prepare splitting decoder-only parts into own file:

make commonly used tables global


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@9532 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/cavs.c

@@ -95,11 +95,11 @@ void ff_cavs_filter(AVSContext *h, enum mb_t mb_type) {
             *((uint64_t *)bs) = 0x0202020202020202ULL;
         else{
             *((uint64_t *)bs) = 0;
-            if(partition_flags[mb_type] & SPLITV){
+            if(ff_cavs_partition_flags[mb_type] & SPLITV){
                 bs[2] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X1], mb_type > P_8X8);
                 bs[3] = get_bs(&h->mv[MV_FWD_X2], &h->mv[MV_FWD_X3], mb_type > P_8X8);
             }
-            if(partition_flags[mb_type] & SPLITH){
+            if(ff_cavs_partition_flags[mb_type] & SPLITH){
                 bs[6] = get_bs(&h->mv[MV_FWD_X0], &h->mv[MV_FWD_X2], mb_type > P_8X8);
                 bs[7] = get_bs(&h->mv[MV_FWD_X1], &h->mv[MV_FWD_X3], mb_type > P_8X8);
             }
@@ -324,7 +324,7 @@ static inline void mc_part_std(AVSContext *h,int square,int chroma_height,int de
 }
 
 void ff_cavs_inter(AVSContext *h, enum mb_t mb_type) {
-    if(partition_flags[mb_type] == 0){ // 16x16
+    if(ff_cavs_partition_flags[mb_type] == 0){ // 16x16
         mc_part_std(h, 1, 8, 0, h->cy, h->cu, h->cv, 0, 0,
                 h->s.dsp.put_cavs_qpel_pixels_tab[0],
                 h->s.dsp.put_h264_chroma_pixels_tab[0],
@@ -524,8 +524,8 @@ static int decode_residual_block(AVSContext *h, GetBitContext *gb,
         level_buf[i] = level;
         run_buf[i] = run;
     }
-    if(dequant(h,level_buf, run_buf, block, dequant_mul[qp],
-               dequant_shift[qp], i))
+    if(dequant(h,level_buf, run_buf, block, ff_cavs_dequant_mul[qp],
+               ff_cavs_dequant_shift[qp], i))
         return -1;
     h->s.dsp.cavs_idct8_add(dst,block,stride);
     return 0;
@@ -534,11 +534,11 @@ static int decode_residual_block(AVSContext *h, GetBitContext *gb,
 
 static inline void decode_residual_chroma(AVSContext *h) {
     if(h->cbp & (1<<4))
-        decode_residual_block(h,&h->s.gb,chroma_dec,0, chroma_qp[h->qp],
-                              h->cu,h->c_stride);
+        decode_residual_block(h,&h->s.gb,ff_cavs_chroma_dec,0,
+                              ff_cavs_chroma_qp[h->qp],h->cu,h->c_stride);
     if(h->cbp & (1<<5))
-        decode_residual_block(h,&h->s.gb,chroma_dec,0, chroma_qp[h->qp],
-                              h->cv,h->c_stride);
+        decode_residual_block(h,&h->s.gb,ff_cavs_chroma_dec,0,
+                              ff_cavs_chroma_qp[h->qp],h->cv,h->c_stride);
 }
 
 static inline int decode_residual_inter(AVSContext *h) {
@@ -557,7 +557,7 @@ static inline int decode_residual_inter(AVSContext *h) {
         h->qp = (h->qp + get_se_golomb(&h->s.gb)) & 63;
     for(block=0;block<4;block++)
         if(h->cbp & (1<<block))
-            decode_residual_block(h,&h->s.gb,inter_dec,0,h->qp,
+            decode_residual_block(h,&h->s.gb,ff_cavs_inter_dec,0,h->qp,
                                   h->cy + h->luma_scan[block], h->l_stride);
     decode_residual_chroma(h);
 
@@ -582,7 +582,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
     /* get intra prediction modes from stream */
     for(block=0;block<4;block++) {
         int nA,nB,predpred;
-        int pos = scan3x3[block];
+        int pos = ff_cavs_scan3x3[block];
 
         nA = h->pred_mode_Y[pos-1];
         nB = h->pred_mode_Y[pos-3];
@@ -617,10 +617,10 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
     for(block=0;block<4;block++) {
         d = h->cy + h->luma_scan[block];
         load_intra_pred_luma(h, top, &left, block);
-        h->intra_pred_l[h->pred_mode_Y[scan3x3[block]]]
+        h->intra_pred_l[h->pred_mode_Y[ff_cavs_scan3x3[block]]]
             (d, top, left, h->l_stride);
         if(h->cbp & (1<<block))
-            decode_residual_block(h,gb,intra_dec,1,h->qp,d,h->l_stride);
+            decode_residual_block(h,gb,ff_cavs_intra_dec,1,h->qp,d,h->l_stride);
     }
 
     /* chroma intra prediction */
@@ -752,7 +752,7 @@ static void decode_mb_b(AVSContext *h, enum mb_t mb_type) {
         break;
     default:
         assert((mb_type > B_SYM_16X16) && (mb_type < B_8X8));
-        flags = partition_flags[mb_type];
+        flags = ff_cavs_partition_flags[mb_type];
         if(mb_type & 1) { /* 16x8 macroblock types */
             if(flags & FWD0)
                 ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_TOP,  BLK_16X8, 1);

libavcodec/cavs.h

@@ -224,12 +224,21 @@ typedef struct {
     DCTELEM *block;
 } AVSContext;
 
+extern const uint8_t     ff_cavs_dequant_shift[64];
+extern const uint16_t    ff_cavs_dequant_mul[64];
+extern const dec_2dvlc_t ff_cavs_intra_dec[7];
+extern const dec_2dvlc_t ff_cavs_inter_dec[7];
+extern const dec_2dvlc_t ff_cavs_chroma_dec[5];
+extern const uint8_t     ff_cavs_chroma_qp[64];
+extern const uint8_t     ff_cavs_scan3x3[4];
+extern const uint8_t     ff_cavs_partition_flags[30];
 extern const int_fast8_t ff_left_modifier_l[8];
 extern const int_fast8_t ff_top_modifier_l[8];
 extern const int_fast8_t ff_left_modifier_c[7];
 extern const int_fast8_t ff_top_modifier_c[7];
 extern const vector_t ff_cavs_intra_mv;
 extern const vector_t ff_cavs_un_mv;
+extern const vector_t ff_cavs_dir_mv;
 
 static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
                                         uint8_t **left, int block) {

libavcodec/cavsdata.h

@@ -24,7 +24,7 @@
 
 #include "cavs.h"
 
-static const uint8_t partition_flags[30] = {
+const uint8_t ff_cavs_partition_flags[30] = {
   0,                                 //I_8X8
   0,                                 //P_SKIP
   0,                                 //P_16X16
@@ -57,7 +57,7 @@ static const uint8_t partition_flags[30] = {
                       SPLITH|SPLITV, //B_8X8 = 29
 };
 
-static const uint8_t scan3x3[4] = {4,5,7,8};
+const uint8_t ff_cavs_scan3x3[4] = {4,5,7,8};
 
 static const uint8_t mv_scan[4] = {
     MV_FWD_X0,MV_FWD_X1,
@@ -75,14 +75,14 @@ static const uint8_t cbp_tab[64][2] = {
   {34,50},{50,56},{52,25},{54,22},{41,54},{56,57},{38,41},{57,38}
 };
 
-static const uint8_t chroma_qp[64] = {
+const uint8_t ff_cavs_chroma_qp[64] = {
   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,
   32,33,34,35,36,37,38,39,40,41,42,42,43,43,44,44,
   45,45,46,46,47,47,48,48,48,49,49,49,50,50,50,51
 };
 
-static const uint8_t dequant_shift[64] = {
+const uint8_t ff_cavs_dequant_shift[64] = {
   14,14,14,14,14,14,14,14,
   13,13,13,13,13,13,13,13,
   13,12,12,12,12,12,12,12,
@@ -93,7 +93,7 @@ static const uint8_t dequant_shift[64] = {
   7, 7, 7, 7, 7, 7, 7, 7
 };
 
-static const uint16_t dequant_mul[64] = {
+const uint16_t ff_cavs_dequant_mul[64] = {
   32768,36061,38968,42495,46341,50535,55437,60424,
   32932,35734,38968,42495,46177,50535,55109,59933,
   65535,35734,38968,42577,46341,50617,55027,60097,
@@ -117,7 +117,7 @@ const vector_t ff_cavs_intra_mv = {0,0,1,REF_INTRA};
 
 #define EOB 0,0,0
 
-static const dec_2dvlc_t intra_dec[7] = {
+const dec_2dvlc_t ff_cavs_intra_dec[7] = {
   {
     { //level / run / table_inc
       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
@@ -254,7 +254,7 @@ static const dec_2dvlc_t intra_dec[7] = {
   }
 };
 
-static const dec_2dvlc_t inter_dec[7] = {
+const dec_2dvlc_t ff_cavs_inter_dec[7] = {
   {
     { //level / run
       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
@@ -391,7 +391,7 @@ static const dec_2dvlc_t inter_dec[7] = {
   }
 };
 
-static const dec_2dvlc_t chroma_dec[5] = {
+const dec_2dvlc_t ff_cavs_chroma_dec[5] = {
   {
     { //level / run
       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},