Remove unused previousExtractor from HlsExtractorFactory

PiperOrigin-RevId: 316902430

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/DefaultHlsExtractorFactory.java

@@ -89,7 +89,6 @@ public final class DefaultHlsExtractorFactory implements HlsExtractorFactory {
 
   @Override
   public BundledHlsMediaChunkExtractor createExtractor(
-      @Nullable HlsMediaChunkExtractor previousExtractor,
       Uri uri,
       Format format,
       @Nullable List<Format> muxedCaptionFormats,

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsExtractorFactory.java

@@ -36,9 +36,6 @@ public interface HlsExtractorFactory {
   /**
    * Creates an {@link Extractor} for extracting HLS media chunks.
    *
-   * @param previousExtractor A previously used {@link Extractor} which can be reused if the current
-   *     chunk is a continuation of the previously extracted chunk, or null otherwise. It is the
-   *     responsibility of implementers to only reuse extractors that are suited for reusage.
    * @param uri The URI of the media chunk.
    * @param format A {@link Format} associated with the chunk to extract.
    * @param muxedCaptionFormats List of muxed caption {@link Format}s. Null if no closed caption
@@ -53,7 +50,6 @@ public interface HlsExtractorFactory {
    * @throws IOException If an I/O error is encountered while sniffing.
    */
   HlsMediaChunkExtractor createExtractor(
-      @Nullable HlsMediaChunkExtractor previousExtractor,
       Uri uri,
       Format format,
       @Nullable List<Format> muxedCaptionFormats,

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaChunk.java

@@ -427,7 +427,6 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
       extractor =
           extractorFactory.createExtractor(
-              previousExtractor,
               dataSpec.uri,
               trackFormat,
               muxedCaptionFormats,

library/hls/src/test/java/com/google/android/exoplayer2/source/hls/DefaultHlsExtractorFactoryTest.java

@@ -69,7 +69,6 @@ public class DefaultHlsExtractorFactoryTest {
     BundledHlsMediaChunkExtractor result =
         new DefaultHlsExtractorFactory()
             .createExtractor(
-                /* previousExtractor= */ null,
                 tsUri,
                 webVttFormat,
                 /* muxedCaptionFormats= */ null,
@@ -93,7 +92,6 @@ public class DefaultHlsExtractorFactoryTest {
     BundledHlsMediaChunkExtractor result =
         new DefaultHlsExtractorFactory()
             .createExtractor(
-                /* previousExtractor= */ null,
                 tsUri,
                 webVttFormat,
                 /* muxedCaptionFormats= */ null,
@@ -116,7 +114,6 @@ public class DefaultHlsExtractorFactoryTest {
     BundledHlsMediaChunkExtractor result =
         new DefaultHlsExtractorFactory()
             .createExtractor(
-                /* previousExtractor= */ null,
                 tsUri,
                 webVttFormat,
                 /* muxedCaptionFormats= */ null,
@@ -140,7 +137,6 @@ public class DefaultHlsExtractorFactoryTest {
     BundledHlsMediaChunkExtractor result =
         new DefaultHlsExtractorFactory()
             .createExtractor(
-                /* previousExtractor= */ null,
                 tsUri,
                 webVttFormat,
                 /* muxedCaptionFormats= */ null,
@@ -158,7 +154,6 @@ public class DefaultHlsExtractorFactoryTest {
     BundledHlsMediaChunkExtractor result =
         new DefaultHlsExtractorFactory()
             .createExtractor(
-                /* previousExtractor= */ null,
                 tsUri,
                 webVttFormat,
                 /* muxedCaptionFormats= */ null,