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Diffstat (limited to 'ffmpeg1/libavcodec/rv34.h')
| -rw-r--r-- | ffmpeg1/libavcodec/rv34.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/ffmpeg1/libavcodec/rv34.h b/ffmpeg1/libavcodec/rv34.h deleted file mode 100644 index 475f17a..0000000 --- a/ffmpeg1/libavcodec/rv34.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * 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 - * RV30 and RV40 decoder common data declarations - */ - -#ifndef AVCODEC_RV34_H -#define AVCODEC_RV34_H - -#include "avcodec.h" -#include "mpegvideo.h" - -#include "h264pred.h" -#include "rv34dsp.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; - RV34DSPContext rdsp; - 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 - 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; - int scaled_weight; - int weight1, weight2; ///< B frame distance fractions (0.14) used in motion compensation - int mv_weight1, mv_weight2; - - uint16_t *cbp_luma; ///< CBP values for luma subblocks - uint8_t *cbp_chroma; ///< CBP values for chroma subblocks - uint16_t *deblock_coefs; ///< deblock coefficients for each macroblock - - /** 8x8 block available flags (for MV prediction) */ - DECLARE_ALIGNED(8, uint32_t, avail_cache)[3*4]; - - /** temporary blocks for RV4 weighted MC */ - uint8_t *tmp_b_block_y[2]; - uint8_t *tmp_b_block_uv[4]; - uint8_t *tmp_b_block_base; - - 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 *got_frame, AVPacket *avpkt); -int ff_rv34_decode_end(AVCodecContext *avctx); -int ff_rv34_decode_init_thread_copy(AVCodecContext *avctx); -int ff_rv34_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src); - -#endif /* AVCODEC_RV34_H */ |