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ffmpeg / libavcodec / h264pred.c @ 8dbe5856

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/*
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 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file
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 * H.264 / AVC / MPEG4 part10 prediction functions.
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 * @author Michael Niedermayer <michaelni@gmx.at>
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 */
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#include "h264pred.h"
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#define BIT_DEPTH 8
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#include "h264pred_internal.h"
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#undef BIT_DEPTH
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#define BIT_DEPTH 9
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#include "h264pred_internal.h"
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#undef BIT_DEPTH
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#define BIT_DEPTH 10
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#include "h264pred_internal.h"
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#undef BIT_DEPTH
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/**
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 * Set the intra prediction function pointers.
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 */
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void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth){
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//    MpegEncContext * const s = &h->s;
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#undef FUNC
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#undef FUNCC
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#define FUNC(a, depth) a ## _ ## depth
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#define FUNCC(a, depth) a ## _ ## depth ## _c
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#define H264_PRED(depth) \
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    if(codec_id != CODEC_ID_RV40){\
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        if(codec_id == CODEC_ID_VP8) {\
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            h->pred4x4[VERT_PRED       ]= FUNCC(pred4x4_vertical_vp8      , depth);\
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            h->pred4x4[HOR_PRED        ]= FUNCC(pred4x4_horizontal_vp8    , depth);\
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        } else {\
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            h->pred4x4[VERT_PRED       ]= FUNCC(pred4x4_vertical          , depth);\
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            h->pred4x4[HOR_PRED        ]= FUNCC(pred4x4_horizontal        , depth);\
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        }\
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        h->pred4x4[DC_PRED             ]= FUNCC(pred4x4_dc                , depth);\
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        if(codec_id == CODEC_ID_SVQ3)\
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            h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left_svq3, depth);\
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        else\
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            h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left     , depth);\
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        h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right        , depth);\
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        h->pred4x4[VERT_RIGHT_PRED     ]= FUNCC(pred4x4_vertical_right    , depth);\
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        h->pred4x4[HOR_DOWN_PRED       ]= FUNCC(pred4x4_horizontal_down   , depth);\
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        if (codec_id == CODEC_ID_VP8) {\
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            h->pred4x4[VERT_LEFT_PRED  ]= FUNCC(pred4x4_vertical_left_vp8 , depth);\
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        } else\
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            h->pred4x4[VERT_LEFT_PRED  ]= FUNCC(pred4x4_vertical_left     , depth);\
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        h->pred4x4[HOR_UP_PRED         ]= FUNCC(pred4x4_horizontal_up     , depth);\
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        if(codec_id != CODEC_ID_VP8) {\
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            h->pred4x4[LEFT_DC_PRED    ]= FUNCC(pred4x4_left_dc           , depth);\
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            h->pred4x4[TOP_DC_PRED     ]= FUNCC(pred4x4_top_dc            , depth);\
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            h->pred4x4[DC_128_PRED     ]= FUNCC(pred4x4_128_dc            , depth);\
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        } else {\
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            h->pred4x4[TM_VP8_PRED     ]= FUNCC(pred4x4_tm_vp8            , depth);\
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            h->pred4x4[DC_127_PRED     ]= FUNCC(pred4x4_127_dc            , depth);\
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            h->pred4x4[DC_129_PRED     ]= FUNCC(pred4x4_129_dc            , depth);\
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            h->pred4x4[VERT_VP8_PRED   ]= FUNCC(pred4x4_vertical          , depth);\
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            h->pred4x4[HOR_VP8_PRED    ]= FUNCC(pred4x4_horizontal        , depth);\
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        }\
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    }else{\
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        h->pred4x4[VERT_PRED           ]= FUNCC(pred4x4_vertical          , depth);\
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        h->pred4x4[HOR_PRED            ]= FUNCC(pred4x4_horizontal        , depth);\
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        h->pred4x4[DC_PRED             ]= FUNCC(pred4x4_dc                , depth);\
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        h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left_rv40    , depth);\
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        h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right        , depth);\
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        h->pred4x4[VERT_RIGHT_PRED     ]= FUNCC(pred4x4_vertical_right    , depth);\
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        h->pred4x4[HOR_DOWN_PRED       ]= FUNCC(pred4x4_horizontal_down   , depth);\
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        h->pred4x4[VERT_LEFT_PRED      ]= FUNCC(pred4x4_vertical_left_rv40, depth);\
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        h->pred4x4[HOR_UP_PRED         ]= FUNCC(pred4x4_horizontal_up_rv40, depth);\
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        h->pred4x4[LEFT_DC_PRED        ]= FUNCC(pred4x4_left_dc           , depth);\
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        h->pred4x4[TOP_DC_PRED         ]= FUNCC(pred4x4_top_dc            , depth);\
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        h->pred4x4[DC_128_PRED         ]= FUNCC(pred4x4_128_dc            , depth);\
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        h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= FUNCC(pred4x4_down_left_rv40_nodown, depth);\
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        h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= FUNCC(pred4x4_horizontal_up_rv40_nodown    , depth);\
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        h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= FUNCC(pred4x4_vertical_left_rv40_nodown , depth);\
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    }\
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\
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    h->pred8x8l[VERT_PRED           ]= FUNCC(pred8x8l_vertical            , depth);\
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    h->pred8x8l[HOR_PRED            ]= FUNCC(pred8x8l_horizontal          , depth);\
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    h->pred8x8l[DC_PRED             ]= FUNCC(pred8x8l_dc                  , depth);\
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    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left           , depth);\
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    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right          , depth);\
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    h->pred8x8l[VERT_RIGHT_PRED     ]= FUNCC(pred8x8l_vertical_right      , depth);\
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    h->pred8x8l[HOR_DOWN_PRED       ]= FUNCC(pred8x8l_horizontal_down     , depth);\
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    h->pred8x8l[VERT_LEFT_PRED      ]= FUNCC(pred8x8l_vertical_left       , depth);\
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    h->pred8x8l[HOR_UP_PRED         ]= FUNCC(pred8x8l_horizontal_up       , depth);\
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    h->pred8x8l[LEFT_DC_PRED        ]= FUNCC(pred8x8l_left_dc             , depth);\
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    h->pred8x8l[TOP_DC_PRED         ]= FUNCC(pred8x8l_top_dc              , depth);\
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    h->pred8x8l[DC_128_PRED         ]= FUNCC(pred8x8l_128_dc              , depth);\
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\
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    h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x8_vertical                   , depth);\
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    h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x8_horizontal                 , depth);\
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    if (codec_id != CODEC_ID_VP8) {\
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        h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_plane                    , depth);\
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    } else\
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        h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_tm_vp8                   , depth);\
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    if(codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8){\
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        h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x8_dc                     , depth);\
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        h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc                , depth);\
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        h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc                 , depth);\
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        h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\
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        h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\
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        h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\
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        h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\
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    }else{\
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        h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x8_dc_rv40                , depth);\
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        h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc_rv40           , depth);\
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        h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc_rv40            , depth);\
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        if (codec_id == CODEC_ID_VP8) {\
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            h->pred8x8[DC_127_PRED8x8]= FUNCC(pred8x8_127_dc              , depth);\
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            h->pred8x8[DC_129_PRED8x8]= FUNCC(pred8x8_129_dc              , depth);\
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        }\
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    }\
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    h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc                     , depth);\
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\
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    h->pred16x16[DC_PRED8x8     ]= FUNCC(pred16x16_dc                     , depth);\
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    h->pred16x16[VERT_PRED8x8   ]= FUNCC(pred16x16_vertical               , depth);\
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    h->pred16x16[HOR_PRED8x8    ]= FUNCC(pred16x16_horizontal             , depth);\
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    switch(codec_id){\
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    case CODEC_ID_SVQ3:\
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       h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane_svq3          , depth);\
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       break;\
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    case CODEC_ID_RV40:\
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       h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane_rv40          , depth);\
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       break;\
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    case CODEC_ID_VP8:\
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       h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_tm_vp8              , depth);\
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       h->pred16x16[DC_127_PRED8x8]= FUNCC(pred16x16_127_dc               , depth);\
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       h->pred16x16[DC_129_PRED8x8]= FUNCC(pred16x16_129_dc               , depth);\
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       break;\
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    default:\
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       h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane               , depth);\
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       break;\
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    }\
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    h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc                , depth);\
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    h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc                 , depth);\
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    h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc                 , depth);\
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\
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    /* special lossless h/v prediction for h264 */ \
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    h->pred4x4_add  [VERT_PRED   ]= FUNCC(pred4x4_vertical_add            , depth);\
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    h->pred4x4_add  [ HOR_PRED   ]= FUNCC(pred4x4_horizontal_add          , depth);\
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    h->pred8x8l_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_add           , depth);\
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    h->pred8x8l_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_add         , depth);\
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    h->pred8x8_add  [VERT_PRED8x8]= FUNCC(pred8x8_vertical_add            , depth);\
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    h->pred8x8_add  [ HOR_PRED8x8]= FUNCC(pred8x8_horizontal_add          , depth);\
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    h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add          , depth);\
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    h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add        , depth);\
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    switch (bit_depth) {
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        case 9:
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            H264_PRED(9)
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            break;
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        case 10:
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            H264_PRED(10)
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            break;
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        default:
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            H264_PRED(8)
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            break;
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    }
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    if (ARCH_ARM) ff_h264_pred_init_arm(h, codec_id, bit_depth);
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    if (HAVE_MMX) ff_h264_pred_init_x86(h, codec_id, bit_depth);
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}