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Lazily initialize current audio capabilities in DefaultAudioSink

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PiperOrigin-RevId: 716224052
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tonihei 2025-01-16 07:14:28 -08:00 committed by Copybara-Service
parent 1732892927
commit 4328d29f34
1 changed files with 6 additions and 7 deletions
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13
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
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@ -20,7 +20,6 @@ import static androidx.media3.common.util.Assertions.checkState;
import static androidx.media3.common.util.Util.constrainValue;
import static androidx.media3.common.util.Util.msToUs;
import static androidx.media3.exoplayer.audio.AudioCapabilities.DEFAULT_AUDIO_CAPABILITIES;
import static androidx.media3.exoplayer.audio.AudioCapabilities.getCapabilities;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.lang.annotation.ElementType.TYPE_USE;
@ -77,6 +76,7 @@ import java.nio.ByteOrder;
import java.util.ArrayDeque;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import org.checkerframework.checker.nullness.qual.EnsuresNonNull;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
import org.checkerframework.checker.nullness.qual.RequiresNonNull;
@ -539,7 +539,7 @@ public final class DefaultAudioSink implements AudioSink {
private @MonotonicNonNull Configuration configuration;
private @MonotonicNonNull AudioProcessingPipeline audioProcessingPipeline;
@Nullable private AudioTrack audioTrack;
private AudioCapabilities audioCapabilities;
private @MonotonicNonNull AudioCapabilities audioCapabilities;
private @MonotonicNonNull AudioCapabilitiesReceiver audioCapabilitiesReceiver;
@Nullable private OnRoutingChangedListenerApi24 onRoutingChangedListener;
@ -588,10 +588,7 @@ public final class DefaultAudioSink implements AudioSink {
private DefaultAudioSink(Builder builder) {
context = builder.context;
audioAttributes = AudioAttributes.DEFAULT;
audioCapabilities =
context != null
? getCapabilities(context, audioAttributes, /* routedDevice= */ null)
: builder.audioCapabilities;
audioCapabilities = context != null ? null : builder.audioCapabilities;
audioProcessorChain = builder.audioProcessorChain;
enableFloatOutput = builder.enableFloatOutput;
preferAudioTrackPlaybackParams = Util.SDK_INT >= 23 && builder.enableAudioTrackPlaybackParams;
@ -1586,7 +1583,7 @@ public final class DefaultAudioSink implements AudioSink {
+ playbackLooperName
+ ")");
}
if (!audioCapabilities.equals(this.audioCapabilities)) {
if (this.audioCapabilities != null && !audioCapabilities.equals(this.audioCapabilities)) {
this.audioCapabilities = audioCapabilities;
if (listener != null) {
listener.onAudioCapabilitiesChanged();
@ -1795,6 +1792,7 @@ public final class DefaultAudioSink implements AudioSink {
: writtenEncodedFrames;
}
@EnsuresNonNull("audioCapabilities")
private void maybeStartAudioCapabilitiesReceiver() {
if (audioCapabilitiesReceiver == null && context != null) {
// Must be lazily initialized to receive audio capabilities receiver listener event on the
@ -1805,6 +1803,7 @@ public final class DefaultAudioSink implements AudioSink {
context, this::onAudioCapabilitiesChanged, audioAttributes, preferredDevice);
audioCapabilities = audioCapabilitiesReceiver.register();
}
checkNotNull(audioCapabilities);
}
private static boolean isOffloadedPlayback(AudioTrack audioTrack) {