library/extractor/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java (25 lines):
	- line 148: // TODO: Use isWideAspectRatio in decoding.
	- line 390: // TODO: Add support for this command.
	- line 459: // TODO: Add support for delay commands.
	- line 463: // TODO: Add support for delay commands.
	- line 830: // TODO: There is a lot of overlap between Cea708Decoder.CueInfoBuilder and
	- line 852: // TODO: Add other border/edge types when utilized.
	- line 860: // TODO: Add other sizes when utilized.
	- line 863: // TODO: Add other pen font styles when utilized.
	- line 870: // TODO: Add other pen offsets when utilized.
	- line 1046: // TODO: Add support for column lock and count.
	- line 1090: // TODO: Add support for border color and types.
	- line 1091: // TODO: Add support for word wrap.
	- line 1092: // TODO: Add support for other scroll directions.
	- line 1093: // TODO: Add support for other print directions.
	- line 1105: // TODO: Add support for text tags.
	- line 1106: // TODO: Add support for other offsets.
	- line 1107: // TODO: Add support for other pen sizes.
	- line 1135: // TODO: Add support for edge types.
	- line 1136: // TODO: Add support for other font styles.
	- line 1168: // TODO: Add support for edge color.
	- line 1172: // TODO: Support moving the pen location with a window properly.
	- line 1277: // TODO: Add support for right-to-left languages (i.e. where right would correspond to normal
	- line 1282: // TODO: Add support for full justification.
	- line 1324: // TODO: Add support for right-to-left languages (i.e. where start is on the right).
	- line 1377: // TODO: Add support for the Alternative Minimum Color List or the full 64 RGB combinations.


library/common/src/main/java/com/google/android/exoplayer2/MediaItem.java (8 lines):
	- line 70: // TODO: Change this to ClippingProperties once all the deprecated individual setters are
	- line 73: // TODO: Change this to @Nullable DrmConfiguration once all the deprecated individual setters
	- line 82: // TODO: Change this to LiveConfiguration once all the deprecated individual setters
	- line 503: // TODO: remove this check once all the deprecated individual DRM setters are removed.
	- line 534: // TODO remove @Nullable annotation when the deprecated zero-arg constructor is removed.
	- line 876: // TODO: Mark this final when PlaybackProperties is deleted.
	- line 1230: // TODO: Mark this final when Subtitle is deleted.
	- line 1414: // TODO: Mark this final when ClippingProperties is deleted.


library/extractor/src/main/java/com/google/android/exoplayer2/text/dvb/DvbParser.java (7 lines):
	- line 529: // TODO: Parse and use character_codes.
	- line 979: public final int timeOutSecs; // TODO: Use this or remove it.
	- line 1020: public final int levelOfCompatibility; // TODO: Use this or remove it.
	- line 1068: public final int type; // TODO: Use this or remove it.
	- line 1069: public final int provider; // TODO: Use this or remove it.
	- line 1072: public final int foregroundPixelCode; // TODO: Use this or remove it.
	- line 1073: public final int backgroundPixelCode; // TODO: Use this or remove it.


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsSampleStreamWrapper.java (7 lines):
	- line 613: // TODO: Split into discard (in discardBuffer) and format change (here and in skipData) steps.
	- line 1236: // TODO: Keep sample metadata to allow restoring these chunks [internal b/159904763].
	- line 1245: // TODO: Sparse tracks (e.g. ID3) may prevent discarding in almost all cases because it
	- line 1617: // TODO: Uncomment this to reject samples with unexpected timestamps. See
	- line 1653: // TODO: Uncomment this to reject samples with unexpected timestamps. See
	- line 1733: // TODO: Uncomment this to reject samples with unexpected timestamps. See
	- line 1749: // TODO: Create a Formats util class with common constants like this.


library/core/src/main/java/com/google/android/exoplayer2/source/chunk/ChunkSampleStream.java (6 lines):
	- line 392: // TODO: Support splicing to allow this. See [internal b/161130873].
	- line 408: // TODO: Support splicing to allow this. See [internal b/161130873].
	- line 475: // TODO: Support splicing to keep data from canceled chunk. See [internal b/161130873].
	- line 682: // TODO: Sparse tracks (e.g. ESMG) may prevent discarding in almost all cases because it
	- line 840: // TODO: Support splicing to allow this. See [internal b/161130873].
	- line 868: // TODO: Support splicing to allow this. See [internal b/161130873].


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistParser.java (5 lines):
	- line 448: // TODO: Don't deduplicate variants by URL.
	- line 498: // TODO: Remove this case and add a Rendition with a null uri to videos.
	- line 529: // TODO: Remove muxedAudioFormat and add a Rendition with a null uri to audios.
	- line 569: // TODO: Remove muxedCaptionFormats and add a Rendition with a null uri to closedCaptions.
	- line 1256: // TODO: Replace StringBuffer with StringBuilder once Java 9 is available.


extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastPlayer.java (5 lines):
	- line 129: // TODO: Allow custom implementations of CastTimelineTracker.
	- line 582: // TODO: Support shuffle mode.
	- line 587: // TODO: Support shuffle mode.
	- line 647: // TODO: Fill the cast timeline information with ProgressListener's duration updates.
	- line 950: // TODO: Differentiate TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED and


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java (4 lines):
	- line 664: // TODO: check and fail if more than one content encoding is present.
	- line 1529: // TODO: Deduplicate with Mp4Extractor.
	- line 2024: // TODO: This can be set to the real mimeType if/when we work out what initializationData
	- line 2189: // TODO: Consider reading the name elements of the tracks and, if present, incorporating them


library/extractor/src/main/java/com/google/android/exoplayer2/text/cea/Cea608Decoder.java (4 lines):
	- line 466: // TODO: We're currently ignoring the top 5 marker bits, which should all be 1s according
	- line 586: // TODO: support the extended styles (i.e. backgrounds and transparencies)
	- line 601: // TODO: support the extended address and style
	- line 688: // TODO: implement


extensions/cronet/src/main/java/com/google/android/exoplayer2/ext/cronet/CronetDataSource.java (4 lines):
	- line 79: // TODO: Remove @Nullable annotation when CronetEngineWrapper is deleted.
	- line 83: // TODO: Remove when CronetEngineWrapper is deleted.
	- line 86: // TODO: Remove when CronetEngineWrapper is deleted.
	- line 947: // TODO: Uncomment when https://bugs.chromium.org/p/chromium/issues/detail?id=711810 is fixed


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/DefaultHlsPlaylistTracker.java (3 lines):
	- line 480: // TODO: Improve cross-playlist discontinuity adjustment.
	- line 723: // TODO: Allow customization of playlist resets handling.
	- line 731: // TODO: Allow customization of stuck playlists handling.


library/extractor/src/main/java/com/google/android/exoplayer2/text/ttml/TtmlDecoder.java (3 lines):
	- line 379: // TODO: Should default to top left as below in this case, but need to fix
	- line 425: // TODO: Should default to extent of parent as below in this case, but need to fix
	- line 460: // TODO: Support horizontal RTL modes.


library/core/src/main/java/com/google/android/exoplayer2/video/DecoderVideoRenderer.java (3 lines):
	- line 323: // TODO: This shouldn't just update the output stream offset as long as there are still buffers
	- line 844: // TODO: We shouldn't force render while we are joining an ongoing playback.
	- line 855: // TODO: Treat dropped buffers as skipped while we are joining an ongoing playback.


library/core/src/main/java/com/google/android/exoplayer2/source/mediaparser/OutputConsumerAdapterV30.java (3 lines):
	- line 78: @SuppressLint("Override") // TODO: Remove once the SDK becomes stable.
	- line 394: // TODO: Access pattern encryption info directly once the Android SDK makes it visible.
	- line 454: // TODO: Consider adding support for the following:


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsMasterPlaylist.java (3 lines):
	- line 228: // TODO: Allow stream keys to specify video renditions to be retained.
	- line 232: // TODO: Update to retain all closed captions.
	- line 297: // TODO:


library/extractor/src/main/java/com/google/android/exoplayer2/text/webvtt/WebvttCssParser.java (2 lines):
	- line 224: // TODO: Fill remaining supported styles.
	- line 284: // TODO: Add support for "Strings in quotes with spaces".


testutils/src/main/java/com/google/android/exoplayer2/testutil/CapturingRenderersFactory.java (2 lines):
	- line 284: // TODO: Update this when capturedInteractions contains more than just input buffers.
	- line 315: // TODO: Add other fields


extensions/ima/src/main/java/com/google/android/exoplayer2/ext/ima/AdTagLoader.java (2 lines):
	- line 1032: // TODO: Handle the skipped event so the ad can be marked as skipped rather than played.
	- line 1445: // TODO: Consider moving this into AdPlaybackState.


library/extractor/src/main/java/com/google/android/exoplayer2/audio/Ac3Util.java (2 lines):
	- line 194: // TODO: Read other channel configuration
	- line 539: // TODO: Link to specification if available.


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java (2 lines):
	- line 177: // TODO: When the master playlist does not de-duplicate variants by URL and allows Renditions with
	- line 504: // TODO: Build video stream wrappers here.


library/core/src/main/java/com/google/android/exoplayer2/MediaPeriodQueue.java (2 lines):
	- line 335: // TODO: Merge this into setTimeline so that the queue gets updated as soon as the new timeline
	- line 632: // TODO: This method is called repeatedly from ExoPlayerImplInternal.maybeUpdateLoadingPeriod


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java (2 lines):
	- line 718: // TODO: Support multiple traf boxes per track in a single moof.
	- line 1093: // TODO: Implement this.


library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java (2 lines):
	- line 1088: // TODO: Find int for CodecProfileLevel.AVCLevel1b.
	- line 1274: // TODO (Internal: b/179261323): use framework constants for levels 10 to 13.


library/core/src/main/java/com/google/android/exoplayer2/source/ProgressiveMediaSource.java (2 lines):
	- line 360: // TODO: Split up isDynamic into multiple fields to indicate which values may change. Then
	- line 371: // TODO: Actually prepare the extractors during preparation so that we don't need a


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java (2 lines):
	- line 1103: // TODO: Uncomment when [Internal: b/63092960] is fixed.
	- line 1436: // TODO: Uncomment when [Internal: b/63092960] is fixed.


testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeExoMediaDrm.java (2 lines):
	- line 61: // TODO: Consider replacing this with a Robolectric ShadowMediaDrm so we can use a real
	- line 249: // TODO: Store closed session IDs too?


library/core/src/main/java/com/google/android/exoplayer2/analytics/AnalyticsCollector.java (2 lines):
	- line 565: // TODO: Use Player.Listener.onEvents to know when a set of simultaneous callbacks finished.
	- line 1006: // TODO: Investigate reporting MediaPeriodId in renderer events.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/PsshAtomUtil.java (2 lines):
	- line 153: // TODO: Support parsing of the key ids for version 1 PSSH atoms.
	- line 192: // TODO: Consider exposing this and making parsePsshAtom public.


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/TimestampAdjusterProvider.java (1 line):
	- line 27: // TODO: Prevent this array from growing indefinitely large by removing adjusters that are no


library/common/src/main/java/com/google/android/exoplayer2/util/MimeTypes.java (1 line):
	- line 224: // TODO: Add additional audio MIME types. Also consider evaluating based on Format rather than


library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java (1 line):
	- line 603: // TODO: Remove this hack once we have a proper fix for [Internal: b/71876314].


library/core/src/main/java/com/google/android/exoplayer2/video/MediaCodecVideoRenderer.java (1 line):
	- line 1679: * TODO:


library/core/src/main/java/com/google/android/exoplayer2/video/VideoDecoderGLSurfaceView.java (1 line):
	- line 258: // TODO: Handle streams where chroma channels are not stored at half width and height


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac4Extractor.java (1 line):
	- line 151: // TODO: Make it possible for the reader to consume the dataSource directly, so that it becomes


library/decoder/src/main/java/com/google/android/exoplayer2/decoder/DecoderInputBuffer.java (1 line):
	- line 91: // TODO: Remove this temporary signaling once end-of-stream propagation for clips using content


library/core/src/main/java/com/google/android/exoplayer2/audio/AudioTimestampPoller.java (1 line):
	- line 148: // TODO: Ideally we should listen for audio route changes in order to detect when a


extensions/ima/src/main/java/com/google/android/exoplayer2/ext/ima/ImaUtil.java (1 line):
	- line 206: // TODO: Find out what other errors need to be handled (if any), and whether each one relates to


extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastUtils.java (1 line):
	- line 30: // TODO: Remove once [Internal ref: b/171657375] is fixed.


library/core/src/main/java/com/google/android/exoplayer2/source/mediaparser/InputReaderAdapterV30.java (1 line):
	- line 29: @SuppressLint("Override") // TODO: Remove once the SDK becomes stable.


robolectricutils/src/main/java/com/google/android/exoplayer2/robolectric/PlaybackOutput.java (1 line):
	- line 63: // TODO: Consider passing playback position into MetadataOutput and TextOutput. Calling


library/core/src/main/java/com/google/android/exoplayer2/source/MediaParserExtractorAdapter.java (1 line):
	- line 56: // TODO: Add support for injecting the desired extractor list.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/AdtsExtractor.java (1 line):
	- line 235: // TODO: Make it possible for reader to consume the dataSource directly, so that it becomes


library/datasource/src/main/java/com/google/android/exoplayer2/upstream/DataSpec.java (1 line):
	- line 641: // TODO: Replace this assertion with a stricter one checking "uriPositionOffset >= 0", after


library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java (1 line):
	- line 2083: // TODO: Add an API check once [Internal ref: b/128835874] is fixed.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flac/FlacExtractor.java (1 line):
	- line 386: // TODO: Remove (and update above comments) once [Internal ref: b/147657250] is fixed.


extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastTimelineTracker.java (1 line):
	- line 59: // TODO: Reset state when the app instance changes [Internal ref: b/129672468].


library/extractor/src/main/java/com/google/android/exoplayer2/text/SubtitleExtractor.java (1 line):
	- line 108: // TODO: Implement sniff() according to the Extractor interface documentation. For now sniff()


testutils/src/main/java/com/google/android/exoplayer2/testutil/DataSourceContractTest.java (1 line):
	- line 333: // TODO: Decide what the allowed behavior should be for the next read, and assert it.


library/core/src/main/java/com/google/android/exoplayer2/video/spherical/FrameRotationQueue.java (1 line):
	- line 73: // TODO [Internal: b/113315546]: Slerp between the floor and ceil rotation.


library/core/src/main/java/com/google/android/exoplayer2/video/spherical/SphericalGLSurfaceView.java (1 line):
	- line 73: // TODO Calculate this depending on surface size and field of view.


library/extractor/src/main/java/com/google/android/exoplayer2/audio/Ac4Util.java (1 line):
	- line 61: // TODO: Parse AC-4 stream channel count.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/Ac3Extractor.java (1 line):
	- line 141: // TODO: Make it possible for the reader to consume the dataSource directly, so that it becomes


library/extractor/src/main/java/com/google/android/exoplayer2/text/ttml/TtmlRenderUtil.java (1 line):
	- line 201: // TODO: Add support for this when RubySpan supports parenthetical text. For now, just


testutils/src/main/java/com/google/android/exoplayer2/testutil/MediaSourceTestRunner.java (1 line):
	- line 120: // TODO: This only catches errors that are set synchronously in prepareSource. To


library/core/src/main/java/com/google/android/exoplayer2/source/ConcatenatingMediaSource.java (1 line):
	- line 823: // TODO: Replace window index with uid in reporting to get rid of this inefficient method and


library/database/src/main/java/com/google/android/exoplayer2/database/StandaloneDatabaseProvider.java (1 line):
	- line 33: // TODO: Make this class final when ExoDatabaseProvider is removed.


library/core/src/main/java/com/google/android/exoplayer2/drm/FrameworkMediaDrm.java (1 line):
	- line 396: // TODO: Add API level check once [Internal ref: b/112142048] is fixed.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java (1 line):
	- line 106: // TODO: Deduplicate with Mp4Extractor.


extensions/vp9/src/main/jni/vpx_jni.cc (1 line):
	- line 590: // TODO: This copy can be eliminated by using external frame


library/common/src/main/java/com/google/android/exoplayer2/Timeline.java (1 line):
	- line 204: // TODO: Split this to better describe which parts of the window might change. For example it


library/extractor/src/main/java/com/google/android/exoplayer2/text/ssa/SsaDecoder.java (1 line):
	- line 379: // TODO: Read the MarginL, MarginR and MarginV values from the Style & Dialogue lines.


library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaSource.java (1 line):
	- line 982: // TODO: This is a temporary hack to avoid constantly refreshing the MPD in cases where


library/common/src/main/java/com/google/android/exoplayer2/text/span/RubySpan.java (1 line):
	- line 31: // TODO: Consider adding support for parenthetical text to be used when rendering doesn't support


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H265Reader.java (1 line):
	- line 118: // TODO (Internal b/32267012): Consider using random access indicator.


library/core/src/main/java/com/google/android/exoplayer2/video/VideoRendererEventListener.java (1 line):
	- line 232: // TODO: Replace this timestamp with the actual frame release time.


robolectricutils/src/main/java/com/google/android/exoplayer2/robolectric/ShadowMediaCodecConfig.java (1 line):
	- line 123: // TODO: Update ShadowMediaCodec to consider the MediaFormat.KEY_MAX_INPUT_SIZE value passed


library/transformer/src/main/java/com/google/android/exoplayer2/transformer/TransformerAudioRenderer.java (1 line):
	- line 400: // TODO (internal b/184262323): Assign an adequate error code.


library/common/src/main/java/com/google/android/exoplayer2/util/Util.java (1 line):
	- line 2438: // TODO (internal b/192337376): Change 0 for ERROR_UNKNOWN once available.


library/hls/src/main/java/com/google/android/exoplayer2/source/hls/MediaParserHlsMediaChunkExtractor.java (1 line):
	- line 92: // TODO: Factor out code for optimizing the sniffing order across both factories.


library/datasource/src/main/java/com/google/android/exoplayer2/upstream/TeeDataSource.java (1 line):
	- line 72: // TODO: Consider continuing even if writes to the sink fail.


library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java (1 line):
	- line 652: // TODO: Investigate adding support for seeking during ads. This is complicated to do in


library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java (1 line):
	- line 985: // TODO: Each renderer should return the maximum delay before which it wishes to be called


library/core/src/main/java/com/google/android/exoplayer2/source/SampleQueue.java (1 line):
	- line 286: // TODO: Avoid throwing if the DRM error is not preventing a read operation.


library/core/src/main/java/com/google/android/exoplayer2/audio/DecoderAudioRenderer.java (1 line):
	- line 723: // TODO: Remove this hack once we have a proper fix for [Internal: b/71876314].


library/extractor/src/main/java/com/google/android/exoplayer2/audio/AacUtil.java (1 line):
	- line 350: throw new UnsupportedOperationException(); // TODO: Implement programConfigElement();


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp3/XingSeeker.java (1 line):
	- line 73: // TODO: Handle encoder delay and padding in 3 bytes offset by xingBase + 213 bytes:


library/core/src/main/java/com/google/android/exoplayer2/source/chunk/BundledChunkExtractor.java (1 line):
	- line 165: // TODO: Manifest formats for embedded tracks should also be passed here.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H263Reader.java (1 line):
	- line 127: // TODO (Internal b/32267012): Consider using random access indicator.


library/core/src/main/java/com/google/android/exoplayer2/source/SequenceableLoader.java (1 line):
	- line 20: // TODO: Clarify the requirements for implementing this interface [Internal ref: b/36250203].


extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/SessionCallbackBuilder.java (1 line):
	- line 320: // TODO: Replace with ControllerInfo#isTrusted() when it's unhidden [Internal: b/142835448].


extensions/ffmpeg/src/main/jni/ffmpeg_jni.cc (1 line):
	- line 188: // TODO: Figure out why flushing doesn't work for this codec.


library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H262Reader.java (1 line):
	- line 119: // TODO (Internal b/32267012): Consider using random access indicator.


library/datasource/src/main/java/com/google/android/exoplayer2/upstream/DataSchemeDataSource.java (1 line):
	- line 68: // TODO: Add support for other charsets.