161 lines
7.4 KiB
C
161 lines
7.4 KiB
C
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/***************************************************************************\
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*
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* (C) copyright Fraunhofer - IIS (2001)
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* All Rights Reserved
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*
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* $Header: /cvs/root/winamp/aacdec/incs/mp4AudioDecIfc.h,v 1.3 2012/05/08 20:16:49 audiodsp Exp $
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* project : MPEG-4 Audio Decoder
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* contents/description: interface to mpeg-4 audio decoder
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*
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* This software and/or program is protected by copyright law and
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* international treaties. Any reproduction or distribution of this
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* software and/or program, or any portion of it, may result in severe
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* civil and criminal penalties, and will be prosecuted to the maximum
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* extent possible under law.
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*
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\***************************************************************************/
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#ifndef __MP4AUDIODECIFC_H__
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#define __MP4AUDIODECIFC_H__
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#include "mp4dec_helpers/err_code.h"
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#include "mp4dec_asc/audiospecificconfig_c.h"
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#include "mp4dec_helpers/usrparam.h"
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#include "mp4dec_helpers/aubuffer_c.h"
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#include "mp4dec_helpers/cubuffer_c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#if defined(WIN32) || defined(WIN64)
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#pragma pack(push, 8)
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#endif
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/* data types */
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typedef struct mp4AudioDecoder_VersionInfo {
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char dateTime[80];
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char versionNo[40];
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char options[1024];
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char options_ext[4096];
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} mp4AudioDecoder_VersionInfo;
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/* Opaque declaration of decoder handle */
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struct mp4AudioDecoder;
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typedef struct mp4AudioDecoder* mp4AudioDecoderHandle;
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/* mandatory decoder functions */
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mp4AudioDecoderHandle MP4AUDIODECAPI mp4AudioDecoder_Create(
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const struct CSAudioSpecificConfig * const asc[],
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const unsigned int noOfLayers
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_SetParam(
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const mp4AudioDecoderHandle self,
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const unsigned int param,
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const float value
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_DecodeFrame(
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mp4AudioDecoderHandle self,
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struct CAccessUnit* auBuffer[],
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struct CCompositionUnit* cuBuffer
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_Destroy(mp4AudioDecoderHandle* self);
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/* utility functions */
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_Reset(
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mp4AudioDecoderHandle self,
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const unsigned int param,
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int value
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_Flush(
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mp4AudioDecoderHandle self,
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struct CCompositionUnit* cuBuffer
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_GetBufferFullness(
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const mp4AudioDecoderHandle self,
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const unsigned int layer,
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unsigned int* bufferfullness
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_GetSamplesPerFrame(
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const mp4AudioDecoderHandle self,
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unsigned int* spf
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_SetOutputLayer(
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const mp4AudioDecoderHandle self,
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const unsigned int outputLayer
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);
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/* MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_SetSpeedPitch( */
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/* const mp4AudioDecoderHandle self, */
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/* const float speedChangeFactor, */
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/* const float pitchChangeFactor */
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/* ); */
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_GetLastError(const mp4AudioDecoderHandle self);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_GetLibraryVersion(mp4AudioDecoder_VersionInfo* versionInfo);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_ascParse(
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const unsigned char* decSpecificInfoBuf,
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const unsigned int decSpecificInfoBuf_len,
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struct CSAudioSpecificConfig* asc
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_ascParseStream(
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const unsigned char* decSpecificInfoBuf,
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struct CSAudioSpecificConfig* asc,
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int* bitsRead
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_ascParseExt(
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const unsigned char* const decSpecificInfoBuf[],
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const unsigned int decSpecificInfoBuf_len[],
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const unsigned int avgBitrate[],
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const unsigned int streams,
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unsigned int* layers, /* out */
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struct CSAudioSpecificConfig* asc[], /* out */
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unsigned int streamsPerLayer[] /* out */
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_ascPrint(
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unsigned int layers, /* in */
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struct CSAudioSpecificConfig* asc[], /* in */
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unsigned int stringLen, /* in */
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unsigned char string[] /* ptr in, content out */
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);
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MP4_RESULT MP4AUDIODECAPI mp4AudioDecoder_GetPcmWidth(
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const unsigned char* const decSpecificInfoBuf[],
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const unsigned int decSpecificInfoBuf_len[],
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const unsigned int streams,
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unsigned int* pcmwidth /* out */
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);
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#if defined(WIN32) || defined(WIN64)
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#pragma pack(pop)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __MP4AUDIODECIFC_H__ */
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