vaapi_h264: Set max_num_ref_frames to 1 when not using B frames

(cherry picked from commit 956a54129d)
8 years ago · ee1d04f970
parent 94f446c628
commit ee1d04f970
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/vaapi_encode_h264.c
+++ b/libavcodec/vaapi_encode_h264.c
@ -778,7 +778,7 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)

        vseq->level_idc = avctx->level;

-        vseq->max_num_ref_frames = 2;
+        vseq->max_num_ref_frames = 1 + (avctx->max_b_frames > 0);

        vseq->picture_width_in_mbs  = priv->mb_width;
        vseq->picture_height_in_mbs = priv->mb_height;