What's the best aproach to play propietary video format on iOS and Android QML app?

lqsa

My app needs to play propietary video format. Now I'm playing decoding the propietary format to a QImage for each frame and using a QQuickPaintedItem derived class to show the video. This class is registered on QML to use it from there.

class VideoPlayer : public QQuickPaintedItem {
public:
	void paint(QPainter *painter) override;
private:
	QImage _frame;
}


void VideoPlayer::paint(QPainter *painter)
{
    painter->drawImage(0, 0, _frame);
}

Is QQuickPaintedItem a slow technique? exist another better aproach?

SGaist

Hi,

What kind of proprietary format is that ?
Can something like ffmpeg read it ?

lqsa

No, ffmpeg can't read. It's a propietary format.

SGaist

Depending on how you decode your video, you can consider implementing a QMediaService plugin for QtMultimedia that will provide the QMediaPlayer bits that are needed to render your video.

lqsa

Is more quick than QQuickPaintedItem? Where can found any documentation and sample?

jsulm

@lqsa Documentation and samples for QMediaPlayer? Here: http://doc.qt.io/qt-5/qmediaplayer.html, http://doc.qt.io/qt-5/qtmultimedia-multimediawidgets-player-example.html

lqsa

This post is deleted!

lqsa

This post is deleted!

lqsa

@jsulm
Sorry, but in these links I can't find any documentation about QMediaService plugin and sample is with QWidgets.

SGaist

You can take a look at the QtMultimedia sources.