omxil/omxilapi/v1_x/OMX_Audio.h
changeset 0 40261b775718
child 16 eedf2dcd43c6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxil/omxilapi/v1_x/OMX_Audio.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,1312 @@
+/*
+ * Copyright (c) 2008 The Khronos Group Inc. 
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions: 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software. 
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
+ *
+ */
+
+/** @file 
+ *  OpenMax IL version 1.1.2
+ *  The structures needed by Audio components to exchange
+ *  parameters and configuration data with the componenmilts.
+ */
+
+#ifndef OMX_Audio_h
+#define OMX_Audio_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/* Each OMX header must include all required header files to allow the
+ *  header to compile without errors.  The includes below are required
+ *  for this header file to compile successfully 
+ */
+
+#include <openmax/il/khronos/v1_x/OMX_Core.h>
+
+/** @defgroup midi MIDI
+ * @ingroup audio
+ */
+ 
+/** @defgroup effects Audio effects
+ * @ingroup audio
+ */
+
+/** @defgroup audio OpenMAX IL Audio Domain
+ * Structures for OpenMAX IL Audio domain
+ * @{
+ */
+
+/** Enumeration used to define the possible audio codings.  
+ *  If "OMX_AUDIO_CodingUnused" is selected, the coding selection must 
+ *  be done in a vendor specific way.  Since this is for an audio 
+ *  processing element this enum is relevant.  However, for another 
+ *  type of component other enums would be in this area.
+ */
+typedef enum OMX_AUDIO_CODINGTYPE {
+    OMX_AUDIO_CodingUnused = 0,  /**< Placeholder value when coding is N/A  */
+    OMX_AUDIO_CodingAutoDetect,  /**< auto detection of audio format */
+    OMX_AUDIO_CodingPCM,         /**< Any variant of PCM coding */
+    OMX_AUDIO_CodingADPCM,       /**< Any variant of ADPCM encoded data */
+    OMX_AUDIO_CodingAMR,         /**< Any variant of AMR encoded data */
+    OMX_AUDIO_CodingGSMFR,       /**< Any variant of GSM fullrate (i.e. GSM610) */
+    OMX_AUDIO_CodingGSMEFR,      /**< Any variant of GSM Enhanced Fullrate encoded data*/
+    OMX_AUDIO_CodingGSMHR,       /**< Any variant of GSM Halfrate encoded data */
+    OMX_AUDIO_CodingPDCFR,       /**< Any variant of PDC Fullrate encoded data */
+    OMX_AUDIO_CodingPDCEFR,      /**< Any variant of PDC Enhanced Fullrate encoded data */
+    OMX_AUDIO_CodingPDCHR,       /**< Any variant of PDC Halfrate encoded data */
+    OMX_AUDIO_CodingTDMAFR,      /**< Any variant of TDMA Fullrate encoded data (TIA/EIA-136-420) */
+    OMX_AUDIO_CodingTDMAEFR,     /**< Any variant of TDMA Enhanced Fullrate encoded data (TIA/EIA-136-410) */
+    OMX_AUDIO_CodingQCELP8,      /**< Any variant of QCELP 8kbps encoded data */
+    OMX_AUDIO_CodingQCELP13,     /**< Any variant of QCELP 13kbps encoded data */
+    OMX_AUDIO_CodingEVRC,        /**< Any variant of EVRC encoded data */
+    OMX_AUDIO_CodingSMV,         /**< Any variant of SMV encoded data */
+    OMX_AUDIO_CodingG711,        /**< Any variant of G.711 encoded data */
+    OMX_AUDIO_CodingG723,        /**< Any variant of G.723 dot 1 encoded data */
+    OMX_AUDIO_CodingG726,        /**< Any variant of G.726 encoded data */
+    OMX_AUDIO_CodingG729,        /**< Any variant of G.729 encoded data */
+    OMX_AUDIO_CodingAAC,         /**< Any variant of AAC encoded data */
+    OMX_AUDIO_CodingMP3,         /**< Any variant of MP3 encoded data */
+    OMX_AUDIO_CodingSBC,         /**< Any variant of SBC encoded data */
+    OMX_AUDIO_CodingVORBIS,      /**< Any variant of VORBIS encoded data */
+    OMX_AUDIO_CodingWMA,         /**< Any variant of WMA encoded data */
+    OMX_AUDIO_CodingRA,          /**< Any variant of RA encoded data */
+    OMX_AUDIO_CodingMIDI,        /**< Any variant of MIDI encoded data */
+    OMX_AUDIO_CodingKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_CodingVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_CodingMax = 0x7FFFFFFF
+} OMX_AUDIO_CODINGTYPE;
+
+
+/** The PortDefinition structure is used to define all of the parameters 
+ *  necessary for the compliant component to setup an input or an output audio 
+ *  path.  If additional information is needed to define the parameters of the
+ *  port (such as frequency), additional structures must be sent such as the
+ *  OMX_AUDIO_PARAM_PCMMODETYPE structure to supply the extra parameters for the port.
+ */
+typedef struct OMX_AUDIO_PORTDEFINITIONTYPE {
+    OMX_STRING cMIMEType;            /**< MIME type of data for the port */
+    OMX_NATIVE_DEVICETYPE pNativeRender; /** < platform specific reference
+                                               for an output device, 
+                                               otherwise this field is 0 */
+    OMX_BOOL bFlagErrorConcealment;  /**< Turns on error concealment if it is 
+                                          supported by the OMX component */
+    OMX_AUDIO_CODINGTYPE eEncoding;  /**< Type of data expected for this 
+                                          port (e.g. PCM, AMR, MP3, etc) */
+} OMX_AUDIO_PORTDEFINITIONTYPE;
+
+
+/**  Port format parameter.  This structure is used to enumerate
+  *  the various data input/output format supported by the port.
+  */
+typedef struct OMX_AUDIO_PARAM_PORTFORMATTYPE {
+    OMX_U32 nSize;                  /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;       /**< OMX specification version information */
+    OMX_U32 nPortIndex;             /**< Indicates which port to set */
+    OMX_U32 nIndex;                 /**< Indicates the enumeration index for the format from 0x0 to N-1 */
+    OMX_AUDIO_CODINGTYPE eEncoding; /**< Type of data expected for this port (e.g. PCM, AMR, MP3, etc) */
+} OMX_AUDIO_PARAM_PORTFORMATTYPE;
+
+
+/** PCM mode type  */ 
+typedef enum OMX_AUDIO_PCMMODETYPE { 
+    OMX_AUDIO_PCMModeLinear = 0,  /**< Linear PCM encoded data */ 
+    OMX_AUDIO_PCMModeALaw,        /**< A law PCM encoded data (G.711) */ 
+    OMX_AUDIO_PCMModeMULaw,       /**< Mu law PCM encoded data (G.711)  */ 
+    OMX_AUDIO_PCMModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_PCMModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_PCMModeMax = 0x7FFFFFFF 
+} OMX_AUDIO_PCMMODETYPE; 
+
+
+typedef enum OMX_AUDIO_CHANNELTYPE {
+    OMX_AUDIO_ChannelNone = 0x0,    /**< Unused or empty */
+    OMX_AUDIO_ChannelLF   = 0x1,    /**< Left front */
+    OMX_AUDIO_ChannelRF   = 0x2,    /**< Right front */
+    OMX_AUDIO_ChannelCF   = 0x3,    /**< Center front */
+    OMX_AUDIO_ChannelLS   = 0x4,    /**< Left surround */
+    OMX_AUDIO_ChannelRS   = 0x5,    /**< Right surround */
+    OMX_AUDIO_ChannelLFE  = 0x6,    /**< Low frequency effects */
+    OMX_AUDIO_ChannelCS   = 0x7,    /**< Back surround */
+    OMX_AUDIO_ChannelLR   = 0x8,    /**< Left rear. */
+    OMX_AUDIO_ChannelRR   = 0x9,    /**< Right rear. */
+    OMX_AUDIO_ChannelKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_ChannelVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_ChannelMax  = 0x7FFFFFFF 
+} OMX_AUDIO_CHANNELTYPE;
+
+#define OMX_AUDIO_MAXCHANNELS 16  /**< maximum number distinct audio channels that a buffer may contain */
+#define OMX_MIN_PCMPAYLOAD_MSEC 5 /**< Minimum audio buffer payload size for uncompressed (PCM) audio */
+
+/** PCM format description */ 
+typedef struct OMX_AUDIO_PARAM_PCMMODETYPE { 
+    OMX_U32 nSize;                    /**< Size of this structure, in Bytes */ 
+    OMX_VERSIONTYPE nVersion;         /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;               /**< port that this structure applies to */ 
+    OMX_U32 nChannels;                /**< Number of channels (e.g. 2 for stereo) */ 
+    OMX_NUMERICALDATATYPE eNumData;   /**< indicates PCM data as signed or unsigned */ 
+    OMX_ENDIANTYPE eEndian;           /**< indicates PCM data as little or big endian */ 
+    OMX_BOOL bInterleaved;            /**< True for normal interleaved data; false for 
+                                           non-interleaved data (e.g. block data) */ 
+    OMX_U32 nBitPerSample;            /**< Bit per sample */ 
+    OMX_U32 nSamplingRate;            /**< Sampling rate of the source data.  Use 0 for 
+                                           variable or unknown sampling rate. */ 
+    OMX_AUDIO_PCMMODETYPE ePCMMode;   /**< PCM mode enumeration */ 
+    OMX_AUDIO_CHANNELTYPE eChannelMapping[OMX_AUDIO_MAXCHANNELS]; /**< Slot i contains channel defined by eChannelMap[i] */
+
+} OMX_AUDIO_PARAM_PCMMODETYPE; 
+
+
+/** Audio channel mode.  This is used by both AAC and MP3, although the names are more appropriate
+ * for the MP3.  For example, JointStereo for MP3 is CouplingChannels for AAC. 
+ */
+typedef enum OMX_AUDIO_CHANNELMODETYPE {
+    OMX_AUDIO_ChannelModeStereo = 0,  /**< 2 channels, the bitrate allocation between those 
+                                          two channels changes accordingly to each channel information */
+    OMX_AUDIO_ChannelModeJointStereo, /**< mode that takes advantage of what is common between 
+                                           2 channels for higher compression gain */
+    OMX_AUDIO_ChannelModeDual,        /**< 2 mono-channels, each channel is encoded with half 
+                                           the bitrate of the overall bitrate */
+    OMX_AUDIO_ChannelModeMono,        /**< Mono channel mode */
+    OMX_AUDIO_ChannelModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_ChannelModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_ChannelModeMax = 0x7FFFFFFF
+} OMX_AUDIO_CHANNELMODETYPE;
+
+
+typedef enum OMX_AUDIO_MP3STREAMFORMATTYPE {
+    OMX_AUDIO_MP3StreamFormatMP1Layer3 = 0, /**< MP3 Audio MPEG 1 Layer 3 Stream format */
+    OMX_AUDIO_MP3StreamFormatMP2Layer3,     /**< MP3 Audio MPEG 2 Layer 3 Stream format */
+    OMX_AUDIO_MP3StreamFormatMP2_5Layer3,   /**< MP3 Audio MPEG2.5 Layer 3 Stream format */
+    OMX_AUDIO_MP3StreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_MP3StreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_MP3StreamFormatMax = 0x7FFFFFFF
+} OMX_AUDIO_MP3STREAMFORMATTYPE;
+
+/** MP3 params */
+typedef struct OMX_AUDIO_PARAM_MP3TYPE {
+    OMX_U32 nSize;                 /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
+    OMX_U32 nPortIndex;            /**< port that this structure applies to */
+    OMX_U32 nChannels;             /**< Number of channels */
+    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
+                                        rate or unknown bit rates */
+    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
+                                        variable or unknown sampling rate. */
+    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
+                                        limit the audio signal. Use 0 to let encoder decide */
+    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
+    OMX_AUDIO_MP3STREAMFORMATTYPE eFormat;  /**< MP3 stream format */
+} OMX_AUDIO_PARAM_MP3TYPE;
+
+
+typedef enum OMX_AUDIO_AACSTREAMFORMATTYPE {
+    OMX_AUDIO_AACStreamFormatMP2ADTS = 0, /**< AAC Audio Data Transport Stream 2 format */
+    OMX_AUDIO_AACStreamFormatMP4ADTS,     /**< AAC Audio Data Transport Stream 4 format */
+    OMX_AUDIO_AACStreamFormatMP4LOAS,     /**< AAC Low Overhead Audio Stream format */
+    OMX_AUDIO_AACStreamFormatMP4LATM,     /**< AAC Low overhead Audio Transport Multiplex */
+    OMX_AUDIO_AACStreamFormatADIF,        /**< AAC Audio Data Interchange Format */
+    OMX_AUDIO_AACStreamFormatMP4FF,       /**< AAC inside MPEG-4/ISO File Format */
+    OMX_AUDIO_AACStreamFormatRAW,         /**< AAC Raw Format */
+    OMX_AUDIO_AACStreamFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_AACStreamFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_AACStreamFormatMax = 0x7FFFFFFF
+} OMX_AUDIO_AACSTREAMFORMATTYPE;
+
+
+/** AAC mode type.  Note that the term profile is used with the MPEG-2
+ * standard and the term object type and profile is used with MPEG-4 */
+typedef enum OMX_AUDIO_AACPROFILETYPE{
+  OMX_AUDIO_AACObjectNull = 0,      /**< Null, not used */
+  OMX_AUDIO_AACObjectMain = 1,      /**< AAC Main object */
+  OMX_AUDIO_AACObjectLC,            /**< AAC Low Complexity object (AAC profile) */
+  OMX_AUDIO_AACObjectSSR,           /**< AAC Scalable Sample Rate object */
+  OMX_AUDIO_AACObjectLTP,           /**< AAC Long Term Prediction object */
+  OMX_AUDIO_AACObjectHE,            /**< AAC High Efficiency (object type SBR, HE-AAC profile) */
+  OMX_AUDIO_AACObjectScalable,      /**< AAC Scalable object */
+  OMX_AUDIO_AACObjectERLC = 17,     /**< ER AAC Low Complexity object (Error Resilient AAC-LC) */
+  OMX_AUDIO_AACObjectLD = 23,       /**< AAC Low Delay object (Error Resilient) */
+  OMX_AUDIO_AACObjectHE_PS = 29,    /**< AAC High Efficiency with Parametric Stereo coding (HE-AAC v2, object type PS) */
+  OMX_AUDIO_AACObjectKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+  OMX_AUDIO_AACObjectVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+  OMX_AUDIO_AACObjectMax = 0x7FFFFFFF
+} OMX_AUDIO_AACPROFILETYPE;
+
+
+/** AAC tool usage (for nAACtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
+ * Required for encoder configuration and optional as decoder info output.
+ * For MP3, OMX_AUDIO_CHANNELMODETYPE is sufficient. */
+#define OMX_AUDIO_AACToolNone 0x00000000 /**< no AAC tools allowed (encoder config) or active (decoder info output) */
+#define OMX_AUDIO_AACToolMS   0x00000001 /**< MS: Mid/side joint coding tool allowed or active */
+#define OMX_AUDIO_AACToolIS   0x00000002 /**< IS: Intensity stereo tool allowed or active */
+#define OMX_AUDIO_AACToolTNS  0x00000004 /**< TNS: Temporal Noise Shaping tool allowed or active */
+#define OMX_AUDIO_AACToolPNS  0x00000008 /**< PNS: MPEG-4 Perceptual Noise substitution tool allowed or active */
+#define OMX_AUDIO_AACToolLTP  0x00000010 /**< LTP: MPEG-4 Long Term Prediction tool allowed or active */
+#define OMX_AUDIO_AACToolAll  0x7FFFFFFF /**< all AAC tools allowed or active (*/
+
+/** MPEG-4 AAC error resilience (ER) tool usage (for nAACERtools in OMX_AUDIO_PARAM_AACPROFILETYPE).
+ * Required for ER encoder configuration and optional as decoder info output */
+#define OMX_AUDIO_AACERNone  0x00000000  /**< no AAC ER tools allowed/used */
+#define OMX_AUDIO_AACERVCB11 0x00000001  /**< VCB11: Virtual Code Books for AAC section data */
+#define OMX_AUDIO_AACERRVLC  0x00000002  /**< RVLC: Reversible Variable Length Coding */
+#define OMX_AUDIO_AACERHCR   0x00000004  /**< HCR: Huffman Codeword Reordering */
+#define OMX_AUDIO_AACERAll   0x7FFFFFFF  /**< all AAC ER tools allowed/used */
+
+
+/** AAC params */
+typedef struct OMX_AUDIO_PARAM_AACPROFILETYPE {
+    OMX_U32 nSize;                 /**< Size of this structure, in Bytes */
+    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
+    OMX_U32 nPortIndex;            /**< Port that this structure applies to */
+    OMX_U32 nChannels;             /**< Number of channels */
+    OMX_U32 nSampleRate;           /**< Sampling rate of the source data.  Use 0 for
+                                        variable or unknown sampling rate. */
+    OMX_U32 nBitRate;              /**< Bit rate of the input data.  Use 0 for variable
+                                        rate or unknown bit rates */
+    OMX_U32 nAudioBandWidth;       /**< Audio band width (in Hz) to which an encoder should
+                                        limit the audio signal. Use 0 to let encoder decide */
+    OMX_U32 nFrameLength;          /**< Frame length (in audio samples per channel) of the codec.
+                                        Can be 1024 or 960 (AAC-LC), 2048 (HE-AAC), 480 or 512 (AAC-LD).
+                                        Use 0 to let encoder decide */
+    OMX_U32 nAACtools;             /**< AAC tool usage */
+    OMX_U32 nAACERtools;           /**< MPEG-4 AAC error resilience tool usage */
+    OMX_AUDIO_AACPROFILETYPE eAACProfile;   /**< AAC profile enumeration */
+    OMX_AUDIO_AACSTREAMFORMATTYPE eAACStreamFormat; /**< AAC stream format enumeration */
+    OMX_AUDIO_CHANNELMODETYPE eChannelMode;   /**< Channel mode enumeration */
+} OMX_AUDIO_PARAM_AACPROFILETYPE;
+
+
+/** VORBIS params */
+typedef struct OMX_AUDIO_PARAM_VORBISTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_U32 nChannels;        /**< Number of channels */
+    OMX_U32 nBitRate;         /**< Bit rate of the encoded data data.  Use 0 for variable
+                                   rate or unknown bit rates. Encoding is set to the
+                                   bitrate closest to specified  value (in bps) */
+    OMX_U32 nMinBitRate;      /**< Sets minimum bitrate (in bps). */
+    OMX_U32 nMaxBitRate;      /**< Sets maximum bitrate (in bps). */
+
+    OMX_U32 nSampleRate;      /**< Sampling rate of the source data.  Use 0 for
+                                   variable or unknown sampling rate. */
+    OMX_U32 nAudioBandWidth;  /**< Audio band width (in Hz) to which an encoder should
+                                   limit the audio signal. Use 0 to let encoder decide */
+    OMX_S32 nQuality;		  /**< Sets encoding quality to n, between -1 (low) and 10 (high).
+                                   In the default mode of operation, teh quality level is 3.
+                                   Normal quality range is 0 - 10. */
+    OMX_BOOL bManaged;		  /**< Set  bitrate  management  mode. This turns off the
+                                   normal VBR encoding, but allows hard or soft bitrate
+                                   constraints to be enforced by the encoder. This mode can
+                                   be slower, and may also be lower quality. It is
+                                   primarily useful for streaming. */
+    OMX_BOOL bDownmix;		  /**< Downmix input from stereo to mono (has no effect on 
+                                   non-stereo streams). Useful for lower-bitrate encoding. */     
+} OMX_AUDIO_PARAM_VORBISTYPE;
+
+
+/** WMA Version */
+typedef enum OMX_AUDIO_WMAFORMATTYPE {
+  OMX_AUDIO_WMAFormatUnused = 0, /**< format unused or unknown */
+  OMX_AUDIO_WMAFormat7,          /**< Windows Media Audio format 7 */
+  OMX_AUDIO_WMAFormat8,          /**< Windows Media Audio format 8 */
+  OMX_AUDIO_WMAFormat9,          /**< Windows Media Audio format 9 */
+  OMX_AUDIO_WMAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+  OMX_AUDIO_WMAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+  OMX_AUDIO_WMAFormatMax = 0x7FFFFFFF
+} OMX_AUDIO_WMAFORMATTYPE;
+
+
+/** WMA Profile */
+typedef enum OMX_AUDIO_WMAPROFILETYPE {
+  OMX_AUDIO_WMAProfileUnused = 0,  /**< profile unused or unknown */
+  OMX_AUDIO_WMAProfileL1,          /**< Windows Media audio version 9 profile L1 */
+  OMX_AUDIO_WMAProfileL2,          /**< Windows Media audio version 9 profile L2 */
+  OMX_AUDIO_WMAProfileL3,          /**< Windows Media audio version 9 profile L3 */
+  OMX_AUDIO_WMAProfileKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+  OMX_AUDIO_WMAProfileVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+  OMX_AUDIO_WMAProfileMax = 0x7FFFFFFF
+} OMX_AUDIO_WMAPROFILETYPE;
+
+
+/** WMA params */
+typedef struct OMX_AUDIO_PARAM_WMATYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_U16 nChannels;        /**< Number of channels */
+    OMX_U32 nBitRate;         /**< Bit rate of the input data.  Use 0 for variable
+                                   rate or unknown bit rates */
+    OMX_AUDIO_WMAFORMATTYPE eFormat; /**< Version of WMA stream / data */
+	OMX_AUDIO_WMAPROFILETYPE eProfile;  /**< Profile of WMA stream / data */
+    OMX_U32 nSamplingRate;    /**< Sampling rate of the source data */
+    OMX_U16 nBlockAlign;      /**< is the block alignment, or block size, in bytes of the audio codec */
+    OMX_U16 nEncodeOptions;   /**< WMA Type-specific data */
+    OMX_U32 nSuperBlockAlign; /**< WMA Type-specific data */
+} OMX_AUDIO_PARAM_WMATYPE;
+
+/** 
+ * RealAudio format
+ */
+typedef enum OMX_AUDIO_RAFORMATTYPE {
+    OMX_AUDIO_RAFormatUnused = 0, /**< Format unused or unknown */
+    OMX_AUDIO_RA8,                /**< RealAudio 8 codec */
+    OMX_AUDIO_RA9,                /**< RealAudio 9 codec */
+    OMX_AUDIO_RA10_AAC,           /**< MPEG-4 AAC codec for bitrates of more than 128kbps */
+    OMX_AUDIO_RA10_CODEC,         /**< RealAudio codec for bitrates less than 128 kbps */
+    OMX_AUDIO_RA10_LOSSLESS,      /**< RealAudio Lossless */
+    OMX_AUDIO_RA10_MULTICHANNEL,  /**< RealAudio Multichannel */
+    OMX_AUDIO_RA10_VOICE,         /**< RealAudio Voice for bitrates below 15 kbps */
+    OMX_AUDIO_RAFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_RAFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_VIDEO_RAFormatMax = 0x7FFFFFFF
+} OMX_AUDIO_RAFORMATTYPE;
+
+/** RA (Real Audio) params */ 
+typedef struct OMX_AUDIO_PARAM_RATYPE { 
+    OMX_U32 nSize;              /**< Size of this structure, in Bytes */ 
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;         /**< Port that this structure applies to */ 
+    OMX_U32 nChannels;          /**< Number of channels */ 
+    OMX_U32 nSamplingRate;      /**< is the sampling rate of the source data */ 
+    OMX_U32 nBitsPerFrame;      /**< is the value for bits per frame  */ 
+    OMX_U32 nSamplePerFrame;    /**< is the value for samples per frame */ 
+    OMX_U32 nCouplingQuantBits; /**< is the number of coupling quantization bits in the stream */ 
+    OMX_U32 nCouplingStartRegion;   /**< is the coupling start region in the stream  */ 
+    OMX_U32 nNumRegions;        /**< is the number of regions value */ 
+    OMX_AUDIO_RAFORMATTYPE eFormat; /**< is the RealAudio audio format */
+} OMX_AUDIO_PARAM_RATYPE; 
+
+
+/** SBC Allocation Method Type */
+typedef enum OMX_AUDIO_SBCALLOCMETHODTYPE {
+  OMX_AUDIO_SBCAllocMethodLoudness, /**< Loudness allocation method */
+  OMX_AUDIO_SBCAllocMethodSNR,      /**< SNR allocation method */
+  OMX_AUDIO_SBCAllocMethodKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+  OMX_AUDIO_SBCAllocMethodVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+  OMX_AUDIO_SBCAllocMethodMax = 0x7FFFFFFF
+} OMX_AUDIO_SBCALLOCMETHODTYPE;
+
+
+/** SBC params */
+typedef struct OMX_AUDIO_PARAM_SBCTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_U32 nChannels;         /**< Number of channels */
+    OMX_U32 nBitRate;          /**< Bit rate of the input data.  Use 0 for variable
+                                    rate or unknown bit rates */
+    OMX_U32 nSampleRate;       /**< Sampling rate of the source data.  Use 0 for
+                                    variable or unknown sampling rate. */
+    OMX_U32 nBlocks;           /**< Number of blocks */
+    OMX_U32 nSubbands;         /**< Number of subbands */
+    OMX_U32 nBitPool;          /**< Bitpool value */
+    OMX_BOOL bEnableBitrate;   /**< Use bitrate value instead of bitpool */
+    OMX_AUDIO_CHANNELMODETYPE eChannelMode; /**< Channel mode enumeration */
+    OMX_AUDIO_SBCALLOCMETHODTYPE eSBCAllocType;   /**< SBC Allocation method type */
+} OMX_AUDIO_PARAM_SBCTYPE;
+
+
+/** ADPCM stream format parameters */ 
+typedef struct OMX_AUDIO_PARAM_ADPCMTYPE { 
+    OMX_U32 nSize;              /**< size of the structure in bytes */ 
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;         /**< port that this structure applies to */ 
+    OMX_U32 nChannels;          /**< Number of channels in the data stream (not 
+                                     necessarily the same as the number of channels 
+                                     to be rendered. */ 
+    OMX_U32 nBitsPerSample;     /**< Number of bits in each sample */ 
+    OMX_U32 nSampleRate;        /**< Sampling rate of the source data.  Use 0 for 
+                                    variable or unknown sampling rate. */ 
+} OMX_AUDIO_PARAM_ADPCMTYPE; 
+
+
+/** G723 rate */
+typedef enum OMX_AUDIO_G723RATE {
+    OMX_AUDIO_G723ModeUnused = 0,  /**< AMRNB Mode unused / unknown */
+    OMX_AUDIO_G723ModeLow,         /**< 5300 bps */
+    OMX_AUDIO_G723ModeHigh,        /**< 6300 bps */
+    OMX_AUDIO_G723ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_G723ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_G723ModeMax = 0x7FFFFFFF
+} OMX_AUDIO_G723RATE;
+
+
+/** G723 - Sample rate must be 8 KHz */
+typedef struct OMX_AUDIO_PARAM_G723TYPE { 
+    OMX_U32 nSize;                /**< size of the structure in bytes */ 
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */ 
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not 
+                                       necessarily the same as the number of channels 
+                                       to be rendered. */ 
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */ 
+    OMX_AUDIO_G723RATE eBitRate;  /**< todo: Should this be moved to a config? */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */ 
+    OMX_BOOL bPostFilter;         /**< Enable Post Filter */ 
+} OMX_AUDIO_PARAM_G723TYPE; 
+
+
+/** ITU G726 (ADPCM) rate */
+typedef enum OMX_AUDIO_G726MODE {
+    OMX_AUDIO_G726ModeUnused = 0,  /**< G726 Mode unused / unknown */
+    OMX_AUDIO_G726Mode16,          /**< 16 kbps */
+    OMX_AUDIO_G726Mode24,          /**< 24 kbps */
+    OMX_AUDIO_G726Mode32,          /**< 32 kbps, most common rate, also G721 */
+    OMX_AUDIO_G726Mode40,          /**< 40 kbps */
+    OMX_AUDIO_G726ModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_G726ModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_G726ModeMax = 0x7FFFFFFF
+} OMX_AUDIO_G726MODE;
+
+
+/** G.726 stream format parameters - must be at 8KHz */ 
+typedef struct OMX_AUDIO_PARAM_G726TYPE { 
+    OMX_U32 nSize;              /**< size of the structure in bytes */ 
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;         /**< port that this structure applies to */ 
+    OMX_U32 nChannels;          /**< Number of channels in the data stream (not 
+                                     necessarily the same as the number of channels 
+                                     to be rendered. */ 
+     OMX_AUDIO_G726MODE eG726Mode;
+} OMX_AUDIO_PARAM_G726TYPE; 
+
+
+/** G729 coder type */
+typedef enum OMX_AUDIO_G729TYPE {
+    OMX_AUDIO_G729 = 0,           /**< ITU G.729  encoded data */
+    OMX_AUDIO_G729A,              /**< ITU G.729 annex A  encoded data */
+    OMX_AUDIO_G729B,              /**< ITU G.729 with annex B encoded data */
+    OMX_AUDIO_G729AB,             /**< ITU G.729 annexes A and B encoded data */
+    OMX_AUDIO_G729KhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_G729VendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_G729Max = 0x7FFFFFFF
+} OMX_AUDIO_G729TYPE;
+
+
+/** G729 stream format parameters - fixed 6KHz sample rate */
+typedef struct OMX_AUDIO_PARAM_G729TYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_U32 nChannels;        /**< Number of channels in the data stream (not
+                                   necessarily the same as the number of channels
+                                   to be rendered. */
+    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
+    OMX_AUDIO_G729TYPE eBitType;
+} OMX_AUDIO_PARAM_G729TYPE;
+
+
+/** AMR Frame format */ 
+typedef enum OMX_AUDIO_AMRFRAMEFORMATTYPE { 
+    OMX_AUDIO_AMRFrameFormatConformance = 0,  /**< Frame Format is AMR Conformance 
+                                                   (Standard) Format */ 
+    OMX_AUDIO_AMRFrameFormatIF1,              /**< Frame Format is AMR Interface 
+                                                   Format 1 */ 
+    OMX_AUDIO_AMRFrameFormatIF2,              /**< Frame Format is AMR Interface 
+                                                   Format 2*/ 
+    OMX_AUDIO_AMRFrameFormatFSF,              /**< Frame Format is AMR File Storage 
+                                                   Format */ 
+    OMX_AUDIO_AMRFrameFormatRTPPayload,       /**< Frame Format is AMR Real-Time 
+                                                   Transport Protocol Payload Format */ 
+    OMX_AUDIO_AMRFrameFormatITU,              /**< Frame Format is ITU Format (added at Motorola request) */ 
+    OMX_AUDIO_AMRFrameFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_AMRFrameFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_AMRFrameFormatMax = 0x7FFFFFFF 
+} OMX_AUDIO_AMRFRAMEFORMATTYPE; 
+
+
+/** AMR band mode */
+typedef enum OMX_AUDIO_AMRBANDMODETYPE {
+    OMX_AUDIO_AMRBandModeUnused = 0,          /**< AMRNB Mode unused / unknown */
+    OMX_AUDIO_AMRBandModeNB0,                 /**< AMRNB Mode 0 =  4750 bps */
+    OMX_AUDIO_AMRBandModeNB1,                 /**< AMRNB Mode 1 =  5150 bps */
+    OMX_AUDIO_AMRBandModeNB2,                 /**< AMRNB Mode 2 =  5900 bps */ 
+    OMX_AUDIO_AMRBandModeNB3,                 /**< AMRNB Mode 3 =  6700 bps */
+    OMX_AUDIO_AMRBandModeNB4,                 /**< AMRNB Mode 4 =  7400 bps */
+    OMX_AUDIO_AMRBandModeNB5,                 /**< AMRNB Mode 5 =  7950 bps */
+    OMX_AUDIO_AMRBandModeNB6,                 /**< AMRNB Mode 6 = 10200 bps */
+    OMX_AUDIO_AMRBandModeNB7,                 /**< AMRNB Mode 7 = 12200 bps */
+    OMX_AUDIO_AMRBandModeWB0,                 /**< AMRWB Mode 0 =  6600 bps */
+    OMX_AUDIO_AMRBandModeWB1,                 /**< AMRWB Mode 1 =  8850 bps */
+    OMX_AUDIO_AMRBandModeWB2,                 /**< AMRWB Mode 2 = 12650 bps */ 
+    OMX_AUDIO_AMRBandModeWB3,                 /**< AMRWB Mode 3 = 14250 bps */ 
+    OMX_AUDIO_AMRBandModeWB4,                 /**< AMRWB Mode 4 = 15850 bps */
+    OMX_AUDIO_AMRBandModeWB5,                 /**< AMRWB Mode 5 = 18250 bps */
+    OMX_AUDIO_AMRBandModeWB6,                 /**< AMRWB Mode 6 = 19850 bps */
+    OMX_AUDIO_AMRBandModeWB7,                 /**< AMRWB Mode 7 = 23050 bps */
+    OMX_AUDIO_AMRBandModeWB8,                 /**< AMRWB Mode 8 = 23850 bps */      
+    OMX_AUDIO_AMRBandModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_AMRBandModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_AMRBandModeMax = 0x7FFFFFFF
+} OMX_AUDIO_AMRBANDMODETYPE;
+     
+
+/** AMR Discontinuous Transmission mode */ 
+typedef enum OMX_AUDIO_AMRDTXMODETYPE { 
+    OMX_AUDIO_AMRDTXModeOff = 0,        /**< AMR Discontinuous Transmission Mode is disabled */ 
+    OMX_AUDIO_AMRDTXModeOnVAD1,         /**< AMR Discontinuous Transmission Mode using 
+                                             Voice Activity Detector 1 (VAD1) is enabled */ 
+    OMX_AUDIO_AMRDTXModeOnVAD2,         /**< AMR Discontinuous Transmission Mode using 
+                                             Voice Activity Detector 2 (VAD2) is enabled */       
+    OMX_AUDIO_AMRDTXModeOnAuto,         /**< The codec will automatically select between 
+                                             Off, VAD1 or VAD2 modes */ 
+
+    OMX_AUDIO_AMRDTXasEFR,             /**< DTX as EFR instead of AMR standard (3GPP 26.101, frame type =8,9,10) */
+
+    OMX_AUDIO_AMRDTXModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_AMRDTXModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_AMRDTXModeMax = 0x7FFFFFFF 
+} OMX_AUDIO_AMRDTXMODETYPE; 
+ 
+
+/** AMR params */
+typedef struct OMX_AUDIO_PARAM_AMRTYPE {
+    OMX_U32 nSize;                          /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;               /**< OMX specification version information */
+    OMX_U32 nPortIndex;                     /**< port that this structure applies to */
+    OMX_U32 nChannels;                      /**< Number of channels */
+    OMX_U32 nBitRate;                       /**< Bit rate read only field */
+    OMX_AUDIO_AMRBANDMODETYPE eAMRBandMode; /**< AMR Band Mode enumeration */ 
+    OMX_AUDIO_AMRDTXMODETYPE  eAMRDTXMode;  /**< AMR DTX Mode enumeration */
+    OMX_AUDIO_AMRFRAMEFORMATTYPE eAMRFrameFormat; /**< AMR frame format enumeration */
+} OMX_AUDIO_PARAM_AMRTYPE;
+
+
+/** GSM_FR (ETSI 06.10, 3GPP 46.010) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_GSMFRTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_GSMFRTYPE;
+
+
+/** GSM-HR (ETSI 06.20, 3GPP 46.020) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_GSMHRTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_GSMHRTYPE;
+
+
+/** GSM-EFR (ETSI 06.60, 3GPP 46.060) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_GSMEFRTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_BOOL bDTX;            /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;   /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_GSMEFRTYPE;
+
+
+/** TDMA FR (TIA/EIA-136-420, VSELP 7.95kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_TDMAFRTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_TDMAFRTYPE;
+
+
+/** TDMA EFR (TIA/EIA-136-410, ACELP 7.4kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_TDMAEFRTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_TDMAEFRTYPE;
+
+
+/** PDC FR ( RCR-27, VSELP 6.7kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_PDCFRTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_PDCFRTYPE;
+
+
+/** PDC EFR ( RCR-27, ACELP 6.7kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_PDCEFRTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_PDCEFRTYPE;
+
+/** PDC HR ( RCR-27, PSI-CELP 3.45kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_PDCHRTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_BOOL bDTX;                /**< Enable Discontinuous Transmisssion */
+    OMX_BOOL bHiPassFilter;       /**< Enable High Pass Filter */
+} OMX_AUDIO_PARAM_PDCHRTYPE;
+
+
+/** CDMA Rate types */
+typedef enum OMX_AUDIO_CDMARATETYPE {
+    OMX_AUDIO_CDMARateBlank = 0,          /**< CDMA encoded frame is blank */
+    OMX_AUDIO_CDMARateFull,               /**< CDMA encoded frame in full rate */
+    OMX_AUDIO_CDMARateHalf,               /**< CDMA encoded frame in half rate */
+    OMX_AUDIO_CDMARateQuarter,            /**< CDMA encoded frame in quarter rate */
+    OMX_AUDIO_CDMARateEighth,             /**< CDMA encoded frame in eighth rate (DTX)*/
+    OMX_AUDIO_CDMARateErasure,            /**< CDMA erasure frame */
+    OMX_AUDIO_CDMARateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_CDMARateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_CDMARateMax = 0x7FFFFFFF
+} OMX_AUDIO_CDMARATETYPE;
+
+
+/** QCELP8 (TIA/EIA-96, up to 8kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_QCELP8TYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_U32 nBitRate;             /**< Bit rate of the input data.  Use 0 for variable
+                                       rate or unknown bit rates */
+    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
+    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
+    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
+} OMX_AUDIO_PARAM_QCELP8TYPE;
+
+
+/** QCELP13 ( CDMA, EIA/TIA-733, 13.3kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_QCELP13TYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
+    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
+    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
+} OMX_AUDIO_PARAM_QCELP13TYPE;
+
+
+/** EVRC ( CDMA, EIA/TIA-127, RCELP up to 8.55kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_EVRCTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< actual Frame rate */
+    OMX_BOOL bRATE_REDUCon;       /**< RATE_REDUCtion is requested for this frame */
+    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 */
+    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 */
+    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter */
+    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
+    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter */
+} OMX_AUDIO_PARAM_EVRCTYPE;
+
+
+/** SMV ( up to 8.55kbps coder) stream format parameters */
+typedef struct OMX_AUDIO_PARAM_SMVTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_U32 nChannels;            /**< Number of channels in the data stream (not
+                                       necessarily the same as the number of channels
+                                       to be rendered. */
+    OMX_AUDIO_CDMARATETYPE eCDMARate; /**< Frame rate */
+    OMX_BOOL bRATE_REDUCon;           /**< RATE_REDUCtion is requested for this frame */
+    OMX_U32 nMinBitRate;          /**< minmal rate for the encoder = 1,2,3,4, default = 1 ??*/
+    OMX_U32 nMaxBitRate;          /**< maximal rate for the encoder = 1,2,3,4, default = 4 ??*/
+    OMX_BOOL bHiPassFilter;       /**< Enable encoder's High Pass Filter ??*/
+    OMX_BOOL bNoiseSuppressor;    /**< Enable encoder's noise suppressor pre-processing */
+    OMX_BOOL bPostFilter;         /**< Enable decoder's post Filter ??*/
+} OMX_AUDIO_PARAM_SMVTYPE;
+
+
+/** MIDI Format 
+ * @ingroup midi
+ */
+typedef enum OMX_AUDIO_MIDIFORMATTYPE
+{
+    OMX_AUDIO_MIDIFormatUnknown = 0, /**< MIDI Format unknown or don't care */
+    OMX_AUDIO_MIDIFormatSMF0,        /**< Standard MIDI File Type 0 */
+    OMX_AUDIO_MIDIFormatSMF1,        /**< Standard MIDI File Type 1 */
+    OMX_AUDIO_MIDIFormatSMF2,        /**< Standard MIDI File Type 2 */
+    OMX_AUDIO_MIDIFormatSPMIDI,      /**< SP-MIDI */
+    OMX_AUDIO_MIDIFormatXMF0,        /**< eXtensible Music Format type 0 */
+    OMX_AUDIO_MIDIFormatXMF1,        /**< eXtensible Music Format type 1 */
+    OMX_AUDIO_MIDIFormatMobileXMF,   /**< Mobile XMF (eXtensible Music Format type 2) */
+    OMX_AUDIO_MIDIFormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_MIDIFormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_MIDIFormatMax = 0x7FFFFFFF
+} OMX_AUDIO_MIDIFORMATTYPE;
+
+
+/** MIDI params 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_PARAM_MIDITYPE {
+    OMX_U32 nSize;                 /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;      /**< OMX specification version information */
+    OMX_U32 nPortIndex;            /**< port that this structure applies to */
+    OMX_U32 nFileSize;             /**< size of the MIDI file in bytes, where the entire 
+                                        MIDI file passed in, otherwise if 0x0, the MIDI data 
+                                        is merged and streamed (instead of passed as an 
+                                        entire MIDI file) */
+    OMX_BU32 sMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic 
+                                        voices. A value of zero indicates that the default 
+                                        polyphony of the device is used  */                                    
+    OMX_BOOL bLoadDefaultSound;    /**< Whether to load default sound 
+                                        bank at initialization */
+    OMX_AUDIO_MIDIFORMATTYPE eMidiFormat; /**< Version of the MIDI file */                                                                           
+} OMX_AUDIO_PARAM_MIDITYPE;
+
+
+/** Type of the MIDI sound bank 
+ * @ingroup midi
+ */
+typedef enum OMX_AUDIO_MIDISOUNDBANKTYPE {
+    OMX_AUDIO_MIDISoundBankUnused = 0,           /**< unused/unknown soundbank type */
+    OMX_AUDIO_MIDISoundBankDLS1,                 /**< DLS version 1 */
+    OMX_AUDIO_MIDISoundBankDLS2,                 /**< DLS version 2 */
+    OMX_AUDIO_MIDISoundBankMobileDLSBase,        /**< Mobile DLS, using the base functionality */
+    OMX_AUDIO_MIDISoundBankMobileDLSPlusOptions, /**< Mobile DLS, using the specification-defined optional feature set */
+    OMX_AUDIO_MIDISoundBankKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_MIDISoundBankVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_MIDISoundBankMax = 0x7FFFFFFF
+} OMX_AUDIO_MIDISOUNDBANKTYPE;
+
+
+/** Bank Layout describes how bank MSB & LSB are used in the DLS instrument definitions sound bank 
+ * @ingroup midi
+ */
+typedef enum OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE {
+   OMX_AUDIO_MIDISoundBankLayoutUnused = 0,   /**< unused/unknown soundbank type */
+   OMX_AUDIO_MIDISoundBankLayoutGM,           /**< GS layout (based on bank MSB 0x00) */
+   OMX_AUDIO_MIDISoundBankLayoutGM2,          /**< General MIDI 2 layout (using MSB 0x78/0x79, LSB 0x00) */
+   OMX_AUDIO_MIDISoundBankLayoutUser,         /**< Does not conform to any bank numbering standards */
+   OMX_AUDIO_MIDISoundBankLayoutKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+   OMX_AUDIO_MIDISoundBankLayoutVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+   OMX_AUDIO_MIDISoundBankLayoutMax = 0x7FFFFFFF
+} OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE;
+
+
+/** MIDI params to load/unload user soundbank 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */
+    OMX_U32 nDLSIndex;        /**< DLS file index to be loaded */
+    OMX_U32 nDLSSize;         /**< Size in bytes */
+    OMX_PTR pDLSData;         /**< Pointer to DLS file data */
+    OMX_AUDIO_MIDISOUNDBANKTYPE eMidiSoundBank;   /**< Midi sound bank type enumeration */
+    OMX_AUDIO_MIDISOUNDBANKLAYOUTTYPE eMidiSoundBankLayout; /**< Midi sound bank layout enumeration */
+} OMX_AUDIO_PARAM_MIDILOADUSERSOUNDTYPE;
+
+
+/** Structure for Live MIDI events and MIP messages. 
+ * (MIP = Maximum Instantaneous Polyphony; part of the SP-MIDI standard.) 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE {
+    OMX_U32 nSize;            /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
+    OMX_U32 nPortIndex;       /**< Port that this structure applies to */
+    OMX_U32 nMidiEventSize;   /**< Size of immediate MIDI events or MIP message in bytes  */
+    OMX_U8 nMidiEvents[1];    /**< MIDI event array to be rendered immediately, or an
+                                   array for the MIP message buffer, where the size is 
+                                   indicated by nMidiEventSize */
+} OMX_AUDIO_CONFIG_MIDIIMMEDIATEEVENTTYPE;
+
+
+/** MIDI sound bank/ program pair in a given channel 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< Port that this structure applies to */
+    OMX_U32 nChannel;           /**< Valid channel values range from 1 to 16 */
+    OMX_U16 nIDProgram;         /**< Valid program ID range is 1 to 128 */
+    OMX_U16 nIDSoundBank;       /**< Sound bank ID */
+    OMX_U32 nUserSoundBankIndex;/**< User soundbank index, easier to access soundbanks 
+                                     by index if multiple banks are present */
+} OMX_AUDIO_CONFIG_MIDISOUNDBANKPROGRAMTYPE;
+
+
+/** MIDI control 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_CONFIG_MIDICONTROLTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_BS32 sPitchTransposition; /**< Pitch transposition in semitones, stored as Q22.10 
+                                       format based on JAVA MMAPI (JSR-135) requirement */
+    OMX_BU32 sPlayBackRate;       /**< Relative playback rate, stored as Q14.17 fixed-point
+                                       number based on JSR-135 requirement */
+    OMX_BU32 sTempo ;             /**< Tempo in beats per minute (BPM), stored as Q22.10 
+                                       fixed-point number based on JSR-135 requirement */
+    OMX_U32 nMaxPolyphony;        /**< Specifies the maximum simultaneous polyphonic 
+                                       voices. A value of zero indicates that the default 
+                                       polyphony of the device is used  */
+    OMX_U32 nNumRepeat;           /**< Number of times to repeat playback */
+    OMX_U32 nStopTime;            /**< Time in milliseconds to indicate when playback 
+                                       will stop automatically.  Set to zero if not used */
+    OMX_U16 nChannelMuteMask;     /**< 16 bit mask for channel mute status */
+    OMX_U16 nChannelSoloMask;     /**< 16 bit mask for channel solo status */
+    OMX_U32 nTrack0031MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 0-31 */
+    OMX_U32 nTrack3263MuteMask;   /**< 32 bit mask for track mute status. Note: This is for tracks 32-63 */
+    OMX_U32 nTrack0031SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 0-31 */
+    OMX_U32 nTrack3263SoloMask;   /**< 32 bit mask for track solo status. Note: This is for tracks 32-63 */
+
+} OMX_AUDIO_CONFIG_MIDICONTROLTYPE;
+
+
+/** MIDI Playback States 
+ * @ingroup midi
+ */
+typedef enum OMX_AUDIO_MIDIPLAYBACKSTATETYPE {
+  OMX_AUDIO_MIDIPlayBackStateUnknown = 0,      /**< Unknown state or state does not map to 
+  													other defined states */
+  OMX_AUDIO_MIDIPlayBackStateClosedEngaged,    /**< No MIDI resource is currently open. 
+                                                    The MIDI engine is currently processing 
+                                                    MIDI events. */
+  OMX_AUDIO_MIDIPlayBackStateParsing,          /**< A MIDI resource is open and is being 
+                                                    primed. The MIDI engine is currently 
+                                                    processing MIDI events. */
+  OMX_AUDIO_MIDIPlayBackStateOpenEngaged,      /**< A MIDI resource is open and primed but 
+                                                    not playing. The MIDI engine is currently
+                                                    processing MIDI events. The transition to
+                                                    this state is only possible from the 
+                                                    OMX_AUDIO_MIDIPlayBackStatePlaying state,
+                                                    when the 'playback head' reaches the end
+                                                    of media data or the playback stops due
+                                                    to stop time set.*/
+  OMX_AUDIO_MIDIPlayBackStatePlaying,          /**< A MIDI resource is open and currently
+                                                    playing. The MIDI engine is currently
+                                                    processing MIDI events.*/
+  OMX_AUDIO_MIDIPlayBackStatePlayingPartially, /**< Best-effort playback due to SP-MIDI/DLS
+                                                    resource constraints */
+  OMX_AUDIO_MIDIPlayBackStatePlayingSilently,  /**< Due to system resource constraints and
+                                                    SP-MIDI content constraints, there is
+                                                    no audible MIDI content during playback
+                                                    currently. The situation may change if
+                                                    resources are freed later.*/
+  OMX_AUDIO_MIDIPlayBackStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+  OMX_AUDIO_MIDIPlayBackStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+  OMX_AUDIO_MIDIPlayBackStateMax = 0x7FFFFFFF
+} OMX_AUDIO_MIDIPLAYBACKSTATETYPE;
+
+
+/** MIDI status 
+ * @ingroup midi
+ */
+typedef struct OMX_AUDIO_CONFIG_MIDISTATUSTYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< port that this structure applies to */
+    OMX_U16 nNumTracks;         /**< Number of MIDI tracks in the file, read only field. 
+                                     NOTE: May not return a meaningful value until the entire 
+                                     file is parsed and buffered.  */
+    OMX_U32 nDuration;          /**< The length of the currently open MIDI resource 
+                                     in milliseconds. NOTE: May not return a meaningful value 
+                                     until the entire file is parsed and buffered.  */  
+    OMX_U32 nPosition;          /**< Current Position of the MIDI resource being played 
+                                     in milliseconds */
+    OMX_BOOL bVibra;            /**< Does Vibra track exist? NOTE: May not return a meaningful 
+                                     value until the entire file is parsed and buffered. */
+    OMX_U32 nNumMetaEvents;     /**< Total number of MIDI Meta Events in the currently 
+                                     open MIDI resource. NOTE: May not return a meaningful value 
+                                     until the entire file is parsed and buffered.  */
+    OMX_U32 nNumActiveVoices;   /**< Number of active voices in the currently playing 
+                                     MIDI resource. NOTE: May not return a meaningful value until 
+                                     the entire file is parsed and buffered. */
+    OMX_AUDIO_MIDIPLAYBACKSTATETYPE eMIDIPlayBackState;  /**< MIDI playback state enumeration, read only field */
+} OMX_AUDIO_CONFIG_MIDISTATUSTYPE;
+
+
+/** MIDI Meta Event structure one per Meta Event.
+ *  MIDI Meta Events are like audio metadata, except that they are interspersed 
+ *  with the MIDI content throughout the file and are not localized in the header. 
+ *  As such, it is necessary to retrieve information about these Meta Events from 
+ *  the engine, as it encounters these Meta Events within the MIDI content. 
+ *  For example, SMF files can have up to 14 types of MIDI Meta Events (copyright, 
+ *  author, default tempo, etc.) scattered throughout the file. 
+ *  @ingroup midi
+ */
+typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE{ 
+    OMX_U32 nSize;            /**< size of the structure in bytes */ 
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */ 
+    OMX_U32 nIndex;           /**< Index of Meta Event */ 
+    OMX_U8 nMetaEventType;    /**< Meta Event Type, 7bits (i.e. 0 - 127) */ 
+    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */ 
+    OMX_U32 nTrack;           /**< track number for the meta event */
+    OMX_U32 nPosition;        /**< Position of the meta-event in milliseconds */
+} OMX_AUDIO_CONFIG_MIDIMETAEVENTTYPE; 
+
+
+/** MIDI Meta Event Data structure - one per Meta Event. 
+ * @ingroup midi
+ */ 
+typedef struct OMX_AUDIO_CONFIG_MIDIMETAEVENTDATATYPE{ 
+    OMX_U32 nSize;            /**< size of the structure in bytes */ 
+    OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 
+    OMX_U32 nPortIndex;       /**< port that this structure applies to */ 
+    OMX_U32 nIndex;           /**< Index of Meta Event */ 
+    OMX_U32 nMetaEventSize;   /**< size of the Meta Event in bytes */ 
+    OMX_U8 nData[1];          /**< array of one or more bytes of meta data 
+                                   as indicated by the nMetaEventSize field */ 
+} OMX_AUDIO_CONFIG__MIDIMETAEVENTDATATYPE; 
+
+
+/** Audio Volume adjustment for a port */
+typedef struct OMX_AUDIO_CONFIG_VOLUMETYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< Port index indicating which port to 
+                                     set.  Select the input port to set 
+                                     just that port's volume.  Select the 
+                                     output port to adjust the master 
+                                     volume. */
+    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100) 
+                                     or logarithmic scale (mB) */
+    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
+                                     Volume logarithmic setting for this port.  The values
+                                     for volume are in mB (millibels = 1/100 dB) relative
+                                     to a gain of 1 (e.g. the output is the same as the 
+                                     input level).  Values are in mB from nMax 
+                                     (maximum volume) to nMin mB (typically negative).
+                                     Since the volume is "voltage"
+                                     and not a "power", it takes a setting of
+                                     -600 mB to decrease the volume by 1/2.  If
+                                     a component cannot accurately set the 
+                                     volume to the requested value, it must
+                                     set the volume to the closest value BELOW
+                                     the requested value.  When getting the
+                                     volume setting, the current actual volume
+                                     must be returned. */
+} OMX_AUDIO_CONFIG_VOLUMETYPE;
+
+
+/** Audio Volume adjustment for a channel */
+typedef struct OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< Port index indicating which port to 
+                                     set.  Select the input port to set 
+                                     just that port's volume.  Select the 
+                                     output port to adjust the master 
+                                     volume. */
+    OMX_U32 nChannel;           /**< channel to select from 0 to N-1, 
+                                     using OMX_ALL to apply volume settings
+                                     to all channels */
+    OMX_BOOL bLinear;           /**< Is the volume to be set in linear (0.100) or 
+                                     logarithmic scale (mB) */
+    OMX_BS32 sVolume;           /**< Volume linear setting in the 0..100 range, OR
+                                     Volume logarithmic setting for this port.  
+                                     The values for volume are in mB 
+                                     (millibels = 1/100 dB) relative to a gain
+                                     of 1 (e.g. the output is the same as the 
+                                     input level).  Values are in mB from nMax 
+                                     (maximum volume) to nMin mB (typically negative).  
+                                     Since the volume is "voltage"
+                                     and not a "power", it takes a setting of
+                                     -600 mB to decrease the volume by 1/2.  If
+                                     a component cannot accurately set the 
+                                     volume to the requested value, it must
+                                     set the volume to the closest value BELOW
+                                     the requested value.  When getting the
+                                     volume setting, the current actual volume
+                                     must be returned. */
+    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
+                                     FALSE otherwise */
+} OMX_AUDIO_CONFIG_CHANNELVOLUMETYPE;
+
+
+/** Audio balance setting */
+typedef struct OMX_AUDIO_CONFIG_BALANCETYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< Port index indicating which port to 
+                                     set.  Select the input port to set 
+                                     just that port's balance.  Select the 
+                                     output port to adjust the master 
+                                     balance. */
+    OMX_S32 nBalance;           /**< balance setting for this port 
+                                     (-100 to 100, where -100 indicates
+                                     all left, and no right */
+} OMX_AUDIO_CONFIG_BALANCETYPE;
+
+
+/** Audio Port mute */
+typedef struct OMX_AUDIO_CONFIG_MUTETYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< Port index indicating which port to 
+                                     set.  Select the input port to set 
+                                     just that port's mute.  Select the 
+                                     output port to adjust the master 
+                                     mute. */
+    OMX_BOOL bMute;             /**< Mute setting for this port */
+} OMX_AUDIO_CONFIG_MUTETYPE;
+
+
+/** Audio Channel mute */
+typedef struct OMX_AUDIO_CONFIG_CHANNELMUTETYPE {
+    OMX_U32 nSize;              /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;   /**< OMX specification version information */
+    OMX_U32 nPortIndex;         /**< port that this structure applies to */
+    OMX_U32 nChannel;           /**< channel to select from 0 to N-1, 
+                                     using OMX_ALL to apply mute settings
+                                     to all channels */
+    OMX_BOOL bMute;             /**< Mute setting for this channel */
+    OMX_BOOL bIsMIDI;           /**< TRUE if nChannel refers to a MIDI channel,
+                                     FALSE otherwise */ 
+} OMX_AUDIO_CONFIG_CHANNELMUTETYPE;
+
+
+
+/** Enable / Disable for loudness control, which boosts bass and to a 
+ *  smaller extent high end frequencies to compensate for hearing
+ *  ability at the extreme ends of the audio spectrum
+ */ 
+typedef struct OMX_AUDIO_CONFIG_LOUDNESSTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bLoudness;        /**< Enable/disable for loudness */
+} OMX_AUDIO_CONFIG_LOUDNESSTYPE;
+
+
+/** Enable / Disable for bass, which controls low frequencies
+ */ 
+typedef struct OMX_AUDIO_CONFIG_BASSTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bEnable;          /**< Enable/disable for bass control */
+    OMX_S32 nBass;             /**< bass setting for the port, as a 
+                                    continuous value from -100 to 100  
+                                    (0 means no change in bass level)*/
+} OMX_AUDIO_CONFIG_BASSTYPE;
+
+
+/** Enable / Disable for treble, which controls high frequencies tones
+ */ 
+typedef struct OMX_AUDIO_CONFIG_TREBLETYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bEnable;          /**< Enable/disable for treble control */
+    OMX_S32  nTreble;          /**< treble setting for the port, as a
+                                    continuous value from -100 to 100  
+                                    (0 means no change in treble level) */
+} OMX_AUDIO_CONFIG_TREBLETYPE;
+
+
+/** An equalizer is typically used for two reasons: to compensate for an 
+ *  sub-optimal frequency response of a system to make it sound more natural 
+ *  or to create intentionally some unnatural coloring to the sound to create
+ *  an effect.
+ *  @ingroup effects
+ */
+typedef struct OMX_AUDIO_CONFIG_EQUALIZERTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bEnable;          /**< Enable/disable for equalizer */
+    OMX_BU32 sBandIndex;       /**< Band number to be set.  Upper Limit is 
+                                    N-1, where N is the number of bands, lower limit is 0 */
+    OMX_BU32 sCenterFreq;      /**< Center frequecies in Hz.  This is a
+                                    read only element and is used to determine 
+                                    the lower, center and upper frequency of 
+                                    this band.  */
+    OMX_BS32 sBandLevel;       /**< band level in millibels */
+} OMX_AUDIO_CONFIG_EQUALIZERTYPE;
+
+
+/** Stereo widening mode type 
+ * @ingroup effects
+ */ 
+typedef enum OMX_AUDIO_STEREOWIDENINGTYPE {
+    OMX_AUDIO_StereoWideningHeadphones,    /**< Stereo widening for loudspeakers */
+    OMX_AUDIO_StereoWideningLoudspeakers,  /**< Stereo widening for closely spaced loudspeakers */
+    OMX_AUDIO_StereoWideningKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+    OMX_AUDIO_StereoWideningVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+    OMX_AUDIO_StereoWideningMax = 0x7FFFFFFF
+} OMX_AUDIO_STEREOWIDENINGTYPE;
+
+
+/** Control for stereo widening, which is a special 2-channel
+ *  case of the audio virtualizer effect. For example, for 5.1-channel 
+ *  output, it translates to virtual surround sound. 
+ * @ingroup effects
+ */ 
+typedef struct OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bEnable;          /**< Enable/disable for stereo widening control */
+    OMX_AUDIO_STEREOWIDENINGTYPE eWideningType; /**< Stereo widening algorithm type */
+    OMX_U32  nStereoWidening;  /**< stereo widening setting for the port,
+                                    as a continuous value from 0 to 100  */
+} OMX_AUDIO_CONFIG_STEREOWIDENINGTYPE;
+
+
+/** The chorus effect (or ``choralizer'') is any signal processor which makes
+ *  one sound source (such as a voice) sound like many such sources singing 
+ *  (or playing) in unison. Since performance in unison is never exact, chorus 
+ *  effects simulate this by making independently modified copies of the input 
+ *  signal. Modifications may include (1) delay, (2) frequency shift, and 
+ *  (3) amplitude modulation.
+ * @ingroup effects
+ */
+typedef struct OMX_AUDIO_CONFIG_CHORUSTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bEnable;          /**< Enable/disable for chorus */
+    OMX_BU32 sDelay;           /**< average delay in milliseconds */
+    OMX_BU32 sModulationRate;  /**< rate of modulation in millihertz */
+    OMX_U32 nModulationDepth;  /**< depth of modulation as a percentage of 
+                                    delay (i.e. 0 to 100) */
+    OMX_BU32 nFeedback;        /**< Feedback from chorus output to input in percentage */
+} OMX_AUDIO_CONFIG_CHORUSTYPE;
+
+
+/** Reverberation is part of the reflected sound that follows the early 
+ *  reflections. In a typical room, this consists of a dense succession of 
+ *  echoes whose energy decays exponentially. The reverberation effect structure 
+ *  as defined here includes both (early) reflections as well as (late) reverberations. 
+ * @ingroup effects
+ */
+typedef struct OMX_AUDIO_CONFIG_REVERBERATIONTYPE {
+    OMX_U32 nSize;                /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;     /**< OMX specification version information */
+    OMX_U32 nPortIndex;           /**< port that this structure applies to */
+    OMX_BOOL bEnable;             /**< Enable/disable for reverberation control */
+    OMX_BS32 sRoomLevel;          /**< Intensity level for the whole room effect 
+                                       (i.e. both early reflections and late 
+                                       reverberation) in millibels */
+    OMX_BS32 sRoomHighFreqLevel;  /**< Attenuation at high frequencies
+                                       relative to the intensity at low
+                                       frequencies in millibels */
+    OMX_BS32 sReflectionsLevel;   /**< Intensity level of early reflections
+                                       (relative to room value), in millibels */
+    OMX_BU32 sReflectionsDelay;   /**< Delay time of the first reflection relative 
+                                       to the direct path, in milliseconds */
+    OMX_BS32 sReverbLevel;        /**< Intensity level of late reverberation
+                                       relative to room level, in millibels */
+    OMX_BU32 sReverbDelay;        /**< Time delay from the first early reflection 
+                                       to the beginning of the late reverberation 
+                                       section, in milliseconds */
+    OMX_BU32 sDecayTime;          /**< Late reverberation decay time at low
+                                       frequencies, in milliseconds */
+    OMX_BU32 nDecayHighFreqRatio; /**< Ratio of high frequency decay time relative 
+                                       to low frequency decay time in percent  */
+    OMX_U32 nDensity;             /**< Modal density in the late reverberation decay,
+                                       in percent (i.e. 0 - 100) */
+    OMX_U32 nDiffusion;           /**< Echo density in the late reverberation decay,
+                                       in percent (i.e. 0 - 100) */
+    OMX_BU32 sReferenceHighFreq;  /**< Reference high frequency in Hertz. This is 
+                                       the frequency used as the reference for all 
+                                       the high-frequency settings above */
+
+} OMX_AUDIO_CONFIG_REVERBERATIONTYPE;
+
+
+/** Possible settings for the Echo Cancelation structure to use 
+ * @ingroup effects
+ */
+typedef enum OMX_AUDIO_ECHOCANTYPE {
+   OMX_AUDIO_EchoCanOff = 0,    /**< Echo Cancellation is disabled */
+   OMX_AUDIO_EchoCanNormal,     /**< Echo Cancellation normal operation - 
+                                     echo from plastics and face */
+   OMX_AUDIO_EchoCanHFree,      /**< Echo Cancellation optimized for 
+                                     Hands Free operation */
+   OMX_AUDIO_EchoCanCarKit,    /**< Echo Cancellation optimized for 
+                                     Car Kit (longer echo) */
+   OMX_AUDIO_EchoCanKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
+   OMX_AUDIO_EchoCanVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
+   OMX_AUDIO_EchoCanMax = 0x7FFFFFFF
+} OMX_AUDIO_ECHOCANTYPE;
+
+
+/** Enable / Disable for echo cancelation, which removes undesired echo's
+ *  from the audio
+ * @ingroup effects
+ */ 
+typedef struct OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_AUDIO_ECHOCANTYPE eEchoCancelation; /**< Echo cancelation settings */
+} OMX_AUDIO_CONFIG_ECHOCANCELATIONTYPE;
+
+
+/** Enable / Disable for noise reduction, which undesired noise from
+ * the audio
+ * @ingroup effects
+ */ 
+typedef struct OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE {
+    OMX_U32 nSize;             /**< size of the structure in bytes */
+    OMX_VERSIONTYPE nVersion;  /**< OMX specification version information */
+    OMX_U32 nPortIndex;        /**< port that this structure applies to */
+    OMX_BOOL bNoiseReduction;  /**< Enable/disable for noise reduction */
+} OMX_AUDIO_CONFIG_NOISEREDUCTIONTYPE;
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif
+/* File EOF */
+