project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 593831de5dce5f5b9ce1226e0d8353eecb1176e4 | 1 | int qdev_unplug(DeviceState *dev)
{
if (!dev->parent_bus->allow_hotplug) {
qemu_error("Bus %s does not support hotplugging\n",
dev->parent_bus->name);
return -1;
}
return dev->info->unplug(dev);
} | 26,503 |
FFmpeg | 8e28e0721c61cface6496fe4657ff5d3c3d2e6b8 | 0 | static int aa_read_header(AVFormatContext *s)
{
int i, j, idx, largest_idx = -1;
uint32_t nkey, nval, toc_size, npairs, header_seed, start;
char key[128], val[128], codec_name[64] = {0};
uint8_t output[24], dst[8], src[8];
int64_t largest_size = -1, current_size = -1;
struct toc_entry {
uint32_t offset;
uint32_t size;
} TOC[MAX_TOC_ENTRIES];
uint32_t header_key_part[4];
uint8_t header_key[16];
AADemuxContext *c = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *st;
/* parse .aa header */
avio_skip(pb, 4); // file size
avio_skip(pb, 4); // magic string
toc_size = avio_rb32(pb); // TOC size
avio_skip(pb, 4); // unidentified integer
if (toc_size > MAX_TOC_ENTRIES)
return AVERROR_INVALIDDATA;
for (i = 0; i < toc_size; i++) { // read TOC
avio_skip(pb, 4); // TOC entry index
TOC[i].offset = avio_rb32(pb); // block offset
TOC[i].size = avio_rb32(pb); // block size
}
avio_skip(pb, 24); // header termination block (ignored)
npairs = avio_rb32(pb); // read dictionary entries
if (npairs > MAX_DICTIONARY_ENTRIES)
return AVERROR_INVALIDDATA;
for (i = 0; i < npairs; i++) {
memset(val, 0, sizeof(val));
memset(key, 0, sizeof(key));
avio_skip(pb, 1); // unidentified integer
nkey = avio_rb32(pb); // key string length
nval = avio_rb32(pb); // value string length
if (nkey > sizeof(key)) {
avio_skip(pb, nkey);
} else {
avio_read(pb, key, nkey); // key string
}
if (nval > sizeof(val)) {
avio_skip(pb, nval);
} else {
avio_read(pb, val, nval); // value string
}
if (!strcmp(key, "codec")) {
av_log(s, AV_LOG_DEBUG, "Codec is <%s>\n", val);
strncpy(codec_name, val, sizeof(codec_name) - 1);
}
if (!strcmp(key, "HeaderSeed")) {
av_log(s, AV_LOG_DEBUG, "HeaderSeed is <%s>\n", val);
header_seed = atoi(val);
}
if (!strcmp(key, "HeaderKey")) { // this looks like "1234567890 1234567890 1234567890 1234567890"
av_log(s, AV_LOG_DEBUG, "HeaderKey is <%s>\n", val);
sscanf(val, "%u%u%u%u", &header_key_part[0], &header_key_part[1], &header_key_part[2], &header_key_part[3]);
for (idx = 0; idx < 4; idx++) {
AV_WB32(&header_key[idx * 4], header_key_part[idx]); // convert each part to BE!
}
av_log(s, AV_LOG_DEBUG, "Processed HeaderKey is ");
for (i = 0; i < 16; i++)
av_log(s, AV_LOG_DEBUG, "%02x", header_key[i]);
av_log(s, AV_LOG_DEBUG, "\n");
}
}
/* verify fixed key */
if (c->aa_fixed_key_len != 16) {
av_log(s, AV_LOG_ERROR, "aa_fixed_key value needs to be 16 bytes!\n");
return AVERROR(EINVAL);
}
/* verify codec */
if ((c->codec_second_size = get_second_size(codec_name)) == -1) {
av_log(s, AV_LOG_ERROR, "unknown codec <%s>!\n", codec_name);
return AVERROR(EINVAL);
}
/* decryption key derivation */
c->tea_ctx = av_tea_alloc();
if (!c->tea_ctx)
return AVERROR(ENOMEM);
av_tea_init(c->tea_ctx, c->aa_fixed_key, 16);
output[0] = output[1] = 0; // purely for padding purposes
memcpy(output + 2, header_key, 16);
idx = 0;
for (i = 0; i < 3; i++) { // TEA CBC with weird mixed endianness
AV_WB32(src, header_seed);
AV_WB32(src + 4, header_seed + 1);
header_seed += 2;
av_tea_crypt(c->tea_ctx, dst, src, 1, NULL, 0); // TEA ECB encrypt
for (j = 0; j < TEA_BLOCK_SIZE && idx < 18; j+=1, idx+=1) {
output[idx] = output[idx] ^ dst[j];
}
}
memcpy(c->file_key, output + 2, 16); // skip first 2 bytes of output
av_log(s, AV_LOG_DEBUG, "File key is ");
for (i = 0; i < 16; i++)
av_log(s, AV_LOG_DEBUG, "%02x", c->file_key[i]);
av_log(s, AV_LOG_DEBUG, "\n");
/* decoder setup */
st = avformat_new_stream(s, NULL);
if (!st) {
av_freep(&c->tea_ctx);
return AVERROR(ENOMEM);
}
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
if (!strcmp(codec_name, "mp332")) {
st->codec->codec_id = AV_CODEC_ID_MP3;
st->codec->sample_rate = 22050;
st->need_parsing = AVSTREAM_PARSE_FULL_RAW;
st->start_time = 0;
} else if (!strcmp(codec_name, "acelp85")) {
st->codec->codec_id = AV_CODEC_ID_SIPR;
st->codec->block_align = 19;
st->codec->channels = 1;
st->codec->sample_rate = 8500;
} else if (!strcmp(codec_name, "acelp16")) {
st->codec->codec_id = AV_CODEC_ID_SIPR;
st->codec->block_align = 20;
st->codec->channels = 1;
st->codec->sample_rate = 16000;
}
/* determine, and jump to audio start offset */
for (i = 1; i < toc_size; i++) { // skip the first entry!
current_size = TOC[i].size;
if (current_size > largest_size) {
largest_idx = i;
largest_size = current_size;
}
}
start = TOC[largest_idx].offset;
avio_seek(pb, start, SEEK_SET);
c->current_chapter_size = 0;
return 0;
}
| 26,504 |
FFmpeg | 98422c44cf86de6da8f73a7bd80284ed165c5a98 | 1 | vorbis_comment(AVFormatContext * as, uint8_t *buf, int size)
{
const uint8_t *p = buf;
const uint8_t *end = buf + size;
unsigned s, n, j;
if (size < 8) /* must have vendor_length and user_comment_list_length */
return -1;
s = bytestream_get_le32(&p);
if (end - p < s)
return -1;
p += s;
n = bytestream_get_le32(&p);
while (p < end && n > 0) {
const char *t, *v;
int tl, vl;
s = bytestream_get_le32(&p);
if (end - p < s)
break;
t = p;
p += s;
n--;
v = memchr(t, '=', s);
if (!v)
continue;
tl = v - t;
vl = s - tl - 1;
v++;
if (tl && vl) {
char *tt, *ct;
tt = av_malloc(tl + 1);
ct = av_malloc(vl + 1);
if (!tt || !ct) {
av_freep(&tt);
av_freep(&ct);
av_log(as, AV_LOG_WARNING, "out-of-memory error. skipping VorbisComment tag.\n");
continue;
}
for (j = 0; j < tl; j++)
tt[j] = toupper(t[j]);
tt[tl] = 0;
memcpy(ct, v, vl);
ct[vl] = 0;
av_metadata_set(&as->metadata, tt, ct);
av_freep(&tt);
av_freep(&ct);
}
}
if (p != end)
av_log(as, AV_LOG_INFO, "%ti bytes of comment header remain\n", end-p);
if (n > 0)
av_log(as, AV_LOG_INFO,
"truncated comment header, %i comments not found\n", n);
return 0;
}
| 26,505 |
FFmpeg | 01ecb7172b684f1c4b3e748f95c5a9a494ca36ec | 1 | static float get_band_cost_ESC_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
const float CLIPPED_ESCAPE = 165140.0f * IQ;
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t*)ff_aac_spectral_bits[cb-1];
float *p_codes = (float* )ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec, *vec2;
int curidx, curidx2;
float t1, t2, t3, t4;
float di1, di2, di3, di4;
int cond0, cond1, cond2, cond3;
int c1, c2, c3, c4;
int t6, t7;
qc1 = scaled[i ] * Q34 + ROUND_STANDARD;
qc2 = scaled[i+1] * Q34 + ROUND_STANDARD;
qc3 = scaled[i+2] * Q34 + ROUND_STANDARD;
qc4 = scaled[i+3] * Q34 + ROUND_STANDARD;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori %[t6], $zero, 15 \n\t"
"ori %[t7], $zero, 16 \n\t"
"shll_s.w %[c1], %[qc1], 18 \n\t"
"shll_s.w %[c2], %[qc2], 18 \n\t"
"shll_s.w %[c3], %[qc3], 18 \n\t"
"shll_s.w %[c4], %[qc4], 18 \n\t"
"srl %[c1], %[c1], 18 \n\t"
"srl %[c2], %[c2], 18 \n\t"
"srl %[c3], %[c3], 18 \n\t"
"srl %[c4], %[c4], 18 \n\t"
"slt %[cond0], %[t6], %[qc1] \n\t"
"slt %[cond1], %[t6], %[qc2] \n\t"
"slt %[cond2], %[t6], %[qc3] \n\t"
"slt %[cond3], %[t6], %[qc4] \n\t"
"movn %[qc1], %[t7], %[cond0] \n\t"
"movn %[qc2], %[t7], %[cond1] \n\t"
"movn %[qc3], %[t7], %[cond2] \n\t"
"movn %[qc4], %[t7], %[cond3] \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[cond0]"=&r"(cond0), [cond1]"=&r"(cond1),
[cond2]"=&r"(cond2), [cond3]"=&r"(cond3),
[c1]"=&r"(c1), [c2]"=&r"(c2),
[c3]"=&r"(c3), [c4]"=&r"(c4),
[t6]"=&r"(t6), [t7]"=&r"(t7)
);
curidx = 17 * qc1;
curidx += qc2;
curidx2 = 17 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx];
curbits += esc_sign_bits[curidx];
vec = &p_codes[curidx*2];
curbits += p_bits[curidx2];
curbits += esc_sign_bits[curidx2];
vec2 = &p_codes[curidx2*2];
curbits += (av_log2(c1) * 2 - 3) & (-cond0);
curbits += (av_log2(c2) * 2 - 3) & (-cond1);
curbits += (av_log2(c3) * 2 - 3) & (-cond2);
curbits += (av_log2(c4) * 2 - 3) & (-cond3);
t1 = fabsf(in[i ]);
t2 = fabsf(in[i+1]);
t3 = fabsf(in[i+2]);
t4 = fabsf(in[i+3]);
if (cond0) {
if (t1 >= CLIPPED_ESCAPE) {
di1 = t1 - CLIPPED_ESCAPE;
} else {
di1 = t1 - c1 * cbrtf(c1) * IQ;
}
} else
di1 = t1 - vec[0] * IQ;
if (cond1) {
if (t2 >= CLIPPED_ESCAPE) {
di2 = t2 - CLIPPED_ESCAPE;
} else {
di2 = t2 - c2 * cbrtf(c2) * IQ;
}
} else
di2 = t2 - vec[1] * IQ;
if (cond2) {
if (t3 >= CLIPPED_ESCAPE) {
di3 = t3 - CLIPPED_ESCAPE;
} else {
di3 = t3 - c3 * cbrtf(c3) * IQ;
}
} else
di3 = t3 - vec2[0] * IQ;
if (cond3) {
if (t4 >= CLIPPED_ESCAPE) {
di4 = t4 - CLIPPED_ESCAPE;
} else {
di4 = t4 - c4 * cbrtf(c4) * IQ;
}
} else
di4 = t4 - vec2[1]*IQ;
cost += di1 * di1 + di2 * di2
+ di3 * di3 + di4 * di4;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
| 26,506 |
FFmpeg | 5a571d324129ce367584ad9d92aae1d286f389a2 | 1 | static PayloadContext *h264_new_context(void)
{
PayloadContext *data =
av_mallocz(sizeof(PayloadContext) +
FF_INPUT_BUFFER_PADDING_SIZE);
if (data) {
data->cookie = MAGIC_COOKIE;
}
return data;
}
| 26,507 |
qemu | 3a03bfa5a219fe06779706315f2555622b51193c | 1 | int qemu_pipe(int pipefd[2])
{
int ret;
#ifdef CONFIG_PIPE2
ret = pipe2(pipefd, O_CLOEXEC);
#else
ret = pipe(pipefd);
if (ret == 0) {
qemu_set_cloexec(pipefd[0]);
qemu_set_cloexec(pipefd[1]);
}
#endif
return ret;
}
| 26,508 |
FFmpeg | 8fa0ae060b759d00c8d8f4070b36c16b3dbf0d8a | 1 | static inline int parse_nal_units(AVCodecParserContext *s,
AVCodecContext *avctx,
const uint8_t *buf, int buf_size)
{
H264Context *h = s->priv_data;
const uint8_t *buf_end = buf + buf_size;
unsigned int pps_id;
unsigned int slice_type;
int state;
const uint8_t *ptr;
/* set some sane default values */
s->pict_type = FF_I_TYPE;
s->key_frame = 0;
h->s.avctx= avctx;
h->sei_recovery_frame_cnt = -1;
h->sei_dpb_output_delay = 0;
h->sei_cpb_removal_delay = -1;
h->sei_buffering_period_present = 0;
for(;;) {
int src_length, dst_length, consumed;
buf = ff_find_start_code(buf, buf_end, &state);
if(buf >= buf_end)
break;
--buf;
src_length = buf_end - buf;
switch (state & 0x1f) {
case NAL_SLICE:
case NAL_IDR_SLICE:
// Do not walk the whole buffer just to decode slice header
if (src_length > 20)
src_length = 20;
break;
}
ptr= ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length);
if (ptr==NULL || dst_length < 0)
break;
init_get_bits(&h->s.gb, ptr, 8*dst_length);
switch(h->nal_unit_type) {
case NAL_SPS:
ff_h264_decode_seq_parameter_set(h);
break;
case NAL_PPS:
ff_h264_decode_picture_parameter_set(h, h->s.gb.size_in_bits);
break;
case NAL_SEI:
ff_h264_decode_sei(h);
break;
case NAL_IDR_SLICE:
s->key_frame = 1;
/* fall through */
case NAL_SLICE:
get_ue_golomb(&h->s.gb); // skip first_mb_in_slice
slice_type = get_ue_golomb_31(&h->s.gb);
s->pict_type = golomb_to_pict_type[slice_type % 5];
if (h->sei_recovery_frame_cnt >= 0) {
/* key frame, since recovery_frame_cnt is set */
s->key_frame = 1;
}
pps_id= get_ue_golomb(&h->s.gb);
if(pps_id>=MAX_PPS_COUNT) {
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
return -1;
}
if(!h->pps_buffers[pps_id]) {
av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS referenced\n");
return -1;
}
h->pps= *h->pps_buffers[pps_id];
if(!h->sps_buffers[h->pps.sps_id]) {
av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS referenced\n");
return -1;
}
h->sps = *h->sps_buffers[h->pps.sps_id];
h->frame_num = get_bits(&h->s.gb, h->sps.log2_max_frame_num);
if(h->sps.frame_mbs_only_flag){
h->s.picture_structure= PICT_FRAME;
}else{
if(get_bits1(&h->s.gb)) { //field_pic_flag
h->s.picture_structure= PICT_TOP_FIELD + get_bits1(&h->s.gb); //bottom_field_flag
} else {
h->s.picture_structure= PICT_FRAME;
}
}
if(h->sps.pic_struct_present_flag) {
switch (h->sei_pic_struct) {
case SEI_PIC_STRUCT_TOP_FIELD:
case SEI_PIC_STRUCT_BOTTOM_FIELD:
s->repeat_pict = 0;
break;
case SEI_PIC_STRUCT_FRAME:
case SEI_PIC_STRUCT_TOP_BOTTOM:
case SEI_PIC_STRUCT_BOTTOM_TOP:
s->repeat_pict = 1;
break;
case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
s->repeat_pict = 2;
break;
case SEI_PIC_STRUCT_FRAME_DOUBLING:
s->repeat_pict = 3;
break;
case SEI_PIC_STRUCT_FRAME_TRIPLING:
s->repeat_pict = 5;
break;
default:
s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 1 : 0;
break;
}
} else {
s->repeat_pict = h->s.picture_structure == PICT_FRAME ? 1 : 0;
}
return 0; /* no need to evaluate the rest */
}
buf += consumed;
}
/* didn't find a picture! */
av_log(h->s.avctx, AV_LOG_ERROR, "missing picture in access unit\n");
return -1;
}
| 26,510 |
qemu | bbc5842211cdd90103cfe52f2ca24afac880694f | 1 | static inline void write_IRQreg (openpic_t *opp, int n_IRQ,
uint32_t reg, uint32_t val)
{
uint32_t tmp;
switch (reg) {
case IRQ_IPVP:
/* NOTE: not fully accurate for special IRQs, but simple and
sufficient */
/* ACTIVITY bit is read-only */
opp->src[n_IRQ].ipvp =
(opp->src[n_IRQ].ipvp & 0x40000000) |
(val & 0x800F00FF);
openpic_update_irq(opp, n_IRQ);
DPRINTF("Set IPVP %d to 0x%08x -> 0x%08x\n",
n_IRQ, val, opp->src[n_IRQ].ipvp);
break;
case IRQ_IDE:
tmp = val & 0xC0000000;
tmp |= val & ((1 << MAX_CPU) - 1);
opp->src[n_IRQ].ide = tmp;
DPRINTF("Set IDE %d to 0x%08x\n", n_IRQ, opp->src[n_IRQ].ide);
break;
}
}
| 26,511 |
FFmpeg | 1d16a1cf99488f16492b1bb48e023f4da8377e07 | 0 | static void ff_h264_idct_add16_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=2)
if(nnzc[ scan8[i+0] ]|nnzc[ scan8[i+1] ])
ff_x264_add8x4_idct_sse2 (dst + block_offset[i], block + i*16, stride);
}
| 26,513 |
qemu | f45cb2f43f5bb0a4122a64e61c746048b59a84ed | 1 | static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
target_ulong v)
{
uint32_t status;
uint32_t tcu, tmx, tasid, tksu;
uint32_t mask = ((1 << CP0St_CU3)
| (1 << CP0St_CU2)
| (1 << CP0St_CU1)
| (1 << CP0St_CU0)
| (1 << CP0St_MX)
| (3 << CP0St_KSU));
tcu = (v >> CP0TCSt_TCU0) & 0xf;
tmx = (v >> CP0TCSt_TMX) & 0x1;
tasid = v & 0xff;
tksu = (v >> CP0TCSt_TKSU) & 0x3;
status = tcu << CP0St_CU0;
status |= tmx << CP0St_MX;
status |= tksu << CP0St_KSU;
cpu->CP0_Status &= ~mask;
cpu->CP0_Status |= status;
/* Sync the TASID with EntryHi. */
cpu->CP0_EntryHi &= ~0xff;
cpu->CP0_EntryHi = tasid;
compute_hflags(cpu);
}
| 26,514 |
FFmpeg | 76ba09d18245a2a41dc5f93a60fd00cdf358cb1f | 1 | static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *gb)
{
MpegEncContext *s = &ctx->m;
int a = 2 << s->sprite_warping_accuracy;
int rho = 3 - s->sprite_warping_accuracy;
int r = 16 / a;
int alpha = 0;
int beta = 0;
int w = s->width;
int h = s->height;
int min_ab, i, w2, h2, w3, h3;
int sprite_ref[4][2];
int virtual_ref[2][2];
// only true for rectangle shapes
const int vop_ref[4][2] = { { 0, 0 }, { s->width, 0 },
{ 0, s->height }, { s->width, s->height } };
int d[4][2] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
if (w <= 0 || h <= 0)
return AVERROR_INVALIDDATA;
for (i = 0; i < ctx->num_sprite_warping_points; i++) {
int length;
int x = 0, y = 0;
length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 3);
if (length > 0)
x = get_xbits(gb, length);
if (!(ctx->divx_version == 500 && ctx->divx_build == 413))
check_marker(s->avctx, gb, "before sprite_trajectory");
length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 3);
if (length > 0)
y = get_xbits(gb, length);
check_marker(s->avctx, gb, "after sprite_trajectory");
ctx->sprite_traj[i][0] = d[i][0] = x;
ctx->sprite_traj[i][1] = d[i][1] = y;
for (; i < 4; i++)
ctx->sprite_traj[i][0] = ctx->sprite_traj[i][1] = 0;
while ((1 << alpha) < w)
alpha++;
while ((1 << beta) < h)
beta++; /* typo in the MPEG-4 std for the definition of w' and h' */
w2 = 1 << alpha;
h2 = 1 << beta;
// Note, the 4th point isn't used for GMC
if (ctx->divx_version == 500 && ctx->divx_build == 413) {
sprite_ref[0][0] = a * vop_ref[0][0] + d[0][0];
sprite_ref[0][1] = a * vop_ref[0][1] + d[0][1];
sprite_ref[1][0] = a * vop_ref[1][0] + d[0][0] + d[1][0];
sprite_ref[1][1] = a * vop_ref[1][1] + d[0][1] + d[1][1];
sprite_ref[2][0] = a * vop_ref[2][0] + d[0][0] + d[2][0];
sprite_ref[2][1] = a * vop_ref[2][1] + d[0][1] + d[2][1];
} else {
sprite_ref[0][0] = (a >> 1) * (2 * vop_ref[0][0] + d[0][0]);
sprite_ref[0][1] = (a >> 1) * (2 * vop_ref[0][1] + d[0][1]);
sprite_ref[1][0] = (a >> 1) * (2 * vop_ref[1][0] + d[0][0] + d[1][0]);
sprite_ref[1][1] = (a >> 1) * (2 * vop_ref[1][1] + d[0][1] + d[1][1]);
sprite_ref[2][0] = (a >> 1) * (2 * vop_ref[2][0] + d[0][0] + d[2][0]);
sprite_ref[2][1] = (a >> 1) * (2 * vop_ref[2][1] + d[0][1] + d[2][1]);
/* sprite_ref[3][0] = (a >> 1) * (2 * vop_ref[3][0] + d[0][0] + d[1][0] + d[2][0] + d[3][0]);
* sprite_ref[3][1] = (a >> 1) * (2 * vop_ref[3][1] + d[0][1] + d[1][1] + d[2][1] + d[3][1]); */
/* This is mostly identical to the MPEG-4 std (and is totally unreadable
* because of that...). Perhaps it should be reordered to be more readable.
* The idea behind this virtual_ref mess is to be able to use shifts later
* per pixel instead of divides so the distance between points is converted
* from w&h based to w2&h2 based which are of the 2^x form. */
virtual_ref[0][0] = 16 * (vop_ref[0][0] + w2) +
ROUNDED_DIV(((w - w2) *
(r * sprite_ref[0][0] - 16 * vop_ref[0][0]) +
w2 * (r * sprite_ref[1][0] - 16 * vop_ref[1][0])), w);
virtual_ref[0][1] = 16 * vop_ref[0][1] +
ROUNDED_DIV(((w - w2) *
(r * sprite_ref[0][1] - 16 * vop_ref[0][1]) +
w2 * (r * sprite_ref[1][1] - 16 * vop_ref[1][1])), w);
virtual_ref[1][0] = 16 * vop_ref[0][0] +
ROUNDED_DIV(((h - h2) * (r * sprite_ref[0][0] - 16 * vop_ref[0][0]) +
h2 * (r * sprite_ref[2][0] - 16 * vop_ref[2][0])), h);
virtual_ref[1][1] = 16 * (vop_ref[0][1] + h2) +
ROUNDED_DIV(((h - h2) * (r * sprite_ref[0][1] - 16 * vop_ref[0][1]) +
h2 * (r * sprite_ref[2][1] - 16 * vop_ref[2][1])), h);
switch (ctx->num_sprite_warping_points) {
case 0:
s->sprite_offset[0][0] =
s->sprite_offset[0][1] =
s->sprite_offset[1][0] =
s->sprite_offset[1][1] = 0;
s->sprite_delta[0][0] = a;
s->sprite_delta[0][1] =
s->sprite_delta[1][0] = 0;
s->sprite_delta[1][1] = a;
ctx->sprite_shift[0] =
ctx->sprite_shift[1] = 0;
break;
case 1: // GMC only
s->sprite_offset[0][0] = sprite_ref[0][0] - a * vop_ref[0][0];
s->sprite_offset[0][1] = sprite_ref[0][1] - a * vop_ref[0][1];
s->sprite_offset[1][0] = ((sprite_ref[0][0] >> 1) | (sprite_ref[0][0] & 1)) -
a * (vop_ref[0][0] / 2);
s->sprite_offset[1][1] = ((sprite_ref[0][1] >> 1) | (sprite_ref[0][1] & 1)) -
a * (vop_ref[0][1] / 2);
s->sprite_delta[0][0] = a;
s->sprite_delta[0][1] =
s->sprite_delta[1][0] = 0;
s->sprite_delta[1][1] = a;
ctx->sprite_shift[0] =
ctx->sprite_shift[1] = 0;
break;
case 2:
s->sprite_offset[0][0] = (sprite_ref[0][0] << (alpha + rho)) +
(-r * sprite_ref[0][0] + virtual_ref[0][0]) *
(-vop_ref[0][0]) +
(r * sprite_ref[0][1] - virtual_ref[0][1]) *
(-vop_ref[0][1]) + (1 << (alpha + rho - 1));
s->sprite_offset[0][1] = (sprite_ref[0][1] << (alpha + rho)) +
(-r * sprite_ref[0][1] + virtual_ref[0][1]) *
(-vop_ref[0][0]) +
(-r * sprite_ref[0][0] + virtual_ref[0][0]) *
(-vop_ref[0][1]) + (1 << (alpha + rho - 1));
s->sprite_offset[1][0] = ((-r * sprite_ref[0][0] + virtual_ref[0][0]) *
(-2 * vop_ref[0][0] + 1) +
(r * sprite_ref[0][1] - virtual_ref[0][1]) *
(-2 * vop_ref[0][1] + 1) + 2 * w2 * r *
sprite_ref[0][0] - 16 * w2 + (1 << (alpha + rho + 1)));
s->sprite_offset[1][1] = ((-r * sprite_ref[0][1] + virtual_ref[0][1]) *
(-2 * vop_ref[0][0] + 1) +
(-r * sprite_ref[0][0] + virtual_ref[0][0]) *
(-2 * vop_ref[0][1] + 1) + 2 * w2 * r *
sprite_ref[0][1] - 16 * w2 + (1 << (alpha + rho + 1)));
s->sprite_delta[0][0] = (-r * sprite_ref[0][0] + virtual_ref[0][0]);
s->sprite_delta[0][1] = (+r * sprite_ref[0][1] - virtual_ref[0][1]);
s->sprite_delta[1][0] = (-r * sprite_ref[0][1] + virtual_ref[0][1]);
s->sprite_delta[1][1] = (-r * sprite_ref[0][0] + virtual_ref[0][0]);
ctx->sprite_shift[0] = alpha + rho;
ctx->sprite_shift[1] = alpha + rho + 2;
break;
case 3:
min_ab = FFMIN(alpha, beta);
w3 = w2 >> min_ab;
h3 = h2 >> min_ab;
s->sprite_offset[0][0] = (sprite_ref[0][0] * (1<<(alpha + beta + rho - min_ab))) +
(-r * sprite_ref[0][0] + virtual_ref[0][0]) *
h3 * (-vop_ref[0][0]) +
(-r * sprite_ref[0][0] + virtual_ref[1][0]) *
w3 * (-vop_ref[0][1]) +
(1 << (alpha + beta + rho - min_ab - 1));
s->sprite_offset[0][1] = (sprite_ref[0][1] * (1 << (alpha + beta + rho - min_ab))) +
(-r * sprite_ref[0][1] + virtual_ref[0][1]) *
h3 * (-vop_ref[0][0]) +
(-r * sprite_ref[0][1] + virtual_ref[1][1]) *
w3 * (-vop_ref[0][1]) +
(1 << (alpha + beta + rho - min_ab - 1));
s->sprite_offset[1][0] = (-r * sprite_ref[0][0] + virtual_ref[0][0]) *
h3 * (-2 * vop_ref[0][0] + 1) +
(-r * sprite_ref[0][0] + virtual_ref[1][0]) *
w3 * (-2 * vop_ref[0][1] + 1) + 2 * w2 * h3 *
r * sprite_ref[0][0] - 16 * w2 * h3 +
(1 << (alpha + beta + rho - min_ab + 1));
s->sprite_offset[1][1] = (-r * sprite_ref[0][1] + virtual_ref[0][1]) *
h3 * (-2 * vop_ref[0][0] + 1) +
(-r * sprite_ref[0][1] + virtual_ref[1][1]) *
w3 * (-2 * vop_ref[0][1] + 1) + 2 * w2 * h3 *
r * sprite_ref[0][1] - 16 * w2 * h3 +
(1 << (alpha + beta + rho - min_ab + 1));
s->sprite_delta[0][0] = (-r * sprite_ref[0][0] + virtual_ref[0][0]) * h3;
s->sprite_delta[0][1] = (-r * sprite_ref[0][0] + virtual_ref[1][0]) * w3;
s->sprite_delta[1][0] = (-r * sprite_ref[0][1] + virtual_ref[0][1]) * h3;
s->sprite_delta[1][1] = (-r * sprite_ref[0][1] + virtual_ref[1][1]) * w3;
ctx->sprite_shift[0] = alpha + beta + rho - min_ab;
ctx->sprite_shift[1] = alpha + beta + rho - min_ab + 2;
break;
/* try to simplify the situation */
if (s->sprite_delta[0][0] == a << ctx->sprite_shift[0] &&
s->sprite_delta[0][1] == 0 &&
s->sprite_delta[1][0] == 0 &&
s->sprite_delta[1][1] == a << ctx->sprite_shift[0]) {
s->sprite_offset[0][0] >>= ctx->sprite_shift[0];
s->sprite_offset[0][1] >>= ctx->sprite_shift[0];
s->sprite_offset[1][0] >>= ctx->sprite_shift[1];
s->sprite_offset[1][1] >>= ctx->sprite_shift[1];
s->sprite_delta[0][0] = a;
s->sprite_delta[0][1] = 0;
s->sprite_delta[1][0] = 0;
s->sprite_delta[1][1] = a;
ctx->sprite_shift[0] = 0;
ctx->sprite_shift[1] = 0;
s->real_sprite_warping_points = 1;
} else {
int shift_y = 16 - ctx->sprite_shift[0];
int shift_c = 16 - ctx->sprite_shift[1];
if (shift_c < 0 || shift_y < 0 ||
FFABS(s->sprite_offset[0][0]) >= INT_MAX >> shift_y ||
FFABS(s->sprite_offset[1][0]) >= INT_MAX >> shift_c ||
FFABS(s->sprite_offset[0][1]) >= INT_MAX >> shift_y ||
FFABS(s->sprite_offset[1][1]) >= INT_MAX >> shift_c
) {
avpriv_request_sample(s->avctx, "Too large sprite shift or offset");
for (i = 0; i < 2; i++) {
s->sprite_offset[0][i] *= 1 << shift_y;
s->sprite_offset[1][i] *= 1 << shift_c;
s->sprite_delta[0][i] *= 1 << shift_y;
s->sprite_delta[1][i] *= 1 << shift_y;
ctx->sprite_shift[i] = 16;
s->real_sprite_warping_points = ctx->num_sprite_warping_points;
return 0; | 26,515 |
qemu | 7d1b0095bff7157e856d1d0e6c4295641ced2752 | 1 | static void gen_add16(TCGv t0, TCGv t1)
{
TCGv tmp = new_tmp();
tcg_gen_xor_i32(tmp, t0, t1);
tcg_gen_andi_i32(tmp, tmp, 0x8000);
tcg_gen_andi_i32(t0, t0, ~0x8000);
tcg_gen_andi_i32(t1, t1, ~0x8000);
tcg_gen_add_i32(t0, t0, t1);
tcg_gen_xor_i32(t0, t0, tmp);
dead_tmp(tmp);
dead_tmp(t1);
}
| 26,517 |
qemu | d3392718e1fcf0859fb7c0774a8e946bacb8419c | 1 | static void do_v7m_exception_exit(ARMCPU *cpu)
{
CPUARMState *env = &cpu->env;
CPUState *cs = CPU(cpu);
uint32_t excret;
uint32_t xpsr;
bool ufault = false;
bool sfault = false;
bool return_to_sp_process;
bool return_to_handler;
bool rettobase = false;
bool exc_secure = false;
bool return_to_secure;
/* We can only get here from an EXCP_EXCEPTION_EXIT, and
* gen_bx_excret() enforces the architectural rule
* that jumps to magic addresses don't have magic behaviour unless
* we're in Handler mode (compare pseudocode BXWritePC()).
*/
assert(arm_v7m_is_handler_mode(env));
/* In the spec pseudocode ExceptionReturn() is called directly
* from BXWritePC() and gets the full target PC value including
* bit zero. In QEMU's implementation we treat it as a normal
* jump-to-register (which is then caught later on), and so split
* the target value up between env->regs[15] and env->thumb in
* gen_bx(). Reconstitute it.
*/
excret = env->regs[15];
if (env->thumb) {
excret |= 1;
}
qemu_log_mask(CPU_LOG_INT, "Exception return: magic PC %" PRIx32
" previous exception %d\n",
excret, env->v7m.exception);
if ((excret & R_V7M_EXCRET_RES1_MASK) != R_V7M_EXCRET_RES1_MASK) {
qemu_log_mask(LOG_GUEST_ERROR, "M profile: zero high bits in exception "
"exit PC value 0x%" PRIx32 " are UNPREDICTABLE\n",
excret);
}
if (arm_feature(env, ARM_FEATURE_M_SECURITY)) {
/* EXC_RETURN.ES validation check (R_SMFL). We must do this before
* we pick which FAULTMASK to clear.
*/
if (!env->v7m.secure &&
((excret & R_V7M_EXCRET_ES_MASK) ||
!(excret & R_V7M_EXCRET_DCRS_MASK))) {
sfault = 1;
/* For all other purposes, treat ES as 0 (R_HXSR) */
excret &= ~R_V7M_EXCRET_ES_MASK;
}
}
if (env->v7m.exception != ARMV7M_EXCP_NMI) {
/* Auto-clear FAULTMASK on return from other than NMI.
* If the security extension is implemented then this only
* happens if the raw execution priority is >= 0; the
* value of the ES bit in the exception return value indicates
* which security state's faultmask to clear. (v8M ARM ARM R_KBNF.)
*/
if (arm_feature(env, ARM_FEATURE_M_SECURITY)) {
exc_secure = excret & R_V7M_EXCRET_ES_MASK;
if (armv7m_nvic_raw_execution_priority(env->nvic) >= 0) {
env->v7m.faultmask[exc_secure] = 0;
}
} else {
env->v7m.faultmask[M_REG_NS] = 0;
}
}
switch (armv7m_nvic_complete_irq(env->nvic, env->v7m.exception,
exc_secure)) {
case -1:
/* attempt to exit an exception that isn't active */
ufault = true;
break;
case 0:
/* still an irq active now */
break;
case 1:
/* we returned to base exception level, no nesting.
* (In the pseudocode this is written using "NestedActivation != 1"
* where we have 'rettobase == false'.)
*/
rettobase = true;
break;
default:
g_assert_not_reached();
}
return_to_handler = !(excret & R_V7M_EXCRET_MODE_MASK);
return_to_sp_process = excret & R_V7M_EXCRET_SPSEL_MASK;
return_to_secure = arm_feature(env, ARM_FEATURE_M_SECURITY) &&
(excret & R_V7M_EXCRET_S_MASK);
if (arm_feature(env, ARM_FEATURE_V8)) {
if (!arm_feature(env, ARM_FEATURE_M_SECURITY)) {
/* UNPREDICTABLE if S == 1 or DCRS == 0 or ES == 1 (R_XLCP);
* we choose to take the UsageFault.
*/
if ((excret & R_V7M_EXCRET_S_MASK) ||
(excret & R_V7M_EXCRET_ES_MASK) ||
!(excret & R_V7M_EXCRET_DCRS_MASK)) {
ufault = true;
}
}
if (excret & R_V7M_EXCRET_RES0_MASK) {
ufault = true;
}
} else {
/* For v7M we only recognize certain combinations of the low bits */
switch (excret & 0xf) {
case 1: /* Return to Handler */
break;
case 13: /* Return to Thread using Process stack */
case 9: /* Return to Thread using Main stack */
/* We only need to check NONBASETHRDENA for v7M, because in
* v8M this bit does not exist (it is RES1).
*/
if (!rettobase &&
!(env->v7m.ccr[env->v7m.secure] &
R_V7M_CCR_NONBASETHRDENA_MASK)) {
ufault = true;
}
break;
default:
ufault = true;
}
}
if (sfault) {
env->v7m.sfsr |= R_V7M_SFSR_INVER_MASK;
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_SECURE, false);
v7m_exception_taken(cpu, excret);
qemu_log_mask(CPU_LOG_INT, "...taking SecureFault on existing "
"stackframe: failed EXC_RETURN.ES validity check\n");
return;
}
if (ufault) {
/* Bad exception return: instead of popping the exception
* stack, directly take a usage fault on the current stack.
*/
env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_INVPC_MASK;
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE, env->v7m.secure);
v7m_exception_taken(cpu, excret);
qemu_log_mask(CPU_LOG_INT, "...taking UsageFault on existing "
"stackframe: failed exception return integrity check\n");
return;
}
/* Set CONTROL.SPSEL from excret.SPSEL. Since we're still in
* Handler mode (and will be until we write the new XPSR.Interrupt
* field) this does not switch around the current stack pointer.
*/
write_v7m_control_spsel_for_secstate(env, return_to_sp_process, exc_secure);
switch_v7m_security_state(env, return_to_secure);
{
/* The stack pointer we should be reading the exception frame from
* depends on bits in the magic exception return type value (and
* for v8M isn't necessarily the stack pointer we will eventually
* end up resuming execution with). Get a pointer to the location
* in the CPU state struct where the SP we need is currently being
* stored; we will use and modify it in place.
* We use this limited C variable scope so we don't accidentally
* use 'frame_sp_p' after we do something that makes it invalid.
*/
uint32_t *frame_sp_p = get_v7m_sp_ptr(env,
return_to_secure,
!return_to_handler,
return_to_sp_process);
uint32_t frameptr = *frame_sp_p;
if (!QEMU_IS_ALIGNED(frameptr, 8) &&
arm_feature(env, ARM_FEATURE_V8)) {
qemu_log_mask(LOG_GUEST_ERROR,
"M profile exception return with non-8-aligned SP "
"for destination state is UNPREDICTABLE\n");
}
/* Do we need to pop callee-saved registers? */
if (return_to_secure &&
((excret & R_V7M_EXCRET_ES_MASK) == 0 ||
(excret & R_V7M_EXCRET_DCRS_MASK) == 0)) {
uint32_t expected_sig = 0xfefa125b;
uint32_t actual_sig = ldl_phys(cs->as, frameptr);
if (expected_sig != actual_sig) {
/* Take a SecureFault on the current stack */
env->v7m.sfsr |= R_V7M_SFSR_INVIS_MASK;
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_SECURE, false);
v7m_exception_taken(cpu, excret);
qemu_log_mask(CPU_LOG_INT, "...taking SecureFault on existing "
"stackframe: failed exception return integrity "
"signature check\n");
return;
}
env->regs[4] = ldl_phys(cs->as, frameptr + 0x8);
env->regs[5] = ldl_phys(cs->as, frameptr + 0xc);
env->regs[6] = ldl_phys(cs->as, frameptr + 0x10);
env->regs[7] = ldl_phys(cs->as, frameptr + 0x14);
env->regs[8] = ldl_phys(cs->as, frameptr + 0x18);
env->regs[9] = ldl_phys(cs->as, frameptr + 0x1c);
env->regs[10] = ldl_phys(cs->as, frameptr + 0x20);
env->regs[11] = ldl_phys(cs->as, frameptr + 0x24);
frameptr += 0x28;
}
/* Pop registers. TODO: make these accesses use the correct
* attributes and address space (S/NS, priv/unpriv) and handle
* memory transaction failures.
*/
env->regs[0] = ldl_phys(cs->as, frameptr);
env->regs[1] = ldl_phys(cs->as, frameptr + 0x4);
env->regs[2] = ldl_phys(cs->as, frameptr + 0x8);
env->regs[3] = ldl_phys(cs->as, frameptr + 0xc);
env->regs[12] = ldl_phys(cs->as, frameptr + 0x10);
env->regs[14] = ldl_phys(cs->as, frameptr + 0x14);
env->regs[15] = ldl_phys(cs->as, frameptr + 0x18);
/* Returning from an exception with a PC with bit 0 set is defined
* behaviour on v8M (bit 0 is ignored), but for v7M it was specified
* to be UNPREDICTABLE. In practice actual v7M hardware seems to ignore
* the lsbit, and there are several RTOSes out there which incorrectly
* assume the r15 in the stack frame should be a Thumb-style "lsbit
* indicates ARM/Thumb" value, so ignore the bit on v7M as well, but
* complain about the badly behaved guest.
*/
if (env->regs[15] & 1) {
env->regs[15] &= ~1U;
if (!arm_feature(env, ARM_FEATURE_V8)) {
qemu_log_mask(LOG_GUEST_ERROR,
"M profile return from interrupt with misaligned "
"PC is UNPREDICTABLE on v7M\n");
}
}
xpsr = ldl_phys(cs->as, frameptr + 0x1c);
if (arm_feature(env, ARM_FEATURE_V8)) {
/* For v8M we have to check whether the xPSR exception field
* matches the EXCRET value for return to handler/thread
* before we commit to changing the SP and xPSR.
*/
bool will_be_handler = (xpsr & XPSR_EXCP) != 0;
if (return_to_handler != will_be_handler) {
/* Take an INVPC UsageFault on the current stack.
* By this point we will have switched to the security state
* for the background state, so this UsageFault will target
* that state.
*/
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE,
env->v7m.secure);
env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_INVPC_MASK;
v7m_exception_taken(cpu, excret);
qemu_log_mask(CPU_LOG_INT, "...taking UsageFault on existing "
"stackframe: failed exception return integrity "
"check\n");
return;
}
}
/* Commit to consuming the stack frame */
frameptr += 0x20;
/* Undo stack alignment (the SPREALIGN bit indicates that the original
* pre-exception SP was not 8-aligned and we added a padding word to
* align it, so we undo this by ORing in the bit that increases it
* from the current 8-aligned value to the 8-unaligned value. (Adding 4
* would work too but a logical OR is how the pseudocode specifies it.)
*/
if (xpsr & XPSR_SPREALIGN) {
frameptr |= 4;
}
*frame_sp_p = frameptr;
}
/* This xpsr_write() will invalidate frame_sp_p as it may switch stack */
xpsr_write(env, xpsr, ~XPSR_SPREALIGN);
/* The restored xPSR exception field will be zero if we're
* resuming in Thread mode. If that doesn't match what the
* exception return excret specified then this is a UsageFault.
* v7M requires we make this check here; v8M did it earlier.
*/
if (return_to_handler != arm_v7m_is_handler_mode(env)) {
/* Take an INVPC UsageFault by pushing the stack again;
* we know we're v7M so this is never a Secure UsageFault.
*/
assert(!arm_feature(env, ARM_FEATURE_V8));
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE, false);
env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_INVPC_MASK;
v7m_push_stack(cpu);
v7m_exception_taken(cpu, excret);
qemu_log_mask(CPU_LOG_INT, "...taking UsageFault on new stackframe: "
"failed exception return integrity check\n");
return;
}
/* Otherwise, we have a successful exception exit. */
arm_clear_exclusive(env);
qemu_log_mask(CPU_LOG_INT, "...successful exception return\n");
}
| 26,518 |
FFmpeg | 41003da94a59cd014d05b3dd1d33a5f9ecf3ccda | 1 | static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame)
{
int (*filter_frame)(AVFilterLink *, AVFrame *);
AVFilterContext *dstctx = link->dst;
AVFilterPad *dst = link->dstpad;
AVFrame *out;
int ret;
AVFilterCommand *cmd= link->dst->command_queue;
int64_t pts;
if (link->closed) {
av_frame_free(&frame);
return AVERROR_EOF;
}
if (!(filter_frame = dst->filter_frame))
filter_frame = default_filter_frame;
/* copy the frame if needed */
if (dst->needs_writable && !av_frame_is_writable(frame)) {
av_log(link->dst, AV_LOG_DEBUG, "Copying data in avfilter.\n");
/* Maybe use ff_copy_buffer_ref instead? */
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
out = ff_get_video_buffer(link, link->w, link->h);
break;
case AVMEDIA_TYPE_AUDIO:
out = ff_get_audio_buffer(link, frame->nb_samples);
break;
default:
ret = AVERROR(EINVAL);
goto fail;
}
if (!out) {
ret = AVERROR(ENOMEM);
goto fail;
}
ret = av_frame_copy_props(out, frame);
if (ret < 0)
goto fail;
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
av_image_copy(out->data, out->linesize, (const uint8_t **)frame->data, frame->linesize,
frame->format, frame->width, frame->height);
break;
case AVMEDIA_TYPE_AUDIO:
av_samples_copy(out->extended_data, frame->extended_data,
0, 0, frame->nb_samples,
av_get_channel_layout_nb_channels(frame->channel_layout),
frame->format);
break;
default:
ret = AVERROR(EINVAL);
goto fail;
}
av_frame_free(&frame);
} else
out = frame;
while(cmd && cmd->time <= out->pts * av_q2d(link->time_base)){
av_log(link->dst, AV_LOG_DEBUG,
"Processing command time:%f command:%s arg:%s\n",
cmd->time, cmd->command, cmd->arg);
avfilter_process_command(link->dst, cmd->command, cmd->arg, 0, 0, cmd->flags);
ff_command_queue_pop(link->dst);
cmd= link->dst->command_queue;
}
pts = out->pts;
if (dstctx->enable_str) {
int64_t pos = av_frame_get_pkt_pos(out);
dstctx->var_values[VAR_N] = link->frame_count;
dstctx->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base);
dstctx->var_values[VAR_POS] = pos == -1 ? NAN : pos;
dstctx->is_disabled = fabs(av_expr_eval(dstctx->enable, dstctx->var_values, NULL)) < 0.5;
if (dstctx->is_disabled &&
(dstctx->filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC))
filter_frame = default_filter_frame;
}
ret = filter_frame(link, out);
link->frame_count++;
link->frame_requested = 0;
ff_update_link_current_pts(link, pts);
return ret;
fail:
av_frame_free(&out);
av_frame_free(&frame);
return ret;
}
| 26,519 |
FFmpeg | 1389b4c18d1042c196603ba66c25113bcee1738b | 0 | static inline void FUNC(idctRowCondDC)(int16_t *row, int extra_shift)
{
int a0, a1, a2, a3, b0, b1, b2, b3;
#if HAVE_FAST_64BIT
#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
uint64_t temp;
if (DC_SHIFT - extra_shift > 0) {
temp = (row[0] << (DC_SHIFT - extra_shift)) & 0xffff;
} else {
temp = (row[0] >> (extra_shift - DC_SHIFT)) & 0xffff;
}
temp += temp << 16;
temp += temp << 32;
((uint64_t *)row)[0] = temp;
((uint64_t *)row)[1] = temp;
return;
}
#else
if (!(((uint32_t*)row)[1] |
((uint32_t*)row)[2] |
((uint32_t*)row)[3] |
row[1])) {
uint32_t temp;
if (DC_SHIFT - extra_shift > 0) {
temp = (row[0] << (DC_SHIFT - extra_shift)) & 0xffff;
} else {
temp = (row[0] >> (extra_shift - DC_SHIFT)) & 0xffff;
}
temp += temp << 16;
((uint32_t*)row)[0]=((uint32_t*)row)[1] =
((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
return;
}
#endif
a0 = (W4 * row[0]) + (1 << (ROW_SHIFT - 1));
a1 = a0;
a2 = a0;
a3 = a0;
a0 += W2 * row[2];
a1 += W6 * row[2];
a2 -= W6 * row[2];
a3 -= W2 * row[2];
b0 = MUL(W1, row[1]);
MAC(b0, W3, row[3]);
b1 = MUL(W3, row[1]);
MAC(b1, -W7, row[3]);
b2 = MUL(W5, row[1]);
MAC(b2, -W1, row[3]);
b3 = MUL(W7, row[1]);
MAC(b3, -W5, row[3]);
if (AV_RN64A(row + 4)) {
a0 += W4*row[4] + W6*row[6];
a1 += - W4*row[4] - W2*row[6];
a2 += - W4*row[4] + W2*row[6];
a3 += W4*row[4] - W6*row[6];
MAC(b0, W5, row[5]);
MAC(b0, W7, row[7]);
MAC(b1, -W1, row[5]);
MAC(b1, -W5, row[7]);
MAC(b2, W7, row[5]);
MAC(b2, W3, row[7]);
MAC(b3, W3, row[5]);
MAC(b3, -W1, row[7]);
}
row[0] = (a0 + b0) >> (ROW_SHIFT + extra_shift);
row[7] = (a0 - b0) >> (ROW_SHIFT + extra_shift);
row[1] = (a1 + b1) >> (ROW_SHIFT + extra_shift);
row[6] = (a1 - b1) >> (ROW_SHIFT + extra_shift);
row[2] = (a2 + b2) >> (ROW_SHIFT + extra_shift);
row[5] = (a2 - b2) >> (ROW_SHIFT + extra_shift);
row[3] = (a3 + b3) >> (ROW_SHIFT + extra_shift);
row[4] = (a3 - b3) >> (ROW_SHIFT + extra_shift);
}
| 26,520 |
FFmpeg | de6a1e32fd483db05d957268d5e45e2b1be9cab4 | 1 | static int io_write_data_type(void *opaque, uint8_t *buf, int size,
enum AVIODataMarkerType type, int64_t time)
{
char timebuf[30], content[5] = { 0 };
const char *str;
switch (type) {
case AVIO_DATA_MARKER_HEADER: str = "header"; break;
case AVIO_DATA_MARKER_SYNC_POINT: str = "sync"; break;
case AVIO_DATA_MARKER_BOUNDARY_POINT: str = "boundary"; break;
case AVIO_DATA_MARKER_UNKNOWN: str = "unknown"; break;
case AVIO_DATA_MARKER_TRAILER: str = "trailer"; break;
}
if (time == AV_NOPTS_VALUE)
snprintf(timebuf, sizeof(timebuf), "nopts");
else
snprintf(timebuf, sizeof(timebuf), "%"PRId64, time);
// There can be multiple header/trailer callbacks, only log the box type
// for header at out_size == 0
if (type != AVIO_DATA_MARKER_UNKNOWN &&
type != AVIO_DATA_MARKER_TRAILER &&
(type != AVIO_DATA_MARKER_HEADER || out_size == 0) &&
size >= 8)
memcpy(content, &buf[4], 4);
else
snprintf(content, sizeof(content), "-");
printf("write_data len %d, time %s, type %s atom %s\n", size, timebuf, str, content);
return io_write(opaque, buf, size);
} | 26,523 |
FFmpeg | c7269e3a2697c189c907832b8a36341cbb40936c | 1 | static void release_buffer(AVCodecContext *avctx, AVFrame *pic)
{
int i;
CVPixelBufferRef cv_buffer = (CVPixelBufferRef)pic->data[3];
CVPixelBufferUnlockBaseAddress(cv_buffer, 0);
CVPixelBufferRelease(cv_buffer);
for (i = 0; i < 4; i++)
pic->data[i] = NULL;
}
| 26,524 |
FFmpeg | 233f6f889ea310c2213f1f678b68e424791bf843 | 0 | AVOption *av_set_string(void *obj, const char *name, const char *val){
AVOption *o= find_opt(obj, name);
if(!o || !val || o->offset<=0)
return NULL;
if(o->type != FF_OPT_TYPE_STRING){
double d=0, tmp_d;
for(;;){
int i;
char buf[256], *tail;
for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+'; i++)
buf[i]= val[i];
buf[i]=0;
val+= i;
tmp_d= av_parse_num(buf, &tail);
if(tail > buf)
d+= tmp_d;
else{
AVOption *o_named= find_opt(obj, buf);
if(o_named && o_named->type == FF_OPT_TYPE_CONST)
d+= o_named->default_val;
else if(!strcmp(buf, "default")) d+= o->default_val;
else if(!strcmp(buf, "max" )) d+= o->max;
else if(!strcmp(buf, "min" )) d+= o->min;
else return NULL;
}
if(*val == '+') val++;
if(!*val)
return av_set_number(obj, name, d, 1, 1);
}
return NULL;
}
memcpy(((uint8_t*)obj) + o->offset, val, sizeof(val));
return o;
}
| 26,526 |
qemu | 6f321e93abb27b4e7ceb228b4204aa304e95daad | 1 | static void qed_aio_write_alloc(QEDAIOCB *acb, size_t len)
{
BDRVQEDState *s = acb_to_s(acb);
/* Freeze this request if another allocating write is in progress */
if (acb != QSIMPLEQ_FIRST(&s->allocating_write_reqs)) {
QSIMPLEQ_INSERT_TAIL(&s->allocating_write_reqs, acb, next);
}
if (acb != QSIMPLEQ_FIRST(&s->allocating_write_reqs)) {
return; /* wait for existing request to finish */
}
acb->cur_nclusters = qed_bytes_to_clusters(s,
qed_offset_into_cluster(s, acb->cur_pos) + len);
acb->cur_cluster = qed_alloc_clusters(s, acb->cur_nclusters);
qemu_iovec_copy(&acb->cur_qiov, acb->qiov, acb->qiov_offset, len);
if (qed_should_set_need_check(s)) {
s->header.features |= QED_F_NEED_CHECK;
qed_write_header(s, qed_aio_write_prefill, acb);
} else {
qed_aio_write_prefill(acb, 0);
}
}
| 26,528 |
qemu | 157e94e8a2f7d3e14060d833bd1519a83099eaa9 | 1 | static int parse_numa(void *opaque, QemuOpts *opts, Error **errp)
{
NumaOptions *object = NULL;
Error *err = NULL;
{
Visitor *v = opts_visitor_new(opts);
visit_type_NumaOptions(v, NULL, &object, &err);
visit_free(v);
}
if (err) {
goto error;
}
switch (object->type) {
case NUMA_OPTIONS_KIND_NODE:
numa_node_parse(object->u.node.data, opts, &err);
if (err) {
goto error;
}
nb_numa_nodes++;
break;
default:
abort();
}
return 0;
error:
error_report_err(err);
qapi_free_NumaOptions(object);
return -1;
}
| 26,529 |
qemu | 6f442fe83821a06c5408056c7879e83a74f2ff32 | 1 | static uint8_t send_read_command(void)
{
uint8_t drive = 0;
uint8_t head = 0;
uint8_t cyl = 0;
uint8_t sect_addr = 1;
uint8_t sect_size = 2;
uint8_t eot = 1;
uint8_t gap = 0x1b;
uint8_t gpl = 0xff;
uint8_t msr = 0;
uint8_t st0;
uint8_t ret = 0;
floppy_send(CMD_READ);
floppy_send(head << 2 | drive);
g_assert(!get_irq(FLOPPY_IRQ));
floppy_send(cyl);
floppy_send(head);
floppy_send(sect_addr);
floppy_send(sect_size);
floppy_send(eot);
floppy_send(gap);
floppy_send(gpl);
uint8_t i = 0;
uint8_t n = 2;
for (; i < n; i++) {
msr = inb(FLOPPY_BASE + reg_msr);
if (msr == 0xd0) {
break;
}
sleep(1);
}
if (i >= n) {
return 1;
}
st0 = floppy_recv();
if (st0 != 0x40) {
ret = 1;
}
floppy_recv();
floppy_recv();
floppy_recv();
floppy_recv();
floppy_recv();
floppy_recv();
return ret;
}
| 26,532 |
qemu | b074e6220542107afb9fad480a184775be591d2a | 1 | static void trigger_ascii_console_data(void *opaque, int n, int level)
{
sclp_service_interrupt(0);
}
| 26,533 |
qemu | 0ca4f94195cce77b624edc6d9abcf14a3bf01f06 | 1 | static uint64_t bonito_readl(void *opaque, hwaddr addr,
unsigned size)
{
PCIBonitoState *s = opaque;
uint32_t saddr;
saddr = (addr - BONITO_REGBASE) >> 2;
DPRINTF("bonito_readl "TARGET_FMT_plx"\n", addr);
switch (saddr) {
case BONITO_INTISR:
return s->regs[saddr];
default:
return s->regs[saddr];
}
}
| 26,534 |
qemu | e3f5ec2b5e92706e3b807059f79b1fb5d936e567 | 0 | static int virtio_net_can_receive(void *opaque)
{
VirtIONet *n = opaque;
return do_virtio_net_can_receive(n, VIRTIO_NET_MAX_BUFSIZE);
}
| 26,536 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static void bt_hci_inquiry_result(struct bt_hci_s *hci,
struct bt_device_s *slave)
{
if (!slave->inquiry_scan || !hci->lm.responses_left)
return;
hci->lm.responses_left --;
hci->lm.responses ++;
switch (hci->lm.inquiry_mode) {
case 0x00:
bt_hci_inquiry_result_standard(hci, slave);
return;
case 0x01:
bt_hci_inquiry_result_with_rssi(hci, slave);
return;
default:
fprintf(stderr, "%s: bad inquiry mode %02x\n", __FUNCTION__,
hci->lm.inquiry_mode);
exit(-1);
}
}
| 26,539 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint32_t hpet_ram_readw(void *opaque, target_phys_addr_t addr)
{
printf("qemu: hpet_read w at %" PRIx64 "\n", addr);
return 0;
}
| 26,541 |
qemu | 42a268c241183877192c376d03bd9b6d527407c7 | 0 | gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
bool search_pc)
{
CPUState *cs = CPU(cpu);
CPUMBState *env = &cpu->env;
uint32_t pc_start;
int j, lj;
struct DisasContext ctx;
struct DisasContext *dc = &ctx;
uint32_t next_page_start, org_flags;
target_ulong npc;
int num_insns;
int max_insns;
pc_start = tb->pc;
dc->cpu = cpu;
dc->tb = tb;
org_flags = dc->synced_flags = dc->tb_flags = tb->flags;
dc->is_jmp = DISAS_NEXT;
dc->jmp = 0;
dc->delayed_branch = !!(dc->tb_flags & D_FLAG);
if (dc->delayed_branch) {
dc->jmp = JMP_INDIRECT;
}
dc->pc = pc_start;
dc->singlestep_enabled = cs->singlestep_enabled;
dc->cpustate_changed = 0;
dc->abort_at_next_insn = 0;
dc->nr_nops = 0;
if (pc_start & 3) {
cpu_abort(cs, "Microblaze: unaligned PC=%x\n", pc_start);
}
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
#if !SIM_COMPAT
qemu_log("--------------\n");
log_cpu_state(CPU(cpu), 0);
#endif
}
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
lj = -1;
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_tb_start(tb);
do
{
#if SIM_COMPAT
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
gen_helper_debug();
}
#endif
check_breakpoint(env, dc);
if (search_pc) {
j = tcg_op_buf_count();
if (lj < j) {
lj++;
while (lj < j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
tcg_ctx.gen_opc_pc[lj] = dc->pc;
tcg_ctx.gen_opc_instr_start[lj] = 1;
tcg_ctx.gen_opc_icount[lj] = num_insns;
}
/* Pretty disas. */
LOG_DIS("%8.8x:\t", dc->pc);
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
dc->clear_imm = 1;
decode(dc, cpu_ldl_code(env, dc->pc));
if (dc->clear_imm)
dc->tb_flags &= ~IMM_FLAG;
dc->pc += 4;
num_insns++;
if (dc->delayed_branch) {
dc->delayed_branch--;
if (!dc->delayed_branch) {
if (dc->tb_flags & DRTI_FLAG)
do_rti(dc);
if (dc->tb_flags & DRTB_FLAG)
do_rtb(dc);
if (dc->tb_flags & DRTE_FLAG)
do_rte(dc);
/* Clear the delay slot flag. */
dc->tb_flags &= ~D_FLAG;
/* If it is a direct jump, try direct chaining. */
if (dc->jmp == JMP_INDIRECT) {
eval_cond_jmp(dc, env_btarget, tcg_const_tl(dc->pc));
dc->is_jmp = DISAS_JUMP;
} else if (dc->jmp == JMP_DIRECT) {
t_sync_flags(dc);
gen_goto_tb(dc, 0, dc->jmp_pc);
dc->is_jmp = DISAS_TB_JUMP;
} else if (dc->jmp == JMP_DIRECT_CC) {
int l1;
t_sync_flags(dc);
l1 = gen_new_label();
/* Conditional jmp. */
tcg_gen_brcondi_tl(TCG_COND_NE, env_btaken, 0, l1);
gen_goto_tb(dc, 1, dc->pc);
gen_set_label(l1);
gen_goto_tb(dc, 0, dc->jmp_pc);
dc->is_jmp = DISAS_TB_JUMP;
}
break;
}
}
if (cs->singlestep_enabled) {
break;
}
} while (!dc->is_jmp && !dc->cpustate_changed
&& !tcg_op_buf_full()
&& !singlestep
&& (dc->pc < next_page_start)
&& num_insns < max_insns);
npc = dc->pc;
if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) {
if (dc->tb_flags & D_FLAG) {
dc->is_jmp = DISAS_UPDATE;
tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
sync_jmpstate(dc);
} else
npc = dc->jmp_pc;
}
if (tb->cflags & CF_LAST_IO)
gen_io_end();
/* Force an update if the per-tb cpu state has changed. */
if (dc->is_jmp == DISAS_NEXT
&& (dc->cpustate_changed || org_flags != dc->tb_flags)) {
dc->is_jmp = DISAS_UPDATE;
tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
}
t_sync_flags(dc);
if (unlikely(cs->singlestep_enabled)) {
TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
if (dc->is_jmp != DISAS_JUMP) {
tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
}
gen_helper_raise_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
} else {
switch(dc->is_jmp) {
case DISAS_NEXT:
gen_goto_tb(dc, 1, npc);
break;
default:
case DISAS_JUMP:
case DISAS_UPDATE:
/* indicate that the hash table must be used
to find the next TB */
tcg_gen_exit_tb(0);
break;
case DISAS_TB_JUMP:
/* nothing more to generate */
break;
}
}
gen_tb_end(tb, num_insns);
if (search_pc) {
j = tcg_op_buf_count();
lj++;
while (lj <= j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
} else {
tb->size = dc->pc - pc_start;
tb->icount = num_insns;
}
#ifdef DEBUG_DISAS
#if !SIM_COMPAT
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("\n");
#if DISAS_GNU
log_target_disas(env, pc_start, dc->pc - pc_start, 0);
#endif
qemu_log("\nisize=%d osize=%d\n",
dc->pc - pc_start, tcg_op_buf_count());
}
#endif
#endif
assert(!dc->abort_at_next_insn);
}
| 26,542 |
qemu | acfb23ad3dd8d0ab385a10e483776ba7dcf927ad | 0 | static void test_bh_delete_from_cb_many(void)
{
BHTestData data1 = { .n = 0, .max = 1 };
BHTestData data2 = { .n = 0, .max = 3 };
BHTestData data3 = { .n = 0, .max = 2 };
BHTestData data4 = { .n = 0, .max = 4 };
data1.bh = aio_bh_new(ctx, bh_delete_cb, &data1);
data2.bh = aio_bh_new(ctx, bh_delete_cb, &data2);
data3.bh = aio_bh_new(ctx, bh_delete_cb, &data3);
data4.bh = aio_bh_new(ctx, bh_delete_cb, &data4);
qemu_bh_schedule(data1.bh);
qemu_bh_schedule(data2.bh);
qemu_bh_schedule(data3.bh);
qemu_bh_schedule(data4.bh);
g_assert_cmpint(data1.n, ==, 0);
g_assert_cmpint(data2.n, ==, 0);
g_assert_cmpint(data3.n, ==, 0);
g_assert_cmpint(data4.n, ==, 0);
g_assert(aio_poll(ctx, false));
g_assert_cmpint(data1.n, ==, 1);
g_assert_cmpint(data2.n, ==, 1);
g_assert_cmpint(data3.n, ==, 1);
g_assert_cmpint(data4.n, ==, 1);
g_assert(data1.bh == NULL);
wait_for_aio();
g_assert_cmpint(data1.n, ==, data1.max);
g_assert_cmpint(data2.n, ==, data2.max);
g_assert_cmpint(data3.n, ==, data3.max);
g_assert_cmpint(data4.n, ==, data4.max);
g_assert(data1.bh == NULL);
g_assert(data2.bh == NULL);
g_assert(data3.bh == NULL);
g_assert(data4.bh == NULL);
}
| 26,544 |
qemu | 2e6fc7eb1a4af1b127df5f07b8bb28af891946fa | 0 | static int raw_has_zero_init(BlockDriverState *bs)
{
return bdrv_has_zero_init(bs->file->bs);
}
| 26,545 |
qemu | fd8f5e37557596e14a859d8edf3dc24523bd4400 | 0 | void bios_linker_loader_add_pointer(GArray *linker,
const char *dest_file,
const char *src_file,
GArray *table, void *pointer,
uint8_t pointer_size)
{
BiosLinkerLoaderEntry entry;
memset(&entry, 0, sizeof entry);
strncpy(entry.pointer.dest_file, dest_file,
sizeof entry.pointer.dest_file - 1);
strncpy(entry.pointer.src_file, src_file,
sizeof entry.pointer.src_file - 1);
entry.command = cpu_to_le32(BIOS_LINKER_LOADER_COMMAND_ADD_POINTER);
entry.pointer.offset = cpu_to_le32((gchar *)pointer - table->data);
entry.pointer.size = pointer_size;
assert(pointer_size == 1 || pointer_size == 2 ||
pointer_size == 4 || pointer_size == 8);
g_array_append_val(linker, entry);
}
| 26,546 |
qemu | b1424e0381a7f1c9969079eca4458d5f20bf1859 | 0 | static void vga_draw_graphic(VGACommonState *s, int full_update)
{
int y1, y, update, linesize, y_start, double_scan, mask, depth;
int width, height, shift_control, line_offset, bwidth, bits;
ram_addr_t page0, page1, page_min, page_max;
int disp_width, multi_scan, multi_run;
uint8_t *d;
uint32_t v, addr1, addr;
vga_draw_line_func *vga_draw_line;
full_update |= update_basic_params(s);
if (!full_update)
vga_sync_dirty_bitmap(s);
s->get_resolution(s, &width, &height);
disp_width = width;
shift_control = (s->gr[VGA_GFX_MODE] >> 5) & 3;
double_scan = (s->cr[VGA_CRTC_MAX_SCAN] >> 7);
if (shift_control != 1) {
multi_scan = (((s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1) << double_scan)
- 1;
} else {
/* in CGA modes, multi_scan is ignored */
/* XXX: is it correct ? */
multi_scan = double_scan;
}
multi_run = multi_scan;
if (shift_control != s->shift_control ||
double_scan != s->double_scan) {
full_update = 1;
s->shift_control = shift_control;
s->double_scan = double_scan;
}
if (shift_control == 0) {
if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
disp_width <<= 1;
}
} else if (shift_control == 1) {
if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
disp_width <<= 1;
}
}
depth = s->get_bpp(s);
if (s->line_offset != s->last_line_offset ||
disp_width != s->last_width ||
height != s->last_height ||
s->last_depth != depth) {
#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
if (depth == 16 || depth == 32) {
#else
if (depth == 32) {
#endif
qemu_free_displaysurface(s->ds);
s->ds->surface = qemu_create_displaysurface_from(disp_width, height, depth,
s->line_offset,
s->vram_ptr + (s->start_addr * 4));
#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
s->ds->surface->pf = qemu_different_endianness_pixelformat(depth);
#endif
dpy_gfx_resize(s->ds);
} else {
qemu_console_resize(s->ds, disp_width, height);
}
s->last_scr_width = disp_width;
s->last_scr_height = height;
s->last_width = disp_width;
s->last_height = height;
s->last_line_offset = s->line_offset;
s->last_depth = depth;
full_update = 1;
} else if (is_buffer_shared(s->ds->surface) &&
(full_update || ds_get_data(s->ds) != s->vram_ptr
+ (s->start_addr * 4))) {
qemu_free_displaysurface(s->ds);
s->ds->surface = qemu_create_displaysurface_from(disp_width,
height, depth,
s->line_offset,
s->vram_ptr + (s->start_addr * 4));
dpy_gfx_setdata(s->ds);
}
s->rgb_to_pixel =
rgb_to_pixel_dup_table[get_depth_index(s->ds)];
if (shift_control == 0) {
full_update |= update_palette16(s);
if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
v = VGA_DRAW_LINE4D2;
} else {
v = VGA_DRAW_LINE4;
}
bits = 4;
} else if (shift_control == 1) {
full_update |= update_palette16(s);
if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
v = VGA_DRAW_LINE2D2;
} else {
v = VGA_DRAW_LINE2;
}
bits = 4;
} else {
switch(s->get_bpp(s)) {
default:
case 0:
full_update |= update_palette256(s);
v = VGA_DRAW_LINE8D2;
bits = 4;
break;
case 8:
full_update |= update_palette256(s);
v = VGA_DRAW_LINE8;
bits = 8;
break;
case 15:
v = VGA_DRAW_LINE15;
bits = 16;
break;
case 16:
v = VGA_DRAW_LINE16;
bits = 16;
break;
case 24:
v = VGA_DRAW_LINE24;
bits = 24;
break;
case 32:
v = VGA_DRAW_LINE32;
bits = 32;
break;
}
}
vga_draw_line = vga_draw_line_table[v * NB_DEPTHS + get_depth_index(s->ds)];
if (!is_buffer_shared(s->ds->surface) && s->cursor_invalidate)
s->cursor_invalidate(s);
line_offset = s->line_offset;
#if 0
printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
s->line_compare, s->sr[VGA_SEQ_CLOCK_MODE]);
#endif
addr1 = (s->start_addr * 4);
bwidth = (width * bits + 7) / 8;
y_start = -1;
page_min = -1;
page_max = 0;
d = ds_get_data(s->ds);
linesize = ds_get_linesize(s->ds);
y1 = 0;
for(y = 0; y < height; y++) {
addr = addr1;
if (!(s->cr[VGA_CRTC_MODE] & 1)) {
int shift;
/* CGA compatibility handling */
shift = 14 + ((s->cr[VGA_CRTC_MODE] >> 6) & 1);
addr = (addr & ~(1 << shift)) | ((y1 & 1) << shift);
}
if (!(s->cr[VGA_CRTC_MODE] & 2)) {
addr = (addr & ~0x8000) | ((y1 & 2) << 14);
}
update = full_update;
page0 = addr;
page1 = addr + bwidth - 1;
update |= memory_region_get_dirty(&s->vram, page0, page1 - page0,
DIRTY_MEMORY_VGA);
/* explicit invalidation for the hardware cursor */
update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1;
if (update) {
if (y_start < 0)
y_start = y;
if (page0 < page_min)
page_min = page0;
if (page1 > page_max)
page_max = page1;
if (!(is_buffer_shared(s->ds->surface))) {
vga_draw_line(s, d, s->vram_ptr + addr, width);
if (s->cursor_draw_line)
s->cursor_draw_line(s, d, y);
}
} else {
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(s->ds, 0, y_start,
disp_width, y - y_start);
y_start = -1;
}
}
if (!multi_run) {
mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3;
if ((y1 & mask) == mask)
addr1 += line_offset;
y1++;
multi_run = multi_scan;
} else {
multi_run--;
}
/* line compare acts on the displayed lines */
if (y == s->line_compare)
addr1 = 0;
d += linesize;
}
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(s->ds, 0, y_start,
disp_width, y - y_start);
}
/* reset modified pages */
if (page_max >= page_min) {
memory_region_reset_dirty(&s->vram,
page_min,
page_max - page_min,
DIRTY_MEMORY_VGA);
}
memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4);
}
| 26,547 |
FFmpeg | 3438d82d4b3bd987304975961e2a42e82767107d | 0 | static int ffm_write_header(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
AVStream *st;
ByteIOContext *pb = s->pb;
AVCodecContext *codec;
int bit_rate, i;
ffm->packet_size = FFM_PACKET_SIZE;
/* header */
put_le32(pb, MKTAG('F', 'F', 'M', '1'));
put_be32(pb, ffm->packet_size);
/* XXX: store write position in other file ? */
put_be64(pb, ffm->packet_size); /* current write position */
put_be32(pb, s->nb_streams);
bit_rate = 0;
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
bit_rate += st->codec->bit_rate;
}
put_be32(pb, bit_rate);
/* list of streams */
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
av_set_pts_info(st, 64, 1, 1000000);
codec = st->codec;
/* generic info */
put_be32(pb, codec->codec_id);
put_byte(pb, codec->codec_type);
put_be32(pb, codec->bit_rate);
put_be32(pb, st->quality);
put_be32(pb, codec->flags);
put_be32(pb, codec->flags2);
put_be32(pb, codec->debug);
/* specific info */
switch(codec->codec_type) {
case CODEC_TYPE_VIDEO:
put_be32(pb, codec->time_base.num);
put_be32(pb, codec->time_base.den);
put_be16(pb, codec->width);
put_be16(pb, codec->height);
put_be16(pb, codec->gop_size);
put_be32(pb, codec->pix_fmt);
put_byte(pb, codec->qmin);
put_byte(pb, codec->qmax);
put_byte(pb, codec->max_qdiff);
put_be16(pb, (int) (codec->qcompress * 10000.0));
put_be16(pb, (int) (codec->qblur * 10000.0));
put_be32(pb, codec->bit_rate_tolerance);
put_strz(pb, codec->rc_eq);
put_be32(pb, codec->rc_max_rate);
put_be32(pb, codec->rc_min_rate);
put_be32(pb, codec->rc_buffer_size);
put_be64(pb, av_dbl2int(codec->i_quant_factor));
put_be64(pb, av_dbl2int(codec->b_quant_factor));
put_be64(pb, av_dbl2int(codec->i_quant_offset));
put_be64(pb, av_dbl2int(codec->b_quant_offset));
put_be32(pb, codec->dct_algo);
put_be32(pb, codec->strict_std_compliance);
put_be32(pb, codec->max_b_frames);
put_be32(pb, codec->luma_elim_threshold);
put_be32(pb, codec->chroma_elim_threshold);
put_be32(pb, codec->mpeg_quant);
put_be32(pb, codec->intra_dc_precision);
put_be32(pb, codec->me_method);
put_be32(pb, codec->mb_decision);
put_be32(pb, codec->nsse_weight);
put_be32(pb, codec->frame_skip_cmp);
put_be64(pb, av_dbl2int(codec->rc_buffer_aggressivity));
put_be32(pb, codec->codec_tag);
break;
case CODEC_TYPE_AUDIO:
put_be32(pb, codec->sample_rate);
put_le16(pb, codec->channels);
put_le16(pb, codec->frame_size);
break;
default:
return -1;
}
}
/* hack to have real time */
if (ffm_nopts)
ffm->start_time = 0;
else
ffm->start_time = av_gettime();
/* flush until end of block reached */
while ((url_ftell(pb) % ffm->packet_size) != 0)
put_byte(pb, 0);
put_flush_packet(pb);
/* init packet mux */
ffm->packet_ptr = ffm->packet;
ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE;
assert(ffm->packet_end >= ffm->packet);
ffm->frame_offset = 0;
ffm->pts = 0;
ffm->first_packet = 1;
return 0;
}
| 26,548 |
qemu | 190563f9a90c9df8ad32fc7f3e4b166deda949a6 | 0 | static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
{
int ret = USB_RET_NAK;
if (s->in_ptr > s->in_len) {
s->in_ptr = s->in_len = 0;
ret = USB_RET_NAK;
return ret;
}
if (!s->in_len) {
ret = USB_RET_NAK;
return ret;
}
ret = s->in_len - s->in_ptr;
if (ret > p->iov.size) {
ret = p->iov.size;
}
usb_packet_copy(p, &s->in_buf[s->in_ptr], ret);
s->in_ptr += ret;
if (s->in_ptr >= s->in_len &&
(is_rndis(s) || (s->in_len & (64 - 1)) || !ret)) {
/* no short packet necessary */
s->in_ptr = s->in_len = 0;
}
#ifdef TRAFFIC_DEBUG
fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, ret);
iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", ret);
#endif
return ret;
}
| 26,549 |
qemu | 7d3467d903c0fa663fbe3f1002e7c624a210b634 | 0 | static void usb_msd_realize_storage(USBDevice *dev, Error **errp)
{
MSDState *s = USB_STORAGE_DEV(dev);
BlockBackend *blk = s->conf.blk;
SCSIDevice *scsi_dev;
Error *err = NULL;
if (!blk) {
error_setg(errp, "drive property not set");
return;
}
bdrv_add_key(blk_bs(blk), NULL, &err);
if (err) {
if (monitor_cur_is_qmp()) {
error_propagate(errp, err);
return;
}
error_free(err);
err = NULL;
if (cur_mon) {
monitor_read_bdrv_key_start(cur_mon, blk_bs(blk),
usb_msd_password_cb, s);
s->dev.auto_attach = 0;
} else {
autostart = 0;
}
}
blkconf_serial(&s->conf, &dev->serial);
blkconf_blocksizes(&s->conf);
/*
* Hack alert: this pretends to be a block device, but it's really
* a SCSI bus that can serve only a single device, which it
* creates automatically. But first it needs to detach from its
* blockdev, or else scsi_bus_legacy_add_drive() dies when it
* attaches again.
*
* The hack is probably a bad idea.
*/
blk_detach_dev(blk, &s->dev.qdev);
s->conf.blk = NULL;
usb_desc_create_serial(dev);
usb_desc_init(dev);
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&usb_msd_scsi_info_storage, NULL);
scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
s->conf.bootindex, dev->serial,
&err);
if (!scsi_dev) {
error_propagate(errp, err);
return;
}
usb_msd_handle_reset(dev);
s->scsi_dev = scsi_dev;
}
| 26,550 |
qemu | 6214e73cc5b75a4f8d89a70d71727edfa47a81b3 | 0 | static int usb_xhci_initfn(struct PCIDevice *dev)
{
int i, ret;
XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */
xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10;
xhci->pci_dev.config[0x60] = 0x30; /* release number */
usb_xhci_init(xhci, &dev->qdev);
if (xhci->numintrs > MAXINTRS) {
xhci->numintrs = MAXINTRS;
}
if (xhci->numintrs < 1) {
xhci->numintrs = 1;
}
if (xhci->numslots > MAXSLOTS) {
xhci->numslots = MAXSLOTS;
}
if (xhci->numslots < 1) {
xhci->numslots = 1;
}
xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
xhci->irq = xhci->pci_dev.irq[0];
memory_region_init(&xhci->mem, "xhci", LEN_REGS);
memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci,
"capabilities", LEN_CAP);
memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci,
"operational", 0x400);
memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci,
"runtime", LEN_RUNTIME);
memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci,
"doorbell", LEN_DOORBELL);
memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
for (i = 0; i < xhci->numports; i++) {
XHCIPort *port = &xhci->ports[i];
uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
port->xhci = xhci;
memory_region_init_io(&port->mem, &xhci_port_ops, port,
port->name, 0x10);
memory_region_add_subregion(&xhci->mem, offset, &port->mem);
}
pci_register_bar(&xhci->pci_dev, 0,
PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
&xhci->mem);
ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0);
assert(ret >= 0);
if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false);
}
if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
msix_init(&xhci->pci_dev, xhci->numintrs,
&xhci->mem, 0, OFF_MSIX_TABLE,
&xhci->mem, 0, OFF_MSIX_PBA,
0x90);
}
return 0;
}
| 26,551 |
qemu | ad523590f62cf5d44e97388de370d27b95b25aff | 0 | void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n,
bool is_write)
{
hwaddr addr, granularity;
IOMMUTLBEntry iotlb;
IOMMUAccessFlags flag = is_write ? IOMMU_WO : IOMMU_RO;
/* If the IOMMU has its own replay callback, override */
if (mr->iommu_ops->replay) {
mr->iommu_ops->replay(mr, n);
return;
}
granularity = memory_region_iommu_get_min_page_size(mr);
for (addr = 0; addr < memory_region_size(mr); addr += granularity) {
iotlb = mr->iommu_ops->translate(mr, addr, flag);
if (iotlb.perm != IOMMU_NONE) {
n->notify(n, &iotlb);
}
/* if (2^64 - MR size) < granularity, it's possible to get an
* infinite loop here. This should catch such a wraparound */
if ((addr + granularity) < addr) {
break;
}
}
}
| 26,553 |
qemu | 56a6f02b8ce1fe41a2a9077593e46eca7d98267d | 0 | static void qmp_output_end_list(Visitor *v)
{
QmpOutputVisitor *qov = to_qov(v);
qmp_output_pop(qov);
}
| 26,554 |
FFmpeg | 508a24f8dc63e74bd9917e6f0c4cdbb744741ef0 | 0 | static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx){
if( avctx->thread_count > 1)
return -1;
if( !(avctx->slice_flags & SLICE_FLAG_CODED_ORDER) )
return -1;
if( !(avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD) ){
av_dlog(avctx, "mpeg12.c: XvMC decoder will work better if SLICE_FLAG_ALLOW_FIELD is set\n");
}
mpeg_decode_init(avctx);
avctx->pix_fmt = PIX_FMT_XVMC_MPEG2_IDCT;
avctx->xvmc_acceleration = 2;//2 - the blocks are packed!
return 0;
}
| 26,555 |
FFmpeg | f929ab0569ff31ed5a59b0b0adb7ce09df3fca39 | 0 | static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
{
AvsFormat *avs = s->priv_data;
int sub_type = 0, size = 0;
AvsBlockType type = AVS_NONE;
int palette_size = 0;
uint8_t palette[4 + 3 * 256];
int ret;
if (avs->remaining_audio_size > 0)
if (avs_read_audio_packet(s, pkt) > 0)
return 0;
while (1) {
if (avs->remaining_frame_size <= 0) {
if (!avio_rl16(s->pb)) /* found EOF */
return AVERROR(EIO);
avs->remaining_frame_size = avio_rl16(s->pb) - 4;
}
while (avs->remaining_frame_size > 0) {
sub_type = avio_r8(s->pb);
type = avio_r8(s->pb);
size = avio_rl16(s->pb);
if (size < 4)
return AVERROR_INVALIDDATA;
avs->remaining_frame_size -= size;
switch (type) {
case AVS_PALETTE:
if (size - 4 > sizeof(palette))
return AVERROR_INVALIDDATA;
ret = avio_read(s->pb, palette, size - 4);
if (ret < size - 4)
return AVERROR(EIO);
palette_size = size;
break;
case AVS_VIDEO:
if (!avs->st_video) {
avs->st_video = avformat_new_stream(s, NULL);
if (avs->st_video == NULL)
return AVERROR(ENOMEM);
avs->st_video->codec->codec_type = AVMEDIA_TYPE_VIDEO;
avs->st_video->codec->codec_id = AV_CODEC_ID_AVS;
avs->st_video->codec->width = avs->width;
avs->st_video->codec->height = avs->height;
avs->st_video->codec->bits_per_coded_sample=avs->bits_per_sample;
avs->st_video->nb_frames = avs->nb_frames;
avs->st_video->avg_frame_rate = (AVRational){avs->fps, 1};
}
return avs_read_video_packet(s, pkt, type, sub_type, size,
palette, palette_size);
case AVS_AUDIO:
if (!avs->st_audio) {
avs->st_audio = avformat_new_stream(s, NULL);
if (avs->st_audio == NULL)
return AVERROR(ENOMEM);
avs->st_audio->codec->codec_type = AVMEDIA_TYPE_AUDIO;
}
avs->remaining_audio_size = size - 4;
size = avs_read_audio_packet(s, pkt);
if (size != 0)
return size;
break;
default:
avio_skip(s->pb, size - 4);
}
}
}
}
| 26,556 |
qemu | 2ba82852894c762299b7d05e9a2be184116b80f0 | 1 | static void *file_ram_alloc(RAMBlock *block,
ram_addr_t memory,
const char *path)
{
char *filename;
char *sanitized_name;
char *c;
void *area;
int fd;
unsigned long hpagesize;
hpagesize = gethugepagesize(path);
if (!hpagesize) {
return NULL;
}
if (memory < hpagesize) {
return NULL;
}
if (kvm_enabled() && !kvm_has_sync_mmu()) {
fprintf(stderr, "host lacks kvm mmu notifiers, -mem-path unsupported\n");
return NULL;
}
/* Make name safe to use with mkstemp by replacing '/' with '_'. */
sanitized_name = g_strdup(block->mr->name);
for (c = sanitized_name; *c != '\0'; c++) {
if (*c == '/')
*c = '_';
}
filename = g_strdup_printf("%s/qemu_back_mem.%s.XXXXXX", path,
sanitized_name);
g_free(sanitized_name);
fd = mkstemp(filename);
if (fd < 0) {
perror("unable to create backing store for hugepages");
g_free(filename);
return NULL;
}
unlink(filename);
g_free(filename);
memory = (memory+hpagesize-1) & ~(hpagesize-1);
/*
* ftruncate is not supported by hugetlbfs in older
* hosts, so don't bother bailing out on errors.
* If anything goes wrong with it under other filesystems,
* mmap will fail.
*/
if (ftruncate(fd, memory))
perror("ftruncate");
area = mmap(0, memory, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (area == MAP_FAILED) {
perror("file_ram_alloc: can't mmap RAM pages");
close(fd);
return (NULL);
}
if (mem_prealloc) {
int ret, i;
struct sigaction act, oldact;
sigset_t set, oldset;
memset(&act, 0, sizeof(act));
act.sa_handler = &sigbus_handler;
act.sa_flags = 0;
ret = sigaction(SIGBUS, &act, &oldact);
if (ret) {
perror("file_ram_alloc: failed to install signal handler");
exit(1);
}
/* unblock SIGBUS */
sigemptyset(&set);
sigaddset(&set, SIGBUS);
pthread_sigmask(SIG_UNBLOCK, &set, &oldset);
if (sigsetjmp(sigjump, 1)) {
fprintf(stderr, "file_ram_alloc: failed to preallocate pages\n");
exit(1);
}
/* MAP_POPULATE silently ignores failures */
for (i = 0; i < (memory/hpagesize)-1; i++) {
memset(area + (hpagesize*i), 0, 1);
}
ret = sigaction(SIGBUS, &oldact, NULL);
if (ret) {
perror("file_ram_alloc: failed to reinstall signal handler");
exit(1);
}
pthread_sigmask(SIG_SETMASK, &oldset, NULL);
}
block->fd = fd;
return area;
}
| 26,557 |
qemu | 2d896b454a0e19ec4c1ddbb0e0b65b7e54fcedf3 | 1 | static void boston_register_types(void)
{
type_register_static(&boston_device);
}
| 26,558 |
qemu | 0c9390d978cbf61e8f16c9f580fa96b305c43568 | 1 | static gboolean nbd_accept(QIOChannel *ioc, GIOCondition condition,
gpointer opaque)
{
QIOChannelSocket *cioc;
if (!nbd_server) {
return FALSE;
}
cioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(ioc),
NULL);
if (!cioc) {
return TRUE;
}
qio_channel_set_name(QIO_CHANNEL(cioc), "nbd-server");
nbd_client_new(NULL, cioc,
nbd_server->tlscreds, NULL,
nbd_client_put);
object_unref(OBJECT(cioc));
return TRUE;
}
| 26,560 |
FFmpeg | 79ff462e73e73591573bcd01e8ee6614b7ac1c69 | 1 | static int bfi_decode_frame(AVCodecContext * avctx, void *data,
int *data_size, const uint8_t * buf,
int buf_size)
{
BFIContext *bfi = avctx->priv_data;
uint8_t *dst = bfi->dst;
uint8_t *src, *dst_offset, colour1, colour2;
uint8_t *frame_end = bfi->dst + avctx->width * avctx->height;
uint32_t *pal;
int i, j, height = avctx->height;
if (bfi->frame.data[0])
avctx->release_buffer(avctx, &bfi->frame);
bfi->frame.reference = 1;
if (avctx->get_buffer(avctx, &bfi->frame) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
/* Set frame parameters and palette, if necessary */
if (!avctx->frame_number) {
bfi->frame.pict_type = FF_I_TYPE;
bfi->frame.key_frame = 1;
/* Setting the palette */
if(avctx->extradata_size>768) {
av_log(NULL, AV_LOG_ERROR, "Palette is too large.\n");
return -1;
}
pal = (uint32_t *) bfi->frame.data[1];
for (i = 0; i < avctx->extradata_size / 3; i++) {
int shift = 16;
*pal = 0;
for (j = 0; j < 3; j++, shift -= 8)
*pal +=
((avctx->extradata[i * 3 + j] << 2) |
(avctx->extradata[i * 3 + j] >> 4)) << shift;
pal++;
}
bfi->frame.palette_has_changed = 1;
} else {
bfi->frame.pict_type = FF_P_TYPE;
bfi->frame.key_frame = 0;
}
buf += 4; //Unpacked size, not required.
while (dst != frame_end) {
static const uint8_t lentab[4]={0,2,0,1};
unsigned int byte = *buf++, offset;
unsigned int code = byte >> 6;
unsigned int length = byte & ~0xC0;
/* Get length and offset(if required) */
if (length == 0) {
if (code == 1) {
length = bytestream_get_byte(&buf);
offset = bytestream_get_le16(&buf);
} else {
length = bytestream_get_le16(&buf);
if (code == 2 && length == 0)
break;
}
} else {
if (code == 1)
offset = bytestream_get_byte(&buf);
}
/* Do boundary check */
if (dst + (length<<lentab[code]) > frame_end)
break;
switch (code) {
case 0: //Normal Chain
bytestream_get_buffer(&buf, dst, length);
dst += length;
break;
case 1: //Back Chain
dst_offset = dst - offset;
length *= 4; //Convert dwords to bytes.
if (dst_offset < bfi->dst)
break;
while (length--)
*dst++ = *dst_offset++;
break;
case 2: //Skip Chain
dst += length;
break;
case 3: //Fill Chain
colour1 = bytestream_get_byte(&buf);
colour2 = bytestream_get_byte(&buf);
while (length--) {
*dst++ = colour1;
*dst++ = colour2;
}
break;
}
}
src = bfi->dst;
dst = bfi->frame.data[0];
while (height--) {
memcpy(dst, src, avctx->width);
src += avctx->width;
dst += bfi->frame.linesize[0];
}
*data_size = sizeof(AVFrame);
*(AVFrame *) data = bfi->frame;
return buf_size;
}
| 26,561 |
qemu | 6573d9c63885aaf533366ab5c68318d1cf1a0fcc | 0 | bool block_job_user_paused(BlockJob *job)
{
return job ? job->user_paused : 0;
}
| 26,562 |
qemu | 0dfe952dc5c2921488a1172407857d5bb81d17a4 | 0 | static void booke_decr_cb(void *opaque)
{
PowerPCCPU *cpu = opaque;
CPUPPCState *env = &cpu->env;
env->spr[SPR_BOOKE_TSR] |= TSR_DIS;
booke_update_irq(cpu);
if (env->spr[SPR_BOOKE_TCR] & TCR_ARE) {
/* Auto Reload */
cpu_ppc_store_decr(env, env->spr[SPR_BOOKE_DECAR]);
}
}
| 26,563 |
qemu | 9f8863ebd7f584762a906881a62a04ac05ce4898 | 0 | static char *read_splashfile(char *filename, size_t *file_sizep,
int *file_typep)
{
GError *err = NULL;
gboolean res;
gchar *content;
int file_type = -1;
unsigned int filehead = 0;
int bmp_bpp;
res = g_file_get_contents(filename, &content, file_sizep, &err);
if (res == FALSE) {
error_report("failed to read splash file '%s'", filename);
g_error_free(err);
return NULL;
}
/* check file size */
if (*file_sizep < 30) {
goto error;
}
/* check magic ID */
filehead = ((content[0] & 0xff) + (content[1] << 8)) & 0xffff;
if (filehead == 0xd8ff) {
file_type = JPG_FILE;
} else if (filehead == 0x4d42) {
file_type = BMP_FILE;
} else {
goto error;
}
/* check BMP bpp */
if (file_type == BMP_FILE) {
bmp_bpp = (content[28] + (content[29] << 8)) & 0xffff;
if (bmp_bpp != 24) {
goto error;
}
}
/* return values */
*file_typep = file_type;
return content;
error:
error_report("splash file '%s' format not recognized; must be JPEG "
"or 24 bit BMP", filename);
g_free(content);
return NULL;
}
| 26,564 |
qemu | d3b12f5dec4b27ebab58fb5797cb67bacced773b | 0 | static void qemu_event_read(void *opaque)
{
int fd = (intptr_t)opaque;
ssize_t len;
char buffer[512];
/* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
do {
len = read(fd, buffer, sizeof(buffer));
} while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
}
| 26,565 |
qemu | 1ea879e5580f63414693655fcf0328559cdce138 | 0 | static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
{
OSStatus status;
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
UInt32 propertySize;
int err;
const char *typ = "playback";
AudioValueRange frameRange;
/* create mutex */
err = pthread_mutex_init(&core->mutex, NULL);
if (err) {
dolog("Could not create mutex\nReason: %s\n", strerror (err));
return -1;
}
audio_pcm_init_info (&hw->info, as);
/* open default output device */
propertySize = sizeof(core->outputDeviceID);
status = AudioHardwareGetProperty(
kAudioHardwarePropertyDefaultOutputDevice,
&propertySize,
&core->outputDeviceID);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get default output Device\n");
return -1;
}
if (core->outputDeviceID == kAudioDeviceUnknown) {
dolog ("Could not initialize %s - Unknown Audiodevice\n", typ);
return -1;
}
/* get minimum and maximum buffer frame sizes */
propertySize = sizeof(frameRange);
status = AudioDeviceGetProperty(
core->outputDeviceID,
0,
0,
kAudioDevicePropertyBufferFrameSizeRange,
&propertySize,
&frameRange);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get device buffer frame range\n");
return -1;
}
if (frameRange.mMinimum > conf.buffer_frames) {
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum;
dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum);
}
else if (frameRange.mMaximum < conf.buffer_frames) {
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum;
dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum);
}
else {
core->audioDevicePropertyBufferFrameSize = conf.buffer_frames;
}
/* set Buffer Frame Size */
propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
status = AudioDeviceSetProperty(
core->outputDeviceID,
NULL,
0,
false,
kAudioDevicePropertyBufferFrameSize,
propertySize,
&core->audioDevicePropertyBufferFrameSize);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not set device buffer frame size %ld\n",
core->audioDevicePropertyBufferFrameSize);
return -1;
}
/* get Buffer Frame Size */
propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
status = AudioDeviceGetProperty(
core->outputDeviceID,
0,
false,
kAudioDevicePropertyBufferFrameSize,
&propertySize,
&core->audioDevicePropertyBufferFrameSize);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get device buffer frame size\n");
return -1;
}
hw->samples = conf.nbuffers * core->audioDevicePropertyBufferFrameSize;
/* get StreamFormat */
propertySize = sizeof(core->outputStreamBasicDescription);
status = AudioDeviceGetProperty(
core->outputDeviceID,
0,
false,
kAudioDevicePropertyStreamFormat,
&propertySize,
&core->outputStreamBasicDescription);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get Device Stream properties\n");
core->outputDeviceID = kAudioDeviceUnknown;
return -1;
}
/* set Samplerate */
core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
propertySize = sizeof(core->outputStreamBasicDescription);
status = AudioDeviceSetProperty(
core->outputDeviceID,
0,
0,
0,
kAudioDevicePropertyStreamFormat,
propertySize,
&core->outputStreamBasicDescription);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n",
as->freq);
core->outputDeviceID = kAudioDeviceUnknown;
return -1;
}
/* set Callback */
status = AudioDeviceAddIOProc(core->outputDeviceID, audioDeviceIOProc, hw);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ, "Could not set IOProc\n");
core->outputDeviceID = kAudioDeviceUnknown;
return -1;
}
/* start Playback */
if (!isPlaying(core->outputDeviceID)) {
status = AudioDeviceStart(core->outputDeviceID, audioDeviceIOProc);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ, "Could not start playback\n");
AudioDeviceRemoveIOProc(core->outputDeviceID, audioDeviceIOProc);
core->outputDeviceID = kAudioDeviceUnknown;
return -1;
}
}
return 0;
}
| 26,567 |
qemu | 3468b59e18b179bc63c7ce934de912dfa9596122 | 0 | void tcg_region_init(void)
{
void *buf = tcg_init_ctx.code_gen_buffer;
void *aligned;
size_t size = tcg_init_ctx.code_gen_buffer_size;
size_t page_size = qemu_real_host_page_size;
size_t region_size;
size_t n_regions;
size_t i;
/* We do not yet support multiple TCG contexts, so use one region for now */
n_regions = 1;
/* The first region will be 'aligned - buf' bytes larger than the others */
aligned = QEMU_ALIGN_PTR_UP(buf, page_size);
g_assert(aligned < tcg_init_ctx.code_gen_buffer + size);
/*
* Make region_size a multiple of page_size, using aligned as the start.
* As a result of this we might end up with a few extra pages at the end of
* the buffer; we will assign those to the last region.
*/
region_size = (size - (aligned - buf)) / n_regions;
region_size = QEMU_ALIGN_DOWN(region_size, page_size);
/* A region must have at least 2 pages; one code, one guard */
g_assert(region_size >= 2 * page_size);
/* init the region struct */
qemu_mutex_init(®ion.lock);
region.n = n_regions;
region.size = region_size - page_size;
region.stride = region_size;
region.start = buf;
region.start_aligned = aligned;
/* page-align the end, since its last page will be a guard page */
region.end = QEMU_ALIGN_PTR_DOWN(buf + size, page_size);
/* account for that last guard page */
region.end -= page_size;
/* set guard pages */
for (i = 0; i < region.n; i++) {
void *start, *end;
int rc;
tcg_region_bounds(i, &start, &end);
rc = qemu_mprotect_none(end, page_size);
g_assert(!rc);
}
/* We do not yet support multiple TCG contexts so allocate the region now */
{
bool err = tcg_region_initial_alloc__locked(tcg_ctx);
g_assert(!err);
}
}
| 26,570 |
qemu | 1cf0d2b8352a2df35919030b84dbfc713ee9b9be | 0 | static int vt82c686b_ac97_initfn(PCIDevice *dev)
{
VT686AC97State *s = DO_UPCAST(VT686AC97State, dev, dev);
uint8_t *pci_conf = s->dev.config;
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_VIA);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_VIA_AC97);
pci_config_set_class(pci_conf, PCI_CLASS_MULTIMEDIA_AUDIO);
pci_config_set_revision(pci_conf, 0x50);
pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_INVALIDATE |
PCI_COMMAND_PARITY);
pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_CAP_LIST |
PCI_STATUS_DEVSEL_MEDIUM);
pci_set_long(pci_conf + PCI_INTERRUPT_PIN, 0x03);
return 0;
}
| 26,571 |
qemu | 10c4c98ab7dc18169b37b76f6ea5e60ebe65222b | 0 | void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent)
{
SysBusDevice *s = sysbus_from_qdev(dev);
int i;
for (i = 0; i < s->num_mmio; i++) {
monitor_printf(mon, "%*smmio " TARGET_FMT_plx "/" TARGET_FMT_plx "\n",
indent, "", s->mmio[i].addr, s->mmio[i].size);
}
}
| 26,572 |
qemu | 18e80c55bb6ec17c05ec0ba717ec83933c2bfc07 | 0 | static void handle_arg_reserved_va(const char *arg)
{
char *p;
int shift = 0;
reserved_va = strtoul(arg, &p, 0);
switch (*p) {
case 'k':
case 'K':
shift = 10;
break;
case 'M':
shift = 20;
break;
case 'G':
shift = 30;
break;
}
if (shift) {
unsigned long unshifted = reserved_va;
p++;
reserved_va <<= shift;
if (((reserved_va >> shift) != unshifted)
#if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS
|| (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS))
#endif
) {
fprintf(stderr, "Reserved virtual address too big\n");
exit(EXIT_FAILURE);
}
}
if (*p) {
fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p);
exit(EXIT_FAILURE);
}
}
| 26,574 |
qemu | ffbb1705a33df8e2fb12b24d96663d63b22eaf8b | 0 | void spapr_events_init(sPAPRMachineState *spapr)
{
QTAILQ_INIT(&spapr->pending_events);
spapr->check_exception_irq = xics_spapr_alloc(spapr->xics, 0, false,
&error_fatal);
spapr->epow_notifier.notify = spapr_powerdown_req;
qemu_register_powerdown_notifier(&spapr->epow_notifier);
spapr_rtas_register(RTAS_CHECK_EXCEPTION, "check-exception",
check_exception);
spapr_rtas_register(RTAS_EVENT_SCAN, "event-scan", event_scan);
}
| 26,575 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | static void bdrv_co_maybe_schedule_bh(BlockAIOCBCoroutine *acb)
{
acb->need_bh = false;
if (acb->req.error != -EINPROGRESS) {
BlockDriverState *bs = acb->common.bs;
acb->bh = aio_bh_new(bdrv_get_aio_context(bs), bdrv_co_em_bh, acb);
qemu_bh_schedule(acb->bh);
}
}
| 26,577 |
qemu | 6ed92b14f610c78aea52b087d6bdc59a3f2de72a | 0 | static void xlnx_zynqmp_init(Object *obj)
{
XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
int i;
for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
"cortex-a53-" TYPE_ARM_CPU);
object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
&error_abort);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]),
"cortex-r5-" TYPE_ARM_CPU);
object_property_add_child(obj, "rpu-cpu[*]", OBJECT(&s->rpu_cpu[i]),
&error_abort);
}
object_property_add_link(obj, "ddr-ram", TYPE_MEMORY_REGION,
(Object **)&s->ddr_ram,
qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
object_initialize(&s->gic, sizeof(s->gic), TYPE_ARM_GIC);
qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM);
qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default());
}
for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART);
qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
}
object_initialize(&s->sata, sizeof(s->sata), TYPE_SYSBUS_AHCI);
qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default());
for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
object_initialize(&s->sdhci[i], sizeof(s->sdhci[i]),
TYPE_SYSBUS_SDHCI);
qdev_set_parent_bus(DEVICE(&s->sdhci[i]),
sysbus_get_default());
}
for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
object_initialize(&s->spi[i], sizeof(s->spi[i]),
TYPE_XILINX_SPIPS);
qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
}
}
| 26,578 |
FFmpeg | 50ce510ac4e3ed093c051738242a9a75aeeb36ce | 0 | static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, int *ret, int job_count, int job_size)
{
SliceThreadContext *c = avctx->internal->thread_ctx;
int dummy_ret;
if (!(avctx->active_thread_type&FF_THREAD_SLICE) || avctx->thread_count <= 1)
return avcodec_default_execute(avctx, func, arg, ret, job_count, job_size);
if (job_count <= 0)
return 0;
pthread_mutex_lock(&c->current_job_lock);
c->current_job = avctx->thread_count;
c->job_count = job_count;
c->job_size = job_size;
c->args = arg;
c->func = func;
if (ret) {
c->rets = ret;
c->rets_count = job_count;
} else {
c->rets = &dummy_ret;
c->rets_count = 1;
}
c->current_execute++;
pthread_cond_broadcast(&c->current_job_cond);
thread_park_workers(c, avctx->thread_count);
return 0;
}
| 26,579 |
qemu | 5b4dd0f55ed3027557ed9a6fd89d5aa379122feb | 0 | static int xen_pt_config_reg_init(XenPCIPassthroughState *s,
XenPTRegGroup *reg_grp, XenPTRegInfo *reg)
{
XenPTReg *reg_entry;
uint32_t data = 0;
int rc = 0;
reg_entry = g_new0(XenPTReg, 1);
reg_entry->reg = reg;
if (reg->init) {
uint32_t host_mask, size_mask;
unsigned int offset;
uint32_t val;
/* initialize emulate register */
rc = reg->init(s, reg_entry->reg,
reg_grp->base_offset + reg->offset, &data);
if (rc < 0) {
g_free(reg_entry);
return rc;
}
if (data == XEN_PT_INVALID_REG) {
/* free unused BAR register entry */
g_free(reg_entry);
return 0;
}
/* Sync up the data to dev.config */
offset = reg_grp->base_offset + reg->offset;
size_mask = 0xFFFFFFFF >> ((4 - reg->size) << 3);
switch (reg->size) {
case 1: rc = xen_host_pci_get_byte(&s->real_device, offset, (uint8_t *)&val);
break;
case 2: rc = xen_host_pci_get_word(&s->real_device, offset, (uint16_t *)&val);
break;
case 4: rc = xen_host_pci_get_long(&s->real_device, offset, &val);
break;
default: assert(1);
}
if (rc) {
/* Serious issues when we cannot read the host values! */
g_free(reg_entry);
return rc;
}
/* Set bits in emu_mask are the ones we emulate. The dev.config shall
* contain the emulated view of the guest - therefore we flip the mask
* to mask out the host values (which dev.config initially has) . */
host_mask = size_mask & ~reg->emu_mask;
if ((data & host_mask) != (val & host_mask)) {
uint32_t new_val;
/* Mask out host (including past size). */
new_val = val & host_mask;
/* Merge emulated ones (excluding the non-emulated ones). */
new_val |= data & host_mask;
/* Leave intact host and emulated values past the size - even though
* we do not care as we write per reg->size granularity, but for the
* logging below lets have the proper value. */
new_val |= ((val | data)) & ~size_mask;
XEN_PT_LOG(&s->dev,"Offset 0x%04x mismatch! Emulated=0x%04x, host=0x%04x, syncing to 0x%04x.\n",
offset, data, val, new_val);
val = new_val;
} else
val = data;
/* This could be just pci_set_long as we don't modify the bits
* past reg->size, but in case this routine is run in parallel
* we do not want to over-write other registers. */
switch (reg->size) {
case 1: pci_set_byte(s->dev.config + offset, (uint8_t)val);
break;
case 2: pci_set_word(s->dev.config + offset, (uint16_t)val);
break;
case 4: pci_set_long(s->dev.config + offset, val);
break;
default: assert(1);
}
/* set register value */
reg_entry->data = val;
}
/* list add register entry */
QLIST_INSERT_HEAD(®_grp->reg_tbl_list, reg_entry, entries);
return 0;
}
| 26,580 |
FFmpeg | e8a3498f2452ba2be605b1ffb5974143095aacf1 | 1 | static void chs_assemble_msbs_lsbs(DCAXllDecoder *s, DCAXllChSet *c, int band)
{
DCAXllBand *b = &c->bands[band];
int n, ch, nsamples = s->nframesamples;
for (ch = 0; ch < c->nchannels; ch++) {
int shift = chs_get_lsb_width(s, c, band, ch);
if (shift) {
int32_t *msb = b->msb_sample_buffer[ch];
if (b->nscalablelsbs[ch]) {
int32_t *lsb = b->lsb_sample_buffer[ch];
int adj = b->bit_width_adjust[ch];
for (n = 0; n < nsamples; n++)
msb[n] = msb[n] * (1 << shift) + (lsb[n] << adj);
} else {
for (n = 0; n < nsamples; n++)
msb[n] = msb[n] * (1 << shift);
}
}
}
}
| 26,581 |
qemu | b544c1aba8681c2fe5d6715fbd37cf6caf1bc7bb | 1 | static void coroutine_fn send_pending_req(BDRVSheepdogState *s, uint64_t oid)
{
AIOReq *aio_req;
SheepdogAIOCB *acb;
while ((aio_req = find_pending_req(s, oid)) != NULL) {
acb = aio_req->aiocb;
/* move aio_req from pending list to inflight one */
QLIST_REMOVE(aio_req, aio_siblings);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
add_aio_request(s, aio_req, acb->qiov->iov, acb->qiov->niov, false,
acb->aiocb_type);
}
}
| 26,582 |
FFmpeg | 5a3a906ba29b53fa34d3047af78d9f8fd7678256 | 1 | static av_cold int vqa_decode_init(AVCodecContext *avctx)
{
VqaContext *s = avctx->priv_data;
unsigned char *vqa_header;
int i, j, codebook_index;
s->avctx = avctx;
avctx->pix_fmt = PIX_FMT_PAL8;
/* make sure the extradata made it */
if (s->avctx->extradata_size != VQA_HEADER_SIZE) {
av_log(s->avctx, AV_LOG_ERROR, " VQA video: expected extradata size of %d\n", VQA_HEADER_SIZE);
return -1;
}
/* load up the VQA parameters from the header */
vqa_header = (unsigned char *)s->avctx->extradata;
s->vqa_version = vqa_header[0];
s->width = AV_RL16(&vqa_header[6]);
s->height = AV_RL16(&vqa_header[8]);
if(av_image_check_size(s->width, s->height, 0, avctx)){
s->width= s->height= 0;
return -1;
}
s->vector_width = vqa_header[10];
s->vector_height = vqa_header[11];
s->partial_count = s->partial_countdown = vqa_header[13];
/* the vector dimensions have to meet very stringent requirements */
if ((s->vector_width != 4) ||
((s->vector_height != 2) && (s->vector_height != 4))) {
/* return without further initialization */
return -1;
}
/* allocate codebooks */
s->codebook_size = MAX_CODEBOOK_SIZE;
s->codebook = av_malloc(s->codebook_size);
if (!s->codebook)
goto fail;
s->next_codebook_buffer = av_malloc(s->codebook_size);
if (!s->next_codebook_buffer)
goto fail;
/* allocate decode buffer */
s->decode_buffer_size = (s->width / s->vector_width) *
(s->height / s->vector_height) * 2;
s->decode_buffer = av_malloc(s->decode_buffer_size);
if (!s->decode_buffer)
goto fail;
/* initialize the solid-color vectors */
if (s->vector_height == 4) {
codebook_index = 0xFF00 * 16;
for (i = 0; i < 256; i++)
for (j = 0; j < 16; j++)
s->codebook[codebook_index++] = i;
} else {
codebook_index = 0xF00 * 8;
for (i = 0; i < 256; i++)
for (j = 0; j < 8; j++)
s->codebook[codebook_index++] = i;
}
s->next_codebook_buffer_index = 0;
s->frame.data[0] = NULL;
return 0;
fail:
av_freep(&s->codebook);
av_freep(&s->next_codebook_buffer);
av_freep(&s->decode_buffer);
return AVERROR(ENOMEM);
}
| 26,583 |
FFmpeg | 14e4e26559697cfdea584767be4e68474a0a9c7f | 1 | static int t27(InterplayACMContext *s, unsigned ind, unsigned col)
{
GetBitContext *gb = &s->gb;
unsigned i, b;
int n1, n2, n3;
for (i = 0; i < s->rows; i++) {
/* b = (x1) + (x2 * 5) + (x3 * 25) */
b = get_bits(gb, 7);
n1 = (mul_3x5[b] & 0x0F) - 2;
n2 = ((mul_3x5[b] >> 4) & 0x0F) - 2;
n3 = ((mul_3x5[b] >> 8) & 0x0F) - 2;
set_pos(s, i++, col, n1);
if (i >= s->rows)
break;
set_pos(s, i++, col, n2);
if (i >= s->rows)
break;
set_pos(s, i, col, n3);
return 0;
| 26,585 |
FFmpeg | ddd7559ad97d3cde401ce096262af6375685ea22 | 1 | static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
MpegEncContext * const s = &h->s;
static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
int level[16];
int zeros_left, coeff_token, total_coeff, i, trailing_ones, run_before;
//FIXME put trailing_onex into the context
if(max_coeff <= 8){
if (max_coeff == 4)
coeff_token = get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
else
coeff_token = get_vlc2(gb, chroma422_dc_coeff_token_vlc.table, CHROMA422_DC_COEFF_TOKEN_VLC_BITS, 1);
total_coeff= coeff_token>>2;
}else{
if(n >= LUMA_DC_BLOCK_INDEX){
total_coeff= pred_non_zero_count(h, (n - LUMA_DC_BLOCK_INDEX)*16);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
}else{
total_coeff= pred_non_zero_count(h, n);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
}
}
h->non_zero_count_cache[ scan8[n] ]= total_coeff;
//FIXME set last_non_zero?
if(total_coeff==0)
return 0;
if(total_coeff > (unsigned)max_coeff) {
av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
return -1;
}
trailing_ones= coeff_token&3;
tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
assert(total_coeff<=16);
i = show_bits(gb, 3);
skip_bits(gb, trailing_ones);
level[0] = 1-((i&4)>>1);
level[1] = 1-((i&2) );
level[2] = 1-((i&1)<<1);
if(trailing_ones<total_coeff) {
int mask, prefix;
int suffix_length = total_coeff > 10 & trailing_ones < 3;
int bitsi= show_bits(gb, LEVEL_TAB_BITS);
int level_code= cavlc_level_tab[suffix_length][bitsi][0];
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
if(level_code >= 100){
prefix= level_code - 100;
if(prefix == LEVEL_TAB_BITS)
prefix += get_level_prefix(gb);
//first coefficient has suffix_length equal to 0 or 1
if(prefix<14){ //FIXME try to build a large unified VLC table for all this
if(suffix_length)
level_code= (prefix<<1) + get_bits1(gb); //part
else
level_code= prefix; //part
}else if(prefix==14){
if(suffix_length)
level_code= (prefix<<1) + get_bits1(gb); //part
else
level_code= prefix + get_bits(gb, 4); //part
}else{
level_code= 30 + get_bits(gb, prefix-3); //part
if(prefix>=16){
if(prefix > 25+3){
av_log(h->s.avctx, AV_LOG_ERROR, "Invalid level prefix\n");
return -1;
}
level_code += (1<<(prefix-3))-4096;
}
}
if(trailing_ones < 3) level_code += 2;
suffix_length = 2;
mask= -(level_code&1);
level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask;
}else{
level_code += ((level_code>>31)|1) & -(trailing_ones < 3);
suffix_length = 1 + (level_code + 3U > 6U);
level[trailing_ones]= level_code;
}
//remaining coefficients have suffix_length > 0
for(i=trailing_ones+1;i<total_coeff;i++) {
static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX };
int bitsi= show_bits(gb, LEVEL_TAB_BITS);
level_code= cavlc_level_tab[suffix_length][bitsi][0];
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
if(level_code >= 100){
prefix= level_code - 100;
if(prefix == LEVEL_TAB_BITS){
prefix += get_level_prefix(gb);
}
if(prefix<15){
level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
}else{
level_code = (15<<suffix_length) + get_bits(gb, prefix-3);
if(prefix>=16)
level_code += (1<<(prefix-3))-4096;
}
mask= -(level_code&1);
level_code= (((2+level_code)>>1) ^ mask) - mask;
}
level[i]= level_code;
suffix_length+= suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length];
}
}
if(total_coeff == max_coeff)
zeros_left=0;
else{
if (max_coeff <= 8) {
if (max_coeff == 4)
zeros_left = get_vlc2(gb, chroma_dc_total_zeros_vlc[total_coeff - 1].table,
CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
else
zeros_left = get_vlc2(gb, chroma422_dc_total_zeros_vlc[total_coeff - 1].table,
CHROMA422_DC_TOTAL_ZEROS_VLC_BITS, 1);
} else {
zeros_left= get_vlc2(gb, total_zeros_vlc[total_coeff - 1].table, TOTAL_ZEROS_VLC_BITS, 1);
}
}
#define STORE_BLOCK(type) \
scantable += zeros_left + total_coeff - 1; \
if(n >= LUMA_DC_BLOCK_INDEX){ \
((type*)block)[*scantable] = level[0]; \
for(i=1;i<total_coeff && zeros_left > 0;i++) { \
if(zeros_left < 7) \
run_before= get_vlc2(gb, run_vlc[zeros_left - 1].table, RUN_VLC_BITS, 1); \
else \
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \
zeros_left -= run_before; \
scantable -= 1 + run_before; \
((type*)block)[*scantable]= level[i]; \
} \
for(;i<total_coeff;i++) { \
scantable--; \
((type*)block)[*scantable]= level[i]; \
} \
}else{ \
((type*)block)[*scantable] = ((int)(level[0] * qmul[*scantable] + 32))>>6; \
for(i=1;i<total_coeff && zeros_left > 0;i++) { \
if(zeros_left < 7) \
run_before= get_vlc2(gb, run_vlc[zeros_left - 1].table, RUN_VLC_BITS, 1); \
else \
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \
zeros_left -= run_before; \
scantable -= 1 + run_before; \
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \
} \
for(;i<total_coeff;i++) { \
scantable--; \
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \
} \
}
if (h->pixel_shift) {
STORE_BLOCK(int32_t)
} else {
STORE_BLOCK(int16_t)
}
if(zeros_left<0){
av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
return 0;
}
| 26,586 |
FFmpeg | d81be0a60a6dea2bc48ec29f9466eee63984ed34 | 1 | static AVFrame *hwmap_get_buffer(AVFilterLink *inlink, int w, int h)
{
AVFilterContext *avctx = inlink->dst;
AVFilterLink *outlink = avctx->outputs[0];
HWMapContext *ctx = avctx->priv;
if (ctx->map_backwards) {
AVFrame *src, *dst;
int err;
src = ff_get_video_buffer(outlink, w, h);
if (!src) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate source "
"frame for software mapping.\n");
return NULL;
}
dst = av_frame_alloc();
if (!dst) {
av_frame_free(&src);
return NULL;
}
err = av_hwframe_map(dst, src, ctx->mode);
if (err) {
av_log(avctx, AV_LOG_ERROR, "Failed to map frame to "
"software: %d.\n", err);
av_frame_free(&src);
av_frame_free(&dst);
return NULL;
}
av_frame_free(&src);
return dst;
} else {
return ff_default_get_video_buffer(inlink, w, h);
}
}
| 26,588 |
FFmpeg | 29b0d94b43ac960cb442049a5d737a3386ff0337 | 1 | static int decode_wdlt(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
const uint8_t *frame_end = frame + width * height;
uint8_t *line_ptr;
int count, i, v, lines, segments;
lines = bytestream_get_le16(&src);
if (lines > height || src >= src_end)
return -1;
while (lines--) {
segments = bytestream_get_le16(&src);
while ((segments & 0xC000) == 0xC000) {
unsigned delta = -((int16_t)segments * width);
if (frame_end - frame <= delta)
return -1;
frame += delta;
segments = bytestream_get_le16(&src);
}
if (segments & 0x8000) {
frame[width - 1] = segments & 0xFF;
segments = bytestream_get_le16(&src);
}
line_ptr = frame;
frame += width;
while (segments--) {
if (src_end - src < 2)
return -1;
if (frame - line_ptr <= *src)
return -1;
line_ptr += *src++;
count = (int8_t)*src++;
if (count >= 0) {
if (frame - line_ptr < count*2 || src_end - src < count*2)
return -1;
bytestream_get_buffer(&src, line_ptr, count*2);
line_ptr += count * 2;
} else {
count = -count;
if (frame - line_ptr < count*2 || src_end - src < 2)
return -1;
v = bytestream_get_le16(&src);
for (i = 0; i < count; i++)
bytestream_put_le16(&line_ptr, v);
}
}
}
return 0;
}
| 26,589 |
FFmpeg | 6526976f0cbb3fa152797b3a15bd634ad14cabe3 | 0 | av_cold void ff_vp8dsp_init_x86(VP8DSPContext* c)
{
mm_flags = mm_support();
#if HAVE_YASM
if (mm_flags & FF_MM_MMX) {
c->vp8_idct_dc_add = ff_vp8_idct_dc_add_mmx;
c->vp8_idct_add = ff_vp8_idct_add_mmx;
c->put_vp8_epel_pixels_tab[0][0][0] =
c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_mmx;
c->put_vp8_epel_pixels_tab[1][0][0] =
c->put_vp8_bilinear_pixels_tab[1][0][0] = ff_put_vp8_pixels8_mmx;
c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_mmx;
c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_mmx;
c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_mmx;
c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_mmx;
c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_mmx;
c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_mmx;
}
/* note that 4-tap width=16 functions are missing because w=16
* is only used for luma, and luma is always a copy or sixtap. */
if (mm_flags & FF_MM_MMX2) {
c->vp8_luma_dc_wht = ff_vp8_luma_dc_wht_mmxext;
VP8_LUMA_MC_FUNC(0, 16, mmxext);
VP8_MC_FUNC(1, 8, mmxext);
VP8_MC_FUNC(2, 4, mmxext);
VP8_BILINEAR_MC_FUNC(0, 16, mmxext);
VP8_BILINEAR_MC_FUNC(1, 8, mmxext);
VP8_BILINEAR_MC_FUNC(2, 4, mmxext);
c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_mmxext;
c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_mmxext;
c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_mmxext;
c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_mmxext;
c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_mmxext;
c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_mmxext;
}
if (mm_flags & FF_MM_SSE) {
c->put_vp8_epel_pixels_tab[0][0][0] =
c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_sse;
}
if (mm_flags & FF_MM_SSE2) {
VP8_LUMA_MC_FUNC(0, 16, sse2);
VP8_MC_FUNC(1, 8, sse2);
VP8_BILINEAR_MC_FUNC(0, 16, sse2);
VP8_BILINEAR_MC_FUNC(1, 8, sse2);
c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_sse2;
c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_sse2;
c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_sse2;
c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_sse2;
c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_sse2;
c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_sse2;
}
if (mm_flags & FF_MM_SSSE3) {
VP8_LUMA_MC_FUNC(0, 16, ssse3);
VP8_MC_FUNC(1, 8, ssse3);
VP8_MC_FUNC(2, 4, ssse3);
VP8_BILINEAR_MC_FUNC(0, 16, ssse3);
VP8_BILINEAR_MC_FUNC(1, 8, ssse3);
VP8_BILINEAR_MC_FUNC(2, 4, ssse3);
}
if (mm_flags & FF_MM_SSE4) {
c->vp8_idct_dc_add = ff_vp8_idct_dc_add_sse4;
}
#endif
}
| 26,590 |
FFmpeg | e1bd40fe6beb74a942b7b0cff2d077750a7e733e | 0 | PIX_SAD(mmxext)
#endif /* HAVE_INLINE_ASM */
av_cold void ff_dsputil_init_pix_mmx(DSPContext *c, AVCodecContext *avctx)
{
#if HAVE_INLINE_ASM
int cpu_flags = av_get_cpu_flags();
if (INLINE_MMX(cpu_flags)) {
c->pix_abs[0][0] = sad16_mmx;
c->pix_abs[0][1] = sad16_x2_mmx;
c->pix_abs[0][2] = sad16_y2_mmx;
c->pix_abs[0][3] = sad16_xy2_mmx;
c->pix_abs[1][0] = sad8_mmx;
c->pix_abs[1][1] = sad8_x2_mmx;
c->pix_abs[1][2] = sad8_y2_mmx;
c->pix_abs[1][3] = sad8_xy2_mmx;
c->sad[0] = sad16_mmx;
c->sad[1] = sad8_mmx;
}
if (INLINE_MMXEXT(cpu_flags)) {
c->pix_abs[0][0] = sad16_mmxext;
c->pix_abs[1][0] = sad8_mmxext;
c->sad[0] = sad16_mmxext;
c->sad[1] = sad8_mmxext;
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
c->pix_abs[0][1] = sad16_x2_mmxext;
c->pix_abs[0][2] = sad16_y2_mmxext;
c->pix_abs[0][3] = sad16_xy2_mmxext;
c->pix_abs[1][1] = sad8_x2_mmxext;
c->pix_abs[1][2] = sad8_y2_mmxext;
c->pix_abs[1][3] = sad8_xy2_mmxext;
}
}
if (INLINE_SSE2(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_3DNOW) && avctx->codec_id != AV_CODEC_ID_SNOW) {
c->sad[0] = sad16_sse2;
}
#endif /* HAVE_INLINE_ASM */
}
| 26,591 |
qemu | f0267ef7115656119bf00ed77857789adc036bda | 0 | void cpu_loop(CPUARMState *env)
{
CPUState *cs = CPU(arm_env_get_cpu(env));
int trapnr;
unsigned int n, insn;
target_siginfo_t info;
uint32_t addr;
for(;;) {
cpu_exec_start(cs);
trapnr = cpu_arm_exec(cs);
cpu_exec_end(cs);
switch(trapnr) {
case EXCP_UDEF:
{
TaskState *ts = cs->opaque;
uint32_t opcode;
int rc;
/* we handle the FPU emulation here, as Linux */
/* we get the opcode */
/* FIXME - what to do if get_user() fails? */
get_user_code_u32(opcode, env->regs[15], env);
rc = EmulateAll(opcode, &ts->fpa, env);
if (rc == 0) { /* illegal instruction */
info.si_signo = TARGET_SIGILL;
info.si_errno = 0;
info.si_code = TARGET_ILL_ILLOPN;
info._sifields._sigfault._addr = env->regs[15];
queue_signal(env, info.si_signo, &info);
} else if (rc < 0) { /* FP exception */
int arm_fpe=0;
/* translate softfloat flags to FPSR flags */
if (-rc & float_flag_invalid)
arm_fpe |= BIT_IOC;
if (-rc & float_flag_divbyzero)
arm_fpe |= BIT_DZC;
if (-rc & float_flag_overflow)
arm_fpe |= BIT_OFC;
if (-rc & float_flag_underflow)
arm_fpe |= BIT_UFC;
if (-rc & float_flag_inexact)
arm_fpe |= BIT_IXC;
FPSR fpsr = ts->fpa.fpsr;
//printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
info.si_signo = TARGET_SIGFPE;
info.si_errno = 0;
/* ordered by priority, least first */
if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
info._sifields._sigfault._addr = env->regs[15];
queue_signal(env, info.si_signo, &info);
} else {
env->regs[15] += 4;
}
/* accumulate unenabled exceptions */
if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
fpsr |= BIT_IXC;
if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
fpsr |= BIT_UFC;
if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
fpsr |= BIT_OFC;
if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
fpsr |= BIT_DZC;
if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
fpsr |= BIT_IOC;
ts->fpa.fpsr=fpsr;
} else { /* everything OK */
/* increment PC */
env->regs[15] += 4;
}
}
break;
case EXCP_SWI:
case EXCP_BKPT:
{
env->eabi = 1;
/* system call */
if (trapnr == EXCP_BKPT) {
if (env->thumb) {
/* FIXME - what to do if get_user() fails? */
get_user_code_u16(insn, env->regs[15], env);
n = insn & 0xff;
env->regs[15] += 2;
} else {
/* FIXME - what to do if get_user() fails? */
get_user_code_u32(insn, env->regs[15], env);
n = (insn & 0xf) | ((insn >> 4) & 0xff0);
env->regs[15] += 4;
}
} else {
if (env->thumb) {
/* FIXME - what to do if get_user() fails? */
get_user_code_u16(insn, env->regs[15] - 2, env);
n = insn & 0xff;
} else {
/* FIXME - what to do if get_user() fails? */
get_user_code_u32(insn, env->regs[15] - 4, env);
n = insn & 0xffffff;
}
}
if (n == ARM_NR_cacheflush) {
/* nop */
} else if (n == ARM_NR_semihosting
|| n == ARM_NR_thumb_semihosting) {
env->regs[0] = do_arm_semihosting (env);
} else if (n == 0 || n >= ARM_SYSCALL_BASE || env->thumb) {
/* linux syscall */
if (env->thumb || n == 0) {
n = env->regs[7];
} else {
n -= ARM_SYSCALL_BASE;
env->eabi = 0;
}
if ( n > ARM_NR_BASE) {
switch (n) {
case ARM_NR_cacheflush:
/* nop */
break;
case ARM_NR_set_tls:
cpu_set_tls(env, env->regs[0]);
env->regs[0] = 0;
break;
case ARM_NR_breakpoint:
env->regs[15] -= env->thumb ? 2 : 4;
goto excp_debug;
default:
gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
n);
env->regs[0] = -TARGET_ENOSYS;
break;
}
} else {
env->regs[0] = do_syscall(env,
n,
env->regs[0],
env->regs[1],
env->regs[2],
env->regs[3],
env->regs[4],
env->regs[5],
0, 0);
}
} else {
goto error;
}
}
break;
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
case EXCP_STREX:
if (!do_strex(env)) {
break;
}
/* fall through for segv */
case EXCP_PREFETCH_ABORT:
case EXCP_DATA_ABORT:
addr = env->exception.vaddress;
{
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = TARGET_SEGV_MAPERR;
info._sifields._sigfault._addr = addr;
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP_DEBUG:
excp_debug:
{
int sig;
sig = gdb_handlesig(cs, TARGET_SIGTRAP);
if (sig)
{
info.si_signo = sig;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
queue_signal(env, info.si_signo, &info);
}
}
break;
case EXCP_KERNEL_TRAP:
if (do_kernel_trap(env))
goto error;
break;
case EXCP_YIELD:
/* nothing to do here for user-mode, just resume guest code */
break;
default:
error:
EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr);
abort();
}
process_pending_signals(env);
}
}
| 26,592 |
qemu | 65e7545ea3c65a6468fb59418a6dbe66ef71d6d1 | 0 | static void sunkbd_event(void *opaque, int ch)
{
ChannelState *s = opaque;
int release = ch & 0x80;
trace_escc_sunkbd_event_in(ch);
switch (ch) {
case 58: // Caps lock press
s->caps_lock_mode ^= 1;
if (s->caps_lock_mode == 2)
return; // Drop second press
break;
case 69: // Num lock press
s->num_lock_mode ^= 1;
if (s->num_lock_mode == 2)
return; // Drop second press
break;
case 186: // Caps lock release
s->caps_lock_mode ^= 2;
if (s->caps_lock_mode == 3)
return; // Drop first release
break;
case 197: // Num lock release
s->num_lock_mode ^= 2;
if (s->num_lock_mode == 3)
return; // Drop first release
break;
case 0xe0:
s->e0_mode = 1;
return;
default:
break;
}
if (s->e0_mode) {
s->e0_mode = 0;
ch = e0_keycodes[ch & 0x7f];
} else {
ch = keycodes[ch & 0x7f];
}
trace_escc_sunkbd_event_out(ch);
put_queue(s, ch | release);
}
| 26,593 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static void omap_pwl_update(struct omap_pwl_s *s)
{
int output = (s->clk && s->enable) ? s->level : 0;
if (output != s->output) {
s->output = output;
printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
}
}
| 26,594 |
qemu | 72cf2d4f0e181d0d3a3122e04129c58a95da713e | 0 | static void free_note_info(struct elf_note_info *info)
{
struct elf_thread_status *ets;
while (!TAILQ_EMPTY(&info->thread_list)) {
ets = TAILQ_FIRST(&info->thread_list);
TAILQ_REMOVE(&info->thread_list, ets, ets_link);
qemu_free(ets);
}
qemu_free(info->prstatus);
qemu_free(info->psinfo);
qemu_free(info->notes);
}
| 26,596 |
qemu | 17e2377abf16c3951d7d34521ceade4d7dc31d01 | 0 | void *get_mmap_addr(unsigned long size)
{
return NULL;
}
| 26,597 |
qemu | cc2212c2f851291929becc3f4fd153d05ca4c54a | 0 | uint32_t HELPER(neon_narrow_sat_s32)(CPUState *env, uint64_t x)
{
if ((int64_t)x != (int32_t)x) {
SET_QC();
return (x >> 63) ^ 0x7fffffff;
}
return x;
}
| 26,598 |
qemu | 29396ed9acfaee9936377ddece4b05452b417861 | 0 | static void amdvi_realize(DeviceState *dev, Error **err)
{
int ret = 0;
AMDVIState *s = AMD_IOMMU_DEVICE(dev);
X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev);
MachineState *ms = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(ms);
PCMachineState *pcms =
PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE));
PCIBus *bus;
if (!pcms) {
error_setg(err, "Machine-type '%s' not supported by amd-iommu",
mc->name);
return;
}
bus = pcms->bus;
s->iotlb = g_hash_table_new_full(amdvi_uint64_hash,
amdvi_uint64_equal, g_free, g_free);
/* This device should take care of IOMMU PCI properties */
x86_iommu->type = TYPE_AMD;
qdev_set_parent_bus(DEVICE(&s->pci), &bus->qbus);
object_property_set_bool(OBJECT(&s->pci), true, "realized", err);
ret = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0,
AMDVI_CAPAB_SIZE, err);
if (ret < 0) {
return;
}
s->capab_offset = ret;
ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_MSI, 0,
AMDVI_CAPAB_REG_SIZE, err);
if (ret < 0) {
return;
}
ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_HT, 0,
AMDVI_CAPAB_REG_SIZE, err);
if (ret < 0) {
return;
}
/* set up MMIO */
memory_region_init_io(&s->mmio, OBJECT(s), &mmio_mem_ops, s, "amdvi-mmio",
AMDVI_MMIO_SIZE);
sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->mmio);
sysbus_mmio_map(SYS_BUS_DEVICE(s), 0, AMDVI_BASE_ADDR);
pci_setup_iommu(bus, amdvi_host_dma_iommu, s);
s->devid = object_property_get_int(OBJECT(&s->pci), "addr", err);
msi_init(&s->pci.dev, 0, 1, true, false, err);
amdvi_init(s);
}
| 26,601 |
FFmpeg | ca16618b01abfde44b4eaf92dc89b01aa1b4a91e | 0 | static int xan_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
XanContext *s = avctx->priv_data;
AVPaletteControl *palette_control = avctx->palctrl;
int keyframe = 0;
if (palette_control->palette_changed) {
/* load the new palette and reset the palette control */
xan_wc3_build_palette(s, palette_control->palette);
/* If pal8 we clear flag when we copy palette */
if (s->avctx->pix_fmt != PIX_FMT_PAL8)
palette_control->palette_changed = 0;
keyframe = 1;
}
if (avctx->get_buffer(avctx, &s->current_frame)) {
av_log(s->avctx, AV_LOG_ERROR, " Xan Video: get_buffer() failed\n");
return -1;
}
s->current_frame.reference = 3;
s->buf = buf;
s->size = buf_size;
if (avctx->codec->id == CODEC_ID_XAN_WC3)
xan_wc3_decode_frame(s);
else if (avctx->codec->id == CODEC_ID_XAN_WC4)
xan_wc4_decode_frame(s);
/* release the last frame if it is allocated */
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
/* shuffle frames */
s->last_frame = s->current_frame;
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->current_frame;
/* always report that the buffer was completely consumed */
return buf_size;
}
| 26,602 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | void helper_rdmsr(void)
{
uint64_t val;
helper_svm_check_intercept_param(SVM_EXIT_MSR, 0);
switch((uint32_t)ECX) {
case MSR_IA32_SYSENTER_CS:
val = env->sysenter_cs;
break;
case MSR_IA32_SYSENTER_ESP:
val = env->sysenter_esp;
break;
case MSR_IA32_SYSENTER_EIP:
val = env->sysenter_eip;
break;
case MSR_IA32_APICBASE:
val = cpu_get_apic_base(env);
break;
case MSR_EFER:
val = env->efer;
break;
case MSR_STAR:
val = env->star;
break;
case MSR_PAT:
val = env->pat;
break;
case MSR_VM_HSAVE_PA:
val = env->vm_hsave;
break;
case MSR_IA32_PERF_STATUS:
/* tsc_increment_by_tick */
val = 1000ULL;
/* CPU multiplier */
val |= (((uint64_t)4ULL) << 40);
break;
#ifdef TARGET_X86_64
case MSR_LSTAR:
val = env->lstar;
break;
case MSR_CSTAR:
val = env->cstar;
break;
case MSR_FMASK:
val = env->fmask;
break;
case MSR_FSBASE:
val = env->segs[R_FS].base;
break;
case MSR_GSBASE:
val = env->segs[R_GS].base;
break;
case MSR_KERNELGSBASE:
val = env->kernelgsbase;
break;
#endif
#ifdef CONFIG_KQEMU
case MSR_QPI_COMMBASE:
if (env->kqemu_enabled) {
val = kqemu_comm_base;
} else {
val = 0;
}
break;
#endif
case MSR_MTRRphysBase(0):
case MSR_MTRRphysBase(1):
case MSR_MTRRphysBase(2):
case MSR_MTRRphysBase(3):
case MSR_MTRRphysBase(4):
case MSR_MTRRphysBase(5):
case MSR_MTRRphysBase(6):
case MSR_MTRRphysBase(7):
val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base;
break;
case MSR_MTRRphysMask(0):
case MSR_MTRRphysMask(1):
case MSR_MTRRphysMask(2):
case MSR_MTRRphysMask(3):
case MSR_MTRRphysMask(4):
case MSR_MTRRphysMask(5):
case MSR_MTRRphysMask(6):
case MSR_MTRRphysMask(7):
val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask;
break;
case MSR_MTRRfix64K_00000:
val = env->mtrr_fixed[0];
break;
case MSR_MTRRfix16K_80000:
case MSR_MTRRfix16K_A0000:
val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1];
break;
case MSR_MTRRfix4K_C0000:
case MSR_MTRRfix4K_C8000:
case MSR_MTRRfix4K_D0000:
case MSR_MTRRfix4K_D8000:
case MSR_MTRRfix4K_E0000:
case MSR_MTRRfix4K_E8000:
case MSR_MTRRfix4K_F0000:
case MSR_MTRRfix4K_F8000:
val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3];
break;
case MSR_MTRRdefType:
val = env->mtrr_deftype;
break;
case MSR_MTRRcap:
if (env->cpuid_features & CPUID_MTRR)
val = MSR_MTRRcap_VCNT | MSR_MTRRcap_FIXRANGE_SUPPORT | MSR_MTRRcap_WC_SUPPORTED;
else
/* XXX: exception ? */
val = 0;
break;
case MSR_MCG_CAP:
val = env->mcg_cap;
break;
case MSR_MCG_CTL:
if (env->mcg_cap & MCG_CTL_P)
val = env->mcg_ctl;
else
val = 0;
break;
case MSR_MCG_STATUS:
val = env->mcg_status;
break;
default:
if ((uint32_t)ECX >= MSR_MC0_CTL
&& (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) {
uint32_t offset = (uint32_t)ECX - MSR_MC0_CTL;
val = env->mce_banks[offset];
break;
}
/* XXX: exception ? */
val = 0;
break;
}
EAX = (uint32_t)(val);
EDX = (uint32_t)(val >> 32);
}
| 26,603 |
qemu | 72cf2d4f0e181d0d3a3122e04129c58a95da713e | 0 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque)
{
struct capture_callback *cb;
for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) {
if (cb->opaque == cb_opaque) {
cb->ops.destroy (cb_opaque);
LIST_REMOVE (cb, entries);
qemu_free (cb);
if (!cap->cb_head.lh_first) {
SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1;
while (sw) {
SWVoiceCap *sc = (SWVoiceCap *) sw;
#ifdef DEBUG_CAPTURE
dolog ("freeing %s\n", sw->name);
#endif
sw1 = sw->entries.le_next;
if (sw->rate) {
st_rate_stop (sw->rate);
sw->rate = NULL;
}
LIST_REMOVE (sw, entries);
LIST_REMOVE (sc, entries);
qemu_free (sc);
sw = sw1;
}
LIST_REMOVE (cap, entries);
qemu_free (cap);
}
return;
}
}
}
| 26,604 |
qemu | ef76dc59fa5203d146a2acf85a0ad5a5971a4824 | 0 | START_TEST(unterminated_dict)
{
QObject *obj = qobject_from_json("{'abc':32");
fail_unless(obj == NULL);
}
| 26,605 |
qemu | e57ca75ce3b2bd33102573a8c0555d62e1bcfceb | 0 | static void spapr_cpu_reset(void *opaque)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
PowerPCCPU *cpu = opaque;
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
cpu_reset(cs);
/* All CPUs start halted. CPU0 is unhalted from the machine level
* reset code and the rest are explicitly started up by the guest
* using an RTAS call */
cs->halted = 1;
env->spr[SPR_HIOR] = 0;
ppc_hash64_set_external_hpt(cpu, spapr->htab, spapr->htab_shift,
&error_fatal);
}
| 26,607 |
qemu | efb9ee024845982a210bfe48a73298846adfe9da | 0 | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type)
{
int is_read = (type == SCSI_REQ_STATUS_RETRY_READ);
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
BlockErrorAction action = bdrv_get_on_error(s->bs, is_read);
if (action == BLOCK_ERR_IGNORE) {
bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read);
return 0;
}
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|| action == BLOCK_ERR_STOP_ANY) {
type &= SCSI_REQ_STATUS_RETRY_TYPE_MASK;
r->status |= SCSI_REQ_STATUS_RETRY | type;
bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read);
vm_stop(VMSTOP_DISKFULL);
} else {
if (type == SCSI_REQ_STATUS_RETRY_READ) {
scsi_req_data(&r->req, 0);
}
if (error == ENOMEM) {
scsi_command_complete(r, CHECK_CONDITION,
SENSE_CODE(TARGET_FAILURE));
} else {
scsi_command_complete(r, CHECK_CONDITION,
SENSE_CODE(IO_ERROR));
}
bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read);
}
return 1;
}
| 26,608 |
qemu | 8297be80f7cf71e09617669a8bd8b2836dcfd4c3 | 0 | void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque)
{
unsigned long size;
struct rlimit rlimit_as;
mapcache = g_malloc0(sizeof (MapCache));
mapcache->phys_offset_to_gaddr = f;
mapcache->opaque = opaque;
qemu_mutex_init(&mapcache->lock);
QTAILQ_INIT(&mapcache->locked_entries);
if (geteuid() == 0) {
rlimit_as.rlim_cur = RLIM_INFINITY;
rlimit_as.rlim_max = RLIM_INFINITY;
mapcache->max_mcache_size = MCACHE_MAX_SIZE;
} else {
getrlimit(RLIMIT_AS, &rlimit_as);
rlimit_as.rlim_cur = rlimit_as.rlim_max;
if (rlimit_as.rlim_max != RLIM_INFINITY) {
fprintf(stderr, "Warning: QEMU's maximum size of virtual"
" memory is not infinity.\n");
}
if (rlimit_as.rlim_max < MCACHE_MAX_SIZE + NON_MCACHE_MEMORY_SIZE) {
mapcache->max_mcache_size = rlimit_as.rlim_max -
NON_MCACHE_MEMORY_SIZE;
} else {
mapcache->max_mcache_size = MCACHE_MAX_SIZE;
}
}
setrlimit(RLIMIT_AS, &rlimit_as);
mapcache->nr_buckets =
(((mapcache->max_mcache_size >> XC_PAGE_SHIFT) +
(1UL << (MCACHE_BUCKET_SHIFT - XC_PAGE_SHIFT)) - 1) >>
(MCACHE_BUCKET_SHIFT - XC_PAGE_SHIFT));
size = mapcache->nr_buckets * sizeof (MapCacheEntry);
size = (size + XC_PAGE_SIZE - 1) & ~(XC_PAGE_SIZE - 1);
DPRINTF("%s, nr_buckets = %lx size %lu\n", __func__,
mapcache->nr_buckets, size);
mapcache->entry = g_malloc0(size);
}
| 26,609 |
FFmpeg | 195784ec95266c69c111f1e977fd4cf4815c6d8d | 0 | static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
{
LibOpenJPEGContext *ctx = avctx->priv_data;
int err = 0;
opj_set_default_encoder_parameters(&ctx->enc_params);
#if HAVE_OPENJPEG_2_1_OPENJPEG_H
switch (ctx->cinema_mode) {
case OPJ_CINEMA2K_24:
ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
ctx->enc_params.max_cs_size = OPJ_CINEMA_24_CS;
ctx->enc_params.max_comp_size = OPJ_CINEMA_24_COMP;
break;
case OPJ_CINEMA2K_48:
ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
ctx->enc_params.max_cs_size = OPJ_CINEMA_48_CS;
ctx->enc_params.max_comp_size = OPJ_CINEMA_48_COMP;
break;
case OPJ_CINEMA4K_24:
ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_4K;
ctx->enc_params.max_cs_size = OPJ_CINEMA_24_CS;
ctx->enc_params.max_comp_size = OPJ_CINEMA_24_COMP;
break;
}
switch (ctx->profile) {
case OPJ_CINEMA2K:
if (ctx->enc_params.rsiz == OPJ_PROFILE_CINEMA_4K) {
err = AVERROR(EINVAL);
break;
}
ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
break;
case OPJ_CINEMA4K:
if (ctx->enc_params.rsiz == OPJ_PROFILE_CINEMA_2K) {
err = AVERROR(EINVAL);
break;
}
ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_4K;
break;
}
if (err) {
av_log(avctx, AV_LOG_ERROR,
"Invalid parameter pairing: cinema_mode and profile conflict.\n");
goto fail;
}
#else
ctx->enc_params.cp_rsiz = ctx->profile;
ctx->enc_params.cp_cinema = ctx->cinema_mode;
#endif
if (!ctx->numresolution) {
ctx->numresolution = 6;
while (FFMIN(avctx->width, avctx->height) >> ctx->numresolution < 1)
ctx->numresolution --;
}
ctx->enc_params.mode = !!avctx->global_quality;
ctx->enc_params.prog_order = ctx->prog_order;
ctx->enc_params.numresolution = ctx->numresolution;
ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
ctx->enc_params.tcp_numlayers = ctx->numlayers;
ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;
if (ctx->cinema_mode > 0) {
cinema_parameters(&ctx->enc_params);
}
#if OPENJPEG_MAJOR_VERSION == 1
ctx->image = mj2_create_image(avctx, &ctx->enc_params);
if (!ctx->image) {
av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
err = AVERROR(EINVAL);
goto fail;
}
#endif // OPENJPEG_MAJOR_VERSION == 1
return 0;
fail:
#if OPENJPEG_MAJOR_VERSION == 1
opj_image_destroy(ctx->image);
ctx->image = NULL;
#endif // OPENJPEG_MAJOR_VERSION == 1
return err;
}
| 26,610 |
FFmpeg | ef4c71e8f83a46fb31a11f0a066efb90821c579f | 0 | static void init_filter_param(AVFilterContext *ctx, FilterParam *fp, const char *effect_type, int width)
{
int z;
const char *effect;
effect = fp->amount == 0 ? "none" : fp->amount < 0 ? "blur" : "sharpen";
av_log(ctx, AV_LOG_VERBOSE, "effect:%s type:%s msize_x:%d msize_y:%d amount:%0.2f\n",
effect, effect_type, fp->msize_x, fp->msize_y, fp->amount / 65535.0);
for (z = 0; z < 2 * fp->steps_y; z++)
fp->sc[z] = av_malloc(sizeof(*(fp->sc[z])) * (width + 2 * fp->steps_x));
}
| 26,611 |
FFmpeg | 5df703aa1b03814e9cd216ab703501481166b3bb | 0 | static inline void FUNC(idctRowCondDC_extrashift)(int16_t *row, int extra_shift)
#else
static inline void FUNC(idctRowCondDC)(int16_t *row, int extra_shift)
#endif
{
int a0, a1, a2, a3, b0, b1, b2, b3;
#if HAVE_FAST_64BIT
#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
if (((((uint64_t *)row)[0] & ~ROW0_MASK) | ((uint64_t *)row)[1]) == 0) {
uint64_t temp;
if (DC_SHIFT - extra_shift >= 0) {
temp = (row[0] * (1 << (DC_SHIFT - extra_shift))) & 0xffff;
} else {
temp = ((row[0] + (1<<(extra_shift - DC_SHIFT-1))) >> (extra_shift - DC_SHIFT)) & 0xffff;
}
temp += temp * (1 << 16);
temp += temp * ((uint64_t) 1 << 32);
((uint64_t *)row)[0] = temp;
((uint64_t *)row)[1] = temp;
return;
}
#else
if (!(((uint32_t*)row)[1] |
((uint32_t*)row)[2] |
((uint32_t*)row)[3] |
row[1])) {
uint32_t temp;
if (DC_SHIFT - extra_shift >= 0) {
temp = (row[0] * (1 << (DC_SHIFT - extra_shift))) & 0xffff;
} else {
temp = ((row[0] + (1<<(extra_shift - DC_SHIFT-1))) >> (extra_shift - DC_SHIFT)) & 0xffff;
}
temp += temp * (1 << 16);
((uint32_t*)row)[0]=((uint32_t*)row)[1] =
((uint32_t*)row)[2]=((uint32_t*)row)[3] = temp;
return;
}
#endif
a0 = (W4 * row[0]) + (1 << (ROW_SHIFT + extra_shift - 1));
a1 = a0;
a2 = a0;
a3 = a0;
a0 += W2 * row[2];
a1 += W6 * row[2];
a2 -= W6 * row[2];
a3 -= W2 * row[2];
b0 = MUL(W1, row[1]);
MAC(b0, W3, row[3]);
b1 = MUL(W3, row[1]);
MAC(b1, -W7, row[3]);
b2 = MUL(W5, row[1]);
MAC(b2, -W1, row[3]);
b3 = MUL(W7, row[1]);
MAC(b3, -W5, row[3]);
if (AV_RN64A(row + 4)) {
a0 += W4*row[4] + W6*row[6];
a1 += - W4*row[4] - W2*row[6];
a2 += - W4*row[4] + W2*row[6];
a3 += W4*row[4] - W6*row[6];
MAC(b0, W5, row[5]);
MAC(b0, W7, row[7]);
MAC(b1, -W1, row[5]);
MAC(b1, -W5, row[7]);
MAC(b2, W7, row[5]);
MAC(b2, W3, row[7]);
MAC(b3, W3, row[5]);
MAC(b3, -W1, row[7]);
}
row[0] = (a0 + b0) >> (ROW_SHIFT + extra_shift);
row[7] = (a0 - b0) >> (ROW_SHIFT + extra_shift);
row[1] = (a1 + b1) >> (ROW_SHIFT + extra_shift);
row[6] = (a1 - b1) >> (ROW_SHIFT + extra_shift);
row[2] = (a2 + b2) >> (ROW_SHIFT + extra_shift);
row[5] = (a2 - b2) >> (ROW_SHIFT + extra_shift);
row[3] = (a3 + b3) >> (ROW_SHIFT + extra_shift);
row[4] = (a3 - b3) >> (ROW_SHIFT + extra_shift);
}
| 26,612 |
FFmpeg | 9888ffb1ce5e0a17f711b01933d504c72ea29d3b | 0 | static int mov_read_stco(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
MOVStreamContext *sc;
unsigned int i, entries;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
sc = st->priv_data;
avio_r8(pb); /* version */
avio_rb24(pb); /* flags */
entries = avio_rb32(pb);
if (!entries)
return 0;
if (entries >= UINT_MAX/sizeof(int64_t))
return AVERROR_INVALIDDATA;
sc->chunk_offsets = av_malloc(entries * sizeof(int64_t));
if (!sc->chunk_offsets)
return AVERROR(ENOMEM);
sc->chunk_count = entries;
if (atom.type == MKTAG('s','t','c','o'))
for (i=0; i<entries; i++)
sc->chunk_offsets[i] = avio_rb32(pb);
else if (atom.type == MKTAG('c','o','6','4'))
for (i=0; i<entries; i++)
sc->chunk_offsets[i] = avio_rb64(pb);
else
return AVERROR_INVALIDDATA;
return 0;
}
| 26,613 |
FFmpeg | 3faa303a47e0c3b59a53988e0f76018930c6cb1a | 0 | static inline void decode_subblock(DCTELEM *dst, int code, const int is_block2, GetBitContext *gb, VLC *vlc, int q)
{
int coeffs[4];
coeffs[0] = modulo_three_table[code][0];
coeffs[1] = modulo_three_table[code][1];
coeffs[2] = modulo_three_table[code][2];
coeffs[3] = modulo_three_table[code][3];
decode_coeff(dst , coeffs[0], 3, gb, vlc, q);
if(is_block2){
decode_coeff(dst+8, coeffs[1], 2, gb, vlc, q);
decode_coeff(dst+1, coeffs[2], 2, gb, vlc, q);
}else{
decode_coeff(dst+1, coeffs[1], 2, gb, vlc, q);
decode_coeff(dst+8, coeffs[2], 2, gb, vlc, q);
}
decode_coeff(dst+9, coeffs[3], 2, gb, vlc, q);
}
| 26,615 |
qemu | 5e5a94b60518002e8ecc7afa78a9e7565b23e38f | 1 | static int coroutine_fn bdrv_aligned_pwritev(BlockDriverState *bs,
BdrvTrackedRequest *req, int64_t offset, unsigned int bytes,
QEMUIOVector *qiov, int flags)
{
BlockDriver *drv = bs->drv;
bool waited;
int ret;
int64_t sector_num = offset >> BDRV_SECTOR_BITS;
unsigned int nb_sectors = bytes >> BDRV_SECTOR_BITS;
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
assert(!qiov || bytes == qiov->size);
waited = wait_serialising_requests(req);
assert(!waited || !req->serialising);
assert(req->overlap_offset <= offset);
assert(offset + bytes <= req->overlap_offset + req->overlap_bytes);
ret = notifier_with_return_list_notify(&bs->before_write_notifiers, req);
if (!ret && bs->detect_zeroes != BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF &&
!(flags & BDRV_REQ_ZERO_WRITE) && drv->bdrv_co_write_zeroes &&
qemu_iovec_is_zero(qiov)) {
flags |= BDRV_REQ_ZERO_WRITE;
if (bs->detect_zeroes == BLOCKDEV_DETECT_ZEROES_OPTIONS_UNMAP) {
flags |= BDRV_REQ_MAY_UNMAP;
}
}
if (ret < 0) {
/* Do nothing, write notifier decided to fail this request */
} else if (flags & BDRV_REQ_ZERO_WRITE) {
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_ZERO);
ret = bdrv_co_do_write_zeroes(bs, sector_num, nb_sectors, flags);
} else {
BLKDBG_EVENT(bs, BLKDBG_PWRITEV);
ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, qiov);
}
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_DONE);
if (ret == 0 && !bs->enable_write_cache) {
ret = bdrv_co_flush(bs);
}
bdrv_set_dirty(bs, sector_num, nb_sectors);
if (bs->stats.wr_highest_sector < sector_num + nb_sectors - 1) {
bs->stats.wr_highest_sector = sector_num + nb_sectors - 1;
}
if (bs->growable && ret >= 0) {
bs->total_sectors = MAX(bs->total_sectors, sector_num + nb_sectors);
}
return ret;
}
| 26,617 |
FFmpeg | fdbc544d29176ba69d67dd879df4696f0a19052e | 1 | static int process_metadata(AVFormatContext *s, uint8_t *name, uint16_t name_len,
uint16_t val_len, uint16_t type, AVDictionary **met)
{
int ret;
ff_asf_guid guid;
if (val_len) {
switch (type) {
case ASF_UNICODE:
asf_read_value(s, name, name_len, val_len, type, met);
break;
case ASF_BYTE_ARRAY:
if (!strcmp(name, "WM/Picture")) // handle cover art
asf_read_picture(s, val_len);
else if (!strcmp(name, "ID3")) // handle ID3 tag
get_id3_tag(s, val_len);
else
asf_read_value(s, name, name_len, val_len, type, met);
break;
case ASF_GUID:
ff_get_guid(s->pb, &guid);
break;
default:
if ((ret = asf_read_generic_value(s, name, name_len, type, met)) < 0)
return ret;
break;
}
}
av_freep(&name);
return 0;
}
| 26,618 |
qemu | a79b5f8b80890b402fdb0733b0a073695a7875b5 | 1 | static V9fsSynthNode *v9fs_add_dir_node(V9fsSynthNode *parent, int mode,
const char *name,
V9fsSynthNodeAttr *attr, int inode)
{
V9fsSynthNode *node;
/* Add directory type and remove write bits */
mode = ((mode & 0777) | S_IFDIR) & ~(S_IWUSR | S_IWGRP | S_IWOTH);
node = g_malloc0(sizeof(V9fsSynthNode));
if (attr) {
/* We are adding .. or . entries */
node->attr = attr;
node->attr->nlink++;
} else {
node->attr = &node->actual_attr;
node->attr->inode = inode;
node->attr->nlink = 1;
/* We don't allow write to directories */
node->attr->mode = mode;
node->attr->write = NULL;
node->attr->read = NULL;
}
node->private = node;
strncpy(node->name, name, sizeof(node->name));
QLIST_INSERT_HEAD_RCU(&parent->child, node, sibling);
return node;
}
| 26,621 |
FFmpeg | 86736f59d6a527d8bc807d09b93f971c0fe0bb07 | 0 | static void add_bytes_l2_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
{
long i;
for (i = 0; i <= w - sizeof(long); i += sizeof(long)) {
long a = *(long *)(src1 + i);
long b = *(long *)(src2 + i);
*(long *)(dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
}
for (; i < w; i++)
dst[i] = src1[i] + src2[i];
}
| 26,622 |
qemu | 7f64f8e2c3c5a02636c2a6b8d6e6c5f7a62b89f7 | 1 | static int scsi_disk_emulate_command(SCSIDiskReq *r)
{
SCSIRequest *req = &r->req;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
uint64_t nb_sectors;
uint8_t *outbuf;
int buflen = 0;
if (!r->iov.iov_base) {
/*
* FIXME: we shouldn't return anything bigger than 4k, but the code
* requires the buffer to be as big as req->cmd.xfer in several
* places. So, do not allow CDBs with a very large ALLOCATION
* LENGTH. The real fix would be to modify scsi_read_data and
* dma_buf_read, so that they return data beyond the buflen
* as all zeros.
*/
if (req->cmd.xfer > 65536) {
goto illegal_request;
}
r->buflen = MAX(4096, req->cmd.xfer);
r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen);
}
outbuf = r->iov.iov_base;
switch (req->cmd.buf[0]) {
case TEST_UNIT_READY:
assert(!s->tray_open && bdrv_is_inserted(s->qdev.conf.bs));
break;
case INQUIRY:
buflen = scsi_disk_emulate_inquiry(req, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case MODE_SENSE:
case MODE_SENSE_10:
buflen = scsi_disk_emulate_mode_sense(r, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case READ_TOC:
buflen = scsi_disk_emulate_read_toc(req, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case RESERVE:
if (req->cmd.buf[1] & 1) {
goto illegal_request;
}
break;
case RESERVE_10:
if (req->cmd.buf[1] & 3) {
goto illegal_request;
}
break;
case RELEASE:
if (req->cmd.buf[1] & 1) {
goto illegal_request;
}
break;
case RELEASE_10:
if (req->cmd.buf[1] & 3) {
goto illegal_request;
}
break;
case START_STOP:
if (scsi_disk_emulate_start_stop(r) < 0) {
return -1;
}
break;
case ALLOW_MEDIUM_REMOVAL:
s->tray_locked = req->cmd.buf[4] & 1;
bdrv_lock_medium(s->qdev.conf.bs, req->cmd.buf[4] & 1);
break;
case READ_CAPACITY_10:
/* The normal LEN field for this command is zero. */
memset(outbuf, 0, 8);
bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
if (!nb_sectors) {
scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY));
return -1;
}
if ((req->cmd.buf[8] & 1) == 0 && req->cmd.lba) {
goto illegal_request;
}
nb_sectors /= s->qdev.blocksize / 512;
/* Returned value is the address of the last sector. */
nb_sectors--;
/* Remember the new size for read/write sanity checking. */
s->qdev.max_lba = nb_sectors;
/* Clip to 2TB, instead of returning capacity modulo 2TB. */
if (nb_sectors > UINT32_MAX) {
nb_sectors = UINT32_MAX;
}
outbuf[0] = (nb_sectors >> 24) & 0xff;
outbuf[1] = (nb_sectors >> 16) & 0xff;
outbuf[2] = (nb_sectors >> 8) & 0xff;
outbuf[3] = nb_sectors & 0xff;
outbuf[4] = 0;
outbuf[5] = 0;
outbuf[6] = s->qdev.blocksize >> 8;
outbuf[7] = 0;
buflen = 8;
break;
case REQUEST_SENSE:
/* Just return "NO SENSE". */
buflen = scsi_build_sense(NULL, 0, outbuf, r->buflen,
(req->cmd.buf[1] & 1) == 0);
break;
case MECHANISM_STATUS:
buflen = scsi_emulate_mechanism_status(s, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case GET_CONFIGURATION:
buflen = scsi_get_configuration(s, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case GET_EVENT_STATUS_NOTIFICATION:
buflen = scsi_get_event_status_notification(s, r, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case READ_DVD_STRUCTURE:
buflen = scsi_read_dvd_structure(s, r, outbuf);
if (buflen < 0) {
goto illegal_request;
}
break;
case SERVICE_ACTION_IN_16:
/* Service Action In subcommands. */
if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) {
DPRINTF("SAI READ CAPACITY(16)\n");
memset(outbuf, 0, req->cmd.xfer);
bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
if (!nb_sectors) {
scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY));
return -1;
}
if ((req->cmd.buf[14] & 1) == 0 && req->cmd.lba) {
goto illegal_request;
}
nb_sectors /= s->qdev.blocksize / 512;
/* Returned value is the address of the last sector. */
nb_sectors--;
/* Remember the new size for read/write sanity checking. */
s->qdev.max_lba = nb_sectors;
outbuf[0] = (nb_sectors >> 56) & 0xff;
outbuf[1] = (nb_sectors >> 48) & 0xff;
outbuf[2] = (nb_sectors >> 40) & 0xff;
outbuf[3] = (nb_sectors >> 32) & 0xff;
outbuf[4] = (nb_sectors >> 24) & 0xff;
outbuf[5] = (nb_sectors >> 16) & 0xff;
outbuf[6] = (nb_sectors >> 8) & 0xff;
outbuf[7] = nb_sectors & 0xff;
outbuf[8] = 0;
outbuf[9] = 0;
outbuf[10] = s->qdev.blocksize >> 8;
outbuf[11] = 0;
outbuf[12] = 0;
outbuf[13] = get_physical_block_exp(&s->qdev.conf);
/* set TPE bit if the format supports discard */
if (s->qdev.conf.discard_granularity) {
outbuf[14] = 0x80;
}
/* Protection, exponent and lowest lba field left blank. */
buflen = req->cmd.xfer;
break;
}
DPRINTF("Unsupported Service Action In\n");
goto illegal_request;
case VERIFY_10:
break;
default:
scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE));
return -1;
}
buflen = MIN(buflen, req->cmd.xfer);
return buflen;
illegal_request:
if (r->req.status == -1) {
scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
}
return -1;
}
| 26,623 |
qemu | 3ae59580a0db469c1de72d5c58266b08fb096056 | 1 | static void bdrv_delete(BlockDriverState *bs)
{
assert(!bs->dev);
assert(!bs->job);
assert(bdrv_op_blocker_is_empty(bs));
assert(!bs->refcnt);
assert(QLIST_EMPTY(&bs->dirty_bitmaps));
bdrv_close(bs);
/* remove from list, if necessary */
bdrv_make_anon(bs);
g_free(bs);
} | 26,624 |
qemu | 302a0d3ed721e4c30c6a2a37f64c60b50ffd33b9 | 1 | static void v9fs_write(void *opaque)
{
int cnt;
ssize_t err;
int32_t fid;
int64_t off;
int32_t count;
int32_t len = 0;
int32_t total = 0;
size_t offset = 7;
V9fsFidState *fidp;
struct iovec iov[128]; /* FIXME: bad, bad, bad */
struct iovec *sg = iov;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dqdv", &fid, &off, &count, sg, &cnt);
trace_v9fs_write(pdu->tag, pdu->id, fid, off, count, cnt);
fidp = get_fid(pdu, fid);
if (fidp == NULL) {
err = -EINVAL;
goto out_nofid;
}
if (fidp->fid_type == P9_FID_FILE) {
if (fidp->fs.fd == -1) {
err = -EINVAL;
goto out;
}
} else if (fidp->fid_type == P9_FID_XATTR) {
/*
* setxattr operation
*/
err = v9fs_xattr_write(s, pdu, fidp, off, count, sg, cnt);
goto out;
} else {
err = -EINVAL;
goto out;
}
sg = cap_sg(sg, count, &cnt);
do {
if (0) {
print_sg(sg, cnt);
}
/* Loop in case of EINTR */
do {
len = v9fs_co_pwritev(pdu, fidp, sg, cnt, off);
if (len >= 0) {
off += len;
total += len;
}
} while (len == -EINTR && !pdu->cancelled);
if (len < 0) {
/* IO error return the error */
err = len;
goto out;
}
sg = adjust_sg(sg, len, &cnt);
} while (total < count && len > 0);
offset += pdu_marshal(pdu, offset, "d", total);
err = offset;
trace_v9fs_write_return(pdu->tag, pdu->id, total, err);
out:
put_fid(pdu, fidp);
out_nofid:
complete_pdu(s, pdu, err);
}
| 26,625 |
FFmpeg | fed50c4304eecb352e29ce789cdb96ea84d6162f | 1 | void av_set_cpu_flags_mask(int mask)
{
cpu_flags = get_cpu_flags() & mask;
}
| 26,626 |
FFmpeg | 21d8c6612fcec630785af5c0ae087d0393bb2a8e | 1 | static int decode_header_trees(SmackVContext *smk) {
GetBitContext gb;
int mmap_size, mclr_size, full_size, type_size, ret;
mmap_size = AV_RL32(smk->avctx->extradata);
mclr_size = AV_RL32(smk->avctx->extradata + 4);
full_size = AV_RL32(smk->avctx->extradata + 8);
type_size = AV_RL32(smk->avctx->extradata + 12);
init_get_bits8(&gb, smk->avctx->extradata + 16, smk->avctx->extradata_size - 16);
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n");
smk->mmap_tbl = av_malloc(sizeof(int) * 2);
if (!smk->mmap_tbl)
return AVERROR(ENOMEM);
smk->mmap_tbl[0] = 0;
smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1;
} else {
ret = smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size);
if (ret < 0)
return ret;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n");
smk->mclr_tbl = av_malloc(sizeof(int) * 2);
if (!smk->mclr_tbl)
return AVERROR(ENOMEM);
smk->mclr_tbl[0] = 0;
smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1;
} else {
ret = smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size);
if (ret < 0)
return ret;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n");
smk->full_tbl = av_malloc(sizeof(int) * 2);
if (!smk->full_tbl)
return AVERROR(ENOMEM);
smk->full_tbl[0] = 0;
smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1;
} else {
ret = smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size);
if (ret < 0)
return ret;
}
if(!get_bits1(&gb)) {
av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n");
smk->type_tbl = av_malloc(sizeof(int) * 2);
if (!smk->type_tbl)
return AVERROR(ENOMEM);
smk->type_tbl[0] = 0;
smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1;
} else {
ret = smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size);
if (ret < 0)
return ret;
}
return 0;
}
| 26,627 |
qemu | 164a101f28a53cd3db60ed874e7c3630e7988ed8 | 1 | void aio_set_fd_handler(AioContext *ctx,
int fd,
IOHandler *io_read,
IOHandler *io_write,
AioFlushHandler *io_flush,
void *opaque)
{
AioHandler *node;
node = find_aio_handler(ctx, fd);
/* Are we deleting the fd handler? */
if (!io_read && !io_write) {
if (node) {
g_source_remove_poll(&ctx->source, &node->pfd);
/* If the lock is held, just mark the node as deleted */
if (ctx->walking_handlers) {
node->deleted = 1;
node->pfd.revents = 0;
} else {
/* Otherwise, delete it for real. We can't just mark it as
* deleted because deleted nodes are only cleaned up after
* releasing the walking_handlers lock.
*/
QLIST_REMOVE(node, node);
g_free(node);
}
}
} else {
if (node == NULL) {
/* Alloc and insert if it's not already there */
node = g_malloc0(sizeof(AioHandler));
node->pfd.fd = fd;
QLIST_INSERT_HEAD(&ctx->aio_handlers, node, node);
g_source_add_poll(&ctx->source, &node->pfd);
}
/* Update handler with latest information */
node->io_read = io_read;
node->io_write = io_write;
node->io_flush = io_flush;
node->opaque = opaque;
node->pollfds_idx = -1;
node->pfd.events = (io_read ? G_IO_IN | G_IO_HUP | G_IO_ERR : 0);
node->pfd.events |= (io_write ? G_IO_OUT | G_IO_ERR : 0);
}
aio_notify(ctx);
}
| 26,628 |
FFmpeg | 6dfffe92004dfd8c79d18791f28a2b1c7e387845 | 0 | av_cold static int auto_matrix(SwrContext *s)
{
int i, j, out_i;
double matrix[64][64]={{0}};
int64_t unaccounted, in_ch_layout, out_ch_layout;
double maxcoef=0;
char buf[128];
const int matrix_encoding = s->matrix_encoding;
float maxval;
in_ch_layout = clean_layout(s, s->in_ch_layout);
if(!sane_layout(in_ch_layout)){
av_get_channel_layout_string(buf, sizeof(buf), -1, s->in_ch_layout);
av_log(s, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);
return AVERROR(EINVAL);
}
out_ch_layout = clean_layout(s, s->out_ch_layout);
if(!sane_layout(out_ch_layout)){
av_get_channel_layout_string(buf, sizeof(buf), -1, s->out_ch_layout);
av_log(s, AV_LOG_ERROR, "Output channel layout '%s' is not supported\n", buf);
return AVERROR(EINVAL);
}
memset(s->matrix, 0, sizeof(s->matrix));
for(i=0; i<64; i++){
if(in_ch_layout & out_ch_layout & (1ULL<<i))
matrix[i][i]= 1.0;
}
unaccounted= in_ch_layout & ~out_ch_layout;
//FIXME implement dolby surround
//FIXME implement full ac3
if(unaccounted & AV_CH_FRONT_CENTER){
if((out_ch_layout & AV_CH_LAYOUT_STEREO) == AV_CH_LAYOUT_STEREO){
if(in_ch_layout & AV_CH_LAYOUT_STEREO) {
matrix[ FRONT_LEFT][FRONT_CENTER]+= s->clev;
matrix[FRONT_RIGHT][FRONT_CENTER]+= s->clev;
} else {
matrix[ FRONT_LEFT][FRONT_CENTER]+= M_SQRT1_2;
matrix[FRONT_RIGHT][FRONT_CENTER]+= M_SQRT1_2;
}
}else
av_assert0(0);
}
if(unaccounted & AV_CH_LAYOUT_STEREO){
if(out_ch_layout & AV_CH_FRONT_CENTER){
matrix[FRONT_CENTER][ FRONT_LEFT]+= M_SQRT1_2;
matrix[FRONT_CENTER][FRONT_RIGHT]+= M_SQRT1_2;
if(in_ch_layout & AV_CH_FRONT_CENTER)
matrix[FRONT_CENTER][ FRONT_CENTER] = s->clev*sqrt(2);
}else
av_assert0(0);
}
if(unaccounted & AV_CH_BACK_CENTER){
if(out_ch_layout & AV_CH_BACK_LEFT){
matrix[ BACK_LEFT][BACK_CENTER]+= M_SQRT1_2;
matrix[BACK_RIGHT][BACK_CENTER]+= M_SQRT1_2;
}else if(out_ch_layout & AV_CH_SIDE_LEFT){
matrix[ SIDE_LEFT][BACK_CENTER]+= M_SQRT1_2;
matrix[SIDE_RIGHT][BACK_CENTER]+= M_SQRT1_2;
}else if(out_ch_layout & AV_CH_FRONT_LEFT){
if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY ||
matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
if (unaccounted & (AV_CH_BACK_LEFT | AV_CH_SIDE_LEFT)) {
matrix[FRONT_LEFT ][BACK_CENTER] -= s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_CENTER] += s->slev * M_SQRT1_2;
} else {
matrix[FRONT_LEFT ][BACK_CENTER] -= s->slev;
matrix[FRONT_RIGHT][BACK_CENTER] += s->slev;
}
} else {
matrix[ FRONT_LEFT][BACK_CENTER]+= s->slev*M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_CENTER]+= s->slev*M_SQRT1_2;
}
}else if(out_ch_layout & AV_CH_FRONT_CENTER){
matrix[ FRONT_CENTER][BACK_CENTER]+= s->slev*M_SQRT1_2;
}else
av_assert0(0);
}
if(unaccounted & AV_CH_BACK_LEFT){
if(out_ch_layout & AV_CH_BACK_CENTER){
matrix[BACK_CENTER][ BACK_LEFT]+= M_SQRT1_2;
matrix[BACK_CENTER][BACK_RIGHT]+= M_SQRT1_2;
}else if(out_ch_layout & AV_CH_SIDE_LEFT){
if(in_ch_layout & AV_CH_SIDE_LEFT){
matrix[ SIDE_LEFT][ BACK_LEFT]+= M_SQRT1_2;
matrix[SIDE_RIGHT][BACK_RIGHT]+= M_SQRT1_2;
}else{
matrix[ SIDE_LEFT][ BACK_LEFT]+= 1.0;
matrix[SIDE_RIGHT][BACK_RIGHT]+= 1.0;
}
}else if(out_ch_layout & AV_CH_FRONT_LEFT){
if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
matrix[FRONT_LEFT ][BACK_LEFT ] -= s->slev * M_SQRT1_2;
matrix[FRONT_LEFT ][BACK_RIGHT] -= s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_LEFT ] += s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev * M_SQRT1_2;
} else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
matrix[FRONT_LEFT ][BACK_LEFT ] -= s->slev * SQRT3_2;
matrix[FRONT_LEFT ][BACK_RIGHT] -= s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_LEFT ] += s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev * SQRT3_2;
} else {
matrix[ FRONT_LEFT][ BACK_LEFT] += s->slev;
matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev;
}
}else if(out_ch_layout & AV_CH_FRONT_CENTER){
matrix[ FRONT_CENTER][BACK_LEFT ]+= s->slev*M_SQRT1_2;
matrix[ FRONT_CENTER][BACK_RIGHT]+= s->slev*M_SQRT1_2;
}else
av_assert0(0);
}
if(unaccounted & AV_CH_SIDE_LEFT){
if(out_ch_layout & AV_CH_BACK_LEFT){
/* if back channels do not exist in the input, just copy side
channels to back channels, otherwise mix side into back */
if (in_ch_layout & AV_CH_BACK_LEFT) {
matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
} else {
matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
}
}else if(out_ch_layout & AV_CH_BACK_CENTER){
matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
}else if(out_ch_layout & AV_CH_FRONT_LEFT){
if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
matrix[FRONT_LEFT ][SIDE_LEFT ] -= s->slev * M_SQRT1_2;
matrix[FRONT_LEFT ][SIDE_RIGHT] -= s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][SIDE_LEFT ] += s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev * M_SQRT1_2;
} else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
matrix[FRONT_LEFT ][SIDE_LEFT ] -= s->slev * SQRT3_2;
matrix[FRONT_LEFT ][SIDE_RIGHT] -= s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][SIDE_LEFT ] += s->slev * M_SQRT1_2;
matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev * SQRT3_2;
} else {
matrix[ FRONT_LEFT][ SIDE_LEFT] += s->slev;
matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev;
}
}else if(out_ch_layout & AV_CH_FRONT_CENTER){
matrix[ FRONT_CENTER][SIDE_LEFT ]+= s->slev*M_SQRT1_2;
matrix[ FRONT_CENTER][SIDE_RIGHT]+= s->slev*M_SQRT1_2;
}else
av_assert0(0);
}
if(unaccounted & AV_CH_FRONT_LEFT_OF_CENTER){
if(out_ch_layout & AV_CH_FRONT_LEFT){
matrix[ FRONT_LEFT][ FRONT_LEFT_OF_CENTER]+= 1.0;
matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
}else if(out_ch_layout & AV_CH_FRONT_CENTER){
matrix[ FRONT_CENTER][ FRONT_LEFT_OF_CENTER]+= M_SQRT1_2;
matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;
}else
av_assert0(0);
}
/* mix LFE into front left/right or center */
if (unaccounted & AV_CH_LOW_FREQUENCY) {
if (out_ch_layout & AV_CH_FRONT_CENTER) {
matrix[FRONT_CENTER][LOW_FREQUENCY] += s->lfe_mix_level;
} else if (out_ch_layout & AV_CH_FRONT_LEFT) {
matrix[FRONT_LEFT ][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
matrix[FRONT_RIGHT][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
} else
av_assert0(0);
}
for(out_i=i=0; i<64; i++){
double sum=0;
int in_i=0;
for(j=0; j<64; j++){
s->matrix[out_i][in_i]= matrix[i][j];
if(matrix[i][j]){
sum += fabs(matrix[i][j]);
}
if(in_ch_layout & (1ULL<<j))
in_i++;
}
maxcoef= FFMAX(maxcoef, sum);
if(out_ch_layout & (1ULL<<i))
out_i++;
}
if(s->rematrix_volume < 0)
maxcoef = -s->rematrix_volume;
if (s->rematrix_maxval > 0) {
maxval = s->rematrix_maxval;
} else if ( av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT
|| av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) {
maxval = 1.0;
} else
maxval = INT_MAX;
if(maxcoef > maxval || s->rematrix_volume < 0){
maxcoef /= maxval;
for(i=0; i<SWR_CH_MAX; i++)
for(j=0; j<SWR_CH_MAX; j++){
s->matrix[i][j] /= maxcoef;
}
}
if(s->rematrix_volume > 0){
for(i=0; i<SWR_CH_MAX; i++)
for(j=0; j<SWR_CH_MAX; j++){
s->matrix[i][j] *= s->rematrix_volume;
}
}
for(i=0; i<av_get_channel_layout_nb_channels(out_ch_layout); i++){
for(j=0; j<av_get_channel_layout_nb_channels(in_ch_layout); j++){
av_log(NULL, AV_LOG_DEBUG, "%f ", s->matrix[i][j]);
}
av_log(NULL, AV_LOG_DEBUG, "\n");
}
return 0;
}
| 26,630 |
FFmpeg | 90540c2d5ace46a1e9789c75fde0b1f7dbb12a9b | 1 | static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
{
const uint8_t *s = src;
const uint8_t *end;
const uint8_t *mm_end;
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
__asm__ volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm__ volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_16mask),"m"(green_16mask));
mm_end = end - 15;
while (s < mm_end) {
__asm__ volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 4%1, %%mm3 \n\t"
"punpckldq 8%1, %%mm0 \n\t"
"punpckldq 12%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psllq $8, %%mm0 \n\t"
"psllq $8, %%mm3 \n\t"
"pand %%mm7, %%mm0 \n\t"
"pand %%mm7, %%mm3 \n\t"
"psrlq $5, %%mm1 \n\t"
"psrlq $5, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $19, %%mm2 \n\t"
"psrlq $19, %%mm5 \n\t"
"pand %2, %%mm2 \n\t"
"pand %2, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
d += 4;
s += 16;
}
__asm__ volatile(SFENCE:::"memory");
__asm__ volatile(EMMS:::"memory");
while (s < end) {
register int rgb = *(const uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
}
}
| 26,631 |
qemu | e9a07334fb6ee08ddd61787c102d36e7e781efef | 1 | static void g364fb_update_display(void *opaque)
{
G364State *s = opaque;
if (s->width == 0 || s->height == 0)
return;
if (s->width != ds_get_width(s->ds) || s->height != ds_get_height(s->ds)) {
qemu_console_resize(s->ds, s->width, s->height);
}
if (s->ctla & CTLA_FORCE_BLANK) {
g364fb_draw_blank(s);
} else if (s->depth == 8) {
g364fb_draw_graphic8(s);
} else {
error_report("g364: unknown guest depth %d", s->depth);
}
qemu_irq_raise(s->irq);
} | 26,632 |
FFmpeg | 426a322aa2bfd8ec28e467743c79dad81c63c108 | 1 | static int decode_pic(AVSContext *h)
{
int ret;
int skip_count = -1;
enum cavs_mb mb_type;
if (!h->top_qp) {
av_log(h->avctx, AV_LOG_ERROR, "No sequence header decoded yet\n");
return AVERROR_INVALIDDATA;
}
av_frame_unref(h->cur.f);
skip_bits(&h->gb, 16);//bbv_dwlay
if (h->stc == PIC_PB_START_CODE) {
h->cur.f->pict_type = get_bits(&h->gb, 2) + AV_PICTURE_TYPE_I;
if (h->cur.f->pict_type > AV_PICTURE_TYPE_B) {
av_log(h->avctx, AV_LOG_ERROR, "illegal picture type\n");
return AVERROR_INVALIDDATA;
}
/* make sure we have the reference frames we need */
if (!h->DPB[0].f->data[0] ||
(!h->DPB[1].f->data[0] && h->cur.f->pict_type == AV_PICTURE_TYPE_B))
return AVERROR_INVALIDDATA;
} else {
h->cur.f->pict_type = AV_PICTURE_TYPE_I;
if (get_bits1(&h->gb))
skip_bits(&h->gb, 24);//time_code
/* old sample clips were all progressive and no low_delay,
bump stream revision if detected otherwise */
if (h->low_delay || !(show_bits(&h->gb, 9) & 1))
h->stream_revision = 1;
/* similarly test top_field_first and repeat_first_field */
else if (show_bits(&h->gb, 11) & 3)
h->stream_revision = 1;
if (h->stream_revision > 0)
skip_bits(&h->gb, 1); //marker_bit
}
ret = ff_get_buffer(h->avctx, h->cur.f, h->cur.f->pict_type == AV_PICTURE_TYPE_B ?
0 : AV_GET_BUFFER_FLAG_REF);
if (ret < 0)
return ret;
if (!h->edge_emu_buffer) {
int alloc_size = FFALIGN(FFABS(h->cur.f->linesize[0]) + 32, 32);
h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 24);
if (!h->edge_emu_buffer)
return AVERROR(ENOMEM);
}
if ((ret = ff_cavs_init_pic(h)) < 0)
return ret;
h->cur.poc = get_bits(&h->gb, 8) * 2;
/* get temporal distances and MV scaling factors */
if (h->cur.f->pict_type != AV_PICTURE_TYPE_B) {
h->dist[0] = (h->cur.poc - h->DPB[0].poc) & 511;
} else {
h->dist[0] = (h->DPB[0].poc - h->cur.poc) & 511;
}
h->dist[1] = (h->cur.poc - h->DPB[1].poc) & 511;
h->scale_den[0] = h->dist[0] ? 512/h->dist[0] : 0;
h->scale_den[1] = h->dist[1] ? 512/h->dist[1] : 0;
if (h->cur.f->pict_type == AV_PICTURE_TYPE_B) {
h->sym_factor = h->dist[0] * h->scale_den[1];
if (FFABS(h->sym_factor) > 32768) {
av_log(h->avctx, AV_LOG_ERROR, "sym_factor %d too large\n", h->sym_factor);
return AVERROR_INVALIDDATA;
}
} else {
h->direct_den[0] = h->dist[0] ? 16384 / h->dist[0] : 0;
h->direct_den[1] = h->dist[1] ? 16384 / h->dist[1] : 0;
}
if (h->low_delay)
get_ue_golomb(&h->gb); //bbv_check_times
h->progressive = get_bits1(&h->gb);
h->pic_structure = 1;
if (!h->progressive)
h->pic_structure = get_bits1(&h->gb);
if (!h->pic_structure && h->stc == PIC_PB_START_CODE)
skip_bits1(&h->gb); //advanced_pred_mode_disable
skip_bits1(&h->gb); //top_field_first
skip_bits1(&h->gb); //repeat_first_field
h->pic_qp_fixed =
h->qp_fixed = get_bits1(&h->gb);
h->qp = get_bits(&h->gb, 6);
if (h->cur.f->pict_type == AV_PICTURE_TYPE_I) {
if (!h->progressive && !h->pic_structure)
skip_bits1(&h->gb);//what is this?
skip_bits(&h->gb, 4); //reserved bits
} else {
if (!(h->cur.f->pict_type == AV_PICTURE_TYPE_B && h->pic_structure == 1))
h->ref_flag = get_bits1(&h->gb);
skip_bits(&h->gb, 4); //reserved bits
h->skip_mode_flag = get_bits1(&h->gb);
}
h->loop_filter_disable = get_bits1(&h->gb);
if (!h->loop_filter_disable && get_bits1(&h->gb)) {
h->alpha_offset = get_se_golomb(&h->gb);
h->beta_offset = get_se_golomb(&h->gb);
} else {
h->alpha_offset = h->beta_offset = 0;
}
if (h->cur.f->pict_type == AV_PICTURE_TYPE_I) {
do {
check_for_slice(h);
decode_mb_i(h, 0);
} while (ff_cavs_next_mb(h));
} else if (h->cur.f->pict_type == AV_PICTURE_TYPE_P) {
do {
if (check_for_slice(h))
skip_count = -1;
if (h->skip_mode_flag && (skip_count < 0))
skip_count = get_ue_golomb(&h->gb);
if (h->skip_mode_flag && skip_count--) {
decode_mb_p(h, P_SKIP);
} else {
mb_type = get_ue_golomb(&h->gb) + P_SKIP + h->skip_mode_flag;
if (mb_type > P_8X8)
decode_mb_i(h, mb_type - P_8X8 - 1);
else
decode_mb_p(h, mb_type);
}
} while (ff_cavs_next_mb(h));
} else { /* AV_PICTURE_TYPE_B */
do {
if (check_for_slice(h))
skip_count = -1;
if (h->skip_mode_flag && (skip_count < 0))
skip_count = get_ue_golomb(&h->gb);
if (h->skip_mode_flag && skip_count--) {
decode_mb_b(h, B_SKIP);
} else {
mb_type = get_ue_golomb(&h->gb) + B_SKIP + h->skip_mode_flag;
if (mb_type > B_8X8)
decode_mb_i(h, mb_type - B_8X8 - 1);
else
decode_mb_b(h, mb_type);
}
} while (ff_cavs_next_mb(h));
}
emms_c();
if (h->cur.f->pict_type != AV_PICTURE_TYPE_B) {
av_frame_unref(h->DPB[1].f);
FFSWAP(AVSFrame, h->cur, h->DPB[1]);
FFSWAP(AVSFrame, h->DPB[0], h->DPB[1]);
}
return 0;
}
| 26,633 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static void bmds_set_aio_inflight(BlkMigDevState *bmds, int64_t sector_num,
int nb_sectors, int set)
{
int64_t start, end;
unsigned long val, idx, bit;
start = sector_num / BDRV_SECTORS_PER_DIRTY_CHUNK;
end = (sector_num + nb_sectors - 1) / BDRV_SECTORS_PER_DIRTY_CHUNK;
for (; start <= end; start++) {
idx = start / (sizeof(unsigned long) * 8);
bit = start % (sizeof(unsigned long) * 8);
val = bmds->aio_bitmap[idx];
if (set) {
val |= 1UL << bit;
} else {
val &= ~(1UL << bit);
}
bmds->aio_bitmap[idx] = val;
}
}
| 26,634 |