move segmentation_common to encoder
[libvpx.git] / vp8 / encoder / encodeframe.c
blob0f9bf4a1d855645e93709d9f3326792fec9286fc
1 /*
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.
9 */
12 #include "vpx_ports/config.h"
13 #include "encodemb.h"
14 #include "encodemv.h"
15 #include "common.h"
16 #include "onyx_int.h"
17 #include "extend.h"
18 #include "entropymode.h"
19 #include "quant_common.h"
20 #include "segmentation.h"
21 #include "setupintrarecon.h"
22 #include "encodeintra.h"
23 #include "reconinter.h"
24 #include "rdopt.h"
25 #include "pickinter.h"
26 #include "findnearmv.h"
27 #include "reconintra.h"
28 #include <stdio.h>
29 #include <limits.h>
30 #include "subpixel.h"
31 #include "vpx_ports/vpx_timer.h"
33 #if CONFIG_RUNTIME_CPU_DETECT
34 #define RTCD(x) &cpi->common.rtcd.x
35 #define IF_RTCD(x) (x)
36 #else
37 #define RTCD(x) NULL
38 #define IF_RTCD(x) NULL
39 #endif
40 extern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t) ;
42 extern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex);
43 extern void vp8_auto_select_speed(VP8_COMP *cpi);
44 extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
45 MACROBLOCK *x,
46 MB_ROW_COMP *mbr_ei,
47 int mb_row,
48 int count);
49 void vp8_build_block_offsets(MACROBLOCK *x);
50 void vp8_setup_block_ptrs(MACROBLOCK *x);
51 int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);
52 int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);
54 #ifdef MODE_STATS
55 unsigned int inter_y_modes[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
56 unsigned int inter_uv_modes[4] = {0, 0, 0, 0};
57 unsigned int inter_b_modes[15] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
58 unsigned int y_modes[5] = {0, 0, 0, 0, 0};
59 unsigned int uv_modes[4] = {0, 0, 0, 0};
60 unsigned int b_modes[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
61 #endif
63 static const int qrounding_factors[129] =
65 56, 56, 56, 56, 48, 48, 56, 56,
66 48, 48, 48, 48, 48, 48, 48, 48,
67 48, 48, 48, 48, 48, 48, 48, 48,
68 48, 48, 48, 48, 48, 48, 48, 48,
69 48, 48, 48, 48, 48, 48, 48, 48,
70 48, 48, 48, 48, 48, 48, 48, 48,
71 48, 48, 48, 48, 48, 48, 48, 48,
72 48, 48, 48, 48, 48, 48, 48, 48,
73 48, 48, 48, 48, 48, 48, 48, 48,
74 48, 48, 48, 48, 48, 48, 48, 48,
75 48, 48, 48, 48, 48, 48, 48, 48,
76 48, 48, 48, 48, 48, 48, 48, 48,
77 48, 48, 48, 48, 48, 48, 48, 48,
78 48, 48, 48, 48, 48, 48, 48, 48,
79 48, 48, 48, 48, 48, 48, 48, 48,
80 48, 48, 48, 48, 48, 48, 48, 48,
81 48,
84 static const int qzbin_factors[129] =
86 72, 72, 72, 72, 80, 80, 72, 72,
87 80, 80, 80, 80, 80, 80, 80, 80,
88 80, 80, 80, 80, 80, 80, 80, 80,
89 80, 80, 80, 80, 80, 80, 80, 80,
90 80, 80, 80, 80, 80, 80, 80, 80,
91 80, 80, 80, 80, 80, 80, 80, 80,
92 80, 80, 80, 80, 80, 80, 80, 80,
93 80, 80, 80, 80, 80, 80, 80, 80,
94 80, 80, 80, 80, 80, 80, 80, 80,
95 80, 80, 80, 80, 80, 80, 80, 80,
96 80, 80, 80, 80, 80, 80, 80, 80,
97 80, 80, 80, 80, 80, 80, 80, 80,
98 80, 80, 80, 80, 80, 80, 80, 80,
99 80, 80, 80, 80, 80, 80, 80, 80,
100 80, 80, 80, 80, 80, 80, 80, 80,
101 80, 80, 80, 80, 80, 80, 80, 80,
104 //#define EXACT_QUANT
105 #ifdef EXACT_QUANT
106 static void vp8cx_invert_quant(short *quant, short *shift, short d)
108 unsigned t;
109 int l;
110 t = d;
111 for(l = 0; t > 1; l++)
112 t>>=1;
113 t = 1 + (1<<(16+l))/d;
114 *quant = (short)(t - (1<<16));
115 *shift = l;
118 void vp8cx_init_quantizer(VP8_COMP *cpi)
120 int r, c;
121 int i;
122 int quant_val;
123 int Q;
125 int zbin_boost[16] = {0, 0, 8, 10, 12, 14, 16, 20, 24, 28, 32, 36, 40, 44, 44, 44};
127 for (Q = 0; Q < QINDEX_RANGE; Q++)
129 // dc values
130 quant_val = vp8_dc_quant(Q, cpi->common.y1dc_delta_q);
131 vp8cx_invert_quant(cpi->Y1quant[Q][0] + 0,
132 cpi->Y1quant_shift[Q][0] + 0, quant_val);
133 cpi->Y1zbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
134 cpi->Y1round[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
135 cpi->common.Y1dequant[Q][0][0] = quant_val;
136 cpi->zrun_zbin_boost_y1[Q][0] = (quant_val * zbin_boost[0]) >> 7;
138 quant_val = vp8_dc2quant(Q, cpi->common.y2dc_delta_q);
139 vp8cx_invert_quant(cpi->Y2quant[Q][0] + 0,
140 cpi->Y2quant_shift[Q][0] + 0, quant_val);
141 cpi->Y2zbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
142 cpi->Y2round[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
143 cpi->common.Y2dequant[Q][0][0] = quant_val;
144 cpi->zrun_zbin_boost_y2[Q][0] = (quant_val * zbin_boost[0]) >> 7;
146 quant_val = vp8_dc_uv_quant(Q, cpi->common.uvdc_delta_q);
147 vp8cx_invert_quant(cpi->UVquant[Q][0] + 0,
148 cpi->UVquant_shift[Q][0] + 0, quant_val);
149 cpi->UVzbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;;
150 cpi->UVround[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
151 cpi->common.UVdequant[Q][0][0] = quant_val;
152 cpi->zrun_zbin_boost_uv[Q][0] = (quant_val * zbin_boost[0]) >> 7;
154 // all the ac values = ;
155 for (i = 1; i < 16; i++)
157 int rc = vp8_default_zig_zag1d[i];
158 r = (rc >> 2);
159 c = (rc & 3);
161 quant_val = vp8_ac_yquant(Q);
162 vp8cx_invert_quant(cpi->Y1quant[Q][r] + c,
163 cpi->Y1quant_shift[Q][r] + c, quant_val);
164 cpi->Y1zbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
165 cpi->Y1round[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
166 cpi->common.Y1dequant[Q][r][c] = quant_val;
167 cpi->zrun_zbin_boost_y1[Q][i] = (quant_val * zbin_boost[i]) >> 7;
169 quant_val = vp8_ac2quant(Q, cpi->common.y2ac_delta_q);
170 vp8cx_invert_quant(cpi->Y2quant[Q][r] + c,
171 cpi->Y2quant_shift[Q][r] + c, quant_val);
172 cpi->Y2zbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
173 cpi->Y2round[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
174 cpi->common.Y2dequant[Q][r][c] = quant_val;
175 cpi->zrun_zbin_boost_y2[Q][i] = (quant_val * zbin_boost[i]) >> 7;
177 quant_val = vp8_ac_uv_quant(Q, cpi->common.uvac_delta_q);
178 vp8cx_invert_quant(cpi->UVquant[Q][r] + c,
179 cpi->UVquant_shift[Q][r] + c, quant_val);
180 cpi->UVzbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
181 cpi->UVround[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
182 cpi->common.UVdequant[Q][r][c] = quant_val;
183 cpi->zrun_zbin_boost_uv[Q][i] = (quant_val * zbin_boost[i]) >> 7;
187 #else
188 void vp8cx_init_quantizer(VP8_COMP *cpi)
190 int r, c;
191 int i;
192 int quant_val;
193 int Q;
195 int zbin_boost[16] = {0, 0, 8, 10, 12, 14, 16, 20, 24, 28, 32, 36, 40, 44, 44, 44};
197 for (Q = 0; Q < QINDEX_RANGE; Q++)
199 // dc values
200 quant_val = vp8_dc_quant(Q, cpi->common.y1dc_delta_q);
201 cpi->Y1quant[Q][0][0] = (1 << 16) / quant_val;
202 cpi->Y1zbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
203 cpi->Y1round[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
204 cpi->common.Y1dequant[Q][0][0] = quant_val;
205 cpi->zrun_zbin_boost_y1[Q][0] = (quant_val * zbin_boost[0]) >> 7;
207 quant_val = vp8_dc2quant(Q, cpi->common.y2dc_delta_q);
208 cpi->Y2quant[Q][0][0] = (1 << 16) / quant_val;
209 cpi->Y2zbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
210 cpi->Y2round[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
211 cpi->common.Y2dequant[Q][0][0] = quant_val;
212 cpi->zrun_zbin_boost_y2[Q][0] = (quant_val * zbin_boost[0]) >> 7;
214 quant_val = vp8_dc_uv_quant(Q, cpi->common.uvdc_delta_q);
215 cpi->UVquant[Q][0][0] = (1 << 16) / quant_val;
216 cpi->UVzbin[Q][0][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;;
217 cpi->UVround[Q][0][0] = (qrounding_factors[Q] * quant_val) >> 7;
218 cpi->common.UVdequant[Q][0][0] = quant_val;
219 cpi->zrun_zbin_boost_uv[Q][0] = (quant_val * zbin_boost[0]) >> 7;
221 // all the ac values = ;
222 for (i = 1; i < 16; i++)
224 int rc = vp8_default_zig_zag1d[i];
225 r = (rc >> 2);
226 c = (rc & 3);
228 quant_val = vp8_ac_yquant(Q);
229 cpi->Y1quant[Q][r][c] = (1 << 16) / quant_val;
230 cpi->Y1zbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
231 cpi->Y1round[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
232 cpi->common.Y1dequant[Q][r][c] = quant_val;
233 cpi->zrun_zbin_boost_y1[Q][i] = (quant_val * zbin_boost[i]) >> 7;
235 quant_val = vp8_ac2quant(Q, cpi->common.y2ac_delta_q);
236 cpi->Y2quant[Q][r][c] = (1 << 16) / quant_val;
237 cpi->Y2zbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
238 cpi->Y2round[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
239 cpi->common.Y2dequant[Q][r][c] = quant_val;
240 cpi->zrun_zbin_boost_y2[Q][i] = (quant_val * zbin_boost[i]) >> 7;
242 quant_val = vp8_ac_uv_quant(Q, cpi->common.uvac_delta_q);
243 cpi->UVquant[Q][r][c] = (1 << 16) / quant_val;
244 cpi->UVzbin[Q][r][c] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;
245 cpi->UVround[Q][r][c] = (qrounding_factors[Q] * quant_val) >> 7;
246 cpi->common.UVdequant[Q][r][c] = quant_val;
247 cpi->zrun_zbin_boost_uv[Q][i] = (quant_val * zbin_boost[i]) >> 7;
251 #endif
252 void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
254 int i;
255 int QIndex;
256 MACROBLOCKD *xd = &x->e_mbd;
257 int zbin_extra;
259 // Select the baseline MB Q index.
260 if (xd->segmentation_enabled)
262 // Abs Value
263 if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
265 QIndex = xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];
266 // Delta Value
267 else
269 QIndex = cpi->common.base_qindex + xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];
270 QIndex = (QIndex >= 0) ? ((QIndex <= MAXQ) ? QIndex : MAXQ) : 0; // Clamp to valid range
273 else
274 QIndex = cpi->common.base_qindex;
276 // Y
277 zbin_extra = (cpi->common.Y1dequant[QIndex][0][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;
279 for (i = 0; i < 16; i++)
281 x->block[i].quant = cpi->Y1quant[QIndex];
282 x->block[i].quant_shift = cpi->Y1quant_shift[QIndex];
283 x->block[i].zbin = cpi->Y1zbin[QIndex];
284 x->block[i].round = cpi->Y1round[QIndex];
285 x->e_mbd.block[i].dequant = cpi->common.Y1dequant[QIndex];
286 x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_y1[QIndex];
287 x->block[i].zbin_extra = (short)zbin_extra;
290 // UV
291 zbin_extra = (cpi->common.UVdequant[QIndex][0][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;
293 for (i = 16; i < 24; i++)
295 x->block[i].quant = cpi->UVquant[QIndex];
296 x->block[i].quant_shift = cpi->UVquant_shift[QIndex];
297 x->block[i].zbin = cpi->UVzbin[QIndex];
298 x->block[i].round = cpi->UVround[QIndex];
299 x->e_mbd.block[i].dequant = cpi->common.UVdequant[QIndex];
300 x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_uv[QIndex];
301 x->block[i].zbin_extra = (short)zbin_extra;
304 // Y2
305 zbin_extra = (cpi->common.Y2dequant[QIndex][0][1] * ((cpi->zbin_over_quant / 2) + cpi->zbin_mode_boost)) >> 7;
306 x->block[24].quant = cpi->Y2quant[QIndex];
307 x->block[24].quant_shift = cpi->Y2quant_shift[QIndex];
308 x->block[24].zbin = cpi->Y2zbin[QIndex];
309 x->block[24].round = cpi->Y2round[QIndex];
310 x->e_mbd.block[24].dequant = cpi->common.Y2dequant[QIndex];
311 x->block[24].zrun_zbin_boost = cpi->zrun_zbin_boost_y2[QIndex];
312 x->block[24].zbin_extra = (short)zbin_extra;
315 void vp8cx_frame_init_quantizer(VP8_COMP *cpi)
317 // vp8cx_init_quantizer() is first called in vp8_create_compressor(). A check is added here so that vp8cx_init_quantizer() is only called
318 // when these values are not all zero.
319 if (cpi->common.y1dc_delta_q | cpi->common.y2dc_delta_q | cpi->common.uvdc_delta_q | cpi->common.y2ac_delta_q | cpi->common.uvac_delta_q)
321 vp8cx_init_quantizer(cpi);
324 // MB level quantizer setup
325 vp8cx_mb_init_quantizer(cpi, &cpi->mb);
330 static
331 void encode_mb_row(VP8_COMP *cpi,
332 VP8_COMMON *cm,
333 int mb_row,
334 MACROBLOCK *x,
335 MACROBLOCKD *xd,
336 TOKENEXTRA **tp,
337 int *segment_counts,
338 int *totalrate)
340 int i;
341 int recon_yoffset, recon_uvoffset;
342 int mb_col;
343 int ref_fb_idx = cm->lst_fb_idx;
344 int dst_fb_idx = cm->new_fb_idx;
345 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
346 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
347 int seg_map_index = (mb_row * cpi->common.mb_cols);
350 // reset above block coeffs
351 xd->above_context[Y1CONTEXT] = cm->above_context[Y1CONTEXT];
352 xd->above_context[UCONTEXT ] = cm->above_context[UCONTEXT ];
353 xd->above_context[VCONTEXT ] = cm->above_context[VCONTEXT ];
354 xd->above_context[Y2CONTEXT] = cm->above_context[Y2CONTEXT];
356 xd->up_available = (mb_row != 0);
357 recon_yoffset = (mb_row * recon_y_stride * 16);
358 recon_uvoffset = (mb_row * recon_uv_stride * 8);
360 cpi->tplist[mb_row].start = *tp;
361 //printf("Main mb_row = %d\n", mb_row);
363 // for each macroblock col in image
364 for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
366 // Distance of Mb to the various image edges.
367 // These specified to 8th pel as they are always compared to values that are in 1/8th pel units
368 xd->mb_to_left_edge = -((mb_col * 16) << 3);
369 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
370 xd->mb_to_top_edge = -((mb_row * 16) << 3);
371 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
373 // Set up limit values for motion vectors used to prevent them extending outside the UMV borders
374 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
375 x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
376 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
377 x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
379 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
380 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
381 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
382 xd->left_available = (mb_col != 0);
384 // Is segmentation enabled
385 // MB level adjutment to quantizer
386 if (xd->segmentation_enabled)
388 // Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
389 if (cpi->segmentation_map[seg_map_index+mb_col] <= 3)
390 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[seg_map_index+mb_col];
391 else
392 xd->mode_info_context->mbmi.segment_id = 0;
394 vp8cx_mb_init_quantizer(cpi, x);
396 else
397 xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
399 x->active_ptr = cpi->active_map + seg_map_index + mb_col;
401 if (cm->frame_type == KEY_FRAME)
403 *totalrate += vp8cx_encode_intra_macro_block(cpi, x, tp);
404 #ifdef MODE_STATS
405 y_modes[xd->mbmi.mode] ++;
406 #endif
408 else
410 *totalrate += vp8cx_encode_inter_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset);
412 #ifdef MODE_STATS
413 inter_y_modes[xd->mbmi.mode] ++;
415 if (xd->mbmi.mode == SPLITMV)
417 int b;
419 for (b = 0; b < xd->mbmi.partition_count; b++)
421 inter_b_modes[xd->mbmi.partition_bmi[b].mode] ++;
425 #endif
427 // Count of last ref frame 0,0 useage
428 if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
429 cpi->inter_zz_count ++;
431 // Special case code for cyclic refresh
432 // If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
433 // during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
434 if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
436 cpi->segmentation_map[seg_map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;
438 // If the block has been refreshed mark it as clean (the magnitude of the -ve influences how long it will be before we consider another refresh):
439 // Else if it was coded (last frame 0,0) and has not already been refreshed then mark it as a candidate for cleanup next time (marked 0)
440 // else mark it as dirty (1).
441 if (xd->mode_info_context->mbmi.segment_id)
442 cpi->cyclic_refresh_map[seg_map_index+mb_col] = -1;
443 else if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
445 if (cpi->cyclic_refresh_map[seg_map_index+mb_col] == 1)
446 cpi->cyclic_refresh_map[seg_map_index+mb_col] = 0;
448 else
449 cpi->cyclic_refresh_map[seg_map_index+mb_col] = 1;
454 cpi->tplist[mb_row].stop = *tp;
456 x->gf_active_ptr++; // Increment pointer into gf useage flags structure for next mb
458 for (i = 0; i < 16; i++)
459 vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));
461 // adjust to the next column of macroblocks
462 x->src.y_buffer += 16;
463 x->src.u_buffer += 8;
464 x->src.v_buffer += 8;
466 recon_yoffset += 16;
467 recon_uvoffset += 8;
469 // Keep track of segment useage
470 segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
472 // skip to next mb
473 xd->mode_info_context++;
475 xd->above_context[Y1CONTEXT] += 4;
476 xd->above_context[UCONTEXT ] += 2;
477 xd->above_context[VCONTEXT ] += 2;
478 xd->above_context[Y2CONTEXT] ++;
479 cpi->current_mb_col_main = mb_col;
482 //extend the recon for intra prediction
483 vp8_extend_mb_row(
484 &cm->yv12_fb[dst_fb_idx],
485 xd->dst.y_buffer + 16,
486 xd->dst.u_buffer + 8,
487 xd->dst.v_buffer + 8);
489 // this is to account for the border
490 xd->mode_info_context++;
497 void vp8_encode_frame(VP8_COMP *cpi)
499 int mb_row;
500 MACROBLOCK *const x = & cpi->mb;
501 VP8_COMMON *const cm = & cpi->common;
502 MACROBLOCKD *const xd = & x->e_mbd;
504 int i;
505 TOKENEXTRA *tp = cpi->tok;
506 int segment_counts[MAX_MB_SEGMENTS];
507 int totalrate;
509 if (cm->frame_type != KEY_FRAME)
511 if (cm->mcomp_filter_type == SIXTAP)
513 xd->subpixel_predict = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, sixtap4x4);
514 xd->subpixel_predict8x4 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, sixtap8x4);
515 xd->subpixel_predict8x8 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, sixtap8x8);
516 xd->subpixel_predict16x16 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, sixtap16x16);
518 else
520 xd->subpixel_predict = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, bilinear4x4);
521 xd->subpixel_predict8x4 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, bilinear8x4);
522 xd->subpixel_predict8x8 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, bilinear8x8);
523 xd->subpixel_predict16x16 = SUBPIX_INVOKE(&cpi->common.rtcd.subpix, bilinear16x16);
527 //else // Key Frame
529 // For key frames make sure the intra ref frame probability value
530 // is set to "all intra"
531 //cpi->prob_intra_coded = 255;
535 x->gf_active_ptr = (signed char *)cpi->gf_active_flags; // Point to base of GF active flags data structure
537 x->vector_range = 32;
539 // Count of MBs using the alternate Q if any
540 cpi->alt_qcount = 0;
542 // Reset frame count of inter 0,0 motion vector useage.
543 cpi->inter_zz_count = 0;
545 vpx_memset(segment_counts, 0, sizeof(segment_counts));
547 cpi->prediction_error = 0;
548 cpi->intra_error = 0;
549 cpi->skip_true_count = 0;
550 cpi->skip_false_count = 0;
552 #if 0
553 // Experimental code
554 cpi->frame_distortion = 0;
555 cpi->last_mb_distortion = 0;
556 #endif
558 totalrate = 0;
560 xd->mode_info = cm->mi - 1;
562 xd->mode_info_context = cm->mi;
563 xd->mode_info_stride = cm->mode_info_stride;
565 xd->frame_type = cm->frame_type;
567 xd->frames_since_golden = cm->frames_since_golden;
568 xd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
569 vp8_zero(cpi->MVcount);
570 // vp8_zero( Contexts)
571 vp8_zero(cpi->coef_counts);
573 // reset intra mode contexts
574 if (cm->frame_type == KEY_FRAME)
575 vp8_init_mbmode_probs(cm);
578 vp8cx_frame_init_quantizer(cpi);
580 if (cpi->compressor_speed == 2)
582 if (cpi->oxcf.cpu_used < 0)
583 cpi->Speed = -(cpi->oxcf.cpu_used);
584 else
585 vp8_auto_select_speed(cpi);
588 vp8_initialize_rd_consts(cpi, vp8_dc_quant(cm->base_qindex, cm->y1dc_delta_q));
589 //vp8_initialize_rd_consts( cpi, vp8_dc_quant(cpi->avg_frame_qindex, cm->y1dc_delta_q) );
590 vp8cx_initialize_me_consts(cpi, cm->base_qindex);
591 //vp8cx_initialize_me_consts( cpi, cpi->avg_frame_qindex);
593 // Copy data over into macro block data sturctures.
595 x->src = * cpi->Source;
596 xd->pre = cm->yv12_fb[cm->lst_fb_idx];
597 xd->dst = cm->yv12_fb[cm->new_fb_idx];
599 // set up frame new frame for intra coded blocks
601 vp8_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);
603 vp8_build_block_offsets(x);
605 vp8_setup_block_dptrs(&x->e_mbd);
607 vp8_setup_block_ptrs(x);
609 x->rddiv = cpi->RDDIV;
610 x->rdmult = cpi->RDMULT;
612 #if 0
613 // Experimental rd code
614 // 2 Pass - Possibly set Rdmult based on last frame distortion + this frame target bits or other metrics
615 // such as cpi->rate_correction_factor that indicate relative complexity.
616 /*if ( cpi->pass == 2 && (cpi->last_frame_distortion > 0) && (cpi->target_bits_per_mb > 0) )
618 //x->rdmult = ((cpi->last_frame_distortion * 256)/cpi->common.MBs)/ cpi->target_bits_per_mb;
619 x->rdmult = (int)(cpi->RDMULT * cpi->rate_correction_factor);
621 else
622 x->rdmult = cpi->RDMULT; */
623 //x->rdmult = (int)(cpi->RDMULT * pow( (cpi->rate_correction_factor * 2.0), 0.75 ));
624 #endif
626 xd->mode_info_context->mbmi.mode = DC_PRED;
627 xd->mode_info_context->mbmi.uv_mode = DC_PRED;
629 xd->left_context = cm->left_context;
631 vp8_zero(cpi->count_mb_ref_frame_usage)
632 vp8_zero(cpi->ymode_count)
633 vp8_zero(cpi->uv_mode_count)
635 x->mvc = cm->fc.mvc;
637 // vp8_zero( entropy_stats)
639 ENTROPY_CONTEXT **p = cm->above_context;
640 const size_t L = cm->mb_cols;
642 vp8_zero_array(p [Y1CONTEXT], L * 4)
643 vp8_zero_array(p [ UCONTEXT], L * 2)
644 vp8_zero_array(p [ VCONTEXT], L * 2)
645 vp8_zero_array(p [Y2CONTEXT], L)
650 struct vpx_usec_timer emr_timer;
651 vpx_usec_timer_start(&emr_timer);
653 if (!cpi->b_multi_threaded)
655 // for each macroblock row in image
656 for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
659 vp8_zero(cm->left_context)
661 encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
663 // adjust to the next row of mbs
664 x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
665 x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
666 x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
669 cpi->tok_count = tp - cpi->tok;
672 else
674 #if CONFIG_MULTITHREAD
675 vp8cx_init_mbrthread_data(cpi, x, cpi->mb_row_ei, 1, cpi->encoding_thread_count);
677 for (mb_row = 0; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1))
679 int i;
680 cpi->current_mb_col_main = -1;
682 for (i = 0; i < cpi->encoding_thread_count; i++)
684 if ((mb_row + i + 1) >= cm->mb_rows)
685 break;
687 cpi->mb_row_ei[i].mb_row = mb_row + i + 1;
688 cpi->mb_row_ei[i].tp = cpi->tok + (mb_row + i + 1) * (cm->mb_cols * 16 * 24);
689 cpi->mb_row_ei[i].current_mb_col = -1;
690 //SetEvent(cpi->h_event_mbrencoding[i]);
691 sem_post(&cpi->h_event_mbrencoding[i]);
694 vp8_zero(cm->left_context)
696 tp = cpi->tok + mb_row * (cm->mb_cols * 16 * 24);
698 encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
700 // adjust to the next row of mbs
701 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
702 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
703 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
705 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
707 if (mb_row < cm->mb_rows - 1)
708 //WaitForSingleObject(cpi->h_event_main, INFINITE);
709 sem_wait(&cpi->h_event_main);
713 for( ;mb_row<cm->mb_rows; mb_row ++)
715 vp8_zero( cm->left_context)
717 tp = cpi->tok + mb_row * (cm->mb_cols * 16 * 24);
719 encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
720 // adjust to the next row of mbs
721 x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
722 x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
723 x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
727 cpi->tok_count = 0;
729 for (mb_row = 0; mb_row < cm->mb_rows; mb_row ++)
731 cpi->tok_count += cpi->tplist[mb_row].stop - cpi->tplist[mb_row].start;
734 if (xd->segmentation_enabled)
737 int i, j;
739 if (xd->segmentation_enabled)
742 for (i = 0; i < cpi->encoding_thread_count; i++)
744 for (j = 0; j < 4; j++)
745 segment_counts[j] += cpi->mb_row_ei[i].segment_counts[j];
751 for (i = 0; i < cpi->encoding_thread_count; i++)
753 totalrate += cpi->mb_row_ei[i].totalrate;
756 #endif
760 vpx_usec_timer_mark(&emr_timer);
761 cpi->time_encode_mb_row += vpx_usec_timer_elapsed(&emr_timer);
766 // Work out the segment probabilites if segmentation is enabled
767 if (xd->segmentation_enabled)
769 int tot_count;
770 int i;
772 // Set to defaults
773 vpx_memset(xd->mb_segment_tree_probs, 255 , sizeof(xd->mb_segment_tree_probs));
775 tot_count = segment_counts[0] + segment_counts[1] + segment_counts[2] + segment_counts[3];
777 if (tot_count)
779 xd->mb_segment_tree_probs[0] = ((segment_counts[0] + segment_counts[1]) * 255) / tot_count;
781 tot_count = segment_counts[0] + segment_counts[1];
783 if (tot_count > 0)
785 xd->mb_segment_tree_probs[1] = (segment_counts[0] * 255) / tot_count;
788 tot_count = segment_counts[2] + segment_counts[3];
790 if (tot_count > 0)
791 xd->mb_segment_tree_probs[2] = (segment_counts[2] * 255) / tot_count;
793 // Zero probabilities not allowed
794 for (i = 0; i < MB_FEATURE_TREE_PROBS; i ++)
796 if (xd->mb_segment_tree_probs[i] == 0)
797 xd->mb_segment_tree_probs[i] = 1;
802 // 256 rate units to the bit
803 cpi->projected_frame_size = totalrate >> 8; // projected_frame_size in units of BYTES
805 // Make a note of the percentage MBs coded Intra.
806 if (cm->frame_type == KEY_FRAME)
808 cpi->this_frame_percent_intra = 100;
810 else
812 int tot_modes;
814 tot_modes = cpi->count_mb_ref_frame_usage[INTRA_FRAME]
815 + cpi->count_mb_ref_frame_usage[LAST_FRAME]
816 + cpi->count_mb_ref_frame_usage[GOLDEN_FRAME]
817 + cpi->count_mb_ref_frame_usage[ALTREF_FRAME];
819 if (tot_modes)
820 cpi->this_frame_percent_intra = cpi->count_mb_ref_frame_usage[INTRA_FRAME] * 100 / tot_modes;
824 #if 0
826 int cnt = 0;
827 int flag[2] = {0, 0};
829 for (cnt = 0; cnt < MVPcount; cnt++)
831 if (cm->fc.pre_mvc[0][cnt] != cm->fc.mvc[0][cnt])
833 flag[0] = 1;
834 vpx_memcpy(cm->fc.pre_mvc[0], cm->fc.mvc[0], MVPcount);
835 break;
839 for (cnt = 0; cnt < MVPcount; cnt++)
841 if (cm->fc.pre_mvc[1][cnt] != cm->fc.mvc[1][cnt])
843 flag[1] = 1;
844 vpx_memcpy(cm->fc.pre_mvc[1], cm->fc.mvc[1], MVPcount);
845 break;
849 if (flag[0] || flag[1])
850 vp8_build_component_cost_table(cpi->mb.mvcost, cpi->mb.mvsadcost, (const MV_CONTEXT *) cm->fc.mvc, flag);
852 #endif
854 // Adjust the projected reference frame useage probability numbers to reflect
855 // what we have just seen. This may be usefull when we make multiple itterations
856 // of the recode loop rather than continuing to use values from the previous frame.
857 if ((cm->frame_type != KEY_FRAME) && !cm->refresh_alt_ref_frame && !cm->refresh_golden_frame)
859 const int *const rfct = cpi->count_mb_ref_frame_usage;
860 const int rf_intra = rfct[INTRA_FRAME];
861 const int rf_inter = rfct[LAST_FRAME] + rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME];
863 if ((rf_intra + rf_inter) > 0)
865 cpi->prob_intra_coded = (rf_intra * 255) / (rf_intra + rf_inter);
867 if (cpi->prob_intra_coded < 1)
868 cpi->prob_intra_coded = 1;
870 if ((cm->frames_since_golden > 0) || cpi->source_alt_ref_active)
872 cpi->prob_last_coded = rf_inter ? (rfct[LAST_FRAME] * 255) / rf_inter : 128;
874 if (cpi->prob_last_coded < 1)
875 cpi->prob_last_coded = 1;
877 cpi->prob_gf_coded = (rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME])
878 ? (rfct[GOLDEN_FRAME] * 255) / (rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME]) : 128;
880 if (cpi->prob_gf_coded < 1)
881 cpi->prob_gf_coded = 1;
886 #if 0
887 // Keep record of the total distortion this time around for future use
888 cpi->last_frame_distortion = cpi->frame_distortion;
889 #endif
892 void vp8_setup_block_ptrs(MACROBLOCK *x)
894 int r, c;
895 int i;
897 for (r = 0; r < 4; r++)
899 for (c = 0; c < 4; c++)
901 x->block[r*4+c].src_diff = x->src_diff + r * 4 * 16 + c * 4;
905 for (r = 0; r < 2; r++)
907 for (c = 0; c < 2; c++)
909 x->block[16 + r*2+c].src_diff = x->src_diff + 256 + r * 4 * 8 + c * 4;
914 for (r = 0; r < 2; r++)
916 for (c = 0; c < 2; c++)
918 x->block[20 + r*2+c].src_diff = x->src_diff + 320 + r * 4 * 8 + c * 4;
922 x->block[24].src_diff = x->src_diff + 384;
925 for (i = 0; i < 25; i++)
927 x->block[i].coeff = x->coeff + i * 16;
931 void vp8_build_block_offsets(MACROBLOCK *x)
933 int block = 0;
934 int br, bc;
936 vp8_build_block_doffsets(&x->e_mbd);
938 // y blocks
939 for (br = 0; br < 4; br++)
941 for (bc = 0; bc < 4; bc++)
943 BLOCK *this_block = &x->block[block];
944 this_block->base_src = &x->src.y_buffer;
945 this_block->src_stride = x->src.y_stride;
946 this_block->src = 4 * br * this_block->src_stride + 4 * bc;
947 ++block;
951 // u blocks
952 for (br = 0; br < 2; br++)
954 for (bc = 0; bc < 2; bc++)
956 BLOCK *this_block = &x->block[block];
957 this_block->base_src = &x->src.u_buffer;
958 this_block->src_stride = x->src.uv_stride;
959 this_block->src = 4 * br * this_block->src_stride + 4 * bc;
960 ++block;
964 // v blocks
965 for (br = 0; br < 2; br++)
967 for (bc = 0; bc < 2; bc++)
969 BLOCK *this_block = &x->block[block];
970 this_block->base_src = &x->src.v_buffer;
971 this_block->src_stride = x->src.uv_stride;
972 this_block->src = 4 * br * this_block->src_stride + 4 * bc;
973 ++block;
978 static void sum_intra_stats(VP8_COMP *cpi, MACROBLOCK *x)
980 const MACROBLOCKD *xd = & x->e_mbd;
981 const MB_PREDICTION_MODE m = xd->mode_info_context->mbmi.mode;
982 const MB_PREDICTION_MODE uvm = xd->mode_info_context->mbmi.uv_mode;
984 #ifdef MODE_STATS
985 const int is_key = cpi->common.frame_type == KEY_FRAME;
987 ++ (is_key ? uv_modes : inter_uv_modes)[uvm];
989 if (m == B_PRED)
991 unsigned int *const bct = is_key ? b_modes : inter_b_modes;
993 int b = 0;
997 ++ bct[xd->block[b].bmi.mode];
999 while (++b < 16);
1002 #endif
1004 ++cpi->ymode_count[m];
1005 ++cpi->uv_mode_count[uvm];
1008 int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)
1010 int Error4x4, Error16x16, error_uv;
1011 B_PREDICTION_MODE intra_bmodes[16];
1012 int rate4x4, rate16x16, rateuv;
1013 int dist4x4, dist16x16, distuv;
1014 int rate = 0;
1015 int rate4x4_tokenonly = 0;
1016 int rate16x16_tokenonly = 0;
1017 int rateuv_tokenonly = 0;
1018 int i;
1020 x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
1022 #if !(CONFIG_REALTIME_ONLY)
1024 if (cpi->sf.RD || cpi->compressor_speed != 2)
1026 Error4x4 = vp8_rd_pick_intra4x4mby_modes(cpi, x, &rate4x4, &rate4x4_tokenonly, &dist4x4);
1028 //save the b modes for possible later use
1029 for (i = 0; i < 16; i++)
1030 intra_bmodes[i] = x->e_mbd.block[i].bmi.mode;
1032 Error16x16 = vp8_rd_pick_intra16x16mby_mode(cpi, x, &rate16x16, &rate16x16_tokenonly, &dist16x16);
1034 error_uv = vp8_rd_pick_intra_mbuv_mode(cpi, x, &rateuv, &rateuv_tokenonly, &distuv);
1036 x->e_mbd.mode_info_context->mbmi.mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
1038 vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
1039 rate += rateuv;
1041 if (Error4x4 < Error16x16)
1043 rate += rate4x4;
1044 x->e_mbd.mode_info_context->mbmi.mode = B_PRED;
1046 // get back the intra block modes
1047 for (i = 0; i < 16; i++)
1048 x->e_mbd.block[i].bmi.mode = intra_bmodes[i];
1050 vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
1051 cpi->prediction_error += Error4x4 ;
1052 #if 0
1053 // Experimental RD code
1054 cpi->frame_distortion += dist4x4;
1055 #endif
1057 else
1059 vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
1060 rate += rate16x16;
1062 #if 0
1063 // Experimental RD code
1064 cpi->prediction_error += Error16x16;
1065 cpi->frame_distortion += dist16x16;
1066 #endif
1069 sum_intra_stats(cpi, x);
1071 vp8_tokenize_mb(cpi, &x->e_mbd, t);
1073 else
1074 #endif
1077 int rate2, distortion2;
1078 MB_PREDICTION_MODE mode, best_mode = DC_PRED;
1079 int this_rd;
1080 Error16x16 = INT_MAX;
1082 for (mode = DC_PRED; mode <= TM_PRED; mode ++)
1084 x->e_mbd.mode_info_context->mbmi.mode = mode;
1085 vp8_build_intra_predictors_mby_ptr(&x->e_mbd);
1086 distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);
1087 rate2 = x->mbmode_cost[x->e_mbd.frame_type][mode];
1088 this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
1090 if (Error16x16 > this_rd)
1092 Error16x16 = this_rd;
1093 best_mode = mode;
1097 vp8_pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate2, &distortion2);
1099 if (distortion2 == INT_MAX)
1100 Error4x4 = INT_MAX;
1101 else
1102 Error4x4 = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
1104 x->e_mbd.mode_info_context->mbmi.mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
1106 if (Error4x4 < Error16x16)
1108 x->e_mbd.mode_info_context->mbmi.mode = B_PRED;
1109 vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
1110 cpi->prediction_error += Error4x4;
1112 else
1114 x->e_mbd.mode_info_context->mbmi.mode = best_mode;
1115 vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
1116 cpi->prediction_error += Error16x16;
1119 vp8_pick_intra_mbuv_mode(x);
1120 vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
1121 sum_intra_stats(cpi, x);
1122 vp8_tokenize_mb(cpi, &x->e_mbd, t);
1125 return rate;
1127 #ifdef SPEEDSTATS
1128 extern int cnt_pm;
1129 #endif
1131 extern void vp8_fix_contexts(VP8_COMP *cpi, MACROBLOCKD *x);
1133 int vp8cx_encode_inter_macroblock
1135 VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
1136 int recon_yoffset, int recon_uvoffset
1139 MACROBLOCKD *const xd = &x->e_mbd;
1140 int inter_error;
1141 int intra_error = 0;
1142 int rate;
1143 int distortion;
1145 x->skip = 0;
1147 if (xd->segmentation_enabled)
1148 x->encode_breakout = cpi->segment_encode_breakout[xd->mode_info_context->mbmi.segment_id];
1149 else
1150 x->encode_breakout = cpi->oxcf.encode_breakout;
1152 #if !(CONFIG_REALTIME_ONLY)
1154 if (cpi->sf.RD)
1156 inter_error = vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate, &distortion, &intra_error);
1158 else
1159 #endif
1160 inter_error = vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate, &distortion, &intra_error);
1163 cpi->prediction_error += inter_error;
1164 cpi->intra_error += intra_error;
1166 #if 0
1167 // Experimental RD code
1168 cpi->frame_distortion += distortion;
1169 cpi->last_mb_distortion = distortion;
1170 #endif
1172 // MB level adjutment to quantizer setup
1173 if (xd->segmentation_enabled || cpi->zbin_mode_boost_enabled)
1175 // If cyclic update enabled
1176 if (cpi->cyclic_refresh_mode_enabled)
1178 // Clear segment_id back to 0 if not coded (last frame 0,0)
1179 if ((xd->mode_info_context->mbmi.segment_id == 1) &&
1180 ((xd->mode_info_context->mbmi.ref_frame != LAST_FRAME) || (xd->mode_info_context->mbmi.mode != ZEROMV)))
1182 xd->mode_info_context->mbmi.segment_id = 0;
1186 // Experimental code. Special case for gf and arf zeromv modes. Increase zbin size to supress noise
1187 if (cpi->zbin_mode_boost_enabled)
1189 if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame != LAST_FRAME))
1190 cpi->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
1191 else
1192 cpi->zbin_mode_boost = 0;
1195 vp8cx_mb_init_quantizer(cpi, x);
1198 cpi->count_mb_ref_frame_usage[xd->mode_info_context->mbmi.ref_frame] ++;
1200 if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
1202 x->e_mbd.mode_info_context->mbmi.mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
1204 vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
1206 if (xd->mode_info_context->mbmi.mode == B_PRED)
1208 vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
1210 else
1212 vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
1215 sum_intra_stats(cpi, x);
1217 else
1219 MV best_ref_mv;
1220 MV nearest, nearby;
1221 int mdcounts[4];
1222 int ref_fb_idx;
1224 vp8_find_near_mvs(xd, xd->mode_info_context,
1225 &nearest, &nearby, &best_ref_mv, mdcounts, xd->mode_info_context->mbmi.ref_frame, cpi->common.ref_frame_sign_bias);
1227 vp8_build_uvmvs(xd, cpi->common.full_pixel);
1229 if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)
1230 ref_fb_idx = cpi->common.lst_fb_idx;
1231 else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME)
1232 ref_fb_idx = cpi->common.gld_fb_idx;
1233 else
1234 ref_fb_idx = cpi->common.alt_fb_idx;
1236 xd->pre.y_buffer = cpi->common.yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
1237 xd->pre.u_buffer = cpi->common.yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
1238 xd->pre.v_buffer = cpi->common.yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
1240 if (xd->mode_info_context->mbmi.mode == SPLITMV)
1242 int i;
1244 for (i = 0; i < 16; i++)
1246 if (xd->block[i].bmi.mode == NEW4X4)
1248 cpi->MVcount[0][mv_max+((xd->block[i].bmi.mv.as_mv.row - best_ref_mv.row) >> 1)]++;
1249 cpi->MVcount[1][mv_max+((xd->block[i].bmi.mv.as_mv.col - best_ref_mv.col) >> 1)]++;
1253 else if (xd->mode_info_context->mbmi.mode == NEWMV)
1255 cpi->MVcount[0][mv_max+((xd->block[0].bmi.mv.as_mv.row - best_ref_mv.row) >> 1)]++;
1256 cpi->MVcount[1][mv_max+((xd->block[0].bmi.mv.as_mv.col - best_ref_mv.col) >> 1)]++;
1259 if (!x->skip && !x->e_mbd.mode_info_context->mbmi.force_no_skip)
1261 vp8_encode_inter16x16(IF_RTCD(&cpi->rtcd), x);
1263 // Clear mb_skip_coeff if mb_no_coeff_skip is not set
1264 if (!cpi->common.mb_no_coeff_skip)
1265 xd->mode_info_context->mbmi.mb_skip_coeff = 0;
1268 else
1269 vp8_stuff_inter16x16(x);
1272 if (!x->skip)
1273 vp8_tokenize_mb(cpi, xd, t);
1274 else
1276 if (cpi->common.mb_no_coeff_skip)
1278 if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV)
1279 xd->mode_info_context->mbmi.dc_diff = 0;
1280 else
1281 xd->mode_info_context->mbmi.dc_diff = 1;
1283 xd->mode_info_context->mbmi.mb_skip_coeff = 1;
1284 cpi->skip_true_count ++;
1285 vp8_fix_contexts(cpi, xd);
1287 else
1289 vp8_stuff_mb(cpi, xd, t);
1290 xd->mode_info_context->mbmi.mb_skip_coeff = 0;
1291 cpi->skip_false_count ++;
1295 return rate;