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avfilter/af_headphone: do not output invalid samples when flushing

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2018-04-14 18:38:54 +02:00
parent 01170e9db0
commit 8daca7697b
1 changed files with 12 additions and 4 deletions
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16
libavfilter/af_headphone.c
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@ -349,7 +349,7 @@ static int read_ir(AVFilterLink *inlink, AVFrame *frame)
return 0;
}
static int headphone_frame(HeadphoneContext *s, AVFilterLink *outlink)
static int headphone_frame(HeadphoneContext *s, AVFilterLink *outlink, int max_nb_samples)
{
AVFilterContext *ctx = outlink->src;
AVFrame *in = s->in[0].frame;
@ -383,6 +383,7 @@ static int headphone_frame(HeadphoneContext *s, AVFilterLink *outlink)
n_clippings[0] + n_clippings[1], out->nb_samples * 2);
}
out->nb_samples = max_nb_samples;
return ff_filter_frame(outlink, out);
}
@ -593,7 +594,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (s->have_hrirs) {
while (av_audio_fifo_size(s->in[0].fifo) >= s->size) {
ret = headphone_frame(s, outlink);
ret = headphone_frame(s, outlink, s->size);
if (ret < 0)
return ret;
}
@ -745,13 +746,20 @@ static int request_frame(AVFilterLink *outlink)
ret = ff_request_frame(ctx->inputs[0]);
if (ret == AVERROR_EOF && av_audio_fifo_size(s->in[0].fifo) > 0 && s->have_hrirs) {
AVFrame *in = ff_get_audio_buffer(outlink, s->size);
int nb_samples = av_audio_fifo_size(s->in[0].fifo);
AVFrame *in = ff_get_audio_buffer(outlink, s->size - nb_samples);
av_samples_set_silence(in->extended_data, 0,
in->nb_samples,
outlink->channels,
outlink->format);
ret = av_audio_fifo_write(s->in[0].fifo, (void **)in->extended_data,
in->nb_samples);
if (ret < 0)
return ret;
ret = headphone_frame(s, outlink);
ret = headphone_frame(s, outlink, nb_samples);
av_audio_fifo_drain(s->in[0].fifo, av_audio_fifo_size(s->in[0].fifo));
}