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/* ------------------------------------------------------------------
* Copyright (C) 1998-2010 PacketVideo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef PVMF_WAV_PARSER_H_INCLUDED
#define PVMF_WAV_PARSER_H_INCLUDED
#ifndef PVMF_FILEPARSER_INTERFACE_H_INCLUDED
#include "pvmf_fileparser_interface.h"
#endif
#ifndef PVMI_DS_BASIC_INTERFACE_H_INCLUDED
#include "pvmi_ds_basic_interface.h"
#endif
#define WAV_DATA_READ_IN_MSEC 100
enum PVWavSupportedFormatType
{
WAV_FORMAT_UNKNOWN = 0,
WAV_FORMAT_PCM = 1,
WAV_FORMAT_ALAW = 6,
WAV_FORMAT_MULAW = 7
};
class PVLogger;
class PVMFWavParser: public PVMFFileParserInterface
, public PvmiBasicDataStreamObs
{
public:
PVMFWavParser();
~PVMFWavParser();
bool Init(PvmiDataStreamInterface *aDataStream, int64 &aDuration, uint32& aTimescale,
PVMFParserFlags aFlags = PVMFParserParseClipAsAlongPlay);
// For WAV clips return number of tracks as one by default
inline uint32 GetNumTracks()
{
return 1;
};
PVMFParserReturnCode GetNextAccessUnits(GAU* aGau);
PVMFParserReturnCode Seek(int64 aSeekAt, int64& aSeekedTo);
void SetCallbackHandler(PVMFFileParserObserver* aParserUser);
void NotifyDataAvailable(OsclSizeT bytesRead, PvmiDataStreamStatus aStatus);
// RetrieveFileInfo - Function to return audio file info
void RetrieveFileInfo(PVFileInfo& aFileInfo);
private:
PvmiDataStreamInterface* iDataStream;
PVMFFileParserObserver* pParserUser;
OsclOffsetT iClipSize;
PVMFClipFormatType iClipFmt;
bool iLittleEndian;
uint16 iBitsPerSample;
uint16 iChannels;
uint32 iSamplesPerSec;
uint16 iBytesPerSample;
OsclOffsetT iStartOffset;
int64 iDuration;
short* pLawTable;
OsclOffsetT iEndDataChnkOffset;
uint32 iFramesRead;
GAU* iGau;
bool iEOSReached;
PVLogger* ipLogger;
};
#endif
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