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/*
* Copyright (C) 2010-2015 Hendrik Leppkes
* http://www.1f0.de
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "DecBase.h"
#include <mfidl.h>
#include <vector>
#include <queue>
////////////////////////////////////////////////////////////////////////////////
// Dynlink types
////////////////////////////////////////////////////////////////////////////////
typedef HRESULT STDAPICALLTYPE tMFStartup(ULONG Version, DWORD dwFlags);
typedef HRESULT STDAPICALLTYPE tMFShutdown();
typedef HRESULT STDAPICALLTYPE tMFCreateMediaType(IMFMediaType** ppMFType);
typedef HRESULT STDAPICALLTYPE tMFCreateSample(IMFSample **ppIMFSample);
typedef HRESULT STDAPICALLTYPE tMFCreateAlignedMemoryBuffer(DWORD cbMaxLength, DWORD cbAligment, IMFMediaBuffer **ppBuffer);
typedef HRESULT STDAPICALLTYPE tMFAverageTimePerFrameToFrameRate(UINT64 unAverageTimePerFrame, UINT32 *punNumerator, UINT32 *punDenominator);
#define MFMETHOD(name) tMF##name *##name
////////////////////////////////////////////////////////////////////////////////
// Class
////////////////////////////////////////////////////////////////////////////////
class CVC1HeaderParser;
typedef struct _Buffer {
IMFMediaBuffer *pBuffer = nullptr;
size_t size = 0;
bool used = false;
} Buffer;
class CDecWMV9MFT : public CDecBase
{
public:
CDecWMV9MFT(void);
virtual ~CDecWMV9MFT(void);
// ILAVDecoder
STDMETHODIMP InitDecoder(AVCodecID codec, const CMediaType *pmt);
STDMETHODIMP Decode(const BYTE *buffer, int buflen, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, BOOL bSyncPoint, BOOL bDiscontinuity);
STDMETHODIMP Flush();
STDMETHODIMP EndOfStream();
STDMETHODIMP GetPixelFormat(LAVPixelFormat *pPix, int *pBpp);
STDMETHODIMP_(BOOL) IsInterlaced();
STDMETHODIMP_(const WCHAR*) GetDecoderName() { return L"wmv9 mft"; }
STDMETHODIMP HasThreadSafeBuffers() { return S_OK; }
// CDecBase
STDMETHODIMP Init();
private:
STDMETHODIMP DestroyDecoder(bool bFull);
STDMETHODIMP ProcessOutput();
STDMETHODIMP SelectOutputType();
IMFMediaBuffer * CreateMediaBuffer(const BYTE * pData, DWORD dwDataLen);
static void wmv9_buffer_destruct(LAVFrame *pFrame);
IMFMediaBuffer *GetBuffer(size_t sRequiredSize);
void ReleaseBuffer(IMFMediaBuffer *pBuffer);
private:
IMFTransform *m_pMFT = nullptr;
BOOL m_bInterlaced = TRUE;
LAVPixelFormat m_OutPixFmt = LAVPixFmt_None;
AVCodecID m_nCodecId = AV_CODEC_ID_NONE;
CCritSec m_BufferCritSec;
std::vector<Buffer *> m_BufferQueue;
BOOL m_bNeedKeyFrame = TRUE;
BOOL m_bManualReorder = FALSE;
BOOL m_bReorderBufferValid = FALSE;
REFERENCE_TIME m_rtReorderBuffer = AV_NOPTS_VALUE;
std::queue<REFERENCE_TIME> m_timestampQueue;
CVC1HeaderParser *m_vc1Header = nullptr;
struct {
HMODULE mfplat = NULL;
MFMETHOD(Startup);
MFMETHOD(Shutdown);
MFMETHOD(CreateAlignedMemoryBuffer);
MFMETHOD(CreateSample);
MFMETHOD(CreateMediaType);
MFMETHOD(AverageTimePerFrameToFrameRate);
} MF;
};
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