@@ -80,6 +80,10 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,

        (AV_RB32(buf + 8) == JP2_SIG_VALUE)) {

         dec = opj_create_decompress(CODEC_JP2);

     } else {

+        // If the AVPacket contains a jp2c box, then skip to

+        // the starting byte of the codestream.

+        if (AV_RB32(buf + 4) == AV_RB32("jp2c"))

+            buf += 8;

         dec = opj_create_decompress(CODEC_J2K);

     }