Glenn Maynard
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
#include "stdafx.h"
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#include "RageMovieTextureHelper.h"
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#include "RageUtil.h"
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#include "RageLog.h"
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//-----------------------------------------------------------------------------
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// Define GUID for Texture Renderer
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// {71771540-2017-11cf-AE26-0020AFD79767}
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//-----------------------------------------------------------------------------
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struct __declspec(uuid("{71771540-2017-11cf-ae26-0020afd79767}")) CLSID_TextureRenderer;
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static HRESULT CBV_ret;
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CTextureRenderer::CTextureRenderer()
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: CBaseVideoRenderer(__uuidof(CLSID_TextureRenderer),
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NAME("Texture Renderer"), NULL, &CBV_ret)
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{
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if( FAILED(CBV_ret) )
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RageException::Throw( hr_ssprintf(CBV_ret, "Could not create texture renderer object!") );
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// Store and ARageef the texture for our use.
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m_pTexture = NULL;
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}
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CTextureRenderer::~CTextureRenderer()
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{
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// Do nothing
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}
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HRESULT CTextureRenderer::CheckMediaType(const CMediaType *pmt)
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{
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VIDEOINFO *pvi;
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// Reject the connection if this is not a video type
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if( *pmt->FormatType() != FORMAT_VideoInfo )
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return E_INVALIDARG;
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// Force the graph to R8G8B8.
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pvi = (VIDEOINFO *)pmt->Format();
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if(IsEqualGUID( *pmt->Type(), MEDIATYPE_Video) &&
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IsEqualGUID( *pmt->Subtype(), MEDIASUBTYPE_RGB24))
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return S_OK;
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return E_FAIL;
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}
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// SetMediaType: Graph connection has been made.
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HRESULT CTextureRenderer::SetMediaType(const CMediaType *pmt)
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{
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// Retrive the size of this media type
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VIDEOINFO *pviBmp; // Bitmap info header
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pviBmp = (VIDEOINFO *)pmt->Format();
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m_lVidWidth = pviBmp->bmiHeader.biWidth;
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m_lVidHeight = abs(pviBmp->bmiHeader.biHeight);
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m_lVidPitch = (m_lVidWidth * 3 + 3) + ~3; // We are forcing RGB24
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return S_OK;
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}
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void CTextureRenderer::SetRenderTarget( RageMovieTexture* pTexture )
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{
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m_pTexture = pTexture;
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}
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// DoRenderSample: A sample has been delivered. Copy it.
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HRESULT CTextureRenderer::DoRenderSample( IMediaSample * pSample )
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{
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if( m_pTexture == NULL )
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{
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LOG->Warn( "DoRenderSample called while m_pTexture was NULL!" );
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return S_OK;
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}
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BYTE *pBmpBuffer; // Bitmap buffer
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// Get the video bitmap buffer
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pSample->GetPointer( &pBmpBuffer );
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// Copy the bits
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m_pTexture->NewData((char *) pBmpBuffer);
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return S_OK;
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}
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