avcodec/vlc, bitstream: Allow to use BE codes to initialize LE VLC

[ffmpeg] / libavcodec / libvpxdec.c

diff --git a/libavcodec/libvpxdec.c b/libavcodec/libvpxdec.c
index fdd5d458d347c7b06523dff0a346f992077da78a..3e320446f8fcf718d4c0f53010c35d4db378a85c 100644 (file)
--- a/libavcodec/libvpxdec.c
+++ b/libavcodec/libvpxdec.c
@@ -32,6 +32,7 @@
 #include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
+#include "decode.h"
 #include "internal.h"
 #include "libvpx.h"
 #include "profiles.h"
@@ -220,7 +221,7 @@ static int vpx_decode(AVCodecContext *avctx,
     struct vpx_image *img, *img_alpha;
     int ret;
     uint8_t *side_data = NULL;
-    int side_data_size = 0;
+    int side_data_size;
 
     ret = decode_frame(avctx, &ctx->decoder, avpkt->data, avpkt->size);
     if (ret)
@@ -283,6 +284,17 @@ static int vpx_decode(AVCodecContext *avctx,
                 return ret;
         }
 
+        if (ctx->has_alpha_channel &&
+            (img->d_w != img_alpha->d_w ||
+             img->d_h != img_alpha->d_h ||
+             img->bit_depth != img_alpha->bit_depth)) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Video dimensions %dx%d@%dbpc differ from alpha dimensions %dx%d@%dbpc\n",
+                   img->d_w, img->d_h, img->bit_depth,
+                   img_alpha->d_w, img_alpha->d_h, img_alpha->bit_depth);
+            return AVERROR_INVALIDDATA;
+        }
+
         planes[0] = img->planes[VPX_PLANE_Y];
         planes[1] = img->planes[VPX_PLANE_U];
         planes[2] = img->planes[VPX_PLANE_V];