Merge pull request #8215 from TiVo:p-fix-apple-iframe-bug

PiperOrigin-RevId: 345202157

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

@@ -101,4 +101,9 @@ public final class BundledHlsMediaChunkExtractor implements HlsMediaChunkExtract
     return new BundledHlsMediaChunkExtractor(
     return new BundledHlsMediaChunkExtractor(
         newExtractorInstance, masterPlaylistFormat, timestampAdjuster);
         newExtractorInstance, masterPlaylistFormat, timestampAdjuster);
   }
   }
+
+  @Override
+  public void onTruncatedSegmentParsed() {
+    extractor.seek(/* position= */ 0, /* timeUs= */ 0);
+  }
 }
 }

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

@@ -403,6 +403,14 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       }
       }
       try {
       try {
         while (!loadCanceled && extractor.read(input)) {}
         while (!loadCanceled && extractor.read(input)) {}
+      } catch (EOFException e) {
+        if ((trackFormat.roleFlags & C.ROLE_FLAG_TRICK_PLAY) != 0) {
+          // See onTruncatedSegmentParsed's javadoc for more info on why we are swallowing the EOF
+          // exception for trick play tracks.
+          extractor.onTruncatedSegmentParsed();
+        } else {
+          throw e;
+        }
       } finally {
       } finally {
         nextLoadPosition = (int) (input.getPosition() - dataSpec.position);
         nextLoadPosition = (int) (input.getPosition() - dataSpec.position);
       }
       }

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

@@ -59,4 +59,15 @@ public interface HlsMediaChunkExtractor {
    * instances that are not {@link #isReusable() reusable}.
    * instances that are not {@link #isReusable() reusable}.
    */
    */
   HlsMediaChunkExtractor recreate();
   HlsMediaChunkExtractor recreate();
+
+  /**
+   * Resets the sample parsing state.
+   *
+   * <p>Resetting the parsing state allows support for Fragmented MP4 EXT-X-I-FRAME-STREAM-INF
+   * segments. EXT-X-I-FRAME-STREAM-INF segments are truncated to include only a leading key frame.
+   * After parsing said keyframe, an extractor may reach an unexpected end of file. By resetting its
+   * state, we can continue feeding samples from the following segments to the extractor. See <a
+   * href="https://github.com/google/ExoPlayer/issues/7512">#7512</a> for context.
+   */
+  void onTruncatedSegmentParsed();
 }
 }