Minor Patch for shared libs on Mac OSX by (Bill May <wmay at cisco dot com>)

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@3387 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/dsputil.c

@@ -31,8 +31,8 @@
 #include "simple_idct.h"
 #include "faandct.h"
 
-uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];
-uint32_t squareTbl[512];
+uint8_t cropTbl[256 + 2 * MAX_NEG_CROP] = {0, };
+uint32_t squareTbl[512] = {0, };
 
 const uint8_t ff_zigzag_direct[64] = {
     0,   1,  8, 16,  9,  2,  3, 10,
@@ -59,7 +59,7 @@ const uint8_t ff_zigzag248_direct[64] = {
 };
 
 /* not permutated inverse zigzag_direct + 1 for MMX quantizer */
-uint16_t __align8 inv_zigzag_direct16[64];
+uint16_t __align8 inv_zigzag_direct16[64] = {0, };
 
 const uint8_t ff_alternate_horizontal_scan[64] = {
     0,  1,   2,  3,  8,  9, 16, 17, 

libavcodec/utils.c

@@ -112,7 +112,7 @@ void av_freep(void *arg)
 }
 
 /* encoder management */
-AVCodec *first_avcodec;
+AVCodec *first_avcodec = NULL;
 
 void register_avcodec(AVCodec *format)
 {

libavformat/utils.c

@@ -21,9 +21,9 @@
 #undef NDEBUG
 #include <assert.h>
 
-AVInputFormat *first_iformat;
-AVOutputFormat *first_oformat;
-AVImageFormat *first_image_format;
+AVInputFormat *first_iformat = NULL;
+AVOutputFormat *first_oformat = NULL;
+AVImageFormat *first_image_format = NULL;
 
 void av_register_input_format(AVInputFormat *format)
 {