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Use dedicated audio renderer

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Use a dedicated audio renderer to shrink APK size, and possible reduce battery/cache usage.
This commit is contained in:
OxygenCobalt 2020-12-25 21:39:49 -07:00
parent 600aa2d6f1
commit 501e40b2bf
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GPG key ID: 37DBE3621FE9AD47
1 changed files with 19 additions and 3 deletions
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22
app/src/main/java/org/oxycblt/auxio/playback/PlaybackService.kt
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@ -20,9 +20,13 @@ import com.google.android.exoplayer2.C
import com.google.android.exoplayer2.ExoPlaybackException import com.google.android.exoplayer2.ExoPlaybackException
import com.google.android.exoplayer2.MediaItem import com.google.android.exoplayer2.MediaItem
import com.google.android.exoplayer2.Player import com.google.android.exoplayer2.Player
import com.google.android.exoplayer2.Renderer
import com.google.android.exoplayer2.RenderersFactory
import com.google.android.exoplayer2.SimpleExoPlayer import com.google.android.exoplayer2.SimpleExoPlayer
import com.google.android.exoplayer2.audio.AudioAttributes import com.google.android.exoplayer2.audio.AudioAttributes
import com.google.android.exoplayer2.audio.MediaCodecAudioRenderer
import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector
import com.google.android.exoplayer2.mediacodec.MediaCodecSelector
import kotlinx.coroutines.CoroutineScope import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job import kotlinx.coroutines.Job
@ -54,9 +58,7 @@ import org.oxycblt.auxio.settings.SettingsManager
* @author OxygenCobalt * @author OxygenCobalt
*/ */
class PlaybackService : Service(), Player.EventListener, PlaybackStateManager.Callback, SettingsManager.Callback { class PlaybackService : Service(), Player.EventListener, PlaybackStateManager.Callback, SettingsManager.Callback {
private val player: SimpleExoPlayer by lazy { private val player: SimpleExoPlayer by lazy { newPlayer() }
SimpleExoPlayer.Builder(applicationContext).build()
}
private val playbackManager = PlaybackStateManager.getInstance() private val playbackManager = PlaybackStateManager.getInstance()
private val settingsManager = SettingsManager.getInstance() private val settingsManager = SettingsManager.getInstance()
@ -332,6 +334,20 @@ class PlaybackService : Service(), Player.EventListener, PlaybackStateManager.Ca
// --- OTHER FUNCTIONS --- // --- OTHER FUNCTIONS ---
/**
* Create the [SimpleExoPlayer] instance.
*/
private fun newPlayer(): SimpleExoPlayer {
// Since Auxio is a music player, only specify an audio renderer to save battery & cache space.
val audioRenderer = RenderersFactory { handler, vidListener, audioListener, textOutput, metadataOutput ->
arrayOf<Renderer>(
MediaCodecAudioRenderer(this, MediaCodecSelector.DEFAULT, handler, audioListener)
)
}
return SimpleExoPlayer.Builder(this, audioRenderer).build()
}
/** /**
* Restore the [SimpleExoPlayer] state, if the service was destroyed while [PlaybackStateManager] persisted. * Restore the [SimpleExoPlayer] state, if the service was destroyed while [PlaybackStateManager] persisted.
*/ */