- Add method in MediaPlayerService to collect and pull
codec usage (duration) for the battery app
- Collect MediaPlayer decoding usage data
Change-Id: I0ef4e32b6a041ba1fe73c19f9c67185c61d03965
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 @@
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 {