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lavfi/af_asetnsamples: simplify request_frame loop.

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This commit is contained in:
Nicolas George 2013-03-31 19:34:35 +02:00
parent 9566ba91ab
commit b570f24d76
1 changed files with 2 additions and 8 deletions
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10
libavfilter/af_asetnsamples.c
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@ -38,7 +38,6 @@ typedef struct {
int nb_out_samples; ///< how many samples to output
AVAudioFifo *fifo; ///< samples are queued here
int64_t next_out_pts;
int req_fullfilled;
int pad;
} ASNSContext;
@ -86,6 +85,7 @@ static int config_props_output(AVFilterLink *outlink)
asns->fifo = av_audio_fifo_alloc(outlink->format, nb_channels, asns->nb_out_samples);
if (!asns->fifo)
return AVERROR(ENOMEM);
outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP;
return 0;
}
@ -128,7 +128,6 @@ static int push_samples(AVFilterLink *outlink)
ret = ff_filter_frame(outlink, outsamples);
if (ret < 0)
return ret;
asns->req_fullfilled = 1;
return nb_out_samples;
}
@ -161,15 +160,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
static int request_frame(AVFilterLink *outlink)
{
ASNSContext *asns = outlink->src->priv;
AVFilterLink *inlink = outlink->src->inputs[0];
int ret;
asns->req_fullfilled = 0;
do {
ret = ff_request_frame(inlink);
} while (!asns->req_fullfilled && ret >= 0);
ret = ff_request_frame(inlink);
if (ret == AVERROR_EOF) {
ret = push_samples(outlink);
return ret < 0 ? ret : ret > 0 ? 0 : AVERROR_EOF;