videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

matroskaenc: write CodecDelay

This commit is contained in:
Anton Khirnov 2014-04-29 12:26:38 +02:00
parent 1c0210c798
commit a1aa37dd0b
3 changed files with 38 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
libavformat/matroskaenc.c
View File

@ -78,6 +78,7 @@ typedef struct {
typedef struct {
int write_dts;
int64_t ts_offset;
} mkv_track;
#define MODE_MATROSKAv2 0x01
@ -600,6 +601,16 @@ static int mkv_write_tracks(AVFormatContext *s)
if (!(st->disposition & AV_DISPOSITION_DEFAULT))
put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT));
if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay) {
mkv->tracks[i].ts_offset = av_rescale_q(codec->delay,
(AVRational){ 1, codec->sample_rate },
st->time_base);
put_ebml_uint(pb, MATROSKA_ID_CODECDELAY,
av_rescale_q(codec->delay, (AVRational){ 1, codec->sample_rate },
(AVRational){ 1, 1000000000 }));
}
// look for a codec ID string specific to mkv to use,
// if none are found, use AVI codes
for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) {
@ -1261,6 +1272,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
av_log(s, AV_LOG_ERROR, "Can't write packet with unknown timestamp\n");
return AVERROR(EINVAL);
}
ts += mkv->tracks[pkt->stream_index].ts_offset;
if (!s->pb->seekable) {
if (!mkv->dyn_bc)
@ -1312,6 +1324,7 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt)
cluster_time = pkt->dts - mkv->cluster_pts;
else
cluster_time = pkt->pts - mkv->cluster_pts;
cluster_time += mkv->tracks[pkt->stream_index].ts_offset;
// start a new cluster every 5 MB or 5 sec, or 32k / 1 sec for streaming or
// after 4k and on a keyframe

6
tests/ref/lavf/mkv
View File

@ -1,3 +1,3 @@
7c21e1e6b4fe71f361564f8eebedf4e1 *./tests/data/lavf/lavf.mkv
320268 ./tests/data/lavf/lavf.mkv
./tests/data/lavf/lavf.mkv CRC=0x7d5d3cda
753261b6299d2ef36cfba70f6e6fa848 *./tests/data/lavf/lavf.mkv
320275 ./tests/data/lavf/lavf.mkv
./tests/data/lavf/lavf.mkv CRC=0xbe7d3cda

44
tests/ref/seek/lavf-mkv
View File

@ -1,53 +1,53 @@
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 518 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st:-1 flags:0 ts:-1.000000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 0 flags:0 ts: 0.788000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 0 flags:1 ts:-0.317000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st: 1 flags:0 ts: 2.577000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 1.471000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 319997 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320004 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146709 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146716 size: 27925
ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st: 0 flags:0 ts: 2.153000
ret:-EOF
ret: 0 st: 0 flags:1 ts: 1.048000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 1 flags:0 ts:-0.058000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 518 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st: 1 flags:1 ts: 2.836000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 319997 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320004 size: 209
ret: 0 st:-1 flags:0 ts: 1.730004
ret:-EOF
ret: 0 st:-1 flags:1 ts: 0.624171
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146709 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146716 size: 27925
ret: 0 st: 0 flags:0 ts:-0.482000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st: 0 flags:1 ts: 2.413000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 1 flags:0 ts: 1.307000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 0.201000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 518 size: 208
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st:-1 flags:0 ts:-0.904994
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 0 flags:0 ts: 0.883000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292156 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292163 size: 27834
ret: 0 st: 0 flags:1 ts:-0.222000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208
ret: 0 st: 1 flags:0 ts: 2.672000
ret:-EOF
ret: 0 st: 1 flags:1 ts: 1.566000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 319997 size: 209
ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 320004 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146709 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146716 size: 27925
ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 734 size: 27837
ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 525 size: 208