avcodec/utvideodec : use gradient_pred dsp in interlace decoding

[ffmpeg] / libavcodec / mpegpicture.c

diff --git a/libavcodec/mpegpicture.c b/libavcodec/mpegpicture.c
index 9811a778b75e7640d6c27c217499c7552b20129e..2be670cdbc2305c1b19a2778cfd191a6ddd1e680 100644 (file)
--- a/libavcodec/mpegpicture.c
+++ b/libavcodec/mpegpicture.c
@@ -22,6 +22,7 @@
 
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
+#include "libavutil/pixdesc.h"
 
 #include "avcodec.h"
 #include "motion_est.h"
@@ -155,7 +156,8 @@ static int alloc_frame_buffer(AVCodecContext *avctx,  Picture *pic,
         return -1;
     }
 
-    if (pic->f->linesize[1] != pic->f->linesize[2]) {
+    if (av_pix_fmt_count_planes(pic->f->format) > 2 &&
+        pic->f->linesize[1] != pic->f->linesize[2]) {
         av_log(avctx, AV_LOG_ERROR,
                "get_buffer() failed (uv stride mismatch)\n");
         ff_mpeg_unref_picture(avctx, pic);
@@ -373,8 +375,10 @@ int ff_mpeg_ref_picture(AVCodecContext *avctx, Picture *dst, Picture *src)
 
     if (src->hwaccel_picture_private) {
         dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
-        if (!dst->hwaccel_priv_buf)
+        if (!dst->hwaccel_priv_buf) {
+            ret = AVERROR(ENOMEM);
             goto fail;
+        }
         dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
     }