[FFmpeg-devel] [PATCH 1/2] avcodec/av1: honor the requested skip_frame level

[James Almer]

This supports dropping non-intra, non-key, or all frames.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/av1dec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index db110c50c7..94f65c6540 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -916,6 +916,12 @@ static int set_output_frame(AVCodecContext *avctx, AVFrame *frame,
         av_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
         return 0;
 
+    if ((avctx->skip_frame >= AVDISCARD_NONINTRA && (s->raw_frame_header->frame_type != AV1_FRAME_KEY &&
+                                                     s->raw_frame_header->frame_type != AV1_FRAME_INTRA_ONLY)) ||
+        (avctx->skip_frame >= AVDISCARD_NONKEY   &&  s->raw_frame_header->frame_type != AV1_FRAME_KEY) ||
+         avctx->skip_frame >= AVDISCARD_ALL)
+        return 0;
+
     ret = av_frame_ref(frame, srcframe);
     if (ret < 0)
         return ret;
-- 
2.34.1