af_pan: move query_format before config_props.

That is the logical order in which the functions are called,
and there is no longer any need of forward declarations.
This commit is contained in:
Nicolas George 2012-02-20 21:45:18 +01:00
parent eb9ba527e7
commit a923b6b8f4
1 changed files with 23 additions and 23 deletions

View File

@ -210,6 +210,29 @@ static int are_gains_pure(const PanContext *pan)
return 1;
}
static int query_formats(AVFilterContext *ctx)
{
PanContext *pan = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterFormats *formats;
pan->pure_gains = are_gains_pure(pan);
/* 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());
// inlink supports any channel layout
formats = avfilter_make_all_channel_layouts();
avfilter_formats_ref(formats, &inlink->out_chlayouts);
// outlink supports only requested output channel layout
formats = NULL;
avfilter_add_format(&formats, pan->out_channel_layout);
avfilter_formats_ref(formats, &outlink->in_chlayouts);
return 0;
}
static int config_props(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
@ -343,29 +366,6 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
avfilter_unref_buffer(insamples);
}
static int query_formats(AVFilterContext *ctx)
{
PanContext *pan = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterFormats *formats;
pan->pure_gains = are_gains_pure(pan);
/* 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());
// inlink supports any channel layout
formats = avfilter_make_all_channel_layouts();
avfilter_formats_ref(formats, &inlink->out_chlayouts);
// outlink supports only requested output channel layout
formats = NULL;
avfilter_add_format(&formats, pan->out_channel_layout);
avfilter_formats_ref(formats, &outlink->in_chlayouts);
return 0;
}
static av_cold void uninit(AVFilterContext *ctx)
{
PanContext *pan = ctx->priv;