1 /* 2 * Copyright (c) 2010 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 /** OMX_AudioExt.h - OpenMax IL version 1.1.2 25 * The OMX_AudioExt header file contains extensions to the 26 * definitions used by both the application and the component to 27 * access video items. 28 */ 29 30 #ifndef OMX_AudioExt_h 31 #define OMX_AudioExt_h 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif /* __cplusplus */ 36 37 /* Each OMX header shall 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 #include <OMX_Core.h> 42 43 #define OMX_AUDIO_AACToolAndroidSSBR (OMX_AUDIO_AACToolVendor << 0) /**< SSBR: MPEG-4 Single-rate (downsampled) Spectral Band Replication tool allowed or active */ 44 #define OMX_AUDIO_AACToolAndroidDSBR (OMX_AUDIO_AACToolVendor << 1) /**< DSBR: MPEG-4 Dual-rate Spectral Band Replication tool allowed or active */ 45 46 typedef enum OMX_AUDIO_CODINGEXTTYPE { 47 OMX_AUDIO_CodingAndroidUnused = OMX_AUDIO_CodingKhronosExtensions + 0x00100000, 48 OMX_AUDIO_CodingAndroidAC3, /**< AC3 encoded data */ 49 OMX_AUDIO_CodingAndroidOPUS, /**< OPUS encoded data */ 50 OMX_AUDIO_CodingAndroidEAC3, /**< EAC3 encoded data */ 51 } OMX_AUDIO_CODINGEXTTYPE; 52 53 typedef struct OMX_AUDIO_PARAM_ANDROID_AC3TYPE { 54 OMX_U32 nSize; /**< size of the structure in bytes */ 55 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 56 OMX_U32 nPortIndex; /**< port that this structure applies to */ 57 OMX_U32 nChannels; /**< Number of channels */ 58 OMX_U32 nSampleRate; /**< Sampling rate of the source data. Use 0 for 59 variable or unknown sampling rate. */ 60 } OMX_AUDIO_PARAM_ANDROID_AC3TYPE; 61 62 typedef struct OMX_AUDIO_PARAM_ANDROID_EAC3TYPE { 63 OMX_U32 nSize; /**< size of the structure in bytes */ 64 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 65 OMX_U32 nPortIndex; /**< port that this structure applies to */ 66 OMX_U32 nChannels; /**< Number of channels */ 67 OMX_U32 nSampleRate; /**< Sampling rate of the source data. Use 0 for 68 variable or unknown sampling rate. */ 69 } OMX_AUDIO_PARAM_ANDROID_EAC3TYPE; 70 71 typedef struct OMX_AUDIO_PARAM_ANDROID_OPUSTYPE { 72 OMX_U32 nSize; /**< size of the structure in bytes */ 73 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 74 OMX_U32 nPortIndex; /**< port that this structure applies to */ 75 OMX_U32 nChannels; /**< Number of channels */ 76 OMX_U32 nBitRate; /**< Bit rate of the encoded data data. Use 0 for variable 77 rate or unknown bit rates. Encoding is set to the 78 bitrate closest to specified value (in bps) */ 79 OMX_U32 nSampleRate; /**< Sampling rate of the source data. Use 0 for 80 variable or unknown sampling rate. */ 81 OMX_U32 nAudioBandWidth; /**< Audio band width (in Hz) to which an encoder should 82 limit the audio signal. Use 0 to let encoder decide */ 83 } OMX_AUDIO_PARAM_ANDROID_OPUSTYPE; 84 85 typedef struct OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE { 86 OMX_U32 nSize; /**< size of the structure in bytes */ 87 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 88 OMX_S32 nMaxOutputChannels; /**< Maximum channel count to be output, -1 if unspecified, 0 if downmixing disabled */ 89 OMX_S32 nDrcCut; /**< The DRC attenuation factor, between 0 and 127, -1 if unspecified */ 90 OMX_S32 nDrcBoost; /**< The DRC amplification factor, between 0 and 127, -1 if unspecified */ 91 OMX_S32 nHeavyCompression; /**< 0 for light compression, 1 for heavy compression, -1 if unspecified */ 92 OMX_S32 nTargetReferenceLevel; /**< Target reference level, between 0 and 127, -1 if unspecified */ 93 OMX_S32 nEncodedTargetLevel; /**< Target reference level assumed at the encoder, between 0 and 127, -1 if unspecified */ 94 OMX_S32 nPCMLimiterEnable; /**< Signal level limiting, 0 for disable, 1 for enable, -1 if unspecified */ 95 } OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE; 96 97 #ifdef __cplusplus 98 } 99 #endif /* __cplusplus */ 100 101 #endif /* OMX_AudioExt_h */ 102 /* File EOF */ 103