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aresample: increase n_out buffer size a bit to reduce delay in some corner cases 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-13 18:17:48 +01:00
parent 7726916c14
commit 616e6ffac6
1 changed files with 1 additions and 1 deletions
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2
libavfilter/af_aresample.c
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@ -174,7 +174,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *insamplesref)
{ {
AResampleContext *aresample = inlink->dst->priv; AResampleContext *aresample = inlink->dst->priv;
const int n_in = insamplesref->audio->nb_samples; const int n_in = insamplesref->audio->nb_samples;
int n_out = FFMAX(n_in * aresample->ratio * 2, 1); int n_out = n_in * aresample->ratio * 2 + 256;
AVFilterLink *const outlink = inlink->dst->outputs[0]; AVFilterLink *const outlink = inlink->dst->outputs[0];
AVFilterBufferRef *outsamplesref = ff_get_audio_buffer(outlink, AV_PERM_WRITE, n_out); AVFilterBufferRef *outsamplesref = ff_get_audio_buffer(outlink, AV_PERM_WRITE, n_out);
int ret; int ret;