2 * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
12 #ifndef __INC_VP8C_INT_H
13 #define __INC_VP8C_INT_H
15 #include "vpx_config.h"
16 #include "vpx/internal/vpx_codec_internal.h"
17 #include "loopfilter.h"
18 #include "entropymv.h"
24 //#ifdef PACKET_TESTING
28 /* Create/destroy static data structures. */
30 void vp8_initialize_common(void);
34 #define QINDEX_RANGE (MAXQ + 1)
36 #define NUM_YV12_BUFFERS 4
38 typedef struct frame_contexts
40 vp8_prob bmode_prob [VP8_BINTRAMODES-1];
41 vp8_prob ymode_prob [VP8_YMODES-1]; /* interframe intra mode probs */
42 vp8_prob uv_mode_prob [VP8_UV_MODES-1];
43 vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1];
44 vp8_prob coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1];
46 MV_CONTEXT pre_mvc[2]; //not to caculate the mvcost for the frame if mvc doesn't change.
59 RECON_CLAMP_REQUIRED = 0,
60 RECON_CLAMP_NOTREQUIRED = 1
67 } INTERPOLATIONFILTERTYPE;
69 typedef struct VP8_COMMON_RTCD
71 #if CONFIG_RUNTIME_CPU_DETECT
72 vp8_idct_rtcd_vtable_t idct;
73 vp8_recon_rtcd_vtable_t recon;
74 vp8_subpix_rtcd_vtable_t subpix;
75 vp8_loopfilter_rtcd_vtable_t loopfilter;
76 vp8_postproc_rtcd_vtable_t postproc;
82 typedef struct VP8Common
84 struct vpx_internal_error_info error;
86 DECLARE_ALIGNED(16, short, Y1dequant[QINDEX_RANGE][4][4]);
87 DECLARE_ALIGNED(16, short, Y2dequant[QINDEX_RANGE][4][4]);
88 DECLARE_ALIGNED(16, short, UVdequant[QINDEX_RANGE][4][4]);
96 CLAMP_TYPE clamp_type;
98 YV12_BUFFER_CONFIG *frame_to_show;
100 YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
101 int fb_idx_ref_cnt[NUM_YV12_BUFFERS];
102 int new_fb_idx, lst_fb_idx, gld_fb_idx, alt_fb_idx;
104 YV12_BUFFER_CONFIG post_proc_buffer;
105 YV12_BUFFER_CONFIG temp_scale_frame;
107 FRAME_TYPE last_frame_type; //Add to check if vp8_frame_init_loop_filter() can be skipped.
108 FRAME_TYPE frame_type;
116 int mode_info_stride;
119 int mb_no_coeff_skip;
122 int use_bilinear_mc_filter;
126 int last_kf_gf_q; // Q used on the last GF or KF
134 unsigned int frames_since_golden;
135 unsigned int frames_till_alt_ref_frame;
137 /* We allocate a MODE_INFO struct for each macroblock, together with
138 an extra row on top and column on the left to simplify prediction. */
140 MODE_INFO *mip; /* Base of allocated array */
141 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
144 INTERPOLATIONFILTERTYPE mcomp_filter_type;
145 LOOPFILTERTYPE last_filter_type;
146 LOOPFILTERTYPE filter_type;
147 loop_filter_info lf_info[MAX_LOOP_FILTER+1];
148 prototype_loopfilter_block((*lf_mbv));
149 prototype_loopfilter_block((*lf_mbh));
150 prototype_loopfilter_block((*lf_bv));
151 prototype_loopfilter_block((*lf_bh));
153 int last_sharpness_level;
156 int refresh_last_frame; // Two state 0 = NO, 1 = YES
157 int refresh_golden_frame; // Two state 0 = NO, 1 = YES
158 int refresh_alt_ref_frame; // Two state 0 = NO, 1 = YES
160 int copy_buffer_to_gf; // 0 none, 1 Last to GF, 2 ARF to GF
161 int copy_buffer_to_arf; // 0 none, 1 Last to ARF, 2 GF to ARF
163 int refresh_entropy_probs; // Two state 0 = NO, 1 = YES
165 int ref_frame_sign_bias[MAX_REF_FRAMES]; // Two state 0, 1
168 ENTROPY_CONTEXT_PLANES *above_context; // row of context for each plane
169 ENTROPY_CONTEXT_PLANES left_context; // (up to) 4 contexts ""
172 // keyframe block modes are predicted by their above, left neighbors
174 vp8_prob kf_bmode_prob [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES-1];
175 vp8_prob kf_ymode_prob [VP8_YMODES-1]; /* keyframe "" */
176 vp8_prob kf_uv_mode_prob [VP8_UV_MODES-1];
179 FRAME_CONTEXT lfc; // last frame entropy
180 FRAME_CONTEXT fc; // this frame entropy
182 unsigned int current_video_frame;
187 TOKEN_PARTITION multi_token_partition;
189 #ifdef PACKET_TESTING
195 #if CONFIG_RUNTIME_CPU_DETECT
196 VP8_COMMON_RTCD rtcd;
198 struct postproc_state postproc_state;
202 void vp8_adjust_mb_lf_value(MACROBLOCKD *mbd, int *filter_level);
203 void vp8_init_loop_filter(VP8_COMMON *cm);
204 void vp8_frame_init_loop_filter(loop_filter_info *lfi, int frame_type);
205 extern void vp8_loop_filter_frame(VP8_COMMON *cm, MACROBLOCKD *mbd, int filt_val);