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authorThe Android Open Source Project <initial-contribution@android.com>2009-01-09 17:51:23 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-01-09 17:51:23 -0800
commitcce8bd12da6d8419a8770e4552a51ec297c250c2 (patch)
tree04f90a5380030b06b7c7c99b9972ef0f147621ec /media/libmedia/JetPlayer.cpp
parent7b5eb023f8d87cca6d830ae6c11c6aadbe02aca8 (diff)
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Diffstat (limited to 'media/libmedia/JetPlayer.cpp')
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diff --git a/media/libmedia/JetPlayer.cpp b/media/libmedia/JetPlayer.cpp
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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.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "JetPlayer-C"
+
+#include <utils/Log.h>
+#include <utils/threads.h>
+
+#include <media/JetPlayer.h>
+
+
+#ifdef HAVE_GETTID
+static pid_t myTid() { return gettid(); }
+#else
+static pid_t myTid() { return getpid(); }
+#endif
+
+
+namespace android
+{
+
+static const int MIX_NUM_BUFFERS = 4;
+static const S_EAS_LIB_CONFIG* pLibConfig = NULL;
+
+//-------------------------------------------------------------------------------------------------
+JetPlayer::JetPlayer(jobject javaJetPlayer, int maxTracks, int trackBufferSize) :
+ mEventCallback(NULL),
+ mJavaJetPlayerRef(javaJetPlayer),
+ mTid(-1),
+ mRender(false),
+ mPaused(false),
+ mMaxTracks(maxTracks),
+ mEasData(NULL),
+ mEasJetFileLoc(NULL),
+ mAudioTrack(NULL),
+ mTrackBufferSize(trackBufferSize)
+{
+ LOGV("JetPlayer constructor");
+ mPreviousJetStatus.currentUserID = -1;
+ mPreviousJetStatus.segmentRepeatCount = -1;
+ mPreviousJetStatus.numQueuedSegments = -1;
+ mPreviousJetStatus.paused = true;
+}
+
+//-------------------------------------------------------------------------------------------------
+JetPlayer::~JetPlayer()
+{
+ LOGV("~JetPlayer");
+ release();
+
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::init()
+{
+ //Mutex::Autolock lock(&mMutex);
+
+ EAS_RESULT result;
+
+ // retrieve the EAS library settings
+ if (pLibConfig == NULL)
+ pLibConfig = EAS_Config();
+ if (pLibConfig == NULL) {
+ LOGE("JetPlayer::init(): EAS library configuration could not be retrieved, aborting.");
+ return EAS_FAILURE;
+ }
+
+ // init the EAS library
+ result = EAS_Init(&mEasData);
+ if( result != EAS_SUCCESS) {
+ LOGE("JetPlayer::init(): Error initializing Sonivox EAS library, aborting.");
+ mState = EAS_STATE_ERROR;
+ return result;
+ }
+ // init the JET library
+ result = JET_Init(mEasData, NULL, 0);
+ if( result != EAS_SUCCESS) {
+ LOGE("JetPlayer::init(): Error initializing JET library, aborting.");
+ mState = EAS_STATE_ERROR;
+ return result;
+ }
+
+ // create the output AudioTrack
+ mAudioTrack = new AudioTrack();
+ mAudioTrack->set(AudioTrack::MUSIC, //TODO parametrize this
+ pLibConfig->sampleRate,
+ 1, // format = PCM 16bits per sample,
+ pLibConfig->numChannels,
+ mTrackBufferSize,
+ 0);
+
+ // create render and playback thread
+ {
+ Mutex::Autolock l(mMutex);
+ LOGV("JetPlayer::init(): trying to start render thread");
+ createThreadEtc(renderThread, this, "jetRenderThread", ANDROID_PRIORITY_AUDIO);
+ mCondition.wait(mMutex);
+ }
+ if (mTid > 0) {
+ // render thread started, we're ready
+ LOGV("JetPlayer::init(): render thread(%d) successfully started.", mTid);
+ mState = EAS_STATE_READY;
+ } else {
+ LOGE("JetPlayer::init(): failed to start render thread.");
+ mState = EAS_STATE_ERROR;
+ return EAS_FAILURE;
+ }
+
+ return EAS_SUCCESS;
+}
+
+void JetPlayer::setEventCallback(jetevent_callback eventCallback)
+{
+ Mutex::Autolock l(mMutex);
+ mEventCallback = eventCallback;
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::release()
+{
+ LOGV("JetPlayer::release()");
+ Mutex::Autolock lock(mMutex);
+ mPaused = true;
+ mRender = false;
+ if (mEasData) {
+ JET_Pause(mEasData);
+ JET_CloseFile(mEasData);
+ JET_Shutdown(mEasData);
+ EAS_Shutdown(mEasData);
+ }
+ if (mEasJetFileLoc) {
+ free(mEasJetFileLoc);
+ mEasJetFileLoc = NULL;
+ }
+ if (mAudioTrack) {
+ mAudioTrack->stop();
+ mAudioTrack->flush();
+ delete mAudioTrack;
+ mAudioTrack = NULL;
+ }
+ if (mAudioBuffer) {
+ delete mAudioBuffer;
+ mAudioBuffer = NULL;
+ }
+ mEasData = NULL;
+
+ return EAS_SUCCESS;
+}
+
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::renderThread(void* p) {
+
+ return ((JetPlayer*)p)->render();
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::render() {
+ EAS_RESULT result = EAS_FAILURE;
+ EAS_I32 count;
+ int temp;
+ bool audioStarted = false;
+
+ LOGV("JetPlayer::render(): entering");
+
+ // allocate render buffer
+ mAudioBuffer =
+ new EAS_PCM[pLibConfig->mixBufferSize * pLibConfig->numChannels * MIX_NUM_BUFFERS];
+ if (!mAudioBuffer) {
+ LOGE("JetPlayer::render(): mAudioBuffer allocate failed");
+ goto threadExit;
+ }
+
+ // signal main thread that we started
+ {
+ Mutex::Autolock l(mMutex);
+ mTid = myTid();
+ LOGV("JetPlayer::render(): render thread(%d) signal", mTid);
+ mCondition.signal();
+ }
+
+ while (1) {
+ mMutex.lock(); // [[[[[[[[ LOCK ---------------------------------------
+
+ // nothing to render, wait for client thread to wake us up
+ while (!mRender)
+ {
+ LOGV("JetPlayer::render(): signal wait");
+ mCondition.wait(mMutex);
+ LOGV("JetPlayer::render(): signal rx'd");
+ }
+
+ // render midi data into the input buffer
+ int num_output = 0;
+ EAS_PCM* p = mAudioBuffer;
+ for (int i = 0; i < MIX_NUM_BUFFERS; i++) {
+ result = EAS_Render(mEasData, p, pLibConfig->mixBufferSize, &count);
+ if (result != EAS_SUCCESS) {
+ LOGE("JetPlayer::render(): EAS_Render returned error %ld", result);
+ }
+ p += count * pLibConfig->numChannels;
+ num_output += count * pLibConfig->numChannels * sizeof(EAS_PCM);
+ }
+
+ // update playback state
+ //LOGV("JetPlayer::render(): updating state");
+ JET_Status(mEasData, &mJetStatus);
+ fireEventOnStatusChange();
+ mPaused = mJetStatus.paused;
+
+ mMutex.unlock(); // UNLOCK ]]]]]]]] -----------------------------------
+
+ // check audio output track
+ if (mAudioTrack == NULL) {
+ LOGE("JetPlayer::render(): output AudioTrack was not created");
+ goto threadExit;
+ }
+
+ // Write data to the audio hardware
+ //LOGV("JetPlayer::render(): writing to audio output");
+ if ((temp = mAudioTrack->write(mAudioBuffer, num_output)) < 0) {
+ LOGE("JetPlayer::render(): Error in writing:%d",temp);
+ return temp;
+ }
+
+ // start audio output if necessary
+ if (!audioStarted) {
+ LOGV("JetPlayer::render(): starting audio playback");
+ mAudioTrack->start();
+ audioStarted = true;
+ }
+
+ }//while (1)
+
+threadExit:
+ mAudioTrack->flush();
+ if (mAudioBuffer) {
+ delete [] mAudioBuffer;
+ mAudioBuffer = NULL;
+ }
+ mMutex.lock();
+ mTid = -1;
+ mCondition.signal();
+ mMutex.unlock();
+ return result;
+}
+
+
+//-------------------------------------------------------------------------------------------------
+// fire up an event if any of the status fields has changed
+// precondition: mMutex locked
+void JetPlayer::fireEventOnStatusChange()
+{
+ if( (mJetStatus.currentUserID != mPreviousJetStatus.currentUserID)
+ ||(mJetStatus.segmentRepeatCount != mPreviousJetStatus.segmentRepeatCount) ) {
+ if(mEventCallback) {
+ mEventCallback(
+ JetPlayer::JET_USERID_UPDATE,
+ mJetStatus.currentUserID,
+ mJetStatus.segmentRepeatCount,
+ mJavaJetPlayerRef);
+ }
+ mPreviousJetStatus.currentUserID = mJetStatus.currentUserID;
+ mPreviousJetStatus.segmentRepeatCount = mJetStatus.segmentRepeatCount;
+ }
+
+ if(mJetStatus.numQueuedSegments != mPreviousJetStatus.numQueuedSegments) {
+ if(mEventCallback) {
+ mEventCallback(
+ JetPlayer::JET_NUMQUEUEDSEGMENT_UPDATE,
+ mJetStatus.numQueuedSegments,
+ -1,
+ mJavaJetPlayerRef);
+ }
+ mPreviousJetStatus.numQueuedSegments = mJetStatus.numQueuedSegments;
+ }
+
+ if(mJetStatus.paused != mPreviousJetStatus.paused) {
+ if(mEventCallback) {
+ mEventCallback(JetPlayer::JET_PAUSE_UPDATE,
+ mJetStatus.paused,
+ -1,
+ mJavaJetPlayerRef);
+ }
+ mPreviousJetStatus.paused = mJetStatus.paused;
+ }
+
+}
+
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::openFile(const char* path)
+{
+ LOGV("JetPlayer::openFile(): path=%s", path);
+
+ Mutex::Autolock lock(mMutex);
+
+ mEasJetFileLoc = (EAS_FILE_LOCATOR) malloc(sizeof(EAS_FILE));
+ memset(mJetFilePath, 0, 256);
+ strncpy(mJetFilePath, path, strlen(path));
+ mEasJetFileLoc->path = mJetFilePath;
+
+ mEasJetFileLoc->fd = 0;
+ mEasJetFileLoc->length = 0;
+ mEasJetFileLoc->offset = 0;
+
+ EAS_RESULT result = JET_OpenFile(mEasData, mEasJetFileLoc);
+ if(result != EAS_SUCCESS)
+ mState = EAS_STATE_ERROR;
+ else
+ mState = EAS_STATE_OPEN;
+ return( result );
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::closeFile()
+{
+ Mutex::Autolock lock(mMutex);
+ return JET_CloseFile(mEasData);
+}
+
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::play()
+{
+ LOGV("JetPlayer::play(): entering");
+ Mutex::Autolock lock(mMutex);
+
+ EAS_RESULT result = JET_Play(mEasData);
+
+ mPaused = false;
+ mRender = true;
+
+ JET_Status(mEasData, &mJetStatus);
+ this->dumpJetStatus(&mJetStatus);
+
+ fireEventOnStatusChange();
+
+ // wake up render thread
+ LOGV("JetPlayer::play(): wakeup render thread");
+ mCondition.signal();
+
+ return result;
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::pause()
+{
+ Mutex::Autolock lock(mMutex);
+ mPaused = true;
+ EAS_RESULT result = JET_Pause(mEasData);
+
+ mRender = false;
+
+ JET_Status(mEasData, &mJetStatus);
+ this->dumpJetStatus(&mJetStatus);
+ fireEventOnStatusChange();
+
+
+ return result;
+}
+
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::queueSegment(int segmentNum, int libNum, int repeatCount, int transpose,
+ EAS_U32 muteFlags, EAS_U8 userID)
+{
+ LOGV("JetPlayer::queueSegment segmentNum=%d, libNum=%d, repeatCount=%d, transpose=%d",
+ segmentNum, libNum, repeatCount, transpose);
+ Mutex::Autolock lock(mMutex);
+ return JET_QueueSegment(mEasData, segmentNum, libNum, repeatCount, transpose, muteFlags, userID);
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::setMuteFlags(EAS_U32 muteFlags, bool sync)
+{
+ Mutex::Autolock lock(mMutex);
+ return JET_SetMuteFlags(mEasData, muteFlags, sync);
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::setMuteFlag(int trackNum, bool muteFlag, bool sync)
+{
+ Mutex::Autolock lock(mMutex);
+ return JET_SetMuteFlag(mEasData, trackNum, muteFlag, sync);
+}
+
+//-------------------------------------------------------------------------------------------------
+int JetPlayer::triggerClip(int clipId)
+{
+ LOGV("JetPlayer::triggerClip clipId=%d", clipId);
+ Mutex::Autolock lock(mMutex);
+ return JET_TriggerClip(mEasData, clipId);
+}
+
+//-------------------------------------------------------------------------------------------------
+void JetPlayer::dump()
+{
+ LOGE("JetPlayer dump: JET file=%s", mEasJetFileLoc->path);
+}
+
+void JetPlayer::dumpJetStatus(S_JET_STATUS* pJetStatus)
+{
+ if(pJetStatus!=NULL)
+ LOGV(">> current JET player status: userID=%d segmentRepeatCount=%d numQueuedSegments=%d paused=%d",
+ pJetStatus->currentUserID, pJetStatus->segmentRepeatCount,
+ pJetStatus->numQueuedSegments, pJetStatus->paused);
+ else
+ LOGE(">> JET player status is NULL");
+}
+
+
+} // end namespace android
+