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demux: delay bitrate calculation on packets with unknown timestamps 

Commit 503c6f7f essentially removed timestamps from "laces" (Block sub-
divisions), which means many audio packets will have no timestamp.
There's no reason why bitrate calculation can't just delayed to a point
when the next timestamp is known.

Fixes #2903 (no audio bitrate with mkv files).
This commit is contained in:
wm4 2016-03-05 12:48:58 +01:00
parent a714f8e928
commit 5c1fe2a4f3
1 changed files with 2 additions and 2 deletions
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4
demux/demux.c
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@ -681,11 +681,11 @@ static struct demux_packet *dequeue_packet(struct demux_stream *ds)
if (ts != MP_NOPTS_VALUE)
ds->base_ts = ts;
if (pkt->keyframe) {
if (pkt->keyframe && ts != MP_NOPTS_VALUE) {
// Update bitrate - only at keyframe points, because we use the
// (possibly) reordered packet timestamps instead of realtime.
double d = ts - ds->last_br_ts;
if (ts == MP_NOPTS_VALUE || ds->last_br_ts == MP_NOPTS_VALUE || d < 0) {
if (ds->last_br_ts == MP_NOPTS_VALUE || d < 0) {
ds->bitrate = -1;
ds->last_br_ts = ts;
ds->last_br_bytes = 0;