OMX_Audio.h revision e91cd213d439c076051b1fb02c8bc40c11791dbb
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_AACToolVendor 0x00010000 /**< NOT A KHRONOS VALUE, offset for vendor-specific additions */
282#define OMX_AUDIO_AACToolAll  0x7FFFFFFF /**< all AAC tools allowed or active (*/
283
284/** MPEG-4 AAC error resilience (ER) tool usage (for nAACERtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
285 * Required for ER encoder configuration and optional as decoder info output */
286#define OMX_AUDIO_AACERNone  0x00000000  /**< no AAC ER tools allowed/used */
287#define OMX_AUDIO_AACERVCB11 0x00000001  /**< VCB11: Virtual Code Books for AAC section data */
288#define OMX_AUDIO_AACERRVLC  0x00000002  /**< RVLC: Reversible Variable Length Coding */
289#define OMX_AUDIO_AACERHCR   0x00000004  /**< HCR: Huffman Codeword Reordering */
290#define OMX_AUDIO_AACERAll   0x7FFFFFFF  /**< all AAC ER tools allowed/used */
291
292
293/** AAC params */
294typedef struct OMX_AUDIO_PARAM_AACPROFILETYPE {
295    OMX_U32 nSize;                 /**< Size of this structure, in Bytes */
296    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
297    OMX_U32 nPortIndex;            /**< Port that this structure applies to */
298    OMX_U32 nChannels;             /**< Number of channels */
299    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
300                                        variable or unknown sampling rate. */
301    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
302                                        rate or unknown bit rates */
303    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
304                                        limit the audio signal. Use 0 to let encoder decide */
305    OMX_U32 nFrameLength;          /**< Frame length (in audio samples per channel) of the codec.
306                                        Can be 1024 or 960 (AAC-LC), 2048 (HE-AAC), 480 or 512 (AAC-LD).
307                                        Use 0 to let encoder decide */
308    OMX_U32 nAACtools;             /**< AAC tool usage */
309    OMX_U32 nAACERtools;           /**< MPEG-4 AAC error resilience tool usage */
310    OMX_AUDIO_AACPROFILETYPE eAACProfile;   /**< AAC profile enumeration */
311    OMX_AUDIO_AACSTREAMFORMATTYPE eAACStreamFormat; /**< AAC stream format enumeration */
312    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
313} OMX_AUDIO_PARAM_AACPROFILETYPE;
314
315
316/** VORBIS params */
317typedef struct OMX_AUDIO_PARAM_VORBISTYPE {
318    OMX_U32 nSize;            /**< size of the structure in bytes */
319    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
320    OMX_U32 nPortIndex;       /**< port that this structure applies to */
321    OMX_U32 nChannels;        /**< Number of channels */
322    OMX_U32 nBitRate;         /**< Bit rate of the encoded data data.  Use 0 for variable
323                                   rate or unknown bit rates. Encoding is set to the
324                                   bitrate closest to specified  value (in bps) */
325    OMX_U32 nMinBitRate;      /**< Sets minimum bitrate (in bps). */
326    OMX_U32 nMaxBitRate;      /**< Sets maximum bitrate (in bps). */
327
328    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
329                                   variable or unknown sampling rate. */
330    OMX_U32 nAudioBandWidth;  /**< Audio band width (in Hz) to which an encoder should
331                                   limit the audio signal. Use 0 to let encoder decide */
332    OMX_S32 nQuality;		  /**< Sets encoding quality to n, between -1 (low) and 10 (high).
333                                   In the default mode of operation, teh quality level is 3.
334                                   Normal quality range is 0 - 10. */
335    OMX_BOOL bManaged;		  /**< Set  bitrate  management  mode. This turns off the
336                                   normal VBR encoding, but allows hard or soft bitrate
337                                   constraints to be enforced by the encoder. This mode can
338                                   be slower, and may also be lower quality. It is
339                                   primarily useful for streaming. */
340    OMX_BOOL bDownmix;		  /**< Downmix input from stereo to mono (has no effect on
341                                   non-stereo streams). Useful for lower-bitrate encoding. */
342} OMX_AUDIO_PARAM_VORBISTYPE;
343
344
345/** FLAC params */
346typedef struct OMX_AUDIO_PARAM_FLACTYPE {
347    OMX_U32 nSize;            /**< size of the structure in bytes */
348    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
349    OMX_U32 nPortIndex;       /**< port that this structure applies to */
350    OMX_U32 nChannels;        /**< Number of channels */
351    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
352                                   unknown sampling rate. */
353    OMX_U32 nCompressionLevel;/**< FLAC compression level, from 0 (fastest compression)
354                                   to 8 (highest compression */
355} OMX_AUDIO_PARAM_FLACTYPE;
356
357
358/** WMA Version */
359typedef enum OMX_AUDIO_WMAFORMATTYPE {
360  OMX_AUDIO_WMAFormatUnused = 0, /**< format unused or unknown */
361  OMX_AUDIO_WMAFormat7,          /**< Windows Media Audio format 7 */
362  OMX_AUDIO_WMAFormat8,          /**< Windows Media Audio format 8 */
363  OMX_AUDIO_WMAFormat9,          /**< Windows Media Audio format 9 */
364  OMX_AUDIO_WMAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
365  OMX_AUDIO_WMAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
366  OMX_AUDIO_WMAFormatMax = 0x7FFFFFFF
367} OMX_AUDIO_WMAFORMATTYPE;
368
369
370/** WMA Profile */
371typedef enum OMX_AUDIO_WMAPROFILETYPE {
372  OMX_AUDIO_WMAProfileUnused = 0,  /**< profile unused or unknown */
373  OMX_AUDIO_WMAProfileL1,          /**< Windows Media audio version 9 profile L1 */
374  OMX_AUDIO_WMAProfileL2,          /**< Windows Media audio version 9 profile L2 */
375  OMX_AUDIO_WMAProfileL3,          /**< Windows Media audio version 9 profile L3 */
376  OMX_AUDIO_WMAProfileKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
377  OMX_AUDIO_WMAProfileVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
378  OMX_AUDIO_WMAProfileMax = 0x7FFFFFFF
379} OMX_AUDIO_WMAPROFILETYPE;
380
381
382/** WMA params */
383typedef struct OMX_AUDIO_PARAM_WMATYPE {
384    OMX_U32 nSize;            /**< size of the structure in bytes */
385    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
386    OMX_U32 nPortIndex;       /**< port that this structure applies to */
387    OMX_U16 nChannels;        /**< Number of channels */
388    OMX_U32 nBitRate;         /**< Bit rate of the input data.  Use 0 for variable
389                                   rate or unknown bit rates */
390    OMX_AUDIO_WMAFORMATTYPE eFormat; /**< Version of WMA stream / data */
391	OMX_AUDIO_WMAPROFILETYPE eProfile;  /**< Profile of WMA stream / data */
392    OMX_U32 nSamplingRate;    /**< Sampling rate of the source data */
393    OMX_U16 nBlockAlign;      /**< is the block alignment, or block size, in bytes of the audio codec */
394    OMX_U16 nEncodeOptions;   /**< WMA Type-specific data */
395    OMX_U32 nSuperBlockAlign; /**< WMA Type-specific data */
396} OMX_AUDIO_PARAM_WMATYPE;
397
398/**
399 * RealAudio format
400 */
401typedef enum OMX_AUDIO_RAFORMATTYPE {
402    OMX_AUDIO_RAFormatUnused = 0, /**< Format unused or unknown */
403    OMX_AUDIO_RA8,                /**< RealAudio 8 codec */
404    OMX_AUDIO_RA9,                /**< RealAudio 9 codec */
405    OMX_AUDIO_RA10_AAC,           /**< MPEG-4 AAC codec for bitrates of more than 128kbps */
406    OMX_AUDIO_RA10_CODEC,         /**< RealAudio codec for bitrates less than 128 kbps */
407    OMX_AUDIO_RA10_LOSSLESS,      /**< RealAudio Lossless */
408    OMX_AUDIO_RA10_MULTICHANNEL,  /**< RealAudio Multichannel */
409    OMX_AUDIO_RA10_VOICE,         /**< RealAudio Voice for bitrates below 15 kbps */
410    OMX_AUDIO_RAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
411    OMX_AUDIO_RAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
412    OMX_VIDEO_RAFormatMax = 0x7FFFFFFF
413} OMX_AUDIO_RAFORMATTYPE;
414
415/** RA (Real Audio) params */
416typedef struct OMX_AUDIO_PARAM_RATYPE {
417    OMX_U32 nSize;              /**< Size of this structure, in Bytes */
418    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
419    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
420    OMX_U32 nChannels;          /**< Number of channels */
421    OMX_U32 nSamplingRate;      /**< is the sampling rate of the source data */
422    OMX_U32 nBitsPerFrame;      /**< is the value for bits per frame  */
423    OMX_U32 nSamplePerFrame;    /**< is the value for samples per frame */
424    OMX_U32 nCouplingQuantBits; /**< is the number of coupling quantization bits in the stream */
425    OMX_U32 nCouplingStartRegion;   /**< is the coupling start region in the stream  */
426    OMX_U32 nNumRegions;        /**< is the number of regions value */
427    OMX_AUDIO_RAFORMATTYPE eFormat; /**< is the RealAudio audio format */
428} OMX_AUDIO_PARAM_RATYPE;
429
430
431/** SBC Allocation Method Type */
432typedef enum OMX_AUDIO_SBCALLOCMETHODTYPE {
433  OMX_AUDIO_SBCAllocMethodLoudness, /**< Loudness allocation method */
434  OMX_AUDIO_SBCAllocMethodSNR,      /**< SNR allocation method */
435  OMX_AUDIO_SBCAllocMethodKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
436  OMX_AUDIO_SBCAllocMethodVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
437  OMX_AUDIO_SBCAllocMethodMax = 0x7FFFFFFF
438} OMX_AUDIO_SBCALLOCMETHODTYPE;
439
440
441/** SBC params */
442typedef struct OMX_AUDIO_PARAM_SBCTYPE {
443    OMX_U32 nSize;             /**< size of the structure in bytes */
444    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
445    OMX_U32 nPortIndex;        /**< port that this structure applies to */
446    OMX_U32 nChannels;         /**< Number of channels */
447    OMX_U32 nBitRate;          /**< Bit rate of the input data.  Use 0 for variable
448                                    rate or unknown bit rates */
449    OMX_U32 nSampleRate;       /**< Sampling rate of the source data.  Use 0 for
450                                    variable or unknown sampling rate. */
451    OMX_U32 nBlocks;           /**< Number of blocks */
452    OMX_U32 nSubbands;         /**< Number of subbands */
453    OMX_U32 nBitPool;          /**< Bitpool value */
454    OMX_BOOL bEnableBitrate;   /**< Use bitrate value instead of bitpool */
455    OMX_AUDIO_CHANNELMODETYPE eChannelMode; /**< Channel mode enumeration */
456    OMX_AUDIO_SBCALLOCMETHODTYPE eSBCAllocType;   /**< SBC Allocation method type */
457} OMX_AUDIO_PARAM_SBCTYPE;
458
459
460/** ADPCM stream format parameters */
461typedef struct OMX_AUDIO_PARAM_ADPCMTYPE {
462    OMX_U32 nSize;              /**< size of the structure in bytes */
463    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
464    OMX_U32 nPortIndex;         /**< port that this structure applies to */
465    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
466                                     necessarily the same as the number of channels
467                                     to be rendered. */
468    OMX_U32 nBitsPerSample;     /**< Number of bits in each sample */
469    OMX_U32 nSampleRate;        /**< Sampling rate of the source data.  Use 0 for
470                                    variable or unknown sampling rate. */
471} OMX_AUDIO_PARAM_ADPCMTYPE;
472
473
474/** G723 rate */
475typedef enum OMX_AUDIO_G723RATE {
476    OMX_AUDIO_G723ModeUnused = 0,  /**< AMRNB Mode unused / unknown */
477    OMX_AUDIO_G723ModeLow,         /**< 5300 bps */
478    OMX_AUDIO_G723ModeHigh,        /**< 6300 bps */
479    OMX_AUDIO_G723ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
480    OMX_AUDIO_G723ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
481    OMX_AUDIO_G723ModeMax = 0x7FFFFFFF
482} OMX_AUDIO_G723RATE;
483
484
485/** G723 - Sample rate must be 8 KHz */
486typedef struct OMX_AUDIO_PARAM_G723TYPE {
487    OMX_U32 nSize;                /**< size of the structure in bytes */
488    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
489    OMX_U32 nPortIndex;           /**< port that this structure applies to */
490    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
491                                       necessarily the same as the number of channels
492                                       to be rendered. */
493    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
494    OMX_AUDIO_G723RATE eBitRate;  /**< todo: Should this be moved to a config? */
495    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
496    OMX_BOOL bPostFilter;         /**< Enable Post Filter */
497} OMX_AUDIO_PARAM_G723TYPE;
498
499
500/** ITU G726 (ADPCM) rate */
501typedef enum OMX_AUDIO_G726MODE {
502    OMX_AUDIO_G726ModeUnused = 0,  /**< G726 Mode unused / unknown */
503    OMX_AUDIO_G726Mode16,          /**< 16 kbps */
504    OMX_AUDIO_G726Mode24,          /**< 24 kbps */
505    OMX_AUDIO_G726Mode32,          /**< 32 kbps, most common rate, also G721 */
506    OMX_AUDIO_G726Mode40,          /**< 40 kbps */
507    OMX_AUDIO_G726ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
508    OMX_AUDIO_G726ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
509    OMX_AUDIO_G726ModeMax = 0x7FFFFFFF
510} OMX_AUDIO_G726MODE;
511
512
513/** G.726 stream format parameters - must be at 8KHz */
514typedef struct OMX_AUDIO_PARAM_G726TYPE {
515    OMX_U32 nSize;              /**< size of the structure in bytes */
516    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
517    OMX_U32 nPortIndex;         /**< port that this structure applies to */
518    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
519                                     necessarily the same as the number of channels
520                                     to be rendered. */
521     OMX_AUDIO_G726MODE eG726Mode;
522} OMX_AUDIO_PARAM_G726TYPE;
523
524
525/** G729 coder type */
526typedef enum OMX_AUDIO_G729TYPE {
527    OMX_AUDIO_G729 = 0,           /**< ITU G.729  encoded data */
528    OMX_AUDIO_G729A,              /**< ITU G.729 annex A  encoded data */
529    OMX_AUDIO_G729B,              /**< ITU G.729 with annex B encoded data */
530    OMX_AUDIO_G729AB,             /**< ITU G.729 annexes A and B encoded data */
531    OMX_AUDIO_G729KhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
532    OMX_AUDIO_G729VendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
533    OMX_AUDIO_G729Max = 0x7FFFFFFF
534} OMX_AUDIO_G729TYPE;
535
536
537/** G729 stream format parameters - fixed 6KHz sample rate */
538typedef struct OMX_AUDIO_PARAM_G729TYPE {
539    OMX_U32 nSize;            /**< size of the structure in bytes */
540    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
541    OMX_U32 nPortIndex;       /**< port that this structure applies to */
542    OMX_U32 nChannels;        /**< Number of channels in the data stream (not
543                                   necessarily the same as the number of channels
544                                   to be rendered. */
545    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
546    OMX_AUDIO_G729TYPE eBitType;
547} OMX_AUDIO_PARAM_G729TYPE;
548
549
550/** AMR Frame format */
551typedef enum OMX_AUDIO_AMRFRAMEFORMATTYPE {
552    OMX_AUDIO_AMRFrameFormatConformance = 0,  /**< Frame Format is AMR Conformance
553                                                   (Standard) Format */
554    OMX_AUDIO_AMRFrameFormatIF1,              /**< Frame Format is AMR Interface
555                                                   Format 1 */
556    OMX_AUDIO_AMRFrameFormatIF2,              /**< Frame Format is AMR Interface
557                                                   Format 2*/
558    OMX_AUDIO_AMRFrameFormatFSF,              /**< Frame Format is AMR File Storage
559                                                   Format */
560    OMX_AUDIO_AMRFrameFormatRTPPayload,       /**< Frame Format is AMR Real-Time
561                                                   Transport Protocol Payload Format */
562    OMX_AUDIO_AMRFrameFormatITU,              /**< Frame Format is ITU Format (added at Motorola request) */
563    OMX_AUDIO_AMRFrameFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
564    OMX_AUDIO_AMRFrameFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
565    OMX_AUDIO_AMRFrameFormatMax = 0x7FFFFFFF
566} OMX_AUDIO_AMRFRAMEFORMATTYPE;
567
568
569/** AMR band mode */
570typedef enum OMX_AUDIO_AMRBANDMODETYPE {
571    OMX_AUDIO_AMRBandModeUnused = 0,          /**< AMRNB Mode unused / unknown */
572    OMX_AUDIO_AMRBandModeNB0,                 /**< AMRNB Mode 0 =  4750 bps */
573    OMX_AUDIO_AMRBandModeNB1,                 /**< AMRNB Mode 1 =  5150 bps */
574    OMX_AUDIO_AMRBandModeNB2,                 /**< AMRNB Mode 2 =  5900 bps */
575    OMX_AUDIO_AMRBandModeNB3,                 /**< AMRNB Mode 3 =  6700 bps */
576    OMX_AUDIO_AMRBandModeNB4,                 /**< AMRNB Mode 4 =  7400 bps */
577    OMX_AUDIO_AMRBandModeNB5,                 /**< AMRNB Mode 5 =  7950 bps */
578    OMX_AUDIO_AMRBandModeNB6,                 /**< AMRNB Mode 6 = 10200 bps */
579    OMX_AUDIO_AMRBandModeNB7,                 /**< AMRNB Mode 7 = 12200 bps */
580    OMX_AUDIO_AMRBandModeWB0,                 /**< AMRWB Mode 0 =  6600 bps */
581    OMX_AUDIO_AMRBandModeWB1,                 /**< AMRWB Mode 1 =  8850 bps */
582    OMX_AUDIO_AMRBandModeWB2,                 /**< AMRWB Mode 2 = 12650 bps */
583    OMX_AUDIO_AMRBandModeWB3,                 /**< AMRWB Mode 3 = 14250 bps */
584    OMX_AUDIO_AMRBandModeWB4,                 /**< AMRWB Mode 4 = 15850 bps */
585    OMX_AUDIO_AMRBandModeWB5,                 /**< AMRWB Mode 5 = 18250 bps */
586    OMX_AUDIO_AMRBandModeWB6,                 /**< AMRWB Mode 6 = 19850 bps */
587    OMX_AUDIO_AMRBandModeWB7,                 /**< AMRWB Mode 7 = 23050 bps */
588    OMX_AUDIO_AMRBandModeWB8,                 /**< AMRWB Mode 8 = 23850 bps */
589    OMX_AUDIO_AMRBandModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
590    OMX_AUDIO_AMRBandModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
591    OMX_AUDIO_AMRBandModeMax = 0x7FFFFFFF
592} OMX_AUDIO_AMRBANDMODETYPE;
593
594
595/** AMR Discontinuous Transmission mode */
596typedef enum OMX_AUDIO_AMRDTXMODETYPE {
597    OMX_AUDIO_AMRDTXModeOff = 0,        /**< AMR Discontinuous Transmission Mode is disabled */
598    OMX_AUDIO_AMRDTXModeOnVAD1,         /**< AMR Discontinuous Transmission Mode using
599                                             Voice Activity Detector 1 (VAD1) is enabled */
600    OMX_AUDIO_AMRDTXModeOnVAD2,         /**< AMR Discontinuous Transmission Mode using
601                                             Voice Activity Detector 2 (VAD2) is enabled */
602    OMX_AUDIO_AMRDTXModeOnAuto,         /**< The codec will automatically select between
603                                             Off, VAD1 or VAD2 modes */
604
605    OMX_AUDIO_AMRDTXasEFR,             /**< DTX as EFR instead of AMR standard (3GPP 26.101, frame type =8,9,10) */
606
607    OMX_AUDIO_AMRDTXModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
608    OMX_AUDIO_AMRDTXModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
609    OMX_AUDIO_AMRDTXModeMax = 0x7FFFFFFF
610} OMX_AUDIO_AMRDTXMODETYPE;
611
612
613/** AMR params */
614typedef struct OMX_AUDIO_PARAM_AMRTYPE {
615    OMX_U32 nSize;                          /**< size of the structure in bytes */
616    OMX_VERSIONTYPE nVersion;               /**< OMX specification version information */
617    OMX_U32 nPortIndex;                     /**< port that this structure applies to */
618    OMX_U32 nChannels;                      /**< Number of channels */
619    OMX_U32 nBitRate;                       /**< Bit rate read only field */
620    OMX_AUDIO_AMRBANDMODETYPE eAMRBandMode; /**< AMR Band Mode enumeration */
621    OMX_AUDIO_AMRDTXMODETYPE  eAMRDTXMode;  /**< AMR DTX Mode enumeration */
622    OMX_AUDIO_AMRFRAMEFORMATTYPE eAMRFrameFormat; /**< AMR frame format enumeration */
623} OMX_AUDIO_PARAM_AMRTYPE;
624
625
626/** GSM_FR (ETSI 06.10, 3GPP 46.010) stream format parameters */
627typedef struct OMX_AUDIO_PARAM_GSMFRTYPE {
628    OMX_U32 nSize;            /**< size of the structure in bytes */
629    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
630    OMX_U32 nPortIndex;       /**< port that this structure applies to */
631    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
632    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
633} OMX_AUDIO_PARAM_GSMFRTYPE;
634
635
636/** GSM-HR (ETSI 06.20, 3GPP 46.020) stream format parameters */
637typedef struct OMX_AUDIO_PARAM_GSMHRTYPE {
638    OMX_U32 nSize;            /**< size of the structure in bytes */
639    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
640    OMX_U32 nPortIndex;       /**< port that this structure applies to */
641    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
642    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
643} OMX_AUDIO_PARAM_GSMHRTYPE;
644
645
646/** GSM-EFR (ETSI 06.60, 3GPP 46.060) stream format parameters */
647typedef struct OMX_AUDIO_PARAM_GSMEFRTYPE {
648    OMX_U32 nSize;            /**< size of the structure in bytes */
649    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
650    OMX_U32 nPortIndex;       /**< port that this structure applies to */
651    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
652    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
653} OMX_AUDIO_PARAM_GSMEFRTYPE;
654
655
656/** TDMA FR (TIA/EIA-136-420, VSELP 7.95kbps coder) stream format parameters */
657typedef struct OMX_AUDIO_PARAM_TDMAFRTYPE {
658    OMX_U32 nSize;                /**< size of the structure in bytes */
659    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
660    OMX_U32 nPortIndex;           /**< port that this structure applies to */
661    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
662                                       necessarily the same as the number of channels
663                                       to be rendered. */
664    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
665    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
666} OMX_AUDIO_PARAM_TDMAFRTYPE;
667
668
669/** TDMA EFR (TIA/EIA-136-410, ACELP 7.4kbps coder) stream format parameters */
670typedef struct OMX_AUDIO_PARAM_TDMAEFRTYPE {
671    OMX_U32 nSize;                /**< size of the structure in bytes */
672    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
673    OMX_U32 nPortIndex;           /**< port that this structure applies to */
674    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
675                                       necessarily the same as the number of channels
676                                       to be rendered. */
677    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
678    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
679} OMX_AUDIO_PARAM_TDMAEFRTYPE;
680
681
682/** PDC FR ( RCR-27, VSELP 6.7kbps coder) stream format parameters */
683typedef struct OMX_AUDIO_PARAM_PDCFRTYPE {
684    OMX_U32 nSize;                /**< size of the structure in bytes */
685    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
686    OMX_U32 nPortIndex;           /**< port that this structure applies to */
687    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
688                                       necessarily the same as the number of channels
689                                       to be rendered. */
690    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
691    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
692} OMX_AUDIO_PARAM_PDCFRTYPE;
693
694
695/** PDC EFR ( RCR-27, ACELP 6.7kbps coder) stream format parameters */
696typedef struct OMX_AUDIO_PARAM_PDCEFRTYPE {
697    OMX_U32 nSize;                /**< size of the structure in bytes */
698    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
699    OMX_U32 nPortIndex;           /**< port that this structure applies to */
700    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
701                                       necessarily the same as the number of channels
702                                       to be rendered. */
703    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
704    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
705} OMX_AUDIO_PARAM_PDCEFRTYPE;
706
707/** PDC HR ( RCR-27, PSI-CELP 3.45kbps coder) stream format parameters */
708typedef struct OMX_AUDIO_PARAM_PDCHRTYPE {
709    OMX_U32 nSize;                /**< size of the structure in bytes */
710    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
711    OMX_U32 nPortIndex;           /**< port that this structure applies to */
712    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
713                                       necessarily the same as the number of channels
714                                       to be rendered. */
715    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
716    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
717} OMX_AUDIO_PARAM_PDCHRTYPE;
718
719
720/** CDMA Rate types */
721typedef enum OMX_AUDIO_CDMARATETYPE {
722    OMX_AUDIO_CDMARateBlank = 0,          /**< CDMA encoded frame is blank */
723    OMX_AUDIO_CDMARateFull,               /**< CDMA encoded frame in full rate */
724    OMX_AUDIO_CDMARateHalf,               /**< CDMA encoded frame in half rate */
725    OMX_AUDIO_CDMARateQuarter,            /**< CDMA encoded frame in quarter rate */
726    OMX_AUDIO_CDMARateEighth,             /**< CDMA encoded frame in eighth rate (DTX)*/
727    OMX_AUDIO_CDMARateErasure,            /**< CDMA erasure frame */
728    OMX_AUDIO_CDMARateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
729    OMX_AUDIO_CDMARateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
730    OMX_AUDIO_CDMARateMax = 0x7FFFFFFF
731} OMX_AUDIO_CDMARATETYPE;
732
733
734/** QCELP8 (TIA/EIA-96, up to 8kbps coder) stream format parameters */
735typedef struct OMX_AUDIO_PARAM_QCELP8TYPE {
736    OMX_U32 nSize;                /**< size of the structure in bytes */
737    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
738    OMX_U32 nPortIndex;           /**< port that this structure applies to */
739    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
740                                       necessarily the same as the number of channels
741                                       to be rendered. */
742    OMX_U32 nBitRate;             /**< Bit rate of the input data.  Use 0 for variable
743                                       rate or unknown bit rates */
744    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
745    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
746    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
747} OMX_AUDIO_PARAM_QCELP8TYPE;
748
749
750/** QCELP13 ( CDMA, EIA/TIA-733, 13.3kbps coder) stream format parameters */
751typedef struct OMX_AUDIO_PARAM_QCELP13TYPE {
752    OMX_U32 nSize;                /**< size of the structure in bytes */
753    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
754    OMX_U32 nPortIndex;           /**< port that this structure applies to */
755    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
756                                       necessarily the same as the number of channels
757                                       to be rendered. */
758    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
759    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
760    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
761} OMX_AUDIO_PARAM_QCELP13TYPE;
762
763
764/** EVRC ( CDMA, EIA/TIA-127, RCELP up to 8.55kbps coder) stream format parameters */
765typedef struct OMX_AUDIO_PARAM_EVRCTYPE {
766    OMX_U32 nSize;                /**< size of the structure in bytes */
767    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
768    OMX_U32 nPortIndex;           /**< port that this structure applies to */
769    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
770                                       necessarily the same as the number of channels
771                                       to be rendered. */
772    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< actual Frame rate */
773    OMX_BOOL bRATE_REDUCon;       /**< RATE_REDUCtion is requested for this frame */
774    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
775    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
776    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter */
777    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
778    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter */
779} OMX_AUDIO_PARAM_EVRCTYPE;
780
781
782/** SMV ( up to 8.55kbps coder) stream format parameters */
783typedef struct OMX_AUDIO_PARAM_SMVTYPE {
784    OMX_U32 nSize;                /**< size of the structure in bytes */
785    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
786    OMX_U32 nPortIndex;           /**< port that this structure applies to */
787    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
788                                       necessarily the same as the number of channels
789                                       to be rendered. */
790    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
791    OMX_BOOL bRATE_REDUCon;           /**< RATE_REDUCtion is requested for this frame */
792    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 ??*/
793    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 ??*/
794    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter ??*/
795    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
796    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter ??*/
797} OMX_AUDIO_PARAM_SMVTYPE;
798
799
800/** MIDI Format
801 * @ingroup midi
802 */
803typedef enum OMX_AUDIO_MIDIFORMATTYPE
804{
805    OMX_AUDIO_MIDIFormatUnknown = 0, /**< MIDI Format unknown or don't care */
806    OMX_AUDIO_MIDIFormatSMF0,        /**< Standard MIDI File Type 0 */
807    OMX_AUDIO_MIDIFormatSMF1,        /**< Standard MIDI File Type 1 */
808    OMX_AUDIO_MIDIFormatSMF2,        /**< Standard MIDI File Type 2 */
809    OMX_AUDIO_MIDIFormatSPMIDI,      /**< SP-MIDI */
810    OMX_AUDIO_MIDIFormatXMF0,        /**< eXtensible Music Format type 0 */
811    OMX_AUDIO_MIDIFormatXMF1,        /**< eXtensible Music Format type 1 */
812    OMX_AUDIO_MIDIFormatMobileXMF,   /**< Mobile XMF (eXtensible Music Format type 2) */
813    OMX_AUDIO_MIDIFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
814    OMX_AUDIO_MIDIFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
815    OMX_AUDIO_MIDIFormatMax = 0x7FFFFFFF
816} OMX_AUDIO_MIDIFORMATTYPE;
817
818
819/** MIDI params
820 * @ingroup midi
821 */
822typedef struct OMX_AUDIO_PARAM_MIDITYPE {
823    OMX_U32 nSize;                 /**< size of the structure in bytes */
824    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
825    OMX_U32 nPortIndex;            /**< port that this structure applies to */
826    OMX_U32 nFileSize;             /**< size of the MIDI file in bytes, where the entire
827                                        MIDI file passed in, otherwise if 0x0, the MIDI data
828                                        is merged and streamed (instead of passed as an
829                                        entire MIDI file) */
830    OMX_BU32 sMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
831                                        voices. A value of zero indicates that the default
832                                        polyphony of the device is used  */
833    OMX_BOOL bLoadDefaultSound;    /**< Whether to load default sound
834                                        bank at initialization */
835    OMX_AUDIO_MIDIFORMATTYPE eMidiFormat; /**< Version of the MIDI file */
836} OMX_AUDIO_PARAM_MIDITYPE;
837
838
839/** Type of the MIDI sound bank
840 * @ingroup midi
841 */
842typedef enum OMX_AUDIO_MIDISOUNDBANKTYPE {
843    OMX_AUDIO_MIDISoundBankUnused = 0,           /**< unused/unknown soundbank type */
844    OMX_AUDIO_MIDISoundBankDLS1,                 /**< DLS version 1 */
845    OMX_AUDIO_MIDISoundBankDLS2,                 /**< DLS version 2 */
846    OMX_AUDIO_MIDISoundBankMobileDLSBase,        /**< Mobile DLS, using the base functionality */
847    OMX_AUDIO_MIDISoundBankMobileDLSPlusOptions, /**< Mobile DLS, using the specification-defined optional feature set */
848    OMX_AUDIO_MIDISoundBankKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
849    OMX_AUDIO_MIDISoundBankVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
850    OMX_AUDIO_MIDISoundBankMax = 0x7FFFFFFF
851} OMX_AUDIO_MIDISOUNDBANKTYPE;
852
853
854/** Bank Layout describes how bank MSB & LSB are used in the DLS instrument definitions sound bank
855 * @ingroup midi
856 */
857typedef enum OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE {
858   OMX_AUDIO_MIDISoundBankLayoutUnused = 0,   /**< unused/unknown soundbank type */
859   OMX_AUDIO_MIDISoundBankLayoutGM,           /**< GS layout (based on bank MSB 0x00) */
860   OMX_AUDIO_MIDISoundBankLayoutGM2,          /**< General MIDI 2 layout (using MSB 0x78/0x79, LSB 0x00) */
861   OMX_AUDIO_MIDISoundBankLayoutUser,         /**< Does not conform to any bank numbering standards */
862   OMX_AUDIO_MIDISoundBankLayoutKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
863   OMX_AUDIO_MIDISoundBankLayoutVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
864   OMX_AUDIO_MIDISoundBankLayoutMax = 0x7FFFFFFF
865} OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE;
866
867
868/** MIDI params to load/unload user soundbank
869 * @ingroup midi
870 */
871typedef struct OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE {
872    OMX_U32 nSize;            /**< size of the structure in bytes */
873    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
874    OMX_U32 nPortIndex;       /**< port that this structure applies to */
875    OMX_U32 nDLSIndex;        /**< DLS file index to be loaded */
876    OMX_U32 nDLSSize;         /**< Size in bytes */
877    OMX_PTR pDLSData;         /**< Pointer to DLS file data */
878    OMX_AUDIO_MIDISOUNDBANKTYPE eMidiSoundBank;   /**< Midi sound bank type enumeration */
879    OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE eMidiSoundBankLayout; /**< Midi sound bank layout enumeration */
880} OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE;
881
882
883/** Structure for Live MIDI events and MIP messages.
884 * (MIP = Maximum Instantaneous Polyphony; part of the SP-MIDI standard.)
885 * @ingroup midi
886 */
887typedef struct OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE {
888    OMX_U32 nSize;            /**< size of the structure in bytes */
889    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
890    OMX_U32 nPortIndex;       /**< Port that this structure applies to */
891    OMX_U32 nMidiEventSize;   /**< Size of immediate MIDI events or MIP message in bytes  */
892    OMX_U8 nMidiEvents[1];    /**< MIDI event array to be rendered immediately, or an
893                                   array for the MIP message buffer, where the size is
894                                   indicated by nMidiEventSize */
895} OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE;
896
897
898/** MIDI sound bank/ program pair in a given channel
899 * @ingroup midi
900 */
901typedef struct OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE {
902    OMX_U32 nSize;              /**< size of the structure in bytes */
903    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
904    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
905    OMX_U32 nChannel;           /**< Valid channel values range from 1 to 16 */
906    OMX_U16 nIDProgram;         /**< Valid program ID range is 1 to 128 */
907    OMX_U16 nIDSoundBank;       /**< Sound bank ID */
908    OMX_U32 nUserSoundBankIndex;/**< User soundbank index, easier to access soundbanks
909                                     by index if multiple banks are present */
910} OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE;
911
912
913/** MIDI control
914 * @ingroup midi
915 */
916typedef struct OMX_AUDIO_CONFIG_MIDICONTROLTYPE {
917    OMX_U32 nSize;                /**< size of the structure in bytes */
918    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
919    OMX_U32 nPortIndex;           /**< port that this structure applies to */
920    OMX_BS32 sPitchTransposition; /**< Pitch transposition in semitones, stored as Q22.10
921                                       format based on JAVA MMAPI (JSR-135) requirement */
922    OMX_BU32 sPlayBackRate;       /**< Relative playback rate, stored as Q14.17 fixed-point
923                                       number based on JSR-135 requirement */
924    OMX_BU32 sTempo ;             /**< Tempo in beats per minute (BPM), stored as Q22.10
925                                       fixed-point number based on JSR-135 requirement */
926    OMX_U32 nMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
927                                       voices. A value of zero indicates that the default
928                                       polyphony of the device is used  */
929    OMX_U32 nNumRepeat;           /**< Number of times to repeat playback */
930    OMX_U32 nStopTime;            /**< Time in milliseconds to indicate when playback
931                                       will stop automatically.  Set to zero if not used */
932    OMX_U16 nChannelMuteMask;     /**< 16 bit mask for channel mute status */
933    OMX_U16 nChannelSoloMask;     /**< 16 bit mask for channel solo status */
934    OMX_U32 nTrack0031MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 0-31 */
935    OMX_U32 nTrack3263MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 32-63 */
936    OMX_U32 nTrack0031SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 0-31 */
937    OMX_U32 nTrack3263SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 32-63 */
938
939} OMX_AUDIO_CONFIG_MIDICONTROLTYPE;
940
941
942/** MIDI Playback States
943 * @ingroup midi
944 */
945typedef enum OMX_AUDIO_MIDIPLAYBACKSTATETYPE {
946  OMX_AUDIO_MIDIPlayBackStateUnknown = 0,      /**< Unknown state or state does not map to
947  													other defined states */
948  OMX_AUDIO_MIDIPlayBackStateClosedEngaged,    /**< No MIDI resource is currently open.
949                                                    The MIDI engine is currently processing
950                                                    MIDI events. */
951  OMX_AUDIO_MIDIPlayBackStateParsing,          /**< A MIDI resource is open and is being
952                                                    primed. The MIDI engine is currently
953                                                    processing MIDI events. */
954  OMX_AUDIO_MIDIPlayBackStateOpenEngaged,      /**< A MIDI resource is open and primed but
955                                                    not playing. The MIDI engine is currently
956                                                    processing MIDI events. The transition to
957                                                    this state is only possible from the
958                                                    OMX_AUDIO_MIDIPlayBackStatePlaying state,
959                                                    when the 'playback head' reaches the end
960                                                    of media data or the playback stops due
961                                                    to stop time set.*/
962  OMX_AUDIO_MIDIPlayBackStatePlaying,          /**< A MIDI resource is open and currently
963                                                    playing. The MIDI engine is currently
964                                                    processing MIDI events.*/
965  OMX_AUDIO_MIDIPlayBackStatePlayingPartially, /**< Best-effort playback due to SP-MIDI/DLS
966                                                    resource constraints */
967  OMX_AUDIO_MIDIPlayBackStatePlayingSilently,  /**< Due to system resource constraints and
968                                                    SP-MIDI content constraints, there is
969                                                    no audible MIDI content during playback
970                                                    currently. The situation may change if
971                                                    resources are freed later.*/
972  OMX_AUDIO_MIDIPlayBackStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
973  OMX_AUDIO_MIDIPlayBackStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
974  OMX_AUDIO_MIDIPlayBackStateMax = 0x7FFFFFFF
975} OMX_AUDIO_MIDIPLAYBACKSTATETYPE;
976
977
978/** MIDI status
979 * @ingroup midi
980 */
981typedef struct OMX_AUDIO_CONFIG_MIDISTATUSTYPE {
982    OMX_U32 nSize;              /**< size of the structure in bytes */
983    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
984    OMX_U32 nPortIndex;         /**< port that this structure applies to */
985    OMX_U16 nNumTracks;         /**< Number of MIDI tracks in the file, read only field.
986                                     NOTE: May not return a meaningful value until the entire
987                                     file is parsed and buffered.  */
988    OMX_U32 nDuration;          /**< The length of the currently open MIDI resource
989                                     in milliseconds. NOTE: May not return a meaningful value
990                                     until the entire file is parsed and buffered.  */
991    OMX_U32 nPosition;          /**< Current Position of the MIDI resource being played
992                                     in milliseconds */
993    OMX_BOOL bVibra;            /**< Does Vibra track exist? NOTE: May not return a meaningful
994                                     value until the entire file is parsed and buffered. */
995    OMX_U32 nNumMetaEvents;     /**< Total number of MIDI Meta Events in the currently
996                                     open MIDI resource. NOTE: May not return a meaningful value
997                                     until the entire file is parsed and buffered.  */
998    OMX_U32 nNumActiveVoices;   /**< Number of active voices in the currently playing
999                                     MIDI resource. NOTE: May not return a meaningful value until
1000                                     the entire file is parsed and buffered. */
1001    OMX_AUDIO_MIDIPLAYBACKSTATETYPE eMIDIPlayBackState;  /**< MIDI playback state enumeration, read only field */
1002} OMX_AUDIO_CONFIG_MIDISTATUSTYPE;
1003
1004
1005/** MIDI Meta Event structure one per Meta Event.
1006 *  MIDI Meta Events are like audio metadata, except that they are interspersed
1007 *  with the MIDI content throughout the file and are not localized in the header.
1008 *  As such, it is necessary to retrieve information about these Meta Events from
1009 *  the engine, as it encounters these Meta Events within the MIDI content.
1010 *  For example, SMF files can have up to 14 types of MIDI Meta Events (copyright,
1011 *  author, default tempo, etc.) scattered throughout the file.
1012 *  @ingroup midi
1013 */
1014typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE{
1015    OMX_U32 nSize;            /**< size of the structure in bytes */
1016    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
1017    OMX_U32 nPortIndex;       /**< port that this structure applies to */
1018    OMX_U32 nIndex;           /**< Index of Meta Event */
1019    OMX_U8 nMetaEventType;    /**< Meta Event Type, 7bits (i.e. 0 - 127) */
1020    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
1021    OMX_U32 nTrack;           /**< track number for the meta event */
1022    OMX_U32 nPosition;        /**< Position of the meta-event in milliseconds */
1023} OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE;
1024
1025
1026/** MIDI Meta Event Data structure - one per Meta Event.
1027 * @ingroup midi
1028 */
1029typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTDATATYPE{
1030    OMX_U32 nSize;            /**< size of the structure in bytes */
1031    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
1032    OMX_U32 nPortIndex;       /**< port that this structure applies to */
1033    OMX_U32 nIndex;           /**< Index of Meta Event */
1034    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
1035    OMX_U8 nData[1];          /**< array of one or more bytes of meta data
1036                                   as indicated by the nMetaEventSize field */
1037} OMX_AUDIO_CONFIG__MIDIMETAEVENTDATATYPE;
1038
1039
1040/** Audio Volume adjustment for a port */
1041typedef struct OMX_AUDIO_CONFIG_VOLUMETYPE {
1042    OMX_U32 nSize;              /**< size of the structure in bytes */
1043    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1044    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1045                                     set.  Select the input port to set
1046                                     just that port's volume.  Select the
1047                                     output port to adjust the master
1048                                     volume. */
1049    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100)
1050                                     or logarithmic scale (mB) */
1051    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
1052                                     Volume logarithmic setting for this port.  The values
1053                                     for volume are in mB (millibels = 1/100 dB) relative
1054                                     to a gain of 1 (e.g. the output is the same as the
1055                                     input level).  Values are in mB from nMax
1056                                     (maximum volume) to nMin mB (typically negative).
1057                                     Since the volume is "voltage"
1058                                     and not a "power", it takes a setting of
1059                                     -600 mB to decrease the volume by 1/2.  If
1060                                     a component cannot accurately set the
1061                                     volume to the requested value, it must
1062                                     set the volume to the closest value BELOW
1063                                     the requested value.  When getting the
1064                                     volume setting, the current actual volume
1065                                     must be returned. */
1066} OMX_AUDIO_CONFIG_VOLUMETYPE;
1067
1068
1069/** Audio Volume adjustment for a channel */
1070typedef struct OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE {
1071    OMX_U32 nSize;              /**< size of the structure in bytes */
1072    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1073    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1074                                     set.  Select the input port to set
1075                                     just that port's volume.  Select the
1076                                     output port to adjust the master
1077                                     volume. */
1078    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
1079                                     using OMX_ALL to apply volume settings
1080                                     to all channels */
1081    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100) or
1082                                     logarithmic scale (mB) */
1083    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
1084                                     Volume logarithmic setting for this port.
1085                                     The values for volume are in mB
1086                                     (millibels = 1/100 dB) relative to a gain
1087                                     of 1 (e.g. the output is the same as the
1088                                     input level).  Values are in mB from nMax
1089                                     (maximum volume) to nMin mB (typically negative).
1090                                     Since the volume is "voltage"
1091                                     and not a "power", it takes a setting of
1092                                     -600 mB to decrease the volume by 1/2.  If
1093                                     a component cannot accurately set the
1094                                     volume to the requested value, it must
1095                                     set the volume to the closest value BELOW
1096                                     the requested value.  When getting the
1097                                     volume setting, the current actual volume
1098                                     must be returned. */
1099    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
1100                                     FALSE otherwise */
1101} OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE;
1102
1103
1104/** Audio balance setting */
1105typedef struct OMX_AUDIO_CONFIG_BALANCETYPE {
1106    OMX_U32 nSize;              /**< size of the structure in bytes */
1107    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1108    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1109                                     set.  Select the input port to set
1110                                     just that port's balance.  Select the
1111                                     output port to adjust the master
1112                                     balance. */
1113    OMX_S32 nBalance;           /**< balance setting for this port
1114                                     (-100 to 100, where -100 indicates
1115                                     all left, and no right */
1116} OMX_AUDIO_CONFIG_BALANCETYPE;
1117
1118
1119/** Audio Port mute */
1120typedef struct OMX_AUDIO_CONFIG_MUTETYPE {
1121    OMX_U32 nSize;              /**< size of the structure in bytes */
1122    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1123    OMX_U32 nPortIndex;         /**< Port index indicating which port to
1124                                     set.  Select the input port to set
1125                                     just that port's mute.  Select the
1126                                     output port to adjust the master
1127                                     mute. */
1128    OMX_BOOL bMute;             /**< Mute setting for this port */
1129} OMX_AUDIO_CONFIG_MUTETYPE;
1130
1131
1132/** Audio Channel mute */
1133typedef struct OMX_AUDIO_CONFIG_CHANNELMUTETYPE {
1134    OMX_U32 nSize;              /**< size of the structure in bytes */
1135    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
1136    OMX_U32 nPortIndex;         /**< port that this structure applies to */
1137    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
1138                                     using OMX_ALL to apply mute settings
1139                                     to all channels */
1140    OMX_BOOL bMute;             /**< Mute setting for this channel */
1141    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
1142                                     FALSE otherwise */
1143} OMX_AUDIO_CONFIG_CHANNELMUTETYPE;
1144
1145
1146
1147/** Enable / Disable for loudness control, which boosts bass and to a
1148 *  smaller extent high end frequencies to compensate for hearing
1149 *  ability at the extreme ends of the audio spectrum
1150 */
1151typedef struct OMX_AUDIO_CONFIG_LOUDNESSTYPE {
1152    OMX_U32 nSize;             /**< size of the structure in bytes */
1153    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1154    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1155    OMX_BOOL bLoudness;        /**< Enable/disable for loudness */
1156} OMX_AUDIO_CONFIG_LOUDNESSTYPE;
1157
1158
1159/** Enable / Disable for bass, which controls low frequencies
1160 */
1161typedef struct OMX_AUDIO_CONFIG_BASSTYPE {
1162    OMX_U32 nSize;             /**< size of the structure in bytes */
1163    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1164    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1165    OMX_BOOL bEnable;          /**< Enable/disable for bass control */
1166    OMX_S32 nBass;             /**< bass setting for the port, as a
1167                                    continuous value from -100 to 100
1168                                    (0 means no change in bass level)*/
1169} OMX_AUDIO_CONFIG_BASSTYPE;
1170
1171
1172/** Enable / Disable for treble, which controls high frequencies tones
1173 */
1174typedef struct OMX_AUDIO_CONFIG_TREBLETYPE {
1175    OMX_U32 nSize;             /**< size of the structure in bytes */
1176    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1177    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1178    OMX_BOOL bEnable;          /**< Enable/disable for treble control */
1179    OMX_S32  nTreble;          /**< treble setting for the port, as a
1180                                    continuous value from -100 to 100
1181                                    (0 means no change in treble level) */
1182} OMX_AUDIO_CONFIG_TREBLETYPE;
1183
1184
1185/** An equalizer is typically used for two reasons: to compensate for an
1186 *  sub-optimal frequency response of a system to make it sound more natural
1187 *  or to create intentionally some unnatural coloring to the sound to create
1188 *  an effect.
1189 *  @ingroup effects
1190 */
1191typedef struct OMX_AUDIO_CONFIG_EQUALIZERTYPE {
1192    OMX_U32 nSize;             /**< size of the structure in bytes */
1193    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1194    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1195    OMX_BOOL bEnable;          /**< Enable/disable for equalizer */
1196    OMX_BU32 sBandIndex;       /**< Band number to be set.  Upper Limit is
1197                                    N-1, where N is the number of bands, lower limit is 0 */
1198    OMX_BU32 sCenterFreq;      /**< Center frequecies in Hz.  This is a
1199                                    read only element and is used to determine
1200                                    the lower, center and upper frequency of
1201                                    this band.  */
1202    OMX_BS32 sBandLevel;       /**< band level in millibels */
1203} OMX_AUDIO_CONFIG_EQUALIZERTYPE;
1204
1205
1206/** Stereo widening mode type
1207 * @ingroup effects
1208 */
1209typedef enum OMX_AUDIO_STEREOWIDENINGTYPE {
1210    OMX_AUDIO_StereoWideningHeadphones,    /**< Stereo widening for loudspeakers */
1211    OMX_AUDIO_StereoWideningLoudspeakers,  /**< Stereo widening for closely spaced loudspeakers */
1212    OMX_AUDIO_StereoWideningKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
1213    OMX_AUDIO_StereoWideningVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
1214    OMX_AUDIO_StereoWideningMax = 0x7FFFFFFF
1215} OMX_AUDIO_STEREOWIDENINGTYPE;
1216
1217
1218/** Control for stereo widening, which is a special 2-channel
1219 *  case of the audio virtualizer effect. For example, for 5.1-channel
1220 *  output, it translates to virtual surround sound.
1221 * @ingroup effects
1222 */
1223typedef struct OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE {
1224    OMX_U32 nSize;             /**< size of the structure in bytes */
1225    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1226    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1227    OMX_BOOL bEnable;          /**< Enable/disable for stereo widening control */
1228    OMX_AUDIO_STEREOWIDENINGTYPE eWideningType; /**< Stereo widening algorithm type */
1229    OMX_U32  nStereoWidening;  /**< stereo widening setting for the port,
1230                                    as a continuous value from 0 to 100  */
1231} OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE;
1232
1233
1234/** The chorus effect (or ``choralizer'') is any signal processor which makes
1235 *  one sound source (such as a voice) sound like many such sources singing
1236 *  (or playing) in unison. Since performance in unison is never exact, chorus
1237 *  effects simulate this by making independently modified copies of the input
1238 *  signal. Modifications may include (1) delay, (2) frequency shift, and
1239 *  (3) amplitude modulation.
1240 * @ingroup effects
1241 */
1242typedef struct OMX_AUDIO_CONFIG_CHORUSTYPE {
1243    OMX_U32 nSize;             /**< size of the structure in bytes */
1244    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1245    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1246    OMX_BOOL bEnable;          /**< Enable/disable for chorus */
1247    OMX_BU32 sDelay;           /**< average delay in milliseconds */
1248    OMX_BU32 sModulationRate;  /**< rate of modulation in millihertz */
1249    OMX_U32 nModulationDepth;  /**< depth of modulation as a percentage of
1250                                    delay (i.e. 0 to 100) */
1251    OMX_BU32 nFeedback;        /**< Feedback from chorus output to input in percentage */
1252} OMX_AUDIO_CONFIG_CHORUSTYPE;
1253
1254
1255/** Reverberation is part of the reflected sound that follows the early
1256 *  reflections. In a typical room, this consists of a dense succession of
1257 *  echoes whose energy decays exponentially. The reverberation effect structure
1258 *  as defined here includes both (early) reflections as well as (late) reverberations.
1259 * @ingroup effects
1260 */
1261typedef struct OMX_AUDIO_CONFIG_REVERBERATIONTYPE {
1262    OMX_U32 nSize;                /**< size of the structure in bytes */
1263    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
1264    OMX_U32 nPortIndex;           /**< port that this structure applies to */
1265    OMX_BOOL bEnable;             /**< Enable/disable for reverberation control */
1266    OMX_BS32 sRoomLevel;          /**< Intensity level for the whole room effect
1267                                       (i.e. both early reflections and late
1268                                       reverberation) in millibels */
1269    OMX_BS32 sRoomHighFreqLevel;  /**< Attenuation at high frequencies
1270                                       relative to the intensity at low
1271                                       frequencies in millibels */
1272    OMX_BS32 sReflectionsLevel;   /**< Intensity level of early reflections
1273                                       (relative to room value), in millibels */
1274    OMX_BU32 sReflectionsDelay;   /**< Delay time of the first reflection relative
1275                                       to the direct path, in milliseconds */
1276    OMX_BS32 sReverbLevel;        /**< Intensity level of late reverberation
1277                                       relative to room level, in millibels */
1278    OMX_BU32 sReverbDelay;        /**< Time delay from the first early reflection
1279                                       to the beginning of the late reverberation
1280                                       section, in milliseconds */
1281    OMX_BU32 sDecayTime;          /**< Late reverberation decay time at low
1282                                       frequencies, in milliseconds */
1283    OMX_BU32 nDecayHighFreqRatio; /**< Ratio of high frequency decay time relative
1284                                       to low frequency decay time in percent  */
1285    OMX_U32 nDensity;             /**< Modal density in the late reverberation decay,
1286                                       in percent (i.e. 0 - 100) */
1287    OMX_U32 nDiffusion;           /**< Echo density in the late reverberation decay,
1288                                       in percent (i.e. 0 - 100) */
1289    OMX_BU32 sReferenceHighFreq;  /**< Reference high frequency in Hertz. This is
1290                                       the frequency used as the reference for all
1291                                       the high-frequency settings above */
1292
1293} OMX_AUDIO_CONFIG_REVERBERATIONTYPE;
1294
1295
1296/** Possible settings for the Echo Cancelation structure to use
1297 * @ingroup effects
1298 */
1299typedef enum OMX_AUDIO_ECHOCANTYPE {
1300   OMX_AUDIO_EchoCanOff = 0,    /**< Echo Cancellation is disabled */
1301   OMX_AUDIO_EchoCanNormal,     /**< Echo Cancellation normal operation -
1302                                     echo from plastics and face */
1303   OMX_AUDIO_EchoCanHFree,      /**< Echo Cancellation optimized for
1304                                     Hands Free operation */
1305   OMX_AUDIO_EchoCanCarKit,    /**< Echo Cancellation optimized for
1306                                     Car Kit (longer echo) */
1307   OMX_AUDIO_EchoCanKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
1308   OMX_AUDIO_EchoCanVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
1309   OMX_AUDIO_EchoCanMax = 0x7FFFFFFF
1310} OMX_AUDIO_ECHOCANTYPE;
1311
1312
1313/** Enable / Disable for echo cancelation, which removes undesired echo's
1314 *  from the audio
1315 * @ingroup effects
1316 */
1317typedef struct OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE {
1318    OMX_U32 nSize;             /**< size of the structure in bytes */
1319    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1320    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1321    OMX_AUDIO_ECHOCANTYPE eEchoCancelation; /**< Echo cancelation settings */
1322} OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE;
1323
1324
1325/** Enable / Disable for noise reduction, which undesired noise from
1326 * the audio
1327 * @ingroup effects
1328 */
1329typedef struct OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE {
1330    OMX_U32 nSize;             /**< size of the structure in bytes */
1331    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
1332    OMX_U32 nPortIndex;        /**< port that this structure applies to */
1333    OMX_BOOL bNoiseReduction;  /**< Enable/disable for noise reduction */
1334} OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE;
1335
1336/** @} */
1337
1338#ifdef __cplusplus
1339}
1340#endif /* __cplusplus */
1341
1342#endif
1343/* File EOF */
1344