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avfilter/af_anlmdn: do not output more samples than received

This commit is contained in:
Paul B Mahol 2019-01-11 16:51:49 +01:00
parent 127564b3f1
commit c65c4ce773
1 changed files with 8 additions and 6 deletions
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14
libavfilter/af_anlmdn.c
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@ -270,6 +270,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (out) {
out->pts = s->pts;
out->nb_samples = s->offset;
if (s->eof_left >= 0) {
out->nb_samples = FFMIN(s->eof_left, s->offset);
s->eof_left -= out->nb_samples;
}
s->pts += s->offset;
return ff_filter_frame(outlink, out);
@ -290,15 +294,13 @@ static int request_frame(AVFilterLink *outlink)
AVFrame *in;
if (s->eof_left < 0)
s->eof_left = av_audio_fifo_size(s->fifo);
in = ff_get_audio_buffer(outlink, FFMIN(s->H, s->N - s->eof_left));
s->eof_left = av_audio_fifo_size(s->fifo) - (s->S + s->K);
if (s->eof_left < 0)
return AVERROR_EOF;
in = ff_get_audio_buffer(outlink, s->H);
if (!in)
return AVERROR(ENOMEM);
if (s->eof_left < s->H)
s->eof_left = 0;
else
s->eof_left -= s->H;
return filter_frame(ctx->inputs[0], in);
}