Lines Matching refs:rbsp
25 #include "nal-rbsp.h"
37 static void nal_h264_write_start_code_prefix(struct rbsp *rbsp)
39 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8);
42 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) {
43 rbsp->error = -EINVAL;
52 rbsp->pos += i * 8;
55 static void nal_h264_read_start_code_prefix(struct rbsp *rbsp)
57 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8);
60 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) {
61 rbsp->error = -EINVAL;
66 rbsp->error = -EINVAL;
70 rbsp->pos += i * 8;
73 static void nal_h264_write_filler_data(struct rbsp *rbsp)
75 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8);
79 i = rbsp->size - DIV_ROUND_UP(rbsp->pos, 8) - 1;
81 rbsp->pos += i * 8;
84 static void nal_h264_read_filler_data(struct rbsp *rbsp)
86 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8);
89 if (DIV_ROUND_UP(rbsp->pos, 8) > rbsp->size) {
90 rbsp->error = -EINVAL;
95 rbsp->pos += 8;
99 static void nal_h264_rbsp_hrd_parameters(struct rbsp *rbsp,
105 rbsp->error = -EINVAL;
109 rbsp_uev(rbsp, &hrd->cpb_cnt_minus1);
110 rbsp_bits(rbsp, 4, &hrd->bit_rate_scale);
111 rbsp_bits(rbsp, 4, &hrd->cpb_size_scale);
114 rbsp_uev(rbsp, &hrd->bit_rate_value_minus1[i]);
115 rbsp_uev(rbsp, &hrd->cpb_size_value_minus1[i]);
116 rbsp_bit(rbsp, &hrd->cbr_flag[i]);
119 rbsp_bits(rbsp, 5, &hrd->initial_cpb_removal_delay_length_minus1);
120 rbsp_bits(rbsp, 5, &hrd->cpb_removal_delay_length_minus1);
121 rbsp_bits(rbsp, 5, &hrd->dpb_output_delay_length_minus1);
122 rbsp_bits(rbsp, 5, &hrd->time_offset_length);
125 static void nal_h264_rbsp_vui_parameters(struct rbsp *rbsp,
129 rbsp->error = -EINVAL;
133 rbsp_bit(rbsp, &vui->aspect_ratio_info_present_flag);
135 rbsp_bits(rbsp, 8, &vui->aspect_ratio_idc);
137 rbsp_bits(rbsp, 16, &vui->sar_width);
138 rbsp_bits(rbsp, 16, &vui->sar_height);
142 rbsp_bit(rbsp, &vui->overscan_info_present_flag);
144 rbsp_bit(rbsp, &vui->overscan_appropriate_flag);
146 rbsp_bit(rbsp, &vui->video_signal_type_present_flag);
148 rbsp_bits(rbsp, 3, &vui->video_format);
149 rbsp_bit(rbsp, &vui->video_full_range_flag);
151 rbsp_bit(rbsp, &vui->colour_description_present_flag);
153 rbsp_bits(rbsp, 8, &vui->colour_primaries);
154 rbsp_bits(rbsp, 8, &vui->transfer_characteristics);
155 rbsp_bits(rbsp, 8, &vui->matrix_coefficients);
159 rbsp_bit(rbsp, &vui->chroma_loc_info_present_flag);
161 rbsp_uev(rbsp, &vui->chroma_sample_loc_type_top_field);
162 rbsp_uev(rbsp, &vui->chroma_sample_loc_type_bottom_field);
165 rbsp_bit(rbsp, &vui->timing_info_present_flag);
167 rbsp_bits(rbsp, 32, &vui->num_units_in_tick);
168 rbsp_bits(rbsp, 32, &vui->time_scale);
169 rbsp_bit(rbsp, &vui->fixed_frame_rate_flag);
172 rbsp_bit(rbsp, &vui->nal_hrd_parameters_present_flag);
174 nal_h264_rbsp_hrd_parameters(rbsp, &vui->nal_hrd_parameters);
176 rbsp_bit(rbsp, &vui->vcl_hrd_parameters_present_flag);
178 nal_h264_rbsp_hrd_parameters(rbsp, &vui->vcl_hrd_parameters);
182 rbsp_bit(rbsp, &vui->low_delay_hrd_flag);
184 rbsp_bit(rbsp, &vui->pic_struct_present_flag);
186 rbsp_bit(rbsp, &vui->bitstream_restriction_flag);
188 rbsp_bit(rbsp, &vui->motion_vectors_over_pic_boundaries_flag);
189 rbsp_uev(rbsp, &vui->max_bytes_per_pic_denom);
190 rbsp_uev(rbsp, &vui->max_bits_per_mb_denom);
191 rbsp_uev(rbsp, &vui->log2_max_mv_length_horizontal);
192 rbsp_uev(rbsp, &vui->log21_max_mv_length_vertical);
193 rbsp_uev(rbsp, &vui->max_num_reorder_frames);
194 rbsp_uev(rbsp, &vui->max_dec_frame_buffering);
198 static void nal_h264_rbsp_sps(struct rbsp *rbsp, struct nal_h264_sps *sps)
203 rbsp->error = -EINVAL;
207 rbsp_bits(rbsp, 8, &sps->profile_idc);
208 rbsp_bit(rbsp, &sps->constraint_set0_flag);
209 rbsp_bit(rbsp, &sps->constraint_set1_flag);
210 rbsp_bit(rbsp, &sps->constraint_set2_flag);
211 rbsp_bit(rbsp, &sps->constraint_set3_flag);
212 rbsp_bit(rbsp, &sps->constraint_set4_flag);
213 rbsp_bit(rbsp, &sps->constraint_set5_flag);
214 rbsp_bits(rbsp, 2, &sps->reserved_zero_2bits);
215 rbsp_bits(rbsp, 8, &sps->level_idc);
217 rbsp_uev(rbsp, &sps->seq_parameter_set_id);
226 rbsp_uev(rbsp, &sps->chroma_format_idc);
229 rbsp_bit(rbsp, &sps->separate_colour_plane_flag);
230 rbsp_uev(rbsp, &sps->bit_depth_luma_minus8);
231 rbsp_uev(rbsp, &sps->bit_depth_chroma_minus8);
232 rbsp_bit(rbsp, &sps->qpprime_y_zero_transform_bypass_flag);
233 rbsp_bit(rbsp, &sps->seq_scaling_matrix_present_flag);
235 rbsp->error = -EINVAL;
238 rbsp_uev(rbsp, &sps->log2_max_frame_num_minus4);
240 rbsp_uev(rbsp, &sps->pic_order_cnt_type);
243 rbsp_uev(rbsp, &sps->log2_max_pic_order_cnt_lsb_minus4);
246 rbsp_bit(rbsp, &sps->delta_pic_order_always_zero_flag);
247 rbsp_sev(rbsp, &sps->offset_for_non_ref_pic);
248 rbsp_sev(rbsp, &sps->offset_for_top_to_bottom_field);
250 rbsp_uev(rbsp, &sps->num_ref_frames_in_pic_order_cnt_cycle);
252 rbsp_sev(rbsp, &sps->offset_for_ref_frame[i]);
255 rbsp->error = -EINVAL;
259 rbsp_uev(rbsp, &sps->max_num_ref_frames);
260 rbsp_bit(rbsp, &sps->gaps_in_frame_num_value_allowed_flag);
261 rbsp_uev(rbsp, &sps->pic_width_in_mbs_minus1);
262 rbsp_uev(rbsp, &sps->pic_height_in_map_units_minus1);
264 rbsp_bit(rbsp, &sps->frame_mbs_only_flag);
266 rbsp_bit(rbsp, &sps->mb_adaptive_frame_field_flag);
268 rbsp_bit(rbsp, &sps->direct_8x8_inference_flag);
270 rbsp_bit(rbsp, &sps->frame_cropping_flag);
272 rbsp_uev(rbsp, &sps->crop_left);
273 rbsp_uev(rbsp, &sps->crop_right);
274 rbsp_uev(rbsp, &sps->crop_top);
275 rbsp_uev(rbsp, &sps->crop_bottom);
278 rbsp_bit(rbsp, &sps->vui_parameters_present_flag);
280 nal_h264_rbsp_vui_parameters(rbsp, &sps->vui);
283 static void nal_h264_rbsp_pps(struct rbsp *rbsp, struct nal_h264_pps *pps)
287 rbsp_uev(rbsp, &pps->pic_parameter_set_id);
288 rbsp_uev(rbsp, &pps->seq_parameter_set_id);
289 rbsp_bit(rbsp, &pps->entropy_coding_mode_flag);
290 rbsp_bit(rbsp, &pps->bottom_field_pic_order_in_frame_present_flag);
291 rbsp_uev(rbsp, &pps->num_slice_groups_minus1);
293 rbsp_uev(rbsp, &pps->slice_group_map_type);
297 rbsp_uev(rbsp, &pps->run_length_minus1[i]);
301 rbsp_uev(rbsp, &pps->top_left[i]);
302 rbsp_uev(rbsp, &pps->bottom_right[i]);
306 rbsp_bit(rbsp, &pps->slice_group_change_direction_flag);
307 rbsp_uev(rbsp, &pps->slice_group_change_rate_minus1);
310 rbsp_uev(rbsp, &pps->pic_size_in_map_units_minus1);
312 rbsp_bits(rbsp,
320 rbsp_uev(rbsp, &pps->num_ref_idx_l0_default_active_minus1);
321 rbsp_uev(rbsp, &pps->num_ref_idx_l1_default_active_minus1);
322 rbsp_bit(rbsp, &pps->weighted_pred_flag);
323 rbsp_bits(rbsp, 2, &pps->weighted_bipred_idc);
324 rbsp_sev(rbsp, &pps->pic_init_qp_minus26);
325 rbsp_sev(rbsp, &pps->pic_init_qs_minus26);
326 rbsp_sev(rbsp, &pps->chroma_qp_index_offset);
327 rbsp_bit(rbsp, &pps->deblocking_filter_control_present_flag);
328 rbsp_bit(rbsp, &pps->constrained_intra_pred_flag);
329 rbsp_bit(rbsp, &pps->redundant_pic_cnt_present_flag);
331 rbsp_bit(rbsp, &pps->transform_8x8_mode_flag);
332 rbsp_bit(rbsp, &pps->pic_scaling_matrix_present_flag);
334 rbsp->error = -EINVAL;
335 rbsp_sev(rbsp, &pps->second_chroma_qp_index_offset);
356 struct rbsp rbsp;
364 rbsp_init(&rbsp, dest, n, &write);
366 nal_h264_write_start_code_prefix(&rbsp);
368 rbsp_bit(&rbsp, &forbidden_zero_bit);
369 rbsp_bits(&rbsp, 2, &nal_ref_idc);
370 rbsp_bits(&rbsp, 5, &nal_unit_type);
372 nal_h264_rbsp_sps(&rbsp, sps);
374 rbsp_trailing_bits(&rbsp);
376 if (rbsp.error)
377 return rbsp.error;
379 return DIV_ROUND_UP(rbsp.pos, 8);
397 struct rbsp rbsp;
405 rbsp_init(&rbsp, src, n, &read);
407 nal_h264_read_start_code_prefix(&rbsp);
409 rbsp_bit(&rbsp, &forbidden_zero_bit);
410 rbsp_bits(&rbsp, 2, &nal_ref_idc);
411 rbsp_bits(&rbsp, 5, &nal_unit_type);
413 if (rbsp.error ||
419 nal_h264_rbsp_sps(&rbsp, sps);
421 rbsp_trailing_bits(&rbsp);
423 if (rbsp.error)
424 return rbsp.error;
426 return DIV_ROUND_UP(rbsp.pos, 8);
447 struct rbsp rbsp;
455 rbsp_init(&rbsp, dest, n, &write);
457 nal_h264_write_start_code_prefix(&rbsp);
460 rbsp_bit(&rbsp, &forbidden_zero_bit);
461 rbsp_bits(&rbsp, 2, &nal_ref_idc);
462 rbsp_bits(&rbsp, 5, &nal_unit_type);
464 nal_h264_rbsp_pps(&rbsp, pps);
466 rbsp_trailing_bits(&rbsp);
468 if (rbsp.error)
469 return rbsp.error;
471 return DIV_ROUND_UP(rbsp.pos, 8);
489 struct rbsp rbsp;
494 rbsp_init(&rbsp, src, n, &read);
496 nal_h264_read_start_code_prefix(&rbsp);
499 rbsp.pos += 8;
501 nal_h264_rbsp_pps(&rbsp, pps);
503 rbsp_trailing_bits(&rbsp);
505 if (rbsp.error)
506 return rbsp.error;
508 return DIV_ROUND_UP(rbsp.pos, 8);
531 struct rbsp rbsp;
539 rbsp_init(&rbsp, dest, n, &write);
541 nal_h264_write_start_code_prefix(&rbsp);
543 rbsp_bit(&rbsp, &forbidden_zero_bit);
544 rbsp_bits(&rbsp, 2, &nal_ref_idc);
545 rbsp_bits(&rbsp, 5, &nal_unit_type);
547 nal_h264_write_filler_data(&rbsp);
549 rbsp_trailing_bits(&rbsp);
551 return DIV_ROUND_UP(rbsp.pos, 8);
574 struct rbsp rbsp;
582 rbsp_init(&rbsp, src, n, &read);
584 nal_h264_read_start_code_prefix(&rbsp);
586 rbsp_bit(&rbsp, &forbidden_zero_bit);
587 rbsp_bits(&rbsp, 2, &nal_ref_idc);
588 rbsp_bits(&rbsp, 5, &nal_unit_type);
590 if (rbsp.error)
591 return rbsp.error;
597 nal_h264_read_filler_data(&rbsp);
598 rbsp_trailing_bits(&rbsp);
600 if (rbsp.error)
601 return rbsp.error;
603 return DIV_ROUND_UP(rbsp.pos, 8);