add RageMovieTexture abstraction

2003-02-20 03:34:30 +00:00
parent f85bfc391b
commit c457452a49
8 changed files with 631 additions and 32 deletions
@@ -0,0 +1,85 @@
+#include "global.h"
+#include "MovieTexture_DShowHelper.h"
+#include "RageUtil.h"
+#include "RageLog.h"
+
+//-----------------------------------------------------------------------------
+// Define GUID for Texture Renderer
+// {71771540-2017-11cf-AE26-0020AFD79767}
+//-----------------------------------------------------------------------------
+struct __declspec(uuid("{71771540-2017-11cf-ae26-0020afd79767}")) CLSID_TextureRenderer;
+
+static HRESULT CBV_ret;
+CTextureRenderer::CTextureRenderer()
+                                   : CBaseVideoRenderer(__uuidof(CLSID_TextureRenderer), 
+                                   NAME("Texture Renderer"), NULL, &CBV_ret)
+{
+    if( FAILED(CBV_ret) )
+        RageException::Throw( hr_ssprintf(CBV_ret, "Could not create texture renderer object!") );
+
+    // Store and ARageef the texture for our use.
+	m_pTexture = NULL;
+}
+
+CTextureRenderer::~CTextureRenderer()
+{
+    // Do nothing
+}
+
+
+HRESULT CTextureRenderer::CheckMediaType(const CMediaType *pmt)
+{
+    VIDEOINFO *pvi;
+    
+    // Reject the connection if this is not a video type
+    if( *pmt->FormatType() != FORMAT_VideoInfo )
+        return E_INVALIDARG;
+    
+	// Force the graph to R8G8B8.
+    pvi = (VIDEOINFO *)pmt->Format();
+    if(IsEqualGUID( *pmt->Type(),    MEDIATYPE_Video)  &&
+       IsEqualGUID( *pmt->Subtype(), MEDIASUBTYPE_RGB24))
+        return S_OK;
+    
+    return E_FAIL;
+}
+
+
+// SetMediaType: Graph connection has been made. 
+HRESULT CTextureRenderer::SetMediaType(const CMediaType *pmt)
+{
+    // Retrive the size of this media type
+    VIDEOINFO *pviBmp;                      // Bitmap info header
+    pviBmp = (VIDEOINFO *)pmt->Format();
+    m_lVidWidth  = pviBmp->bmiHeader.biWidth;
+    m_lVidHeight = abs(pviBmp->bmiHeader.biHeight);
+    m_lVidPitch = (m_lVidWidth * 3 + 3) + ~3; // We are forcing RGB24
+
+    return S_OK;
+}
+
+
+void CTextureRenderer::SetRenderTarget( MovieTexture_DShow* pTexture )
+{
+	m_pTexture = pTexture;
+}
+
+// DoRenderSample: A sample has been delivered. Copy it.
+HRESULT CTextureRenderer::DoRenderSample( IMediaSample * pSample )
+{
+	if( m_pTexture == NULL )
+	{
+		LOG->Warn( "DoRenderSample called while m_pTexture was NULL!" );
+		return S_OK;
+	}
+
+    BYTE  *pBmpBuffer;		// Bitmap buffer
+
+    // Get the video bitmap buffer
+    pSample->GetPointer( &pBmpBuffer );
+
+    // Copy the bits    
+	m_pTexture->NewData((char *) pBmpBuffer);
+
+    return S_OK;
+}