quickdraw: Skip the empty 512 byte header for images
authorVittorio Giovara <vittorio.giovara@gmail.com>
Mon, 11 May 2015 19:11:04 +0000 (20:11 +0100)
committerVittorio Giovara <vittorio.giovara@gmail.com>
Tue, 12 May 2015 14:28:31 +0000 (15:28 +0100)
Found-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
libavcodec/qdrw.c

index f7a4377..477175c 100644 (file)
@@ -125,6 +125,10 @@ static int decode_frame(AVCodecContext *avctx,
 
     bytestream2_init(&gbc, avpkt->data, avpkt->size);
 
+    /* PICT images start with a 512 bytes empty header */
+    if (bytestream2_peek_be32(&gbc) == 0)
+        bytestream2_skip(&gbc, 512);
+
     /* smallest PICT header */
     if (bytestream2_get_bytes_left(&gbc) < 40) {
         av_log(avctx, AV_LOG_ERROR, "Frame is too small %d\n",