vaapi_h264: Set max_num_ref_frames to 1 when not using B frames
authorMark Thompson <sw@jkqxz.net>
Tue, 27 Sep 2016 18:08:42 +0000 (19:08 +0100)
committerMark Thompson <sw@jkqxz.net>
Wed, 28 Sep 2016 21:54:11 +0000 (22:54 +0100)
libavcodec/vaapi_encode_h264.c

index 0cd966f..020f892 100644 (file)
@@ -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;