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Published 20 hours ago • verified publisher icon CreateBrowser

cefsharp WidevineCdm & CdmSupportTest.html -> Run

Open mohamedosama914 opened this issue 5 years ago • 0 comments

MP4 Play available no support & not Supported Available [MP4]

WidevineCdm is available manifest.json

{  
  "arch": "ia32",    
  "name": "WidevineCdm",
  "description": "Widevine Content Decryption Module",
  "manifest_version": 2,
  "version": "4.10.1440.18",
  "os": "win",
  "x-cdm-codecs": "vp8,vp9.0,avc1",
  "x-cdm-host-versions": "10",
  "x-cdm-interface-versions": "10",
  "x-cdm-module-versions": "4",
  "x-cdm-supported-encryption-schemes": [ "cenc", "cbcs" ],   
  "x-cdm-persistent-license-support": true

}

CdmSupportTest.html & Copy to ..\Resources\CefSharp.Web.Browser.Domain.Custom.HostName\CdmSupportTest.html


<html>
<head>
    <script language="JavaScript">
        function probeSupport() {
            var tests = [];
            var testKeySystems = [
              'com.widevine.alpha',
              'org.w3.clearkey'
            ];

            var testCodecs = [
                { type: 'H.264', contentType: 'video/mp4; codecs="avc1.42E01E"' },
                { type: 'H.264/MPEG-4 AVC', contentType: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"' },
                { type: 'ogg', contentType: 'video/ogg; codecs="theora"' },
                { type: 'webm-vp8', contentType: 'video/webm; codecs="vp8"' },
                { type: 'webm-vp9-', contentType: 'video/webm; codecs="vp9"' }
            ];

            var basicVideoCapabilities = [
                { contentType: 'video/mp4; codecs="avc1.42E01E"' },
                { contentType: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"' },
                { contentType: 'video/webm; codecs="vp8"' },
                { contentType: 'video/webm; codecs="vp9"' }
            ];

            var basicConfig = {
                videoCapabilities: basicVideoCapabilities
            };
            var configs = [basicConfig];
            var support = { contentDecryptionModules: {}, playbackSupport: {} };

            testKeySystems.forEach(function (keySystem) {
                var p = navigator.requestMediaKeySystemAccess(keySystem, configs)
                    .then(function (access) {
                        var config = access.getConfiguration();
                        support.contentDecryptionModules[keySystem] = "AVAILABLE";
                    }, function () {
                        support.contentDecryptionModules[keySystem] = "NOT AVAILABLE";
                    });
                tests.push(p);
            });

            return Promise.all(tests).then(function () {
                var testEl = document.createElement("video"),
            mpeg4, h264, ogg, webm;
                testCodecs.forEach(function (testCodec) {
                    var canPlay = testEl.canPlayType(testCodec.contentType);
                    canPlay = canPlay !== "" ? canPlay : "no";
                    support.playbackSupport[testCodec.type] = { "contentType": testCodec.contentType, "supported": canPlay };
                });
                return support;
            });
        }

        function printSupport(support) {
            var output = document.getElementById('output');
            output.textContent = support;
        }

        function doTest() {
            probeSupport().then(function (support) {
                printSupport(JSON.stringify(support, null, '  '));
            });
        }
    </script>
</head>
<body onload="doTest()">
<pre id="output"></pre>
    <p>
        <a href="https://shaka-player-demo.appspot.com/demo/">Google Shaka Player demo - video play back</a>
    </p>
    <p>
        <strong>Note:</strong><br />
        <ul>
            <li>
                Support for Widevine CDM requires additional steps as 
                <a href="https://github.com/cefsharp/CefSharp/issues/1934">outlined here</a>.
            </li>
            <li>
                Use of proprietary codecs (such as H.264) requires a custom build of CEF to be used due to 
                licensing requirements.<br />
                Details on how to build the CEF project and other resources can be 
                <a href="https://bitbucket.org/chromiumembedded/cef">found here</a>.</li>
        </ul>
    </p>
</body>
</html>
Run [ CdmSupportTest.html ] URL = cefsharp://cefsharp/CdmSupportTest.html 
{
  "contentDecryptionModules": {
    "com.widevine.alpha": "AVAILABLE",
    "org.w3.clearkey": "AVAILABLE"
  },
  "playbackSupport": {
    "H.264": {
      "contentType": "video/mp4; codecs=\"avc1.42E01E\"",
      "supported": "no"
    },
    "H.264/MPEG-4 AVC": {
      "contentType": "video/mp4; codecs=\"avc1.42E01E, mp4a.40.2\"",
      "supported": "no"
    },
    "ogg": {
      "contentType": "video/ogg; codecs=\"theora\"",
      "supported": "probably"
    },
    "webm-vp8": {
      "contentType": "video/webm; codecs=\"vp8\"",
      "supported": "probably"
    },
    "webm-vp9-": {
      "contentType": "video/webm; codecs=\"vp9\"",
      "supported": "probably"
    }
  }
}

Google Shaka Player demo - video play back

Note:
Support for Widevine CDM requires additional steps as outlined here.
Use of proprietary codecs (such as H.264) requires a custom build of CEF to be used due to licensing requirements.
Details on how to build the CEF project and other resources can be found here.

<>

mohamedosama914 avatar Aug 23 '19 12:08 mohamedosama914