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;
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;
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;
/* 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();