fix crash on private symbol when mmx disabled on libav 0.8 (3483629)

diff --git a/src/modules/avformat/filter_avdeinterlace.c b/src/modules/avformat/filter_avdeinterlace.c
index b75117453652b3e0427c7435b4452204f7773008..aa1327817b0f866d8744106b14e189d639c97cd7 100644 (file)
--- a/src/modules/avformat/filter_avdeinterlace.c
+++ b/src/modules/avformat/filter_avdeinterlace.c
@@ -31,7 +31,7 @@
 #include "mmx.h"
 #else
 #define MAX_NEG_CROP 1024
-extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP];
+static uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP] = {0,};
 #endif
 
 #ifdef USE_MMX
@@ -346,6 +346,17 @@ static mlt_frame deinterlace_process( mlt_filter filter, mlt_frame frame )
 
 mlt_filter filter_avdeinterlace_init( void *arg )
 {
+#ifndef USE_MMX
+       if ( ff_cropTbl[MAX_NEG_CROP + 1] == 0 )
+       {
+               int i;
+               for(i=0;i<256;i++) ff_cropTbl[i + MAX_NEG_CROP] = i;
+               for(i=0;i<MAX_NEG_CROP;i++) {
+                       ff_cropTbl[i] = 0;
+                       ff_cropTbl[i + MAX_NEG_CROP + 256] = 255;
+               }
+       }
+#endif
        mlt_filter filter = mlt_filter_new( );
        if ( filter != NULL )
                filter->process = deinterlace_process;