project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 338c858c946017cd3ec8c2be06d817e001d94bc3 | 0 | long do_sigreturn(CPUAlphaState *env)
{
struct target_sigcontext *sc;
abi_ulong sc_addr = env->ir[IR_A0];
target_sigset_t target_set;
sigset_t set;
if (!lock_user_struct(VERIFY_READ, sc, sc_addr, 1)) {
goto badframe;
}
target_sigemptyset(&target_set);
__get_user(target_set.sig[0], &sc->sc_mask);
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL);
restore_sigcontext(env, sc);
unlock_user_struct(sc, sc_addr, 0);
return env->ir[IR_V0];
badframe:
force_sig(TARGET_SIGSEGV);
}
| 26,253 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static bool ide_sect_range_ok(IDEState *s,
uint64_t sector, uint64_t nb_sectors)
{
uint64_t total_sectors;
bdrv_get_geometry(s->bs, &total_sectors);
if (sector > total_sectors || nb_sectors > total_sectors - sector) {
return false;
}
return true;
}
| 26,254 |
qemu | 384acbf46b70edf0d2c1648aa1a92a90bcf7057d | 0 | int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index,
unsigned int n)
{
int ret = -EINPROGRESS;
async_context_push();
qed_write_l1_table(s, index, n, qed_sync_cb, &ret);
while (ret == -EINPROGRESS) {
qemu_aio_wait();
}
async_context_pop();
return ret;
}
| 26,255 |
qemu | ec05ec26f940564b1e07bf88857035ec27e21dd8 | 0 | bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size, unsigned client)
{
assert(mr->terminates);
return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
}
| 26,256 |
qemu | 52cfcb464255b4da5115408e2a6ce3327bbcb9df | 0 | static void filter_mirror_setup(NetFilterState *nf, Error **errp)
{
MirrorState *s = FILTER_MIRROR(nf);
if (!s->outdev) {
error_setg(errp, "filter filter mirror needs 'outdev' "
"property set");
return;
}
s->chr_out = qemu_chr_find(s->outdev);
if (s->chr_out == NULL) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", s->outdev);
return;
}
if (qemu_chr_fe_claim(s->chr_out) != 0) {
error_setg(errp, QERR_DEVICE_IN_USE, s->outdev);
return;
}
}
| 26,258 |
qemu | 8297be80f7cf71e09617669a8bd8b2836dcfd4c3 | 0 | static void generate_eeprom_spd(uint8_t *eeprom, ram_addr_t ram_size)
{
enum { SDR = 0x4, DDR2 = 0x8 } type;
uint8_t *spd = spd_eeprom.contents;
uint8_t nbanks = 0;
uint16_t density = 0;
int i;
/* work in terms of MB */
ram_size >>= 20;
while ((ram_size >= 4) && (nbanks <= 2)) {
int sz_log2 = MIN(31 - clz32(ram_size), 14);
nbanks++;
density |= 1 << (sz_log2 - 2);
ram_size -= 1 << sz_log2;
}
/* split to 2 banks if possible */
if ((nbanks == 1) && (density > 1)) {
nbanks++;
density >>= 1;
}
if (density & 0xff00) {
density = (density & 0xe0) | ((density >> 8) & 0x1f);
type = DDR2;
} else if (!(density & 0x1f)) {
type = DDR2;
} else {
type = SDR;
}
if (ram_size) {
fprintf(stderr, "Warning: SPD cannot represent final %dMB"
" of SDRAM\n", (int)ram_size);
}
/* fill in SPD memory information */
spd[2] = type;
spd[5] = nbanks;
spd[31] = density;
/* checksum */
spd[63] = 0;
for (i = 0; i < 63; i++) {
spd[63] += spd[i];
}
/* copy for SMBUS */
memcpy(eeprom, spd, sizeof(spd_eeprom.contents));
}
| 26,260 |
qemu | a0efbf16604770b9d805bcf210ec29942321134f | 0 | static GenericList *next_list(Visitor *v, GenericList *tail, size_t size)
{
StringInputVisitor *siv = to_siv(v);
Range *r;
if (!siv->ranges || !siv->cur_range) {
return NULL;
}
r = siv->cur_range->data;
if (!r) {
return NULL;
}
if (siv->cur < r->begin || siv->cur >= r->end) {
siv->cur_range = g_list_next(siv->cur_range);
if (!siv->cur_range) {
return NULL;
}
r = siv->cur_range->data;
if (!r) {
return NULL;
}
siv->cur = r->begin;
}
tail->next = g_malloc0(size);
return tail->next;
}
| 26,261 |
FFmpeg | aff01de6415f1ba022f1a58e354ad6e4d0796e97 | 0 | static int link_filter_inouts(AVFilterContext *filt_ctx,
AVFilterInOut **curr_inputs,
AVFilterInOut **open_inputs, void *log_ctx)
{
int pad, ret;
for (pad = 0; pad < filt_ctx->input_count; pad++) {
AVFilterInOut *p = *curr_inputs;
if (p)
*curr_inputs = (*curr_inputs)->next;
else if (!(p = av_mallocz(sizeof(*p))))
return AVERROR(ENOMEM);
if (p->filter_ctx) {
if ((ret = link_filter(p->filter_ctx, p->pad_idx, filt_ctx, pad, log_ctx)) < 0)
return ret;
av_free(p->name);
av_free(p);
} else {
p->filter_ctx = filt_ctx;
p->pad_idx = pad;
append_inout(open_inputs, &p);
}
}
if (*curr_inputs) {
av_log(log_ctx, AV_LOG_ERROR,
"Too many inputs specified for the \"%s\" filter.\n",
filt_ctx->filter->name);
return AVERROR(EINVAL);
}
pad = filt_ctx->output_count;
while (pad--) {
AVFilterInOut *currlinkn = av_mallocz(sizeof(AVFilterInOut));
if (!currlinkn)
return AVERROR(ENOMEM);
currlinkn->filter_ctx = filt_ctx;
currlinkn->pad_idx = pad;
insert_inout(curr_inputs, currlinkn);
}
return 0;
}
| 26,262 |
qemu | 49dfcec40349245ad365964468b67e132c3cedc7 | 0 | static void invalidate_and_set_dirty(hwaddr addr,
hwaddr length)
{
if (cpu_physical_memory_range_includes_clean(addr, length)) {
tb_invalidate_phys_range(addr, addr + length, 0);
cpu_physical_memory_set_dirty_range_nocode(addr, length);
}
xen_modified_memory(addr, length);
}
| 26,263 |
qemu | 494a8ebe713055d3946183f4b395f85a18b43e9e | 0 | static int proxy_unlinkat(FsContext *ctx, V9fsPath *dir,
const char *name, int flags)
{
int ret;
V9fsString fullname;
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir->data, name);
ret = proxy_remove(ctx, fullname.data);
v9fs_string_free(&fullname);
return ret;
}
| 26,264 |
qemu | ad07cd69ecaffbaa015459a46975ab32e50df805 | 0 | void virtio_scsi_common_realize(DeviceState *dev, Error **errp,
VirtIOHandleOutput ctrl,
VirtIOHandleOutput evt,
VirtIOHandleOutput cmd)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOSCSICommon *s = VIRTIO_SCSI_COMMON(dev);
int i;
virtio_init(vdev, "virtio-scsi", VIRTIO_ID_SCSI,
sizeof(VirtIOSCSIConfig));
if (s->conf.num_queues == 0 ||
s->conf.num_queues > VIRTIO_QUEUE_MAX - 2) {
error_setg(errp, "Invalid number of queues (= %" PRIu32 "), "
"must be a positive integer less than %d.",
s->conf.num_queues, VIRTIO_QUEUE_MAX - 2);
virtio_cleanup(vdev);
return;
}
s->cmd_vqs = g_new0(VirtQueue *, s->conf.num_queues);
s->sense_size = VIRTIO_SCSI_SENSE_DEFAULT_SIZE;
s->cdb_size = VIRTIO_SCSI_CDB_DEFAULT_SIZE;
s->ctrl_vq = virtio_add_queue_aio(vdev, VIRTIO_SCSI_VQ_SIZE, ctrl);
s->event_vq = virtio_add_queue_aio(vdev, VIRTIO_SCSI_VQ_SIZE, evt);
for (i = 0; i < s->conf.num_queues; i++) {
s->cmd_vqs[i] = virtio_add_queue_aio(vdev, VIRTIO_SCSI_VQ_SIZE, cmd);
}
if (s->conf.iothread) {
virtio_scsi_set_iothread(VIRTIO_SCSI(s), s->conf.iothread);
}
}
| 26,265 |
qemu | cd42d5b23691ad73edfd6dbcfc935a960a9c5a65 | 0 | static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
TranslationBlock *tb,
bool spc)
{
CPUState *cs = CPU(cpu);
CPUSPARCState *env = &cpu->env;
target_ulong pc_start, last_pc;
uint16_t *gen_opc_end;
DisasContext dc1, *dc = &dc1;
CPUBreakpoint *bp;
int j, lj = -1;
int num_insns;
int max_insns;
unsigned int insn;
memset(dc, 0, sizeof(DisasContext));
dc->tb = tb;
pc_start = tb->pc;
dc->pc = pc_start;
last_pc = dc->pc;
dc->npc = (target_ulong) tb->cs_base;
dc->cc_op = CC_OP_DYNAMIC;
dc->mem_idx = cpu_mmu_index(env);
dc->def = env->def;
dc->fpu_enabled = tb_fpu_enabled(tb->flags);
dc->address_mask_32bit = tb_am_enabled(tb->flags);
dc->singlestep = (cs->singlestep_enabled || singlestep);
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_tb_start();
do {
if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
if (bp->pc == dc->pc) {
if (dc->pc != pc_start)
save_state(dc);
gen_helper_debug(cpu_env);
tcg_gen_exit_tb(0);
dc->is_br = 1;
goto exit_gen_loop;
}
}
}
if (spc) {
qemu_log("Search PC...\n");
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
tcg_ctx.gen_opc_pc[lj] = dc->pc;
gen_opc_npc[lj] = dc->npc;
tcg_ctx.gen_opc_instr_start[lj] = 1;
tcg_ctx.gen_opc_icount[lj] = num_insns;
}
}
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
last_pc = dc->pc;
insn = cpu_ldl_code(env, dc->pc);
disas_sparc_insn(dc, insn);
num_insns++;
if (dc->is_br)
break;
/* if the next PC is different, we abort now */
if (dc->pc != (last_pc + 4))
break;
/* if we reach a page boundary, we stop generation so that the
PC of a TT_TFAULT exception is always in the right page */
if ((dc->pc & (TARGET_PAGE_SIZE - 1)) == 0)
break;
/* if single step mode, we generate only one instruction and
generate an exception */
if (dc->singlestep) {
break;
}
} while ((tcg_ctx.gen_opc_ptr < gen_opc_end) &&
(dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32) &&
num_insns < max_insns);
exit_gen_loop:
if (tb->cflags & CF_LAST_IO) {
gen_io_end();
}
if (!dc->is_br) {
if (dc->pc != DYNAMIC_PC &&
(dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
/* static PC and NPC: we can use direct chaining */
gen_goto_tb(dc, 0, dc->pc, dc->npc);
} else {
if (dc->pc != DYNAMIC_PC) {
tcg_gen_movi_tl(cpu_pc, dc->pc);
}
save_npc(dc);
tcg_gen_exit_tb(0);
}
}
gen_tb_end(tb, num_insns);
*tcg_ctx.gen_opc_ptr = INDEX_op_end;
if (spc) {
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
lj++;
while (lj <= j)
tcg_ctx.gen_opc_instr_start[lj++] = 0;
#if 0
log_page_dump();
#endif
gen_opc_jump_pc[0] = dc->jump_pc[0];
gen_opc_jump_pc[1] = dc->jump_pc[1];
} else {
tb->size = last_pc + 4 - pc_start;
tb->icount = num_insns;
}
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("--------------\n");
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(env, pc_start, last_pc + 4 - pc_start, 0);
qemu_log("\n");
}
#endif
}
| 26,266 |
qemu | ef1e1e0782e99c9dcf2b35e5310cdd8ca9211374 | 0 | static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr,
int *is_linux, uint8_t image_type,
uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque)
{
int fd;
int size;
hwaddr address;
uboot_image_header_t h;
uboot_image_header_t *hdr = &h;
uint8_t *data = NULL;
int ret = -1;
int do_uncompress = 0;
fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
size = read(fd, hdr, sizeof(uboot_image_header_t));
if (size < 0)
goto out;
bswap_uboot_header(hdr);
if (hdr->ih_magic != IH_MAGIC)
goto out;
if (hdr->ih_type != image_type) {
fprintf(stderr, "Wrong image type %d, expected %d\n", hdr->ih_type,
image_type);
goto out;
}
/* TODO: Implement other image types. */
switch (hdr->ih_type) {
case IH_TYPE_KERNEL:
address = hdr->ih_load;
if (translate_fn) {
address = translate_fn(translate_opaque, address);
}
if (loadaddr) {
*loadaddr = hdr->ih_load;
}
switch (hdr->ih_comp) {
case IH_COMP_NONE:
break;
case IH_COMP_GZIP:
do_uncompress = 1;
break;
default:
fprintf(stderr,
"Unable to load u-boot images with compression type %d\n",
hdr->ih_comp);
goto out;
}
if (ep) {
*ep = hdr->ih_ep;
}
/* TODO: Check CPU type. */
if (is_linux) {
if (hdr->ih_os == IH_OS_LINUX) {
*is_linux = 1;
} else {
*is_linux = 0;
}
}
break;
case IH_TYPE_RAMDISK:
address = *loadaddr;
break;
default:
fprintf(stderr, "Unsupported u-boot image type %d\n", hdr->ih_type);
goto out;
}
data = g_malloc(hdr->ih_size);
if (read(fd, data, hdr->ih_size) != hdr->ih_size) {
fprintf(stderr, "Error reading file\n");
goto out;
}
if (do_uncompress) {
uint8_t *compressed_data;
size_t max_bytes;
ssize_t bytes;
compressed_data = data;
max_bytes = UBOOT_MAX_GUNZIP_BYTES;
data = g_malloc(max_bytes);
bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size);
g_free(compressed_data);
if (bytes < 0) {
fprintf(stderr, "Unable to decompress gzipped image!\n");
goto out;
}
hdr->ih_size = bytes;
}
rom_add_blob_fixed(filename, data, hdr->ih_size, address);
ret = hdr->ih_size;
out:
if (data)
g_free(data);
close(fd);
return ret;
}
| 26,267 |
qemu | 0ae18ceeaaa2c1749e742c4b112f6c3bf0896408 | 0 | static void stellaris_init(const char *kernel_filename, const char *cpu_model,
DisplayState *ds, stellaris_board_info *board)
{
static const int uart_irq[] = {5, 6, 33, 34};
static const int timer_irq[] = {19, 21, 23, 35};
static const uint32_t gpio_addr[7] =
{ 0x40004000, 0x40005000, 0x40006000, 0x40007000,
0x40024000, 0x40025000, 0x40026000};
static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31};
qemu_irq *pic;
qemu_irq *gpio_in[7];
qemu_irq *gpio_out[7];
qemu_irq adc;
int sram_size;
int flash_size;
i2c_bus *i2c;
int i;
flash_size = ((board->dc0 & 0xffff) + 1) << 1;
sram_size = (board->dc0 >> 18) + 1;
pic = armv7m_init(flash_size, sram_size, kernel_filename, cpu_model);
if (board->dc1 & (1 << 16)) {
adc = stellaris_adc_init(0x40038000, pic[14]);
} else {
adc = NULL;
}
for (i = 0; i < 4; i++) {
if (board->dc2 & (0x10000 << i)) {
stellaris_gptm_init(0x40030000 + i * 0x1000,
pic[timer_irq[i]], adc);
}
}
stellaris_sys_init(0x400fe000, pic[28], board, nd_table[0].macaddr);
for (i = 0; i < 7; i++) {
if (board->dc4 & (1 << i)) {
gpio_in[i] = pl061_init(gpio_addr[i], pic[gpio_irq[i]],
&gpio_out[i]);
}
}
if (board->dc2 & (1 << 12)) {
i2c = i2c_init_bus();
stellaris_i2c_init(0x40020000, pic[8], i2c);
if (board->peripherals & BP_OLED_I2C) {
ssd0303_init(ds, i2c, 0x3d);
}
}
for (i = 0; i < 4; i++) {
if (board->dc2 & (1 << i)) {
pl011_init(0x4000c000 + i * 0x1000, pic[uart_irq[i]],
serial_hds[i], PL011_LUMINARY);
}
}
if (board->dc2 & (1 << 4)) {
if (board->peripherals & BP_OLED_SSI) {
void * oled;
void * sd;
void *ssi_bus;
int index;
oled = ssd0323_init(ds, &gpio_out[GPIO_C][7]);
index = drive_get_index(IF_SD, 0, 0);
sd = ssi_sd_init(drives_table[index].bdrv);
ssi_bus = stellaris_ssi_bus_init(&gpio_out[GPIO_D][0],
ssi_sd_xfer, sd,
ssd0323_xfer_ssi, oled);
pl022_init(0x40008000, pic[7], stellaris_ssi_bus_xfer, ssi_bus);
/* Make sure the select pin is high. */
qemu_irq_raise(gpio_out[GPIO_D][0]);
} else {
pl022_init(0x40008000, pic[7], NULL, NULL);
}
}
if (board->dc4 & (1 << 28)) {
/* FIXME: Obey network model. */
stellaris_enet_init(&nd_table[0], 0x40048000, pic[42]);
}
if (board->peripherals & BP_GAMEPAD) {
qemu_irq gpad_irq[5];
static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d };
gpad_irq[0] = qemu_irq_invert(gpio_in[GPIO_E][0]); /* up */
gpad_irq[1] = qemu_irq_invert(gpio_in[GPIO_E][1]); /* down */
gpad_irq[2] = qemu_irq_invert(gpio_in[GPIO_E][2]); /* left */
gpad_irq[3] = qemu_irq_invert(gpio_in[GPIO_E][3]); /* right */
gpad_irq[4] = qemu_irq_invert(gpio_in[GPIO_F][1]); /* select */
stellaris_gamepad_init(5, gpad_irq, gpad_keycode);
}
}
| 26,268 |
qemu | e3f5ec2b5e92706e3b807059f79b1fb5d936e567 | 0 | static int pcnet_can_receive(void *opaque)
{
PCNetState *s = opaque;
if (CSR_STOP(s) || CSR_SPND(s))
return 0;
if (s->recv_pos > 0)
return 0;
return sizeof(s->buffer)-16;
}
| 26,269 |
qemu | 0e7106d8b5f7ef4f9df10baf1dfb3db482bcd046 | 0 | static int write_object(int fd, char *buf, uint64_t oid, int copies,
unsigned int datalen, uint64_t offset, bool create,
bool cache)
{
return read_write_object(fd, buf, oid, copies, datalen, offset, true,
create, cache);
}
| 26,270 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint32_t cuda_readw (void *opaque, target_phys_addr_t addr)
{
return 0;
}
| 26,271 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | void helper_iret_protected(int shift, int next_eip)
{
int tss_selector, type;
uint32_t e1, e2;
/* specific case for TSS */
if (env->eflags & NT_MASK) {
#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK)
raise_exception_err(EXCP0D_GPF, 0);
#endif
tss_selector = lduw_kernel(env->tr.base + 0);
if (tss_selector & 4)
raise_exception_err(EXCP0A_TSS, tss_selector & 0xfffc);
if (load_segment(&e1, &e2, tss_selector) != 0)
raise_exception_err(EXCP0A_TSS, tss_selector & 0xfffc);
type = (e2 >> DESC_TYPE_SHIFT) & 0x17;
/* NOTE: we check both segment and busy TSS */
if (type != 3)
raise_exception_err(EXCP0A_TSS, tss_selector & 0xfffc);
switch_tss(tss_selector, e1, e2, SWITCH_TSS_IRET, next_eip);
} else {
helper_ret_protected(shift, 1, 0);
}
env->hflags2 &= ~HF2_NMI_MASK;
#ifdef CONFIG_KQEMU
if (kqemu_is_ok(env)) {
CC_OP = CC_OP_EFLAGS;
env->exception_index = -1;
cpu_loop_exit();
}
#endif
}
| 26,272 |
FFmpeg | 6260ab60a80fd8baebf79f9ce9299b0db72333b5 | 0 | static void blend_image_rgba(AVFilterContext *ctx, AVFrame *dst, const AVFrame *src, int x, int y)
{
blend_image_packed_rgb(ctx, dst, src, 1, x, y, 0);
}
| 26,273 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void bonito_spciconf_writeb(void *opaque, target_phys_addr_t addr,
uint32_t val)
{
PCIBonitoState *s = opaque;
PCIDevice *d = PCI_DEVICE(s);
PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost);
uint32_t pciaddr;
uint16_t status;
DPRINTF("bonito_spciconf_writeb "TARGET_FMT_plx" val %x\n", addr, val);
pciaddr = bonito_sbridge_pciaddr(s, addr);
if (pciaddr == 0xffffffff) {
return;
}
/* set the pci address in s->config_reg */
phb->config_reg = (pciaddr) | (1u << 31);
pci_data_write(phb->bus, phb->config_reg, val & 0xff, 1);
/* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */
status = pci_get_word(d->config + PCI_STATUS);
status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT);
pci_set_word(d->config + PCI_STATUS, status);
}
| 26,274 |
qemu | b0f49d138777fb6609aa2ea96d2c59fb872d2c2d | 0 | pvscsi_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
{
PVSCSIRequest *pvscsi_req = req->hba_private;
PVSCSIState *s = pvscsi_req->dev;
if (!pvscsi_req) {
trace_pvscsi_command_complete_not_found(req->tag);
return;
}
if (resid) {
/* Short transfer. */
trace_pvscsi_command_complete_data_run();
pvscsi_req->cmp.hostStatus = BTSTAT_DATARUN;
}
pvscsi_req->cmp.scsiStatus = status;
if (pvscsi_req->cmp.scsiStatus == CHECK_CONDITION) {
uint8_t sense[SCSI_SENSE_BUF_SIZE];
int sense_len =
scsi_req_get_sense(pvscsi_req->sreq, sense, sizeof(sense));
trace_pvscsi_command_complete_sense_len(sense_len);
pvscsi_write_sense(pvscsi_req, sense, sense_len);
}
qemu_sglist_destroy(&pvscsi_req->sgl);
pvscsi_complete_request(s, pvscsi_req);
}
| 26,276 |
qemu | 494a8ebe713055d3946183f4b395f85a18b43e9e | 0 | static int proxy_open(FsContext *ctx, V9fsPath *fs_path,
int flags, V9fsFidOpenState *fs)
{
fs->fd = v9fs_request(ctx->private, T_OPEN, NULL, "sd", fs_path, flags);
if (fs->fd < 0) {
errno = -fs->fd;
fs->fd = -1;
}
return fs->fd;
}
| 26,277 |
qemu | 0ae18ceeaaa2c1749e742c4b112f6c3bf0896408 | 0 | void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
char buf[1024];
unsigned long bios_offset;
int bios_size;
CPUState *env;
RTCState *rtc_state;
int i;
qemu_irq *i8259;
int index;
BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
/* init CPUs */
if (cpu_model == NULL) {
#ifdef TARGET_MIPS64
cpu_model = "R4000";
#else
cpu_model = "24Kf";
#endif
}
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
qemu_register_reset(main_cpu_reset, env);
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
if (!mips_qemu_iomemtype) {
mips_qemu_iomemtype = cpu_register_io_memory(0, mips_qemu_read,
mips_qemu_write, NULL);
}
cpu_register_physical_memory(0x1fbf0000, 0x10000, mips_qemu_iomemtype);
/* Try to load a BIOS image. If this fails, we continue regardless,
but initialize the hardware ourselves. When a kernel gets
preloaded we also initialize the hardware, since the BIOS wasn't
run. */
bios_offset = ram_size + vga_ram_size;
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
bios_size = load_image(buf, phys_ram_base + bios_offset);
if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
cpu_register_physical_memory(0x1fc00000,
BIOS_SIZE, bios_offset | IO_MEM_ROM);
} else if ((index = drive_get_index(IF_PFLASH, 0, 0)) > -1) {
uint32_t mips_rom = 0x00400000;
cpu_register_physical_memory(0x1fc00000, mips_rom,
qemu_ram_alloc(mips_rom) | IO_MEM_ROM);
if (!pflash_cfi01_register(0x1fc00000, qemu_ram_alloc(mips_rom),
drives_table[index].bdrv, sector_len, mips_rom / sector_len,
4, 0, 0, 0, 0)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
}
}
else {
/* not fatal */
fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
buf);
}
if (kernel_filename) {
loaderparams.ram_size = ram_size;
loaderparams.kernel_filename = kernel_filename;
loaderparams.kernel_cmdline = kernel_cmdline;
loaderparams.initrd_filename = initrd_filename;
load_kernel (env);
}
/* Init CPU internal devices */
cpu_mips_irq_init_cpu(env);
cpu_mips_clock_init(env);
/* The PIC is attached to the MIPS CPU INT0 pin */
i8259 = i8259_init(env->irq[2]);
rtc_state = rtc_init(0x70, i8259[8]);
/* Register 64 KB of ISA IO space at 0x14000000 */
isa_mmio_init(0x14000000, 0x00010000);
isa_mem_base = 0x10000000;
pit = pit_init(0x40, i8259[0]);
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
serial_init(serial_io[i], i8259[serial_irq[i]], 115200,
serial_hds[i]);
}
}
isa_vga_init(ds, phys_ram_base + ram_size, ram_size,
vga_ram_size);
if (nd_table[0].vlan) {
if (nd_table[i].model == NULL) {
nd_table[i].model = "ne2k_isa";
}
if (strcmp(nd_table[0].model, "ne2k_isa") == 0) {
isa_ne2000_init(0x300, i8259[9], &nd_table[0]);
} else if (strcmp(nd_table[0].model, "?") == 0) {
fprintf(stderr, "qemu: Supported NICs: ne2k_isa\n");
exit (1);
} else {
fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
exit (1);
}
}
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
fprintf(stderr, "qemu: too many IDE bus\n");
exit(1);
}
for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
if (index != -1)
hd[i] = drives_table[index].bdrv;
else
hd[i] = NULL;
}
for(i = 0; i < MAX_IDE_BUS; i++)
isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
hd[MAX_IDE_DEVS * i],
hd[MAX_IDE_DEVS * i + 1]);
i8042_init(i8259[1], i8259[12], 0x60);
}
| 26,278 |
qemu | f1c52354e5bdab6983d13a4c174759c585e834b3 | 0 | static bool spapr_drc_needed(void *opaque)
{
sPAPRDRConnector *drc = (sPAPRDRConnector *)opaque;
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
bool rc = false;
sPAPRDREntitySense value = drck->dr_entity_sense(drc);
/* If no dev is plugged in there is no need to migrate the DRC state */
if (value != SPAPR_DR_ENTITY_SENSE_PRESENT) {
return false;
}
/*
* If there is dev plugged in, we need to migrate the DRC state when
* it is different from cold-plugged state
*/
switch (spapr_drc_type(drc)) {
case SPAPR_DR_CONNECTOR_TYPE_PCI:
case SPAPR_DR_CONNECTOR_TYPE_CPU:
case SPAPR_DR_CONNECTOR_TYPE_LMB:
rc = !((drc->isolation_state == SPAPR_DR_ISOLATION_STATE_UNISOLATED) &&
(drc->allocation_state == SPAPR_DR_ALLOCATION_STATE_USABLE) &&
drc->configured && !drc->awaiting_release);
break;
case SPAPR_DR_CONNECTOR_TYPE_PHB:
case SPAPR_DR_CONNECTOR_TYPE_VIO:
default:
g_assert_not_reached();
}
return rc;
}
| 26,279 |
FFmpeg | 9bcbb250e23959075765edd3cb4c1fcb46736d7d | 0 | static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc,
const int16_t *chrUSrc, const int16_t *chrVSrc,
const int16_t *alpSrc,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
uint8_t *aDest, int dstW, int chrDstW)
{
int p= 4;
const uint8_t *src[4]= { alpSrc + dstW, lumSrc + dstW, chrUSrc + chrDstW, chrVSrc + chrDstW };
uint8_t *dst[4]= { aDest, dest, uDest, vDest };
x86_reg counter[4]= { dstW, dstW, chrDstW, chrDstW };
while (p--) {
if (dst[p]) {
__asm__ volatile(
"mov %2, %%"REG_a" \n\t"
".p2align 4 \n\t" /* FIXME Unroll? */
"1: \n\t"
"movq (%0, %%"REG_a", 2), %%mm0 \n\t"
"movq 8(%0, %%"REG_a", 2), %%mm1 \n\t"
"psraw $7, %%mm0 \n\t"
"psraw $7, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%1, %%REGa))
"add $8, %%"REG_a" \n\t"
"jnc 1b \n\t"
:: "r" (src[p]), "r" (dst[p] + counter[p]),
"g" (-counter[p])
: "%"REG_a
);
}
}
}
| 26,280 |
FFmpeg | d1adad3cca407f493c3637e20ecd4f7124e69212 | 0 | static inline void RENAME(rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size)
{
register const uint8_t* s=src;
register uint8_t* d=dst;
register const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
#if COMPILE_TEMPLATE_MMX
__asm__ volatile(PREFETCH" %0"::"m"(*s));
__asm__ volatile("movq %0, %%mm4"::"m"(mask15s));
mm_end = end - 15;
while (s<mm_end) {
__asm__ volatile(
PREFETCH" 32%1 \n\t"
"movq %1, %%mm0 \n\t"
"movq 8%1, %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"pand %%mm4, %%mm0 \n\t"
"pand %%mm4, %%mm2 \n\t"
"paddw %%mm1, %%mm0 \n\t"
"paddw %%mm3, %%mm2 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
MOVNTQ" %%mm2, 8%0"
:"=m"(*d)
:"m"(*s)
);
d+=16;
s+=16;
}
__asm__ volatile(SFENCE:::"memory");
__asm__ volatile(EMMS:::"memory");
#endif
mm_end = end - 3;
while (s < mm_end) {
register unsigned x= *((const uint32_t *)s);
*((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
d+=4;
s+=4;
}
if (s < end) {
register unsigned short x= *((const uint16_t *)s);
*((uint16_t *)d) = (x&0x7FFF) + (x&0x7FE0);
}
}
| 26,281 |
qemu | 4482e05cbbb7e50e476f6a9500cf0b38913bd939 | 1 | PowerPCCPU *ppc4xx_init(const char *cpu_model,
clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
uint32_t sysclk)
{
PowerPCCPU *cpu;
CPUPPCState *env;
/* init CPUs */
cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, cpu_model));
if (cpu == NULL) {
fprintf(stderr, "Unable to find PowerPC %s CPU definition\n",
cpu_model);
exit(1);
}
env = &cpu->env;
cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
cpu_clk->opaque = env;
/* Set time-base frequency to sysclk */
tb_clk->cb = ppc_40x_timers_init(env, sysclk, PPC_INTERRUPT_PIT);
tb_clk->opaque = env;
ppc_dcr_init(env, NULL, NULL);
/* Register qemu callbacks */
qemu_register_reset(ppc4xx_reset, cpu);
return cpu;
}
| 26,282 |
FFmpeg | 9bbf1a5c232cffb64e5f8cf071d1626cc0d033e1 | 1 | void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
int buf_size, int slice_count)
{
struct vdpau_render_state *render, *last, *next;
int i;
render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
assert(render);
/* fill VdpPictureInfoMPEG1Or2 struct */
render->info.mpeg.picture_structure = s->picture_structure;
render->info.mpeg.picture_coding_type = s->pict_type;
render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
render->info.mpeg.alternate_scan = s->alternate_scan;
render->info.mpeg.q_scale_type = s->q_scale_type;
render->info.mpeg.top_field_first = s->top_field_first;
render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
for (i = 0; i < 64; ++i) {
render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
}
render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
switch(s->pict_type){
case FF_B_TYPE:
next = (struct vdpau_render_state *)s->next_picture.data[0];
assert(next);
render->info.mpeg.backward_reference = next->surface;
// no return here, going to set forward prediction
case FF_P_TYPE:
last = (struct vdpau_render_state *)s->last_picture.data[0];
if (!last) // FIXME: Does this test make sense?
last = render; // predict second field from the first
render->info.mpeg.forward_reference = last->surface;
}
ff_vdpau_add_data_chunk(s, buf, buf_size);
render->info.mpeg.slice_count = slice_count;
if (slice_count)
ff_draw_horiz_band(s, 0, s->avctx->height);
render->bitstream_buffers_used = 0;
} | 26,283 |
FFmpeg | bc9eb0467a52828d6be48de5e60f042bf3b62d1f | 1 | static int open_input_stream(HTTPContext *c, const char *info)
{
char buf[128];
char input_filename[1024];
AVFormatContext *s = NULL;
int buf_size, i, ret;
int64_t stream_pos;
/* find file name */
if (c->stream->feed) {
strcpy(input_filename, c->stream->feed->feed_filename);
buf_size = FFM_PACKET_SIZE;
/* compute position (absolute time) */
if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0) {
http_log("Invalid date specification '%s' for stream\n", buf);
return ret;
}
} else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
int prebuffer = strtol(buf, 0, 10);
stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
} else
stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
} else {
strcpy(input_filename, c->stream->feed_filename);
buf_size = 0;
/* compute position (relative time) */
if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0) {
http_log("Invalid date specification '%s' for stream\n", buf);
return ret;
}
} else
stream_pos = 0;
}
if (!input_filename[0]) {
http_log("No filename was specified for stream\n");
return AVERROR(EINVAL);
}
/* open stream */
ret = avformat_open_input(&s, input_filename, c->stream->ifmt,
&c->stream->in_opts);
if (ret < 0) {
http_log("Could not open input '%s': %s\n",
input_filename, av_err2str(ret));
return ret;
}
/* set buffer size */
if (buf_size > 0) {
ret = ffio_set_buf_size(s->pb, buf_size);
if (ret < 0) {
http_log("Failed to set buffer size\n");
return ret;
}
}
s->flags |= AVFMT_FLAG_GENPTS;
c->fmt_in = s;
if (strcmp(s->iformat->name, "ffm") &&
(ret = avformat_find_stream_info(c->fmt_in, NULL)) < 0) {
http_log("Could not find stream info for input '%s'\n", input_filename);
avformat_close_input(&s);
return ret;
}
/* choose stream as clock source (we favor the video stream if
* present) for packet sending */
c->pts_stream_index = 0;
for(i=0;i<c->stream->nb_streams;i++) {
if (c->pts_stream_index == 0 &&
c->stream->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
c->pts_stream_index = i;
}
}
if (c->fmt_in->iformat->read_seek)
av_seek_frame(c->fmt_in, -1, stream_pos, 0);
/* set the start time (needed for maxtime and RTP packet timing) */
c->start_time = cur_time;
c->first_pts = AV_NOPTS_VALUE;
return 0;
}
| 26,284 |
qemu | b46578555c4bce64e3daba4591334aba2d12c156 | 1 | static int close_f(int argc, char **argv)
{
bdrv_close(bs);
bs = NULL;
return 0;
}
| 26,285 |
qemu | 3a3567d337d3ee6fb2e2fcc1d27cd045ed97ae9b | 1 | static void pty_chr_state(CharDriverState *chr, int connected)
{
PtyCharDriver *s = chr->opaque;
if (!connected) {
if (s->fd_tag) {
io_remove_watch_poll(s->fd_tag);
s->fd_tag = 0;
}
s->connected = 0;
/* (re-)connect poll interval for idle guests: once per second.
* We check more frequently in case the guests sends data to
* the virtual device linked to our pty. */
pty_chr_rearm_timer(chr, 1000);
} else {
if (s->timer_tag) {
g_source_remove(s->timer_tag);
s->timer_tag = 0;
}
if (!s->connected) {
qemu_chr_be_generic_open(chr);
s->connected = 1;
s->fd_tag = io_add_watch_poll(s->fd, pty_chr_read_poll, pty_chr_read, chr);
}
}
}
| 26,286 |
qemu | 4a94fc9bf2dac5965acb8e264d55a356737a2aa6 | 1 | static void zynq_xadc_write(void *opaque, hwaddr offset, uint64_t val,
unsigned size)
{
ZynqXADCState *s = (ZynqXADCState *)opaque;
int reg = offset / 4;
int xadc_reg;
int xadc_cmd;
int xadc_data;
if (!zynq_xadc_check_offset(reg, false)) {
qemu_log_mask(LOG_GUEST_ERROR, "zynq_xadc: Invalid write access "
"to addr %" HWADDR_PRIx "\n", offset);
return;
}
switch (reg) {
case CFG:
s->regs[CFG] = val;
break;
case INT_STS:
s->regs[INT_STS] &= ~val;
break;
case INT_MASK:
s->regs[INT_MASK] = val & INT_ALL;
break;
case CMDFIFO:
xadc_cmd = extract32(val, 26, 4);
xadc_reg = extract32(val, 16, 10);
xadc_data = extract32(val, 0, 16);
if (s->regs[MCTL] & MCTL_RESET) {
qemu_log_mask(LOG_GUEST_ERROR, "zynq_xadc: Sending command "
"while comm channel held in reset: %" PRIx32 "\n",
(uint32_t) val);
break;
}
if (xadc_reg > ZYNQ_XADC_NUM_ADC_REGS && xadc_cmd != CMD_NOP) {
qemu_log_mask(LOG_GUEST_ERROR, "read/write op to invalid xadc "
"reg 0x%x\n", xadc_reg);
break;
}
switch (xadc_cmd) {
case CMD_READ:
xadc_push_dfifo(s, s->xadc_regs[xadc_reg]);
break;
case CMD_WRITE:
s->xadc_regs[xadc_reg] = xadc_data;
/* fallthrough */
case CMD_NOP:
xadc_push_dfifo(s, 0);
break;
}
break;
case MCTL:
s->regs[MCTL] = val & 0x00fffeff;
break;
}
zynq_xadc_update_ints(s);
}
| 26,287 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | static inline void gen_set_Rc0 (DisasContext *ctx)
{
gen_op_cmpi(0);
gen_op_set_Rc0();
}
| 26,288 |
qemu | a01672d3968cf91208666d371784110bfde9d4f8 | 1 | static int kvm_log_start(CPUPhysMemoryClient *client,
target_phys_addr_t phys_addr, ram_addr_t size)
{
return kvm_dirty_pages_log_change(phys_addr, size, true);
}
| 26,289 |
qemu | fa617181839741727d0067ea68807133f498f29b | 1 | static int megasas_scsi_init(PCIDevice *dev)
{
DeviceState *d = DEVICE(dev);
MegasasState *s = MEGASAS(dev);
MegasasBaseClass *b = MEGASAS_DEVICE_GET_CLASS(s);
uint8_t *pci_conf;
int i, bar_type;
Error *err = NULL;
pci_conf = dev->config;
/* PCI latency timer = 0 */
pci_conf[PCI_LATENCY_TIMER] = 0;
/* Interrupt pin 1 */
pci_conf[PCI_INTERRUPT_PIN] = 0x01;
memory_region_init_io(&s->mmio_io, OBJECT(s), &megasas_mmio_ops, s,
"megasas-mmio", 0x4000);
memory_region_init_io(&s->port_io, OBJECT(s), &megasas_port_ops, s,
"megasas-io", 256);
memory_region_init_io(&s->queue_io, OBJECT(s), &megasas_queue_ops, s,
"megasas-queue", 0x40000);
if (megasas_use_msi(s) &&
msi_init(dev, 0x50, 1, true, false)) {
s->flags &= ~MEGASAS_MASK_USE_MSI;
}
if (megasas_use_msix(s) &&
msix_init(dev, 15, &s->mmio_io, b->mmio_bar, 0x2000,
&s->mmio_io, b->mmio_bar, 0x3800, 0x68)) {
s->flags &= ~MEGASAS_MASK_USE_MSIX;
}
if (pci_is_express(dev)) {
pcie_endpoint_cap_init(dev, 0xa0);
}
bar_type = PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64;
pci_register_bar(dev, b->ioport_bar,
PCI_BASE_ADDRESS_SPACE_IO, &s->port_io);
pci_register_bar(dev, b->mmio_bar, bar_type, &s->mmio_io);
pci_register_bar(dev, 3, bar_type, &s->queue_io);
if (megasas_use_msix(s)) {
msix_vector_use(dev, 0);
}
s->fw_state = MFI_FWSTATE_READY;
if (!s->sas_addr) {
s->sas_addr = ((NAA_LOCALLY_ASSIGNED_ID << 24) |
IEEE_COMPANY_LOCALLY_ASSIGNED) << 36;
s->sas_addr |= (pci_bus_num(dev->bus) << 16);
s->sas_addr |= (PCI_SLOT(dev->devfn) << 8);
s->sas_addr |= PCI_FUNC(dev->devfn);
}
if (!s->hba_serial) {
s->hba_serial = g_strdup(MEGASAS_HBA_SERIAL);
}
if (s->fw_sge >= MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE) {
s->fw_sge = MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE;
} else if (s->fw_sge >= 128 - MFI_PASS_FRAME_SIZE) {
s->fw_sge = 128 - MFI_PASS_FRAME_SIZE;
} else {
s->fw_sge = 64 - MFI_PASS_FRAME_SIZE;
}
if (s->fw_cmds > MEGASAS_MAX_FRAMES) {
s->fw_cmds = MEGASAS_MAX_FRAMES;
}
trace_megasas_init(s->fw_sge, s->fw_cmds,
megasas_is_jbod(s) ? "jbod" : "raid");
if (megasas_is_jbod(s)) {
s->fw_luns = MFI_MAX_SYS_PDS;
} else {
s->fw_luns = MFI_MAX_LD;
}
s->producer_pa = 0;
s->consumer_pa = 0;
for (i = 0; i < s->fw_cmds; i++) {
s->frames[i].index = i;
s->frames[i].context = -1;
s->frames[i].pa = 0;
s->frames[i].state = s;
}
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&megasas_scsi_info, NULL);
if (!d->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus, &err);
if (err != NULL) {
error_free(err);
return -1;
}
}
return 0;
} | 26,290 |
qemu | 98f28ad7a7d26e5e77c5cb37b262d76d6ccd963d | 1 | VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
DriveInfo *dinfo;
if (!conf->bs) {
error_report("virtio-blk-pci: drive property not set");
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = conf->bs;
s->conf = conf;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
/* NB: per existing s/n string convention the string is terminated
* by '\0' only when less than sizeof (s->sn)
*/
dinfo = drive_get_by_blockdev(s->bs);
strncpy(s->sn, dinfo->serial, sizeof (s->sn));
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_removable(s->bs, 0);
return &s->vdev;
| 26,292 |
qemu | 5839e53bbc0fec56021d758aab7610df421ed8c8 | 1 | int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
{
BDRVQcowState *s = bs->opaque;
QEMUSnapshotInfo *sn_tab, *sn_info;
QCowSnapshot *sn;
int i;
if (!s->nb_snapshots) {
*psn_tab = NULL;
return s->nb_snapshots;
}
sn_tab = g_malloc0(s->nb_snapshots * sizeof(QEMUSnapshotInfo));
for(i = 0; i < s->nb_snapshots; i++) {
sn_info = sn_tab + i;
sn = s->snapshots + i;
pstrcpy(sn_info->id_str, sizeof(sn_info->id_str),
sn->id_str);
pstrcpy(sn_info->name, sizeof(sn_info->name),
sn->name);
sn_info->vm_state_size = sn->vm_state_size;
sn_info->date_sec = sn->date_sec;
sn_info->date_nsec = sn->date_nsec;
sn_info->vm_clock_nsec = sn->vm_clock_nsec;
}
*psn_tab = sn_tab;
return s->nb_snapshots;
}
| 26,293 |
FFmpeg | c23acbaed40101c677dfcfbbfe0d2c230a8e8f44 | 1 | static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
register int t1,t2,t3,t4,t5,t6,t7,t8;
DCTELEM *src, *dst;
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
src = block;
dst = block;
for(i = 0; i < 8; i++){
t1 = 17 * (src[0] + src[2]) + 4;
t2 = 17 * (src[0] - src[2]) + 4;
t3 = 22 * src[1] + 10 * src[3];
t4 = 22 * src[3] - 10 * src[1];
dst[0] = (t1 + t3) >> 3;
dst[1] = (t2 - t4) >> 3;
dst[2] = (t2 + t4) >> 3;
dst[3] = (t1 - t3) >> 3;
src += 8;
dst += 8;
}
src = block;
for(i = 0; i < 4; i++){
t1 = 12 * (src[ 0] + src[32]) + 64;
t2 = 12 * (src[ 0] - src[32]) + 64;
t3 = 16 * src[16] + 6 * src[48];
t4 = 6 * src[16] - 16 * src[48];
t5 = t1 + t3;
t6 = t2 + t4;
t7 = t2 - t4;
t8 = t1 - t3;
t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)];
dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)];
dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)];
dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)];
dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)];
dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)];
dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)];
dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)];
src ++;
dest++;
}
}
| 26,295 |
qemu | 367790cce8e14131426f5190dfd7d1bdbf656e4d | 1 | DISAS_INSN(shift_reg)
{
TCGv reg;
TCGv shift;
reg = DREG(insn, 0);
shift = DREG(insn, 9);
if (insn & 0x100) {
gen_helper_shl_cc(reg, cpu_env, reg, shift);
} else {
if (insn & 8) {
gen_helper_shr_cc(reg, cpu_env, reg, shift);
} else {
gen_helper_sar_cc(reg, cpu_env, reg, shift);
}
}
set_cc_op(s, CC_OP_FLAGS);
}
| 26,297 |
FFmpeg | 9ccc6cecd2d0645f5073382360509eb278b239b1 | 1 | static av_cold int decode_init(WMAProDecodeCtx *s, AVCodecContext *avctx)
{
uint8_t *edata_ptr = avctx->extradata;
unsigned int channel_mask;
int i, bits;
int log2_max_num_subframes;
int num_possible_block_sizes;
if (avctx->codec_id == AV_CODEC_ID_XMA1 || avctx->codec_id == AV_CODEC_ID_XMA2)
avctx->block_align = 2048;
if (!avctx->block_align) {
av_log(avctx, AV_LOG_ERROR, "block_align is not set\n");
return AVERROR(EINVAL);
}
s->avctx = avctx;
s->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
if (!s->fdsp)
return AVERROR(ENOMEM);
init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
/** dump the extradata */
av_log(avctx, AV_LOG_DEBUG, "extradata:\n");
for (i = 0; i < avctx->extradata_size; i++)
av_log(avctx, AV_LOG_DEBUG, "[%x] ", avctx->extradata[i]);
av_log(avctx, AV_LOG_DEBUG, "\n");
if (avctx->codec_id == AV_CODEC_ID_XMA2 && (!avctx->extradata || avctx->extradata_size >= 6)) {
s->decode_flags = 0x10d6;
channel_mask = avctx->extradata ? AV_RL32(edata_ptr+2) : 0;
s->bits_per_sample = 16;
} else if (avctx->codec_id == AV_CODEC_ID_XMA1) {
s->decode_flags = 0x10d6;
s->bits_per_sample = 16;
channel_mask = 0;
} else if (avctx->codec_id == AV_CODEC_ID_WMAPRO && avctx->extradata_size >= 18) {
s->decode_flags = AV_RL16(edata_ptr+14);
channel_mask = AV_RL32(edata_ptr+2);
s->bits_per_sample = AV_RL16(edata_ptr);
if (s->bits_per_sample > 32 || s->bits_per_sample < 1) {
avpriv_request_sample(avctx, "bits per sample is %d", s->bits_per_sample);
return AVERROR_PATCHWELCOME;
}
} else {
avpriv_request_sample(avctx, "Unknown extradata size");
return AVERROR_PATCHWELCOME;
}
if (avctx->codec_id != AV_CODEC_ID_WMAPRO && avctx->channels > 2) {
s->nb_channels = 2;
} else {
s->nb_channels = avctx->channels;
}
/** generic init */
s->log2_frame_size = av_log2(avctx->block_align) + 4;
if (s->log2_frame_size > 25) {
avpriv_request_sample(avctx, "Large block align");
return AVERROR_PATCHWELCOME;
}
/** frame info */
if (avctx->codec_id != AV_CODEC_ID_WMAPRO)
s->skip_frame = 0;
else
s->skip_frame = 1; /* skip first frame */
s->packet_loss = 1;
s->len_prefix = (s->decode_flags & 0x40);
/** get frame len */
if (avctx->codec_id == AV_CODEC_ID_WMAPRO) {
bits = ff_wma_get_frame_len_bits(avctx->sample_rate, 3, s->decode_flags);
if (bits > WMAPRO_BLOCK_MAX_BITS) {
avpriv_request_sample(avctx, "14-bit block sizes");
return AVERROR_PATCHWELCOME;
}
s->samples_per_frame = 1 << bits;
} else {
s->samples_per_frame = 512;
}
/** subframe info */
log2_max_num_subframes = ((s->decode_flags & 0x38) >> 3);
s->max_num_subframes = 1 << log2_max_num_subframes;
if (s->max_num_subframes == 16 || s->max_num_subframes == 4)
s->max_subframe_len_bit = 1;
s->subframe_len_bits = av_log2(log2_max_num_subframes) + 1;
num_possible_block_sizes = log2_max_num_subframes + 1;
s->min_samples_per_subframe = s->samples_per_frame / s->max_num_subframes;
s->dynamic_range_compression = (s->decode_flags & 0x80);
if (s->max_num_subframes > MAX_SUBFRAMES) {
av_log(avctx, AV_LOG_ERROR, "invalid number of subframes %"PRId8"\n",
s->max_num_subframes);
return AVERROR_INVALIDDATA;
}
if (s->min_samples_per_subframe < WMAPRO_BLOCK_MIN_SIZE) {
av_log(avctx, AV_LOG_ERROR, "min_samples_per_subframe of %d too small\n",
s->min_samples_per_subframe);
return AVERROR_INVALIDDATA;
}
if (s->avctx->sample_rate <= 0) {
av_log(avctx, AV_LOG_ERROR, "invalid sample rate\n");
return AVERROR_INVALIDDATA;
}
if (s->nb_channels <= 0) {
av_log(avctx, AV_LOG_ERROR, "invalid number of channels %d\n",
s->nb_channels);
return AVERROR_INVALIDDATA;
} else if (s->nb_channels > WMAPRO_MAX_CHANNELS) {
avpriv_request_sample(avctx,
"More than %d channels", WMAPRO_MAX_CHANNELS);
return AVERROR_PATCHWELCOME;
}
/** init previous block len */
for (i = 0; i < s->nb_channels; i++)
s->channel[i].prev_block_len = s->samples_per_frame;
/** extract lfe channel position */
s->lfe_channel = -1;
if (channel_mask & 8) {
unsigned int mask;
for (mask = 1; mask < 16; mask <<= 1) {
if (channel_mask & mask)
++s->lfe_channel;
}
}
INIT_VLC_STATIC(&sf_vlc, SCALEVLCBITS, HUFF_SCALE_SIZE,
scale_huffbits, 1, 1,
scale_huffcodes, 2, 2, 616);
INIT_VLC_STATIC(&sf_rl_vlc, VLCBITS, HUFF_SCALE_RL_SIZE,
scale_rl_huffbits, 1, 1,
scale_rl_huffcodes, 4, 4, 1406);
INIT_VLC_STATIC(&coef_vlc[0], VLCBITS, HUFF_COEF0_SIZE,
coef0_huffbits, 1, 1,
coef0_huffcodes, 4, 4, 2108);
INIT_VLC_STATIC(&coef_vlc[1], VLCBITS, HUFF_COEF1_SIZE,
coef1_huffbits, 1, 1,
coef1_huffcodes, 4, 4, 3912);
INIT_VLC_STATIC(&vec4_vlc, VLCBITS, HUFF_VEC4_SIZE,
vec4_huffbits, 1, 1,
vec4_huffcodes, 2, 2, 604);
INIT_VLC_STATIC(&vec2_vlc, VLCBITS, HUFF_VEC2_SIZE,
vec2_huffbits, 1, 1,
vec2_huffcodes, 2, 2, 562);
INIT_VLC_STATIC(&vec1_vlc, VLCBITS, HUFF_VEC1_SIZE,
vec1_huffbits, 1, 1,
vec1_huffcodes, 2, 2, 562);
/** calculate number of scale factor bands and their offsets
for every possible block size */
for (i = 0; i < num_possible_block_sizes; i++) {
int subframe_len = s->samples_per_frame >> i;
int x;
int band = 1;
int rate = get_rate(avctx);
s->sfb_offsets[i][0] = 0;
for (x = 0; x < MAX_BANDS-1 && s->sfb_offsets[i][band - 1] < subframe_len; x++) {
int offset = (subframe_len * 2 * critical_freq[x]) / rate + 2;
offset &= ~3;
if (offset > s->sfb_offsets[i][band - 1])
s->sfb_offsets[i][band++] = offset;
if (offset >= subframe_len)
break;
}
s->sfb_offsets[i][band - 1] = subframe_len;
s->num_sfb[i] = band - 1;
if (s->num_sfb[i] <= 0) {
av_log(avctx, AV_LOG_ERROR, "num_sfb invalid\n");
return AVERROR_INVALIDDATA;
}
}
/** Scale factors can be shared between blocks of different size
as every block has a different scale factor band layout.
The matrix sf_offsets is needed to find the correct scale factor.
*/
for (i = 0; i < num_possible_block_sizes; i++) {
int b;
for (b = 0; b < s->num_sfb[i]; b++) {
int x;
int offset = ((s->sfb_offsets[i][b]
+ s->sfb_offsets[i][b + 1] - 1) << i) >> 1;
for (x = 0; x < num_possible_block_sizes; x++) {
int v = 0;
while (s->sfb_offsets[x][v + 1] << x < offset) {
v++;
av_assert0(v < MAX_BANDS);
}
s->sf_offsets[i][x][b] = v;
}
}
}
/** init MDCT, FIXME: only init needed sizes */
for (i = 0; i < WMAPRO_BLOCK_SIZES; i++)
ff_mdct_init(&s->mdct_ctx[i], WMAPRO_BLOCK_MIN_BITS+1+i, 1,
1.0 / (1 << (WMAPRO_BLOCK_MIN_BITS + i - 1))
/ (1 << (s->bits_per_sample - 1)));
/** init MDCT windows: simple sine window */
for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) {
const int win_idx = WMAPRO_BLOCK_MAX_BITS - i;
ff_init_ff_sine_windows(win_idx);
s->windows[WMAPRO_BLOCK_SIZES - i - 1] = ff_sine_windows[win_idx];
}
/** calculate subwoofer cutoff values */
for (i = 0; i < num_possible_block_sizes; i++) {
int block_size = s->samples_per_frame >> i;
int cutoff = (440*block_size + 3LL * (s->avctx->sample_rate >> 1) - 1)
/ s->avctx->sample_rate;
s->subwoofer_cutoffs[i] = av_clip(cutoff, 4, block_size);
}
/** calculate sine values for the decorrelation matrix */
for (i = 0; i < 33; i++)
sin64[i] = sin(i*M_PI / 64.0);
if (avctx->debug & FF_DEBUG_BITSTREAM)
dump_context(s);
avctx->channel_layout = channel_mask;
return 0;
}
| 26,298 |
qemu | b4ba67d9a702507793c2724e56f98e9b0f7be02b | 1 | static uint16_t qvirtio_pci_get_queue_size(QVirtioDevice *d)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
return qpci_io_readw(dev->pdev, dev->addr + VIRTIO_PCI_QUEUE_NUM);
}
| 26,299 |
qemu | 92196b2f5664d5defa778b1b24df56e2239b5e93 | 1 | int bdrv_pwrite_sync(BlockDriverState *bs, int64_t offset,
const void *buf, int count)
{
int ret;
ret = bdrv_pwrite(bs, offset, buf, count);
if (ret < 0) {
return ret;
}
/* No flush needed for cache=writethrough, it uses O_DSYNC */
if ((bs->open_flags & BDRV_O_CACHE_MASK) != 0) {
bdrv_flush(bs);
}
return 0;
}
| 26,301 |
FFmpeg | b8b8e82ea14016b2cb04b49ecea57f836e6ee7f8 | 1 | static void dnxhd_decode_dct_block_8(const DNXHDContext *ctx,
RowContext *row, int n)
{
dnxhd_decode_dct_block(ctx, row, n, 4, 32, 6);
}
| 26,302 |
FFmpeg | 386601286fed2dff5e1955bc21a0256f6f35ab19 | 1 | int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
{
unsigned int first_mb_in_slice;
unsigned int pps_id;
int ret;
unsigned int slice_type, tmp, i, j;
int last_pic_structure, last_pic_droppable;
int must_reinit;
int needs_reinit = 0;
int field_pic_flag, bottom_field_flag;
int first_slice = sl == h->slice_ctx && !h->current_slice;
int frame_num, picture_structure, droppable;
PPS *pps;
h->qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
h->qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
first_mb_in_slice = get_ue_golomb_long(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
if (h->current_slice) {
if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
ff_h264_field_end(h, sl, 1);
h->current_slice = 0;
} else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == NAL_IDR_SLICE) {
av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
ff_h264_field_end(h, sl, 1);
h->current_slice = 0;
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
h->cur_pic_ptr = NULL;
} else
return AVERROR_INVALIDDATA;
}
if (!h->first_field) {
if (h->cur_pic_ptr && !h->droppable) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
h->picture_structure == PICT_BOTTOM_FIELD);
}
h->cur_pic_ptr = NULL;
}
}
slice_type = get_ue_golomb_31(&sl->gb);
if (slice_type > 9) {
av_log(h->avctx, AV_LOG_ERROR,
"slice type %d too large at %d\n",
slice_type, first_mb_in_slice);
return AVERROR_INVALIDDATA;
}
if (slice_type > 4) {
slice_type -= 5;
sl->slice_type_fixed = 1;
} else
sl->slice_type_fixed = 0;
slice_type = golomb_to_pict_type[slice_type];
sl->slice_type = slice_type;
sl->slice_type_nos = slice_type & 3;
if (h->nal_unit_type == NAL_IDR_SLICE &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) {
av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
return AVERROR_INVALIDDATA;
}
if (
(h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
(h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
(h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
(h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != NAL_IDR_SLICE) ||
h->avctx->skip_frame >= AVDISCARD_ALL) {
return SLICE_SKIPED;
}
// to make a few old functions happy, it's wrong though
h->pict_type = sl->slice_type;
pps_id = get_ue_golomb(&sl->gb);
if (pps_id >= MAX_PPS_COUNT) {
av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id);
return AVERROR_INVALIDDATA;
}
if (!h->pps_buffers[pps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing PPS %u referenced\n",
pps_id);
return AVERROR_INVALIDDATA;
}
if (h->au_pps_id >= 0 && pps_id != h->au_pps_id) {
av_log(h->avctx, AV_LOG_ERROR,
"PPS change from %d to %d forbidden\n",
h->au_pps_id, pps_id);
return AVERROR_INVALIDDATA;
}
pps = h->pps_buffers[pps_id];
if (!h->sps_buffers[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n",
h->pps.sps_id);
return AVERROR_INVALIDDATA;
}
if (first_slice)
h->pps = *h->pps_buffers[pps_id];
if (pps->sps_id != h->sps.sps_id ||
pps->sps_id != h->current_sps_id ||
h->sps_buffers[pps->sps_id]->new) {
if (!first_slice) {
av_log(h->avctx, AV_LOG_ERROR,
"SPS changed in the middle of the frame\n");
return AVERROR_INVALIDDATA;
}
h->sps = *h->sps_buffers[h->pps.sps_id];
if (h->mb_width != h->sps.mb_width ||
h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) ||
h->cur_bit_depth_luma != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc
)
needs_reinit = 1;
if (h->bit_depth_luma != h->sps.bit_depth_luma ||
h->chroma_format_idc != h->sps.chroma_format_idc) {
h->bit_depth_luma = h->sps.bit_depth_luma;
h->chroma_format_idc = h->sps.chroma_format_idc;
needs_reinit = 1;
}
if ((ret = ff_h264_set_parameter_from_sps(h)) < 0)
return ret;
}
h->avctx->profile = ff_h264_get_profile(&h->sps);
h->avctx->level = h->sps.level_idc;
h->avctx->refs = h->sps.ref_frame_count;
must_reinit = (h->context_initialized &&
( 16*h->sps.mb_width != h->avctx->coded_width
|| 16*h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) != h->avctx->coded_height
|| h->cur_bit_depth_luma != h->sps.bit_depth_luma
|| h->cur_chroma_format_idc != h->sps.chroma_format_idc
|| h->mb_width != h->sps.mb_width
|| h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag)
));
if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
|| (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
must_reinit = 1;
if (first_slice && av_cmp_q(h->sps.sar, h->avctx->sample_aspect_ratio))
must_reinit = 1;
h->mb_width = h->sps.mb_width;
h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
h->mb_num = h->mb_width * h->mb_height;
h->mb_stride = h->mb_width + 1;
h->b_stride = h->mb_width * 4;
h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
h->width = 16 * h->mb_width;
h->height = 16 * h->mb_height;
ret = init_dimensions(h);
if (ret < 0)
return ret;
if (h->sps.video_signal_type_present_flag) {
h->avctx->color_range = h->sps.full_range>0 ? AVCOL_RANGE_JPEG
: AVCOL_RANGE_MPEG;
if (h->sps.colour_description_present_flag) {
if (h->avctx->colorspace != h->sps.colorspace)
needs_reinit = 1;
h->avctx->color_primaries = h->sps.color_primaries;
h->avctx->color_trc = h->sps.color_trc;
h->avctx->colorspace = h->sps.colorspace;
}
}
if (h->context_initialized &&
(must_reinit || needs_reinit)) {
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"changing width %d -> %d / height %d -> %d on "
"slice %d\n",
h->width, h->avctx->coded_width,
h->height, h->avctx->coded_height,
h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
av_assert1(first_slice);
ff_h264_flush_change(h);
if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
"pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
if ((ret = h264_slice_header_init(h, 1)) < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"h264_slice_header_init() failed\n");
return ret;
}
}
if (!h->context_initialized) {
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Cannot (re-)initialize context during parallel decoding.\n");
return AVERROR_PATCHWELCOME;
}
if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
if ((ret = h264_slice_header_init(h, 0)) < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"h264_slice_header_init() failed\n");
return ret;
}
}
if (first_slice && h->dequant_coeff_pps != pps_id) {
h->dequant_coeff_pps = pps_id;
ff_h264_init_dequant_tables(h);
}
frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
if (!first_slice) {
if (h->frame_num != frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
h->frame_num, frame_num);
return AVERROR_INVALIDDATA;
}
}
sl->mb_mbaff = 0;
h->mb_aff_frame = 0;
last_pic_structure = h->picture_structure;
last_pic_droppable = h->droppable;
droppable = h->nal_ref_idc == 0;
if (h->sps.frame_mbs_only_flag) {
picture_structure = PICT_FRAME;
} else {
if (!h->sps.direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
return -1;
}
field_pic_flag = get_bits1(&sl->gb);
if (field_pic_flag) {
bottom_field_flag = get_bits1(&sl->gb);
picture_structure = PICT_TOP_FIELD + bottom_field_flag;
} else {
picture_structure = PICT_FRAME;
h->mb_aff_frame = h->sps.mb_aff;
}
}
if (h->current_slice) {
if (last_pic_structure != picture_structure ||
last_pic_droppable != droppable) {
av_log(h->avctx, AV_LOG_ERROR,
"Changing field mode (%d -> %d) between slices is not allowed\n",
last_pic_structure, h->picture_structure);
return AVERROR_INVALIDDATA;
} else if (!h->cur_pic_ptr) {
av_log(h->avctx, AV_LOG_ERROR,
"unset cur_pic_ptr on slice %d\n",
h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
}
h->picture_structure = picture_structure;
h->droppable = droppable;
h->frame_num = frame_num;
sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
if (h->current_slice == 0) {
/* Shorten frame num gaps so we don't have to allocate reference
* frames just to throw them away */
if (h->frame_num != h->prev_frame_num) {
int unwrap_prev_frame_num = h->prev_frame_num;
int max_frame_num = 1 << h->sps.log2_max_frame_num;
if (unwrap_prev_frame_num > h->frame_num)
unwrap_prev_frame_num -= max_frame_num;
if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {
unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;
if (unwrap_prev_frame_num < 0)
unwrap_prev_frame_num += max_frame_num;
h->prev_frame_num = unwrap_prev_frame_num;
}
}
/* See if we have a decoded first field looking for a pair...
* Here, we're using that to see if we should mark previously
* decode frames as "finished".
* We have to do that before the "dummy" in-between frame allocation,
* since that can modify h->cur_pic_ptr. */
if (h->first_field) {
assert(h->cur_pic_ptr);
assert(h->cur_pic_ptr->f.buf[0]);
assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
/* Mark old field/frame as completed */
if (h->cur_pic_ptr->tf.owner == h->avctx) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_BOTTOM_FIELD);
}
/* figure out if we have a complementary field pair */
if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
if (h->cur_pic_ptr->frame_num != h->frame_num) {
/* This and previous field were reference, but had
* different frame_nums. Consider this field first in
* pair. Throw away previous field except for reference
* purposes. */
if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
/* Second field in complementary pair */
if (!((last_pic_structure == PICT_TOP_FIELD &&
h->picture_structure == PICT_BOTTOM_FIELD) ||
(last_pic_structure == PICT_BOTTOM_FIELD &&
h->picture_structure == PICT_TOP_FIELD))) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid field mode combination %d/%d\n",
last_pic_structure, h->picture_structure);
h->picture_structure = last_pic_structure;
h->droppable = last_pic_droppable;
return AVERROR_INVALIDDATA;
} else if (last_pic_droppable != h->droppable) {
avpriv_request_sample(h->avctx,
"Found reference and non-reference fields in the same frame, which");
h->picture_structure = last_pic_structure;
h->droppable = last_pic_droppable;
return AVERROR_PATCHWELCOME;
}
}
}
}
while (h->frame_num != h->prev_frame_num && !h->first_field &&
h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {
H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
h->frame_num, h->prev_frame_num);
if (!h->sps.gaps_in_frame_num_allowed_flag)
for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
h->last_pocs[i] = INT_MIN;
ret = h264_frame_start(h);
if (ret < 0) {
h->first_field = 0;
return ret;
}
h->prev_frame_num++;
h->prev_frame_num %= 1 << h->sps.log2_max_frame_num;
h->cur_pic_ptr->frame_num = h->prev_frame_num;
h->cur_pic_ptr->invalid_gap = !h->sps.gaps_in_frame_num_allowed_flag;
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
ret = ff_generate_sliding_window_mmcos(h, 1);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return ret;
ret = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return ret;
/* Error concealment: If a ref is missing, copy the previous ref
* in its place.
* FIXME: Avoiding a memcpy would be nice, but ref handling makes
* many assumptions about there being no actual duplicates.
* FIXME: This does not copy padding for out-of-frame motion
* vectors. Given we are concealing a lost frame, this probably
* is not noticeable by comparison, but it should be fixed. */
if (h->short_ref_count) {
if (prev) {
av_image_copy(h->short_ref[0]->f.data,
h->short_ref[0]->f.linesize,
(const uint8_t **)prev->f.data,
prev->f.linesize,
h->avctx->pix_fmt,
h->mb_width * 16,
h->mb_height * 16);
h->short_ref[0]->poc = prev->poc + 2;
}
h->short_ref[0]->frame_num = h->prev_frame_num;
}
}
/* See if we have a decoded first field looking for a pair...
* We're using that to see whether to continue decoding in that
* frame, or to allocate a new one. */
if (h->first_field) {
assert(h->cur_pic_ptr);
assert(h->cur_pic_ptr->f.buf[0]);
assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
/* figure out if we have a complementary field pair */
if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
h->missing_fields ++;
h->cur_pic_ptr = NULL;
h->first_field = FIELD_PICTURE(h);
} else {
h->missing_fields = 0;
if (h->cur_pic_ptr->frame_num != h->frame_num) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
h->picture_structure==PICT_BOTTOM_FIELD);
/* This and the previous field had different frame_nums.
* Consider this field first in pair. Throw away previous
* one except for reference purposes. */
h->first_field = 1;
h->cur_pic_ptr = NULL;
} else {
/* Second field in complementary pair */
h->first_field = 0;
}
}
} else {
/* Frame or first field in a potentially complementary pair */
h->first_field = FIELD_PICTURE(h);
}
if (!FIELD_PICTURE(h) || h->first_field) {
if (h264_frame_start(h) < 0) {
h->first_field = 0;
return AVERROR_INVALIDDATA;
}
} else {
release_unused_pictures(h, 0);
}
/* Some macroblocks can be accessed before they're available in case
* of lost slices, MBAFF or threading. */
if (FIELD_PICTURE(h)) {
for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
} else {
memset(h->slice_table, -1,
(h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
}
h->last_slice_type = -1;
}
h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup
av_assert1(h->mb_num == h->mb_width * h->mb_height);
if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
first_mb_in_slice >= h->mb_num) {
av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
return AVERROR_INVALIDDATA;
}
sl->resync_mb_x = sl->mb_x = first_mb_in_slice % h->mb_width;
sl->resync_mb_y = sl->mb_y = (first_mb_in_slice / h->mb_width) <<
FIELD_OR_MBAFF_PICTURE(h);
if (h->picture_structure == PICT_BOTTOM_FIELD)
sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
av_assert1(sl->mb_y < h->mb_height);
if (h->picture_structure == PICT_FRAME) {
h->curr_pic_num = h->frame_num;
h->max_pic_num = 1 << h->sps.log2_max_frame_num;
} else {
h->curr_pic_num = 2 * h->frame_num + 1;
h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1);
}
if (h->nal_unit_type == NAL_IDR_SLICE)
get_ue_golomb(&sl->gb); /* idr_pic_id */
if (h->sps.poc_type == 0) {
h->poc_lsb = get_bits(&sl->gb, h->sps.log2_max_poc_lsb);
if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
h->delta_poc_bottom = get_se_golomb(&sl->gb);
}
if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {
h->delta_poc[0] = get_se_golomb(&sl->gb);
if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
h->delta_poc[1] = get_se_golomb(&sl->gb);
}
ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc);
if (h->pps.redundant_pic_cnt_present)
sl->redundant_pic_count = get_ue_golomb(&sl->gb);
ret = ff_set_ref_count(h, sl);
if (ret < 0)
return ret;
if (slice_type != AV_PICTURE_TYPE_I &&
(h->current_slice == 0 ||
slice_type != h->last_slice_type ||
memcmp(h->last_ref_count, sl->ref_count, sizeof(sl->ref_count)))) {
ff_h264_fill_default_ref_list(h, sl);
}
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
ret = ff_h264_decode_ref_pic_list_reordering(h, sl);
if (ret < 0) {
sl->ref_count[1] = sl->ref_count[0] = 0;
return ret;
}
}
if ((h->pps.weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
(h->pps.weighted_bipred_idc == 1 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B))
ff_pred_weight_table(h, sl);
else if (h->pps.weighted_bipred_idc == 2 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) {
implicit_weight_table(h, sl, -1);
} else {
sl->use_weight = 0;
for (i = 0; i < 2; i++) {
sl->luma_weight_flag[i] = 0;
sl->chroma_weight_flag[i] = 0;
}
}
// If frame-mt is enabled, only update mmco tables for the first slice
// in a field. Subsequent slices can temporarily clobber h->mmco_index
// or h->mmco, which will cause ref list mix-ups and decoding errors
// further down the line. This may break decoding if the first slice is
// corrupt, thus we only do this if frame-mt is enabled.
if (h->nal_ref_idc) {
ret = ff_h264_decode_ref_pic_marking(h, &sl->gb,
!(h->avctx->active_thread_type & FF_THREAD_FRAME) ||
h->current_slice == 0);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
}
if (FRAME_MBAFF(h)) {
ff_h264_fill_mbaff_ref_list(h, sl);
if (h->pps.weighted_bipred_idc == 2 && sl->slice_type_nos == AV_PICTURE_TYPE_B) {
implicit_weight_table(h, sl, 0);
implicit_weight_table(h, sl, 1);
}
}
if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
ff_h264_direct_dist_scale_factor(h, sl);
ff_h264_direct_ref_list_init(h, sl);
if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->cabac_init_idc = tmp;
}
sl->last_qscale_diff = 0;
tmp = h->pps.init_qp + get_se_golomb(&sl->gb);
if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {
av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->qscale = tmp;
sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
// FIXME qscale / qp ... stuff
if (sl->slice_type == AV_PICTURE_TYPE_SP)
get_bits1(&sl->gb); /* sp_for_switch_flag */
if (sl->slice_type == AV_PICTURE_TYPE_SP ||
sl->slice_type == AV_PICTURE_TYPE_SI)
get_se_golomb(&sl->gb); /* slice_qs_delta */
sl->deblocking_filter = 1;
sl->slice_alpha_c0_offset = 0;
sl->slice_beta_offset = 0;
if (h->pps.deblocking_filter_parameters_present) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR,
"deblocking_filter_idc %u out of range\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->deblocking_filter = tmp;
if (sl->deblocking_filter < 2)
sl->deblocking_filter ^= 1; // 1<->0
if (sl->deblocking_filter) {
sl->slice_alpha_c0_offset = get_se_golomb(&sl->gb) * 2;
sl->slice_beta_offset = get_se_golomb(&sl->gb) * 2;
if (sl->slice_alpha_c0_offset > 12 ||
sl->slice_alpha_c0_offset < -12 ||
sl->slice_beta_offset > 12 ||
sl->slice_beta_offset < -12) {
av_log(h->avctx, AV_LOG_ERROR,
"deblocking filter parameters %d %d out of range\n",
sl->slice_alpha_c0_offset, sl->slice_beta_offset);
return AVERROR_INVALIDDATA;
}
}
}
if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
h->nal_unit_type != NAL_IDR_SLICE) ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
(h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
h->nal_ref_idc == 0))
sl->deblocking_filter = 0;
if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
if (h->avctx->flags2 & CODEC_FLAG2_FAST) {
/* Cheat slightly for speed:
* Do not bother to deblock across slices. */
sl->deblocking_filter = 2;
} else {
h->max_contexts = 1;
if (!h->single_decode_warning) {
av_log(h->avctx, AV_LOG_INFO,
"Cannot parallelize slice decoding with deblocking filter type 1, decoding such frames in sequential order\n"
"To parallelize slice decoding you need video encoded with disable_deblocking_filter_idc set to 2 (deblock only edges that do not cross slices).\n"
"Setting the flags2 libavcodec option to +fast (-flags2 +fast) will disable deblocking across slices and enable parallel slice decoding "
"but will generate non-standard-compliant output.\n");
h->single_decode_warning = 1;
}
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Deblocking switched inside frame.\n");
return SLICE_SINGLETHREAD;
}
}
}
sl->qp_thresh = 15 -
FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) -
FFMAX3(0,
h->pps.chroma_qp_index_offset[0],
h->pps.chroma_qp_index_offset[1]) +
6 * (h->sps.bit_depth_luma - 8);
h->last_slice_type = slice_type;
memcpy(h->last_ref_count, sl->ref_count, sizeof(h->last_ref_count));
sl->slice_num = ++h->current_slice;
if (sl->slice_num)
h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
&& h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
&& sl->slice_num >= MAX_SLICES) {
//in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
}
for (j = 0; j < 2; j++) {
int id_list[16];
int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
for (i = 0; i < 16; i++) {
id_list[i] = 60;
if (j < sl->list_count && i < sl->ref_count[j] &&
sl->ref_list[j][i].parent->f.buf[0]) {
int k;
AVBuffer *buf = sl->ref_list[j][i].parent->f.buf[0]->buffer;
for (k = 0; k < h->short_ref_count; k++)
if (h->short_ref[k]->f.buf[0]->buffer == buf) {
id_list[i] = k;
break;
}
for (k = 0; k < h->long_ref_count; k++)
if (h->long_ref[k] && h->long_ref[k]->f.buf[0]->buffer == buf) {
id_list[i] = h->short_ref_count + k;
break;
}
}
}
ref2frm[0] =
ref2frm[1] = -1;
for (i = 0; i < 16; i++)
ref2frm[i + 2] = 4 * id_list[i] + (sl->ref_list[j][i].reference & 3);
ref2frm[18 + 0] =
ref2frm[18 + 1] = -1;
for (i = 16; i < 48; i++)
ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +
(sl->ref_list[j][i].reference & 3);
}
h->au_pps_id = pps_id;
h->sps.new =
h->sps_buffers[h->pps.sps_id]->new = 0;
h->current_sps_id = h->pps.sps_id;
if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
av_log(h->avctx, AV_LOG_DEBUG,
"slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
sl->slice_num,
(h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"),
first_mb_in_slice,
av_get_picture_type_char(sl->slice_type),
sl->slice_type_fixed ? " fix" : "",
h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
pps_id, h->frame_num,
h->cur_pic_ptr->field_poc[0],
h->cur_pic_ptr->field_poc[1],
sl->ref_count[0], sl->ref_count[1],
sl->qscale,
sl->deblocking_filter,
sl->slice_alpha_c0_offset, sl->slice_beta_offset,
sl->use_weight,
sl->use_weight == 1 && sl->use_weight_chroma ? "c" : "",
sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
}
return 0;
}
| 26,303 |
FFmpeg | c6831e2a70f734c71f483d69d46d0635963530c7 | 1 | static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb,
int channel, int *last)
{
int t, t2;
int sign, base, add, ret;
WvChannel *c = &ctx->ch[channel];
*last = 0;
if ((ctx->ch[0].median[0] < 2U) && (ctx->ch[1].median[0] < 2U) &&
!ctx->zero && !ctx->one) {
if (ctx->zeroes) {
ctx->zeroes--;
if (ctx->zeroes) {
c->slow_level -= LEVEL_DECAY(c->slow_level);
return 0;
} else {
t = get_unary_0_33(gb);
if (t >= 2) {
if (get_bits_left(gb) < t - 1)
t = get_bits(gb, t - 1) | (1 << (t-1));
} else {
if (get_bits_left(gb) < 0)
ctx->zeroes = t;
if (ctx->zeroes) {
memset(ctx->ch[0].median, 0, sizeof(ctx->ch[0].median));
memset(ctx->ch[1].median, 0, sizeof(ctx->ch[1].median));
c->slow_level -= LEVEL_DECAY(c->slow_level);
return 0;
if (ctx->zero) {
t = 0;
ctx->zero = 0;
} else {
t = get_unary_0_33(gb);
if (get_bits_left(gb) < 0)
if (t == 16) {
t2 = get_unary_0_33(gb);
if (t2 < 2) {
if (get_bits_left(gb) < 0)
t += t2;
} else {
if (get_bits_left(gb) < t2 - 1)
t += get_bits(gb, t2 - 1) | (1 << (t2 - 1));
if (ctx->one) {
ctx->one = t & 1;
t = (t >> 1) + 1;
} else {
ctx->one = t & 1;
t >>= 1;
ctx->zero = !ctx->one;
if (ctx->hybrid && !channel)
update_error_limit(ctx);
if (!t) {
base = 0;
add = GET_MED(0) - 1;
DEC_MED(0);
} else if (t == 1) {
base = GET_MED(0);
add = GET_MED(1) - 1;
INC_MED(0);
DEC_MED(1);
} else if (t == 2) {
base = GET_MED(0) + GET_MED(1);
add = GET_MED(2) - 1;
INC_MED(0);
INC_MED(1);
DEC_MED(2);
} else {
base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);
add = GET_MED(2) - 1;
INC_MED(0);
INC_MED(1);
INC_MED(2);
if (!c->error_limit) {
ret = base + get_tail(gb, add);
if (get_bits_left(gb) <= 0)
} else {
int mid = (base * 2 + add + 1) >> 1;
while (add > c->error_limit) {
if (get_bits_left(gb) <= 0)
if (get_bits1(gb)) {
add -= (mid - base);
base = mid;
} else
add = mid - base - 1;
mid = (base * 2 + add + 1) >> 1;
ret = mid;
sign = get_bits1(gb);
if (ctx->hybrid_bitrate)
c->slow_level += wp_log2(ret) - LEVEL_DECAY(c->slow_level);
return sign ? ~ret : ret;
error:
*last = 1;
return 0;
| 26,304 |
qemu | 187337f8b0ec0813dd3876d1efe37d415fb81c2e | 1 | static pxa2xx_timer_info *pxa2xx_timer_init(target_phys_addr_t base,
qemu_irq *irqs)
{
int i;
int iomemtype;
pxa2xx_timer_info *s;
s = (pxa2xx_timer_info *) qemu_mallocz(sizeof(pxa2xx_timer_info));
s->base = base;
s->irq_enabled = 0;
s->oldclock = 0;
s->clock = 0;
s->lastload = qemu_get_clock(vm_clock);
s->reset3 = 0;
for (i = 0; i < 4; i ++) {
s->timer[i].value = 0;
s->timer[i].irq = irqs[i];
s->timer[i].info = s;
s->timer[i].num = i;
s->timer[i].level = 0;
s->timer[i].qtimer = qemu_new_timer(vm_clock,
pxa2xx_timer_tick, &s->timer[i]);
}
iomemtype = cpu_register_io_memory(0, pxa2xx_timer_readfn,
pxa2xx_timer_writefn, s);
cpu_register_physical_memory(base, 0x00000fff, iomemtype);
register_savevm("pxa2xx_timer", 0, 0,
pxa2xx_timer_save, pxa2xx_timer_load, s);
return s;
}
| 26,305 |
FFmpeg | ec3b22326dc07fb8300a577bd6b17c19a0f1bcf7 | 1 | static void http_write_packet(void *opaque,
unsigned char *buf, int size)
{
HTTPContext *c = opaque;
if (c->buffer_ptr == c->buffer_end || !c->buffer_ptr)
c->buffer_ptr = c->buffer_end = c->buffer;
if (c->buffer_end - c->buffer + size > IOBUFFER_MAX_SIZE)
abort();
memcpy(c->buffer_end, buf, size);
c->buffer_end += size;
}
| 26,307 |
qemu | df8bf7a7fe75eb5d5caffa55f5cd4292b757aea6 | 1 | void net_rx_pkt_attach_iovec_ex(struct NetRxPkt *pkt,
const struct iovec *iov, int iovcnt,
size_t iovoff, bool strip_vlan,
uint16_t vet)
{
uint16_t tci = 0;
uint16_t ploff = iovoff;
assert(pkt);
pkt->vlan_stripped = false;
if (strip_vlan) {
pkt->vlan_stripped = eth_strip_vlan_ex(iov, iovcnt, iovoff, vet,
pkt->ehdr_buf,
&ploff, &tci);
}
pkt->tci = tci;
net_rx_pkt_pull_data(pkt, iov, iovcnt, ploff);
}
| 26,308 |
FFmpeg | 131644677970a3c4a0096270ea2a5b5d437c2e63 | 1 | static int http_read_stream(URLContext *h, uint8_t *buf, int size)
{
HTTPContext *s = h->priv_data;
int err, new_location;
if (!s->hd)
return AVERROR_EOF;
if (s->end_chunked_post && !s->end_header) {
err = http_read_header(h, &new_location);
if (err < 0)
return err;
}
if (s->chunksize >= 0) {
if (!s->chunksize) {
char line[32];
for (;;) {
do {
if ((err = http_get_line(s, line, sizeof(line))) < 0)
return err;
} while (!*line); /* skip CR LF from last chunk */
s->chunksize = strtoll(line, NULL, 16);
av_log(NULL, AV_LOG_TRACE, "Chunked encoding data size: %"PRId64"'\n",
s->chunksize);
if (!s->chunksize)
return 0;
break;
}
}
size = FFMIN(size, s->chunksize);
}
#if CONFIG_ZLIB
if (s->compressed)
return http_buf_read_compressed(h, buf, size);
#endif /* CONFIG_ZLIB */
return http_buf_read(h, buf, size);
}
| 26,309 |
FFmpeg | ed3c9b5b0dd5abb545c48e930e1c32c187b0776a | 1 | static int lag_read_prob_header(lag_rac *rac, GetBitContext *gb)
{
int i, j, scale_factor;
unsigned prob, cumulative_target;
unsigned cumul_prob = 0;
unsigned scaled_cumul_prob = 0;
rac->prob[0] = 0;
rac->prob[257] = UINT_MAX;
/* Read probabilities from bitstream */
for (i = 1; i < 257; i++) {
if (lag_decode_prob(gb, &rac->prob[i]) < 0) {
av_log(rac->avctx, AV_LOG_ERROR, "Invalid probability encountered.\n");
return -1;
}
if ((uint64_t)cumul_prob + rac->prob[i] > UINT_MAX) {
av_log(rac->avctx, AV_LOG_ERROR, "Integer overflow encountered in cumulative probability calculation.\n");
return -1;
}
cumul_prob += rac->prob[i];
if (!rac->prob[i]) {
if (lag_decode_prob(gb, &prob)) {
av_log(rac->avctx, AV_LOG_ERROR, "Invalid probability run encountered.\n");
return -1;
}
if (prob > 256 - i)
prob = 256 - i;
for (j = 0; j < prob; j++)
rac->prob[++i] = 0;
}
}
if (!cumul_prob) {
av_log(rac->avctx, AV_LOG_ERROR, "All probabilities are 0!\n");
return -1;
}
/* Scale probabilities so cumulative probability is an even power of 2. */
scale_factor = av_log2(cumul_prob);
if (cumul_prob & (cumul_prob - 1)) {
uint64_t mul = softfloat_reciprocal(cumul_prob);
for (i = 1; i <= 128; i++) {
rac->prob[i] = softfloat_mul(rac->prob[i], mul);
scaled_cumul_prob += rac->prob[i];
}
if (scaled_cumul_prob <= 0) {
av_log(rac->avctx, AV_LOG_ERROR, "Scaled probabilities invalid\n");
return AVERROR_INVALIDDATA;
}
for (; i < 257; i++) {
rac->prob[i] = softfloat_mul(rac->prob[i], mul);
scaled_cumul_prob += rac->prob[i];
}
scale_factor++;
cumulative_target = 1 << scale_factor;
if (scaled_cumul_prob > cumulative_target) {
av_log(rac->avctx, AV_LOG_ERROR,
"Scaled probabilities are larger than target!\n");
return -1;
}
scaled_cumul_prob = cumulative_target - scaled_cumul_prob;
for (i = 1; scaled_cumul_prob; i = (i & 0x7f) + 1) {
if (rac->prob[i]) {
rac->prob[i]++;
scaled_cumul_prob--;
}
/* Comment from reference source:
* if (b & 0x80 == 0) { // order of operations is 'wrong'; it has been left this way
* // since the compression change is negligible and fixing it
* // breaks backwards compatibility
* b =- (signed int)b;
* b &= 0xFF;
* } else {
* b++;
* b &= 0x7f;
* }
*/
}
}
rac->scale = scale_factor;
/* Fill probability array with cumulative probability for each symbol. */
for (i = 1; i < 257; i++)
rac->prob[i] += rac->prob[i - 1];
return 0;
}
| 26,310 |
qemu | d83c951cce14dd3c7600c386d3791c4993744622 | 1 | static int ata_passthrough_12_xfer_size(SCSIDevice *dev, uint8_t *buf)
{
int length = buf[2] & 0x3;
int xfer;
int unit = ata_passthrough_xfer_unit(dev, buf);
switch (length) {
case 0:
case 3: /* USB-specific. */
xfer = 0;
break;
case 1:
xfer = buf[3];
break;
case 2:
xfer = buf[4];
break;
}
return xfer * unit;
} | 26,311 |
FFmpeg | 0058584580b87feb47898e60e4b80c7f425882ad | 0 | static inline void downmix_2f_2r_to_stereo(float *samples)
{
int i;
for (i = 0; i < 256; i++) {
samples[i] += samples[i + 512];
samples[i + 256] = samples[i + 768];
samples[i + 512] = samples[i + 768] = 0;
}
}
| 26,312 |
FFmpeg | c04c3282b4334ff64cfd69d40fea010602e830fd | 0 | static int video_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AVStream *st;
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = s->iformat->value;
st->need_parsing = 1;
/* for mjpeg, specify frame rate */
/* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
if (ap && ap->time_base.num) {
av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
} else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
st->codec->codec_id == CODEC_ID_MPEG4 ||
st->codec->codec_id == CODEC_ID_H264) {
av_set_pts_info(st, 64, 1, 25);
}
return 0;
}
| 26,313 |
FFmpeg | e278056fbad7405fc47901faea7de98db003a0fa | 0 | static int vp3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
static int counter = 0;
int i;
init_get_bits(&gb, buf, buf_size * 8);
if (s->theora && get_bits1(&gb))
{
#if 1
av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");
return -1;
#else
int ptype = get_bits(&gb, 7);
skip_bits(&gb, 6*8); /* "theora" */
switch(ptype)
{
case 1:
theora_decode_comments(avctx, gb);
break;
case 2:
theora_decode_tables(avctx, gb);
init_dequantizer(s);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown Theora config packet: %d\n", ptype);
}
return buf_size;
#endif
}
s->keyframe = !get_bits1(&gb);
if (!s->theora)
skip_bits(&gb, 1);
s->last_quality_index = s->quality_index;
s->quality_index = get_bits(&gb, 6);
if (s->theora >= 0x030200)
skip_bits1(&gb);
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
s->keyframe?"key":"", counter, s->quality_index);
counter++;
if (s->quality_index != s->last_quality_index) {
init_dequantizer(s);
init_loop_filter(s);
}
if (s->keyframe) {
if (!s->theora)
{
skip_bits(&gb, 4); /* width code */
skip_bits(&gb, 4); /* height code */
if (s->version)
{
s->version = get_bits(&gb, 5);
if (counter == 1)
av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);
}
}
if (s->version || s->theora)
{
if (get_bits1(&gb))
av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");
skip_bits(&gb, 2); /* reserved? */
}
if (s->last_frame.data[0] == s->golden_frame.data[0]) {
if (s->golden_frame.data[0])
avctx->release_buffer(avctx, &s->golden_frame);
s->last_frame= s->golden_frame; /* ensure that we catch any access to this released frame */
} else {
if (s->golden_frame.data[0])
avctx->release_buffer(avctx, &s->golden_frame);
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
}
s->golden_frame.reference = 3;
if(avctx->get_buffer(avctx, &s->golden_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");
return -1;
}
/* golden frame is also the current frame */
memcpy(&s->current_frame, &s->golden_frame, sizeof(AVFrame));
/* time to figure out pixel addresses? */
if (!s->pixel_addresses_inited)
{
if (!s->flipped_image)
vp3_calculate_pixel_addresses(s);
else
theora_calculate_pixel_addresses(s);
}
} else {
/* allocate a new current frame */
s->current_frame.reference = 3;
if(avctx->get_buffer(avctx, &s->current_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "vp3: get_buffer() failed\n");
return -1;
}
}
s->current_frame.qscale_table= s->qscale_table; //FIXME allocate individual tables per AVFrame
s->current_frame.qstride= 0;
{START_TIMER
init_frame(s, &gb);
STOP_TIMER("init_frame")}
#if KEYFRAMES_ONLY
if (!s->keyframe) {
memcpy(s->current_frame.data[0], s->golden_frame.data[0],
s->current_frame.linesize[0] * s->height);
memcpy(s->current_frame.data[1], s->golden_frame.data[1],
s->current_frame.linesize[1] * s->height / 2);
memcpy(s->current_frame.data[2], s->golden_frame.data[2],
s->current_frame.linesize[2] * s->height / 2);
} else {
#endif
{START_TIMER
if (unpack_superblocks(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
return -1;
}
STOP_TIMER("unpack_superblocks")}
{START_TIMER
if (unpack_modes(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");
return -1;
}
STOP_TIMER("unpack_modes")}
{START_TIMER
if (unpack_vectors(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");
return -1;
}
STOP_TIMER("unpack_vectors")}
{START_TIMER
if (unpack_dct_coeffs(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
return -1;
}
STOP_TIMER("unpack_dct_coeffs")}
{START_TIMER
reverse_dc_prediction(s, 0, s->fragment_width, s->fragment_height);
if ((avctx->flags & CODEC_FLAG_GRAY) == 0) {
reverse_dc_prediction(s, s->u_fragment_start,
s->fragment_width / 2, s->fragment_height / 2);
reverse_dc_prediction(s, s->v_fragment_start,
s->fragment_width / 2, s->fragment_height / 2);
}
STOP_TIMER("reverse_dc_prediction")}
{START_TIMER
for (i = 0; i < s->macroblock_height; i++)
render_slice(s, i);
STOP_TIMER("render_fragments")}
{START_TIMER
apply_loop_filter(s);
STOP_TIMER("apply_loop_filter")}
#if KEYFRAMES_ONLY
}
#endif
*data_size=sizeof(AVFrame);
*(AVFrame*)data= s->current_frame;
/* release the last frame, if it is allocated and if it is not the
* golden frame */
if ((s->last_frame.data[0]) &&
(s->last_frame.data[0] != s->golden_frame.data[0]))
avctx->release_buffer(avctx, &s->last_frame);
/* shuffle frames (last = current) */
memcpy(&s->last_frame, &s->current_frame, sizeof(AVFrame));
s->current_frame.data[0]= NULL; /* ensure that we catch any access to this released frame */
return buf_size;
}
| 26,314 |
qemu | 2466119c9551d606a0f92f9832e0c865bc04b488 | 1 | static inline int host_to_target_errno(int err)
{
if(host_to_target_errno_table[err])
return host_to_target_errno_table[err];
return err;
}
| 26,316 |
qemu | e8a40bf71d606f9f87866fb2461eaed52814b38e | 1 | void backup_start(const char *job_id, BlockDriverState *bs,
BlockDriverState *target, int64_t speed,
MirrorSyncMode sync_mode, BdrvDirtyBitmap *sync_bitmap,
bool compress,
BlockdevOnError on_source_error,
BlockdevOnError on_target_error,
int creation_flags,
BlockCompletionFunc *cb, void *opaque,
BlockJobTxn *txn, Error **errp)
{
int64_t len;
BlockDriverInfo bdi;
BackupBlockJob *job = NULL;
int ret;
assert(bs);
assert(target);
if (bs == target) {
error_setg(errp, "Source and target cannot be the same");
return;
}
if (!bdrv_is_inserted(bs)) {
error_setg(errp, "Device is not inserted: %s",
bdrv_get_device_name(bs));
return;
}
if (!bdrv_is_inserted(target)) {
error_setg(errp, "Device is not inserted: %s",
bdrv_get_device_name(target));
return;
}
if (compress && target->drv->bdrv_co_pwritev_compressed == NULL) {
error_setg(errp, "Compression is not supported for this drive %s",
bdrv_get_device_name(target));
return;
}
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKUP_SOURCE, errp)) {
return;
}
if (bdrv_op_is_blocked(target, BLOCK_OP_TYPE_BACKUP_TARGET, errp)) {
return;
}
if (sync_mode == MIRROR_SYNC_MODE_INCREMENTAL) {
if (!sync_bitmap) {
error_setg(errp, "must provide a valid bitmap name for "
"\"incremental\" sync mode");
return;
}
/* Create a new bitmap, and freeze/disable this one. */
if (bdrv_dirty_bitmap_create_successor(bs, sync_bitmap, errp) < 0) {
return;
}
} else if (sync_bitmap) {
error_setg(errp,
"a sync_bitmap was provided to backup_run, "
"but received an incompatible sync_mode (%s)",
MirrorSyncMode_lookup[sync_mode]);
return;
}
len = bdrv_getlength(bs);
if (len < 0) {
error_setg_errno(errp, -len, "unable to get length for '%s'",
bdrv_get_device_name(bs));
goto error;
}
job = block_job_create(job_id, &backup_job_driver, bs, speed,
creation_flags, cb, opaque, errp);
if (!job) {
goto error;
}
job->target = blk_new();
blk_insert_bs(job->target, target);
job->on_source_error = on_source_error;
job->on_target_error = on_target_error;
job->sync_mode = sync_mode;
job->sync_bitmap = sync_mode == MIRROR_SYNC_MODE_INCREMENTAL ?
sync_bitmap : NULL;
job->compress = compress;
/* If there is no backing file on the target, we cannot rely on COW if our
* backup cluster size is smaller than the target cluster size. Even for
* targets with a backing file, try to avoid COW if possible. */
ret = bdrv_get_info(target, &bdi);
if (ret < 0 && !target->backing) {
error_setg_errno(errp, -ret,
"Couldn't determine the cluster size of the target image, "
"which has no backing file");
error_append_hint(errp,
"Aborting, since this may create an unusable destination image\n");
goto error;
} else if (ret < 0 && target->backing) {
/* Not fatal; just trudge on ahead. */
job->cluster_size = BACKUP_CLUSTER_SIZE_DEFAULT;
} else {
job->cluster_size = MAX(BACKUP_CLUSTER_SIZE_DEFAULT, bdi.cluster_size);
}
block_job_add_bdrv(&job->common, target);
job->common.len = len;
job->common.co = qemu_coroutine_create(backup_run, job);
block_job_txn_add_job(txn, &job->common);
qemu_coroutine_enter(job->common.co);
return;
error:
if (sync_bitmap) {
bdrv_reclaim_dirty_bitmap(bs, sync_bitmap, NULL);
}
if (job) {
blk_unref(job->target);
block_job_unref(&job->common);
}
}
| 26,317 |
qemu | 0b8b8753e4d94901627b3e86431230f2319215c4 | 1 | static void restart_co_req(void *opaque)
{
Coroutine *co = opaque;
qemu_coroutine_enter(co, NULL);
}
| 26,318 |
qemu | 6bdcc018a6ed760b9dfe43539124e420aed83092 | 1 | static void nbd_coroutine_start(NBDClientSession *s,
NBDRequest *request)
{
/* Poor man semaphore. The free_sema is locked when no other request
* can be accepted, and unlocked after receiving one reply. */
if (s->in_flight == MAX_NBD_REQUESTS) {
qemu_co_queue_wait(&s->free_sema, NULL);
assert(s->in_flight < MAX_NBD_REQUESTS);
}
s->in_flight++;
/* s->recv_coroutine[i] is set as soon as we get the send_lock. */
}
| 26,319 |
FFmpeg | c39059bea3adebcd888571d1181db215eee54495 | 0 | void ff_h264_direct_dist_scale_factor(H264Context *const h)
{
const int poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
const int poc1 = h->ref_list[1][0].poc;
int i, field;
if (FRAME_MBAFF(h))
for (field = 0; field < 2; field++) {
const int poc = h->cur_pic_ptr->field_poc[field];
const int poc1 = h->ref_list[1][0].field_poc[field];
for (i = 0; i < 2 * h->ref_count[0]; i++)
h->dist_scale_factor_field[field][i ^ field] =
get_scale_factor(h, poc, poc1, i + 16);
}
for (i = 0; i < h->ref_count[0]; i++)
h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
}
| 26,322 |
qemu | 456736710df19c2275192269fe67a3f0b2583835 | 1 | static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
QDict *options, int flags, BlockDriver *drv)
{
int ret, open_flags;
const char *filename;
assert(drv != NULL);
assert(bs->file == NULL);
assert(options != NULL && bs->options != options);
trace_bdrv_open_common(bs, filename, flags, drv->format_name);
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv)) {
return -ENOTSUP;
}
/* bdrv_open() with directly using a protocol as drv. This layer is already
* opened, so assign it to bs (while file becomes a closed BlockDriverState)
* and return immediately. */
if (file != NULL && drv->bdrv_file_open) {
bdrv_swap(file, bs);
return 0;
}
bs->open_flags = flags;
bs->buffer_alignment = 512;
assert(bs->copy_on_read == 0); /* bdrv_new() and bdrv_close() make it so */
if ((flags & BDRV_O_RDWR) && (flags & BDRV_O_COPY_ON_READ)) {
bdrv_enable_copy_on_read(bs);
}
if (file != NULL) {
filename = file->filename;
} else {
filename = qdict_get_try_str(options, "filename");
}
if (filename != NULL) {
pstrcpy(bs->filename, sizeof(bs->filename), filename);
} else {
bs->filename[0] = '\0';
}
bs->drv = drv;
bs->opaque = g_malloc0(drv->instance_size);
bs->enable_write_cache = !!(flags & BDRV_O_CACHE_WB);
open_flags = bdrv_open_flags(bs, flags);
bs->read_only = !(open_flags & BDRV_O_RDWR);
/* Open the image, either directly or using a protocol */
if (drv->bdrv_file_open) {
assert(file == NULL);
assert(drv->bdrv_parse_filename || filename != NULL);
ret = drv->bdrv_file_open(bs, options, open_flags);
} else {
if (file == NULL) {
qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't use '%s' as a "
"block driver for the protocol level",
drv->format_name);
ret = -EINVAL;
goto free_and_fail;
}
assert(file != NULL);
bs->file = file;
ret = drv->bdrv_open(bs, options, open_flags);
}
if (ret < 0) {
goto free_and_fail;
}
ret = refresh_total_sectors(bs, bs->total_sectors);
if (ret < 0) {
goto free_and_fail;
}
#ifndef _WIN32
if (bs->is_temporary) {
assert(filename != NULL);
unlink(filename);
}
#endif
return 0;
free_and_fail:
bs->file = NULL;
g_free(bs->opaque);
bs->opaque = NULL;
bs->drv = NULL;
return ret;
}
| 26,323 |
qemu | b35278f75450e57c134a153e6da9744c1db8382f | 1 | static int qcow2_open(BlockDriverState *bs, int flags)
{
BDRVQcowState *s = bs->opaque;
int len, i, ret = 0;
QCowHeader header;
uint64_t ext_end;
ret = bdrv_pread(bs->file, 0, &header, sizeof(header));
if (ret < 0) {
goto fail;
}
be32_to_cpus(&header.magic);
be32_to_cpus(&header.version);
be64_to_cpus(&header.backing_file_offset);
be32_to_cpus(&header.backing_file_size);
be64_to_cpus(&header.size);
be32_to_cpus(&header.cluster_bits);
be32_to_cpus(&header.crypt_method);
be64_to_cpus(&header.l1_table_offset);
be32_to_cpus(&header.l1_size);
be64_to_cpus(&header.refcount_table_offset);
be32_to_cpus(&header.refcount_table_clusters);
be64_to_cpus(&header.snapshots_offset);
be32_to_cpus(&header.nb_snapshots);
if (header.magic != QCOW_MAGIC) {
ret = -EINVAL;
goto fail;
}
if (header.version < 2 || header.version > 3) {
report_unsupported(bs, "QCOW version %d", header.version);
ret = -ENOTSUP;
goto fail;
}
s->qcow_version = header.version;
/* Initialise version 3 header fields */
if (header.version == 2) {
header.incompatible_features = 0;
header.compatible_features = 0;
header.autoclear_features = 0;
header.refcount_order = 4;
header.header_length = 72;
} else {
be64_to_cpus(&header.incompatible_features);
be64_to_cpus(&header.compatible_features);
be64_to_cpus(&header.autoclear_features);
be32_to_cpus(&header.refcount_order);
be32_to_cpus(&header.header_length);
}
if (header.header_length > sizeof(header)) {
s->unknown_header_fields_size = header.header_length - sizeof(header);
s->unknown_header_fields = g_malloc(s->unknown_header_fields_size);
ret = bdrv_pread(bs->file, sizeof(header), s->unknown_header_fields,
s->unknown_header_fields_size);
if (ret < 0) {
goto fail;
}
}
if (header.backing_file_offset) {
ext_end = header.backing_file_offset;
} else {
ext_end = 1 << header.cluster_bits;
}
/* Handle feature bits */
s->incompatible_features = header.incompatible_features;
s->compatible_features = header.compatible_features;
s->autoclear_features = header.autoclear_features;
if (s->incompatible_features != 0) {
void *feature_table = NULL;
qcow2_read_extensions(bs, header.header_length, ext_end,
&feature_table);
report_unsupported_feature(bs, feature_table,
s->incompatible_features);
ret = -ENOTSUP;
goto fail;
}
/* Check support for various header values */
if (header.refcount_order != 4) {
report_unsupported(bs, "%d bit reference counts",
1 << header.refcount_order);
ret = -ENOTSUP;
goto fail;
}
if (header.cluster_bits < MIN_CLUSTER_BITS ||
header.cluster_bits > MAX_CLUSTER_BITS) {
ret = -EINVAL;
goto fail;
}
if (header.crypt_method > QCOW_CRYPT_AES) {
ret = -EINVAL;
goto fail;
}
s->crypt_method_header = header.crypt_method;
if (s->crypt_method_header) {
bs->encrypted = 1;
}
s->cluster_bits = header.cluster_bits;
s->cluster_size = 1 << s->cluster_bits;
s->cluster_sectors = 1 << (s->cluster_bits - 9);
s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */
s->l2_size = 1 << s->l2_bits;
bs->total_sectors = header.size / 512;
s->csize_shift = (62 - (s->cluster_bits - 8));
s->csize_mask = (1 << (s->cluster_bits - 8)) - 1;
s->cluster_offset_mask = (1LL << s->csize_shift) - 1;
s->refcount_table_offset = header.refcount_table_offset;
s->refcount_table_size =
header.refcount_table_clusters << (s->cluster_bits - 3);
s->snapshots_offset = header.snapshots_offset;
s->nb_snapshots = header.nb_snapshots;
/* read the level 1 table */
s->l1_size = header.l1_size;
s->l1_vm_state_index = size_to_l1(s, header.size);
/* the L1 table must contain at least enough entries to put
header.size bytes */
if (s->l1_size < s->l1_vm_state_index) {
ret = -EINVAL;
goto fail;
}
s->l1_table_offset = header.l1_table_offset;
if (s->l1_size > 0) {
s->l1_table = g_malloc0(
align_offset(s->l1_size * sizeof(uint64_t), 512));
ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table,
s->l1_size * sizeof(uint64_t));
if (ret < 0) {
goto fail;
}
for(i = 0;i < s->l1_size; i++) {
be64_to_cpus(&s->l1_table[i]);
}
}
/* alloc L2 table/refcount block cache */
s->l2_table_cache = qcow2_cache_create(bs, L2_CACHE_SIZE);
s->refcount_block_cache = qcow2_cache_create(bs, REFCOUNT_CACHE_SIZE);
s->cluster_cache = g_malloc(s->cluster_size);
/* one more sector for decompressed data alignment */
s->cluster_data = qemu_blockalign(bs, QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size
+ 512);
s->cluster_cache_offset = -1;
s->flags = flags;
ret = qcow2_refcount_init(bs);
if (ret != 0) {
goto fail;
}
QLIST_INIT(&s->cluster_allocs);
/* read qcow2 extensions */
if (qcow2_read_extensions(bs, header.header_length, ext_end, NULL)) {
ret = -EINVAL;
goto fail;
}
/* read the backing file name */
if (header.backing_file_offset != 0) {
len = header.backing_file_size;
if (len > 1023) {
len = 1023;
}
ret = bdrv_pread(bs->file, header.backing_file_offset,
bs->backing_file, len);
if (ret < 0) {
goto fail;
}
bs->backing_file[len] = '\0';
}
ret = qcow2_read_snapshots(bs);
if (ret < 0) {
goto fail;
}
/* Clear unknown autoclear feature bits */
if (!bs->read_only && s->autoclear_features != 0) {
s->autoclear_features = 0;
ret = qcow2_update_header(bs);
if (ret < 0) {
goto fail;
}
}
/* Initialise locks */
qemu_co_mutex_init(&s->lock);
#ifdef DEBUG_ALLOC
{
BdrvCheckResult result = {0};
qcow2_check_refcounts(bs, &result);
}
#endif
return ret;
fail:
g_free(s->unknown_header_fields);
cleanup_unknown_header_ext(bs);
qcow2_free_snapshots(bs);
qcow2_refcount_close(bs);
g_free(s->l1_table);
if (s->l2_table_cache) {
qcow2_cache_destroy(bs, s->l2_table_cache);
}
g_free(s->cluster_cache);
qemu_vfree(s->cluster_data);
return ret;
}
| 26,324 |
FFmpeg | f58cd2867a8af2eed13acdd21d067b48249b14a1 | 1 | static int read_packet(AVFormatContext *s, AVPacket *pkt)
{
PAFDemuxContext *p = s->priv_data;
AVIOContext *pb = s->pb;
uint32_t count, offset;
int size, i;
if (p->current_frame >= p->nb_frames)
return AVERROR_EOF;
if (url_feof(pb))
return AVERROR_EOF;
if (p->got_audio) {
if (av_new_packet(pkt, p->audio_size) < 0)
return AVERROR(ENOMEM);
memcpy(pkt->data, p->temp_audio_frame, p->audio_size);
pkt->duration = PAF_SOUND_SAMPLES * (p->audio_size / PAF_SOUND_FRAME_SIZE);
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->stream_index = 1;
p->got_audio = 0;
return pkt->size;
}
count = (p->current_frame == 0) ? p->preload_count : p->blocks_count_table[p->current_frame - 1];
for (i = 0; i < count; i++) {
if (p->current_frame_block >= p->frame_blks)
return AVERROR_INVALIDDATA;
offset = p->blocks_offset_table[p->current_frame_block] & ~(1U << 31);
if (p->blocks_offset_table[p->current_frame_block] & (1U << 31)) {
if (offset > p->audio_size - p->buffer_size)
return AVERROR_INVALIDDATA;
avio_read(pb, p->audio_frame + offset, p->buffer_size);
if (offset == (p->max_audio_blks - 2) * p->buffer_size) {
memcpy(p->temp_audio_frame, p->audio_frame, p->audio_size);
p->got_audio = 1;
}
} else {
if (offset > p->video_size - p->buffer_size)
return AVERROR_INVALIDDATA;
avio_read(pb, p->video_frame + offset, p->buffer_size);
}
p->current_frame_block++;
}
size = p->video_size - p->frames_offset_table[p->current_frame];
if (size < 1)
return AVERROR_INVALIDDATA;
if (av_new_packet(pkt, size) < 0)
return AVERROR(ENOMEM);
pkt->stream_index = 0;
pkt->duration = 1;
memcpy(pkt->data, p->video_frame + p->frames_offset_table[p->current_frame], size);
if (pkt->data[0] & 0x20)
pkt->flags |= AV_PKT_FLAG_KEY;
p->current_frame++;
return pkt->size;
}
| 26,325 |
qemu | 962b289ef35087fcd8764e4e29808d8ac90157f7 | 1 | char *target_strerror(int err)
{
return strerror(target_to_host_errno(err));
| 26,326 |
FFmpeg | ce41c51b0c71c87f623914ba0786aef325d818fe | 1 | AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
URLContext *handle, int packet_size)
{
AVFormatContext *rtpctx;
int ret;
AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
if (!rtp_format)
return NULL;
/* Allocate an AVFormatContext for each output stream */
rtpctx = avformat_alloc_context();
if (!rtpctx)
return NULL;
rtpctx->oformat = rtp_format;
if (!av_new_stream(rtpctx, 0)) {
av_free(rtpctx);
return NULL;
}
/* Copy the max delay setting; the rtp muxer reads this. */
rtpctx->max_delay = s->max_delay;
/* Copy other stream parameters. */
rtpctx->streams[0]->sample_aspect_ratio = st->sample_aspect_ratio;
/* Set the synchronized start time. */
rtpctx->start_time_realtime = s->start_time_realtime;
/* Remove the local codec, link to the original codec
* context instead, to give the rtp muxer access to
* codec parameters. */
av_free(rtpctx->streams[0]->codec);
rtpctx->streams[0]->codec = st->codec;
if (handle) {
url_fdopen(&rtpctx->pb, handle);
} else
url_open_dyn_packet_buf(&rtpctx->pb, packet_size);
ret = av_write_header(rtpctx);
if (ret) {
if (handle) {
url_fclose(rtpctx->pb);
} else {
uint8_t *ptr;
url_close_dyn_buf(rtpctx->pb, &ptr);
av_free(ptr);
}
av_free(rtpctx->streams[0]);
av_free(rtpctx);
return NULL;
}
/* Copy the RTP AVStream timebase back to the original AVStream */
st->time_base = rtpctx->streams[0]->time_base;
return rtpctx;
} | 26,327 |
qemu | f61d82c2dfe02a60642a76e8f0034a0244eef2bf | 1 | static int pci_cirrus_vga_initfn(PCIDevice *dev)
{
PCICirrusVGAState *d = DO_UPCAST(PCICirrusVGAState, dev, dev);
CirrusVGAState *s = &d->cirrus_vga;
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
int16_t device_id = pc->device_id;
/* setup VGA */
vga_common_init(&s->vga, OBJECT(dev), true);
cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev),
pci_address_space_io(dev));
s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga);
/* setup PCI */
memory_region_init(&s->pci_bar, OBJECT(dev), "cirrus-pci-bar0", 0x2000000);
/* XXX: add byte swapping apertures */
memory_region_add_subregion(&s->pci_bar, 0, &s->cirrus_linear_io);
memory_region_add_subregion(&s->pci_bar, 0x1000000,
&s->cirrus_linear_bitblt_io);
/* setup memory space */
/* memory #0 LFB */
/* memory #1 memory-mapped I/O */
/* XXX: s->vga.vram_size must be a power of two */
pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->pci_bar);
if (device_id == CIRRUS_ID_CLGD5446) {
pci_register_bar(&d->dev, 1, 0, &s->cirrus_mmio_io);
return 0;
| 26,328 |
FFmpeg | a443a2530d00b7019269202ac0f5ca8ba0a021c7 | 1 | static void rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
int read_all)
{
RMContext *rm = s->priv_data;
ByteIOContext *pb = &s->pb;
char buf[256];
uint32_t version;
int i;
/* ra type header */
version = get_be32(pb); /* version */
if (((version >> 16) & 0xff) == 3) {
int64_t startpos = url_ftell(pb);
/* very old version */
for(i = 0; i < 14; i++)
get_byte(pb);
get_str8(pb, s->title, sizeof(s->title));
get_str8(pb, s->author, sizeof(s->author));
get_str8(pb, s->copyright, sizeof(s->copyright));
get_str8(pb, s->comment, sizeof(s->comment));
if ((startpos + (version & 0xffff)) >= url_ftell(pb) + 2) {
// fourcc (should always be "lpcJ")
get_byte(pb);
get_str8(pb, buf, sizeof(buf));
// Skip extra header crap (this should never happen)
if ((startpos + (version & 0xffff)) > url_ftell(pb))
url_fskip(pb, (version & 0xffff) + startpos - url_ftell(pb));
st->codec->sample_rate = 8000;
st->codec->channels = 1;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_RA_144;
} else {
int flavor, sub_packet_h, coded_framesize, sub_packet_size;
/* old version (4) */
get_be32(pb); /* .ra4 */
get_be32(pb); /* data size */
get_be16(pb); /* version2 */
get_be32(pb); /* header size */
flavor= get_be16(pb); /* add codec info / flavor */
rm->coded_framesize = coded_framesize = get_be32(pb); /* coded frame size */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
rm->sub_packet_h = sub_packet_h = get_be16(pb); /* 1 */
st->codec->block_align= get_be16(pb); /* frame size */
rm->sub_packet_size = sub_packet_size = get_be16(pb); /* sub packet size */
get_be16(pb); /* ??? */
if (((version >> 16) & 0xff) == 5) {
get_be16(pb); get_be16(pb); get_be16(pb); }
st->codec->sample_rate = get_be16(pb);
get_be32(pb);
st->codec->channels = get_be16(pb);
if (((version >> 16) & 0xff) == 5) {
get_be32(pb);
buf[0] = get_byte(pb);
buf[1] = get_byte(pb);
buf[2] = get_byte(pb);
buf[3] = get_byte(pb);
buf[4] = 0;
} else {
get_str8(pb, buf, sizeof(buf)); /* desc */
get_str8(pb, buf, sizeof(buf)); /* desc */
st->codec->codec_type = CODEC_TYPE_AUDIO;
if (!strcmp(buf, "dnet")) {
st->codec->codec_id = CODEC_ID_AC3;
} else if (!strcmp(buf, "28_8")) {
st->codec->codec_id = CODEC_ID_RA_288;
st->codec->extradata_size= 0;
rm->audio_framesize = st->codec->block_align;
st->codec->block_align = coded_framesize;
rm->audiobuf = av_malloc(rm->audio_framesize * sub_packet_h);
} else if (!strcmp(buf, "cook")) {
int codecdata_length, i;
get_be16(pb); get_byte(pb);
if (((version >> 16) & 0xff) == 5)
get_byte(pb);
codecdata_length = get_be32(pb);
if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
st->codec->codec_id = CODEC_ID_COOK;
st->codec->extradata_size= codecdata_length;
st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
for(i = 0; i < codecdata_length; i++)
((uint8_t*)st->codec->extradata)[i] = get_byte(pb);
rm->audio_framesize = st->codec->block_align;
st->codec->block_align = rm->sub_packet_size;
rm->audiobuf = av_malloc(rm->audio_framesize * sub_packet_h);
} else {
st->codec->codec_id = CODEC_ID_NONE;
pstrcpy(st->codec->codec_name, sizeof(st->codec->codec_name),
buf);
if (read_all) {
get_byte(pb);
get_byte(pb);
get_byte(pb);
get_str8(pb, s->title, sizeof(s->title));
get_str8(pb, s->author, sizeof(s->author));
get_str8(pb, s->copyright, sizeof(s->copyright));
get_str8(pb, s->comment, sizeof(s->comment)); | 26,329 |
FFmpeg | aba232cfa9b193604ed98f3fa505378d006b1b3b | 1 | static int vc1test_write_header(AVFormatContext *s)
{
AVCodecContext *avc = s->streams[0]->codec;
AVIOContext *pb = s->pb;
if (avc->codec_id != CODEC_ID_WMV3) {
av_log(s, AV_LOG_ERROR, "Only WMV3 is accepted!\n");
return -1;
}
avio_wl24(pb, 0); //frames count will be here
avio_w8(pb, 0xC5);
avio_wl32(pb, 4);
avio_write(pb, avc->extradata, 4);
avio_wl32(pb, avc->height);
avio_wl32(pb, avc->width);
avio_wl32(pb, 0xC);
avio_wl24(pb, 0); // hrd_buffer
avio_w8(pb, 0x80); // level|cbr|res1
avio_wl32(pb, 0); // hrd_rate
if (s->streams[0]->r_frame_rate.den && s->streams[0]->r_frame_rate.num == 1)
avio_wl32(pb, s->streams[0]->r_frame_rate.den);
else
avio_wl32(pb, 0xFFFFFFFF); //variable framerate
avpriv_set_pts_info(s->streams[0], 32, 1, 1000);
return 0;
}
| 26,332 |
FFmpeg | c0b91348fe4aec7d2245d95ccabb460a6971e361 | 1 | static int caca_write_trailer(AVFormatContext *s)
{
CACAContext *c = s->priv_data;
av_freep(&c->window_title);
caca_free_dither(c->dither);
caca_free_display(c->display);
caca_free_canvas(c->canvas);
return 0;
}
| 26,334 |
qemu | 02b33596d09bafed5d58366403a2d369f0d1047e | 1 | static void dec_null(DisasContext *dc)
{
qemu_log ("unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
dc->abort_at_next_insn = 1;
| 26,335 |
FFmpeg | e2710e790c09e49e86baa58c6063af0097cc8cb0 | 1 | int av_parse_cpu_flags(const char *s)
{
#define CPUFLAG_MMXEXT (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT | AV_CPU_FLAG_CMOV)
#define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
#define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
#define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMXEXT)
#define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
#define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
#define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
#define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
#define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
#define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
#define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
#define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
#define CPUFLAG_AVXSLOW (AV_CPU_FLAG_AVXSLOW | CPUFLAG_AVX)
#define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
#define CPUFLAG_FMA3 (AV_CPU_FLAG_FMA3 | CPUFLAG_AVX)
#define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
#define CPUFLAG_AVX2 (AV_CPU_FLAG_AVX2 | CPUFLAG_AVX)
#define CPUFLAG_BMI2 (AV_CPU_FLAG_BMI2 | AV_CPU_FLAG_BMI1)
static const AVOption cpuflags_opts[] = {
{ "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
#if ARCH_PPC
{ "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ALTIVEC }, .unit = "flags" },
#elif ARCH_X86
{ "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX }, .unit = "flags" },
{ "mmxext" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_MMXEXT }, .unit = "flags" },
{ "sse" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE }, .unit = "flags" },
{ "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE2 }, .unit = "flags" },
{ "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE2SLOW }, .unit = "flags" },
{ "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE3 }, .unit = "flags" },
{ "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE3SLOW }, .unit = "flags" },
{ "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSSE3 }, .unit = "flags" },
{ "atom" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ATOM }, .unit = "flags" },
{ "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE4 }, .unit = "flags" },
{ "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_SSE42 }, .unit = "flags" },
{ "avx" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX }, .unit = "flags" },
{ "avxslow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVXSLOW }, .unit = "flags" },
{ "xop" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_XOP }, .unit = "flags" },
{ "fma3" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_FMA3 }, .unit = "flags" },
{ "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_FMA4 }, .unit = "flags" },
{ "avx2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_AVX2 }, .unit = "flags" },
{ "bmi1" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_BMI1 }, .unit = "flags" },
{ "bmi2" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_BMI2 }, .unit = "flags" },
{ "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOW }, .unit = "flags" },
{ "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CPUFLAG_3DNOWEXT }, .unit = "flags" },
{ "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" },
#elif ARCH_ARM
{ "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV5TE }, .unit = "flags" },
{ "armv6", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6 }, .unit = "flags" },
{ "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" },
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
{ "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
#elif ARCH_AARCH64
{ "armv8", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV8 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
#endif
{ NULL },
};
static const AVClass class = {
.class_name = "cpuflags",
.item_name = av_default_item_name,
.option = cpuflags_opts,
.version = LIBAVUTIL_VERSION_INT,
};
int flags = 0, ret;
const AVClass *pclass = &class;
if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], s, &flags)) < 0)
return ret;
return flags & INT_MAX;
} | 26,336 |
FFmpeg | 915bbac6815eddd911fb5cb8a23517b3cac3a84b | 1 | void mpeg1_init_vlc(MpegEncContext *s)
{
static int done = 0;
if (!done) {
init_vlc(&dc_lum_vlc, 9, 12,
vlc_dc_lum_bits, 1, 1,
vlc_dc_lum_code, 2, 2);
init_vlc(&dc_chroma_vlc, 9, 12,
vlc_dc_chroma_bits, 1, 1,
vlc_dc_chroma_code, 2, 2);
init_vlc(&mv_vlc, 9, 17,
&mbMotionVectorTable[0][1], 2, 1,
&mbMotionVectorTable[0][0], 2, 1);
init_vlc(&mbincr_vlc, 9, 35,
&mbAddrIncrTable[0][1], 2, 1,
&mbAddrIncrTable[0][0], 2, 1);
init_vlc(&mb_pat_vlc, 9, 63,
&mbPatTable[0][1], 2, 1,
&mbPatTable[0][0], 2, 1);
init_vlc(&mb_ptype_vlc, 6, 32,
&table_mb_ptype[0][1], 2, 1,
&table_mb_ptype[0][0], 2, 1);
init_vlc(&mb_btype_vlc, 6, 32,
&table_mb_btype[0][1], 2, 1,
&table_mb_btype[0][0], 2, 1);
init_rl(&rl_mpeg1);
init_rl(&rl_mpeg2);
/* cannot use generic init because we must add the EOB code */
init_vlc(&rl_mpeg1.vlc, 9, rl_mpeg1.n + 2,
&rl_mpeg1.table_vlc[0][1], 4, 2,
&rl_mpeg1.table_vlc[0][0], 4, 2);
init_vlc(&rl_mpeg2.vlc, 9, rl_mpeg2.n + 2,
&rl_mpeg2.table_vlc[0][1], 4, 2,
&rl_mpeg2.table_vlc[0][0], 4, 2);
}
} | 26,337 |
FFmpeg | 50833c9f7b4e1922197a8955669f8ab3589c8cef | 1 | static int encode_bitstream(FlashSVContext *s, const AVFrame *p, uint8_t *buf,
int buf_size, int block_width, int block_height,
uint8_t *previous_frame, int *I_frame)
{
PutBitContext pb;
int h_blocks, v_blocks, h_part, v_part, i, j;
int buf_pos, res;
int pred_blocks = 0;
init_put_bits(&pb, buf, buf_size * 8);
put_bits(&pb, 4, block_width / 16 - 1);
put_bits(&pb, 12, s->image_width);
put_bits(&pb, 4, block_height / 16 - 1);
put_bits(&pb, 12, s->image_height);
flush_put_bits(&pb);
buf_pos = 4;
h_blocks = s->image_width / block_width;
h_part = s->image_width % block_width;
v_blocks = s->image_height / block_height;
v_part = s->image_height % block_height;
/* loop over all block columns */
for (j = 0; j < v_blocks + (v_part ? 1 : 0); j++) {
int y_pos = j * block_height; // vertical position in frame
int cur_blk_height = (j < v_blocks) ? block_height : v_part;
/* loop over all block rows */
for (i = 0; i < h_blocks + (h_part ? 1 : 0); i++) {
int x_pos = i * block_width; // horizontal position in frame
int cur_blk_width = (i < h_blocks) ? block_width : h_part;
int ret = Z_OK;
uint8_t *ptr = buf + buf_pos;
/* copy the block to the temp buffer before compression
* (if it differs from the previous frame's block) */
res = copy_region_enc(p->data[0], s->tmpblock,
s->image_height - (y_pos + cur_blk_height + 1),
x_pos, cur_blk_height, cur_blk_width,
p->linesize[0], previous_frame);
if (res || *I_frame) {
unsigned long zsize = 3 * block_width * block_height;
ret = compress2(ptr + 2, &zsize, s->tmpblock,
3 * cur_blk_width * cur_blk_height, 9);
//ret = deflateReset(&s->zstream);
if (ret != Z_OK)
av_log(s->avctx, AV_LOG_ERROR,
"error while compressing block %dx%d\n", i, j);
bytestream_put_be16(&ptr, zsize);
buf_pos += zsize + 2;
av_dlog(s->avctx, "buf_pos = %d\n", buf_pos);
} else {
pred_blocks++;
bytestream_put_be16(&ptr, 0);
buf_pos += 2;
}
}
}
if (pred_blocks)
*I_frame = 0;
else
*I_frame = 1;
return buf_pos;
}
| 26,338 |
qemu | 3453f9a0dfa58578e6dadf0905ff4528b428ec73 | 1 | static void usb_uas_task(UASDevice *uas, uas_ui *ui)
{
uint16_t tag = be16_to_cpu(ui->hdr.tag);
uint64_t lun64 = be64_to_cpu(ui->task.lun);
SCSIDevice *dev = usb_uas_get_dev(uas, lun64);
int lun = usb_uas_get_lun(lun64);
UASRequest *req;
uint16_t task_tag;
req = usb_uas_find_request(uas, be16_to_cpu(ui->hdr.tag));
if (req) {
goto overlapped_tag;
if (dev == NULL) {
goto incorrect_lun;
switch (ui->task.function) {
case UAS_TMF_ABORT_TASK:
task_tag = be16_to_cpu(ui->task.task_tag);
trace_usb_uas_tmf_abort_task(uas->dev.addr, tag, task_tag);
req = usb_uas_find_request(uas, task_tag);
if (req && req->dev == dev) {
scsi_req_cancel(req->req);
usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE, 0);
break;
case UAS_TMF_LOGICAL_UNIT_RESET:
trace_usb_uas_tmf_logical_unit_reset(uas->dev.addr, tag, lun);
qdev_reset_all(&dev->qdev);
usb_uas_queue_response(uas, tag, UAS_RC_TMF_COMPLETE, 0);
break;
default:
trace_usb_uas_tmf_unsupported(uas->dev.addr, tag, ui->task.function);
usb_uas_queue_response(uas, tag, UAS_RC_TMF_NOT_SUPPORTED, 0);
break;
return;
invalid_tag:
usb_uas_queue_response(uas, tag, UAS_RC_INVALID_INFO_UNIT, 0);
return;
overlapped_tag:
usb_uas_queue_response(uas, req->tag, UAS_RC_OVERLAPPED_TAG, 0);
return;
incorrect_lun:
usb_uas_queue_response(uas, tag, UAS_RC_INCORRECT_LUN, 0);
| 26,339 |
qemu | 66dc50f7057b9a0191f54e55764412202306858d | 1 | static int sch_handle_start_func_passthrough(SubchDev *sch)
{
PMCW *p = &sch->curr_status.pmcw;
SCSW *s = &sch->curr_status.scsw;
int ret;
ORB *orb = &sch->orb;
if (!(s->ctrl & SCSW_ACTL_SUSP)) {
assert(orb != NULL);
p->intparm = orb->intparm;
}
/*
* Only support prefetch enable mode.
* Only support 64bit addressing idal.
*/
if (!(orb->ctrl0 & ORB_CTRL0_MASK_PFCH) ||
!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
return -EINVAL;
}
ret = s390_ccw_cmd_request(orb, s, sch->driver_data);
switch (ret) {
/* Currently we don't update control block and just return the cc code. */
case 0:
break;
case -EBUSY:
break;
case -ENODEV:
break;
case -EACCES:
/* Let's reflect an inaccessible host device by cc 3. */
ret = -ENODEV;
break;
default:
/*
* All other return codes will trigger a program check,
* or set cc to 1.
*/
break;
};
return ret;
}
| 26,340 |
qemu | 1d06cb7ab93f879ac25c9f5ef1d1ac8d97a42dfc | 1 | static int cmd_valid_while_locked(SDState *sd, SDRequest *req)
{
/* Valid commands in locked state:
* basic class (0)
* lock card class (7)
* CMD16
* implicitly, the ACMD prefix CMD55
* ACMD41 and ACMD42
* Anything else provokes an "illegal command" response.
*/
if (sd->card_status & APP_CMD) {
return req->cmd == 41 || req->cmd == 42;
}
if (req->cmd == 16 || req->cmd == 55) {
return 1;
}
return sd_cmd_class[req->cmd] == 0 || sd_cmd_class[req->cmd] == 7;
}
| 26,341 |
FFmpeg | 32c3047cac9294bb56d23c89a40a22409db5cc70 | 0 | static int smc_decode_init(AVCodecContext *avctx)
{
SmcContext *s = avctx->priv_data;
s->avctx = avctx;
avctx->pix_fmt = PIX_FMT_PAL8;
dsputil_init(&s->dsp, avctx);
s->frame.data[0] = NULL;
return 0;
}
| 26,342 |
FFmpeg | 403ee835e7913eb9536b22c2b22edfdd700166a9 | 0 | int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
int track_index, int sample)
{
MOVMuxContext *mov = s->priv_data;
MOVTrack *trk = &mov->tracks[track_index];
AVFormatContext *rtp_ctx = trk->rtp_ctx;
uint8_t *buf = NULL;
int size;
AVIOContext *hintbuf = NULL;
AVPacket hint_pkt;
int ret = 0, count;
if (!rtp_ctx)
return AVERROR(ENOENT);
if (!rtp_ctx->pb)
return AVERROR(ENOMEM);
sample_queue_push(&trk->sample_queue, pkt, sample);
/* Feed the packet to the RTP muxer */
ff_write_chained(rtp_ctx, 0, pkt, s);
/* Fetch the output from the RTP muxer, open a new output buffer
* for next time. */
size = avio_close_dyn_buf(rtp_ctx->pb, &buf);
if ((ret = url_open_dyn_packet_buf(&rtp_ctx->pb,
RTP_MAX_PACKET_SIZE)) < 0)
goto done;
if (size <= 0)
goto done;
/* Open a buffer for writing the hint */
if ((ret = avio_open_dyn_buf(&hintbuf)) < 0)
goto done;
av_init_packet(&hint_pkt);
count = write_hint_packets(hintbuf, buf, size, trk, &hint_pkt.dts);
av_freep(&buf);
/* Write the hint data into the hint track */
hint_pkt.size = size = avio_close_dyn_buf(hintbuf, &buf);
hint_pkt.data = buf;
hint_pkt.pts = hint_pkt.dts;
hint_pkt.stream_index = track_index;
if (pkt->flags & AV_PKT_FLAG_KEY)
hint_pkt.flags |= AV_PKT_FLAG_KEY;
if (count > 0)
ff_mov_write_packet(s, &hint_pkt);
done:
av_free(buf);
sample_queue_retain(&trk->sample_queue);
return ret;
}
| 26,343 |
FFmpeg | a4d3cf10b2ece441ae25849a66b1c11d838f9381 | 0 | static void decode_lowdelay(DiracContext *s)
{
AVCodecContext *avctx = s->avctx;
int slice_x, slice_y, bytes, bufsize;
const uint8_t *buf;
struct lowdelay_slice *slices;
int slice_num = 0;
slices = av_mallocz_array(s->lowdelay.num_x, s->lowdelay.num_y * sizeof(struct lowdelay_slice));
align_get_bits(&s->gb);
/*[DIRAC_STD] 13.5.2 Slices. slice(sx,sy) */
buf = s->gb.buffer + get_bits_count(&s->gb)/8;
bufsize = get_bits_left(&s->gb);
for (slice_y = 0; bufsize > 0 && slice_y < s->lowdelay.num_y; slice_y++)
for (slice_x = 0; bufsize > 0 && slice_x < s->lowdelay.num_x; slice_x++) {
bytes = (slice_num+1) * s->lowdelay.bytes.num / s->lowdelay.bytes.den
- slice_num * s->lowdelay.bytes.num / s->lowdelay.bytes.den;
slices[slice_num].bytes = bytes;
slices[slice_num].slice_x = slice_x;
slices[slice_num].slice_y = slice_y;
init_get_bits(&slices[slice_num].gb, buf, bufsize);
slice_num++;
buf += bytes;
bufsize -= bytes*8;
}
avctx->execute(avctx, decode_lowdelay_slice, slices, NULL, slice_num,
sizeof(struct lowdelay_slice)); /* [DIRAC_STD] 13.5.2 Slices */
intra_dc_prediction(&s->plane[0].band[0][0]); /* [DIRAC_STD] 13.3 intra_dc_prediction() */
intra_dc_prediction(&s->plane[1].band[0][0]); /* [DIRAC_STD] 13.3 intra_dc_prediction() */
intra_dc_prediction(&s->plane[2].band[0][0]); /* [DIRAC_STD] 13.3 intra_dc_prediction() */
av_free(slices);
}
| 26,344 |
FFmpeg | b7e7ee6231bc1f3608ed4005c3e7550ec4815296 | 1 | static void copy_video_props(AVFilterBufferRefVideoProps *dst, AVFilterBufferRefVideoProps *src) {
*dst = *src;
if (src->qp_table) {
int qsize = src->qp_table_size;
dst->qp_table = av_malloc(qsize);
memcpy(dst->qp_table, src->qp_table, qsize);
}
}
| 26,345 |
qemu | 111049a4ecefc9cf1ac75c773f4c5c165f27fe63 | 1 | void qmp_blockdev_backup(BlockdevBackup *arg, Error **errp)
{
do_blockdev_backup(arg, NULL, errp);
}
| 26,347 |
FFmpeg | 3c6607eb6f946ed3e108db3f0694cab7e5a5df7e | 1 | int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
AVPacket *avpkt,
const AVFrame *frame,
int *got_packet_ptr)
{
int ret;
int user_packet = !!avpkt->data;
int nb_samples;
*got_packet_ptr = 0;
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
av_free_packet(avpkt);
av_init_packet(avpkt);
avpkt->size = 0;
return 0;
}
/* check for valid frame size */
if (frame) {
nb_samples = frame->nb_samples;
if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
if (nb_samples > avctx->frame_size)
return AVERROR(EINVAL);
} else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
if (nb_samples != avctx->frame_size)
return AVERROR(EINVAL);
}
} else {
nb_samples = avctx->frame_size;
}
if (avctx->codec->encode2) {
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
if (!ret && *got_packet_ptr) {
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
if (avpkt->pts == AV_NOPTS_VALUE)
avpkt->pts = frame->pts;
if (!avpkt->duration)
avpkt->duration = ff_samples_to_time_base(avctx,
frame->nb_samples);
}
avpkt->dts = avpkt->pts;
} else {
avpkt->size = 0;
}
} else {
/* for compatibility with encoders not supporting encode2(), we need to
allocate a packet buffer if the user has not provided one or check
the size otherwise */
int fs_tmp = 0;
int buf_size = avpkt->size;
if (!user_packet) {
if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) {
av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0);
buf_size = nb_samples * avctx->channels *
av_get_bits_per_sample(avctx->codec_id) / 8;
} else {
/* this is a guess as to the required size.
if an encoder needs more than this, it should probably
implement encode2() */
buf_size = 2 * avctx->frame_size * avctx->channels *
av_get_bytes_per_sample(avctx->sample_fmt);
buf_size += FF_MIN_BUFFER_SIZE;
}
}
if ((ret = ff_alloc_packet(avpkt, buf_size)))
return ret;
/* Encoders using AVCodec.encode() that support
CODEC_CAP_SMALL_LAST_FRAME require avctx->frame_size to be set to
the smaller size when encoding the last frame.
This code can be removed once all encoders supporting
CODEC_CAP_SMALL_LAST_FRAME use encode2() */
if ((avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) &&
nb_samples < avctx->frame_size) {
fs_tmp = avctx->frame_size;
avctx->frame_size = nb_samples;
}
/* encode the frame */
ret = avctx->codec->encode(avctx, avpkt->data, avpkt->size,
frame ? frame->data[0] : NULL);
if (ret >= 0) {
if (!ret) {
/* no output. if the packet data was allocated by libavcodec,
free it */
if (!user_packet)
av_freep(&avpkt->data);
} else {
if (avctx->coded_frame)
avpkt->pts = avpkt->dts = avctx->coded_frame->pts;
/* Set duration for final small packet. This can be removed
once all encoders supporting CODEC_CAP_SMALL_LAST_FRAME use
encode2() */
if (fs_tmp) {
avpkt->duration = ff_samples_to_time_base(avctx,
avctx->frame_size);
}
}
avpkt->size = ret;
*got_packet_ptr = (ret > 0);
ret = 0;
}
if (fs_tmp)
avctx->frame_size = fs_tmp;
}
if (!ret) {
if (!user_packet && avpkt->data) {
uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
if (new_data)
avpkt->data = new_data;
}
avctx->frame_number++;
}
if (ret < 0 || !*got_packet_ptr)
av_free_packet(avpkt);
/* NOTE: if we add any audio encoders which output non-keyframe packets,
this needs to be moved to the encoders, but for now we can do it
here to simplify things */
avpkt->flags |= AV_PKT_FLAG_KEY;
return ret;
}
| 26,348 |
qemu | 70fbd3c4bf9850fce733eea2c910c397905fb9a3 | 1 | static void fsl_imx6_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = fsl_imx6_realize;
dc->desc = "i.MX6 SOC";
}
| 26,349 |
qemu | 2ad645d2854746b55ddfd1d8e951f689cca5d78f | 1 | static void test_endianness_split(gconstpointer data)
{
const TestCase *test = data;
char *args;
args = g_strdup_printf("-display none -M %s%s%s -device pc-testdev",
test->machine,
test->superio ? " -device " : "",
test->superio ?: "");
qtest_start(args);
isa_outl(test, 0xe8, 0x87654321);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
isa_outw(test, 0xea, 0x8866);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664321);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
isa_outw(test, 0xe8, 0x4422);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x88664422);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8866);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
isa_outb(test, 0xeb, 0x87);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87664422);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8766);
isa_outb(test, 0xea, 0x65);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654422);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4422);
isa_outb(test, 0xe9, 0x43);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654322);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4322);
isa_outb(test, 0xe8, 0x21);
g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
qtest_quit(global_qtest);
g_free(args);
}
| 26,350 |
qemu | 47d4be12c3997343e436c6cca89aefbbbeb70863 | 1 | static void test_qemu_strtoull_whitespace(void)
{
const char *str = " \t ";
char f = 'X';
const char *endptr = &f;
uint64_t res = 999;
int err;
err = qemu_strtoull(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, 0);
g_assert(endptr == str);
}
| 26,351 |
FFmpeg | 3c1199c3c4cbdb4ffff0de89f06d5a08acefe356 | 1 | static int matroska_parse_frame(MatroskaDemuxContext *matroska,
MatroskaTrack *track, AVStream *st,
uint8_t *data, int pkt_size,
uint64_t timecode, uint64_t duration,
int64_t pos, int is_keyframe)
{
MatroskaTrackEncoding *encodings = track->encodings.elem;
uint8_t *pkt_data = data;
int offset = 0, res;
AVPacket *pkt;
if (encodings && encodings->scope & 1) {
res = matroska_decode_buffer(&pkt_data, &pkt_size, track);
if (res < 0)
return res;
}
if (st->codec->codec_id == AV_CODEC_ID_WAVPACK) {
uint8_t *wv_data;
res = matroska_parse_wavpack(track, pkt_data, &wv_data, &pkt_size);
if (res < 0) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Error parsing a wavpack block.\n");
goto fail;
}
if (pkt_data != data)
pkt_data = wv_data;
}
if (st->codec->codec_id == AV_CODEC_ID_PRORES)
offset = 8;
pkt = av_mallocz(sizeof(AVPacket));
/* XXX: prevent data copy... */
if (av_new_packet(pkt, pkt_size + offset) < 0) {
av_free(pkt);
return AVERROR(ENOMEM);
}
if (st->codec->codec_id == AV_CODEC_ID_PRORES) {
uint8_t *buf = pkt->data;
bytestream_put_be32(&buf, pkt_size);
bytestream_put_be32(&buf, MKBETAG('i', 'c', 'p', 'f'));
}
memcpy(pkt->data + offset, pkt_data, pkt_size);
if (pkt_data != data)
av_free(pkt_data);
pkt->flags = is_keyframe;
pkt->stream_index = st->index;
if (track->ms_compat)
pkt->dts = timecode;
else
pkt->pts = timecode;
pkt->pos = pos;
if (st->codec->codec_id == AV_CODEC_ID_TEXT)
pkt->convergence_duration = duration;
else if (track->type != MATROSKA_TRACK_TYPE_SUBTITLE)
pkt->duration = duration;
if (st->codec->codec_id == AV_CODEC_ID_SSA)
matroska_fix_ass_packet(matroska, pkt, duration);
if (matroska->prev_pkt &&
timecode != AV_NOPTS_VALUE &&
matroska->prev_pkt->pts == timecode &&
matroska->prev_pkt->stream_index == st->index &&
st->codec->codec_id == AV_CODEC_ID_SSA)
matroska_merge_packets(matroska->prev_pkt, pkt);
else {
dynarray_add(&matroska->packets, &matroska->num_packets, pkt);
matroska->prev_pkt = pkt;
}
return 0;
fail:
if (pkt_data != data)
return res;
} | 26,352 |
FFmpeg | 0ecca7a49f8e254c12a3a1de048d738bfbb614c6 | 1 | void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
{
if(min_size < *size)
return ptr;
*size= 17*min_size/16 + 32;
return av_realloc(ptr, *size);
}
| 26,353 |
FFmpeg | 26c208cf0ff59efd7786528884a64d35fc42e9bf | 0 | static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt, int *serial)
{
int got_picture;
if (packet_queue_get(&is->videoq, pkt, 1, serial) < 0)
return -1;
if (pkt->data == flush_pkt.data) {
avcodec_flush_buffers(is->video_st->codec);
SDL_LockMutex(is->pictq_mutex);
// Make sure there are no long delay timers (ideally we should just flush the queue but that's harder)
while (is->pictq_size && !is->videoq.abort_request) {
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
}
is->video_current_pos = -1;
is->frame_last_pts = AV_NOPTS_VALUE;
is->frame_last_duration = 0;
is->frame_timer = (double)av_gettime() / 1000000.0;
is->frame_last_dropped_pts = AV_NOPTS_VALUE;
SDL_UnlockMutex(is->pictq_mutex);
return 0;
}
if(avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt) < 0)
return 0;
if (got_picture) {
int ret = 1;
if (decoder_reorder_pts == -1) {
*pts = av_frame_get_best_effort_timestamp(frame);
} else if (decoder_reorder_pts) {
*pts = frame->pkt_pts;
} else {
*pts = frame->pkt_dts;
}
if (*pts == AV_NOPTS_VALUE) {
*pts = 0;
}
if (framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) {
SDL_LockMutex(is->pictq_mutex);
if (is->frame_last_pts != AV_NOPTS_VALUE && *pts) {
double clockdiff = get_video_clock(is) - get_master_clock(is);
double dpts = av_q2d(is->video_st->time_base) * *pts;
double ptsdiff = dpts - is->frame_last_pts;
if (fabs(clockdiff) < AV_NOSYNC_THRESHOLD &&
ptsdiff > 0 && ptsdiff < AV_NOSYNC_THRESHOLD &&
clockdiff + ptsdiff - is->frame_last_filter_delay < 0) {
is->frame_last_dropped_pos = pkt->pos;
is->frame_last_dropped_pts = dpts;
is->frame_drops_early++;
ret = 0;
}
}
SDL_UnlockMutex(is->pictq_mutex);
}
return ret;
}
return 0;
}
| 26,354 |
qemu | 9a93b61730e3b46ef1c01ca522c6abe80ec13832 | 1 | static void msix_mmio_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
PCIDevice *dev = opaque;
unsigned int offset = addr & (MSIX_PAGE_SIZE - 1) & ~0x3;
int vector = offset / PCI_MSIX_ENTRY_SIZE;
pci_set_long(dev->msix_table_page + offset, val);
msix_handle_mask_update(dev, vector); | 26,355 |
qemu | bdd81addf4033ce26e6cd180b060f63095f3ded9 | 1 | static void vfio_msix_enable(VFIOPCIDevice *vdev)
{
vfio_disable_interrupts(vdev);
vdev->msi_vectors = g_malloc0(vdev->msix->entries * sizeof(VFIOMSIVector));
vdev->interrupt = VFIO_INT_MSIX;
/*
* Some communication channels between VF & PF or PF & fw rely on the
* physical state of the device and expect that enabling MSI-X from the
* guest enables the same on the host. When our guest is Linux, the
* guest driver call to pci_enable_msix() sets the enabling bit in the
* MSI-X capability, but leaves the vector table masked. We therefore
* can't rely on a vector_use callback (from request_irq() in the guest)
* to switch the physical device into MSI-X mode because that may come a
* long time after pci_enable_msix(). This code enables vector 0 with
* triggering to userspace, then immediately release the vector, leaving
* the physical device with no vectors enabled, but MSI-X enabled, just
* like the guest view.
*/
vfio_msix_vector_do_use(&vdev->pdev, 0, NULL, NULL);
vfio_msix_vector_release(&vdev->pdev, 0);
if (msix_set_vector_notifiers(&vdev->pdev, vfio_msix_vector_use,
vfio_msix_vector_release, NULL)) {
error_report("vfio: msix_set_vector_notifiers failed");
}
trace_vfio_msix_enable(vdev->vbasedev.name);
}
| 26,356 |
qemu | cfd47a71df51047833d182e9e97244e7816b57da | 1 | static int check_bind(struct sockaddr *sa, socklen_t salen, bool *has_proto)
{
int fd;
fd = socket(sa->sa_family, SOCK_STREAM, 0);
if (fd < 0) {
return -1;
}
if (bind(fd, sa, salen) < 0) {
close(fd);
if (errno == EADDRNOTAVAIL) {
*has_proto = false;
return 0;
}
return -1;
}
close(fd);
*has_proto = true;
return 0;
}
| 26,357 |
FFmpeg | b9fa32082c71013e90eab9e9997967d2939cf4a6 | 1 | int ff_fft_init(FFTContext *s, int nbits, int inverse)
{
int i, j, m, n;
float alpha, c1, s1, s2;
int shuffle = 0;
int av_unused has_vectors;
s->nbits = nbits;
n = 1 << nbits;
s->exptab = av_malloc((n / 2) * sizeof(FFTComplex));
if (!s->exptab)
goto fail;
s->revtab = av_malloc(n * sizeof(uint16_t));
if (!s->revtab)
goto fail;
s->inverse = inverse;
s2 = inverse ? 1.0 : -1.0;
for(i=0;i<(n/2);i++) {
alpha = 2 * M_PI * (float)i / (float)n;
c1 = cos(alpha);
s1 = sin(alpha) * s2;
s->exptab[i].re = c1;
s->exptab[i].im = s1;
}
s->fft_calc = ff_fft_calc_c;
s->imdct_calc = ff_imdct_calc;
s->imdct_half = ff_imdct_half;
s->exptab1 = NULL;
#ifdef HAVE_MMX
has_vectors = mm_support();
shuffle = 1;
if (has_vectors & MM_3DNOWEXT) {
/* 3DNowEx for K7/K8 */
s->imdct_calc = ff_imdct_calc_3dn2;
s->fft_calc = ff_fft_calc_3dn2;
} else if (has_vectors & MM_3DNOW) {
/* 3DNow! for K6-2/3 */
s->fft_calc = ff_fft_calc_3dn;
} else if (has_vectors & MM_SSE) {
/* SSE for P3/P4 */
s->imdct_calc = ff_imdct_calc_sse;
s->imdct_half = ff_imdct_half_sse;
s->fft_calc = ff_fft_calc_sse;
} else {
shuffle = 0;
}
#elif defined HAVE_ALTIVEC && !defined ALTIVEC_USE_REFERENCE_C_CODE
has_vectors = mm_support();
if (has_vectors & MM_ALTIVEC) {
s->fft_calc = ff_fft_calc_altivec;
shuffle = 1;
}
#endif
/* compute constant table for HAVE_SSE version */
if (shuffle) {
int np, nblocks, np2, l;
FFTComplex *q;
np = 1 << nbits;
nblocks = np >> 3;
np2 = np >> 1;
s->exptab1 = av_malloc(np * 2 * sizeof(FFTComplex));
if (!s->exptab1)
goto fail;
q = s->exptab1;
do {
for(l = 0; l < np2; l += 2 * nblocks) {
*q++ = s->exptab[l];
*q++ = s->exptab[l + nblocks];
q->re = -s->exptab[l].im;
q->im = s->exptab[l].re;
q++;
q->re = -s->exptab[l + nblocks].im;
q->im = s->exptab[l + nblocks].re;
q++;
}
nblocks = nblocks >> 1;
} while (nblocks != 0);
av_freep(&s->exptab);
}
/* compute bit reverse table */
for(i=0;i<n;i++) {
m=0;
for(j=0;j<nbits;j++) {
m |= ((i >> j) & 1) << (nbits-j-1);
}
s->revtab[i]=m;
}
return 0;
fail:
av_freep(&s->revtab);
av_freep(&s->exptab);
av_freep(&s->exptab1);
return -1;
} | 26,358 |
FFmpeg | 45daae06fd6f05baddb897686a6fa90cda3abb49 | 0 | static void write_mainheader(NUTContext *nut, AVIOContext *bc)
{
int i, j, tmp_pts, tmp_flags, tmp_stream, tmp_mul, tmp_size, tmp_fields,
tmp_head_idx;
int64_t tmp_match;
ff_put_v(bc, nut->version);
if (nut->version > 3)
ff_put_v(bc, nut->minor_version);
ff_put_v(bc, nut->avf->nb_streams);
ff_put_v(bc, nut->max_distance);
ff_put_v(bc, nut->time_base_count);
for (i = 0; i < nut->time_base_count; i++) {
ff_put_v(bc, nut->time_base[i].num);
ff_put_v(bc, nut->time_base[i].den);
}
tmp_pts = 0;
tmp_mul = 1;
tmp_stream = 0;
tmp_match = 1 - (1LL << 62);
tmp_head_idx = 0;
for (i = 0; i < 256; ) {
tmp_fields = 0;
tmp_size = 0;
// tmp_res=0;
if (tmp_pts != nut->frame_code[i].pts_delta ) tmp_fields = 1;
if (tmp_mul != nut->frame_code[i].size_mul ) tmp_fields = 2;
if (tmp_stream != nut->frame_code[i].stream_id ) tmp_fields = 3;
if (tmp_size != nut->frame_code[i].size_lsb ) tmp_fields = 4;
// if (tmp_res != nut->frame_code[i].res ) tmp_fields=5;
if (tmp_head_idx != nut->frame_code[i].header_idx) tmp_fields = 8;
tmp_pts = nut->frame_code[i].pts_delta;
tmp_flags = nut->frame_code[i].flags;
tmp_stream = nut->frame_code[i].stream_id;
tmp_mul = nut->frame_code[i].size_mul;
tmp_size = nut->frame_code[i].size_lsb;
// tmp_res = nut->frame_code[i].res;
tmp_head_idx = nut->frame_code[i].header_idx;
for (j = 0; i < 256; j++, i++) {
if (i == 'N') {
j--;
continue;
}
if (nut->frame_code[i].pts_delta != tmp_pts ||
nut->frame_code[i].flags != tmp_flags ||
nut->frame_code[i].stream_id != tmp_stream ||
nut->frame_code[i].size_mul != tmp_mul ||
nut->frame_code[i].size_lsb != tmp_size + j ||
// nut->frame_code[i].res != tmp_res ||
nut->frame_code[i].header_idx != tmp_head_idx)
break;
}
if (j != tmp_mul - tmp_size)
tmp_fields = 6;
ff_put_v(bc, tmp_flags);
ff_put_v(bc, tmp_fields);
if (tmp_fields > 0) put_s(bc, tmp_pts);
if (tmp_fields > 1) ff_put_v(bc, tmp_mul);
if (tmp_fields > 2) ff_put_v(bc, tmp_stream);
if (tmp_fields > 3) ff_put_v(bc, tmp_size);
if (tmp_fields > 4) ff_put_v(bc, 0 /*tmp_res*/);
if (tmp_fields > 5) ff_put_v(bc, j);
if (tmp_fields > 6) ff_put_v(bc, tmp_match);
if (tmp_fields > 7) ff_put_v(bc, tmp_head_idx);
}
ff_put_v(bc, nut->header_count - 1);
for (i = 1; i < nut->header_count; i++) {
ff_put_v(bc, nut->header_len[i]);
avio_write(bc, nut->header[i], nut->header_len[i]);
}
// flags had been effectively introduced in version 4
if (nut->version > NUT_STABLE_VERSION)
ff_put_v(bc, nut->flags);
}
| 26,359 |
qemu | a1f7f97b950a46393b0e55a9a0082e70f540cbbd | 1 | static void mmubooke_create_initial_mapping(CPUPPCState *env,
target_ulong va,
hwaddr pa)
{
ppcemb_tlb_t *tlb = &env->tlb.tlbe[0];
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0x80000000 */
tlb->EPN = va & TARGET_PAGE_MASK;
tlb->RPN = pa & TARGET_PAGE_MASK;
tlb->PID = 0;
tlb = &env->tlb.tlbe[1];
tlb->attr = 0;
tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
tlb->size = 1 << 31; /* up to 0xffffffff */
tlb->EPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->RPN = 0x80000000 & TARGET_PAGE_MASK;
tlb->PID = 0;
}
| 26,361 |
qemu | 187337f8b0ec0813dd3876d1efe37d415fb81c2e | 1 | struct pxa2xx_pcmcia_s *pxa2xx_pcmcia_init(target_phys_addr_t base)
{
int iomemtype;
struct pxa2xx_pcmcia_s *s;
s = (struct pxa2xx_pcmcia_s *)
qemu_mallocz(sizeof(struct pxa2xx_pcmcia_s));
/* Socket I/O Memory Space */
s->io_base = base | 0x00000000;
iomemtype = cpu_register_io_memory(0, pxa2xx_pcmcia_io_readfn,
pxa2xx_pcmcia_io_writefn, s);
cpu_register_physical_memory(s->io_base, 0x03ffffff, iomemtype);
/* Then next 64 MB is reserved */
/* Socket Attribute Memory Space */
s->attr_base = base | 0x08000000;
iomemtype = cpu_register_io_memory(0, pxa2xx_pcmcia_attr_readfn,
pxa2xx_pcmcia_attr_writefn, s);
cpu_register_physical_memory(s->attr_base, 0x03ffffff, iomemtype);
/* Socket Common Memory Space */
s->common_base = base | 0x0c000000;
iomemtype = cpu_register_io_memory(0, pxa2xx_pcmcia_common_readfn,
pxa2xx_pcmcia_common_writefn, s);
cpu_register_physical_memory(s->common_base, 0x03ffffff, iomemtype);
if (base == 0x30000000)
s->slot.slot_string = "PXA PC Card Socket 1";
else
s->slot.slot_string = "PXA PC Card Socket 0";
s->slot.irq = qemu_allocate_irqs(pxa2xx_pcmcia_set_irq, s, 1)[0];
pcmcia_socket_register(&s->slot);
return s;
}
| 26,362 |
FFmpeg | bac9c03ed9328c63aba46e280ba408431b53fcb4 | 1 | static int mov_text_decode_frame(AVCodecContext *avctx,
void *data, int *got_sub_ptr, AVPacket *avpkt)
{
AVSubtitle *sub = data;
MovTextContext *m = avctx->priv_data;
int ret;
AVBPrint buf;
char *ptr = avpkt->data;
char *end;
int text_length, tsmb_type, ret_tsmb;
uint64_t tsmb_size;
const uint8_t *tsmb;
if (!ptr || avpkt->size < 2)
return AVERROR_INVALIDDATA;
/*
* A packet of size two with value zero is an empty subtitle
* used to mark the end of the previous non-empty subtitle.
* We can just drop them here as we have duration information
* already. If the value is non-zero, then it's technically a
* bad packet.
*/
if (avpkt->size == 2)
return AV_RB16(ptr) == 0 ? 0 : AVERROR_INVALIDDATA;
/*
* The first two bytes of the packet are the length of the text string
* In complex cases, there are style descriptors appended to the string
* so we can't just assume the packet size is the string size.
*/
text_length = AV_RB16(ptr);
end = ptr + FFMIN(2 + text_length, avpkt->size);
ptr += 2;
tsmb_size = 0;
m->tracksize = 2 + text_length;
m->style_entries = 0;
m->box_flags = 0;
m->count_s = 0;
// Note that the spec recommends lines be no longer than 2048 characters.
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
if (text_length + 2 != avpkt->size) {
while (m->tracksize + 8 <= avpkt->size) {
// A box is a minimum of 8 bytes.
tsmb = ptr + m->tracksize - 2;
tsmb_size = AV_RB32(tsmb);
tsmb += 4;
tsmb_type = AV_RB32(tsmb);
tsmb += 4;
if (tsmb_size == 1) {
if (m->tracksize + 16 > avpkt->size)
break;
tsmb_size = AV_RB64(tsmb);
tsmb += 8;
m->size_var = 16;
} else
m->size_var = 8;
//size_var is equal to 8 or 16 depending on the size of box
if (tsmb_size == 0) {
av_log(avctx, AV_LOG_ERROR, "tsmb_size is 0\n");
return AVERROR_INVALIDDATA;
}
if (tsmb_size > avpkt->size - m->tracksize)
break;
for (size_t i = 0; i < box_count; i++) {
if (tsmb_type == box_types[i].type) {
if (m->tracksize + m->size_var + box_types[i].base_size > avpkt->size)
break;
ret_tsmb = box_types[i].decode(tsmb, m, avpkt);
if (ret_tsmb == -1)
break;
}
}
m->tracksize = m->tracksize + tsmb_size;
}
text_to_ass(&buf, ptr, end, m);
} else
text_to_ass(&buf, ptr, end, m);
ret = ff_ass_add_rect(sub, buf.str, m->readorder++, 0, NULL, NULL);
av_bprint_finalize(&buf, NULL);
if (ret < 0)
return ret;
*got_sub_ptr = sub->num_rects > 0;
return avpkt->size;
} | 26,363 |
FFmpeg | 53c0c637d36c1de9ea461a8d863e8703da090894 | 1 | static int ra144_decode_frame(AVCodecContext * avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
static const uint8_t sizes[LPC_ORDER] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
unsigned int refl_rms[NBLOCKS]; // RMS of the reflection coefficients
int16_t block_coefs[NBLOCKS][LPC_ORDER]; // LPC coefficients of each sub-block
unsigned int lpc_refl[LPC_ORDER]; // LPC reflection coefficients of the frame
int i, j;
int ret;
int16_t *samples;
unsigned int energy;
RA144Context *ractx = avctx->priv_data;
GetBitContext gb;
if (buf_size < FRAME_SIZE) {
av_log(avctx, AV_LOG_ERROR,
"Frame too small (%d bytes). Truncated file?\n", buf_size);
*got_frame_ptr = 0;
return AVERROR_INVALIDDATA;
}
/* get output buffer */
frame->nb_samples = NBLOCKS * BLOCKSIZE;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
samples = (int16_t *)frame->data[0];
init_get_bits8(&gb, buf, FRAME_SIZE);
for (i = 0; i < LPC_ORDER; i++)
lpc_refl[i] = ff_lpc_refl_cb[i][get_bits(&gb, sizes[i])];
ff_eval_coefs(ractx->lpc_coef[0], lpc_refl);
ractx->lpc_refl_rms[0] = ff_rms(lpc_refl);
energy = ff_energy_tab[get_bits(&gb, 5)];
refl_rms[0] = ff_interp(ractx, block_coefs[0], 1, 1, ractx->old_energy);
refl_rms[1] = ff_interp(ractx, block_coefs[1], 2,
energy <= ractx->old_energy,
ff_t_sqrt(energy*ractx->old_energy) >> 12);
refl_rms[2] = ff_interp(ractx, block_coefs[2], 3, 0, energy);
refl_rms[3] = ff_rescale_rms(ractx->lpc_refl_rms[0], energy);
ff_int_to_int16(block_coefs[3], ractx->lpc_coef[0]);
for (i=0; i < NBLOCKS; i++) {
do_output_subblock(ractx, block_coefs[i], refl_rms[i], &gb);
for (j=0; j < BLOCKSIZE; j++)
*samples++ = av_clip_int16(ractx->curr_sblock[j + 10] << 2);
}
ractx->old_energy = energy;
ractx->lpc_refl_rms[1] = ractx->lpc_refl_rms[0];
FFSWAP(unsigned int *, ractx->lpc_coef[0], ractx->lpc_coef[1]);
*got_frame_ptr = 1;
return FRAME_SIZE;
}
| 26,364 |
qemu | 5dd7a535b71a0f2f8e7af75c5d694174359ce323 | 1 | static void iscsi_timed_set_events(void *opaque)
{
IscsiLun *iscsilun = opaque;
iscsi_set_events(iscsilun);
}
| 26,365 |
qemu | b307446e04232b3a87e9da04886895a8e5a4a407 | 1 | void mips_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
int i;
cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx
" LO=0x" TARGET_FMT_lx " ds %04x "
TARGET_FMT_lx " " TARGET_FMT_ld "\n",
env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
env->hflags, env->btarget, env->bcond);
for (i = 0; i < 32; i++) {
if ((i & 3) == 0)
cpu_fprintf(f, "GPR%02d:", i);
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
if ((i & 3) == 3)
cpu_fprintf(f, "\n");
}
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x%016"
PRIx64 "\n",
env->CP0_Config0, env->CP0_Config1, env->lladdr);
cpu_fprintf(f, " Config2 0x%08x Config3 0x%08x\n",
env->CP0_Config2, env->CP0_Config3);
cpu_fprintf(f, " Config4 0x%08x Config5 0x%08x\n",
env->CP0_Config4, env->CP0_Config5);
if (env->hflags & MIPS_HFLAG_FPU)
fpu_dump_state(env, f, cpu_fprintf, flags);
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
#endif
}
| 26,366 |
qemu | 0d931d706266d6ada3bf22d3afca1afdc8d12fa9 | 1 | static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque)
{
SerialState *s = opaque;
do {
if (s->tsr_retry <= 0) {
if (s->fcr & UART_FCR_FE) {
if (fifo8_is_empty(&s->xmit_fifo)) {
return FALSE;
}
s->tsr = fifo8_pop(&s->xmit_fifo);
if (!s->xmit_fifo.num) {
s->lsr |= UART_LSR_THRE;
}
} else if ((s->lsr & UART_LSR_THRE)) {
return FALSE;
} else {
s->tsr = s->thr;
s->lsr |= UART_LSR_THRE;
s->lsr &= ~UART_LSR_TEMT;
}
}
if (s->mcr & UART_MCR_LOOP) {
/* in loopback mode, say that we just received a char */
serial_receive1(s, &s->tsr, 1);
} else if (qemu_chr_fe_write(s->chr, &s->tsr, 1) != 1) {
if (s->tsr_retry >= 0 && s->tsr_retry < MAX_XMIT_RETRY &&
qemu_chr_fe_add_watch(s->chr, G_IO_OUT|G_IO_HUP,
serial_xmit, s) > 0) {
s->tsr_retry++;
return FALSE;
}
s->tsr_retry = 0;
} else {
s->tsr_retry = 0;
}
/* Transmit another byte if it is already available. It is only
possible when FIFO is enabled and not empty. */
} while ((s->fcr & UART_FCR_FE) && !fifo8_is_empty(&s->xmit_fifo));
s->last_xmit_ts = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
if (s->lsr & UART_LSR_THRE) {
s->lsr |= UART_LSR_TEMT;
s->thr_ipending = 1;
serial_update_irq(s);
}
return FALSE;
}
| 26,369 |
FFmpeg | 95b192de5d05f3e1542e7b2378cdefbc195f5185 | 0 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
{
v->res_rtm_flag = 1;
v->level = get_bits(gb, 3);
if (v->level >= 5) {
av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level);
}
v->chromaformat = get_bits(gb, 2);
if (v->chromaformat != 1) {
av_log(v->s.avctx, AV_LOG_ERROR,
"Only 4:2:0 chroma format supported\n");
return -1;
}
// (fps-2)/4 (->30)
v->frmrtq_postproc = get_bits(gb, 3); //common
// (bitrate-32kbps)/64kbps
v->bitrtq_postproc = get_bits(gb, 5); //common
v->postprocflag = get_bits1(gb); //common
v->s.avctx->coded_width = (get_bits(gb, 12) + 1) << 1;
v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1;
v->s.avctx->width = v->s.avctx->coded_width;
v->s.avctx->height = v->s.avctx->coded_height;
v->broadcast = get_bits1(gb);
v->interlace = get_bits1(gb);
v->tfcntrflag = get_bits1(gb);
v->finterpflag = get_bits1(gb);
skip_bits1(gb); // reserved
av_log(v->s.avctx, AV_LOG_DEBUG,
"Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
"LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"
"TFCTRflag=%i, FINTERPflag=%i\n",
v->level, v->frmrtq_postproc, v->bitrtq_postproc,
v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace,
v->tfcntrflag, v->finterpflag);
v->psf = get_bits1(gb);
if (v->psf) { //PsF, 6.1.13
av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n");
return -1;
}
v->s.max_b_frames = v->s.avctx->max_b_frames = 7;
if (get_bits1(gb)) { //Display Info - decoding is not affected by it
int w, h, ar = 0;
av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n");
w = get_bits(gb, 14) + 1;
h = get_bits(gb, 14) + 1;
av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h);
if (get_bits1(gb))
ar = get_bits(gb, 4);
if (ar && ar < 14) {
v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar];
} else if (ar == 15) {
w = get_bits(gb, 8) + 1;
h = get_bits(gb, 8) + 1;
v->s.avctx->sample_aspect_ratio = (AVRational){w, h};
} else {
av_reduce(&v->s.avctx->sample_aspect_ratio.num,
&v->s.avctx->sample_aspect_ratio.den,
v->s.avctx->height * w,
v->s.avctx->width * h,
1 << 30);
}
av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n",
v->s.avctx->sample_aspect_ratio.num,
v->s.avctx->sample_aspect_ratio.den);
if (get_bits1(gb)) { //framerate stuff
if (get_bits1(gb)) {
v->s.avctx->time_base.num = 32;
v->s.avctx->time_base.den = get_bits(gb, 16) + 1;
} else {
int nr, dr;
nr = get_bits(gb, 8);
dr = get_bits(gb, 4);
if (nr && nr < 8 && dr && dr < 3) {
v->s.avctx->time_base.num = ff_vc1_fps_dr[dr - 1];
v->s.avctx->time_base.den = ff_vc1_fps_nr[nr - 1] * 1000;
}
}
if (v->broadcast) { // Pulldown may be present
v->s.avctx->time_base.den *= 2;
v->s.avctx->ticks_per_frame = 2;
}
}
if (get_bits1(gb)) {
v->color_prim = get_bits(gb, 8);
v->transfer_char = get_bits(gb, 8);
v->matrix_coef = get_bits(gb, 8);
}
}
v->hrd_param_flag = get_bits1(gb);
if (v->hrd_param_flag) {
int i;
v->hrd_num_leaky_buckets = get_bits(gb, 5);
skip_bits(gb, 4); //bitrate exponent
skip_bits(gb, 4); //buffer size exponent
for (i = 0; i < v->hrd_num_leaky_buckets; i++) {
skip_bits(gb, 16); //hrd_rate[n]
skip_bits(gb, 16); //hrd_buffer[n]
}
}
return 0;
}
| 26,370 |