Function drawVideosToCanvas

src/__tests__/MediaStreamRecorder.js:440–481

()

    };

    function drawVideosToCanvas() {
        if (isStopDrawingFrames) {
            return;
        }

        var videosLength = videos.length;

        var fullcanvas = false;
        var remaining = [];
        videos.forEach(function(video) {
            if (!video.stream) {
                video.stream = {};
            }

            if (video.stream.fullcanvas) {
                fullcanvas = video;
            } else {
                remaining.push(video);
            }
        });

        if (fullcanvas) {
            canvas.width = fullcanvas.stream.width;
            canvas.height = fullcanvas.stream.height;
        } else if (remaining.length) {
            canvas.width = videosLength > 1 ? remaining[0].width * 2 : remaining[0].width;
            canvas.height = videosLength > 2 ? remaining[0].height * 2 : remaining[0].height;
        } else {
            canvas.width = self.width || 360;
            canvas.height = self.height || 240;
        }

        if (fullcanvas && fullcanvas instanceof HTMLVideoElement) {
            drawImage(fullcanvas);
        }

        remaining.forEach(function(video, idx) {
            drawImage(video, idx);
        });

        setTimeout(drawVideosToCanvas, self.frameInterval);
    }

    function drawImage(video, idx) {
        if (isStopDrawingFrames) {