doxygen/3.3/libavcodec_2h264pred_8c_source.html

 /*

  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder

  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>

  *

  * This file is part of FFmpeg.

  *

  * FFmpeg is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public

  * License as published by the Free Software Foundation; either

  * version 2.1 of the License, or (at your option) any later version.

  *

  * FFmpeg is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  * Lesser General Public License for more details.

  *

  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  */


 /**

  * @file

  * H.264 / AVC / MPEG-4 part10 prediction functions.

  * @author Michael Niedermayer <michaelni@gmx.at>

  */


 #include "libavutil/attributes.h"

 #include "libavutil/avassert.h"

 #include "libavutil/intreadwrite.h"

 #include "avcodec.h"

 #include "h264pred.h"


 #define BIT_DEPTH 8

 #include "h264pred_template.c"

 #undef BIT_DEPTH


 #define BIT_DEPTH 9

 #include "h264pred_template.c"

 #undef BIT_DEPTH


 #define BIT_DEPTH 10

 #include "h264pred_template.c"

 #undef BIT_DEPTH


 #define BIT_DEPTH 12

 #include "h264pred_template.c"

 #undef BIT_DEPTH


 #define BIT_DEPTH 14

 #include "h264pred_template.c"

 #undef BIT_DEPTH


 static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright,

                                    ptrdiff_t stride)

 {

     const unsigned lt = src[-1-1*stride];

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE

     uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,

                           (t0 + 2*t1 + t2 + 2) >> 2,

                           (t1 + 2*t2 + t3 + 2) >> 2,

                           (t2 + 2*t3 + t4 + 2) >> 2);


     AV_WN32A(src+0*stride, v);

     AV_WN32A(src+1*stride, v);

     AV_WN32A(src+2*stride, v);

     AV_WN32A(src+3*stride, v);

 }


 static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright,

                                      ptrdiff_t stride)

 {

     const unsigned lt = src[-1-1*stride];

     LOAD_LEFT_EDGE


     AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);

     AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);

     AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);

     AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);

 }


 static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright,

                                      ptrdiff_t stride)

 {

     LOAD_TOP_EDGE

     LOAD_LEFT_EDGE


     src[0+0*stride]=(l1 + t1)>>1;

     src[1+0*stride]=

     src[0+1*stride]=(l2 + t2)>>1;

     src[2+0*stride]=

     src[1+1*stride]=

     src[0+2*stride]=

     src[3+0*stride]=

     src[2+1*stride]=

     src[1+2*stride]=

     src[0+3*stride]=

     src[3+1*stride]=

     src[2+2*stride]=

     src[1+3*stride]=

     src[3+2*stride]=

     src[2+3*stride]=

     src[3+3*stride]=(l3 + t3)>>1;

 }


 static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright,

                                      ptrdiff_t stride)

 {

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE

     LOAD_LEFT_EDGE

     LOAD_DOWN_LEFT_EDGE


     src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;

     src[1+0*stride]=

     src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;

     src[2+0*stride]=

     src[1+1*stride]=

     src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;

     src[3+0*stride]=

     src[2+1*stride]=

     src[1+2*stride]=

     src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;

     src[3+1*stride]=

     src[2+2*stride]=

     src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;

     src[3+2*stride]=

     src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;

     src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;

 }


 static void pred4x4_down_left_rv40_nodown_c(uint8_t *src,

                                             const uint8_t *topright,

                                             ptrdiff_t stride)

 {

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE

     LOAD_LEFT_EDGE


     src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;

     src[1+0*stride]=

     src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;

     src[2+0*stride]=

     src[1+1*stride]=

     src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;

     src[3+0*stride]=

     src[2+1*stride]=

     src[1+2*stride]=

     src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;

     src[3+1*stride]=

     src[2+2*stride]=

     src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;

     src[3+2*stride]=

     src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;

     src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;

 }


 static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright,

                                        ptrdiff_t stride,

                                        const int l0, const int l1, const int l2,

                                        const int l3, const int l4)

 {

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE


     src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3;

     src[1+0*stride]=

     src[0+2*stride]=(t1 + t2 + 1)>>1;

     src[2+0*stride]=

     src[1+2*stride]=(t2 + t3 + 1)>>1;

     src[3+0*stride]=

     src[2+2*stride]=(t3 + t4+ 1)>>1;

     src[3+2*stride]=(t4 + t5+ 1)>>1;

     src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3;

     src[1+1*stride]=

     src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;

     src[2+1*stride]=

     src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;

     src[3+1*stride]=

     src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;

     src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;

 }


 static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright,

                                          ptrdiff_t stride)

 {

     LOAD_LEFT_EDGE

     LOAD_DOWN_LEFT_EDGE


     pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);

 }


 static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src,

                                                 const uint8_t *topright,

                                                 ptrdiff_t stride)

 {

     LOAD_LEFT_EDGE


     pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);

 }


 static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright,

                                         ptrdiff_t stride)

 {

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE


     src[0+0*stride]=(t0 + t1 + 1)>>1;

     src[1+0*stride]=

     src[0+2*stride]=(t1 + t2 + 1)>>1;

     src[2+0*stride]=

     src[1+2*stride]=(t2 + t3 + 1)>>1;

     src[3+0*stride]=

     src[2+2*stride]=(t3 + t4 + 1)>>1;

     src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;

     src[1+1*stride]=

     src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;

     src[2+1*stride]=

     src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;

     src[3+1*stride]=

     src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;

     src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;

     src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;

 }


 static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright,

                                          ptrdiff_t stride)

 {

     LOAD_LEFT_EDGE

     LOAD_DOWN_LEFT_EDGE

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE


     src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;

     src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;

     src[2+0*stride]=

     src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;

     src[3+0*stride]=

     src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;

     src[2+1*stride]=

     src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;

     src[3+1*stride]=

     src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;

     src[3+2*stride]=

     src[1+3*stride]=(l3 + 2*l4 + l5 + 2)>>2;

     src[0+3*stride]=

     src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2;

     src[2+3*stride]=(l4 + l5 + 1)>>1;

     src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;

 }


 static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src,

                                                 const uint8_t *topright,

                                                 ptrdiff_t stride)

 {

     LOAD_LEFT_EDGE

     LOAD_TOP_EDGE

     LOAD_TOP_RIGHT_EDGE


     src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;

     src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;

     src[2+0*stride]=

     src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;

     src[3+0*stride]=

     src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;

     src[2+1*stride]=

     src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;

     src[3+1*stride]=

     src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;

     src[3+2*stride]=

     src[1+3*stride]=l3;

     src[0+3*stride]=

     src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2;

     src[2+3*stride]=

     src[3+3*stride]=l3;

 }


 static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright,

                              ptrdiff_t stride)

 {

     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];

     uint8_t *top = src-stride;

     int y;


     for (y = 0; y < 4; y++) {

         const uint8_t *cm_in = cm + src[-1];

         src[0] = cm_in[top[0]];

         src[1] = cm_in[top[1]];

         src[2] = cm_in[top[2]];

         src[3] = cm_in[top[3]];

         src += stride;

     }

 }


 static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)

 {

     pred16x16_plane_compat_8_c(src, stride, 1, 0);

 }


 static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)

 {

     pred16x16_plane_compat_8_c(src, stride, 0, 1);

 }


 static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)

 {

     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];

     uint8_t *top = src-stride;

     int y;


     for (y = 0; y < 16; y++) {

         const uint8_t *cm_in = cm + src[-1];

         src[0]  = cm_in[top[0]];

         src[1]  = cm_in[top[1]];

         src[2]  = cm_in[top[2]];

         src[3]  = cm_in[top[3]];

         src[4]  = cm_in[top[4]];

         src[5]  = cm_in[top[5]];

         src[6]  = cm_in[top[6]];

         src[7]  = cm_in[top[7]];

         src[8]  = cm_in[top[8]];

         src[9]  = cm_in[top[9]];

         src[10] = cm_in[top[10]];

         src[11] = cm_in[top[11]];

         src[12] = cm_in[top[12]];

         src[13] = cm_in[top[13]];

         src[14] = cm_in[top[14]];

         src[15] = cm_in[top[15]];

         src += stride;

     }

 }


 static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)

 {

     int i;

     unsigned dc0;


     dc0=0;

     for(i=0;i<8; i++)

         dc0+= src[-1+i*stride];

     dc0= 0x01010101*((dc0 + 4)>>3);


     for(i=0; i<8; i++){

         ((uint32_t*)(src+i*stride))[0]=

         ((uint32_t*)(src+i*stride))[1]= dc0;

     }

 }


 static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)

 {

     int i;

     unsigned dc0;


     dc0=0;

     for(i=0;i<8; i++)

         dc0+= src[i-stride];

     dc0= 0x01010101*((dc0 + 4)>>3);


     for(i=0; i<8; i++){

         ((uint32_t*)(src+i*stride))[0]=

         ((uint32_t*)(src+i*stride))[1]= dc0;

     }

 }


 static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)

 {

     int i;

     unsigned dc0 = 0;


     for(i=0;i<4; i++){

         dc0+= src[-1+i*stride] + src[i-stride];

         dc0+= src[4+i-stride];

         dc0+= src[-1+(i+4)*stride];

     }

     dc0= 0x01010101*((dc0 + 8)>>4);


     for(i=0; i<4; i++){

         ((uint32_t*)(src+i*stride))[0]= dc0;

         ((uint32_t*)(src+i*stride))[1]= dc0;

     }

     for(i=4; i<8; i++){

         ((uint32_t*)(src+i*stride))[0]= dc0;

         ((uint32_t*)(src+i*stride))[1]= dc0;

     }

 }


 static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)

 {

     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];

     uint8_t *top = src-stride;

     int y;


     for (y = 0; y < 8; y++) {

         const uint8_t *cm_in = cm + src[-1];

         src[0] = cm_in[top[0]];

         src[1] = cm_in[top[1]];

         src[2] = cm_in[top[2]];

         src[3] = cm_in[top[3]];

         src[4] = cm_in[top[4]];

         src[5] = cm_in[top[5]];

         src[6] = cm_in[top[6]];

         src[7] = cm_in[top[7]];

         src += stride;

     }

 }


 /**

  * Set the intra prediction function pointers.

  */

 av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id,

                                const int bit_depth,

                                int chroma_format_idc)

 {

 #undef FUNC

 #undef FUNCC

 #define FUNC(a, depth) a ## _ ## depth

 #define FUNCC(a, depth) a ## _ ## depth ## _c

 #define FUNCD(a) a ## _c


 #define H264_PRED(depth) \

     if(codec_id != AV_CODEC_ID_RV40){\

         if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\

             h->pred4x4[VERT_PRED       ]= FUNCD(pred4x4_vertical_vp8);\

             h->pred4x4[HOR_PRED        ]= FUNCD(pred4x4_horizontal_vp8);\

         } else {\

             h->pred4x4[VERT_PRED       ]= FUNCC(pred4x4_vertical          , depth);\

             h->pred4x4[HOR_PRED        ]= FUNCC(pred4x4_horizontal        , depth);\

         }\

         h->pred4x4[DC_PRED             ]= FUNCC(pred4x4_dc                , depth);\

         if(codec_id == AV_CODEC_ID_SVQ3)\

             h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_svq3);\

         else\

             h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left     , depth);\

         h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right        , depth);\

         h->pred4x4[VERT_RIGHT_PRED     ]= FUNCC(pred4x4_vertical_right    , depth);\

         h->pred4x4[HOR_DOWN_PRED       ]= FUNCC(pred4x4_horizontal_down   , depth);\

         if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\

             h->pred4x4[VERT_LEFT_PRED  ]= FUNCD(pred4x4_vertical_left_vp8);\

         } else\

             h->pred4x4[VERT_LEFT_PRED  ]= FUNCC(pred4x4_vertical_left     , depth);\

         h->pred4x4[HOR_UP_PRED         ]= FUNCC(pred4x4_horizontal_up     , depth);\

         if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\

             h->pred4x4[LEFT_DC_PRED    ]= FUNCC(pred4x4_left_dc           , depth);\

             h->pred4x4[TOP_DC_PRED     ]= FUNCC(pred4x4_top_dc            , depth);\

         } else {\

             h->pred4x4[TM_VP8_PRED     ]= FUNCD(pred4x4_tm_vp8);\

             h->pred4x4[DC_127_PRED     ]= FUNCC(pred4x4_127_dc            , depth);\

             h->pred4x4[DC_129_PRED     ]= FUNCC(pred4x4_129_dc            , depth);\

             h->pred4x4[VERT_VP8_PRED   ]= FUNCC(pred4x4_vertical          , depth);\

             h->pred4x4[HOR_VP8_PRED    ]= FUNCC(pred4x4_horizontal        , depth);\

         }\

         if (codec_id != AV_CODEC_ID_VP8)\

             h->pred4x4[DC_128_PRED     ]= FUNCC(pred4x4_128_dc            , depth);\

     }else{\

         h->pred4x4[VERT_PRED           ]= FUNCC(pred4x4_vertical          , depth);\

         h->pred4x4[HOR_PRED            ]= FUNCC(pred4x4_horizontal        , depth);\

         h->pred4x4[DC_PRED             ]= FUNCC(pred4x4_dc                , depth);\

         h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_rv40);\

         h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right        , depth);\

         h->pred4x4[VERT_RIGHT_PRED     ]= FUNCC(pred4x4_vertical_right    , depth);\

         h->pred4x4[HOR_DOWN_PRED       ]= FUNCC(pred4x4_horizontal_down   , depth);\

         h->pred4x4[VERT_LEFT_PRED      ]= FUNCD(pred4x4_vertical_left_rv40);\

         h->pred4x4[HOR_UP_PRED         ]= FUNCD(pred4x4_horizontal_up_rv40);\

         h->pred4x4[LEFT_DC_PRED        ]= FUNCC(pred4x4_left_dc           , depth);\

         h->pred4x4[TOP_DC_PRED         ]= FUNCC(pred4x4_top_dc            , depth);\

         h->pred4x4[DC_128_PRED         ]= FUNCC(pred4x4_128_dc            , depth);\

         h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_down_left_rv40_nodown);\

         h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= FUNCD(pred4x4_horizontal_up_rv40_nodown);\

         h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_vertical_left_rv40_nodown);\

     }\

 \

     h->pred8x8l[VERT_PRED           ]= FUNCC(pred8x8l_vertical            , depth);\

     h->pred8x8l[HOR_PRED            ]= FUNCC(pred8x8l_horizontal          , depth);\

     h->pred8x8l[DC_PRED             ]= FUNCC(pred8x8l_dc                  , depth);\

     h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left           , depth);\

     h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right          , depth);\

     h->pred8x8l[VERT_RIGHT_PRED     ]= FUNCC(pred8x8l_vertical_right      , depth);\

     h->pred8x8l[HOR_DOWN_PRED       ]= FUNCC(pred8x8l_horizontal_down     , depth);\

     h->pred8x8l[VERT_LEFT_PRED      ]= FUNCC(pred8x8l_vertical_left       , depth);\

     h->pred8x8l[HOR_UP_PRED         ]= FUNCC(pred8x8l_horizontal_up       , depth);\

     h->pred8x8l[LEFT_DC_PRED        ]= FUNCC(pred8x8l_left_dc             , depth);\

     h->pred8x8l[TOP_DC_PRED         ]= FUNCC(pred8x8l_top_dc              , depth);\

     h->pred8x8l[DC_128_PRED         ]= FUNCC(pred8x8l_128_dc              , depth);\

 \

     if (chroma_format_idc <= 1) {\

         h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x8_vertical               , depth);\

         h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x8_horizontal             , depth);\

     } else {\

         h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x16_vertical              , depth);\

         h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x16_horizontal            , depth);\

     }\

     if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\

         if (chroma_format_idc <= 1) {\

             h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_plane                , depth);\

         } else {\

             h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x16_plane               , depth);\

         }\

     } else\

         h->pred8x8[PLANE_PRED8x8]= FUNCD(pred8x8_tm_vp8);\

     if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && \

         codec_id != AV_CODEC_ID_VP8) {\

         if (chroma_format_idc <= 1) {\

             h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x8_dc                     , depth);\

             h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc                , depth);\

             h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc                 , depth);\

             h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\

             h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\

             h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\

             h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\

         } else {\

             h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x16_dc                    , depth);\

             h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x16_left_dc               , depth);\

             h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x16_top_dc                , depth);\

             h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l0t, depth);\

             h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0lt, depth);\

             h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l00, depth);\

             h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0l0, depth);\

         }\

     }else{\

         h->pred8x8[DC_PRED8x8     ]= FUNCD(pred8x8_dc_rv40);\

         h->pred8x8[LEFT_DC_PRED8x8]= FUNCD(pred8x8_left_dc_rv40);\

         h->pred8x8[TOP_DC_PRED8x8 ]= FUNCD(pred8x8_top_dc_rv40);\

         if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\

             h->pred8x8[DC_127_PRED8x8]= FUNCC(pred8x8_127_dc              , depth);\

             h->pred8x8[DC_129_PRED8x8]= FUNCC(pred8x8_129_dc              , depth);\

         }\

     }\

     if (chroma_format_idc <= 1) {\

         h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc                 , depth);\

     } else {\

         h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x16_128_dc                , depth);\

     }\

 \

     h->pred16x16[DC_PRED8x8     ]= FUNCC(pred16x16_dc                     , depth);\

     h->pred16x16[VERT_PRED8x8   ]= FUNCC(pred16x16_vertical               , depth);\

     h->pred16x16[HOR_PRED8x8    ]= FUNCC(pred16x16_horizontal             , depth);\

     switch(codec_id){\

     case AV_CODEC_ID_SVQ3:\

        h->pred16x16[PLANE_PRED8x8  ]= FUNCD(pred16x16_plane_svq3);\

        break;\

     case AV_CODEC_ID_RV40:\

        h->pred16x16[PLANE_PRED8x8  ]= FUNCD(pred16x16_plane_rv40);\

        break;\

     case AV_CODEC_ID_VP7:\

     case AV_CODEC_ID_VP8:\

        h->pred16x16[PLANE_PRED8x8  ]= FUNCD(pred16x16_tm_vp8);\

        h->pred16x16[DC_127_PRED8x8]= FUNCC(pred16x16_127_dc               , depth);\

        h->pred16x16[DC_129_PRED8x8]= FUNCC(pred16x16_129_dc               , depth);\

        break;\

     default:\

        h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane               , depth);\

        break;\

     }\

     h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc                , depth);\

     h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc                 , depth);\

     h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc                 , depth);\

 \

     /* special lossless h/v prediction for H.264 */ \

     h->pred4x4_add  [VERT_PRED   ]= FUNCC(pred4x4_vertical_add            , depth);\

     h->pred4x4_add  [ HOR_PRED   ]= FUNCC(pred4x4_horizontal_add          , depth);\

     h->pred8x8l_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_add           , depth);\

     h->pred8x8l_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_add         , depth);\

     h->pred8x8l_filter_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_filter_add           , depth);\

     h->pred8x8l_filter_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_filter_add         , depth);\

     if (chroma_format_idc <= 1) {\

     h->pred8x8_add  [VERT_PRED8x8]= FUNCC(pred8x8_vertical_add            , depth);\

     h->pred8x8_add  [ HOR_PRED8x8]= FUNCC(pred8x8_horizontal_add          , depth);\

     } else {\

         h->pred8x8_add  [VERT_PRED8x8]= FUNCC(pred8x16_vertical_add            , depth);\

         h->pred8x8_add  [ HOR_PRED8x8]= FUNCC(pred8x16_horizontal_add          , depth);\

     }\

     h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add          , depth);\

     h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add        , depth);\


     switch (bit_depth) {

         case 9:

             H264_PRED(9)

             break;

         case 10:

             H264_PRED(10)

             break;

         case 12:

             H264_PRED(12)

             break;

         case 14:

             H264_PRED(14)

             break;

         default:

             av_assert0(bit_depth<=8);

             H264_PRED(8)

             break;

     }


     if (ARCH_AARCH64)

         ff_h264_pred_init_aarch64(h, codec_id, bit_depth, chroma_format_idc);

     if (ARCH_ARM)

         ff_h264_pred_init_arm(h, codec_id, bit_depth, chroma_format_idc);

     if (ARCH_X86)

         ff_h264_pred_init_x86(h, codec_id, bit_depth, chroma_format_idc);

     if (ARCH_MIPS)

         ff_h264_pred_init_mips(h, codec_id, bit_depth, chroma_format_idc);

 }

ff_h264_pred_init_x86
void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)

pred16x16_plane_svq3_c
static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:296

h
h
Definition: vp9dsp_template.c:2038

ff_h264_pred_init_mips
void ff_h264_pred_init_mips(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
Definition: h264pred_init_mips.c:145

MAX_NEG_CROP
#define MAX_NEG_CROP
Definition: mathops.h:31

ff_h264_pred_init
av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth, int chroma_format_idc)
Set the intra prediction function pointers.
Definition: h264pred.c:411

pred4x4_vertical_left_rv40
static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright, ptrdiff_t stride, const int l0, const int l1, const int l2, const int l3, const int l4)
Definition: h264pred.c:159

src
#define src
Definition: vp8dsp.c:254

AV_WN32A
#define AV_WN32A(p, v)
Definition: intreadwrite.h:543

pred4x4_vertical_left_rv40_c
static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:185

attributes.h
Macro definitions for various function/variable attributes.

PACK_4U8
#define PACK_4U8(a, b, c, d)
Definition: mathops.h:184

t7
#define t7
Definition: regdef.h:35

av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37

pred4x4_down_left_svq3_c
static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:83

pred4x4_vertical_vp8_c
static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:54

uint8_t
uint8_t
Definition: audio_convert.c:194

av_cold
#define av_cold
Definition: attributes.h:82

pred4x4_horizontal_up_rv40_c
static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:227

pred8x8_left_dc_rv40_c
static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:334

H264PredContext
Context for storing H.264 prediction functions.
Definition: h264pred.h:92

t0
#define t0
Definition: regdef.h:28

pred4x4_horizontal_vp8_c
static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:71

pred16x16_tm_vp8_c
static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:306

cm
#define cm
Definition: dvbsubdec.c:37

pred4x4_vertical_left_vp8_c
static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:203

pred16x16_plane_rv40_c
static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:301

t1
#define t1
Definition: regdef.h:29

avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().

H264_PRED
#define H264_PRED(depth)

t3
#define t3
Definition: regdef.h:31

ff_h264_pred_init_aarch64
av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
Definition: h264pred_init.c:86

h264pred_template.c
H.264 / AVC / MPEG-4 part10 prediction functions.

pred8x8_dc_rv40_c
static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:366

intreadwrite.h

bit_depth
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:150

codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:235

pred8x8_top_dc_rv40_c
static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:350

avcodec.h
Libavcodec external API header.

pred8x8_tm_vp8_c
static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:388

pred4x4_down_left_rv40_nodown_c
static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:133

t5
#define t5
Definition: regdef.h:33

h264pred.h
H.264 / AVC / MPEG-4 prediction functions.

LOAD_LEFT_EDGE
#define LOAD_LEFT_EDGE
Definition: h264pred_template.c:153

ff_h264_pred_init_arm
av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
Definition: h264pred_init_arm.c:88

LOAD_TOP_EDGE
#define LOAD_TOP_EDGE
Definition: h264pred_template.c:159

stride
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105

t6
#define t6
Definition: regdef.h:34

ff_crop_tab
#define ff_crop_tab
Definition: motionpixels_tablegen.c:26

pred4x4_horizontal_up_rv40_nodown_c
static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:253

pred4x4_down_left_rv40_c
static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:107

t4
#define t4
Definition: regdef.h:32

LOAD_DOWN_LEFT_EDGE
#define LOAD_DOWN_LEFT_EDGE
Definition: h264pred_template.c:147

pred4x4_tm_vp8_c
static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:279

LOAD_TOP_RIGHT_EDGE
#define LOAD_TOP_RIGHT_EDGE
Definition: h264pred_template.c:141

stride
#define stride

t2
#define t2
Definition: regdef.h:30

pred4x4_vertical_left_rv40_nodown_c
static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:194