Replace usages of SampleQueue.hasNextSample with isReady

PiperOrigin-RevId: 277259448

library/core/src/main/java/com/google/android/exoplayer2/source/ProgressiveMediaPeriod.java

@@ -523,7 +523,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
     boolean[] trackIsAudioVideoFlags = getPreparedState().trackIsAudioVideoFlags;
     if (!pendingDeferredRetry
         || !trackIsAudioVideoFlags[track]
-        || sampleQueues[track].hasNextSample()) {
+        || sampleQueues[track].isReady(/* loadingFinished= */ false)) {
       return;
     }
     pendingResetPositionUs = 0;

library/core/src/main/java/com/google/android/exoplayer2/source/SampleQueue.java

@@ -203,11 +203,6 @@ public class SampleQueue implements TrackOutput {
     }
   }
 
-  /** Returns whether a sample is available to be read. */
-  public boolean hasNextSample() {
-    return metadataQueue.hasNextSample();
-  }
-
   /**
    * Returns the absolute index of the first sample.
    */

library/core/src/main/java/com/google/android/exoplayer2/source/chunk/ChunkSampleStream.java

@@ -740,7 +740,7 @@ public class ChunkSampleStream<T extends ChunkSource> implements SampleStream, S
 
     @Override
     public boolean isReady() {
-      return loadingFinished || (!isPendingReset() && sampleQueue.hasNextSample());
+      return !isPendingReset() && sampleQueue.isReady(loadingFinished);
     }
 
     @Override

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/PlayerEmsgHandler.java

@@ -355,7 +355,7 @@ public final class PlayerEmsgHandler implements Handler.Callback {
     // Internal methods.
 
     private void parseAndDiscardSamples() {
-      while (sampleQueue.hasNextSample()) {
+      while (sampleQueue.isReady(/* loadingFinished= */ false)) {
         MetadataInputBuffer inputBuffer = dequeueSample();
         if (inputBuffer == null) {
           continue;