| /* |
| * 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. |
| */ |
| |
| #ifndef ANDROID_MEDIA_TRANSCODING_LOGGER_H |
| #define ANDROID_MEDIA_TRANSCODING_LOGGER_H |
| |
| #include <media/NdkMediaFormat.h> |
| #include <utils/Condition.h> |
| |
| #include <chrono> |
| #include <memory> |
| #include <mutex> |
| #include <queue> |
| |
| namespace android { |
| |
| /** Class for logging transcoding events. */ |
| class TranscodingLogger { |
| public: |
| /** The maximum number of atoms pushed to statsd per day. */ |
| static constexpr int kMaxAtomsPerDay = 50; |
| |
| /** The maximum number of successful transcoding atoms pushed to statsd per day. */ |
| static constexpr int kMaxSuccessfulAtomsPerDay = 35; |
| |
| /** Reason transcoding session ended. Maps to MediaTranscodingSessionEnded atom's Reason. */ |
| enum SessionEndedReason { |
| UNKNOWN = 0, |
| FINISHED, |
| ERROR, |
| PAUSED, |
| CANCELLED, |
| START_FAILED, |
| RESUME_FAILED, |
| CREATE_FAILED, |
| CONFIG_SRC_FAILED, |
| CONFIG_DST_FAILED, |
| CONFIG_TRACK_FAILED, |
| OPEN_SRC_FD_FAILED, |
| OPEN_DST_FD_FAILED, |
| NO_TRACKS, |
| }; |
| |
| TranscodingLogger(); |
| ~TranscodingLogger() = default; |
| |
| /** |
| * Logs a transcoding session ended event (MediaTranscodingSessionEnded atom). |
| * @param reason Reason for the transcoding session to end. |
| * @param callingUid UID of the caller connecting to the transcoding service. |
| * @param status Status (error code) of the transcoding session. |
| * @param duration Duration of the transcoding session. |
| * @param srcFormat The source video track format. |
| * @param dstFormat The destination video track format. |
| */ |
| void logSessionEnded(enum SessionEndedReason reason, uid_t callingUid, int status, |
| std::chrono::microseconds duration, AMediaFormat* srcFormat, |
| AMediaFormat* dstFormat); |
| |
| private: |
| friend class TranscodingLoggerTest; |
| |
| // Function prototype for writing out the session ended atom. |
| using SessionEndedAtomWriter = std::function<int( |
| int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, char const*, int32_t, |
| int32_t, int32_t, int32_t, bool arg12, int32_t, int32_t, char const*, bool)>; |
| |
| std::mutex mLock; |
| std::queue<std::pair<std::chrono::steady_clock::time_point, int>> mLastLoggedAtoms |
| GUARDED_BY(mLock); |
| uint32_t mSuccessfulCount = 0; |
| SessionEndedAtomWriter mSessionEndedAtomWriter; |
| |
| void logSessionEnded(const std::chrono::steady_clock::time_point& now, |
| enum SessionEndedReason reason, uid_t callingUid, int status, |
| std::chrono::microseconds duration, AMediaFormat* srcFormat, |
| AMediaFormat* dstFormat); |
| bool shouldLogAtom(const std::chrono::steady_clock::time_point& now, int status); |
| // Used for testing to validate what gets sent to statsd. |
| void setSessionEndedAtomWriter(const SessionEndedAtomWriter& writer); |
| }; |
| |
| } // namespace android |
| #endif // ANDROID_MEDIA_TRANSCODING_LOGGER_H |