ofxGStreamer can play movie with alpha.
it doesn’t contain code. only setting.
need to install gstreamer.
check under site.
https://github.com/arturoc/ofxGStreamer
#include "ofApp.h"
#include "ofGstVideoPlayer.h"
//--------------------------------------------------------------
void ofApp::setup(){
player.setPlayer(ofPtr<ofGstVideoPlayer>(new ofGstVideoPlayer));
player.setPixelFormat(OF_PIXELS_BGRA);
player.loadMovie("alpha.mov");
player.play();
}
//--------------------------------------------------------------
void ofApp::update(){
player.update();
}
//--------------------------------------------------------------
void ofApp::draw(){
ofBackground(255,0,0);
player.draw(0,0);
}
//--------------------------------------------------------------
void ofApp::keyPressed(int key){
if(key==0x31){
player.loadMovie("alpha.mov");
player.play();
}
else if(key==0x32){
player.stop();
player.close();
}
}
#pragma once
#include "ofMain.h"
class ofApp : public ofBaseApp{
public:
void setup();
void update();
void draw();
void keyPressed(int key);
void keyReleased(int key);
void mouseMoved(int x, int y );
void mouseDragged(int x, int y, int button);
void mousePressed(int x, int y, int button);
void mouseReleased(int x, int y, int button);
void mouseEntered(int x, int y);
void mouseExited(int x, int y);
void windowResized(int w, int h);
void dragEvent(ofDragInfo dragInfo);
void gotMessage(ofMessage msg);
ofVideoPlayer player;
};