Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ***************************************************************************** |
| 18 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | ******************************************************************************* |
| 23 | * @file |
| 24 | * ih264e_encode_header.c |
| 25 | * |
| 26 | * @brief |
| 27 | * This file contains function definitions related to header encoding. |
| 28 | * |
| 29 | * @author |
| 30 | * ittiam |
| 31 | * |
| 32 | * @par List of Functions: |
| 33 | * - ih264e_generate_nal_unit_header() |
| 34 | * - ih264e_generate_sps() |
| 35 | * - ih264e_generate_pps() |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 36 | * - ih264e_generate_sei() |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 37 | * - ih264e_generate_slice_header() |
| 38 | * - ih264e_get_level() |
| 39 | * - ih264e_populate_sps() |
| 40 | * - ih264e_populate_pps() |
| 41 | * - ih264e_populate_slice_header() |
| 42 | * - ih264e_add_filler_nal_unit() |
| 43 | * |
| 44 | * @remarks |
| 45 | * None |
| 46 | * |
| 47 | ******************************************************************************* |
| 48 | */ |
| 49 | |
| 50 | /*****************************************************************************/ |
| 51 | /* File Includes */ |
| 52 | /*****************************************************************************/ |
| 53 | |
| 54 | /* System include files */ |
| 55 | #include <stdio.h> |
| 56 | #include <stddef.h> |
| 57 | #include <stdlib.h> |
| 58 | #include <string.h> |
| 59 | #include <assert.h> |
| 60 | |
| 61 | /* User Include Files */ |
| 62 | #include "ih264_typedefs.h" |
| 63 | #include "iv2.h" |
| 64 | #include "ive2.h" |
| 65 | #include "ih264e.h" |
| 66 | #include "ithread.h" |
| 67 | #include "ih264e_config.h" |
| 68 | #include "ih264e_trace.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 69 | #include "ih264e_error.h" |
| 70 | #include "ih264e_bitstream.h" |
| 71 | #include "ih264_debug.h" |
| 72 | #include "ih264_defs.h" |
| 73 | #include "ime_distortion_metrics.h" |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 74 | #include "ime_defs.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 75 | #include "ime_structs.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 76 | #include "ih264_error.h" |
| 77 | #include "ih264_structs.h" |
| 78 | #include "ih264_trans_quant_itrans_iquant.h" |
| 79 | #include "ih264_inter_pred_filters.h" |
| 80 | #include "ih264_mem_fns.h" |
| 81 | #include "ih264_padding.h" |
| 82 | #include "ih264_intra_pred_filters.h" |
| 83 | #include "ih264_deblk_edge_filters.h" |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 84 | #include "ih264_cabac_tables.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 85 | #include "ih264e_defs.h" |
| 86 | #include "irc_cntrl_param.h" |
| 87 | #include "irc_frame_info_collector.h" |
| 88 | #include "ih264e_rate_control.h" |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 89 | #include "ih264e_cabac_structs.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 90 | #include "ih264e_structs.h" |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 91 | #include "ih264e_sei.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 92 | #include "ih264e_encode_header.h" |
| 93 | #include "ih264_common_tables.h" |
| 94 | #include "ih264_macros.h" |
Harinarayanan K K | 6cb6772 | 2015-06-19 14:44:42 +0530 | [diff] [blame] | 95 | #include "ih264e_utils.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 96 | |
| 97 | |
| 98 | /*****************************************************************************/ |
| 99 | /* Function Definitions */ |
| 100 | /*****************************************************************************/ |
| 101 | |
| 102 | /** |
| 103 | ****************************************************************************** |
| 104 | * |
| 105 | * @brief Generate nal unit header in the stream as per section 7.4.1 |
| 106 | * |
| 107 | * @par Description |
| 108 | * Inserts Nal unit header syntax as per section 7.4.1 |
| 109 | * |
| 110 | * @param[inout] ps_bitstrm |
| 111 | * pointer to bitstream context (handle) |
| 112 | * |
| 113 | * @param[in] nal_unit_type |
| 114 | * nal type to be inserted |
| 115 | * |
| 116 | * @param[in] nal_ref_idc |
| 117 | * nal ref idc to be inserted |
| 118 | * |
| 119 | * @return success or failure error code |
| 120 | * |
| 121 | ****************************************************************************** |
| 122 | */ |
| 123 | static WORD32 ih264e_generate_nal_unit_header(bitstrm_t *ps_bitstrm, |
| 124 | WORD32 nal_unit_type, |
| 125 | WORD32 nal_ref_idc) |
| 126 | { |
| 127 | WORD32 return_status = IH264E_SUCCESS; |
| 128 | |
| 129 | /* sanity checks */ |
| 130 | ASSERT((nal_unit_type > 0) && (nal_unit_type < 32)); |
| 131 | |
| 132 | /* forbidden_zero_bit + nal_ref_idc + nal_unit_type */ |
| 133 | PUT_BITS(ps_bitstrm, |
| 134 | ((nal_ref_idc << 5) + nal_unit_type), |
| 135 | (1+2+5), /*1 forbidden zero bit + 2 nal_ref_idc + 5 nal_unit_type */ |
| 136 | return_status, |
| 137 | "nal_unit_header"); |
| 138 | |
| 139 | return(return_status); |
| 140 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 141 | /** |
| 142 | ****************************************************************************** |
| 143 | * |
| 144 | * @brief Generates VUI (Video usability information) |
| 145 | * |
| 146 | * @par Description |
| 147 | * This function generates VUI header as per the spec |
| 148 | * |
| 149 | * @param[in] ps_bitstrm |
| 150 | * pointer to bitstream context (handle) |
| 151 | * |
| 152 | * @param[in] ps_vui |
| 153 | * pointer to structure containing VUI data |
| 154 | |
| 155 | * |
| 156 | * @return success or failure error code |
| 157 | * |
| 158 | ****************************************************************************** |
| 159 | */ |
| 160 | WORD32 ih264e_generate_vui(bitstrm_t *ps_bitstrm, vui_t *ps_vui) |
| 161 | { |
| 162 | WORD32 return_status = IH264E_SUCCESS; |
| 163 | |
| 164 | /* aspect_ratio_info_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 165 | PUT_BITS(ps_bitstrm, ps_vui->u1_aspect_ratio_info_present_flag, 1, |
| 166 | return_status, "aspect_ratio_info_present_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 167 | |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 168 | if(ps_vui->u1_aspect_ratio_info_present_flag) |
| 169 | { /* aspect_ratio_idc */ |
| 170 | PUT_BITS(ps_bitstrm, ps_vui->u1_aspect_ratio_idc, 8, return_status, |
| 171 | "aspect_ratio_idc"); |
| 172 | if(255 == ps_vui->u1_aspect_ratio_idc) /* Extended_SAR */ |
| 173 | { /* sar_width */ |
| 174 | PUT_BITS(ps_bitstrm, ps_vui->u2_sar_width, 16, return_status, |
| 175 | "sar_width"); |
| 176 | /* sar_height */ |
| 177 | PUT_BITS(ps_bitstrm, ps_vui->u2_sar_height, 16, return_status, |
| 178 | "sar_height"); |
| 179 | } |
| 180 | |
| 181 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 182 | /* overscan_info_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 183 | PUT_BITS(ps_bitstrm, ps_vui->u1_overscan_info_present_flag, 1, |
| 184 | return_status, "overscan_info_present_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 185 | |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 186 | if(ps_vui->u1_overscan_info_present_flag) |
| 187 | { |
| 188 | /* overscan_appropriate_flag */ |
| 189 | PUT_BITS(ps_bitstrm, ps_vui->u1_overscan_appropriate_flag, 1, |
| 190 | return_status, "overscan_appropriate_flag"); |
| 191 | |
| 192 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 193 | /* video_signal_type_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 194 | PUT_BITS(ps_bitstrm, ps_vui->u1_video_signal_type_present_flag, 1, |
| 195 | return_status, "video_signal_type_present_flag"); |
| 196 | |
| 197 | if(ps_vui->u1_video_signal_type_present_flag) |
| 198 | { /* video_format */ |
| 199 | PUT_BITS(ps_bitstrm, ps_vui->u1_video_format, 3, return_status, |
| 200 | "video_format"); |
| 201 | |
| 202 | /* video_full_range_flag */ |
| 203 | PUT_BITS(ps_bitstrm, ps_vui->u1_video_full_range_flag, 1, return_status, |
| 204 | "video_full_range_flag"); |
| 205 | |
| 206 | /* colour_description_present_flag */ |
| 207 | PUT_BITS(ps_bitstrm, ps_vui->u1_colour_description_present_flag, 1, |
| 208 | return_status, "colour_description_present_flag"); |
| 209 | |
| 210 | if(ps_vui->u1_colour_description_present_flag) |
| 211 | { |
| 212 | /* colour_primaries */ |
| 213 | PUT_BITS(ps_bitstrm, ps_vui->u1_colour_primaries, 8, return_status, |
| 214 | "colour_primaries"); |
| 215 | |
| 216 | /* transfer_characteristics */ |
| 217 | PUT_BITS(ps_bitstrm, ps_vui->u1_transfer_characteristics, 8, |
| 218 | return_status, "transfer_characteristics"); |
| 219 | |
| 220 | /* matrix_coefficients */ |
| 221 | PUT_BITS(ps_bitstrm, ps_vui->u1_matrix_coefficients, 8, |
| 222 | return_status, "matrix_coefficients"); |
| 223 | } |
| 224 | |
| 225 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 226 | |
| 227 | /* chroma_loc_info_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 228 | PUT_BITS(ps_bitstrm, ps_vui->u1_chroma_loc_info_present_flag, 1, |
| 229 | return_status, "chroma_loc_info_present_flag"); |
| 230 | |
| 231 | if(ps_vui->u1_chroma_loc_info_present_flag) |
| 232 | { |
| 233 | /* chroma_sample_loc_type_top_field */ |
| 234 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_chroma_sample_loc_type_top_field, |
| 235 | return_status, "chroma_sample_loc_type_top_field"); |
| 236 | |
| 237 | /* chroma_sample_loc_type_bottom_field */ |
| 238 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_chroma_sample_loc_type_bottom_field, |
| 239 | return_status, "chroma_sample_loc_type_bottom_field"); |
| 240 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 241 | |
| 242 | /* timing_info_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 243 | PUT_BITS(ps_bitstrm, ps_vui->u1_vui_timing_info_present_flag, 1, |
| 244 | return_status, "timing_info_present_flag"); |
| 245 | |
| 246 | if(ps_vui->u1_vui_timing_info_present_flag) |
| 247 | { |
| 248 | /* num_units_in_tick */ |
| 249 | PUT_BITS(ps_bitstrm, ps_vui->u4_vui_num_units_in_tick, 32, |
| 250 | return_status, "num_units_in_tick"); |
| 251 | |
| 252 | /* time_scale */ |
| 253 | PUT_BITS(ps_bitstrm, ps_vui->u4_vui_time_scale, 32, return_status, |
| 254 | "time_scale"); |
| 255 | |
| 256 | /* fixed_frame_rate_flag */ |
| 257 | PUT_BITS(ps_bitstrm, ps_vui->u1_fixed_frame_rate_flag, 1, return_status, |
| 258 | "fixed_frame_rate_flag"); |
| 259 | |
| 260 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 261 | |
| 262 | /* nal_hrd_parameters_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 263 | PUT_BITS(ps_bitstrm, ps_vui->u1_nal_hrd_parameters_present_flag, 1, |
| 264 | return_status, "nal_hrd_parameters_present_flag"); |
| 265 | |
| 266 | if(ps_vui->u1_nal_hrd_parameters_present_flag) |
| 267 | { |
| 268 | hrd_params_t * ps_hrd_params = &ps_vui->s_nal_hrd_parameters; |
| 269 | WORD32 i; |
| 270 | /* cpb_cnt_minus1 */ |
| 271 | PUT_BITS_UEV(ps_bitstrm, ps_hrd_params->u1_cpb_cnt_minus1, |
| 272 | return_status, "cpb_cnt_minus1"); |
| 273 | |
| 274 | /* bit_rate_scale */ |
| 275 | PUT_BITS(ps_bitstrm, ps_hrd_params->u4_bit_rate_scale, 4, return_status, |
| 276 | "bit_rate_scale"); |
| 277 | |
| 278 | /* cpb_size_scale */ |
| 279 | PUT_BITS(ps_bitstrm, ps_hrd_params->u4_cpb_size_scale, 4, return_status, |
| 280 | "cpb_size_scale"); |
| 281 | for(i = 0; i < ps_hrd_params->u1_cpb_cnt_minus1; i++) |
| 282 | { |
| 283 | /* bit_rate_value_minus1[SchedSelIdx] */ |
| 284 | PUT_BITS_UEV(ps_bitstrm, |
| 285 | ps_hrd_params->au4_bit_rate_value_minus1[i], |
| 286 | return_status, "bit_rate_value_minus1[SchedSelIdx]"); |
| 287 | |
| 288 | /* cpb_size_value_minus1[SchedSelIdx] */ |
| 289 | PUT_BITS_UEV(ps_bitstrm, |
| 290 | ps_hrd_params->au4_cpb_size_value_minus1[i], |
| 291 | return_status, "cpb_size_value_minus1[SchedSelIdx]"); |
| 292 | |
| 293 | /* cbr_flag[SchedSelIdx] */ |
| 294 | PUT_BITS(ps_bitstrm, ps_hrd_params->au1_cbr_flag[i], 1, |
| 295 | return_status, "cbr_flag[SchedSelIdx]"); |
| 296 | } |
| 297 | |
| 298 | /* initial_cpb_removal_delay_length_minus1 */ |
| 299 | PUT_BITS(ps_bitstrm, |
| 300 | ps_hrd_params->u1_initial_cpb_removal_delay_length_minus1, 5, |
| 301 | return_status, "initial_cpb_removal_delay_length_minus1"); |
| 302 | |
| 303 | /* cpb_removal_delay_length_minus1 */ |
| 304 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_cpb_removal_delay_length_minus1, |
| 305 | 5, return_status, "cpb_removal_delay_length_minus1"); |
| 306 | |
| 307 | /* dpb_output_delay_length_minus1 */ |
| 308 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_dpb_output_delay_length_minus1, |
| 309 | 5, return_status, "dpb_output_delay_length_minus1"); |
| 310 | |
| 311 | /* time_offset_length */ |
| 312 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_time_offset_length, 5, |
| 313 | return_status, "time_offset_length"); |
| 314 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 315 | |
| 316 | /* vcl_hrd_parameters_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 317 | PUT_BITS(ps_bitstrm, ps_vui->u1_vcl_hrd_parameters_present_flag, 1, |
| 318 | return_status, "vcl_hrd_parameters_present_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 319 | |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 320 | if(ps_vui->u1_vcl_hrd_parameters_present_flag) |
| 321 | { |
| 322 | hrd_params_t * ps_hrd_params = &ps_vui->s_vcl_hrd_parameters; |
| 323 | WORD32 i; |
| 324 | /* cpb_cnt_minus1 */ |
| 325 | PUT_BITS_UEV(ps_bitstrm, ps_hrd_params->u1_cpb_cnt_minus1, |
| 326 | return_status, "cpb_cnt_minus1"); |
| 327 | |
| 328 | /* bit_rate_scale */ |
| 329 | PUT_BITS(ps_bitstrm, ps_hrd_params->u4_bit_rate_scale, 4, return_status, |
| 330 | "bit_rate_scale"); |
| 331 | |
| 332 | /* cpb_size_scale */ |
| 333 | PUT_BITS(ps_bitstrm, ps_hrd_params->u4_cpb_size_scale, 4, return_status, |
| 334 | "cpb_size_scale"); |
| 335 | for(i = 0; i < ps_hrd_params->u1_cpb_cnt_minus1; i++) |
| 336 | { |
| 337 | /* bit_rate_value_minus1[SchedSelIdx] */ |
| 338 | PUT_BITS_UEV(ps_bitstrm, |
| 339 | ps_hrd_params->au4_bit_rate_value_minus1[i], |
| 340 | return_status, "bit_rate_value_minus1[SchedSelIdx]"); |
| 341 | |
| 342 | /* cpb_size_value_minus1[SchedSelIdx] */ |
| 343 | PUT_BITS_UEV(ps_bitstrm, |
| 344 | ps_hrd_params->au4_cpb_size_value_minus1[i], |
| 345 | return_status, "cpb_size_value_minus1[SchedSelIdx]"); |
| 346 | |
| 347 | /* cbr_flag[SchedSelIdx] */ |
| 348 | PUT_BITS(ps_bitstrm, ps_hrd_params->au1_cbr_flag[i], 1, |
| 349 | return_status, "cbr_flag[SchedSelIdx]"); |
| 350 | } |
| 351 | |
| 352 | /* initial_cpb_removal_delay_length_minus1 */ |
| 353 | PUT_BITS(ps_bitstrm, |
| 354 | ps_hrd_params->u1_initial_cpb_removal_delay_length_minus1, 5, |
| 355 | return_status, "initial_cpb_removal_delay_length_minus1"); |
| 356 | |
| 357 | /* cpb_removal_delay_length_minus1 */ |
| 358 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_cpb_removal_delay_length_minus1, |
| 359 | 5, return_status, "cpb_removal_delay_length_minus1"); |
| 360 | |
| 361 | /* dpb_output_delay_length_minus1 */ |
| 362 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_dpb_output_delay_length_minus1, |
| 363 | 5, return_status, "dpb_output_delay_length_minus1"); |
| 364 | |
| 365 | /* time_offset_length */ |
| 366 | PUT_BITS(ps_bitstrm, ps_hrd_params->u1_time_offset_length, 5, |
| 367 | return_status, "time_offset_length"); |
| 368 | } |
| 369 | |
| 370 | if(ps_vui->u1_nal_hrd_parameters_present_flag |
| 371 | || ps_vui->u1_vcl_hrd_parameters_present_flag) |
| 372 | { |
| 373 | /* low_delay_hrd_flag */ |
| 374 | PUT_BITS(ps_bitstrm, ps_vui->u1_low_delay_hrd_flag, 1, return_status, |
| 375 | "low_delay_hrd_flag"); |
| 376 | } |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 377 | /* pic_struct_present_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 378 | PUT_BITS(ps_bitstrm, ps_vui->u1_pic_struct_present_flag, 1, return_status, |
| 379 | "pic_struct_present_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 380 | |
| 381 | /* bitstream_restriction_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 382 | PUT_BITS(ps_bitstrm, ps_vui->u1_bitstream_restriction_flag, 1, |
| 383 | return_status, "bitstream_restriction_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 384 | |
| 385 | if(ps_vui->u1_bitstream_restriction_flag == 1) |
| 386 | { |
| 387 | /* motion_vectors_over_pic_boundaries_flag */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 388 | PUT_BITS(ps_bitstrm, ps_vui->u1_motion_vectors_over_pic_boundaries_flag, |
| 389 | 1, return_status, "motion_vectors_over_pic_boundaries_flag"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 390 | |
| 391 | /* max_bytes_per_pic_denom */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 392 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_max_bytes_per_pic_denom, |
| 393 | return_status, "max_bytes_per_pic_denom"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 394 | |
| 395 | /* max_bits_per_mb_denom */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 396 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_max_bits_per_mb_denom, |
| 397 | return_status, "max_bits_per_mb_denom"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 398 | |
| 399 | /* log2_max_mv_length_horizontal */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 400 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_log2_max_mv_length_horizontal, |
| 401 | return_status, "log2_max_mv_length_horizontal"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 402 | |
| 403 | /* log2_max_mv_length_vertical */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 404 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_log2_max_mv_length_vertical, |
| 405 | return_status, "log2_max_mv_length_vertical"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 406 | |
| 407 | /* max_num_reorder_frames */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 408 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_num_reorder_frames, return_status, |
| 409 | "max_num_reorder_frames"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 410 | |
| 411 | /* max_dec_frame_buffering */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 412 | PUT_BITS_UEV(ps_bitstrm, ps_vui->u1_max_dec_frame_buffering, |
| 413 | return_status, "max_dec_frame_buffering"); |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | return return_status; |
| 417 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 418 | |
| 419 | /** |
| 420 | ****************************************************************************** |
| 421 | * |
| 422 | * @brief Generates SPS (Sequence Parameter Set) |
| 423 | * |
| 424 | * @par Description |
| 425 | * This function generates Sequence Parameter Set header as per the spec |
| 426 | * |
| 427 | * @param[in] ps_bitstrm |
| 428 | * pointer to bitstream context (handle) |
| 429 | * |
| 430 | * @param[in] ps_sps |
| 431 | * pointer to structure containing SPS data |
| 432 | * |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 433 | * @param[in] ps_vui |
| 434 | * pointer to structure containing VUI data |
| 435 | * |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 436 | * @return success or failure error code |
| 437 | * |
| 438 | ****************************************************************************** |
| 439 | */ |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 440 | WORD32 ih264e_generate_sps(bitstrm_t *ps_bitstrm, sps_t *ps_sps, vui_t *ps_vui) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 441 | { |
| 442 | WORD32 return_status = IH264E_SUCCESS; |
| 443 | WORD32 i; |
| 444 | WORD8 i1_nal_unit_type = 7; |
| 445 | WORD8 i1_nal_ref_idc = 3; |
| 446 | |
| 447 | /* Insert Start Code */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 448 | return_status = ih264e_put_nal_start_code_prefix(ps_bitstrm, 1); |
| 449 | if(return_status != IH264E_SUCCESS) |
| 450 | { |
| 451 | return return_status; |
| 452 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 453 | /* Insert Nal Unit Header */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 454 | return_status = ih264e_generate_nal_unit_header(ps_bitstrm, i1_nal_unit_type, i1_nal_ref_idc); |
| 455 | if(return_status != IH264E_SUCCESS) |
| 456 | { |
| 457 | return return_status; |
| 458 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 459 | /* profile_idc */ |
| 460 | PUT_BITS(ps_bitstrm, ps_sps->u1_profile_idc, 8, return_status, "profile_idc"); |
| 461 | |
| 462 | /* constrained_set_flags */ |
| 463 | PUT_BITS(ps_bitstrm, ps_sps->u1_constraint_set0_flag, 1, return_status, "constrained_set0_flag"); |
| 464 | PUT_BITS(ps_bitstrm, ps_sps->u1_constraint_set1_flag, 1, return_status, "constrained_set1_flag"); |
| 465 | PUT_BITS(ps_bitstrm, ps_sps->u1_constraint_set2_flag, 1, return_status, "constrained_set2_flag"); |
| 466 | PUT_BITS(ps_bitstrm, ps_sps->u1_constraint_set3_flag, 1, return_status, "constrained_set3_flag"); |
| 467 | |
| 468 | /* reserved_zero_four_bits */ |
| 469 | PUT_BITS(ps_bitstrm, 0, 4, return_status, "reserved_zero_four_bits"); |
| 470 | |
| 471 | /* level_idc */ |
| 472 | PUT_BITS(ps_bitstrm, ps_sps->u1_level_idc, 8, return_status, "level_idc"); |
| 473 | |
| 474 | /* seq_parameter_set_id */ |
| 475 | PUT_BITS_UEV(ps_bitstrm, ps_sps->u1_sps_id, return_status, "seq_parameter_set_id"); |
| 476 | |
| 477 | if (ps_sps->u1_profile_idc >= IH264_PROFILE_HIGH) |
| 478 | { |
| 479 | /* chroma_format_idc */ |
| 480 | PUT_BITS_UEV(ps_bitstrm, ps_sps->u1_chroma_format_idc, return_status, "chroma_format_idc"); |
| 481 | |
| 482 | if (ps_sps->u1_chroma_format_idc == CHROMA_FMT_IDC_YUV444) |
| 483 | { |
| 484 | /* i1_residual_colour_transform_flag */ |
| 485 | PUT_BITS(ps_bitstrm, ps_sps->i1_residual_colour_transform_flag, 1, return_status, "i1_residual_colour_transform_flag"); |
| 486 | } |
| 487 | |
| 488 | /* bit_depth_luma_minus8 */ |
| 489 | PUT_BITS_UEV(ps_bitstrm, (ps_sps->i1_bit_depth_luma - 8), return_status, "bit_depth_luma_minus8"); |
| 490 | |
| 491 | /* bit_depth_chroma_minus8 */ |
| 492 | PUT_BITS_UEV(ps_bitstrm, (ps_sps->i1_bit_depth_chroma - 8), return_status, "bit_depth_chroma_minus8"); |
| 493 | |
| 494 | /* qpprime_y_zero_transform_bypass_flag */ |
| 495 | PUT_BITS(ps_bitstrm, ps_sps->i1_qpprime_y_zero_transform_bypass_flag, 1, return_status, "qpprime_y_zero_transform_bypass_flag"); |
| 496 | |
| 497 | /* seq_scaling_matrix_present_flag */ |
| 498 | PUT_BITS(ps_bitstrm, ps_sps->i1_seq_scaling_matrix_present_flag, 1, return_status, "seq_scaling_matrix_present_flag"); |
| 499 | |
| 500 | /* seq_scaling_list */ |
| 501 | if (ps_sps->i1_seq_scaling_matrix_present_flag) |
| 502 | { |
| 503 | /* TODO_LATER: Will be enabled once scaling list support is added */ |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | /* log2_max_frame_num_minus4 */ |
| 508 | PUT_BITS_UEV(ps_bitstrm, (ps_sps->i1_log2_max_frame_num - 4), return_status, "log2_max_frame_num_minus4"); |
| 509 | |
| 510 | /* pic_order_cnt_type */ |
| 511 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i1_pic_order_cnt_type, return_status, "pic_order_cnt_type"); |
| 512 | |
| 513 | if (ps_sps->i1_pic_order_cnt_type == 0) |
| 514 | { |
| 515 | /* log2_max_pic_order_cnt_lsb_minus4 */ |
| 516 | PUT_BITS_UEV(ps_bitstrm, (ps_sps->i1_log2_max_pic_order_cnt_lsb - 4), return_status, "log2_max_pic_order_cnt_lsb_minus4"); |
| 517 | } |
| 518 | else if (ps_sps->i1_pic_order_cnt_type == 1) |
| 519 | { |
| 520 | /* delta_pic_order_always_zero_flag */ |
| 521 | PUT_BITS(ps_bitstrm, ps_sps->i1_delta_pic_order_always_zero_flag, 1, return_status, "delta_pic_order_always_zero_flag"); |
| 522 | |
| 523 | /* offset_for_non_ref_pic */ |
| 524 | PUT_BITS_SEV(ps_bitstrm, ps_sps->i4_offset_for_non_ref_pic, return_status, "offset_for_non_ref_pic"); |
| 525 | |
| 526 | /* offset_for_top_to_bottom_field */ |
| 527 | PUT_BITS_SEV(ps_bitstrm, ps_sps->i4_offset_for_top_to_bottom_field, return_status, "offset_for_top_to_bottom_field"); |
| 528 | |
| 529 | /* num_ref_frames_in_pic_order_cnt_cycle */ |
| 530 | PUT_BITS_UEV(ps_bitstrm, ps_sps->u1_num_ref_frames_in_pic_order_cnt_cycle, return_status, "num_ref_frames_in_pic_order_cnt_cycle"); |
| 531 | |
| 532 | /* Offset for ref frame */ |
| 533 | for (i=0; i<ps_sps->u1_num_ref_frames_in_pic_order_cnt_cycle; i++) |
| 534 | { |
| 535 | /* offset_for_ref_frame */ |
| 536 | PUT_BITS_SEV(ps_bitstrm, ps_sps->ai4_offset_for_ref_frame[i], return_status, "offset_for_ref_frame"); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | /* num_ref_frames */ |
| 541 | PUT_BITS_UEV(ps_bitstrm, ps_sps->u1_max_num_ref_frames, return_status, "num_ref_frames"); |
| 542 | |
| 543 | /* gaps_in_frame_num_value_allowed_flag */ |
| 544 | PUT_BITS(ps_bitstrm, ps_sps->i1_gaps_in_frame_num_value_allowed_flag, 1, return_status, "gaps_in_frame_num_value_allowed_flag"); |
| 545 | |
| 546 | /* pic_width_in_mbs_minus1 */ |
| 547 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_pic_width_in_mbs_minus1, return_status, "pic_width_in_mbs_minus1"); |
| 548 | |
| 549 | /* pic_height_in_map_units_minus1 */ |
| 550 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_pic_height_in_map_units_minus1, return_status, "pic_height_in_map_units_minus1"); |
| 551 | |
| 552 | /* frame_mbs_only_flag */ |
| 553 | PUT_BITS(ps_bitstrm, ps_sps->i1_frame_mbs_only_flag, 1, return_status, "frame_mbs_only_flag"); |
| 554 | |
| 555 | if (!ps_sps->i1_frame_mbs_only_flag) |
| 556 | { |
| 557 | /* mb_adaptive_frame_field_flag */ |
| 558 | PUT_BITS(ps_bitstrm, ps_sps->i1_mb_adaptive_frame_field_flag, 1, return_status, "mb_adaptive_frame_field_flag"); |
| 559 | } |
| 560 | |
| 561 | /* direct_8x8_inference_flag */ |
| 562 | PUT_BITS(ps_bitstrm, ps_sps->i1_direct_8x8_inference_flag, 1, return_status, "direct_8x8_inference_flag"); |
| 563 | |
| 564 | /* frame_cropping_flag */ |
| 565 | PUT_BITS(ps_bitstrm, ps_sps->i1_frame_cropping_flag, 1, return_status, "frame_cropping_flag"); |
| 566 | |
| 567 | if (ps_sps->i1_frame_cropping_flag) |
| 568 | { |
| 569 | /* frame_crop_left_offset */ |
| 570 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_frame_crop_left_offset, return_status, "frame_crop_left_offset"); |
| 571 | |
| 572 | /* frame_crop_right_offset */ |
| 573 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_frame_crop_right_offset, return_status, "frame_crop_right_offset"); |
| 574 | |
| 575 | /* frame_crop_top_offset */ |
| 576 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_frame_crop_top_offset, return_status, "frame_crop_top_offset"); |
| 577 | |
| 578 | /* frame_crop_bottom_offset */ |
| 579 | PUT_BITS_UEV(ps_bitstrm, ps_sps->i2_frame_crop_bottom_offset, return_status, "frame_crop_bottom_offset"); |
| 580 | } |
| 581 | |
| 582 | /* vui_parameters_present_flag */ |
| 583 | PUT_BITS(ps_bitstrm, ps_sps->i1_vui_parameters_present_flag, 1, return_status, "vui_parameters_present_flag"); |
| 584 | |
| 585 | if (ps_sps->i1_vui_parameters_present_flag) |
| 586 | { |
| 587 | /* Add vui parameters to the bitstream */; |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 588 | return_status = ih264e_generate_vui(ps_bitstrm, ps_vui); |
| 589 | if(return_status != IH264E_SUCCESS) |
| 590 | { |
| 591 | return return_status; |
| 592 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | /* rbsp trailing bits */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 596 | return_status = ih264e_put_rbsp_trailing_bits(ps_bitstrm); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 597 | |
| 598 | return return_status; |
| 599 | } |
| 600 | |
| 601 | /** |
| 602 | ****************************************************************************** |
| 603 | * |
| 604 | * @brief Generates PPS (Picture Parameter Set) |
| 605 | * |
| 606 | * @par Description |
| 607 | * Generate Picture Parameter Set as per Section 7.3.2.2 |
| 608 | * |
| 609 | * @param[in] ps_bitstrm |
| 610 | * pointer to bitstream context (handle) |
| 611 | * |
| 612 | * @param[in] ps_pps |
| 613 | * pointer to structure containing PPS data |
| 614 | * |
| 615 | * @return success or failure error code |
| 616 | * |
| 617 | ****************************************************************************** |
| 618 | */ |
| 619 | WORD32 ih264e_generate_pps(bitstrm_t *ps_bitstrm, pps_t *ps_pps, sps_t *ps_sps) |
| 620 | { |
| 621 | WORD32 return_status = IH264E_SUCCESS; |
| 622 | |
| 623 | /* Insert the NAL start code */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 624 | return_status = ih264e_put_nal_start_code_prefix(ps_bitstrm, 1); |
| 625 | if(return_status != IH264E_SUCCESS) |
| 626 | { |
| 627 | return return_status; |
| 628 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 629 | |
| 630 | /* Insert Nal Unit Header */ |
| 631 | PUT_BITS(ps_bitstrm, NAL_PPS_FIRST_BYTE, 8, return_status, "pps_header"); |
| 632 | |
| 633 | /* pic_parameter_set_id */ |
| 634 | PUT_BITS_UEV(ps_bitstrm, ps_pps->u1_pps_id, return_status, "pic_parameter_set_id"); |
| 635 | |
| 636 | /* seq_parameter_set_id */ |
| 637 | PUT_BITS_UEV(ps_bitstrm, ps_pps->u1_sps_id, return_status, "seq_parameter_set_id"); |
| 638 | |
| 639 | /* Entropy coding : 0-VLC; 1 - CABAC */ |
| 640 | PUT_BITS(ps_bitstrm, ps_pps->u1_entropy_coding_mode_flag, 1, return_status, "Entropy coding : 0-VLC; 1 - CABAC"); |
| 641 | |
| 642 | /* Pic order present flag */ |
| 643 | PUT_BITS(ps_bitstrm, ps_pps->u1_pic_order_present_flag, 1, return_status, "Pic order present flag"); |
| 644 | |
| 645 | /* Number of slice groups */ |
| 646 | PUT_BITS_UEV(ps_bitstrm, ps_pps->u1_num_slice_groups - 1, return_status, "Number of slice groups"); |
| 647 | |
| 648 | if (ps_pps->u1_num_slice_groups > 1) |
| 649 | { |
| 650 | /* TODO_LATER: Currently the number of slice groups minus 1 is 0. |
| 651 | * If this is not the case, we have to add Slice group map type to the bit stream*/ |
| 652 | } |
| 653 | |
| 654 | /* num_ref_idx_l0_default_active_minus1 */ |
| 655 | PUT_BITS_UEV(ps_bitstrm, ps_pps->i1_num_ref_idx_l0_default_active - 1, return_status, "num_ref_idx_l0_default_active_minus1"); |
| 656 | |
| 657 | /* num_ref_idx_l1_default_active_minus1 */ |
| 658 | PUT_BITS_UEV(ps_bitstrm, ps_pps->i1_num_ref_idx_l1_default_active - 1, return_status, "num_ref_idx_l1_default_active_minus1"); |
| 659 | |
| 660 | /* weighted_pred_flag */ |
| 661 | PUT_BITS(ps_bitstrm, ps_pps->i1_weighted_pred_flag, 1, return_status, "weighted_pred_flag"); |
| 662 | |
| 663 | /* weighted_bipred_flag */ |
| 664 | PUT_BITS(ps_bitstrm, ps_pps->i1_weighted_bipred_idc, 2, return_status, "weighted_bipred_idc"); |
| 665 | |
| 666 | /* pic_init_qp_minus26 */ |
| 667 | PUT_BITS_SEV(ps_bitstrm, ps_pps->i1_pic_init_qp - 26, return_status, "pic_init_qp_minus26"); |
| 668 | |
| 669 | /* pic_init_qs_minus26 */ |
| 670 | PUT_BITS_SEV(ps_bitstrm, ps_pps->i1_pic_init_qs - 26, return_status, "pic_init_qs_minus26"); |
| 671 | |
| 672 | /* chroma_qp_index_offset */ |
| 673 | PUT_BITS_SEV(ps_bitstrm, ps_pps->i1_chroma_qp_index_offset, return_status, "chroma_qp_index_offset"); |
| 674 | |
| 675 | /* deblocking_filter_control_present_flag */ |
| 676 | PUT_BITS(ps_bitstrm, ps_pps->i1_deblocking_filter_control_present_flag, 1, return_status, "deblocking_filter_control_present_flag"); |
| 677 | |
| 678 | /* constrained_intra_pred_flag */ |
| 679 | PUT_BITS(ps_bitstrm, ps_pps->i1_constrained_intra_pred_flag, 1, return_status, "constrained_intra_pred_flag"); |
| 680 | |
| 681 | /*redundant_pic_cnt_present_flag */ |
| 682 | PUT_BITS(ps_bitstrm, ps_pps->i1_redundant_pic_cnt_present_flag, 1, return_status, "redundant_pic_cnt_present_flag"); |
| 683 | |
| 684 | if (ps_sps->u1_profile_idc >= IH264_PROFILE_HIGH) |
| 685 | { |
| 686 | /* transform_8x8_mode_flag */ |
| 687 | PUT_BITS(ps_bitstrm, ps_pps->i1_transform_8x8_mode_flag, 1, return_status, "transform_8x8_mode_flag"); |
| 688 | |
| 689 | /* pic_scaling_matrix_present_flag */ |
| 690 | PUT_BITS(ps_bitstrm, ps_pps->i1_pic_scaling_matrix_present_flag, 1, return_status, "pic_scaling_matrix_present_flag"); |
| 691 | |
| 692 | if(ps_pps->i1_pic_scaling_matrix_present_flag) |
| 693 | { |
| 694 | /* TODO_LATER: Will be enabled once scaling list support is added */ |
| 695 | } |
| 696 | |
| 697 | /* Second chroma QP offset */ |
| 698 | PUT_BITS_SEV(ps_bitstrm, ps_pps->i1_second_chroma_qp_index_offset, return_status, "Second chroma QP offset"); |
| 699 | } |
| 700 | |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 701 | return_status = ih264e_put_rbsp_trailing_bits(ps_bitstrm); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 702 | |
| 703 | return return_status; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | ****************************************************************************** |
| 708 | * |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 709 | * @brief Generates SEI (Supplemental Enhancement Information) |
| 710 | * |
| 711 | * @par Description |
| 712 | * This function generates Supplemental Enhancement Information header as per the spec |
| 713 | * |
| 714 | * @param[in] ps_bitstrm |
| 715 | * pointer to bitstream context (handle) |
| 716 | * |
| 717 | * @param[in] ps_sei |
| 718 | * pointer to structure containing SEI data |
| 719 | * |
| 720 | * @return success or failure error code |
| 721 | * |
| 722 | ****************************************************************************** |
| 723 | */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 724 | IH264E_ERROR_T ih264e_generate_sei(bitstrm_t *ps_bitstrm, sei_params_t *ps_sei, |
| 725 | UWORD32 u4_insert_per_idr) |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 726 | { |
| 727 | WORD32 return_status = IH264E_SUCCESS; |
| 728 | WORD8 i1_nal_unit_type = NAL_SEI; |
| 729 | WORD8 i1_nal_ref_idc = 0; |
| 730 | |
| 731 | /* Insert Start Code */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 732 | return_status = ih264e_put_nal_start_code_prefix(ps_bitstrm, 1); |
| 733 | if(return_status != IH264E_SUCCESS) |
| 734 | { |
| 735 | return return_status; |
| 736 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 737 | |
| 738 | /* Insert Nal Unit Header */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 739 | return_status = ih264e_generate_nal_unit_header(ps_bitstrm, |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 740 | i1_nal_unit_type, i1_nal_ref_idc); |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 741 | if(return_status != IH264E_SUCCESS) |
| 742 | { |
| 743 | return return_status; |
| 744 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 745 | /* Mastering Display Color SEI */ |
| 746 | if(1 == ps_sei->u1_sei_mdcv_params_present_flag && u4_insert_per_idr) |
| 747 | { |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 748 | return_status = ih264e_put_sei_msg(IH264_SEI_MASTERING_DISP_COL_VOL, |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 749 | ps_sei, ps_bitstrm); |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 750 | if(return_status != IH264E_SUCCESS) |
| 751 | { |
| 752 | return return_status; |
| 753 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 754 | } |
| 755 | |
| 756 | /* Content Light Level Information*/ |
| 757 | if(1 == ps_sei->u1_sei_cll_params_present_flag && u4_insert_per_idr) |
| 758 | { |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 759 | return_status = ih264e_put_sei_msg(IH264_SEI_CONTENT_LIGHT_LEVEL_DATA, |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 760 | ps_sei, ps_bitstrm); |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 761 | if(return_status != IH264E_SUCCESS) |
| 762 | { |
| 763 | return return_status; |
| 764 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 765 | } |
| 766 | |
| 767 | /* Ambient viewing environment SEI */ |
| 768 | if(1 == ps_sei->u1_sei_ave_params_present_flag && u4_insert_per_idr) |
| 769 | { |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 770 | return_status = ih264e_put_sei_msg(IH264_SEI_AMBIENT_VIEWING_ENVIRONMENT, |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 771 | ps_sei, ps_bitstrm); |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 772 | if(return_status != IH264E_SUCCESS) |
| 773 | { |
| 774 | return return_status; |
| 775 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | /* Content color volume Information*/ |
| 779 | if(1 == ps_sei->u1_sei_ccv_params_present_flag) |
| 780 | { |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 781 | return_status = ih264e_put_sei_msg(IH264_SEI_CONTENT_COLOR_VOLUME, |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 782 | ps_sei, ps_bitstrm); |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 783 | if(return_status != IH264E_SUCCESS) |
| 784 | { |
| 785 | return return_status; |
| 786 | } |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | /* rbsp trailing bits */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 790 | return_status = ih264e_put_rbsp_trailing_bits(ps_bitstrm); |
Chamarthi Kishore | ad2eaf8 | 2019-10-01 11:59:43 +0530 | [diff] [blame] | 791 | |
| 792 | return return_status; |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | ****************************************************************************** |
| 797 | * |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 798 | * @brief Generates Slice Header |
| 799 | * |
| 800 | * @par Description |
| 801 | * Generate Slice Header as per Section 7.3.5.1 |
| 802 | * |
| 803 | * @param[inout] ps_bitstrm |
| 804 | * pointer to bitstream context for generating slice header |
| 805 | * |
| 806 | * @param[in] ps_slice_hdr |
| 807 | * pointer to slice header params |
| 808 | * |
| 809 | * @param[in] ps_pps |
| 810 | * pointer to pps params referred by slice |
| 811 | * |
| 812 | * @param[in] ps_sps |
| 813 | * pointer to sps params referred by slice |
| 814 | * |
| 815 | * @param[out] ps_dup_bit_strm_ent_offset |
| 816 | * Bitstream struct to store bitstream state |
| 817 | * |
| 818 | * @param[out] pu4_first_slice_start_offset |
| 819 | * first slice offset is returned |
| 820 | * |
| 821 | * @return success or failure error code |
| 822 | * |
| 823 | ****************************************************************************** |
| 824 | */ |
| 825 | WORD32 ih264e_generate_slice_header(bitstrm_t *ps_bitstrm, |
| 826 | slice_header_t *ps_slice_hdr, |
| 827 | pps_t *ps_pps, |
| 828 | sps_t *ps_sps) |
| 829 | { |
| 830 | |
| 831 | WORD32 return_status = IH264E_SUCCESS; |
| 832 | |
| 833 | /* Insert start code */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 834 | return_status = ih264e_put_nal_start_code_prefix(ps_bitstrm, 1); |
| 835 | if(return_status != IH264E_SUCCESS) |
| 836 | { |
| 837 | return return_status; |
| 838 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 839 | /* Insert Nal Unit Header */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 840 | return_status = ih264e_generate_nal_unit_header(ps_bitstrm, ps_slice_hdr->i1_nal_unit_type, ps_slice_hdr->i1_nal_unit_idc); |
| 841 | if(return_status != IH264E_SUCCESS) |
| 842 | { |
| 843 | return return_status; |
| 844 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 845 | /* first_mb_in_slice */ |
| 846 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u2_first_mb_in_slice, return_status, "first_mb_in_slice"); |
| 847 | |
| 848 | /* slice_type */ |
| 849 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u1_slice_type, return_status, "slice_type"); |
| 850 | |
| 851 | /* pic_parameter_set_id */ |
| 852 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u1_pps_id, return_status, "pic_parameter_set_id"); |
| 853 | |
| 854 | /* frame_num */ |
| 855 | PUT_BITS(ps_bitstrm, ps_slice_hdr->i4_frame_num, ps_sps->i1_log2_max_frame_num, return_status, "frame_num"); |
| 856 | |
| 857 | if (!ps_sps->i1_frame_mbs_only_flag) |
| 858 | { |
| 859 | /* field_pic_flag */ |
| 860 | PUT_BITS(ps_bitstrm, ps_slice_hdr->i1_field_pic_flag, 1, return_status, "field_pic_flag"); |
| 861 | |
| 862 | if(ps_slice_hdr->i1_field_pic_flag) |
| 863 | { |
| 864 | /* bottom_field_flag */ |
| 865 | PUT_BITS(ps_bitstrm, ps_slice_hdr->i1_bottom_field_flag, 1, return_status, "bottom_field_flag"); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | if (ps_slice_hdr->i1_nal_unit_type == 5) |
| 870 | { |
| 871 | /* u2_idr_pic_id */ |
| 872 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u2_idr_pic_id, return_status, "u2_idr_pic_id"); |
| 873 | } |
| 874 | |
| 875 | if (ps_sps->i1_pic_order_cnt_type == 0) |
| 876 | { |
| 877 | /* pic_order_cnt_lsb */ |
| 878 | PUT_BITS(ps_bitstrm, ps_slice_hdr->i4_pic_order_cnt_lsb, ps_sps->i1_log2_max_pic_order_cnt_lsb, return_status, "pic_order_cnt_lsb"); |
| 879 | |
| 880 | if(ps_pps->u1_pic_order_present_flag && !ps_slice_hdr->i1_field_pic_flag) |
| 881 | { |
| 882 | /* delta_pic_order_cnt_bottom */ |
| 883 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->i4_delta_pic_order_cnt_bottom, return_status, "delta_pic_order_cnt_bottom"); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | if (ps_sps->i1_pic_order_cnt_type == 1 && !ps_sps->i1_delta_pic_order_always_zero_flag) |
| 888 | { |
| 889 | /* delta_pic_order_cnt[0] */ |
| 890 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->ai4_delta_pic_order_cnt[0], return_status, "delta_pic_order_cnt[0]"); |
| 891 | |
| 892 | if (ps_pps->u1_pic_order_present_flag && !ps_slice_hdr->i1_field_pic_flag) |
| 893 | { |
| 894 | /* delta_pic_order_cnt[1] */ |
| 895 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->ai4_delta_pic_order_cnt[1], return_status, "delta_pic_order_cnt[1]"); |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | if (ps_pps->i1_redundant_pic_cnt_present_flag) |
| 900 | { |
| 901 | /* redundant_pic_cnt */ |
| 902 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u1_redundant_pic_cnt, return_status, "redundant_pic_cnt"); |
| 903 | } |
| 904 | |
| 905 | if (ps_slice_hdr->u1_slice_type == BSLICE) |
| 906 | { |
| 907 | /* direct_spatial_mv_pred_flag */ |
| 908 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_direct_spatial_mv_pred_flag, 1, return_status, "direct_spatial_mv_pred_flag"); |
| 909 | } |
| 910 | |
| 911 | if (ps_slice_hdr->u1_slice_type == PSLICE || ps_slice_hdr->u1_slice_type == SPSLICE || ps_slice_hdr->u1_slice_type == BSLICE) |
| 912 | { |
| 913 | /* num_ref_idx_active_override_flag */ |
| 914 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_num_ref_idx_active_override_flag, 1, return_status, "num_ref_idx_active_override_flag"); |
| 915 | |
| 916 | if (ps_slice_hdr->u1_num_ref_idx_active_override_flag) |
| 917 | { |
| 918 | /* num_ref_idx_l0_active_minus1 */ |
| 919 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->i1_num_ref_idx_l0_active - 1, return_status, "num_ref_idx_l0_active_minus1"); |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 920 | |
| 921 | if (ps_slice_hdr->u1_slice_type == BSLICE) |
| 922 | { |
| 923 | /* num_ref_idx_l1_active_minus1 */ |
| 924 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->i1_num_ref_idx_l1_active - 1, return_status, "num_ref_idx_l1_active_minus1"); |
| 925 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | |
| 929 | /* ref_idx_reordering */ |
| 930 | /* TODO: ref_idx_reordering */ |
| 931 | if ((ps_slice_hdr->u1_slice_type != ISLICE) && (ps_slice_hdr->u1_slice_type != SISLICE)) |
| 932 | { |
| 933 | /* ref_pic_list_reordering_flag_l0 */ |
| 934 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_ref_idx_reordering_flag_l0, 1, return_status, "ref_pic_list_reordering_flag_l0"); |
| 935 | |
| 936 | if (ps_slice_hdr->u1_ref_idx_reordering_flag_l0) |
| 937 | { |
| 938 | |
| 939 | } |
| 940 | } |
| 941 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 942 | if (ps_slice_hdr->u1_slice_type == BSLICE) |
| 943 | { |
| 944 | /* ref_pic_list_reordering_flag_l1 */ |
| 945 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_ref_idx_reordering_flag_l1, 1, return_status, "ref_pic_list_reordering_flag_l1"); |
| 946 | |
| 947 | if (ps_slice_hdr->u1_ref_idx_reordering_flag_l1) |
| 948 | { |
| 949 | |
| 950 | } |
| 951 | } |
| 952 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 953 | if ((ps_pps->i1_weighted_pred_flag && |
| 954 | (ps_slice_hdr->u1_slice_type == PSLICE || ps_slice_hdr->u1_slice_type == SPSLICE)) || |
Martin Storsjo | d78b757 | 2015-06-08 15:07:59 +0300 | [diff] [blame] | 955 | (ps_slice_hdr->u1_slice_type == BSLICE && ps_pps->i1_weighted_bipred_idc == 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 956 | { |
| 957 | /* TODO_LATER: Currently there is no support for weighted prediction. |
| 958 | This needs to be updated when the support is added */ |
| 959 | } |
| 960 | |
| 961 | if (ps_slice_hdr->i1_nal_unit_idc != 0) |
| 962 | { |
| 963 | if (ps_slice_hdr->i1_nal_unit_type == 5) |
| 964 | { |
| 965 | /* no_output_of_prior_pics_flag */ |
| 966 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_no_output_of_prior_pics_flag , 1, return_status, "no_output_of_prior_pics_flag "); |
| 967 | |
| 968 | /* long_term_reference_flag */ |
| 969 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_long_term_reference_flag , 1, return_status, "long_term_reference_flag "); |
| 970 | } |
| 971 | else |
| 972 | { |
| 973 | /* adaptive_ref_pic_marking_mode_flag */ |
| 974 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_adaptive_ref_pic_marking_mode_flag , 1, return_status, "adaptive_ref_pic_marking_mode_flag "); |
| 975 | |
| 976 | if (ps_slice_hdr->u1_adaptive_ref_pic_marking_mode_flag) |
| 977 | { |
| 978 | /* TODO: if the reference picture marking mode is adaptive |
| 979 | add these fields in the bit-stream */ |
| 980 | } |
| 981 | } |
| 982 | } |
| 983 | |
| 984 | if (ps_slice_hdr->u1_entropy_coding_mode_flag && ps_slice_hdr->u1_slice_type != ISLICE && |
| 985 | ps_slice_hdr->u1_slice_type != SISLICE) |
| 986 | { |
| 987 | /* cabac_init_idc */ |
| 988 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->i1_cabac_init_idc, return_status, "cabac_init_idc"); |
| 989 | } |
| 990 | |
| 991 | /* slice_qp_delta */ |
| 992 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->i1_slice_qp - ps_pps->i1_pic_init_qp, return_status, "slice_qp_delta"); |
| 993 | |
| 994 | if (ps_slice_hdr->u1_slice_type == SPSLICE || ps_slice_hdr->u1_slice_type == SISLICE) |
| 995 | { |
| 996 | if (ps_slice_hdr->u1_slice_type == SPSLICE) |
| 997 | { |
| 998 | /* sp_for_switch_flag */ |
| 999 | PUT_BITS(ps_bitstrm, ps_slice_hdr->u1_sp_for_switch_flag , 1, return_status, "sp_for_switch_flag"); |
| 1000 | } |
| 1001 | /* slice_qs_delta */ |
| 1002 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->u1_slice_qs - ps_pps->i1_pic_init_qs, return_status, "slice_qs_delta"); |
| 1003 | } |
| 1004 | |
| 1005 | if (ps_pps->i1_deblocking_filter_control_present_flag) |
| 1006 | { |
| 1007 | /* disable_deblocking_filter_idc */ |
| 1008 | PUT_BITS_UEV(ps_bitstrm, ps_slice_hdr->u1_disable_deblocking_filter_idc, return_status, "disable_deblocking_filter_idc"); |
| 1009 | |
| 1010 | if(ps_slice_hdr->u1_disable_deblocking_filter_idc != 1) |
| 1011 | { |
| 1012 | /* slice_alpha_c0_offset_div2 */ |
| 1013 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->i1_slice_alpha_c0_offset_div2, return_status, "slice_alpha_c0_offset_div2"); |
| 1014 | |
| 1015 | /* slice_beta_offset_div2 */ |
| 1016 | PUT_BITS_SEV(ps_bitstrm, ps_slice_hdr->i1_slice_beta_offset_div2, return_status, "slice_beta_offset_div2"); |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | if (ps_slice_hdr->u1_num_slice_groups_minus1 > 0 && |
| 1021 | ps_pps->u1_slice_group_map_type >= 3 && |
| 1022 | ps_pps->u1_slice_group_map_type <= 5) |
| 1023 | { |
| 1024 | /* slice_group_change_cycle */ |
| 1025 | /* TODO_LATER: Currently the number of slice groups minus 1 is 0. |
| 1026 | * If this is not the case, we have to add Slice group map type to the bit stream */ |
| 1027 | } |
| 1028 | |
| 1029 | return return_status; |
| 1030 | } |
| 1031 | |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1032 | /** |
| 1033 | ****************************************************************************** |
| 1034 | * |
| 1035 | * @brief Populates VUI structure |
| 1036 | * |
| 1037 | * @par Description |
| 1038 | * Populates VUI structure for its use in header generation |
| 1039 | * |
| 1040 | * @param[in] ps_codec |
| 1041 | * pointer to encoder context |
| 1042 | * |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1043 | * @return success or failure error code |
| 1044 | * |
| 1045 | ****************************************************************************** |
| 1046 | */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 1047 | IH264E_ERROR_T ih264e_populate_vui(codec_t *ps_codec) |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1048 | { |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1049 | |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 1050 | vui_t *ps_vui = &ps_codec->s_cfg.s_vui; |
| 1051 | sps_t *ps_sps = ps_codec->ps_sps_base + ps_codec->i4_sps_id; |
| 1052 | |
| 1053 | |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1054 | ps_vui->u1_nal_hrd_parameters_present_flag = 0; |
| 1055 | ps_vui->u1_vcl_hrd_parameters_present_flag = 0; |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 1056 | |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1057 | ps_vui->u1_bitstream_restriction_flag = 1; |
| 1058 | ps_vui->u1_motion_vectors_over_pic_boundaries_flag = 1; |
| 1059 | ps_vui->u1_max_bytes_per_pic_denom = 0; |
| 1060 | ps_vui->u1_max_bits_per_mb_denom = 0; |
| 1061 | ps_vui->u1_log2_max_mv_length_horizontal = 16; |
| 1062 | ps_vui->u1_log2_max_mv_length_vertical = 16; |
| 1063 | |
| 1064 | if(ps_codec->s_cfg.u4_num_bframes == 0) |
| 1065 | { |
| 1066 | ps_vui->u1_num_reorder_frames = 0; |
| 1067 | } |
| 1068 | else |
| 1069 | { |
| 1070 | ps_vui->u1_num_reorder_frames = 1; |
| 1071 | } |
| 1072 | |
| 1073 | ps_vui->u1_max_dec_frame_buffering = ps_sps->u1_max_num_ref_frames; |
| 1074 | |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 1075 | |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1076 | return 0; |
| 1077 | } |
| 1078 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1079 | |
| 1080 | |
| 1081 | /** |
| 1082 | ****************************************************************************** |
| 1083 | * |
| 1084 | * @brief Populates sps structure |
| 1085 | * |
| 1086 | * @par Description |
| 1087 | * Populates sps structure for its use in header generation |
| 1088 | * |
| 1089 | * @param[in] ps_codec |
| 1090 | * pointer to encoder context |
| 1091 | * |
| 1092 | * @param[out] ps_sps |
| 1093 | * pointer to sps params that needs to be populated |
| 1094 | * |
| 1095 | * @return success or failure error code |
| 1096 | * |
| 1097 | ****************************************************************************** |
| 1098 | */ |
| 1099 | IH264E_ERROR_T ih264e_populate_sps(codec_t *ps_codec, sps_t *ps_sps) |
| 1100 | { |
| 1101 | /* active config parameters */ |
| 1102 | cfg_params_t *ps_cfg = &(ps_codec->s_cfg); |
| 1103 | |
| 1104 | // /* level */ |
| 1105 | // IH264_LEVEL_T level_idc; |
| 1106 | |
| 1107 | /* error_status */ |
| 1108 | IH264E_ERROR_T i4_err_code = IH264E_FAIL; |
| 1109 | |
| 1110 | /* profile */ |
| 1111 | /* |
| 1112 | * Baseline profile supports, 8 bits per sample, 4:2:0 format, CAVLC. |
| 1113 | * B frames are not allowed. Further, Flexible mb ordering, Redundant slices, Arbitrary slice ordering are supported. |
| 1114 | * The constrained baseline profile is baseline profile minus ASO, FMO and redundant slices. |
| 1115 | * To the constrained baseline profile if we add support for B slices, support for encoding interlaced frames, |
| 1116 | * support for weighted prediction and introduce CABAC entropy coding then we have Main Profile. |
| 1117 | */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1118 | if ((ps_cfg->u4_num_bframes) || (ps_cfg->e_content_type != IV_PROGRESSIVE) || |
| 1119 | (ps_cfg->u4_entropy_coding_mode == CABAC) || (ps_cfg->u4_weighted_prediction)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1120 | { |
| 1121 | ps_sps->u1_profile_idc = IH264_PROFILE_MAIN; |
| 1122 | } |
| 1123 | else |
| 1124 | { |
| 1125 | ps_sps->u1_profile_idc = IH264_PROFILE_BASELINE; |
| 1126 | } |
| 1127 | |
| 1128 | /* level */ |
Harinarayanan K K | 6cb6772 | 2015-06-19 14:44:42 +0530 | [diff] [blame] | 1129 | ps_sps->u1_level_idc = MAX(ps_cfg->u4_max_level, |
| 1130 | (UWORD32)ih264e_get_min_level(ps_cfg->u4_max_wd, ps_cfg->u4_max_ht)); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1131 | |
| 1132 | /* constrained flags */ |
| 1133 | /* |
| 1134 | * baseline profile automatically implies set 0 flag |
| 1135 | */ |
| 1136 | ps_sps->u1_constraint_set0_flag = (ps_sps->u1_profile_idc == IH264_PROFILE_BASELINE); |
| 1137 | /* |
| 1138 | * main profile automatically implies set 1 flag |
| 1139 | * Although the encoder says it supports Baseline profile it actually supports constrained |
| 1140 | * baseline profile as ASO, FMO and redundant slices are not supported |
| 1141 | */ |
| 1142 | ps_sps->u1_constraint_set1_flag = (ps_sps->u1_profile_idc <= IH264_PROFILE_MAIN); |
| 1143 | /* |
| 1144 | * extended profile is not supported |
| 1145 | */ |
| 1146 | ps_sps->u1_constraint_set2_flag = 0x00; |
| 1147 | /* |
| 1148 | * level 1b or level 11 |
| 1149 | */ |
| 1150 | if (ps_sps->u1_level_idc == IH264_LEVEL_1B) |
| 1151 | { |
| 1152 | ps_sps->u1_constraint_set3_flag = 0; |
| 1153 | ps_sps->u1_level_idc = IH264_LEVEL_11; |
| 1154 | } |
| 1155 | else |
| 1156 | { |
| 1157 | ps_sps->u1_constraint_set3_flag = 0; |
| 1158 | } |
| 1159 | |
| 1160 | /* active sps id */ |
| 1161 | ps_sps->u1_sps_id = ps_codec->i4_sps_id; |
| 1162 | |
| 1163 | if (ps_sps->u1_profile_idc >= IH264_PROFILE_HIGH) |
| 1164 | { |
| 1165 | /* chroma format idc */ |
| 1166 | ps_sps->u1_chroma_format_idc = CHROMA_FMT_IDC_YUV420; |
| 1167 | |
| 1168 | /* residual_colour_transform_flag */ |
| 1169 | ps_sps->i1_residual_colour_transform_flag = 0; |
| 1170 | |
| 1171 | /* luma bit depth 8 */ |
| 1172 | ps_sps->i1_bit_depth_luma = 8; |
| 1173 | |
| 1174 | /* chroma bit depth 8 */ |
| 1175 | ps_sps->i1_bit_depth_chroma = 8; |
| 1176 | |
| 1177 | /* qpprime_y_zero_transform_bypass_flag */ |
| 1178 | ps_sps->i1_qpprime_y_zero_transform_bypass_flag = 0; |
| 1179 | |
| 1180 | /* seq_scaling_matrix_present_flag */ |
| 1181 | ps_sps->i1_seq_scaling_matrix_present_flag = 0; |
| 1182 | |
| 1183 | if (ps_sps->i1_seq_scaling_matrix_present_flag) |
| 1184 | { |
| 1185 | /* TODO_LATER: Will be enabled once scaling list support is added */ |
| 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | /* log2_max_frame_num_minus4 */ |
| 1190 | ps_sps->i1_log2_max_frame_num = 16; |
| 1191 | |
| 1192 | /* pic_order_cnt_type */ |
| 1193 | ps_sps->i1_pic_order_cnt_type = 2; |
| 1194 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1195 | if (ps_codec->i4_non_ref_frames_in_stream) |
| 1196 | { |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1197 | ps_sps->i1_pic_order_cnt_type = 0; |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1198 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1199 | |
| 1200 | /* log2_max_pic_order_cnt_lsb_minus4 */ |
| 1201 | ps_sps->i1_log2_max_pic_order_cnt_lsb = 8; |
| 1202 | |
| 1203 | /* TODO : add support for other poc types */ |
| 1204 | if (ps_sps->i1_pic_order_cnt_type == 0) |
| 1205 | { |
| 1206 | |
| 1207 | } |
| 1208 | else if (ps_sps->i1_pic_order_cnt_type == 1) |
| 1209 | { |
| 1210 | |
| 1211 | } |
| 1212 | |
| 1213 | /* num_ref_frames */ |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1214 | /* TODO : Should we have a flexible num ref frames */ |
| 1215 | if (ps_codec->s_cfg.u4_num_bframes > 0) |
| 1216 | { |
| 1217 | ps_sps->u1_max_num_ref_frames = 2; |
| 1218 | } |
| 1219 | else |
| 1220 | { |
| 1221 | ps_sps->u1_max_num_ref_frames = 1; |
| 1222 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1223 | |
| 1224 | /* gaps_in_frame_num_value_allowed_flag */ |
| 1225 | ps_sps->i1_gaps_in_frame_num_value_allowed_flag = 0; |
| 1226 | |
| 1227 | /* pic width in mb - 1 */ |
| 1228 | ps_sps->i2_pic_width_in_mbs_minus1 = ps_cfg->i4_wd_mbs - 1; |
| 1229 | |
| 1230 | /* pic height in mb - 1 */ |
| 1231 | ps_sps->i2_pic_height_in_map_units_minus1 = ps_cfg->i4_ht_mbs - 1;; |
| 1232 | |
| 1233 | /* frame_mbs_only_flag, no support for interlace encoding */ |
| 1234 | ps_sps->i1_frame_mbs_only_flag = 1; |
| 1235 | |
| 1236 | /* mb_adaptive_frame_field_flag */ |
| 1237 | if (ps_sps->i1_frame_mbs_only_flag == 0) |
| 1238 | { |
| 1239 | ps_sps->i1_mb_adaptive_frame_field_flag = 0; |
| 1240 | } |
| 1241 | |
| 1242 | /* direct_8x8_inference_flag */ |
Harish Mahendrakar | 7f1e3b7 | 2016-02-03 11:03:44 +0530 | [diff] [blame] | 1243 | if (ps_sps->u1_level_idc < IH264_LEVEL_30) |
| 1244 | { |
| 1245 | ps_sps->i1_direct_8x8_inference_flag = 0; |
| 1246 | } |
| 1247 | else |
| 1248 | { |
| 1249 | ps_sps->i1_direct_8x8_inference_flag = 1; |
| 1250 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1251 | |
| 1252 | /* cropping params */ |
| 1253 | /*NOTE : Cropping values depend on the chroma format |
| 1254 | * For our case ,decoder interprets the cropping values as 2*num pixels |
| 1255 | * Hence the difference in the disp width and width must be halved before sending |
| 1256 | * to get the expected results |
| 1257 | */ |
| 1258 | ps_sps->i1_frame_cropping_flag = 0; |
| 1259 | ps_sps->i2_frame_crop_left_offset = 0; |
| 1260 | ps_sps->i2_frame_crop_right_offset = (ps_codec->s_cfg.u4_wd - ps_codec->s_cfg.u4_disp_wd)>>1; |
| 1261 | ps_sps->i2_frame_crop_top_offset = 0; |
| 1262 | ps_sps->i2_frame_crop_bottom_offset = (ps_codec->s_cfg.u4_ht - ps_codec->s_cfg.u4_disp_ht)>>1; |
| 1263 | |
| 1264 | if (ps_sps->i2_frame_crop_left_offset || |
| 1265 | ps_sps->i2_frame_crop_right_offset || |
| 1266 | ps_sps->i2_frame_crop_top_offset || |
| 1267 | ps_sps->i2_frame_crop_bottom_offset) |
| 1268 | { |
| 1269 | ps_sps->i1_frame_cropping_flag = 1; |
| 1270 | } |
| 1271 | |
| 1272 | /* vui params */ |
Hamsalekha S | 4202606 | 2015-07-30 16:20:35 +0530 | [diff] [blame] | 1273 | ps_sps->i1_vui_parameters_present_flag = 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1274 | |
| 1275 | if (ps_sps->i1_vui_parameters_present_flag) |
| 1276 | { |
| 1277 | /* populate vui params */ |
Doney Alex | 983e1ae | 2016-03-30 17:31:26 +0530 | [diff] [blame] | 1278 | ih264e_populate_vui(ps_codec); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | return i4_err_code; |
| 1282 | } |
| 1283 | |
| 1284 | /** |
| 1285 | ****************************************************************************** |
| 1286 | * |
| 1287 | * @brief Populates pps structure |
| 1288 | * |
| 1289 | * @par Description |
| 1290 | * Populates pps structure for its use in header generation |
| 1291 | * |
| 1292 | * @param[in] ps_codec |
| 1293 | * pointer to encoder context |
| 1294 | * |
| 1295 | * @param[out] ps_pps |
| 1296 | * pointer to pps params that needs to be populated |
| 1297 | * |
| 1298 | * @return success or failure error code |
| 1299 | * |
| 1300 | ****************************************************************************** |
| 1301 | */ |
| 1302 | IH264E_ERROR_T ih264e_populate_pps(codec_t *ps_codec, pps_t *ps_pps) |
| 1303 | { |
| 1304 | /* active config parameters */ |
| 1305 | cfg_params_t *ps_cfg = &(ps_codec->s_cfg); |
| 1306 | |
| 1307 | /* seq_parameter_set_id */ |
| 1308 | ps_pps->u1_sps_id = ps_codec->i4_sps_id; |
| 1309 | |
| 1310 | /* pic_parameter_set_id */ |
| 1311 | ps_pps->u1_pps_id = ps_codec->i4_pps_id; |
| 1312 | |
| 1313 | /* entropy_coding_mode */ |
| 1314 | ps_pps->u1_entropy_coding_mode_flag = ps_cfg->u4_entropy_coding_mode; |
| 1315 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1316 | /* pic_order_present_flag is unset if we don't have feilds */ |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1317 | ps_pps->u1_pic_order_present_flag = 0; |
| 1318 | |
| 1319 | /* Currently number of slice groups supported are 1 */ |
| 1320 | ps_pps->u1_num_slice_groups = 1; |
| 1321 | |
| 1322 | if (ps_pps->u1_num_slice_groups - 1) |
| 1323 | { |
| 1324 | /* TODO_LATER: Currently the number of slice groups minus 1 is 0. |
| 1325 | * If this is not the case, we have to add Slice group map type to the bit stream*/ |
| 1326 | } |
| 1327 | |
| 1328 | /* number of reference frames for list 0 */ |
| 1329 | /* FIXME : fix this hard coded value */ |
| 1330 | ps_pps->i1_num_ref_idx_l0_default_active = 1; |
| 1331 | |
| 1332 | /* number of reference frames for list 1 */ |
| 1333 | ps_pps->i1_num_ref_idx_l1_default_active = 1; |
| 1334 | |
| 1335 | /* weighted prediction for now is disabled */ |
| 1336 | ps_pps->i1_weighted_pred_flag = 0; |
| 1337 | ps_pps->i1_weighted_bipred_idc = 0; |
| 1338 | |
| 1339 | /* The intent is to not signal qp from pps. Rather send the same in slice headers */ |
| 1340 | ps_pps->i1_pic_init_qp = 0; |
| 1341 | |
| 1342 | /* The intent is to not signal qp from pps. Rather send the same in slice headers */ |
| 1343 | ps_pps->i1_pic_init_qs = 0; |
| 1344 | |
| 1345 | /* The intent is to not signal qp from pps. Rather send the same in slice headers */ |
| 1346 | ps_pps->i1_chroma_qp_index_offset = 0; |
| 1347 | |
| 1348 | /* deblocking filter flags present in slice header */ |
| 1349 | ps_pps->i1_deblocking_filter_control_present_flag = 1; |
| 1350 | |
| 1351 | /* constrained intra prediction */ |
| 1352 | ps_pps->i1_constrained_intra_pred_flag = ps_cfg->u4_constrained_intra_pred; |
| 1353 | |
| 1354 | /* sending redundant slices is not supported for now */ |
| 1355 | ps_pps->i1_redundant_pic_cnt_present_flag = 0; |
| 1356 | |
| 1357 | ps_pps->u1_slice_group_map_type = 0; |
| 1358 | return IH264E_SUCCESS; |
| 1359 | } |
| 1360 | |
| 1361 | /** |
| 1362 | ****************************************************************************** |
| 1363 | * |
| 1364 | * @brief Populates slice header structure |
| 1365 | * |
| 1366 | * @par Description |
| 1367 | * Populates slice header structure for its use in header generation |
| 1368 | * |
| 1369 | * @param[in] ps_proc |
| 1370 | * pointer to proc context |
| 1371 | * |
| 1372 | * @param[out] ps_slice_hdr |
| 1373 | * pointer to slice header structure that needs to be populated |
| 1374 | * |
| 1375 | * @param[in] ps_pps |
| 1376 | * pointer to pps params structure referred by the slice |
| 1377 | * |
| 1378 | * @param[in] ps_sps |
| 1379 | * pointer to sps params referred by the pps |
| 1380 | * |
| 1381 | * @return success or failure error code |
| 1382 | * |
| 1383 | ****************************************************************************** |
| 1384 | */ |
| 1385 | WORD32 ih264e_populate_slice_header(process_ctxt_t *ps_proc, |
| 1386 | slice_header_t *ps_slice_hdr, |
| 1387 | pps_t *ps_pps, |
| 1388 | sps_t *ps_sps) |
| 1389 | { |
| 1390 | /* entropy context */ |
| 1391 | entropy_ctxt_t *ps_entropy = &ps_proc->s_entropy; |
| 1392 | |
| 1393 | codec_t *ps_codec = ps_proc->ps_codec; |
| 1394 | |
| 1395 | if (ps_proc->ps_codec->u4_is_curr_frm_ref) |
| 1396 | { |
| 1397 | ps_slice_hdr->i1_nal_unit_idc = 3; |
| 1398 | } |
| 1399 | else |
| 1400 | { |
| 1401 | ps_slice_hdr->i1_nal_unit_idc = 0; |
| 1402 | } |
| 1403 | |
| 1404 | /* start mb address */ |
| 1405 | ps_slice_hdr->u2_first_mb_in_slice = ps_entropy->i4_mb_start_add; |
| 1406 | |
| 1407 | /* slice type */ |
| 1408 | ps_slice_hdr->u1_slice_type = ps_proc->i4_slice_type; |
| 1409 | |
| 1410 | /* pic_parameter_set_id */ |
| 1411 | ps_slice_hdr->u1_pps_id = ps_pps->u1_pps_id; |
| 1412 | |
| 1413 | /* Separate color plane flag is 0, |
| 1414 | * hence the syntax element color_plane_id not included */ |
| 1415 | |
| 1416 | /* frame num */ |
| 1417 | ps_slice_hdr->i4_frame_num = ps_proc->i4_frame_num; |
| 1418 | |
| 1419 | /* frame_mbs_only_flag, no support for interlace encoding */ |
| 1420 | if (!ps_sps->i1_frame_mbs_only_flag) |
| 1421 | { |
| 1422 | ps_slice_hdr->i1_field_pic_flag = 0; |
| 1423 | |
| 1424 | if (ps_slice_hdr->i1_field_pic_flag) |
| 1425 | { |
| 1426 | ps_slice_hdr->i1_bottom_field_flag = 0; |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | /* idr pic id */ |
| 1431 | if (ps_proc->u4_is_idr) |
| 1432 | { |
| 1433 | ps_slice_hdr->u2_idr_pic_id = ps_proc->u4_idr_pic_id; |
| 1434 | ps_slice_hdr->i1_nal_unit_type = 5; |
| 1435 | } |
| 1436 | else |
| 1437 | { |
| 1438 | ps_slice_hdr->i1_nal_unit_type = 1; |
| 1439 | } |
| 1440 | |
| 1441 | if (ps_sps->i1_pic_order_cnt_type == 0) |
| 1442 | { |
| 1443 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1444 | WORD32 i4_poc; |
| 1445 | i4_poc = ps_codec->i4_poc; |
| 1446 | i4_poc %= (1 << ps_sps->i1_log2_max_pic_order_cnt_lsb); |
| 1447 | ps_slice_hdr->i4_pic_order_cnt_lsb = i4_poc; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1448 | } |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1449 | /* TODO add support for poc type 1 */ |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1450 | else if (ps_sps->i1_pic_order_cnt_type == 1) |
| 1451 | { |
| 1452 | |
| 1453 | } |
| 1454 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1455 | |
| 1456 | /* |
| 1457 | * redundant slices are not currently supported. |
| 1458 | * Hence the syntax element redundant slice cnt is not initialized |
| 1459 | */ |
| 1460 | if (ps_pps->i1_redundant_pic_cnt_present_flag) |
| 1461 | { |
| 1462 | |
| 1463 | } |
| 1464 | |
| 1465 | /* direct spatial mv pred flag */ |
| 1466 | if (ps_proc->i4_slice_type == BSLICE) |
| 1467 | { |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1468 | ps_slice_hdr->u1_direct_spatial_mv_pred_flag = 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1469 | } |
| 1470 | |
| 1471 | if (ps_proc->i4_slice_type == PSLICE || ps_proc->i4_slice_type == SPSLICE || ps_proc->i4_slice_type == BSLICE) |
| 1472 | { |
| 1473 | /* num_ref_idx_active_override_flag */ |
| 1474 | ps_slice_hdr->u1_num_ref_idx_active_override_flag = 0; |
| 1475 | |
| 1476 | if (ps_slice_hdr->u1_num_ref_idx_active_override_flag) |
| 1477 | { |
| 1478 | /* num_ref_idx_l0_active_minus1 */ |
| 1479 | |
| 1480 | if (ps_proc->i4_slice_type == BSLICE) |
| 1481 | { |
| 1482 | /* num_ref_idx_l1_active_minus1 */ |
| 1483 | |
| 1484 | } |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | /* ref_idx_reordering */ |
| 1489 | /* TODO: ref_idx_reordering */ |
| 1490 | if ((ps_proc->i4_slice_type != ISLICE) && (ps_proc->i4_slice_type != SISLICE)) |
| 1491 | { |
| 1492 | /* ref_pic_list_reordering_flag_l0 */ |
| 1493 | ps_slice_hdr->u1_ref_idx_reordering_flag_l0 = 0; |
| 1494 | |
| 1495 | if (ps_slice_hdr->u1_ref_idx_reordering_flag_l0) |
| 1496 | { |
| 1497 | |
| 1498 | } |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1499 | |
| 1500 | /* ref_pic_list_reordering_flag_l1 */ |
| 1501 | ps_slice_hdr->u1_ref_idx_reordering_flag_l1 = 0; |
| 1502 | |
| 1503 | if (ps_slice_hdr->u1_ref_idx_reordering_flag_l1) |
| 1504 | { |
| 1505 | |
| 1506 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1507 | } |
| 1508 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1509 | |
| 1510 | /* Currently we do not support weighted pred */ |
| 1511 | /* ps_slice_hdr->u1_weighted_bipred_idc = 0; */ |
| 1512 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1513 | if ((ps_pps->i1_weighted_pred_flag && |
| 1514 | (ps_proc->i4_slice_type == PSLICE || ps_proc->i4_slice_type == SPSLICE)) || |
Martin Storsjo | d78b757 | 2015-06-08 15:07:59 +0300 | [diff] [blame] | 1515 | (ps_proc->i4_slice_type == BSLICE && ps_pps->i1_weighted_bipred_idc == 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1516 | { |
| 1517 | /* TODO_LATER: Currently there is no support for weighted prediction. |
| 1518 | This needs to be updated when the support is added */ |
| 1519 | } |
| 1520 | |
| 1521 | if (ps_slice_hdr->i1_nal_unit_idc != 0) |
| 1522 | { |
| 1523 | if (ps_slice_hdr->i1_nal_unit_type == 5) |
| 1524 | { |
| 1525 | /* no_output_of_prior_pics_flag */ |
| 1526 | ps_slice_hdr->u1_no_output_of_prior_pics_flag = 0; |
| 1527 | |
| 1528 | /* long_term_reference_flag */ |
| 1529 | ps_slice_hdr->u1_long_term_reference_flag = 0; |
| 1530 | } |
| 1531 | else |
| 1532 | { |
| 1533 | /* adaptive_ref_pic_marking_mode_flag */ |
| 1534 | ps_slice_hdr->u1_adaptive_ref_pic_marking_mode_flag = 0; |
| 1535 | |
| 1536 | if (ps_slice_hdr->u1_adaptive_ref_pic_marking_mode_flag) |
| 1537 | { |
| 1538 | /* TODO: if the reference picture marking mode is adaptive |
| 1539 | add these fields in the bit-stream */ |
| 1540 | } |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | /* entropy coding mode flag */ |
| 1545 | ps_slice_hdr->u1_entropy_coding_mode_flag = ps_entropy->u1_entropy_coding_mode_flag; |
| 1546 | |
| 1547 | if (ps_slice_hdr->u1_entropy_coding_mode_flag && ps_proc->i4_slice_type != ISLICE && |
| 1548 | ps_proc->i4_slice_type != SISLICE) |
| 1549 | { |
| 1550 | /* cabac_init_idc */ |
| 1551 | } |
| 1552 | |
| 1553 | /* slice qp */ |
| 1554 | ps_slice_hdr->i1_slice_qp = ps_proc->u4_frame_qp; |
| 1555 | |
| 1556 | if (ps_proc->i4_slice_type == SPSLICE || ps_proc->i4_slice_type == SISLICE) |
| 1557 | { |
| 1558 | if (ps_proc->i4_slice_type == SPSLICE) |
| 1559 | { |
| 1560 | /* sp_for_switch_flag */ |
| 1561 | } |
| 1562 | /* slice_qs_delta */ |
| 1563 | } |
| 1564 | |
| 1565 | if (ps_pps->i1_deblocking_filter_control_present_flag) |
| 1566 | { |
| 1567 | /* disable_deblocking_filter_idc */ |
| 1568 | ps_slice_hdr->u1_disable_deblocking_filter_idc = ps_proc->u4_disable_deblock_level; |
| 1569 | |
| 1570 | if (ps_slice_hdr->u1_disable_deblocking_filter_idc != 1) |
| 1571 | { |
| 1572 | /* slice_alpha_c0_offset_div2 */ |
| 1573 | ps_slice_hdr->i1_slice_alpha_c0_offset_div2 = 0; |
| 1574 | |
| 1575 | /* slice_beta_offset_div2 */ |
| 1576 | ps_slice_hdr->i1_slice_beta_offset_div2 = 0; |
| 1577 | } |
| 1578 | } |
| 1579 | ps_slice_hdr->u1_num_slice_groups_minus1 = 0; |
| 1580 | if(ps_slice_hdr->u1_num_slice_groups_minus1 > 0 && |
| 1581 | ps_pps->u1_slice_group_map_type >= 3 && |
| 1582 | ps_pps->u1_slice_group_map_type <= 5) |
| 1583 | { |
| 1584 | /* slice_group_change_cycle */ |
| 1585 | /* TODO_LATER: Currently the number of slice groups minus 1 is 0. |
| 1586 | * If this is not the case, we have to add Slice group map type to the bit stream */ |
| 1587 | } |
| 1588 | |
Harinarayanan K K | 134291e | 2015-06-18 16:03:38 +0530 | [diff] [blame] | 1589 | ps_slice_hdr->i1_cabac_init_idc = CABAC_INIT_IDC; |
| 1590 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1591 | return IH264E_SUCCESS; |
| 1592 | } |
| 1593 | |
| 1594 | /** |
| 1595 | ****************************************************************************** |
| 1596 | * |
| 1597 | * @brief inserts FILLER Nal Unit. |
| 1598 | * |
| 1599 | * @par Description |
| 1600 | * In constant bit rate rc mode, when the bits generated by the codec is |
| 1601 | * underflowing the target bit rate, the encoder library inserts filler nal unit. |
| 1602 | * |
| 1603 | * @param[in] ps_bitstrm |
| 1604 | * pointer to bitstream context (handle) |
| 1605 | * |
| 1606 | * @param[in] insert_fill_bytes |
| 1607 | * Number of fill bytes to be inserted |
| 1608 | * |
| 1609 | * @return success or failure error code |
| 1610 | * |
| 1611 | ****************************************************************************** |
| 1612 | */ |
| 1613 | IH264E_ERROR_T ih264e_add_filler_nal_unit(bitstrm_t *ps_bitstrm, |
| 1614 | WORD32 insert_fill_bytes) |
| 1615 | { |
| 1616 | WORD32 i4_num_words_to_fill, i4_words_filled; |
| 1617 | |
| 1618 | IH264E_ERROR_T return_status = IH264E_SUCCESS; |
| 1619 | |
| 1620 | /* Insert the NAL start code */ |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 1621 | return_status = ih264e_put_nal_start_code_prefix(ps_bitstrm, 1); |
| 1622 | if(return_status != IH264E_SUCCESS) |
| 1623 | { |
| 1624 | return return_status; |
| 1625 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1626 | |
| 1627 | if (ps_bitstrm->u4_strm_buf_offset + insert_fill_bytes >= ps_bitstrm->u4_max_strm_size) |
| 1628 | { |
| 1629 | return (IH264E_BITSTREAM_BUFFER_OVERFLOW); |
| 1630 | } |
| 1631 | |
| 1632 | /* Insert Nal Unit Header */ |
| 1633 | PUT_BITS(ps_bitstrm, NAL_FILLER_FIRST_BYTE, 8, return_status, "filler_header"); |
| 1634 | |
| 1635 | PUT_BITS(ps_bitstrm, 0xFFFFFF, 24, return_status, "fill bytes"); |
| 1636 | |
| 1637 | /* Initializing Variables */ |
| 1638 | i4_words_filled = 1; |
| 1639 | |
| 1640 | /****************************************************/ |
| 1641 | /* Flooring the number of bytes for be stuffed to */ |
| 1642 | /* WORD unit */ |
| 1643 | /****************************************************/ |
| 1644 | i4_num_words_to_fill = (insert_fill_bytes >> 2); |
| 1645 | |
| 1646 | /****************************************************/ |
| 1647 | /* Reducing already 4 bytes filled. In case stuffing*/ |
| 1648 | /* is <= 4 bytes, we are actually not stuffing */ |
| 1649 | /* anything */ |
| 1650 | /****************************************************/ |
| 1651 | i4_num_words_to_fill -= i4_words_filled; |
| 1652 | |
| 1653 | while (i4_num_words_to_fill > 0) |
| 1654 | { |
| 1655 | /* Insert Nal Unit Header */ |
| 1656 | PUT_BITS(ps_bitstrm, 0xFFFFFFFF, 32, return_status, "fill bytes"); |
| 1657 | |
| 1658 | i4_num_words_to_fill-- ; |
| 1659 | } |
| 1660 | |
Chamarthi Kishore | 95a2113 | 2019-10-11 18:53:50 +0530 | [diff] [blame] | 1661 | return_status = ih264e_put_rbsp_trailing_bits(ps_bitstrm); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1662 | |
| 1663 | return return_status; |
| 1664 | } |
| 1665 | |