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af_pan: remove the indirect function call. 

libswresample is used in all cases.
This commit is contained in:
Nicolas George 2012-02-20 21:43:16 +01:00
parent 6a3f1726af
commit eb9ba527e7
1 changed files with 1 additions and 16 deletions
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17
libavfilter/af_pan.c
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@ -48,11 +48,6 @@ typedef struct PanContext {
int nb_output_channels;
int pure_gains;
void (*filter_samples)(struct PanContext*,
AVFilterBufferRef*,
AVFilterBufferRef*,
int);
/* channel mapping specific */
int channel_map[SWR_CH_MAX];
struct SwrContext *swr;
@ -332,14 +327,6 @@ static int config_props(AVFilterLink *link)
return 0;
}
static void filter_samples_channel_mapping(PanContext *pan,
AVFilterBufferRef *outsamples,
AVFilterBufferRef *insamples,
int n)
{
swr_convert(pan->swr, outsamples->data, n, (void *)insamples->data, n);
}
static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
{
int n = insamples->audio->nb_samples;
@ -347,8 +334,7 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
AVFilterBufferRef *outsamples = avfilter_get_audio_buffer(outlink, AV_PERM_WRITE, n);
PanContext *pan = inlink->dst->priv;
pan->filter_samples(pan, outsamples, insamples, n);
swr_convert(pan->swr, outsamples->data, n, (void *)insamples->data, n);
avfilter_copy_buffer_ref_props(outsamples, insamples);
outsamples->audio->channel_layout = outlink->channel_layout;
outsamples->audio->planar = outlink->planar;
@ -368,7 +354,6 @@ static int query_formats(AVFilterContext *ctx)
/* libswr supports any sample and packing formats */
avfilter_set_common_sample_formats(ctx, avfilter_make_all_formats(AVMEDIA_TYPE_AUDIO));
avfilter_set_common_packing_formats(ctx, avfilter_make_all_packing_formats());
pan->filter_samples = filter_samples_channel_mapping;
// inlink supports any channel layout
formats = avfilter_make_all_channel_layouts();