mirror of https://github.com/FFmpeg/FFmpeg.git
Vittorio Giovara
11 years ago
parent
136034d86b
commit
e0c16e4e32
41 changed files with 154 additions and 78 deletions
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/*
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* Mpeg video formats-related defines and utility functions |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_MPEGUTILS_H |
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#define AVCODEC_MPEGUTILS_H |
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#include "version.h" |
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/* picture type */ |
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#define PICT_TOP_FIELD 1 |
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#define PICT_BOTTOM_FIELD 2 |
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#define PICT_FRAME 3 |
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/**
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* Value of Picture.reference when Picture is not a reference picture, but |
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* is held for delayed output. |
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*/ |
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#define DELAYED_PIC_REF 4 |
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/* MB types */ |
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#if !FF_API_MB_TYPE |
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#define MB_TYPE_INTRA4x4 (1 << 0) |
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#define MB_TYPE_INTRA16x16 (1 << 1) // FIXME H.264-specific
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#define MB_TYPE_INTRA_PCM (1 << 2) // FIXME H.264-specific
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#define MB_TYPE_16x16 (1 << 3) |
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#define MB_TYPE_16x8 (1 << 4) |
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#define MB_TYPE_8x16 (1 << 5) |
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#define MB_TYPE_8x8 (1 << 6) |
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#define MB_TYPE_INTERLACED (1 << 7) |
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#define MB_TYPE_DIRECT2 (1 << 8) // FIXME
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#define MB_TYPE_ACPRED (1 << 9) |
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#define MB_TYPE_GMC (1 << 10) |
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#define MB_TYPE_SKIP (1 << 11) |
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#define MB_TYPE_P0L0 (1 << 12) |
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#define MB_TYPE_P1L0 (1 << 13) |
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#define MB_TYPE_P0L1 (1 << 14) |
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#define MB_TYPE_P1L1 (1 << 15) |
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#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0) |
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#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1) |
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#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1) |
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#define MB_TYPE_QUANT (1 << 16) |
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#define MB_TYPE_CBP (1 << 17) |
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#endif |
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#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 // default mb_type if there is just one type
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#define IS_INTRA4x4(a) ((a) & MB_TYPE_INTRA4x4) |
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#define IS_INTRA16x16(a) ((a) & MB_TYPE_INTRA16x16) |
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#define IS_PCM(a) ((a) & MB_TYPE_INTRA_PCM) |
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#define IS_INTRA(a) ((a) & 7) |
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#define IS_INTER(a) ((a) & (MB_TYPE_16x16 | MB_TYPE_16x8 | \ |
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MB_TYPE_8x16 | MB_TYPE_8x8)) |
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#define IS_SKIP(a) ((a) & MB_TYPE_SKIP) |
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#define IS_INTRA_PCM(a) ((a) & MB_TYPE_INTRA_PCM) |
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#define IS_INTERLACED(a) ((a) & MB_TYPE_INTERLACED) |
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#define IS_DIRECT(a) ((a) & MB_TYPE_DIRECT2) |
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#define IS_GMC(a) ((a) & MB_TYPE_GMC) |
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#define IS_16X16(a) ((a) & MB_TYPE_16x16) |
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#define IS_16X8(a) ((a) & MB_TYPE_16x8) |
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#define IS_8X16(a) ((a) & MB_TYPE_8x16) |
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#define IS_8X8(a) ((a) & MB_TYPE_8x8) |
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#define IS_SUB_8X8(a) ((a) & MB_TYPE_16x16) // note reused
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#define IS_SUB_8X4(a) ((a) & MB_TYPE_16x8) // note reused
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#define IS_SUB_4X8(a) ((a) & MB_TYPE_8x16) // note reused
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#define IS_SUB_4X4(a) ((a) & MB_TYPE_8x8) // note reused
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#define IS_ACPRED(a) ((a) & MB_TYPE_ACPRED) |
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#define IS_QUANT(a) ((a) & MB_TYPE_QUANT) |
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#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list)))) |
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// does this mb use listX, note does not work if subMBs
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#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list)))) |
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#define HAS_CBP(a) ((a) & MB_TYPE_CBP) |
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/* MB types for encoding */ |
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#define CANDIDATE_MB_TYPE_INTRA (1 << 0) |
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#define CANDIDATE_MB_TYPE_INTER (1 << 1) |
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#define CANDIDATE_MB_TYPE_INTER4V (1 << 2) |
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#define CANDIDATE_MB_TYPE_SKIPPED (1 << 3) |
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#define CANDIDATE_MB_TYPE_DIRECT (1 << 4) |
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#define CANDIDATE_MB_TYPE_FORWARD (1 << 5) |
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#define CANDIDATE_MB_TYPE_BACKWARD (1 << 6) |
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#define CANDIDATE_MB_TYPE_BIDIR (1 << 7) |
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#define CANDIDATE_MB_TYPE_INTER_I (1 << 8) |
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#define CANDIDATE_MB_TYPE_FORWARD_I (1 << 9) |
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#define CANDIDATE_MB_TYPE_BACKWARD_I (1 << 10) |
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#define CANDIDATE_MB_TYPE_BIDIR_I (1 << 11) |
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#define CANDIDATE_MB_TYPE_DIRECT0 (1 << 12) |
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#endif /* AVCODEC_PICTTYPE_H */ |
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