int avfilter_default_query_formats(AVFilterContext *ctx)
{
avfilter_set_common_pixel_formats(ctx, avfilter_all_formats(AVMEDIA_TYPE_VIDEO));
avfilter_set_common_sample_formats(ctx, avfilter_all_formats(AVMEDIA_TYPE_AUDIO));
avfilter_set_common_channel_layouts(ctx, avfilter_all_channel_layouts());
avfilter_set_common_packing_formats(ctx, avfilter_all_packing_formats());
return 0;
}
int avfilter_default_query_formats(AVFilterContext *ctx)
{
enum AVMediaType type = ctx->inputs && ctx->inputs [0] ? ctx->inputs [0]->type :
ctx->outputs && ctx->outputs[0] ? ctx->outputs[0]->type :
AVMEDIA_TYPE_VIDEO;
avfilter_set_common_formats(ctx, avfilter_all_formats(type));
return 0;
}
static int query_formats(AVFilterContext *ctx)
{
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterFormats *in_formats = avfilter_all_formats(AVMEDIA_TYPE_AUDIO);
AVFilterFormats *out_formats = avfilter_all_formats(AVMEDIA_TYPE_AUDIO);
AVFilterFormats *in_samplerates = ff_all_samplerates();
AVFilterFormats *out_samplerates = ff_all_samplerates();
AVFilterChannelLayouts *in_layouts = ff_all_channel_layouts();
AVFilterChannelLayouts *out_layouts = ff_all_channel_layouts();
avfilter_formats_ref(in_formats, &inlink->out_formats);
avfilter_formats_ref(out_formats, &outlink->in_formats);
avfilter_formats_ref(in_samplerates, &inlink->out_samplerates);
avfilter_formats_ref(out_samplerates, &outlink->in_samplerates);
ff_channel_layouts_ref(in_layouts, &inlink->out_channel_layouts);
ff_channel_layouts_ref(out_layouts, &outlink->in_channel_layouts);
return 0;
}
static int query_formats(AVFilterContext *ctx)
{
AResampleContext *aresample = ctx->priv;
int out_rate = av_get_int(aresample->swr, "osr", NULL);
uint64_t out_layout = av_get_int(aresample->swr, "ocl", NULL);
enum AVSampleFormat out_format = av_get_int(aresample->swr, "osf", NULL);
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterFormats *in_formats = avfilter_all_formats(AVMEDIA_TYPE_AUDIO);
AVFilterFormats *out_formats;
AVFilterFormats *in_samplerates = ff_all_samplerates();
AVFilterFormats *out_samplerates;
AVFilterChannelLayouts *in_layouts = ff_all_channel_layouts();
AVFilterChannelLayouts *out_layouts;
avfilter_formats_ref (in_formats, &inlink->out_formats);
avfilter_formats_ref (in_samplerates, &inlink->out_samplerates);
ff_channel_layouts_ref(in_layouts, &inlink->out_channel_layouts);
if(out_rate > 0) {
out_samplerates = avfilter_make_format_list((int[]){ out_rate, -1 });
static int mpsink_query_formats(AVFilterContext *ctx)
{
struct mpsink_priv *c = ctx->priv;
struct vf_instance *vf = c->vf;
AVFilterFormats *all;
enum AVPixelFormat *sup;
unsigned i, nsup = 0;
int ifmt;
all = avfilter_all_formats(AVMEDIA_TYPE_VIDEO);
sup = av_mallocz(sizeof(*sup) * (all->format_count + 1));
if (!sup)
return AVERROR(errno);
for(i = 0; i < all->format_count; i++) {
ifmt = pixfmt2imgfmt(all->formats[i]);
if (vf->next->query_format(vf->next, ifmt) > 0)
sup[nsup++] = all->formats[i];
}
sup[nsup++] = AV_PIX_FMT_NONE;
avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(sup));
av_free(sup);
return 0;
}
