|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#include "avformat.h" |
|
#include "internal.h" |
|
#include "mux.h" |
|
|
|
static int write_header(AVFormatContext *s) |
|
{ |
|
static const char *header = "# timecode format v2\n"; |
|
avio_write(s->pb, header, strlen(header)); |
|
avpriv_set_pts_info(s->streams[0], 64, 1, 1000); |
|
return 0; |
|
} |
|
|
|
static int write_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
char buf[256]; |
|
if (pkt->stream_index) |
|
av_log(s, AV_LOG_WARNING, "More than one stream unsupported\n"); |
|
snprintf(buf, sizeof(buf), "%" PRId64 "\n", pkt->dts); |
|
avio_write(s->pb, buf, strlen(buf)); |
|
return 0; |
|
} |
|
|
|
const FFOutputFormat ff_mkvtimestamp_v2_muxer = { |
|
.p.name = "mkvtimestamp_v2", |
|
.p.long_name = NULL_IF_CONFIG_SMALL("extract pts as timecode v2 format, as defined by mkvtoolnix"), |
|
.p.audio_codec = AV_CODEC_ID_NONE, |
|
.p.video_codec = AV_CODEC_ID_RAWVIDEO, |
|
.write_header = write_header, |
|
.write_packet = write_packet, |
|
}; |
|
|