Examples with AudioManager android.media.AudioManager used on opensource projects

Example 66 with AudioManager

use of android.media.AudioManager in project android_frameworks_base by AOSPA.

the class VideoView method release.

/*
     * release the media player in any state
     */
private void release(boolean cleartargetstate) {
    if (mMediaPlayer != null) {
        mMediaPlayer.reset();
        mMediaPlayer.release();
        mMediaPlayer = null;
        mPendingSubtitleTracks.clear();
        mCurrentState = STATE_IDLE;
        if (cleartargetstate) {
            mTargetState = STATE_IDLE;
        }
        AudioManager am = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
        am.abandonAudioFocus(null);
    }
}

Example 67 with AudioManager

use of android.media.AudioManager in project android_frameworks_base by crdroidandroid.

the class SettingsHelper method applyAudioSettings.

/**
     * Informs the audio service of changes to the settings so that
     * they can be re-read and applied.
     */
void applyAudioSettings() {
    AudioManager am = new AudioManager(mContext);
    am.reloadAudioSettings();
}

Example 68 with AudioManager

use of android.media.AudioManager in project android_frameworks_base by crdroidandroid.

the class VideoView method openVideo.

private void openVideo() {
    if (mUri == null || mSurfaceHolder == null) {
        // not ready for playback just yet, will try again later
        return;
    }
    // we shouldn't clear the target state, because somebody might have
    // called start() previously
    release(false);
    AudioManager am = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
    am.requestAudioFocus(null, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    try {
        mMediaPlayer = new MediaPlayer();
        // TODO: create SubtitleController in MediaPlayer, but we need
        // a context for the subtitle renderers
        final Context context = getContext();
        final SubtitleController controller = new SubtitleController(context, mMediaPlayer.getMediaTimeProvider(), mMediaPlayer);
        controller.registerRenderer(new WebVttRenderer(context));
        controller.registerRenderer(new TtmlRenderer(context));
        controller.registerRenderer(new Cea708CaptionRenderer(context));
        controller.registerRenderer(new ClosedCaptionRenderer(context));
        mMediaPlayer.setSubtitleAnchor(controller, this);
        if (mAudioSession != 0) {
            mMediaPlayer.setAudioSessionId(mAudioSession);
        } else {
            mAudioSession = mMediaPlayer.getAudioSessionId();
        }
        mMediaPlayer.setOnPreparedListener(mPreparedListener);
        mMediaPlayer.setOnVideoSizeChangedListener(mSizeChangedListener);
        mMediaPlayer.setOnCompletionListener(mCompletionListener);
        mMediaPlayer.setOnErrorListener(mErrorListener);
        mMediaPlayer.setOnInfoListener(mInfoListener);
        mMediaPlayer.setOnBufferingUpdateListener(mBufferingUpdateListener);
        mCurrentBufferPercentage = 0;
        mMediaPlayer.setDataSource(mContext, mUri, mHeaders);
        mMediaPlayer.setDisplay(mSurfaceHolder);
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mMediaPlayer.setScreenOnWhilePlaying(true);
        mMediaPlayer.prepareAsync();
        for (Pair<InputStream, MediaFormat> pending : mPendingSubtitleTracks) {
            try {
                mMediaPlayer.addSubtitleSource(pending.first, pending.second);
            } catch (IllegalStateException e) {
                mInfoListener.onInfo(mMediaPlayer, MediaPlayer.MEDIA_INFO_UNSUPPORTED_SUBTITLE, 0);
            }
        }
        // we don't set the target state here either, but preserve the
        // target state that was there before.
        mCurrentState = STATE_PREPARING;
        attachMediaController();
    } catch (IOException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
        return;
    } catch (IllegalArgumentException ex) {
        Log.w(TAG, "Unable to open content: " + mUri, ex);
        mCurrentState = STATE_ERROR;
        mTargetState = STATE_ERROR;
        mErrorListener.onError(mMediaPlayer, MediaPlayer.MEDIA_ERROR_UNKNOWN, 0);
        return;
    } finally {
        mPendingSubtitleTracks.clear();
    }
}

Example 69 with AudioManager

use of android.media.AudioManager in project android_frameworks_base by crdroidandroid.

the class VideoView method stopPlayback.

public void stopPlayback() {
    if (mMediaPlayer != null) {
        mMediaPlayer.stop();
        mMediaPlayer.release();
        mMediaPlayer = null;
        mCurrentState = STATE_IDLE;
        mTargetState = STATE_IDLE;
        AudioManager am = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
        am.abandonAudioFocus(null);
    }
}

Example 70 with AudioManager

use of android.media.AudioManager in project android_frameworks_base by crdroidandroid.

the class VolumeControlAction method shouldUpdateAudioVolume.

private boolean shouldUpdateAudioVolume(boolean mute) {
    // Do nothing if in mute.
    if (mute) {
        return true;
    }
    // Update audio status if current volume position is edge of volume bar,
    // i.e max or min volume.
    AudioManager audioManager = tv().getService().getAudioManager();
    int currentVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
    if (mIsVolumeUp) {
        int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
        return currentVolume == maxVolume;
    } else {
        return currentVolume == 0;
    }
}