Jason Felds
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
#include "global.h"
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#include "MovieTexture_DShowHelper.h"
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#include "RageUtil.h"
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#include "RageLog.h"
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#include "archutils/Win32/DirectXHelpers.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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m_OneFrameDecoded( "m_OneFrameDecoded", 0 )
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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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m_pTexture = NULL;
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}
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CTextureRenderer::~CTextureRenderer()
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{
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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. DirectShow won't generate a FMT_RGB5 that OpenGL
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* can handle. It's faster to generate FMT8 and let OpenGL convert on the fly
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* than to generate FMT_RGB5 and convert it ourself. */
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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( MovieTexture_DShow* 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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void CTextureRenderer::OnReceiveFirstSample( IMediaSample * pSample )
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{
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/* If the main thread is in MovieTexture_DShow::Create, kick: */
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if( m_OneFrameDecoded.GetValue() == 0 )
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m_OneFrameDecoded.Post();
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DoRenderSample( pSample );
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}
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/*
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* (c) 2001-2004 Chris Danford, Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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