Example usage for android.media AudioManager STREAM_MUSIC

List of usage examples for android.media AudioManager STREAM_MUSIC

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Introduction

In this page you can find the example usage for android.media AudioManager STREAM_MUSIC.

Prototype

int STREAM_MUSIC

To view the source code for android.media AudioManager STREAM_MUSIC.

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Document

Used to identify the volume of audio streams for music playback

Usage

From source file:com.tsp.clipsy.audio.RingdroidEditActivity.java

private void loadFromFile() {
    mFile = new File(mFilename);
    mExtension = getExtensionFromFilename(mFilename);

    SongMetadataReader metadataReader = new SongMetadataReader(this, mFilename);
    mTitle = metadataReader.mTitle;/*www  . j  a v a 2 s.c  o m*/
    mArtist = metadataReader.mArtist;
    mAlbum = metadataReader.mAlbum;
    mYear = metadataReader.mYear;
    mGenre = metadataReader.mGenre;

    String titleLabel = mTitle;
    if (mArtist != null && mArtist.length() > 0) {
        titleLabel += " - " + mArtist;
    }
    setTitle(titleLabel);

    mLoadingStartTime = System.currentTimeMillis();
    mLoadingLastUpdateTime = System.currentTimeMillis();
    mLoadingKeepGoing = true;
    mProgressDialog = new ProgressDialog(RingdroidEditActivity.this);
    mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    mProgressDialog.setTitle(R.string.progress_dialog_loading);
    mProgressDialog.setCancelable(true);
    mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
        public void onCancel(DialogInterface dialog) {
            mLoadingKeepGoing = false;
        }
    });
    mProgressDialog.show();

    final CheapSoundFile.ProgressListener listener = new CheapSoundFile.ProgressListener() {
        public boolean reportProgress(double fractionComplete) {
            long now = System.currentTimeMillis();
            if (now - mLoadingLastUpdateTime > 100) {
                mProgressDialog.setProgress((int) (mProgressDialog.getMax() * fractionComplete));
                mLoadingLastUpdateTime = now;
            }
            return mLoadingKeepGoing;
        }
    };

    // Create the MediaPlayer in a background thread
    mCanSeekAccurately = false;
    new Thread() {
        public void run() {
            mCanSeekAccurately = SeekTest.CanSeekAccurately(getPreferences(Context.MODE_PRIVATE));

            System.out.println("Seek test done, creating media player.");
            try {
                MediaPlayer player = new MediaPlayer();
                player.setDataSource(mFile.getAbsolutePath());
                player.setAudioStreamType(AudioManager.STREAM_MUSIC);
                player.prepare();
                mPlayer = player;
            } catch (final java.io.IOException e) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
            }
            ;
        }
    }.start();

    // Load the sound file in a background thread
    new Thread() {
        public void run() {
            try {
                mSoundFile = CheapSoundFile.create(mFile.getAbsolutePath(), listener);

                if (mSoundFile == null) {
                    mProgressDialog.dismiss();
                    String name = mFile.getName().toLowerCase();
                    String[] components = name.split("\\.");
                    String err;
                    if (components.length < 2) {
                        err = getResources().getString(R.string.no_extension_error);
                    } else {
                        err = getResources().getString(R.string.bad_extension_error) + " "
                                + components[components.length - 1];
                    }
                    final String finalErr = err;
                    Runnable runnable = new Runnable() {
                        public void run() {
                            handleFatalError("UnsupportedExtension", finalErr, new Exception());
                        }
                    };
                    mHandler.post(runnable);
                    return;
                }
            } catch (final Exception e) {
                mProgressDialog.dismiss();
                e.printStackTrace();
                mInfo.setText(e.toString());

                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
                return;
            }
            mProgressDialog.dismiss();
            if (mLoadingKeepGoing) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        finishOpeningSoundFile();
                    }
                };
                mHandler.post(runnable);
            } else {
                RingdroidEditActivity.this.finish();
            }
        }
    }.start();
}

From source file:com.kiandastream.musicplayer.MusicService.java

void processResumeRequest() {
    if (mState == State.Starting) {
        if (song_playlist != null && song_playlist.size() > 0) {
            createMediaPlayerIfNeeded();
            mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            try {
                //String songurl="http://api.kiandastream.globusapps.com/static/songs/"+song_playlist.get(0).getSong_id()+".mp3";
                System.out.println("url of song playing is " + song_playlist.get(0).getSongurl());
                mPlayer.setDataSource(song_playlist.get(0).getSongurl());
                setNotification("Loading");
                mState = State.Preparing;
                //Setting title in notification bar

                mPlayer.prepareAsync();//  w ww.j  a va2 s .c  o  m
                if (!mWifiLock.isHeld())
                    mWifiLock.acquire();
            } catch (NumberFormatException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (SecurityException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalStateException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

    } else if (mState == State.Paused) {
        if (mPlayer != null) {
            mPlayer.start();

            if (listener != null)
                listener.startUpdating(mPlayer);
            mState = State.Playing;
            setNotification(song_playlist.get(Integer.parseInt(positionofsong)).getSong_name());
        }

    }
}

From source file:brama.com.hearthum.waveform.WaveformFragment.java

protected synchronized void onPlay(int startPosition) {
    if (mIsPlaying) {
        handlePause();/*  w w w  . j av  a2  s  .co m*/
        return;
    }

    if (mPlayer == null) {
        // Not initialized yet
        return;
    }

    try {
        mPlayStartMsec = mWaveformView.pixelsToMillisecs(startPosition);
        if (startPosition < mStartPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mStartPos);
        } else if (startPosition > mEndPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mMaxPos);
        } else {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mEndPos);
        }

        mPlayStartOffset = 0;

        int startFrame = mWaveformView.secondsToFrames(mPlayStartMsec * 0.001);
        int endFrame = mWaveformView.secondsToFrames(mPlayEndMsec * 0.001);
        int startByte = mSoundFile.getSeekableFrameOffset(startFrame);
        int endByte = mSoundFile.getSeekableFrameOffset(endFrame);
        if (startByte >= 0 && endByte >= 0) {
            try {
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                FileInputStream subsetInputStream = new FileInputStream(mFile.getAbsolutePath());
                mPlayer.setDataSource(subsetInputStream.getFD(), startByte, endByte - startByte);
                mPlayer.prepare();
                mPlayStartOffset = mPlayStartMsec;
            } catch (Exception e) {
                Log.e(TAG, "Exception trying to play file subset", e);
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                mPlayer.setDataSource(mFile.getAbsolutePath());
                mPlayer.prepare();
                mPlayStartOffset = 0;
            }
        }

        mPlayer.setOnCompletionListener((MediaPlayer mediaPlayer) -> handlePause());
        mIsPlaying = true;

        if (mPlayStartOffset == 0) {
            mPlayer.seekTo(mPlayStartMsec);
        }
        mPlayer.start();
        updateDisplay();
        enableDisableButtons();
    } catch (Exception e) {
        Log.e(TAG, "Exception while playing file", e);
    }
}

From source file:mobi.omegacentauri.ptimer.PTimerEditActivity.java

private void loadFromFile() {
    mFile = new File(mFilename);
    mExtension = getExtensionFromFilename(mFilename);

    SongMetadataReader metadataReader = new SongMetadataReader(this, mFilename);
    mTitle = metadataReader.mTitle;//from   w  ww.j  av a 2 s  .  c  om
    mArtist = metadataReader.mArtist;
    mAlbum = metadataReader.mAlbum;
    mYear = metadataReader.mYear;
    mGenre = metadataReader.mGenre;

    String titleLabel = mTitle;
    if (mArtist != null && mArtist.length() > 0) {
        titleLabel += " - " + mArtist;
    }
    setTitle(titleLabel);

    mLoadingStartTime = System.currentTimeMillis();
    mLoadingLastUpdateTime = System.currentTimeMillis();
    mLoadingKeepGoing = true;
    mProgressDialog = new ProgressDialog(PTimerEditActivity.this);
    mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    mProgressDialog.setTitle(R.string.progress_dialog_loading);
    mProgressDialog.setCancelable(true);
    mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
        public void onCancel(DialogInterface dialog) {
            mLoadingKeepGoing = false;
        }
    });
    mProgressDialog.show();

    final CheapSoundFile.ProgressListener listener = new CheapSoundFile.ProgressListener() {
        public boolean reportProgress(double fractionComplete) {
            long now = System.currentTimeMillis();
            if (now - mLoadingLastUpdateTime > 100) {
                mProgressDialog.setProgress((int) (mProgressDialog.getMax() * fractionComplete));
                mLoadingLastUpdateTime = now;
            }
            return mLoadingKeepGoing;
        }
    };

    // Create the MediaPlayer in a background thread
    mCanSeekAccurately = false;
    new Thread() {
        public void run() {
            mCanSeekAccurately = SeekTest.CanSeekAccurately(getPreferences(Context.MODE_PRIVATE));

            System.out.println("Seek test done, creating media player.");
            try {
                MediaPlayer player = new MediaPlayer();
                player.setDataSource(mFile.getAbsolutePath());
                player.setAudioStreamType(AudioManager.STREAM_MUSIC);
                player.prepare();
                mPlayer = player;
            } catch (final java.io.IOException e) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
            }
            ;
        }
    }.start();

    // Load the sound file in a background thread
    new Thread() {
        public void run() {
            try {
                mSoundFile = CheapSoundFile.create(mFile.getAbsolutePath(), listener);

                if (mSoundFile == null) {
                    mProgressDialog.dismiss();
                    String name = mFile.getName().toLowerCase();
                    String[] components = name.split("\\.");
                    String err;
                    if (components.length < 2) {
                        err = getResources().getString(R.string.no_extension_error);
                    } else {
                        err = getResources().getString(R.string.bad_extension_error) + " "
                                + components[components.length - 1];
                    }
                    final String finalErr = err;
                    Runnable runnable = new Runnable() {
                        public void run() {
                            handleFatalError("UnsupportedExtension", finalErr, new Exception());
                        }
                    };
                    mHandler.post(runnable);
                    return;
                }
            } catch (final Exception e) {
                mProgressDialog.dismiss();
                e.printStackTrace();
                mInfo.setText(e.toString());

                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
                return;
            }
            mProgressDialog.dismiss();
            if (mLoadingKeepGoing) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        finishOpeningSoundFile();
                    }
                };
                mHandler.post(runnable);
            } else {
                PTimerEditActivity.this.finish();
            }
        }
    }.start();
}

From source file:com.SpeechEd.SpeechEdEditActivity.java

private void loadFromFile() {
    mFile = new File(mFilename);
    mExtension = getExtensionFromFilename(mFilename);

    SongMetadataReader metadataReader = new SongMetadataReader(this, mFilename);
    mTitle = metadataReader.mTitle;/*from  w  w w .j av  a 2 s . c o  m*/
    mArtist = metadataReader.mArtist;
    mAlbum = metadataReader.mAlbum;
    mYear = metadataReader.mYear;
    mGenre = metadataReader.mGenre;

    String titleLabel = mTitle;
    if (mArtist != null && mArtist.length() > 0) {
        titleLabel += " - " + mArtist;
    }
    setTitle(titleLabel);

    mLoadingStartTime = System.currentTimeMillis();
    mLoadingLastUpdateTime = System.currentTimeMillis();
    mLoadingKeepGoing = true;
    mProgressDialog = new ProgressDialog(SpeechEdEditActivity.this);
    mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    mProgressDialog.setTitle(R.string.progress_dialog_loading);
    mProgressDialog.setCancelable(true);
    mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
        public void onCancel(DialogInterface dialog) {
            mLoadingKeepGoing = false;
        }
    });
    mProgressDialog.show();

    final CheapSoundFile.ProgressListener listener = new CheapSoundFile.ProgressListener() {
        public boolean reportProgress(double fractionComplete) {
            long now = System.currentTimeMillis();
            if (now - mLoadingLastUpdateTime > 100) {
                mProgressDialog.setProgress((int) (mProgressDialog.getMax() * fractionComplete));
                mLoadingLastUpdateTime = now;
            }
            return mLoadingKeepGoing;
        }
    };

    // Create the MediaPlayer in a background thread
    mCanSeekAccurately = false;
    new Thread() {
        public void run() {
            mCanSeekAccurately = SeekTest.CanSeekAccurately(getPreferences(Context.MODE_PRIVATE));

            System.out.println("Seek test done, creating media player.");
            try {
                MediaPlayer player = new MediaPlayer();
                player.setDataSource(mFile.getAbsolutePath());
                player.setAudioStreamType(AudioManager.STREAM_MUSIC);
                player.prepare();
                mPlayer = player;
            } catch (final java.io.IOException e) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
            }
            ;
        }
    }.start();

    // Load the sound file in a background thread
    new Thread() {
        public void run() {
            try {
                mSoundFile = CheapSoundFile.create(mFile.getAbsolutePath(), listener);

                if (mSoundFile == null) {
                    mProgressDialog.dismiss();
                    String name = mFile.getName().toLowerCase();
                    String[] components = name.split("\\.");
                    String err;
                    if (components.length < 2) {
                        err = getResources().getString(R.string.no_extension_error);
                    } else {
                        err = getResources().getString(R.string.bad_extension_error) + " "
                                + components[components.length - 1];
                    }
                    final String finalErr = err;
                    Runnable runnable = new Runnable() {
                        public void run() {
                            handleFatalError("UnsupportedExtension", finalErr, new Exception());
                        }
                    };
                    mHandler.post(runnable);
                    return;
                }
            } catch (final Exception e) {
                mProgressDialog.dismiss();
                e.printStackTrace();
                mInfo.setText(e.toString());

                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
                return;
            }
            mProgressDialog.dismiss();
            if (mLoadingKeepGoing) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        finishOpeningSoundFile();
                    }
                };
                mHandler.post(runnable);
            } else {
                SpeechEdEditActivity.this.finish();
            }
        }
    }.start();
}

From source file:mp.teardrop.PlaybackService.java

/**
 * Returns a new MediaPlayer object// w  w  w  .j av a2s .c o m
 */
private MediaPlayer getNewMediaPlayer() {
    MediaPlayer mp = new MediaPlayer();
    mp.setAudioStreamType(AudioManager.STREAM_MUSIC);
    mp.setOnCompletionListener(this);
    mp.setOnErrorListener(this);
    mp.setOnPreparedListener(this);
    return mp;
}

From source file:com.ringdroid.RingdroidEditActivity.java

private void loadFromFile() {
    mFile = new File(mFilename);
    mExtension = getExtensionFromFilename(mFilename);

    SongMetadataReader metadataReader = new SongMetadataReader(this, mFilename);
    mTitle = metadataReader.mTitle;/*from  ww  w .  j av  a 2 s  . co m*/
    mArtist = metadataReader.mArtist;
    mAlbum = metadataReader.mAlbum;
    mYear = metadataReader.mYear;
    mGenre = metadataReader.mGenre;

    String titleLabel = mTitle;
    if (mArtist != null && mArtist.length() > 0) {
        titleLabel += " - " + mArtist;
    }
    setTitle(Utils.convertGBK(titleLabel));

    mLoadingStartTime = System.currentTimeMillis();
    mLoadingLastUpdateTime = System.currentTimeMillis();
    mLoadingKeepGoing = true;
    mProgressDialog = new ProgressDialog(RingdroidEditActivity.this);
    mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    mProgressDialog.setTitle(R.string.progress_dialog_loading);
    mProgressDialog.setCancelable(true);
    mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
        public void onCancel(DialogInterface dialog) {
            mLoadingKeepGoing = false;
        }
    });
    mProgressDialog.show();

    final CheapSoundFile.ProgressListener listener = new CheapSoundFile.ProgressListener() {
        public boolean reportProgress(double fractionComplete) {
            long now = System.currentTimeMillis();
            if (now - mLoadingLastUpdateTime > 100) {
                mProgressDialog.setProgress((int) (mProgressDialog.getMax() * fractionComplete));
                mLoadingLastUpdateTime = now;
            }
            return mLoadingKeepGoing;
        }
    };

    // Create the MediaPlayer in a background thread
    mCanSeekAccurately = false;
    new Thread() {
        public void run() {
            mCanSeekAccurately = SeekTest.CanSeekAccurately(getPreferences(Context.MODE_PRIVATE));

            System.out.println("Seek test done, creating media player.");
            try {
                MediaPlayer player = new MediaPlayer();
                player.setDataSource(mFile.getAbsolutePath());
                player.setAudioStreamType(AudioManager.STREAM_MUSIC);
                player.prepare();
                mPlayer = player;
            } catch (final java.io.IOException e) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
            }
            ;
        }
    }.start();

    // Load the sound file in a background thread
    new Thread() {
        public void run() {
            try {
                mSoundFile = CheapSoundFile.create(mFile.getAbsolutePath(), listener);

                if (mSoundFile == null) {
                    String name = mFile.getName().toLowerCase();
                    String[] components = name.split("\\.");
                    String err;
                    if (components.length < 2) {
                        err = getResources().getString(R.string.no_extension_error);
                    } else {
                        err = getResources().getString(R.string.bad_extension_error) + " "
                                + components[components.length - 1];
                    }
                    final String finalErr = err;
                    Runnable runnable = new Runnable() {
                        public void run() {
                            mProgressDialog.dismiss();
                            handleFatalError("UnsupportedExtension", finalErr, new Exception());
                        }
                    };
                    mHandler.post(runnable);
                    return;
                }
            } catch (final Exception e) {
                e.printStackTrace();

                Runnable runnable = new Runnable() {
                    public void run() {
                        mProgressDialog.dismiss();
                        mInfo.setText(e.toString());
                        handleFatalError("ReadError", getResources().getText(R.string.read_error), e);
                    }
                };
                mHandler.post(runnable);
                return;
            }
            mHandler.post(new Runnable() {

                @Override
                public void run() {
                    mProgressDialog.dismiss();
                }

            });
            if (mLoadingKeepGoing) {
                Runnable runnable = new Runnable() {
                    public void run() {
                        finishOpeningSoundFile();
                    }
                };
                mHandler.post(runnable);
            } else {
                RingdroidEditActivity.this.finish();
            }
        }
    }.start();
}

From source file:com.wojtechnology.sunami.TheBrain.java

public void playSong(FireMixtape song, boolean saveLast) {
    FireMixtape oldPlaying = mPlaying;//from w w  w. j a va  2s . c om
    mPlaying = song;

    if (song.isSoundcloud && !isSoundcloudEnabled()) {
        playNext();
        return;
    }

    if (mPlaying != null) {
        // request audio focus if already doesn't have it
        registerAudio();
        updateListItem(mPlaying);
        if (oldPlaying != null) {
            donePlayback(oldPlaying, mPlayTimer.reset());
            if (saveLast) {
                mSongHistory.push(oldPlaying);
            }
        } else {
            mShuffleController.setSongValuesAsync();
        }
        mMediaPlayer.reset();
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        try {
            mMediaPlayer.setDataSource(mPlaying.data);
            mMediaPlayer.prepareAsync();
            mPreparing = true;
            setNotification(mPlaying);
            if (mBound) {
                mContext.playSong(mPlaying);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:example.audiovisualization.app.fragment.WaveformFragment.java

protected synchronized void onPlay(int startPosition) {
    if (mIsPlaying) {
        handlePause();//  w  w w  .  ja v  a2  s .co m
        return;
    }

    if (mPlayer == null) {
        // Not initialized yet
        return;
    }

    try {
        mPlayStartMsec = mWaveformView.pixelsToMillisecs(startPosition);
        if (startPosition < mStartPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mStartPos);
        } else if (startPosition > mEndPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mMaxPos);
        } else {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mEndPos);
        }

        mPlayStartOffset = 0;

        int startFrame = mWaveformView.secondsToFrames(mPlayStartMsec * 0.001);
        int endFrame = mWaveformView.secondsToFrames(mPlayEndMsec * 0.001);
        int startByte = mSoundFile.getSeekableFrameOffset(startFrame);
        int endByte = mSoundFile.getSeekableFrameOffset(endFrame);
        if (startByte >= 0 && endByte >= 0) {
            try {
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                FileInputStream subsetInputStream = new FileInputStream(mFile.getAbsolutePath());
                mPlayer.setDataSource(subsetInputStream.getFD(), startByte, endByte - startByte);
                mPlayer.prepare();
                mPlayStartOffset = mPlayStartMsec;
            } catch (Exception e) {
                Log.e(TAG, "Exception trying to play file subset", e);
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                mPlayer.setDataSource(mFile.getAbsolutePath());
                mPlayer.prepare();
                mPlayStartOffset = 0;
            }
        }

        mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mediaPlayer) {
                WaveformFragment.this.handlePause();
            }
        });
        mIsPlaying = true;

        if (mPlayStartOffset == 0) {
            mPlayer.seekTo(mPlayStartMsec);
        }
        mPlayer.start();
        updateDisplay();
        enableDisableButtons();
    } catch (Exception e) {
        Log.e(TAG, "Exception while playing file", e);
    }
}

From source file:com.soubw.other.WaveformFragment.java

protected synchronized void onPlay(int startPosition) {
    if (mIsPlaying) {
        handlePause();/*w w w.  j  a  v  a  2 s  . c o  m*/
        return;
    }

    if (mPlayer == null) {
        // Not initialized yet
        return;
    }

    try {
        mPlayStartMsec = mWaveformView.pixelsToMillisecs(startPosition);
        if (startPosition < mStartPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mStartPos);
        } else if (startPosition > mEndPos) {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mMaxPos);
        } else {
            mPlayEndMsec = mWaveformView.pixelsToMillisecs(mEndPos);
        }

        mPlayStartOffset = 0;

        int startFrame = mWaveformView.secondsToFrames(mPlayStartMsec * 0.001);
        int endFrame = mWaveformView.secondsToFrames(mPlayEndMsec * 0.001);
        int startByte = mSoundFile.getSeekableFrameOffset(startFrame);
        int endByte = mSoundFile.getSeekableFrameOffset(endFrame);
        if (startByte >= 0 && endByte >= 0) {
            try {
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                FileInputStream subsetInputStream = new FileInputStream(mFile.getAbsolutePath());
                mPlayer.setDataSource(subsetInputStream.getFD(), startByte, endByte - startByte);
                mPlayer.prepare();
                mPlayStartOffset = mPlayStartMsec;
            } catch (Exception e) {
                Log.e(TAG, "Exception trying to play file subset", e);
                mPlayer.reset();
                mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                mPlayer.setDataSource(mFile.getAbsolutePath());
                mPlayer.prepare();
                mPlayStartOffset = 0;
            }
        }

        mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                handlePause();
            }
        });
        mIsPlaying = true;

        if (mPlayStartOffset == 0) {
            mPlayer.seekTo(mPlayStartMsec);
        }
        mPlayer.start();
        updateDisplay();
        enableDisableButtons();
    } catch (Exception e) {
        Log.e(TAG, "Exception while playing file", e);
    }
}