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af_resample: avoid conversion of identical sample formats for 1 channel

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When there is only 1 channel, the planar and interleaved formats of the same
data type should be treated as identical.
This commit is contained in:
Justin Ruggles 2012-09-20 13:28:34 -04:00
parent 37f701f1c3
commit 7b556be673
1 changed files with 6 additions and 1 deletions
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7
libavfilter/af_resample.c
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@ -93,7 +93,11 @@ static int config_output(AVFilterLink *outlink)
if (inlink->channel_layout == outlink->channel_layout &&
inlink->sample_rate == outlink->sample_rate &&
inlink->format == outlink->format)
(inlink->format == outlink->format ||
(av_get_channel_layout_nb_channels(inlink->channel_layout) == 1 &&
av_get_channel_layout_nb_channels(outlink->channel_layout) == 1 &&
av_get_planar_sample_fmt(inlink->format) ==
av_get_planar_sample_fmt(outlink->format))))
return 0;
if (!(s->avr = avresample_alloc_context()))
@ -226,6 +230,7 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *buf)
fail:
avfilter_unref_buffer(buf);
} else {
buf->format = outlink->format;
ret = ff_filter_samples(outlink, buf);
s->got_output = 1;
}