Add support for 0% and negative background rates. This isn't supported by many codecs though...

2003-08-04 00:04:28 +00:00
parent 061bf51dc1
commit c74333eeb5
5 changed files with 29 additions and 14 deletions
@@ -453,13 +453,25 @@ void MovieTexture_DShow::SetPosition( float fSeconds )

 void MovieTexture_DShow::SetPlaybackRate( float fRate )
 {
+	if( fRate == 0 )
+	{
+		this->Pause();
+		return;
+	}
+
 	SkipUpdates();

 	CComPtr<IMediaPosition> pMP;
-    m_pGB.QueryInterface(&pMP);
-    pMP->put_Rate(fRate);
+	m_pGB.QueryInterface(&pMP);
+	HRESULT hr = pMP->put_Rate(fRate);	// fails on many codecs

 	StopSkippingUpdates();
+
+	if( FAILED(hr) )
+	{
+		this->Pause();
+		return;
+	}
 }

 bool MovieTexture_DShow::IsPlaying() const