remove the fmp4 SAMPLE-AES check

Author: Bryan Yao

package-lock.json

@@ -102,7 +102,7 @@
     "sinon-chai": "^3.5.0",
     "typescript": "^3.9.5",
     "webpack": "^4.43.0",
-    "webpack-cli": "^3.1.2",
+    "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.11.0",
     "webpack-merge": "^4.2.2",
     "webworkify-webpack": "^2.1.5"

package.json

@@ -105,10 +105,10 @@ const getSupportedMediaKeySystemConfigurations = function (
   drmSystemOptions: DRMSystemOptions
 ): MediaKeySystemConfiguration[] {
   switch (keySystem) {
-    case KeySystems.WIDEVINE:
-      return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs, drmSystemOptions);
-    case KeySystems.CLEARKEY:
-      return createClearkeyMediaKeySystemConfigurations(audioCodecs, videoCodecs, drmSystemOptions);
+  case KeySystems.WIDEVINE:
+    return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs, drmSystemOptions);
+  case KeySystems.CLEARKEY:
+    return createClearkeyMediaKeySystemConfigurations(audioCodecs, videoCodecs, drmSystemOptions);
   default:
     throw new Error(`Unknown key-system: ${keySystem}`);
   }
@@ -294,7 +294,7 @@ class EMEController implements ComponentAPI {
       logger.error('Failed to load the keys');
     }
 
-    let license = this._generateLicense(message);
+    const license = this._generateLicense(message);
 
     keySession.update(license).catch(
       function (error) {
@@ -306,17 +306,17 @@ class EMEController implements ComponentAPI {
 
   private _generateLicense (message) {
     // Parse the clearkey license request.
-    let request = JSON.parse(new TextDecoder().decode(message));
+    const request = JSON.parse(new TextDecoder().decode(message));
     type responseFormat = {
       kty?: string,
       alg?: string,
       kid?: string,
       k?: string
     }
 
-    let keyarray: responseFormat[] = [];
-    for (let id of request.kids) {
-      let decodedBase64 = this.base64ToHex(id);
+    const keyarray: responseFormat[] = [];
+    for (const id of request.kids) {
+      const decodedBase64 = this.base64ToHex(id);
       // logger.log(`decodedBase64: ${decodedBase64}`);
       if (!this._clearkeyPair.hasOwnProperty(decodedBase64)) {
         logger.error('No pair key, please use lower case');
@@ -345,7 +345,7 @@ class EMEController implements ComponentAPI {
 
   private hexToBase64 (hexstring) {
     var encodedBase64 = btoa(hexstring.match(/\w{2}/g).map(function (a) {
-        return String.fromCharCode(parseInt(a, 16));
+      return String.fromCharCode(parseInt(a, 16));
     }).join(''));
 
     var start = 0;

src/controller/eme-controller.ts

@@ -59,9 +59,9 @@ class MP4Demuxer implements Demuxer {
     };
   }
 
-  demuxSampleAes (data: Uint8Array, decryptData: Uint8Array, timeOffset: number): Promise<DemuxerResult> {
-    return Promise.reject(new Error('The MP4 demuxer does not support SAMPLE-AES decryption'));
-  }
+  // demuxSampleAes (data: Uint8Array, decryptData: Uint8Array, timeOffset: number): Promise<DemuxerResult> {
+  //   return Promise.reject(new Error('The MP4 demuxer does not support SAMPLE-AES decryption'));
+  // }
 
   destroy () {}
 }