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Diffstat (limited to 'media/libvpx/vp8/common/blockd.h')
| -rw-r--r-- | media/libvpx/vp8/common/blockd.h | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/blockd.h b/media/libvpx/vp8/common/blockd.h new file mode 100644 index 000000000..192108a06 --- /dev/null +++ b/media/libvpx/vp8/common/blockd.h @@ -0,0 +1,312 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + + +#ifndef VP8_COMMON_BLOCKD_H_ +#define VP8_COMMON_BLOCKD_H_ + +void vpx_log(const char *format, ...); + +#include "vpx_config.h" +#include "vpx_scale/yv12config.h" +#include "mv.h" +#include "treecoder.h" +#include "vpx_ports/mem.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/*#define DCPRED 1*/ +#define DCPREDSIMTHRESH 0 +#define DCPREDCNTTHRESH 3 + +#define MB_FEATURE_TREE_PROBS 3 +#define MAX_MB_SEGMENTS 4 + +#define MAX_REF_LF_DELTAS 4 +#define MAX_MODE_LF_DELTAS 4 + +/* Segment Feature Masks */ +#define SEGMENT_DELTADATA 0 +#define SEGMENT_ABSDATA 1 + +typedef struct +{ + int r, c; +} POS; + +#define PLANE_TYPE_Y_NO_DC 0 +#define PLANE_TYPE_Y2 1 +#define PLANE_TYPE_UV 2 +#define PLANE_TYPE_Y_WITH_DC 3 + + +typedef char ENTROPY_CONTEXT; +typedef struct +{ + ENTROPY_CONTEXT y1[4]; + ENTROPY_CONTEXT u[2]; + ENTROPY_CONTEXT v[2]; + ENTROPY_CONTEXT y2; +} ENTROPY_CONTEXT_PLANES; + +extern const unsigned char vp8_block2left[25]; +extern const unsigned char vp8_block2above[25]; + +#define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \ + Dest = (A)+(B); + + +typedef enum +{ + KEY_FRAME = 0, + INTER_FRAME = 1 +} FRAME_TYPE; + +typedef enum +{ + DC_PRED, /* average of above and left pixels */ + V_PRED, /* vertical prediction */ + H_PRED, /* horizontal prediction */ + TM_PRED, /* Truemotion prediction */ + B_PRED, /* block based prediction, each block has its own prediction mode */ + + NEARESTMV, + NEARMV, + ZEROMV, + NEWMV, + SPLITMV, + + MB_MODE_COUNT +} MB_PREDICTION_MODE; + +/* Macroblock level features */ +typedef enum +{ + MB_LVL_ALT_Q = 0, /* Use alternate Quantizer .... */ + MB_LVL_ALT_LF = 1, /* Use alternate loop filter value... */ + MB_LVL_MAX = 2 /* Number of MB level features supported */ + +} MB_LVL_FEATURES; + +/* Segment Feature Masks */ +#define SEGMENT_ALTQ 0x01 +#define SEGMENT_ALT_LF 0x02 + +#define VP8_YMODES (B_PRED + 1) +#define VP8_UV_MODES (TM_PRED + 1) + +#define VP8_MVREFS (1 + SPLITMV - NEARESTMV) + +typedef enum +{ + B_DC_PRED, /* average of above and left pixels */ + B_TM_PRED, + + B_VE_PRED, /* vertical prediction */ + B_HE_PRED, /* horizontal prediction */ + + B_LD_PRED, + B_RD_PRED, + + B_VR_PRED, + B_VL_PRED, + B_HD_PRED, + B_HU_PRED, + + LEFT4X4, + ABOVE4X4, + ZERO4X4, + NEW4X4, + + B_MODE_COUNT +} B_PREDICTION_MODE; + +#define VP8_BINTRAMODES (B_HU_PRED + 1) /* 10 */ +#define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4) + +/* For keyframes, intra block modes are predicted by the (already decoded) + modes for the Y blocks to the left and above us; for interframes, there + is a single probability table. */ + +union b_mode_info +{ + B_PREDICTION_MODE as_mode; + int_mv mv; +}; + +typedef enum +{ + INTRA_FRAME = 0, + LAST_FRAME = 1, + GOLDEN_FRAME = 2, + ALTREF_FRAME = 3, + MAX_REF_FRAMES = 4 +} MV_REFERENCE_FRAME; + +typedef struct +{ + uint8_t mode, uv_mode; + uint8_t ref_frame; + uint8_t is_4x4; + int_mv mv; + + uint8_t partitioning; + uint8_t mb_skip_coeff; /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */ + uint8_t need_to_clamp_mvs; + uint8_t segment_id; /* Which set of segmentation parameters should be used for this MB */ +} MB_MODE_INFO; + +typedef struct modeinfo +{ + MB_MODE_INFO mbmi; + union b_mode_info bmi[16]; +} MODE_INFO; + +#if CONFIG_MULTI_RES_ENCODING +/* The mb-level information needed to be stored for higher-resolution encoder */ +typedef struct +{ + MB_PREDICTION_MODE mode; + MV_REFERENCE_FRAME ref_frame; + int_mv mv; + int dissim; /* dissimilarity level of the macroblock */ +} LOWER_RES_MB_INFO; + +/* The frame-level information needed to be stored for higher-resolution + * encoder */ +typedef struct +{ + FRAME_TYPE frame_type; + int is_frame_dropped; + // The frame rate for the lowest resolution. + double low_res_framerate; + /* The frame number of each reference frames */ + unsigned int low_res_ref_frames[MAX_REF_FRAMES]; + // The video frame counter value for the key frame, for lowest resolution. + unsigned int key_frame_counter_value; + LOWER_RES_MB_INFO *mb_info; +} LOWER_RES_FRAME_INFO; +#endif + +typedef struct blockd +{ + short *qcoeff; + short *dqcoeff; + unsigned char *predictor; + short *dequant; + + int offset; + char *eob; + + union b_mode_info bmi; +} BLOCKD; + +typedef void (*vp8_subpix_fn_t)(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch); + +typedef struct macroblockd +{ + DECLARE_ALIGNED(16, unsigned char, predictor[384]); + DECLARE_ALIGNED(16, short, qcoeff[400]); + DECLARE_ALIGNED(16, short, dqcoeff[400]); + DECLARE_ALIGNED(16, char, eobs[25]); + + DECLARE_ALIGNED(16, short, dequant_y1[16]); + DECLARE_ALIGNED(16, short, dequant_y1_dc[16]); + DECLARE_ALIGNED(16, short, dequant_y2[16]); + DECLARE_ALIGNED(16, short, dequant_uv[16]); + + /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */ + BLOCKD block[25]; + int fullpixel_mask; + + YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */ + YV12_BUFFER_CONFIG dst; + + MODE_INFO *mode_info_context; + int mode_info_stride; + + FRAME_TYPE frame_type; + + int up_available; + int left_available; + + unsigned char *recon_above[3]; + unsigned char *recon_left[3]; + int recon_left_stride[2]; + + /* Y,U,V,Y2 */ + ENTROPY_CONTEXT_PLANES *above_context; + ENTROPY_CONTEXT_PLANES *left_context; + + /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */ + unsigned char segmentation_enabled; + + /* 0 (do not update) 1 (update) the macroblock segmentation map. */ + unsigned char update_mb_segmentation_map; + + /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */ + unsigned char update_mb_segmentation_data; + + /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */ + unsigned char mb_segement_abs_delta; + + /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */ + /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */ + vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS]; /* Probability Tree used to code Segment number */ + + signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; /* Segment parameters */ + + /* mode_based Loop filter adjustment */ + unsigned char mode_ref_lf_delta_enabled; + unsigned char mode_ref_lf_delta_update; + + /* Delta values have the range +/- MAX_LOOP_FILTER */ + signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */ + signed char ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */ + signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */ + signed char mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */ + + /* Distance of MB away from frame edges */ + int mb_to_left_edge; + int mb_to_right_edge; + int mb_to_top_edge; + int mb_to_bottom_edge; + + + + vp8_subpix_fn_t subpixel_predict; + vp8_subpix_fn_t subpixel_predict8x4; + vp8_subpix_fn_t subpixel_predict8x8; + vp8_subpix_fn_t subpixel_predict16x16; + + void *current_bc; + + int corrupted; + +#if ARCH_X86 || ARCH_X86_64 + /* This is an intermediate buffer currently used in sub-pixel motion search + * to keep a copy of the reference area. This buffer can be used for other + * purpose. + */ + DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]); +#endif +} MACROBLOCKD; + + +extern void vp8_build_block_doffsets(MACROBLOCKD *x); +extern void vp8_setup_block_dptrs(MACROBLOCKD *x); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP8_COMMON_BLOCKD_H_ |