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| 1 /** | 1 /** |
| 2 * @file libavcodec/vp56.h | 2 * @file libavcodec/vp56.h |
| 3 * VP5 and VP6 compatible video decoder (common features) | 3 * VP5 and VP6 compatible video decoder (common features) |
| 4 * | 4 * |
| 5 * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org> | 5 * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org> |
| 6 * | 6 * |
| 7 * This file is part of FFmpeg. | 7 * This file is part of FFmpeg. |
| 8 * | 8 * |
| 9 * FFmpeg is free software; you can redistribute it and/or | 9 * FFmpeg is free software; you can redistribute it and/or |
| 10 * modify it under the terms of the GNU Lesser General Public | 10 * modify it under the terms of the GNU Lesser General Public |
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| 114 | 114 |
| 115 /* DC predictors management */ | 115 /* DC predictors management */ |
| 116 VP56RefDc *above_blocks; | 116 VP56RefDc *above_blocks; |
| 117 VP56RefDc left_block[4]; | 117 VP56RefDc left_block[4]; |
| 118 int above_block_idx[6]; | 118 int above_block_idx[6]; |
| 119 DCTELEM prev_dc[3][3]; /* [plan][ref_frame] */ | 119 DCTELEM prev_dc[3][3]; /* [plan][ref_frame] */ |
| 120 | 120 |
| 121 /* blocks / macroblock */ | 121 /* blocks / macroblock */ |
| 122 VP56mb mb_type; | 122 VP56mb mb_type; |
| 123 VP56Macroblock *macroblocks; | 123 VP56Macroblock *macroblocks; |
| 124 DECLARE_ALIGNED_16(DCTELEM, block_coeff)[6][64]; | 124 DECLARE_ALIGNED(16, DCTELEM, block_coeff)[6][64]; |
| 125 | 125 |
| 126 /* motion vectors */ | 126 /* motion vectors */ |
| 127 VP56mv mv[6]; /* vectors for each block in MB */ | 127 VP56mv mv[6]; /* vectors for each block in MB */ |
| 128 VP56mv vector_candidate[2]; | 128 VP56mv vector_candidate[2]; |
| 129 int vector_candidate_pos; | 129 int vector_candidate_pos; |
| 130 | 130 |
| 131 /* filtering hints */ | 131 /* filtering hints */ |
| 132 int filter_header; /* used in vp6 only */ | 132 int filter_header; /* used in vp6 only */ |
| 133 int deblock_filtering; | 133 int deblock_filtering; |
| 134 int filter_selection; | 134 int filter_selection; |
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| 262 while (tree->val > 0) { | 262 while (tree->val > 0) { |
| 263 if (vp56_rac_get_prob(c, probs[tree->prob_idx])) | 263 if (vp56_rac_get_prob(c, probs[tree->prob_idx])) |
| 264 tree += tree->val; | 264 tree += tree->val; |
| 265 else | 265 else |
| 266 tree++; | 266 tree++; |
| 267 } | 267 } |
| 268 return -tree->val; | 268 return -tree->val; |
| 269 } | 269 } |
| 270 | 270 |
| 271 #endif /* AVCODEC_VP56_H */ | 271 #endif /* AVCODEC_VP56_H */ |
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