OMX_Audio.h revision 224c78405f14b95416d2278e317b98cdb97497cc
1/* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18/*
19 * Copyright (c) 2008 The Khronos Group Inc.
20 *
21 * Permission is hereby granted, free of charge, to any person obtaining
22 * a copy of this software and associated documentation files (the
23 * "Software"), to deal in the Software without restriction, including
24 * without limitation the rights to use, copy, modify, merge, publish,
25 * distribute, sublicense, and/or sell copies of the Software, and to
26 * permit persons to whom the Software is furnished to do so, subject
27 * to the following conditions:
28 * The above copyright notice and this permission notice shall be included
29 * in all copies or substantial portions of the Software.
30 *
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
32 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
34 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
35 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
36 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
37 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 *
39 */
40
41/** @file OMX_Audio.h - OpenMax IL version 1.1.2
42 *  The structures needed by Audio components to exchange
43 *  parameters and configuration data with the componenmilts.
44 */
45
46#ifndef OMX_Audio_h
47#define OMX_Audio_h
48
49#ifdef __cplusplus
50extern "C" {
51#endif /* __cplusplus */
52
53
54/* Each OMX header must include all required header files to allow the
55 *  header to compile without errors.  The includes below are required
56 *  for this header file to compile successfully
57 */
58
59#include <OMX_Core.h>
60
61/** @defgroup midi MIDI
62 * @ingroup audio
63 */
64
65/** @defgroup effects Audio effects
66 * @ingroup audio
67 */
68
69/** @defgroup audio OpenMAX IL Audio Domain
70 * Structures for OpenMAX IL Audio domain
71 * @{
72 */
73
74/** Enumeration used to define the possible audio codings.
75 *  If "OMX_AUDIO_CodingUnused" is selected, the coding selection must
76 *  be done in a vendor specific way.  Since this is for an audio
77 *  processing element this enum is relevant.  However, for another
78 *  type of component other enums would be in this area.
79 */
80typedef enum OMX_AUDIO_CODINGTYPE {
81    OMX_AUDIO_CodingUnused = 0,  /**< Placeholder value when coding is N/A  */
82    OMX_AUDIO_CodingAutoDetect,  /**< auto detection of audio format */
83    OMX_AUDIO_CodingPCM,         /**< Any variant of PCM coding */
84    OMX_AUDIO_CodingADPCM,       /**< Any variant of ADPCM encoded data */
85    OMX_AUDIO_CodingAMR,         /**< Any variant of AMR encoded data */
86    OMX_AUDIO_CodingGSMFR,       /**< Any variant of GSM fullrate (i.e. GSM610) */
87    OMX_AUDIO_CodingGSMEFR,      /**< Any variant of GSM Enhanced Fullrate encoded data*/
88    OMX_AUDIO_CodingGSMHR,       /**< Any variant of GSM Halfrate encoded data */
89    OMX_AUDIO_CodingPDCFR,       /**< Any variant of PDC Fullrate encoded data */
90    OMX_AUDIO_CodingPDCEFR,      /**< Any variant of PDC Enhanced Fullrate encoded data */
91    OMX_AUDIO_CodingPDCHR,       /**< Any variant of PDC Halfrate encoded data */
92    OMX_AUDIO_CodingTDMAFR,      /**< Any variant of TDMA Fullrate encoded data (TIA/EIA-136-420) */
93    OMX_AUDIO_CodingTDMAEFR,     /**< Any variant of TDMA Enhanced Fullrate encoded data (TIA/EIA-136-410) */
94    OMX_AUDIO_CodingQCELP8,      /**< Any variant of QCELP 8kbps encoded data */
95    OMX_AUDIO_CodingQCELP13,     /**< Any variant of QCELP 13kbps encoded data */
96    OMX_AUDIO_CodingEVRC,        /**< Any variant of EVRC encoded data */
97    OMX_AUDIO_CodingSMV,         /**< Any variant of SMV encoded data */
98    OMX_AUDIO_CodingG711,        /**< Any variant of G.711 encoded data */
99    OMX_AUDIO_CodingG723,        /**< Any variant of G.723 dot 1 encoded data */
100    OMX_AUDIO_CodingG726,        /**< Any variant of G.726 encoded data */
101    OMX_AUDIO_CodingG729,        /**< Any variant of G.729 encoded data */
102    OMX_AUDIO_CodingAAC,         /**< Any variant of AAC encoded data */
103    OMX_AUDIO_CodingMP3,         /**< Any variant of MP3 encoded data */
104    OMX_AUDIO_CodingSBC,         /**< Any variant of SBC encoded data */
105    OMX_AUDIO_CodingVORBIS,      /**< Any variant of VORBIS encoded data */
106    OMX_AUDIO_CodingWMA,         /**< Any variant of WMA encoded data */
107    OMX_AUDIO_CodingRA,          /**< Any variant of RA encoded data */
108    OMX_AUDIO_CodingMIDI,        /**< Any variant of MIDI encoded data */
109    OMX_AUDIO_CodingFLAC,        /**< Any variant of FLAC encoded data */
110    OMX_AUDIO_CodingKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
111    OMX_AUDIO_CodingVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
112    OMX_AUDIO_CodingMax = 0x7FFFFFFF
113} OMX_AUDIO_CODINGTYPE;
114
115
116/** The PortDefinition structure is used to define all of the parameters
117 *  necessary for the compliant component to setup an input or an output audio
118 *  path.  If additional information is needed to define the parameters of the
119 *  port (such as frequency), additional structures must be sent such as the
120 *  OMX_AUDIO_PARAM_PCMMODETYPE structure to supply the extra parameters for the port.
121 */
122typedef struct OMX_AUDIO_PORTDEFINITIONTYPE {
123    OMX_STRING cMIMEType;            /**< MIME type of data for the port */
124    OMX_NATIVE_DEVICETYPE pNativeRender; /** < platform specific reference
125                                               for an output device,
126                                               otherwise this field is 0 */
127    OMX_BOOL bFlagErrorConcealment;  /**< Turns on error concealment if it is
128                                          supported by the OMX component */
129    OMX_AUDIO_CODINGTYPE eEncoding;  /**< Type of data expected for this
130                                          port (e.g. PCM, AMR, MP3, etc) */
131} OMX_AUDIO_PORTDEFINITIONTYPE;
132
133
134/**  Port format parameter.  This structure is used to enumerate
135  *  the various data input/output format supported by the port.
136  */
137typedef struct OMX_AUDIO_PARAM_PORTFORMATTYPE {
138    OMX_U32 nSize;                  /**< size of the structure in bytes */
139    OMX_VERSIONTYPE nVersion;       /**< OMX specification version information */
140    OMX_U32 nPortIndex;             /**< Indicates which port to set */
141    OMX_U32 nIndex;                 /**< Indicates the enumeration index for the format from 0x0 to N-1 */
142    OMX_AUDIO_CODINGTYPE eEncoding; /**< Type of data expected for this port (e.g. PCM, AMR, MP3, etc) */
143} OMX_AUDIO_PARAM_PORTFORMATTYPE;
144
145
146/** PCM mode type  */
147typedef enum OMX_AUDIO_PCMMODETYPE {
148    OMX_AUDIO_PCMModeLinear = 0,  /**< Linear PCM encoded data */
149    OMX_AUDIO_PCMModeALaw,        /**< A law PCM encoded data (G.711) */
150    OMX_AUDIO_PCMModeMULaw,       /**< Mu law PCM encoded data (G.711)  */
151    OMX_AUDIO_PCMModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
152    OMX_AUDIO_PCMModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
153    OMX_AUDIO_PCMModeMax = 0x7FFFFFFF
154} OMX_AUDIO_PCMMODETYPE;
155
156
157typedef enum OMX_AUDIO_CHANNELTYPE {
158    OMX_AUDIO_ChannelNone = 0x0,    /**< Unused or empty */
159    OMX_AUDIO_ChannelLF   = 0x1,    /**< Left front */
160    OMX_AUDIO_ChannelRF   = 0x2,    /**< Right front */
161    OMX_AUDIO_ChannelCF   = 0x3,    /**< Center front */
162    OMX_AUDIO_ChannelLS   = 0x4,    /**< Left surround */
163    OMX_AUDIO_ChannelRS   = 0x5,    /**< Right surround */
164    OMX_AUDIO_ChannelLFE  = 0x6,    /**< Low frequency effects */
165    OMX_AUDIO_ChannelCS   = 0x7,    /**< Back surround */
166    OMX_AUDIO_ChannelLR   = 0x8,    /**< Left rear. */
167    OMX_AUDIO_ChannelRR   = 0x9,    /**< Right rear. */
168    OMX_AUDIO_ChannelKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
169    OMX_AUDIO_ChannelVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
170    OMX_AUDIO_ChannelMax  = 0x7FFFFFFF
171} OMX_AUDIO_CHANNELTYPE;
172
173#define OMX_AUDIO_MAXCHANNELS 16  /**< maximum number distinct audio channels that a buffer may contain */
174#define OMX_MIN_PCMPAYLOAD_MSEC 5 /**< Minimum audio buffer payload size for uncompressed (PCM) audio */
175
176/** PCM format description */
177typedef struct OMX_AUDIO_PARAM_PCMMODETYPE {
178    OMX_U32 nSize;                    /**< Size of this structure, in Bytes */
179    OMX_VERSIONTYPE nVersion;         /**< OMX specification version information */
180    OMX_U32 nPortIndex;               /**< port that this structure applies to */
181    OMX_U32 nChannels;                /**< Number of channels (e.g. 2 for stereo) */
182    OMX_NUMERICALDATATYPE eNumData;   /**< indicates PCM data as signed or unsigned */
183    OMX_ENDIANTYPE eEndian;           /**< indicates PCM data as little or big endian */
184    OMX_BOOL bInterleaved;            /**< True for normal interleaved data; false for
185                                           non-interleaved data (e.g. block data) */
186    OMX_U32 nBitPerSample;            /**< Bit per sample */
187    OMX_U32 nSamplingRate;            /**< Sampling rate of the source data.  Use 0 for
188                                           variable or unknown sampling rate. */
189    OMX_AUDIO_PCMMODETYPE ePCMMode;   /**< PCM mode enumeration */
190    OMX_AUDIO_CHANNELTYPE eChannelMapping[OMX_AUDIO_MAXCHANNELS]; /**< Slot i contains channel defined by eChannelMap[i] */
191
192} OMX_AUDIO_PARAM_PCMMODETYPE;
193
194
195/** Audio channel mode.  This is used by both AAC and MP3, although the names are more appropriate
196 * for the MP3.  For example, JointStereo for MP3 is CouplingChannels for AAC.
197 */
198typedef enum OMX_AUDIO_CHANNELMODETYPE {
199    OMX_AUDIO_ChannelModeStereo = 0,  /**< 2 channels, the bitrate allocation between those
200                                          two channels changes accordingly to each channel information */
201    OMX_AUDIO_ChannelModeJointStereo, /**< mode that takes advantage of what is common between
202                                           2 channels for higher compression gain */
203    OMX_AUDIO_ChannelModeDual,        /**< 2 mono-channels, each channel is encoded with half
204                                           the bitrate of the overall bitrate */
205    OMX_AUDIO_ChannelModeMono,        /**< Mono channel mode */
206    OMX_AUDIO_ChannelModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
207    OMX_AUDIO_ChannelModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
208    OMX_AUDIO_ChannelModeMax = 0x7FFFFFFF
209} OMX_AUDIO_CHANNELMODETYPE;
210
211
212typedef enum OMX_AUDIO_MP3STREAMFORMATTYPE {
213    OMX_AUDIO_MP3StreamFormatMP1Layer3 = 0, /**< MP3 Audio MPEG 1 Layer 3 Stream format */
214    OMX_AUDIO_MP3StreamFormatMP2Layer3,     /**< MP3 Audio MPEG 2 Layer 3 Stream format */
215    OMX_AUDIO_MP3StreamFormatMP2_5Layer3,   /**< MP3 Audio MPEG2.5 Layer 3 Stream format */
216    OMX_AUDIO_MP3StreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
217    OMX_AUDIO_MP3StreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
218    OMX_AUDIO_MP3StreamFormatMax = 0x7FFFFFFF
219} OMX_AUDIO_MP3STREAMFORMATTYPE;
220
221/** MP3 params */
222typedef struct OMX_AUDIO_PARAM_MP3TYPE {
223    OMX_U32 nSize;                 /**< size of the structure in bytes */
224    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
225    OMX_U32 nPortIndex;            /**< port that this structure applies to */
226    OMX_U32 nChannels;             /**< Number of channels */
227    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
228                                        rate or unknown bit rates */
229    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
230                                        variable or unknown sampling rate. */
231    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
232                                        limit the audio signal. Use 0 to let encoder decide */
233    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
234    OMX_AUDIO_MP3STREAMFORMATTYPE eFormat;  /**< MP3 stream format */
235} OMX_AUDIO_PARAM_MP3TYPE;
236
237
238typedef enum OMX_AUDIO_AACSTREAMFORMATTYPE {
239    OMX_AUDIO_AACStreamFormatMP2ADTS = 0, /**< AAC Audio Data Transport Stream 2 format */
240    OMX_AUDIO_AACStreamFormatMP4ADTS,     /**< AAC Audio Data Transport Stream 4 format */
241    OMX_AUDIO_AACStreamFormatMP4LOAS,     /**< AAC Low Overhead Audio Stream format */
242    OMX_AUDIO_AACStreamFormatMP4LATM,     /**< AAC Low overhead Audio Transport Multiplex */
243    OMX_AUDIO_AACStreamFormatADIF,        /**< AAC Audio Data Interchange Format */
244    OMX_AUDIO_AACStreamFormatMP4FF,       /**< AAC inside MPEG-4/ISO File Format */
245    OMX_AUDIO_AACStreamFormatRAW,         /**< AAC Raw Format */
246    OMX_AUDIO_AACStreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
247    OMX_AUDIO_AACStreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
248    OMX_AUDIO_AACStreamFormatMax = 0x7FFFFFFF
249} OMX_AUDIO_AACSTREAMFORMATTYPE;
250
251
252/** AAC mode type.  Note that the term profile is used with the MPEG-2
253 * standard and the term object type and profile is used with MPEG-4 */
254typedef enum OMX_AUDIO_AACPROFILETYPE{
255  OMX_AUDIO_AACObjectNull = 0,      /**< Null, not used */
256  OMX_AUDIO_AACObjectMain = 1,      /**< AAC Main object */
257  OMX_AUDIO_AACObjectLC,            /**< AAC Low Complexity object (AAC profile) */
258  OMX_AUDIO_AACObjectSSR,           /**< AAC Scalable Sample Rate object */
259  OMX_AUDIO_AACObjectLTP,           /**< AAC Long Term Prediction object */
260  OMX_AUDIO_AACObjectHE,            /**< AAC High Efficiency (object type SBR, HE-AAC profile) */
261  OMX_AUDIO_AACObjectScalable,      /**< AAC Scalable object */
262  OMX_AUDIO_AACObjectERLC = 17,     /**< ER AAC Low Complexity object (Error Resilient AAC-LC) */
263  OMX_AUDIO_AACObjectLD = 23,       /**< AAC Low Delay object (Error Resilient) */
264  OMX_AUDIO_AACObjectHE_PS = 29,    /**< AAC High Efficiency with Parametric Stereo coding (HE-AAC v2, object type PS) */
265  OMX_AUDIO_AACObjectELD = 39,      /** AAC Enhanced Low Delay. NOTE: Pending Khronos standardization **/
266  OMX_AUDIO_AACObjectKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
267  OMX_AUDIO_AACObjectVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
268  OMX_AUDIO_AACObjectMax = 0x7FFFFFFF
269} OMX_AUDIO_AACPROFILETYPE;
270
271
272/** AAC tool usage (for nAACtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
273 * Required for encoder configuration and optional as decoder info output.
274 * For MP3, OMX_AUDIO_CHANNELMODETYPE is sufficient. */
275#define OMX_AUDIO_AACToolNone 0x00000000 /**< no AAC tools allowed (encoder config) or active (decoder info output) */
276#define OMX_AUDIO_AACToolMS   0x00000001 /**< MS: Mid/side joint coding tool allowed or active */
277#define OMX_AUDIO_AACToolIS   0x00000002 /**< IS: Intensity stereo tool allowed or active */
278#define OMX_AUDIO_AACToolTNS  0x00000004 /**< TNS: Temporal Noise Shaping tool allowed or active */
279#define OMX_AUDIO_AACToolPNS  0x00000008 /**< PNS: MPEG-4 Perceptual Noise substitution tool allowed or active */
280#define OMX_AUDIO_AACToolLTP  0x00000010 /**< LTP: MPEG-4 Long Term Prediction tool allowed or active */
281#define OMX_AUDIO_AACToolAll  0x7FFFFFFF /**< all AAC tools allowed or active (*/
282
283/** MPEG-4 AAC error resilience (ER) tool usage (for nAACERtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
284 * Required for ER encoder configuration and optional as decoder info output */
285#define OMX_AUDIO_AACERNone  0x00000000  /**< no AAC ER tools allowed/used */
286#define OMX_AUDIO_AACERVCB11 0x00000001  /**< VCB11: Virtual Code Books for AAC section data */
287#define OMX_AUDIO_AACERRVLC  0x00000002  /**< RVLC: Reversible Variable Length Coding */
288#define OMX_AUDIO_AACERHCR   0x00000004  /**< HCR: Huffman Codeword Reordering */
289#define OMX_AUDIO_AACERAll   0x7FFFFFFF  /**< all AAC ER tools allowed/used */
290
291
292/** AAC params */
293typedef struct OMX_AUDIO_PARAM_AACPROFILETYPE {
294    OMX_U32 nSize;                 /**< Size of this structure, in Bytes */
295    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
296    OMX_U32 nPortIndex;            /**< Port that this structure applies to */
297    OMX_U32 nChannels;             /**< Number of channels */
298    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
299                                        variable or unknown sampling rate. */
300    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
301                                        rate or unknown bit rates */
302    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
303                                        limit the audio signal. Use 0 to let encoder decide */
304    OMX_U32 nFrameLength;          /**< Frame length (in audio samples per channel) of the codec.
305                                        Can be 1024 or 960 (AAC-LC), 2048 (HE-AAC), 480 or 512 (AAC-LD).
306                                        Use 0 to let encoder decide */
307    OMX_U32 nAACtools;             /**< AAC tool usage */
308    OMX_U32 nAACERtools;           /**< MPEG-4 AAC error resilience tool usage */
309    OMX_AUDIO_AACPROFILETYPE eAACProfile;   /**< AAC profile enumeration */
310    OMX_AUDIO_AACSTREAMFORMATTYPE eAACStreamFormat; /**< AAC stream format enumeration */
311    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
312} OMX_AUDIO_PARAM_AACPROFILETYPE;
313
314
315/** VORBIS params */
316typedef struct OMX_AUDIO_PARAM_VORBISTYPE {
317    OMX_U32 nSize;            /**< size of the structure in bytes */
318    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
319    OMX_U32 nPortIndex;       /**< port that this structure applies to */
320    OMX_U32 nChannels;        /**< Number of channels */
321    OMX_U32 nBitRate;         /**< Bit rate of the encoded data data.  Use 0 for variable
322                                   rate or unknown bit rates. Encoding is set to the
323                                   bitrate closest to specified  value (in bps) */
324    OMX_U32 nMinBitRate;      /**< Sets minimum bitrate (in bps). */
325    OMX_U32 nMaxBitRate;      /**< Sets maximum bitrate (in bps). */
326
327    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
328                                   variable or unknown sampling rate. */
329    OMX_U32 nAudioBandWidth;  /**< Audio band width (in Hz) to which an encoder should
330                                   limit the audio signal. Use 0 to let encoder decide */
331    OMX_S32 nQuality;		  /**< Sets encoding quality to n, between -1 (low) and 10 (high).
332                                   In the default mode of operation, teh quality level is 3.
333                                   Normal quality range is 0 - 10. */
334    OMX_BOOL bManaged;		  /**< Set  bitrate  management  mode. This turns off the
335                                   normal VBR encoding, but allows hard or soft bitrate
336                                   constraints to be enforced by the encoder. This mode can
337                                   be slower, and may also be lower quality. It is
338                                   primarily useful for streaming. */
339    OMX_BOOL bDownmix;		  /**< Downmix input from stereo to mono (has no effect on
340                                   non-stereo streams). Useful for lower-bitrate encoding. */
341} OMX_AUDIO_PARAM_VORBISTYPE;
342
343
344/** FLAC params */
345typedef struct OMX_AUDIO_PARAM_FLACTYPE {
346    OMX_U32 nSize;            /**< size of the structure in bytes */
347    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
348    OMX_U32 nPortIndex;       /**< port that this structure applies to */
349    OMX_U32 nChannels;        /**< Number of channels */
350    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
351                                   unknown sampling rate. */
352    OMX_U32 nCompressionLevel;/**< FLAC compression level, from 0 (fastest compression)
353                                   to 8 (highest compression */
354} OMX_AUDIO_PARAM_FLACTYPE;
355
356
357/** WMA Version */
358typedef enum OMX_AUDIO_WMAFORMATTYPE {
359  OMX_AUDIO_WMAFormatUnused = 0, /**< format unused or unknown */
360  OMX_AUDIO_WMAFormat7,          /**< Windows Media Audio format 7 */
361  OMX_AUDIO_WMAFormat8,          /**< Windows Media Audio format 8 */
362  OMX_AUDIO_WMAFormat9,          /**< Windows Media Audio format 9 */
363  OMX_AUDIO_WMAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
364  OMX_AUDIO_WMAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
365  OMX_AUDIO_WMAFormatMax = 0x7FFFFFFF
366} OMX_AUDIO_WMAFORMATTYPE;
367
368
369/** WMA Profile */
370typedef enum OMX_AUDIO_WMAPROFILETYPE {
371  OMX_AUDIO_WMAProfileUnused = 0,  /**< profile unused or unknown */
372  OMX_AUDIO_WMAProfileL1,          /**< Windows Media audio version 9 profile L1 */
373  OMX_AUDIO_WMAProfileL2,          /**< Windows Media audio version 9 profile L2 */
374  OMX_AUDIO_WMAProfileL3,          /**< Windows Media audio version 9 profile L3 */
375  OMX_AUDIO_WMAProfileKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
376  OMX_AUDIO_WMAProfileVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
377  OMX_AUDIO_WMAProfileMax = 0x7FFFFFFF
378} OMX_AUDIO_WMAPROFILETYPE;
379
380
381/** WMA params */
382typedef struct OMX_AUDIO_PARAM_WMATYPE {
383    OMX_U32 nSize;            /**< size of the structure in bytes */
384    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
385    OMX_U32 nPortIndex;       /**< port that this structure applies to */
386    OMX_U16 nChannels;        /**< Number of channels */
387    OMX_U32 nBitRate;         /**< Bit rate of the input data.  Use 0 for variable
388                                   rate or unknown bit rates */
389    OMX_AUDIO_WMAFORMATTYPE eFormat; /**< Version of WMA stream / data */
390	OMX_AUDIO_WMAPROFILETYPE eProfile;  /**< Profile of WMA stream / data */
391    OMX_U32 nSamplingRate;    /**< Sampling rate of the source data */
392    OMX_U16 nBlockAlign;      /**< is the block alignment, or block size, in bytes of the audio codec */
393    OMX_U16 nEncodeOptions;   /**< WMA Type-specific data */
394    OMX_U32 nSuperBlockAlign; /**< WMA Type-specific data */
395} OMX_AUDIO_PARAM_WMATYPE;
396
397/**
398 * RealAudio format
399 */
400typedef enum OMX_AUDIO_RAFORMATTYPE {
401    OMX_AUDIO_RAFormatUnused = 0, /**< Format unused or unknown */
402    OMX_AUDIO_RA8,                /**< RealAudio 8 codec */
403    OMX_AUDIO_RA9,                /**< RealAudio 9 codec */
404    OMX_AUDIO_RA10_AAC,           /**< MPEG-4 AAC codec for bitrates of more than 128kbps */
405    OMX_AUDIO_RA10_CODEC,         /**< RealAudio codec for bitrates less than 128 kbps */
406    OMX_AUDIO_RA10_LOSSLESS,      /**< RealAudio Lossless */
407    OMX_AUDIO_RA10_MULTICHANNEL,  /**< RealAudio Multichannel */
408    OMX_AUDIO_RA10_VOICE,         /**< RealAudio Voice for bitrates below 15 kbps */
409    OMX_AUDIO_RAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
410    OMX_AUDIO_RAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
411    OMX_VIDEO_RAFormatMax = 0x7FFFFFFF
412} OMX_AUDIO_RAFORMATTYPE;
413
414/** RA (Real Audio) params */
415typedef struct OMX_AUDIO_PARAM_RATYPE {
416    OMX_U32 nSize;              /**< Size of this structure, in Bytes */
417    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
418    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
419    OMX_U32 nChannels;          /**< Number of channels */
420    OMX_U32 nSamplingRate;      /**< is the sampling rate of the source data */
421    OMX_U32 nBitsPerFrame;      /**< is the value for bits per frame  */
422    OMX_U32 nSamplePerFrame;    /**< is the value for samples per frame */
423    OMX_U32 nCouplingQuantBits; /**< is the number of coupling quantization bits in the stream */
424    OMX_U32 nCouplingStartRegion;   /**< is the coupling start region in the stream  */
425    OMX_U32 nNumRegions;        /**< is the number of regions value */
426    OMX_AUDIO_RAFORMATTYPE eFormat; /**< is the RealAudio audio format */
427} OMX_AUDIO_PARAM_RATYPE;
428
429
430/** SBC Allocation Method Type */
431typedef enum OMX_AUDIO_SBCALLOCMETHODTYPE {
432  OMX_AUDIO_SBCAllocMethodLoudness, /**< Loudness allocation method */
433  OMX_AUDIO_SBCAllocMethodSNR,      /**< SNR allocation method */
434  OMX_AUDIO_SBCAllocMethodKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
435  OMX_AUDIO_SBCAllocMethodVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
436  OMX_AUDIO_SBCAllocMethodMax = 0x7FFFFFFF
437} OMX_AUDIO_SBCALLOCMETHODTYPE;
438
439
440/** SBC params */
441typedef struct OMX_AUDIO_PARAM_SBCTYPE {
442    OMX_U32 nSize;             /**< size of the structure in bytes */
443    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
444    OMX_U32 nPortIndex;        /**< port that this structure applies to */
445    OMX_U32 nChannels;         /**< Number of channels */
446    OMX_U32 nBitRate;          /**< Bit rate of the input data.  Use 0 for variable
447                                    rate or unknown bit rates */
448    OMX_U32 nSampleRate;       /**< Sampling rate of the source data.  Use 0 for
449                                    variable or unknown sampling rate. */
450    OMX_U32 nBlocks;           /**< Number of blocks */
451    OMX_U32 nSubbands;         /**< Number of subbands */
452    OMX_U32 nBitPool;          /**< Bitpool value */
453    OMX_BOOL bEnableBitrate;   /**< Use bitrate value instead of bitpool */
454    OMX_AUDIO_CHANNELMODETYPE eChannelMode; /**< Channel mode enumeration */
455    OMX_AUDIO_SBCALLOCMETHODTYPE eSBCAllocType;   /**< SBC Allocation method type */
456} OMX_AUDIO_PARAM_SBCTYPE;
457
458
459/** ADPCM stream format parameters */
460typedef struct OMX_AUDIO_PARAM_ADPCMTYPE {
461    OMX_U32 nSize;              /**< size of the structure in bytes */
462    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
463    OMX_U32 nPortIndex;         /**< port that this structure applies to */
464    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
465                                     necessarily the same as the number of channels
466                                     to be rendered. */
467    OMX_U32 nBitsPerSample;     /**< Number of bits in each sample */
468    OMX_U32 nSampleRate;        /**< Sampling rate of the source data.  Use 0 for
469                                    variable or unknown sampling rate. */
470} OMX_AUDIO_PARAM_ADPCMTYPE;
471
472
473/** G723 rate */
474typedef enum OMX_AUDIO_G723RATE {
475    OMX_AUDIO_G723ModeUnused = 0,  /**< AMRNB Mode unused / unknown */
476    OMX_AUDIO_G723ModeLow,         /**< 5300 bps */
477    OMX_AUDIO_G723ModeHigh,        /**< 6300 bps */
478    OMX_AUDIO_G723ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
479    OMX_AUDIO_G723ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
480    OMX_AUDIO_G723ModeMax = 0x7FFFFFFF
481} OMX_AUDIO_G723RATE;
482
483
484/** G723 - Sample rate must be 8 KHz */
485typedef struct OMX_AUDIO_PARAM_G723TYPE {
486    OMX_U32 nSize;                /**< size of the structure in bytes */
487    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
488    OMX_U32 nPortIndex;           /**< port that this structure applies to */
489    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
490                                       necessarily the same as the number of channels
491                                       to be rendered. */
492    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
493    OMX_AUDIO_G723RATE eBitRate;  /**< todo: Should this be moved to a config? */
494    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
495    OMX_BOOL bPostFilter;         /**< Enable Post Filter */
496} OMX_AUDIO_PARAM_G723TYPE;
497
498
499/** ITU G726 (ADPCM) rate */
500typedef enum OMX_AUDIO_G726MODE {
501    OMX_AUDIO_G726ModeUnused = 0,  /**< G726 Mode unused / unknown */
502    OMX_AUDIO_G726Mode16,          /**< 16 kbps */
503    OMX_AUDIO_G726Mode24,          /**< 24 kbps */
504    OMX_AUDIO_G726Mode32,          /**< 32 kbps, most common rate, also G721 */
505    OMX_AUDIO_G726Mode40,          /**< 40 kbps */
506    OMX_AUDIO_G726ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
507    OMX_AUDIO_G726ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
508    OMX_AUDIO_G726ModeMax = 0x7FFFFFFF
509} OMX_AUDIO_G726MODE;
510
511
512/** G.726 stream format parameters - must be at 8KHz */
513typedef struct OMX_AUDIO_PARAM_G726TYPE {
514    OMX_U32 nSize;              /**< size of the structure in bytes */
515    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
516    OMX_U32 nPortIndex;         /**< port that this structure applies to */
517    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
518                                     necessarily the same as the number of channels
519                                     to be rendered. */
520     OMX_AUDIO_G726MODE eG726Mode;
521} OMX_AUDIO_PARAM_G726TYPE;
522
523
524/** G729 coder type */
525typedef enum OMX_AUDIO_G729TYPE {
526    OMX_AUDIO_G729 = 0,           /**< ITU G.729  encoded data */
527    OMX_AUDIO_G729A,              /**< ITU G.729 annex A  encoded data */
528    OMX_AUDIO_G729B,              /**< ITU G.729 with annex B encoded data */
529    OMX_AUDIO_G729AB,             /**< ITU G.729 annexes A and B encoded data */
530    OMX_AUDIO_G729KhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
531    OMX_AUDIO_G729VendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
532    OMX_AUDIO_G729Max = 0x7FFFFFFF
533} OMX_AUDIO_G729TYPE;
534
535
536/** G729 stream format parameters - fixed 6KHz sample rate */
537typedef struct OMX_AUDIO_PARAM_G729TYPE {
538    OMX_U32 nSize;            /**< size of the structure in bytes */
539    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
540    OMX_U32 nPortIndex;       /**< port that this structure applies to */
541    OMX_U32 nChannels;        /**< Number of channels in the data stream (not
542                                   necessarily the same as the number of channels
543                                   to be rendered. */
544    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
545    OMX_AUDIO_G729TYPE eBitType;
546} OMX_AUDIO_PARAM_G729TYPE;
547
548
549/** AMR Frame format */
550typedef enum OMX_AUDIO_AMRFRAMEFORMATTYPE {
551    OMX_AUDIO_AMRFrameFormatConformance = 0,  /**< Frame Format is AMR Conformance
552                                                   (Standard) Format */
553    OMX_AUDIO_AMRFrameFormatIF1,              /**< Frame Format is AMR Interface
554                                                   Format 1 */
555    OMX_AUDIO_AMRFrameFormatIF2,              /**< Frame Format is AMR Interface
556                                                   Format 2*/
557    OMX_AUDIO_AMRFrameFormatFSF,              /**< Frame Format is AMR File Storage
558                                                   Format */
559    OMX_AUDIO_AMRFrameFormatRTPPayload,       /**< Frame Format is AMR Real-Time
560                                                   Transport Protocol Payload Format */
561    OMX_AUDIO_AMRFrameFormatITU,              /**< Frame Format is ITU Format (added at Motorola request) */
562    OMX_AUDIO_AMRFrameFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
563    OMX_AUDIO_AMRFrameFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
564    OMX_AUDIO_AMRFrameFormatMax = 0x7FFFFFFF
565} OMX_AUDIO_AMRFRAMEFORMATTYPE;
566
567
568/** AMR band mode */
569typedef enum OMX_AUDIO_AMRBANDMODETYPE {
570    OMX_AUDIO_AMRBandModeUnused = 0,          /**< AMRNB Mode unused / unknown */
571    OMX_AUDIO_AMRBandModeNB0,                 /**< AMRNB Mode 0 =  4750 bps */
572    OMX_AUDIO_AMRBandModeNB1,                 /**< AMRNB Mode 1 =  5150 bps */
573    OMX_AUDIO_AMRBandModeNB2,                 /**< AMRNB Mode 2 =  5900 bps */
574    OMX_AUDIO_AMRBandModeNB3,                 /**< AMRNB Mode 3 =  6700 bps */
575    OMX_AUDIO_AMRBandModeNB4,                 /**< AMRNB Mode 4 =  7400 bps */
576    OMX_AUDIO_AMRBandModeNB5,                 /**< AMRNB Mode 5 =  7950 bps */
577    OMX_AUDIO_AMRBandModeNB6,                 /**< AMRNB Mode 6 = 10200 bps */
578    OMX_AUDIO_AMRBandModeNB7,                 /**< AMRNB Mode 7 = 12200 bps */
579    OMX_AUDIO_AMRBandModeWB0,                 /**< AMRWB Mode 0 =  6600 bps */
580    OMX_AUDIO_AMRBandModeWB1,                 /**< AMRWB Mode 1 =  8850 bps */
581    OMX_AUDIO_AMRBandModeWB2,                 /**< AMRWB Mode 2 = 12650 bps */
582    OMX_AUDIO_AMRBandModeWB3,                 /**< AMRWB Mode 3 = 14250 bps */
583    OMX_AUDIO_AMRBandModeWB4,                 /**< AMRWB Mode 4 = 15850 bps */
584    OMX_AUDIO_AMRBandModeWB5,                 /**< AMRWB Mode 5 = 18250 bps */
585    OMX_AUDIO_AMRBandModeWB6,                 /**< AMRWB Mode 6 = 19850 bps */
586    OMX_AUDIO_AMRBandModeWB7,                 /**< AMRWB Mode 7 = 23050 bps */
587    OMX_AUDIO_AMRBandModeWB8,                 /**< AMRWB Mode 8 = 23850 bps */
588    OMX_AUDIO_AMRBandModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
589    OMX_AUDIO_AMRBandModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
590    OMX_AUDIO_AMRBandModeMax = 0x7FFFFFFF
591} OMX_AUDIO_AMRBANDMODETYPE;
592
593
594/** AMR Discontinuous Transmission mode */
595typedef enum OMX_AUDIO_AMRDTXMODETYPE {
596    OMX_AUDIO_AMRDTXModeOff = 0,        /**< AMR Discontinuous Transmission Mode is disabled */
597    OMX_AUDIO_AMRDTXModeOnVAD1,         /**< AMR Discontinuous Transmission Mode using
598                                             Voice Activity Detector 1 (VAD1) is enabled */
599    OMX_AUDIO_AMRDTXModeOnVAD2,         /**< AMR Discontinuous Transmission Mode using
600                                             Voice Activity Detector 2 (VAD2) is enabled */
601    OMX_AUDIO_AMRDTXModeOnAuto,         /**< The codec will automatically select between
602                                             Off, VAD1 or VAD2 modes */
603
604    OMX_AUDIO_AMRDTXasEFR,             /**< DTX as EFR instead of AMR standard (3GPP 26.101, frame type =8,9,10) */
605
606    OMX_AUDIO_AMRDTXModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
607    OMX_AUDIO_AMRDTXModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
608    OMX_AUDIO_AMRDTXModeMax = 0x7FFFFFFF
609} OMX_AUDIO_AMRDTXMODETYPE;
610
611
612/** AMR params */
613typedef struct OMX_AUDIO_PARAM_AMRTYPE {
614    OMX_U32 nSize;                          /**< size of the structure in bytes */
615    OMX_VERSIONTYPE nVersion;               /**< OMX specification version information */
616    OMX_U32 nPortIndex;                     /**< port that this structure applies to */
617    OMX_U32 nChannels;                      /**< Number of channels */
618    OMX_U32 nBitRate;                       /**< Bit rate read only field */
619    OMX_AUDIO_AMRBANDMODETYPE eAMRBandMode; /**< AMR Band Mode enumeration */
620    OMX_AUDIO_AMRDTXMODETYPE  eAMRDTXMode;  /**< AMR DTX Mode enumeration */
621    OMX_AUDIO_AMRFRAMEFORMATTYPE eAMRFrameFormat; /**< AMR frame format enumeration */
622} OMX_AUDIO_PARAM_AMRTYPE;
623
624
625/** GSM_FR (ETSI 06.10, 3GPP 46.010) stream format parameters */
626typedef struct OMX_AUDIO_PARAM_GSMFRTYPE {
627    OMX_U32 nSize;            /**< size of the structure in bytes */
628    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
629    OMX_U32 nPortIndex;       /**< port that this structure applies to */
630    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
631    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
632} OMX_AUDIO_PARAM_GSMFRTYPE;
633
634
635/** GSM-HR (ETSI 06.20, 3GPP 46.020) stream format parameters */
636typedef struct OMX_AUDIO_PARAM_GSMHRTYPE {
637    OMX_U32 nSize;            /**< size of the structure in bytes */
638    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
639    OMX_U32 nPortIndex;       /**< port that this structure applies to */
640    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
641    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
642} OMX_AUDIO_PARAM_GSMHRTYPE;
643
644
645/** GSM-EFR (ETSI 06.60, 3GPP 46.060) stream format parameters */
646typedef struct OMX_AUDIO_PARAM_GSMEFRTYPE {
647    OMX_U32 nSize;            /**< size of the structure in bytes */
648    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
649    OMX_U32 nPortIndex;       /**< port that this structure applies to */
650    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
651    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
652} OMX_AUDIO_PARAM_GSMEFRTYPE;
653
654
655/** TDMA FR (TIA/EIA-136-420, VSELP 7.95kbps coder) stream format parameters */
656typedef struct OMX_AUDIO_PARAM_TDMAFRTYPE {
657    OMX_U32 nSize;                /**< size of the structure in bytes */
658    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
659    OMX_U32 nPortIndex;           /**< port that this structure applies to */
660    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
661                                       necessarily the same as the number of channels
662                                       to be rendered. */
663    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
664    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
665} OMX_AUDIO_PARAM_TDMAFRTYPE;
666
667
668/** TDMA EFR (TIA/EIA-136-410, ACELP 7.4kbps coder) stream format parameters */
669typedef struct OMX_AUDIO_PARAM_TDMAEFRTYPE {
670    OMX_U32 nSize;                /**< size of the structure in bytes */
671    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
672    OMX_U32 nPortIndex;           /**< port that this structure applies to */
673    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
674                                       necessarily the same as the number of channels
675                                       to be rendered. */
676    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
677    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
678} OMX_AUDIO_PARAM_TDMAEFRTYPE;
679
680
681/** PDC FR ( RCR-27, VSELP 6.7kbps coder) stream format parameters */
682typedef struct OMX_AUDIO_PARAM_PDCFRTYPE {
683    OMX_U32 nSize;                /**< size of the structure in bytes */
684    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
685    OMX_U32 nPortIndex;           /**< port that this structure applies to */
686    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
687                                       necessarily the same as the number of channels
688                                       to be rendered. */
689    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
690    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
691} OMX_AUDIO_PARAM_PDCFRTYPE;
692
693
694/** PDC EFR ( RCR-27, ACELP 6.7kbps coder) stream format parameters */
695typedef struct OMX_AUDIO_PARAM_PDCEFRTYPE {
696    OMX_U32 nSize;                /**< size of the structure in bytes */
697    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
698    OMX_U32 nPortIndex;           /**< port that this structure applies to */
699    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
700                                       necessarily the same as the number of channels
701                                       to be rendered. */
702    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
703    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
704} OMX_AUDIO_PARAM_PDCEFRTYPE;
705
706/** PDC HR ( RCR-27, PSI-CELP 3.45kbps coder) stream format parameters */
707typedef struct OMX_AUDIO_PARAM_PDCHRTYPE {
708    OMX_U32 nSize;                /**< size of the structure in bytes */
709    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
710    OMX_U32 nPortIndex;           /**< port that this structure applies to */
711    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
712                                       necessarily the same as the number of channels
713                                       to be rendered. */
714    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
715    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
716} OMX_AUDIO_PARAM_PDCHRTYPE;
717
718
719/** CDMA Rate types */
720typedef enum OMX_AUDIO_CDMARATETYPE {
721    OMX_AUDIO_CDMARateBlank = 0,          /**< CDMA encoded frame is blank */
722    OMX_AUDIO_CDMARateFull,               /**< CDMA encoded frame in full rate */
723    OMX_AUDIO_CDMARateHalf,               /**< CDMA encoded frame in half rate */
724    OMX_AUDIO_CDMARateQuarter,            /**< CDMA encoded frame in quarter rate */
725    OMX_AUDIO_CDMARateEighth,             /**< CDMA encoded frame in eighth rate (DTX)*/
726    OMX_AUDIO_CDMARateErasure,            /**< CDMA erasure frame */
727    OMX_AUDIO_CDMARateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
728    OMX_AUDIO_CDMARateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
729    OMX_AUDIO_CDMARateMax = 0x7FFFFFFF
730} OMX_AUDIO_CDMARATETYPE;
731
732
733/** QCELP8 (TIA/EIA-96, up to 8kbps coder) stream format parameters */
734typedef struct OMX_AUDIO_PARAM_QCELP8TYPE {
735    OMX_U32 nSize;                /**< size of the structure in bytes */
736    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
737    OMX_U32 nPortIndex;           /**< port that this structure applies to */
738    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
739                                       necessarily the same as the number of channels
740                                       to be rendered. */
741    OMX_U32 nBitRate;             /**< Bit rate of the input data.  Use 0 for variable
742                                       rate or unknown bit rates */
743    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
744    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
745    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
746} OMX_AUDIO_PARAM_QCELP8TYPE;
747
748
749/** QCELP13 ( CDMA, EIA/TIA-733, 13.3kbps coder) stream format parameters */
750typedef struct OMX_AUDIO_PARAM_QCELP13TYPE {
751    OMX_U32 nSize;                /**< size of the structure in bytes */
752    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
753    OMX_U32 nPortIndex;           /**< port that this structure applies to */
754    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
755                                       necessarily the same as the number of channels
756                                       to be rendered. */
757    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
758    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
759    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
760} OMX_AUDIO_PARAM_QCELP13TYPE;
761
762
763/** EVRC ( CDMA, EIA/TIA-127, RCELP up to 8.55kbps coder) stream format parameters */
764typedef struct OMX_AUDIO_PARAM_EVRCTYPE {
765    OMX_U32 nSize;                /**< size of the structure in bytes */
766    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
767    OMX_U32 nPortIndex;           /**< port that this structure applies to */
768    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
769                                       necessarily the same as the number of channels
770                                       to be rendered. */
771    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< actual Frame rate */
772    OMX_BOOL bRATE_REDUCon;       /**< RATE_REDUCtion is requested for this frame */
773    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
774    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
775    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter */
776    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
777    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter */
778} OMX_AUDIO_PARAM_EVRCTYPE;
779
780
781/** SMV ( up to 8.55kbps coder) stream format parameters */
782typedef struct OMX_AUDIO_PARAM_SMVTYPE {
783    OMX_U32 nSize;                /**< size of the structure in bytes */
784    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
785    OMX_U32 nPortIndex;           /**< port that this structure applies to */
786    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
787                                       necessarily the same as the number of channels
788                                       to be rendered. */
789    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
790    OMX_BOOL bRATE_REDUCon;           /**< RATE_REDUCtion is requested for this frame */
791    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 ??*/
792    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 ??*/
793    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter ??*/
794    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
795    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter ??*/
796} OMX_AUDIO_PARAM_SMVTYPE;
797
798
799/** MIDI Format
800 * @ingroup midi
801 */
802typedef enum OMX_AUDIO_MIDIFORMATTYPE
803{
804    OMX_AUDIO_MIDIFormatUnknown = 0, /**< MIDI Format unknown or don't care */
805    OMX_AUDIO_MIDIFormatSMF0,        /**< Standard MIDI File Type 0 */
806    OMX_AUDIO_MIDIFormatSMF1,        /**< Standard MIDI File Type 1 */
807    OMX_AUDIO_MIDIFormatSMF2,        /**< Standard MIDI File Type 2 */
808    OMX_AUDIO_MIDIFormatSPMIDI,      /**< SP-MIDI */
809    OMX_AUDIO_MIDIFormatXMF0,        /**< eXtensible Music Format type 0 */
810    OMX_AUDIO_MIDIFormatXMF1,        /**< eXtensible Music Format type 1 */
811    OMX_AUDIO_MIDIFormatMobileXMF,   /**< Mobile XMF (eXtensible Music Format type 2) */
812    OMX_AUDIO_MIDIFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
813    OMX_AUDIO_MIDIFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
814    OMX_AUDIO_MIDIFormatMax = 0x7FFFFFFF
815} OMX_AUDIO_MIDIFORMATTYPE;
816
817
818/** MIDI params
819 * @ingroup midi
820 */
821typedef struct OMX_AUDIO_PARAM_MIDITYPE {
822    OMX_U32 nSize;                 /**< size of the structure in bytes */
823    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
824    OMX_U32 nPortIndex;            /**< port that this structure applies to */
825    OMX_U32 nFileSize;             /**< size of the MIDI file in bytes, where the entire
826                                        MIDI file passed in, otherwise if 0x0, the MIDI data
827                                        is merged and streamed (instead of passed as an
828                                        entire MIDI file) */
829    OMX_BU32 sMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
830                                        voices. A value of zero indicates that the default
831                                        polyphony of the device is used  */
832    OMX_BOOL bLoadDefaultSound;    /**< Whether to load default sound
833                                        bank at initialization */
834    OMX_AUDIO_MIDIFORMATTYPE eMidiFormat; /**< Version of the MIDI file */
835} OMX_AUDIO_PARAM_MIDITYPE;
836
837
838/** Type of the MIDI sound bank
839 * @ingroup midi
840 */
841typedef enum OMX_AUDIO_MIDISOUNDBANKTYPE {
842    OMX_AUDIO_MIDISoundBankUnused = 0,           /**< unused/unknown soundbank type */
843    OMX_AUDIO_MIDISoundBankDLS1,                 /**< DLS version 1 */
844    OMX_AUDIO_MIDISoundBankDLS2,                 /**< DLS version 2 */
845    OMX_AUDIO_MIDISoundBankMobileDLSBase,        /**< Mobile DLS, using the base functionality */
846    OMX_AUDIO_MIDISoundBankMobileDLSPlusOptions, /**< Mobile DLS, using the specification-defined optional feature set */
847    OMX_AUDIO_MIDISoundBankKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
848    OMX_AUDIO_MIDISoundBankVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
849    OMX_AUDIO_MIDISoundBankMax = 0x7FFFFFFF
850} OMX_AUDIO_MIDISOUNDBANKTYPE;
851
852
853/** Bank Layout describes how bank MSB & LSB are used in the DLS instrument definitions sound bank
854 * @ingroup midi
855 */
856typedef enum OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE {
857   OMX_AUDIO_MIDISoundBankLayoutUnused = 0,   /**< unused/unknown soundbank type */
858   OMX_AUDIO_MIDISoundBankLayoutGM,           /**< GS layout (based on bank MSB 0x00) */
859   OMX_AUDIO_MIDISoundBankLayoutGM2,          /**< General MIDI 2 layout (using MSB 0x78/0x79, LSB 0x00) */
860   OMX_AUDIO_MIDISoundBankLayoutUser,         /**< Does not conform to any bank numbering standards */
861   OMX_AUDIO_MIDISoundBankLayoutKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
862   OMX_AUDIO_MIDISoundBankLayoutVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
863   OMX_AUDIO_MIDISoundBankLayoutMax = 0x7FFFFFFF
864} OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE;
865
866
867/** MIDI params to load/unload user soundbank
868 * @ingroup midi
869 */
870typedef struct OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE {
871    OMX_U32 nSize;            /**< size of the structure in bytes */
872    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
873    OMX_U32 nPortIndex;       /**< port that this structure applies to */
874    OMX_U32 nDLSIndex;        /**< DLS file index to be loaded */
875    OMX_U32 nDLSSize;         /**< Size in bytes */
876    OMX_PTR pDLSData;         /**< Pointer to DLS file data */
877    OMX_AUDIO_MIDISOUNDBANKTYPE eMidiSoundBank;   /**< Midi sound bank type enumeration */
878    OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE eMidiSoundBankLayout; /**< Midi sound bank layout enumeration */
879} OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE;
880
881
882/** Structure for Live MIDI events and MIP messages.
883 * (MIP = Maximum Instantaneous Polyphony; part of the SP-MIDI standard.)
884 * @ingroup midi
885 */
886typedef struct OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE {
887    OMX_U32 nSize;            /**< size of the structure in bytes */
888    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
889    OMX_U32 nPortIndex;       /**< Port that this structure applies to */
890    OMX_U32 nMidiEventSize;   /**< Size of immediate MIDI events or MIP message in bytes  */
891    OMX_U8 nMidiEvents[1];    /**< MIDI event array to be rendered immediately, or an
892                                   array for the MIP message buffer, where the size is
893                                   indicated by nMidiEventSize */
894} OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE;
895
896
897/** MIDI sound bank/ program pair in a given channel
898 * @ingroup midi
899 */
900typedef struct OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE {
901    OMX_U32 nSize;              /**< size of the structure in bytes */
902    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
903    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
904    OMX_U32 nChannel;           /**< Valid channel values range from 1 to 16 */
905    OMX_U16 nIDProgram;         /**< Valid program ID range is 1 to 128 */
906    OMX_U16 nIDSoundBank;       /**< Sound bank ID */
907    OMX_U32 nUserSoundBankIndex;/**< User soundbank index, easier to access soundbanks
908                                     by index if multiple banks are present */
909} OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE;
910
911
912/** MIDI control
913 * @ingroup midi
914 */
915typedef struct OMX_AUDIO_CONFIG_MIDICONTROLTYPE {
916    OMX_U32 nSize;                /**< size of the structure in bytes */
917    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
918    OMX_U32 nPortIndex;           /**< port that this structure applies to */
919    OMX_BS32 sPitchTransposition; /**< Pitch transposition in semitones, stored as Q22.10
920                                       format based on JAVA MMAPI (JSR-135) requirement */
921    OMX_BU32 sPlayBackRate;       /**< Relative playback rate, stored as Q14.17 fixed-point
922                                       number based on JSR-135 requirement */
923    OMX_BU32 sTempo ;             /**< Tempo in beats per minute (BPM), stored as Q22.10
924                                       fixed-point number based on JSR-135 requirement */
925    OMX_U32 nMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
926                                       voices. A value of zero indicates that the default
927                                       polyphony of the device is used  */
928    OMX_U32 nNumRepeat;           /**< Number of times to repeat playback */
929    OMX_U32 nStopTime;            /**< Time in milliseconds to indicate when playback
930                                       will stop automatically.  Set to zero if not used */
931    OMX_U16 nChannelMuteMask;     /**< 16 bit mask for channel mute status */
932    OMX_U16 nChannelSoloMask;     /**< 16 bit mask for channel solo status */
933    OMX_U32 nTrack0031MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 0-31 */
934    OMX_U32 nTrack3263MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 32-63 */
935    OMX_U32 nTrack0031SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 0-31 */
936    OMX_U32 nTrack3263SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 32-63 */
937
938} OMX_AUDIO_CONFIG_MIDICONTROLTYPE;
939
940
941/** MIDI Playback States
942 * @ingroup midi
943 */
944typedef enum OMX_AUDIO_MIDIPLAYBACKSTATETYPE {
945  OMX_AUDIO_MIDIPlayBackStateUnknown = 0,      /**< Unknown state or state does not map to
946  													other defined states */
947  OMX_AUDIO_MIDIPlayBackStateClosedEngaged,    /**< No MIDI resource is currently open.
948                                                    The MIDI engine is currently processing
949                                                    MIDI events. */
950  OMX_AUDIO_MIDIPlayBackStateParsing,          /**< A MIDI resource is open and is being
951                                                    primed. The MIDI engine is currently
952                                                    processing MIDI events. */
953  OMX_AUDIO_MIDIPlayBackStateOpenEngaged,      /**< A MIDI resource is open and primed but
954                                                    not playing. The MIDI engine is currently
955                                                    processing MIDI events. The transition to
956                                                    this state is only possible from the
957                                                    OMX_AUDIO_MIDIPlayBackStatePlaying state,
958                                                    when the 'playback head' reaches the end
959                                                    of media data or the playback stops due
960                                                    to stop time set.*/
961  OMX_AUDIO_MIDIPlayBackStatePlaying,          /**< A MIDI resource is open and currently
962                                                    playing. The MIDI engine is currently
963                                                    processing MIDI events.*/
964  OMX_AUDIO_MIDIPlayBackStatePlayingPartially, /**< Best-effort playback due to SP-MIDI/DLS
965                                                    resource constraints */
966  OMX_AUDIO_MIDIPlayBackStatePlayingSilently,  /**< Due to system resource constraints and
967                                                    SP-MIDI content constraints, there is
968                                                    no audible MIDI content during playback
969                                                    currently. The situation may change if
970                                                    resources are freed later.*/
971  OMX_AUDIO_MIDIPlayBackStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
972  OMX_AUDIO_MIDIPlayBackStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
973  OMX_AUDIO_MIDIPlayBackStateMax = 0x7FFFFFFF
974} OMX_AUDIO_MIDIPLAYBACKSTATETYPE;
975
976
977/** MIDI status
978 * @ingroup midi
979 */
980typedef struct OMX_AUDIO_CONFIG_MIDISTATUSTYPE {
981    OMX_U32 nSize;              /**< size of the structure in bytes */
982    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
983    OMX_U32 nPortIndex;         /**< port that this structure applies to */
984    OMX_U16 nNumTracks;         /**< Number of MIDI tracks in the file, read only field.
985                                     NOTE: May not return a meaningful value until the entire
986                                     file is parsed and buffered.  */
987    OMX_U32 nDuration;          /**< The length of the currently open MIDI resource
988                                     in milliseconds. NOTE: May not return a meaningful value
989                                     until the entire file is parsed and buffered.  */
990    OMX_U32 nPosition;          /**< Current Position of the MIDI resource being played
991                                     in milliseconds */
992    OMX_BOOL bVibra;            /**< Does Vibra track exist? NOTE: May not return a meaningful
993                                     value until the entire file is parsed and buffered. */
994    OMX_U32 nNumMetaEvents;     /**< Total number of MIDI Meta Events in the currently
995                                     open MIDI resource. NOTE: May not return a meaningful value
996                                     until the entire file is parsed and buffered.  */
997    OMX_U32 nNumActiveVoices;   /**< Number of active voices in the currently playing
998                                     MIDI resource. NOTE: May not return a meaningful value until
999                                     the entire file is parsed and buffered. */
1000    OMX_AUDIO_MIDIPLAYBACKSTATETYPE eMIDIPlayBackState;  /**< MIDI playback state enumeration, read only field */
1001} OMX_AUDIO_CONFIG_MIDISTATUSTYPE;
1002
1003
1004/** MIDI Meta Event structure one per Meta Event.
1005 *  MIDI Meta Events are like audio metadata, except that they are interspersed
1006 *  with the MIDI content throughout the file and are not localized in the header.
1007 *  As such, it is necessary to retrieve information about these Meta Events from
1008 *  the engine, as it encounters these Meta Events within the MIDI content.
1009 *  For example, SMF files can have up to 14 types of MIDI Meta Events (copyright,
1010 *  author, default tempo, etc.) scattered throughout the file.
1011 *  @ingroup midi
1012 */
1013typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE{
1014    OMX_U32 nSize;            /**< size of the structure in bytes */
1015    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
1016    OMX_U32 nPortIndex;       /**< port that this structure applies to */
1017    OMX_U32 nIndex;           /**< Index of Meta Event */
1018    OMX_U8 nMetaEventType;    /**< Meta Event Type, 7bits (i.e. 0 - 127) */
1019    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
1020    OMX_U32 nTrack;           /**< track number for the meta event */
1021    OMX_U32 nPosition;        /**< Position of the meta-event in milliseconds */
1022} OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE;
1023
1024
1025/** MIDI Meta Event Data structure - one per Meta Event.
1026 * @ingroup midi
1027 */
1028typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTDATATYPE{
1029    OMX_U32 nSize;            /**< size of the structure in bytes */
1030    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
1031    OMX_U32 nPortIndex;       /**< port that this structure applies to */
1032    OMX_U32 nIndex;           /**< Index of Meta Event */
1033    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
1034    OMX_U8 nData[1];          /**< array of one or more bytes of meta data
1035                                   as indicated by the nMetaEventSize field */
1036} OMX_AUDIO_CONFIG__MIDIMETAEVENTDATATYPE;
1037
1038
1039/** Audio Volume adjustment for a port */
1040typedef struct OMX_AUDIO_CONFIG_VOLUMETYPE {
1041    OMX_U32 nSize;              /**< size of the structure in bytes */
1042    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1043    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1044                                     set.  Select the input port to set
1045                                     just that port's volume.  Select the
1046                                     output port to adjust the master
1047                                     volume. */
1048    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100)
1049                                     or logarithmic scale (mB) */
1050    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
1051                                     Volume logarithmic setting for this port.  The values
1052                                     for volume are in mB (millibels = 1/100 dB) relative
1053                                     to a gain of 1 (e.g. the output is the same as the
1054                                     input level).  Values are in mB from nMax
1055                                     (maximum volume) to nMin mB (typically negative).
1056                                     Since the volume is "voltage"
1057                                     and not a "power", it takes a setting of
1058                                     -600 mB to decrease the volume by 1/2.  If
1059                                     a component cannot accurately set the
1060                                     volume to the requested value, it must
1061                                     set the volume to the closest value BELOW
1062                                     the requested value.  When getting the
1063                                     volume setting, the current actual volume
1064                                     must be returned. */
1065} OMX_AUDIO_CONFIG_VOLUMETYPE;
1066
1067
1068/** Audio Volume adjustment for a channel */
1069typedef struct OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE {
1070    OMX_U32 nSize;              /**< size of the structure in bytes */
1071    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1072    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1073                                     set.  Select the input port to set
1074                                     just that port's volume.  Select the
1075                                     output port to adjust the master
1076                                     volume. */
1077    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
1078                                     using OMX_ALL to apply volume settings
1079                                     to all channels */
1080    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100) or
1081                                     logarithmic scale (mB) */
1082    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
1083                                     Volume logarithmic setting for this port.
1084                                     The values for volume are in mB
1085                                     (millibels = 1/100 dB) relative to a gain
1086                                     of 1 (e.g. the output is the same as the
1087                                     input level).  Values are in mB from nMax
1088                                     (maximum volume) to nMin mB (typically negative).
1089                                     Since the volume is "voltage"
1090                                     and not a "power", it takes a setting of
1091                                     -600 mB to decrease the volume by 1/2.  If
1092                                     a component cannot accurately set the
1093                                     volume to the requested value, it must
1094                                     set the volume to the closest value BELOW
1095                                     the requested value.  When getting the
1096                                     volume setting, the current actual volume
1097                                     must be returned. */
1098    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
1099                                     FALSE otherwise */
1100} OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE;
1101
1102
1103/** Audio balance setting */
1104typedef struct OMX_AUDIO_CONFIG_BALANCETYPE {
1105    OMX_U32 nSize;              /**< size of the structure in bytes */
1106    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1107    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1108                                     set.  Select the input port to set
1109                                     just that port's balance.  Select the
1110                                     output port to adjust the master
1111                                     balance. */
1112    OMX_S32 nBalance;           /**< balance setting for this port
1113                                     (-100 to 100, where -100 indicates
1114                                     all left, and no right */
1115} OMX_AUDIO_CONFIG_BALANCETYPE;
1116
1117
1118/** Audio Port mute */
1119typedef struct OMX_AUDIO_CONFIG_MUTETYPE {
1120    OMX_U32 nSize;              /**< size of the structure in bytes */
1121    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1122    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1123                                     set.  Select the input port to set
1124                                     just that port's mute.  Select the
1125                                     output port to adjust the master
1126                                     mute. */
1127    OMX_BOOL bMute;             /**< Mute setting for this port */
1128} OMX_AUDIO_CONFIG_MUTETYPE;
1129
1130
1131/** Audio Channel mute */
1132typedef struct OMX_AUDIO_CONFIG_CHANNELMUTETYPE {
1133    OMX_U32 nSize;              /**< size of the structure in bytes */
1134    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1135    OMX_U32 nPortIndex;         /**< port that this structure applies to */
1136    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
1137                                     using OMX_ALL to apply mute settings
1138                                     to all channels */
1139    OMX_BOOL bMute;             /**< Mute setting for this channel */
1140    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
1141                                     FALSE otherwise */
1142} OMX_AUDIO_CONFIG_CHANNELMUTETYPE;
1143
1144
1145
1146/** Enable / Disable for loudness control, which boosts bass and to a
1147 *  smaller extent high end frequencies to compensate for hearing
1148 *  ability at the extreme ends of the audio spectrum
1149 */
1150typedef struct OMX_AUDIO_CONFIG_LOUDNESSTYPE {
1151    OMX_U32 nSize;             /**< size of the structure in bytes */
1152    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1153    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1154    OMX_BOOL bLoudness;        /**< Enable/disable for loudness */
1155} OMX_AUDIO_CONFIG_LOUDNESSTYPE;
1156
1157
1158/** Enable / Disable for bass, which controls low frequencies
1159 */
1160typedef struct OMX_AUDIO_CONFIG_BASSTYPE {
1161    OMX_U32 nSize;             /**< size of the structure in bytes */
1162    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1163    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1164    OMX_BOOL bEnable;          /**< Enable/disable for bass control */
1165    OMX_S32 nBass;             /**< bass setting for the port, as a
1166                                    continuous value from -100 to 100
1167                                    (0 means no change in bass level)*/
1168} OMX_AUDIO_CONFIG_BASSTYPE;
1169
1170
1171/** Enable / Disable for treble, which controls high frequencies tones
1172 */
1173typedef struct OMX_AUDIO_CONFIG_TREBLETYPE {
1174    OMX_U32 nSize;             /**< size of the structure in bytes */
1175    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1176    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1177    OMX_BOOL bEnable;          /**< Enable/disable for treble control */
1178    OMX_S32  nTreble;          /**< treble setting for the port, as a
1179                                    continuous value from -100 to 100
1180                                    (0 means no change in treble level) */
1181} OMX_AUDIO_CONFIG_TREBLETYPE;
1182
1183
1184/** An equalizer is typically used for two reasons: to compensate for an
1185 *  sub-optimal frequency response of a system to make it sound more natural
1186 *  or to create intentionally some unnatural coloring to the sound to create
1187 *  an effect.
1188 *  @ingroup effects
1189 */
1190typedef struct OMX_AUDIO_CONFIG_EQUALIZERTYPE {
1191    OMX_U32 nSize;             /**< size of the structure in bytes */
1192    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1193    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1194    OMX_BOOL bEnable;          /**< Enable/disable for equalizer */
1195    OMX_BU32 sBandIndex;       /**< Band number to be set.  Upper Limit is
1196                                    N-1, where N is the number of bands, lower limit is 0 */
1197    OMX_BU32 sCenterFreq;      /**< Center frequecies in Hz.  This is a
1198                                    read only element and is used to determine
1199                                    the lower, center and upper frequency of
1200                                    this band.  */
1201    OMX_BS32 sBandLevel;       /**< band level in millibels */
1202} OMX_AUDIO_CONFIG_EQUALIZERTYPE;
1203
1204
1205/** Stereo widening mode type
1206 * @ingroup effects
1207 */
1208typedef enum OMX_AUDIO_STEREOWIDENINGTYPE {
1209    OMX_AUDIO_StereoWideningHeadphones,    /**< Stereo widening for loudspeakers */
1210    OMX_AUDIO_StereoWideningLoudspeakers,  /**< Stereo widening for closely spaced loudspeakers */
1211    OMX_AUDIO_StereoWideningKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
1212    OMX_AUDIO_StereoWideningVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
1213    OMX_AUDIO_StereoWideningMax = 0x7FFFFFFF
1214} OMX_AUDIO_STEREOWIDENINGTYPE;
1215
1216
1217/** Control for stereo widening, which is a special 2-channel
1218 *  case of the audio virtualizer effect. For example, for 5.1-channel
1219 *  output, it translates to virtual surround sound.
1220 * @ingroup effects
1221 */
1222typedef struct OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE {
1223    OMX_U32 nSize;             /**< size of the structure in bytes */
1224    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1225    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1226    OMX_BOOL bEnable;          /**< Enable/disable for stereo widening control */
1227    OMX_AUDIO_STEREOWIDENINGTYPE eWideningType; /**< Stereo widening algorithm type */
1228    OMX_U32  nStereoWidening;  /**< stereo widening setting for the port,
1229                                    as a continuous value from 0 to 100  */
1230} OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE;
1231
1232
1233/** The chorus effect (or ``choralizer'') is any signal processor which makes
1234 *  one sound source (such as a voice) sound like many such sources singing
1235 *  (or playing) in unison. Since performance in unison is never exact, chorus
1236 *  effects simulate this by making independently modified copies of the input
1237 *  signal. Modifications may include (1) delay, (2) frequency shift, and
1238 *  (3) amplitude modulation.
1239 * @ingroup effects
1240 */
1241typedef struct OMX_AUDIO_CONFIG_CHORUSTYPE {
1242    OMX_U32 nSize;             /**< size of the structure in bytes */
1243    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1244    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1245    OMX_BOOL bEnable;          /**< Enable/disable for chorus */
1246    OMX_BU32 sDelay;           /**< average delay in milliseconds */
1247    OMX_BU32 sModulationRate;  /**< rate of modulation in millihertz */
1248    OMX_U32 nModulationDepth;  /**< depth of modulation as a percentage of
1249                                    delay (i.e. 0 to 100) */
1250    OMX_BU32 nFeedback;        /**< Feedback from chorus output to input in percentage */
1251} OMX_AUDIO_CONFIG_CHORUSTYPE;
1252
1253
1254/** Reverberation is part of the reflected sound that follows the early
1255 *  reflections. In a typical room, this consists of a dense succession of
1256 *  echoes whose energy decays exponentially. The reverberation effect structure
1257 *  as defined here includes both (early) reflections as well as (late) reverberations.
1258 * @ingroup effects
1259 */
1260typedef struct OMX_AUDIO_CONFIG_REVERBERATIONTYPE {
1261    OMX_U32 nSize;                /**< size of the structure in bytes */
1262    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
1263    OMX_U32 nPortIndex;           /**< port that this structure applies to */
1264    OMX_BOOL bEnable;             /**< Enable/disable for reverberation control */
1265    OMX_BS32 sRoomLevel;          /**< Intensity level for the whole room effect
1266                                       (i.e. both early reflections and late
1267                                       reverberation) in millibels */
1268    OMX_BS32 sRoomHighFreqLevel;  /**< Attenuation at high frequencies
1269                                       relative to the intensity at low
1270                                       frequencies in millibels */
1271    OMX_BS32 sReflectionsLevel;   /**< Intensity level of early reflections
1272                                       (relative to room value), in millibels */
1273    OMX_BU32 sReflectionsDelay;   /**< Delay time of the first reflection relative
1274                                       to the direct path, in milliseconds */
1275    OMX_BS32 sReverbLevel;        /**< Intensity level of late reverberation
1276                                       relative to room level, in millibels */
1277    OMX_BU32 sReverbDelay;        /**< Time delay from the first early reflection
1278                                       to the beginning of the late reverberation
1279                                       section, in milliseconds */
1280    OMX_BU32 sDecayTime;          /**< Late reverberation decay time at low
1281                                       frequencies, in milliseconds */
1282    OMX_BU32 nDecayHighFreqRatio; /**< Ratio of high frequency decay time relative
1283                                       to low frequency decay time in percent  */
1284    OMX_U32 nDensity;             /**< Modal density in the late reverberation decay,
1285                                       in percent (i.e. 0 - 100) */
1286    OMX_U32 nDiffusion;           /**< Echo density in the late reverberation decay,
1287                                       in percent (i.e. 0 - 100) */
1288    OMX_BU32 sReferenceHighFreq;  /**< Reference high frequency in Hertz. This is
1289                                       the frequency used as the reference for all
1290                                       the high-frequency settings above */
1291
1292} OMX_AUDIO_CONFIG_REVERBERATIONTYPE;
1293
1294
1295/** Possible settings for the Echo Cancelation structure to use
1296 * @ingroup effects
1297 */
1298typedef enum OMX_AUDIO_ECHOCANTYPE {
1299   OMX_AUDIO_EchoCanOff = 0,    /**< Echo Cancellation is disabled */
1300   OMX_AUDIO_EchoCanNormal,     /**< Echo Cancellation normal operation -
1301                                     echo from plastics and face */
1302   OMX_AUDIO_EchoCanHFree,      /**< Echo Cancellation optimized for
1303                                     Hands Free operation */
1304   OMX_AUDIO_EchoCanCarKit,    /**< Echo Cancellation optimized for
1305                                     Car Kit (longer echo) */
1306   OMX_AUDIO_EchoCanKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
1307   OMX_AUDIO_EchoCanVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
1308   OMX_AUDIO_EchoCanMax = 0x7FFFFFFF
1309} OMX_AUDIO_ECHOCANTYPE;
1310
1311
1312/** Enable / Disable for echo cancelation, which removes undesired echo's
1313 *  from the audio
1314 * @ingroup effects
1315 */
1316typedef struct OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE {
1317    OMX_U32 nSize;             /**< size of the structure in bytes */
1318    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1319    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1320    OMX_AUDIO_ECHOCANTYPE eEchoCancelation; /**< Echo cancelation settings */
1321} OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE;
1322
1323
1324/** Enable / Disable for noise reduction, which undesired noise from
1325 * the audio
1326 * @ingroup effects
1327 */
1328typedef struct OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE {
1329    OMX_U32 nSize;             /**< size of the structure in bytes */
1330    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1331    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1332    OMX_BOOL bNoiseReduction;  /**< Enable/disable for noise reduction */
1333} OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE;
1334
1335/** @} */
1336
1337#ifdef __cplusplus
1338}
1339#endif /* __cplusplus */
1340
1341#endif
1342/* File EOF */
1343