Delete glPrograms in Contrast and RgbMatrix.

Remove unecessary null checks.

PiperOrigin-RevId: 469999952

demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/BitmapOverlayProcessor.java

@@ -129,7 +129,7 @@ import java.util.Locale;
   @Override
   public void drawFrame(int inputTexId, long presentationTimeUs) throws FrameProcessingException {
     try {
-      checkStateNotNull(glProgram).use();
+      glProgram.use();
 
       // Draw to the canvas and store it in a texture.
       String text =
@@ -159,12 +159,10 @@ import java.util.Locale;
   @Override
   public void release() throws FrameProcessingException {
     super.release();
-    if (glProgram != null) {
-      try {
-        glProgram.delete();
-      } catch (GlUtil.GlException e) {
-        throw new FrameProcessingException(e);
-      }
+    try {
+      glProgram.delete();
+    } catch (GlUtil.GlException e) {
+      throw new FrameProcessingException(e);
     }
   }
 

demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/PeriodicVignetteProcessor.java

@@ -114,12 +114,10 @@ import java.io.IOException;
   @Override
   public void release() throws FrameProcessingException {
     super.release();
-    if (glProgram != null) {
-      try {
-        glProgram.delete();
-      } catch (GlUtil.GlException e) {
-        throw new FrameProcessingException(e);
-      }
+    try {
+      glProgram.delete();
+    } catch (GlUtil.GlException e) {
+      throw new FrameProcessingException(e);
     }
   }
 }

google3/third_party/java_src/android_libs/media/libraries/effect/src/main/java/androidx/media3/effect/ContrastProcessor.java

@@ -75,4 +75,14 @@ import java.io.IOException;
       throw new FrameProcessingException(e, presentationTimeUs);
     }
   }
+
+  @Override
+  public void release() throws FrameProcessingException {
+    super.release();
+    try {
+      glProgram.delete();
+    } catch (GlUtil.GlException e) {
+      throw new FrameProcessingException(e);
+    }
+  }
 }

google3/third_party/java_src/android_libs/media/libraries/effect/src/main/java/androidx/media3/effect/MatrixTransformationProcessor.java

@@ -321,12 +321,10 @@ import java.util.Arrays;
   @Override
   public void release() throws FrameProcessingException {
     super.release();
-    if (glProgram != null) {
-      try {
-        glProgram.delete();
-      } catch (GlUtil.GlException e) {
-        throw new FrameProcessingException(e);
-      }
+    try {
+      glProgram.delete();
+    } catch (GlUtil.GlException e) {
+      throw new FrameProcessingException(e);
     }
   }
 

google3/third_party/java_src/android_libs/media/libraries/effect/src/main/java/androidx/media3/effect/RgbMatrixProcessor.java

@@ -135,4 +135,14 @@ import java.io.IOException;
       throw new FrameProcessingException(e, presentationTimeUs);
     }
   }
+
+  @Override
+  public void release() throws FrameProcessingException {
+    super.release();
+    try {
+      glProgram.delete();
+    } catch (GlUtil.GlException e) {
+      throw new FrameProcessingException(e);
+    }
+  }
 }