lavfi: add audio channel packing negotiation fields

Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>

1 files changed, 8 insertions, 0 deletions

diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c
index b03816dd24..eef9fd1278 100644
--- a/libavfilter/defaults.c
+++ b/libavfilter/defaults.c
@@ -239,11 +239,19 @@ void avfilter_set_common_channel_layouts(AVFilterContext *ctx, AVFilterFormats *
                        offsetof(AVFilterLink, out_chlayouts));
 }
 
+void avfilter_set_common_packing_formats(AVFilterContext *ctx, AVFilterFormats *formats)
+{
+    set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO,
+                       offsetof(AVFilterLink, in_packing),
+                       offsetof(AVFilterLink, out_packing));
+}
+
 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;
 }