move ff_init_scantable() into dsputil

Originally committed as revision 12311 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/dsputil.c

@@ -152,6 +152,30 @@ static const uint8_t simple_mmx_permutation[64]={
         0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
 };
 
+void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
+    int i;
+    int end;
+
+    st->scantable= src_scantable;
+
+    for(i=0; i<64; i++){
+        int j;
+        j = src_scantable[i];
+        st->permutated[i] = permutation[j];
+#ifdef ARCH_POWERPC
+        st->inverse[j] = i;
+#endif
+    }
+
+    end=-1;
+    for(i=0; i<64; i++){
+        int j;
+        j = st->permutated[i];
+        if(j>end) end=j;
+        st->raster_end[i]= end;
+    }
+}
+
 static int pix_sum_c(uint8_t * pix, int line_size)
 {
     int s, i, j;

libavcodec/dsputil.h

@@ -153,6 +153,21 @@ typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align widt
 // for snow slices
 typedef struct slice_buffer_s slice_buffer;
 
+/**
+ * Scantable.
+ */
+typedef struct ScanTable{
+    const uint8_t *scantable;
+    uint8_t permutated[64];
+    uint8_t raster_end[64];
+#ifdef ARCH_POWERPC
+                /** Used by dct_quantize_altivec to find last-non-zero */
+    DECLARE_ALIGNED_8(uint8_t, inverse[64]);
+#endif
+} ScanTable;
+
+void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
+
 /**
  * DSPContext.
  */

libavcodec/mpegvideo.c

@@ -70,29 +70,6 @@ static const uint8_t ff_default_chroma_qscale_table[32]={
     0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
 };
 
-void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
-    int i;
-    int end;
-
-    st->scantable= src_scantable;
-
-    for(i=0; i<64; i++){
-        int j;
-        j = src_scantable[i];
-        st->permutated[i] = permutation[j];
-#ifdef ARCH_POWERPC
-        st->inverse[j] = i;
-#endif
-    }
-
-    end=-1;
-    for(i=0; i<64; i++){
-        int j;
-        j = st->permutated[i];
-        if(j>end) end=j;
-        st->raster_end[i]= end;
-    }
-}
 
 const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
     int i;

libavcodec/mpegvideo.h

@@ -86,19 +86,6 @@ enum OutputFormat {
 #define EXT_START_CODE          0x000001b5
 #define USER_START_CODE         0x000001b2
 
-/**
- * Scantable.
- */
-typedef struct ScanTable{
-    const uint8_t *scantable;
-    uint8_t permutated[64];
-    uint8_t raster_end[64];
-#ifdef ARCH_POWERPC
-                /** Used by dct_quantize_altivec to find last-non-zero */
-    DECLARE_ALIGNED_8(uint8_t, inverse[64]);
-#endif
-} ScanTable;
-
 /**
  * Picture.
  */
@@ -707,7 +694,6 @@ void MPV_common_init_armv4l(MpegEncContext *s);
 void MPV_common_init_altivec(MpegEncContext *s);
 extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
 void ff_clean_intra_table_entries(MpegEncContext *s);
-void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
 void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
                                     int src_x, int src_y, int w, int h);