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/*
* Copyright (C) 2008 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 JETPLAYER_H_
#define JETPLAYER_H_
#include <utils/threads.h>
#include <libsonivox/jet.h>
#include <libsonivox/eas_types.h>
#include <media/AudioTrack.h>
namespace android {
typedef void (*jetevent_callback)(int eventType, int val1, int val2, void *cookie);
class JetPlayer {
public:
// to keep in sync with the JetPlayer class constants
// defined in frameworks/base/media/java/android/media/JetPlayer.java
static const int JET_EVENT = 1;
static const int JET_USERID_UPDATE = 2;
static const int JET_NUMQUEUEDSEGMENT_UPDATE = 3;
static const int JET_PAUSE_UPDATE = 4;
JetPlayer(void *javaJetPlayer,
int maxTracks = 32,
int trackBufferSize = 1200);
~JetPlayer();
int init();
int release();
int loadFromFile(const char* url);
int loadFromFD(const int fd, const long long offset, const long long length);
int closeFile();
int play();
int pause();
int queueSegment(int segmentNum, int libNum, int repeatCount, int transpose,
EAS_U32 muteFlags, EAS_U8 userID);
int setMuteFlags(EAS_U32 muteFlags, bool sync);
int setMuteFlag(int trackNum, bool muteFlag, bool sync);
int triggerClip(int clipId);
int clearQueue();
void setEventCallback(jetevent_callback callback);
int getMaxTracks() { return mMaxTracks; };
private:
int render();
void fireUpdateOnStatusChange();
void fireEventsFromJetQueue();
JetPlayer() {} // no default constructor
void dump();
void dumpJetStatus(S_JET_STATUS* pJetStatus);
jetevent_callback mEventCallback;
void* mJavaJetPlayerRef;
Mutex mMutex; // mutex to sync the render and playback thread with the JET calls
pid_t mTid;
Condition mCondition;
volatile bool mRender;
bool mPaused;
EAS_STATE mState;
int* mMemFailedVar;
int mMaxTracks; // max number of MIDI tracks, usually 32
EAS_DATA_HANDLE mEasData;
EAS_FILE_LOCATOR mEasJetFileLoc;
EAS_PCM* mAudioBuffer;// EAS renders the MIDI data into this buffer,
sp<AudioTrack> mAudioTrack; // and we play it in this audio track
int mTrackBufferSize;
S_JET_STATUS mJetStatus;
S_JET_STATUS mPreviousJetStatus;
char mJetFilePath[PATH_MAX];
class JetPlayerThread : public Thread {
public:
JetPlayerThread(JetPlayer *player) : mPlayer(player) {
}
protected:
virtual ~JetPlayerThread() {}
private:
JetPlayer *mPlayer;
bool threadLoop() {
int result;
result = mPlayer->render();
return false;
}
JetPlayerThread(const JetPlayerThread &);
JetPlayerThread &operator=(const JetPlayerThread &);
};
sp<JetPlayerThread> mThread;
}; // end class JetPlayer
} // end namespace android
#endif /*JETPLAYER_H_*/
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