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/*
* Copyright (C) 2010-2017 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 <dmo.h>
#include <vector>
#include <queue>
class CVC1HeaderParser;
class CDecWMV9 : public CDecBase
{
typedef struct _Buffer {
BYTE *buffer = nullptr;
size_t size = 0;
bool used = false;
} Buffer;
public:
CDecWMV9(void);
virtual ~CDecWMV9(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, IMediaSample *pSample);
STDMETHODIMP Flush();
STDMETHODIMP EndOfStream();
STDMETHODIMP GetPixelFormat(LAVPixelFormat *pPix, int *pBpp);
STDMETHODIMP_(REFERENCE_TIME) GetFrameDuration();
STDMETHODIMP_(BOOL) IsInterlaced(BOOL bAllowGuess);
STDMETHODIMP_(const WCHAR*) GetDecoderName() { return L"wmv9 dmo"; }
STDMETHODIMP HasThreadSafeBuffers() { return S_OK; }
// CDecBase
STDMETHODIMP Init();
private:
STDMETHODIMP DestroyDecoder(bool bFull);
STDMETHODIMP ProcessOutput();
static void wmv9_buffer_destruct(LAVFrame *pFrame);
BYTE *GetBuffer(size_t size);
void ReleaseBuffer(BYTE *buffer);
private:
IMediaObject *m_pDMO = nullptr;
CMediaType mtIn;
CMediaType mtOut;
DWORD m_pRawBufferSize = 0;
BOOL m_bInterlaced = TRUE;
AVRational m_StreamAR = AVRational{0, 0};
LAVPixelFormat m_OutPixFmt = LAVPixFmt_None;
AVCodecID m_nCodecId = AV_CODEC_ID_NONE;
CCritSec m_BufferCritSec;
std::vector<Buffer *> m_BufferQueue;
BOOL m_bNeedKeyFrame = FALSE;
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;
};
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