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demux_mkv: for subtitle preroll, consider all clusters

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This considered only index entries that were for the same track ID as
the track used for seeking. This doesn't make much sense for preroll;
it'll just possibly skip clusters, and select an earlier cluster.

One possible negative side-effect is that the preroll might be too tight
now, and miss subtitle packets more often.
This commit is contained in:
wm4 2014-11-05 21:50:20 +01:00
parent 6ab364df4b
commit 24e52f6643
1 changed files with 3 additions and 5 deletions
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8
demux/demux_mkv.c
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@ -2716,11 +2716,9 @@ static struct mkv_index *seek_with_cues(struct demuxer *demuxer, int seek_id,
if (flags & SEEK_SUBPREROLL) {
uint64_t prev_target = 0;
for (size_t i = 0; i < mkv_d->num_indexes; i++) {
if (seek_id < 0 || mkv_d->indexes[i].tnum == seek_id) {
uint64_t index_pos = mkv_d->indexes[i].filepos;
if (index_pos > prev_target && index_pos < seek_pos)
prev_target = index_pos;
}
uint64_t index_pos = mkv_d->indexes[i].filepos;
if (index_pos > prev_target && index_pos < seek_pos)
prev_target = index_pos;
}
if (mkv_d->index_has_durations) {
// If there are no earlier subtitles overlapping with the