Rename DCtab_*, its a global variable and it helps understanding if mpeg4

is in its name.

Originally committed as revision 21096 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mpeg4data.h

@@ -32,13 +32,13 @@
 #include "mpegvideo.h"
 
 /* dc encoding for mpeg4 */
-const uint8_t DCtab_lum[13][2] =
+const uint8_t ff_mpeg4_DCtab_lum[13][2] =
 {
     {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
     {1,8}, {1,9}, {1,10}, {1,11},
 };
 
-const uint8_t DCtab_chrom[13][2] =
+const uint8_t ff_mpeg4_DCtab_chrom[13][2] =
 {
     {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
     {1,9}, {1,10}, {1,11}, {1,12},

libavcodec/mpeg4video.h

@@ -54,8 +54,8 @@
 #define VOP_STARTCODE        0x1B6
 
 /* dc encoding for mpeg4 */
-extern const uint8_t DCtab_lum[13][2];
-extern const uint8_t DCtab_chrom[13][2];
+extern const uint8_t ff_mpeg4_DCtab_lum[13][2];
+extern const uint8_t ff_mpeg4_DCtab_chrom[13][2];
 
 extern const uint16_t intra_vlc[103][2];
 extern const int8_t intra_level[102];

libavcodec/mpeg4videodec.c

@@ -2207,11 +2207,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
         INIT_VLC_RL(rvlc_rl_inter, 1072);
         INIT_VLC_RL(rvlc_rl_intra, 1072);
         INIT_VLC_STATIC(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
-                 &DCtab_lum[0][1], 2, 1,
-                 &DCtab_lum[0][0], 2, 1, 512);
+                 &ff_mpeg4_DCtab_lum[0][1], 2, 1,
+                 &ff_mpeg4_DCtab_lum[0][0], 2, 1, 512);
         INIT_VLC_STATIC(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
-                 &DCtab_chrom[0][1], 2, 1,
-                 &DCtab_chrom[0][0], 2, 1, 512);
+                 &ff_mpeg4_DCtab_chrom[0][1], 2, 1,
+                 &ff_mpeg4_DCtab_chrom[0][0], 2, 1, 512);
         INIT_VLC_STATIC(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
                  &sprite_trajectory_tab[0][1], 4, 2,
                  &sprite_trajectory_tab[0][0], 4, 2, 128);

libavcodec/mpeg4videoenc.c

@@ -263,10 +263,10 @@ static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
 
     if (n < 4) {
         /* luminance */
-        put_bits(&s->pb, DCtab_lum[size][1], DCtab_lum[size][0]);
+        put_bits(&s->pb, ff_mpeg4_DCtab_lum[size][1], ff_mpeg4_DCtab_lum[size][0]);
     } else {
         /* chrominance */
-        put_bits(&s->pb, DCtab_chrom[size][1], DCtab_chrom[size][0]);
+        put_bits(&s->pb, ff_mpeg4_DCtab_chrom[size][1], ff_mpeg4_DCtab_chrom[size][0]);
     }
 
     /* encode remaining bits */
@@ -1125,8 +1125,8 @@ static void init_uni_dc_tab(void)
             l= level;
 
         /* luminance */
-        uni_code= DCtab_lum[size][0];
-        uni_len = DCtab_lum[size][1];
+        uni_code= ff_mpeg4_DCtab_lum[size][0];
+        uni_len = ff_mpeg4_DCtab_lum[size][1];
 
         if (size > 0) {
             uni_code<<=size; uni_code|=l;
@@ -1140,8 +1140,8 @@ static void init_uni_dc_tab(void)
         uni_DCtab_lum_len [level+256]= uni_len;
 
         /* chrominance */
-        uni_code= DCtab_chrom[size][0];
-        uni_len = DCtab_chrom[size][1];
+        uni_code= ff_mpeg4_DCtab_chrom[size][0];
+        uni_len = ff_mpeg4_DCtab_chrom[size][1];
 
         if (size > 0) {
             uni_code<<=size; uni_code|=l;

libavcodec/msmpeg4.c

@@ -98,8 +98,8 @@ static av_cold void init_h263_dc_for_msmpeg4(void)
                 l= level;
 
             /* luminance h263 */
-            uni_code= DCtab_lum[size][0];
-            uni_len = DCtab_lum[size][1];
+            uni_code= ff_mpeg4_DCtab_lum[size][0];
+            uni_len = ff_mpeg4_DCtab_lum[size][1];
             uni_code ^= (1<<uni_len)-1; //M$ does not like compatibility
 
             if (size > 0) {
@@ -114,8 +114,8 @@ static av_cold void init_h263_dc_for_msmpeg4(void)
             v2_dc_lum_table[level+256][1]= uni_len;
 
             /* chrominance h263 */
-            uni_code= DCtab_chrom[size][0];
-            uni_len = DCtab_chrom[size][1];
+            uni_code= ff_mpeg4_DCtab_chrom[size][0];
+            uni_len = ff_mpeg4_DCtab_chrom[size][1];
             uni_code ^= (1<<uni_len)-1; //M$ does not like compatibility
 
             if (size > 0) {