1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003-2011 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 * This program is also available under a commercial proprietary license.
24 * For more information, contact us at licensing@x264.com.
25 *****************************************************************************/
27 #include "common/common.h"
30 #define bs_write_ue bs_write_ue_big
32 // Indexed by pic_struct values
33 static const uint8_t num_clock_ts[10] = { 0, 1, 1, 1, 2, 2, 3, 3, 2, 3 };
35 static void transpose( uint8_t *buf, int w )
37 for( int i = 0; i < w; i++ )
38 for( int j = 0; j < i; j++ )
39 XCHG( uint8_t, buf[w*i+j], buf[w*j+i] );
42 static void scaling_list_write( bs_t *s, x264_pps_t *pps, int idx )
44 const int len = idx<4 ? 16 : 64;
45 const uint8_t *zigzag = idx<4 ? x264_zigzag_scan4[0] : x264_zigzag_scan8[0];
46 const uint8_t *list = pps->scaling_list[idx];
47 const uint8_t *def_list = (idx==CQM_4IC) ? pps->scaling_list[CQM_4IY]
48 : (idx==CQM_4PC) ? pps->scaling_list[CQM_4PY]
49 : (idx==CQM_8IC+4) ? pps->scaling_list[CQM_8IY+4]
50 : (idx==CQM_8PC+4) ? pps->scaling_list[CQM_8PY+4]
52 if( !memcmp( list, def_list, len ) )
53 bs_write1( s, 0 ); // scaling_list_present_flag
54 else if( !memcmp( list, x264_cqm_jvt[idx], len ) )
56 bs_write1( s, 1 ); // scaling_list_present_flag
57 bs_write_se( s, -8 ); // use jvt list
62 bs_write1( s, 1 ); // scaling_list_present_flag
64 // try run-length compression of trailing values
65 for( run = len; run > 1; run-- )
66 if( list[zigzag[run-1]] != list[zigzag[run-2]] )
68 if( run < len && len - run < bs_size_se( (int8_t)-list[zigzag[run]] ) )
71 for( int j = 0; j < run; j++ )
72 bs_write_se( s, (int8_t)(list[zigzag[j]] - (j>0 ? list[zigzag[j-1]] : 8)) ); // delta
75 bs_write_se( s, (int8_t)-list[zigzag[run]] );
79 void x264_sei_write( bs_t *s, uint8_t *payload, int payload_size, int payload_type )
85 for( i = 0; i <= payload_type-255; i += 255 )
86 bs_write( s, 8, 255 );
87 bs_write( s, 8, payload_type-i );
89 for( i = 0; i <= payload_size-255; i += 255 )
90 bs_write( s, 8, 255 );
91 bs_write( s, 8, payload_size-i );
93 for( i = 0; i < payload_size; i++ )
94 bs_write(s, 8, payload[i] );
96 bs_rbsp_trailing( s );
100 void x264_sps_init( x264_sps_t *sps, int i_id, x264_param_t *param )
102 int csp = param->i_csp & X264_CSP_MASK;
105 sps->i_mb_width = ( param->i_width + 15 ) / 16;
106 sps->i_mb_height= ( param->i_height + 15 ) / 16;
107 sps->i_chroma_format_idc = csp >= X264_CSP_I444 ? CHROMA_444 :
108 csp >= X264_CSP_I422 ? CHROMA_422 : CHROMA_420;
110 sps->b_qpprime_y_zero_transform_bypass = param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant == 0;
111 if( sps->b_qpprime_y_zero_transform_bypass || sps->i_chroma_format_idc == CHROMA_444 )
112 sps->i_profile_idc = PROFILE_HIGH444_PREDICTIVE;
113 else if( sps->i_chroma_format_idc == CHROMA_422 )
114 sps->i_profile_idc = PROFILE_HIGH422;
115 else if( BIT_DEPTH > 8 )
116 sps->i_profile_idc = PROFILE_HIGH10;
117 else if( param->analyse.b_transform_8x8 || param->i_cqm_preset != X264_CQM_FLAT )
118 sps->i_profile_idc = PROFILE_HIGH;
119 else if( param->b_cabac || param->i_bframe > 0 || param->b_interlaced || param->b_fake_interlaced || param->analyse.i_weighted_pred > 0 )
120 sps->i_profile_idc = PROFILE_MAIN;
122 sps->i_profile_idc = PROFILE_BASELINE;
124 sps->b_constraint_set0 = sps->i_profile_idc == PROFILE_BASELINE;
125 /* x264 doesn't support the features that are in Baseline and not in Main,
126 * namely arbitrary_slice_order and slice_groups. */
127 sps->b_constraint_set1 = sps->i_profile_idc <= PROFILE_MAIN;
128 /* Never set constraint_set2, it is not necessary and not used in real world. */
129 sps->b_constraint_set2 = 0;
130 sps->b_constraint_set3 = 0;
132 sps->i_level_idc = param->i_level_idc;
133 if( param->i_level_idc == 9 && ( sps->i_profile_idc >= PROFILE_BASELINE && sps->i_profile_idc <= PROFILE_EXTENDED ) )
135 sps->b_constraint_set3 = 1; /* level 1b with Baseline, Main or Extended profile is signalled via constraint_set3 */
136 sps->i_level_idc = 11;
139 if( param->i_keyint_max == 1 && sps->i_profile_idc > PROFILE_HIGH )
140 sps->b_constraint_set3 = 1;
142 sps->vui.i_num_reorder_frames = param->i_bframe_pyramid ? 2 : param->i_bframe ? 1 : 0;
143 /* extra slot with pyramid so that we don't have to override the
144 * order of forgetting old pictures */
145 sps->vui.i_max_dec_frame_buffering =
146 sps->i_num_ref_frames = X264_MIN(X264_REF_MAX, X264_MAX4(param->i_frame_reference, 1 + sps->vui.i_num_reorder_frames,
147 param->i_bframe_pyramid ? 4 : 1, param->i_dpb_size));
148 sps->i_num_ref_frames -= param->i_bframe_pyramid == X264_B_PYRAMID_STRICT;
149 if( param->i_keyint_max == 1 )
151 sps->i_num_ref_frames = 0;
152 sps->vui.i_max_dec_frame_buffering = 0;
155 /* number of refs + current frame */
156 int max_frame_num = sps->vui.i_max_dec_frame_buffering * (!!param->i_bframe_pyramid+1) + 1;
157 /* Intra refresh cannot write a recovery time greater than max frame num-1 */
158 if( param->b_intra_refresh )
160 int time_to_recovery = X264_MIN( sps->i_mb_width - 1, param->i_keyint_max ) + param->i_bframe - 1;
161 max_frame_num = X264_MAX( max_frame_num, time_to_recovery+1 );
164 sps->i_log2_max_frame_num = 4;
165 while( (1 << sps->i_log2_max_frame_num) <= max_frame_num )
166 sps->i_log2_max_frame_num++;
168 sps->i_poc_type = param->i_bframe || param->b_interlaced ? 0 : 2;
169 if( sps->i_poc_type == 0 )
171 int max_delta_poc = (param->i_bframe + 2) * (!!param->i_bframe_pyramid + 1) * 2;
172 sps->i_log2_max_poc_lsb = 4;
173 while( (1 << sps->i_log2_max_poc_lsb) <= max_delta_poc * 2 )
174 sps->i_log2_max_poc_lsb++;
179 sps->b_gaps_in_frame_num_value_allowed = 0;
180 sps->b_frame_mbs_only = !(param->b_interlaced || param->b_fake_interlaced);
181 if( !sps->b_frame_mbs_only )
182 sps->i_mb_height = ( sps->i_mb_height + 1 ) & ~1;
183 sps->b_mb_adaptive_frame_field = param->b_interlaced;
184 sps->b_direct8x8_inference = 1;
186 sps->crop.i_left = param->crop_rect.i_left;
187 sps->crop.i_top = param->crop_rect.i_top;
188 sps->crop.i_right = param->crop_rect.i_right + sps->i_mb_width*16 - param->i_width;
189 sps->crop.i_bottom = (param->crop_rect.i_bottom + sps->i_mb_height*16 - param->i_height) >> !sps->b_frame_mbs_only;
190 sps->b_crop = sps->crop.i_left || sps->crop.i_top ||
191 sps->crop.i_right || sps->crop.i_bottom;
193 sps->vui.b_aspect_ratio_info_present = 0;
194 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
196 sps->vui.b_aspect_ratio_info_present = 1;
197 sps->vui.i_sar_width = param->vui.i_sar_width;
198 sps->vui.i_sar_height= param->vui.i_sar_height;
201 sps->vui.b_overscan_info_present = param->vui.i_overscan > 0 && param->vui.i_overscan <= 2;
202 if( sps->vui.b_overscan_info_present )
203 sps->vui.b_overscan_info = ( param->vui.i_overscan == 2 ? 1 : 0 );
205 sps->vui.b_signal_type_present = 0;
206 sps->vui.i_vidformat = ( param->vui.i_vidformat >= 0 && param->vui.i_vidformat <= 5 ? param->vui.i_vidformat : 5 );
207 sps->vui.b_fullrange = ( param->vui.b_fullrange >= 0 && param->vui.b_fullrange <= 1 ? param->vui.b_fullrange :
208 ( csp >= X264_CSP_BGR ? 1 : 0 ) );
209 sps->vui.b_color_description_present = 0;
211 sps->vui.i_colorprim = ( param->vui.i_colorprim >= 0 && param->vui.i_colorprim <= 8 ? param->vui.i_colorprim : 2 );
212 sps->vui.i_transfer = ( param->vui.i_transfer >= 0 && param->vui.i_transfer <= 10 ? param->vui.i_transfer : 2 );
213 sps->vui.i_colmatrix = ( param->vui.i_colmatrix >= 0 && param->vui.i_colmatrix <= 8 ? param->vui.i_colmatrix :
214 ( csp >= X264_CSP_BGR ? 0 : 2 ) );
215 if( sps->vui.i_colorprim != 2 ||
216 sps->vui.i_transfer != 2 ||
217 sps->vui.i_colmatrix != 2 )
219 sps->vui.b_color_description_present = 1;
222 if( sps->vui.i_vidformat != 5 ||
223 sps->vui.b_fullrange ||
224 sps->vui.b_color_description_present )
226 sps->vui.b_signal_type_present = 1;
229 /* FIXME: not sufficient for interlaced video */
230 sps->vui.b_chroma_loc_info_present = param->vui.i_chroma_loc > 0 && param->vui.i_chroma_loc <= 5;
231 if( sps->vui.b_chroma_loc_info_present )
233 sps->vui.i_chroma_loc_top = param->vui.i_chroma_loc;
234 sps->vui.i_chroma_loc_bottom = param->vui.i_chroma_loc;
237 sps->vui.b_timing_info_present = param->i_timebase_num > 0 && param->i_timebase_den > 0;
239 if( sps->vui.b_timing_info_present )
241 sps->vui.i_num_units_in_tick = param->i_timebase_num;
242 sps->vui.i_time_scale = param->i_timebase_den * 2;
243 sps->vui.b_fixed_frame_rate = !param->b_vfr_input;
246 sps->vui.b_vcl_hrd_parameters_present = 0; // we don't support VCL HRD
247 sps->vui.b_nal_hrd_parameters_present = !!param->i_nal_hrd;
248 sps->vui.b_pic_struct_present = param->b_pic_struct;
250 // NOTE: HRD related parts of the SPS are initialised in x264_ratecontrol_init_reconfigurable
252 sps->vui.b_bitstream_restriction = 1;
253 if( sps->vui.b_bitstream_restriction )
255 sps->vui.b_motion_vectors_over_pic_boundaries = 1;
256 sps->vui.i_max_bytes_per_pic_denom = 0;
257 sps->vui.i_max_bits_per_mb_denom = 0;
258 sps->vui.i_log2_max_mv_length_horizontal =
259 sps->vui.i_log2_max_mv_length_vertical = (int)log2f( X264_MAX( 1, param->analyse.i_mv_range*4-1 ) ) + 1;
263 void x264_sps_write( bs_t *s, x264_sps_t *sps )
266 bs_write( s, 8, sps->i_profile_idc );
267 bs_write1( s, sps->b_constraint_set0 );
268 bs_write1( s, sps->b_constraint_set1 );
269 bs_write1( s, sps->b_constraint_set2 );
270 bs_write1( s, sps->b_constraint_set3 );
272 bs_write( s, 4, 0 ); /* reserved */
274 bs_write( s, 8, sps->i_level_idc );
276 bs_write_ue( s, sps->i_id );
278 if( sps->i_profile_idc >= PROFILE_HIGH )
280 bs_write_ue( s, sps->i_chroma_format_idc );
281 if( sps->i_chroma_format_idc == CHROMA_444 )
282 bs_write1( s, 0 ); // separate_colour_plane_flag
283 bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_luma_minus8
284 bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_chroma_minus8
285 bs_write1( s, sps->b_qpprime_y_zero_transform_bypass );
286 bs_write1( s, 0 ); // seq_scaling_matrix_present_flag
289 bs_write_ue( s, sps->i_log2_max_frame_num - 4 );
290 bs_write_ue( s, sps->i_poc_type );
291 if( sps->i_poc_type == 0 )
292 bs_write_ue( s, sps->i_log2_max_poc_lsb - 4 );
293 bs_write_ue( s, sps->i_num_ref_frames );
294 bs_write1( s, sps->b_gaps_in_frame_num_value_allowed );
295 bs_write_ue( s, sps->i_mb_width - 1 );
296 bs_write_ue( s, (sps->i_mb_height >> !sps->b_frame_mbs_only) - 1);
297 bs_write1( s, sps->b_frame_mbs_only );
298 if( !sps->b_frame_mbs_only )
299 bs_write1( s, sps->b_mb_adaptive_frame_field );
300 bs_write1( s, sps->b_direct8x8_inference );
302 bs_write1( s, sps->b_crop );
305 int h_shift = sps->i_chroma_format_idc == CHROMA_420 || sps->i_chroma_format_idc == CHROMA_422;
306 int v_shift = sps->i_chroma_format_idc == CHROMA_420;
307 bs_write_ue( s, sps->crop.i_left >> h_shift );
308 bs_write_ue( s, sps->crop.i_right >> h_shift );
309 bs_write_ue( s, sps->crop.i_top >> v_shift );
310 bs_write_ue( s, sps->crop.i_bottom >> v_shift );
313 bs_write1( s, sps->b_vui );
316 bs_write1( s, sps->vui.b_aspect_ratio_info_present );
317 if( sps->vui.b_aspect_ratio_info_present )
320 static const struct { uint8_t w, h, sar; } sar[] =
322 // aspect_ratio_idc = 0 -> unspecified
323 { 1, 1, 1 }, { 12, 11, 2 }, { 10, 11, 3 }, { 16, 11, 4 },
324 { 40, 33, 5 }, { 24, 11, 6 }, { 20, 11, 7 }, { 32, 11, 8 },
325 { 80, 33, 9 }, { 18, 11, 10}, { 15, 11, 11}, { 64, 33, 12},
326 {160, 99, 13}, { 4, 3, 14}, { 3, 2, 15}, { 2, 1, 16},
327 // aspect_ratio_idc = [17..254] -> reserved
330 for( i = 0; sar[i].sar != 255; i++ )
332 if( sar[i].w == sps->vui.i_sar_width &&
333 sar[i].h == sps->vui.i_sar_height )
336 bs_write( s, 8, sar[i].sar );
337 if( sar[i].sar == 255 ) /* aspect_ratio_idc (extended) */
339 bs_write( s, 16, sps->vui.i_sar_width );
340 bs_write( s, 16, sps->vui.i_sar_height );
344 bs_write1( s, sps->vui.b_overscan_info_present );
345 if( sps->vui.b_overscan_info_present )
346 bs_write1( s, sps->vui.b_overscan_info );
348 bs_write1( s, sps->vui.b_signal_type_present );
349 if( sps->vui.b_signal_type_present )
351 bs_write( s, 3, sps->vui.i_vidformat );
352 bs_write1( s, sps->vui.b_fullrange );
353 bs_write1( s, sps->vui.b_color_description_present );
354 if( sps->vui.b_color_description_present )
356 bs_write( s, 8, sps->vui.i_colorprim );
357 bs_write( s, 8, sps->vui.i_transfer );
358 bs_write( s, 8, sps->vui.i_colmatrix );
362 bs_write1( s, sps->vui.b_chroma_loc_info_present );
363 if( sps->vui.b_chroma_loc_info_present )
365 bs_write_ue( s, sps->vui.i_chroma_loc_top );
366 bs_write_ue( s, sps->vui.i_chroma_loc_bottom );
369 bs_write1( s, sps->vui.b_timing_info_present );
370 if( sps->vui.b_timing_info_present )
372 bs_write32( s, sps->vui.i_num_units_in_tick );
373 bs_write32( s, sps->vui.i_time_scale );
374 bs_write1( s, sps->vui.b_fixed_frame_rate );
377 bs_write1( s, sps->vui.b_nal_hrd_parameters_present );
378 if( sps->vui.b_nal_hrd_parameters_present )
380 bs_write_ue( s, sps->vui.hrd.i_cpb_cnt - 1 );
381 bs_write( s, 4, sps->vui.hrd.i_bit_rate_scale );
382 bs_write( s, 4, sps->vui.hrd.i_cpb_size_scale );
384 bs_write_ue( s, sps->vui.hrd.i_bit_rate_value - 1 );
385 bs_write_ue( s, sps->vui.hrd.i_cpb_size_value - 1 );
387 bs_write1( s, sps->vui.hrd.b_cbr_hrd );
389 bs_write( s, 5, sps->vui.hrd.i_initial_cpb_removal_delay_length - 1 );
390 bs_write( s, 5, sps->vui.hrd.i_cpb_removal_delay_length - 1 );
391 bs_write( s, 5, sps->vui.hrd.i_dpb_output_delay_length - 1 );
392 bs_write( s, 5, sps->vui.hrd.i_time_offset_length );
395 bs_write1( s, sps->vui.b_vcl_hrd_parameters_present );
397 if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
398 bs_write1( s, 0 ); /* low_delay_hrd_flag */
400 bs_write1( s, sps->vui.b_pic_struct_present );
401 bs_write1( s, sps->vui.b_bitstream_restriction );
402 if( sps->vui.b_bitstream_restriction )
404 bs_write1( s, sps->vui.b_motion_vectors_over_pic_boundaries );
405 bs_write_ue( s, sps->vui.i_max_bytes_per_pic_denom );
406 bs_write_ue( s, sps->vui.i_max_bits_per_mb_denom );
407 bs_write_ue( s, sps->vui.i_log2_max_mv_length_horizontal );
408 bs_write_ue( s, sps->vui.i_log2_max_mv_length_vertical );
409 bs_write_ue( s, sps->vui.i_num_reorder_frames );
410 bs_write_ue( s, sps->vui.i_max_dec_frame_buffering );
414 bs_rbsp_trailing( s );
418 void x264_pps_init( x264_pps_t *pps, int i_id, x264_param_t *param, x264_sps_t *sps )
421 pps->i_sps_id = sps->i_id;
422 pps->b_cabac = param->b_cabac;
424 pps->b_pic_order = param->b_interlaced;
425 pps->i_num_slice_groups = 1;
427 pps->i_num_ref_idx_l0_default_active = param->i_frame_reference;
428 pps->i_num_ref_idx_l1_default_active = 1;
430 pps->b_weighted_pred = param->analyse.i_weighted_pred > 0;
431 pps->b_weighted_bipred = param->analyse.b_weighted_bipred ? 2 : 0;
433 pps->i_pic_init_qp = param->rc.i_rc_method == X264_RC_ABR ? 26 + QP_BD_OFFSET : SPEC_QP( param->rc.i_qp_constant );
434 pps->i_pic_init_qs = 26 + QP_BD_OFFSET;
436 pps->i_chroma_qp_index_offset = param->analyse.i_chroma_qp_offset;
437 pps->b_deblocking_filter_control = 1;
438 pps->b_constrained_intra_pred = param->b_constrained_intra;
439 pps->b_redundant_pic_cnt = 0;
441 pps->b_transform_8x8_mode = param->analyse.b_transform_8x8 ? 1 : 0;
443 pps->i_cqm_preset = param->i_cqm_preset;
445 switch( pps->i_cqm_preset )
448 for( int i = 0; i < 8; i++ )
449 pps->scaling_list[i] = x264_cqm_flat16;
452 for( int i = 0; i < 8; i++ )
453 pps->scaling_list[i] = x264_cqm_jvt[i];
455 case X264_CQM_CUSTOM:
456 /* match the transposed DCT & zigzag */
457 transpose( param->cqm_4iy, 4 );
458 transpose( param->cqm_4py, 4 );
459 transpose( param->cqm_4ic, 4 );
460 transpose( param->cqm_4pc, 4 );
461 transpose( param->cqm_8iy, 8 );
462 transpose( param->cqm_8py, 8 );
463 transpose( param->cqm_8ic, 8 );
464 transpose( param->cqm_8pc, 8 );
465 pps->scaling_list[CQM_4IY] = param->cqm_4iy;
466 pps->scaling_list[CQM_4PY] = param->cqm_4py;
467 pps->scaling_list[CQM_4IC] = param->cqm_4ic;
468 pps->scaling_list[CQM_4PC] = param->cqm_4pc;
469 pps->scaling_list[CQM_8IY+4] = param->cqm_8iy;
470 pps->scaling_list[CQM_8PY+4] = param->cqm_8py;
471 pps->scaling_list[CQM_8IC+4] = param->cqm_8ic;
472 pps->scaling_list[CQM_8PC+4] = param->cqm_8pc;
473 for( int i = 0; i < 8; i++ )
474 for( int j = 0; j < (i < 4 ? 16 : 64); j++ )
475 if( pps->scaling_list[i][j] == 0 )
476 pps->scaling_list[i] = x264_cqm_jvt[i];
481 void x264_pps_write( bs_t *s, x264_sps_t *sps, x264_pps_t *pps )
484 bs_write_ue( s, pps->i_id );
485 bs_write_ue( s, pps->i_sps_id );
487 bs_write1( s, pps->b_cabac );
488 bs_write1( s, pps->b_pic_order );
489 bs_write_ue( s, pps->i_num_slice_groups - 1 );
491 bs_write_ue( s, pps->i_num_ref_idx_l0_default_active - 1 );
492 bs_write_ue( s, pps->i_num_ref_idx_l1_default_active - 1 );
493 bs_write1( s, pps->b_weighted_pred );
494 bs_write( s, 2, pps->b_weighted_bipred );
496 bs_write_se( s, pps->i_pic_init_qp - 26 - QP_BD_OFFSET );
497 bs_write_se( s, pps->i_pic_init_qs - 26 - QP_BD_OFFSET );
498 bs_write_se( s, pps->i_chroma_qp_index_offset );
500 bs_write1( s, pps->b_deblocking_filter_control );
501 bs_write1( s, pps->b_constrained_intra_pred );
502 bs_write1( s, pps->b_redundant_pic_cnt );
504 if( pps->b_transform_8x8_mode || pps->i_cqm_preset != X264_CQM_FLAT )
506 bs_write1( s, pps->b_transform_8x8_mode );
507 bs_write1( s, (pps->i_cqm_preset != X264_CQM_FLAT) );
508 if( pps->i_cqm_preset != X264_CQM_FLAT )
510 scaling_list_write( s, pps, CQM_4IY );
511 scaling_list_write( s, pps, CQM_4IC );
512 bs_write1( s, 0 ); // Cr = Cb
513 scaling_list_write( s, pps, CQM_4PY );
514 scaling_list_write( s, pps, CQM_4PC );
515 bs_write1( s, 0 ); // Cr = Cb
516 if( pps->b_transform_8x8_mode )
518 if( sps->i_chroma_format_idc == CHROMA_444 )
520 scaling_list_write( s, pps, CQM_8IY+4 );
521 scaling_list_write( s, pps, CQM_8IC+4 );
522 bs_write1( s, 0 ); // Cr = Cb
523 scaling_list_write( s, pps, CQM_8PY+4 );
524 scaling_list_write( s, pps, CQM_8PC+4 );
525 bs_write1( s, 0 ); // Cr = Cb
529 scaling_list_write( s, pps, CQM_8IY+4 );
530 scaling_list_write( s, pps, CQM_8PY+4 );
534 bs_write_se( s, pps->i_chroma_qp_index_offset );
537 bs_rbsp_trailing( s );
541 void x264_sei_recovery_point_write( x264_t *h, bs_t *s, int recovery_frame_cnt )
544 uint8_t tmp_buf[100];
545 bs_init( &q, tmp_buf, 100 );
549 bs_write_ue( &q, recovery_frame_cnt ); // recovery_frame_cnt
550 bs_write1( &q, 1 ); //exact_match_flag 1
551 bs_write1( &q, 0 ); //broken_link_flag 0
552 bs_write( &q, 2, 0 ); //changing_slice_group 0
557 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_RECOVERY_POINT );
560 int x264_sei_version_write( x264_t *h, bs_t *s )
562 // random ID number generated according to ISO-11578
563 static const uint8_t uuid[16] =
565 0xdc, 0x45, 0xe9, 0xbd, 0xe6, 0xd9, 0x48, 0xb7,
566 0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef
568 char *opts = x264_param2string( &h->param, 0 );
574 CHECKED_MALLOC( payload, 200 + strlen( opts ) );
576 memcpy( payload, uuid, 16 );
577 sprintf( payload+16, "x264 - core %d%s - H.264/MPEG-4 AVC codec - "
578 "Copy%s 2003-2011 - http://www.videolan.org/x264.html - options: %s",
579 X264_BUILD, X264_VERSION, HAVE_GPL?"left":"right", opts );
580 length = strlen(payload)+1;
582 x264_sei_write( s, (uint8_t *)payload, length, SEI_USER_DATA_UNREGISTERED );
585 x264_free( payload );
592 void x264_sei_buffering_period_write( x264_t *h, bs_t *s )
594 x264_sps_t *sps = h->sps;
596 uint8_t tmp_buf[100];
597 bs_init( &q, tmp_buf, 100 );
600 bs_write_ue( &q, sps->i_id );
602 if( sps->vui.b_nal_hrd_parameters_present )
604 bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay );
605 bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay_offset );
611 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_BUFFERING_PERIOD );
614 void x264_sei_pic_timing_write( x264_t *h, bs_t *s )
616 x264_sps_t *sps = h->sps;
618 uint8_t tmp_buf[100];
619 bs_init( &q, tmp_buf, 100 );
623 if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
625 bs_write( &q, sps->vui.hrd.i_cpb_removal_delay_length, h->fenc->i_cpb_delay - h->i_cpb_delay_pir_offset );
626 bs_write( &q, sps->vui.hrd.i_dpb_output_delay_length, h->fenc->i_dpb_output_delay );
629 if( sps->vui.b_pic_struct_present )
631 bs_write( &q, 4, h->fenc->i_pic_struct-1 ); // We use index 0 for "Auto"
633 // These clock timestamps are not standardised so we don't set them
634 // They could be time of origin, capture or alternative ideal display
635 for( int i = 0; i < num_clock_ts[h->fenc->i_pic_struct]; i++ )
636 bs_write1( &q, 0 ); // clock_timestamp_flag
642 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_PIC_TIMING );
645 void x264_sei_frame_packing_write( x264_t *h, bs_t *s )
647 int quincunx_sampling_flag = h->param.i_frame_packing == 0;
649 uint8_t tmp_buf[100];
650 bs_init( &q, tmp_buf, 100 );
654 bs_write_ue( &q, 0 ); // frame_packing_arrangement_id
655 bs_write1( &q, 0 ); // frame_packing_arrangement_cancel_flag
656 bs_write ( &q, 7, h->param.i_frame_packing ); // frame_packing_arrangement_type
657 bs_write1( &q, quincunx_sampling_flag ); // quincunx_sampling_flag
659 // 0: views are unrelated, 1: left view is on the left, 2: left view is on the right
660 bs_write ( &q, 6, 1 ); // content_interpretation_type
662 bs_write1( &q, 0 ); // spatial_flipping_flag
663 bs_write1( &q, 0 ); // frame0_flipped_flag
664 bs_write1( &q, 0 ); // field_views_flag
665 bs_write1( &q, h->param.i_frame_packing == 5 && !(h->fenc->i_frame&1) ); // current_frame_is_frame0_flag
666 bs_write1( &q, 0 ); // frame0_self_contained_flag
667 bs_write1( &q, 0 ); // frame1_self_contained_flag
668 if ( quincunx_sampling_flag == 0 && h->param.i_frame_packing != 5 )
670 bs_write( &q, 4, 0 ); // frame0_grid_position_x
671 bs_write( &q, 4, 0 ); // frame0_grid_position_y
672 bs_write( &q, 4, 0 ); // frame1_grid_position_x
673 bs_write( &q, 4, 0 ); // frame1_grid_position_y
675 bs_write( &q, 8, 0 ); // frame_packing_arrangement_reserved_byte
676 bs_write_ue( &q, 1 ); // frame_packing_arrangement_repetition_period
677 bs_write1( &q, 0 ); // frame_packing_arrangement_extension_flag
682 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_FRAME_PACKING );
685 void x264_filler_write( x264_t *h, bs_t *s, int filler )
689 for( int i = 0; i < filler; i++ )
690 bs_write( s, 8, 0xff );
692 bs_rbsp_trailing( s );
696 void x264_sei_dec_ref_pic_marking_write( x264_t *h, bs_t *s )
698 x264_slice_header_t *sh = &h->sh_backup;
700 uint8_t tmp_buf[100];
701 bs_init( &q, tmp_buf, 100 );
705 /* We currently only use this for repeating B-refs, as required by Blu-ray. */
706 bs_write1( &q, 0 ); //original_idr_flag
707 bs_write_ue( &q, sh->i_frame_num ); //original_frame_num
708 if( !h->sps->b_frame_mbs_only )
709 bs_write1( &q, 0 ); //original_field_pic_flag
711 bs_write1( &q, sh->i_mmco_command_count > 0 );
712 if( sh->i_mmco_command_count > 0 )
714 for( int i = 0; i < sh->i_mmco_command_count; i++ )
716 bs_write_ue( &q, 1 );
717 bs_write_ue( &q, sh->mmco[i].i_difference_of_pic_nums - 1 );
719 bs_write_ue( &q, 0 );
725 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_DEC_REF_PIC_MARKING );
728 const x264_level_t x264_levels[] =
730 { 10, 1485, 99, 152064, 64, 175, 64, 64, 0, 2, 0, 0, 1 },
731 { 9, 1485, 99, 152064, 128, 350, 64, 64, 0, 2, 0, 0, 1 }, /* "1b" */
732 { 11, 3000, 396, 345600, 192, 500, 128, 64, 0, 2, 0, 0, 1 },
733 { 12, 6000, 396, 912384, 384, 1000, 128, 64, 0, 2, 0, 0, 1 },
734 { 13, 11880, 396, 912384, 768, 2000, 128, 64, 0, 2, 0, 0, 1 },
735 { 20, 11880, 396, 912384, 2000, 2000, 128, 64, 0, 2, 0, 0, 1 },
736 { 21, 19800, 792, 1824768, 4000, 4000, 256, 64, 0, 2, 0, 0, 0 },
737 { 22, 20250, 1620, 3110400, 4000, 4000, 256, 64, 0, 2, 0, 0, 0 },
738 { 30, 40500, 1620, 3110400, 10000, 10000, 256, 32, 22, 2, 0, 1, 0 },
739 { 31, 108000, 3600, 6912000, 14000, 14000, 512, 16, 60, 4, 1, 1, 0 },
740 { 32, 216000, 5120, 7864320, 20000, 20000, 512, 16, 60, 4, 1, 1, 0 },
741 { 40, 245760, 8192, 12582912, 20000, 25000, 512, 16, 60, 4, 1, 1, 0 },
742 { 41, 245760, 8192, 12582912, 50000, 62500, 512, 16, 24, 2, 1, 1, 0 },
743 { 42, 522240, 8704, 13369344, 50000, 62500, 512, 16, 24, 2, 1, 1, 1 },
744 { 50, 589824, 22080, 42393600, 135000, 135000, 512, 16, 24, 2, 1, 1, 1 },
745 { 51, 983040, 36864, 70778880, 240000, 240000, 512, 16, 24, 2, 1, 1, 1 },
752 x264_log( h, X264_LOG_WARNING, __VA_ARGS__ );\
756 int x264_validate_levels( x264_t *h, int verbose )
759 int mbs = h->sps->i_mb_width * h->sps->i_mb_height;
760 int dpb = mbs * 384 * h->sps->vui.i_max_dec_frame_buffering;
761 int cbp_factor = h->sps->i_profile_idc>=PROFILE_HIGH422 ? 16 :
762 h->sps->i_profile_idc==PROFILE_HIGH10 ? 12 :
763 h->sps->i_profile_idc==PROFILE_HIGH ? 5 : 4;
765 const x264_level_t *l = x264_levels;
766 while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
769 if( l->frame_size < mbs
770 || l->frame_size*8 < h->sps->i_mb_width * h->sps->i_mb_width
771 || l->frame_size*8 < h->sps->i_mb_height * h->sps->i_mb_height )
772 ERROR( "frame MB size (%dx%d) > level limit (%d)\n",
773 h->sps->i_mb_width, h->sps->i_mb_height, l->frame_size );
775 ERROR( "DPB size (%d frames, %d bytes) > level limit (%d frames, %d bytes)\n",
776 h->sps->vui.i_max_dec_frame_buffering, dpb, (int)(l->dpb / (384*mbs)), l->dpb );
778 #define CHECK( name, limit, val ) \
779 if( (val) > (limit) ) \
780 ERROR( name " (%d) > level limit (%d)\n", (int)(val), (limit) );
782 CHECK( "VBV bitrate", (l->bitrate * cbp_factor) / 4, h->param.rc.i_vbv_max_bitrate );
783 CHECK( "VBV buffer", (l->cpb * cbp_factor) / 4, h->param.rc.i_vbv_buffer_size );
784 CHECK( "MV range", l->mv_range, h->param.analyse.i_mv_range );
785 CHECK( "interlaced", !l->frame_only, h->param.b_interlaced );
786 CHECK( "fake interlaced", !l->frame_only, h->param.b_fake_interlaced );
788 if( h->param.i_fps_den > 0 )
789 CHECK( "MB rate", l->mbps, (int64_t)mbs * h->param.i_fps_num / h->param.i_fps_den );
791 /* TODO check the rest of the limits */