h261: move tables from header to .c file.
Currently they end up twice in the binary, since both encoder and decoder include the header and thus each gets their own copy. This is clearly nonsense for the const tables, but shouldn't be necessary for the RLTable either. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger
parent
6952301f33
commit
5735f768b0
@ -184,9 +184,9 @@ OBJS-$(CONFIG_GIF_DECODER) += gifdec.o lzw.o
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OBJS-$(CONFIG_GIF_ENCODER) += gif.o lzwenc.o
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OBJS-$(CONFIG_GSM_DECODER) += gsmdec.o gsmdec_data.o msgsmdec.o
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OBJS-$(CONFIG_GSM_MS_DECODER) += gsmdec.o gsmdec_data.o msgsmdec.o
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OBJS-$(CONFIG_H261_DECODER) += h261dec.o h261.o \
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OBJS-$(CONFIG_H261_DECODER) += h261dec.o h261.o h261data.o \
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mpegvideo.o error_resilience.o
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OBJS-$(CONFIG_H261_ENCODER) += h261enc.o h261.o \
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OBJS-$(CONFIG_H261_ENCODER) += h261enc.o h261.o h261data.o \
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mpegvideo_enc.o motion_est.o \
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ratecontrol.o mpeg12data.o \
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mpegvideo.o
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155
libavcodec/h261data.c
Normal file
155
libavcodec/h261data.c
Normal file
@ -0,0 +1,155 @@
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/*
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* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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* copyright (c) 2004 Maarten Daniels
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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.261 tables.
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*/
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#include <stdint.h>
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#include "h261.h"
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#include "h261data.h"
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// H.261 VLC table for macroblock addressing
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const uint8_t ff_h261_mba_code[35] = {
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1, 3, 2, 3,
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2, 3, 2, 7,
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6, 11, 10, 9,
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8, 7, 6, 23,
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22, 21, 20, 19,
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18, 35, 34, 33,
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32, 31, 30, 29,
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28, 27, 26, 25,
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24,
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15, //(MBA stuffing)
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1 //(start code)
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};
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const uint8_t ff_h261_mba_bits[35] = {
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1, 3, 3, 4,
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4, 5, 5, 7,
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7, 8, 8, 8,
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8, 8, 8, 10,
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10, 10, 10, 10,
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10, 11, 11, 11,
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11, 11, 11, 11,
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11, 11, 11, 11,
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11,
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11, //(MBA stuffing)
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16 //(start code)
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};
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//H.261 VLC table for macroblock type
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const uint8_t ff_h261_mtype_code[10] = {
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1, 1, 1, 1,
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1, 1, 1, 1,
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1, 1
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};
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const uint8_t ff_h261_mtype_bits[10] = {
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4, 7, 1, 5,
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9, 8, 10, 3,
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2, 6
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};
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const int ff_h261_mtype_map[10]= {
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MB_TYPE_INTRA4x4,
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MB_TYPE_INTRA4x4 | MB_TYPE_QUANT,
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MB_TYPE_CBP,
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MB_TYPE_QUANT | MB_TYPE_CBP,
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MB_TYPE_16x16,
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MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_QUANT | MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_16x16 | MB_TYPE_H261_FIL,
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MB_TYPE_CBP | MB_TYPE_16x16 | MB_TYPE_H261_FIL,
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MB_TYPE_QUANT | MB_TYPE_CBP | MB_TYPE_16x16 | MB_TYPE_H261_FIL
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};
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//H.261 VLC table for motion vectors
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const uint8_t ff_h261_mv_tab[17][2] = {
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{1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
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{11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10}, {12,10}
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};
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//H.261 VLC table for coded block pattern
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const uint8_t ff_h261_cbp_tab[63][2] =
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{
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{11,5}, {9,5}, {13,6}, {13,4}, {23,7}, {19,7}, {31,8}, {12,4},
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{22,7}, {18,7}, {30,8}, {19,5}, {27,8}, {23,8}, {19,8}, {11,4},
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{21,7}, {17,7}, {29,8}, {17,5}, {25,8}, {21,8}, {17,8}, {15,6},
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{15,8}, {13,8}, {3,9}, {15,5}, {11,8}, {7,8}, {7,9}, {10,4},
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{20,7}, {16,7}, {28,8}, {14,6}, {14,8}, {12,8}, {2,9}, {16,5},
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{24,8}, {20,8}, {16,8}, {14,5}, {10,8}, {6,8}, {6,9}, {18,5},
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{26,8}, {22,8}, {18,8}, {13,5}, {9,8}, {5,8}, {5,9}, {12,5},
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{8,8}, {4,8}, {4,9}, {7,3}, {10,5}, {8,5}, {12,6}
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};
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//H.261 VLC table for transform coefficients
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static const uint16_t h261_tcoeff_vlc[65][2] = {
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{ 0x2, 2 }, { 0x3, 2 },{ 0x4, 4 },{ 0x5, 5 },
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{ 0x6, 7 },{ 0x26, 8 },{ 0x21, 8 },{ 0xa, 10 },
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{ 0x1d, 12 },{ 0x18, 12 },{ 0x13, 12 },{ 0x10 , 12 },
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{ 0x1a, 13},{ 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 },
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{ 0x3, 3 }, { 0x6, 6 }, { 0x25 , 8 }, { 0xc, 10 },
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{ 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x5, 4},
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{ 0x4, 7}, { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 },
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{ 0x7, 5 }, { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 },
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{ 0x6, 5 }, { 0xf, 10 }, { 0x12, 12}, { 0x7, 6},
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{ 0x9 , 10 }, { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 },
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{ 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12},
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{ 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
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{ 0x23, 8 }, { 0x22, 8 }, { 0x20, 8 }, { 0xe , 10 },
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{ 0xd, 10 }, { 0x8, 10 },{ 0x1f, 12 }, { 0x1a, 12 },
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{ 0x19, 12 }, { 0x17, 12 }, { 0x16, 12}, { 0x1f, 13},
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{ 0x1e, 13 }, { 0x1d, 13 }, { 0x1c, 13}, { 0x1b, 13},
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{ 0x1, 6 } //escape
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};
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static const int8_t h261_tcoeff_level[64] = {
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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1, 2, 3, 4, 5, 6, 7, 1,
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2, 3, 4, 5, 1, 2, 3, 4,
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1, 2, 3, 1, 2, 3, 1, 2,
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1, 2, 1, 2, 1, 2, 1, 2,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1
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};
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static const int8_t h261_tcoeff_run[64] = {
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0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 1,
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1, 1, 1, 1, 1, 1, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 4,
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4, 4, 5, 5, 5, 6, 6, 7,
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7, 8, 8, 9, 9, 10, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19,
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20, 21, 22, 23, 24, 25, 26
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};
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RLTable ff_h261_rl_tcoeff = {
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64,
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64,
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h261_tcoeff_vlc,
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h261_tcoeff_run,
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h261_tcoeff_level,
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};
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@ -30,135 +30,13 @@
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#include <stdint.h>
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#include "h261.h"
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// H.261 VLC table for macroblock addressing
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static const uint8_t h261_mba_code[35] = {
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1, 3, 2, 3,
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2, 3, 2, 7,
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6, 11, 10, 9,
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8, 7, 6, 23,
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22, 21, 20, 19,
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18, 35, 34, 33,
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32, 31, 30, 29,
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28, 27, 26, 25,
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24,
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15, //(MBA stuffing)
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1 //(start code)
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};
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static const uint8_t h261_mba_bits[35] = {
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1, 3, 3, 4,
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4, 5, 5, 7,
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7, 8, 8, 8,
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8, 8, 8, 10,
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10, 10, 10, 10,
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10, 11, 11, 11,
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11, 11, 11, 11,
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11, 11, 11, 11,
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11,
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11, //(MBA stuffing)
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16 //(start code)
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};
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//H.261 VLC table for macroblock type
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static const uint8_t h261_mtype_code[10] = {
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1, 1, 1, 1,
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1, 1, 1, 1,
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1, 1
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};
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static const uint8_t h261_mtype_bits[10] = {
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4, 7, 1, 5,
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9, 8, 10, 3,
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2, 6
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};
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static const int h261_mtype_map[10]= {
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MB_TYPE_INTRA4x4,
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MB_TYPE_INTRA4x4 | MB_TYPE_QUANT,
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MB_TYPE_CBP,
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MB_TYPE_QUANT | MB_TYPE_CBP,
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MB_TYPE_16x16,
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MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_QUANT | MB_TYPE_CBP | MB_TYPE_16x16,
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MB_TYPE_16x16 | MB_TYPE_H261_FIL,
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MB_TYPE_CBP | MB_TYPE_16x16 | MB_TYPE_H261_FIL,
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MB_TYPE_QUANT | MB_TYPE_CBP | MB_TYPE_16x16 | MB_TYPE_H261_FIL
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};
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//H.261 VLC table for motion vectors
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static const uint8_t h261_mv_tab[17][2] = {
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{1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
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{11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10}, {12,10}
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};
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static const int mvmap[17] =
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{
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0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16
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};
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//H.261 VLC table for coded block pattern
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static const uint8_t h261_cbp_tab[63][2] =
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{
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{11,5}, {9,5}, {13,6}, {13,4}, {23,7}, {19,7}, {31,8}, {12,4},
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{22,7}, {18,7}, {30,8}, {19,5}, {27,8}, {23,8}, {19,8}, {11,4},
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{21,7}, {17,7}, {29,8}, {17,5}, {25,8}, {21,8}, {17,8}, {15,6},
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{15,8}, {13,8}, {3,9}, {15,5}, {11,8}, {7,8}, {7,9}, {10,4},
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{20,7}, {16,7}, {28,8}, {14,6}, {14,8}, {12,8}, {2,9}, {16,5},
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{24,8}, {20,8}, {16,8}, {14,5}, {10,8}, {6,8}, {6,9}, {18,5},
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{26,8}, {22,8}, {18,8}, {13,5}, {9,8}, {5,8}, {5,9}, {12,5},
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{8,8}, {4,8}, {4,9}, {7,3}, {10,5}, {8,5}, {12,6}
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};
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//H.261 VLC table for transform coefficients
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static const uint16_t h261_tcoeff_vlc[65][2] = {
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{ 0x2, 2 }, { 0x3, 2 },{ 0x4, 4 },{ 0x5, 5 },
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{ 0x6, 7 },{ 0x26, 8 },{ 0x21, 8 },{ 0xa, 10 },
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{ 0x1d, 12 },{ 0x18, 12 },{ 0x13, 12 },{ 0x10 , 12 },
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{ 0x1a, 13},{ 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 },
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{ 0x3, 3 }, { 0x6, 6 }, { 0x25 , 8 }, { 0xc, 10 },
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{ 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x5, 4},
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{ 0x4, 7}, { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 },
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{ 0x7, 5 }, { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 },
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{ 0x6, 5 }, { 0xf, 10 }, { 0x12, 12}, { 0x7, 6},
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{ 0x9 , 10 }, { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 },
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{ 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12},
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{ 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
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{ 0x23, 8 }, { 0x22, 8 }, { 0x20, 8 }, { 0xe , 10 },
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{ 0xd, 10 }, { 0x8, 10 },{ 0x1f, 12 }, { 0x1a, 12 },
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{ 0x19, 12 }, { 0x17, 12 }, { 0x16, 12}, { 0x1f, 13},
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{ 0x1e, 13 }, { 0x1d, 13 }, { 0x1c, 13}, { 0x1b, 13},
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{ 0x1, 6 } //escape
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};
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static const int8_t h261_tcoeff_level[64] = {
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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1, 2, 3, 4, 5, 6, 7, 1,
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2, 3, 4, 5, 1, 2, 3, 4,
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1, 2, 3, 1, 2, 3, 1, 2,
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1, 2, 1, 2, 1, 2, 1, 2,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1
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};
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static const int8_t h261_tcoeff_run[64] = {
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0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 1,
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1, 1, 1, 1, 1, 1, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 4,
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4, 4, 5, 5, 5, 6, 6, 7,
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7, 8, 8, 9, 9, 10, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19,
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20, 21, 22, 23, 24, 25, 26
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};
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static RLTable h261_rl_tcoeff = {
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64,
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64,
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h261_tcoeff_vlc,
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h261_tcoeff_run,
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h261_tcoeff_level,
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};
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extern const uint8_t ff_h261_mba_code[35];
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extern const uint8_t ff_h261_mba_bits[35];
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extern const uint8_t ff_h261_mtype_code[10];
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extern const uint8_t ff_h261_mtype_bits[10];
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extern const int ff_h261_mtype_map[10];
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extern const uint8_t ff_h261_mv_tab[17][2];
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extern const uint8_t ff_h261_cbp_tab[63][2];
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extern RLTable ff_h261_rl_tcoeff;
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#endif /* AVCODEC_H261DATA_H */
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@ -55,19 +55,19 @@ static av_cold void h261_decode_init_vlc(H261Context *h){
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if(!done){
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done = 1;
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INIT_VLC_STATIC(&h261_mba_vlc, H261_MBA_VLC_BITS, 35,
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h261_mba_bits, 1, 1,
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h261_mba_code, 1, 1, 662);
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ff_h261_mba_bits, 1, 1,
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ff_h261_mba_code, 1, 1, 662);
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INIT_VLC_STATIC(&h261_mtype_vlc, H261_MTYPE_VLC_BITS, 10,
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h261_mtype_bits, 1, 1,
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h261_mtype_code, 1, 1, 80);
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ff_h261_mtype_bits, 1, 1,
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ff_h261_mtype_code, 1, 1, 80);
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INIT_VLC_STATIC(&h261_mv_vlc, H261_MV_VLC_BITS, 17,
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&h261_mv_tab[0][1], 2, 1,
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&h261_mv_tab[0][0], 2, 1, 144);
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&ff_h261_mv_tab[0][1], 2, 1,
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&ff_h261_mv_tab[0][0], 2, 1, 144);
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INIT_VLC_STATIC(&h261_cbp_vlc, H261_CBP_VLC_BITS, 63,
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&h261_cbp_tab[0][1], 2, 1,
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&h261_cbp_tab[0][0], 2, 1, 512);
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ff_init_rl(&h261_rl_tcoeff, ff_h261_rl_table_store);
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INIT_VLC_RL(h261_rl_tcoeff, 552);
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&ff_h261_cbp_tab[0][1], 2, 1,
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&ff_h261_cbp_tab[0][0], 2, 1, 512);
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ff_init_rl(&ff_h261_rl_tcoeff, ff_h261_rl_table_store);
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INIT_VLC_RL(ff_h261_rl_tcoeff, 552);
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}
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}
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@ -228,6 +228,9 @@ static int h261_decode_mb_skipped(H261Context *h, int mba1, int mba2 )
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}
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static int decode_mv_component(GetBitContext *gb, int v){
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static const int mvmap[17] = {
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0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16
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};
|
||||
int mv_diff = get_vlc2(gb, h261_mv_vlc.table, H261_MV_VLC_BITS, 2);
|
||||
|
||||
/* check if mv_diff is valid */
|
||||
@ -290,7 +293,7 @@ static int h261_decode_mb(H261Context *h){
|
||||
av_log(s->avctx, AV_LOG_ERROR, "illegal mtype %d\n", h->mtype);
|
||||
return SLICE_ERROR;
|
||||
}
|
||||
h->mtype = h261_mtype_map[h->mtype];
|
||||
h->mtype = ff_h261_mtype_map[h->mtype];
|
||||
|
||||
// Read mquant
|
||||
if ( IS_QUANT ( h->mtype ) ){
|
||||
@ -367,7 +370,7 @@ static int h261_decode_block(H261Context * h, DCTELEM * block,
|
||||
{
|
||||
MpegEncContext * const s = &h->s;
|
||||
int code, level, i, j, run;
|
||||
RLTable *rl = &h261_rl_tcoeff;
|
||||
RLTable *rl = &ff_h261_rl_tcoeff;
|
||||
const uint8_t *scan_table;
|
||||
|
||||
// For the variable length encoding there are two code tables, one being used for
|
||||
|
||||
@ -128,7 +128,7 @@ static void h261_encode_motion(H261Context * h, int val){
|
||||
int sign, code;
|
||||
if(val==0){
|
||||
code = 0;
|
||||
put_bits(&s->pb,h261_mv_tab[code][1],h261_mv_tab[code][0]);
|
||||
put_bits(&s->pb,ff_h261_mv_tab[code][1],ff_h261_mv_tab[code][0]);
|
||||
}
|
||||
else{
|
||||
if(val > 15)
|
||||
@ -137,7 +137,7 @@ static void h261_encode_motion(H261Context * h, int val){
|
||||
val+=32;
|
||||
sign = val < 0;
|
||||
code = sign ? -val : val;
|
||||
put_bits(&s->pb,h261_mv_tab[code][1],h261_mv_tab[code][0]);
|
||||
put_bits(&s->pb,ff_h261_mv_tab[code][1],ff_h261_mv_tab[code][0]);
|
||||
put_bits(&s->pb,1,sign);
|
||||
}
|
||||
}
|
||||
@ -182,7 +182,7 @@ void ff_h261_encode_mb(MpegEncContext * s,
|
||||
}
|
||||
|
||||
/* MB is not skipped, encode MBA */
|
||||
put_bits(&s->pb, h261_mba_bits[(h->current_mba-h->previous_mba)-1], h261_mba_code[(h->current_mba-h->previous_mba)-1]);
|
||||
put_bits(&s->pb, ff_h261_mba_bits[(h->current_mba-h->previous_mba)-1], ff_h261_mba_code[(h->current_mba-h->previous_mba)-1]);
|
||||
|
||||
/* calculate MTYPE */
|
||||
if(!s->mb_intra){
|
||||
@ -200,9 +200,9 @@ void ff_h261_encode_mb(MpegEncContext * s,
|
||||
if(s->dquant)
|
||||
h->mtype++;
|
||||
|
||||
put_bits(&s->pb, h261_mtype_bits[h->mtype], h261_mtype_code[h->mtype]);
|
||||
put_bits(&s->pb, ff_h261_mtype_bits[h->mtype], ff_h261_mtype_code[h->mtype]);
|
||||
|
||||
h->mtype = h261_mtype_map[h->mtype];
|
||||
h->mtype = ff_h261_mtype_map[h->mtype];
|
||||
|
||||
if(IS_QUANT(h->mtype)){
|
||||
ff_set_qscale(s,s->qscale+s->dquant);
|
||||
@ -222,7 +222,7 @@ void ff_h261_encode_mb(MpegEncContext * s,
|
||||
|
||||
if(HAS_CBP(h->mtype)){
|
||||
assert(cbp>0);
|
||||
put_bits(&s->pb,h261_cbp_tab[cbp-1][1],h261_cbp_tab[cbp-1][0]);
|
||||
put_bits(&s->pb,ff_h261_cbp_tab[cbp-1][1],ff_h261_cbp_tab[cbp-1][0]);
|
||||
}
|
||||
for(i=0; i<6; i++) {
|
||||
/* encode each block */
|
||||
@ -240,7 +240,7 @@ void ff_h261_encode_init(MpegEncContext *s){
|
||||
|
||||
if (!done) {
|
||||
done = 1;
|
||||
ff_init_rl(&h261_rl_tcoeff, ff_h261_rl_table_store);
|
||||
ff_init_rl(&ff_h261_rl_tcoeff, ff_h261_rl_table_store);
|
||||
}
|
||||
|
||||
s->min_qcoeff= -127;
|
||||
@ -260,7 +260,7 @@ static void h261_encode_block(H261Context * h, DCTELEM * block, int n){
|
||||
int level, run, i, j, last_index, last_non_zero, sign, slevel, code;
|
||||
RLTable *rl;
|
||||
|
||||
rl = &h261_rl_tcoeff;
|
||||
rl = &ff_h261_rl_tcoeff;
|
||||
if (s->mb_intra) {
|
||||
/* DC coef */
|
||||
level = block[0];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user