4 * Copyright (C) 2018 Georg Ottinger
5 * Copyright (C) 2019-2020 Intel Corporation
6 * Author: Georg Ottinger<g.ottinger@gmx.at>
7 * Author: Junyan He<junyan.he@hotmail.com>
8 * Author: Victor Jaquez <vjaquez@igalia.com>
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the
22 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
23 * Boston, MA 02110-1301, USA.
26 #ifndef __GST_AV1_PARSER_H__
27 #define __GST_AV1_PARSER_H__
29 #ifndef GST_USE_UNSTABLE_API
30 #warning "The AV1 parsing library is unstable API and may change in future."
31 #warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
35 #include <gst/codecparsers/codecparsers-prelude.h>
39 #define GST_AV1_MAX_NUM_TEMPORAL_LAYERS 8
40 #define GST_AV1_MAX_NUM_SPATIAL_LAYERS 4
41 #define GST_AV1_MAX_TILE_WIDTH 4096
42 #define GST_AV1_MAX_TILE_AREA (4096 * 2304)
43 #define GST_AV1_TOTAL_REFS_PER_FRAME 8
44 #define GST_AV1_MAX_SEGMENTS 8
45 #define GST_AV1_SEG_LVL_MAX 8
46 #define GST_AV1_MAX_TILE_COLS 64
47 #define GST_AV1_MAX_TILE_ROWS 64
49 #define GST_AV1_REFS_PER_FRAME 7
50 #define GST_AV1_PRIMARY_REF_NONE 7
51 #define GST_AV1_SUPERRES_NUM 8
52 #define GST_AV1_SUPERRES_DENOM_MIN 9
53 #define GST_AV1_SUPERRES_DENOM_BITS 3
54 #define GST_AV1_MAX_LOOP_FILTER 63
55 #define GST_AV1_GM_ABS_TRANS_BITS 12
56 #define GST_AV1_GM_ABS_TRANS_ONLY_BITS 9
57 #define GST_AV1_GM_ABS_ALPHA_BITS 12
58 #define GST_AV1_GM_ALPHA_PREC_BITS 15
59 #define GST_AV1_GM_TRANS_PREC_BITS 6
60 #define GST_AV1_GM_TRANS_ONLY_PREC_BITS 3
61 #define GST_AV1_WARPEDMODEL_PREC_BITS 16
62 #define GST_AV1_WARP_PARAM_REDUCE_BITS 6
63 #define GST_AV1_SELECT_SCREEN_CONTENT_TOOLS 2
64 #define GST_AV1_SELECT_INTEGER_MV 2
65 #define GST_AV1_RESTORATION_TILESIZE_MAX 256
66 #define GST_AV1_SEG_LVL_ALT_Q 0
67 #define GST_AV1_SEG_LVL_REF_FRAME 5
68 /* Following defines are derived from the spec, but not mentioned by
69 * this particular name in the spec */
70 #define GST_AV1_CDEF_MAX (1 << 3)
71 #define GST_AV1_MAX_TILE_COUNT 512
72 #define GST_AV1_MAX_OPERATING_POINTS \
73 (GST_AV1_MAX_NUM_TEMPORAL_LAYERS * GST_AV1_MAX_NUM_SPATIAL_LAYERS)
74 #define GST_AV1_MAX_SPATIAL_LAYERS 2 /* correct? */
75 #define GST_AV1_MAX_TEMPORAL_GROUP_SIZE 8 /* correct? */
76 #define GST_AV1_MAX_TEMPORAL_GROUP_REFERENCES 8 /* correct? */
77 #define GST_AV1_MAX_NUM_Y_POINTS 16
78 #define GST_AV1_MAX_NUM_CB_POINTS 16
79 #define GST_AV1_MAX_NUM_CR_POINTS 16
80 #define GST_AV1_MAX_NUM_POS_LUMA 25
81 #define GST_AV1_MAX_NUM_PLANES 3
83 #define GST_AV1_DIV_LUT_PREC_BITS 14
84 #define GST_AV1_DIV_LUT_BITS 8
85 #define GST_AV1_DIV_LUT_NUM (1 << GST_AV1_DIV_LUT_BITS)
88 typedef struct _GstAV1Parser GstAV1Parser;
90 typedef struct _GstAV1OBUHeader GstAV1OBUHeader;
91 typedef struct _GstAV1OBU GstAV1OBU;
93 typedef struct _GstAV1SequenceHeaderOBU GstAV1SequenceHeaderOBU;
94 typedef struct _GstAV1MetadataOBU GstAV1MetadataOBU;
95 typedef struct _GstAV1FrameHeaderOBU GstAV1FrameHeaderOBU;
96 typedef struct _GstAV1TileListOBU GstAV1TileListOBU;
97 typedef struct _GstAV1TileGroupOBU GstAV1TileGroupOBU;
98 typedef struct _GstAV1FrameOBU GstAV1FrameOBU;
100 typedef struct _GstAV1OperatingPoint GstAV1OperatingPoint;
101 typedef struct _GstAV1DecoderModelInfo GstAV1DecoderModelInfo;
102 typedef struct _GstAV1TimingInfo GstAV1TimingInfo;
103 typedef struct _GstAV1ColorConfig GstAV1ColorConfig;
104 typedef struct _GstAV1MetadataITUT_T35 GstAV1MetadataITUT_T35;
105 typedef struct _GstAV1MetadataHdrCll GstAV1MetadataHdrCll;
106 typedef struct _GstAV1MetadataHdrMdcv GstAV1MetadataHdrMdcv;
107 typedef struct _GstAV1MetadataScalability GstAV1MetadataScalability;
108 typedef struct _GstAV1MetadataTimecode GstAV1MetadataTimecode;
109 typedef struct _GstAV1LoopFilterParams GstAV1LoopFilterParams;
110 typedef struct _GstAV1QuantizationParams GstAV1QuantizationParams;
111 typedef struct _GstAV1SegmenationParams GstAV1SegmenationParams;
112 typedef struct _GstAV1TileInfo GstAV1TileInfo;
113 typedef struct _GstAV1CDEFParams GstAV1CDEFParams;
114 typedef struct _GstAV1LoopRestorationParams GstAV1LoopRestorationParams;
115 typedef struct _GstAV1GlobalMotionParams GstAV1GlobalMotionParams;
116 typedef struct _GstAV1FilmGrainParams GstAV1FilmGrainParams;
118 typedef struct _GstAV1ReferenceFrameInfo GstAV1ReferenceFrameInfo;
121 * GstAV1ParserResult:
122 * @GST_AV1_PARSER_OK: successful return
123 * @GST_AV1_PARSER_NO_MORE_DATA: the parser needs more data for one OBU
124 * @GST_AV1_PARSER_DROP: no need to handle this OBU, skip it
125 * @GST_AV1_PARSER_BITSTREAM_ERROR: stream error, for example, include invalid bits
126 * @GST_AV1_PARSER_MISSING_OBU_REFERENCE: no reference, for example, no sequence found
127 * @GST_AV1_PARSER_INVALID_OPERATION: something like invalid parameters
129 * Defines the result of parser process
132 GST_AV1_PARSER_OK = 0,
133 GST_AV1_PARSER_NO_MORE_DATA = 1,
134 GST_AV1_PARSER_DROP = 2,
135 GST_AV1_PARSER_BITSTREAM_ERROR = 3,
136 GST_AV1_PARSER_MISSING_OBU_REFERENCE = 4,
137 GST_AV1_PARSER_INVALID_OPERATION = 5,
138 } GstAV1ParserResult;
142 * @GST_AV1_PROFILE_0: 8-bit and 10-bit 4:2:0 and 4:0:0 only.
143 * @GST_AV1_PROFILE_1: 8-bit and 10-bit 4:4:4.
144 * @GST_AV1_PROFILE_2: 8-bit and 10-bit 4:2:2, 12-bit 4:0:0 4:2:2 and 4:4:4
145 * @GST_AV1_PROFILE_UNDEFINED: unknow AV1 profile (Since: 1.20)
147 * Defines the AV1 profiles
150 * GST_AV1_PROFILE_UNDEFINED:
157 GST_AV1_PROFILE_0 = 0,
158 GST_AV1_PROFILE_1 = 1,
159 GST_AV1_PROFILE_2 = 2,
160 GST_AV1_PROFILE_UNDEFINED,
165 * @GST_AV1_OBU_RESERVED_0: Reserved 0
166 * @GST_AV1_OBU_SEQUENCE_HEADER: Sequence Header OBU
167 * @GST_AV1_OBU_TEMPORAL_DELIMITER: Temporal Delimiter OBU
168 * @GST_AV1_OBU_FRAME_HEADER: Frame Header OBU
169 * @GST_AV1_OBU_TILE_GROUP: Tile Group OBU
170 * @GST_AV1_OBU_METADATA: Metadata OBU
171 * @GST_AV1_OBU_FRAME: Frame OBU (includes Frame Header and one Tile Group)
172 * @GST_AV1_OBU_REDUNDANT_FRAME_HEADER: Redundant Frame Header OBU
173 * @GST_AV1_OBU_TILE_LIST: Tile LIst OBU
174 * @GST_AV1_OBU_RESERVED_9: Reserved 9
175 * @GST_AV1_OBU_RESERVED_10: Reserved 10
176 * @GST_AV1_OBU_RESERVED_11: Reserved 11
177 * @GST_AV1_OBU_RESERVED_12: Reserved 12
178 * @GST_AV1_OBU_RESERVED_13: Reserved 13
179 * @GST_AV1_OBU_RESERVED_14: Reserved 14
180 * @GST_AV1_OBU_PADDING: Padding
182 * Defines all the possible OBU types
185 GST_AV1_OBU_RESERVED_0 = 0,
186 GST_AV1_OBU_SEQUENCE_HEADER = 1,
187 GST_AV1_OBU_TEMPORAL_DELIMITER = 2,
188 GST_AV1_OBU_FRAME_HEADER = 3,
189 GST_AV1_OBU_TILE_GROUP = 4,
190 GST_AV1_OBU_METADATA = 5,
191 GST_AV1_OBU_FRAME = 6,
192 GST_AV1_OBU_REDUNDANT_FRAME_HEADER = 7,
193 GST_AV1_OBU_TILE_LIST = 8,
194 GST_AV1_OBU_RESERVED_9 = 9,
195 GST_AV1_OBU_RESERVED_10 = 10,
196 GST_AV1_OBU_RESERVED_11 = 11,
197 GST_AV1_OBU_RESERVED_12 = 12,
198 GST_AV1_OBU_RESERVED_13 = 13,
199 GST_AV1_OBU_RESERVED_14 = 14,
200 GST_AV1_OBU_PADDING = 15,
205 * @GST_AV1_SEQ_LEVEL_2_0: Level 2.0
206 * @GST_AV1_SEQ_LEVEL_2_1: Level 2.1
207 * @GST_AV1_SEQ_LEVEL_2_2: Level 2.2
208 * @GST_AV1_SEQ_LEVEL_2_3: Level 2.3
209 * @GST_AV1_SEQ_LEVEL_3_0: Level 3.0
210 * @GST_AV1_SEQ_LEVEL_3_1: Level 3.1
211 * @GST_AV1_SEQ_LEVEL_3_2: Level 3.2
212 * @GST_AV1_SEQ_LEVEL_3_3: Level 3.3
213 * @GST_AV1_SEQ_LEVEL_4_0: Level 4.0
214 * @GST_AV1_SEQ_LEVEL_4_1: Level 4.1
215 * @GST_AV1_SEQ_LEVEL_4_2: Level 4.2
216 * @GST_AV1_SEQ_LEVEL_4_3: Level 4.3
217 * @GST_AV1_SEQ_LEVEL_5_0: Level 5.0
218 * @GST_AV1_SEQ_LEVEL_5_1: Level 5.1
219 * @GST_AV1_SEQ_LEVEL_5_2: Level 5.2
220 * @GST_AV1_SEQ_LEVEL_5_3: Level 5.3
221 * @GST_AV1_SEQ_LEVEL_6_0: Level 6.0
222 * @GST_AV1_SEQ_LEVEL_6_1: Level 6.1
223 * @GST_AV1_SEQ_LEVEL_6_2: Level 6.2
224 * @GST_AV1_SEQ_LEVEL_6_3: Level 6.3
225 * @GST_AV1_SEQ_LEVEL_7_0: Level 7.0
226 * @GST_AV1_SEQ_LEVEL_7_1: Level 7.1
227 * @GST_AV1_SEQ_LEVEL_7_2: Level 7.2
228 * @GST_AV1_SEQ_LEVEL_7_3: Level 7.3
229 * @GST_AV1_SEQ_LEVELS: all valid levels
230 * @GST_AV1_SEQ_LEVEL_MAX: Maximum parameters
232 * Defines all the possible OBU types
235 GST_AV1_SEQ_LEVEL_2_0 = 0,
236 GST_AV1_SEQ_LEVEL_2_1 = 1,
237 GST_AV1_SEQ_LEVEL_2_2 = 2,
238 GST_AV1_SEQ_LEVEL_2_3 = 3,
239 GST_AV1_SEQ_LEVEL_3_0 = 4,
240 GST_AV1_SEQ_LEVEL_3_1 = 5,
241 GST_AV1_SEQ_LEVEL_3_2 = 6,
242 GST_AV1_SEQ_LEVEL_3_3 = 7,
243 GST_AV1_SEQ_LEVEL_4_0 = 8,
244 GST_AV1_SEQ_LEVEL_4_1 = 9,
245 GST_AV1_SEQ_LEVEL_4_2 = 10,
246 GST_AV1_SEQ_LEVEL_4_3 = 11,
247 GST_AV1_SEQ_LEVEL_5_0 = 12,
248 GST_AV1_SEQ_LEVEL_5_1 = 13,
249 GST_AV1_SEQ_LEVEL_5_2 = 14,
250 GST_AV1_SEQ_LEVEL_5_3 = 15,
251 GST_AV1_SEQ_LEVEL_6_0 = 16,
252 GST_AV1_SEQ_LEVEL_6_1 = 17,
253 GST_AV1_SEQ_LEVEL_6_2 = 18,
254 GST_AV1_SEQ_LEVEL_6_3 = 19,
255 GST_AV1_SEQ_LEVEL_7_0 = 20,
256 GST_AV1_SEQ_LEVEL_7_1 = 21,
257 GST_AV1_SEQ_LEVEL_7_2 = 22,
258 GST_AV1_SEQ_LEVEL_7_3 = 23,
260 GST_AV1_SEQ_LEVEL_MAX = 31
264 * GstAV1MetadataType:
265 * @GST_AV1_METADATA_TYPE_RESERVED_0: Reserved 0
266 * @GST_AV1_METADATA_TYPE_HDR_CLL: Metadata high dynamic range content
267 * light level semantics
268 * @GST_AV1_METADATA_TYPE_HDR_MDCV: Metadata high dynamic range mastering
269 * display color volume semantics
270 * @GST_AV1_METADATA_TYPE_SCALABILITY: Metadata scalability semantics
271 * @GST_AV1_METADATA_TYPE_ITUT_T35: Metadata ITUT T35 semantics
272 * @GST_AV1_METADATA_TYPE_TIMECODE: Timecode semantics
275 GST_AV1_METADATA_TYPE_RESERVED_0 = 0,
276 GST_AV1_METADATA_TYPE_HDR_CLL = 1,
277 GST_AV1_METADATA_TYPE_HDR_MDCV = 2,
278 GST_AV1_METADATA_TYPE_SCALABILITY = 3,
279 GST_AV1_METADATA_TYPE_ITUT_T35 = 4,
280 GST_AV1_METADATA_TYPE_TIMECODE = 5,
281 } GstAV1MetadataType;
284 * GstAV1ScalabilityModes:
285 * @GST_AV1_SCALABILITY_L1T2: 1 spatial layer, 2 temporal layers
286 * @GST_AV1_SCALABILITY_L1T3: 1 spatial layer, 3 temporal layers
287 * @GST_AV1_SCALABILITY_L2T1: 2 spatial layer (ratio 2:1), 1 temporal layer,
288 * inter-layer dependency
289 * @GST_AV1_SCALABILITY_L2T2: 2 spatial layer (ratio 2:1), 2 temporal layer,
290 * inter-layer dependency
291 * @GST_AV1_SCALABILITY_L2T3: 2 spatial layer (ratio 2:1), 3 temporal layer,
292 * inter-layer dependency
293 * @GST_AV1_SCALABILITY_S2T1: 2 spatial layer (ratio 2:1), 1 temporal layer
294 * @GST_AV1_SCALABILITY_S2T2: 2 spatial layer (ratio 2:1), 2 temporal layer
295 * @GST_AV1_SCALABILITY_S2T3: 2 spatial layer (ratio 2:1), 3 temporal layer
296 * @GST_AV1_SCALABILITY_L2T1h: 2 spatial layer (ratio 1.5:1), 1 temporal layer,
297 * inter-layer dependency
298 * @GST_AV1_SCALABILITY_L2T2h: 2 spatial layer (ratio 1.5:1), 2 temporal layer,
299 * inter-layer dependency
300 * @GST_AV1_SCALABILITY_L2T3h: 2 spatial layer (ratio 1.5:1), 3 temporal layer,
301 * inter-layer dependency
302 * @GST_AV1_SCALABILITY_S2T1h: 2 spatial layer (ratio 1.5:1), 1 temporal layer
303 * @GST_AV1_SCALABILITY_S2T2h: 2 spatial layer (ratio 1.5:1), 2 temporal layer
304 * @GST_AV1_SCALABILITY_S2T3h: 2 spatial layer (ratio 1.5:1), 3 temporal layer
305 * @GST_AV1_SCALABILITY_SS: Use scalability structure #GstAV1MetadataScalability
308 GST_AV1_SCALABILITY_L1T2 = 0,
309 GST_AV1_SCALABILITY_L1T3 = 1,
310 GST_AV1_SCALABILITY_L2T1 = 2,
311 GST_AV1_SCALABILITY_L2T2 = 3,
312 GST_AV1_SCALABILITY_L2T3 = 4,
313 GST_AV1_SCALABILITY_S2T1 = 5,
314 GST_AV1_SCALABILITY_S2T2 = 6,
315 GST_AV1_SCALABILITY_S2T3 = 7,
316 GST_AV1_SCALABILITY_L2T1h = 8,
317 GST_AV1_SCALABILITY_L2T2h = 9,
318 GST_AV1_SCALABILITY_L2T3h = 10,
319 GST_AV1_SCALABILITY_S2T1h = 11,
320 GST_AV1_SCALABILITY_S2T2h = 12,
321 GST_AV1_SCALABILITY_S2T3h = 13,
322 GST_AV1_SCALABILITY_SS = 14,
323 } GstAV1ScalabilityModes;
326 * GstAV1ColorPrimaries:
327 * @GST_AV1_CP_BT_709: BT.709
328 * @GST_AV1_CP_UNSPECIFIED: Unspecified
329 * @GST_AV1_CP_BT_470_M: BT.470 System M (historical)
330 * @GST_AV1_CP_BT_470_B_G:BT.470 System B, G (historical),
331 * @GST_AV1_CP_BT_601: BT.601
332 * @GST_AV1_CP_SMPTE_240: SMPTE 240
333 * @GST_AV1_CP_GENERIC_FILM: Generic film (color filters using illuminant C,
334 * @GST_AV1_CP_BT_2020: BT.2020, BT.2100,
335 * @GST_AV1_CP_XYZ: SMPTE 428 (CIE 1921 XYZ),
336 * @GST_AV1_CP_SMPTE_431: SMPTE RP 431-2
337 * @GST_AV1_CP_SMPTE_432: SMPTE EG 432-1
338 * @GST_AV1_CP_EBU_3213: EBU Tech. 3213-E
341 GST_AV1_CP_BT_709 = 1,
342 GST_AV1_CP_UNSPECIFIED = 2,
343 GST_AV1_CP_BT_470_M = 4,
344 GST_AV1_CP_BT_470_B_G = 5,
345 GST_AV1_CP_BT_601 = 6,
346 GST_AV1_CP_SMPTE_240 = 7,
347 GST_AV1_CP_GENERIC_FILM = 8,
348 GST_AV1_CP_BT_2020 = 9,
350 GST_AV1_CP_SMPTE_431 = 11,
351 GST_AV1_CP_SMPTE_432 = 12,
352 GST_AV1_CP_EBU_3213 = 22,
353 } GstAV1ColorPrimaries;
356 * GstAV1TransferCharacteristics:
357 * @GST_AV1_TC_RESERVED_0: For future use
358 * @GST_AV1_TC_BT_709: BT.709
359 * @GST_AV1_TC_UNSPECIFIED: Unspecified
360 * @GST_AV1_TC_RESERVED_3: For future use
361 * @GST_AV1_TC_BT_470_M: BT.470 System M (historical)
362 * @GST_AV1_TC_BT_470_B_G: BT.470 System B, G (historical)
363 * @GST_AV1_TC_BT_601: BT.601
364 * @GST_AV1_TC_SMPTE_240: SMPTE 240 M
365 * @GST_AV1_TC_LINEAR: Linear
366 * @GST_AV1_TC_LOG_100: Logarithmic (100 : 1 range)
367 * @GST_AV1_TC_LOG_100_SQRT10: Logarithmic (100 * Sqrt(10) : 1 range)
368 * @GST_AV1_TC_IEC_61966: IEC 61966-2-4
369 * @GST_AV1_TC_BT_1361: BT.1361
370 * @GST_AV1_TC_SRGB: sRGB or sYCC
371 * @GST_AV1_TC_BT_2020_10_BIT: BT.2020 10-bit systems
372 * @GST_AV1_TC_BT_2020_12_BIT: BT.2020 12-bit systems
373 * @GST_AV1_TC_SMPTE_2084: SMPTE ST 2084, ITU BT.2100 PQ
374 * @GST_AV1_TC_SMPTE_428: SMPTE ST 428
375 * @GST_AV1_TC_HLG: BT.2100 HLG, ARIB STD-B67
378 GST_AV1_TC_RESERVED_0 = 0,
379 GST_AV1_TC_BT_709 = 1,
380 GST_AV1_TC_UNSPECIFIED = 2,
381 GST_AV1_TC_RESERVED_3 = 3,
382 GST_AV1_TC_BT_470_M = 4,
383 GST_AV1_TC_BT_470_B_G = 5,
384 GST_AV1_TC_BT_601 = 6,
385 GST_AV1_TC_SMPTE_240 = 7,
386 GST_AV1_TC_LINEAR = 8,
387 GST_AV1_TC_LOG_100 = 9,
388 GST_AV1_TC_LOG_100_SQRT10 = 10,
389 GST_AV1_TC_IEC_61966 = 11,
390 GST_AV1_TC_BT_1361 = 12,
391 GST_AV1_TC_SRGB = 13,
392 GST_AV1_TC_BT_2020_10_BIT = 14,
393 GST_AV1_TC_BT_2020_12_BIT = 15,
394 GST_AV1_TC_SMPTE_2084 = 16,
395 GST_AV1_TC_SMPTE_428 = 17,
397 } GstAV1TransferCharacteristics;
400 * GstAV1MatrixCoefficients:
401 * @GST_AV1_MC_IDENTITY: Identity matrix
402 * @GST_AV1_MC_BT_709: BT.709
403 * @GST_AV1_MC_UNSPECIFIED: Unspecified
404 * @GST_AV1_MC_RESERVED_3: For future use
405 * @GST_AV1_MC_FCC: US FCC 73.628
406 * @GST_AV1_MC_BT_470_B_G: BT.470 System B, G (historical)
407 * @GST_AV1_MC_BT_601: BT.601
408 * @GST_AV1_MC_SMPTE_240: SMPTE 240 M
409 * @GST_AV1_MC_SMPTE_YCGCO: YCgCo
410 * @GST_AV1_MC_BT_2020_NCL: BT.2020 non-constant luminance, BT.2100 YCbCr
411 * @GST_AV1_MC_BT_2020_CL: BT.2020 constant luminance
412 * @GST_AV1_MC_SMPTE_2085: SMPTE ST 2085 YDzDx
413 * @GST_AV1_MC_CHROMAT_NCL: Chromaticity-derived non-constant luminance
414 * @GST_AV1_MC_CHROMAT_CL: Chromaticity-derived constant luminancw
415 * @GST_AV1_MC_ICTCP: BT.2100 ICtCp
418 GST_AV1_MC_IDENTITY = 0,
419 GST_AV1_MC_BT_709 = 1,
420 GST_AV1_MC_UNSPECIFIED = 2,
421 GST_AV1_MC_RESERVED_3 = 3,
423 GST_AV1_MC_BT_470_B_G = 5,
424 GST_AV1_MC_BT_601 = 6,
425 GST_AV1_MC_SMPTE_240 = 7,
426 GST_AV1_MC_SMPTE_YCGCO = 8,
427 GST_AV1_MC_BT_2020_NCL = 9,
428 GST_AV1_MC_BT_2020_CL = 10,
429 GST_AV1_MC_SMPTE_2085 = 11,
430 GST_AV1_MC_CHROMAT_NCL = 12,
431 GST_AV1_MC_CHROMAT_CL = 13,
432 GST_AV1_MC_ICTCP = 14,
433 } GstAV1MatrixCoefficients;
436 * GstAV1ChromaSamplePositions:
437 * @GST_AV1_CSP_UNKNOWN: Unknown (in this case the source video transfer
438 * function must be signaled outside the AV1 bitstream).
439 * @GST_AV1_CSP_VERTICAL: Horizontally co-located with (0, 0) luma sample,
440 * vertical position in the middle between two luma samples.
441 * @GST_AV1_CSP_COLOCATED: co-located with (0, 0) luma sample.
442 * @GST_AV1_CSP_RESERVED: For future use.
445 GST_AV1_CSP_UNKNOWN = 0,
446 GST_AV1_CSP_VERTICAL = 1,
447 GST_AV1_CSP_COLOCATED = 2,
448 GST_AV1_CSP_RESERVED = 3,
449 } GstAV1ChromaSamplePositions;
453 * @GST_AV1_KEY_FRAME: Key Frame
454 * @GST_AV1_INTER_FRAME: InterFrame
455 * @GST_AV1_INTRA_ONLY_FRAME: Intra-Only Frame
456 * @GST_AV1_SWITCH_FRAME: Switch Frame
459 GST_AV1_KEY_FRAME = 0,
460 GST_AV1_INTER_FRAME = 1,
461 GST_AV1_INTRA_ONLY_FRAME = 2,
462 GST_AV1_SWITCH_FRAME = 3,
466 * GstAV1InterpolationFilter:
467 * @GST_AV1_INTERPOLATION_FILTER_EIGHTTAP: Eighttap
468 * @GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SMOOTH: Eighttap Smooth
469 * @GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SHARP: Eighttap Sharp
470 * @GST_AV1_INTERPOLATION_FILTER_BILINEAR: Bilinear
471 * @GST_AV1_INTERPOLATION_FILTER_SWITCHABLE: Filter is swichtable
474 GST_AV1_INTERPOLATION_FILTER_EIGHTTAP = 0,
475 GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SMOOTH = 1,
476 GST_AV1_INTERPOLATION_FILTER_EIGHTTAP_SHARP = 2,
477 GST_AV1_INTERPOLATION_FILTER_BILINEAR = 3,
478 GST_AV1_INTERPOLATION_FILTER_SWITCHABLE = 4,
479 } GstAV1InterpolationFilter;
483 * @GST_AV1_TX_MODE_ONLY_4x4: the inverse transform will use only 4x4 transforms.
484 * @GST_AV1_TX_MODE_LARGEST: the inverse transform will use the largest transform
485 * size that fits inside the block.
486 * @GST_AV1_TX_MODE_SELECT: the choice of transform size is specified explicitly
490 GST_AV1_TX_MODE_ONLY_4x4 = 0,
491 GST_AV1_TX_MODE_LARGEST = 1,
492 GST_AV1_TX_MODE_SELECT = 2,
496 * GstAV1FrameRestorationType:
497 * @GST_AV1_FRAME_RESTORE_NONE: no filtering is applied
498 * @GST_AV1_FRAME_RESTORE_WIENER: Wiener filter process is invoked
499 * @GST_AV1_FRAME_RESTORE_SGRPROJ: self guided filter proces is invoked
500 * @GST_AV1_FRAME_RESTORE_SWITCHABLE: restoration filter is swichtable
503 GST_AV1_FRAME_RESTORE_NONE = 0,
504 GST_AV1_FRAME_RESTORE_WIENER = 1,
505 GST_AV1_FRAME_RESTORE_SGRPROJ = 2,
506 GST_AV1_FRAME_RESTORE_SWITCHABLE = 3,
507 } GstAV1FrameRestorationType;
510 * GstAV1ReferenceFrame:
511 * @GST_AV1_REF_INTRA_FRAME: Intra Frame Reference
512 * @GST_AV1_REF_LAST_FRAME: Last Reference Frame
513 * @GST_AV1_REF_LAST2_FRAME: Last2 Reference Frame
514 * @GST_AV1_REF_LAST3_FRAME: Last3 Reference Frame
515 * @GST_AV1_REF_GOLDEN_FRAME: Golden Reference Frame
516 * @GST_AV1_REF_BWDREF_FRAME: BWD Reference Frame
517 * @GST_AV1_REF_ALTREF2_FRAME: Alternative2 Reference Frame
518 * @GST_AV1_REF_ALTREF_FRAME: Alternative Reference Frame
519 * @GST_AV1_NUM_REF_FRAMES: Total Reference Frame Number
522 GST_AV1_REF_INTRA_FRAME = 0,
523 GST_AV1_REF_LAST_FRAME = 1,
524 GST_AV1_REF_LAST2_FRAME = 2,
525 GST_AV1_REF_LAST3_FRAME = 3,
526 GST_AV1_REF_GOLDEN_FRAME = 4,
527 GST_AV1_REF_BWDREF_FRAME = 5,
528 GST_AV1_REF_ALTREF2_FRAME = 6,
529 GST_AV1_REF_ALTREF_FRAME = 7,
530 GST_AV1_NUM_REF_FRAMES
531 } GstAV1ReferenceFrame;
534 * GstAV1WarpModelType:
535 * @GST_AV1_WARP_MODEL_IDENTITY: Warp model is just an identity transform
536 * @GST_AV1_WARP_MODEL_TRANSLATION: Warp model is a pure translation
537 * @GST_AV1_WARP_MODEL_ROTZOOM: Warp model is a rotation + symmetric zoom
539 * @GST_AV1_WARP_MODEL_AFFINE: Warp model is a general affine transform
542 GST_AV1_WARP_MODEL_IDENTITY = 0,
543 GST_AV1_WARP_MODEL_TRANSLATION = 1,
544 GST_AV1_WARP_MODEL_ROTZOOM = 2,
545 GST_AV1_WARP_MODEL_AFFINE = 3,
546 } GstAV1WarpModelType;
550 * @obu_type: the type of data structure contained in the OBU payload.
551 * @obu_extention_flag: indicates if OBU header extention is present.
552 * @obu_has_size_field: equal to 1 indicates that the obu_size syntax element will be
553 * present. @obu_has_size_field equal to 0 indicates that the @obu_size syntax element
554 * will not be present.
555 * @obu_temporal_id: specifies the temporal level of the data contained in the OBU.
556 * @obu_spatial_id: specifies the spatial level of the data contained in the OBU.
558 * Collect info for OBU header and OBU extension header if
559 * obu_extension_flag == 1.
561 struct _GstAV1OBUHeader {
562 GstAV1OBUType obu_type;
563 gboolean obu_extention_flag;
564 gboolean obu_has_size_field;
565 guint8 obu_temporal_id;
566 guint8 obu_spatial_id;
571 * @header: a #GstAV1OBUHeader OBU Header
572 * @obu_type: the type of data structure contained in the OBU payload.
573 * @data: references the current data chunk that holds the OBU
574 * @obu_size: size of the OBU, not include header size
576 * It is the general representation of AV1 OBU (Open Bitstream
577 * Unit). One OBU include its header and payload.
580 GstAV1OBUHeader header;
581 GstAV1OBUType obu_type;
587 * GstAV1OperatingPoint:
588 * @seq_level_idx: specifies the level that the coded video sequence conforms to.
589 * @seq_tier: specifies the tier that the coded video sequence conforms to.
590 * @idc: contains a bitmask that indicates which spatial and temporal layers should be
591 * decoded. Bit k is equal to 1 if temporal layer k should be decoded (for k between
592 * 0 and 7). Bit j+8 is equal to 1 if spatial layer j should be decoded (for j between
594 * @decoder_model_present_for_this_op: equal to one indicates that there is a decoder model
595 * associated with this operating point. @decoder_model_present_for_this_op equal to zero
596 * indicates that there is not a decoder model associated.
597 * @decoder_buffer_delay: specifies the time interval between the arrival of the first bit
598 * in the smoothing buffer and the subsequent removal of the data that belongs to the
599 * first coded frame for operating point op, measured in units of 1/90000 seconds. The
600 * length of @decoder_buffer_delay is specified by @buffer_delay_length_minus_1 + 1, in bits.
601 * @encoder_buffer_delay: specifies, in combination with @decoder_buffer_delay syntax element,
602 * the first bit arrival time of frames to be decoded to the smoothing buffer.
603 * @encoder_buffer_delay is measured in units of 1/90000 seconds. For a video sequence that
604 * includes one or more random access points the sum of @decoder_buffer_delay and
605 * @encoder_buffer_delay shall be kept constant.
606 * @low_delay_mode_flag: equal to 1 indicates that the smoothing buffer operates in low-delay
607 * mode for operating point op. In low-delay mode late decode times and buffer underflow
608 * are both permitted. @low_delay_mode_flag equal to 0 indicates that the smoothing buffer
609 * operates in strict mode, where buffer underflow is not allowed.
610 * @initial_display_delay_present_for_this_op: equal to 1 indicates that
611 * @initial_display_delay_minus_1 is specified for this operating. 0 indicates that
612 * @initial_display_delay_minus_1 is not specified for this operating point.
613 * @initial_display_delay_minus_1: plus 1 specifies, for operating point i, the number of
614 * decoded frames that should be present in the buffer pool before the first presentable
615 * frame is displayed. This will ensure that all presentable frames in the sequence can
616 * be decoded at or before the time that they are scheduled for display.
618 struct _GstAV1OperatingPoint {
619 guint8 seq_level_idx;
622 gboolean decoder_model_present_for_this_op;
623 guint8 decoder_buffer_delay;
624 guint8 encoder_buffer_delay;
625 gboolean low_delay_mode_flag;
626 gboolean initial_display_delay_present_for_this_op;
627 guint8 initial_display_delay_minus_1;
631 * GstAV1DecoderModelInfo:
632 * @buffer_delay_length_minus_1: plus 1 specifies the length of the
633 * @decoder_buffer_delay and the @encoder_buffer_delay syntax elements,
635 * @num_units_in_decoding_tick: is the number of time units of a decoding clock
636 * operating at the frequency @time_scale Hz that corresponds to one increment
637 * of a clock tick counter.
638 * @buffer_removal_time_length_minus_1: plus 1 specifies the length of the
639 * @buffer_removal_time syntax element, in bits.
640 * @frame_presentation_time_length_minus_1: plus 1 specifies the length of the
641 * @frame_presentation_time syntax element, in bits.
643 struct _GstAV1DecoderModelInfo {
644 guint8 buffer_delay_length_minus_1;
645 guint32 num_units_in_decoding_tick;
646 guint8 buffer_removal_time_length_minus_1;
647 guint8 frame_presentation_time_length_minus_1;
652 * @num_units_in_display_tick: is the number of time units of a clock operating at the
653 * frequency @time_scale Hz that corresponds to one increment of a clock tick counter.
654 * A clock tick, in seconds, is equal to num_units_in_display_tick divided by time_scale.
655 * It is a requirement of bitstream conformance that num_units_in_display_tick is greater
657 * @time_scale: is the number of time units that pass in one second. It is a requirement of
658 * bitstream conformance that @time_scale is greater than 0.
659 * @equal_picture_interval: equal to 1 indicates that pictures should be displayed according
660 * to their output order with the number of ticks between two consecutive pictures (without
661 * dropping frames) specified by @num_ticks_per_picture_minus_1 + 1. @equal_picture_interval
662 * equal to 0 indicates that the interval between two consecutive pictures is not specified.
663 * @num_ticks_per_picture_minus_1: plus 1 specifies the number of clock ticks corresponding
664 * to output time between two consecutive pictures in the output order. It is a requirement
665 * of bitstream conformance that the value of @num_ticks_per_picture_minus_1 shall be in the
666 * range of 0 to (1 << 32) - 2, inclusive.
668 struct _GstAV1TimingInfo {
669 guint32 num_units_in_display_tick;
671 gboolean equal_picture_interval;
672 guint32 num_ticks_per_picture_minus_1;
677 * @high_bitdepth: syntax element which, together with @seq_profile, determine the bit depth.
678 * @twelve_bit: is syntax elements which, together with @seq_profile and @high_bitdepth,
679 * determines the bit depth.
680 * @mono_chrome: equal to 1 indicates that the video does not contain U and V color planes.
681 * @mono_chrome equal to 0 indicates that the video contains Y, U, and V color planes.
682 * @color_description_present_flag: equal to 1 specifies that color_primaries,
683 * @transfer_characteristics, and @matrix_coefficients are present.
684 * @color_description_present_flag equal to 0 specifies that @color_primaries,
685 * @transfer_characteristics and @matrix_coefficients are not present.
686 * @color_primaries: is an integer that is defined by the "Color primaries" section of
687 * ISO/IEC 23091-4/ITU-T H.273.
688 * @transfer_characteristics: is an integer that is defined by the "Transfer characteristics"
689 * section of ISO/IEC 23091-4/ITU-T H.273.
690 * @matrix_coefficients: is an integer that is defined by the "Matrix coefficients" section
691 * of ISO/IEC 23091-4/ITU-T H.273.
692 * @color_range: is a binary value that is associated with the VideoFullRangeFlag variable
693 * specified in ISO/IEC 23091-4/ITU-T H.273. color range equal to 0 shall be referred to
694 * as the studio swing representation and color range equal to 1 shall be referred to as
695 * the full swing representation for all intents relating to this specification.
696 * @subsampling_x, @subsampling_y: specify the chroma subsampling format. If
697 * @matrix_coefficients is equal to GST_AV1_MC_IDENTITY, it is a requirement of bitstream
698 * conformance that @subsampling_x is equal to 0 and @subsampling_y is equal to 0.
699 * @chroma_sample_position specifies the sample position for subsampled streams:
700 * @separate_uv_delta_q: equal to 1 indicates that the U and V planes may have separate
701 * delta quantizer values. @separate_uv_delta_q equal to 0 indicates that the U and V
702 * planes will share the same delta quantizer value.
704 struct _GstAV1ColorConfig {
705 gboolean high_bitdepth;
707 gboolean mono_chrome;
708 gboolean color_description_present_flag;
709 GstAV1ColorPrimaries color_primaries;
710 GstAV1TransferCharacteristics transfer_characteristics;
711 GstAV1MatrixCoefficients matrix_coefficients;
712 gboolean color_range;
713 guint8 subsampling_x;
714 guint8 subsampling_y;
715 GstAV1ChromaSamplePositions chroma_sample_position;
716 gboolean separate_uv_delta_q;
720 * GstAV1SequenceHeaderOBU:
721 * @seq_profile: specifies the features that can be used in the coded video sequence
722 * @still_picture: equal to 1 specifies that the bitstream contains only one coded frame.
723 * @reduced_still_picture_header: specifies that the syntax elements not needed by a still
724 * picture are omitted.
725 * @frame_width_bits_minus_1: specifies the number of bits minus 1 used for transmitting
726 * the frame width syntax elements.
727 * @frame_height_bits_minus_1: specifies the number of bits minus 1 used for transmitting
728 * the frame height syntax elements.
729 * @max_frame_width_minus_1: specifies the maximum frame width minus 1 for the frames
730 * represented by this sequenceheader.
731 * @max_frame_height_minus_1: specifies the maximum frame height minus 1 for the frames
732 * represented by this sequenceheader.
733 * @frame_id_numbers_present_flag: specifies whether frame id numbers are present in the bitstream.
734 * @delta_frame_id_length_minus_2: specifies the number of bits minus 2 used to encode
735 * delta_frame_id syntax elements.
736 * @additional_frame_id_length_minus_1: is used to calculate the number of bits used to
737 * encode the frame_id syntax element.
738 * @use_128x128_superblock: when equal to 1, indicates that superblocks contain 128x128 luma
739 * samples. When equal to 0, it indicates that superblocks contain 64x64 luma samples.
740 * (The number of contained chroma samples depends on @subsampling_x and @subsampling_y).
741 * @enable_filter_intra: equal to 1 specifies that the @use_filter_intra syntax element may
742 * be present. @enable_filter_intra equal to 0 specifies that the @use_filter_intra syntax
743 * element will not be present.
744 * @enable_intra_edge_filter: specifies whether the intra edge filtering process should be enabled.
745 * @enable_interintra_compound: equal to 1 specifies that the mode info for inter blocks may
746 * contain the syntax element interintra. @enable_interintra_compound equal to 0 specifies
747 * that the syntax element interintra will not be present.
748 * @enable_masked_compound: equal to 1 specifies that the mode info for inter blocks may
749 * contain the syntax element @compound_type. @enable_masked_compound equal to 0 specifies
750 * that the syntax element @compound_type will not be present.
751 * @enable_warped_motion: equal to 1 indicates that the allow_warped_motion syntax element
752 * may be present. @enable_warped_motion equal to 0 indicates that the @allow_warped_motion
753 * syntax element will not be present.
754 * @enable_order_hint: equal to 1 indicates that tools based on the values of order hints
755 * may be used. @enable_order_hint equal to 0 indicates that tools based on order hints
757 * @enable_dual_filter: equal to 1 indicates that the inter prediction filter type may be
758 * specified independently in the horizontal and vertical directions. If the flag is equal
759 * to 0, only one filter type may be specified, which is then used in both directions.
760 * @enable_jnt_comp: equal to 1 indicates that the distance weights process may be used
761 * for inter prediction.
762 * @enable_ref_frame_mvs: equal to 1 indicates that the @use_ref_frame_mvs syntax element
763 * may be present. @enable_ref_frame_mvs equal to 0 indicates that the @use_ref_frame_mvs
764 * syntax element will not be present.
765 * @seq_choose_screen_content_tools: equal to 0 indicates that the @seq_force_screen_content_tools
766 * syntax element will be present. @seq_choose_screen_content_tools equal to 1 indicates
767 * that @seq_force_screen_content_tools should be set equal to SELECT_SCREEN_CONTENT_TOOLS.
768 * @seq_force_screen_content_tools: equal to SELECT_SCREEN_CONTENT_TOOLS indicates that the
769 * @allow_screen_content_tools syntax element will be present in the frame header. Otherwise,
770 * @seq_force_screen_content_tools contains the value for @allow_screen_content_tools.
771 * @seq_choose_integer_mv: equal to 0 indicates that the seq_force_integer_mv syntax element
772 * will be present. @seq_choose_integer_mv equal to 1 indicates that @seq_force_integer_mv
773 * should be set equal to SELECT_INTEGER_MV.
774 * @seq_force_integer_mv: equal to SELECT_INTEGER_MV indicates that the @force_integer_mv
775 * syntax element will be present in the frame header (providing allow_screen_content_tools
776 * is equal to 1). Otherwise, @seq_force_integer_mv contains the value for @force_integer_mv.
777 * @order_hint_bits_minus_1: is used to compute OrderHintBits.
778 * @enable_superres: equal to 1 specifies that the use_superres syntax element will be present
779 * in the uncompressed header. enable_superres equal to 0 specifies that the use_superres
780 * syntax element will not be present (instead use_superres will be set to 0 in the
781 * uncompressed header without being read).
782 * @enable_cdef: equal to 1 specifies that cdef filtering may be enabled. enable_cdef equal
783 * to 0 specifies that cdef filtering is disabled.
784 * @enable_restoration: equal to 1 specifies that loop restoration filtering may be enabled.
785 * enable_restoration equal to 0 specifies that loop restoration filtering is disabled.
786 * @film_grain_params_present: specifies whether film grain parameters are present in the bitstream.
787 * @operating_points_cnt_minus_1: indicates the number of operating points minus 1 present
789 * @operating_points: specifies the corresponding operating point for a set of operating
791 * @decoder_model_info_present_flag: specifies whether the decoder model info is present in
793 * @decoder_model_info: holds information about the decoder model.
794 * @initial_display_delay_present_flag: specifies whether initial display delay information
795 * is present in the bitstream or not.
796 * @timing_info_present_flag: specifies whether timing info is present in the bitstream.
797 * @timing_info: holds the timing information.
798 * @color_config: hold the color configuration.
799 * @order_hint_bits: specifies the number of bits used for the order_hint syntax element.
800 * @bit_depth: the bit depth of the stream.
801 * @num_planes: the YUV plane number.
803 struct _GstAV1SequenceHeaderOBU {
804 GstAV1Profile seq_profile;
805 gboolean still_picture;
806 guint8 reduced_still_picture_header;
808 guint8 frame_width_bits_minus_1;
809 guint8 frame_height_bits_minus_1;
810 guint16 max_frame_width_minus_1;
811 guint16 max_frame_height_minus_1;
813 gboolean frame_id_numbers_present_flag;
814 guint8 delta_frame_id_length_minus_2;
815 guint8 additional_frame_id_length_minus_1;
817 gboolean use_128x128_superblock;
818 gboolean enable_filter_intra;
819 gboolean enable_intra_edge_filter;
820 gboolean enable_interintra_compound;
821 gboolean enable_masked_compound;
822 gboolean enable_warped_motion;
823 gboolean enable_order_hint;
824 gboolean enable_dual_filter;
825 gboolean enable_jnt_comp;
826 gboolean enable_ref_frame_mvs;
827 gboolean seq_choose_screen_content_tools;
828 guint8 seq_force_screen_content_tools;
829 gboolean seq_choose_integer_mv;
830 guint8 seq_force_integer_mv;
831 gint8 order_hint_bits_minus_1;
833 gboolean enable_superres;
834 gboolean enable_cdef;
835 gboolean enable_restoration;
837 guint8 film_grain_params_present;
839 guint8 operating_points_cnt_minus_1;
840 GstAV1OperatingPoint operating_points[GST_AV1_MAX_OPERATING_POINTS];
842 gboolean decoder_model_info_present_flag;
843 GstAV1DecoderModelInfo decoder_model_info;
844 guint8 initial_display_delay_present_flag;
846 gboolean timing_info_present_flag;
847 GstAV1TimingInfo timing_info;
849 GstAV1ColorConfig color_config;
851 /* Global var calculated by sequence */
852 guint8 order_hint_bits; /* OrderHintBits */
853 guint8 bit_depth; /* BitDepth */
854 guint8 num_planes; /* NumPlanes */
858 * GstAV1MetadataITUT_T35:
859 * @itu_t_t35_country_code: shall be a byte having a value specified as a country code by
860 * Annex A of Recommendation ITU-T T.35.
861 * @itu_t_t35_country_code_extension_byte: shall be a byte having a value specified as a
862 * country code by Annex B of Recommendation ITU-T T.35.
863 * @itu_t_t35_payload_bytes: shall be bytes containing data registered as specified in
864 * Recommendation ITU-T T.35.
866 struct _GstAV1MetadataITUT_T35 {
867 guint8 itu_t_t35_country_code;
868 guint8 itu_t_t35_country_code_extention_byte;
869 /* itu_t_t35_payload_bytes - not specified at this spec */
870 guint8 *itu_t_t35_payload_bytes;
874 * GstAV1MetadataHdrCll:
875 * @max_cll: specifies the maximum content light level as specified in CEA-861.3, Appendix A.
876 * @max_fall: specifies the maximum frame-average light level as specified in CEA-861.3, Appendix A.
878 * High Dynamic Range content light level syntax metadata.
880 struct _GstAV1MetadataHdrCll {
886 * GstAV1MetadataHdrMdcv:
887 * @primary_chromaticity_x: specifies a 0.16 fixed-point X chromaticity coordinate as
888 * defined by CIE 1931, where i = 0,1,2 specifies Red, Green, Blue respectively.
889 * @primary_chromaticity_y: specifies a 0.16 fixed-point Y chromaticity coordinate as
890 * defined by CIE 1931, where i = 0,1,2 specifies Red, Green, Blue respectively.
891 * @white_point_chromaticity_x: specifies a 0.16 fixed-point white X chromaticity coordinate
892 * as defined by CIE 1931.
893 * @white_point_chromaticity_y: specifies a 0.16 fixed-point white Y chromaticity coordinate
894 * as defined by CIE 1931.
895 * @luminance_max: is a 24.8 fixed-point maximum luminance, represented in candelas per
897 * @luminance_min: is a 18.14 fixed-point minimum luminance, represented in candelas per
900 * High Dynamic Range mastering display color volume metadata.
902 struct _GstAV1MetadataHdrMdcv {
903 guint16 primary_chromaticity_x[3];
904 guint16 primary_chromaticity_y[3];
905 guint16 white_point_chromaticity_x;
906 guint16 white_point_chromaticity_y;
907 guint32 luminance_max;
908 guint32 luminance_min;
912 * GstAV1MetadataScalability:
913 * @scalability_mode_idc: indicates the picture prediction structure of the bitstream.
914 * @spatial_layers_cnt_minus_1: indicates the number of spatial layers present in the video
915 * sequence minus one.
916 * @spatial_layer_description_present_flag: indicates when set to 1 that the
917 * spatial_layer_ref_id is present for each of the (@spatial_layers_cnt_minus_1 + 1) layers,
918 * or that it is not present when set to 0.
919 * @spatial_layer_dimensions_present_flag: indicates when set to 1 that the
920 * @spatial_layer_max_width and @spatial_layer_max_height parameters are present for each of
921 * the (@spatial_layers_cnt_minus_1 + 1) layers, or that it they are not present when set to 0.
922 * @temporal_group_description_present_flag: indicates when set to 1 that the temporal
923 * dependency information is present, or that it is not when set to 0.
924 * @spatial_layer_max_width: specifies the maximum frame width for the frames with
925 * @spatial_id equal to i. This number must not be larger than @max_frame_width_minus_1 + 1.
926 * @spatial_layer_max_height: specifies the maximum frame height for the frames with
927 * @spatial_id equal to i. This number must not be larger than @max_frame_height_minus_1 + 1.
928 * @spatial_layer_ref_id: specifies the @spatial_id value of the frame within the current
929 * temporal unit that the frame of layer i uses for reference. If no frame within the
930 * current temporal unit is used for reference the value must be equal to 255.
931 * @temporal_group_size: indicates the number of pictures in a temporal picture group. If the
932 * @temporal_group_size is greater than 0, then the scalability structure data allows the
933 * inter-picture temporal dependency structure of the video sequence to be specified. If the
934 * @temporal_group_size is greater than 0, then for @temporal_group_size pictures in the
935 * temporal group, each picture's temporal layer id (@temporal_id), switch up points
936 * (@temporal_group_temporal_switching_up_point_flag and
937 * @temporal_group_spatial_switching_up_point_flag), and the reference picture indices
938 * (@temporal_group_ref_pic_diff) are specified. The first picture specified in a temporal
939 * group must have @temporal_id equal to 0. If the parameter @temporal_group_size is not
940 * present or set to 0, then either there is only one temporal layer or there is no fixed
941 * inter-picture temporal dependency present going forward in the video sequence. Note that
942 * for a given picture, all frames follow the same inter-picture temporal dependency
943 * structure. However, the frame rate of each layer can be different from each other. The
944 * specified dependency structure in the scalability structure data must be for the highest
946 * @temporal_group_temporal_id: specifies the temporal_id value for the i-th picture in
947 * the temporal group.
948 * @temporal_group_temporal_switching_up_point_flag: is set to 1 if subsequent (in decoding
949 * order) pictures with a @temporal_id higher than @temporal_group_temporal_id[i] do not
950 * depend on any picture preceding the current picture (in coding order) with @temporal_id
951 * higher than @temporal_group_temporal_id[ i ].
952 * @temporal_group_spatial_switching_up_point_flag: is set to 1 if spatial layers of the
953 * current picture in the temporal group (i.e., pictures with a spatial_id higher than zero)
954 * do not depend on any picture preceding the current picture in the temporal group.
955 * @temporal_group_ref_cnt: indicates the number of reference pictures used by the i-th
956 * picture in the temporal group.
957 * @temporal_group_ref_pic_diff: indicates, for the i-th picture in the temporal group,
958 * the temporal distance between the i-th picture and the j-th reference picture used by
959 * the i-th picture. The temporal distance is measured in frames, counting only frames of
960 * identical @spatial_id values.
962 * The scalability metadata OBU is intended for use by intermediate
963 * processing entities that may perform selective layer elimination.
965 struct _GstAV1MetadataScalability {
966 GstAV1ScalabilityModes scalability_mode_idc;
967 guint8 spatial_layers_cnt_minus_1;
968 gboolean spatial_layer_dimensions_present_flag;
969 gboolean spatial_layer_description_present_flag;
970 gboolean temporal_group_description_present_flag;
971 guint16 spatial_layer_max_width[GST_AV1_MAX_SPATIAL_LAYERS];
972 guint16 spatial_layer_max_height[GST_AV1_MAX_SPATIAL_LAYERS];
973 guint8 spatial_layer_ref_id[GST_AV1_MAX_SPATIAL_LAYERS];
974 guint8 temporal_group_size;
976 guint8 temporal_group_temporal_id[GST_AV1_MAX_TEMPORAL_GROUP_SIZE];
977 guint8 temporal_group_temporal_switching_up_point_flag[GST_AV1_MAX_TEMPORAL_GROUP_SIZE];
978 guint8 temporal_group_spatial_switching_up_point_flag[GST_AV1_MAX_TEMPORAL_GROUP_SIZE];
979 guint8 temporal_group_ref_cnt[GST_AV1_MAX_TEMPORAL_GROUP_SIZE];
980 guint8 temporal_group_ref_pic_diff[GST_AV1_MAX_TEMPORAL_GROUP_SIZE]
981 [GST_AV1_MAX_TEMPORAL_GROUP_REFERENCES];
985 * GstAV1MetadataTimecode:
986 * @counting_type: specifies the method of dropping values of the n_frames syntax element as
987 * specified in AV1 Spec 6.1.1. @counting_type should be the same for all pictures in the
988 * coded video sequence.
989 * @full_timestamp_flag: equal to 1 indicates that the the @seconds_value, @minutes_value,
990 * @hours_value syntax elements will be present. @full_timestamp_flag equal to 0 indicates
991 * that there are flags to control the presence of these syntax elements.
992 * @discontinuity_flag: equal to 0 indicates that the difference between the current value
993 * of clockTimestamp and the value of clockTimestamp computed from the previous set of
994 * timestamp syntax elements in output order can be interpreted as the time difference
995 * between the times of origin or capture of the associated frames or fields.
996 * @discontinuity_flag equal to 1 indicates that the difference between the current value of
997 * clockTimestamp and the value of clockTimestamp computed from the previous set of clock
998 * timestamp syntax elements in output order should not be interpreted as the time difference
999 * between the times of origin or capture of the associated frames or fields.
1000 * @cnt_dropped_flag: specifies the skipping of one or more values of @n_frames using the
1001 * counting method specified by counting_type.
1002 * @n_frames: is used to compute clockTimestamp. When @timing_info_present_flag is equal to 1,
1003 * @n_frames shall be less than maxFps, where maxFps is specified by
1004 * maxFps = ceil( time_scale / ( 2 * @num_units_in_display_tick ) ).
1005 * @seconds_flag: equal to 1 specifies that @seconds_value and @minutes_flag are present when
1006 * @full_timestamp_flag is equal to 0. @seconds_flag equal to 0 specifies that @seconds_value
1007 * and @minutes_flag are not present.
1008 * @seconds_value: is used to compute clockTimestamp and shall be in the range of 0 to 59.
1009 * When @seconds_value is not present, its value is inferred to be equal to the value of
1010 * @seconds_value for the previous set of clock timestamp syntax elements in decoding order,
1011 * and it is required that such a previous @seconds_value shall have been present.
1012 * @minutes_flag: equal to 1 specifies that @minutes_value and @hours_flag are present when
1013 * @full_timestamp_flag is equal to 0 and @seconds_flag is equal to 1. @minutes_flag equal to 0
1014 * specifies that @minutes_value and @hours_flag are not present.
1015 * @minutes_value: specifies the value of mm used to compute clockTimestamp and shall be in
1016 * the range of 0 to 59, inclusive. When minutes_value is not present, its value is inferred
1017 * to be equal to the value of @minutes_value for the previous set of clock timestamp syntax
1018 * elements in decoding order, and it is required that such a previous @minutes_value shall
1019 * have been present.
1020 * @hours_flag: equal to 1 specifies that @hours_value is present when @full_timestamp_flag is
1021 * equal to 0 and @seconds_flag is equal to 1 and @minutes_flag is equal to 1.
1022 * @hours_value: is used to compute clockTimestamp and shall be in the range of 0 to 23,
1023 * inclusive. When @hours_value is not present, its value is inferred to be equal to the
1024 * value of @hours_value for the previous set of clock timestamp syntax elements in decoding
1025 * order, and it is required that such a previous @hours_value shall have been present.
1026 * @time_offset_length: greater than 0 specifies the length in bits of the @time_offset_value
1027 * syntax element. @time_offset_length equal to 0 specifies that the @time_offset_value syntax
1028 * element is not present. @time_offset_length should be the same for all pictures in the
1029 * coded video sequence.
1030 * @time_offset_value: is used to compute clockTimestamp. The number of bits used to represent
1031 * @time_offset_value is equal to @time_offset_length. When @time_offset_value is not present,
1032 * its value is inferred to be equal to 0.
1034 struct _GstAV1MetadataTimecode {
1035 guint8 counting_type; /* candidate for sperate Type GstAV1TimecodeCountingType */
1036 gboolean full_timestamp_flag;
1037 gboolean discontinuity_flag;
1038 gboolean cnt_dropped_flag;
1040 gboolean seconds_flag;
1041 guint8 seconds_value;
1042 gboolean minutes_flag;
1043 guint8 minutes_value;
1044 gboolean hours_flag;
1046 guint8 time_offset_length;
1047 guint32 time_offset_value;
1051 * GstAV1MetadataOBU:
1052 * @metadata_type: type of metadata
1053 * @itut_t35: ITUT T35 metadata
1054 * @hdrcll: high dynamic range content light level metadata
1055 * @hdrcmdcv: high dynamic range mastering display color volume metadata_type
1056 * @scalability: Scalability metadata
1057 * @timecode: Timecode metadata
1059 struct _GstAV1MetadataOBU {
1060 GstAV1MetadataType metadata_type;
1062 GstAV1MetadataITUT_T35 itut_t35;
1063 GstAV1MetadataHdrCll hdr_cll;
1064 GstAV1MetadataHdrMdcv hdr_mdcv;
1065 GstAV1MetadataScalability scalability;
1066 GstAV1MetadataTimecode timecode;
1071 * GstAV1LoopFilterParams:
1072 * @loop_filter_level: is an array containing loop filter strength values. Different loop
1073 * filter strength values from the array are used depending on the image plane being
1074 * filtered, and the edge direction (vertical or horizontal) being filtered.
1075 * @loop_filter_sharpness: indicates the sharpness level. The @loop_filter_level and
1076 * @loop_filter_sharpness together determine when a block edge is filtered, and by how much
1077 * the filtering can change the sample values. The loop filter process is described in AV1
1078 * Bitstream Spec. section 7.14.
1079 * @loop_filter_delta_enabled: equal to 1 means that the filter level depends on the mode and
1080 * reference frame used to predict a block. @loop_filter_delta_enabled equal to 0 means that
1081 * the filter level does not depend on the mode and reference frame.
1082 * @loop_filter_delta_update: equal to 1 means that the bitstream contains additional syntax
1083 * elements that specify which mode and reference frame deltas are to be updated.
1084 * @loop_filter_delta_update equal to 0 means that these syntax elements are not present.
1085 * @loop_filter_ref_deltas: contains the adjustment needed for the filter level based on
1086 * the chosen reference frame. If this syntax element is not present in the bitstream,
1087 * it maintains its previous value.
1088 * @loop_filter_mode_deltas: contains the adjustment needed for the filter level based on
1089 * the chosen mode. If this syntax element is not present in the bitstream, it maintains
1090 * its previous value.
1091 * @delta_lf_present: specifies whether loop filter delta values are present in the bitstream.
1092 * @delta_lf_res: specifies the left shift which should be applied to decoded loop filter
1094 * @delta_lf_multi: equal to 1 specifies that separate loop filter deltas are sent for
1095 * horizontal luma edges, vertical luma edges, the U edges, and the V edges. @delta_lf_multi
1096 * equal to 0 specifies that the same loop filter delta is used for all edges.
1098 struct _GstAV1LoopFilterParams {
1099 guint8 loop_filter_level[4];
1100 guint8 loop_filter_sharpness;
1101 gboolean loop_filter_delta_enabled;
1102 gboolean loop_filter_delta_update;
1104 gint8 loop_filter_ref_deltas[GST_AV1_TOTAL_REFS_PER_FRAME];
1105 gint8 loop_filter_mode_deltas[2];
1107 gboolean delta_lf_present;
1108 guint8 delta_lf_res;
1109 guint8 delta_lf_multi;
1113 * GstAV1QuantizationParams:
1114 * @base_q_idx: indicates the base frame qindex. This is used for Y AC coefficients and as
1115 * the base value for the other quantizers.
1116 * @diff_uv_delta: equal to 1 indicates that the U and V delta quantizer values are coded
1117 * separately. @diff_uv_delta equal to 0 indicates that the U and V delta quantizer values
1118 * share a common value.
1119 * @using_qmatrix: specifies that the quantizer matrix will be used to compute quantizers.
1120 * @qm_y: specifies the level in the quantizer matrix that should be used for luma plane decoding.
1121 * @qm_u: specifies the level in the quantizer matrix that should be used for chroma U plane decoding.
1122 * @qm_v: specifies the level in the quantizer matrix that should be used for chroma V plane decoding.
1123 * @delta_q_present: specifies whether quantizer index delta values are present in the bitstream.
1124 * @delta_q_res: specifies the left shift which should be applied to decoded quantizer index
1126 * @delta_q_y_dc: indicates the Y DC quantizer relative to base_q_idx.
1127 * @delta_q_u_dc: indicates the U DC quantizer relative to base_q_idx.
1128 * @delta_q_u_ac: indicates the U AC quantizer relative to base_q_idx.
1129 * @delta_q_v_dc: indicates the V DC quantizer relative to base_q_idx.
1130 * @delta_q_v_ac: indicates the V AC quantizer relative to base_q_idx.
1132 struct _GstAV1QuantizationParams {
1134 gboolean diff_uv_delta;
1135 gboolean using_qmatrix;
1140 gboolean delta_q_present;
1143 gint8 delta_q_y_dc; /* DeltaQYDc */
1144 gint8 delta_q_u_dc; /* DeltaQUDc */
1145 gint8 delta_q_u_ac; /* DeltaQUAc */
1146 gint8 delta_q_v_dc; /* DeltaQVDc */
1147 gint8 delta_q_v_ac; /* DeltaQVAc */
1151 * GstAV1SegmenationParams:
1152 * @segmentation_enabled: equal to 1 indicates that this frame makes use of the segmentation
1153 * tool; @segmentation_enabled equal to 0 indicates that the frame does not use segmentation.
1154 * @segmentation_update_map: equal to 1 indicates that the segmentation map are updated during
1155 * the decoding of this frame. @segmentation_update_map equal to 0 means that the segmentation
1156 * map from the previous frame is used.
1157 * @segmentation_temporal_update: equal to 1 indicates that the updates to the segmentation map
1158 * are coded relative to the existing segmentation map. @segmentation_temporal_update equal to
1159 * 0 indicates that the new segmentation map is coded without reference to the existing
1161 * @segmentation_update_data: equal to 1 indicates that new parameters are about to be
1162 * specified for each segment. @segmentation_update_data equal to 0 indicates that the
1163 * segmentation parameters should keep their existing values.
1164 * @feature_enabled: set to 1 when the feature of segmentation is enabled.
1165 * @feature_data: the value of according segmentation feature.
1166 * @seg_id_pre_skip: equal to 1 indicates that the segment id will be read before the skip
1167 * syntax element. @seg_id_pre_skip equal to 0 indicates that the skip syntax element will be
1169 * @last_active_seg_id: indicates the highest numbered segment id that has some enabled feature.
1170 * This is used when decoding the segment id to only decode choices corresponding to used
1173 struct _GstAV1SegmenationParams {
1174 gboolean segmentation_enabled;
1175 guint8 segmentation_update_map;
1176 guint8 segmentation_temporal_update;
1177 guint8 segmentation_update_data;
1179 gint8 feature_enabled[GST_AV1_MAX_SEGMENTS][GST_AV1_SEG_LVL_MAX]; /* FeatureEnabled */
1180 gint16 feature_data[GST_AV1_MAX_SEGMENTS][GST_AV1_SEG_LVL_MAX]; /* FeatureData */
1181 guint8 seg_id_pre_skip; /* SegIdPreSkip */
1182 guint8 last_active_seg_id; /* LastActiveSegId */
1187 * @uniform_tile_spacing_flag: equal to 1 means that the tiles are uniformly spaced across the
1188 * frame. (In other words, all tiles are the same size except for the ones at the right and
1189 * bottom edge which can be smaller.) @uniform_tile_spacing_flag equal to 0 means that the
1190 * tile sizes are coded.
1191 * @increment_tile_rows_log2: is used to compute @tile_rows_log2.
1192 * @width_in_sbs_minus_1: specifies the width of a tile minus 1 in units of superblocks.
1193 * @height_in_sbs_minus_1: specifies the height of a tile minus 1 in units of superblocks.
1194 * @tile_size_bytes_minus_1: is used to compute @tile_size_bytes
1195 * @context_update_tile_id: specifies which tile to use for the CDF update.
1196 * @mi_col_starts: is an array specifying the start column (in units of 4x4 luma samples) for
1197 * each tile across the image.
1198 * @mi_row_starts: is an array specifying the start row (in units of 4x4 luma samples) for
1199 * each tile down the image.
1200 * @tile_cols_log2: specifies the base 2 logarithm of the desired number of tiles across the frame.
1201 * @tile_cols: specifies the number of tiles across the frame. It is a requirement of bitstream
1202 * conformance that @tile_cols is less than or equal to GST_AV1_MAX_TILE_COLS.
1203 * @tile_rows_log2: specifies the base 2 logarithm of the desired number of tiles down the frame.
1204 * @tile_rows: specifies the number of tiles down the frame. It is a requirement of bitstream
1205 * conformance that @tile_rows is less than or equal to GST_AV1_MAX_TILE_ROWS.
1206 * @tile_size_bytes: specifies the number of bytes needed to code each tile size.
1208 struct _GstAV1TileInfo {
1209 guint8 uniform_tile_spacing_flag;
1210 gint increment_tile_rows_log2;
1211 gint width_in_sbs_minus_1[GST_AV1_MAX_TILE_COLS];
1212 gint height_in_sbs_minus_1[GST_AV1_MAX_TILE_ROWS];
1213 gint tile_size_bytes_minus_1;
1214 guint8 context_update_tile_id;
1216 guint32 mi_col_starts[GST_AV1_MAX_TILE_COLS + 1]; /* MiColStarts */
1217 guint32 mi_row_starts[GST_AV1_MAX_TILE_ROWS + 1]; /* MiRowStarts */
1218 guint8 tile_cols_log2; /* TileColsLog2 */
1219 guint8 tile_cols; /* TileCols */
1220 guint8 tile_rows_log2; /* TileRowsLog2 */
1221 guint8 tile_rows; /* TileRows */
1222 guint8 tile_size_bytes; /* TileSizeBytes */
1227 * @cdef_damping: controls the amount of damping in the deringing filter.
1228 * @cdef_bits: specifies the number of bits needed to specify which CDEF filter to apply.
1229 * @cdef_y_pri_strength: specify the strength of the primary filter (Y component)
1230 * @cdef_uv_pri_strength: specify the strength of the primary filter (UV components).
1231 * @cdef_y_sec_strength: specify the strength of the secondary filter (Y component).
1232 * @cdef_uv_sec_strength: specify the strength of the secondary filter (UV components).
1234 * Parameters of Constrained Directional Enhancement Filter (CDEF).
1236 struct _GstAV1CDEFParams {
1237 guint8 cdef_damping;
1239 guint8 cdef_y_pri_strength[GST_AV1_CDEF_MAX];
1240 guint8 cdef_y_sec_strength[GST_AV1_CDEF_MAX];
1241 guint8 cdef_uv_pri_strength[GST_AV1_CDEF_MAX];
1242 guint8 cdef_uv_sec_strength[GST_AV1_CDEF_MAX];
1246 * GstAV1LoopRestorationParams:
1247 * @lr_unit_shift: specifies if the luma restoration size should be halved.
1248 * @lr_uv_shift: is only present for 4:2:0 formats and specifies if the chroma size should be
1249 * half the luma size.
1250 * @frame_restoration_type: specifies the type of restoration used for each plane.
1251 * @loop_restoration_size: specifies the size of loop restoration units in units of samples in
1252 * the current plane.
1253 * @uses_lr: indicates if any plane uses loop restoration.
1255 struct _GstAV1LoopRestorationParams {
1256 guint8 lr_unit_shift;
1257 gboolean lr_uv_shift;
1259 GstAV1FrameRestorationType frame_restoration_type[GST_AV1_MAX_NUM_PLANES]; /* FrameRestorationType */
1260 guint32 loop_restoration_size[GST_AV1_MAX_NUM_PLANES]; /* LoopRestorationSize */
1261 guint8 uses_lr; /* UsesLr */
1265 * GstAV1GlobalMotionParams:
1266 * @is_global: specifies whether global motion parameters are present for a particular
1268 * @is_rot_zoom: specifies whether a particular reference frame uses rotation and zoom
1270 * @is_translation: specifies whether a particular reference frame uses translation
1272 * @gm_params: is set equal to SavedGmParams[ frame_to_show_map_idx ][ ref ][ j ] for
1273 * ref = LAST_FRAME..ALTREF_FRAME, for j = 0..5.
1274 * @gm_type: specifying the type of global motion.
1275 * @invalid: whether this global motion parameters is invalid. (Since: 1.20)
1278 * _GstAV1GlobalMotionParams.invalid:
1280 * whether this global motion parameters is invalid.
1284 struct _GstAV1GlobalMotionParams {
1285 gboolean is_global[GST_AV1_NUM_REF_FRAMES];
1286 gboolean is_rot_zoom[GST_AV1_NUM_REF_FRAMES];
1287 gboolean is_translation[GST_AV1_NUM_REF_FRAMES];
1288 gint32 gm_params[GST_AV1_NUM_REF_FRAMES][6];
1290 GstAV1WarpModelType gm_type[GST_AV1_NUM_REF_FRAMES]; /* GmType */
1291 gboolean invalid[GST_AV1_NUM_REF_FRAMES];
1295 * GstAV1FilmGrainParams:
1296 * @apply_grain: equal to 1 specifies that film grain should be added to this frame.
1297 * apply_grain equal to 0 specifies that film grain should not be added.
1298 * @grain_seed: specifies the starting value for the pseudo-random numbers used during film
1300 * @update_grain: equal to 1 means that a new set of parameters should be sent. @update_grain
1301 * equal to 0 means that the previous set of parameters should be used.
1302 * @film_grain_params_ref_idx: indicates which reference frame contains the film grain
1303 * parameters to be used for this frame.
1304 * @num_y_points: specifies the number of points for the piece-wise linear scaling function
1305 * of the luma component. It is a requirement of bitstream conformance that @num_y_points is
1306 * less than or equal to 14.
1307 * @point_y_value: represents the x (luma value) coordinate for the i-th point of the
1308 * piecewise linear scaling function for luma component. The values are signaled on the
1309 * scale of 0..255. (In case of 10 bit video, these values correspond to luma values divided
1310 * by 4. In case of 12 bit video, these values correspond to luma values divided by 16.)
1311 * If i is greater than 0, it is a r equirement of bitstream conformance that
1312 * @point_y_value[ i ] is greater than @point_y_value[ i - 1 ] (this ensures the x coordinates
1313 * are specified in increasing order).
1314 * @point_y_scaling: represents the scaling (output) value for the i-th point of the
1315 * piecewise linear scaling function for luma component.
1316 * @chroma_scaling_from_luma: specifies that the chroma scaling is inferred from the luma scaling.
1317 * @num_cb_points: specifies the number of points for the piece-wise linear scaling function
1318 * of the cb component. It is a requirement of bitstream conformance that @num_cb_points is
1319 * less than or equal to 10.
1320 * @point_cb_value: represents the x coordinate for the i-th point of the piece-wise linear
1321 * scaling function for cb component. The values are signaled on the scale of 0..255. If i
1322 * is greater than 0, it is a requirement of bitstream conformance that point_cb_value[ i ]
1323 * is greater than point_cb_value[ i - 1 ].
1324 * @point_cb_scaling: represents the scaling (output) value for the i-th point of the
1325 * piecewise linear scaling function for cb component.
1326 * @num_cr_points: specifies represents the number of points for the piece-wise linear scaling
1327 * function of the cr component. It is a requirement of bitstream conformance that
1328 * num_cr_points is less than or equal to 10. If subsampling_x is equal to 1 and
1329 * @subsampling_y is equal to 1 and num_cb_points is equal to 0, it is a requirement of
1330 * bitstream conformance that num_cr_points is equal to 0. If @subsampling_x is equal to 1
1331 * and @subsampling_y is equal to 1 and @num_cb_points is not equal to 0, it is a requirement
1332 * of bitstream conformance that @num_cr_points is not equal to 0.
1333 * @point_cr_value: represents the x coordinate for the i-th point of the piece-wise linear
1334 * scaling function for cr component. The values are signaled on the scale of 0..255. If i
1335 * is greater than 0, it is a requirement of bitstream conformance that @point_cr_value[ i ]
1336 * is greater than @point_cr_value[ i - 1 ].
1337 * @point_cr_scaling: represents the scaling (output) value for the i-th point of the
1338 * piecewise linear scaling function for cr component.
1339 * @grain_scaling_minus_8: represents the shift - 8 applied to the values of the chroma
1340 * component. The @grain_scaling_minus_8 can take values of 0..3 and determines the range and
1341 * quantization step of the standard deviation of film grain.
1342 * @ar_coeff_lag: specifies the number of auto-regressive coefficients for luma and chroma.
1343 * @ar_coeffs_y_plus_128: specifies auto-regressive coefficients used for the Y plane.
1344 * @ar_coeffs_cb_plus_128: specifies auto-regressive coefficients used for the U plane.
1345 * @ar_coeffs_cr_plus_128: specifies auto-regressive coefficients used for the V plane.
1346 * @ar_coeff_shift_minus_6: specifies the range of the auto-regressive coefficients. Values
1347 * of 0, 1, 2, and 3 correspond to the ranges for auto-regressive coefficients of [-2, 2),
1348 * [-1, 1), [-0.5, 0.5) and [-0.25, 0.25) respectively.
1349 * @grain_scale_shift: specifies how much the Gaussian random numbers should be scaled down
1350 * during the grain synthesis process.
1351 * @cb_mult: represents a multiplier for the cb component used in derivation of the input
1352 * index to the cb component scaling function.
1353 * @cb_luma_mult: represents a multiplier for the average luma component used in derivation
1354 * of the input index to the cb component scaling function.
1355 * @cb_offset: represents an offset used in derivation of the input index to the cb component
1357 * @cr_mult: represents a multiplier for the cr component used in derivation of the input
1358 * index to the cr component scaling function.
1359 * @cr_luma_mult: represents a multiplier for the average luma component used in derivation
1360 * of the input index to the cr component scaling function.
1361 * @cr_offset: represents an offset used in derivation of the input index to the cr component
1363 * @overlap_flag: equal to 1 indicates that the overlap between film grain blocks shall be
1364 * applied. overlap_flag equal to 0 indicates that the overlap between film grain blocks
1365 * shall not be applied.
1366 * @clip_to_restricted_range: equal to 1 indicates that clipping to the restricted (studio)
1367 * range shall be applied to the sample values after adding the film grain (see the
1368 * semantics for color_range for an explanation of studio swing). clip_to_restricted_range
1369 * equal to 0 indicates that clipping to the full range shall be applied to the sample
1370 * values after adding the film grain.
1372 struct _GstAV1FilmGrainParams {
1373 gboolean apply_grain;
1375 gboolean update_grain;
1376 guint8 film_grain_params_ref_idx;
1377 guint8 num_y_points;
1378 guint8 point_y_value[GST_AV1_MAX_NUM_Y_POINTS];
1379 guint8 point_y_scaling[GST_AV1_MAX_NUM_Y_POINTS];
1380 guint8 chroma_scaling_from_luma;
1381 guint8 num_cb_points;
1382 guint8 point_cb_value[GST_AV1_MAX_NUM_CB_POINTS];
1383 guint8 point_cb_scaling[GST_AV1_MAX_NUM_CB_POINTS];
1384 guint8 num_cr_points;
1385 guint8 point_cr_value[GST_AV1_MAX_NUM_CR_POINTS];
1386 guint8 point_cr_scaling[GST_AV1_MAX_NUM_CR_POINTS];
1387 guint8 grain_scaling_minus_8;
1388 guint8 ar_coeff_lag;
1389 guint8 ar_coeffs_y_plus_128[GST_AV1_MAX_NUM_POS_LUMA];
1390 guint8 ar_coeffs_cb_plus_128[GST_AV1_MAX_NUM_POS_LUMA];
1391 guint8 ar_coeffs_cr_plus_128[GST_AV1_MAX_NUM_POS_LUMA];
1392 guint8 ar_coeff_shift_minus_6;
1393 guint8 grain_scale_shift;
1395 guint8 cb_luma_mult;
1398 guint8 cr_luma_mult;
1400 gboolean overlap_flag;
1401 gboolean clip_to_restricted_range;
1405 * GstAV1FrameHeaderOBU:
1406 * @show_existing_frame: equal to 1, indicates the frame indexed by @frame_to_show_map_idx is
1407 * to be output; @show_existing_frame equal to 0 indicates that further processing is required.
1408 * If @obu_type is equal to #GST_AV1_OBU_FRAME, it is a requirement of bitstream conformance that
1409 * @show_existing_frame is equal to 0.
1410 * @frame_to_show_map_idx: specifies the frame to be output. It is only available if
1411 * @show_existing_frame is 1.
1412 * @frame_presentation_time: specifies the presentation time of the frame in clock ticks
1413 * DispCT counted from the removal time of the last frame with frame_type equal to KEY_FRAME
1414 * for the operating point that is being decoded. The syntax element is signaled as a fixed
1415 * length unsigned integer with a length in bits given by
1416 * @frame_presentation_time_length_minus_1 + 1. The @frame_presentation_time is the remainder
1417 * of a modulo 1 << (@frame_presentation_time_length_minus_1 + 1) counter.
1418 * @tu_presentation_delay: is a syntax element used by the decoder model. It does not affect
1419 * the decoding process.
1420 * @display_frame_id: provides the frame id number for the frame to output. It is a requirement
1421 * of bitstream conformance that whenever @display_frame_id is read, the value matches
1422 * @ref_frame_id[ @frame_to_show_map_idx ] (the value of @current_frame_id at the time that the
1423 * frame indexed by @frame_to_show_map_idx was stored), and that
1424 * @ref_valid[ @frame_to_show_map_idx ] is equjal to 1. It is a requirement of bitstream
1425 * conformance that the number of bits needed to read @display_frame_id does not exceed 16.
1426 * This is equivalent to the constraint that idLen <= 16
1427 * @frame_type: specifies the type of the frame.
1428 * @show_frame: equal to 1 specifies that this frame should be immediately output once decoded.
1429 * show_frame equal to 0 specifies that this frame should not be immediately output. (It may
1430 * be output later if a later uncompressed header uses @show_existing_frame equal to 1).
1431 * @showable_frame: equal to 1 specifies that the frame may be output using the
1432 * @show_existing_frame mechanism. showable_frame equal to 0 specifies that this frame will
1433 * not be output using the @show_existing_frame mechanism. It is a requirement of bitstream
1434 * conformance that when @show_existing_frame is used to show a previous frame, that the
1435 * value of @showable_frame for the previous frame was equal to 1. It is a requirement of
1436 * bitstream conformance that a particular showable frame is output via the
1437 * @show_existing_frame mechanism at most once.
1438 * @error_resilient_mode: equal to 1 indicates that error resilient mode is enabled;
1439 * @error_resilient_mode equal to 0 indicates that error resilient mode is disabled.
1440 * @disable_cdf_update: specifies whether the CDF update in the symbol decoding process should
1442 * @allow_screen_content_tools: equal to 1 indicates that intra blocks may use palette encoding;
1443 * @allow_screen_content_tools equal to 0 indicates that palette encoding is never used.
1444 * @force_integer_mv: equal to 1 specifies that motion vectors will always be integers.
1445 * @force_integer_mv equal to 0 specifies that motion vectors can contain fractional bits.
1446 * @current_frame_id: specifies the frame id number for the current frame. Frame id numbers
1447 * are additional information that do not affect the decoding process, but provide decoders
1448 * with a way of detecting missing reference frames so that appropriate action can be taken.
1449 * @frame_size_override_flag: equal to 0 specifies that the frame size is equal to the size in
1450 * the sequence header. @frame_size_override_flag equal to 1 specifies that the frame size
1451 * will either be specified as the size of one of the reference frames, or computed from the
1452 * @frame_width_minus_1 and @frame_height_minus_1 syntax elements.
1453 * @order_hint: is used to compute order_hint.
1454 * @primary_ref_frame: specifies which reference frame contains the CDF values and other state
1455 * that should be loaded at the start of the frame.
1456 * @buffer_removal_time_present_flag: equal to 1 specifies that @buffer_removal_time is present
1457 * in the bitstream. @buffer_removal_time_present_flag equal to 0 specifies that
1458 * @buffer_removal_time is not present in the bitstream.
1459 * @buffer_removal_time: specifies the frame removal time in units of DecCT clock ticks
1460 * counted from the removal time of the last frame with frame_type equal to KEY_FRAME for
1461 * operating point opNum. @buffer_removal_time is signaled as a fixed length unsigned integer
1462 * with a length in bits given by @buffer_removal_time_length_minus_1 + 1. @buffer_removal_time
1463 * is the remainder of a modulo 1 << ( @buffer_removal_time_length_minus_1 + 1 ) counter.
1464 * @refresh_frame_flags: contains a bitmask that specifies which reference frame slots will be
1465 * updated with the current frame after it is decoded. If @frame_type is equal to
1466 * #GST_AV1_INTRA_ONLY_FRAME, it is a requirement of bitstream conformance that
1467 * @refresh_frame_flags is not equal to 0xff.
1468 * @ref_order_hint: specifies the expected output order hint for each reference buffer.
1469 * @allow_intrabc: equal to 1 indicates that intra block copy may be used in this frame.
1470 * allow_intrabc equal to 0 indicates that intra block copy is not allowed in this frame.
1471 * @frame_refs_short_signaling: equal to 1 indicates that only two reference frames are
1472 * explicitly signaled. frame_refs_short_signaling equal to 0 indicates that all reference
1473 * frames are explicitly signaled.
1474 * @last_frame_idx: specifies the reference frame to use for LAST_FRAME.
1475 * @gold_frame_idx: specifies the reference frame to use for GOLDEN_FRAME.
1476 * @ref_frame_idx[i]: specifies which reference frames are used by inter frames.
1477 * @delta_frame_id_minus_1 is used to calculate @delta_frame_id.
1478 * @allow_high_precision_mv: equal to 0 specifies that motion vectors are specified to quarter
1479 * pel precision; @allow_high_precision_mv equal to 1 specifies that motion vectors are
1480 * specified to eighth pel precision.
1481 * @is_motion_mode_switchable: equal to 0 specifies that only the SIMPLE motion mode will be used.
1482 * @use_ref_frame_mvs: equal to 1 specifies that motion vector information from a previous
1483 * frame can be used when decoding the current frame. @use_ref_frame_mvs equal to 0 specifies
1484 * that this information will not be used.
1485 * @disable_frame_end_update_cdf: equal to 1 indicates that the end of frame CDF update is
1486 * disabled; @disable_frame_end_update_cdf equal to 0 indicates that the end of frame CDF
1487 * update is enabled.
1488 * @allow_warped_motion: equal to 1 indicates that the syntax element @motion_mode may be
1489 * present. @allow_warped_motion equal to 0 indicates that the syntax element motion_mode
1490 * will not be present (this means that LOCALWARP cannot be signaled if @allow_warped_motion
1492 * @reduced_tx_set: equal to 1 specifies that the frame is restricted to a reduced subset of
1493 * the full set of transform types.
1494 * @render_and_frame_size_different: equal to 0 means that the render width and height are
1495 * inferred from the frame width and height. @render_and_frame_size_different equal to 1
1496 * means that the render width and height are explicitly coded in the bitstream.
1497 * @use_superres: equal to 0 indicates that no upscaling is needed. @use_superres equal to 1
1498 * indicates that upscaling is needed.
1499 * @is_filter_switchable: equal to 1 indicates that the filter selection is signaled at the
1500 * block level; @is_filter_switchable equal to 0 indicates that the filter selection is
1501 * signaled at the frame level.
1502 * @interpolation_filter: a #GstAV1InterpolationFilter that specifies the filter selection used
1503 * for performing inter prediction.
1504 * @loop_filter_params: a #GstAV1LoopFilterParams holding the loop filter parameters.
1505 * @quantization_params: a #GstAV1QuantizationParams holding the quantization parameters.
1506 * @segmentation_params: a #GstAV1SegmenationParams holding the segementation parameters.
1507 * @tile_info: a #GstAV1TileInfo holding the tile info.
1508 * @cdef_params: a #GstAV1CDEFParams holding the CDEF paramters.
1509 * @loop_restoration_params: a #GstAV1LoopRestorationParams holding the loop restoration parameters.
1510 * @tx_mode_select: is used to compute TxMode.
1511 * @skip_mode_present: equal to 1 specifies that the syntax element @skip_mode will be coded
1512 * in the bitstream. @skip_mode_present equal to 0 specifies that @skip_mode will not be used
1514 * @reference_select: equal to 1 specifies that the mode info for inter blocks contains the
1515 * syntax element comp_mode that indicates whether to use single or compound reference
1516 * prediction. Reference_select equal to 0 specifies that all interblocks will use single
1518 * @global_motion_params: a #GstAV1GlobalMotionParams holding the global motion parameters.
1519 * @film_grain_params: a #GstAV1FilmGrainParams holding the Film Grain parameters.
1520 * @superres_denom: is the denominator of a fraction that specifies the ratio between the
1521 * superblock width before and after upscaling.
1522 * @frame_is_intra: if equal to 0 indicating that this frame may use inter prediction.
1523 * @order_hints: specifies the expected output order for each reference frame.
1524 * @ref_frame_sign_bias: specifies the intended direction of the motion vector in time for
1525 * each reference frame.
1526 * @coded_lossless: is a variable that is equal to 1 when all segments use lossless encoding.
1527 * @all_lossless: is a variable that is equal to 1 when @coded_lossless is equal to 1 and
1528 * @frame_width is equal to @upscaled_width. This indicates that the frame is fully lossless
1529 * at the upscaled resolution.
1530 * @lossless_array: whether the segmentation is lossless.
1531 * @seg_qm_Level: the segmentation's qm level.
1532 * @upscaled_width: the upscaled width.
1533 * @frame_width: the frame width.
1534 * @frame_height: the frame height.
1535 * @render_width: the frame width to be rendered.
1536 * @render_height: the frame height to be rendered.
1537 * @tx_mode: specifies how the transform size is determined.
1538 * @skip_mode_frame: specifies the frames to use for compound prediction when @skip_mode is 1.
1540 struct _GstAV1FrameHeaderOBU {
1541 gboolean show_existing_frame;
1542 gint8 frame_to_show_map_idx;
1543 guint32 frame_presentation_time;
1544 guint32 tu_presentation_delay;
1545 guint32 display_frame_id;
1546 GstAV1FrameType frame_type;
1547 gboolean show_frame;
1548 gboolean showable_frame;
1549 gboolean error_resilient_mode;
1550 gboolean disable_cdf_update;
1551 guint8 allow_screen_content_tools;
1552 gboolean force_integer_mv;
1553 guint32 current_frame_id;
1554 gboolean frame_size_override_flag;
1556 guint8 primary_ref_frame;
1557 gboolean buffer_removal_time_present_flag;
1558 guint32 buffer_removal_time[GST_AV1_MAX_OPERATING_POINTS];
1559 guint8 refresh_frame_flags;
1560 guint32 ref_order_hint[GST_AV1_NUM_REF_FRAMES];
1561 gboolean allow_intrabc;
1562 gboolean frame_refs_short_signaling;
1563 gint8 last_frame_idx;
1564 gint8 gold_frame_idx;
1565 gint8 ref_frame_idx[GST_AV1_REFS_PER_FRAME];
1566 gboolean allow_high_precision_mv;
1567 gboolean is_motion_mode_switchable;
1568 gboolean use_ref_frame_mvs;
1569 gboolean disable_frame_end_update_cdf;
1570 gboolean allow_warped_motion;
1571 gboolean reduced_tx_set;
1572 gboolean render_and_frame_size_different;
1573 gboolean use_superres;
1574 gboolean is_filter_switchable;
1575 GstAV1InterpolationFilter interpolation_filter;
1576 GstAV1LoopFilterParams loop_filter_params;
1577 GstAV1QuantizationParams quantization_params;
1578 GstAV1SegmenationParams segmentation_params;
1579 GstAV1TileInfo tile_info;
1580 GstAV1CDEFParams cdef_params;
1581 GstAV1LoopRestorationParams loop_restoration_params;
1582 gboolean tx_mode_select;
1583 gboolean skip_mode_present;
1584 gboolean reference_select;
1585 GstAV1GlobalMotionParams global_motion_params;
1586 GstAV1FilmGrainParams film_grain_params;
1588 /* Global vars set by frame header */
1589 guint32 superres_denom; /* SuperresDenom */
1590 guint8 frame_is_intra; /* FrameIsIntra */
1591 guint32 order_hints[GST_AV1_NUM_REF_FRAMES]; /* OrderHints */
1592 guint32 ref_frame_sign_bias[GST_AV1_NUM_REF_FRAMES]; /* RefFrameSignBias */
1594 guint8 coded_lossless; /* CodedLossless */
1595 guint8 all_lossless; /* AllLossless */
1596 guint8 lossless_array[GST_AV1_MAX_SEGMENTS]; /* LosslessArray */
1597 guint8 seg_qm_Level[3][GST_AV1_MAX_SEGMENTS]; /* SegQMLevel */
1599 guint32 upscaled_width; /* UpscaledWidth */
1600 guint32 frame_width; /* FrameWidth */
1601 guint32 frame_height; /* FrameHeight */
1602 guint32 render_width; /* RenderWidth */
1603 guint32 render_height; /* RenderHeight */
1605 GstAV1TXModes tx_mode; /* TxMode */
1607 guint8 skip_mode_frame[2]; /* SkipModeFrame */
1611 * GstAV1ReferenceFrameInfo:
1613 * All the info related to a reference frames.
1615 struct _GstAV1ReferenceFrameInfo {
1617 gboolean ref_valid; /* RefValid */
1618 guint32 ref_frame_id; /* RefFrameId */
1619 guint32 ref_upscaled_width; /* RefUpscaledWidth */
1620 guint32 ref_frame_width; /* RefFrameWidth */
1621 guint32 ref_frame_height; /* RefFrameHeight */
1622 guint32 ref_render_width; /* RefRenderWidth */
1623 guint32 ref_render_height; /* RefRenderHeight */
1624 guint32 ref_mi_cols; /* RefMiCols */
1625 guint32 ref_mi_rows; /* RefMiRows */
1626 GstAV1FrameType ref_frame_type; /* RefFrameType */
1627 guint8 ref_subsampling_x; /* RefSubsamplingX */
1628 guint8 ref_subsampling_y; /* RefSubsamplingY */
1629 guint8 ref_bit_depth; /* RefBitDepth */
1630 guint32 ref_order_hint; /* RefOrderHint */
1631 GstAV1SegmenationParams ref_segmentation_params;
1632 GstAV1GlobalMotionParams ref_global_motion_params;
1633 GstAV1LoopFilterParams ref_lf_params;
1634 GstAV1FilmGrainParams ref_film_grain_params;
1635 GstAV1TileInfo ref_tile_info;
1636 } entry[GST_AV1_NUM_REF_FRAMES];
1640 * GstAV1TileListOBU:
1641 * @output_frame_width_in_tiles_minus_1: plus one is the width of the output frame, in tile units.
1642 * @output_frame_height_in_tiles_minus_1: plus one is the height of the output frame, in tile units.
1643 * @tile_count_minus_1: plus one is the number of @tile_list_entry in the list. It is a requirement
1644 * of bitstream conformance that @tile_count_minus_1 is less than or equal to 511.
1645 * @anchor_frame_idx: is the index into an array AnchorFrames of the frames that the tile uses
1646 * for prediction. The AnchorFrames array is provided by external means and may change for
1647 * each tile list OBU. The process for creating the AnchorFrames array is outside of the
1648 * scope of this specification. It is a requirement of bitstream conformance that
1649 * @anchor_frame_idx is less than or equal to 127.
1650 * @anchor_tile_row: the row coordinate of the tile in the frame that it belongs, in tile
1651 * units. It is a requirement of bitstream conformance that @anchor_tile_row is less than @tile_rows.
1652 * @anchor_tile_col: is the column coordinate of the tile in the frame that it belongs, in tile
1653 * units. It is a requirement of bitstream conformance that @anchor_tile_col is less than @tile_cols.
1654 * @tile_data_size_minus_1: plus one is the size of the coded tile data, @coded_tile_data, in bytes.
1655 * @coded_tile_data: are the @tile_data_size_minus_1 + 1 bytes of the coded tile.
1657 struct _GstAV1TileListOBU {
1658 guint8 output_frame_width_in_tiles_minus_1;
1659 guint8 output_frame_height_in_tiles_minus_1;
1660 guint16 tile_count_minus_1;
1662 gint8 anchor_frame_idx;
1663 guint8 anchor_tile_row;
1664 guint8 anchor_tile_col;
1665 guint16 tile_data_size_minus_1;
1666 /* Just refer to obu's data, invalid after OBU data released */
1667 guint8 *coded_tile_data;
1668 } entry[GST_AV1_MAX_TILE_COUNT];
1672 * GstAV1TileListOBU:
1673 * @tile_start_and_end_present_flag: specifies whether @tg_start and @tg_end are present
1674 * in the bitstream. If @tg_start and @tg_end are not present in the bitstream, this
1675 * tile group covers the entire frame. If @obu_type is equal to #GST_AV1_OBU_FRAME, it is a
1676 * requirement of bitstream conformance that the value of @tile_start_and_end_present_flag
1678 * @tg_start: specifies the zero-based index of the first tile in the current tile group.
1679 * It is a requirement of bitstream conformance that the value of @tg_start is equal to
1680 * the value of TileNum at the point that tile_group_obu is invoked.
1681 * @tg_end: specifies the zero-based index of the last tile in the current tile group.
1682 * It is a requirement of bitstream conformance that the value of tg_end is greater
1683 * than or equal to tg_start. It is a requirement of bitstream conformance that the
1684 * value of tg_end for the last tile group in each frame is equal to num_tiles-1.
1685 * @tile_offset: Offset from the OBU data, the real data start of this tile.
1686 * @tg_size: Data size of this tile.
1687 * @tile_row: Tile index in row.
1688 * @tile_col: Tile index in column.
1689 * @mi_row_start: start position in mi rows
1690 * @mi_row_end: end position in mi rows
1691 * @mi_col_start: start position in mi cols
1692 * @mi_col_end: end position in mi cols
1693 * @num_tiles: specifies the total number of tiles in the frame.
1695 struct _GstAV1TileGroupOBU {
1696 gboolean tile_start_and_end_present_flag;
1700 guint32 tile_offset; /* Tile data offset from the OBU data. */
1701 guint32 tile_size; /* Data size of this tile */
1702 guint32 tile_row; /* tileRow */
1703 guint32 tile_col; /* tileCol */
1704 /* global varialbes */
1705 guint32 mi_row_start; /* MiRowStart */
1706 guint32 mi_row_end; /* MiRowEnd */
1707 guint32 mi_col_start; /* MiColStart */
1708 guint32 mi_col_end; /* MiColEnd */
1709 } entry[GST_AV1_MAX_TILE_COUNT];
1711 guint32 num_tiles; /* NumTiles */
1716 * @frame_header: a #GstAV1FrameHeaderOBU holding frame_header data.
1717 * @tile_group: a #GstAV1TileGroupOBU holding tile_group data.
1719 struct _GstAV1FrameOBU {
1720 GstAV1TileGroupOBU tile_group;
1721 GstAV1FrameHeaderOBU frame_header;
1727 * #GstAV1Parser opaque structure
1729 * Instantiante it with gst_av1_parser_new() and destroy it with
1730 * gst_av1_parser_free()
1732 struct _GstAV1Parser
1737 guint32 operating_point; /* Set by choose_operating_point() */
1738 guint8 seen_frame_header; /* SeenFrameHeader */
1739 guint32 operating_point_idc; /* OperatingPointIdc */
1740 gboolean sequence_changed; /* Received a new sequence */
1741 gboolean begin_first_frame; /* already find the first frame */
1744 guint32 upscaled_width; /* UpscaledWidth */
1745 guint32 frame_width; /* FrameWidth */
1746 guint32 frame_height; /* FrameHeight */
1747 guint32 mi_cols; /* MiCols */
1748 guint32 mi_rows; /* MiRows */
1749 guint32 render_width; /* RenderWidth */
1750 guint32 render_height; /* RenderHeight */
1751 guint32 prev_frame_id; /* PrevFrameID */
1752 guint32 current_frame_id; /* the current frame ID */
1753 GstAV1ReferenceFrameInfo ref_info; /* RefInfo */
1755 guint32 mi_col_starts[GST_AV1_MAX_TILE_COLS + 1]; /* MiColStarts */
1756 guint32 mi_row_starts[GST_AV1_MAX_TILE_ROWS + 1]; /* MiRowStarts */
1757 guint8 tile_cols_log2; /* TileColsLog2 */
1758 guint8 tile_cols; /* TileCols */
1759 guint8 tile_rows_log2; /* TileRowsLog2 */
1760 guint8 tile_rows; /* TileRows */
1761 guint8 tile_size_bytes; /* TileSizeBytes */
1765 guint32 temporal_unit_size;
1766 /* consumed of this temporal unit */
1767 guint32 temporal_unit_consumed;
1768 guint32 frame_unit_size;
1769 /* consumed of this frame unit */
1770 guint32 frame_unit_consumed;
1772 GstAV1SequenceHeaderOBU *seq_header;
1775 GST_CODEC_PARSERS_API
1777 gst_av1_parser_reset (GstAV1Parser * parser, gboolean annex_b);
1779 GST_CODEC_PARSERS_API
1781 gst_av1_parser_reset_annex_b (GstAV1Parser * parser);
1783 GST_CODEC_PARSERS_API
1785 gst_av1_parser_identify_one_obu (GstAV1Parser * parser, const guint8 * data,
1786 guint32 size, GstAV1OBU * obu, guint32 * consumed);
1788 GST_CODEC_PARSERS_API
1790 gst_av1_parser_parse_sequence_header_obu (GstAV1Parser * parser,
1791 GstAV1OBU * obu, GstAV1SequenceHeaderOBU * seq_header);
1793 GST_CODEC_PARSERS_API
1795 gst_av1_parser_parse_temporal_delimiter_obu (GstAV1Parser * parser,
1798 GST_CODEC_PARSERS_API
1800 gst_av1_parser_parse_metadata_obu (GstAV1Parser * parser, GstAV1OBU * obu,
1801 GstAV1MetadataOBU * metadata);
1803 GST_CODEC_PARSERS_API
1805 gst_av1_parser_parse_tile_list_obu (GstAV1Parser * parser, GstAV1OBU * obu,
1806 GstAV1TileListOBU * tile_list);
1808 GST_CODEC_PARSERS_API
1810 gst_av1_parser_parse_tile_group_obu (GstAV1Parser * parser, GstAV1OBU * obu,
1811 GstAV1TileGroupOBU * tile_group);
1813 GST_CODEC_PARSERS_API
1815 gst_av1_parser_parse_frame_header_obu (GstAV1Parser * parser, GstAV1OBU * obu,
1816 GstAV1FrameHeaderOBU * frame_header);
1818 GST_CODEC_PARSERS_API
1820 gst_av1_parser_parse_frame_obu (GstAV1Parser * parser, GstAV1OBU * obu,
1821 GstAV1FrameOBU * frame);
1823 GST_CODEC_PARSERS_API
1825 gst_av1_parser_reference_frame_loading (GstAV1Parser * parser,
1826 GstAV1FrameHeaderOBU * frame_header);
1828 GST_CODEC_PARSERS_API
1830 gst_av1_parser_reference_frame_update (GstAV1Parser * parser,
1831 GstAV1FrameHeaderOBU * frame_header);
1833 GST_CODEC_PARSERS_API
1835 gst_av1_parser_set_operating_point (GstAV1Parser * parser,
1836 gint32 operating_point);
1838 GST_CODEC_PARSERS_API
1839 GstAV1Parser * gst_av1_parser_new (void);
1841 GST_CODEC_PARSERS_API
1842 void gst_av1_parser_free (GstAV1Parser * parser);
1846 #endif /* __GST_AV1_PARSER_H__ */