fixed static init

Originally committed as revision 1799 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/dsputil.c

@@ -2489,12 +2489,11 @@ static void ff_jref_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
     add_pixels_clamped_c(block, dest, line_size);
 }
 
-void dsputil_init(DSPContext* c, AVCodecContext *avctx)
+/* init static data */
+void dsputil_static_init(void)
 {
-    static int init_done = 0;
     int i;
 
-    if (!init_done) {
     for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
     for(i=0;i<MAX_NEG_CROP;i++) {
         cropTbl[i] = 0;
@@ -2506,9 +2505,12 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
     }
     
     for(i=0; i<64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1;
+}
 
-	init_done = 1;
-    }
+
+void dsputil_init(DSPContext* c, AVCodecContext *avctx)
+{
+    int i;
 
 #ifdef CONFIG_ENCODERS
     if(avctx->dct_algo==FF_DCT_FASTINT)

libavcodec/dsputil.h

@@ -245,6 +245,7 @@ typedef struct DSPContext {
 
 } DSPContext;
 
+void dsputil_static_init(void);
 void dsputil_init(DSPContext* p, AVCodecContext *avctx);
 
 /**

libavcodec/utils.c

@@ -555,7 +555,7 @@ void avcodec_init(void)
 	return;
     inited = 1;
 
-    //dsputil_init();
+    dsputil_static_init();
 }
 
 /* this can be called after seeking and before trying to decode the next keyframe */