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ffmpeg/libavcodec/h264pred.c

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/*
* 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 / MPEG4 part10 prediction functions.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "h264pred.h"
#define BIT_DEPTH 8
#include "h264pred_internal.h"
#undef BIT_DEPTH
#define BIT_DEPTH 9
#include "h264pred_internal.h"
#undef BIT_DEPTH
#define BIT_DEPTH 10
#include "h264pred_internal.h"
#undef BIT_DEPTH
/**
* Set the intra prediction function pointers.
*/
void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth){
// MpegEncContext * const s = &h->s;
#undef FUNC
#undef FUNCC
#define FUNC(a, depth) a ## _ ## depth
#define FUNCC(a, depth) a ## _ ## depth ## _c
#define H264_PRED(depth) \
if(codec_id != CODEC_ID_RV40){\
if(codec_id == CODEC_ID_VP8) {\
h->pred4x4[VERT_PRED ]= FUNCC(pred4x4_vertical_vp8 , depth);\
h->pred4x4[HOR_PRED ]= FUNCC(pred4x4_horizontal_vp8 , 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);\
if(codec_id == CODEC_ID_SVQ3)\
h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left_svq3, depth);\
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 == CODEC_ID_VP8) {\
h->pred4x4[VERT_LEFT_PRED ]= FUNCC(pred4x4_vertical_left_vp8 , depth);\
} else\
h->pred4x4[VERT_LEFT_PRED ]= FUNCC(pred4x4_vertical_left , depth);\
h->pred4x4[HOR_UP_PRED ]= FUNCC(pred4x4_horizontal_up , depth);\
if(codec_id != CODEC_ID_VP8) {\
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);\
} else {\
h->pred4x4[TM_VP8_PRED ]= FUNCC(pred4x4_tm_vp8 , depth);\
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);\
}\
}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 ]= FUNCC(pred4x4_down_left_rv40 , 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);\
h->pred4x4[VERT_LEFT_PRED ]= FUNCC(pred4x4_vertical_left_rv40, depth);\
h->pred4x4[HOR_UP_PRED ]= FUNCC(pred4x4_horizontal_up_rv40, depth);\
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]= FUNCC(pred4x4_down_left_rv40_nodown, depth);\
h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= FUNCC(pred4x4_horizontal_up_rv40_nodown , depth);\
h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= FUNCC(pred4x4_vertical_left_rv40_nodown , depth);\
}\
\
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);\
\
h->pred8x8[VERT_PRED8x8 ]= FUNCC(pred8x8_vertical , depth);\
h->pred8x8[HOR_PRED8x8 ]= FUNCC(pred8x8_horizontal , depth);\
if (codec_id != CODEC_ID_VP8) {\
h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_plane , depth);\
} else\
h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_tm_vp8 , depth);\
if(codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8){\
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(pred8x8_dc_rv40 , depth);\
h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc_rv40 , depth);\
h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc_rv40 , depth);\
if (codec_id == CODEC_ID_VP8) {\
h->pred8x8[DC_127_PRED8x8]= FUNCC(pred8x8_127_dc , depth);\
h->pred8x8[DC_129_PRED8x8]= FUNCC(pred8x8_129_dc , depth);\
}\
}\
h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_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 CODEC_ID_SVQ3:\
h->pred16x16[PLANE_PRED8x8 ]= FUNCC(pred16x16_plane_svq3 , depth);\
break;\
case CODEC_ID_RV40:\
h->pred16x16[PLANE_PRED8x8 ]= FUNCC(pred16x16_plane_rv40 , depth);\
break;\
case CODEC_ID_VP8:\
h->pred16x16[PLANE_PRED8x8 ]= FUNCC(pred16x16_tm_vp8 , depth);\
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 h264 */ \
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->pred8x8_add [VERT_PRED8x8]= FUNCC(pred8x8_vertical_add , depth);\
h->pred8x8_add [ HOR_PRED8x8]= FUNCC(pred8x8_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;
default:
H264_PRED(8)
break;
}
if (ARCH_ARM) ff_h264_pred_init_arm(h, codec_id, bit_depth);
if (HAVE_MMX) ff_h264_pred_init_x86(h, codec_id, bit_depth);
}
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