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
41G_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 */
103typedef 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 */
142typedef 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 */
176typedef 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 */
203typedef 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 */
228typedef 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 */
252typedef 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 */
279typedef 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
298typedef 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
320typedef 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
327typedef struct _GstH264NalParser GstH264NalParser;
328
329typedef struct _GstH264NalUnit GstH264NalUnit;
330typedef struct _GstH264NalUnitExtensionMVC GstH264NalUnitExtensionMVC;
331
332typedef struct _GstH264SPSExtMVCView GstH264SPSExtMVCView;
333typedef struct _GstH264SPSExtMVCLevelValue GstH264SPSExtMVCLevelValue;
334typedef struct _GstH264SPSExtMVCLevelValueOp GstH264SPSExtMVCLevelValueOp;
335typedef struct _GstH264SPSExtMVC GstH264SPSExtMVC;
336
337typedef struct _GstH264SPS GstH264SPS;
338typedef struct _GstH264PPS GstH264PPS;
339typedef struct _GstH264HRDParams GstH264HRDParams;
340typedef struct _GstH264VUIParams GstH264VUIParams;
341
342typedef struct _GstH264RefPicListModification GstH264RefPicListModification;
343typedef struct _GstH264DecRefPicMarking GstH264DecRefPicMarking;
344typedef struct _GstH264RefPicMarking GstH264RefPicMarking;
345typedef struct _GstH264PredWeightTable GstH264PredWeightTable;
346typedef struct _GstH264SliceHdr GstH264SliceHdr;
347
348typedef struct _GstH264ClockTimestamp GstH264ClockTimestamp;
349typedef struct _GstH264PicTiming GstH264PicTiming;
350typedef struct _GstH264RegisteredUserData GstH264RegisteredUserData;
351typedef struct _GstH264BufferingPeriod GstH264BufferingPeriod;
352typedef struct _GstH264RecoveryPoint GstH264RecoveryPoint;
353typedef struct _GstH264StereoVideoInfo GstH264StereoVideoInfo;
354typedef struct _GstH264FramePacking GstH264FramePacking;
355typedef 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 */
372struct _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 */
405struct _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 */
448struct _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 */
518struct _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 */
604struct _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 */
624struct _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 */
645struct _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 */
665struct _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 */
680struct _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 */
759struct _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
805struct _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
819struct _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
840struct _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
850struct _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
862struct _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
926struct _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 */
952struct _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 */
977struct _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
987struct _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
1000struct _GstH264RegisteredUserData
1001{
1002 guint8 country_code;
1003 guint8 country_code_extension;
1004 const guint8 *data;
1005 guint size;
1006};
1007
1008struct _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
1021struct _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
1029struct _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 */
1049struct _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
1058GST_CODEC_PARSERS_API
1059GstH264NalParser *gst_h264_nal_parser_new (void);
1060
1061GST_CODEC_PARSERS_API
1062GstH264ParserResult gst_h264_parser_identify_nalu (GstH264NalParser *nalparser,
1063 const guint8 *data, guint offset,
1064 gsize size, GstH264NalUnit *nalu);
1065
1066GST_CODEC_PARSERS_API
1067GstH264ParserResult gst_h264_parser_identify_nalu_unchecked (GstH264NalParser *nalparser,
1068 const guint8 *data, guint offset,
1069 gsize size, GstH264NalUnit *nalu);
1070
1071GST_CODEC_PARSERS_API
1072GstH264ParserResult gst_h264_parser_identify_nalu_avc (GstH264NalParser *nalparser, const guint8 *data,
1073 guint offset, gsize size, guint8 nal_length_size,
1074 GstH264NalUnit *nalu);
1075
1076GST_CODEC_PARSERS_API
1077GstH264ParserResult gst_h264_parser_parse_nal (GstH264NalParser *nalparser,
1078 GstH264NalUnit *nalu);
1079
1080GST_CODEC_PARSERS_API
1081GstH264ParserResult 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
1085GST_CODEC_PARSERS_API
1086GstH264ParserResult gst_h264_parser_parse_subset_sps (GstH264NalParser *nalparser, GstH264NalUnit *nalu,
1087 GstH264SPS *sps, gboolean parse_vui_params);
1088
1089GST_CODEC_PARSERS_API
1090GstH264ParserResult gst_h264_parser_parse_sps (GstH264NalParser *nalparser, GstH264NalUnit *nalu,
1091 GstH264SPS *sps, gboolean parse_vui_params);
1092
1093GST_CODEC_PARSERS_API
1094GstH264ParserResult gst_h264_parser_parse_pps (GstH264NalParser *nalparser,
1095 GstH264NalUnit *nalu, GstH264PPS *pps);
1096
1097GST_CODEC_PARSERS_API
1098GstH264ParserResult gst_h264_parser_parse_sei (GstH264NalParser *nalparser,
1099 GstH264NalUnit *nalu, GArray ** messages);
1100
1101GST_CODEC_PARSERS_API
1102void gst_h264_nal_parser_free (GstH264NalParser *nalparser);
1103
1104GST_CODEC_PARSERS_API
1105GstH264ParserResult gst_h264_parse_subset_sps (GstH264NalUnit *nalu,
1106 GstH264SPS *sps, gboolean parse_vui_params);
1107
1108GST_CODEC_PARSERS_API
1109GstH264ParserResult gst_h264_parse_sps (GstH264NalUnit *nalu,
1110 GstH264SPS *sps, gboolean parse_vui_params);
1111
1112GST_CODEC_PARSERS_API
1113GstH264ParserResult gst_h264_parse_pps (GstH264NalParser *nalparser,
1114 GstH264NalUnit *nalu, GstH264PPS *pps);
1115
1116GST_CODEC_PARSERS_API
1117void gst_h264_sps_clear (GstH264SPS *sps);
1118
1119GST_CODEC_PARSERS_API
1120void gst_h264_pps_clear (GstH264PPS *pps);
1121
1122GST_CODEC_PARSERS_API
1123void gst_h264_quant_matrix_8x8_get_zigzag_from_raster (guint8 out_quant[64],
1124 const guint8 quant[64]);
1125
1126GST_CODEC_PARSERS_API
1127void gst_h264_quant_matrix_8x8_get_raster_from_zigzag (guint8 out_quant[64],
1128 const guint8 quant[64]);
1129
1130GST_CODEC_PARSERS_API
1131void gst_h264_quant_matrix_4x4_get_zigzag_from_raster (guint8 out_quant[16],
1132 const guint8 quant[16]);
1133
1134GST_CODEC_PARSERS_API
1135void gst_h264_quant_matrix_4x4_get_raster_from_zigzag (guint8 out_quant[16],
1136 const guint8 quant[16]);
1137
1138GST_CODEC_PARSERS_API
1139void gst_h264_video_calculate_framerate (const GstH264SPS * sps, guint field_pic_flag,
1140 guint pic_struct, gint * fps_num, gint * fps_den);
1141
1142G_END_DECLS
1143
1144#endif
1145