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174 lines
6.6 KiB
C
174 lines
6.6 KiB
C
13 years ago
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/*
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** Copyright 2003-2010, VisualOn, Inc.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/*******************************************************************************
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File: voAudio.h
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Content: Audio types and functions
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*******************************************************************************/
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#ifndef __voAudio_H__
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#define __voAudio_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include "voIndex.h"
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#include "voMem.h"
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#define VO_PID_AUDIO_BASE 0x42000000 /*!< The base param ID for AUDIO codec */
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#define VO_PID_AUDIO_FORMAT (VO_PID_AUDIO_BASE | 0X0001) /*!< The format data of audio in track */
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#define VO_PID_AUDIO_SAMPLEREATE (VO_PID_AUDIO_BASE | 0X0002) /*!< The sample rate of audio */
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#define VO_PID_AUDIO_CHANNELS (VO_PID_AUDIO_BASE | 0X0003) /*!< The channel of audio */
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#define VO_PID_AUDIO_BITRATE (VO_PID_AUDIO_BASE | 0X0004) /*!< The bit rate of audio */
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#define VO_PID_AUDIO_CHANNELMODE (VO_PID_AUDIO_BASE | 0X0005) /*!< The channel mode of audio */
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#define VO_ERR_AUDIO_BASE 0x82000000
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#define VO_ERR_AUDIO_UNSCHANNEL VO_ERR_AUDIO_BASE | 0x0001
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#define VO_ERR_AUDIO_UNSSAMPLERATE VO_ERR_AUDIO_BASE | 0x0002
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#define VO_ERR_AUDIO_UNSFEATURE VO_ERR_AUDIO_BASE | 0x0003
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/**
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*Enumeration used to define the possible audio coding formats.
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*/
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typedef enum VO_AUDIO_CODINGTYPE {
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VO_AUDIO_CodingUnused = 0, /**< Placeholder value when coding is N/A */
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VO_AUDIO_CodingPCM, /**< Any variant of PCM coding */
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VO_AUDIO_CodingADPCM, /**< Any variant of ADPCM encoded data */
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VO_AUDIO_CodingAMRNB, /**< Any variant of AMR encoded data */
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VO_AUDIO_CodingAMRWB, /**< Any variant of AMR encoded data */
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VO_AUDIO_CodingAMRWBP, /**< Any variant of AMR encoded data */
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VO_AUDIO_CodingQCELP13, /**< Any variant of QCELP 13kbps encoded data */
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VO_AUDIO_CodingEVRC, /**< Any variant of EVRC encoded data */
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VO_AUDIO_CodingAAC, /**< Any variant of AAC encoded data, 0xA106 - ISO/MPEG-4 AAC, 0xFF - AAC */
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VO_AUDIO_CodingAC3, /**< Any variant of AC3 encoded data */
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VO_AUDIO_CodingFLAC, /**< Any variant of FLAC encoded data */
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VO_AUDIO_CodingMP1, /**< Any variant of MP1 encoded data */
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VO_AUDIO_CodingMP3, /**< Any variant of MP3 encoded data */
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VO_AUDIO_CodingOGG, /**< Any variant of OGG encoded data */
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VO_AUDIO_CodingWMA, /**< Any variant of WMA encoded data */
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VO_AUDIO_CodingRA, /**< Any variant of RA encoded data */
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VO_AUDIO_CodingMIDI, /**< Any variant of MIDI encoded data */
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VO_AUDIO_CodingDRA, /**< Any variant of dra encoded data */
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VO_AUDIO_CodingG729, /**< Any variant of dra encoded data */
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VO_AUDIO_Coding_MAX = VO_MAX_ENUM_VALUE
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} VO_AUDIO_CODINGTYPE;
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/*!
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* the channel type value
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*/
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typedef enum {
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VO_CHANNEL_CENTER = 1, /*!<center channel*/
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VO_CHANNEL_FRONT_LEFT = 1<<1, /*!<front left channel*/
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VO_CHANNEL_FRONT_RIGHT = 1<<2, /*!<front right channel*/
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VO_CHANNEL_SIDE_LEFT = 1<<3, /*!<side left channel*/
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VO_CHANNEL_SIDE_RIGHT = 1<<4, /*!<side right channel*/
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VO_CHANNEL_BACK_LEFT = 1<<5, /*!<back left channel*/
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VO_CHANNEL_BACK_RIGHT = 1<<6, /*!<back right channel*/
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VO_CHANNEL_BACK_CENTER = 1<<7, /*!<back center channel*/
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VO_CHANNEL_LFE_BASS = 1<<8, /*!<low-frequency effects bass channel*/
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VO_CHANNEL_ALL = 0xffff,/*!<[default] include all channels */
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VO_CHANNEL_MAX = VO_MAX_ENUM_VALUE
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} VO_AUDIO_CHANNELTYPE;
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/**
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* General audio format info
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*/
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typedef struct
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{
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VO_S32 SampleRate; /*!< Sample rate */
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VO_S32 Channels; /*!< Channel count */
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VO_S32 SampleBits; /*!< Bits per sample */
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} VO_AUDIO_FORMAT;
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/**
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* General audio output info
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*/
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typedef struct
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{
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VO_AUDIO_FORMAT Format; /*!< Sample rate */
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VO_U32 InputUsed; /*!< Channel count */
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VO_U32 Resever; /*!< Resevered */
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} VO_AUDIO_OUTPUTINFO;
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/**
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* General audio codec function set
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*/
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typedef struct VO_AUDIO_CODECAPI
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{
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/**
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* Init the audio codec module and return codec handle
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* \param phCodec [OUT] Return the video codec handle
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* \param vType [IN] The codec type if the module support multi codec.
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* \param pUserData [IN] The init param. It is either a memory operator or an allocated memory
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* \retval VO_ERR_NONE Succeeded.
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*/
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VO_U32 (VO_API * Init) (VO_HANDLE * phCodec, VO_AUDIO_CODINGTYPE vType, VO_CODEC_INIT_USERDATA * pUserData );
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/**
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* Set input audio data.
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* \param hCodec [IN]] The codec handle which was created by Init function.
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* \param pInput [IN] The input buffer param.
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* \retval VO_ERR_NONE Succeeded.
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*/
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VO_U32 (VO_API * SetInputData) (VO_HANDLE hCodec, VO_CODECBUFFER * pInput);
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/**
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* Get the outut audio data
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* \param hCodec [IN]] The codec handle which was created by Init function.
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* \param pOutBuffer [OUT] The output audio data
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* \param pOutInfo [OUT] The codec fills audio format and the input data size used in current call.
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* pOutInfo->InputUsed is total used input data size in byte.
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* \retval VO_ERR_NONE Succeeded.
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* VO_ERR_INPUT_BUFFER_SMALL. The input was finished or the input data was not enought. Continue to input
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* data before next call.
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*/
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VO_U32 (VO_API * GetOutputData) (VO_HANDLE hCodec, VO_CODECBUFFER * pOutBuffer, VO_AUDIO_OUTPUTINFO * pOutInfo);
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/**
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* Set the parameter for the specified param ID.
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* \param hCodec [IN]] The codec handle which was created by Init function.
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* \param uParamID [IN] The param ID.
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* \param pData [IN] The param value.
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* \retval VO_ERR_NONE Succeeded.
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*/
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VO_U32 (VO_API * SetParam) (VO_HANDLE hCodec, VO_S32 uParamID, VO_PTR pData);
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/**
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* Get the parameter for the specified param ID.
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* \param hCodec [IN]] The codec handle which was created by Init function.
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* \param uParamID [IN] The param ID.
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* \param pData [IN] The param value.
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* \retval VO_ERR_NONE Succeeded.
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*/
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VO_U32 (VO_API * GetParam) (VO_HANDLE hCodec, VO_S32 uParamID, VO_PTR pData);
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/**
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* Uninit the Codec.
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* \param hCodec [IN]] The codec handle which was created by Init function.
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* \retval VO_ERR_NONE Succeeded.
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*/
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VO_U32 (VO_API * Uninit) (VO_HANDLE hCodec);
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} VO_AUDIO_CODECAPI;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif // __voAudio_H__
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