[FFmpeg-cvslog] r12789 - trunk/libavcodec/h264.h

[michael]

Author: michael
Date: Fri Apr 11 14:57:49 2008
New Revision: 12789

Log:
Crop parameters are unsigned, having them negative could be bad and lead
to crashes or maybe exploits (not checked at all if this is possible).


Modified:
   trunk/libavcodec/h264.h

Modified: trunk/libavcodec/h264.h
==============================================================================
--- trunk/libavcodec/h264.h	(original)
+++ trunk/libavcodec/h264.h	Fri Apr 11 14:57:49 2008
@@ -93,10 +93,10 @@ typedef struct SPS{
     int mb_aff;                        ///<mb_adaptive_frame_field_flag
     int direct_8x8_inference_flag;
     int crop;                   ///< frame_cropping_flag
-    int crop_left;              ///< frame_cropping_rect_left_offset
-    int crop_right;             ///< frame_cropping_rect_right_offset
-    int crop_top;               ///< frame_cropping_rect_top_offset
-    int crop_bottom;            ///< frame_cropping_rect_bottom_offset
+    unsigned int crop_left;            ///< frame_cropping_rect_left_offset
+    unsigned int crop_right;           ///< frame_cropping_rect_right_offset
+    unsigned int crop_top;             ///< frame_cropping_rect_top_offset
+    unsigned int crop_bottom;          ///< frame_cropping_rect_bottom_offset
     int vui_parameters_present_flag;
     AVRational sar;
     int timing_info_present_flag;