1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003-2015 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 };
34 const static uint8_t avcintra_uuid[] = {0xF7, 0x49, 0x3E, 0xB3, 0xD4, 0x00, 0x47, 0x96, 0x86, 0x86, 0xC9, 0x70, 0x7B, 0x64, 0x37, 0x2A};
36 static void transpose( uint8_t *buf, int w )
38 for( int i = 0; i < w; i++ )
39 for( int j = 0; j < i; j++ )
40 XCHG( uint8_t, buf[w*i+j], buf[w*j+i] );
43 static void scaling_list_write( bs_t *s, x264_pps_t *pps, int idx )
45 const int len = idx<4 ? 16 : 64;
46 const uint8_t *zigzag = idx<4 ? x264_zigzag_scan4[0] : x264_zigzag_scan8[0];
47 const uint8_t *list = pps->scaling_list[idx];
48 const uint8_t *def_list = (idx==CQM_4IC) ? pps->scaling_list[CQM_4IY]
49 : (idx==CQM_4PC) ? pps->scaling_list[CQM_4PY]
50 : (idx==CQM_8IC+4) ? pps->scaling_list[CQM_8IY+4]
51 : (idx==CQM_8PC+4) ? pps->scaling_list[CQM_8PY+4]
53 if( !memcmp( list, def_list, len ) )
54 bs_write1( s, 0 ); // scaling_list_present_flag
55 else if( !memcmp( list, x264_cqm_jvt[idx], len ) )
57 bs_write1( s, 1 ); // scaling_list_present_flag
58 bs_write_se( s, -8 ); // use jvt list
63 bs_write1( s, 1 ); // scaling_list_present_flag
65 // try run-length compression of trailing values
66 for( run = len; run > 1; run-- )
67 if( list[zigzag[run-1]] != list[zigzag[run-2]] )
69 if( run < len && len - run < bs_size_se( (int8_t)-list[zigzag[run]] ) )
72 for( int j = 0; j < run; j++ )
73 bs_write_se( s, (int8_t)(list[zigzag[j]] - (j>0 ? list[zigzag[j-1]] : 8)) ); // delta
76 bs_write_se( s, (int8_t)-list[zigzag[run]] );
80 void x264_sei_write( bs_t *s, uint8_t *payload, int payload_size, int payload_type )
86 for( i = 0; i <= payload_type-255; i += 255 )
87 bs_write( s, 8, 255 );
88 bs_write( s, 8, payload_type-i );
90 for( i = 0; i <= payload_size-255; i += 255 )
91 bs_write( s, 8, 255 );
92 bs_write( s, 8, payload_size-i );
94 for( i = 0; i < payload_size; i++ )
95 bs_write( s, 8, payload[i] );
97 bs_rbsp_trailing( s );
101 void x264_sps_init( x264_sps_t *sps, int i_id, x264_param_t *param )
103 int csp = param->i_csp & X264_CSP_MASK;
106 sps->i_mb_width = ( param->i_width + 15 ) / 16;
107 sps->i_mb_height= ( param->i_height + 15 ) / 16;
108 sps->i_chroma_format_idc = csp >= X264_CSP_I444 ? CHROMA_444 :
109 csp >= X264_CSP_I422 ? CHROMA_422 : CHROMA_420;
111 sps->b_qpprime_y_zero_transform_bypass = param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant == 0;
112 if( sps->b_qpprime_y_zero_transform_bypass || sps->i_chroma_format_idc == CHROMA_444 )
113 sps->i_profile_idc = PROFILE_HIGH444_PREDICTIVE;
114 else if( sps->i_chroma_format_idc == CHROMA_422 )
115 sps->i_profile_idc = PROFILE_HIGH422;
116 else if( BIT_DEPTH > 8 )
117 sps->i_profile_idc = PROFILE_HIGH10;
118 else if( param->analyse.b_transform_8x8 || param->i_cqm_preset != X264_CQM_FLAT )
119 sps->i_profile_idc = PROFILE_HIGH;
120 else if( param->b_cabac || param->i_bframe > 0 || param->b_interlaced || param->b_fake_interlaced || param->analyse.i_weighted_pred > 0 )
121 sps->i_profile_idc = PROFILE_MAIN;
123 sps->i_profile_idc = PROFILE_BASELINE;
125 sps->b_constraint_set0 = sps->i_profile_idc == PROFILE_BASELINE;
126 /* x264 doesn't support the features that are in Baseline and not in Main,
127 * namely arbitrary_slice_order and slice_groups. */
128 sps->b_constraint_set1 = sps->i_profile_idc <= PROFILE_MAIN;
129 /* Never set constraint_set2, it is not necessary and not used in real world. */
130 sps->b_constraint_set2 = 0;
131 sps->b_constraint_set3 = 0;
133 sps->i_level_idc = param->i_level_idc;
134 if( param->i_level_idc == 9 && ( sps->i_profile_idc == PROFILE_BASELINE || sps->i_profile_idc == PROFILE_MAIN ) )
136 sps->b_constraint_set3 = 1; /* level 1b with Baseline or Main profile is signalled via constraint_set3 */
137 sps->i_level_idc = 11;
140 if( param->i_keyint_max == 1 && sps->i_profile_idc > PROFILE_HIGH )
141 sps->b_constraint_set3 = 1;
143 sps->vui.i_num_reorder_frames = param->i_bframe_pyramid ? 2 : param->i_bframe ? 1 : 0;
144 /* extra slot with pyramid so that we don't have to override the
145 * order of forgetting old pictures */
146 sps->vui.i_max_dec_frame_buffering =
147 sps->i_num_ref_frames = X264_MIN(X264_REF_MAX, X264_MAX4(param->i_frame_reference, 1 + sps->vui.i_num_reorder_frames,
148 param->i_bframe_pyramid ? 4 : 1, param->i_dpb_size));
149 sps->i_num_ref_frames -= param->i_bframe_pyramid == X264_B_PYRAMID_STRICT;
150 if( param->i_keyint_max == 1 )
152 sps->i_num_ref_frames = 0;
153 sps->vui.i_max_dec_frame_buffering = 0;
156 /* number of refs + current frame */
157 int max_frame_num = sps->vui.i_max_dec_frame_buffering * (!!param->i_bframe_pyramid+1) + 1;
158 /* Intra refresh cannot write a recovery time greater than max frame num-1 */
159 if( param->b_intra_refresh )
161 int time_to_recovery = X264_MIN( sps->i_mb_width - 1, param->i_keyint_max ) + param->i_bframe - 1;
162 max_frame_num = X264_MAX( max_frame_num, time_to_recovery+1 );
165 sps->i_log2_max_frame_num = 4;
166 while( (1 << sps->i_log2_max_frame_num) <= max_frame_num )
167 sps->i_log2_max_frame_num++;
169 sps->i_poc_type = param->i_bframe || param->b_interlaced || param->i_avcintra_class ? 0 : 2;
170 if( sps->i_poc_type == 0 )
172 int max_delta_poc = (param->i_bframe + 2) * (!!param->i_bframe_pyramid + 1) * 2;
173 sps->i_log2_max_poc_lsb = 4;
174 while( (1 << sps->i_log2_max_poc_lsb) <= max_delta_poc * 2 )
175 sps->i_log2_max_poc_lsb++;
180 sps->b_gaps_in_frame_num_value_allowed = 0;
181 sps->b_frame_mbs_only = !(param->b_interlaced || param->b_fake_interlaced);
182 if( !sps->b_frame_mbs_only )
183 sps->i_mb_height = ( sps->i_mb_height + 1 ) & ~1;
184 sps->b_mb_adaptive_frame_field = param->b_interlaced;
185 sps->b_direct8x8_inference = 1;
187 sps->crop.i_left = param->crop_rect.i_left;
188 sps->crop.i_top = param->crop_rect.i_top;
189 sps->crop.i_right = param->crop_rect.i_right + sps->i_mb_width*16 - param->i_width;
190 sps->crop.i_bottom = (param->crop_rect.i_bottom + sps->i_mb_height*16 - param->i_height) >> !sps->b_frame_mbs_only;
191 sps->b_crop = sps->crop.i_left || sps->crop.i_top ||
192 sps->crop.i_right || sps->crop.i_bottom;
194 sps->vui.b_aspect_ratio_info_present = 0;
195 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
197 sps->vui.b_aspect_ratio_info_present = 1;
198 sps->vui.i_sar_width = param->vui.i_sar_width;
199 sps->vui.i_sar_height= param->vui.i_sar_height;
202 sps->vui.b_overscan_info_present = param->vui.i_overscan > 0 && param->vui.i_overscan <= 2;
203 if( sps->vui.b_overscan_info_present )
204 sps->vui.b_overscan_info = ( param->vui.i_overscan == 2 ? 1 : 0 );
206 sps->vui.b_signal_type_present = 0;
207 sps->vui.i_vidformat = ( param->vui.i_vidformat >= 0 && param->vui.i_vidformat <= 5 ? param->vui.i_vidformat : 5 );
208 sps->vui.b_fullrange = ( param->vui.b_fullrange >= 0 && param->vui.b_fullrange <= 1 ? param->vui.b_fullrange :
209 ( csp >= X264_CSP_BGR ? 1 : 0 ) );
210 sps->vui.b_color_description_present = 0;
212 sps->vui.i_colorprim = ( param->vui.i_colorprim >= 0 && param->vui.i_colorprim <= 9 ? param->vui.i_colorprim : 2 );
213 sps->vui.i_transfer = ( param->vui.i_transfer >= 0 && param->vui.i_transfer <= 15 ? param->vui.i_transfer : 2 );
214 sps->vui.i_colmatrix = ( param->vui.i_colmatrix >= 0 && param->vui.i_colmatrix <= 10 ? param->vui.i_colmatrix :
215 ( csp >= X264_CSP_BGR ? 0 : 2 ) );
216 if( sps->vui.i_colorprim != 2 ||
217 sps->vui.i_transfer != 2 ||
218 sps->vui.i_colmatrix != 2 )
220 sps->vui.b_color_description_present = 1;
223 if( sps->vui.i_vidformat != 5 ||
224 sps->vui.b_fullrange ||
225 sps->vui.b_color_description_present )
227 sps->vui.b_signal_type_present = 1;
230 /* FIXME: not sufficient for interlaced video */
231 sps->vui.b_chroma_loc_info_present = param->vui.i_chroma_loc > 0 && param->vui.i_chroma_loc <= 5 &&
232 sps->i_chroma_format_idc == CHROMA_420;
233 if( sps->vui.b_chroma_loc_info_present )
235 sps->vui.i_chroma_loc_top = param->vui.i_chroma_loc;
236 sps->vui.i_chroma_loc_bottom = param->vui.i_chroma_loc;
239 sps->vui.b_timing_info_present = param->i_timebase_num > 0 && param->i_timebase_den > 0;
241 if( sps->vui.b_timing_info_present )
243 sps->vui.i_num_units_in_tick = param->i_timebase_num;
244 sps->vui.i_time_scale = param->i_timebase_den * 2;
245 sps->vui.b_fixed_frame_rate = !param->b_vfr_input;
248 sps->vui.b_vcl_hrd_parameters_present = 0; // we don't support VCL HRD
249 sps->vui.b_nal_hrd_parameters_present = !!param->i_nal_hrd;
250 sps->vui.b_pic_struct_present = param->b_pic_struct;
252 // NOTE: HRD related parts of the SPS are initialised in x264_ratecontrol_init_reconfigurable
254 sps->vui.b_bitstream_restriction = param->i_keyint_max > 1;
255 if( sps->vui.b_bitstream_restriction )
257 sps->vui.b_motion_vectors_over_pic_boundaries = 1;
258 sps->vui.i_max_bytes_per_pic_denom = 0;
259 sps->vui.i_max_bits_per_mb_denom = 0;
260 sps->vui.i_log2_max_mv_length_horizontal =
261 sps->vui.i_log2_max_mv_length_vertical = (int)log2f( X264_MAX( 1, param->analyse.i_mv_range*4-1 ) ) + 1;
265 void x264_sps_write( bs_t *s, x264_sps_t *sps )
268 bs_write( s, 8, sps->i_profile_idc );
269 bs_write1( s, sps->b_constraint_set0 );
270 bs_write1( s, sps->b_constraint_set1 );
271 bs_write1( s, sps->b_constraint_set2 );
272 bs_write1( s, sps->b_constraint_set3 );
274 bs_write( s, 4, 0 ); /* reserved */
276 bs_write( s, 8, sps->i_level_idc );
278 bs_write_ue( s, sps->i_id );
280 if( sps->i_profile_idc >= PROFILE_HIGH )
282 bs_write_ue( s, sps->i_chroma_format_idc );
283 if( sps->i_chroma_format_idc == CHROMA_444 )
284 bs_write1( s, 0 ); // separate_colour_plane_flag
285 bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_luma_minus8
286 bs_write_ue( s, BIT_DEPTH-8 ); // bit_depth_chroma_minus8
287 bs_write1( s, sps->b_qpprime_y_zero_transform_bypass );
288 bs_write1( s, 0 ); // seq_scaling_matrix_present_flag
291 bs_write_ue( s, sps->i_log2_max_frame_num - 4 );
292 bs_write_ue( s, sps->i_poc_type );
293 if( sps->i_poc_type == 0 )
294 bs_write_ue( s, sps->i_log2_max_poc_lsb - 4 );
295 bs_write_ue( s, sps->i_num_ref_frames );
296 bs_write1( s, sps->b_gaps_in_frame_num_value_allowed );
297 bs_write_ue( s, sps->i_mb_width - 1 );
298 bs_write_ue( s, (sps->i_mb_height >> !sps->b_frame_mbs_only) - 1);
299 bs_write1( s, sps->b_frame_mbs_only );
300 if( !sps->b_frame_mbs_only )
301 bs_write1( s, sps->b_mb_adaptive_frame_field );
302 bs_write1( s, sps->b_direct8x8_inference );
304 bs_write1( s, sps->b_crop );
307 int h_shift = sps->i_chroma_format_idc == CHROMA_420 || sps->i_chroma_format_idc == CHROMA_422;
308 int v_shift = sps->i_chroma_format_idc == CHROMA_420;
309 bs_write_ue( s, sps->crop.i_left >> h_shift );
310 bs_write_ue( s, sps->crop.i_right >> h_shift );
311 bs_write_ue( s, sps->crop.i_top >> v_shift );
312 bs_write_ue( s, sps->crop.i_bottom >> v_shift );
315 bs_write1( s, sps->b_vui );
318 bs_write1( s, sps->vui.b_aspect_ratio_info_present );
319 if( sps->vui.b_aspect_ratio_info_present )
322 static const struct { uint8_t w, h, sar; } sar[] =
324 // aspect_ratio_idc = 0 -> unspecified
325 { 1, 1, 1 }, { 12, 11, 2 }, { 10, 11, 3 }, { 16, 11, 4 },
326 { 40, 33, 5 }, { 24, 11, 6 }, { 20, 11, 7 }, { 32, 11, 8 },
327 { 80, 33, 9 }, { 18, 11, 10}, { 15, 11, 11}, { 64, 33, 12},
328 {160, 99, 13}, { 4, 3, 14}, { 3, 2, 15}, { 2, 1, 16},
329 // aspect_ratio_idc = [17..254] -> reserved
332 for( i = 0; sar[i].sar != 255; i++ )
334 if( sar[i].w == sps->vui.i_sar_width &&
335 sar[i].h == sps->vui.i_sar_height )
338 bs_write( s, 8, sar[i].sar );
339 if( sar[i].sar == 255 ) /* aspect_ratio_idc (extended) */
341 bs_write( s, 16, sps->vui.i_sar_width );
342 bs_write( s, 16, sps->vui.i_sar_height );
346 bs_write1( s, sps->vui.b_overscan_info_present );
347 if( sps->vui.b_overscan_info_present )
348 bs_write1( s, sps->vui.b_overscan_info );
350 bs_write1( s, sps->vui.b_signal_type_present );
351 if( sps->vui.b_signal_type_present )
353 bs_write( s, 3, sps->vui.i_vidformat );
354 bs_write1( s, sps->vui.b_fullrange );
355 bs_write1( s, sps->vui.b_color_description_present );
356 if( sps->vui.b_color_description_present )
358 bs_write( s, 8, sps->vui.i_colorprim );
359 bs_write( s, 8, sps->vui.i_transfer );
360 bs_write( s, 8, sps->vui.i_colmatrix );
364 bs_write1( s, sps->vui.b_chroma_loc_info_present );
365 if( sps->vui.b_chroma_loc_info_present )
367 bs_write_ue( s, sps->vui.i_chroma_loc_top );
368 bs_write_ue( s, sps->vui.i_chroma_loc_bottom );
371 bs_write1( s, sps->vui.b_timing_info_present );
372 if( sps->vui.b_timing_info_present )
374 bs_write32( s, sps->vui.i_num_units_in_tick );
375 bs_write32( s, sps->vui.i_time_scale );
376 bs_write1( s, sps->vui.b_fixed_frame_rate );
379 bs_write1( s, sps->vui.b_nal_hrd_parameters_present );
380 if( sps->vui.b_nal_hrd_parameters_present )
382 bs_write_ue( s, sps->vui.hrd.i_cpb_cnt - 1 );
383 bs_write( s, 4, sps->vui.hrd.i_bit_rate_scale );
384 bs_write( s, 4, sps->vui.hrd.i_cpb_size_scale );
386 bs_write_ue( s, sps->vui.hrd.i_bit_rate_value - 1 );
387 bs_write_ue( s, sps->vui.hrd.i_cpb_size_value - 1 );
389 bs_write1( s, sps->vui.hrd.b_cbr_hrd );
391 bs_write( s, 5, sps->vui.hrd.i_initial_cpb_removal_delay_length - 1 );
392 bs_write( s, 5, sps->vui.hrd.i_cpb_removal_delay_length - 1 );
393 bs_write( s, 5, sps->vui.hrd.i_dpb_output_delay_length - 1 );
394 bs_write( s, 5, sps->vui.hrd.i_time_offset_length );
397 bs_write1( s, sps->vui.b_vcl_hrd_parameters_present );
399 if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
400 bs_write1( s, 0 ); /* low_delay_hrd_flag */
402 bs_write1( s, sps->vui.b_pic_struct_present );
403 bs_write1( s, sps->vui.b_bitstream_restriction );
404 if( sps->vui.b_bitstream_restriction )
406 bs_write1( s, sps->vui.b_motion_vectors_over_pic_boundaries );
407 bs_write_ue( s, sps->vui.i_max_bytes_per_pic_denom );
408 bs_write_ue( s, sps->vui.i_max_bits_per_mb_denom );
409 bs_write_ue( s, sps->vui.i_log2_max_mv_length_horizontal );
410 bs_write_ue( s, sps->vui.i_log2_max_mv_length_vertical );
411 bs_write_ue( s, sps->vui.i_num_reorder_frames );
412 bs_write_ue( s, sps->vui.i_max_dec_frame_buffering );
416 bs_rbsp_trailing( s );
420 void x264_pps_init( x264_pps_t *pps, int i_id, x264_param_t *param, x264_sps_t *sps )
423 pps->i_sps_id = sps->i_id;
424 pps->b_cabac = param->b_cabac;
426 pps->b_pic_order = !param->i_avcintra_class && param->b_interlaced;
427 pps->i_num_slice_groups = 1;
429 pps->i_num_ref_idx_l0_default_active = param->i_frame_reference;
430 pps->i_num_ref_idx_l1_default_active = 1;
432 pps->b_weighted_pred = param->analyse.i_weighted_pred > 0;
433 pps->b_weighted_bipred = param->analyse.b_weighted_bipred ? 2 : 0;
435 pps->i_pic_init_qp = param->rc.i_rc_method == X264_RC_ABR || param->b_stitchable ? 26 + QP_BD_OFFSET : SPEC_QP( param->rc.i_qp_constant );
436 pps->i_pic_init_qs = 26 + QP_BD_OFFSET;
438 pps->i_chroma_qp_index_offset = param->analyse.i_chroma_qp_offset;
439 pps->b_deblocking_filter_control = 1;
440 pps->b_constrained_intra_pred = param->b_constrained_intra;
441 pps->b_redundant_pic_cnt = 0;
443 pps->b_transform_8x8_mode = param->analyse.b_transform_8x8 ? 1 : 0;
445 pps->i_cqm_preset = param->i_cqm_preset;
447 switch( pps->i_cqm_preset )
450 for( int i = 0; i < 8; i++ )
451 pps->scaling_list[i] = x264_cqm_flat16;
454 for( int i = 0; i < 8; i++ )
455 pps->scaling_list[i] = x264_cqm_jvt[i];
457 case X264_CQM_CUSTOM:
458 /* match the transposed DCT & zigzag */
459 transpose( param->cqm_4iy, 4 );
460 transpose( param->cqm_4py, 4 );
461 transpose( param->cqm_4ic, 4 );
462 transpose( param->cqm_4pc, 4 );
463 transpose( param->cqm_8iy, 8 );
464 transpose( param->cqm_8py, 8 );
465 transpose( param->cqm_8ic, 8 );
466 transpose( param->cqm_8pc, 8 );
467 pps->scaling_list[CQM_4IY] = param->cqm_4iy;
468 pps->scaling_list[CQM_4PY] = param->cqm_4py;
469 pps->scaling_list[CQM_4IC] = param->cqm_4ic;
470 pps->scaling_list[CQM_4PC] = param->cqm_4pc;
471 pps->scaling_list[CQM_8IY+4] = param->cqm_8iy;
472 pps->scaling_list[CQM_8PY+4] = param->cqm_8py;
473 pps->scaling_list[CQM_8IC+4] = param->cqm_8ic;
474 pps->scaling_list[CQM_8PC+4] = param->cqm_8pc;
475 for( int i = 0; i < 8; i++ )
476 for( int j = 0; j < (i < 4 ? 16 : 64); j++ )
477 if( pps->scaling_list[i][j] == 0 )
478 pps->scaling_list[i] = x264_cqm_jvt[i];
483 void x264_pps_write( bs_t *s, x264_sps_t *sps, x264_pps_t *pps )
486 bs_write_ue( s, pps->i_id );
487 bs_write_ue( s, pps->i_sps_id );
489 bs_write1( s, pps->b_cabac );
490 bs_write1( s, pps->b_pic_order );
491 bs_write_ue( s, pps->i_num_slice_groups - 1 );
493 bs_write_ue( s, pps->i_num_ref_idx_l0_default_active - 1 );
494 bs_write_ue( s, pps->i_num_ref_idx_l1_default_active - 1 );
495 bs_write1( s, pps->b_weighted_pred );
496 bs_write( s, 2, pps->b_weighted_bipred );
498 bs_write_se( s, pps->i_pic_init_qp - 26 - QP_BD_OFFSET );
499 bs_write_se( s, pps->i_pic_init_qs - 26 - QP_BD_OFFSET );
500 bs_write_se( s, pps->i_chroma_qp_index_offset );
502 bs_write1( s, pps->b_deblocking_filter_control );
503 bs_write1( s, pps->b_constrained_intra_pred );
504 bs_write1( s, pps->b_redundant_pic_cnt );
506 if( pps->b_transform_8x8_mode || pps->i_cqm_preset != X264_CQM_FLAT )
508 bs_write1( s, pps->b_transform_8x8_mode );
509 bs_write1( s, (pps->i_cqm_preset != X264_CQM_FLAT) );
510 if( pps->i_cqm_preset != X264_CQM_FLAT )
512 scaling_list_write( s, pps, CQM_4IY );
513 scaling_list_write( s, pps, CQM_4IC );
514 bs_write1( s, 0 ); // Cr = Cb
515 scaling_list_write( s, pps, CQM_4PY );
516 scaling_list_write( s, pps, CQM_4PC );
517 bs_write1( s, 0 ); // Cr = Cb
518 if( pps->b_transform_8x8_mode )
520 if( sps->i_chroma_format_idc == CHROMA_444 )
522 scaling_list_write( s, pps, CQM_8IY+4 );
523 scaling_list_write( s, pps, CQM_8IC+4 );
524 bs_write1( s, 0 ); // Cr = Cb
525 scaling_list_write( s, pps, CQM_8PY+4 );
526 scaling_list_write( s, pps, CQM_8PC+4 );
527 bs_write1( s, 0 ); // Cr = Cb
531 scaling_list_write( s, pps, CQM_8IY+4 );
532 scaling_list_write( s, pps, CQM_8PY+4 );
536 bs_write_se( s, pps->i_chroma_qp_index_offset );
539 bs_rbsp_trailing( s );
543 void x264_sei_recovery_point_write( x264_t *h, bs_t *s, int recovery_frame_cnt )
546 ALIGNED_4( uint8_t tmp_buf[100] );
547 M32( tmp_buf ) = 0; // shut up gcc
548 bs_init( &q, tmp_buf, 100 );
552 bs_write_ue( &q, recovery_frame_cnt ); // recovery_frame_cnt
553 bs_write1( &q, 1 ); //exact_match_flag 1
554 bs_write1( &q, 0 ); //broken_link_flag 0
555 bs_write( &q, 2, 0 ); //changing_slice_group 0
560 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_RECOVERY_POINT );
563 int x264_sei_version_write( x264_t *h, bs_t *s )
565 // random ID number generated according to ISO-11578
566 static const uint8_t uuid[16] =
568 0xdc, 0x45, 0xe9, 0xbd, 0xe6, 0xd9, 0x48, 0xb7,
569 0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef
571 char *opts = x264_param2string( &h->param, 0 );
577 CHECKED_MALLOC( payload, 200 + strlen( opts ) );
579 memcpy( payload, uuid, 16 );
580 sprintf( payload+16, "x264 - core %d%s - H.264/MPEG-4 AVC codec - "
581 "Copy%s 2003-2015 - http://www.videolan.org/x264.html - options: %s",
582 X264_BUILD, X264_VERSION, HAVE_GPL?"left":"right", opts );
583 length = strlen(payload)+1;
585 x264_sei_write( s, (uint8_t *)payload, length, SEI_USER_DATA_UNREGISTERED );
588 x264_free( payload );
595 void x264_sei_buffering_period_write( x264_t *h, bs_t *s )
597 x264_sps_t *sps = h->sps;
599 ALIGNED_4( uint8_t tmp_buf[100] );
600 M32( tmp_buf ) = 0; // shut up gcc
601 bs_init( &q, tmp_buf, 100 );
604 bs_write_ue( &q, sps->i_id );
606 if( sps->vui.b_nal_hrd_parameters_present )
608 bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay );
609 bs_write( &q, sps->vui.hrd.i_initial_cpb_removal_delay_length, h->initial_cpb_removal_delay_offset );
615 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_BUFFERING_PERIOD );
618 void x264_sei_pic_timing_write( x264_t *h, bs_t *s )
620 x264_sps_t *sps = h->sps;
622 ALIGNED_4( uint8_t tmp_buf[100] );
623 M32( tmp_buf ) = 0; // shut up gcc
624 bs_init( &q, tmp_buf, 100 );
628 if( sps->vui.b_nal_hrd_parameters_present || sps->vui.b_vcl_hrd_parameters_present )
630 bs_write( &q, sps->vui.hrd.i_cpb_removal_delay_length, h->fenc->i_cpb_delay - h->i_cpb_delay_pir_offset );
631 bs_write( &q, sps->vui.hrd.i_dpb_output_delay_length, h->fenc->i_dpb_output_delay );
634 if( sps->vui.b_pic_struct_present )
636 bs_write( &q, 4, h->fenc->i_pic_struct-1 ); // We use index 0 for "Auto"
638 // These clock timestamps are not standardised so we don't set them
639 // They could be time of origin, capture or alternative ideal display
640 for( int i = 0; i < num_clock_ts[h->fenc->i_pic_struct]; i++ )
641 bs_write1( &q, 0 ); // clock_timestamp_flag
647 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_PIC_TIMING );
650 void x264_sei_frame_packing_write( x264_t *h, bs_t *s )
652 int quincunx_sampling_flag = h->param.i_frame_packing == 0;
654 ALIGNED_4( uint8_t tmp_buf[100] );
655 M32( tmp_buf ) = 0; // shut up gcc
656 bs_init( &q, tmp_buf, 100 );
660 bs_write_ue( &q, 0 ); // frame_packing_arrangement_id
661 bs_write1( &q, 0 ); // frame_packing_arrangement_cancel_flag
662 bs_write ( &q, 7, h->param.i_frame_packing ); // frame_packing_arrangement_type
663 bs_write1( &q, quincunx_sampling_flag ); // quincunx_sampling_flag
665 // 0: views are unrelated, 1: left view is on the left, 2: left view is on the right
666 bs_write ( &q, 6, h->param.i_frame_packing != 6 ); // content_interpretation_type
668 bs_write1( &q, 0 ); // spatial_flipping_flag
669 bs_write1( &q, 0 ); // frame0_flipped_flag
670 bs_write1( &q, 0 ); // field_views_flag
671 bs_write1( &q, h->param.i_frame_packing == 5 && !(h->fenc->i_frame&1) ); // current_frame_is_frame0_flag
672 bs_write1( &q, 0 ); // frame0_self_contained_flag
673 bs_write1( &q, 0 ); // frame1_self_contained_flag
674 if ( quincunx_sampling_flag == 0 && h->param.i_frame_packing != 5 )
676 bs_write( &q, 4, 0 ); // frame0_grid_position_x
677 bs_write( &q, 4, 0 ); // frame0_grid_position_y
678 bs_write( &q, 4, 0 ); // frame1_grid_position_x
679 bs_write( &q, 4, 0 ); // frame1_grid_position_y
681 bs_write( &q, 8, 0 ); // frame_packing_arrangement_reserved_byte
682 // "frame_packing_arrangement_repetition_period equal to 1 specifies that the frame packing arrangement SEI message persists in output"
683 // for (i_frame_packing == 5) this will undermine current_frame_is_frame0_flag which must alternate every view sequence
684 bs_write_ue( &q, h->param.i_frame_packing != 5 ); // frame_packing_arrangement_repetition_period
685 bs_write1( &q, 0 ); // frame_packing_arrangement_extension_flag
690 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_FRAME_PACKING );
693 void x264_filler_write( x264_t *h, bs_t *s, int filler )
697 for( int i = 0; i < filler; i++ )
698 bs_write( s, 8, 0xff );
700 bs_rbsp_trailing( s );
704 void x264_sei_dec_ref_pic_marking_write( x264_t *h, bs_t *s )
706 x264_slice_header_t *sh = &h->sh_backup;
708 ALIGNED_4( uint8_t tmp_buf[100] );
709 M32( tmp_buf ) = 0; // shut up gcc
710 bs_init( &q, tmp_buf, 100 );
714 /* We currently only use this for repeating B-refs, as required by Blu-ray. */
715 bs_write1( &q, 0 ); //original_idr_flag
716 bs_write_ue( &q, sh->i_frame_num ); //original_frame_num
717 if( !h->sps->b_frame_mbs_only )
718 bs_write1( &q, 0 ); //original_field_pic_flag
720 bs_write1( &q, sh->i_mmco_command_count > 0 );
721 if( sh->i_mmco_command_count > 0 )
723 for( int i = 0; i < sh->i_mmco_command_count; i++ )
725 bs_write_ue( &q, 1 );
726 bs_write_ue( &q, sh->mmco[i].i_difference_of_pic_nums - 1 );
728 bs_write_ue( &q, 0 );
734 x264_sei_write( s, tmp_buf, bs_pos( &q ) / 8, SEI_DEC_REF_PIC_MARKING );
737 int x264_sei_avcintra_umid_write( x264_t *h, bs_t *s )
740 const char *msg = "UMID";
743 memset( data, 0xff, len );
744 memcpy( data, avcintra_uuid, sizeof(avcintra_uuid) );
745 memcpy( data+16, msg, strlen(msg) );
748 /* These bytes appear to be some sort of frame/seconds counter in certain applications,
749 * but others jump around, so leave them as zero for now */
750 data[22] = data[23] = data[25] = data[26] = 0;
752 data[30] = data[31] = data[33] = data[34] = 0;
754 data[41] = 0x22; /* Believed to be some sort of end of basic UMID identifier */
756 data[62] = data[63] = data[65] = data[66] = 0;
758 data[70] = data[71] = data[73] = data[74] = 0;
760 x264_sei_write( &h->out.bs, data, len, SEI_USER_DATA_UNREGISTERED );
765 int x264_sei_avcintra_vanc_write( x264_t *h, bs_t *s, int len )
768 const char *msg = "VANC";
769 if( len > sizeof(data) )
771 x264_log( h, X264_LOG_ERROR, "AVC-Intra SEI is too large (%d)\n", len );
775 memset( data, 0xff, len );
776 memcpy( data, avcintra_uuid, sizeof(avcintra_uuid) );
777 memcpy( data+16, msg, strlen(msg) );
779 x264_sei_write( &h->out.bs, data, len, SEI_USER_DATA_UNREGISTERED );
784 const x264_level_t x264_levels[] =
786 { 10, 1485, 99, 396, 64, 175, 64, 64, 0, 2, 0, 0, 1 },
787 { 9, 1485, 99, 396, 128, 350, 64, 64, 0, 2, 0, 0, 1 }, /* "1b" */
788 { 11, 3000, 396, 900, 192, 500, 128, 64, 0, 2, 0, 0, 1 },
789 { 12, 6000, 396, 2376, 384, 1000, 128, 64, 0, 2, 0, 0, 1 },
790 { 13, 11880, 396, 2376, 768, 2000, 128, 64, 0, 2, 0, 0, 1 },
791 { 20, 11880, 396, 2376, 2000, 2000, 128, 64, 0, 2, 0, 0, 1 },
792 { 21, 19800, 792, 4752, 4000, 4000, 256, 64, 0, 2, 0, 0, 0 },
793 { 22, 20250, 1620, 8100, 4000, 4000, 256, 64, 0, 2, 0, 0, 0 },
794 { 30, 40500, 1620, 8100, 10000, 10000, 256, 32, 22, 2, 0, 1, 0 },
795 { 31, 108000, 3600, 18000, 14000, 14000, 512, 16, 60, 4, 1, 1, 0 },
796 { 32, 216000, 5120, 20480, 20000, 20000, 512, 16, 60, 4, 1, 1, 0 },
797 { 40, 245760, 8192, 32768, 20000, 25000, 512, 16, 60, 4, 1, 1, 0 },
798 { 41, 245760, 8192, 32768, 50000, 62500, 512, 16, 24, 2, 1, 1, 0 },
799 { 42, 522240, 8704, 34816, 50000, 62500, 512, 16, 24, 2, 1, 1, 1 },
800 { 50, 589824, 22080, 110400, 135000, 135000, 512, 16, 24, 2, 1, 1, 1 },
801 { 51, 983040, 36864, 184320, 240000, 240000, 512, 16, 24, 2, 1, 1, 1 },
802 { 52, 2073600, 36864, 184320, 240000, 240000, 512, 16, 24, 2, 1, 1, 1 },
809 x264_log( h, X264_LOG_WARNING, __VA_ARGS__ );\
813 int x264_validate_levels( x264_t *h, int verbose )
816 int mbs = h->sps->i_mb_width * h->sps->i_mb_height;
817 int dpb = mbs * h->sps->vui.i_max_dec_frame_buffering;
818 int cbp_factor = h->sps->i_profile_idc>=PROFILE_HIGH422 ? 16 :
819 h->sps->i_profile_idc==PROFILE_HIGH10 ? 12 :
820 h->sps->i_profile_idc==PROFILE_HIGH ? 5 : 4;
822 const x264_level_t *l = x264_levels;
823 while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
826 if( l->frame_size < mbs
827 || l->frame_size*8 < h->sps->i_mb_width * h->sps->i_mb_width
828 || l->frame_size*8 < h->sps->i_mb_height * h->sps->i_mb_height )
829 ERROR( "frame MB size (%dx%d) > level limit (%d)\n",
830 h->sps->i_mb_width, h->sps->i_mb_height, l->frame_size );
832 ERROR( "DPB size (%d frames, %d mbs) > level limit (%d frames, %d mbs)\n",
833 h->sps->vui.i_max_dec_frame_buffering, dpb, l->dpb / mbs, l->dpb );
835 #define CHECK( name, limit, val ) \
836 if( (val) > (limit) ) \
837 ERROR( name " (%"PRId64") > level limit (%d)\n", (int64_t)(val), (limit) );
839 CHECK( "VBV bitrate", (l->bitrate * cbp_factor) / 4, h->param.rc.i_vbv_max_bitrate );
840 CHECK( "VBV buffer", (l->cpb * cbp_factor) / 4, h->param.rc.i_vbv_buffer_size );
841 CHECK( "MV range", l->mv_range, h->param.analyse.i_mv_range );
842 CHECK( "interlaced", !l->frame_only, h->param.b_interlaced );
843 CHECK( "fake interlaced", !l->frame_only, h->param.b_fake_interlaced );
845 if( h->param.i_fps_den > 0 )
846 CHECK( "MB rate", l->mbps, (int64_t)mbs * h->param.i_fps_num / h->param.i_fps_den );
848 /* TODO check the rest of the limits */