#include?“stdafx.h“
#include?“D3D9VideoRenderChannel.h“


int	CD3D9VideoRenderChannel::CreateNew（CD3D9VideoRenderChannel?**ppv）
{
	if?（ppv?==?nullptr）
		return?1;

	（*ppv）?=?new?CD3D9VideoRenderChannel（）;
	if?（（*ppv）?==?nullptr）
	{
		return?1;
	}

	return?0;
}

void?CD3D9VideoRenderChannel::Release（）
{
	delete?this;
}

bool?CD3D9VideoRenderChannel::IsOpen（）
{
	return?m_bOpened;
}

int	CD3D9VideoRenderChannel::OpenVideoDraw（HWND?hWnd?uint32_t?uWidth?uint32_t?uHeight）
{
	if?（（hWnd?==?nullptr）?||?（uWidth??5000）?||?（uHeight??5000））
		return?1;

	m_hRenderWnd?=?hWnd;
	m_uWidth	?=?uWidth;
	m_uHeight	?=?uHeight;

	CloseVideoDraw（）;

	HRESULT?hResult			=?S_OK;
	DWORD	dwBehaviorFlags?=?0;

	do?
	{
		m_pD3D9?=?Direct3DCreate9（D3D_SDK_VERSION）;
		CHECK_BREAK（m_pD3D9?==?nullptr）;
		D3DDISPLAYMODE?sDisplayMode?=?{?0?};
		hResult?=?m_pD3D9->GetAdapterDisplayMode（D3DADAPTER_DEFAULT?&sDisplayMode）;
		CHECK_BREAK（FAILED（hResult））;
		D3DCAPS9?sCaps;
		hResult?=?m_pD3D9->GetDeviceCaps（D3DADAPTER_DEFAULT?D3DDEVTYPE_HAL?&sCaps）;
		CHECK_BREAK（FAILED（hResult））;
		dwBehaviorFlags?=?D3DCREATE_SOFTWARE_VERTEXPROCESSING?|?D3DCREATE_MULTITHREADED?|?D3DCREATE_FPU_PRESERVE;
		if?（sCaps.DevCaps?&?D3DDEVCAPS_HWTRANSFORMANDLIGHT）
		{
			dwBehaviorFlags?=?D3DCREATE_HARDWARE_VERTEXPROCESSING?|?D3DCREATE_MULTITHREADED?|?D3DCREATE_FPU_PRESERVE;
		}
		memset（&m_sPresentParams?0?sizeof（m_sPresentParams））;
		m_sPresentParams.Windowed					=?TRUE;
		m_sPresentParams.BackBufferFormat			=?sDisplayMode.Format;
		m_sPresentParams.BackBufferCount			=?0;
		m_sPresentParams.hDeviceWindow				=?m_hRenderWnd;
		m_sPresentParams.SwapEffect					=?D3DSWAPEFFECT_DISCARD;
		m_sPresentParams.EnableAutoDepthStencil		=?FALSE;
		m_sPresentParams.Flags						=?D3DPRESENTFLAG_VIDEO;
		m_sPresentParams.FullScreen_RefreshRateInHz?=?D3DPRESENT_RATE_DEFAULT;
		m_sPresentParams.PresentationInterval		=?D3DPRESENT_INTERVAL_IMMEDIATE;
		hResult?=?m_pD3D9->CreateDevice（D3DADAPTER_DEFAULT?D3DDEVTYPE_HAL?m_hRenderWnd?dwBehaviorFlags?&m_sPresentParams?&m_pD3DDevice9）;
		CHECK_BREAK（FAILED（hResult））;
		m_bOpened?=?true;
	}?while?（false）;

	if?（!m_bOpened）
	{
		CloseVideoDraw（）;
	}

	return?m_bOpened???0?:?1;
}

void?CD3D9VideoRenderChannel::CloseVideoDraw（）
{
	if?（m_pBackBuffer）
	{
		m_pBackBuffer->Release（）;
		m_pBackBuffer?=?nullptr;
	}
	if?（m_pD3DDevice9）
	{
		IDirect3DDevice9_Release（m_pD3DDevice9）;
		m_pD3DDevice9?=?nullptr;
	}
	if?（m_pD3D9）
	{
		IDirect3D9_Release（m_pD3D9）;
		m_pD3D9?=?nullptr;
	}

	m_bOpened?=?false;
}

int	CD3D9VideoRenderChannel::ChangeVideoParam（HWND?hWnd?uint32_t?uWidth?uint32_t?uHeight）
{
	CloseVideoDraw（）;
	return?OpenVideoDraw（hWnd?uWidth?uHeight）;
}

int	CD3D9VideoRenderChannel::RenderData（AVframe?*pframe）
{
	assert（pframe?!=?nullptr）;

	int?iReturn?=?1;

	while?（m_bOpened）
	{
		iReturn?=?0;
		RECT?rcViewport;
		GetClientRec