lavc: add a sample_aspect_ratio field to AVFrame

The sample aspect ratio is a per-frame property, so it makes sense to
define it in AVFrame rather than in the codec/stream context.
Simplify application-level sample aspect ratio information extraction,
and allow further simplifications.

1 files changed, 1 insertions, 0 deletions

diff --git a/cmdutils.c b/cmdutils.c
index 1c2bf4696b..c5c2c1ced0 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -1047,6 +1047,7 @@ int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
     frame->top_field_first  = picref->video->top_field_first;
     frame->key_frame        = picref->video->key_frame;
     frame->pict_type        = picref->video->pict_type;
+    frame->sample_aspect_ratio = picref->video->pixel_aspect;
 
     return 1;
 }