mp3dec.h

本程序为ST公司开发的源代码

/*
 * $Copyright: 
 * ----------------------------------------------------------------
 * This confidential and proprietary software may be used only as
 * authorised by a licensing agreement from ARM Limited
 *   (C) COPYRIGHT 2002 ARM Limited
 *       ALL RIGHTS RESERVED
 * The entire notice above must be reproduced on all authorised
 * copies and copies may only be made to the extent permitted
 * by a licensing agreement from ARM Limited.
 * ----------------------------------------------------------------
 * File:     mp3dec.h,v
 * Revision: 1.2
 * ----------------------------------------------------------------
 * $
 */
 
#ifndef _MP3_COMMON_API_
#define _MP3_COMMON_API_
 
#include "audiodec.h"
 
#ifdef __cplusplus
extern "C" {
#endif



#ifdef __ARMCC_VERSION
/* ARM compiler */
__weak const AudioDecoder MP3DecoderHPQ;
__weak const AudioDecoder MP3DecoderXP;
#else
/* GCC */
AudioDecoder MP3DecoderHPQ __attribute__((weak));
AudioDecoder MP3DecoderXP __attribute__((weak));
#endif

/*
 * Use function names directly in ROPI builds.
 * See the common audio API document for details.
 */
eDecoderStatus MP3DecoderRequirements ( oDecoderReference decoderReference,
                                        sDecoderRequirements *requirements, 
                                        sDecoderFormats *formats );

oDecoderHandle MP3DecoderCreate ( oDecoderReference decoderReference,
                                  void *state,
                                  void *scratch,
                                  const sDecoderFormats *formats );

eDecoderStatus MP3DecoderOpenBitstream ( oDecoderHandle handle,
                                         void *scratch,
                                         sDecoderBitstream *bitstream,
                                         const sDecoderFormats *formats );

eDecoderStatus MP3DecodeHeader( oDecoderHandle handle,
                                void *scratch,
                                sDecoderBitstream *bitstream);

eDecoderStatus MP3DecodeFrame ( oDecoderHandle handle,
                                void *scratch,
                                sDecoderOutput *output,
                                sDecoderBitstream  *bitstream
                               );
                               
eDecoderStatus MP3BitstreamSeekBytes( int                bytesToSkip,
                                      oDecoderHandle     handle,
                                      void               *scratch,
                                      sDecoderBitstream  *bitstream
                                    );
                                    
eDecoderStatus MP3BitstreamSeekTime( int                timeToSkip,
                                     oDecoderHandle     handle,
                                     void               *scratch,
                                     sDecoderBitstream  *bitstream
                                   );
                                   
eDecoderStatus MP3DecoderCloseBitstream ( oDecoderHandle handle,
                                          void *scratch 
                                        );
                                        
eDecoderStatus MP3DecoderDestroy ( oDecoderHandle handle,
                                   void *scratch 
                                 );        
#ifdef __cplusplus
}
#endif

#endif /* _MP3_COMMON_API_ */