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Fix clearkey DRM UUID passed to MediaCrypto

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PiperOrigin-RevId: 223324279
This commit is contained in:
andrewlewis 2018-11-29 12:15:51 +00:00 committed by Andrew Lewis
parent 1093aaf185
commit 282cf303a4
2 changed files with 9 additions and 6 deletions
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1
RELEASENOTES.md
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@ -8,6 +8,7 @@
* Add options for controlling audio track selections to `DefaultTrackSelector` * Add options for controlling audio track selections to `DefaultTrackSelector`
([#3314](https://github.com/google/ExoPlayer/issues/3314)). ([#3314](https://github.com/google/ExoPlayer/issues/3314)).
* Do not retry failed loads whose error is `FileNotFoundException`. * Do not retry failed loads whose error is `FileNotFoundException`.
* Fix UUID passed to `MediaCrypto` when using `C.CLEARKEY_UUID` before API 27.
### 2.9.2 ### ### 2.9.2 ###

14
library/core/src/main/java/com/google/android/exoplayer2/drm/FrameworkMediaDrm.java
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@ -70,9 +70,7 @@ public final class FrameworkMediaDrm implements ExoMediaDrm<FrameworkMediaCrypto
Assertions.checkNotNull(uuid); Assertions.checkNotNull(uuid);
Assertions.checkArgument(!C.COMMON_PSSH_UUID.equals(uuid), "Use C.CLEARKEY_UUID instead"); Assertions.checkArgument(!C.COMMON_PSSH_UUID.equals(uuid), "Use C.CLEARKEY_UUID instead");
this.uuid = uuid; this.uuid = uuid;
// ClearKey had to be accessed using the Common PSSH UUID prior to API level 27. this.mediaDrm = new MediaDrm(adjustUuid(uuid));
this.mediaDrm =
new MediaDrm(Util.SDK_INT < 27 && C.CLEARKEY_UUID.equals(uuid) ? C.COMMON_PSSH_UUID : uuid);
if (C.WIDEVINE_UUID.equals(uuid) && needsForceWidevineL3Workaround()) { if (C.WIDEVINE_UUID.equals(uuid) && needsForceWidevineL3Workaround()) {
forceWidevineL3(mediaDrm); forceWidevineL3(mediaDrm);
} }
@ -152,7 +150,6 @@ public final class FrameworkMediaDrm implements ExoMediaDrm<FrameworkMediaCrypto
@Override @Override
public byte[] provideKeyResponse(byte[] scope, byte[] response) public byte[] provideKeyResponse(byte[] scope, byte[] response)
throws NotProvisionedException, DeniedByServerException { throws NotProvisionedException, DeniedByServerException {
if (C.CLEARKEY_UUID.equals(uuid)) { if (C.CLEARKEY_UUID.equals(uuid)) {
response = ClearKeyUtil.adjustResponseData(response); response = ClearKeyUtil.adjustResponseData(response);
} }
@ -212,8 +209,8 @@ public final class FrameworkMediaDrm implements ExoMediaDrm<FrameworkMediaCrypto
// indicate that it required secure video decoders [Internal ref: b/11428937]. // indicate that it required secure video decoders [Internal ref: b/11428937].
boolean forceAllowInsecureDecoderComponents = Util.SDK_INT < 21 boolean forceAllowInsecureDecoderComponents = Util.SDK_INT < 21
&& C.WIDEVINE_UUID.equals(uuid) && "L3".equals(getPropertyString("securityLevel")); && C.WIDEVINE_UUID.equals(uuid) && "L3".equals(getPropertyString("securityLevel"));
return new FrameworkMediaCrypto(new MediaCrypto(uuid, initData), return new FrameworkMediaCrypto(
forceAllowInsecureDecoderComponents); new MediaCrypto(adjustUuid(uuid), initData), forceAllowInsecureDecoderComponents);
} }
private static SchemeData getSchemeData(UUID uuid, List<SchemeData> schemeDatas) { private static SchemeData getSchemeData(UUID uuid, List<SchemeData> schemeDatas) {
@ -271,6 +268,11 @@ public final class FrameworkMediaDrm implements ExoMediaDrm<FrameworkMediaCrypto
return schemeDatas.get(0); return schemeDatas.get(0);
} }
private static UUID adjustUuid(UUID uuid) {
// ClearKey had to be accessed using the Common PSSH UUID prior to API level 27.
return Util.SDK_INT < 27 && C.CLEARKEY_UUID.equals(uuid) ? C.COMMON_PSSH_UUID : uuid;
}
private static byte[] adjustRequestInitData(UUID uuid, byte[] initData) { private static byte[] adjustRequestInitData(UUID uuid, byte[] initData) {
// Prior to L the Widevine CDM required data to be extracted from the PSSH atom. Some Amazon // Prior to L the Widevine CDM required data to be extracted from the PSSH atom. Some Amazon
// devices also required data to be extracted from the PSSH atom for PlayReady. // devices also required data to be extracted from the PSSH atom for PlayReady.