X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fxwddec.c;h=8c4358fd4cd04e4499949515c80e8831b8e89405;hb=eb6ea948ed2f86361ae0b9d8689368d466b8337f;hp=8b0845fc01376292129e47542d9813e963d3fca9;hpb=217ad40aef9eeeff4e805dec3e980fb16aec3345;p=ffmpeg

diff --git a/libavcodec/xwddec.c b/libavcodec/xwddec.c
index 8b0845fc013..8c4358fd4cd 100644
--- a/libavcodec/xwddec.c
+++ b/libavcodec/xwddec.c
@@ -39,6 +39,7 @@ static int xwd_decode_frame(AVCodecContext *avctx, void *data,
     uint32_t pixformat, pixdepth, bunit, bitorder, bpad;
     uint32_t rgb[3];
     uint8_t *ptr;
+    int width, height;
     GetByteContext gb;
 
     if (buf_size < XWD_HEADER_SIZE)
@@ -60,8 +61,8 @@ static int xwd_decode_frame(AVCodecContext *avctx, void *data,
 
     pixformat     = bytestream2_get_be32u(&gb);
     pixdepth      = bytestream2_get_be32u(&gb);
-    avctx->width  = bytestream2_get_be32u(&gb);
-    avctx->height = bytestream2_get_be32u(&gb);
+    width         = bytestream2_get_be32u(&gb);
+    height        = bytestream2_get_be32u(&gb);
     xoffset       = bytestream2_get_be32u(&gb);
     be            = bytestream2_get_be32u(&gb);
     bunit         = bytestream2_get_be32u(&gb);
@@ -77,6 +78,9 @@ static int xwd_decode_frame(AVCodecContext *avctx, void *data,
     ncolors       = bytestream2_get_be32u(&gb);
     bytestream2_skipu(&gb, header_size - (XWD_HEADER_SIZE - 20));
 
+    if ((ret = ff_set_dimensions(avctx, width, height)) < 0)
+        return ret;
+
     av_log(avctx, AV_LOG_DEBUG,
            "pixformat %"PRIu32", pixdepth %"PRIu32", bunit %"PRIu32", bitorder %"PRIu32", bpad %"PRIu32"\n",
            pixformat, pixdepth, bunit, bitorder, bpad);
@@ -227,7 +231,7 @@ static int xwd_decode_frame(AVCodecContext *avctx, void *data,
             blue   = bytestream2_get_byteu(&gb);
             bytestream2_skipu(&gb, 3); // skip bitmask flag and padding
 
-            dst[i] = red << 16 | green << 8 | blue;
+            dst[i] = 0xFFU << 24 | red << 16 | green << 8 | blue;
         }
     }