Windows2003-3790/enduser/netmeeting/av/nmcap/frameop.h
2020-09-30 16:53:55 +02:00

136 lines
2.9 KiB
C++

#include <windows.h>
#include <vfw.h>
#include <dcap.h>
#include "vidpool.h"
#include "effect.h"
#ifndef _FRAMEOP_H
#define _FRAMEOP_H
class CFrameOp
{
private:
LONG m_cRef;
public:
CFrameOp *m_next;
CVidPool *m_pool;
CFrameOp() {m_cRef = 0; m_next = NULL; m_pool = NULL; }
virtual ~CFrameOp() {};
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
virtual STDMETHODIMP DoOp(IBitmapSurface** ppbs) = 0;
};
class CCaptureFrame :
public CFrameOp
{
private:
HCAPDEV m_hcapdev;
HFRAMEBUF m_hbuf1;
HFRAMEBUF m_hbuf2;
public:
CCaptureFrame() { m_hcapdev = NULL; m_hbuf1 = NULL; m_hbuf2 = NULL; }
~CCaptureFrame();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
BOOL InitCapture(HCAPDEV hcapdev, LPBITMAPINFOHEADER lpbmh);
};
class CStreamCaptureFrame :
public CFrameOp
{
private:
HCAPDEV m_hcapdev;
public:
CStreamCaptureFrame() { m_hcapdev = NULL; }
~CStreamCaptureFrame();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
BOOL InitCapture(HCAPDEV hcapdev, LPBITMAPINFOHEADER lpbmh);
};
class CICMcvtFrame :
public CFrameOp
{
private:
HIC m_hic;
LPBITMAPINFOHEADER m_inlpbmh;
LPBITMAPINFOHEADER m_outlpbmh;
public:
CICMcvtFrame() { m_hic = NULL; m_inlpbmh = NULL; m_outlpbmh = NULL; }
~CICMcvtFrame();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
BOOL InitCvt(LPBITMAPINFOHEADER lpbmh, DWORD bmhLen,
LPBITMAPINFOHEADER *plpbmhdsp);
// if TRUE, then plpbmhdsp will point to allocated memory that the caller will
// be responsible for deallocating
// if FALSE, then plpbmhdsp will point to a copy lpbmh, if no conversion necessary,
// else it will be NULL to indicate that converion is not possible
};
class CFilterFrame :
public CFrameOp
{
private:
IBitmapEffect *m_effect;
BOOL m_inplace;
public:
CLSID m_clsid;
HANDLE m_tag;
BOOL m_enabled;
CFilterFrame() { m_effect = NULL; m_inplace = TRUE; m_enabled = TRUE; m_tag = 0; }
~CFilterFrame();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
BOOL InitFilter(IBitmapEffect *effect, LPBITMAPINFOHEADER lpbmhIn, CVidPool *pool);
};
class CFilterChain :
public CFrameOp
{
private:
public:
CFilterFrame *m_head;
CFilterChain() { m_head = NULL; }
~CFilterChain();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
};
typedef BOOL (FRAMECONVERTPROC) (IBitmapSurface*, IBitmapSurface*, LPVOID);
class CConvertFrame :
public CFrameOp
{
private:
FRAMECONVERTPROC *m_convert;
LPVOID m_refdata;
public:
CConvertFrame() { m_convert = NULL; m_refdata = NULL; }
~CConvertFrame();
STDMETHODIMP DoOp(IBitmapSurface** ppbs);
BOOL InitConverter(LPBITMAPINFOHEADER lpbmh, FRAMECONVERTPROC *convertproc, LPVOID refdata);
};
#endif // #ifndef _FRAMEOP_H