mjpeg: Add support for ICC side data

JPEGs store embedded profiles under the APP2 marker, signified
with a "ICC_PROFILE" null-terminated string header, and can be
split across multiple APP2 markers, out of order.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/libavcodec/mjpegdec.h b/libavcodec/mjpegdec.h
index 024cedcb5a..2bc69fa930 100644
--- a/libavcodec/mjpegdec.h
+++ b/libavcodec/mjpegdec.h
@@ -130,6 +130,11 @@ typedef struct MJpegDecodeContext {
     AVStereo3D *stereo3d; ///!< stereoscopic information (cached, since it is read before frame allocation)
 
     const AVPixFmtDescriptor *pix_desc;
+
+    uint8_t **iccdata;
+    int *iccdatalens;
+    int iccnum;
+    int iccread;
 } MJpegDecodeContext;
 
 int ff_mjpeg_decode_init(AVCodecContext *avctx);