ref: 178d2f4e52662b325a770a58dee562f7461e9ce0
dir: /CoreAAC/CoreAAC.h/
/*
* CoreAAC - AAC DirectShow Decoder Filter
*
* Modification to decode AAC without ADTS and multichannel support
* christophe.paris@free.fr
*
* Under section 8 of the GNU General Public License, the copyright
* holders of CoreAAC explicitly forbid distribution in the following
* countries:
* - Japan
* - United States of America
*
*
* AAC DirectShow Decoder Filter
* Copyright (C) 2003 Robert Cioch
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "../faad2/include/faad.h"
// ===========================================================================================
class CCoreAACDecoder : public CTransformFilter,
public ISpecifyPropertyPages,
public ICoreAACDec
{
public :
DECLARE_IUNKNOWN
static CUnknown *WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
CCoreAACDecoder(LPUNKNOWN lpunk, HRESULT *phr);
virtual ~CCoreAACDecoder();
// ----- ISpecifyPropertyPages -----
STDMETHODIMP GetPages(CAUUID *pPages);
// ----- ITransformFilter -----
HRESULT Transform(IMediaSample *pIn, IMediaSample *pOut);
HRESULT CheckInputType(const CMediaType *mtIn);
HRESULT CheckTransform(const CMediaType *mtIn, const CMediaType *mtOut);
HRESULT DecideBufferSize(IMemAllocator *pAllocator, ALLOCATOR_PROPERTIES *pprop);
HRESULT GetMediaType(int iPosition, CMediaType *pMediaType);
HRESULT CompleteConnect(PIN_DIRECTION direction, IPin *pReceivePin);
HRESULT StartStreaming(void);
bool Decode(BYTE *pSrc, DWORD SrcLength, BYTE *pDst, DWORD DstLength, DWORD *ActualDstLength);
// ----- ICoreAACDec -----
STDMETHODIMP get_ProfileName(char** name);
STDMETHODIMP get_SampleRate(int* sample_rate);
STDMETHODIMP get_Channels(int *channels);
STDMETHODIMP get_BitsPerSample(int *bits_per_sample);
STDMETHODIMP get_Bitrate(int *bitrate);
STDMETHODIMP get_FramesDecoded(unsigned int *frames_decoded);
STDMETHODIMP get_DownMatrix(bool *down_matrix);
STDMETHODIMP set_DownMatrix(bool down_matrix);
private:
unsigned char* m_decoderSpecific;
int m_decoderSpecificLen;
faacDecHandle m_decHandle;
int m_Channels;
int m_SamplesPerSec;
int m_BitsPerSample;
bool m_DownMatrix;
char m_ProfileName[64];
unsigned int m_Bitrate;
unsigned int m_brCalcFrames;
unsigned int m_brBytesConsumed;
unsigned int m_DecodedFrames;
unsigned int m_OutputBuffLen;
};
// ===========================================================================================