diff options
author | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
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committer | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
commit | 726a91b12a7524e45e7a901c9e4883af5b1bffe6 (patch) | |
tree | f5d25e3b2e84c92f4901280c73d5d3d7e6c3cd19 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h | |
parent | 02183f6e47ad4ea1057de9950482f291f2ae4290 (diff) |
Rename several directories to use MixedCase instead of lowercase.
They now mostly match the case used in #includes,
and they're consistent with the names of the .h files they contain.
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1648 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h')
-rw-r--r-- | src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h new file mode 100644 index 000000000..c199ea97f --- /dev/null +++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rv34.h @@ -0,0 +1,130 @@ +/* + * RV30/40 decoder common data declarations + * Copyright (c) 2007 Mike Melanson, Konstantin Shishkov + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/rv34.h + * RV30 and RV40 decoder common data declarations + */ + +#ifndef AVCODEC_RV34_H +#define AVCODEC_RV34_H + +#include "avcodec.h" +#include "dsputil.h" +#include "mpegvideo.h" + +#include "h264pred.h" + +#define MB_TYPE_SEPARATE_DC 0x01000000 +#define IS_SEPARATE_DC(a) ((a) & MB_TYPE_SEPARATE_DC) + +/** + * RV30 and RV40 Macroblock types + */ +enum RV40BlockTypes{ + RV34_MB_TYPE_INTRA, ///< Intra macroblock + RV34_MB_TYPE_INTRA16x16, ///< Intra macroblock with DCs in a separate 4x4 block + RV34_MB_P_16x16, ///< P-frame macroblock, one motion frame + RV34_MB_P_8x8, ///< P-frame macroblock, 8x8 motion compensation partitions + RV34_MB_B_FORWARD, ///< B-frame macroblock, forward prediction + RV34_MB_B_BACKWARD, ///< B-frame macroblock, backward prediction + RV34_MB_SKIP, ///< Skipped block + RV34_MB_B_DIRECT, ///< Bidirectionally predicted B-frame macroblock, no motion vectors + RV34_MB_P_16x8, ///< P-frame macroblock, 16x8 motion compensation partitions + RV34_MB_P_8x16, ///< P-frame macroblock, 8x16 motion compensation partitions + RV34_MB_B_BIDIR, ///< Bidirectionally predicted B-frame macroblock, two motion vectors + RV34_MB_P_MIX16x16, ///< P-frame macroblock with DCs in a separate 4x4 block, one motion vector + RV34_MB_TYPES +}; + +/** + * VLC tables used by the decoder + * + * Intra frame VLC sets do not contain some of those tables. + */ +typedef struct RV34VLC{ + VLC cbppattern[2]; ///< VLCs used for pattern of coded block patterns decoding + VLC cbp[2][4]; ///< VLCs used for coded block patterns decoding + VLC first_pattern[4]; ///< VLCs used for decoding coefficients in the first subblock + VLC second_pattern[2]; ///< VLCs used for decoding coefficients in the subblocks 2 and 3 + VLC third_pattern[2]; ///< VLCs used for decoding coefficients in the last subblock + VLC coefficient; ///< VLCs used for decoding big coefficients +}RV34VLC; + +/** essential slice information */ +typedef struct SliceInfo{ + int type; ///< slice type (intra, inter) + int quant; ///< quantizer used for this slice + int vlc_set; ///< VLCs used for this slice + int start, end; ///< start and end macroblocks of the slice + int width; ///< coded width + int height; ///< coded height + int pts; ///< frame timestamp +}SliceInfo; + +/** decoder context */ +typedef struct RV34DecContext{ + MpegEncContext s; + int8_t *intra_types_hist;///< old block types, used for prediction + int8_t *intra_types; ///< block types + int intra_types_stride;///< block types array stride + const uint8_t *luma_dc_quant_i;///< luma subblock DC quantizer for intraframes + const uint8_t *luma_dc_quant_p;///< luma subblock DC quantizer for interframes + + RV34VLC *cur_vlcs; ///< VLC set used for current frame decoding + int bits; ///< slice size in bits + H264PredContext h; ///< functions for 4x4 and 16x16 intra block prediction + SliceInfo si; ///< current slice information + + int *mb_type; ///< internal macroblock types + int block_type; ///< current block type + int luma_vlc; ///< which VLC set will be used for decoding of luma blocks + int chroma_vlc; ///< which VLC set will be used for decoding of chroma blocks + int is16; ///< current block has additional 16x16 specific features or not + int dmv[4][2]; ///< differential motion vectors for the current macroblock + + int rv30; ///< indicates which RV variasnt is currently decoded + int rpr; ///< one field size in RV30 slice header + + int cur_pts, last_pts, next_pts; + + uint16_t *cbp_luma; ///< CBP values for luma subblocks + uint8_t *cbp_chroma; ///< CBP values for chroma subblocks + int *deblock_coefs; ///< deblock coefficients for each macroblock + + /** 8x8 block available flags (for MV prediction) */ + DECLARE_ALIGNED_8(uint32_t, avail_cache)[3*4]; + + int (*parse_slice_header)(struct RV34DecContext *r, GetBitContext *gb, SliceInfo *si); + int (*decode_mb_info)(struct RV34DecContext *r); + int (*decode_intra_types)(struct RV34DecContext *r, GetBitContext *gb, int8_t *dst); + void (*loop_filter)(struct RV34DecContext *r, int row); +}RV34DecContext; + +/** + * common decoding functions + */ +int ff_rv34_get_start_offset(GetBitContext *gb, int blocks); +int ff_rv34_decode_init(AVCodecContext *avctx); +int ff_rv34_decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size); +int ff_rv34_decode_end(AVCodecContext *avctx); + +#endif /* AVCODEC_RV34_H */ |