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OMX_Audio.h (76621B)


      1 /*
      2 * Copyright (c) 2008 The Khronos Group Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining
      5 * a copy of this software and associated documentation files (the
      6 * "Software"), to deal in the Software without restriction, including
      7 * without limitation the rights to use, copy, modify, merge, publish,
      8 * distribute, sublicense, and/or sell copies of the Software, and to
      9 * permit persons to whom the Software is furnished to do so, subject
     10 * to the following conditions:
     11 * The above copyright notice and this permission notice shall be included
     12 * in all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     17 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
     18 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     19 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     20 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 */
     23 
     24 /** @file OMX_Audio.h - OpenMax IL version 1.1.2
     25 *  The structures needed by Audio components to exchange
     26 *  parameters and configuration data with the componenmilts.
     27 */
     28 
     29 #ifndef OMX_Audio_h
     30 #define OMX_Audio_h
     31 
     32 #ifdef __cplusplus
     33 extern "C" {
     34 #endif /* __cplusplus */
     35 
     36 
     37 /* Each OMX header must include all required header files to allow the
     38 *  header to compile without errors.  The includes below are required
     39 *  for this header file to compile successfully
     40 */
     41 
     42 #include <OMX_Core.h>
     43 
     44 /** @defgroup midi MIDI
     45 * @ingroup audio
     46 */
     47 
     48 /** @defgroup effects Audio effects
     49 * @ingroup audio
     50 */
     51 
     52 /** @defgroup audio OpenMAX IL Audio Domain
     53 * Structures for OpenMAX IL Audio domain
     54 * @{
     55 */
     56 
     57 /** Enumeration used to define the possible audio codings.
     58 *  If "OMX_AUDIO_CodingUnused" is selected, the coding selection must
     59 *  be done in a vendor specific way.  Since this is for an audio
     60 *  processing element this enum is relevant.  However, for another
     61 *  type of component other enums would be in this area.
     62 */
     63 typedef enum OMX_AUDIO_CODINGTYPE {
     64    OMX_AUDIO_CodingUnused = 0,  /**< Placeholder value when coding is N/A  */
     65    OMX_AUDIO_CodingAutoDetect,  /**< auto detection of audio format */
     66    OMX_AUDIO_CodingPCM,         /**< Any variant of PCM coding */
     67    OMX_AUDIO_CodingADPCM,       /**< Any variant of ADPCM encoded data */
     68    OMX_AUDIO_CodingAMR,         /**< Any variant of AMR encoded data */
     69    OMX_AUDIO_CodingGSMFR,       /**< Any variant of GSM fullrate (i.e. GSM610) */
     70    OMX_AUDIO_CodingGSMEFR,      /**< Any variant of GSM Enhanced Fullrate encoded data*/
     71    OMX_AUDIO_CodingGSMHR,       /**< Any variant of GSM Halfrate encoded data */
     72    OMX_AUDIO_CodingPDCFR,       /**< Any variant of PDC Fullrate encoded data */
     73    OMX_AUDIO_CodingPDCEFR,      /**< Any variant of PDC Enhanced Fullrate encoded data */
     74    OMX_AUDIO_CodingPDCHR,       /**< Any variant of PDC Halfrate encoded data */
     75    OMX_AUDIO_CodingTDMAFR,      /**< Any variant of TDMA Fullrate encoded data (TIA/EIA-136-420) */
     76    OMX_AUDIO_CodingTDMAEFR,     /**< Any variant of TDMA Enhanced Fullrate encoded data (TIA/EIA-136-410) */
     77    OMX_AUDIO_CodingQCELP8,      /**< Any variant of QCELP 8kbps encoded data */
     78    OMX_AUDIO_CodingQCELP13,     /**< Any variant of QCELP 13kbps encoded data */
     79    OMX_AUDIO_CodingEVRC,        /**< Any variant of EVRC encoded data */
     80    OMX_AUDIO_CodingSMV,         /**< Any variant of SMV encoded data */
     81    OMX_AUDIO_CodingG711,        /**< Any variant of G.711 encoded data */
     82    OMX_AUDIO_CodingG723,        /**< Any variant of G.723 dot 1 encoded data */
     83    OMX_AUDIO_CodingG726,        /**< Any variant of G.726 encoded data */
     84    OMX_AUDIO_CodingG729,        /**< Any variant of G.729 encoded data */
     85    OMX_AUDIO_CodingAAC,         /**< Any variant of AAC encoded data */
     86    OMX_AUDIO_CodingMP3,         /**< Any variant of MP3 encoded data */
     87    OMX_AUDIO_CodingSBC,         /**< Any variant of SBC encoded data */
     88    OMX_AUDIO_CodingVORBIS,      /**< Any variant of VORBIS encoded data */
     89    OMX_AUDIO_CodingWMA,         /**< Any variant of WMA encoded data */
     90    OMX_AUDIO_CodingRA,          /**< Any variant of RA encoded data */
     91    OMX_AUDIO_CodingMIDI,        /**< Any variant of MIDI encoded data */
     92    OMX_AUDIO_CodingKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
     93    OMX_AUDIO_CodingVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
     94    OMX_AUDIO_CodingMax = 0x7FFFFFFF
     95 } OMX_AUDIO_CODINGTYPE;
     96 
     97 
     98 /** The PortDefinition structure is used to define all of the parameters
     99 *  necessary for the compliant component to setup an input or an output audio
    100 *  path.  If additional information is needed to define the parameters of the
    101 *  port (such as frequency), additional structures must be sent such as the
    102 *  OMX_AUDIO_PARAM_PCMMODETYPE structure to supply the extra parameters for the port.
    103 */
    104 typedef struct OMX_AUDIO_PORTDEFINITIONTYPE {
    105    OMX_STRING cMIMEType;            /**< MIME type of data for the port */
    106    OMX_NATIVE_DEVICETYPE pNativeRender; /** < platform specific reference
    107                                               for an output device,
    108                                               otherwise this field is 0 */
    109    OMX_BOOL bFlagErrorConcealment;  /**< Turns on error concealment if it is
    110                                          supported by the OMX component */
    111    OMX_AUDIO_CODINGTYPE eEncoding;  /**< Type of data expected for this
    112                                          port (e.g. PCM, AMR, MP3, etc) */
    113 } OMX_AUDIO_PORTDEFINITIONTYPE;
    114 
    115 
    116 /**  Port format parameter.  This structure is used to enumerate
    117  *  the various data input/output format supported by the port.
    118  */
    119 typedef struct OMX_AUDIO_PARAM_PORTFORMATTYPE {
    120    OMX_U32 nSize;                  /**< size of the structure in bytes */
    121    OMX_VERSIONTYPE nVersion;       /**< OMX specification version information */
    122    OMX_U32 nPortIndex;             /**< Indicates which port to set */
    123    OMX_U32 nIndex;                 /**< Indicates the enumeration index for the format from 0x0 to N-1 */
    124    OMX_AUDIO_CODINGTYPE eEncoding; /**< Type of data expected for this port (e.g. PCM, AMR, MP3, etc) */
    125 } OMX_AUDIO_PARAM_PORTFORMATTYPE;
    126 
    127 
    128 /** PCM mode type  */
    129 typedef enum OMX_AUDIO_PCMMODETYPE {
    130    OMX_AUDIO_PCMModeLinear = 0,  /**< Linear PCM encoded data */
    131    OMX_AUDIO_PCMModeALaw,        /**< A law PCM encoded data (G.711) */
    132    OMX_AUDIO_PCMModeMULaw,       /**< Mu law PCM encoded data (G.711)  */
    133    OMX_AUDIO_PCMModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    134    OMX_AUDIO_PCMModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    135    OMX_AUDIO_PCMModeMax = 0x7FFFFFFF
    136 } OMX_AUDIO_PCMMODETYPE;
    137 
    138 
    139 typedef enum OMX_AUDIO_CHANNELTYPE {
    140    OMX_AUDIO_ChannelNone = 0x0,    /**< Unused or empty */
    141    OMX_AUDIO_ChannelLF   = 0x1,    /**< Left front */
    142    OMX_AUDIO_ChannelRF   = 0x2,    /**< Right front */
    143    OMX_AUDIO_ChannelCF   = 0x3,    /**< Center front */
    144    OMX_AUDIO_ChannelLS   = 0x4,    /**< Left surround */
    145    OMX_AUDIO_ChannelRS   = 0x5,    /**< Right surround */
    146    OMX_AUDIO_ChannelLFE  = 0x6,    /**< Low frequency effects */
    147    OMX_AUDIO_ChannelCS   = 0x7,    /**< Back surround */
    148    OMX_AUDIO_ChannelLR   = 0x8,    /**< Left rear. */
    149    OMX_AUDIO_ChannelRR   = 0x9,    /**< Right rear. */
    150    OMX_AUDIO_ChannelKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    151    OMX_AUDIO_ChannelVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    152    OMX_AUDIO_ChannelMax  = 0x7FFFFFFF
    153 } OMX_AUDIO_CHANNELTYPE;
    154 
    155 #define OMX_AUDIO_MAXCHANNELS 16  /**< maximum number distinct audio channels that a buffer may contain */
    156 #define OMX_MIN_PCMPAYLOAD_MSEC 5 /**< Minimum audio buffer payload size for uncompressed (PCM) audio */
    157 
    158 /** PCM format description */
    159 typedef struct OMX_AUDIO_PARAM_PCMMODETYPE {
    160    OMX_U32 nSize;                    /**< Size of this structure, in Bytes */
    161    OMX_VERSIONTYPE nVersion;         /**< OMX specification version information */
    162    OMX_U32 nPortIndex;               /**< port that this structure applies to */
    163    OMX_U32 nChannels;                /**< Number of channels (e.g. 2 for stereo) */
    164    OMX_NUMERICALDATATYPE eNumData;   /**< indicates PCM data as signed or unsigned */
    165    OMX_ENDIANTYPE eEndian;           /**< indicates PCM data as little or big endian */
    166    OMX_BOOL bInterleaved;            /**< True for normal interleaved data; false for
    167                                           non-interleaved data (e.g. block data) */
    168    OMX_U32 nBitPerSample;            /**< Bit per sample */
    169    OMX_U32 nSamplingRate;            /**< Sampling rate of the source data.  Use 0 for
    170                                           variable or unknown sampling rate. */
    171    OMX_AUDIO_PCMMODETYPE ePCMMode;   /**< PCM mode enumeration */
    172    OMX_AUDIO_CHANNELTYPE eChannelMapping[OMX_AUDIO_MAXCHANNELS]; /**< Slot i contains channel defined by eChannelMap[i] */
    173 
    174 } OMX_AUDIO_PARAM_PCMMODETYPE;
    175 
    176 
    177 /** Audio channel mode.  This is used by both AAC and MP3, although the names are more appropriate
    178 * for the MP3.  For example, JointStereo for MP3 is CouplingChannels for AAC.
    179 */
    180 typedef enum OMX_AUDIO_CHANNELMODETYPE {
    181    OMX_AUDIO_ChannelModeStereo = 0,  /**< 2 channels, the bitrate allocation between those
    182                                          two channels changes accordingly to each channel information */
    183    OMX_AUDIO_ChannelModeJointStereo, /**< mode that takes advantage of what is common between
    184                                           2 channels for higher compression gain */
    185    OMX_AUDIO_ChannelModeDual,        /**< 2 mono-channels, each channel is encoded with half
    186                                           the bitrate of the overall bitrate */
    187    OMX_AUDIO_ChannelModeMono,        /**< Mono channel mode */
    188    OMX_AUDIO_ChannelModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    189    OMX_AUDIO_ChannelModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    190    OMX_AUDIO_ChannelModeMax = 0x7FFFFFFF
    191 } OMX_AUDIO_CHANNELMODETYPE;
    192 
    193 
    194 typedef enum OMX_AUDIO_MP3STREAMFORMATTYPE {
    195    OMX_AUDIO_MP3StreamFormatMP1Layer3 = 0, /**< MP3 Audio MPEG 1 Layer 3 Stream format */
    196    OMX_AUDIO_MP3StreamFormatMP2Layer3,     /**< MP3 Audio MPEG 2 Layer 3 Stream format */
    197    OMX_AUDIO_MP3StreamFormatMP2_5Layer3,   /**< MP3 Audio MPEG2.5 Layer 3 Stream format */
    198    OMX_AUDIO_MP3StreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    199    OMX_AUDIO_MP3StreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    200    OMX_AUDIO_MP3StreamFormatMax = 0x7FFFFFFF
    201 } OMX_AUDIO_MP3STREAMFORMATTYPE;
    202 
    203 /** MP3 params */
    204 typedef struct OMX_AUDIO_PARAM_MP3TYPE {
    205    OMX_U32 nSize;                 /**< size of the structure in bytes */
    206    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
    207    OMX_U32 nPortIndex;            /**< port that this structure applies to */
    208    OMX_U32 nChannels;             /**< Number of channels */
    209    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
    210                                        rate or unknown bit rates */
    211    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
    212                                        variable or unknown sampling rate. */
    213    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
    214                                        limit the audio signal. Use 0 to let encoder decide */
    215    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
    216    OMX_AUDIO_MP3STREAMFORMATTYPE eFormat;  /**< MP3 stream format */
    217 } OMX_AUDIO_PARAM_MP3TYPE;
    218 
    219 
    220 typedef enum OMX_AUDIO_AACSTREAMFORMATTYPE {
    221    OMX_AUDIO_AACStreamFormatMP2ADTS = 0, /**< AAC Audio Data Transport Stream 2 format */
    222    OMX_AUDIO_AACStreamFormatMP4ADTS,     /**< AAC Audio Data Transport Stream 4 format */
    223    OMX_AUDIO_AACStreamFormatMP4LOAS,     /**< AAC Low Overhead Audio Stream format */
    224    OMX_AUDIO_AACStreamFormatMP4LATM,     /**< AAC Low overhead Audio Transport Multiplex */
    225    OMX_AUDIO_AACStreamFormatADIF,        /**< AAC Audio Data Interchange Format */
    226    OMX_AUDIO_AACStreamFormatMP4FF,       /**< AAC inside MPEG-4/ISO File Format */
    227    OMX_AUDIO_AACStreamFormatRAW,         /**< AAC Raw Format */
    228    OMX_AUDIO_AACStreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    229    OMX_AUDIO_AACStreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    230    OMX_AUDIO_AACStreamFormatMax = 0x7FFFFFFF
    231 } OMX_AUDIO_AACSTREAMFORMATTYPE;
    232 
    233 
    234 /** AAC mode type.  Note that the term profile is used with the MPEG-2
    235 * standard and the term object type and profile is used with MPEG-4 */
    236 typedef enum OMX_AUDIO_AACPROFILETYPE{
    237  OMX_AUDIO_AACObjectNull = 0,      /**< Null, not used */
    238  OMX_AUDIO_AACObjectMain = 1,      /**< AAC Main object */
    239  OMX_AUDIO_AACObjectLC,            /**< AAC Low Complexity object (AAC profile) */
    240  OMX_AUDIO_AACObjectSSR,           /**< AAC Scalable Sample Rate object */
    241  OMX_AUDIO_AACObjectLTP,           /**< AAC Long Term Prediction object */
    242  OMX_AUDIO_AACObjectHE,            /**< AAC High Efficiency (object type SBR, HE-AAC profile) */
    243  OMX_AUDIO_AACObjectScalable,      /**< AAC Scalable object */
    244  OMX_AUDIO_AACObjectERLC = 17,     /**< ER AAC Low Complexity object (Error Resilient AAC-LC) */
    245  OMX_AUDIO_AACObjectLD = 23,       /**< AAC Low Delay object (Error Resilient) */
    246  OMX_AUDIO_AACObjectHE_PS = 29,    /**< AAC High Efficiency with Parametric Stereo coding (HE-AAC v2, object type PS) */
    247  OMX_AUDIO_AACObjectKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    248  OMX_AUDIO_AACObjectVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    249  OMX_AUDIO_AACObjectMax = 0x7FFFFFFF
    250 } OMX_AUDIO_AACPROFILETYPE;
    251 
    252 
    253 /** AAC tool usage (for nAACtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
    254 * Required for encoder configuration and optional as decoder info output.
    255 * For MP3, OMX_AUDIO_CHANNELMODETYPE is sufficient. */
    256 #define OMX_AUDIO_AACToolNone 0x00000000 /**< no AAC tools allowed (encoder config) or active (decoder info output) */
    257 #define OMX_AUDIO_AACToolMS   0x00000001 /**< MS: Mid/side joint coding tool allowed or active */
    258 #define OMX_AUDIO_AACToolIS   0x00000002 /**< IS: Intensity stereo tool allowed or active */
    259 #define OMX_AUDIO_AACToolTNS  0x00000004 /**< TNS: Temporal Noise Shaping tool allowed or active */
    260 #define OMX_AUDIO_AACToolPNS  0x00000008 /**< PNS: MPEG-4 Perceptual Noise substitution tool allowed or active */
    261 #define OMX_AUDIO_AACToolLTP  0x00000010 /**< LTP: MPEG-4 Long Term Prediction tool allowed or active */
    262 #define OMX_AUDIO_AACToolAll  0x7FFFFFFF /**< all AAC tools allowed or active (*/
    263 
    264 /** MPEG-4 AAC error resilience (ER) tool usage (for nAACERtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
    265 * Required for ER encoder configuration and optional as decoder info output */
    266 #define OMX_AUDIO_AACERNone  0x00000000  /**< no AAC ER tools allowed/used */
    267 #define OMX_AUDIO_AACERVCB11 0x00000001  /**< VCB11: Virtual Code Books for AAC section data */
    268 #define OMX_AUDIO_AACERRVLC  0x00000002  /**< RVLC: Reversible Variable Length Coding */
    269 #define OMX_AUDIO_AACERHCR   0x00000004  /**< HCR: Huffman Codeword Reordering */
    270 #define OMX_AUDIO_AACERAll   0x7FFFFFFF  /**< all AAC ER tools allowed/used */
    271 
    272 
    273 /** AAC params */
    274 typedef struct OMX_AUDIO_PARAM_AACPROFILETYPE {
    275    OMX_U32 nSize;                 /**< Size of this structure, in Bytes */
    276    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
    277    OMX_U32 nPortIndex;            /**< Port that this structure applies to */
    278    OMX_U32 nChannels;             /**< Number of channels */
    279    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
    280                                        variable or unknown sampling rate. */
    281    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
    282                                        rate or unknown bit rates */
    283    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
    284                                        limit the audio signal. Use 0 to let encoder decide */
    285    OMX_U32 nFrameLength;          /**< Frame length (in audio samples per channel) of the codec.
    286                                        Can be 1024 or 960 (AAC-LC), 2048 (HE-AAC), 480 or 512 (AAC-LD).
    287                                        Use 0 to let encoder decide */
    288    OMX_U32 nAACtools;             /**< AAC tool usage */
    289    OMX_U32 nAACERtools;           /**< MPEG-4 AAC error resilience tool usage */
    290    OMX_AUDIO_AACPROFILETYPE eAACProfile;   /**< AAC profile enumeration */
    291    OMX_AUDIO_AACSTREAMFORMATTYPE eAACStreamFormat; /**< AAC stream format enumeration */
    292    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
    293 } OMX_AUDIO_PARAM_AACPROFILETYPE;
    294 
    295 
    296 /** VORBIS params */
    297 typedef struct OMX_AUDIO_PARAM_VORBISTYPE {
    298    OMX_U32 nSize;            /**< size of the structure in bytes */
    299    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    300    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    301    OMX_U32 nChannels;        /**< Number of channels */
    302    OMX_U32 nBitRate;         /**< Bit rate of the encoded data data.  Use 0 for variable
    303                                   rate or unknown bit rates. Encoding is set to the
    304                                   bitrate closest to specified  value (in bps) */
    305    OMX_U32 nMinBitRate;      /**< Sets minimum bitrate (in bps). */
    306    OMX_U32 nMaxBitRate;      /**< Sets maximum bitrate (in bps). */
    307 
    308    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
    309                                   variable or unknown sampling rate. */
    310    OMX_U32 nAudioBandWidth;  /**< Audio band width (in Hz) to which an encoder should
    311                                   limit the audio signal. Use 0 to let encoder decide */
    312    OMX_S32 nQuality;		  /**< Sets encoding quality to n, between -1 (low) and 10 (high).
    313                                   In the default mode of operation, teh quality level is 3.
    314                                   Normal quality range is 0 - 10. */
    315    OMX_BOOL bManaged;		  /**< Set  bitrate  management  mode. This turns off the
    316                                   normal VBR encoding, but allows hard or soft bitrate
    317                                   constraints to be enforced by the encoder. This mode can
    318                                   be slower, and may also be lower quality. It is
    319                                   primarily useful for streaming. */
    320    OMX_BOOL bDownmix;		  /**< Downmix input from stereo to mono (has no effect on
    321                                   non-stereo streams). Useful for lower-bitrate encoding. */
    322 } OMX_AUDIO_PARAM_VORBISTYPE;
    323 
    324 
    325 /** WMA Version */
    326 typedef enum OMX_AUDIO_WMAFORMATTYPE {
    327  OMX_AUDIO_WMAFormatUnused = 0, /**< format unused or unknown */
    328  OMX_AUDIO_WMAFormat7,          /**< Windows Media Audio format 7 */
    329  OMX_AUDIO_WMAFormat8,          /**< Windows Media Audio format 8 */
    330  OMX_AUDIO_WMAFormat9,          /**< Windows Media Audio format 9 */
    331  OMX_AUDIO_WMAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    332  OMX_AUDIO_WMAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    333  OMX_AUDIO_WMAFormatMax = 0x7FFFFFFF
    334 } OMX_AUDIO_WMAFORMATTYPE;
    335 
    336 
    337 /** WMA Profile */
    338 typedef enum OMX_AUDIO_WMAPROFILETYPE {
    339  OMX_AUDIO_WMAProfileUnused = 0,  /**< profile unused or unknown */
    340  OMX_AUDIO_WMAProfileL1,          /**< Windows Media audio version 9 profile L1 */
    341  OMX_AUDIO_WMAProfileL2,          /**< Windows Media audio version 9 profile L2 */
    342  OMX_AUDIO_WMAProfileL3,          /**< Windows Media audio version 9 profile L3 */
    343  OMX_AUDIO_WMAProfileKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    344  OMX_AUDIO_WMAProfileVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    345  OMX_AUDIO_WMAProfileMax = 0x7FFFFFFF
    346 } OMX_AUDIO_WMAPROFILETYPE;
    347 
    348 
    349 /** WMA params */
    350 typedef struct OMX_AUDIO_PARAM_WMATYPE {
    351    OMX_U32 nSize;            /**< size of the structure in bytes */
    352    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    353    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    354    OMX_U16 nChannels;        /**< Number of channels */
    355    OMX_U32 nBitRate;         /**< Bit rate of the input data.  Use 0 for variable
    356                                   rate or unknown bit rates */
    357    OMX_AUDIO_WMAFORMATTYPE eFormat; /**< Version of WMA stream / data */
    358 OMX_AUDIO_WMAPROFILETYPE eProfile;  /**< Profile of WMA stream / data */
    359    OMX_U32 nSamplingRate;    /**< Sampling rate of the source data */
    360    OMX_U16 nBlockAlign;      /**< is the block alignment, or block size, in bytes of the audio codec */
    361    OMX_U16 nEncodeOptions;   /**< WMA Type-specific data */
    362    OMX_U32 nSuperBlockAlign; /**< WMA Type-specific data */
    363 } OMX_AUDIO_PARAM_WMATYPE;
    364 
    365 /**
    366 * RealAudio format
    367 */
    368 typedef enum OMX_AUDIO_RAFORMATTYPE {
    369    OMX_AUDIO_RAFormatUnused = 0, /**< Format unused or unknown */
    370    OMX_AUDIO_RA8,                /**< RealAudio 8 codec */
    371    OMX_AUDIO_RA9,                /**< RealAudio 9 codec */
    372    OMX_AUDIO_RA10_AAC,           /**< MPEG-4 AAC codec for bitrates of more than 128kbps */
    373    OMX_AUDIO_RA10_CODEC,         /**< RealAudio codec for bitrates less than 128 kbps */
    374    OMX_AUDIO_RA10_LOSSLESS,      /**< RealAudio Lossless */
    375    OMX_AUDIO_RA10_MULTICHANNEL,  /**< RealAudio Multichannel */
    376    OMX_AUDIO_RA10_VOICE,         /**< RealAudio Voice for bitrates below 15 kbps */
    377    OMX_AUDIO_RAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    378    OMX_AUDIO_RAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    379    OMX_VIDEO_RAFormatMax = 0x7FFFFFFF
    380 } OMX_AUDIO_RAFORMATTYPE;
    381 
    382 /** RA (Real Audio) params */
    383 typedef struct OMX_AUDIO_PARAM_RATYPE {
    384    OMX_U32 nSize;              /**< Size of this structure, in Bytes */
    385    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
    386    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
    387    OMX_U32 nChannels;          /**< Number of channels */
    388    OMX_U32 nSamplingRate;      /**< is the sampling rate of the source data */
    389    OMX_U32 nBitsPerFrame;      /**< is the value for bits per frame  */
    390    OMX_U32 nSamplePerFrame;    /**< is the value for samples per frame */
    391    OMX_U32 nCouplingQuantBits; /**< is the number of coupling quantization bits in the stream */
    392    OMX_U32 nCouplingStartRegion;   /**< is the coupling start region in the stream  */
    393    OMX_U32 nNumRegions;        /**< is the number of regions value */
    394    OMX_AUDIO_RAFORMATTYPE eFormat; /**< is the RealAudio audio format */
    395 } OMX_AUDIO_PARAM_RATYPE;
    396 
    397 
    398 /** SBC Allocation Method Type */
    399 typedef enum OMX_AUDIO_SBCALLOCMETHODTYPE {
    400  OMX_AUDIO_SBCAllocMethodLoudness, /**< Loudness allocation method */
    401  OMX_AUDIO_SBCAllocMethodSNR,      /**< SNR allocation method */
    402  OMX_AUDIO_SBCAllocMethodKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    403  OMX_AUDIO_SBCAllocMethodVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    404  OMX_AUDIO_SBCAllocMethodMax = 0x7FFFFFFF
    405 } OMX_AUDIO_SBCALLOCMETHODTYPE;
    406 
    407 
    408 /** SBC params */
    409 typedef struct OMX_AUDIO_PARAM_SBCTYPE {
    410    OMX_U32 nSize;             /**< size of the structure in bytes */
    411    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
    412    OMX_U32 nPortIndex;        /**< port that this structure applies to */
    413    OMX_U32 nChannels;         /**< Number of channels */
    414    OMX_U32 nBitRate;          /**< Bit rate of the input data.  Use 0 for variable
    415                                    rate or unknown bit rates */
    416    OMX_U32 nSampleRate;       /**< Sampling rate of the source data.  Use 0 for
    417                                    variable or unknown sampling rate. */
    418    OMX_U32 nBlocks;           /**< Number of blocks */
    419    OMX_U32 nSubbands;         /**< Number of subbands */
    420    OMX_U32 nBitPool;          /**< Bitpool value */
    421    OMX_BOOL bEnableBitrate;   /**< Use bitrate value instead of bitpool */
    422    OMX_AUDIO_CHANNELMODETYPE eChannelMode; /**< Channel mode enumeration */
    423    OMX_AUDIO_SBCALLOCMETHODTYPE eSBCAllocType;   /**< SBC Allocation method type */
    424 } OMX_AUDIO_PARAM_SBCTYPE;
    425 
    426 
    427 /** ADPCM stream format parameters */
    428 typedef struct OMX_AUDIO_PARAM_ADPCMTYPE {
    429    OMX_U32 nSize;              /**< size of the structure in bytes */
    430    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
    431    OMX_U32 nPortIndex;         /**< port that this structure applies to */
    432    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
    433                                     necessarily the same as the number of channels
    434                                     to be rendered. */
    435    OMX_U32 nBitsPerSample;     /**< Number of bits in each sample */
    436    OMX_U32 nSampleRate;        /**< Sampling rate of the source data.  Use 0 for
    437                                    variable or unknown sampling rate. */
    438 } OMX_AUDIO_PARAM_ADPCMTYPE;
    439 
    440 
    441 /** G723 rate */
    442 typedef enum OMX_AUDIO_G723RATE {
    443    OMX_AUDIO_G723ModeUnused = 0,  /**< AMRNB Mode unused / unknown */
    444    OMX_AUDIO_G723ModeLow,         /**< 5300 bps */
    445    OMX_AUDIO_G723ModeHigh,        /**< 6300 bps */
    446    OMX_AUDIO_G723ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    447    OMX_AUDIO_G723ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    448    OMX_AUDIO_G723ModeMax = 0x7FFFFFFF
    449 } OMX_AUDIO_G723RATE;
    450 
    451 
    452 /** G723 - Sample rate must be 8 KHz */
    453 typedef struct OMX_AUDIO_PARAM_G723TYPE {
    454    OMX_U32 nSize;                /**< size of the structure in bytes */
    455    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    456    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    457    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    458                                       necessarily the same as the number of channels
    459                                       to be rendered. */
    460    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    461    OMX_AUDIO_G723RATE eBitRate;  /**< todo: Should this be moved to a config? */
    462    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    463    OMX_BOOL bPostFilter;         /**< Enable Post Filter */
    464 } OMX_AUDIO_PARAM_G723TYPE;
    465 
    466 
    467 /** ITU G726 (ADPCM) rate */
    468 typedef enum OMX_AUDIO_G726MODE {
    469    OMX_AUDIO_G726ModeUnused = 0,  /**< G726 Mode unused / unknown */
    470    OMX_AUDIO_G726Mode16,          /**< 16 kbps */
    471    OMX_AUDIO_G726Mode24,          /**< 24 kbps */
    472    OMX_AUDIO_G726Mode32,          /**< 32 kbps, most common rate, also G721 */
    473    OMX_AUDIO_G726Mode40,          /**< 40 kbps */
    474    OMX_AUDIO_G726ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    475    OMX_AUDIO_G726ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    476    OMX_AUDIO_G726ModeMax = 0x7FFFFFFF
    477 } OMX_AUDIO_G726MODE;
    478 
    479 
    480 /** G.726 stream format parameters - must be at 8KHz */
    481 typedef struct OMX_AUDIO_PARAM_G726TYPE {
    482    OMX_U32 nSize;              /**< size of the structure in bytes */
    483    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
    484    OMX_U32 nPortIndex;         /**< port that this structure applies to */
    485    OMX_U32 nChannels;          /**< Number of channels in the data stream (not
    486                                     necessarily the same as the number of channels
    487                                     to be rendered. */
    488     OMX_AUDIO_G726MODE eG726Mode;
    489 } OMX_AUDIO_PARAM_G726TYPE;
    490 
    491 
    492 /** G729 coder type */
    493 typedef enum OMX_AUDIO_G729TYPE {
    494    OMX_AUDIO_G729 = 0,           /**< ITU G.729  encoded data */
    495    OMX_AUDIO_G729A,              /**< ITU G.729 annex A  encoded data */
    496    OMX_AUDIO_G729B,              /**< ITU G.729 with annex B encoded data */
    497    OMX_AUDIO_G729AB,             /**< ITU G.729 annexes A and B encoded data */
    498    OMX_AUDIO_G729KhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    499    OMX_AUDIO_G729VendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    500    OMX_AUDIO_G729Max = 0x7FFFFFFF
    501 } OMX_AUDIO_G729TYPE;
    502 
    503 
    504 /** G729 stream format parameters - fixed 6KHz sample rate */
    505 typedef struct OMX_AUDIO_PARAM_G729TYPE {
    506    OMX_U32 nSize;            /**< size of the structure in bytes */
    507    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    508    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    509    OMX_U32 nChannels;        /**< Number of channels in the data stream (not
    510                                   necessarily the same as the number of channels
    511                                   to be rendered. */
    512    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
    513    OMX_AUDIO_G729TYPE eBitType;
    514 } OMX_AUDIO_PARAM_G729TYPE;
    515 
    516 
    517 /** AMR Frame format */
    518 typedef enum OMX_AUDIO_AMRFRAMEFORMATTYPE {
    519    OMX_AUDIO_AMRFrameFormatConformance = 0,  /**< Frame Format is AMR Conformance
    520                                                   (Standard) Format */
    521    OMX_AUDIO_AMRFrameFormatIF1,              /**< Frame Format is AMR Interface
    522                                                   Format 1 */
    523    OMX_AUDIO_AMRFrameFormatIF2,              /**< Frame Format is AMR Interface
    524                                                   Format 2*/
    525    OMX_AUDIO_AMRFrameFormatFSF,              /**< Frame Format is AMR File Storage
    526                                                   Format */
    527    OMX_AUDIO_AMRFrameFormatRTPPayload,       /**< Frame Format is AMR Real-Time
    528                                                   Transport Protocol Payload Format */
    529    OMX_AUDIO_AMRFrameFormatITU,              /**< Frame Format is ITU Format (added at Motorola request) */
    530    OMX_AUDIO_AMRFrameFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    531    OMX_AUDIO_AMRFrameFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    532    OMX_AUDIO_AMRFrameFormatMax = 0x7FFFFFFF
    533 } OMX_AUDIO_AMRFRAMEFORMATTYPE;
    534 
    535 
    536 /** AMR band mode */
    537 typedef enum OMX_AUDIO_AMRBANDMODETYPE {
    538    OMX_AUDIO_AMRBandModeUnused = 0,          /**< AMRNB Mode unused / unknown */
    539    OMX_AUDIO_AMRBandModeNB0,                 /**< AMRNB Mode 0 =  4750 bps */
    540    OMX_AUDIO_AMRBandModeNB1,                 /**< AMRNB Mode 1 =  5150 bps */
    541    OMX_AUDIO_AMRBandModeNB2,                 /**< AMRNB Mode 2 =  5900 bps */
    542    OMX_AUDIO_AMRBandModeNB3,                 /**< AMRNB Mode 3 =  6700 bps */
    543    OMX_AUDIO_AMRBandModeNB4,                 /**< AMRNB Mode 4 =  7400 bps */
    544    OMX_AUDIO_AMRBandModeNB5,                 /**< AMRNB Mode 5 =  7950 bps */
    545    OMX_AUDIO_AMRBandModeNB6,                 /**< AMRNB Mode 6 = 10200 bps */
    546    OMX_AUDIO_AMRBandModeNB7,                 /**< AMRNB Mode 7 = 12200 bps */
    547    OMX_AUDIO_AMRBandModeWB0,                 /**< AMRWB Mode 0 =  6600 bps */
    548    OMX_AUDIO_AMRBandModeWB1,                 /**< AMRWB Mode 1 =  8850 bps */
    549    OMX_AUDIO_AMRBandModeWB2,                 /**< AMRWB Mode 2 = 12650 bps */
    550    OMX_AUDIO_AMRBandModeWB3,                 /**< AMRWB Mode 3 = 14250 bps */
    551    OMX_AUDIO_AMRBandModeWB4,                 /**< AMRWB Mode 4 = 15850 bps */
    552    OMX_AUDIO_AMRBandModeWB5,                 /**< AMRWB Mode 5 = 18250 bps */
    553    OMX_AUDIO_AMRBandModeWB6,                 /**< AMRWB Mode 6 = 19850 bps */
    554    OMX_AUDIO_AMRBandModeWB7,                 /**< AMRWB Mode 7 = 23050 bps */
    555    OMX_AUDIO_AMRBandModeWB8,                 /**< AMRWB Mode 8 = 23850 bps */
    556    OMX_AUDIO_AMRBandModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    557    OMX_AUDIO_AMRBandModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    558    OMX_AUDIO_AMRBandModeMax = 0x7FFFFFFF
    559 } OMX_AUDIO_AMRBANDMODETYPE;
    560 
    561 
    562 /** AMR Discontinuous Transmission mode */
    563 typedef enum OMX_AUDIO_AMRDTXMODETYPE {
    564    OMX_AUDIO_AMRDTXModeOff = 0,        /**< AMR Discontinuous Transmission Mode is disabled */
    565    OMX_AUDIO_AMRDTXModeOnVAD1,         /**< AMR Discontinuous Transmission Mode using
    566                                             Voice Activity Detector 1 (VAD1) is enabled */
    567    OMX_AUDIO_AMRDTXModeOnVAD2,         /**< AMR Discontinuous Transmission Mode using
    568                                             Voice Activity Detector 2 (VAD2) is enabled */
    569    OMX_AUDIO_AMRDTXModeOnAuto,         /**< The codec will automatically select between
    570                                             Off, VAD1 or VAD2 modes */
    571 
    572    OMX_AUDIO_AMRDTXasEFR,             /**< DTX as EFR instead of AMR standard (3GPP 26.101, frame type =8,9,10) */
    573 
    574    OMX_AUDIO_AMRDTXModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    575    OMX_AUDIO_AMRDTXModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    576    OMX_AUDIO_AMRDTXModeMax = 0x7FFFFFFF
    577 } OMX_AUDIO_AMRDTXMODETYPE;
    578 
    579 
    580 /** AMR params */
    581 typedef struct OMX_AUDIO_PARAM_AMRTYPE {
    582    OMX_U32 nSize;                          /**< size of the structure in bytes */
    583    OMX_VERSIONTYPE nVersion;               /**< OMX specification version information */
    584    OMX_U32 nPortIndex;                     /**< port that this structure applies to */
    585    OMX_U32 nChannels;                      /**< Number of channels */
    586    OMX_U32 nBitRate;                       /**< Bit rate read only field */
    587    OMX_AUDIO_AMRBANDMODETYPE eAMRBandMode; /**< AMR Band Mode enumeration */
    588    OMX_AUDIO_AMRDTXMODETYPE  eAMRDTXMode;  /**< AMR DTX Mode enumeration */
    589    OMX_AUDIO_AMRFRAMEFORMATTYPE eAMRFrameFormat; /**< AMR frame format enumeration */
    590 } OMX_AUDIO_PARAM_AMRTYPE;
    591 
    592 
    593 /** GSM_FR (ETSI 06.10, 3GPP 46.010) stream format parameters */
    594 typedef struct OMX_AUDIO_PARAM_GSMFRTYPE {
    595    OMX_U32 nSize;            /**< size of the structure in bytes */
    596    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    597    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    598    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
    599    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
    600 } OMX_AUDIO_PARAM_GSMFRTYPE;
    601 
    602 
    603 /** GSM-HR (ETSI 06.20, 3GPP 46.020) stream format parameters */
    604 typedef struct OMX_AUDIO_PARAM_GSMHRTYPE {
    605    OMX_U32 nSize;            /**< size of the structure in bytes */
    606    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    607    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    608    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
    609    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
    610 } OMX_AUDIO_PARAM_GSMHRTYPE;
    611 
    612 
    613 /** GSM-EFR (ETSI 06.60, 3GPP 46.060) stream format parameters */
    614 typedef struct OMX_AUDIO_PARAM_GSMEFRTYPE {
    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_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
    619    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
    620 } OMX_AUDIO_PARAM_GSMEFRTYPE;
    621 
    622 
    623 /** TDMA FR (TIA/EIA-136-420, VSELP 7.95kbps coder) stream format parameters */
    624 typedef struct OMX_AUDIO_PARAM_TDMAFRTYPE {
    625    OMX_U32 nSize;                /**< size of the structure in bytes */
    626    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    627    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    628    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    629                                       necessarily the same as the number of channels
    630                                       to be rendered. */
    631    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    632    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    633 } OMX_AUDIO_PARAM_TDMAFRTYPE;
    634 
    635 
    636 /** TDMA EFR (TIA/EIA-136-410, ACELP 7.4kbps coder) stream format parameters */
    637 typedef struct OMX_AUDIO_PARAM_TDMAEFRTYPE {
    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_U32 nChannels;            /**< Number of channels in the data stream (not
    642                                       necessarily the same as the number of channels
    643                                       to be rendered. */
    644    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    645    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    646 } OMX_AUDIO_PARAM_TDMAEFRTYPE;
    647 
    648 
    649 /** PDC FR ( RCR-27, VSELP 6.7kbps coder) stream format parameters */
    650 typedef struct OMX_AUDIO_PARAM_PDCFRTYPE {
    651    OMX_U32 nSize;                /**< size of the structure in bytes */
    652    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    653    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    654    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    655                                       necessarily the same as the number of channels
    656                                       to be rendered. */
    657    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    658    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    659 } OMX_AUDIO_PARAM_PDCFRTYPE;
    660 
    661 
    662 /** PDC EFR ( RCR-27, ACELP 6.7kbps coder) stream format parameters */
    663 typedef struct OMX_AUDIO_PARAM_PDCEFRTYPE {
    664    OMX_U32 nSize;                /**< size of the structure in bytes */
    665    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    666    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    667    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    668                                       necessarily the same as the number of channels
    669                                       to be rendered. */
    670    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    671    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    672 } OMX_AUDIO_PARAM_PDCEFRTYPE;
    673 
    674 /** PDC HR ( RCR-27, PSI-CELP 3.45kbps coder) stream format parameters */
    675 typedef struct OMX_AUDIO_PARAM_PDCHRTYPE {
    676    OMX_U32 nSize;                /**< size of the structure in bytes */
    677    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    678    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    679    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    680                                       necessarily the same as the number of channels
    681                                       to be rendered. */
    682    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
    683    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
    684 } OMX_AUDIO_PARAM_PDCHRTYPE;
    685 
    686 
    687 /** CDMA Rate types */
    688 typedef enum OMX_AUDIO_CDMARATETYPE {
    689    OMX_AUDIO_CDMARateBlank = 0,          /**< CDMA encoded frame is blank */
    690    OMX_AUDIO_CDMARateFull,               /**< CDMA encoded frame in full rate */
    691    OMX_AUDIO_CDMARateHalf,               /**< CDMA encoded frame in half rate */
    692    OMX_AUDIO_CDMARateQuarter,            /**< CDMA encoded frame in quarter rate */
    693    OMX_AUDIO_CDMARateEighth,             /**< CDMA encoded frame in eighth rate (DTX)*/
    694    OMX_AUDIO_CDMARateErasure,            /**< CDMA erasure frame */
    695    OMX_AUDIO_CDMARateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    696    OMX_AUDIO_CDMARateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    697    OMX_AUDIO_CDMARateMax = 0x7FFFFFFF
    698 } OMX_AUDIO_CDMARATETYPE;
    699 
    700 
    701 /** QCELP8 (TIA/EIA-96, up to 8kbps coder) stream format parameters */
    702 typedef struct OMX_AUDIO_PARAM_QCELP8TYPE {
    703    OMX_U32 nSize;                /**< size of the structure in bytes */
    704    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    705    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    706    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    707                                       necessarily the same as the number of channels
    708                                       to be rendered. */
    709    OMX_U32 nBitRate;             /**< Bit rate of the input data.  Use 0 for variable
    710                                       rate or unknown bit rates */
    711    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
    712    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
    713    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
    714 } OMX_AUDIO_PARAM_QCELP8TYPE;
    715 
    716 
    717 /** QCELP13 ( CDMA, EIA/TIA-733, 13.3kbps coder) stream format parameters */
    718 typedef struct OMX_AUDIO_PARAM_QCELP13TYPE {
    719    OMX_U32 nSize;                /**< size of the structure in bytes */
    720    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    721    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    722    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    723                                       necessarily the same as the number of channels
    724                                       to be rendered. */
    725    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
    726    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
    727    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
    728 } OMX_AUDIO_PARAM_QCELP13TYPE;
    729 
    730 
    731 /** EVRC ( CDMA, EIA/TIA-127, RCELP up to 8.55kbps coder) stream format parameters */
    732 typedef struct OMX_AUDIO_PARAM_EVRCTYPE {
    733    OMX_U32 nSize;                /**< size of the structure in bytes */
    734    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    735    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    736    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
    737                                       necessarily the same as the number of channels
    738                                       to be rendered. */
    739    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< actual Frame rate */
    740    OMX_BOOL bRATE_REDUCon;       /**< RATE_REDUCtion is requested for this frame */
    741    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
    742    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
    743    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter */
    744    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
    745    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter */
    746 } OMX_AUDIO_PARAM_EVRCTYPE;
    747 
    748 
    749 /** SMV ( up to 8.55kbps coder) stream format parameters */
    750 typedef struct OMX_AUDIO_PARAM_SMVTYPE {
    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_BOOL bRATE_REDUCon;           /**< RATE_REDUCtion is requested for this frame */
    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_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter ??*/
    762    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
    763    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter ??*/
    764 } OMX_AUDIO_PARAM_SMVTYPE;
    765 
    766 
    767 /** MIDI Format
    768 * @ingroup midi
    769 */
    770 typedef enum OMX_AUDIO_MIDIFORMATTYPE
    771 {
    772    OMX_AUDIO_MIDIFormatUnknown = 0, /**< MIDI Format unknown or don't care */
    773    OMX_AUDIO_MIDIFormatSMF0,        /**< Standard MIDI File Type 0 */
    774    OMX_AUDIO_MIDIFormatSMF1,        /**< Standard MIDI File Type 1 */
    775    OMX_AUDIO_MIDIFormatSMF2,        /**< Standard MIDI File Type 2 */
    776    OMX_AUDIO_MIDIFormatSPMIDI,      /**< SP-MIDI */
    777    OMX_AUDIO_MIDIFormatXMF0,        /**< eXtensible Music Format type 0 */
    778    OMX_AUDIO_MIDIFormatXMF1,        /**< eXtensible Music Format type 1 */
    779    OMX_AUDIO_MIDIFormatMobileXMF,   /**< Mobile XMF (eXtensible Music Format type 2) */
    780    OMX_AUDIO_MIDIFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    781    OMX_AUDIO_MIDIFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    782    OMX_AUDIO_MIDIFormatMax = 0x7FFFFFFF
    783 } OMX_AUDIO_MIDIFORMATTYPE;
    784 
    785 
    786 /** MIDI params
    787 * @ingroup midi
    788 */
    789 typedef struct OMX_AUDIO_PARAM_MIDITYPE {
    790    OMX_U32 nSize;                 /**< size of the structure in bytes */
    791    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
    792    OMX_U32 nPortIndex;            /**< port that this structure applies to */
    793    OMX_U32 nFileSize;             /**< size of the MIDI file in bytes, where the entire
    794                                        MIDI file passed in, otherwise if 0x0, the MIDI data
    795                                        is merged and streamed (instead of passed as an
    796                                        entire MIDI file) */
    797    OMX_BU32 sMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
    798                                        voices. A value of zero indicates that the default
    799                                        polyphony of the device is used  */
    800    OMX_BOOL bLoadDefaultSound;    /**< Whether to load default sound
    801                                        bank at initialization */
    802    OMX_AUDIO_MIDIFORMATTYPE eMidiFormat; /**< Version of the MIDI file */
    803 } OMX_AUDIO_PARAM_MIDITYPE;
    804 
    805 
    806 /** Type of the MIDI sound bank
    807 * @ingroup midi
    808 */
    809 typedef enum OMX_AUDIO_MIDISOUNDBANKTYPE {
    810    OMX_AUDIO_MIDISoundBankUnused = 0,           /**< unused/unknown soundbank type */
    811    OMX_AUDIO_MIDISoundBankDLS1,                 /**< DLS version 1 */
    812    OMX_AUDIO_MIDISoundBankDLS2,                 /**< DLS version 2 */
    813    OMX_AUDIO_MIDISoundBankMobileDLSBase,        /**< Mobile DLS, using the base functionality */
    814    OMX_AUDIO_MIDISoundBankMobileDLSPlusOptions, /**< Mobile DLS, using the specification-defined optional feature set */
    815    OMX_AUDIO_MIDISoundBankKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    816    OMX_AUDIO_MIDISoundBankVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    817    OMX_AUDIO_MIDISoundBankMax = 0x7FFFFFFF
    818 } OMX_AUDIO_MIDISOUNDBANKTYPE;
    819 
    820 
    821 /** Bank Layout describes how bank MSB & LSB are used in the DLS instrument definitions sound bank
    822 * @ingroup midi
    823 */
    824 typedef enum OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE {
    825   OMX_AUDIO_MIDISoundBankLayoutUnused = 0,   /**< unused/unknown soundbank type */
    826   OMX_AUDIO_MIDISoundBankLayoutGM,           /**< GS layout (based on bank MSB 0x00) */
    827   OMX_AUDIO_MIDISoundBankLayoutGM2,          /**< General MIDI 2 layout (using MSB 0x78/0x79, LSB 0x00) */
    828   OMX_AUDIO_MIDISoundBankLayoutUser,         /**< Does not conform to any bank numbering standards */
    829   OMX_AUDIO_MIDISoundBankLayoutKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    830   OMX_AUDIO_MIDISoundBankLayoutVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    831   OMX_AUDIO_MIDISoundBankLayoutMax = 0x7FFFFFFF
    832 } OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE;
    833 
    834 
    835 /** MIDI params to load/unload user soundbank
    836 * @ingroup midi
    837 */
    838 typedef struct OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE {
    839    OMX_U32 nSize;            /**< size of the structure in bytes */
    840    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    841    OMX_U32 nPortIndex;       /**< port that this structure applies to */
    842    OMX_U32 nDLSIndex;        /**< DLS file index to be loaded */
    843    OMX_U32 nDLSSize;         /**< Size in bytes */
    844    OMX_PTR pDLSData;         /**< Pointer to DLS file data */
    845    OMX_AUDIO_MIDISOUNDBANKTYPE eMidiSoundBank;   /**< Midi sound bank type enumeration */
    846    OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE eMidiSoundBankLayout; /**< Midi sound bank layout enumeration */
    847 } OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE;
    848 
    849 
    850 /** Structure for Live MIDI events and MIP messages.
    851 * (MIP = Maximum Instantaneous Polyphony; part of the SP-MIDI standard.)
    852 * @ingroup midi
    853 */
    854 typedef struct OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE {
    855    OMX_U32 nSize;            /**< size of the structure in bytes */
    856    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    857    OMX_U32 nPortIndex;       /**< Port that this structure applies to */
    858    OMX_U32 nMidiEventSize;   /**< Size of immediate MIDI events or MIP message in bytes  */
    859    OMX_U8 nMidiEvents[1];    /**< MIDI event array to be rendered immediately, or an
    860                                   array for the MIP message buffer, where the size is
    861                                   indicated by nMidiEventSize */
    862 } OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE;
    863 
    864 
    865 /** MIDI sound bank/ program pair in a given channel
    866 * @ingroup midi
    867 */
    868 typedef struct OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE {
    869    OMX_U32 nSize;              /**< size of the structure in bytes */
    870    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
    871    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
    872    OMX_U32 nChannel;           /**< Valid channel values range from 1 to 16 */
    873    OMX_U16 nIDProgram;         /**< Valid program ID range is 1 to 128 */
    874    OMX_U16 nIDSoundBank;       /**< Sound bank ID */
    875    OMX_U32 nUserSoundBankIndex;/**< User soundbank index, easier to access soundbanks
    876                                     by index if multiple banks are present */
    877 } OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE;
    878 
    879 
    880 /** MIDI control
    881 * @ingroup midi
    882 */
    883 typedef struct OMX_AUDIO_CONFIG_MIDICONTROLTYPE {
    884    OMX_U32 nSize;                /**< size of the structure in bytes */
    885    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
    886    OMX_U32 nPortIndex;           /**< port that this structure applies to */
    887    OMX_BS32 sPitchTransposition; /**< Pitch transposition in semitones, stored as Q22.10
    888                                       format based on JAVA MMAPI (JSR-135) requirement */
    889    OMX_BU32 sPlayBackRate;       /**< Relative playback rate, stored as Q14.17 fixed-point
    890                                       number based on JSR-135 requirement */
    891    OMX_BU32 sTempo ;             /**< Tempo in beats per minute (BPM), stored as Q22.10
    892                                       fixed-point number based on JSR-135 requirement */
    893    OMX_U32 nMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic
    894                                       voices. A value of zero indicates that the default
    895                                       polyphony of the device is used  */
    896    OMX_U32 nNumRepeat;           /**< Number of times to repeat playback */
    897    OMX_U32 nStopTime;            /**< Time in milliseconds to indicate when playback
    898                                       will stop automatically.  Set to zero if not used */
    899    OMX_U16 nChannelMuteMask;     /**< 16 bit mask for channel mute status */
    900    OMX_U16 nChannelSoloMask;     /**< 16 bit mask for channel solo status */
    901    OMX_U32 nTrack0031MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 0-31 */
    902    OMX_U32 nTrack3263MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 32-63 */
    903    OMX_U32 nTrack0031SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 0-31 */
    904    OMX_U32 nTrack3263SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 32-63 */
    905 
    906 } OMX_AUDIO_CONFIG_MIDICONTROLTYPE;
    907 
    908 
    909 /** MIDI Playback States
    910 * @ingroup midi
    911 */
    912 typedef enum OMX_AUDIO_MIDIPLAYBACKSTATETYPE {
    913  OMX_AUDIO_MIDIPlayBackStateUnknown = 0,      /**< Unknown state or state does not map to
    914  													other defined states */
    915  OMX_AUDIO_MIDIPlayBackStateClosedEngaged,    /**< No MIDI resource is currently open.
    916                                                    The MIDI engine is currently processing
    917                                                    MIDI events. */
    918  OMX_AUDIO_MIDIPlayBackStateParsing,          /**< A MIDI resource is open and is being
    919                                                    primed. The MIDI engine is currently
    920                                                    processing MIDI events. */
    921  OMX_AUDIO_MIDIPlayBackStateOpenEngaged,      /**< A MIDI resource is open and primed but
    922                                                    not playing. The MIDI engine is currently
    923                                                    processing MIDI events. The transition to
    924                                                    this state is only possible from the
    925                                                    OMX_AUDIO_MIDIPlayBackStatePlaying state,
    926                                                    when the 'playback head' reaches the end
    927                                                    of media data or the playback stops due
    928                                                    to stop time set.*/
    929  OMX_AUDIO_MIDIPlayBackStatePlaying,          /**< A MIDI resource is open and currently
    930                                                    playing. The MIDI engine is currently
    931                                                    processing MIDI events.*/
    932  OMX_AUDIO_MIDIPlayBackStatePlayingPartially, /**< Best-effort playback due to SP-MIDI/DLS
    933                                                    resource constraints */
    934  OMX_AUDIO_MIDIPlayBackStatePlayingSilently,  /**< Due to system resource constraints and
    935                                                    SP-MIDI content constraints, there is
    936                                                    no audible MIDI content during playback
    937                                                    currently. The situation may change if
    938                                                    resources are freed later.*/
    939  OMX_AUDIO_MIDIPlayBackStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
    940  OMX_AUDIO_MIDIPlayBackStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
    941  OMX_AUDIO_MIDIPlayBackStateMax = 0x7FFFFFFF
    942 } OMX_AUDIO_MIDIPLAYBACKSTATETYPE;
    943 
    944 
    945 /** MIDI status
    946 * @ingroup midi
    947 */
    948 typedef struct OMX_AUDIO_CONFIG_MIDISTATUSTYPE {
    949    OMX_U32 nSize;              /**< size of the structure in bytes */
    950    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
    951    OMX_U32 nPortIndex;         /**< port that this structure applies to */
    952    OMX_U16 nNumTracks;         /**< Number of MIDI tracks in the file, read only field.
    953                                     NOTE: May not return a meaningful value until the entire
    954                                     file is parsed and buffered.  */
    955    OMX_U32 nDuration;          /**< The length of the currently open MIDI resource
    956                                     in milliseconds. NOTE: May not return a meaningful value
    957                                     until the entire file is parsed and buffered.  */
    958    OMX_U32 nPosition;          /**< Current Position of the MIDI resource being played
    959                                     in milliseconds */
    960    OMX_BOOL bVibra;            /**< Does Vibra track exist? NOTE: May not return a meaningful
    961                                     value until the entire file is parsed and buffered. */
    962    OMX_U32 nNumMetaEvents;     /**< Total number of MIDI Meta Events in the currently
    963                                     open MIDI resource. NOTE: May not return a meaningful value
    964                                     until the entire file is parsed and buffered.  */
    965    OMX_U32 nNumActiveVoices;   /**< Number of active voices in the currently playing
    966                                     MIDI resource. NOTE: May not return a meaningful value until
    967                                     the entire file is parsed and buffered. */
    968    OMX_AUDIO_MIDIPLAYBACKSTATETYPE eMIDIPlayBackState;  /**< MIDI playback state enumeration, read only field */
    969 } OMX_AUDIO_CONFIG_MIDISTATUSTYPE;
    970 
    971 
    972 /** MIDI Meta Event structure one per Meta Event.
    973 *  MIDI Meta Events are like audio metadata, except that they are interspersed
    974 *  with the MIDI content throughout the file and are not localized in the header.
    975 *  As such, it is necessary to retrieve information about these Meta Events from
    976 *  the engine, as it encounters these Meta Events within the MIDI content.
    977 *  For example, SMF files can have up to 14 types of MIDI Meta Events (copyright,
    978 *  author, default tempo, etc.) scattered throughout the file.
    979 *  @ingroup midi
    980 */
    981 typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE{
    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_U32 nIndex;           /**< Index of Meta Event */
    986    OMX_U8 nMetaEventType;    /**< Meta Event Type, 7bits (i.e. 0 - 127) */
    987    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
    988    OMX_U32 nTrack;           /**< track number for the meta event */
    989    OMX_U32 nPosition;        /**< Position of the meta-event in milliseconds */
    990 } OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE;
    991 
    992 
    993 /** MIDI Meta Event Data structure - one per Meta Event.
    994 * @ingroup midi
    995 */
    996 typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTDATATYPE{
    997    OMX_U32 nSize;            /**< size of the structure in bytes */
    998    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
    999    OMX_U32 nPortIndex;       /**< port that this structure applies to */
   1000    OMX_U32 nIndex;           /**< Index of Meta Event */
   1001    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */
   1002    OMX_U8 nData[1];          /**< array of one or more bytes of meta data
   1003                                   as indicated by the nMetaEventSize field */
   1004 } OMX_AUDIO_CONFIG__MIDIMETAEVENTDATATYPE;
   1005 
   1006 
   1007 /** Audio Volume adjustment for a port */
   1008 typedef struct OMX_AUDIO_CONFIG_VOLUMETYPE {
   1009    OMX_U32 nSize;              /**< size of the structure in bytes */
   1010    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
   1011    OMX_U32 nPortIndex;         /**< Port index indicating which port to
   1012                                     set.  Select the input port to set
   1013                                     just that port's volume.  Select the
   1014                                     output port to adjust the master
   1015                                     volume. */
   1016    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100)
   1017                                     or logarithmic scale (mB) */
   1018    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
   1019                                     Volume logarithmic setting for this port.  The values
   1020                                     for volume are in mB (millibels = 1/100 dB) relative
   1021                                     to a gain of 1 (e.g. the output is the same as the
   1022                                     input level).  Values are in mB from nMax
   1023                                     (maximum volume) to nMin mB (typically negative).
   1024                                     Since the volume is "voltage"
   1025                                     and not a "power", it takes a setting of
   1026                                     -600 mB to decrease the volume by 1/2.  If
   1027                                     a component cannot accurately set the
   1028                                     volume to the requested value, it must
   1029                                     set the volume to the closest value BELOW
   1030                                     the requested value.  When getting the
   1031                                     volume setting, the current actual volume
   1032                                     must be returned. */
   1033 } OMX_AUDIO_CONFIG_VOLUMETYPE;
   1034 
   1035 
   1036 /** Audio Volume adjustment for a channel */
   1037 typedef struct OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE {
   1038    OMX_U32 nSize;              /**< size of the structure in bytes */
   1039    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
   1040    OMX_U32 nPortIndex;         /**< Port index indicating which port to
   1041                                     set.  Select the input port to set
   1042                                     just that port's volume.  Select the
   1043                                     output port to adjust the master
   1044                                     volume. */
   1045    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
   1046                                     using OMX_ALL to apply volume settings
   1047                                     to all channels */
   1048    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100) or
   1049                                     logarithmic scale (mB) */
   1050    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
   1051                                     Volume logarithmic setting for this port.
   1052                                     The values for volume are in mB
   1053                                     (millibels = 1/100 dB) relative to a gain
   1054                                     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_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
   1067                                     FALSE otherwise */
   1068 } OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE;
   1069 
   1070 
   1071 /** Audio balance setting */
   1072 typedef struct OMX_AUDIO_CONFIG_BALANCETYPE {
   1073    OMX_U32 nSize;              /**< size of the structure in bytes */
   1074    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
   1075    OMX_U32 nPortIndex;         /**< Port index indicating which port to
   1076                                     set.  Select the input port to set
   1077                                     just that port's balance.  Select the
   1078                                     output port to adjust the master
   1079                                     balance. */
   1080    OMX_S32 nBalance;           /**< balance setting for this port
   1081                                     (-100 to 100, where -100 indicates
   1082                                     all left, and no right */
   1083 } OMX_AUDIO_CONFIG_BALANCETYPE;
   1084 
   1085 
   1086 /** Audio Port mute */
   1087 typedef struct OMX_AUDIO_CONFIG_MUTETYPE {
   1088    OMX_U32 nSize;              /**< size of the structure in bytes */
   1089    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
   1090    OMX_U32 nPortIndex;         /**< Port index indicating which port to
   1091                                     set.  Select the input port to set
   1092                                     just that port's mute.  Select the
   1093                                     output port to adjust the master
   1094                                     mute. */
   1095    OMX_BOOL bMute;             /**< Mute setting for this port */
   1096 } OMX_AUDIO_CONFIG_MUTETYPE;
   1097 
   1098 
   1099 /** Audio Channel mute */
   1100 typedef struct OMX_AUDIO_CONFIG_CHANNELMUTETYPE {
   1101    OMX_U32 nSize;              /**< size of the structure in bytes */
   1102    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
   1103    OMX_U32 nPortIndex;         /**< port that this structure applies to */
   1104    OMX_U32 nChannel;           /**< channel to select from 0 to N-1,
   1105                                     using OMX_ALL to apply mute settings
   1106                                     to all channels */
   1107    OMX_BOOL bMute;             /**< Mute setting for this channel */
   1108    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
   1109                                     FALSE otherwise */
   1110 } OMX_AUDIO_CONFIG_CHANNELMUTETYPE;
   1111 
   1112 
   1113 
   1114 /** Enable / Disable for loudness control, which boosts bass and to a
   1115 *  smaller extent high end frequencies to compensate for hearing
   1116 *  ability at the extreme ends of the audio spectrum
   1117 */
   1118 typedef struct OMX_AUDIO_CONFIG_LOUDNESSTYPE {
   1119    OMX_U32 nSize;             /**< size of the structure in bytes */
   1120    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1121    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1122    OMX_BOOL bLoudness;        /**< Enable/disable for loudness */
   1123 } OMX_AUDIO_CONFIG_LOUDNESSTYPE;
   1124 
   1125 
   1126 /** Enable / Disable for bass, which controls low frequencies
   1127 */
   1128 typedef struct OMX_AUDIO_CONFIG_BASSTYPE {
   1129    OMX_U32 nSize;             /**< size of the structure in bytes */
   1130    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1131    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1132    OMX_BOOL bEnable;          /**< Enable/disable for bass control */
   1133    OMX_S32 nBass;             /**< bass setting for the port, as a
   1134                                    continuous value from -100 to 100
   1135                                    (0 means no change in bass level)*/
   1136 } OMX_AUDIO_CONFIG_BASSTYPE;
   1137 
   1138 
   1139 /** Enable / Disable for treble, which controls high frequencies tones
   1140 */
   1141 typedef struct OMX_AUDIO_CONFIG_TREBLETYPE {
   1142    OMX_U32 nSize;             /**< size of the structure in bytes */
   1143    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1144    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1145    OMX_BOOL bEnable;          /**< Enable/disable for treble control */
   1146    OMX_S32  nTreble;          /**< treble setting for the port, as a
   1147                                    continuous value from -100 to 100
   1148                                    (0 means no change in treble level) */
   1149 } OMX_AUDIO_CONFIG_TREBLETYPE;
   1150 
   1151 
   1152 /** An equalizer is typically used for two reasons: to compensate for an
   1153 *  sub-optimal frequency response of a system to make it sound more natural
   1154 *  or to create intentionally some unnatural coloring to the sound to create
   1155 *  an effect.
   1156 *  @ingroup effects
   1157 */
   1158 typedef struct OMX_AUDIO_CONFIG_EQUALIZERTYPE {
   1159    OMX_U32 nSize;             /**< size of the structure in bytes */
   1160    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1161    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1162    OMX_BOOL bEnable;          /**< Enable/disable for equalizer */
   1163    OMX_BU32 sBandIndex;       /**< Band number to be set.  Upper Limit is
   1164                                    N-1, where N is the number of bands, lower limit is 0 */
   1165    OMX_BU32 sCenterFreq;      /**< Center frequecies in Hz.  This is a
   1166                                    read only element and is used to determine
   1167                                    the lower, center and upper frequency of
   1168                                    this band.  */
   1169    OMX_BS32 sBandLevel;       /**< band level in millibels */
   1170 } OMX_AUDIO_CONFIG_EQUALIZERTYPE;
   1171 
   1172 
   1173 /** Stereo widening mode type
   1174 * @ingroup effects
   1175 */
   1176 typedef enum OMX_AUDIO_STEREOWIDENINGTYPE {
   1177    OMX_AUDIO_StereoWideningHeadphones,    /**< Stereo widening for loudspeakers */
   1178    OMX_AUDIO_StereoWideningLoudspeakers,  /**< Stereo widening for closely spaced loudspeakers */
   1179    OMX_AUDIO_StereoWideningKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
   1180    OMX_AUDIO_StereoWideningVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
   1181    OMX_AUDIO_StereoWideningMax = 0x7FFFFFFF
   1182 } OMX_AUDIO_STEREOWIDENINGTYPE;
   1183 
   1184 
   1185 /** Control for stereo widening, which is a special 2-channel
   1186 *  case of the audio virtualizer effect. For example, for 5.1-channel
   1187 *  output, it translates to virtual surround sound.
   1188 * @ingroup effects
   1189 */
   1190 typedef struct OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE {
   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 stereo widening control */
   1195    OMX_AUDIO_STEREOWIDENINGTYPE eWideningType; /**< Stereo widening algorithm type */
   1196    OMX_U32  nStereoWidening;  /**< stereo widening setting for the port,
   1197                                    as a continuous value from 0 to 100  */
   1198 } OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE;
   1199 
   1200 
   1201 /** The chorus effect (or ``choralizer'') is any signal processor which makes
   1202 *  one sound source (such as a voice) sound like many such sources singing
   1203 *  (or playing) in unison. Since performance in unison is never exact, chorus
   1204 *  effects simulate this by making independently modified copies of the input
   1205 *  signal. Modifications may include (1) delay, (2) frequency shift, and
   1206 *  (3) amplitude modulation.
   1207 * @ingroup effects
   1208 */
   1209 typedef struct OMX_AUDIO_CONFIG_CHORUSTYPE {
   1210    OMX_U32 nSize;             /**< size of the structure in bytes */
   1211    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1212    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1213    OMX_BOOL bEnable;          /**< Enable/disable for chorus */
   1214    OMX_BU32 sDelay;           /**< average delay in milliseconds */
   1215    OMX_BU32 sModulationRate;  /**< rate of modulation in millihertz */
   1216    OMX_U32 nModulationDepth;  /**< depth of modulation as a percentage of
   1217                                    delay (i.e. 0 to 100) */
   1218    OMX_BU32 nFeedback;        /**< Feedback from chorus output to input in percentage */
   1219 } OMX_AUDIO_CONFIG_CHORUSTYPE;
   1220 
   1221 
   1222 /** Reverberation is part of the reflected sound that follows the early
   1223 *  reflections. In a typical room, this consists of a dense succession of
   1224 *  echoes whose energy decays exponentially. The reverberation effect structure
   1225 *  as defined here includes both (early) reflections as well as (late) reverberations.
   1226 * @ingroup effects
   1227 */
   1228 typedef struct OMX_AUDIO_CONFIG_REVERBERATIONTYPE {
   1229    OMX_U32 nSize;                /**< size of the structure in bytes */
   1230    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
   1231    OMX_U32 nPortIndex;           /**< port that this structure applies to */
   1232    OMX_BOOL bEnable;             /**< Enable/disable for reverberation control */
   1233    OMX_BS32 sRoomLevel;          /**< Intensity level for the whole room effect
   1234                                       (i.e. both early reflections and late
   1235                                       reverberation) in millibels */
   1236    OMX_BS32 sRoomHighFreqLevel;  /**< Attenuation at high frequencies
   1237                                       relative to the intensity at low
   1238                                       frequencies in millibels */
   1239    OMX_BS32 sReflectionsLevel;   /**< Intensity level of early reflections
   1240                                       (relative to room value), in millibels */
   1241    OMX_BU32 sReflectionsDelay;   /**< Delay time of the first reflection relative
   1242                                       to the direct path, in milliseconds */
   1243    OMX_BS32 sReverbLevel;        /**< Intensity level of late reverberation
   1244                                       relative to room level, in millibels */
   1245    OMX_BU32 sReverbDelay;        /**< Time delay from the first early reflection
   1246                                       to the beginning of the late reverberation
   1247                                       section, in milliseconds */
   1248    OMX_BU32 sDecayTime;          /**< Late reverberation decay time at low
   1249                                       frequencies, in milliseconds */
   1250    OMX_BU32 nDecayHighFreqRatio; /**< Ratio of high frequency decay time relative
   1251                                       to low frequency decay time in percent  */
   1252    OMX_U32 nDensity;             /**< Modal density in the late reverberation decay,
   1253                                       in percent (i.e. 0 - 100) */
   1254    OMX_U32 nDiffusion;           /**< Echo density in the late reverberation decay,
   1255                                       in percent (i.e. 0 - 100) */
   1256    OMX_BU32 sReferenceHighFreq;  /**< Reference high frequency in Hertz. This is
   1257                                       the frequency used as the reference for all
   1258                                       the high-frequency settings above */
   1259 
   1260 } OMX_AUDIO_CONFIG_REVERBERATIONTYPE;
   1261 
   1262 
   1263 /** Possible settings for the Echo Cancelation structure to use
   1264 * @ingroup effects
   1265 */
   1266 typedef enum OMX_AUDIO_ECHOCANTYPE {
   1267   OMX_AUDIO_EchoCanOff = 0,    /**< Echo Cancellation is disabled */
   1268   OMX_AUDIO_EchoCanNormal,     /**< Echo Cancellation normal operation -
   1269                                     echo from plastics and face */
   1270   OMX_AUDIO_EchoCanHFree,      /**< Echo Cancellation optimized for
   1271                                     Hands Free operation */
   1272   OMX_AUDIO_EchoCanCarKit,    /**< Echo Cancellation optimized for
   1273                                     Car Kit (longer echo) */
   1274   OMX_AUDIO_EchoCanKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
   1275   OMX_AUDIO_EchoCanVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
   1276   OMX_AUDIO_EchoCanMax = 0x7FFFFFFF
   1277 } OMX_AUDIO_ECHOCANTYPE;
   1278 
   1279 
   1280 /** Enable / Disable for echo cancelation, which removes undesired echo's
   1281 *  from the audio
   1282 * @ingroup effects
   1283 */
   1284 typedef struct OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE {
   1285    OMX_U32 nSize;             /**< size of the structure in bytes */
   1286    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1287    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1288    OMX_AUDIO_ECHOCANTYPE eEchoCancelation; /**< Echo cancelation settings */
   1289 } OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE;
   1290 
   1291 
   1292 /** Enable / Disable for noise reduction, which undesired noise from
   1293 * the audio
   1294 * @ingroup effects
   1295 */
   1296 typedef struct OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE {
   1297    OMX_U32 nSize;             /**< size of the structure in bytes */
   1298    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
   1299    OMX_U32 nPortIndex;        /**< port that this structure applies to */
   1300    OMX_BOOL bNoiseReduction;  /**< Enable/disable for noise reduction */
   1301 } OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE;
   1302 
   1303 /** @} */
   1304 
   1305 #ifdef __cplusplus
   1306 }
   1307 #endif /* __cplusplus */
   1308 
   1309 #endif
   1310 /* File EOF */