Inject MediaCodecAdapter.Factory

Make the MediaCodecFactory injectable from the constructors of
MediaCodecAudioRenderer and MediaCodecVideoRenderer.

PiperOrigin-RevId: 346784661

library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java

@@ -173,6 +173,7 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
       AudioSink audioSink) {
     this(
         context,
+        MediaCodecAdapter.Factory.DEFAULT,
         mediaCodecSelector,
         /* enableDecoderFallback= */ false,
         eventHandler,
@@ -198,8 +199,42 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
       @Nullable Handler eventHandler,
       @Nullable AudioRendererEventListener eventListener,
       AudioSink audioSink) {
+    this(
+        context,
+        MediaCodecAdapter.Factory.DEFAULT,
+        mediaCodecSelector,
+        enableDecoderFallback,
+        eventHandler,
+        eventListener,
+        audioSink);
+  }
+
+  /**
+   * Creates a new instance.
+   *
+   * @param context A context.
+   * @param codecAdapterFactory The {@link MediaCodecAdapter.Factory} used to create {@link
+   *     MediaCodecAdapter} instances.
+   * @param mediaCodecSelector A decoder selector.
+   * @param enableDecoderFallback Whether to enable fallback to lower-priority decoders if decoder
+   *     initialization fails. This may result in using a decoder that is slower/less efficient than
+   *     the primary decoder.
+   * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
+   *     null if delivery of events is not required.
+   * @param eventListener A listener of events. May be null if delivery of events is not required.
+   * @param audioSink The sink to which audio will be output.
+   */
+  public MediaCodecAudioRenderer(
+      Context context,
+      MediaCodecAdapter.Factory codecAdapterFactory,
+      MediaCodecSelector mediaCodecSelector,
+      boolean enableDecoderFallback,
+      @Nullable Handler eventHandler,
+      @Nullable AudioRendererEventListener eventListener,
+      AudioSink audioSink) {
     super(
         C.TRACK_TYPE_AUDIO,
+        codecAdapterFactory,
         mediaCodecSelector,
         enableDecoderFallback,
         /* assumedMinimumCodecOperatingRate= */ 44100);

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecAdapter.java

@@ -39,6 +39,9 @@ public interface MediaCodecAdapter {
   /** A factory for {@link MediaCodecAdapter} instances. */
   interface Factory {
 
+    /** Default factory used in most cases. */
+    Factory DEFAULT = new SynchronousMediaCodecAdapter.Factory();
+
     /** Creates an instance wrapping the provided {@link MediaCodec} instance. */
     MediaCodecAdapter createAdapter(MediaCodec codec);
   }

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java

@@ -290,6 +290,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
 
   private static final int ADAPTATION_WORKAROUND_SLICE_WIDTH_HEIGHT = 32;
 
+  private final MediaCodecAdapter.Factory codecAdapterFactory;
   private final MediaCodecSelector mediaCodecSelector;
   private final boolean enableDecoderFallback;
   private final float assumedMinimumCodecOperatingRate;
@@ -374,10 +375,12 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
    */
   public MediaCodecRenderer(
       int trackType,
+      MediaCodecAdapter.Factory codecAdapterFactory,
       MediaCodecSelector mediaCodecSelector,
       boolean enableDecoderFallback,
       float assumedMinimumCodecOperatingRate) {
     super(trackType);
+    this.codecAdapterFactory = codecAdapterFactory;
     this.mediaCodecSelector = checkNotNull(mediaCodecSelector);
     this.enableDecoderFallback = enableDecoderFallback;
     this.assumedMinimumCodecOperatingRate = assumedMinimumCodecOperatingRate;
@@ -1082,7 +1085,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
                     enableSynchronizeCodecInteractionsWithQueueing)
                 .createAdapter(codec);
       } else {
-        codecAdapter = new SynchronousMediaCodecAdapter.Factory().createAdapter(codec);
+        codecAdapter = codecAdapterFactory.createAdapter(codec);
       }
       TraceUtil.endSection();
       TraceUtil.beginSection("configureCodec");

library/core/src/main/java/com/google/android/exoplayer2/video/MediaCodecVideoRenderer.java

@@ -200,6 +200,7 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
       int maxDroppedFramesToNotify) {
     this(
         context,
+        MediaCodecAdapter.Factory.DEFAULT,
         mediaCodecSelector,
         allowedJoiningTimeMs,
         /* enableDecoderFallback= */ false,
@@ -230,8 +231,47 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
       @Nullable Handler eventHandler,
       @Nullable VideoRendererEventListener eventListener,
       int maxDroppedFramesToNotify) {
+    this(
+        context,
+        MediaCodecAdapter.Factory.DEFAULT,
+        mediaCodecSelector,
+        allowedJoiningTimeMs,
+        enableDecoderFallback,
+        eventHandler,
+        eventListener,
+        maxDroppedFramesToNotify);
+  }
+
+  /**
+   * Creates a new instance.
+   *
+   * @param context A context.
+   * @param codecAdapterFactory The {@link MediaCodecAdapter.Factory} used to create {@link
+   *     MediaCodecAdapter} instances.
+   * @param mediaCodecSelector A decoder selector.
+   * @param allowedJoiningTimeMs The maximum duration in milliseconds for which this video renderer
+   *     can attempt to seamlessly join an ongoing playback.
+   * @param enableDecoderFallback Whether to enable fallback to lower-priority decoders if decoder
+   *     initialization fails. This may result in using a decoder that is slower/less efficient than
+   *     the primary decoder.
+   * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
+   *     null if delivery of events is not required.
+   * @param eventListener A listener of events. May be null if delivery of events is not required.
+   * @param maxDroppedFramesToNotify The maximum number of frames that can be dropped between
+   *     invocations of {@link VideoRendererEventListener#onDroppedFrames(int, long)}.
+   */
+  public MediaCodecVideoRenderer(
+      Context context,
+      MediaCodecAdapter.Factory codecAdapterFactory,
+      MediaCodecSelector mediaCodecSelector,
+      long allowedJoiningTimeMs,
+      boolean enableDecoderFallback,
+      @Nullable Handler eventHandler,
+      @Nullable VideoRendererEventListener eventListener,
+      int maxDroppedFramesToNotify) {
     super(
         C.TRACK_TYPE_VIDEO,
+        codecAdapterFactory,
         mediaCodecSelector,
         enableDecoderFallback,
         /* assumedMinimumCodecOperatingRate= */ 30);