Rename InternalTextureManager to BitmapTextureManager

A new texture manager will be created for input by texture ID so this texture manager won't be the only one to handle internal (i.e. non-external) textures.

PiperOrigin-RevId: 525116460

libraries/effect/src/main/java/androidx/media3/effect/InternalTextureManager.java → libraries/effect/src/main/java/androidx/media3/effect/BitmapTextureManager.java

@@ -38,7 +38,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
  * <p>Public methods in this class can be called from any thread.
  */
 @UnstableApi
-/* package */ final class InternalTextureManager implements GlShaderProgram.InputListener {
+/* package */ final class BitmapTextureManager implements GlShaderProgram.InputListener {
   private final GlShaderProgram shaderProgram;
   private final VideoFrameProcessingTaskExecutor videoFrameProcessingTaskExecutor;
   // The queue holds all bitmaps with one or more frames pending to be sent downstream.
@@ -55,12 +55,12 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   /**
    * Creates a new instance.
    *
-   * @param shaderProgram The {@link GlShaderProgram} for which this {@code InternalTextureManager}
+   * @param shaderProgram The {@link GlShaderProgram} for which this {@code BitmapTextureManager}
    *     will be set as the {@link GlShaderProgram.InputListener}.
    * @param videoFrameProcessingTaskExecutor The {@link VideoFrameProcessingTaskExecutor} that the
    *     methods of this class run on.
    */
-  public InternalTextureManager(
+  public BitmapTextureManager(
       GlShaderProgram shaderProgram,
       VideoFrameProcessingTaskExecutor videoFrameProcessingTaskExecutor) {
     this.shaderProgram = shaderProgram;

libraries/effect/src/main/java/androidx/media3/effect/DefaultVideoFrameProcessor.java

@@ -252,7 +252,7 @@ public final class DefaultVideoFrameProcessor implements VideoFrameProcessor {
   private final EGLDisplay eglDisplay;
   private final EGLContext eglContext;
   private final VideoFrameProcessingTaskExecutor videoFrameProcessingTaskExecutor;
-  private @MonotonicNonNull InternalTextureManager inputInternalTextureManager;
+  private @MonotonicNonNull BitmapTextureManager inputBitmapTextureManager;
   private @MonotonicNonNull ExternalTextureManager inputExternalTextureManager;
   private final boolean releaseFramesAutomatically;
   private final FinalShaderProgramWrapper finalShaderProgramWrapper;
@@ -287,9 +287,9 @@ public final class DefaultVideoFrameProcessor implements VideoFrameProcessor {
               (ExternalShaderProgram) inputShaderProgram, videoFrameProcessingTaskExecutor);
       inputShaderProgram.setInputListener(inputExternalTextureManager);
     } else {
-      inputInternalTextureManager =
-          new InternalTextureManager(inputShaderProgram, videoFrameProcessingTaskExecutor);
-      inputShaderProgram.setInputListener(inputInternalTextureManager);
+      inputBitmapTextureManager =
+          new BitmapTextureManager(inputShaderProgram, videoFrameProcessingTaskExecutor);
+      inputShaderProgram.setInputListener(inputBitmapTextureManager);
     }
 
     finalShaderProgramWrapper = (FinalShaderProgramWrapper) getLast(shaderPrograms);
@@ -323,7 +323,7 @@ public final class DefaultVideoFrameProcessor implements VideoFrameProcessor {
 
   @Override
   public void queueInputBitmap(Bitmap inputBitmap, long durationUs, float frameRate) {
-    checkNotNull(inputInternalTextureManager)
+    checkNotNull(inputBitmapTextureManager)
         .queueInputBitmap(inputBitmap, durationUs, frameRate, /* useHdr= */ false);
   }
 
@@ -369,8 +369,8 @@ public final class DefaultVideoFrameProcessor implements VideoFrameProcessor {
   public void signalEndOfInput() {
     checkState(!inputStreamEnded);
     inputStreamEnded = true;
-    if (inputInternalTextureManager != null) {
-      videoFrameProcessingTaskExecutor.submit(inputInternalTextureManager::signalEndOfInput);
+    if (inputBitmapTextureManager != null) {
+      videoFrameProcessingTaskExecutor.submit(inputBitmapTextureManager::signalEndOfInput);
     }
     if (inputExternalTextureManager != null) {
       videoFrameProcessingTaskExecutor.submit(inputExternalTextureManager::signalEndOfInput);