Flip red and blue in rct-less lossless jpeg.

Fixes issue1466, and decoding of plain lossless jpeg.

Originally committed as revision 20790 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index d23c67c..a1839ac 100644 (file)
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -674,9 +674,9 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int predictor, int point
             }
         }else{
             for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
-                ptr[4*mb_x+0] = buffer[mb_x][0];
+                ptr[4*mb_x+0] = buffer[mb_x][2];
                 ptr[4*mb_x+1] = buffer[mb_x][1];
-                ptr[4*mb_x+2] = buffer[mb_x][2];
+                ptr[4*mb_x+2] = buffer[mb_x][0];
             }
         }
     }