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lavfi/af_atempo: simplify request_frame loop.

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This commit is contained in:
Nicolas George 2013-03-31 19:36:38 +02:00
parent b570f24d76
commit d38c173dfb
1 changed files with 3 additions and 8 deletions
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11
libavfilter/af_atempo.c
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@ -139,7 +139,6 @@ typedef struct {
FFTSample *correlation;
// for managing AVFilterPad.request_frame and AVFilterPad.filter_frame
int request_fulfilled;
AVFrame *dst_buffer;
uint8_t *dst;
uint8_t *dst_end;
@ -181,7 +180,6 @@ static void yae_clear(ATempoContext *atempo)
atempo->dst = NULL;
atempo->dst_end = NULL;
atempo->request_fulfilled = 0;
atempo->nsamples_in = 0;
atempo->nsamples_out = 0;
}
@ -1017,6 +1015,8 @@ static int config_props(AVFilterLink *inlink)
int sample_rate = (int)inlink->sample_rate;
int channels = av_get_channel_layout_nb_channels(inlink->channel_layout);
ctx->outputs[0]->flags |= FF_LINK_FLAG_REQUEST_LOOP;
return yae_reset(atempo, format, sample_rate, channels);
}
@ -1074,7 +1074,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *src_buffer)
ret = push_samples(atempo, outlink, n_out);
if (ret < 0)
goto end;
atempo->request_fulfilled = 1;
}
}
@ -1090,11 +1089,7 @@ static int request_frame(AVFilterLink *outlink)
ATempoContext *atempo = ctx->priv;
int ret;
atempo->request_fulfilled = 0;
do {
ret = ff_request_frame(ctx->inputs[0]);
}
while (!atempo->request_fulfilled && ret >= 0);
ret = ff_request_frame(ctx->inputs[0]);
if (ret == AVERROR_EOF) {
// flush the filter: