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Diffstat (limited to 'media/libmediaplayerservice/MediaPlayerService.h')
| -rw-r--r-- | media/libmediaplayerservice/MediaPlayerService.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h index 62f8ed6..9f41db0 100644 --- a/media/libmediaplayerservice/MediaPlayerService.h +++ b/media/libmediaplayerservice/MediaPlayerService.h @@ -204,7 +204,31 @@ public: void removeClient(wp<Client> client); + // For battery usage tracking purpose + struct BatteryUsageInfo { + // how many streams are being played by one UID + int refCount; + // a temp variable to store the duration(ms) of audio codecs + // when we start a audio codec, we minus the system time from audioLastTime + // when we pause it, we add the system time back to the audioLastTime + // so after the pause, audioLastTime = pause time - start time + // if multiple audio streams are played (or recorded), then audioLastTime + // = the total playing time of all the streams + int32_t audioLastTime; + // when all the audio streams are being paused, we assign audioLastTime to + // this variable, so this value could be provided to the battery app + // in the next pullBatteryData call + int32_t audioTotalTime; + + int32_t videoLastTime; + int32_t videoTotalTime; + }; + KeyedVector<int, BatteryUsageInfo> mBatteryData; + // Collect info of the codec usage from media player and media recorder + virtual void addBatteryData(uint32_t params); + // API for the Battery app to pull the data of codecs usage + virtual status_t pullBatteryData(Parcel* reply); private: class Client : public BnMediaPlayer { |