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demux_mkv: correctly export unknown packet durations

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Instead of just setting the duration to 0.
This commit is contained in:
wm4 2016-03-04 23:58:44 +01:00
parent 9972847265
commit cda0dc9070
1 changed files with 3 additions and 2 deletions
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5
demux/demux_mkv.c
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@ -152,7 +152,7 @@ typedef struct mkv_index {
struct block_info {
uint64_t duration, discardpadding;
bool simple, keyframe;
bool simple, keyframe, duration_known;
int64_t timecode;
mkv_track_t *track;
bstr data;
@ -2461,7 +2461,7 @@ static int handle_block(demuxer_t *demuxer, struct block_info *block_info)
dp->pts = current_pts + i * track->default_duration;
if (stream->codec->avi_dts)
MPSWAP(double, dp->pts, dp->dts);
if (i == 0)
if (i == 0 && block_info->duration_known)
dp->duration = block_duration / 1e9;
if (stream->type == STREAM_AUDIO) {
unsigned int srate = stream->codec->samplerate;
@ -2504,6 +2504,7 @@ static int read_block_group(demuxer_t *demuxer, int64_t end,
if (block->duration == EBML_UINT_INVALID)
goto error;
block->duration *= mkv_d->tc_scale;
block->duration_known = true;
break;
case MATROSKA_ID_DISCARDPADDING: