<!DOCTYPE html>
<title>MediaCapabilities.encodingInfo() for webrtc</title>
<script src=/resources/testharness.js></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// Minimal VideoConfiguration that will be allowed per spec. All optional
// properties are missing.
const minimalVideoConfiguration = {
contentType: 'video/VP9; profile-level="0"',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
};
// Minimal AudioConfiguration that will be allowed per spec. All optional
// properties are missing.
const minimalAudioConfiguration = {
contentType: 'audio/opus',
};
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
}));
}, "Test that encodingInfo rejects if the configuration doesn't have an audio or video field");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'video/VP9',
width: 800,
height: 600,
bitrate: 3000,
framerate: -1,
},
}));
}, "Test that encodingInfo rejects if the video configuration has a negative framerate");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'video/VP9"',
width: 800,
height: 600,
bitrate: 3000,
framerate: 0,
},
}));
}, "Test that encodingInfo rejects if the video configuration has a framerate set to 0");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'video/VP9"',
width: 800,
height: 600,
bitrate: 3000,
framerate: Infinity,
},
}));
}, "Test that encodingInfo rejects if the video configuration has a framerate set to Infinity");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'fgeoa',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
},
}));
}, "Test that encodingInfo rejects if the video configuration contentType doesn't parse");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'audio/fgeoa',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
},
}));
}, "Test that encodingInfo rejects if the video configuration contentType isn't of type video");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
audio: { contentType: 'fgeoa' },
}));
}, "Test that encodingInfo rejects if the audio configuration contentType doesn't parse");
promise_test(t => {
return promise_rejects_js(t, TypeError, navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
audio: { contentType: 'video/fgeoa' },
}));
}, "Test that encodingInfo rejects if the audio configuration contentType isn't of type audio");
promise_test(t => {
return navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: minimalVideoConfiguration,
audio: minimalAudioConfiguration,
}).then(ability => {
assert_equals(typeof ability.supported, "boolean");
assert_equals(typeof ability.smooth, "boolean");
assert_equals(typeof ability.powerEfficient, "boolean");
});
}, "Test that encodingInfo returns a valid MediaCapabilitiesInfo objects");
promise_test(t => {
return navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: 'video/webm; codecs="vp09.00.10.08"',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
},
audio: minimalAudioConfiguration,
}).then(ability => {
assert_false(ability.supported);
assert_false(ability.smooth);
assert_false(ability.powerEfficient);
});
}, "Test that encodingInfo returns supported, smooth, and powerEfficient set to false for non-webrtc video content type.");
promise_test(t => {
return navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: minimalVideoConfiguration,
audio: {
contentType: 'audio/webm; codecs="opus"',
},
}).then(ability => {
assert_false(ability.supported);
assert_false(ability.smooth);
assert_false(ability.powerEfficient);
});
}, "Test that encodingInfo returns supported, smooth, and powerEfficient set to false for non-webrtc audio content type.");
const validAudioCodecs = (() => {
// Some codecs that are returned by getCapabilities() are not real codecs,
// exclude these from the test.
const excludeList = [ 'audio/CN', 'audio/telephone-event', 'audio/red' ];
const audioCodecs = [];
RTCRtpSender.getCapabilities("audio")['codecs'].forEach(codec => {
if (excludeList.indexOf(codec.mimeType) < 0 &&
audioCodecs.indexOf(codec.mimeType) < 0) {
audioCodecs.push(codec.mimeType);
}
});
return audioCodecs;
})();
validAudioCodecs.forEach(codec => {
promise_test(t => {
return navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
audio: {
contentType: codec
}
}).then(ability => {
assert_true(ability.supported);
});
}, "Test that encodingInfo returns supported true for the codec " + codec + " returned by RTCRtpSender.getCapabilities()")}
);
const validVideoCodecs = (() => {
// Some codecs that are returned by getCapabilities() are not real codecs but
// only used for error correction, exclude these from the test.
const excludeList = [ 'video/rtx', 'video/red', 'video/ulpfec',
'video/flexfec-03' ];
const videoCodecs = [];
RTCRtpSender.getCapabilities("video")['codecs'].forEach(codec => {
if (excludeList.indexOf(codec.mimeType) < 0) {
let mimeType = codec.mimeType;
if ('sdpFmtpLine' in codec) {
mimeType += "; " + codec.sdpFmtpLine;
}
if (!(mimeType in videoCodecs)) {
videoCodecs.push(mimeType);
}
}
});
return videoCodecs;
})();
validVideoCodecs.forEach(codec => {
promise_test(t => {
return navigator.mediaCapabilities.encodingInfo({
type: 'webrtc',
video: {
contentType: codec,
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
}
}).then(ability => {
assert_true(ability.supported);
});
}, "Test that encodingInfo returns supported true for the codec " + codec + " returned by RTCRtpSender.getCapabilities()")}
);
</script>
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