23 fixed(1, rbsp_stop_one_bit, 1);
25 fixed(1, rbsp_alignment_zero_bit, 0);
32 uint32_t valid_type_mask)
36 fixed(1, forbidden_zero_bit, 0);
40 if (!(1 << current->nal_unit_type & valid_type_mask)) {
42 current->nal_unit_type);
46 if (current->nal_unit_type == 14 ||
47 current->nal_unit_type == 20 ||
48 current->nal_unit_type == 21) {
49 if (current->nal_unit_type != 21)
50 flag(svc_extension_flag);
52 flag(avc_3d_extension_flag);
54 if (current->svc_extension_flag) {
58 }
else if (current->avc_3d_extension_flag) {
73 int size_of_scaling_list)
78 for (i = 0; i < size_of_scaling_list; i++) {
79 ses(delta_scale[i], -128, +127, 1, i);
80 scale = (scale + current->delta_scale[
i] + 256) % 256;
93 ue(cpb_cnt_minus1, 0, 31);
94 ub(4, bit_rate_scale);
95 ub(4, cpb_size_scale);
97 for (i = 0; i <= current->cpb_cnt_minus1; i++) {
98 ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
99 ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
100 flags(cbr_flag[i], 1, i);
103 ub(5, initial_cpb_removal_delay_length_minus1);
104 ub(5, cpb_removal_delay_length_minus1);
105 ub(5, dpb_output_delay_length_minus1);
106 ub(5, time_offset_length);
116 flag(aspect_ratio_info_present_flag);
117 if (current->aspect_ratio_info_present_flag) {
118 ub(8, aspect_ratio_idc);
119 if (current->aspect_ratio_idc == 255) {
124 infer(aspect_ratio_idc, 0);
127 flag(overscan_info_present_flag);
128 if (current->overscan_info_present_flag)
129 flag(overscan_appropriate_flag);
131 flag(video_signal_type_present_flag);
132 if (current->video_signal_type_present_flag) {
134 flag(video_full_range_flag);
135 flag(colour_description_present_flag);
136 if (current->colour_description_present_flag) {
137 ub(8, colour_primaries);
139 ub(8, matrix_coefficients);
141 infer(colour_primaries, 2);
143 infer(matrix_coefficients, 2);
146 infer(video_format, 5);
147 infer(video_full_range_flag, 0);
148 infer(colour_primaries, 2);
150 infer(matrix_coefficients, 2);
153 flag(chroma_loc_info_present_flag);
154 if (current->chroma_loc_info_present_flag) {
155 ue(chroma_sample_loc_type_top_field, 0, 5);
156 ue(chroma_sample_loc_type_bottom_field, 0, 5);
158 infer(chroma_sample_loc_type_top_field, 0);
159 infer(chroma_sample_loc_type_bottom_field, 0);
162 flag(timing_info_present_flag);
163 if (current->timing_info_present_flag) {
164 u(32, num_units_in_tick, 1, UINT32_MAX);
165 u(32, time_scale, 1, UINT32_MAX);
166 flag(fixed_frame_rate_flag);
168 infer(fixed_frame_rate_flag, 0);
171 flag(nal_hrd_parameters_present_flag);
172 if (current->nal_hrd_parameters_present_flag)
175 flag(vcl_hrd_parameters_present_flag);
176 if (current->vcl_hrd_parameters_present_flag)
179 if (current->nal_hrd_parameters_present_flag ||
180 current->vcl_hrd_parameters_present_flag)
181 flag(low_delay_hrd_flag);
183 infer(low_delay_hrd_flag, 1 - current->fixed_frame_rate_flag);
185 flag(pic_struct_present_flag);
187 flag(bitstream_restriction_flag);
188 if (current->bitstream_restriction_flag) {
189 flag(motion_vectors_over_pic_boundaries_flag);
190 ue(max_bytes_per_pic_denom, 0, 16);
191 ue(max_bits_per_mb_denom, 0, 16);
194 ue(log2_max_mv_length_horizontal, 0, 16);
195 ue(log2_max_mv_length_vertical, 0, 16);
199 infer(motion_vectors_over_pic_boundaries_flag, 1);
200 infer(max_bytes_per_pic_denom, 2);
201 infer(max_bits_per_mb_denom, 1);
202 infer(log2_max_mv_length_horizontal, 15);
203 infer(log2_max_mv_length_vertical, 15);
205 if ((
sps->profile_idc == 44 ||
sps->profile_idc == 86 ||
206 sps->profile_idc == 100 ||
sps->profile_idc == 110 ||
207 sps->profile_idc == 122 ||
sps->profile_idc == 244) &&
208 sps->constraint_set3_flag) {
209 infer(max_num_reorder_frames, 0);
210 infer(max_dec_frame_buffering, 0);
224 infer(aspect_ratio_idc, 0);
226 infer(video_format, 5);
227 infer(video_full_range_flag, 0);
228 infer(colour_primaries, 2);
230 infer(matrix_coefficients, 2);
232 infer(chroma_sample_loc_type_top_field, 0);
233 infer(chroma_sample_loc_type_bottom_field, 0);
235 infer(fixed_frame_rate_flag, 0);
236 infer(low_delay_hrd_flag, 1);
238 infer(pic_struct_present_flag, 0);
240 infer(motion_vectors_over_pic_boundaries_flag, 1);
241 infer(max_bytes_per_pic_denom, 2);
242 infer(max_bits_per_mb_denom, 1);
243 infer(log2_max_mv_length_horizontal, 15);
244 infer(log2_max_mv_length_vertical, 15);
246 if ((
sps->profile_idc == 44 ||
sps->profile_idc == 86 ||
247 sps->profile_idc == 100 ||
sps->profile_idc == 110 ||
248 sps->profile_idc == 122 ||
sps->profile_idc == 244) &&
249 sps->constraint_set3_flag) {
250 infer(max_num_reorder_frames, 0);
251 infer(max_dec_frame_buffering, 0);
265 HEADER(
"Sequence Parameter Set");
272 flag(constraint_set0_flag);
273 flag(constraint_set1_flag);
274 flag(constraint_set2_flag);
275 flag(constraint_set3_flag);
276 flag(constraint_set4_flag);
277 flag(constraint_set5_flag);
279 u(2, reserved_zero_2bits, 0, 0);
283 ue(seq_parameter_set_id, 0, 31);
285 if (current->profile_idc == 100 || current->profile_idc == 110 ||
286 current->profile_idc == 122 || current->profile_idc == 244 ||
287 current->profile_idc == 44 || current->profile_idc == 83 ||
288 current->profile_idc == 86 || current->profile_idc == 118 ||
289 current->profile_idc == 128 || current->profile_idc == 138) {
290 ue(chroma_format_idc, 0, 3);
292 if (current->chroma_format_idc == 3)
293 flag(separate_colour_plane_flag);
295 infer(separate_colour_plane_flag, 0);
297 ue(bit_depth_luma_minus8, 0, 6);
298 ue(bit_depth_chroma_minus8, 0, 6);
300 flag(qpprime_y_zero_transform_bypass_flag);
302 flag(seq_scaling_matrix_present_flag);
303 if (current->seq_scaling_matrix_present_flag) {
304 for (i = 0; i < ((current->chroma_format_idc != 3) ? 8 : 12); i++) {
305 flags(seq_scaling_list_present_flag[i], 1, i);
306 if (current->seq_scaling_list_present_flag[i]) {
309 ¤t->scaling_list_4x4[i],
313 ¤t->scaling_list_8x8[i - 6],
319 infer(chroma_format_idc, current->profile_idc == 183 ? 0 : 1);
321 infer(separate_colour_plane_flag, 0);
322 infer(bit_depth_luma_minus8, 0);
323 infer(bit_depth_chroma_minus8, 0);
326 ue(log2_max_frame_num_minus4, 0, 12);
327 ue(pic_order_cnt_type, 0, 2);
329 if (current->pic_order_cnt_type == 0) {
330 ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
331 }
else if (current->pic_order_cnt_type == 1) {
332 flag(delta_pic_order_always_zero_flag);
333 se(offset_for_non_ref_pic, INT32_MIN + 1, INT32_MAX);
334 se(offset_for_top_to_bottom_field, INT32_MIN + 1, INT32_MAX);
335 ue(num_ref_frames_in_pic_order_cnt_cycle, 0, 255);
337 for (i = 0; i < current->num_ref_frames_in_pic_order_cnt_cycle; i++)
338 ses(offset_for_ref_frame[i], INT32_MIN + 1, INT32_MAX, 1, i);
342 flag(gaps_in_frame_num_allowed_flag);
347 flag(frame_mbs_only_flag);
348 if (!current->frame_mbs_only_flag)
349 flag(mb_adaptive_frame_field_flag);
351 flag(direct_8x8_inference_flag);
353 flag(frame_cropping_flag);
354 if (current->frame_cropping_flag) {
361 flag(vui_parameters_present_flag);
362 if (current->vui_parameters_present_flag)
377 HEADER(
"Sequence Parameter Set Extension");
382 ue(seq_parameter_set_id, 0, 31);
384 ue(aux_format_idc, 0, 3);
386 if (current->aux_format_idc != 0) {
389 ue(bit_depth_aux_minus8, 0, 4);
390 flag(alpha_incr_flag);
392 bits = current->bit_depth_aux_minus8 + 9;
393 ub(bits, alpha_opaque_value);
394 ub(bits, alpha_transparent_value);
397 flag(additional_extension_flag);
411 HEADER(
"Picture Parameter Set");
416 ue(pic_parameter_set_id, 0, 255);
417 ue(seq_parameter_set_id, 0, 31);
419 sps = h264->
sps[current->seq_parameter_set_id];
422 current->seq_parameter_set_id);
426 flag(entropy_coding_mode_flag);
427 flag(bottom_field_pic_order_in_frame_present_flag);
429 ue(num_slice_groups_minus1, 0, 7);
430 if (current->num_slice_groups_minus1 > 0) {
431 unsigned int pic_size;
437 ue(slice_group_map_type, 0, 6);
439 if (current->slice_group_map_type == 0) {
440 for (iGroup = 0; iGroup <= current->num_slice_groups_minus1; iGroup++)
441 ues(run_length_minus1[iGroup], 0, pic_size - 1, 1, iGroup);
443 }
else if (current->slice_group_map_type == 2) {
444 for (iGroup = 0; iGroup < current->num_slice_groups_minus1; iGroup++) {
445 ues(top_left[iGroup], 0, pic_size - 1, 1, iGroup);
446 ues(bottom_right[iGroup],
447 current->top_left[iGroup], pic_size - 1, 1, iGroup);
449 }
else if (current->slice_group_map_type == 3 ||
450 current->slice_group_map_type == 4 ||
451 current->slice_group_map_type == 5) {
452 flag(slice_group_change_direction_flag);
453 ue(slice_group_change_rate_minus1, 0, pic_size - 1);
454 }
else if (current->slice_group_map_type == 6) {
455 ue(pic_size_in_map_units_minus1, pic_size - 1, pic_size - 1);
458 current->pic_size_in_map_units_minus1 + 1);
459 for (i = 0; i <= current->pic_size_in_map_units_minus1; i++)
460 us(
av_log2(2 * current->num_slice_groups_minus1 + 1),
461 slice_group_id[i], 0, current->num_slice_groups_minus1, 1, i);
465 ue(num_ref_idx_l0_default_active_minus1, 0, 31);
466 ue(num_ref_idx_l1_default_active_minus1, 0, 31);
468 flag(weighted_pred_flag);
469 u(2, weighted_bipred_idc, 0, 2);
472 se(pic_init_qs_minus26, -26, +25);
473 se(chroma_qp_index_offset, -12, +12);
475 flag(deblocking_filter_control_present_flag);
476 flag(constrained_intra_pred_flag);
477 flag(redundant_pic_cnt_present_flag);
481 flag(transform_8x8_mode_flag);
483 flag(pic_scaling_matrix_present_flag);
484 if (current->pic_scaling_matrix_present_flag) {
486 current->transform_8x8_mode_flag); i++) {
487 flags(pic_scaling_list_present_flag[i], 1, i);
488 if (current->pic_scaling_list_present_flag[i]) {
491 ¤t->scaling_list_4x4[i],
495 ¤t->scaling_list_8x8[i - 6],
501 se(second_chroma_qp_index_offset, -12, +12);
503 infer(transform_8x8_mode_flag, 0);
504 infer(pic_scaling_matrix_present_flag, 0);
505 infer(second_chroma_qp_index_offset, current->chroma_qp_index_offset);
520 HEADER(
"Buffering Period");
522 ue(seq_parameter_set_id, 0, 31);
524 sps = h264->
sps[current->seq_parameter_set_id];
527 current->seq_parameter_set_id);
535 xu(length, initial_cpb_removal_delay[SchedSelIdx],
536 current->nal.initial_cpb_removal_delay[i],
538 xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
539 current->nal.initial_cpb_removal_delay_offset[i],
547 xu(length, initial_cpb_removal_delay[SchedSelIdx],
548 current->vcl.initial_cpb_removal_delay[i],
550 xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
551 current->vcl.initial_cpb_removal_delay_offset[i],
567 flag(nuit_field_based_flag);
568 u(5, counting_type, 0, 6);
569 flag(full_timestamp_flag);
570 flag(discontinuity_flag);
571 flag(cnt_dropped_flag);
573 if (current->full_timestamp_flag) {
574 u(6, seconds_value, 0, 59);
575 u(6, minutes_value, 0, 59);
576 u(5, hours_value, 0, 23);
579 if (current->seconds_flag) {
580 u(6, seconds_value, 0, 59);
582 if (current->minutes_flag) {
583 u(6, minutes_value, 0, 59);
585 if (current->hours_flag)
586 u(5, hours_value, 0, 23);
591 if (
sps->vui.nal_hrd_parameters_present_flag)
592 time_offset_length =
sps->vui.nal_hrd_parameters.time_offset_length;
593 else if (
sps->vui.vcl_hrd_parameters_present_flag)
594 time_offset_length =
sps->vui.vcl_hrd_parameters.time_offset_length;
596 time_offset_length = 24;
598 if (time_offset_length > 0)
599 ib(time_offset_length, time_offset);
601 infer(time_offset, 0);
634 "No active SPS for pic_timing.\n");
648 "No HRD parameters for pic_timing.\n");
657 static const uint8_t num_clock_ts[9] = {
658 1, 1, 1, 2, 2, 3, 3, 2, 3
662 u(4, pic_struct, 0, 8);
663 if (current->pic_struct > 8)
666 for (i = 0; i < num_clock_ts[current->pic_struct]; i++) {
667 flags(clock_timestamp_flag[i], 1, i);
668 if (current->clock_timestamp_flag[i])
670 ¤t->timestamp[i], sps));
682 HEADER(
"Pan-Scan Rectangle");
684 ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
685 flag(pan_scan_rect_cancel_flag);
687 if (!current->pan_scan_rect_cancel_flag) {
688 ue(pan_scan_cnt_minus1, 0, 2);
690 for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
691 ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
692 ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
693 ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
694 ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
697 ue(pan_scan_rect_repetition_period, 0, 16384);
705 uint32_t *payload_size)
709 HEADER(
"User Data Registered ITU-T T.35");
711 u(8, itu_t_t35_country_code, 0x00, 0xff);
712 if (current->itu_t_t35_country_code != 0xff)
715 u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
720 if (*payload_size < i) {
722 "Invalid SEI user data registered payload.\n");
725 current->data_length = *payload_size -
i;
727 *payload_size = i + current->data_length;
730 allocate(current->data, current->data_length);
731 for (j = 0; j < current->data_length; j++)
732 xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
739 uint32_t *payload_size)
743 HEADER(
"User Data Unregistered");
746 if (*payload_size < 16) {
748 "Invalid SEI user data unregistered payload.\n");
751 current->data_length = *payload_size - 16;
753 *payload_size = 16 + current->data_length;
756 for (i = 0; i < 16; i++)
757 us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
759 allocate(current->data, current->data_length);
761 for (i = 0; i < current->data_length; i++)
762 xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
774 ue(recovery_frame_cnt, 0, 65535);
775 flag(exact_match_flag);
776 flag(broken_link_flag);
777 u(2, changing_slice_group_idc, 0, 2);
787 HEADER(
"Display Orientation");
789 flag(display_orientation_cancel_flag);
790 if (!current->display_orientation_cancel_flag) {
793 ub(16, anticlockwise_rotation);
794 ue(display_orientation_repetition_period, 0, 16384);
795 flag(display_orientation_extension_flag);
806 HEADER(
"Mastering Display Colour Volume");
808 for (c = 0; c < 3; c++) {
809 us(16, display_primaries_x[c], 0, 50000, 1, c);
810 us(16, display_primaries_y[c], 0, 50000, 1, c);
813 u(16, white_point_x, 0, 50000);
814 u(16, white_point_y, 0, 50000);
817 u(32, min_display_mastering_luminance, 0, current->max_display_mastering_luminance - 1);
828 HEADER(
"Alternative Transfer Characteristics");
830 ub(8, preferred_transfer_characteristics);
839 int start_position, end_position;
847 switch (current->payload_type) {
850 (
ctx, rw, ¤t->payload.buffering_period));
854 (
ctx, rw, ¤t->payload.pic_timing));
858 (
ctx, rw, ¤t->payload.pan_scan_rect));
862 for (i = 0; i < current->payload_size; i++)
863 fixed(8, ff_byte, 0xff);
868 (
ctx, rw, ¤t->payload.user_data_registered, ¤t->payload_size));
872 (
ctx, rw, ¤t->payload.user_data_unregistered, ¤t->payload_size));
876 (
ctx, rw, ¤t->payload.recovery_point));
880 (
ctx, rw, ¤t->payload.display_orientation));
884 (
ctx, rw, ¤t->payload.mastering_display_colour_volume));
888 (
ctx, rw, ¤t->payload.alternative_transfer_characteristics));
893 current->payload.other.data_length = current->payload_size;
895 allocate(current->payload.other.data, current->payload.other.data_length);
896 for (i = 0; i < current->payload.other.data_length; i++)
897 xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, 1, i);
902 fixed(1, bit_equal_to_one, 1);
904 fixed(1, bit_equal_to_zero, 0);
909 if (end_position < start_position + 8 * current->payload_size) {
911 "header %"PRIu32
" bits, actually %d bits.\n",
912 8 * current->payload_size,
913 end_position - start_position);
918 current->payload_size = (end_position - start_position) / 8;
929 HEADER(
"Supplemental Enhancement Information");
936 uint32_t payload_type = 0;
937 uint32_t payload_size = 0;
941 fixed(8, ff_byte, 0xff);
944 xu(8, last_payload_type_byte, tmp, 0, 254, 0);
948 fixed(8, ff_byte, 0xff);
951 xu(8, last_payload_size_byte, tmp, 0, 254, 0);
954 current->payload[k].payload_type = payload_type;
955 current->payload[k].payload_size = payload_size;
957 current->payload_count++;
963 if (k >= H264_MAX_SEI_PAYLOADS) {
965 "SEI message: found %d.\n", k);
969 for (k = 0; k < current->payload_count; k++) {
978 need_size = !current->payload[k].payload_size;
979 for (i = 0; i < 1 + need_size; i++) {
982 tmp = current->payload[k].payload_type;
984 fixed(8, ff_byte, 0xff);
987 xu(8, last_payload_type_byte, tmp, 0, 254, 0);
989 tmp = current->payload[k].payload_size;
991 fixed(8, ff_byte, 0xff);
994 xu(8, last_payload_size_byte, tmp, 0, 254, 0);
1011 HEADER(
"Access Unit Delimiter");
1016 ub(3, primary_pic_type);
1030 if (current->slice_type % 5 != 2 &&
1031 current->slice_type % 5 != 4) {
1032 flag(ref_pic_list_modification_flag_l0);
1033 if (current->ref_pic_list_modification_flag_l0) {
1035 xue(modification_of_pic_nums_idc,
1036 current->rplm_l0[i].modification_of_pic_nums_idc, 0, 3, 0);
1038 mopn = current->rplm_l0[
i].modification_of_pic_nums_idc;
1042 if (mopn == 0 || mopn == 1)
1043 xue(abs_diff_pic_num_minus1,
1044 current->rplm_l0[i].abs_diff_pic_num_minus1,
1045 0, (1 + current->field_pic_flag) *
1048 xue(long_term_pic_num,
1049 current->rplm_l0[i].long_term_pic_num,
1055 if (current->slice_type % 5 == 1) {
1056 flag(ref_pic_list_modification_flag_l1);
1057 if (current->ref_pic_list_modification_flag_l1) {
1059 xue(modification_of_pic_nums_idc,
1060 current->rplm_l1[i].modification_of_pic_nums_idc, 0, 3, 0);
1062 mopn = current->rplm_l1[
i].modification_of_pic_nums_idc;
1066 if (mopn == 0 || mopn == 1)
1067 xue(abs_diff_pic_num_minus1,
1068 current->rplm_l1[i].abs_diff_pic_num_minus1,
1069 0, (1 + current->field_pic_flag) *
1072 xue(long_term_pic_num,
1073 current->rplm_l1[i].long_term_pic_num,
1090 ue(luma_log2_weight_denom, 0, 7);
1094 ue(chroma_log2_weight_denom, 0, 7);
1096 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1097 flags(luma_weight_l0_flag[i], 1, i);
1098 if (current->luma_weight_l0_flag[i]) {
1099 ses(luma_weight_l0[i], -128, +127, 1, i);
1100 ses(luma_offset_l0[i], -128, +127, 1, i);
1103 flags(chroma_weight_l0_flag[i], 1, i);
1104 if (current->chroma_weight_l0_flag[i]) {
1105 for (j = 0; j < 2; j++) {
1106 ses(chroma_weight_l0[i][j], -128, +127, 2, i, j);
1107 ses(chroma_offset_l0[i][j], -128, +127, 2, i, j);
1113 if (current->slice_type % 5 == 1) {
1114 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1115 flags(luma_weight_l1_flag[i], 1, i);
1116 if (current->luma_weight_l1_flag[i]) {
1117 ses(luma_weight_l1[i], -128, +127, 1, i);
1118 ses(luma_offset_l1[i], -128, +127, 1, i);
1121 flags(chroma_weight_l1_flag[i], 1, i);
1122 if (current->chroma_weight_l1_flag[i]) {
1123 for (j = 0; j < 2; j++) {
1124 ses(chroma_weight_l1[i][j], -128, +127, 2, i, j);
1125 ses(chroma_offset_l1[i][j], -128, +127, 2, i, j);
1144 flag(no_output_of_prior_pics_flag);
1145 flag(long_term_reference_flag);
1147 flag(adaptive_ref_pic_marking_mode_flag);
1148 if (current->adaptive_ref_pic_marking_mode_flag) {
1150 xue(memory_management_control_operation,
1151 current->mmco[i].memory_management_control_operation,
1154 mmco = current->mmco[
i].memory_management_control_operation;
1158 if (mmco == 1 || mmco == 3)
1159 xue(difference_of_pic_nums_minus1,
1160 current->mmco[i].difference_of_pic_nums_minus1,
1163 xue(long_term_pic_num,
1164 current->mmco[i].long_term_pic_num,
1166 if (mmco == 3 || mmco == 6)
1167 xue(long_term_frame_idx,
1168 current->mmco[i].long_term_frame_idx,
1171 xue(max_long_term_frame_idx_plus1,
1172 current->mmco[i].max_long_term_frame_idx_plus1,
1175 if (i == H264_MAX_MMCO_COUNT) {
1177 "memory management control operations.\n");
1194 int slice_type_i, slice_type_p, slice_type_b;
1195 int slice_type_si, slice_type_sp;
1207 "is not decodable without the main picture " 1208 "in the same access unit.\n");
1217 ue(slice_type, 0, 9);
1219 slice_type_i = current->slice_type % 5 == 2;
1220 slice_type_p = current->slice_type % 5 == 0;
1221 slice_type_b = current->slice_type % 5 == 1;
1222 slice_type_si = current->slice_type % 5 == 4;
1223 slice_type_sp = current->slice_type % 5 == 3;
1225 if (idr_pic_flag && !(slice_type_i || slice_type_si)) {
1227 "for IDR picture.\n", current->slice_type);
1231 ue(pic_parameter_set_id, 0, 255);
1233 pps = h264->
pps[current->pic_parameter_set_id];
1236 current->pic_parameter_set_id);
1250 u(2, colour_plane_id, 0, 2);
1255 flag(field_pic_flag);
1256 if (current->field_pic_flag)
1257 flag(bottom_field_flag);
1259 infer(bottom_field_flag, 0);
1261 infer(field_pic_flag, 0);
1262 infer(bottom_field_flag, 0);
1266 ue(idr_pic_id, 0, 65535);
1271 !current->field_pic_flag)
1272 se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX);
1276 se(delta_pic_order_cnt[0], INT32_MIN + 1, INT32_MAX);
1278 !current->field_pic_flag)
1279 se(delta_pic_order_cnt[1], INT32_MIN + 1, INT32_MAX);
1281 infer(delta_pic_order_cnt[1], 0);
1283 infer(delta_pic_order_cnt[0], 0);
1284 infer(delta_pic_order_cnt[1], 0);
1289 ue(redundant_pic_cnt, 0, 127);
1291 infer(redundant_pic_cnt, 0);
1294 && !current->redundant_pic_cnt)
1296 current->nal_unit_header.nal_unit_type;
1299 flag(direct_spatial_mv_pred_flag);
1301 if (slice_type_p || slice_type_sp || slice_type_b) {
1302 flag(num_ref_idx_active_override_flag);
1303 if (current->num_ref_idx_active_override_flag) {
1304 ue(num_ref_idx_l0_active_minus1, 0, 31);
1306 ue(num_ref_idx_l1_active_minus1, 0, 31);
1308 infer(num_ref_idx_l0_active_minus1,
1310 infer(num_ref_idx_l1_active_minus1,
1315 if (current->nal_unit_header.nal_unit_type == 20 ||
1316 current->nal_unit_header.nal_unit_type == 21) {
1328 if (current->nal_unit_header.nal_ref_idc != 0) {
1333 !slice_type_i && !slice_type_si) {
1334 ue(cabac_init_idc, 0, 2);
1339 if (slice_type_sp || slice_type_si) {
1341 flag(sp_for_switch_flag);
1342 se(slice_qs_delta, -51, +51);
1346 ue(disable_deblocking_filter_idc, 0, 2);
1347 if (current->disable_deblocking_filter_idc != 1) {
1348 se(slice_alpha_c0_offset_div2, -6, +6);
1349 se(slice_beta_offset_div2, -6, +6);
1351 infer(slice_alpha_c0_offset_div2, 0);
1352 infer(slice_beta_offset_div2, 0);
1355 infer(disable_deblocking_filter_idc, 0);
1356 infer(slice_alpha_c0_offset_div2, 0);
1357 infer(slice_beta_offset_div2, 0);
1363 unsigned int pic_size,
max,
bits;
1371 u(bits, slice_group_change_cycle, 0, max);
1376 fixed(1, cabac_alignment_one_bit, 1);
1394 fixed(8, ff_byte, 0xff);
1395 ++current->filler_size;
1400 for (i = 0; i < current->filler_size; i++)
1401 fixed(8, ff_byte, 0xff);
1413 HEADER(
"End of Sequence");
#define allocate(name, size)
static int FUNC() sei_mastering_display_colour_volume(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIMasteringDisplayColourVolume *current)
uint8_t deblocking_filter_control_present_flag
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static int FUNC() dec_ref_pic_marking(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current, int idr_pic_flag)
#define se(name, range_min, range_max)
static int FUNC() sei_pic_timestamp(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPicTimestamp *current, const H264RawSPS *sps)
uint8_t dpb_output_delay_length_minus1
#define fixed(width, name, value)
uint8_t initial_cpb_removal_delay_length_minus1
H264RawPPS * pps[H264_MAX_PPS_COUNT]
uint8_t log2_max_frame_num_minus4
#define us(width, name, range_min, range_max, subs,...)
static int FUNC() sps_extension(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPSExtension *current)
#define xue(name, var, range_min, range_max, subs,...)
static int FUNC() sei_display_orientation(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIDisplayOrientation *current)
static int FUNC() scaling_list(CodedBitstreamContext *ctx, RWContext *rw, H264RawScalingList *current, int size_of_scaling_list)
uint8_t weighted_pred_flag
H264RawHRD nal_hrd_parameters
static int FUNC() sei_payload(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPayload *current)
uint16_t pic_width_in_mbs_minus1
#define byte_alignment(rw)
#define MAX_UINT_BITS(length)
static int FUNC() vui_parameters_default(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
#define u(width, name, range_min, range_max)
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
#define ses(name, range_min, range_max, subs,...)
static int get_bits_count(const GetBitContext *s)
H264RawSPS * sps[H264_MAX_SPS_COUNT]
static int FUNC() slice_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
uint8_t nal_hrd_parameters_present_flag
uint8_t bit_depth_luma_minus8
uint8_t slice_group_map_type
static int FUNC() sei_alternative_transfer_characteristics(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIAlternativeTransferCharacteristics *current)
#define i(width, name, range_min, range_max)
buffering period (H.264, D.1.1)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t max_num_ref_frames
uint8_t weighted_bipred_idc
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPanScanRect *current)
#define ue(name, range_min, range_max)
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t num_ref_idx_l1_default_active_minus1
uint8_t frame_mbs_only_flag
static int put_bits_count(PutBitContext *s)
uint8_t seq_parameter_set_id
static int FUNC() sei_recovery_point(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIRecoveryPoint *current)
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
static int FUNC() ref_pic_list_modification(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
uint8_t separate_colour_plane_flag
uint8_t last_slice_nal_unit_type
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
#define more_rbsp_data(var)
uint8_t chroma_format_idc
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawHRD *current)
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static int FUNC() vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
static int FUNC() nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current, uint32_t valid_type_mask)
uint8_t num_slice_groups_minus1
uint8_t bottom_field_pic_order_in_frame_present_flag
uint8_t entropy_coding_mode_flag
#define xu(width, name, var, range_min, range_max, subs,...)
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
uint8_t pic_order_cnt_type
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
Context structure for coded bitstream operations.
uint8_t num_ref_idx_l0_default_active_minus1
static int FUNC() end_of_sequence(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current)
CHECK(-1) CHECK(-2) }} }} CHECK(1) CHECK(2) }} }} } if(diff0+diff1 > 0) temp -
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
recovery point (frame # to decoder sync)
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
registered user data as specified by Rec. ITU-T T.35
#define flags(name, subs,...)
static int FUNC() filler(CodedBitstreamContext *ctx, RWContext *rw, H264RawFiller *current)
static int FUNC() sei_user_data_registered(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIUserDataRegistered *current, uint32_t *payload_size)
static int FUNC() end_of_stream(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current)
uint8_t redundant_pic_cnt_present_flag
uint8_t pic_struct_present_flag
uint8_t cpb_removal_delay_length_minus1
static int FUNC() sei_user_data_unregistered(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIUserDataUnregistered *current, uint32_t *payload_size)
static int FUNC() sei(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEI *current)
static int FUNC() sei_buffering_period(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIBufferingPeriod *current)
static int FUNC() sei_pic_timing(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPicTiming *current)
uint8_t log2_max_pic_order_cnt_lsb_minus4
void * priv_data
Format private data.
uint8_t delta_pic_order_always_zero_flag
mastering display properties
const H264RawPPS * active_pps
uint16_t pic_height_in_map_units_minus1
#define infer(name, value)
#define ues(name, range_min, range_max, subs,...)
uint8_t vcl_hrd_parameters_present_flag
H264RawHRD vcl_hrd_parameters
const H264RawSPS * active_sps
uint16_t slice_group_change_rate_minus1