1 /* Gstreamer 2 * Copyright (C) <2011> Intel Corporation 3 * Copyright (C) <2011> Collabora Ltd. 4 * Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com> 5 * 6 * Some bits C-c,C-v'ed and s/4/3 from h264parse and videoparsers/h264parse.c: 7 * Copyright (C) <2010> Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk> 8 * Copyright (C) <2010> Collabora Multimedia 9 * Copyright (C) <2010> Nokia Corporation 10 * 11 * (C) 2005 Michal Benes <michal.benes@itonis.tv> 12 * (C) 2008 Wim Taymans <wim.taymans@gmail.com> 13 * 14 * This library is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU Library General Public 16 * License as published by the Free Software Foundation; either 17 * version 2 of the License, or (at your option) any later version. 18 * 19 * This library is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22 * Library General Public License for more details. 23 * 24 * You should have received a copy of the GNU Library General Public 25 * License along with this library; if not, write to the 26 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 27 * Boston, MA 02110-1301, USA. 28 */ 29 30 #ifndef __GST_H264_PARSER_H__ 31 #define __GST_H264_PARSER_H__ 32 33 #ifndef GST_USE_UNSTABLE_API 34 #warning "The H.264 parsing library is unstable API and may change in future." 35 #warning "You can define GST_USE_UNSTABLE_API to avoid this warning." 36 #endif 37 38 #include <gst/gst.h> 39 #include <gst/codecparsers/codecparsers-prelude.h> 40 41 G_BEGIN_DECLS 42 43 #define GST_H264_MAX_SPS_COUNT 32 44 #define GST_H264_MAX_PPS_COUNT 256 45 #define GST_H264_MAX_VIEW_COUNT 1024 46 #define GST_H264_MAX_VIEW_ID (GST_H264_MAX_VIEW_COUNT - 1) 47 48 #define GST_H264_IS_P_SLICE(slice) (((slice)->type % 5) == GST_H264_P_SLICE) 49 #define GST_H264_IS_B_SLICE(slice) (((slice)->type % 5) == GST_H264_B_SLICE) 50 #define GST_H264_IS_I_SLICE(slice) (((slice)->type % 5) == GST_H264_I_SLICE) 51 #define GST_H264_IS_SP_SLICE(slice) (((slice)->type % 5) == GST_H264_SP_SLICE) 52 #define GST_H264_IS_SI_SLICE(slice) (((slice)->type % 5) == GST_H264_SI_SLICE) 53 54 /** 55 * GST_H264_IS_SVC_NALU: 56 * @nalu: a #GstH264NalUnit 57 * 58 * Check if @nalu is a scalable extension NAL unit. 59 * 60 * Since: 1.6 61 */ 62 #define GST_H264_IS_SVC_NALU(nalu) \ 63 ((nalu)->extension_type == GST_H264_NAL_EXTENSION_SVC) 64 65 /** 66 * GST_H264_IS_MVC_NALU: 67 * @nalu: a #GstH264NalUnit 68 * 69 * Check if @nalu is a multiview extension NAL unit. 70 * 71 * Since: 1.6 72 */ 73 #define GST_H264_IS_MVC_NALU(nalu) \ 74 ((nalu)->extension_type == GST_H264_NAL_EXTENSION_MVC) 75 76 /** 77 * GstH264Profile: 78 * @GST_H264_PROFILE_BASELINE: Baseline profile (A.2.1) 79 * @GST_H264_PROFILE_MAIN: Main profile (A.2.2) 80 * @GST_H264_PROFILE_EXTENDED: Extended profile (A.2.3) 81 * @GST_H264_PROFILE_HIGH: High profile (A.2.4), 82 * or Progressive High profile (A.2.4.1), or Constrained High profile (A.2.4.2) 83 * depending on constraint_set4_flag and constraint_set5_flag 84 * @GST_H264_PROFILE_HIGH10: High 10 profile (A.2.5) or High 10 Intra 85 * profile (A.2.8), or Progressive High 10 profile (A.2.5.1) depending on 86 * constraint_set3_flag and constraint_set4_flag 87 * @GST_H264_PROFILE_HIGH_422: High 4:2:2 profile (A.2.6) or High 88 * 4:2:2 Intra profile (A.2.9), depending on constraint_set3_flag 89 * @GST_H264_PROFILE_HIGH_444: High 4:4:4 Predictive profile (A.2.7) 90 * or High 4:4:4 Intra profile (A.2.10), depending on the value of 91 * constraint_set3_flag 92 * @GST_H264_PROFILE_MULTIVIEW_HIGH: Multiview High profile (H.10.1.1) 93 * @GST_H264_PROFILE_STEREO_HIGH: Stereo High profile (H.10.1.2) 94 * @GST_H264_PROFILE_SCALABLE_BASELINE: Scalable Baseline profile (G.10.1.1) 95 * @GST_H264_PROFILE_SCALABLE_HIGH: Scalable High profile (G.10.1.2) 96 * or Scalable High Intra profile (G.10.1.3), depending on the value 97 * of constraint_set3_flag 98 * 99 * H.264 Profiles. 100 * 101 * Since: 1.2 102 */ 103 typedef enum { 104 GST_H264_PROFILE_BASELINE = 66, 105 GST_H264_PROFILE_MAIN = 77, 106 GST_H264_PROFILE_EXTENDED = 88, 107 GST_H264_PROFILE_HIGH = 100, 108 GST_H264_PROFILE_HIGH10 = 110, 109 GST_H264_PROFILE_HIGH_422 = 122, 110 GST_H264_PROFILE_HIGH_444 = 244, 111 GST_H264_PROFILE_MULTIVIEW_HIGH = 118, 112 GST_H264_PROFILE_STEREO_HIGH = 128, 113 GST_H264_PROFILE_SCALABLE_BASELINE = 83, 114 GST_H264_PROFILE_SCALABLE_HIGH = 86 115 } GstH264Profile; 116 117 /** 118 * GstH264NalUnitType: 119 * @GST_H264_NAL_UNKNOWN: Unknown nal type 120 * @GST_H264_NAL_SLICE: Slice nal 121 * @GST_H264_NAL_SLICE_DPA: DPA slice nal 122 * @GST_H264_NAL_SLICE_DPB: DPB slice nal 123 * @GST_H264_NAL_SLICE_DPC: DPC slice nal 124 * @GST_H264_NAL_SLICE_IDR: DPR slice nal 125 * @GST_H264_NAL_SEI: Supplemental enhancement information (SEI) nal unit 126 * @GST_H264_NAL_SPS: Sequence parameter set (SPS) nal unit 127 * @GST_H264_NAL_PPS: Picture parameter set (PPS) nal unit 128 * @GST_H264_NAL_AU_DELIMITER: Access unit (AU) delimiter nal unit 129 * @GST_H264_NAL_SEQ_END: End of sequence nal unit 130 * @GST_H264_NAL_STREAM_END: End of stream nal unit 131 * @GST_H264_NAL_FILLER_DATA: Filler data nal lunit 132 * @GST_H264_NAL_SPS_EXT: Sequence parameter set (SPS) extension NAL unit 133 * @GST_H264_NAL_PREFIX_UNIT: Prefix NAL unit 134 * @GST_H264_NAL_SUBSET_SPS: Subset sequence parameter set (SSPS) NAL unit 135 * @GST_H264_NAL_DEPTH_SPS: Depth parameter set (DPS) NAL unit 136 * @GST_H264_NAL_SLICE_AUX: Auxiliary coded picture without partitioning NAL unit 137 * @GST_H264_NAL_SLICE_EXT: Coded slice extension NAL unit 138 * @GST_H264_NAL_SLICE_DEPTH: Coded slice extension for depth or 3D-AVC texture view 139 * 140 * Indicates the type of H264 Nal Units 141 */ 142 typedef enum 143 { 144 GST_H264_NAL_UNKNOWN = 0, 145 GST_H264_NAL_SLICE = 1, 146 GST_H264_NAL_SLICE_DPA = 2, 147 GST_H264_NAL_SLICE_DPB = 3, 148 GST_H264_NAL_SLICE_DPC = 4, 149 GST_H264_NAL_SLICE_IDR = 5, 150 GST_H264_NAL_SEI = 6, 151 GST_H264_NAL_SPS = 7, 152 GST_H264_NAL_PPS = 8, 153 GST_H264_NAL_AU_DELIMITER = 9, 154 GST_H264_NAL_SEQ_END = 10, 155 GST_H264_NAL_STREAM_END = 11, 156 GST_H264_NAL_FILLER_DATA = 12, 157 GST_H264_NAL_SPS_EXT = 13, 158 GST_H264_NAL_PREFIX_UNIT = 14, 159 GST_H264_NAL_SUBSET_SPS = 15, 160 GST_H264_NAL_DEPTH_SPS = 16, 161 GST_H264_NAL_SLICE_AUX = 19, 162 GST_H264_NAL_SLICE_EXT = 20, 163 GST_H264_NAL_SLICE_DEPTH = 21 164 } GstH264NalUnitType; 165 166 /** 167 * GstH264NalUnitExtensionType: 168 * @GST_H264_NAL_EXTENSION_NONE: No NAL unit header extension is available 169 * @GST_H264_NAL_EXTENSION_SVC: NAL unit header extension for SVC (Annex G) 170 * @GST_H264_NAL_EXTENSION_MVC: NAL unit header extension for MVC (Annex H) 171 * 172 * Indicates the type of H.264 NAL unit extension. 173 * 174 * Since: 1.6 175 */ 176 typedef enum 177 { 178 GST_H264_NAL_EXTENSION_NONE = 0, 179 GST_H264_NAL_EXTENSION_SVC, 180 GST_H264_NAL_EXTENSION_MVC, 181 } GstH264NalUnitExtensionType; 182 183 /** 184 * GstH264ParserResult: 185 * @GST_H264_PARSER_OK: The parsing succeeded 186 * @GST_H264_PARSER_BROKEN_DATA: The data to parse is broken 187 * @GST_H264_PARSER_BROKEN_LINK: The link to structure needed for the parsing couldn't be found 188 * @GST_H264_PARSER_ERROR: An error occurred when parsing 189 * @GST_H264_PARSER_NO_NAL: No NAL unit found during the parsing 190 * @GST_H264_PARSER_NO_NAL_END: Start of the NAL unit found, but not the end. 191 * This will be returned if no start/sync marker for the next NAL unit was 192 * found. In this case the parser will assume that the end of the data is 193 * also the end of the NAL unit. Whether this assumption is correct or not 194 * depends on the context, which only the caller can know, which is why a 195 * special result value is returned in this case. If the data is NAL-aligned 196 * then #GST_H264_PARSER_NO_NAL_END can be treated just like 197 * #GST_H264_PARSER_OK. If the data is not guaranteed to be NAL-aligned, 198 * then the caller probably wants to collect more data until there's another 199 * sync marker or the end of the stream has been reached. 200 * 201 * The result of parsing H264 data. 202 */ 203 typedef enum 204 { 205 GST_H264_PARSER_OK, 206 GST_H264_PARSER_BROKEN_DATA, 207 GST_H264_PARSER_BROKEN_LINK, 208 GST_H264_PARSER_ERROR, 209 GST_H264_PARSER_NO_NAL, 210 GST_H264_PARSER_NO_NAL_END 211 } GstH264ParserResult; 212 213 /** 214 * GstH264FramePackingType: 215 * @GST_H264_FRAME_PACKING_NONE: A complete 2D frame without any frame packing 216 * @GST_H264_FRAME_PACKING_CHECKERBOARD_INTERLEAVING: Checkerboard 217 * based interleaving 218 * @GST_H264_FRAME_PACKING_COLUMN_INTERLEAVING: Column based interleaving 219 * @GST_H264_FRAME_PACKING_ROW_INTERLEAVING: Row based interleaving 220 * @GST_H264_FRAME_PACKING_SIDE_BY_SIDE: Side-by-side packing 221 * @GST_H264_FRMAE_PACKING_TOP_BOTTOM: Top-Bottom packing 222 * @GST_H264_FRAME_PACKING_TEMPORAL_INTERLEAVING: Temporal interleaving 223 * 224 * Frame packing arrangement types. 225 * 226 * Since: 1.6 227 */ 228 typedef enum 229 { 230 GST_H264_FRAME_PACKING_NONE = 6, 231 GST_H264_FRAME_PACKING_CHECKERBOARD_INTERLEAVING = 0, 232 GST_H264_FRAME_PACKING_COLUMN_INTERLEAVING = 1, 233 GST_H264_FRAME_PACKING_ROW_INTERLEAVING = 2, 234 GST_H264_FRAME_PACKING_SIDE_BY_SIDE = 3, 235 GST_H264_FRMAE_PACKING_TOP_BOTTOM = 4, 236 GST_H264_FRAME_PACKING_TEMPORAL_INTERLEAVING = 5 237 } GstH264FramePackingType; 238 239 /** 240 * GstH264SEIPayloadType: 241 * @GST_H264_SEI_BUF_PERIOD: Buffering Period SEI Message 242 * @GST_H264_SEI_PIC_TIMING: Picture Timing SEI Message 243 * @GST_H264_SEI_REGISTERED_USER_DATA: Registered user data (D.2.5) 244 * @GST_H264_SEI_RECOVERY_POINT: Recovery Point SEI Message (D.2.7) 245 * @GST_H264_SEI_STEREO_VIDEO_INFO: stereo video info SEI message (Since: 1.6) 246 * @GST_H264_SEI_FRAME_PACKING: Frame Packing Arrangement (FPA) message that 247 * contains the 3D arrangement for stereoscopic 3D video (Since: 1.6) 248 * ... 249 * 250 * The type of SEI message. 251 */ 252 typedef enum 253 { 254 GST_H264_SEI_BUF_PERIOD = 0, 255 GST_H264_SEI_PIC_TIMING = 1, 256 GST_H264_SEI_REGISTERED_USER_DATA = 4, 257 GST_H264_SEI_RECOVERY_POINT = 6, 258 GST_H264_SEI_STEREO_VIDEO_INFO = 21, 259 GST_H264_SEI_FRAME_PACKING = 45 260 /* and more... */ 261 } GstH264SEIPayloadType; 262 263 /** 264 * GstH264SEIPicStructType: 265 * @GST_H264_SEI_PIC_STRUCT_FRAME: Picture is a frame 266 * @GST_H264_SEI_PIC_STRUCT_TOP_FIELD: Top field of frame 267 * @GST_H264_SEI_PIC_STRUCT_BOTTOM_FIELD: Bottom field of frame 268 * @GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM: Top bottom field of frame 269 * @GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP: bottom top field of frame 270 * @GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP: top bottom top field of frame 271 * @GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: bottom top bottom field of frame 272 * @GST_H264_SEI_PIC_STRUCT_FRAME_DOUBLING: indicates that the frame should 273 * be displayed two times consecutively 274 * @GST_H264_SEI_PIC_STRUCT_FRAME_TRIPLING: indicates that the frame should be 275 * displayed three times consecutively 276 * 277 * SEI pic_struct type 278 */ 279 typedef enum 280 { 281 GST_H264_SEI_PIC_STRUCT_FRAME = 0, 282 GST_H264_SEI_PIC_STRUCT_TOP_FIELD = 1, 283 GST_H264_SEI_PIC_STRUCT_BOTTOM_FIELD = 2, 284 GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM = 3, 285 GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP = 4, 286 GST_H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP = 5, 287 GST_H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM = 6, 288 GST_H264_SEI_PIC_STRUCT_FRAME_DOUBLING = 7, 289 GST_H264_SEI_PIC_STRUCT_FRAME_TRIPLING = 8 290 } GstH264SEIPicStructType; 291 292 /** 293 * GstH264SliceType: 294 * 295 * Type of Picture slice 296 */ 297 298 typedef enum 299 { 300 GST_H264_P_SLICE = 0, 301 GST_H264_B_SLICE = 1, 302 GST_H264_I_SLICE = 2, 303 GST_H264_SP_SLICE = 3, 304 GST_H264_SI_SLICE = 4, 305 GST_H264_S_P_SLICE = 5, 306 GST_H264_S_B_SLICE = 6, 307 GST_H264_S_I_SLICE = 7, 308 GST_H264_S_SP_SLICE = 8, 309 GST_H264_S_SI_SLICE = 9 310 } GstH264SliceType; 311 312 /** 313 * GstH264CtType 314 * 315 * Mapping of ct_type to source picture scan 316 * 317 * Since: 1.16 318 */ 319 320 typedef enum 321 { 322 GST_H264_CT_TYPE_PROGRESSIVE = 0, 323 GST_H264_CT_TYPE_INTERLACED = 1, 324 GST_H264_CT_TYPE_UNKNOWN = 2, 325 } GstCtType; 326 327 typedef struct _GstH264NalParser GstH264NalParser; 328 329 typedef struct _GstH264NalUnit GstH264NalUnit; 330 typedef struct _GstH264NalUnitExtensionMVC GstH264NalUnitExtensionMVC; 331 332 typedef struct _GstH264SPSExtMVCView GstH264SPSExtMVCView; 333 typedef struct _GstH264SPSExtMVCLevelValue GstH264SPSExtMVCLevelValue; 334 typedef struct _GstH264SPSExtMVCLevelValueOp GstH264SPSExtMVCLevelValueOp; 335 typedef struct _GstH264SPSExtMVC GstH264SPSExtMVC; 336 337 typedef struct _GstH264SPS GstH264SPS; 338 typedef struct _GstH264PPS GstH264PPS; 339 typedef struct _GstH264HRDParams GstH264HRDParams; 340 typedef struct _GstH264VUIParams GstH264VUIParams; 341 342 typedef struct _GstH264RefPicListModification GstH264RefPicListModification; 343 typedef struct _GstH264DecRefPicMarking GstH264DecRefPicMarking; 344 typedef struct _GstH264RefPicMarking GstH264RefPicMarking; 345 typedef struct _GstH264PredWeightTable GstH264PredWeightTable; 346 typedef struct _GstH264SliceHdr GstH264SliceHdr; 347 348 typedef struct _GstH264ClockTimestamp GstH264ClockTimestamp; 349 typedef struct _GstH264PicTiming GstH264PicTiming; 350 typedef struct _GstH264RegisteredUserData GstH264RegisteredUserData; 351 typedef struct _GstH264BufferingPeriod GstH264BufferingPeriod; 352 typedef struct _GstH264RecoveryPoint GstH264RecoveryPoint; 353 typedef struct _GstH264StereoVideoInfo GstH264StereoVideoInfo; 354 typedef struct _GstH264FramePacking GstH264FramePacking; 355 typedef struct _GstH264SEIMessage GstH264SEIMessage; 356 357 /** 358 * GstH264NalUnitExtensionMVC: 359 * @non_idr_flag: If equal to 0, it specifies that the current access 360 * unit is an IDR access unit 361 * @priority_id: The priority identifier for the NAL unit 362 * @view_id: The view identifier for the NAL unit 363 * @temporal_id: The temporal identifier for the NAL unit 364 * @anchor_pic_flag: If equal to 1, it specifies that the current 365 * access unit is an anchor access unit 366 * @inter_view_flag: If equal to 0, it specifies that the current view 367 * component is not used for inter-view prediction by any other view 368 * component in the current access unit 369 * 370 * Since: 1.6 371 */ 372 struct _GstH264NalUnitExtensionMVC 373 { 374 guint8 non_idr_flag; 375 guint8 priority_id; 376 guint16 view_id; 377 guint8 temporal_id; 378 guint8 anchor_pic_flag; 379 guint8 inter_view_flag; 380 }; 381 382 /** 383 * GstH264NalUnit: 384 * @ref_idc: not equal to 0 specifies that the content of the NAL unit 385 * contains a sequence parameter set, a sequence parameter set 386 * extension, a subset sequence parameter set, a picture parameter 387 * set, a slice of a reference picture, a slice data partition of a 388 * reference picture, or a prefix NAL unit preceding a slice of a 389 * reference picture. 390 * @type: A #GstH264NalUnitType 391 * @idr_pic_flag: calculated idr_pic_flag 392 * @size: The size of the NAL unit starting from @offset, thus 393 * including the header bytes. e.g. @type (nal_unit_type) 394 * @offset: The offset of the actual start of the NAL unit, thus 395 * including the header bytes 396 * @sc_offset: The offset of the start code of the NAL unit 397 * @valid: If the NAL unit is valid, which means it has 398 * already been parsed 399 * @data: The data from which the NAL unit has been parsed 400 * @header_bytes: The size of the NALU header in bytes (Since: 1.6) 401 * @extension_type: the extension type (Since: 1.6) 402 * 403 * Structure defining the NAL unit headers 404 */ 405 struct _GstH264NalUnit 406 { 407 guint16 ref_idc; 408 guint16 type; 409 410 /* calculated values */ 411 guint8 idr_pic_flag; 412 guint size; 413 guint offset; 414 guint sc_offset; 415 gboolean valid; 416 417 guint8 *data; 418 419 guint8 header_bytes; 420 guint8 extension_type; 421 union { 422 GstH264NalUnitExtensionMVC mvc; 423 } extension; 424 }; 425 426 /** 427 * GstH264HRDParams: 428 * @cpb_cnt_minus1: plus 1 specifies the number of alternative 429 * CPB specifications in the bitstream 430 * @bit_rate_scale: specifies the maximum input bit rate of the 431 * SchedSelIdx-th CPB 432 * @cpb_size_scale: specifies the CPB size of the SchedSelIdx-th CPB 433 * @guint32 bit_rate_value_minus1: specifies the maximum input bit rate for the 434 * SchedSelIdx-th CPB 435 * @cpb_size_value_minus1: is used together with cpb_size_scale to specify the 436 * SchedSelIdx-th CPB size 437 * @cbr_flag: Specifies if running in constant or intermittent bit rate mode 438 * @initial_cpb_removal_delay_length_minus1: specifies the length in bits of 439 * the cpb_removal_delay syntax element 440 * @cpb_removal_delay_length_minus1: specifies the length in bits of the 441 * dpb_output_delay syntax element 442 * @dpb_output_delay_length_minus1: >0 specifies the length in bits of the time_offset syntax element. 443 * =0 specifies that the time_offset syntax element is not present 444 * @time_offset_length: Length of the time offset 445 * 446 * Defines the HRD parameters 447 */ 448 struct _GstH264HRDParams 449 { 450 guint8 cpb_cnt_minus1; 451 guint8 bit_rate_scale; 452 guint8 cpb_size_scale; 453 454 guint32 bit_rate_value_minus1[32]; 455 guint32 cpb_size_value_minus1[32]; 456 guint8 cbr_flag[32]; 457 458 guint8 initial_cpb_removal_delay_length_minus1; 459 guint8 cpb_removal_delay_length_minus1; 460 guint8 dpb_output_delay_length_minus1; 461 guint8 time_offset_length; 462 }; 463 464 /** 465 * GstH264VUIParams: 466 * @aspect_ratio_info_present_flag: %TRUE specifies that aspect_ratio_idc is present. 467 * %FALSE specifies that aspect_ratio_idc is not present 468 * @aspect_ratio_idc specifies the value of the sample aspect ratio of the luma samples 469 * @sar_width indicates the horizontal size of the sample aspect ratio 470 * @sar_height indicates the vertical size of the sample aspect ratio 471 * @overscan_info_present_flag: %TRUE overscan_appropriate_flag is present %FALSE otherwise 472 * @overscan_appropriate_flag: %TRUE indicates that the cropped decoded pictures 473 * output are suitable for display using overscan. %FALSE the cropped decoded pictures 474 * output contain visually important information 475 * @video_signal_type_present_flag: %TRUE specifies that video_format, video_full_range_flag and 476 * colour_description_present_flag are present. 477 * @video_format: indicates the representation of the picture 478 * @video_full_range_flag: indicates the black level and range of the luma and chroma signals 479 * @colour_description_present_flag: %TRUE specifies that colour_primaries, 480 * transfer_characteristics and matrix_coefficients are present 481 * @colour_primaries: indicates the chromaticity coordinates of the source primaries 482 * @transfer_characteristics: indicates the opto-electronic transfer characteristic 483 * @matrix_coefficients: describes the matrix coefficients used in deriving luma and chroma signals 484 * @chroma_loc_info_present_flag: %TRUE specifies that chroma_sample_loc_type_top_field and 485 * chroma_sample_loc_type_bottom_field are present, %FALSE otherwise 486 * @chroma_sample_loc_type_top_field: specify the location of chroma for top field 487 * @chroma_sample_loc_type_bottom_field specify the location of chroma for bottom field 488 * @timing_info_present_flag: %TRUE specifies that num_units_in_tick, 489 * time_scale and fixed_frame_rate_flag are present in the bitstream 490 * @num_units_in_tick: is the number of time units of a clock operating at the frequency time_scale Hz 491 * time_scale: is the number of time units that pass in one second 492 * @fixed_frame_rate_flag: %TRUE indicates that the temporal distance between the HRD output times 493 * of any two consecutive pictures in output order is constrained as specified in the spec, %FALSE 494 * otherwise. 495 * @nal_hrd_parameters_present_flag: %TRUE if NAL HRD parameters exist in the bitstream 496 * @vcl_hrd_parameters_present_flag: %TRUE if VCL HRD parameters exist in the bitstream 497 * @low_delay_hrd_flag: specifies the HRD operational mode 498 * @pic_struct_present_flag: %TRUE specifies that picture timing SEI messages are present or not 499 * @bitstream_restriction_flag: %TRUE specifies that the following coded video sequence bitstream restriction 500 * parameters are present 501 * @motion_vectors_over_pic_boundaries_flag: %FALSE indicates that no sample outside the 502 * picture boundaries and no sample at a fractional sample position, %TRUE indicates that one or more 503 * samples outside picture boundaries may be used in inter prediction 504 * @max_bytes_per_pic_denom: indicates a number of bytes not exceeded by the sum of the sizes of 505 * the VCL NAL units associated with any coded picture in the coded video sequence. 506 * @max_bits_per_mb_denom: indicates the maximum number of coded bits of macroblock_layer 507 * @log2_max_mv_length_horizontal: indicate the maximum absolute value of a decoded horizontal 508 * motion vector component 509 * @log2_max_mv_length_vertical: indicate the maximum absolute value of a decoded vertical 510 * motion vector component 511 * @num_reorder_frames: indicates the maximum number of frames, complementary field pairs, 512 * or non-paired fields that precede any frame, 513 * @max_dec_frame_buffering: specifies the required size of the HRD decoded picture buffer in 514 * units of frame buffers. 515 * 516 * The structure representing the VUI parameters. 517 */ 518 struct _GstH264VUIParams 519 { 520 guint8 aspect_ratio_info_present_flag; 521 guint8 aspect_ratio_idc; 522 /* if aspect_ratio_idc == 255 */ 523 guint16 sar_width; 524 guint16 sar_height; 525 526 guint8 overscan_info_present_flag; 527 /* if overscan_info_present_flag */ 528 guint8 overscan_appropriate_flag; 529 530 guint8 video_signal_type_present_flag; 531 guint8 video_format; 532 guint8 video_full_range_flag; 533 guint8 colour_description_present_flag; 534 guint8 colour_primaries; 535 guint8 transfer_characteristics; 536 guint8 matrix_coefficients; 537 538 guint8 chroma_loc_info_present_flag; 539 guint8 chroma_sample_loc_type_top_field; 540 guint8 chroma_sample_loc_type_bottom_field; 541 542 guint8 timing_info_present_flag; 543 /* if timing_info_present_flag */ 544 guint32 num_units_in_tick; 545 guint32 time_scale; 546 guint8 fixed_frame_rate_flag; 547 548 guint8 nal_hrd_parameters_present_flag; 549 /* if nal_hrd_parameters_present_flag */ 550 GstH264HRDParams nal_hrd_parameters; 551 552 guint8 vcl_hrd_parameters_present_flag; 553 /* if vcl_hrd_parameters_present_flag */ 554 GstH264HRDParams vcl_hrd_parameters; 555 556 guint8 low_delay_hrd_flag; 557 guint8 pic_struct_present_flag; 558 559 guint8 bitstream_restriction_flag; 560 /* if bitstream_restriction_flag */ 561 guint8 motion_vectors_over_pic_boundaries_flag; 562 guint32 max_bytes_per_pic_denom; 563 guint32 max_bits_per_mb_denom; 564 guint32 log2_max_mv_length_horizontal; 565 guint32 log2_max_mv_length_vertical; 566 guint32 num_reorder_frames; 567 guint32 max_dec_frame_buffering; 568 569 /* calculated values */ 570 guint par_n; 571 guint par_d; 572 }; 573 574 /** 575 * GstH264SPSExtMVCView: 576 * @num_anchor_refs_l0: specifies the number of view components for 577 * inter-view prediction in the initialized RefPicList0 in decoding 578 * anchor view components. 579 * @anchor_ref_l0: specifies the view_id for inter-view prediction in 580 * the initialized RefPicList0 in decoding anchor view components. 581 * @num_anchor_refs_l1: specifies the number of view components for 582 * inter-view prediction in the initialized RefPicList1 in decoding 583 * anchor view components. 584 * @anchor_ref_l1: specifies the view_id for inter-view prediction in 585 * the initialized RefPicList1 in decoding anchor view components. 586 * @num_non_anchor_refs_l0: specifies the number of view components 587 * for inter-view prediction in the initialized RefPicList0 in 588 * decoding non-anchor view components. 589 * @non_anchor_ref_l0: specifies the view_id for inter-view prediction 590 * in the initialized RefPicList0 in decoding non-anchor view 591 * components. 592 * @num_non_anchor_refs_l1: specifies the number of view components 593 * for inter-view prediction in the initialized RefPicList1 in 594 * decoding non-anchor view components. 595 * @non_anchor_ref_l1: specifies the view_id for inter-view prediction 596 * in the initialized RefPicList1 in decoding non-anchor view 597 * components. 598 * 599 * Represents inter-view dependency relationships for the coded video 600 * sequence. 601 * 602 * Since: 1.6 603 */ 604 struct _GstH264SPSExtMVCView 605 { 606 guint16 view_id; 607 guint8 num_anchor_refs_l0; 608 guint16 anchor_ref_l0[15]; 609 guint8 num_anchor_refs_l1; 610 guint16 anchor_ref_l1[15]; 611 guint8 num_non_anchor_refs_l0; 612 guint16 non_anchor_ref_l0[15]; 613 guint8 num_non_anchor_refs_l1; 614 guint16 non_anchor_ref_l1[15]; 615 }; 616 617 /** 618 * GstH264SPSExtMVCLevelValueOp: 619 * 620 * Represents an operation point for the coded video sequence. 621 * 622 * Since: 1.6 623 */ 624 struct _GstH264SPSExtMVCLevelValueOp 625 { 626 guint8 temporal_id; 627 guint16 num_target_views_minus1; 628 guint16 *target_view_id; 629 guint16 num_views_minus1; 630 }; 631 632 /** 633 * GstH264SPSExtMVCLevelValue: 634 * @level_idc: specifies the level value signalled for the coded video 635 * sequence 636 * @num_applicable_ops_minus1: plus 1 specifies the number of 637 * operation points to which the level indicated by level_idc applies 638 * @applicable_op: specifies the applicable operation point 639 * 640 * Represents level values for a subset of the operation points for 641 * the coded video sequence. 642 * 643 * Since: 1.6 644 */ 645 struct _GstH264SPSExtMVCLevelValue 646 { 647 guint8 level_idc; 648 guint16 num_applicable_ops_minus1; 649 GstH264SPSExtMVCLevelValueOp *applicable_op; 650 }; 651 652 /** 653 * GstH264SPSExtMVC: 654 * @num_views_minus1: plus 1 specifies the maximum number of coded 655 * views in the coded video sequence 656 * @view: array of #GstH264SPSExtMVCView 657 * @num_level_values_signalled_minus1: plus 1 specifies the number of 658 * level values signalled for the coded video sequence. 659 * @level_value: array of #GstH264SPSExtMVCLevelValue 660 * 661 * Represents the parsed seq_parameter_set_mvc_extension(). 662 * 663 * Since: 1.6 664 */ 665 struct _GstH264SPSExtMVC 666 { 667 guint16 num_views_minus1; 668 GstH264SPSExtMVCView *view; 669 guint8 num_level_values_signalled_minus1; 670 GstH264SPSExtMVCLevelValue *level_value; 671 }; 672 673 /** 674 * GstH264SPS: 675 * @id: The ID of the sequence parameter set 676 * @profile_idc: indicate the profile to which the coded video sequence conforms 677 * 678 * H264 Sequence Parameter Set (SPS) 679 */ 680 struct _GstH264SPS 681 { 682 gint id; 683 684 guint8 profile_idc; 685 guint8 constraint_set0_flag; 686 guint8 constraint_set1_flag; 687 guint8 constraint_set2_flag; 688 guint8 constraint_set3_flag; 689 guint8 constraint_set4_flag; 690 guint8 constraint_set5_flag; 691 guint8 level_idc; 692 693 guint8 chroma_format_idc; 694 guint8 separate_colour_plane_flag; 695 guint8 bit_depth_luma_minus8; 696 guint8 bit_depth_chroma_minus8; 697 guint8 qpprime_y_zero_transform_bypass_flag; 698 699 guint8 scaling_matrix_present_flag; 700 guint8 scaling_lists_4x4[6][16]; 701 guint8 scaling_lists_8x8[6][64]; 702 703 guint8 log2_max_frame_num_minus4; 704 guint8 pic_order_cnt_type; 705 706 /* if pic_order_cnt_type == 0 */ 707 guint8 log2_max_pic_order_cnt_lsb_minus4; 708 709 /* else if pic_order_cnt_type == 1 */ 710 guint8 delta_pic_order_always_zero_flag; 711 gint32 offset_for_non_ref_pic; 712 gint32 offset_for_top_to_bottom_field; 713 guint8 num_ref_frames_in_pic_order_cnt_cycle; 714 gint32 offset_for_ref_frame[255]; 715 716 guint32 num_ref_frames; 717 guint8 gaps_in_frame_num_value_allowed_flag; 718 guint32 pic_width_in_mbs_minus1; 719 guint32 pic_height_in_map_units_minus1; 720 guint8 frame_mbs_only_flag; 721 722 guint8 mb_adaptive_frame_field_flag; 723 724 guint8 direct_8x8_inference_flag; 725 726 guint8 frame_cropping_flag; 727 728 /* if frame_cropping_flag */ 729 guint32 frame_crop_left_offset; 730 guint32 frame_crop_right_offset; 731 guint32 frame_crop_top_offset; 732 guint32 frame_crop_bottom_offset; 733 734 guint8 vui_parameters_present_flag; 735 /* if vui_parameters_present_flag */ 736 GstH264VUIParams vui_parameters; 737 738 /* calculated values */ 739 guint8 chroma_array_type; 740 guint32 max_frame_num; 741 gint width, height; 742 gint crop_rect_width, crop_rect_height; 743 gint crop_rect_x, crop_rect_y; 744 gint fps_num_removed, fps_den_removed; /* FIXME: remove */ 745 gboolean valid; 746 747 /* Subset SPS extensions */ 748 guint8 extension_type; 749 union { 750 GstH264SPSExtMVC mvc; 751 } extension; 752 }; 753 754 /** 755 * GstH264PPS: 756 * 757 * H264 Picture Parameter Set 758 */ 759 struct _GstH264PPS 760 { 761 gint id; 762 763 GstH264SPS *sequence; 764 765 guint8 entropy_coding_mode_flag; 766 guint8 pic_order_present_flag; 767 768 guint32 num_slice_groups_minus1; 769 770 /* if num_slice_groups_minus1 > 0 */ 771 guint8 slice_group_map_type; 772 /* and if slice_group_map_type == 0 */ 773 guint32 run_length_minus1[8]; 774 /* or if slice_group_map_type == 2 */ 775 guint32 top_left[8]; 776 guint32 bottom_right[8]; 777 /* or if slice_group_map_type == (3, 4, 5) */ 778 guint8 slice_group_change_direction_flag; 779 guint32 slice_group_change_rate_minus1; 780 /* or if slice_group_map_type == 6 */ 781 guint32 pic_size_in_map_units_minus1; 782 guint8 *slice_group_id; 783 784 guint8 num_ref_idx_l0_active_minus1; 785 guint8 num_ref_idx_l1_active_minus1; 786 guint8 weighted_pred_flag; 787 guint8 weighted_bipred_idc; 788 gint8 pic_init_qp_minus26; 789 gint8 pic_init_qs_minus26; 790 gint8 chroma_qp_index_offset; 791 guint8 deblocking_filter_control_present_flag; 792 guint8 constrained_intra_pred_flag; 793 guint8 redundant_pic_cnt_present_flag; 794 795 guint8 transform_8x8_mode_flag; 796 797 guint8 scaling_lists_4x4[6][16]; 798 guint8 scaling_lists_8x8[6][64]; 799 800 guint8 second_chroma_qp_index_offset; 801 802 gboolean valid; 803 }; 804 805 struct _GstH264RefPicListModification 806 { 807 guint8 modification_of_pic_nums_idc; 808 union 809 { 810 /* if modification_of_pic_nums_idc == 0 || 1 */ 811 guint32 abs_diff_pic_num_minus1; 812 /* if modification_of_pic_nums_idc == 2 */ 813 guint32 long_term_pic_num; 814 /* if modification_of_pic_nums_idc == 4 || 5 */ 815 guint32 abs_diff_view_idx_minus1; 816 } value; 817 }; 818 819 struct _GstH264PredWeightTable 820 { 821 guint8 luma_log2_weight_denom; 822 guint8 chroma_log2_weight_denom; 823 824 gint16 luma_weight_l0[32]; 825 gint8 luma_offset_l0[32]; 826 827 /* if seq->ChromaArrayType != 0 */ 828 gint16 chroma_weight_l0[32][2]; 829 gint8 chroma_offset_l0[32][2]; 830 831 /* if slice->slice_type % 5 == 1 */ 832 gint16 luma_weight_l1[32]; 833 gint8 luma_offset_l1[32]; 834 835 /* and if seq->ChromaArrayType != 0 */ 836 gint16 chroma_weight_l1[32][2]; 837 gint8 chroma_offset_l1[32][2]; 838 }; 839 840 struct _GstH264RefPicMarking 841 { 842 guint8 memory_management_control_operation; 843 844 guint32 difference_of_pic_nums_minus1; 845 guint32 long_term_pic_num; 846 guint32 long_term_frame_idx; 847 guint32 max_long_term_frame_idx_plus1; 848 }; 849 850 struct _GstH264DecRefPicMarking 851 { 852 /* if slice->nal_unit.IdrPicFlag */ 853 guint8 no_output_of_prior_pics_flag; 854 guint8 long_term_reference_flag; 855 856 guint8 adaptive_ref_pic_marking_mode_flag; 857 GstH264RefPicMarking ref_pic_marking[10]; 858 guint8 n_ref_pic_marking; 859 }; 860 861 862 struct _GstH264SliceHdr 863 { 864 guint32 first_mb_in_slice; 865 guint32 type; 866 GstH264PPS *pps; 867 868 /* if seq->separate_colour_plane_flag */ 869 guint8 colour_plane_id; 870 871 guint16 frame_num; 872 873 guint8 field_pic_flag; 874 guint8 bottom_field_flag; 875 876 /* if nal_unit.type == 5 */ 877 guint16 idr_pic_id; 878 879 /* if seq->pic_order_cnt_type == 0 */ 880 guint16 pic_order_cnt_lsb; 881 /* if seq->pic_order_present_flag && !field_pic_flag */ 882 gint32 delta_pic_order_cnt_bottom; 883 884 gint32 delta_pic_order_cnt[2]; 885 guint8 redundant_pic_cnt; 886 887 /* if slice_type == B_SLICE */ 888 guint8 direct_spatial_mv_pred_flag; 889 890 guint8 num_ref_idx_l0_active_minus1; 891 guint8 num_ref_idx_l1_active_minus1; 892 893 guint8 ref_pic_list_modification_flag_l0; 894 guint8 n_ref_pic_list_modification_l0; 895 GstH264RefPicListModification ref_pic_list_modification_l0[32]; 896 guint8 ref_pic_list_modification_flag_l1; 897 guint8 n_ref_pic_list_modification_l1; 898 GstH264RefPicListModification ref_pic_list_modification_l1[32]; 899 900 GstH264PredWeightTable pred_weight_table; 901 /* if nal_unit.ref_idc != 0 */ 902 GstH264DecRefPicMarking dec_ref_pic_marking; 903 904 guint8 cabac_init_idc; 905 gint8 slice_qp_delta; 906 gint8 slice_qs_delta; 907 908 guint8 disable_deblocking_filter_idc; 909 gint8 slice_alpha_c0_offset_div2; 910 gint8 slice_beta_offset_div2; 911 912 guint16 slice_group_change_cycle; 913 914 /* calculated values */ 915 guint32 max_pic_num; 916 gboolean valid; 917 918 /* Size of the slice_header() in bits */ 919 guint header_size; 920 921 /* Number of emulation prevention bytes (EPB) in this slice_header() */ 922 guint n_emulation_prevention_bytes; 923 }; 924 925 926 struct _GstH264ClockTimestamp 927 { 928 guint8 ct_type; 929 guint8 nuit_field_based_flag; 930 guint8 counting_type; 931 guint8 discontinuity_flag; 932 guint8 cnt_dropped_flag; 933 guint8 n_frames; 934 935 guint8 seconds_flag; 936 guint8 seconds_value; 937 938 guint8 minutes_flag; 939 guint8 minutes_value; 940 941 guint8 hours_flag; 942 guint8 hours_value; 943 944 guint32 time_offset; 945 }; 946 947 /** 948 * GstH264FramePacking: 949 * 950 * Since: 1.6 951 */ 952 struct _GstH264FramePacking 953 { 954 guint32 frame_packing_id; 955 guint8 frame_packing_cancel_flag; 956 guint8 frame_packing_type; /* GstH264FramePackingType */ 957 guint8 quincunx_sampling_flag; 958 guint8 content_interpretation_type; 959 guint8 spatial_flipping_flag; 960 guint8 frame0_flipped_flag; 961 guint8 field_views_flag; 962 guint8 current_frame_is_frame0_flag; 963 guint8 frame0_self_contained_flag; 964 guint8 frame1_self_contained_flag; 965 guint8 frame0_grid_position_x; 966 guint8 frame0_grid_position_y; 967 guint8 frame1_grid_position_x; 968 guint8 frame1_grid_position_y; 969 guint16 frame_packing_repetition_period; 970 }; 971 972 /** 973 * GstH264StereoVideoInfo: 974 * 975 * Since: 1.6 976 */ 977 struct _GstH264StereoVideoInfo 978 { 979 guint8 field_views_flag; 980 guint8 top_field_is_left_view_flag; 981 guint8 current_frame_is_left_view_flag; 982 guint8 next_frame_is_second_view_flag; 983 guint8 left_view_self_contained_flag; 984 guint8 right_view_self_contained_flag; 985 }; 986 987 struct _GstH264PicTiming 988 { 989 guint32 cpb_removal_delay; 990 guint32 dpb_output_delay; 991 992 guint8 pic_struct_present_flag; 993 /* if pic_struct_present_flag */ 994 guint8 pic_struct; 995 996 guint8 clock_timestamp_flag[3]; 997 GstH264ClockTimestamp clock_timestamp[3]; 998 }; 999 1000 struct _GstH264RegisteredUserData 1001 { 1002 guint8 country_code; 1003 guint8 country_code_extension; 1004 const guint8 *data; 1005 guint size; 1006 }; 1007 1008 struct _GstH264BufferingPeriod 1009 { 1010 GstH264SPS *sps; 1011 1012 /* seq->vui_parameters->nal_hrd_parameters_present_flag */ 1013 guint32 nal_initial_cpb_removal_delay[32]; 1014 guint32 nal_initial_cpb_removal_delay_offset[32]; 1015 1016 /* seq->vui_parameters->vcl_hrd_parameters_present_flag */ 1017 guint32 vcl_initial_cpb_removal_delay[32]; 1018 guint32 vcl_initial_cpb_removal_delay_offset[32]; 1019 }; 1020 1021 struct _GstH264RecoveryPoint 1022 { 1023 guint32 recovery_frame_cnt; 1024 guint8 exact_match_flag; 1025 guint8 broken_link_flag; 1026 guint8 changing_slice_group_idc; 1027 }; 1028 1029 struct _GstH264SEIMessage 1030 { 1031 GstH264SEIPayloadType payloadType; 1032 1033 union { 1034 GstH264BufferingPeriod buffering_period; 1035 GstH264PicTiming pic_timing; 1036 GstH264RegisteredUserData registered_user_data; 1037 GstH264RecoveryPoint recovery_point; 1038 GstH264StereoVideoInfo stereo_video_info; 1039 GstH264FramePacking frame_packing; 1040 /* ... could implement more */ 1041 } payload; 1042 }; 1043 1044 /** 1045 * GstH264NalParser: 1046 * 1047 * H264 NAL Parser (opaque structure). 1048 */ 1049 struct _GstH264NalParser 1050 { 1051 /*< private >*/ 1052 GstH264SPS sps[GST_H264_MAX_SPS_COUNT]; 1053 GstH264PPS pps[GST_H264_MAX_PPS_COUNT]; 1054 GstH264SPS *last_sps; 1055 GstH264PPS *last_pps; 1056 }; 1057 1058 GST_CODEC_PARSERS_API 1059 GstH264NalParser *gst_h264_nal_parser_new (void); 1060 1061 GST_CODEC_PARSERS_API 1062 GstH264ParserResult gst_h264_parser_identify_nalu (GstH264NalParser *nalparser, 1063 const guint8 *data, guint offset, 1064 gsize size, GstH264NalUnit *nalu); 1065 1066 GST_CODEC_PARSERS_API 1067 GstH264ParserResult gst_h264_parser_identify_nalu_unchecked (GstH264NalParser *nalparser, 1068 const guint8 *data, guint offset, 1069 gsize size, GstH264NalUnit *nalu); 1070 1071 GST_CODEC_PARSERS_API 1072 GstH264ParserResult gst_h264_parser_identify_nalu_avc (GstH264NalParser *nalparser, const guint8 *data, 1073 guint offset, gsize size, guint8 nal_length_size, 1074 GstH264NalUnit *nalu); 1075 1076 GST_CODEC_PARSERS_API 1077 GstH264ParserResult gst_h264_parser_parse_nal (GstH264NalParser *nalparser, 1078 GstH264NalUnit *nalu); 1079 1080 GST_CODEC_PARSERS_API 1081 GstH264ParserResult gst_h264_parser_parse_slice_hdr (GstH264NalParser *nalparser, GstH264NalUnit *nalu, 1082 GstH264SliceHdr *slice, gboolean parse_pred_weight_table, 1083 gboolean parse_dec_ref_pic_marking); 1084 1085 GST_CODEC_PARSERS_API 1086 GstH264ParserResult gst_h264_parser_parse_subset_sps (GstH264NalParser *nalparser, GstH264NalUnit *nalu, 1087 GstH264SPS *sps, gboolean parse_vui_params); 1088 1089 GST_CODEC_PARSERS_API 1090 GstH264ParserResult gst_h264_parser_parse_sps (GstH264NalParser *nalparser, GstH264NalUnit *nalu, 1091 GstH264SPS *sps, gboolean parse_vui_params); 1092 1093 GST_CODEC_PARSERS_API 1094 GstH264ParserResult gst_h264_parser_parse_pps (GstH264NalParser *nalparser, 1095 GstH264NalUnit *nalu, GstH264PPS *pps); 1096 1097 GST_CODEC_PARSERS_API 1098 GstH264ParserResult gst_h264_parser_parse_sei (GstH264NalParser *nalparser, 1099 GstH264NalUnit *nalu, GArray ** messages); 1100 1101 GST_CODEC_PARSERS_API 1102 void gst_h264_nal_parser_free (GstH264NalParser *nalparser); 1103 1104 GST_CODEC_PARSERS_API 1105 GstH264ParserResult gst_h264_parse_subset_sps (GstH264NalUnit *nalu, 1106 GstH264SPS *sps, gboolean parse_vui_params); 1107 1108 GST_CODEC_PARSERS_API 1109 GstH264ParserResult gst_h264_parse_sps (GstH264NalUnit *nalu, 1110 GstH264SPS *sps, gboolean parse_vui_params); 1111 1112 GST_CODEC_PARSERS_API 1113 GstH264ParserResult gst_h264_parse_pps (GstH264NalParser *nalparser, 1114 GstH264NalUnit *nalu, GstH264PPS *pps); 1115 1116 GST_CODEC_PARSERS_API 1117 void gst_h264_sps_clear (GstH264SPS *sps); 1118 1119 GST_CODEC_PARSERS_API 1120 void gst_h264_pps_clear (GstH264PPS *pps); 1121 1122 GST_CODEC_PARSERS_API 1123 void gst_h264_quant_matrix_8x8_get_zigzag_from_raster (guint8 out_quant[64], 1124 const guint8 quant[64]); 1125 1126 GST_CODEC_PARSERS_API 1127 void gst_h264_quant_matrix_8x8_get_raster_from_zigzag (guint8 out_quant[64], 1128 const guint8 quant[64]); 1129 1130 GST_CODEC_PARSERS_API 1131 void gst_h264_quant_matrix_4x4_get_zigzag_from_raster (guint8 out_quant[16], 1132 const guint8 quant[16]); 1133 1134 GST_CODEC_PARSERS_API 1135 void gst_h264_quant_matrix_4x4_get_raster_from_zigzag (guint8 out_quant[16], 1136 const guint8 quant[16]); 1137 1138 GST_CODEC_PARSERS_API 1139 void gst_h264_video_calculate_framerate (const GstH264SPS * sps, guint field_pic_flag, 1140 guint pic_struct, gint * fps_num, gint * fps_den); 1141 1142 G_END_DECLS 1143 1144 #endif 1145