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lavfi: use avfilter_get_audio_buffer_ref_from_arrays() in defaults.c 

Use avfilter_get_audio_buffer_ref_from_arrays() in
avfilter_default_get_audio_buffer(), simplify.
This commit is contained in:
Stefano Sabatini 2011-02-12 17:56:50 +01:00
parent c3819600e2
commit 989184fea4
1 changed files with 14 additions and 34 deletions
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48
libavfilter/defaults.c
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@ -84,47 +84,27 @@ AVFilterBufferRef *avfilter_default_get_audio_buffer(AVFilterLink *link, int per
enum AVSampleFormat sample_fmt, int nb_samples,
int64_t channel_layout, int planar)
{
AVFilterBuffer *samples = av_mallocz(sizeof(AVFilterBuffer));
AVFilterBufferRef *ref = NULL;
AVFilterBufferRef *samplesref = NULL;
int linesize[8];
uint8_t *data[8];
int nb_channels = av_get_channel_layout_nb_channels(channel_layout);
if (!samples || !(ref = av_mallocz(sizeof(AVFilterBufferRef))))
goto fail;
ref->buf = samples;
ref->format = sample_fmt;
ref->audio = av_mallocz(sizeof(AVFilterBufferRefAudioProps));
if (!ref->audio)
goto fail;
ref->audio->channel_layout = channel_layout;
ref->audio->nb_samples = nb_samples;
ref->audio->planar = planar;
/* make sure the buffer gets read permission or it's useless for output */
ref->perms = perms | AV_PERM_READ;
samples->refcount = 1;
samples->free = ff_avfilter_default_free_buffer;
/* Calculate total buffer size, round to multiple of 16 to be SIMD friendly */
if (av_samples_alloc(samples->data, samples->linesize,
if (av_samples_alloc(data, linesize,
nb_channels, nb_samples, sample_fmt,
planar, 16) < 0)
goto fail;
return NULL;
memcpy(ref->data, samples->data, sizeof(ref->data));
memcpy(ref->linesize, samples->linesize, sizeof(ref->linesize));
samplesref =
avfilter_get_audio_buffer_ref_from_arrays(data, linesize, perms,
nb_samples, sample_fmt,
channel_layout, planar);
if (!samplesref) {
av_free(data[0]);
return NULL;
}
return ref;
fail:
if (ref)
av_free(ref->audio);
av_free(ref);
av_free(samples);
return NULL;
return samplesref;
}
void avfilter_default_start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)