DummyVideo: add setFrame

Clement Champetier · Clement Champetier · commit 672eea89b3a9 · 2014-07-18T17:50:32.000+02:00
* Can create a dummyVideo, and set its Frame.
* When read the next frame of the object, read silent(black) if no
specific Frame was set, or read the data of the Frame specified.
diff --git a/src/AvTranscoder/EssenceStream/DummyVideo.cpp b/src/AvTranscoder/EssenceStream/DummyVideo.cpp
@@ -8,6 +8,7 @@ namespace avtranscoder
 
 DummyVideo::DummyVideo( )
 	: InputEssence( )
+	, _inputFrame( NULL )
 	, _numberOfView( 1 )
 {
 }
@@ -27,13 +28,25 @@ VideoDesc DummyVideo::getVideoDesc() const
 	return _videoDesc;
 }
 
+void DummyVideo::setFrame( Frame& inputFrame )
+{
+	_inputFrame = &inputFrame;
+}
+
 bool DummyVideo::readNextFrame( Frame& frameBuffer )
 {
 	frameBuffer.getBuffer().resize( _imageDesc.getDataSize() );
 
-	int fillChar = 0; // fill images with black
-	memset( frameBuffer.getPtr(), fillChar, frameBuffer.getSize() );
-
+	if( ! _inputFrame )
+	{
+		int fillChar = 0; // fill images with black
+		memset( frameBuffer.getPtr(), fillChar, frameBuffer.getSize() );
+		return true;
+	}
+	
+	if( frameBuffer.getSize() != _inputFrame->getSize() )
+		frameBuffer.getBuffer().resize( _inputFrame->getSize() );
+	std::memcpy( frameBuffer.getPtr(), _inputFrame->getPtr(), _inputFrame->getSize() );
 	return true;
 }
 
diff --git a/src/AvTranscoder/EssenceStream/DummyVideo.hpp b/src/AvTranscoder/EssenceStream/DummyVideo.hpp
@@ -23,10 +23,13 @@ class AvExport DummyVideo : public InputEssence
 	
 	void setup() {}
 
+	void setFrame( Frame& inputFrame );
+	
 	bool readNextFrame( Frame& frameBuffer );
 	bool readNextFrame( Frame& frameBuffer, const size_t subStreamIndex );
 
 private:
+	Frame*    _inputFrame;
 	VideoDesc _videoDesc;
 	ImageDesc _imageDesc;
 
