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Update ProtectionModel_3Feb2014.js
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‎src/streaming/protection/models/ProtectionModel_3Feb2014.js‎

Lines changed: 76 additions & 61 deletions
Original file line numberDiff line numberDiff line change
@@ -43,10 +43,11 @@ import NeedKey from '../vo/NeedKey.js';
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import DashJSError from '../../vo/DashJSError.js';
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import ProtectionErrors from '../errors/ProtectionErrors.js';
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import KeyMessage from '../vo/KeyMessage.js';
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import KeySystemConfiguration from '../vo/KeySystemConfiguration.js';
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import KeySystemAccess from '../vo/KeySystemAccess.js';
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import FactoryMaker from '../../../core/FactoryMaker.js';
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import ProtectionConstants from '../../constants/ProtectionConstants.js';
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// imports from common-media-library
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import { getCompatibleKeySystemAccess } from '@svta/common-media-library/drm/key-system/getCompatibleKeySystemAccess.js';
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import { INITIALIZATION_DATA_TYPE } from '@svta/common-media-library/drm/common/const/INITIALIZATION_DATA_TYPE.js';
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function ProtectionModel_3Feb2014(config) {
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@@ -105,68 +106,82 @@ function ProtectionModel_3Feb2014(config) {
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}
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function requestKeySystemAccess(ksConfigurations) {
108-
return new Promise((resolve, reject) => {
109-
// Try key systems in order, first one with supported key system configuration
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// is used
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let found = false;
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for (let ksIdx = 0; ksIdx < ksConfigurations.length; ksIdx++) {
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const systemString = ksConfigurations[ksIdx].ks.systemString;
114-
const configs = ksConfigurations[ksIdx].configs;
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let supportedAudio = null;
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let supportedVideo = null;
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// Try key system configs in order, first one with supported audio/video
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// is used
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for (let configIdx = 0; configIdx < configs.length; configIdx++) {
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const audios = configs[configIdx].audioCapabilities;
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const videos = configs[configIdx].videoCapabilities;
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// Look for supported audio container/codecs
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if (audios && audios.length !== 0) {
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supportedAudio = []; // Indicates that we have a requested audio config
127-
for (let audioIdx = 0; audioIdx < audios.length; audioIdx++) {
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if (window[api.MediaKeys].isTypeSupported(systemString, audios[audioIdx].contentType)) {
129-
supportedAudio.push(audios[audioIdx]);
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}
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}
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}
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// Look for supported video container/codecs
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if (videos && videos.length !== 0) {
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supportedVideo = []; // Indicates that we have a requested video config
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for (let videoIdx = 0; videoIdx < videos.length; videoIdx++) {
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if (window[api.MediaKeys].isTypeSupported(systemString, videos[videoIdx].contentType)) {
139-
supportedVideo.push(videos[videoIdx]);
140-
}
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}
142-
}
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// No supported audio or video in this configuration OR we have
145-
// requested audio or video configuration that is not supported
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if ((!supportedAudio && !supportedVideo) ||
147-
(supportedAudio && supportedAudio.length === 0) ||
148-
(supportedVideo && supportedVideo.length === 0)) {
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continue;
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}
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152-
// This configuration is supported
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found = true;
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const ksConfig = new KeySystemConfiguration(supportedAudio, supportedVideo);
155-
const ks = protectionKeyController.getKeySystemBySystemString(systemString);
156-
const keySystemAccess = new KeySystemAccess(ks, ksConfig);
157-
eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { data: keySystemAccess });
158-
resolve({ data: keySystemAccess });
159-
break;
160-
}
161-
}
162-
if (!found) {
109+
return getCompatibleKeySystemAccess(ksConfigurations).then((keySystemAccess) => {
110+
if (keySystemAccess) {
111+
eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { data: keySystemAccess });
112+
return { data: keySystemAccess };
113+
}
114+
else {
163115
const errorMessage = 'Key system access denied! -- No valid audio/video content configurations detected!';
164116
eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { error: errorMessage });
165-
reject({ error: errorMessage });
117+
throw { error: errorMessage };
166118
}
167-
})
119+
});
168120
}
169121

122+
// function requestKeySystemAccess(ksConfigurations) {
123+
// return new Promise((resolve, reject) => {
124+
// // Try key systems in order, first one with supported key system configuration
125+
// // is used
126+
// let found = false;
127+
// for (let ksIdx = 0; ksIdx < ksConfigurations.length; ksIdx++) {
128+
// const systemString = ksConfigurations[ksIdx].ks.systemString;
129+
// const configs = ksConfigurations[ksIdx].configs;
130+
// let supportedAudio = null;
131+
// let supportedVideo = null;
132+
133+
// // Try key system configs in order, first one with supported audio/video
134+
// // is used
135+
// for (let configIdx = 0; configIdx < configs.length; configIdx++) {
136+
// const audios = configs[configIdx].audioCapabilities;
137+
// const videos = configs[configIdx].videoCapabilities;
138+
139+
// // Look for supported audio container/codecs
140+
// if (audios && audios.length !== 0) {
141+
// supportedAudio = []; // Indicates that we have a requested audio config
142+
// for (let audioIdx = 0; audioIdx < audios.length; audioIdx++) {
143+
// if (window[api.MediaKeys].isTypeSupported(systemString, audios[audioIdx].contentType)) {
144+
// supportedAudio.push(audios[audioIdx]);
145+
// }
146+
// }
147+
// }
148+
149+
// // Look for supported video container/codecs
150+
// if (videos && videos.length !== 0) {
151+
// supportedVideo = []; // Indicates that we have a requested video config
152+
// for (let videoIdx = 0; videoIdx < videos.length; videoIdx++) {
153+
// if (window[api.MediaKeys].isTypeSupported(systemString, videos[videoIdx].contentType)) {
154+
// supportedVideo.push(videos[videoIdx]);
155+
// }
156+
// }
157+
// }
158+
159+
// // No supported audio or video in this configuration OR we have
160+
// // requested audio or video configuration that is not supported
161+
// if ((!supportedAudio && !supportedVideo) ||
162+
// (supportedAudio && supportedAudio.length === 0) ||
163+
// (supportedVideo && supportedVideo.length === 0)) {
164+
// continue;
165+
// }
166+
167+
// // This configuration is supported
168+
// found = true;
169+
// const ksConfig = new KeySystemConfiguration(supportedAudio, supportedVideo);
170+
// const ks = protectionKeyController.getKeySystemBySystemString(systemString);
171+
// const keySystemAccess = new KeySystemAccess(ks, ksConfig);
172+
// eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { data: keySystemAccess });
173+
// resolve({ data: keySystemAccess });
174+
// break;
175+
// }
176+
// }
177+
// if (!found) {
178+
// const errorMessage = 'Key system access denied! -- No valid audio/video content configurations detected!';
179+
// eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { error: errorMessage });
180+
// reject({ error: errorMessage });
181+
// }
182+
// })
183+
// }
184+
170185
function selectKeySystem(ksAccess) {
171186
return new Promise((resolve, reject) => {
172187
try {
@@ -301,7 +316,7 @@ function ProtectionModel_3Feb2014(config) {
301316
case api.needkey:
302317
if (event.initData) {
303318
const initData = ArrayBuffer.isView(event.initData) ? event.initData.buffer : event.initData;
304-
eventBus.trigger(events.NEED_KEY, { key: new NeedKey(initData, ProtectionConstants.INITIALIZATION_DATA_TYPE_CENC) });
319+
eventBus.trigger(events.NEED_KEY, { key: new NeedKey(initData, INITIALIZATION_DATA_TYPE.CENC) });
305320
}
306321
break;
307322
}

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