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af_amerge: compute output timestamp.

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Use the timestamps from the first input.
This commit is contained in:
Nicolas George 2012-05-23 13:14:27 +02:00
parent e6aee46760
commit 0da28d689c
1 changed files with 5 additions and 0 deletions
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5
libavfilter/af_amerge.c
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@ -216,6 +216,11 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
ins[i] = (*inbuf[i])->data[0] +
am->queue[i].pos * am->nb_in_ch[i] * am->bps;
}
outbuf->pts = (*inbuf[0])->pts == AV_NOPTS_VALUE ? AV_NOPTS_VALUE :
(*inbuf[0])->pts +
av_rescale_q(am->queue[0].pos,
(AVRational){ 1, ctx->inputs[0]->sample_rate },
ctx->outputs[0]->time_base);
avfilter_copy_buffer_ref_props(outbuf, *inbuf[0]);
outbuf->audio->nb_samples = nb_samples;