X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcavs.h;h=b2094d44e432fe47c5cfbfd240f92f7a4c8e35ab;hb=a27d6e714f850ead1505a805cacc5d6479b2de76;hp=71a0aba71f08f0c739e1a23b02c8277941b52a5e;hpb=218b3ae970ee79dbd1d35a479c7fc83effb543d5;p=ffmpeg

diff --git a/libavcodec/cavs.h b/libavcodec/cavs.h
index 71a0aba71f0..b2094d44e43 100644
--- a/libavcodec/cavs.h
+++ b/libavcodec/cavs.h
@@ -224,79 +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;
-
-static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
-                                        uint8_t **left, int block) {
-    int i;
-
-    switch(block) {
-    case 0:
-        *left = h->left_border_y;
-        h->left_border_y[0] = h->left_border_y[1];
-        memset(&h->left_border_y[17],h->left_border_y[16],9);
-        memcpy(&top[1],&h->top_border_y[h->mbx*16],16);
-        top[17] = top[16];
-        top[0] = top[1];
-        if((h->flags & A_AVAIL) && (h->flags & B_AVAIL))
-            h->left_border_y[0] = top[0] = h->topleft_border_y;
-        break;
-    case 1:
-        *left = h->intern_border_y;
-        for(i=0;i<8;i++)
-            h->intern_border_y[i+1] = *(h->cy + 7 + i*h->l_stride);
-        memset(&h->intern_border_y[9],h->intern_border_y[8],9);
-        h->intern_border_y[0] = h->intern_border_y[1];
-        memcpy(&top[1],&h->top_border_y[h->mbx*16+8],8);
-        if(h->flags & C_AVAIL)
-            memcpy(&top[9],&h->top_border_y[(h->mbx + 1)*16],8);
-        else
-            memset(&top[9],top[8],9);
-        top[17] = top[16];
-        top[0] = top[1];
-        if(h->flags & B_AVAIL)
-            h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx*16+7];
-        break;
-    case 2:
-        *left = &h->left_border_y[8];
-        memcpy(&top[1],h->cy + 7*h->l_stride,16);
-        top[17] = top[16];
-        top[0] = top[1];
-        if(h->flags & A_AVAIL)
-            top[0] = h->left_border_y[8];
-        break;
-    case 3:
-        *left = &h->intern_border_y[8];
-        for(i=0;i<8;i++)
-            h->intern_border_y[i+9] = *(h->cy + 7 + (i+8)*h->l_stride);
-        memset(&h->intern_border_y[17],h->intern_border_y[16],9);
-        memcpy(&top[0],h->cy + 7 + 7*h->l_stride,9);
-        memset(&top[9],top[8],9);
-        break;
-    }
-}
-
-static inline void load_intra_pred_chroma(AVSContext *h) {
-    /* extend borders by one pixel */
-    h->left_border_u[9] = h->left_border_u[8];
-    h->left_border_v[9] = h->left_border_v[8];
-    h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
-    h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
-    if(h->mbx && h->mby) {
-        h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
-        h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
-    } else {
-        h->left_border_u[0] = h->left_border_u[1];
-        h->left_border_v[0] = h->left_border_v[1];
-        h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
-        h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
-    }
-}
+extern const vector_t ff_cavs_dir_mv;
 
 static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
     *mode = mod_table[*mode];
@@ -306,26 +248,6 @@ static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
     }
 }
 
-static inline void modify_mb_i(AVSContext *h, int *pred_mode_uv) {
-    /* save pred modes before they get modified */
-    h->pred_mode_Y[3] =  h->pred_mode_Y[5];
-    h->pred_mode_Y[6] =  h->pred_mode_Y[8];
-    h->top_pred_Y[h->mbx*2+0] = h->pred_mode_Y[7];
-    h->top_pred_Y[h->mbx*2+1] = h->pred_mode_Y[8];
-
-    /* modify pred modes according to availability of neighbour samples */
-    if(!(h->flags & A_AVAIL)) {
-        modify_pred(ff_left_modifier_l, &h->pred_mode_Y[4] );
-        modify_pred(ff_left_modifier_l, &h->pred_mode_Y[7] );
-        modify_pred(ff_left_modifier_c, pred_mode_uv );
-    }
-    if(!(h->flags & B_AVAIL)) {
-        modify_pred(ff_top_modifier_l, &h->pred_mode_Y[4] );
-        modify_pred(ff_top_modifier_l, &h->pred_mode_Y[5] );
-        modify_pred(ff_top_modifier_c, pred_mode_uv );
-    }
-}
-
 static inline void set_intra_mode_default(AVSContext *h) {
     h->pred_mode_Y[3] =  h->pred_mode_Y[6] = INTRA_L_LP;
     h->top_pred_Y[h->mbx*2+0] = h->top_pred_Y[h->mbx*2+1] = INTRA_L_LP;
@@ -354,93 +276,6 @@ static inline void set_mv_intra(AVSContext *h) {
         *h->col_type = I_8X8;
 }
 
-
-/**
- * initialise predictors for motion vectors and intra prediction
- */
-static inline void init_mb(AVSContext *h) {
-    int i;
-
-    /* copy predictors from top line (MB B and C) into cache */
-    for(i=0;i<3;i++) {
-        h->mv[MV_FWD_B2+i] = h->top_mv[0][h->mbx*2+i];
-        h->mv[MV_BWD_B2+i] = h->top_mv[1][h->mbx*2+i];
-    }
-    h->pred_mode_Y[1] = h->top_pred_Y[h->mbx*2+0];
-    h->pred_mode_Y[2] = h->top_pred_Y[h->mbx*2+1];
-    /* clear top predictors if MB B is not available */
-    if(!(h->flags & B_AVAIL)) {
-        h->mv[MV_FWD_B2] = ff_cavs_un_mv;
-        h->mv[MV_FWD_B3] = ff_cavs_un_mv;
-        h->mv[MV_BWD_B2] = ff_cavs_un_mv;
-        h->mv[MV_BWD_B3] = ff_cavs_un_mv;
-        h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL;
-        h->flags &= ~(C_AVAIL|D_AVAIL);
-    } else if(h->mbx) {
-        h->flags |= D_AVAIL;
-    }
-    if(h->mbx == h->mb_width-1) //MB C not available
-        h->flags &= ~C_AVAIL;
-    /* clear top-right predictors if MB C is not available */
-    if(!(h->flags & C_AVAIL)) {
-        h->mv[MV_FWD_C2] = ff_cavs_un_mv;
-        h->mv[MV_BWD_C2] = ff_cavs_un_mv;
-    }
-    /* clear top-left predictors if MB D is not available */
-    if(!(h->flags & D_AVAIL)) {
-        h->mv[MV_FWD_D3] = ff_cavs_un_mv;
-        h->mv[MV_BWD_D3] = ff_cavs_un_mv;
-    }
-    /* set pointer for co-located macroblock type */
-    h->col_type = &h->col_type_base[h->mby*h->mb_width + h->mbx];
-}
-
-static inline void check_for_slice(AVSContext *h);
-
-/**
- * save predictors for later macroblocks and increase
- * macroblock address
- * @returns 0 if end of frame is reached, 1 otherwise
- */
-static inline int next_mb(AVSContext *h) {
-    int i;
-
-    h->flags |= A_AVAIL;
-    h->cy += 16;
-    h->cu += 8;
-    h->cv += 8;
-    /* copy mvs as predictors to the left */
-    for(i=0;i<=20;i+=4)
-        h->mv[i] = h->mv[i+2];
-    /* copy bottom mvs from cache to top line */
-    h->top_mv[0][h->mbx*2+0] = h->mv[MV_FWD_X2];
-    h->top_mv[0][h->mbx*2+1] = h->mv[MV_FWD_X3];
-    h->top_mv[1][h->mbx*2+0] = h->mv[MV_BWD_X2];
-    h->top_mv[1][h->mbx*2+1] = h->mv[MV_BWD_X3];
-    /* next MB address */
-    h->mbx++;
-    if(h->mbx == h->mb_width) { //new mb line
-        h->flags = B_AVAIL|C_AVAIL;
-        /* clear left pred_modes */
-        h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
-        /* clear left mv predictors */
-        for(i=0;i<=20;i+=4)
-            h->mv[i] = ff_cavs_un_mv;
-        h->mbx = 0;
-        h->mby++;
-        /* re-calculate sample pointers */
-        h->cy = h->picture.data[0] + h->mby*16*h->l_stride;
-        h->cu = h->picture.data[1] + h->mby*8*h->c_stride;
-        h->cv = h->picture.data[2] + h->mby*8*h->c_stride;
-        if(h->mby == h->mb_height) { //frame end
-            return 0;
-        } else {
-            //check_for_slice(h);
-        }
-    }
-    return 1;
-}
-
 static inline int dequant(AVSContext *h, DCTELEM *level_buf, uint8_t *run_buf,
                           DCTELEM *dst, int mul, int shift, int coeff_num) {
     int round = 1 << (shift - 1);
@@ -461,4 +296,19 @@ static inline int dequant(AVSContext *h, DCTELEM *level_buf, uint8_t *run_buf,
     return 0;
 }
 
+void ff_cavs_filter(AVSContext *h, enum mb_t mb_type);
+void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, uint8_t **left,
+                                  int block);
+void ff_cavs_load_intra_pred_chroma(AVSContext *h);
+void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv);
+void ff_cavs_inter(AVSContext *h, enum mb_t mb_type);
+void ff_cavs_mv(AVSContext *h, enum mv_loc_t nP, enum mv_loc_t nC,
+                enum mv_pred_t mode, enum block_t size, int ref);
+void ff_cavs_init_mb(AVSContext *h);
+int  ff_cavs_next_mb(AVSContext *h);
+void ff_cavs_init_pic(AVSContext *h);
+void ff_cavs_init_top_lines(AVSContext *h);
+int ff_cavs_init(AVCodecContext *avctx);
+int ff_cavs_end (AVCodecContext *avctx);
+
 #endif /* CAVS_H */