1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
|
/************************** Fraunhofer IIS FDK SysLib **********************
(C) Copyright Fraunhofer IIS (2004)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
$Id$
Author(s): Manuel Jander
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
******************************************************************************/
/** \file FDK_audio.h
* \brief Global audio struct and constant definitions.
*/
#ifndef FDK_AUDIO_H
#define FDK_AUDIO_H
#include "machine_type.h"
#include "genericStds.h"
#ifdef __cplusplus
extern "C"
{
#endif
/**
* File format identifiers.
*/
typedef enum
{
FF_UNKNOWN = -1, /**< Unknown format. */
FF_RAW = 0, /**< No container, bit stream data conveyed "as is". */
FF_MP4_3GPP = 3, /**< 3GPP file format. */
FF_MP4_MP4F = 4, /**< MPEG-4 File format. */
FF_RAWPACKETS = 5, /**< Proprietary raw packet file. */
FF_DRMCT = 12 /**< Digital Radio Mondial (DRM30/DRM+) CT proprietary file format. */
} FILE_FORMAT;
/**
* Transport type identifiers.
*/
typedef enum
{
TT_UNKNOWN = -1, /**< Unknown format. */
TT_MP4_RAW = 0, /**< "as is" access units (packet based since there is obviously no sync layer) */
TT_MP4_ADIF = 1, /**< ADIF bitstream format. */
TT_MP4_ADTS = 2, /**< ADTS bitstream format. */
TT_MP4_LATM_MCP1 = 6, /**< Audio Mux Elements with muxConfigPresent = 1 */
TT_MP4_LATM_MCP0 = 7, /**< Audio Mux Elements with muxConfigPresent = 0, out of band StreamMuxConfig */
TT_MP4_LOAS = 10, /**< Audio Sync Stream. */
TT_DRM = 12, /**< Digital Radio Mondial (DRM30/DRM+) bitstream format. */
TT_MP1_L1 = 16, /**< MPEG 1 Audio Layer 1 audio bitstream. */
TT_MP1_L2 = 17, /**< MPEG 1 Audio Layer 2 audio bitstream. */
TT_MP1_L3 = 18, /**< MPEG 1 Audio Layer 3 audio bitstream. */
TT_RSVD50 = 50 /**< */
} TRANSPORT_TYPE;
/**
* Audio Object Type definitions.
*/
typedef enum
{
AOT_NONE = -1,
AOT_NULL_OBJECT = 0,
AOT_AAC_MAIN = 1, /**< Main profile */
AOT_AAC_LC = 2, /**< Low Complexity object */
AOT_AAC_SSR = 3,
AOT_AAC_LTP = 4,
AOT_SBR = 5,
AOT_AAC_SCAL = 6,
AOT_TWIN_VQ = 7,
AOT_CELP = 8,
AOT_HVXC = 9,
AOT_RSVD_10 = 10, /**< (reserved) */
AOT_RSVD_11 = 11, /**< (reserved) */
AOT_TTSI = 12, /**< TTSI Object */
AOT_MAIN_SYNTH = 13, /**< Main Synthetic object */
AOT_WAV_TAB_SYNTH = 14, /**< Wavetable Synthesis object */
AOT_GEN_MIDI = 15, /**< General MIDI object */
AOT_ALG_SYNTH_AUD_FX = 16, /**< Algorithmic Synthesis and Audio FX object */
AOT_ER_AAC_LC = 17, /**< Error Resilient(ER) AAC Low Complexity */
AOT_RSVD_18 = 18, /**< (reserved) */
AOT_ER_AAC_LTP = 19, /**< Error Resilient(ER) AAC LTP object */
AOT_ER_AAC_SCAL = 20, /**< Error Resilient(ER) AAC Scalable object */
AOT_ER_TWIN_VQ = 21, /**< Error Resilient(ER) TwinVQ object */
AOT_ER_BSAC = 22, /**< Error Resilient(ER) BSAC object */
AOT_ER_AAC_LD = 23, /**< Error Resilient(ER) AAC LowDelay object */
AOT_ER_CELP = 24, /**< Error Resilient(ER) CELP object */
AOT_ER_HVXC = 25, /**< Error Resilient(ER) HVXC object */
AOT_ER_HILN = 26, /**< Error Resilient(ER) HILN object */
AOT_ER_PARA = 27, /**< Error Resilient(ER) Parametric object */
AOT_RSVD_28 = 28, /**< might become SSC */
AOT_PS = 29, /**< PS, Parametric Stereo (includes SBR) */
AOT_MPEGS = 30, /**< MPEG Surround */
AOT_ESCAPE = 31, /**< Signal AOT uses more than 5 bits */
AOT_MP3ONMP4_L1 = 32, /**< MPEG-Layer1 in mp4 */
AOT_MP3ONMP4_L2 = 33, /**< MPEG-Layer2 in mp4 */
AOT_MP3ONMP4_L3 = 34, /**< MPEG-Layer3 in mp4 */
AOT_RSVD_35 = 35, /**< might become DST */
AOT_RSVD_36 = 36, /**< might become ALS */
AOT_AAC_SLS = 37, /**< AAC + SLS */
AOT_SLS = 38, /**< SLS */
AOT_ER_AAC_ELD = 39, /**< AAC Enhanced Low Delay */
AOT_USAC = 42, /**< USAC */
AOT_SAOC = 43, /**< SAOC */
AOT_LD_MPEGS = 44, /**< Low Delay MPEG Surround */
AOT_RSVD50 = 50, /**< Interim AOT for Rsvd50 */
/* Pseudo AOTs */
AOT_MP2_AAC_MAIN = 128, /**< Virtual AOT MP2 Main profile */
AOT_MP2_AAC_LC = 129, /**< Virtual AOT MP2 Low Complexity profile */
AOT_MP2_AAC_SSR = 130, /**< Virtual AOT MP2 Scalable Sampling Rate profile */
AOT_MP2_SBR = 132, /**< Virtual AOT MP2 Low Complexity Profile with SBR */
AOT_DAB = 134, /**< Virtual AOT for DAB (Layer2 with scalefactor CRC) */
AOT_DABPLUS_AAC_LC = 135, /**< Virtual AOT for DAB plus AAC-LC */
AOT_DABPLUS_SBR = 136, /**< Virtual AOT for DAB plus HE-AAC */
AOT_DABPLUS_PS = 137, /**< Virtual AOT for DAB plus HE-AAC v2 */
AOT_PLAIN_MP1 = 140, /**< Virtual AOT for plain mp1 */
AOT_PLAIN_MP2 = 141, /**< Virtual AOT for plain mp2 */
AOT_PLAIN_MP3 = 142, /**< Virtual AOT for plain mp3 */
AOT_DRM_AAC = 143, /**< Virtual AOT for DRM (ER-AAC-SCAL without SBR) */
AOT_DRM_SBR = 144, /**< Virtual AOT for DRM (ER-AAC-SCAL with SBR) */
AOT_DRM_MPEG_PS = 145, /**< Virtual AOT for DRM (ER-AAC-SCAL with SBR and MPEG-PS) */
AOT_DRM_SURROUND = 146, /**< Virtual AOT for DRM Surround (ER-AAC-SCAL (+SBR) +MPS) */
AOT_MP2_PS = 156, /**< Virtual AOT MP2 Low Complexity Profile with SBR and PS */
AOT_MPEGS_RESIDUALS = 256 /**< Virtual AOT for MPEG Surround residuals */
} AUDIO_OBJECT_TYPE;
/** Channel Mode ( 1-7 equals MPEG channel configurations, others are arbitrary). */
typedef enum {
MODE_INVALID = -1,
MODE_UNKNOWN = 0,
MODE_1 = 1, /**< SCE */
MODE_2 = 2, /**< CPE */
MODE_1_2 = 3, /**< SCE,CPE */
MODE_1_2_1 = 4, /**< SCE,CPE,SCE */
MODE_1_2_2 = 5, /**< SCE,CPE,CPE */
MODE_1_2_2_1 = 6, /**< SCE,CPE,CPE,LFE */
MODE_1_2_2_2_1 = 7, /**< SCE,CPE,CPE,CPE,LFE */
MODE_1_1 = 16, /**< 2 SCEs (dual mono) */
MODE_1_1_1_1 = 17, /**< 4 SCEs */
MODE_1_1_1_1_1_1 = 18, /**< 6 SCEs */
MODE_1_1_1_1_1_1_1_1 = 19, /**< 8 SCEs */
MODE_1_1_1_1_1_1_1_1_1_1_1_1 = 20, /**< 12 SCEs */
MODE_2_2 = 21, /**< 2 CPEs */
MODE_2_2_2 = 22, /**< 3 CPEs */
MODE_2_2_2_2 = 23, /**< 4 CPEs */
MODE_2_2_2_2_2_2 = 24, /**< 6 CPEs */
MODE_2_1 = 30 /**< CPE,SCE (ARIB standard) */
} CHANNEL_MODE;
/** Speaker description tags */
typedef enum {
ACT_NONE,
ACT_FRONT,
ACT_SIDE,
ACT_BACK,
ACT_LFE,
ACT_FRONT_TOP,
ACT_SIDE_TOP,
ACT_BACK_TOP,
ACT_TOP /* Ts */
} AUDIO_CHANNEL_TYPE;
/**
* Audio Codec flags.
*/
#define AC_ER_VCB11 0x000001 /*!< aacSectionDataResilienceFlag flag (from ASC): 1 means use virtual codebooks */
#define AC_ER_RVLC 0x000002 /*!< aacSpectralDataResilienceFlag flag (from ASC): 1 means use huffman codeword reordering */
#define AC_ER_HCR 0x000004 /*!< aacSectionDataResilienceFlag flag (from ASC): 1 means use virtual codebooks */
#define AC_SCALABLE 0x000008 /*!< AAC Scalable*/
#define AC_ELD 0x000010 /*!< AAC-ELD */
#define AC_LD 0x000020 /*!< AAC-LD */
#define AC_ER 0x000040 /*!< ER syntax */
#define AC_BSAC 0x000080 /*!< BSAC */
#define AC_USAC 0x000100 /*!< USAC */
#define AC_USAC_TW 0x000200 /*!< USAC time warped filter bank is active */
#define AC_USAC_NOISE 0x000400 /*!< USAC noise filling is active */
#define AC_USAC_HBE 0x000800 /*!< USAC harmonic bandwidth extension is active */
#define AC_RSVD50 0x001000 /*!< Rsvd50 */
#define AC_SBR_PRESENT 0x002000 /*!< SBR present flag (from ASC) */
#define AC_SBRCRC 0x004000 /*!< SBR CRC present flag. Only relevant for AAC-ELD for now. */
#define AC_PS_PRESENT 0x008000 /*!< PS present flag (from ASC or implicit) */
#define AC_MPS_PRESENT 0x010000 /*!< MPS present flag (from ASC or implicit) */
#define AC_DRM 0x020000 /*!< DRM bit stream syntax */
#define AC_INDEP 0x040000 /*!< Independency flag */
#define AC_MPS_RES 0x080000 /*!< MPS residual individual channel data. */
#define AC_DAB 0x800000 /*!< DAB bit stream syntax */
#define AC_LD_MPS 0x01000000 /*!< Low Delay MPS. */
/* CODER_CONFIG::flags */
#define CC_MPEG_ID 0x00100000
#define CC_IS_BASELAYER 0x00200000
#define CC_PROTECTION 0x00400000
#define CC_SBR 0x00800000
#define CC_SBRCRC 0x00010000
#define CC_RVLC 0x01000000
#define CC_VCB11 0x02000000
#define CC_HCR 0x04000000
#define CC_PSEUDO_SURROUND 0x08000000
#define CC_USAC_NOISE 0x10000000
#define CC_USAC_TW 0x20000000
#define CC_USAC_HBE 0x40000000
/** Generic audio coder configuration structure. */
typedef struct {
AUDIO_OBJECT_TYPE aot; /**< Audio Object Type (AOT). */
AUDIO_OBJECT_TYPE extAOT; /**< Extension Audio Object Type (SBR). */
CHANNEL_MODE channelMode; /**< Channel mode. */
INT samplingRate; /**< Sampling rate. */
INT extSamplingRate; /**< Extended samplerate (SBR). */
INT bitRate; /**< Average bitrate. */
int samplesPerFrame; /**< Number of PCM samples per codec frame and audio channel. */
int noChannels; /**< Number of audio channels. */
int bitsFrame;
int nSubFrames; /**< Amount of encoder subframes. 1 means no subframing. */
int BSACnumOfSubFrame; /**< The number of the sub-frames which are grouped and transmitted in a super-frame (BSAC). */
int BSAClayerLength; /**< The average length of the large-step layers in bytes (BSAC). */
UINT flags; /**< flags */
UCHAR matrixMixdownA; /**< Matrix mixdown index to put into PCE. Default value 0 means no mixdown coefficient,
valid values are 1-4 which correspond to matrix_mixdown_idx 0-3. */
UCHAR headerPeriod; /**< Frame period for sending in band configuration buffers in the transport layer. */
UCHAR stereoConfigIndex; /**< USAC MPS stereo mode */
UCHAR sbrMode; /**< USAC SBR mode */
} CODER_CONFIG;
/** MP4 Element IDs. */
typedef enum
{
ID_NONE = -1, /**< Invalid Element helper ID. */
ID_SCE = 0, /**< Single Channel Element. */
ID_CPE = 1, /**< Channel Pair Element. */
ID_CCE = 2, /**< Coupling Channel Element. */
ID_LFE = 3, /**< LFE Channel Element. */
ID_DSE = 4, /**< Currently one Data Stream Element for ancillary data is supported. */
ID_PCE = 5, /**< Program Config Element. */
ID_FIL = 6, /**< Fill Element. */
ID_END = 7, /**< Arnie (End Element = Terminator). */
ID_EXT = 8, /**< Extension Payload (ER only). */
ID_SCAL = 9, /**< AAC scalable element (ER only). */
ID_LAST
} MP4_ELEMENT_ID;
#define IS_CHANNEL_ELEMENT(elementId) \
((elementId) == ID_SCE \
|| (elementId) == ID_CPE \
|| (elementId) == ID_LFE)
#define EXT_ID_BITS 4 /**< Size in bits of extension payload type tags. */
/** Extension payload types. */
typedef enum {
EXT_FIL = 0x00,
EXT_FILL_DATA = 0x01,
EXT_DATA_ELEMENT = 0x02,
EXT_DATA_LENGTH = 0x03,
EXT_LDSAC_DATA = 0x09,
EXT_SAOC_DATA = 0x0a,
EXT_DYNAMIC_RANGE = 0x0b,
EXT_SAC_DATA = 0x0c,
EXT_SBR_DATA = 0x0d,
EXT_SBR_DATA_CRC = 0x0e
} EXT_PAYLOAD_TYPE;
/**
* Proprietary raw packet file configuration data type identifier.
*/
typedef enum
{
TC_NOTHING = 0, /* No configuration available -> in-band configuration. */
TC_RAW_ASC, /* Configuration data field is a raw AudioSpecificConfig. */
TC_RAW_SMC, /* Configuration data field is a raw StreamMuxConfig. */
TC_RAW_SDC /* Configuration data field is a raw Drm SDC. */
} TP_CONFIG_TYPE;
/*
* ##############################################################################################
* Library identification and error handling
* ##############################################################################################
*/
/* \cond */
#define MODULE_ID_MASK (0x000000ff)
#define MODULE_ID_SHIFT (24)
typedef enum {
FDK_NONE = 0,
FDK_TOOLS = 1,
FDK_SYSLIB = 2,
FDK_AACDEC = 3,
FDK_AACENC = 4,
FDK_SBRDEC = 5,
FDK_SBRENC = 6,
FDK_TPDEC = 7,
FDK_TPENC = 8,
FDK_MPSDEC = 9,
FDK_MPEGFILEREAD = 10,
FDK_MPEGFILEWRITE = 11,
FDK_MP2DEC = 12,
FDK_DABDEC = 13,
FDK_DABPARSE = 14,
FDK_DRMDEC = 15,
FDK_DRMPARSE = 16,
FDK_AACLDENC = 17,
FDK_MP2ENC = 18,
FDK_MP3ENC = 19,
FDK_MP3DEC = 20,
FDK_MP3HEADPHONE = 21,
FDK_MP3SDEC = 22,
FDK_MP3SENC = 23,
FDK_EAEC = 24,
FDK_DABENC = 25,
FDK_DMBDEC = 26,
FDK_FDREVERB = 27,
FDK_DRMENC = 28,
FDK_METADATATRANSCODER = 29,
FDK_AC3DEC = 30,
FDK_PCMDMX = 31,
FDK_MODULE_LAST
} FDK_MODULE_ID;
/* AAC capability flags */
#define CAPF_AAC_LC 0x00000001 /**< Support flag for AAC Low Complexity. */
#define CAPF_ER_AAC_LD 0x00000002 /**< Support flag for AAC Low Delay with Error Resilience tools. */
#define CAPF_ER_AAC_SCAL 0x00000004 /**< Support flag for AAC Scalable. */
#define CAPF_ER_AAC_LC 0x00000008 /**< Support flag for AAC Low Complexity with Error Resilience tools. */
#define CAPF_AAC_480 0x00000010 /**< Support flag for AAC with 480 framelength. */
#define CAPF_AAC_512 0x00000020 /**< Support flag for AAC with 512 framelength. */
#define CAPF_AAC_960 0x00000040 /**< Support flag for AAC with 960 framelength. */
#define CAPF_AAC_1024 0x00000080 /**< Support flag for AAC with 1024 framelength. */
#define CAPF_AAC_HCR 0x00000100 /**< Support flag for AAC with Huffman Codeword Reordering. */
#define CAPF_AAC_VCB11 0x00000200 /**< Support flag for AAC Virtual Codebook 11. */
#define CAPF_AAC_RVLC 0x00000400 /**< Support flag for AAC Reversible Variable Length Coding. */
#define CAPF_AAC_MPEG4 0x00000800 /**< Support flag for MPEG file format. */
#define CAPF_AAC_DRC 0x00001000 /**< Support flag for AAC Dynamic Range Control. */
#define CAPF_AAC_CONCEALMENT 0x00002000 /**< Support flag for AAC concealment. */
#define CAPF_AAC_DRM_BSFORMAT 0x00004000 /**< Support flag for AAC DRM bistream format. */
#define CAPF_ER_AAC_ELD 0x00008000 /**< Support flag for AAC Enhanced Low Delay with Error Resilience tools. */
#define CAPF_ER_AAC_BSAC 0x00010000 /**< Support flag for AAC BSAC. */
#define CAPF_AAC_SUPERFRAMING 0x00020000 /**< Support flag for AAC Superframing. */
/* Transport capability flags */
#define CAPF_ADTS 0x00000001 /**< Support flag for ADTS transport format. */
#define CAPF_ADIF 0x00000002 /**< Support flag for ADIF transport format. */
#define CAPF_LATM 0x00000004 /**< Support flag for LATM transport format. */
#define CAPF_LOAS 0x00000008 /**< Support flag for LOAS transport format. */
#define CAPF_RAWPACKETS 0x00000010 /**< Support flag for RAW PACKETS transport format. */
#define CAPF_DRM 0x00000020 /**< Support flag for DRM/DRM+ transport format. */
#define CAPF_RSVD50 0x00000040 /**< Support flag for RSVD50 transport format */
/* SBR capability flags */
#define CAPF_SBR_LP 0x00000001 /**< Support flag for SBR Low Power mode. */
#define CAPF_SBR_HQ 0x00000002 /**< Support flag for SBR High Quality mode. */
#define CAPF_SBR_DRM_BS 0x00000004 /**< Support flag for */
#define CAPF_SBR_CONCEALMENT 0x00000008 /**< Support flag for SBR concealment. */
#define CAPF_SBR_DRC 0x00000010 /**< Support flag for SBR Dynamic Range Control. */
#define CAPF_SBR_PS_MPEG 0x00000020 /**< Support flag for MPEG Parametric Stereo. */
#define CAPF_SBR_PS_DRM 0x00000040 /**< Support flag for DRM Parametric Stereo. */
/* MP2 encoder capability flags */
#define CAPF_MP2ENC_SS 0x00000001 /**< Support flag for Seamless Switching. */
#define CAPF_MP2ENC_DAB 0x00000002 /**< Support flag for Layer2 DAB. */
/* DAB capability flags */
#define CAPF_DAB_MP2 0x00000001 /**< Support flag for Layer2 DAB. */
#define CAPF_DAB_AAC 0x00000002 /**< Support flag for DAB+ (HE-AAC v2). */
#define CAPF_DAB_PAD 0x00000004 /**< Support flag for PAD extraction. */
#define CAPF_DAB_DRC 0x00000008 /**< Support flag for Dynamic Range Control. */
#define CAPF_DAB_SURROUND 0x00000010 /**< Support flag for DAB Surround (MPS). */
/* DMB capability flags */
#define CAPF_DMB_BSAC 0x00000001 /**< Support flag for ER AAC BSAC. */
#define CAPF_DMB_DRC 0x00000008 /**< Support flag for Dynamic Range Control. */
#define CAPF_DMB_SURROUND 0x00000010 /**< Support flag for DMB Surround (MPS). */
/* PCM up/downmmix capability flags */
#define CAPF_DMX_BLIND 0x00000001 /**< Support flag for blind downmixing. */
#define CAPF_DMX_PCE 0x00000002 /**< Support flag for guided downmix with data from MPEG-2/4 Program Config Elements (PCE). */
#define CAPF_DMX_ARIB 0x00000004 /**< Support flag for PCE guided downmix with slightly different equations and levels to fulfill ARIB standard. */
#define CAPF_DMX_DVB 0x00000008 /**< Support flag for guided downmix with data from DVB ancillary data fields. */
#define CAPF_DMX_CH_EXP 0x00000010 /**< Support flag for simple upmixing by dublicating channels or adding zero channels. */
/* \endcond */
/*
* ##############################################################################################
* Library versioning
* ##############################################################################################
*/
/**
* Convert each member of version numbers to one single numeric version representation.
* \param lev0 1st level of version number.
* \param lev1 2nd level of version number.
* \param lev2 3rd level of version number.
*/
#define LIB_VERSION(lev0, lev1, lev2) ((lev0<<24 & 0xff000000) | \
(lev1<<16 & 0x00ff0000) | \
(lev2<<8 & 0x0000ff00))
/**
* Build text string of version.
*/
#define LIB_VERSION_STRING(info) FDKsprintf((info)->versionStr, "%d.%d.%d", (((info)->version >> 24) & 0xff), (((info)->version >> 16) & 0xff), (((info)->version >> 8 ) & 0xff))
/**
* Library information.
*/
typedef struct LIB_INFO
{
const char* title;
const char* build_date;
const char* build_time;
FDK_MODULE_ID module_id;
INT version;
UINT flags;
char versionStr[32];
} LIB_INFO;
/** Initialize library info. */
static inline void FDKinitLibInfo( LIB_INFO* info )
{
int i;
for (i = 0; i < FDK_MODULE_LAST; i++) {
info[i].module_id = FDK_NONE;
}
}
/** Aquire supported features of library. */
static inline UINT FDKlibInfo_getCapabilities( const LIB_INFO* info, FDK_MODULE_ID module_id )
{
int i;
for (i=0; i<FDK_MODULE_LAST; i++) {
if (info[i].module_id == module_id) {
return info[i].flags;
}
}
return 0;
}
/** Search for next free tab. */
static inline INT FDKlibInfo_lookup( const LIB_INFO* info, FDK_MODULE_ID module_id )
{
int i = -1;
for (i = 0; i < FDK_MODULE_LAST; i++) {
if (info[i].module_id == module_id)
return -1;
if (info[i].module_id == FDK_NONE)
break;
}
if (i == FDK_MODULE_LAST)
return -1;
return i;
}
/*
* ##############################################################################################
* Buffer description
* ##############################################################################################
*/
/**
* I/O buffer descriptor.
*/
typedef struct FDK_bufDescr
{
void **ppBase; /*!< Pointer to an array containing buffer base addresses.
Set to NULL for buffer requirement info. */
UINT *pBufSize; /*!< Pointer to an array containing the number of elements that can
be placed in the specific buffer. */
UINT *pEleSize; /*!< Pointer to an array containing the element size for each buffer
in bytes. That is mostly the number returned by the sizeof()
operator for the data type used for the specific buffer. */
UINT *pBufType; /*!< Pointer to an array of bit fields containing a description
for each buffer. See XXX below for more details. */
UINT numBufs; /*!< Total number of buffers. */
} FDK_bufDescr;
/**
* Buffer type description field.
*/
#define FDK_BUF_TYPE_MASK_IO ( 0x03 << 30 )
#define FDK_BUF_TYPE_MASK_DESCR ( 0x3F << 16 )
#define FDK_BUF_TYPE_MASK_ID ( 0xFF )
#define FDK_BUF_TYPE_INPUT ( 0x1 << 30 )
#define FDK_BUF_TYPE_OUTPUT ( 0x2 << 30 )
#define FDK_BUF_TYPE_PCM_DATA ( 0x1 << 16 )
#define FDK_BUF_TYPE_ANC_DATA ( 0x2 << 16 )
#define FDK_BUF_TYPE_BS_DATA ( 0x4 << 16 )
#ifdef __cplusplus
}
#endif
#endif /* FDK_AUDIO_H */
|
