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drm@1.4: API to retrieve plugin log messages

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Log messages can be exported by apps during error diagnosis.

Bug: 162255728
Test: GtsMediaTestCases MediaDrmTest#testGetLogMessages
Change-Id: Id7576b237501f4af6a7399207fbad5ac3b92c20b
This commit is contained in:
Robert Shih
2021-01-15 08:25:24 -08:00
parent 5cf2c6caf6
commit 02f2da87d8
4 changed files with 77 additions and 0 deletions
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1
drm/1.4/Android.bp
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@@ -8,6 +8,7 @@ hidl_interface {
"ICryptoPlugin.hal",
"IDrmFactory.hal",
"IDrmPlugin.hal",
"types.hal",
],
interfaces: [
"android.hardware.drm@1.0",

13
drm/1.4/ICryptoPlugin.hal
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@@ -16,6 +16,8 @@
package android.hardware.drm@1.4;
import @1.2::ICryptoPlugin;
import @1.4::LogMessage;
import @1.4::Status;
/**
* ICryptoPlugin is the HAL for vendor-provided crypto plugins.
@@ -23,4 +25,15 @@ import @1.2::ICryptoPlugin;
* load crypto keys for a codec to decrypt protected video content.
*/
interface ICryptoPlugin extends @1.2::ICryptoPlugin {
/**
* @return logMessages latest plugin level log messages. Can be used
* by apps in diagnosis of errors.
* @return status the status of the call. The status must be:
* OK on success;
* GENERAL_OEM_ERROR on OEM-provided, low-level component failures;
* GENERAL_PLUGIN_ERROR on unexpected plugin-level errors.
*/
getLogMessages() generates (@1.4::Status status, vec<LogMessage> logMessages);
};

12
drm/1.4/IDrmPlugin.hal
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@@ -19,6 +19,8 @@ import @1.0::Status;
import @1.0::SessionId;
import @1.1::SecurityLevel;
import @1.2::IDrmPlugin;
import @1.4::LogMessage;
import @1.4::Status;
/**
* IDrmPlugin is used to interact with a specific drm plugin that was
@@ -61,4 +63,14 @@ interface IDrmPlugin extends @1.2::IDrmPlugin {
*/
setPlaybackId(SessionId sessionId, string playbackId) generates (@1.0::Status status);
/**
* @return logMessages latest plugin level log messages. Can be used
* by apps in diagnosis of errors.
* @return status the status of the call. The status must be:
* OK on success;
* GENERAL_OEM_ERROR on OEM-provided, low-level component failures;
* GENERAL_PLUGIN_ERROR on unexpected plugin-level errors.
*/
getLogMessages() generates (@1.4::Status status, vec<LogMessage> logMessages);
};

51
drm/1.4/types.hal Normal file
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@@ -0,0 +1,51 @@
/**
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.drm@1.4;
import @1.2::Status;
enum LogPriority : uint32_t {
ERROR,
WARN,
INFO,
DEBUG,
VERBOSE
};
/**
* Returned by getLogMessages to report error diagnostics to the
* app.
*/
struct LogMessage {
int64_t timeMs;
LogPriority priority;
string message;
};
enum Status : @1.2::Status {
/**
* Non-specific error reported by the device OEM subsystem.
*/
GENERAL_OEM_ERROR,
/**
* Unexpected internal failure in the drm/crypto plugin.
*/
GENERAL_PLUGIN_ERROR,
};