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
@ -0,0 +1,111 @@ |
||||
/*
|
||||
* Mpeg video formats-related defines and utility functions |
||||
* |
||||
* This file is part of Libav. |
||||
* |
||||
* Libav is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU Lesser General Public |
||||
* License as published by the Free Software Foundation; either |
||||
* version 2.1 of the License, or (at your option) any later version. |
||||
* |
||||
* Libav is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||
* Lesser General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU Lesser General Public |
||||
* License along with Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#ifndef AVCODEC_MPEGUTILS_H |
||||
#define AVCODEC_MPEGUTILS_H |
||||
|
||||
#include "version.h" |
||||
|
||||
/* picture type */ |
||||
#define PICT_TOP_FIELD 1 |
||||
#define PICT_BOTTOM_FIELD 2 |
||||
#define PICT_FRAME 3 |
||||
|
||||
/**
|
||||
* Value of Picture.reference when Picture is not a reference picture, but |
||||
* is held for delayed output. |
||||
*/ |
||||
#define DELAYED_PIC_REF 4 |
||||
|
||||
|
||||
/* MB types */ |
||||
#if !FF_API_MB_TYPE |
||||
#define MB_TYPE_INTRA4x4 (1 << 0) |
||||
#define MB_TYPE_INTRA16x16 (1 << 1) // FIXME H.264-specific
|
||||
#define MB_TYPE_INTRA_PCM (1 << 2) // FIXME H.264-specific
|
||||
#define MB_TYPE_16x16 (1 << 3) |
||||
#define MB_TYPE_16x8 (1 << 4) |
||||
#define MB_TYPE_8x16 (1 << 5) |
||||
#define MB_TYPE_8x8 (1 << 6) |
||||
#define MB_TYPE_INTERLACED (1 << 7) |
||||
#define MB_TYPE_DIRECT2 (1 << 8) // FIXME
|
||||
#define MB_TYPE_ACPRED (1 << 9) |
||||
#define MB_TYPE_GMC (1 << 10) |
||||
#define MB_TYPE_SKIP (1 << 11) |
||||
#define MB_TYPE_P0L0 (1 << 12) |
||||
#define MB_TYPE_P1L0 (1 << 13) |
||||
#define MB_TYPE_P0L1 (1 << 14) |
||||
#define MB_TYPE_P1L1 (1 << 15) |
||||
#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0) |
||||
#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1) |
||||
#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1) |
||||
#define MB_TYPE_QUANT (1 << 16) |
||||
#define MB_TYPE_CBP (1 << 17) |
||||
#endif |
||||
|
||||
#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 // default mb_type if there is just one type
|
||||
|
||||
#define IS_INTRA4x4(a) ((a) & MB_TYPE_INTRA4x4) |
||||
#define IS_INTRA16x16(a) ((a) & MB_TYPE_INTRA16x16) |
||||
#define IS_PCM(a) ((a) & MB_TYPE_INTRA_PCM) |
||||
#define IS_INTRA(a) ((a) & 7) |
||||
#define IS_INTER(a) ((a) & (MB_TYPE_16x16 | MB_TYPE_16x8 | \ |
||||
MB_TYPE_8x16 | MB_TYPE_8x8)) |
||||
#define IS_SKIP(a) ((a) & MB_TYPE_SKIP) |
||||
#define IS_INTRA_PCM(a) ((a) & MB_TYPE_INTRA_PCM) |
||||
#define IS_INTERLACED(a) ((a) & MB_TYPE_INTERLACED) |
||||
#define IS_DIRECT(a) ((a) & MB_TYPE_DIRECT2) |
||||
#define IS_GMC(a) ((a) & MB_TYPE_GMC) |
||||
#define IS_16X16(a) ((a) & MB_TYPE_16x16) |
||||
#define IS_16X8(a) ((a) & MB_TYPE_16x8) |
||||
#define IS_8X16(a) ((a) & MB_TYPE_8x16) |
||||
#define IS_8X8(a) ((a) & MB_TYPE_8x8) |
||||
#define IS_SUB_8X8(a) ((a) & MB_TYPE_16x16) // note reused
|
||||
#define IS_SUB_8X4(a) ((a) & MB_TYPE_16x8) // note reused
|
||||
#define IS_SUB_4X8(a) ((a) & MB_TYPE_8x16) // note reused
|
||||
#define IS_SUB_4X4(a) ((a) & MB_TYPE_8x8) // note reused
|
||||
#define IS_ACPRED(a) ((a) & MB_TYPE_ACPRED) |
||||
#define IS_QUANT(a) ((a) & MB_TYPE_QUANT) |
||||
#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list)))) |
||||
|
||||
// does this mb use listX, note does not work if subMBs
|
||||
#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list)))) |
||||
|
||||
#define HAS_CBP(a) ((a) & MB_TYPE_CBP) |
||||
|
||||
/* MB types for encoding */ |
||||
#define CANDIDATE_MB_TYPE_INTRA (1 << 0) |
||||
#define CANDIDATE_MB_TYPE_INTER (1 << 1) |
||||
#define CANDIDATE_MB_TYPE_INTER4V (1 << 2) |
||||
#define CANDIDATE_MB_TYPE_SKIPPED (1 << 3) |
||||
|
||||
#define CANDIDATE_MB_TYPE_DIRECT (1 << 4) |
||||
#define CANDIDATE_MB_TYPE_FORWARD (1 << 5) |
||||
#define CANDIDATE_MB_TYPE_BACKWARD (1 << 6) |
||||
#define CANDIDATE_MB_TYPE_BIDIR (1 << 7) |
||||
|
||||
#define CANDIDATE_MB_TYPE_INTER_I (1 << 8) |
||||
#define CANDIDATE_MB_TYPE_FORWARD_I (1 << 9) |
||||
#define CANDIDATE_MB_TYPE_BACKWARD_I (1 << 10) |
||||
#define CANDIDATE_MB_TYPE_BIDIR_I (1 << 11) |
||||
|
||||
#define CANDIDATE_MB_TYPE_DIRECT0 (1 << 12) |
||||
|
||||
#endif /* AVCODEC_PICTTYPE_H */ |
||||
Loading…
Reference in new issue