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author | Jason Garrett-Glaser <jason@x264.com> | 2011-02-16 09:49:50 -0800 |
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committer | Jason Garrett-Glaser <jason@x264.com> | 2011-02-17 15:25:16 -0800 |
commit | bcf4568f183055331415ba230e82af6d59faac1c (patch) | |
tree | 9e0018febcef9d048f7c17fdda3a72e3b49dc265 /libavcodec/vp8.c | |
parent | 7634771e70575b2a5abaeb420c5b3c2f9948c693 (diff) | |
download | ffmpeg-bcf4568f183055331415ba230e82af6d59faac1c.tar.gz |
VP8: split out declarations to new header
Diffstat (limited to 'libavcodec/vp8.c')
-rw-r--r-- | libavcodec/vp8.c | 177 |
1 files changed, 1 insertions, 176 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 2d2a99d960..566ec65380 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -24,189 +24,14 @@ #include "libavutil/imgutils.h" #include "avcodec.h" -#include "vp56.h" +#include "vp8.h" #include "vp8data.h" -#include "vp8dsp.h" -#include "h264pred.h" #include "rectangle.h" #if ARCH_ARM # include "arm/vp8.h" #endif -typedef struct { - uint8_t filter_level; - uint8_t inner_limit; - uint8_t inner_filter; -} VP8FilterStrength; - -typedef struct { - uint8_t skip; - // todo: make it possible to check for at least (i4x4 or split_mv) - // in one op. are others needed? - uint8_t mode; - uint8_t ref_frame; - uint8_t partitioning; - VP56mv mv; - VP56mv bmv[16]; -} VP8Macroblock; - -typedef struct { - AVCodecContext *avctx; - DSPContext dsp; - VP8DSPContext vp8dsp; - H264PredContext hpc; - vp8_mc_func put_pixels_tab[3][3][3]; - AVFrame frames[4]; - AVFrame *framep[4]; - uint8_t *edge_emu_buffer; - VP56RangeCoder c; ///< header context, includes mb modes and motion vectors - int profile; - - int mb_width; /* number of horizontal MB */ - int mb_height; /* number of vertical MB */ - int linesize; - int uvlinesize; - - int keyframe; - int invisible; - int update_last; ///< update VP56_FRAME_PREVIOUS with the current one - int update_golden; ///< VP56_FRAME_NONE if not updated, or which frame to copy if so - int update_altref; - int deblock_filter; - - /** - * If this flag is not set, all the probability updates - * are discarded after this frame is decoded. - */ - int update_probabilities; - - /** - * All coefficients are contained in separate arith coding contexts. - * There can be 1, 2, 4, or 8 of these after the header context. - */ - int num_coeff_partitions; - VP56RangeCoder coeff_partition[8]; - - VP8Macroblock *macroblocks; - VP8Macroblock *macroblocks_base; - VP8FilterStrength *filter_strength; - - uint8_t *intra4x4_pred_mode_top; - uint8_t intra4x4_pred_mode_left[4]; - uint8_t *segmentation_map; - - /** - * Cache of the top row needed for intra prediction - * 16 for luma, 8 for each chroma plane - */ - uint8_t (*top_border)[16+8+8]; - - /** - * For coeff decode, we need to know whether the above block had non-zero - * coefficients. This means for each macroblock, we need data for 4 luma - * blocks, 2 u blocks, 2 v blocks, and the luma dc block, for a total of 9 - * per macroblock. We keep the last row in top_nnz. - */ - uint8_t (*top_nnz)[9]; - DECLARE_ALIGNED(8, uint8_t, left_nnz)[9]; - - /** - * This is the index plus one of the last non-zero coeff - * for each of the blocks in the current macroblock. - * So, 0 -> no coeffs - * 1 -> dc-only (special transform) - * 2+-> full transform - */ - DECLARE_ALIGNED(16, uint8_t, non_zero_count_cache)[6][4]; - DECLARE_ALIGNED(16, DCTELEM, block)[6][4][16]; - DECLARE_ALIGNED(16, DCTELEM, block_dc)[16]; - uint8_t intra4x4_pred_mode_mb[16]; - - int chroma_pred_mode; ///< 8x8c pred mode of the current macroblock - int segment; ///< segment of the current macroblock - VP56mv mv_min; - VP56mv mv_max; - - int mbskip_enabled; - int sign_bias[4]; ///< one state [0, 1] per ref frame type - int ref_count[3]; - - /** - * Base parameters for segmentation, i.e. per-macroblock parameters. - * These must be kept unchanged even if segmentation is not used for - * a frame, since the values persist between interframes. - */ - struct { - int enabled; - int absolute_vals; - int update_map; - int8_t base_quant[4]; - int8_t filter_level[4]; ///< base loop filter level - } segmentation; - - /** - * Macroblocks can have one of 4 different quants in a frame when - * segmentation is enabled. - * If segmentation is disabled, only the first segment's values are used. - */ - struct { - // [0] - DC qmul [1] - AC qmul - int16_t luma_qmul[2]; - int16_t luma_dc_qmul[2]; ///< luma dc-only block quant - int16_t chroma_qmul[2]; - } qmat[4]; - - struct { - int simple; - int level; - int sharpness; - } filter; - - struct { - int enabled; ///< whether each mb can have a different strength based on mode/ref - - /** - * filter strength adjustment for the following macroblock modes: - * [0-3] - i16x16 (always zero) - * [4] - i4x4 - * [5] - zero mv - * [6] - inter modes except for zero or split mv - * [7] - split mv - * i16x16 modes never have any adjustment - */ - int8_t mode[VP8_MVMODE_SPLIT+1]; - - /** - * filter strength adjustment for macroblocks that reference: - * [0] - intra / VP56_FRAME_CURRENT - * [1] - VP56_FRAME_PREVIOUS - * [2] - VP56_FRAME_GOLDEN - * [3] - altref / VP56_FRAME_GOLDEN2 - */ - int8_t ref[4]; - } lf_delta; - - /** - * These are all of the updatable probabilities for binary decisions. - * They are only implictly reset on keyframes, making it quite likely - * for an interframe to desync if a prior frame's header was corrupt - * or missing outright! - */ - struct { - uint8_t segmentid[3]; - uint8_t mbskip; - uint8_t intra; - uint8_t last; - uint8_t golden; - uint8_t pred16x16[4]; - uint8_t pred8x8c[3]; - /* Padded to allow overreads */ - uint8_t token[4][17][3][NUM_DCT_TOKENS-1]; - uint8_t mvc[2][19]; - } prob[2]; -} VP8Context; - static void vp8_decode_flush(AVCodecContext *avctx) { VP8Context *s = avctx->priv_data; |