diff options
Diffstat (limited to 'libavfilter/af_aresample.c')
| -rw-r--r-- | libavfilter/af_aresample.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libavfilter/af_aresample.c b/libavfilter/af_aresample.c index a2980d90cd..521ccf7f8d 100644 --- a/libavfilter/af_aresample.c +++ b/libavfilter/af_aresample.c @@ -56,6 +56,42 @@ static av_cold void uninit(AVFilterContext *ctx) swr_free(&aresample->swr); } +static int query_formats(AVFilterContext *ctx) +{ + AResampleContext *aresample = ctx->priv; + + 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; + + + 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); + + ff_channel_layouts_ref(in_layouts, &inlink->out_channel_layouts); + ff_channel_layouts_ref(out_layouts, &outlink->in_channel_layouts); + + if(aresample->out_rate > 0) { + int sample_rates[] = { aresample->out_rate, -1 }; + ff_set_common_samplerates(ctx, avfilter_make_format_list(sample_rates)); + } else { + out_samplerates = ff_all_samplerates(); + avfilter_formats_ref(out_samplerates, &outlink->in_samplerates); + } + + return 0; +} + + static int config_output(AVFilterLink *outlink) { int ret; @@ -113,6 +149,7 @@ AVFilter avfilter_af_aresample = { .description = NULL_IF_CONFIG_SMALL("Resample audio data."), .init = init, .uninit = uninit, + .query_formats = query_formats, .priv_size = sizeof(AResampleContext), .inputs = (const AVFilterPad[]) {{ .name = "default", |