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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * VC-1 and WMV3 decoder common code |
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| 3 | * Copyright (c) 2011 Mashiat Sarker Shakkhar |
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| 4 | * Copyright (c) 2006-2007 Konstantin Shishkov |
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| 5 | * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer |
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| 6 | * |
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| 7 | * This file is part of FFmpeg. |
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| 8 | * |
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| 9 | * FFmpeg is free software; you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU Lesser General Public |
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| 11 | * License as published by the Free Software Foundation; either |
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| 12 | * version 2.1 of the License, or (at your option) any later version. |
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| 13 | * |
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| 14 | * FFmpeg is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * Lesser General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public |
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| 20 | * License along with FFmpeg; if not, write to the Free Software |
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| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |||
| 24 | /** |
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| 25 | * @file |
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| 26 | * VC-1 and WMV3 decoder common code |
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| 27 | * |
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| 28 | */ |
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| 29 | |||
| 30 | #include "libavutil/attributes.h" |
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| 31 | #include "internal.h" |
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| 32 | #include "avcodec.h" |
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| 33 | #include "mpegvideo.h" |
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| 34 | #include "vc1.h" |
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| 35 | #include "vc1data.h" |
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| 36 | #include "msmpeg4data.h" |
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| 37 | #include "unary.h" |
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| 38 | #include "simple_idct.h" |
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| 39 | |||
| 40 | /***********************************************************************/ |
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| 41 | /** |
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| 42 | * @name VC-1 Bitplane decoding |
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| 43 | * @see 8.7, p56 |
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| 44 | * @{ |
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| 45 | */ |
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| 46 | |||
| 47 | /** Decode rows by checking if they are skipped |
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| 48 | * @param plane Buffer to store decoded bits |
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| 49 | * @param[in] width Width of this buffer |
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| 50 | * @param[in] height Height of this buffer |
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| 51 | * @param[in] stride of this buffer |
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| 52 | */ |
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| 53 | static void decode_rowskip(uint8_t* plane, int width, int height, int stride, |
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| 54 | GetBitContext *gb) |
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| 55 | { |
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| 56 | int x, y; |
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| 57 | |||
| 58 | for (y = 0; y < height; y++) { |
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| 59 | if (!get_bits1(gb)) //rowskip |
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| 60 | memset(plane, 0, width); |
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| 61 | else |
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| 62 | for (x = 0; x < width; x++) |
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| 63 | plane[x] = get_bits1(gb); |
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| 64 | plane += stride; |
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| 65 | } |
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| 66 | } |
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| 67 | |||
| 68 | /** Decode columns by checking if they are skipped |
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| 69 | * @param plane Buffer to store decoded bits |
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| 70 | * @param[in] width Width of this buffer |
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| 71 | * @param[in] height Height of this buffer |
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| 72 | * @param[in] stride of this buffer |
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| 73 | * @todo FIXME: Optimize |
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| 74 | */ |
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| 75 | static void decode_colskip(uint8_t* plane, int width, int height, int stride, |
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| 76 | GetBitContext *gb) |
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| 77 | { |
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| 78 | int x, y; |
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| 79 | |||
| 80 | for (x = 0; x < width; x++) { |
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| 81 | if (!get_bits1(gb)) //colskip |
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| 82 | for (y = 0; y < height; y++) |
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| 83 | plane[y*stride] = 0; |
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| 84 | else |
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| 85 | for (y = 0; y < height; y++) |
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| 86 | plane[y*stride] = get_bits1(gb); |
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| 87 | plane ++; |
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| 88 | } |
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| 89 | } |
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| 90 | |||
| 91 | /** Decode a bitplane's bits |
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| 92 | * @param data bitplane where to store the decode bits |
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| 93 | * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly |
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| 94 | * @param v VC-1 context for bit reading and logging |
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| 95 | * @return Status |
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| 96 | * @todo FIXME: Optimize |
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| 97 | */ |
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| 98 | static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) |
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| 99 | { |
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| 100 | GetBitContext *gb = &v->s.gb; |
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| 101 | |||
| 102 | int imode, x, y, code, offset; |
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| 103 | uint8_t invert, *planep = data; |
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| 104 | int width, height, stride; |
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| 105 | |||
| 106 | width = v->s.mb_width; |
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| 107 | height = v->s.mb_height >> v->field_mode; |
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| 108 | stride = v->s.mb_stride; |
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| 109 | invert = get_bits1(gb); |
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| 110 | imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1); |
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| 111 | |||
| 112 | *raw_flag = 0; |
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| 113 | switch (imode) { |
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| 114 | case IMODE_RAW: |
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| 115 | //Data is actually read in the MB layer (same for all tests == "raw") |
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| 116 | *raw_flag = 1; //invert ignored |
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| 117 | return invert; |
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| 118 | case IMODE_DIFF2: |
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| 119 | case IMODE_NORM2: |
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| 120 | if ((height * width) & 1) { |
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| 121 | *planep++ = get_bits1(gb); |
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| 122 | y = offset = 1; |
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| 123 | if (offset == width) { |
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| 124 | offset = 0; |
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| 125 | planep += stride - width; |
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| 126 | } |
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| 127 | } |
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| 128 | else |
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| 129 | y = offset = 0; |
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| 130 | // decode bitplane as one long line |
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| 131 | for (; y < height * width; y += 2) { |
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| 132 | code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1); |
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| 133 | *planep++ = code & 1; |
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| 134 | offset++; |
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| 135 | if (offset == width) { |
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| 136 | offset = 0; |
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| 137 | planep += stride - width; |
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| 138 | } |
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| 139 | *planep++ = code >> 1; |
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| 140 | offset++; |
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| 141 | if (offset == width) { |
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| 142 | offset = 0; |
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| 143 | planep += stride - width; |
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| 144 | } |
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| 145 | } |
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| 146 | break; |
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| 147 | case IMODE_DIFF6: |
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| 148 | case IMODE_NORM6: |
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| 149 | if (!(height % 3) && (width % 3)) { // use 2x3 decoding |
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| 150 | for (y = 0; y < height; y += 3) { |
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| 151 | for (x = width & 1; x < width; x += 2) { |
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| 152 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); |
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| 153 | if (code < 0) { |
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| 154 | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); |
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| 155 | return -1; |
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| 156 | } |
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| 157 | planep[x + 0] = (code >> 0) & 1; |
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| 158 | planep[x + 1] = (code >> 1) & 1; |
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| 159 | planep[x + 0 + stride] = (code >> 2) & 1; |
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| 160 | planep[x + 1 + stride] = (code >> 3) & 1; |
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| 161 | planep[x + 0 + stride * 2] = (code >> 4) & 1; |
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| 162 | planep[x + 1 + stride * 2] = (code >> 5) & 1; |
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| 163 | } |
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| 164 | planep += stride * 3; |
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| 165 | } |
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| 166 | if (width & 1) |
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| 167 | decode_colskip(data, 1, height, stride, &v->s.gb); |
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| 168 | } else { // 3x2 |
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| 169 | planep += (height & 1) * stride; |
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| 170 | for (y = height & 1; y < height; y += 2) { |
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| 171 | for (x = width % 3; x < width; x += 3) { |
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| 172 | code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); |
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| 173 | if (code < 0) { |
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| 174 | av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); |
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| 175 | return -1; |
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| 176 | } |
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| 177 | planep[x + 0] = (code >> 0) & 1; |
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| 178 | planep[x + 1] = (code >> 1) & 1; |
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| 179 | planep[x + 2] = (code >> 2) & 1; |
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| 180 | planep[x + 0 + stride] = (code >> 3) & 1; |
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| 181 | planep[x + 1 + stride] = (code >> 4) & 1; |
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| 182 | planep[x + 2 + stride] = (code >> 5) & 1; |
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| 183 | } |
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| 184 | planep += stride * 2; |
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| 185 | } |
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| 186 | x = width % 3; |
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| 187 | if (x) |
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| 188 | decode_colskip(data, x, height, stride, &v->s.gb); |
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| 189 | if (height & 1) |
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| 190 | decode_rowskip(data + x, width - x, 1, stride, &v->s.gb); |
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| 191 | } |
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| 192 | break; |
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| 193 | case IMODE_ROWSKIP: |
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| 194 | decode_rowskip(data, width, height, stride, &v->s.gb); |
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| 195 | break; |
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| 196 | case IMODE_COLSKIP: |
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| 197 | decode_colskip(data, width, height, stride, &v->s.gb); |
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| 198 | break; |
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| 199 | default: |
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| 200 | break; |
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| 201 | } |
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| 202 | |||
| 203 | /* Applying diff operator */ |
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| 204 | if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) { |
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| 205 | planep = data; |
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| 206 | planep[0] ^= invert; |
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| 207 | for (x = 1; x < width; x++) |
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| 208 | planep[x] ^= planep[x-1]; |
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| 209 | for (y = 1; y < height; y++) { |
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| 210 | planep += stride; |
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| 211 | planep[0] ^= planep[-stride]; |
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| 212 | for (x = 1; x < width; x++) { |
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| 213 | if (planep[x-1] != planep[x-stride]) planep[x] ^= invert; |
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| 214 | else planep[x] ^= planep[x-1]; |
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| 215 | } |
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| 216 | } |
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| 217 | } else if (invert) { |
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| 218 | planep = data; |
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| 219 | for (x = 0; x < stride * height; x++) |
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| 220 | planep[x] = !planep[x]; //FIXME stride |
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| 221 | } |
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| 222 | return (imode << 1) + invert; |
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| 223 | } |
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| 224 | |||
| 225 | /** @} */ //Bitplane group |
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| 226 | |||
| 227 | /***********************************************************************/ |
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| 228 | /** VOP Dquant decoding |
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| 229 | * @param v VC-1 Context |
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| 230 | */ |
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| 231 | static int vop_dquant_decoding(VC1Context *v) |
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| 232 | { |
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| 233 | GetBitContext *gb = &v->s.gb; |
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| 234 | int pqdiff; |
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| 235 | |||
| 236 | //variable size |
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| 237 | if (v->dquant != 2) { |
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| 238 | v->dquantfrm = get_bits1(gb); |
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| 239 | if (!v->dquantfrm) |
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| 240 | return 0; |
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| 241 | |||
| 242 | v->dqprofile = get_bits(gb, 2); |
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| 243 | switch (v->dqprofile) { |
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| 244 | case DQPROFILE_SINGLE_EDGE: |
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| 245 | case DQPROFILE_DOUBLE_EDGES: |
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| 246 | v->dqsbedge = get_bits(gb, 2); |
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| 247 | break; |
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| 248 | case DQPROFILE_ALL_MBS: |
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| 249 | v->dqbilevel = get_bits1(gb); |
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| 250 | if (!v->dqbilevel) { |
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| 251 | v->halfpq = 0; |
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| 252 | return 0; |
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| 253 | } |
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| 254 | default: |
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| 255 | break; //Forbidden ? |
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| 256 | } |
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| 257 | } |
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| 258 | |||
| 259 | pqdiff = get_bits(gb, 3); |
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| 260 | if (pqdiff == 7) |
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| 261 | v->altpq = get_bits(gb, 5); |
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| 262 | else |
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| 263 | v->altpq = v->pq + pqdiff + 1; |
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| 264 | |||
| 265 | return 0; |
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| 266 | } |
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| 267 | |||
| 268 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb); |
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| 269 | |||
| 270 | /** |
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| 271 | * Decode Simple/Main Profiles sequence header |
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| 272 | * @see Figure 7-8, p16-17 |
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| 273 | * @param avctx Codec context |
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| 274 | * @param gb GetBit context initialized from Codec context extra_data |
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| 275 | * @return Status |
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| 276 | */ |
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| 277 | int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) |
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| 278 | { |
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| 279 | av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32)); |
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| 280 | v->profile = get_bits(gb, 2); |
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| 281 | if (v->profile == PROFILE_COMPLEX) { |
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| 282 | av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n"); |
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| 283 | } |
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| 284 | |||
| 285 | if (v->profile == PROFILE_ADVANCED) { |
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| 286 | v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz; |
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| 287 | v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz; |
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| 288 | return decode_sequence_header_adv(v, gb); |
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| 289 | } else { |
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| 290 | v->chromaformat = 1; |
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| 291 | v->zz_8x4 = ff_wmv2_scantableA; |
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| 292 | v->zz_4x8 = ff_wmv2_scantableB; |
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| 293 | v->res_y411 = get_bits1(gb); |
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| 294 | v->res_sprite = get_bits1(gb); |
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| 295 | if (v->res_y411) { |
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| 296 | av_log(avctx, AV_LOG_ERROR, |
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| 297 | "Old interlaced mode is not supported\n"); |
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| 298 | return -1; |
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| 299 | } |
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| 300 | } |
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| 301 | |||
| 302 | // (fps-2)/4 (->30) |
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| 303 | v->frmrtq_postproc = get_bits(gb, 3); //common |
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| 304 | // (bitrate-32kbps)/64kbps |
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| 305 | v->bitrtq_postproc = get_bits(gb, 5); //common |
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| 306 | v->s.loop_filter = get_bits1(gb); //common |
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| 307 | if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) { |
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| 308 | av_log(avctx, AV_LOG_ERROR, |
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| 309 | "LOOPFILTER shall not be enabled in Simple Profile\n"); |
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| 310 | } |
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| 311 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
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| 312 | v->s.loop_filter = 0; |
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| 313 | |||
| 314 | v->res_x8 = get_bits1(gb); //reserved |
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| 315 | v->multires = get_bits1(gb); |
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| 316 | v->res_fasttx = get_bits1(gb); |
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| 317 | if (!v->res_fasttx) { |
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| 318 | v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8; |
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| 319 | v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add; |
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| 320 | v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add; |
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| 321 | v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add; |
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| 322 | v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8; |
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| 323 | v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add; |
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| 324 | v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add; |
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| 325 | v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add; |
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| 326 | } |
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| 327 | |||
| 328 | v->fastuvmc = get_bits1(gb); //common |
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| 329 | if (!v->profile && !v->fastuvmc) { |
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| 330 | av_log(avctx, AV_LOG_ERROR, |
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| 331 | "FASTUVMC unavailable in Simple Profile\n"); |
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| 332 | return -1; |
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| 333 | } |
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| 334 | v->extended_mv = get_bits1(gb); //common |
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| 335 | if (!v->profile && v->extended_mv) { |
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| 336 | av_log(avctx, AV_LOG_ERROR, |
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| 337 | "Extended MVs unavailable in Simple Profile\n"); |
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| 338 | return -1; |
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| 339 | } |
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| 340 | v->dquant = get_bits(gb, 2); //common |
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| 341 | v->vstransform = get_bits1(gb); //common |
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| 342 | |||
| 343 | v->res_transtab = get_bits1(gb); |
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| 344 | if (v->res_transtab) { |
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| 345 | av_log(avctx, AV_LOG_ERROR, |
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| 346 | "1 for reserved RES_TRANSTAB is forbidden\n"); |
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| 347 | return -1; |
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| 348 | } |
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| 349 | |||
| 350 | v->overlap = get_bits1(gb); //common |
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| 351 | |||
| 352 | v->resync_marker = get_bits1(gb); |
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| 353 | v->rangered = get_bits1(gb); |
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| 354 | if (v->rangered && v->profile == PROFILE_SIMPLE) { |
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| 355 | av_log(avctx, AV_LOG_INFO, |
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| 356 | "RANGERED should be set to 0 in Simple Profile\n"); |
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| 357 | } |
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| 358 | |||
| 359 | v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common |
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| 360 | v->quantizer_mode = get_bits(gb, 2); //common |
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| 361 | |||
| 362 | v->finterpflag = get_bits1(gb); //common |
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| 363 | |||
| 364 | if (v->res_sprite) { |
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| 365 | int w = get_bits(gb, 11); |
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| 366 | int h = get_bits(gb, 11); |
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| 367 | int ret = ff_set_dimensions(v->s.avctx, w, h); |
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| 368 | if (ret < 0) { |
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| 369 | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); |
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| 370 | return ret; |
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| 371 | } |
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| 372 | skip_bits(gb, 5); //frame rate |
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| 373 | v->res_x8 = get_bits1(gb); |
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| 374 | if (get_bits1(gb)) { // something to do with DC VLC selection |
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| 375 | av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n"); |
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| 376 | return -1; |
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| 377 | } |
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| 378 | skip_bits(gb, 3); //slice code |
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| 379 | v->res_rtm_flag = 0; |
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| 380 | } else { |
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| 381 | v->res_rtm_flag = get_bits1(gb); //reserved |
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| 382 | } |
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| 383 | if (!v->res_rtm_flag) { |
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| 384 | av_log(avctx, AV_LOG_ERROR, |
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| 385 | "Old WMV3 version detected, some frames may be decoded incorrectly\n"); |
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| 386 | //return -1; |
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| 387 | } |
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| 388 | //TODO: figure out what they mean (always 0x402F) |
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| 389 | if (!v->res_fasttx) |
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| 390 | skip_bits(gb, 16); |
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| 391 | av_log(avctx, AV_LOG_DEBUG, |
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| 392 | "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" |
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| 393 | "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" |
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| 394 | "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" |
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| 395 | "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n", |
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| 396 | v->profile, v->frmrtq_postproc, v->bitrtq_postproc, |
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| 397 | v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, |
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| 398 | v->rangered, v->vstransform, v->overlap, v->resync_marker, |
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| 399 | v->dquant, v->quantizer_mode, avctx->max_b_frames); |
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| 400 | return 0; |
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| 401 | } |
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| 402 | |||
| 403 | static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) |
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| 404 | { |
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| 405 | v->res_rtm_flag = 1; |
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| 406 | v->level = get_bits(gb, 3); |
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| 407 | if (v->level >= 5) { |
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| 408 | av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level); |
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| 409 | } |
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| 410 | v->chromaformat = get_bits(gb, 2); |
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| 411 | if (v->chromaformat != 1) { |
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| 412 | av_log(v->s.avctx, AV_LOG_ERROR, |
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| 413 | "Only 4:2:0 chroma format supported\n"); |
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| 414 | return -1; |
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| 415 | } |
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| 416 | |||
| 417 | // (fps-2)/4 (->30) |
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| 418 | v->frmrtq_postproc = get_bits(gb, 3); //common |
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| 419 | // (bitrate-32kbps)/64kbps |
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| 420 | v->bitrtq_postproc = get_bits(gb, 5); //common |
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| 421 | v->postprocflag = get_bits1(gb); //common |
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| 422 | |||
| 423 | v->max_coded_width = (get_bits(gb, 12) + 1) << 1; |
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| 424 | v->max_coded_height = (get_bits(gb, 12) + 1) << 1; |
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| 425 | v->broadcast = get_bits1(gb); |
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| 426 | v->interlace = get_bits1(gb); |
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| 427 | v->tfcntrflag = get_bits1(gb); |
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| 428 | v->finterpflag = get_bits1(gb); |
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| 429 | skip_bits1(gb); // reserved |
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| 430 | |||
| 431 | av_log(v->s.avctx, AV_LOG_DEBUG, |
||
| 432 | "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" |
||
| 433 | "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" |
||
| 434 | "TFCTRflag=%i, FINTERPflag=%i\n", |
||
| 435 | v->level, v->frmrtq_postproc, v->bitrtq_postproc, |
||
| 436 | v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, |
||
| 437 | v->tfcntrflag, v->finterpflag); |
||
| 438 | |||
| 439 | v->psf = get_bits1(gb); |
||
| 440 | if (v->psf) { //PsF, 6.1.13 |
||
| 441 | av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n"); |
||
| 442 | return -1; |
||
| 443 | } |
||
| 444 | v->s.max_b_frames = v->s.avctx->max_b_frames = 7; |
||
| 445 | if (get_bits1(gb)) { //Display Info - decoding is not affected by it |
||
| 446 | int w, h, ar = 0; |
||
| 447 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n"); |
||
| 448 | w = get_bits(gb, 14) + 1; |
||
| 449 | h = get_bits(gb, 14) + 1; |
||
| 450 | av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h); |
||
| 451 | if (get_bits1(gb)) |
||
| 452 | ar = get_bits(gb, 4); |
||
| 453 | if (ar && ar < 14) { |
||
| 454 | v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar]; |
||
| 455 | } else if (ar == 15) { |
||
| 456 | w = get_bits(gb, 8) + 1; |
||
| 457 | h = get_bits(gb, 8) + 1; |
||
| 458 | v->s.avctx->sample_aspect_ratio = (AVRational){w, h}; |
||
| 459 | } else { |
||
| 460 | av_reduce(&v->s.avctx->sample_aspect_ratio.num, |
||
| 461 | &v->s.avctx->sample_aspect_ratio.den, |
||
| 462 | v->s.avctx->height * w, |
||
| 463 | v->s.avctx->width * h, |
||
| 464 | 1 << 30); |
||
| 465 | } |
||
| 466 | ff_set_sar(v->s.avctx, v->s.avctx->sample_aspect_ratio); |
||
| 467 | av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", |
||
| 468 | v->s.avctx->sample_aspect_ratio.num, |
||
| 469 | v->s.avctx->sample_aspect_ratio.den); |
||
| 470 | |||
| 471 | if (get_bits1(gb)) { //framerate stuff |
||
| 472 | if (get_bits1(gb)) { |
||
| 473 | v->s.avctx->framerate.den = 32; |
||
| 474 | v->s.avctx->framerate.num = get_bits(gb, 16) + 1; |
||
| 475 | } else { |
||
| 476 | int nr, dr; |
||
| 477 | nr = get_bits(gb, 8); |
||
| 478 | dr = get_bits(gb, 4); |
||
| 479 | if (nr > 0 && nr < 8 && dr > 0 && dr < 3) { |
||
| 480 | v->s.avctx->framerate.den = ff_vc1_fps_dr[dr - 1]; |
||
| 481 | v->s.avctx->framerate.num = ff_vc1_fps_nr[nr - 1] * 1000; |
||
| 482 | } |
||
| 483 | } |
||
| 484 | if (v->broadcast) { // Pulldown may be present |
||
| 485 | v->s.avctx->ticks_per_frame = 2; |
||
| 486 | } |
||
| 487 | } |
||
| 488 | |||
| 489 | if (get_bits1(gb)) { |
||
| 490 | v->color_prim = get_bits(gb, 8); |
||
| 491 | v->transfer_char = get_bits(gb, 8); |
||
| 492 | v->matrix_coef = get_bits(gb, 8); |
||
| 493 | } |
||
| 494 | } |
||
| 495 | |||
| 496 | v->hrd_param_flag = get_bits1(gb); |
||
| 497 | if (v->hrd_param_flag) { |
||
| 498 | int i; |
||
| 499 | v->hrd_num_leaky_buckets = get_bits(gb, 5); |
||
| 500 | skip_bits(gb, 4); //bitrate exponent |
||
| 501 | skip_bits(gb, 4); //buffer size exponent |
||
| 502 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
||
| 503 | skip_bits(gb, 16); //hrd_rate[n] |
||
| 504 | skip_bits(gb, 16); //hrd_buffer[n] |
||
| 505 | } |
||
| 506 | } |
||
| 507 | return 0; |
||
| 508 | } |
||
| 509 | |||
| 510 | int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) |
||
| 511 | { |
||
| 512 | int i; |
||
| 513 | int w,h; |
||
| 514 | int ret; |
||
| 515 | |||
| 516 | av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); |
||
| 517 | v->broken_link = get_bits1(gb); |
||
| 518 | v->closed_entry = get_bits1(gb); |
||
| 519 | v->panscanflag = get_bits1(gb); |
||
| 520 | v->refdist_flag = get_bits1(gb); |
||
| 521 | v->s.loop_filter = get_bits1(gb); |
||
| 522 | if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
||
| 523 | v->s.loop_filter = 0; |
||
| 524 | v->fastuvmc = get_bits1(gb); |
||
| 525 | v->extended_mv = get_bits1(gb); |
||
| 526 | v->dquant = get_bits(gb, 2); |
||
| 527 | v->vstransform = get_bits1(gb); |
||
| 528 | v->overlap = get_bits1(gb); |
||
| 529 | v->quantizer_mode = get_bits(gb, 2); |
||
| 530 | |||
| 531 | if (v->hrd_param_flag) { |
||
| 532 | for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
||
| 533 | skip_bits(gb, 8); //hrd_full[n] |
||
| 534 | } |
||
| 535 | } |
||
| 536 | |||
| 537 | if(get_bits1(gb)){ |
||
| 538 | w = (get_bits(gb, 12)+1)<<1; |
||
| 539 | h = (get_bits(gb, 12)+1)<<1; |
||
| 540 | } else { |
||
| 541 | w = v->max_coded_width; |
||
| 542 | h = v->max_coded_height; |
||
| 543 | } |
||
| 544 | if ((ret = ff_set_dimensions(avctx, w, h)) < 0) { |
||
| 545 | av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); |
||
| 546 | return ret; |
||
| 547 | } |
||
| 548 | |||
| 549 | if (v->extended_mv) |
||
| 550 | v->extended_dmv = get_bits1(gb); |
||
| 551 | if ((v->range_mapy_flag = get_bits1(gb))) { |
||
| 552 | av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n"); |
||
| 553 | v->range_mapy = get_bits(gb, 3); |
||
| 554 | } |
||
| 555 | if ((v->range_mapuv_flag = get_bits1(gb))) { |
||
| 556 | av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n"); |
||
| 557 | v->range_mapuv = get_bits(gb, 3); |
||
| 558 | } |
||
| 559 | |||
| 560 | av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n" |
||
| 561 | "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" |
||
| 562 | "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" |
||
| 563 | "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", |
||
| 564 | v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, |
||
| 565 | v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); |
||
| 566 | |||
| 567 | return 0; |
||
| 568 | } |
||
| 569 | |||
| 570 | /* fill lookup tables for intensity compensation */ |
||
| 571 | #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \ |
||
| 572 | int scale, shift, i; \ |
||
| 573 | if (!lumscale) { \ |
||
| 574 | scale = -64; \ |
||
| 575 | shift = (255 - lumshift * 2) * 64; \ |
||
| 576 | if (lumshift > 31) \ |
||
| 577 | shift += 128 << 6; \ |
||
| 578 | } else { \ |
||
| 579 | scale = lumscale + 32; \ |
||
| 580 | if (lumshift > 31) \ |
||
| 581 | shift = (lumshift - 64) * 64; \ |
||
| 582 | else \ |
||
| 583 | shift = lumshift << 6; \ |
||
| 584 | } \ |
||
| 585 | for (i = 0; i < 256; i++) { \ |
||
| 586 | int iy = chain ? luty[i] : i; \ |
||
| 587 | int iu = chain ? lutuv[i] : i; \ |
||
| 588 | luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \ |
||
| 589 | lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\ |
||
| 590 | } \ |
||
| 591 | } while(0) |
||
| 592 | |||
| 593 | static void rotate_luts(VC1Context *v) |
||
| 594 | { |
||
| 595 | #define ROTATE(DEF, L, N, C, A) do { \ |
||
| 596 | if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \ |
||
| 597 | C = A; \ |
||
| 598 | } else { \ |
||
| 599 | DEF; \ |
||
| 600 | memcpy(&tmp, L , sizeof(tmp)); \ |
||
| 601 | memcpy(L , N , sizeof(tmp)); \ |
||
| 602 | memcpy(N , &tmp, sizeof(tmp)); \ |
||
| 603 | C = N; \ |
||
| 604 | } \ |
||
| 605 | } while(0) |
||
| 606 | |||
| 607 | ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic); |
||
| 608 | ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty); |
||
| 609 | ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv); |
||
| 610 | |||
| 611 | INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0); |
||
| 612 | INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0); |
||
| 613 | *v->curr_use_ic = 0; |
||
| 614 | } |
||
| 615 | |||
| 616 | static int read_bfraction(VC1Context *v, GetBitContext* gb) { |
||
| 617 | int bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); |
||
| 618 | |||
| 619 | if (bfraction_lut_index == 21 || bfraction_lut_index < 0) { |
||
| 620 | av_log(v->s.avctx, AV_LOG_ERROR, "bfraction invalid\n"); |
||
| 621 | return AVERROR_INVALIDDATA; |
||
| 622 | } |
||
| 623 | v->bfraction_lut_index = bfraction_lut_index; |
||
| 624 | v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; |
||
| 625 | return 0; |
||
| 626 | } |
||
| 627 | |||
| 628 | int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) |
||
| 629 | { |
||
| 630 | int pqindex, lowquant, status; |
||
| 631 | |||
| 632 | v->field_mode = 0; |
||
| 633 | v->fcm = 0; |
||
| 634 | if (v->finterpflag) |
||
| 635 | v->interpfrm = get_bits1(gb); |
||
| 636 | if (!v->s.avctx->codec) |
||
| 637 | return -1; |
||
| 638 | if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2) |
||
| 639 | v->respic = |
||
| 640 | v->rangered = |
||
| 641 | v->multires = get_bits(gb, 2) == 1; |
||
| 642 | else |
||
| 643 | skip_bits(gb, 2); //framecnt unused |
||
| 644 | v->rangeredfrm = 0; |
||
| 645 | if (v->rangered) |
||
| 646 | v->rangeredfrm = get_bits1(gb); |
||
| 647 | if (get_bits1(gb)) { |
||
| 648 | v->s.pict_type = AV_PICTURE_TYPE_P; |
||
| 649 | } else { |
||
| 650 | if (v->s.avctx->max_b_frames && !get_bits1(gb)) { |
||
| 651 | v->s.pict_type = AV_PICTURE_TYPE_B; |
||
| 652 | } else |
||
| 653 | v->s.pict_type = AV_PICTURE_TYPE_I; |
||
| 654 | } |
||
| 655 | |||
| 656 | v->bi_type = 0; |
||
| 657 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
||
| 658 | if (read_bfraction(v, gb) < 0) |
||
| 659 | return AVERROR_INVALIDDATA; |
||
| 660 | if (v->bfraction == 0) { |
||
| 661 | v->s.pict_type = AV_PICTURE_TYPE_BI; |
||
| 662 | } |
||
| 663 | } |
||
| 664 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
||
| 665 | skip_bits(gb, 7); // skip buffer fullness |
||
| 666 | |||
| 667 | if (v->parse_only) |
||
| 668 | return 0; |
||
| 669 | |||
| 670 | /* calculate RND */ |
||
| 671 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
||
| 672 | v->rnd = 1; |
||
| 673 | if (v->s.pict_type == AV_PICTURE_TYPE_P) |
||
| 674 | v->rnd ^= 1; |
||
| 675 | |||
| 676 | /* Quantizer stuff */ |
||
| 677 | pqindex = get_bits(gb, 5); |
||
| 678 | if (!pqindex) |
||
| 679 | return -1; |
||
| 680 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
||
| 681 | v->pq = ff_vc1_pquant_table[0][pqindex]; |
||
| 682 | else |
||
| 683 | v->pq = ff_vc1_pquant_table[1][pqindex]; |
||
| 684 | v->pqindex = pqindex; |
||
| 685 | if (pqindex < 9) |
||
| 686 | v->halfpq = get_bits1(gb); |
||
| 687 | else |
||
| 688 | v->halfpq = 0; |
||
| 689 | switch (v->quantizer_mode) { |
||
| 690 | case QUANT_FRAME_IMPLICIT: |
||
| 691 | v->pquantizer = pqindex < 9; |
||
| 692 | break; |
||
| 693 | case QUANT_NON_UNIFORM: |
||
| 694 | v->pquantizer = 0; |
||
| 695 | break; |
||
| 696 | case QUANT_FRAME_EXPLICIT: |
||
| 697 | v->pquantizer = get_bits1(gb); |
||
| 698 | break; |
||
| 699 | default: |
||
| 700 | v->pquantizer = 1; |
||
| 701 | break; |
||
| 702 | } |
||
| 703 | v->dquantfrm = 0; |
||
| 704 | if (v->extended_mv == 1) |
||
| 705 | v->mvrange = get_unary(gb, 0, 3); |
||
| 706 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
||
| 707 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
||
| 708 | v->range_x = 1 << (v->k_x - 1); |
||
| 709 | v->range_y = 1 << (v->k_y - 1); |
||
| 710 | if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B) |
||
| 711 | v->respic = get_bits(gb, 2); |
||
| 712 | |||
| 713 | if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
||
| 714 | v->x8_type = get_bits1(gb); |
||
| 715 | } else |
||
| 716 | v->x8_type = 0; |
||
| 717 | ff_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n", |
||
| 718 | (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), |
||
| 719 | pqindex, v->pq, v->halfpq, v->rangeredfrm); |
||
| 720 | |||
| 721 | if (v->first_pic_header_flag) |
||
| 722 | rotate_luts(v); |
||
| 723 | |||
| 724 | switch (v->s.pict_type) { |
||
| 725 | case AV_PICTURE_TYPE_P: |
||
| 726 | v->tt_index = (v->pq > 4) + (v->pq > 12); |
||
| 727 | |||
| 728 | lowquant = (v->pq > 12) ? 0 : 1; |
||
| 729 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)]; |
||
| 730 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
||
| 731 | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)]; |
||
| 732 | v->lumscale = get_bits(gb, 6); |
||
| 733 | v->lumshift = get_bits(gb, 6); |
||
| 734 | v->last_use_ic = 1; |
||
| 735 | /* fill lookup tables for intensity compensation */ |
||
| 736 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); |
||
| 737 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); |
||
| 738 | } |
||
| 739 | v->qs_last = v->s.quarter_sample; |
||
| 740 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
||
| 741 | v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && |
||
| 742 | v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
||
| 743 | v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
||
| 744 | } else { |
||
| 745 | v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
||
| 746 | v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
||
| 747 | v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
||
| 748 | } |
||
| 749 | |||
| 750 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
||
| 751 | v->mv_mode2 == MV_PMODE_MIXED_MV) || |
||
| 752 | v->mv_mode == MV_PMODE_MIXED_MV) { |
||
| 753 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); |
||
| 754 | if (status < 0) |
||
| 755 | return -1; |
||
| 756 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " |
||
| 757 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 758 | } else { |
||
| 759 | v->mv_type_is_raw = 0; |
||
| 760 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); |
||
| 761 | } |
||
| 762 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 763 | if (status < 0) |
||
| 764 | return -1; |
||
| 765 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
||
| 766 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 767 | |||
| 768 | /* Hopefully this is correct for P frames */ |
||
| 769 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables |
||
| 770 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
||
| 771 | |||
| 772 | if (v->dquant) { |
||
| 773 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
||
| 774 | vop_dquant_decoding(v); |
||
| 775 | } |
||
| 776 | |||
| 777 | if (v->vstransform) { |
||
| 778 | v->ttmbf = get_bits1(gb); |
||
| 779 | if (v->ttmbf) { |
||
| 780 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
||
| 781 | } else |
||
| 782 | v->ttfrm = 0; //FIXME Is that so ? |
||
| 783 | } else { |
||
| 784 | v->ttmbf = 1; |
||
| 785 | v->ttfrm = TT_8X8; |
||
| 786 | } |
||
| 787 | break; |
||
| 788 | case AV_PICTURE_TYPE_B: |
||
| 789 | v->tt_index = (v->pq > 4) + (v->pq > 12); |
||
| 790 | |||
| 791 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; |
||
| 792 | v->qs_last = v->s.quarter_sample; |
||
| 793 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); |
||
| 794 | v->s.mspel = v->s.quarter_sample; |
||
| 795 | |||
| 796 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
||
| 797 | if (status < 0) |
||
| 798 | return -1; |
||
| 799 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
||
| 800 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 801 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 802 | if (status < 0) |
||
| 803 | return -1; |
||
| 804 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
||
| 805 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 806 | |||
| 807 | v->s.mv_table_index = get_bits(gb, 2); |
||
| 808 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
||
| 809 | |||
| 810 | if (v->dquant) { |
||
| 811 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
||
| 812 | vop_dquant_decoding(v); |
||
| 813 | } |
||
| 814 | |||
| 815 | if (v->vstransform) { |
||
| 816 | v->ttmbf = get_bits1(gb); |
||
| 817 | if (v->ttmbf) { |
||
| 818 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
||
| 819 | } else |
||
| 820 | v->ttfrm = 0; |
||
| 821 | } else { |
||
| 822 | v->ttmbf = 1; |
||
| 823 | v->ttfrm = TT_8X8; |
||
| 824 | } |
||
| 825 | break; |
||
| 826 | } |
||
| 827 | |||
| 828 | if (!v->x8_type) { |
||
| 829 | /* AC Syntax */ |
||
| 830 | v->c_ac_table_index = decode012(gb); |
||
| 831 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
||
| 832 | v->y_ac_table_index = decode012(gb); |
||
| 833 | } |
||
| 834 | /* DC Syntax */ |
||
| 835 | v->s.dc_table_index = get_bits1(gb); |
||
| 836 | } |
||
| 837 | |||
| 838 | if (v->s.pict_type == AV_PICTURE_TYPE_BI) { |
||
| 839 | v->s.pict_type = AV_PICTURE_TYPE_B; |
||
| 840 | v->bi_type = 1; |
||
| 841 | } |
||
| 842 | return 0; |
||
| 843 | } |
||
| 844 | |||
| 845 | int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) |
||
| 846 | { |
||
| 847 | int pqindex, lowquant; |
||
| 848 | int status; |
||
| 849 | int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */ |
||
| 850 | int field_mode, fcm; |
||
| 851 | |||
| 852 | v->numref = 0; |
||
| 853 | v->p_frame_skipped = 0; |
||
| 854 | if (v->second_field) { |
||
| 855 | if (v->fcm != ILACE_FIELD || v->field_mode!=1) |
||
| 856 | return -1; |
||
| 857 | if (v->fptype & 4) |
||
| 858 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
||
| 859 | else |
||
| 860 | v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
||
| 861 | v->s.current_picture_ptr->f->pict_type = v->s.pict_type; |
||
| 862 | if (!v->pic_header_flag) |
||
| 863 | goto parse_common_info; |
||
| 864 | } |
||
| 865 | |||
| 866 | field_mode = 0; |
||
| 867 | if (v->interlace) { |
||
| 868 | fcm = decode012(gb); |
||
| 869 | if (fcm) { |
||
| 870 | if (fcm == ILACE_FIELD) |
||
| 871 | field_mode = 1; |
||
| 872 | } |
||
| 873 | } else { |
||
| 874 | fcm = PROGRESSIVE; |
||
| 875 | } |
||
| 876 | if (!v->first_pic_header_flag && v->field_mode != field_mode) |
||
| 877 | return AVERROR_INVALIDDATA; |
||
| 878 | v->field_mode = field_mode; |
||
| 879 | v->fcm = fcm; |
||
| 880 | |||
| 881 | av_assert0( v->s.mb_height == v->s.height + 15 >> 4 |
||
| 882 | || v->s.mb_height == FFALIGN(v->s.height + 15 >> 4, 2)); |
||
| 883 | if (v->field_mode) { |
||
| 884 | v->s.mb_height = FFALIGN(v->s.height + 15 >> 4, 2); |
||
| 885 | v->fptype = get_bits(gb, 3); |
||
| 886 | if (v->fptype & 4) // B-picture |
||
| 887 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
||
| 888 | else |
||
| 889 | v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
||
| 890 | } else { |
||
| 891 | v->s.mb_height = v->s.height + 15 >> 4; |
||
| 892 | switch (get_unary(gb, 0, 4)) { |
||
| 893 | case 0: |
||
| 894 | v->s.pict_type = AV_PICTURE_TYPE_P; |
||
| 895 | break; |
||
| 896 | case 1: |
||
| 897 | v->s.pict_type = AV_PICTURE_TYPE_B; |
||
| 898 | break; |
||
| 899 | case 2: |
||
| 900 | v->s.pict_type = AV_PICTURE_TYPE_I; |
||
| 901 | break; |
||
| 902 | case 3: |
||
| 903 | v->s.pict_type = AV_PICTURE_TYPE_BI; |
||
| 904 | break; |
||
| 905 | case 4: |
||
| 906 | v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic |
||
| 907 | v->p_frame_skipped = 1; |
||
| 908 | break; |
||
| 909 | } |
||
| 910 | } |
||
| 911 | if (v->tfcntrflag) |
||
| 912 | skip_bits(gb, 8); |
||
| 913 | if (v->broadcast) { |
||
| 914 | if (!v->interlace || v->psf) { |
||
| 915 | v->rptfrm = get_bits(gb, 2); |
||
| 916 | } else { |
||
| 917 | v->tff = get_bits1(gb); |
||
| 918 | v->rff = get_bits1(gb); |
||
| 919 | } |
||
| 920 | } else { |
||
| 921 | v->tff = 1; |
||
| 922 | } |
||
| 923 | if (v->panscanflag) { |
||
| 924 | avpriv_report_missing_feature(v->s.avctx, "Pan-scan"); |
||
| 925 | //... |
||
| 926 | } |
||
| 927 | if (v->p_frame_skipped) { |
||
| 928 | return 0; |
||
| 929 | } |
||
| 930 | v->rnd = get_bits1(gb); |
||
| 931 | if (v->interlace) |
||
| 932 | v->uvsamp = get_bits1(gb); |
||
| 933 | if(!ff_vc1_bfraction_vlc.table) |
||
| 934 | return 0; //parsing only, vlc tables havnt been allocated |
||
| 935 | if (v->field_mode) { |
||
| 936 | if (!v->refdist_flag) |
||
| 937 | v->refdist = 0; |
||
| 938 | else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) { |
||
| 939 | v->refdist = get_bits(gb, 2); |
||
| 940 | if (v->refdist == 3) |
||
| 941 | v->refdist += get_unary(gb, 0, 16); |
||
| 942 | } |
||
| 943 | if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
||
| 944 | if (read_bfraction(v, gb) < 0) |
||
| 945 | return AVERROR_INVALIDDATA; |
||
| 946 | v->frfd = (v->bfraction * v->refdist) >> 8; |
||
| 947 | v->brfd = v->refdist - v->frfd - 1; |
||
| 948 | if (v->brfd < 0) |
||
| 949 | v->brfd = 0; |
||
| 950 | } |
||
| 951 | goto parse_common_info; |
||
| 952 | } |
||
| 953 | if (v->fcm == PROGRESSIVE) { |
||
| 954 | if (v->finterpflag) |
||
| 955 | v->interpfrm = get_bits1(gb); |
||
| 956 | if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
||
| 957 | if (read_bfraction(v, gb) < 0) |
||
| 958 | return AVERROR_INVALIDDATA; |
||
| 959 | if (v->bfraction == 0) { |
||
| 960 | v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ |
||
| 961 | } |
||
| 962 | } |
||
| 963 | } |
||
| 964 | |||
| 965 | parse_common_info: |
||
| 966 | if (v->field_mode) |
||
| 967 | v->cur_field_type = !(v->tff ^ v->second_field); |
||
| 968 | pqindex = get_bits(gb, 5); |
||
| 969 | if (!pqindex) |
||
| 970 | return -1; |
||
| 971 | if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
||
| 972 | v->pq = ff_vc1_pquant_table[0][pqindex]; |
||
| 973 | else |
||
| 974 | v->pq = ff_vc1_pquant_table[1][pqindex]; |
||
| 975 | v->pqindex = pqindex; |
||
| 976 | if (pqindex < 9) |
||
| 977 | v->halfpq = get_bits1(gb); |
||
| 978 | else |
||
| 979 | v->halfpq = 0; |
||
| 980 | switch (v->quantizer_mode) { |
||
| 981 | case QUANT_FRAME_IMPLICIT: |
||
| 982 | v->pquantizer = pqindex < 9; |
||
| 983 | break; |
||
| 984 | case QUANT_NON_UNIFORM: |
||
| 985 | v->pquantizer = 0; |
||
| 986 | break; |
||
| 987 | case QUANT_FRAME_EXPLICIT: |
||
| 988 | v->pquantizer = get_bits1(gb); |
||
| 989 | break; |
||
| 990 | default: |
||
| 991 | v->pquantizer = 1; |
||
| 992 | break; |
||
| 993 | } |
||
| 994 | if (v->postprocflag) |
||
| 995 | v->postproc = get_bits(gb, 2); |
||
| 996 | |||
| 997 | if (v->parse_only) |
||
| 998 | return 0; |
||
| 999 | |||
| 1000 | if (v->first_pic_header_flag) |
||
| 1001 | rotate_luts(v); |
||
| 1002 | |||
| 1003 | switch (v->s.pict_type) { |
||
| 1004 | case AV_PICTURE_TYPE_I: |
||
| 1005 | case AV_PICTURE_TYPE_BI: |
||
| 1006 | if (v->fcm == ILACE_FRAME) { //interlace frame picture |
||
| 1007 | status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v); |
||
| 1008 | if (status < 0) |
||
| 1009 | return -1; |
||
| 1010 | av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: " |
||
| 1011 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1012 | } |
||
| 1013 | status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v); |
||
| 1014 | if (status < 0) |
||
| 1015 | return -1; |
||
| 1016 | av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " |
||
| 1017 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1018 | v->condover = CONDOVER_NONE; |
||
| 1019 | if (v->overlap && v->pq <= 8) { |
||
| 1020 | v->condover = decode012(gb); |
||
| 1021 | if (v->condover == CONDOVER_SELECT) { |
||
| 1022 | status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v); |
||
| 1023 | if (status < 0) |
||
| 1024 | return -1; |
||
| 1025 | av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: " |
||
| 1026 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1027 | } |
||
| 1028 | } |
||
| 1029 | break; |
||
| 1030 | case AV_PICTURE_TYPE_P: |
||
| 1031 | if (v->field_mode) { |
||
| 1032 | v->numref = get_bits1(gb); |
||
| 1033 | if (!v->numref) { |
||
| 1034 | v->reffield = get_bits1(gb); |
||
| 1035 | v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; |
||
| 1036 | } |
||
| 1037 | } |
||
| 1038 | if (v->extended_mv) |
||
| 1039 | v->mvrange = get_unary(gb, 0, 3); |
||
| 1040 | else |
||
| 1041 | v->mvrange = 0; |
||
| 1042 | if (v->interlace) { |
||
| 1043 | if (v->extended_dmv) |
||
| 1044 | v->dmvrange = get_unary(gb, 0, 3); |
||
| 1045 | else |
||
| 1046 | v->dmvrange = 0; |
||
| 1047 | if (v->fcm == ILACE_FRAME) { // interlaced frame picture |
||
| 1048 | v->fourmvswitch = get_bits1(gb); |
||
| 1049 | v->intcomp = get_bits1(gb); |
||
| 1050 | if (v->intcomp) { |
||
| 1051 | v->lumscale = get_bits(gb, 6); |
||
| 1052 | v->lumshift = get_bits(gb, 6); |
||
| 1053 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); |
||
| 1054 | INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); |
||
| 1055 | v->last_use_ic = 1; |
||
| 1056 | } |
||
| 1057 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 1058 | av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: " |
||
| 1059 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1060 | mbmodetab = get_bits(gb, 2); |
||
| 1061 | if (v->fourmvswitch) |
||
| 1062 | v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab]; |
||
| 1063 | else |
||
| 1064 | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; |
||
| 1065 | imvtab = get_bits(gb, 2); |
||
| 1066 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
||
| 1067 | // interlaced p-picture cbpcy range is [1, 63] |
||
| 1068 | icbptab = get_bits(gb, 3); |
||
| 1069 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
||
| 1070 | twomvbptab = get_bits(gb, 2); |
||
| 1071 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; |
||
| 1072 | if (v->fourmvswitch) { |
||
| 1073 | fourmvbptab = get_bits(gb, 2); |
||
| 1074 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
||
| 1075 | } |
||
| 1076 | } |
||
| 1077 | } |
||
| 1078 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
||
| 1079 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
||
| 1080 | v->range_x = 1 << (v->k_x - 1); |
||
| 1081 | v->range_y = 1 << (v->k_y - 1); |
||
| 1082 | |||
| 1083 | v->tt_index = (v->pq > 4) + (v->pq > 12); |
||
| 1084 | if (v->fcm != ILACE_FRAME) { |
||
| 1085 | int mvmode; |
||
| 1086 | mvmode = get_unary(gb, 1, 4); |
||
| 1087 | lowquant = (v->pq > 12) ? 0 : 1; |
||
| 1088 | v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode]; |
||
| 1089 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
||
| 1090 | int mvmode2; |
||
| 1091 | mvmode2 = get_unary(gb, 1, 3); |
||
| 1092 | v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2]; |
||
| 1093 | if (v->field_mode) { |
||
| 1094 | v->intcompfield = decode210(gb) ^ 3; |
||
| 1095 | } else |
||
| 1096 | v->intcompfield = 3; |
||
| 1097 | |||
| 1098 | v->lumscale2 = v->lumscale = 32; |
||
| 1099 | v->lumshift2 = v->lumshift = 0; |
||
| 1100 | if (v->intcompfield & 1) { |
||
| 1101 | v->lumscale = get_bits(gb, 6); |
||
| 1102 | v->lumshift = get_bits(gb, 6); |
||
| 1103 | } |
||
| 1104 | if ((v->intcompfield & 2) && v->field_mode) { |
||
| 1105 | v->lumscale2 = get_bits(gb, 6); |
||
| 1106 | v->lumshift2 = get_bits(gb, 6); |
||
| 1107 | } else if(!v->field_mode) { |
||
| 1108 | v->lumscale2 = v->lumscale; |
||
| 1109 | v->lumshift2 = v->lumshift; |
||
| 1110 | } |
||
| 1111 | if (v->field_mode && v->second_field) { |
||
| 1112 | if (v->cur_field_type) { |
||
| 1113 | INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); |
||
| 1114 | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); |
||
| 1115 | } else { |
||
| 1116 | INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); |
||
| 1117 | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); |
||
| 1118 | } |
||
| 1119 | v->next_use_ic = *v->curr_use_ic = 1; |
||
| 1120 | } else { |
||
| 1121 | INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1); |
||
| 1122 | INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1); |
||
| 1123 | } |
||
| 1124 | v->last_use_ic = 1; |
||
| 1125 | } |
||
| 1126 | v->qs_last = v->s.quarter_sample; |
||
| 1127 | if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
||
| 1128 | v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && |
||
| 1129 | v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
||
| 1130 | v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
||
| 1131 | } else { |
||
| 1132 | v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
||
| 1133 | v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
||
| 1134 | v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
||
| 1135 | } |
||
| 1136 | } |
||
| 1137 | if (v->fcm == PROGRESSIVE) { // progressive |
||
| 1138 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
||
| 1139 | v->mv_mode2 == MV_PMODE_MIXED_MV) |
||
| 1140 | || v->mv_mode == MV_PMODE_MIXED_MV) { |
||
| 1141 | status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); |
||
| 1142 | if (status < 0) |
||
| 1143 | return -1; |
||
| 1144 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " |
||
| 1145 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1146 | } else { |
||
| 1147 | v->mv_type_is_raw = 0; |
||
| 1148 | memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); |
||
| 1149 | } |
||
| 1150 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 1151 | if (status < 0) |
||
| 1152 | return -1; |
||
| 1153 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
||
| 1154 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1155 | |||
| 1156 | /* Hopefully this is correct for P frames */ |
||
| 1157 | v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables |
||
| 1158 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
||
| 1159 | } else if (v->fcm == ILACE_FRAME) { // frame interlaced |
||
| 1160 | v->qs_last = v->s.quarter_sample; |
||
| 1161 | v->s.quarter_sample = 1; |
||
| 1162 | v->s.mspel = 1; |
||
| 1163 | } else { // field interlaced |
||
| 1164 | mbmodetab = get_bits(gb, 3); |
||
| 1165 | imvtab = get_bits(gb, 2 + v->numref); |
||
| 1166 | if (!v->numref) |
||
| 1167 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
||
| 1168 | else |
||
| 1169 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; |
||
| 1170 | icbptab = get_bits(gb, 3); |
||
| 1171 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
||
| 1172 | if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
||
| 1173 | v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { |
||
| 1174 | fourmvbptab = get_bits(gb, 2); |
||
| 1175 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
||
| 1176 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; |
||
| 1177 | } else { |
||
| 1178 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; |
||
| 1179 | } |
||
| 1180 | } |
||
| 1181 | if (v->dquant) { |
||
| 1182 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
||
| 1183 | vop_dquant_decoding(v); |
||
| 1184 | } |
||
| 1185 | |||
| 1186 | if (v->vstransform) { |
||
| 1187 | v->ttmbf = get_bits1(gb); |
||
| 1188 | if (v->ttmbf) { |
||
| 1189 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
||
| 1190 | } else |
||
| 1191 | v->ttfrm = 0; //FIXME Is that so ? |
||
| 1192 | } else { |
||
| 1193 | v->ttmbf = 1; |
||
| 1194 | v->ttfrm = TT_8X8; |
||
| 1195 | } |
||
| 1196 | break; |
||
| 1197 | case AV_PICTURE_TYPE_B: |
||
| 1198 | if (v->fcm == ILACE_FRAME) { |
||
| 1199 | if (read_bfraction(v, gb) < 0) |
||
| 1200 | return AVERROR_INVALIDDATA; |
||
| 1201 | if (v->bfraction == 0) { |
||
| 1202 | return -1; |
||
| 1203 | } |
||
| 1204 | } |
||
| 1205 | if (v->extended_mv) |
||
| 1206 | v->mvrange = get_unary(gb, 0, 3); |
||
| 1207 | else |
||
| 1208 | v->mvrange = 0; |
||
| 1209 | v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
||
| 1210 | v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
||
| 1211 | v->range_x = 1 << (v->k_x - 1); |
||
| 1212 | v->range_y = 1 << (v->k_y - 1); |
||
| 1213 | |||
| 1214 | v->tt_index = (v->pq > 4) + (v->pq > 12); |
||
| 1215 | |||
| 1216 | if (v->field_mode) { |
||
| 1217 | int mvmode; |
||
| 1218 | av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n"); |
||
| 1219 | if (v->extended_dmv) |
||
| 1220 | v->dmvrange = get_unary(gb, 0, 3); |
||
| 1221 | mvmode = get_unary(gb, 1, 3); |
||
| 1222 | lowquant = (v->pq > 12) ? 0 : 1; |
||
| 1223 | v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; |
||
| 1224 | v->qs_last = v->s.quarter_sample; |
||
| 1225 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV); |
||
| 1226 | v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL); |
||
| 1227 | status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v); |
||
| 1228 | if (status < 0) |
||
| 1229 | return -1; |
||
| 1230 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: " |
||
| 1231 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1232 | mbmodetab = get_bits(gb, 3); |
||
| 1233 | if (v->mv_mode == MV_PMODE_MIXED_MV) |
||
| 1234 | v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; |
||
| 1235 | else |
||
| 1236 | v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; |
||
| 1237 | imvtab = get_bits(gb, 3); |
||
| 1238 | v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; |
||
| 1239 | icbptab = get_bits(gb, 3); |
||
| 1240 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
||
| 1241 | if (v->mv_mode == MV_PMODE_MIXED_MV) { |
||
| 1242 | fourmvbptab = get_bits(gb, 2); |
||
| 1243 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
||
| 1244 | } |
||
| 1245 | v->numref = 1; // interlaced field B pictures are always 2-ref |
||
| 1246 | } else if (v->fcm == ILACE_FRAME) { |
||
| 1247 | if (v->extended_dmv) |
||
| 1248 | v->dmvrange = get_unary(gb, 0, 3); |
||
| 1249 | if (get_bits1(gb)) /* intcomp - present but shall always be 0 */ |
||
| 1250 | av_log(v->s.avctx, AV_LOG_WARNING, "Intensity compensation set for B picture\n"); |
||
| 1251 | v->intcomp = 0; |
||
| 1252 | v->mv_mode = MV_PMODE_1MV; |
||
| 1253 | v->fourmvswitch = 0; |
||
| 1254 | v->qs_last = v->s.quarter_sample; |
||
| 1255 | v->s.quarter_sample = 1; |
||
| 1256 | v->s.mspel = 1; |
||
| 1257 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
||
| 1258 | if (status < 0) |
||
| 1259 | return -1; |
||
| 1260 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
||
| 1261 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1262 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 1263 | if (status < 0) |
||
| 1264 | return -1; |
||
| 1265 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
||
| 1266 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1267 | mbmodetab = get_bits(gb, 2); |
||
| 1268 | v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; |
||
| 1269 | imvtab = get_bits(gb, 2); |
||
| 1270 | v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
||
| 1271 | // interlaced p/b-picture cbpcy range is [1, 63] |
||
| 1272 | icbptab = get_bits(gb, 3); |
||
| 1273 | v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
||
| 1274 | twomvbptab = get_bits(gb, 2); |
||
| 1275 | v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; |
||
| 1276 | fourmvbptab = get_bits(gb, 2); |
||
| 1277 | v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
||
| 1278 | } else { |
||
| 1279 | v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; |
||
| 1280 | v->qs_last = v->s.quarter_sample; |
||
| 1281 | v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); |
||
| 1282 | v->s.mspel = v->s.quarter_sample; |
||
| 1283 | status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
||
| 1284 | if (status < 0) |
||
| 1285 | return -1; |
||
| 1286 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
||
| 1287 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1288 | status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
||
| 1289 | if (status < 0) |
||
| 1290 | return -1; |
||
| 1291 | av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
||
| 1292 | "Imode: %i, Invert: %i\n", status>>1, status&1); |
||
| 1293 | v->s.mv_table_index = get_bits(gb, 2); |
||
| 1294 | v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
||
| 1295 | } |
||
| 1296 | |||
| 1297 | if (v->dquant) { |
||
| 1298 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
||
| 1299 | vop_dquant_decoding(v); |
||
| 1300 | } |
||
| 1301 | |||
| 1302 | if (v->vstransform) { |
||
| 1303 | v->ttmbf = get_bits1(gb); |
||
| 1304 | if (v->ttmbf) { |
||
| 1305 | v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
||
| 1306 | } else |
||
| 1307 | v->ttfrm = 0; |
||
| 1308 | } else { |
||
| 1309 | v->ttmbf = 1; |
||
| 1310 | v->ttfrm = TT_8X8; |
||
| 1311 | } |
||
| 1312 | break; |
||
| 1313 | } |
||
| 1314 | |||
| 1315 | if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) { |
||
| 1316 | v->range_x <<= 1; |
||
| 1317 | v->range_y <<= 1; |
||
| 1318 | } |
||
| 1319 | |||
| 1320 | /* AC Syntax */ |
||
| 1321 | v->c_ac_table_index = decode012(gb); |
||
| 1322 | if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
||
| 1323 | v->y_ac_table_index = decode012(gb); |
||
| 1324 | } |
||
| 1325 | /* DC Syntax */ |
||
| 1326 | v->s.dc_table_index = get_bits1(gb); |
||
| 1327 | if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
||
| 1328 | && v->dquant) { |
||
| 1329 | av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
||
| 1330 | vop_dquant_decoding(v); |
||
| 1331 | } |
||
| 1332 | |||
| 1333 | v->bi_type = (v->s.pict_type == AV_PICTURE_TYPE_BI); |
||
| 1334 | if (v->bi_type) |
||
| 1335 | v->s.pict_type = AV_PICTURE_TYPE_B; |
||
| 1336 | |||
| 1337 | return 0; |
||
| 1338 | } |
||
| 1339 | |||
| 1340 | static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { |
||
| 1341 | { |
||
| 1342 | { 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, |
||
| 1343 | { 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, |
||
| 1344 | { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, |
||
| 1345 | { 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, |
||
| 1346 | { 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, |
||
| 1347 | { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, |
||
| 1348 | { 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, |
||
| 1349 | { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, |
||
| 1350 | { 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, |
||
| 1351 | { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, |
||
| 1352 | { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, |
||
| 1353 | { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, |
||
| 1354 | { 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, |
||
| 1355 | { 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, |
||
| 1356 | { 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, |
||
| 1357 | { 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, |
||
| 1358 | { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, |
||
| 1359 | { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, |
||
| 1360 | { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, |
||
| 1361 | { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, |
||
| 1362 | { 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, |
||
| 1363 | { 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, |
||
| 1364 | { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, |
||
| 1365 | { 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, |
||
| 1366 | { 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, |
||
| 1367 | { 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, |
||
| 1368 | { 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, |
||
| 1369 | { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, |
||
| 1370 | { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, |
||
| 1371 | { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, |
||
| 1372 | { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} |
||
| 1373 | }, |
||
| 1374 | { |
||
| 1375 | { 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, |
||
| 1376 | { 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, |
||
| 1377 | { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, |
||
| 1378 | { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, |
||
| 1379 | { 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, |
||
| 1380 | { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, |
||
| 1381 | { 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, |
||
| 1382 | { 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14}, |
||
| 1383 | { 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14}, |
||
| 1384 | { 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7}, |
||
| 1385 | { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13}, |
||
| 1386 | { 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 11}, |
||
| 1387 | { 0x1721, 13}, { 0x0044, 9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13}, |
||
| 1388 | { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10}, |
||
| 1389 | { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12}, |
||
| 1390 | { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14}, |
||
| 1391 | { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003, 3}, { 0x002A, 6}, { 0x00E4, 8}, |
||
| 1392 | { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15}, |
||
| 1393 | { 0x0009, 4}, { 0x0054, 8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D, 4}, |
||
| 1394 | { 0x00AD, 9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011, 5}, { 0x016B, 9}, { 0x0B7F, 12}, |
||
| 1395 | { 0x51A4, 15}, { 0x0019, 5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D, 5}, { 0x0394, 10}, |
||
| 1396 | { 0x28D3, 14}, { 0x002B, 6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F, 6}, { 0x0247, 12}, |
||
| 1397 | { 0x0010, 7}, { 0x0A35, 12}, { 0x003E, 6}, { 0x0B7A, 12}, { 0x0059, 7}, { 0x105E, 13}, |
||
| 1398 | { 0x0026, 8}, { 0x09CF, 14}, { 0x0055, 8}, { 0x1CB5, 13}, { 0x0057, 8}, { 0x0E5B, 12}, |
||
| 1399 | { 0x00A0, 8}, { 0x1468, 13}, { 0x0170, 9}, { 0x0090, 10}, { 0x01CE, 9}, { 0x021A, 10}, |
||
| 1400 | { 0x0218, 10}, { 0x0168, 9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11}, |
||
| 1401 | { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14}, |
||
| 1402 | { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14}, |
||
| 1403 | { 0x0169, 9} |
||
| 1404 | }, |
||
| 1405 | { |
||
| 1406 | { 0x0001, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x0016, 5}, { 0x0020, 6}, { 0x0018, 7}, |
||
| 1407 | { 0x0008, 8}, { 0x009A, 8}, { 0x0056, 9}, { 0x013E, 9}, { 0x00F0, 10}, { 0x03A5, 10}, |
||
| 1408 | { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001, 4}, { 0x0011, 5}, |
||
| 1409 | { 0x0002, 7}, { 0x000B, 8}, { 0x0012, 9}, { 0x01D6, 9}, { 0x027E, 10}, { 0x0191, 11}, |
||
| 1410 | { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004, 5}, { 0x0014, 7}, { 0x009E, 8}, |
||
| 1411 | { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017, 5}, |
||
| 1412 | { 0x004E, 7}, { 0x005E, 9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13}, |
||
| 1413 | { 0x000E, 6}, { 0x00E1, 8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B, 6}, |
||
| 1414 | { 0x001C, 9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006, 7}, { 0x007A, 9}, { 0x0190, 11}, |
||
| 1415 | { 0x0137, 13}, { 0x001B, 7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071, 7}, { 0x00D7, 10}, |
||
| 1416 | { 0x09BF, 12}, { 0x0007, 8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034, 8}, { 0x0265, 10}, |
||
| 1417 | { 0x009F, 12}, { 0x00E0, 8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015, 9}, { 0x017D, 11}, |
||
| 1418 | { 0x0EBB, 12}, { 0x0014, 9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12}, |
||
| 1419 | { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11}, |
||
| 1420 | { 0x013A, 13}, { 0x000A, 4}, { 0x0042, 7}, { 0x01D3, 9}, { 0x04DD, 11}, { 0x0012, 5}, |
||
| 1421 | { 0x00E8, 8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039, 6}, { 0x0264, 10}, { 0x0EBA, 12}, |
||
| 1422 | { 0x0000, 7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F, 7}, { 0x04DE, 11}, { 0x0043, 7}, |
||
| 1423 | { 0x04DC, 11}, { 0x0003, 8}, { 0x03CB, 12}, { 0x0006, 8}, { 0x099E, 12}, { 0x002A, 8}, |
||
| 1424 | { 0x05F1, 13}, { 0x000F, 8}, { 0x09FE, 12}, { 0x0033, 8}, { 0x09FF, 12}, { 0x0098, 8}, |
||
| 1425 | { 0x099F, 12}, { 0x00EA, 8}, { 0x013C, 13}, { 0x002E, 8}, { 0x0192, 11}, { 0x0136, 9}, |
||
| 1426 | { 0x006A, 9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12}, |
||
| 1427 | { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13}, |
||
| 1428 | { 0x0016, 7} |
||
| 1429 | }, |
||
| 1430 | { |
||
| 1431 | { 0x0004, 3}, { 0x0014, 5}, { 0x0017, 7}, { 0x007F, 8}, { 0x0154, 9}, { 0x01F2, 10}, |
||
| 1432 | { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14}, |
||
| 1433 | { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B, 4}, { 0x0037, 7}, { 0x0062, 9}, { 0x0007, 11}, |
||
| 1434 | { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007, 5}, |
||
| 1435 | { 0x006D, 8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002, 6}, { 0x0061, 9}, |
||
| 1436 | { 0x0055, 12}, { 0x01DF, 14}, { 0x001A, 6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14}, |
||
| 1437 | { 0x001E, 6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006, 7}, { 0x0004, 11}, |
||
| 1438 | { 0x02F8, 13}, { 0x0019, 7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057, 7}, { 0x0182, 11}, |
||
| 1439 | { 0x2AA2, 14}, { 0x0004, 8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D, 8}, { 0x0164, 12}, |
||
| 1440 | { 0x076D, 15}, { 0x0002, 9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD, 8}, { 0x0060, 12}, |
||
| 1441 | { 0x0C67, 14}, { 0x001C, 9}, { 0x00EE, 13}, { 0x0003, 9}, { 0x02CF, 13}, { 0x00D9, 9}, |
||
| 1442 | { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11}, |
||
| 1443 | { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12}, |
||
| 1444 | { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003, 2}, { 0x0054, 7}, { 0x02AB, 10}, |
||
| 1445 | { 0x0016, 13}, { 0x05F7, 14}, { 0x0005, 4}, { 0x00F8, 9}, { 0x0AA9, 12}, { 0x005F, 15}, |
||
| 1446 | { 0x0004, 4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004, 5}, { 0x0077, 11}, { 0x076C, 15}, |
||
| 1447 | { 0x000E, 5}, { 0x000A, 12}, { 0x000C, 5}, { 0x0562, 11}, { 0x0004, 6}, { 0x031C, 12}, |
||
| 1448 | { 0x0006, 6}, { 0x00C8, 13}, { 0x000D, 6}, { 0x01DA, 13}, { 0x0007, 6}, { 0x00C9, 13}, |
||
| 1449 | { 0x0001, 7}, { 0x002E, 14}, { 0x0014, 7}, { 0x1596, 13}, { 0x000A, 7}, { 0x0AC2, 12}, |
||
| 1450 | { 0x0016, 7}, { 0x015B, 14}, { 0x0015, 7}, { 0x015A, 14}, { 0x000F, 8}, { 0x005E, 15}, |
||
| 1451 | { 0x007E, 8}, { 0x00AB, 8}, { 0x002D, 9}, { 0x00D8, 9}, { 0x000B, 9}, { 0x0014, 10}, |
||
| 1452 | { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E, 9}, |
||
| 1453 | { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13}, |
||
| 1454 | { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14}, |
||
| 1455 | { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D, 9} |
||
| 1456 | }, |
||
| 1457 | { |
||
| 1458 | { 0x0002, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x000D, 5}, { 0x000C, 5}, { 0x0015, 6}, |
||
| 1459 | { 0x0013, 6}, { 0x0012, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x001E, 8}, { 0x001D, 8}, |
||
| 1460 | { 0x0025, 9}, { 0x0024, 9}, { 0x0023, 9}, { 0x0021, 9}, { 0x0021, 10}, { 0x0020, 10}, |
||
| 1461 | { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11}, |
||
| 1462 | { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E, 4}, { 0x0014, 6}, { 0x0016, 7}, |
||
| 1463 | { 0x001C, 8}, { 0x0020, 9}, { 0x001F, 9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12}, |
||
| 1464 | { 0x0055, 12}, { 0x000B, 5}, { 0x0015, 7}, { 0x001E, 9}, { 0x000C, 10}, { 0x0056, 12}, |
||
| 1465 | { 0x0011, 6}, { 0x001B, 8}, { 0x001D, 9}, { 0x000B, 10}, { 0x0010, 6}, { 0x0022, 9}, |
||
| 1466 | { 0x000A, 10}, { 0x000D, 6}, { 0x001C, 9}, { 0x0008, 10}, { 0x0012, 7}, { 0x001B, 9}, |
||
| 1467 | { 0x0054, 12}, { 0x0014, 7}, { 0x001A, 9}, { 0x0057, 12}, { 0x0019, 8}, { 0x0009, 10}, |
||
| 1468 | { 0x0018, 8}, { 0x0023, 11}, { 0x0017, 8}, { 0x0019, 9}, { 0x0018, 9}, { 0x0007, 10}, |
||
| 1469 | { 0x0058, 12}, { 0x0007, 4}, { 0x000C, 6}, { 0x0016, 8}, { 0x0017, 9}, { 0x0006, 10}, |
||
| 1470 | { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F, 6}, { 0x0016, 9}, { 0x0005, 10}, |
||
| 1471 | { 0x000E, 6}, { 0x0004, 10}, { 0x0011, 7}, { 0x0024, 11}, { 0x0010, 7}, { 0x0025, 11}, |
||
| 1472 | { 0x0013, 7}, { 0x005A, 12}, { 0x0015, 8}, { 0x005B, 12}, { 0x0014, 8}, { 0x0013, 8}, |
||
| 1473 | { 0x001A, 8}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, { 0x0012, 9}, { 0x0011, 9}, |
||
| 1474 | { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, |
||
| 1475 | { 0x0003, 7} |
||
| 1476 | }, |
||
| 1477 | { |
||
| 1478 | { 0x0002, 2}, { 0x000F, 4}, { 0x0015, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x0025, 9}, |
||
| 1479 | { 0x0024, 9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, |
||
| 1480 | { 0x0006, 3}, { 0x0014, 6}, { 0x001E, 8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12}, |
||
| 1481 | { 0x000E, 4}, { 0x001D, 8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D, 5}, { 0x0023, 9}, |
||
| 1482 | { 0x000D, 10}, { 0x000C, 5}, { 0x0022, 9}, { 0x0052, 12}, { 0x000B, 5}, { 0x000C, 10}, |
||
| 1483 | { 0x0053, 12}, { 0x0013, 6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012, 6}, { 0x000A, 10}, |
||
| 1484 | { 0x0011, 6}, { 0x0009, 10}, { 0x0010, 6}, { 0x0008, 10}, { 0x0016, 7}, { 0x0055, 12}, |
||
| 1485 | { 0x0015, 7}, { 0x0014, 7}, { 0x001C, 8}, { 0x001B, 8}, { 0x0021, 9}, { 0x0020, 9}, |
||
| 1486 | { 0x001F, 9}, { 0x001E, 9}, { 0x001D, 9}, { 0x001C, 9}, { 0x001B, 9}, { 0x001A, 9}, |
||
| 1487 | { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007, 4}, { 0x0019, 9}, |
||
| 1488 | { 0x0005, 11}, { 0x000F, 6}, { 0x0004, 11}, { 0x000E, 6}, { 0x000D, 6}, { 0x000C, 6}, |
||
| 1489 | { 0x0013, 7}, { 0x0012, 7}, { 0x0011, 7}, { 0x0010, 7}, { 0x001A, 8}, { 0x0019, 8}, |
||
| 1490 | { 0x0018, 8}, { 0x0017, 8}, { 0x0016, 8}, { 0x0015, 8}, { 0x0014, 8}, { 0x0013, 8}, |
||
| 1491 | { 0x0018, 9}, { 0x0017, 9}, { 0x0016, 9}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, |
||
| 1492 | { 0x0012, 9}, { 0x0011, 9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10}, |
||
| 1493 | { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12}, |
||
| 1494 | { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, |
||
| 1495 | { 0x0003, 7} |
||
| 1496 | }, |
||
| 1497 | { |
||
| 1498 | { 0x0000, 2}, { 0x0003, 3}, { 0x000D, 4}, { 0x0005, 4}, { 0x001C, 5}, { 0x0016, 5}, |
||
| 1499 | { 0x003F, 6}, { 0x003A, 6}, { 0x002E, 6}, { 0x0022, 6}, { 0x007B, 7}, { 0x0067, 7}, |
||
| 1500 | { 0x005F, 7}, { 0x0047, 7}, { 0x0026, 7}, { 0x00EF, 8}, { 0x00CD, 8}, { 0x00C1, 8}, |
||
| 1501 | { 0x00A9, 8}, { 0x004F, 8}, { 0x01F2, 9}, { 0x01DD, 9}, { 0x0199, 9}, { 0x0185, 9}, |
||
| 1502 | { 0x015D, 9}, { 0x011B, 9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10}, |
||
| 1503 | { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11}, |
||
| 1504 | { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11}, |
||
| 1505 | { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12}, |
||
| 1506 | { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12}, |
||
| 1507 | { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009, 4}, { 0x0010, 5}, { 0x0029, 6}, { 0x0062, 7}, |
||
| 1508 | { 0x00F3, 8}, { 0x00AD, 8}, { 0x01E5, 9}, { 0x0179, 9}, { 0x009C, 9}, { 0x03B1, 10}, |
||
| 1509 | { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12}, |
||
| 1510 | { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7}, |
||
| 1511 | { 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12}, |
||
| 1512 | { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10}, |
||
| 1513 | { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, |
||
| 1514 | { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, |
||
| 1515 | { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, |
||
| 1516 | { 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, |
||
| 1517 | { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, |
||
| 1518 | { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, |
||
| 1519 | { 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, |
||
| 1520 | { 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, |
||
| 1521 | { 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, |
||
| 1522 | { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, |
||
| 1523 | { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, |
||
| 1524 | { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, |
||
| 1525 | { 0x007A, 7} |
||
| 1526 | }, |
||
| 1527 | { |
||
| 1528 | { 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, |
||
| 1529 | { 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, |
||
| 1530 | { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, |
||
| 1531 | { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, |
||
| 1532 | { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, |
||
| 1533 | { 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, |
||
| 1534 | { 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, |
||
| 1535 | { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, |
||
| 1536 | { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, |
||
| 1537 | { 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, |
||
| 1538 | { 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, |
||
| 1539 | { 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, |
||
| 1540 | { 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, |
||
| 1541 | { 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, |
||
| 1542 | { 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, |
||
| 1543 | { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, |
||
| 1544 | { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, |
||
| 1545 | { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, |
||
| 1546 | { 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, |
||
| 1547 | { 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, |
||
| 1548 | { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, |
||
| 1549 | { 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, |
||
| 1550 | { 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, |
||
| 1551 | { 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, |
||
| 1552 | { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, |
||
| 1553 | { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, |
||
| 1554 | { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, |
||
| 1555 | { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, |
||
| 1556 | { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, |
||
| 1557 | { 0x0073, 7} |
||
| 1558 | } |
||
| 1559 | }; |
||
| 1560 | |||
| 1561 | static const uint16_t vlc_offs[] = { |
||
| 1562 | 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, |
||
| 1563 | 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, |
||
| 1564 | 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, |
||
| 1565 | 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, |
||
| 1566 | 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, |
||
| 1567 | 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, |
||
| 1568 | 31714, 31746, 31778, 32306, 32340, 32372 |
||
| 1569 | }; |
||
| 1570 | |||
| 1571 | /** |
||
| 1572 | * Init VC-1 specific tables and VC1Context members |
||
| 1573 | * @param v The VC1Context to initialize |
||
| 1574 | * @return Status |
||
| 1575 | */ |
||
| 1576 | av_cold int ff_vc1_init_common(VC1Context *v) |
||
| 1577 | { |
||
| 1578 | static int done = 0; |
||
| 1579 | int i = 0; |
||
| 1580 | static VLC_TYPE vlc_table[32372][2]; |
||
| 1581 | |||
| 1582 | v->hrd_rate = v->hrd_buffer = NULL; |
||
| 1583 | |||
| 1584 | /* VLC tables */ |
||
| 1585 | if (!done) { |
||
| 1586 | INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, |
||
| 1587 | ff_vc1_bfraction_bits, 1, 1, |
||
| 1588 | ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); |
||
| 1589 | INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, |
||
| 1590 | ff_vc1_norm2_bits, 1, 1, |
||
| 1591 | ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); |
||
| 1592 | INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, |
||
| 1593 | ff_vc1_norm6_bits, 1, 1, |
||
| 1594 | ff_vc1_norm6_codes, 2, 2, 556); |
||
| 1595 | INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, |
||
| 1596 | ff_vc1_imode_bits, 1, 1, |
||
| 1597 | ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); |
||
| 1598 | for (i = 0; i < 3; i++) { |
||
| 1599 | ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; |
||
| 1600 | ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; |
||
| 1601 | init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, |
||
| 1602 | ff_vc1_ttmb_bits[i], 1, 1, |
||
| 1603 | ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
||
| 1604 | ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; |
||
| 1605 | ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; |
||
| 1606 | init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, |
||
| 1607 | ff_vc1_ttblk_bits[i], 1, 1, |
||
| 1608 | ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1609 | ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; |
||
| 1610 | ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; |
||
| 1611 | init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, |
||
| 1612 | ff_vc1_subblkpat_bits[i], 1, 1, |
||
| 1613 | ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1614 | } |
||
| 1615 | for (i = 0; i < 4; i++) { |
||
| 1616 | ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; |
||
| 1617 | ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; |
||
| 1618 | init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, |
||
| 1619 | ff_vc1_4mv_block_pattern_bits[i], 1, 1, |
||
| 1620 | ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1621 | ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; |
||
| 1622 | ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; |
||
| 1623 | init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, |
||
| 1624 | ff_vc1_cbpcy_p_bits[i], 1, 1, |
||
| 1625 | ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
||
| 1626 | ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; |
||
| 1627 | ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; |
||
| 1628 | init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, |
||
| 1629 | ff_vc1_mv_diff_bits[i], 1, 1, |
||
| 1630 | ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
||
| 1631 | } |
||
| 1632 | for (i = 0; i < 8; i++) { |
||
| 1633 | ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; |
||
| 1634 | ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; |
||
| 1635 | init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i], |
||
| 1636 | &vc1_ac_tables[i][0][1], 8, 4, |
||
| 1637 | &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); |
||
| 1638 | /* initialize interlaced MVDATA tables (2-Ref) */ |
||
| 1639 | ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; |
||
| 1640 | ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; |
||
| 1641 | init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, |
||
| 1642 | ff_vc1_2ref_mvdata_bits[i], 1, 1, |
||
| 1643 | ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); |
||
| 1644 | } |
||
| 1645 | for (i = 0; i < 4; i++) { |
||
| 1646 | /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ |
||
| 1647 | ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; |
||
| 1648 | ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; |
||
| 1649 | init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, |
||
| 1650 | ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, |
||
| 1651 | ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
||
| 1652 | /* initialize NON-4MV MBMODE VLC tables for the same */ |
||
| 1653 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; |
||
| 1654 | ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; |
||
| 1655 | init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, |
||
| 1656 | ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, |
||
| 1657 | ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1658 | /* initialize interlaced MVDATA tables (1-Ref) */ |
||
| 1659 | ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; |
||
| 1660 | ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; |
||
| 1661 | init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, |
||
| 1662 | ff_vc1_1ref_mvdata_bits[i], 1, 1, |
||
| 1663 | ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); |
||
| 1664 | } |
||
| 1665 | for (i = 0; i < 4; i++) { |
||
| 1666 | /* Initialize 2MV Block pattern VLC tables */ |
||
| 1667 | ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; |
||
| 1668 | ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; |
||
| 1669 | init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, |
||
| 1670 | ff_vc1_2mv_block_pattern_bits[i], 1, 1, |
||
| 1671 | ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1672 | } |
||
| 1673 | for (i = 0; i < 8; i++) { |
||
| 1674 | /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ |
||
| 1675 | ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; |
||
| 1676 | ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; |
||
| 1677 | init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, |
||
| 1678 | ff_vc1_icbpcy_p_bits[i], 1, 1, |
||
| 1679 | ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
||
| 1680 | /* Initialize interlaced field picture MBMODE VLC tables */ |
||
| 1681 | ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; |
||
| 1682 | ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; |
||
| 1683 | init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, |
||
| 1684 | ff_vc1_if_mmv_mbmode_bits[i], 1, 1, |
||
| 1685 | ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1686 | ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; |
||
| 1687 | ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; |
||
| 1688 | init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, |
||
| 1689 | ff_vc1_if_1mv_mbmode_bits[i], 1, 1, |
||
| 1690 | ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
||
| 1691 | } |
||
| 1692 | done = 1; |
||
| 1693 | } |
||
| 1694 | |||
| 1695 | /* Other defaults */ |
||
| 1696 | v->pq = -1; |
||
| 1697 | v->mvrange = 0; /* 7.1.1.18, p80 */ |
||
| 1698 | |||
| 1699 | ff_vc1dsp_init(&v->vc1dsp); |
||
| 1700 | |||
| 1701 | return 0; |
||
| 1702 | } |