Lines Matching +full:itu +full:- +full:t
1 // SPDX-License-Identifier: GPL-2.0
7 * The conversion is defined in "ITU-T Rec. H.264 (04/2017) Advanced video
18 #include <linux/v4l2-controls.h>
24 #include "nal-h264.h"
25 #include "nal-rbsp.h"
28 * See Rec. ITU-T H.264 (04/2017) Table 7-1 - NAL unit type codes, syntax
39 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_h264_write_start_code_prefix()
42 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) { in nal_h264_write_start_code_prefix()
43 rbsp->error = -EINVAL; in nal_h264_write_start_code_prefix()
52 rbsp->pos += i * 8; in nal_h264_write_start_code_prefix()
57 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_h264_read_start_code_prefix()
60 if (DIV_ROUND_UP(rbsp->pos, 8) + i > rbsp->size) { in nal_h264_read_start_code_prefix()
61 rbsp->error = -EINVAL; in nal_h264_read_start_code_prefix()
66 rbsp->error = -EINVAL; in nal_h264_read_start_code_prefix()
70 rbsp->pos += i * 8; in nal_h264_read_start_code_prefix()
75 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_h264_write_filler_data()
79 i = rbsp->size - DIV_ROUND_UP(rbsp->pos, 8) - 1; in nal_h264_write_filler_data()
81 rbsp->pos += i * 8; in nal_h264_write_filler_data()
86 u8 *p = rbsp->data + DIV_ROUND_UP(rbsp->pos, 8); in nal_h264_read_filler_data()
89 if (DIV_ROUND_UP(rbsp->pos, 8) > rbsp->size) { in nal_h264_read_filler_data()
90 rbsp->error = -EINVAL; in nal_h264_read_filler_data()
95 rbsp->pos += 8; in nal_h264_read_filler_data()
105 rbsp->error = -EINVAL; in nal_h264_rbsp_hrd_parameters()
109 rbsp_uev(rbsp, &hrd->cpb_cnt_minus1); in nal_h264_rbsp_hrd_parameters()
110 rbsp_bits(rbsp, 4, &hrd->bit_rate_scale); in nal_h264_rbsp_hrd_parameters()
111 rbsp_bits(rbsp, 4, &hrd->cpb_size_scale); in nal_h264_rbsp_hrd_parameters()
113 for (i = 0; i <= hrd->cpb_cnt_minus1; i++) { in nal_h264_rbsp_hrd_parameters()
114 rbsp_uev(rbsp, &hrd->bit_rate_value_minus1[i]); in nal_h264_rbsp_hrd_parameters()
115 rbsp_uev(rbsp, &hrd->cpb_size_value_minus1[i]); in nal_h264_rbsp_hrd_parameters()
116 rbsp_bit(rbsp, &hrd->cbr_flag[i]); in nal_h264_rbsp_hrd_parameters()
119 rbsp_bits(rbsp, 5, &hrd->initial_cpb_removal_delay_length_minus1); in nal_h264_rbsp_hrd_parameters()
120 rbsp_bits(rbsp, 5, &hrd->cpb_removal_delay_length_minus1); in nal_h264_rbsp_hrd_parameters()
121 rbsp_bits(rbsp, 5, &hrd->dpb_output_delay_length_minus1); in nal_h264_rbsp_hrd_parameters()
122 rbsp_bits(rbsp, 5, &hrd->time_offset_length); in nal_h264_rbsp_hrd_parameters()
129 rbsp->error = -EINVAL; in nal_h264_rbsp_vui_parameters()
133 rbsp_bit(rbsp, &vui->aspect_ratio_info_present_flag); in nal_h264_rbsp_vui_parameters()
134 if (vui->aspect_ratio_info_present_flag) { in nal_h264_rbsp_vui_parameters()
135 rbsp_bits(rbsp, 8, &vui->aspect_ratio_idc); in nal_h264_rbsp_vui_parameters()
136 if (vui->aspect_ratio_idc == 255) { in nal_h264_rbsp_vui_parameters()
137 rbsp_bits(rbsp, 16, &vui->sar_width); in nal_h264_rbsp_vui_parameters()
138 rbsp_bits(rbsp, 16, &vui->sar_height); in nal_h264_rbsp_vui_parameters()
142 rbsp_bit(rbsp, &vui->overscan_info_present_flag); in nal_h264_rbsp_vui_parameters()
143 if (vui->overscan_info_present_flag) in nal_h264_rbsp_vui_parameters()
144 rbsp_bit(rbsp, &vui->overscan_appropriate_flag); in nal_h264_rbsp_vui_parameters()
146 rbsp_bit(rbsp, &vui->video_signal_type_present_flag); in nal_h264_rbsp_vui_parameters()
147 if (vui->video_signal_type_present_flag) { in nal_h264_rbsp_vui_parameters()
148 rbsp_bits(rbsp, 3, &vui->video_format); in nal_h264_rbsp_vui_parameters()
149 rbsp_bit(rbsp, &vui->video_full_range_flag); in nal_h264_rbsp_vui_parameters()
151 rbsp_bit(rbsp, &vui->colour_description_present_flag); in nal_h264_rbsp_vui_parameters()
152 if (vui->colour_description_present_flag) { in nal_h264_rbsp_vui_parameters()
153 rbsp_bits(rbsp, 8, &vui->colour_primaries); in nal_h264_rbsp_vui_parameters()
154 rbsp_bits(rbsp, 8, &vui->transfer_characteristics); in nal_h264_rbsp_vui_parameters()
155 rbsp_bits(rbsp, 8, &vui->matrix_coefficients); in nal_h264_rbsp_vui_parameters()
159 rbsp_bit(rbsp, &vui->chroma_loc_info_present_flag); in nal_h264_rbsp_vui_parameters()
160 if (vui->chroma_loc_info_present_flag) { in nal_h264_rbsp_vui_parameters()
161 rbsp_uev(rbsp, &vui->chroma_sample_loc_type_top_field); in nal_h264_rbsp_vui_parameters()
162 rbsp_uev(rbsp, &vui->chroma_sample_loc_type_bottom_field); in nal_h264_rbsp_vui_parameters()
165 rbsp_bit(rbsp, &vui->timing_info_present_flag); in nal_h264_rbsp_vui_parameters()
166 if (vui->timing_info_present_flag) { in nal_h264_rbsp_vui_parameters()
167 rbsp_bits(rbsp, 32, &vui->num_units_in_tick); in nal_h264_rbsp_vui_parameters()
168 rbsp_bits(rbsp, 32, &vui->time_scale); in nal_h264_rbsp_vui_parameters()
169 rbsp_bit(rbsp, &vui->fixed_frame_rate_flag); in nal_h264_rbsp_vui_parameters()
172 rbsp_bit(rbsp, &vui->nal_hrd_parameters_present_flag); in nal_h264_rbsp_vui_parameters()
173 if (vui->nal_hrd_parameters_present_flag) in nal_h264_rbsp_vui_parameters()
174 nal_h264_rbsp_hrd_parameters(rbsp, &vui->nal_hrd_parameters); in nal_h264_rbsp_vui_parameters()
176 rbsp_bit(rbsp, &vui->vcl_hrd_parameters_present_flag); in nal_h264_rbsp_vui_parameters()
177 if (vui->vcl_hrd_parameters_present_flag) in nal_h264_rbsp_vui_parameters()
178 nal_h264_rbsp_hrd_parameters(rbsp, &vui->vcl_hrd_parameters); in nal_h264_rbsp_vui_parameters()
180 if (vui->nal_hrd_parameters_present_flag || in nal_h264_rbsp_vui_parameters()
181 vui->vcl_hrd_parameters_present_flag) in nal_h264_rbsp_vui_parameters()
182 rbsp_bit(rbsp, &vui->low_delay_hrd_flag); in nal_h264_rbsp_vui_parameters()
184 rbsp_bit(rbsp, &vui->pic_struct_present_flag); in nal_h264_rbsp_vui_parameters()
186 rbsp_bit(rbsp, &vui->bitstream_restriction_flag); in nal_h264_rbsp_vui_parameters()
187 if (vui->bitstream_restriction_flag) { in nal_h264_rbsp_vui_parameters()
188 rbsp_bit(rbsp, &vui->motion_vectors_over_pic_boundaries_flag); in nal_h264_rbsp_vui_parameters()
189 rbsp_uev(rbsp, &vui->max_bytes_per_pic_denom); in nal_h264_rbsp_vui_parameters()
190 rbsp_uev(rbsp, &vui->max_bits_per_mb_denom); in nal_h264_rbsp_vui_parameters()
191 rbsp_uev(rbsp, &vui->log2_max_mv_length_horizontal); in nal_h264_rbsp_vui_parameters()
192 rbsp_uev(rbsp, &vui->log21_max_mv_length_vertical); in nal_h264_rbsp_vui_parameters()
193 rbsp_uev(rbsp, &vui->max_num_reorder_frames); in nal_h264_rbsp_vui_parameters()
194 rbsp_uev(rbsp, &vui->max_dec_frame_buffering); in nal_h264_rbsp_vui_parameters()
203 rbsp->error = -EINVAL; in nal_h264_rbsp_sps()
207 rbsp_bits(rbsp, 8, &sps->profile_idc); in nal_h264_rbsp_sps()
208 rbsp_bit(rbsp, &sps->constraint_set0_flag); in nal_h264_rbsp_sps()
209 rbsp_bit(rbsp, &sps->constraint_set1_flag); in nal_h264_rbsp_sps()
210 rbsp_bit(rbsp, &sps->constraint_set2_flag); in nal_h264_rbsp_sps()
211 rbsp_bit(rbsp, &sps->constraint_set3_flag); in nal_h264_rbsp_sps()
212 rbsp_bit(rbsp, &sps->constraint_set4_flag); in nal_h264_rbsp_sps()
213 rbsp_bit(rbsp, &sps->constraint_set5_flag); in nal_h264_rbsp_sps()
214 rbsp_bits(rbsp, 2, &sps->reserved_zero_2bits); in nal_h264_rbsp_sps()
215 rbsp_bits(rbsp, 8, &sps->level_idc); in nal_h264_rbsp_sps()
217 rbsp_uev(rbsp, &sps->seq_parameter_set_id); in nal_h264_rbsp_sps()
219 if (sps->profile_idc == 100 || sps->profile_idc == 110 || in nal_h264_rbsp_sps()
220 sps->profile_idc == 122 || sps->profile_idc == 244 || in nal_h264_rbsp_sps()
221 sps->profile_idc == 44 || sps->profile_idc == 83 || in nal_h264_rbsp_sps()
222 sps->profile_idc == 86 || sps->profile_idc == 118 || in nal_h264_rbsp_sps()
223 sps->profile_idc == 128 || sps->profile_idc == 138 || in nal_h264_rbsp_sps()
224 sps->profile_idc == 139 || sps->profile_idc == 134 || in nal_h264_rbsp_sps()
225 sps->profile_idc == 135) { in nal_h264_rbsp_sps()
226 rbsp_uev(rbsp, &sps->chroma_format_idc); in nal_h264_rbsp_sps()
228 if (sps->chroma_format_idc == 3) in nal_h264_rbsp_sps()
229 rbsp_bit(rbsp, &sps->separate_colour_plane_flag); in nal_h264_rbsp_sps()
230 rbsp_uev(rbsp, &sps->bit_depth_luma_minus8); in nal_h264_rbsp_sps()
231 rbsp_uev(rbsp, &sps->bit_depth_chroma_minus8); in nal_h264_rbsp_sps()
232 rbsp_bit(rbsp, &sps->qpprime_y_zero_transform_bypass_flag); in nal_h264_rbsp_sps()
233 rbsp_bit(rbsp, &sps->seq_scaling_matrix_present_flag); in nal_h264_rbsp_sps()
234 if (sps->seq_scaling_matrix_present_flag) in nal_h264_rbsp_sps()
235 rbsp->error = -EINVAL; in nal_h264_rbsp_sps()
238 rbsp_uev(rbsp, &sps->log2_max_frame_num_minus4); in nal_h264_rbsp_sps()
240 rbsp_uev(rbsp, &sps->pic_order_cnt_type); in nal_h264_rbsp_sps()
241 switch (sps->pic_order_cnt_type) { in nal_h264_rbsp_sps()
243 rbsp_uev(rbsp, &sps->log2_max_pic_order_cnt_lsb_minus4); in nal_h264_rbsp_sps()
246 rbsp_bit(rbsp, &sps->delta_pic_order_always_zero_flag); in nal_h264_rbsp_sps()
247 rbsp_sev(rbsp, &sps->offset_for_non_ref_pic); in nal_h264_rbsp_sps()
248 rbsp_sev(rbsp, &sps->offset_for_top_to_bottom_field); in nal_h264_rbsp_sps()
250 rbsp_uev(rbsp, &sps->num_ref_frames_in_pic_order_cnt_cycle); in nal_h264_rbsp_sps()
251 for (i = 0; i < sps->num_ref_frames_in_pic_order_cnt_cycle; i++) in nal_h264_rbsp_sps()
252 rbsp_sev(rbsp, &sps->offset_for_ref_frame[i]); in nal_h264_rbsp_sps()
255 rbsp->error = -EINVAL; in nal_h264_rbsp_sps()
259 rbsp_uev(rbsp, &sps->max_num_ref_frames); in nal_h264_rbsp_sps()
260 rbsp_bit(rbsp, &sps->gaps_in_frame_num_value_allowed_flag); in nal_h264_rbsp_sps()
261 rbsp_uev(rbsp, &sps->pic_width_in_mbs_minus1); in nal_h264_rbsp_sps()
262 rbsp_uev(rbsp, &sps->pic_height_in_map_units_minus1); in nal_h264_rbsp_sps()
264 rbsp_bit(rbsp, &sps->frame_mbs_only_flag); in nal_h264_rbsp_sps()
265 if (!sps->frame_mbs_only_flag) in nal_h264_rbsp_sps()
266 rbsp_bit(rbsp, &sps->mb_adaptive_frame_field_flag); in nal_h264_rbsp_sps()
268 rbsp_bit(rbsp, &sps->direct_8x8_inference_flag); in nal_h264_rbsp_sps()
270 rbsp_bit(rbsp, &sps->frame_cropping_flag); in nal_h264_rbsp_sps()
271 if (sps->frame_cropping_flag) { in nal_h264_rbsp_sps()
272 rbsp_uev(rbsp, &sps->crop_left); in nal_h264_rbsp_sps()
273 rbsp_uev(rbsp, &sps->crop_right); in nal_h264_rbsp_sps()
274 rbsp_uev(rbsp, &sps->crop_top); in nal_h264_rbsp_sps()
275 rbsp_uev(rbsp, &sps->crop_bottom); in nal_h264_rbsp_sps()
278 rbsp_bit(rbsp, &sps->vui_parameters_present_flag); in nal_h264_rbsp_sps()
279 if (sps->vui_parameters_present_flag) in nal_h264_rbsp_sps()
280 nal_h264_rbsp_vui_parameters(rbsp, &sps->vui); in nal_h264_rbsp_sps()
287 rbsp_uev(rbsp, &pps->pic_parameter_set_id); in nal_h264_rbsp_pps()
288 rbsp_uev(rbsp, &pps->seq_parameter_set_id); in nal_h264_rbsp_pps()
289 rbsp_bit(rbsp, &pps->entropy_coding_mode_flag); in nal_h264_rbsp_pps()
290 rbsp_bit(rbsp, &pps->bottom_field_pic_order_in_frame_present_flag); in nal_h264_rbsp_pps()
291 rbsp_uev(rbsp, &pps->num_slice_groups_minus1); in nal_h264_rbsp_pps()
292 if (pps->num_slice_groups_minus1 > 0) { in nal_h264_rbsp_pps()
293 rbsp_uev(rbsp, &pps->slice_group_map_type); in nal_h264_rbsp_pps()
294 switch (pps->slice_group_map_type) { in nal_h264_rbsp_pps()
296 for (i = 0; i < pps->num_slice_groups_minus1; i++) in nal_h264_rbsp_pps()
297 rbsp_uev(rbsp, &pps->run_length_minus1[i]); in nal_h264_rbsp_pps()
300 for (i = 0; i < pps->num_slice_groups_minus1; i++) { in nal_h264_rbsp_pps()
301 rbsp_uev(rbsp, &pps->top_left[i]); in nal_h264_rbsp_pps()
302 rbsp_uev(rbsp, &pps->bottom_right[i]); in nal_h264_rbsp_pps()
306 rbsp_bit(rbsp, &pps->slice_group_change_direction_flag); in nal_h264_rbsp_pps()
307 rbsp_uev(rbsp, &pps->slice_group_change_rate_minus1); in nal_h264_rbsp_pps()
310 rbsp_uev(rbsp, &pps->pic_size_in_map_units_minus1); in nal_h264_rbsp_pps()
311 for (i = 0; i < pps->pic_size_in_map_units_minus1; i++) in nal_h264_rbsp_pps()
313 order_base_2(pps->num_slice_groups_minus1 + 1), in nal_h264_rbsp_pps()
314 &pps->slice_group_id[i]); in nal_h264_rbsp_pps()
320 rbsp_uev(rbsp, &pps->num_ref_idx_l0_default_active_minus1); in nal_h264_rbsp_pps()
321 rbsp_uev(rbsp, &pps->num_ref_idx_l1_default_active_minus1); in nal_h264_rbsp_pps()
322 rbsp_bit(rbsp, &pps->weighted_pred_flag); in nal_h264_rbsp_pps()
323 rbsp_bits(rbsp, 2, &pps->weighted_bipred_idc); in nal_h264_rbsp_pps()
324 rbsp_sev(rbsp, &pps->pic_init_qp_minus26); in nal_h264_rbsp_pps()
325 rbsp_sev(rbsp, &pps->pic_init_qs_minus26); in nal_h264_rbsp_pps()
326 rbsp_sev(rbsp, &pps->chroma_qp_index_offset); in nal_h264_rbsp_pps()
327 rbsp_bit(rbsp, &pps->deblocking_filter_control_present_flag); in nal_h264_rbsp_pps()
328 rbsp_bit(rbsp, &pps->constrained_intra_pred_flag); in nal_h264_rbsp_pps()
329 rbsp_bit(rbsp, &pps->redundant_pic_cnt_present_flag); in nal_h264_rbsp_pps()
331 rbsp_bit(rbsp, &pps->transform_8x8_mode_flag); in nal_h264_rbsp_pps()
332 rbsp_bit(rbsp, &pps->pic_scaling_matrix_present_flag); in nal_h264_rbsp_pps()
333 if (pps->pic_scaling_matrix_present_flag) in nal_h264_rbsp_pps()
334 rbsp->error = -EINVAL; in nal_h264_rbsp_pps()
335 rbsp_sev(rbsp, &pps->second_chroma_qp_index_offset); in nal_h264_rbsp_pps()
340 * nal_h264_write_sps() - Write SPS NAL unit into RBSP format
362 return -EINVAL; in nal_h264_write_sps()
384 * nal_h264_read_sps() - Read SPS NAL unit from RBSP format
403 return -EINVAL; in nal_h264_read_sps()
417 return -EINVAL; in nal_h264_read_sps()
431 * nal_h264_write_pps() - Write PPS NAL unit into RBSP format
453 return -EINVAL; in nal_h264_write_pps()
476 * nal_h264_read_pps() - Read PPS NAL unit from RBSP format
492 return -EINVAL; in nal_h264_read_pps()
513 * nal_h264_write_filler() - Write filler data RBSP
524 * The RBSP format of the filler data is specified in Rec. ITU-T H.264
537 return -EINVAL; in nal_h264_write_filler()
556 * nal_h264_read_filler() - Read filler data RBSP
567 * The RBSP format of the filler data is specified in Rec. ITU-T H.264
580 return -EINVAL; in nal_h264_read_filler()
595 return -EINVAL; in nal_h264_read_filler()