[Webkit-unassigned] [Bug 85851] MediaStream API: support MediaStreamRecorder implementation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=85851

--- Comment #74 from Marcos G. <marcosdg3 at gmail.com> ---
Is this related to https://bugs.webkit.org/show_bug.cgi?id=169870 ?

I attempted to specify the mediastream constraints using https://codepen.io/marcosdg3/pen/jOqogQd

Ex:

navigator.mediaDevices.getUserMedia({
                    audio: {
                        sampleRate: 24000,
                        echoCancellation: true
                    },
                    video: {
                        width: {
                            min: 480,
                            ideal: 640,
                            max: 800
                        },
                        height: {
                            min: 360,
                            ideal: 480,
                            max: 600
                        },
                        frameRate: 16,
                        aspectRatio: (4 / 3)
                    }
                })


No sound is recorded (I think this may have been addressed in another ticket). Also the frameRate config is ignored.

The recorded output from ffprobe (30.36 fps vs the 16 fps configured in the recorder):
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 0 kb/s, 30.36 fps, 29.92 tbr, 600 tbn, 1200 tbc (default)

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