rle_code can overflow when multiplied by 4

(fixes Animation-256Greys.mov from mphq) Originally committed as revision 2786 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago · e102fcf7f0
parent 50ee2c4131
commit e102fcf7f0
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@ -84,7 +84,7 @@ static void qtrle_decode_8bpp(QtrleContext *s)
    int header;
    int start_line;
    int lines_to_change;
-    signed char rle_code;
+    int rle_code;
    int row_ptr, pixel_ptr;
    int row_inc = s->frame.linesize[0];
    unsigned char pi1, pi2, pi3, pi4;  /* 4 palette indices */