23 fixed(1, rbsp_stop_one_bit, 1);
25 fixed(1, rbsp_alignment_zero_bit, 0);
32 int expected_nal_unit_type)
36 fixed(1, forbidden_zero_bit, 0);
38 if (expected_nal_unit_type >= 0)
39 u(6, nal_unit_type, expected_nal_unit_type,
40 expected_nal_unit_type);
44 u(6, nuh_layer_id, 0, 62);
45 u(3, nuh_temporal_id_plus1, 1, 7);
54 fixed(1, alignment_bit_equal_to_one, 1);
56 fixed(1, alignment_bit_equal_to_zero, 0);
72 current->bit_length = k;
75 allocate(current->data, (current->bit_length + 7) / 8);
76 for (k = 0; k < current->bit_length; k++) {
78 current->data[k / 8] |= bit << (7 - k % 8);
82 for (k = 0; k < current->bit_length; k++)
90 int profile_present_flag,
91 int max_num_sub_layers_minus1)
95 if (profile_present_flag) {
96 u(2, general_profile_space, 0, 0);
97 flag(general_tier_flag);
98 ub(5, general_profile_idc);
100 for (j = 0; j < 32; j++)
101 flags(general_profile_compatibility_flag[j], 1, j);
103 flag(general_progressive_source_flag);
104 flag(general_interlaced_source_flag);
105 flag(general_non_packed_constraint_flag);
106 flag(general_frame_only_constraint_flag);
108 #define profile_compatible(x) (current->general_profile_idc == (x) || \ 109 current->general_profile_compatibility_flag[x]) 114 flag(general_max_12bit_constraint_flag);
115 flag(general_max_10bit_constraint_flag);
116 flag(general_max_8bit_constraint_flag);
117 flag(general_max_422chroma_constraint_flag);
118 flag(general_max_420chroma_constraint_flag);
119 flag(general_max_monochrome_constraint_flag);
120 flag(general_intra_constraint_flag);
121 flag(general_one_picture_only_constraint_flag);
122 flag(general_lower_bit_rate_constraint_flag);
126 flag(general_max_14bit_constraint_flag);
127 fixed(24, general_reserved_zero_33bits, 0);
128 fixed( 9, general_reserved_zero_33bits, 0);
130 fixed(24, general_reserved_zero_34bits, 0);
131 fixed(10, general_reserved_zero_34bits, 0);
134 fixed(7, general_reserved_zero_7bits, 0);
135 flag(general_one_picture_only_constraint_flag);
136 fixed(24, general_reserved_zero_35bits, 0);
137 fixed(11, general_reserved_zero_35bits, 0);
139 fixed(24, general_reserved_zero_43bits, 0);
140 fixed(19, general_reserved_zero_43bits, 0);
146 flag(general_inbld_flag);
148 fixed(1, general_reserved_zero_bit, 0);
150 #undef profile_compatible 153 ub(8, general_level_idc);
155 for (i = 0; i < max_num_sub_layers_minus1; i++) {
156 flags(sub_layer_profile_present_flag[i], 1, i);
157 flags(sub_layer_level_present_flag[i], 1, i);
160 if (max_num_sub_layers_minus1 > 0) {
161 for (i = max_num_sub_layers_minus1; i < 8; i++)
162 fixed(2, reserved_zero_2bits, 0);
165 for (i = 0; i < max_num_sub_layers_minus1; i++) {
166 if (current->sub_layer_profile_present_flag[i]) {
167 us(2, sub_layer_profile_space[i], 0, 0, 1, i);
168 flags(sub_layer_tier_flag[i], 1, i);
169 ubs(5, sub_layer_profile_idc[i], 1, i);
171 for (j = 0; j < 32; j++)
172 flags(sub_layer_profile_compatibility_flag[i][j], 2, i, j);
174 flags(sub_layer_progressive_source_flag[i], 1, i);
175 flags(sub_layer_interlaced_source_flag[i], 1, i);
176 flags(sub_layer_non_packed_constraint_flag[i], 1, i);
177 flags(sub_layer_frame_only_constraint_flag[i], 1, i);
179 #define profile_compatible(x) (current->sub_layer_profile_idc[i] == (x) || \ 180 current->sub_layer_profile_compatibility_flag[i][x]) 185 flags(sub_layer_max_12bit_constraint_flag[i], 1, i);
186 flags(sub_layer_max_10bit_constraint_flag[i], 1, i);
187 flags(sub_layer_max_8bit_constraint_flag[i], 1, i);
188 flags(sub_layer_max_422chroma_constraint_flag[i], 1, i);
189 flags(sub_layer_max_420chroma_constraint_flag[i], 1, i);
190 flags(sub_layer_max_monochrome_constraint_flag[i], 1, i);
191 flags(sub_layer_intra_constraint_flag[i], 1, i);
192 flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
193 flags(sub_layer_lower_bit_rate_constraint_flag[i], 1, i);
196 flags(sub_layer_max_14bit_constraint_flag[i], 1, i);
197 fixed(24, sub_layer_reserved_zero_33bits, 0);
198 fixed( 9, sub_layer_reserved_zero_33bits, 0);
200 fixed(24, sub_layer_reserved_zero_34bits, 0);
201 fixed(10, sub_layer_reserved_zero_34bits, 0);
204 fixed(7, sub_layer_reserved_zero_7bits, 0);
205 flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
206 fixed(24, sub_layer_reserved_zero_43bits, 0);
207 fixed(11, sub_layer_reserved_zero_43bits, 0);
209 fixed(24, sub_layer_reserved_zero_43bits, 0);
210 fixed(19, sub_layer_reserved_zero_43bits, 0);
216 flags(sub_layer_inbld_flag[i], 1, i);
218 fixed(1, sub_layer_reserved_zero_bit, 0);
220 #undef profile_compatible 222 if (current->sub_layer_level_present_flag[i])
223 ubs(8, sub_layer_level_idc[i], 1, i);
231 int nal,
int sub_layer_id)
237 current = &hrd->nal_sub_layer_hrd_parameters[sub_layer_id];
239 current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id];
241 for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) {
242 ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
243 ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
244 if (hrd->sub_pic_hrd_params_present_flag) {
245 ues(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
246 ues(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
248 flags(cbr_flag[i], 1, i);
256 int max_num_sub_layers_minus1)
260 if (common_inf_present_flag) {
261 flag(nal_hrd_parameters_present_flag);
262 flag(vcl_hrd_parameters_present_flag);
264 if (current->nal_hrd_parameters_present_flag ||
265 current->vcl_hrd_parameters_present_flag) {
266 flag(sub_pic_hrd_params_present_flag);
267 if (current->sub_pic_hrd_params_present_flag) {
268 ub(8, tick_divisor_minus2);
269 ub(5, du_cpb_removal_delay_increment_length_minus1);
270 flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
271 ub(5, dpb_output_delay_du_length_minus1);
274 ub(4, bit_rate_scale);
275 ub(4, cpb_size_scale);
276 if (current->sub_pic_hrd_params_present_flag)
277 ub(4, cpb_size_du_scale);
279 ub(5, initial_cpb_removal_delay_length_minus1);
280 ub(5, au_cpb_removal_delay_length_minus1);
281 ub(5, dpb_output_delay_length_minus1);
283 infer(sub_pic_hrd_params_present_flag, 0);
285 infer(initial_cpb_removal_delay_length_minus1, 23);
286 infer(au_cpb_removal_delay_length_minus1, 23);
287 infer(dpb_output_delay_length_minus1, 23);
291 for (i = 0; i <= max_num_sub_layers_minus1; i++) {
292 flags(fixed_pic_rate_general_flag[i], 1, i);
294 if (!current->fixed_pic_rate_general_flag[i])
295 flags(fixed_pic_rate_within_cvs_flag[i], 1, i);
297 infer(fixed_pic_rate_within_cvs_flag[i], 1);
299 if (current->fixed_pic_rate_within_cvs_flag[i]) {
300 ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i);
301 infer(low_delay_hrd_flag[i], 0);
303 flags(low_delay_hrd_flag[i], 1, i);
305 if (!current->low_delay_hrd_flag[i])
306 ues(cpb_cnt_minus1[i], 0, 31, 1, i);
308 infer(cpb_cnt_minus1[i], 0);
310 if (current->nal_hrd_parameters_present_flag)
312 if (current->vcl_hrd_parameters_present_flag)
324 flag(aspect_ratio_info_present_flag);
325 if (current->aspect_ratio_info_present_flag) {
326 ub(8, aspect_ratio_idc);
327 if (current->aspect_ratio_idc == 255) {
332 infer(aspect_ratio_idc, 0);
335 flag(overscan_info_present_flag);
336 if (current->overscan_info_present_flag)
337 flag(overscan_appropriate_flag);
339 flag(video_signal_type_present_flag);
340 if (current->video_signal_type_present_flag) {
342 flag(video_full_range_flag);
343 flag(colour_description_present_flag);
344 if (current->colour_description_present_flag) {
345 ub(8, colour_primaries);
347 ub(8, matrix_coefficients);
349 infer(colour_primaries, 2);
351 infer(matrix_coefficients, 2);
354 infer(video_format, 5);
355 infer(video_full_range_flag, 0);
356 infer(colour_primaries, 2);
358 infer(matrix_coefficients, 2);
361 flag(chroma_loc_info_present_flag);
362 if (current->chroma_loc_info_present_flag) {
363 ue(chroma_sample_loc_type_top_field, 0, 5);
364 ue(chroma_sample_loc_type_bottom_field, 0, 5);
366 infer(chroma_sample_loc_type_top_field, 0);
367 infer(chroma_sample_loc_type_bottom_field, 0);
370 flag(neutral_chroma_indication_flag);
371 flag(field_seq_flag);
372 flag(frame_field_info_present_flag);
374 flag(default_display_window_flag);
375 if (current->default_display_window_flag) {
376 ue(def_disp_win_left_offset, 0, 16384);
377 ue(def_disp_win_right_offset, 0, 16384);
378 ue(def_disp_win_top_offset, 0, 16384);
379 ue(def_disp_win_bottom_offset, 0, 16384);
382 flag(vui_timing_info_present_flag);
383 if (current->vui_timing_info_present_flag) {
384 u(32, vui_num_units_in_tick, 1, UINT32_MAX);
385 u(32, vui_time_scale, 1, UINT32_MAX);
386 flag(vui_poc_proportional_to_timing_flag);
387 if (current->vui_poc_proportional_to_timing_flag)
388 ue(vui_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
390 flag(vui_hrd_parameters_present_flag);
391 if (current->vui_hrd_parameters_present_flag) {
393 1,
sps->sps_max_sub_layers_minus1));
397 flag(bitstream_restriction_flag);
398 if (current->bitstream_restriction_flag) {
399 flag(tiles_fixed_structure_flag);
400 flag(motion_vectors_over_pic_boundaries_flag);
401 flag(restricted_ref_pic_lists_flag);
402 ue(min_spatial_segmentation_idc, 0, 4095);
403 ue(max_bytes_per_pic_denom, 0, 16);
404 ue(max_bits_per_min_cu_denom, 0, 16);
405 ue(log2_max_mv_length_horizontal, 0, 16);
406 ue(log2_max_mv_length_vertical, 0, 16);
408 infer(tiles_fixed_structure_flag, 0);
409 infer(motion_vectors_over_pic_boundaries_flag, 1);
410 infer(min_spatial_segmentation_idc, 0);
411 infer(max_bytes_per_pic_denom, 2);
412 infer(max_bits_per_min_cu_denom, 1);
413 infer(log2_max_mv_length_horizontal, 15);
414 infer(log2_max_mv_length_vertical, 15);
425 HEADER(
"Video Parameter Set");
429 ub(4, vps_video_parameter_set_id);
431 flag(vps_base_layer_internal_flag);
432 flag(vps_base_layer_available_flag);
435 flag(vps_temporal_id_nesting_flag);
437 if (current->vps_max_sub_layers_minus1 == 0 &&
438 current->vps_temporal_id_nesting_flag != 1) {
440 "vps_temporal_id_nesting_flag must be 1 if " 441 "vps_max_sub_layers_minus1 is 0.\n");
445 fixed(16, vps_reserved_0xffff_16bits, 0xffff);
448 1, current->vps_max_sub_layers_minus1));
450 flag(vps_sub_layer_ordering_info_present_flag);
451 for (i = (current->vps_sub_layer_ordering_info_present_flag ?
452 0 : current->vps_max_sub_layers_minus1);
453 i <= current->vps_max_sub_layers_minus1; i++) {
454 ues(vps_max_dec_pic_buffering_minus1[i],
456 ues(vps_max_num_reorder_pics[i],
457 0, current->vps_max_dec_pic_buffering_minus1[i], 1, i);
458 ues(vps_max_latency_increase_plus1[i],
459 0, UINT32_MAX - 1, 1, i);
461 if (!current->vps_sub_layer_ordering_info_present_flag) {
462 for (i = 0; i < current->vps_max_sub_layers_minus1; i++) {
463 infer(vps_max_dec_pic_buffering_minus1[i],
464 current->vps_max_dec_pic_buffering_minus1[current->vps_max_sub_layers_minus1]);
465 infer(vps_max_num_reorder_pics[i],
466 current->vps_max_num_reorder_pics[current->vps_max_sub_layers_minus1]);
467 infer(vps_max_latency_increase_plus1[i],
468 current->vps_max_latency_increase_plus1[current->vps_max_sub_layers_minus1]);
474 for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) {
475 for (j = 0; j <= current->vps_max_layer_id; j++)
476 flags(layer_id_included_flag[i][j], 2, i, j);
478 for (j = 0; j <= current->vps_max_layer_id; j++)
479 infer(layer_id_included_flag[0][j], j == 0);
481 flag(vps_timing_info_present_flag);
482 if (current->vps_timing_info_present_flag) {
483 u(32, vps_num_units_in_tick, 1, UINT32_MAX);
484 u(32, vps_time_scale, 1, UINT32_MAX);
485 flag(vps_poc_proportional_to_timing_flag);
486 if (current->vps_poc_proportional_to_timing_flag)
487 ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
488 ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1);
489 for (i = 0; i < current->vps_num_hrd_parameters; i++) {
490 ues(hrd_layer_set_idx[i],
491 current->vps_base_layer_internal_flag ? 0 : 1,
492 current->vps_num_layer_sets_minus1, 1, i);
494 flags(cprms_present_flag[i], 1, i);
496 infer(cprms_present_flag[0], 1);
499 current->cprms_present_flag[i],
500 current->vps_max_sub_layers_minus1));
504 flag(vps_extension_flag);
505 if (current->vps_extension_flag)
520 flag(inter_ref_pic_set_prediction_flag);
522 infer(inter_ref_pic_set_prediction_flag, 0);
524 if (current->inter_ref_pic_set_prediction_flag) {
525 unsigned int ref_rps_idx, num_delta_pocs;
527 int delta_rps, d_poc;
533 if (st_rps_idx ==
sps->num_short_term_ref_pic_sets)
534 ue(delta_idx_minus1, 0, st_rps_idx - 1);
536 infer(delta_idx_minus1, 0);
538 ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
539 ref = &
sps->st_ref_pic_set[ref_rps_idx];
540 num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
542 flag(delta_rps_sign);
543 ue(abs_delta_rps_minus1, 0, INT16_MAX);
544 delta_rps = (1 - 2 * current->delta_rps_sign) *
545 (current->abs_delta_rps_minus1 + 1);
547 for (j = 0; j <= num_delta_pocs; j++) {
548 flags(used_by_curr_pic_flag[j], 1, j);
549 if (!current->used_by_curr_pic_flag[j])
550 flags(use_delta_flag[j], 1, j);
552 infer(use_delta_flag[j], 1);
572 for (i = 0; i < ref->num_negative_pics; i++) {
573 d_poc -= ref->delta_poc_s0_minus1[
i] + 1;
574 ref_delta_poc_s0[
i] = d_poc;
577 for (i = 0; i < ref->num_positive_pics; i++) {
578 d_poc += ref->delta_poc_s1_minus1[
i] + 1;
579 ref_delta_poc_s1[
i] = d_poc;
583 for (j = ref->num_positive_pics - 1; j >= 0; j--) {
584 d_poc = ref_delta_poc_s1[j] + delta_rps;
585 if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
586 delta_poc_s0[
i] = d_poc;
587 used_by_curr_pic_s0[i++] =
588 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
591 if (delta_rps < 0 && current->use_delta_flag[num_delta_pocs]) {
592 delta_poc_s0[
i] = delta_rps;
593 used_by_curr_pic_s0[i++] =
594 current->used_by_curr_pic_flag[num_delta_pocs];
596 for (j = 0; j < ref->num_negative_pics; j++) {
597 d_poc = ref_delta_poc_s0[j] + delta_rps;
598 if (d_poc < 0 && current->use_delta_flag[j]) {
599 delta_poc_s0[
i] = d_poc;
600 used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
604 infer(num_negative_pics, i);
605 for (i = 0; i < current->num_negative_pics; i++) {
606 infer(delta_poc_s0_minus1[i],
607 -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
608 infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
612 for (j = ref->num_negative_pics - 1; j >= 0; j--) {
613 d_poc = ref_delta_poc_s0[j] + delta_rps;
614 if (d_poc > 0 && current->use_delta_flag[j]) {
615 delta_poc_s1[
i] = d_poc;
616 used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
619 if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
620 delta_poc_s1[
i] = delta_rps;
621 used_by_curr_pic_s1[i++] =
622 current->used_by_curr_pic_flag[num_delta_pocs];
624 for (j = 0; j < ref->num_positive_pics; j++) {
625 d_poc = ref_delta_poc_s1[j] + delta_rps;
626 if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
627 delta_poc_s1[
i] = d_poc;
628 used_by_curr_pic_s1[i++] =
629 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
633 infer(num_positive_pics, i);
634 for (i = 0; i < current->num_positive_pics; i++) {
635 infer(delta_poc_s1_minus1[i],
636 delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
637 infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
641 ue(num_negative_pics, 0, 15);
642 ue(num_positive_pics, 0, 15 - current->num_negative_pics);
644 for (i = 0; i < current->num_negative_pics; i++) {
645 ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
646 flags(used_by_curr_pic_s0_flag[i], 1, i);
649 for (i = 0; i < current->num_positive_pics; i++) {
650 ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i);
651 flags(used_by_curr_pic_s1_flag[i], 1, i);
661 int sizeId, matrixId;
664 for (sizeId = 0; sizeId < 4; sizeId++) {
665 for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
666 flags(scaling_list_pred_mode_flag[sizeId][matrixId],
667 2, sizeId, matrixId);
668 if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
669 ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
670 0, sizeId == 3 ? matrixId / 3 : matrixId,
671 2, sizeId, matrixId);
673 n =
FFMIN(64, 1 << (4 + (sizeId << 1)));
675 ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247,
676 2, sizeId - 2, matrixId);
678 for (i = 0; i <
n; i++) {
679 ses(scaling_list_delta_coeff[sizeId][matrixId][i],
680 -128, +127, 3, sizeId, matrixId, i);
694 flag(transform_skip_rotation_enabled_flag);
695 flag(transform_skip_context_enabled_flag);
696 flag(implicit_rdpcm_enabled_flag);
697 flag(explicit_rdpcm_enabled_flag);
698 flag(extended_precision_processing_flag);
699 flag(intra_smoothing_disabled_flag);
700 flag(high_precision_offsets_enabled_flag);
701 flag(persistent_rice_adaptation_enabled_flag);
702 flag(cabac_bypass_alignment_enabled_flag);
712 flag(sps_curr_pic_ref_enabled_flag);
714 flag(palette_mode_enabled_flag);
715 if (current->palette_mode_enabled_flag) {
716 ue(palette_max_size, 0, 64);
717 ue(delta_palette_max_predictor_size, 0, 128);
719 flag(sps_palette_predictor_initializer_present_flag);
720 if (current->sps_palette_predictor_initializer_present_flag) {
721 ue(sps_num_palette_predictor_initializer_minus1, 0, 128);
722 for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
723 int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
724 : current->bit_depth_chroma_minus8 + 8;
725 for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
726 ubs(bit_depth, sps_palette_predictor_initializers[comp][i], 2, comp, i);
731 u(2, motion_vector_resolution_control_idc, 0, 2);
732 flag(intra_boundary_filtering_disable_flag);
743 unsigned int min_cb_log2_size_y, ctb_log2_size_y,
744 min_cb_size_y, min_tb_log2_size_y;
746 HEADER(
"Sequence Parameter Set");
750 ub(4, sps_video_parameter_set_id);
751 h265->
active_vps = vps = h265->
vps[current->sps_video_parameter_set_id];
754 flag(sps_temporal_id_nesting_flag);
758 "sps_max_sub_layers_minus1 (%d) must be less than or equal to " 759 "vps_max_sub_layers_minus1 (%d).\n",
761 current->sps_max_sub_layers_minus1);
765 !current->sps_temporal_id_nesting_flag) {
767 "sps_temporal_id_nesting_flag must be 1 if " 768 "vps_temporal_id_nesting_flag is 1.\n");
774 1, current->sps_max_sub_layers_minus1));
776 ue(sps_seq_parameter_set_id, 0, 15);
778 ue(chroma_format_idc, 0, 3);
779 if (current->chroma_format_idc == 3)
780 flag(separate_colour_plane_flag);
782 infer(separate_colour_plane_flag, 0);
787 flag(conformance_window_flag);
788 if (current->conformance_window_flag) {
789 ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
790 ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
791 ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
792 ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
794 infer(conf_win_left_offset, 0);
795 infer(conf_win_right_offset, 0);
796 infer(conf_win_top_offset, 0);
797 infer(conf_win_bottom_offset, 0);
800 ue(bit_depth_luma_minus8, 0, 8);
801 ue(bit_depth_chroma_minus8, 0, 8);
803 ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
805 flag(sps_sub_layer_ordering_info_present_flag);
806 for (i = (current->sps_sub_layer_ordering_info_present_flag ?
807 0 : current->sps_max_sub_layers_minus1);
808 i <= current->sps_max_sub_layers_minus1; i++) {
809 ues(sps_max_dec_pic_buffering_minus1[i],
811 ues(sps_max_num_reorder_pics[i],
812 0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
813 ues(sps_max_latency_increase_plus1[i],
814 0, UINT32_MAX - 1, 1, i);
816 if (!current->sps_sub_layer_ordering_info_present_flag) {
817 for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
818 infer(sps_max_dec_pic_buffering_minus1[i],
819 current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
820 infer(sps_max_num_reorder_pics[i],
821 current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
822 infer(sps_max_latency_increase_plus1[i],
823 current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
827 ue(log2_min_luma_coding_block_size_minus3, 0, 3);
828 min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
830 ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
831 ctb_log2_size_y = min_cb_log2_size_y +
832 current->log2_diff_max_min_luma_coding_block_size;
834 min_cb_size_y = 1 << min_cb_log2_size_y;
835 if (current->pic_width_in_luma_samples % min_cb_size_y ||
836 current->pic_height_in_luma_samples % min_cb_size_y) {
838 "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
839 current->pic_height_in_luma_samples, min_cb_size_y);
843 ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
844 min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
846 ue(log2_diff_max_min_luma_transform_block_size,
847 0,
FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
849 ue(max_transform_hierarchy_depth_inter,
850 0, ctb_log2_size_y - min_tb_log2_size_y);
851 ue(max_transform_hierarchy_depth_intra,
852 0, ctb_log2_size_y - min_tb_log2_size_y);
854 flag(scaling_list_enabled_flag);
855 if (current->scaling_list_enabled_flag) {
856 flag(sps_scaling_list_data_present_flag);
857 if (current->sps_scaling_list_data_present_flag)
860 infer(sps_scaling_list_data_present_flag, 0);
863 flag(amp_enabled_flag);
864 flag(sample_adaptive_offset_enabled_flag);
866 flag(pcm_enabled_flag);
867 if (current->pcm_enabled_flag) {
868 u(4, pcm_sample_bit_depth_luma_minus1,
869 0, current->bit_depth_luma_minus8 + 8 - 1);
870 u(4, pcm_sample_bit_depth_chroma_minus1,
871 0, current->bit_depth_chroma_minus8 + 8 - 1);
873 ue(log2_min_pcm_luma_coding_block_size_minus3,
874 FFMIN(min_cb_log2_size_y, 5) - 3,
FFMIN(ctb_log2_size_y, 5) - 3);
875 ue(log2_diff_max_min_pcm_luma_coding_block_size,
876 0,
FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
878 flag(pcm_loop_filter_disabled_flag);
882 for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
885 flag(long_term_ref_pics_present_flag);
886 if (current->long_term_ref_pics_present_flag) {
888 for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
889 ubs(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
890 lt_ref_pic_poc_lsb_sps[i], 1, i);
891 flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
895 flag(sps_temporal_mvp_enabled_flag);
896 flag(strong_intra_smoothing_enabled_flag);
898 flag(vui_parameters_present_flag);
899 if (current->vui_parameters_present_flag)
902 flag(sps_extension_present_flag);
903 if (current->sps_extension_present_flag) {
904 flag(sps_range_extension_flag);
905 flag(sps_multilayer_extension_flag);
906 flag(sps_3d_extension_flag);
907 flag(sps_scc_extension_flag);
908 ub(4, sps_extension_4bits);
911 if (current->sps_range_extension_flag)
913 if (current->sps_multilayer_extension_flag)
915 if (current->sps_3d_extension_flag)
917 if (current->sps_scc_extension_flag)
919 if (current->sps_extension_4bits)
934 if (current->transform_skip_enabled_flag)
935 ue(log2_max_transform_skip_block_size_minus2, 0, 3);
936 flag(cross_component_prediction_enabled_flag);
938 flag(chroma_qp_offset_list_enabled_flag);
939 if (current->chroma_qp_offset_list_enabled_flag) {
940 ue(diff_cu_chroma_qp_offset_depth,
942 ue(chroma_qp_offset_list_len_minus1, 0, 5);
943 for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
944 ses(cb_qp_offset_list[i], -12, +12, 1, i);
945 ses(cr_qp_offset_list[i], -12, +12, 1, i);
960 flag(pps_curr_pic_ref_enabled_flag);
962 flag(residual_adaptive_colour_transform_enabled_flag);
963 if (current->residual_adaptive_colour_transform_enabled_flag) {
964 flag(pps_slice_act_qp_offsets_present_flag);
965 se(pps_act_y_qp_offset_plus5, -7, +17);
966 se(pps_act_cb_qp_offset_plus5, -7, +17);
967 se(pps_act_cr_qp_offset_plus3, -9, +15);
969 infer(pps_slice_act_qp_offsets_present_flag, 0);
970 infer(pps_act_y_qp_offset_plus5, 0);
971 infer(pps_act_cb_qp_offset_plus5, 0);
972 infer(pps_act_cr_qp_offset_plus3, 0);
975 flag(pps_palette_predictor_initializer_present_flag);
976 if (current->pps_palette_predictor_initializer_present_flag) {
977 ue(pps_num_palette_predictor_initializer, 0, 128);
978 if (current->pps_num_palette_predictor_initializer > 0) {
979 flag(monochrome_palette_flag);
980 ue(luma_bit_depth_entry_minus8, 0, 8);
981 if (!current->monochrome_palette_flag)
982 ue(chroma_bit_depth_entry_minus8, 0, 8);
983 for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
984 int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
985 : current->chroma_bit_depth_entry_minus8 + 8;
986 for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
987 ubs(bit_depth, pps_palette_predictor_initializers[comp][i], 2, comp, i);
1002 HEADER(
"Picture Parameter Set");
1006 ue(pps_pic_parameter_set_id, 0, 63);
1007 ue(pps_seq_parameter_set_id, 0, 15);
1008 sps = h265->
sps[current->pps_seq_parameter_set_id];
1011 current->pps_seq_parameter_set_id);
1016 flag(dependent_slice_segments_enabled_flag);
1017 flag(output_flag_present_flag);
1018 ub(3, num_extra_slice_header_bits);
1019 flag(sign_data_hiding_enabled_flag);
1020 flag(cabac_init_present_flag);
1022 ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1023 ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1027 flag(constrained_intra_pred_flag);
1028 flag(transform_skip_enabled_flag);
1029 flag(cu_qp_delta_enabled_flag);
1030 if (current->cu_qp_delta_enabled_flag)
1031 ue(diff_cu_qp_delta_depth,
1034 infer(diff_cu_qp_delta_depth, 0);
1036 se(pps_cb_qp_offset, -12, +12);
1037 se(pps_cr_qp_offset, -12, +12);
1038 flag(pps_slice_chroma_qp_offsets_present_flag);
1040 flag(weighted_pred_flag);
1041 flag(weighted_bipred_flag);
1043 flag(transquant_bypass_enabled_flag);
1044 flag(tiles_enabled_flag);
1045 flag(entropy_coding_sync_enabled_flag);
1047 if (current->tiles_enabled_flag) {
1050 flag(uniform_spacing_flag);
1051 if (!current->uniform_spacing_flag) {
1052 for (i = 0; i < current->num_tile_columns_minus1; i++)
1054 for (i = 0; i < current->num_tile_rows_minus1; i++)
1057 flag(loop_filter_across_tiles_enabled_flag);
1059 infer(num_tile_columns_minus1, 0);
1060 infer(num_tile_rows_minus1, 0);
1063 flag(pps_loop_filter_across_slices_enabled_flag);
1064 flag(deblocking_filter_control_present_flag);
1065 if (current->deblocking_filter_control_present_flag) {
1066 flag(deblocking_filter_override_enabled_flag);
1067 flag(pps_deblocking_filter_disabled_flag);
1068 if (!current->pps_deblocking_filter_disabled_flag) {
1069 se(pps_beta_offset_div2, -6, +6);
1070 se(pps_tc_offset_div2, -6, +6);
1072 infer(pps_beta_offset_div2, 0);
1073 infer(pps_tc_offset_div2, 0);
1076 infer(deblocking_filter_override_enabled_flag, 0);
1077 infer(pps_deblocking_filter_disabled_flag, 0);
1078 infer(pps_beta_offset_div2, 0);
1079 infer(pps_tc_offset_div2, 0);
1082 flag(pps_scaling_list_data_present_flag);
1083 if (current->pps_scaling_list_data_present_flag)
1086 flag(lists_modification_present_flag);
1088 ue(log2_parallel_merge_level_minus2,
1092 flag(slice_segment_header_extension_present_flag);
1094 flag(pps_extension_present_flag);
1095 if (current->pps_extension_present_flag) {
1096 flag(pps_range_extension_flag);
1097 flag(pps_multilayer_extension_flag);
1098 flag(pps_3d_extension_flag);
1099 flag(pps_scc_extension_flag);
1100 ub(4, pps_extension_4bits);
1102 if (current->pps_range_extension_flag)
1104 if (current->pps_multilayer_extension_flag)
1106 if (current->pps_3d_extension_flag)
1108 if (current->pps_scc_extension_flag)
1110 if (current->pps_extension_4bits)
1123 HEADER(
"Access Unit Delimiter");
1127 u(3, pic_type, 0, 2);
1136 unsigned int num_pic_total_curr)
1138 unsigned int entry_size;
1141 entry_size =
av_log2(num_pic_total_curr - 1) + 1;
1143 flag(ref_pic_list_modification_flag_l0);
1144 if (current->ref_pic_list_modification_flag_l0) {
1145 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1146 us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1150 flag(ref_pic_list_modification_flag_l1);
1151 if (current->ref_pic_list_modification_flag_l1) {
1152 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1153 us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1169 ue(luma_log2_weight_denom, 0, 7);
1171 se(delta_chroma_log2_weight_denom, -7, 7);
1173 infer(delta_chroma_log2_weight_denom, 0);
1175 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1177 flags(luma_weight_l0_flag[i], 1, i);
1179 infer(luma_weight_l0_flag[i], 0);
1182 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1184 flags(chroma_weight_l0_flag[i], 1, i);
1186 infer(chroma_weight_l0_flag[i], 0);
1190 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1191 if (current->luma_weight_l0_flag[i]) {
1192 ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1193 ses(luma_offset_l0[i],
1197 infer(delta_luma_weight_l0[i], 0);
1198 infer(luma_offset_l0[i], 0);
1200 if (current->chroma_weight_l0_flag[i]) {
1201 for (j = 0; j < 2; j++) {
1202 ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1203 ses(chroma_offset_l0[i][j],
1208 for (j = 0; j < 2; j++) {
1209 infer(delta_chroma_weight_l0[i][j], 0);
1210 infer(chroma_offset_l0[i][j], 0);
1216 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1218 flags(luma_weight_l1_flag[i], 1, i);
1220 infer(luma_weight_l1_flag[i], 0);
1223 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1225 flags(chroma_weight_l1_flag[i], 1, i);
1227 infer(chroma_weight_l1_flag[i], 0);
1231 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1232 if (current->luma_weight_l1_flag[i]) {
1233 ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1234 ses(luma_offset_l1[i],
1238 infer(delta_luma_weight_l1[i], 0);
1239 infer(luma_offset_l1[i], 0);
1241 if (current->chroma_weight_l1_flag[i]) {
1242 for (j = 0; j < 2; j++) {
1243 ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1244 ses(chroma_offset_l1[i][j],
1249 for (j = 0; j < 2; j++) {
1250 infer(delta_chroma_weight_l1[i][j], 0);
1251 infer(chroma_offset_l1[i][j], 0);
1266 unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1267 unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1268 unsigned int num_pic_total_curr = 0;
1271 HEADER(
"Slice Segment Header");
1275 flag(first_slice_segment_in_pic_flag);
1279 flag(no_output_of_prior_pics_flag);
1281 ue(slice_pic_parameter_set_id, 0, 63);
1283 pps = h265->
pps[current->slice_pic_parameter_set_id];
1286 current->slice_pic_parameter_set_id);
1301 ctb_size_y = 1 << ctb_log2_size_y;
1302 pic_width_in_ctbs_y =
1304 pic_height_in_ctbs_y =
1306 pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1308 if (!current->first_slice_segment_in_pic_flag) {
1309 unsigned int address_size =
av_log2(pic_size_in_ctbs_y - 1) + 1;
1311 flag(dependent_slice_segment_flag);
1313 infer(dependent_slice_segment_flag, 0);
1314 u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1316 infer(dependent_slice_segment_flag, 0);
1319 if (!current->dependent_slice_segment_flag) {
1321 flags(slice_reserved_flag[i], 1, i);
1323 ue(slice_type, 0, 2);
1326 flag(pic_output_flag);
1329 u(2, colour_plane_id, 0, 2);
1337 flag(short_term_ref_pic_set_sps_flag);
1338 if (!current->short_term_ref_pic_set_sps_flag) {
1341 rps = ¤t->short_term_ref_pic_set;
1344 u(idx_size, short_term_ref_pic_set_idx,
1348 infer(short_term_ref_pic_set_idx, 0);
1352 num_pic_total_curr = 0;
1355 ++num_pic_total_curr;
1358 ++num_pic_total_curr;
1361 unsigned int idx_size;
1367 infer(num_long_term_sps, 0);
1372 for (i = 0; i < current->num_long_term_sps +
1373 current->num_long_term_pics; i++) {
1374 if (i < current->num_long_term_sps) {
1376 us(idx_size, lt_idx_sps[i],
1379 ++num_pic_total_curr;
1382 flags(used_by_curr_pic_lt_flag[i], 1, i);
1383 if (current->used_by_curr_pic_lt_flag[i])
1384 ++num_pic_total_curr;
1386 flags(delta_poc_msb_present_flag[i], 1, i);
1387 if (current->delta_poc_msb_present_flag[i])
1388 ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1390 infer(delta_poc_msb_cycle_lt[i], 0);
1395 flag(slice_temporal_mvp_enabled_flag);
1397 infer(slice_temporal_mvp_enabled_flag, 0);
1400 ++num_pic_total_curr;
1404 flag(slice_sao_luma_flag);
1406 flag(slice_sao_chroma_flag);
1408 infer(slice_sao_chroma_flag, 0);
1410 infer(slice_sao_luma_flag, 0);
1411 infer(slice_sao_chroma_flag, 0);
1416 flag(num_ref_idx_active_override_flag);
1417 if (current->num_ref_idx_active_override_flag) {
1418 ue(num_ref_idx_l0_active_minus1, 0, 14);
1420 ue(num_ref_idx_l1_active_minus1, 0, 14);
1430 num_pic_total_curr));
1433 flag(mvd_l1_zero_flag);
1435 flag(cabac_init_flag);
1437 infer(cabac_init_flag, 0);
1438 if (current->slice_temporal_mvp_enabled_flag) {
1440 flag(collocated_from_l0_flag);
1442 infer(collocated_from_l0_flag, 1);
1443 if (current->collocated_from_l0_flag) {
1444 if (current->num_ref_idx_l0_active_minus1 > 0)
1445 ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1447 infer(collocated_ref_idx, 0);
1449 if (current->num_ref_idx_l1_active_minus1 > 0)
1450 ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1452 infer(collocated_ref_idx, 0);
1460 ue(five_minus_max_num_merge_cand, 0, 4);
1462 flag(use_integer_mv_flag);
1471 se(slice_cb_qp_offset, -12, +12);
1472 se(slice_cr_qp_offset, -12, +12);
1474 infer(slice_cb_qp_offset, 0);
1475 infer(slice_cr_qp_offset, 0);
1478 se(slice_act_y_qp_offset,
1481 se(slice_act_cb_qp_offset,
1484 se(slice_act_cr_qp_offset,
1488 infer(slice_act_y_qp_offset, 0);
1489 infer(slice_act_cb_qp_offset, 0);
1490 infer(slice_act_cr_qp_offset, 0);
1493 flag(cu_chroma_qp_offset_enabled_flag);
1495 infer(cu_chroma_qp_offset_enabled_flag, 0);
1498 flag(deblocking_filter_override_flag);
1500 infer(deblocking_filter_override_flag, 0);
1501 if (current->deblocking_filter_override_flag) {
1502 flag(slice_deblocking_filter_disabled_flag);
1503 if (!current->slice_deblocking_filter_disabled_flag) {
1504 se(slice_beta_offset_div2, -6, +6);
1505 se(slice_tc_offset_div2, -6, +6);
1511 infer(slice_deblocking_filter_disabled_flag,
1517 (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1518 !current->slice_deblocking_filter_disabled_flag))
1519 flag(slice_loop_filter_across_slices_enabled_flag);
1521 infer(slice_loop_filter_across_slices_enabled_flag,
1526 unsigned int num_entry_point_offsets_limit;
1528 num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1530 num_entry_point_offsets_limit =
1533 num_entry_point_offsets_limit =
1535 ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1539 "%"PRIu16
".\n", current->num_entry_point_offsets);
1543 if (current->num_entry_point_offsets > 0) {
1544 ue(offset_len_minus1, 0, 31);
1545 for (i = 0; i < current->num_entry_point_offsets; i++)
1546 ubs(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], 1, i);
1551 ue(slice_segment_header_extension_length, 0, 256);
1552 for (i = 0; i < current->slice_segment_header_extension_length; i++)
1553 us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i);
1563 uint32_t *payload_size)
1571 int start_pos, end_pos, bits_left;
1575 HEADER(
"Buffering Period");
1579 sps = h265->
sps[current->bp_seq_parameter_set_id];
1582 current->bp_seq_parameter_set_id);
1590 "HRD parameters to be present in SPS.\n");
1597 "NAL or VCL HRD parameters to be present.\n");
1602 flag(irap_cpb_params_present_flag);
1604 infer(irap_cpb_params_present_flag, 0);
1605 if (current->irap_cpb_params_present_flag) {
1607 ub(length, cpb_delay_offset);
1609 ub(length, dpb_delay_offset);
1611 infer(cpb_delay_offset, 0);
1612 infer(dpb_delay_offset, 0);
1615 flag(concatenation_flag);
1618 ub(length, au_cpb_removal_delay_delta_minus1);
1624 ubs(length, nal_initial_cpb_removal_delay[i], 1, i);
1625 ubs(length, nal_initial_cpb_removal_offset[i], 1, i);
1628 current->irap_cpb_params_present_flag) {
1629 ubs(length, nal_initial_alt_cpb_removal_delay[i], 1, i);
1630 ubs(length, nal_initial_alt_cpb_removal_offset[i], 1, i);
1638 ubs(length, vcl_initial_cpb_removal_delay[i], 1, i);
1639 ubs(length, vcl_initial_cpb_removal_offset[i], 1, i);
1642 current->irap_cpb_params_present_flag) {
1643 ubs(length, vcl_initial_alt_cpb_removal_delay[i], 1, i);
1644 ubs(length, vcl_initial_alt_cpb_removal_offset[i], 1, i);
1653 bits_left = *payload_size * 8 - (end_pos - start_pos);
1654 if (bits_left > 0 &&
1656 flag(use_alt_cpb_params_flag);
1658 infer(use_alt_cpb_params_flag, 0);
1660 if (current->use_alt_cpb_params_flag)
1661 flag(use_alt_cpb_params_flag);
1673 int err, expected_source_scan_type,
i,
length;
1675 HEADER(
"Picture Timing");
1680 "No active SPS for pic_timing.\n");
1684 expected_source_scan_type = 2 -
1689 u(4, pic_struct, 0, 12);
1690 u(2, source_scan_type,
1691 expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1692 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1693 flag(duplicate_flag);
1695 infer(pic_struct, 0);
1696 infer(source_scan_type,
1697 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1698 infer(duplicate_flag, 0);
1709 ub(length, au_cpb_removal_delay_minus1);
1712 ub(length, pic_dpb_output_delay);
1716 ub(length, pic_dpb_output_du_delay);
1723 flag(du_common_cpb_removal_delay_flag);
1726 if (current->du_common_cpb_removal_delay_flag)
1727 ub(length, du_common_cpb_removal_delay_increment_minus1);
1729 for (i = 0; i <= current->num_decoding_units_minus1; i++) {
1730 ues(num_nalus_in_du_minus1[i],
1732 if (!current->du_common_cpb_removal_delay_flag &&
1733 i < current->num_decoding_units_minus1)
1734 ubs(length, du_cpb_removal_delay_increment_minus1[i], 1, i);
1747 HEADER(
"Pan-Scan Rectangle");
1749 ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
1750 flag(pan_scan_rect_cancel_flag);
1752 if (!current->pan_scan_rect_cancel_flag) {
1753 ue(pan_scan_cnt_minus1, 0, 2);
1755 for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
1756 ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1757 ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1758 ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1759 ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1762 flag(pan_scan_rect_persistence_flag);
1770 uint32_t *payload_size)
1774 HEADER(
"User Data Registered ITU-T T.35");
1776 u(8, itu_t_t35_country_code, 0x00, 0xff);
1777 if (current->itu_t_t35_country_code != 0xff)
1780 u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
1785 if (*payload_size < i) {
1787 "Invalid SEI user data registered payload.\n");
1790 current->data_length = *payload_size -
i;
1792 *payload_size = i + current->data_length;
1795 allocate(current->data, current->data_length);
1796 for (j = 0; j < current->data_length; j++)
1797 xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
1804 uint32_t *payload_size)
1808 HEADER(
"User Data Unregistered");
1811 if (*payload_size < 16) {
1813 "Invalid SEI user data unregistered payload.\n");
1816 current->data_length = *payload_size - 16;
1818 *payload_size = 16 + current->data_length;
1821 for (i = 0; i < 16; i++)
1822 us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
1824 allocate(current->data, current->data_length);
1826 for (i = 0; i < current->data_length; i++)
1827 xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
1837 HEADER(
"Recovery Point");
1839 se(recovery_poc_cnt, -32768, 32767);
1841 flag(exact_match_flag);
1842 flag(broken_link_flag);
1852 HEADER(
"Display Orientation");
1854 flag(display_orientation_cancel_flag);
1855 if (!current->display_orientation_cancel_flag) {
1858 ub(16, anticlockwise_rotation);
1859 flag(display_orientation_persistence_flag);
1872 HEADER(
"Active Parameter Sets");
1875 vps = h265->
vps[current->active_video_parameter_set_id];
1878 "parameter sets.\n", current->active_video_parameter_set_id);
1883 flag(self_contained_cvs_flag);
1884 flag(no_parameter_set_update_flag);
1887 for (i = 0; i <= current->num_sps_ids_minus1; i++)
1892 ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
1895 h265->
active_sps = h265->
sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
1908 HEADER(
"Decoded Picture Hash");
1912 "No active SPS for decoded picture hash.\n");
1916 u(8, hash_type, 0, 2);
1919 if (current->hash_type == 0) {
1920 for (i = 0; i < 16; i++)
1921 us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
1922 }
else if (current->hash_type == 1) {
1923 us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
1924 }
else if (current->hash_type == 2) {
1925 us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
1939 u(2, num_clock_ts, 1, 3);
1941 for (i = 0; i < current->num_clock_ts; i++) {
1942 flags(clock_timestamp_flag[i], 1, i);
1944 if (current->clock_timestamp_flag[i]) {
1945 flags(units_field_based_flag[i], 1, i);
1946 us(5, counting_type[i], 0, 6, 1, i);
1947 flags(full_timestamp_flag[i], 1, i);
1948 flags(discontinuity_flag[i], 1, i);
1949 flags(cnt_dropped_flag[i], 1, i);
1951 ubs(9, n_frames[i], 1, i);
1953 if (current->full_timestamp_flag[i]) {
1954 us(6, seconds_value[i], 0, 59, 1, i);
1955 us(6, minutes_value[i], 0, 59, 1, i);
1956 us(5, hours_value[i], 0, 23, 1, i);
1958 flags(seconds_flag[i], 1, i);
1959 if (current->seconds_flag[i]) {
1960 us(6, seconds_value[i], 0, 59, 1, i);
1961 flags(minutes_flag[i], 1, i);
1962 if (current->minutes_flag[i]) {
1963 us(6, minutes_value[i], 0, 59, 1, i);
1964 flags(hours_flag[i], 1, i);
1965 if (current->hours_flag[i])
1966 us(5, hours_value[i], 0, 23, 1, i);
1971 ubs(5, time_offset_length[i], 1, i);
1972 if (current->time_offset_length[i] > 0)
1973 ibs(current->time_offset_length[i], time_offset_value[i], 1, i);
1975 infer(time_offset_value[i], 0);
1987 HEADER(
"Mastering Display Colour Volume");
1989 for (c = 0; c < 3; c++) {
1990 us(16, display_primaries_x[c], 0, 50000, 1, c);
1991 us(16, display_primaries_y[c], 0, 50000, 1, c);
1994 u(16, white_point_x, 0, 50000);
1995 u(16, white_point_y, 0, 50000);
1997 u(32, max_display_mastering_luminance,
1999 u(32, min_display_mastering_luminance,
2000 0, current->max_display_mastering_luminance - 1);
2010 HEADER(
"Content Light Level");
2012 ub(16, max_content_light_level);
2013 ub(16, max_pic_average_light_level);
2024 HEADER(
"Alternative Transfer Characteristics");
2026 ub(8, preferred_transfer_characteristics);
2037 HEADER(
"Alpha Channel Information");
2039 flag(alpha_channel_cancel_flag);
2040 if (!current->alpha_channel_cancel_flag) {
2041 ub(3, alpha_channel_use_idc);
2042 ub(3, alpha_channel_bit_depth_minus8);
2043 length = current->alpha_channel_bit_depth_minus8 + 9;
2044 ub(length, alpha_transparent_value);
2045 ub(length, alpha_opaque_value);
2046 flag(alpha_channel_incr_flag);
2047 flag(alpha_channel_clip_flag);
2048 if (current->alpha_channel_clip_flag)
2049 flag(alpha_channel_clip_type_flag);
2051 infer(alpha_channel_use_idc, 2);
2052 infer(alpha_channel_incr_flag, 0);
2053 infer(alpha_channel_clip_flag, 0);
2063 int start_position, end_position;
2071 switch (current->payload_type) {
2072 #define SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid) do { \ 2073 if (prefix && !prefix_valid) { \ 2074 av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \ 2075 "as prefix SEI!\n", #name); \ 2076 return AVERROR_INVALIDDATA; \ 2078 if (!prefix && !suffix_valid) { \ 2079 av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \ 2080 "as suffix SEI!\n", #name); \ 2081 return AVERROR_INVALIDDATA; \ 2084 #define SEI_TYPE_N(type, prefix_valid, suffix_valid, name) \ 2085 case HEVC_SEI_TYPE_ ## type: \ 2086 SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \ 2087 CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name)); \ 2089 #define SEI_TYPE_S(type, prefix_valid, suffix_valid, name) \ 2090 case HEVC_SEI_TYPE_ ## type: \ 2091 SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \ 2092 CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name, \ 2093 ¤t->payload_size)); \ 2096 SEI_TYPE_S(BUFFERING_PERIOD, 1, 0, buffering_period);
2097 SEI_TYPE_N(PICTURE_TIMING, 1, 0, pic_timing);
2098 SEI_TYPE_N(PAN_SCAN_RECT, 1, 0, pan_scan_rect);
2100 1, 1, user_data_registered);
2101 SEI_TYPE_S(USER_DATA_UNREGISTERED, 1, 1, user_data_unregistered);
2102 SEI_TYPE_N(RECOVERY_POINT, 1, 0, recovery_point);
2103 SEI_TYPE_N(DISPLAY_ORIENTATION, 1, 0, display_orientation);
2104 SEI_TYPE_N(ACTIVE_PARAMETER_SETS, 1, 0, active_parameter_sets);
2105 SEI_TYPE_N(DECODED_PICTURE_HASH, 0, 1, decoded_picture_hash);
2107 SEI_TYPE_N(MASTERING_DISPLAY_INFO, 1, 0, mastering_display);
2108 SEI_TYPE_N(CONTENT_LIGHT_LEVEL_INFO, 1, 0, content_light_level);
2109 SEI_TYPE_N(ALTERNATIVE_TRANSFER_CHARACTERISTICS,
2110 1, 0, alternative_transfer_characteristics);
2111 SEI_TYPE_N(ALPHA_CHANNEL_INFO, 1, 0, alpha_channel_info);
2117 current->payload.other.data_length = current->payload_size;
2119 allocate(current->payload.other.data, current->payload.other.data_length);
2121 for (i = 0; i < current->payload_size; i++)
2122 xu(8, payload_byte[i], current->payload.other.data[i], 0, 255,
2128 fixed(1, bit_equal_to_one, 1);
2130 fixed(1, bit_equal_to_zero, 0);
2135 if (end_position < start_position + 8 * current->payload_size) {
2137 "header %"PRIu32
" bits, actually %d bits.\n",
2138 8 * current->payload_size,
2139 end_position - start_position);
2144 current->payload_size = (end_position - start_position) >> 3;
2156 HEADER(
"Prefix Supplemental Enhancement Information");
2158 HEADER(
"Suffix Supplemental Enhancement Information");
2166 uint32_t payload_type = 0;
2167 uint32_t payload_size = 0;
2171 fixed(8, ff_byte, 0xff);
2172 payload_type += 255;
2174 xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2175 payload_type +=
tmp;
2178 fixed(8, ff_byte, 0xff);
2179 payload_size += 255;
2181 xu(8, last_payload_size_byte, tmp, 0, 254, 0);
2182 payload_size +=
tmp;
2184 current->payload[k].payload_type = payload_type;
2185 current->payload[k].payload_size = payload_size;
2187 current->payload_count++;
2193 if (k >= H265_MAX_SEI_PAYLOADS) {
2195 "SEI message: found %d.\n", k);
2199 for (k = 0; k < current->payload_count; k++) {
2208 need_size = !current->payload[k].payload_size;
2209 for (i = 0; i < 1 + need_size; i++) {
2212 tmp = current->payload[k].payload_type;
2213 while (tmp >= 255) {
2214 fixed(8, ff_byte, 0xff);
2217 xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2219 tmp = current->payload[k].payload_size;
2220 while (tmp >= 255) {
2221 fixed(8, ff_byte, 0xff);
2224 xu(8, last_payload_size_byte, tmp, 0, 254, 0);
#define allocate(name, size)
H265RawPPS * pps[HEVC_MAX_PPS_COUNT]
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int FUNC() byte_alignment(CodedBitstreamContext *ctx, RWContext *rw)
#define se(name, range_min, range_max)
uint8_t deblocking_filter_override_enabled_flag
static int FUNC() sei_content_light_level(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIContentLightLevelInfo *current)
uint8_t num_ref_idx_l0_default_active_minus1
#define fixed(width, name, value)
static int FUNC() sub_layer_hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *hrd, int nal, int sub_layer_id)
H265RawHRDParameters hrd_parameters
uint8_t nal_hrd_parameters_present_flag
uint8_t chroma_qp_offset_list_enabled_flag
static int FUNC() sei_decoded_picture_hash(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIDecodedPictureHash *current)
uint8_t bit_depth_luma_minus8
static int FUNC() sps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t frame_field_info_present_flag
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
int8_t pps_act_y_qp_offset_plus5
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPanScanRect *current)
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *current, int common_inf_present_flag, int max_num_sub_layers_minus1)
#define us(width, name, range_min, range_max, subs,...)
uint8_t tiles_enabled_flag
H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]
static int FUNC() slice_segment_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
H265RawProfileTierLevel profile_tier_level
uint8_t pps_slice_chroma_qp_offsets_present_flag
static int FUNC() pps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint8_t sample_adaptive_offset_enabled_flag
uint8_t vui_parameters_present_flag
uint8_t bit_depth_chroma_minus8
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS]
static int FUNC() extension_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawPSExtensionData *current)
uint16_t pic_height_in_luma_samples
static int FUNC() pps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
static int FUNC() ref_pic_lists_modification(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current, unsigned int num_pic_total_curr)
uint8_t au_cpb_removal_delay_length_minus1
#define MAX_UINT_BITS(length)
#define u(width, name, range_min, range_max)
uint8_t log2_max_pic_order_cnt_lsb_minus4
H265RawSPS * sps[HEVC_MAX_SPS_COUNT]
static int FUNC() vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawVUI *current, const H265RawSPS *sps)
uint8_t dpb_output_delay_length_minus1
#define ses(name, range_min, range_max, subs,...)
static int FUNC() sei_time_code(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEITimeCode *current)
static int get_bits_count(const GetBitContext *s)
uint8_t vps_max_sub_layers_minus1
static int FUNC() sei_user_data_registered(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIUserDataRegistered *current, uint32_t *payload_size)
static int FUNC() sei_alternative_transfer_characteristics(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIAlternativeTransferCharacteristics *current)
static int FUNC() sei(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEI *current, int prefix)
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t pps_slice_act_qp_offsets_present_flag
static int FUNC() st_ref_pic_set(CodedBitstreamContext *ctx, RWContext *rw, H265RawSTRefPicSet *current, int st_rps_idx, const H265RawSPS *sps)
#define ue(name, range_min, range_max)
uint8_t num_negative_pics
uint8_t du_cpb_removal_delay_increment_length_minus1
uint8_t general_interlaced_source_flag
static int FUNC() sei_display_orientation(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIDisplayOrientation *current)
uint8_t vps_max_layers_minus1
static int put_bits_count(PutBitContext *s)
uint8_t motion_vector_resolution_control_idc
#define SEI_TYPE_S(type, prefix_valid, suffix_valid, name)
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
#define profile_compatible(x)
static int FUNC() sei_mastering_display(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIMasteringDisplayColourVolume *current)
uint8_t vui_hrd_parameters_present_flag
uint8_t num_long_term_ref_pics_sps
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
int8_t pps_beta_offset_div2
uint8_t pps_deblocking_filter_disabled_flag
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
static int FUNC() sei_active_parameter_sets(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIActiveParameterSets *current)
uint16_t pic_width_in_luma_samples
uint8_t lists_modification_present_flag
uint8_t log2_min_luma_coding_block_size_minus3
uint8_t vcl_hrd_parameters_present_flag
uint8_t pps_seq_parameter_set_id
uint8_t cabac_init_present_flag
#define SEI_TYPE_N(type, prefix_valid, suffix_valid, name)
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H265RawAUD *current)
uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS]
uint8_t num_extra_slice_header_bits
const H265RawSPS * active_sps
static int FUNC() scaling_list_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawScalingList *current)
uint8_t entropy_coding_sync_enabled_flag
uint8_t output_flag_present_flag
uint8_t weighted_bipred_flag
uint8_t dependent_slice_segments_enabled_flag
uint8_t sps_temporal_mvp_enabled_flag
#define xu(width, name, var, range_min, range_max, subs,...)
uint8_t pps_loop_filter_across_slices_enabled_flag
uint8_t weighted_pred_flag
static void skip_bits(GetBitContext *s, int n)
Context structure for coded bitstream operations.
CHECK(-1) CHECK(-2) }} }} CHECK(1) CHECK(2) }} }} } if(diff0+diff1 > 0) temp -
const H265RawVPS * active_vps
static int FUNC() profile_tier_level(CodedBitstreamContext *ctx, RWContext *rw, H265RawProfileTierLevel *current, int profile_present_flag, int max_num_sub_layers_minus1)
uint8_t chroma_format_idc
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
const H265RawPPS * active_pps
uint8_t vps_base_layer_internal_flag
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
#define flags(name, subs,...)
uint8_t num_positive_pics
static int FUNC() sei_recovery_point(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIRecoveryPoint *current)
static int FUNC() nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawNALUnitHeader *current, int expected_nal_unit_type)
uint8_t general_progressive_source_flag
static int ref[MAX_W *MAX_W]
#define bit(string, value)
uint8_t num_tile_rows_minus1
static int FUNC() sei_pic_timing(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPicTiming *current)
int8_t pps_act_cb_qp_offset_plus5
#define ubs(width, name, subs,...)
uint8_t sub_pic_hrd_params_present_flag
uint8_t num_tile_columns_minus1
uint8_t log2_diff_max_min_luma_coding_block_size
uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag
uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS]
uint8_t dpb_output_delay_du_length_minus1
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS]
void * priv_data
Format private data.
uint8_t num_short_term_ref_pic_sets
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t vps_temporal_id_nesting_flag
static int FUNC() sei_alpha_channel_info(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIAlphaChannelInfo *current)
#define ibs(width, name, subs,...)
int8_t pps_tc_offset_div2
static int FUNC() sei_user_data_unregistered(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIUserDataUnregistered *current, uint32_t *payload_size)
static int FUNC() sps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t pps_curr_pic_ref_enabled_flag
uint8_t slice_segment_header_extension_present_flag
#define infer(name, value)
H265RawVPS * vps[HEVC_MAX_VPS_COUNT]
uint8_t separate_colour_plane_flag
uint8_t initial_cpb_removal_delay_length_minus1
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t long_term_ref_pics_present_flag
static int FUNC() sei_buffering_period(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIBufferingPeriod *current, uint32_t *payload_size)
static int FUNC() sei_payload(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPayload *current, int prefix)
#define ues(name, range_min, range_max, subs,...)
int8_t pps_act_cr_qp_offset_plus3
uint8_t num_ref_idx_l1_default_active_minus1