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Release notes

1.0.0-rc02 (2023-03-02)

This release corresponds to the ExoPlayer 2.18.4 release.

  • Core library:
    • Fix network type detection on API 33 (#10970).
    • Fix NullPointerException when calling ExoPlayer.isTunnelingEnabled (#10977).
  • Downloads:
    • Make the maximum difference of the start time of two segments to be merged configurable in SegmentDownloader and subclasses (#248).
  • Audio:
    • Fix broken gapless MP3 playback on Samsung devices (#8594).
    • Fix bug where playback speeds set immediately after disabling audio may be overridden by a previous speed change (#10882).
  • Video:
    • Map HEVC HDR10 format to HEVCProfileMain10HDR10 instead of HEVCProfileMain10.
    • Add workaround for a device issue on Chromecast with Google TV and Lenovo M10 FHD Plus that causes 60fps AVC streams to be marked as unsupported (#10898).
    • Fix frame release performance issues when playing media with a frame rate far higher than the screen refresh rate.
  • Cast:
    • Fix transient STATE_IDLE when transitioning between media items (#245).
  • RTSP:
    • Catch the IllegalArgumentException thrown in parsing of invalid RTSP Describe response messages (#10971).
  • Session:
    • Fix a bug where notification play/pause button doesn't update with player state (#192).
  • IMA extension:
    • Fix a bug which prevented DAI streams without any ads from starting because the first (and in the case without ads the only) LOADED event wasn't received.

1.0.0-rc01 (2023-02-16)

This release corresponds to the ExoPlayer 2.18.3 release.

  • Core library:
    • Tweak the renderer's decoder ordering logic to uphold the MediaCodecSelector's preferences, even if a decoder reports it may not be able to play the media performantly. For example with default selector, hardware decoder with only functional support will be preferred over software decoder that fully supports the format (#10604).
    • Add ExoPlayer.Builder.setPlaybackLooper that sets a pre-existing playback thread for a new ExoPlayer instance.
    • Allow download manager helpers to be cleared (#10776).
    • Add parameter to BasePlayer.seekTo to also indicate the command used for seeking.
    • Use theme when loading drawables on API 21+ (#220).
    • Add ConcatenatingMediaSource2 that allows combining multiple media items into a single window (#247).
  • Extractors:
    • Throw a ParserException instead of a NullPointerException if the sample table (stbl) is missing a required sample description (stsd) when parsing trak atoms.
    • Correctly skip samples when seeking directly to a sync frame in fMP4 (#10941).
  • Audio:
    • Use the compressed audio format bitrate to calculate the min buffer size for AudioTrack in direct playbacks (passthrough).
  • Text:
    • Fix TextRenderer passing an invalid (negative) index to Subtitle.getEventTime if a subtitle file contains no cues.
    • SubRip: Add support for UTF-16 files if they start with a byte order mark.
  • Metadata:
    • Parse multiple null-separated values from ID3 frames, as permitted by ID3 v2.4.
    • Add MediaMetadata.mediaType to denote the type of content or the type of folder described by the metadata.
    • Add MediaMetadata.isBrowsable as a replacement for MediaMetadata.folderType. The folder type will be deprecated in the next release.
  • DASH:
    • Add full parsing for image adaptation sets, including tile counts (#3752).
  • UI:
    • Fix the deprecated PlayerView.setControllerVisibilityListener(PlayerControlView.VisibilityListener) to ensure visibility changes are passed to the registered listener (#229).
    • Fix the ordering of the center player controls in PlayerView when using a right-to-left (RTL) layout (#227).
  • Session:
    • Add abstract SimpleBasePlayer to help implement the Player interface for custom players.
    • Add helper method to convert platform session token to Media3 SessionToken (#171).
    • Use onMediaMetadataChanged to trigger updates of the platform media session (#219).
    • Add the media session as an argument of getMediaButtons() of the DefaultMediaNotificationProvider and use immutable lists for clarity (#216).
    • Add onSetMediaItems callback listener to provide means to modify/set MediaItem list, starting index and position by session before setting onto Player (#156).
    • Avoid double tap detection for non-Bluetooth media button events (#233).
    • Make QueueTimeline more robust in case of a shady legacy session state (#241).
  • Cast extension:
    • Bump Cast SDK version to 21.2.0.
  • IMA extension:
    • Map PLAYER_STATE_LOADING to STATE_BUFFERING (#245.
  • IMA extension
    • Remove player listener of the ImaServerSideAdInsertionMediaSource on the application thread to avoid threading issues.
    • Add a property focusSkipButtonWhenAvailable to the ImaServerSideAdInsertionMediaSource.AdsLoader.Builder to request focusing the skip button on TV devices and set it to true by default.
    • Add a method focusSkipButton() to the ImaServerSideAdInsertionMediaSource.AdsLoader to programmatically request to focus the skip button.
    • Fix a bug which prevented playback from starting for a DAI stream without any ads.
    • Bump IMA SDK version to 3.29.0.
  • Demo app:
    • Request notification permission for download notifications at runtime (#10884).

1.0.0-beta03 (2022-11-22)

This release corresponds to the ExoPlayer 2.18.2 release.

  • Core library:
    • Add ExoPlayer.isTunnelingEnabled to check if tunneling is enabled for the currently selected tracks (#2518).
    • Add WrappingMediaSource to simplify wrapping a single MediaSource (#7279).
    • Discard back buffer before playback gets stuck due to insufficient available memory.
    • Close the Tracing "doSomeWork" block when offload is enabled.
    • Fix session tracking problem with fast seeks in PlaybackStatsListener (#180).
    • Send missing onMediaItemTransition callback when calling seekToNext or seekToPrevious in a single-item playlist (#10667).
    • Add Player.getSurfaceSize that returns the size of the surface on which the video is rendered.
    • Fix bug where removing listeners during the player release can cause an IllegalStateException (#10758).
  • Build:
    • Enforce minimum compileSdkVersion to avoid compilation errors (#10684).
    • Avoid publishing block when included in another gradle build.
  • Track selection:
    • Prefer other tracks to Dolby Vision if display does not support it. (#8944).
  • Downloads:
    • Fix potential infinite loop in ProgressiveDownloader caused by simultaneous download and playback with the same PriorityTaskManager (#10570).
    • Make download notification appear immediately (#183).
    • Limit parallel download removals to 1 to avoid excessive thread creation (#10458).
  • Video:
    • Try alternative decoder for Dolby Vision if display does not support it. (#9794).
  • Audio:
    • Use SingleThreadExecutor for releasing AudioTrack instances to avoid OutOfMemory errors when releasing multiple players at the same time (#10057).
    • Adds AudioOffloadListener.onExperimentalOffloadedPlayback for the AudioTrack offload state. (#134).
    • Make AudioTrackBufferSizeProvider a public interface.
    • Add ExoPlayer.setPreferredAudioDevice to set the preferred audio output device (#135).
    • Rename androidx.media3.exoplayer.audio.AudioProcessor to androidx.media3.common.audio.AudioProcessor.
    • Map 8-channel and 12-channel audio to the 7.1 and 7.1.4 channel masks respectively on all Android versions (#10701).
  • Metadata:
    • MetadataRenderer can now be configured to render metadata as soon as they are available. Create an instance with MetadataRenderer(MetadataOutput, Looper, MetadataDecoderFactory, boolean) to specify whether the renderer will output metadata early or in sync with the player position.
  • DRM:
    • Work around a bug in the Android 13 ClearKey implementation that returns a non-empty but invalid license URL.
    • Fix setMediaDrmSession failed: session not opened error when switching between DRM schemes in a playlist (e.g. Widevine to ClearKey).
  • Text:
    • CEA-608: Ensure service switch commands on field 2 are handled correctly (#10666).
  • DASH:
    • Parse EventStream.presentationTimeOffset from manifests (#10460).
  • UI:
    • Use current overrides of the player as preset in TrackSelectionDialogBuilder (#10429).
  • Session:
    • Ensure commands are always executed in the correct order even if some require asynchronous resolution (#85).
    • Add DefaultMediaNotificationProvider.Builder to build DefaultMediaNotificationProvider instances. The builder can configure the notification ID, the notification channel ID and the notification channel name used by the provider. Also, add method DefaultMediaNotificationProvider.setSmallIcon(int) to set the notifications small icon. (#104).
    • Ensure commands sent before MediaController.release() are not dropped (#99).
    • SimpleBitmapLoader can load bitmap from file:// URIs (#108).
    • Fix assertion that prevents MediaController to seek over an ad in a period (#122).
    • When playback ends, the MediaSessionService is stopped from the foreground and a notification is shown to restart playback of the last played media item (#112).
    • Don't start a foreground service with a pending intent for pause (#167).
    • Manually hide the 'badge' associated with the notification created by DefaultNotificationProvider on API 26 and API 27 (the badge is automatically hidden on API 28+) (#131).
    • Fix bug where a second binder connection from a legacy MediaSession to a Media3 MediaController causes IllegalStateExceptions (#49).
  • RTSP:
    • Add H263 fragmented packet handling (#119).
    • Add support for MP4A-LATM (#162).
  • IMA:
    • Add timeout for loading ad information to handle cases where the IMA SDK gets stuck loading an ad (#10510).
    • Prevent skipping mid-roll ads when seeking to the end of the content (#10685).
    • Correctly calculate window duration for live streams with server-side inserted ads, for example IMA DAI (#10764).
  • FFmpeg extension:
    • Add newly required flags to link FFmpeg libraries with NDK 23.1.7779620 and above (#9933).
  • AV1 extension:
    • Update CMake version to avoid incompatibilities with the latest Android Studio releases (#9933).
  • Cast extension:
    • Implement getDeviceInfo() to be able to identify CastPlayer when controlling playback with a MediaController (#142).
  • Transformer:
    • Add muxer watchdog timer to detect when generating an output sample is too slow.
  • Remove deprecated symbols:
    • Remove Transformer.Builder.setOutputMimeType(String). This feature has been removed. The MIME type will always be MP4 when the default muxer is used.

1.0.0-beta02 (2022-07-21)

This release corresponds to the ExoPlayer 2.18.1 release.

  • Core library:
    • Ensure that changing the ShuffleOrder with ExoPlayer.setShuffleOrder results in a call to Player.Listener#onTimelineChanged with reason=Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED (#9889).
    • For progressive media, only include selected tracks in buffered position (#10361).
    • Allow custom logger for all ExoPlayer log output (#9752).
    • Fix implementation of setDataSourceFactory in DefaultMediaSourceFactory, which was non-functional in some cases (#116).
  • Extractors:
    • Fix parsing of H265 short term reference picture sets (#10316).
    • Fix parsing of bitrates from esds boxes (#10381).
  • DASH:
    • Parse ClearKey license URL from manifests (#10246).
  • UI:
    • Ensure TalkBack announces the currently active speed option in the playback controls menu (#10298).
  • RTSP:
    • Add VP8 fragmented packet handling (#110).
    • Support frames/fragments in VP9 (#115).
  • Leanback extension:
    • Listen to playWhenReady changes in LeanbackAdapter (10420).
  • Cast:
    • Use the MediaItem that has been passed to the playlist methods as Window.mediaItem in CastTimeline (#25, #8212).
    • Support Player.getMetadata() and Listener.onMediaMetadataChanged() with CastPlayer (#25).

1.0.0-beta01 (2022-06-16)

This release corresponds to the ExoPlayer 2.18.0 release.

  • Core library:
    • Enable support for Android platform diagnostics via MediaMetricsManager. ExoPlayer will forward playback events and performance data to the platform, which helps to provide system performance and debugging information on the device. This data may also be collected by Google if sharing usage and diagnostics data is enabled by the user of the device. Apps can opt-out of contributing to platform diagnostics for ExoPlayer with ExoPlayer.Builder.setUsePlatformDiagnostics(false).
    • Fix bug that tracks are reset too often when using MergingMediaSource, for example when side-loading subtitles and changing the selected subtitle mid-playback (#10248).
    • Stop detecting 5G-NSA network type on API 29 and 30. These playbacks will assume a 4G network.
    • Disallow passing null to MediaSource.Factory.setDrmSessionManagerProvider and MediaSource.Factory.setLoadErrorHandlingPolicy. Instances of DefaultDrmSessionManagerProvider and DefaultLoadErrorHandlingPolicy can be passed explicitly if required.
    • Add MediaItem.RequestMetadata to represent metadata needed to play media when the exact LocalConfiguration is not known. Also remove MediaMetadata.mediaUrl as this is now included in RequestMetadata.
    • Add Player.Command.COMMAND_SET_MEDIA_ITEM to enable players to allow setting a single item.
  • Track selection:
    • Flatten TrackSelectionOverrides class into TrackSelectionParameters, and promote TrackSelectionOverride to a top level class.
    • Rename TracksInfo to Tracks and TracksInfo.TrackGroupInfo to Tracks.Group. Player.getCurrentTracksInfo and Player.Listener.onTracksInfoChanged have also been renamed to Player.getCurrentTracks and Player.Listener.onTracksChanged. This includes 'un-deprecating' the Player.Listener.onTracksChanged method name, but with different parameter types.
    • Change DefaultTrackSelector.buildUponParameters and DefaultTrackSelector.Parameters.buildUpon to return DefaultTrackSelector.Parameters.Builder instead of the deprecated DefaultTrackSelector.ParametersBuilder.
    • Add DefaultTrackSelector.Parameters.constrainAudioChannelCountToDeviceCapabilities which is enabled by default. When enabled, the DefaultTrackSelector will prefer audio tracks whose channel count does not exceed the device output capabilities. On handheld devices, the DefaultTrackSelector will prefer stereo/mono over multichannel audio formats, unless the multichannel format can be Spatialized (Android 12L+) or is a Dolby surround sound format. In addition, on devices that support audio spatialization, the DefaultTrackSelector will monitor for changes in the Spatializer properties and trigger a new track selection upon these. Devices with a television UI mode are excluded from these constraints and the format with the highest channel count will be preferred. To enable this feature, the DefaultTrackSelector instance must be constructed with a Context.
  • Video:
    • Rename DummySurface to PlaceholderSurface.
    • Add AV1 support to the MediaCodecVideoRenderer.getCodecMaxInputSize.
  • Audio:
    • Use LG AC3 audio decoder advertising non-standard MIME type.
    • Change the return type of AudioAttributes.getAudioAttributesV21() from android.media.AudioAttributes to a new AudioAttributesV21 wrapper class, to prevent slow ART verification on API < 21.
    • Query the platform (API 29+) or assume the audio encoding channel count for audio passthrough when the format audio channel count is unset, which occurs with HLS chunkless preparation (#10204).
    • Configure AudioTrack with channel mask AudioFormat.CHANNEL_OUT_7POINT1POINT4 if the decoder outputs 12 channel PCM audio (#10322).
  • DRM
    • Ensure the DRM session is always correctly updated when seeking immediately after a format change (#10274).
  • Text:
    • Change Player.getCurrentCues() to return CueGroup instead of List<Cue>.
    • SSA: Support OutlineColour style setting when BorderStyle == 3 (i.e. OutlineColour sets the background of the cue) (#8435).
    • CEA-708: Parse data into multiple service blocks and ignore blocks not associated with the currently selected service number.
    • Remove RawCcExtractor, which was only used to handle a Google-internal subtitle format.
  • Extractors:
    • Add support for AVI (#2092).
    • Matroska: Parse DiscardPadding for Opus tracks.
    • MP4: Parse bitrates from esds boxes.
    • Ogg: Allow duplicate Opus ID and comment headers (#10038).
  • UI:
    • Fix delivery of events to OnClickListeners set on PlayerView, in the case that useController=false (#9605). Also fix delivery of events to OnLongClickListener for all view configurations.
    • Fix incorrectly treating a sequence of touch events that exit the bounds of PlayerView before ACTION_UP as a click (#9861).
    • Fix PlayerView accessibility issue where tapping might toggle playback rather than hiding the controls (#8627).
    • Rewrite TrackSelectionView and TrackSelectionDialogBuilder to work with the Player interface rather than ExoPlayer. This allows the views to be used with other Player implementations, and removes the dependency from the UI module to the ExoPlayer module. This is a breaking change.
    • Don't show forced text tracks in the PlayerView track selector, and keep a suitable forced text track selected if "None" is selected (#9432).
  • DASH:
    • Parse channel count from DTS AudioChannelConfiguration elements. This re-enables audio passthrough for DTS streams (#10159).
    • Disallow passing null to DashMediaSource.Factory.setCompositeSequenceableLoaderFactory. Instances of DefaultCompositeSequenceableLoaderFactory can be passed explicitly if required.
  • HLS:
    • Fallback to chunkful preparation if the playlist CODECS attribute does not contain the audio codec (#10065).
    • Disallow passing null to HlsMediaSource.Factory.setCompositeSequenceableLoaderFactory, HlsMediaSource.Factory.setPlaylistParserFactory, and HlsMediaSource.Factory.setPlaylistTrackerFactory. Instances of DefaultCompositeSequenceableLoaderFactory, DefaultHlsPlaylistParserFactory, or a reference to DefaultHlsPlaylistTracker.FACTORY can be passed explicitly if required.
  • Smooth Streaming:
    • Disallow passing null to SsMediaSource.Factory.setCompositeSequenceableLoaderFactory. Instances of DefaultCompositeSequenceableLoaderFactory can be passed explicitly if required.
  • RTSP:
    • Add RTP reader for H263 (#63).
    • Add RTP reader for MPEG4 (#35).
    • Add RTP reader for HEVC (#36).
    • Add RTP reader for AMR. Currently only mono-channel, non-interleaved AMR streams are supported. Compound AMR RTP payload is not supported. (#46)
    • Add RTP reader for VP8 (#47).
    • Add RTP reader for WAV (#56).
    • Fix RTSP basic authorization header. (#9544).
    • Stop checking mandatory SDP fields as ExoPlayer doesn't need them (#10049).
    • Throw checked exception when parsing RTSP timing (#10165).
    • Add RTP reader for VP9 (#47).
    • Add RTP reader for OPUS (#53).
  • Session:
    • Replace MediaSession.MediaItemFiller with MediaSession.Callback.onAddMediaItems to allow asynchronous resolution of requests.
    • Support setMediaItems(s) methods when MediaController connects to a legacy media session.
    • Remove MediaController.setMediaUri and MediaSession.Callback.onSetMediaUri. The same functionality can be achieved by using MediaController.setMediaItem and MediaSession.Callback.onAddMediaItems.
    • Forward legacy MediaController calls to play media to MediaSession.Callback.onAddMediaItems instead of onSetMediaUri.
    • Add MediaNotification.Provider and DefaultMediaNotificationProvider to provide customization of the notification.
    • Add BitmapLoader and SimpleBitmapLoader for downloading artwork images.
    • Add MediaSession.setCustomLayout() to provide backwards compatibility with the legacy session.
    • Add MediaSession.setSessionExtras() to provide feature parity with legacy session.
    • Rename MediaSession.MediaSessionCallback to MediaSession.Callback, MediaLibrarySession.MediaLibrarySessionCallback to MediaLibrarySession.Callback and MediaSession.Builder.setSessionCallback to setCallback.
    • Fix NPE in MediaControllerImplLegacy (#59).
    • Update session position info on timeline change(#51).
    • Fix NPE in MediaControllerImplBase after releasing controller (#74).
    • Fix IndexOutOfBoundsException when setting less media items than in the current playlist (#86).
  • Ad playback / IMA:
    • Decrease ad polling rate from every 100ms to every 200ms, to line up with Media Rating Council (MRC) recommendations.
  • FFmpeg extension:
    • Update CMake version to 3.21.0+ to avoid a CMake bug causing AndroidStudio's gradle sync to fail (#9933).
  • Remove deprecated symbols:
    • Remove Player.Listener.onTracksChanged(TrackGroupArray, TrackSelectionArray). Use Player.Listener.onTracksChanged(Tracks) instead.
    • Remove Player.getCurrentTrackGroups and Player.getCurrentTrackSelections. Use Player.getCurrentTracks instead. You can also continue to use ExoPlayer.getCurrentTrackGroups and ExoPlayer.getCurrentTrackSelections, although these methods remain deprecated.
    • Remove DownloadHelper DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_VIEWPORT and DEFAULT_TRACK_SELECTOR_PARAMETERS constants. Use getDefaultTrackSelectorParameters(Context) instead when possible, and DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT otherwise.
    • Remove constructor DefaultTrackSelector(ExoTrackSelection.Factory). Use DefaultTrackSelector(Context, ExoTrackSelection.Factory) instead.
    • Remove Transformer.Builder.setContext. The Context should be passed to the Transformer.Builder constructor instead.

1.0.0-alpha03 (2022-03-14)

This release corresponds to the ExoPlayer 2.17.1 release.

  • Audio:
    • Fix error checking audio capabilities for Dolby Atmos (E-AC3-JOC) in HLS.
  • Extractors:
    • FMP4: Fix issue where emsg sample metadata could be output in the wrong order for streams containing both v0 and v1 emsg atoms (#9996).
  • Text:
    • Fix the interaction of SingleSampleMediaSource.Factory.setTrackId and MediaItem.SubtitleConfiguration.Builder.setId to prioritise the SubtitleConfiguration field and fall back to the Factory value if it's not set (#10016).
  • Ad playback:
    • Fix audio underruns between ad periods in live HLS SSAI streams.

1.0.0-alpha02 (2022-03-02)

This release corresponds to the ExoPlayer 2.17.0 release.

  • Core Library:
    • Add protected method DefaultRenderersFactory.getCodecAdapterFactory() so that subclasses of DefaultRenderersFactory that override buildVideoRenderers() or buildAudioRenderers() can access the codec adapter factory and pass it to MediaCodecRenderer instances they create.
    • Propagate ICY header fields name and genre to MediaMetadata.station and MediaMetadata.genre respectively so that they reach the app via Player.Listener.onMediaMetadataChanged() (#9677).
    • Remove null keys from DefaultHttpDataSource#getResponseHeaders.
    • Sleep and retry when creating a MediaCodec instance fails. This works around an issue that occurs on some devices when switching a surface from a secure codec to another codec (#8696).
    • Add MediaCodecAdapter.getMetrics() to allow users obtain metrics data from MediaCodec (#9766).
    • Fix Maven dependency resolution (#8353).
    • Disable automatic speed adjustment for live streams that neither have low-latency features nor a user request setting the speed (#9329).
    • Rename DecoderCounters#inputBufferCount to queuedInputBufferCount.
    • Make SimpleExoPlayer.renderers private. Renderers can be accessed via ExoPlayer.getRenderer.
    • Updated some AnalyticsListener.EventFlags constant values to match values in Player.EventFlags.
    • Split AnalyticsCollector into an interface and default implementation to allow it to be stripped by R8 if an app doesn't need it.
  • Track selection:
    • Support preferred video role flags in track selection (#9402).
    • Update video track selection logic to take preferred MIME types and role flags into account when selecting multiple video tracks for adaptation (#9519).
    • Update video and audio track selection logic to only choose formats for adaptive selections that have the same level of decoder and hardware support (#9565).
    • Update video track selection logic to prefer more efficient codecs if multiple codecs are supported by primary, hardware-accelerated decoders (#4835).
    • Prefer audio content preferences (for example, the "default" audio track or a track matching the system locale language) over technical track selection constraints (for example, preferred MIME type, or maximum channel count).
    • Fix track selection issue where overriding one track group did not disable other track groups of the same type (#9675).
    • Fix track selection issue where a mixture of non-empty and empty track overrides is not applied correctly (#9649).
    • Prohibit duplicate TrackGroups in a TrackGroupArray. TrackGroups can always be made distinguishable by setting an id in the TrackGroup constructor. This fixes a crash when resuming playback after backgrounding the app with an active track override (#9718).
    • Amend logic in AdaptiveTrackSelection to allow a quality increase under sufficient network bandwidth even if playback is very close to the live edge (#9784).
  • Video:
    • Fix decoder fallback logic for Dolby Vision to use a compatible H264/H265 decoder if needed.
  • Audio:
    • Fix decoder fallback logic for Dolby Atmos (E-AC3-JOC) to use a compatible E-AC3 decoder if needed.
    • Change AudioCapabilities APIs to require passing explicitly AudioCapabilities.DEFAULT_AUDIO_CAPABILITIES instead of null.
    • Allow customization of the AudioTrack buffer size calculation by injecting an AudioTrackBufferSizeProvider to DefaultAudioSink (#8891).
    • Retry AudioTrack creation if the requested buffer size was > 1MB (#9712).
  • Extractors:
    • WAV: Add support for RF64 streams (#9543).
    • Fix incorrect parsing of H.265 SPS NAL units (#9719).
    • Parse Vorbis Comments (including METADATA_BLOCK_PICTURE) in Ogg Opus and Ogg Vorbis files.
  • Text:
    • Add a MediaItem.SubtitleConfiguration.id field which is propagated to the Format.id field of the subtitle track created from the configuration (#9673).
    • Add basic support for WebVTT subtitles in Matroska containers (#9886).
    • Prevent Cea708Decoder from reading more than the declared size of a service block.
  • DRM:
    • Remove playbackLooper from DrmSessionManager.(pre)acquireSession. When a DrmSessionManager is used by an app in a custom MediaSource, the playbackLooper needs to be passed to DrmSessionManager.setPlayer instead.
  • Ad playback / IMA:
    • Add support for IMA Dynamic Ad Insertion (DAI) (#8213).
    • Add a method to AdPlaybackState to allow resetting an ad group so that it can be played again (#9615).
    • Enforce playback speed of 1.0 during ad playback (#9018).
    • Fix issue where an ad group that failed to load caused an immediate playback reset (#9929).
  • UI:
    • Fix the color of the numbers in StyledPlayerView rewind and fastforward buttons when using certain themes (#9765).
    • Correctly translate playback speed strings (#9811).
  • DASH:
    • Add parsed essential and supplemental properties to the Representation (#9579).
    • Support the forced-subtitle track role (#9727).
    • Stop interpreting the main track role as C.SELECTION_FLAG_DEFAULT.
    • Fix base URL exclusion logic for manifests that do not declare the DVB namespace (#9856).
    • Support relative MPD.Location URLs (#9939).
  • HLS:
    • Correctly populate Format.label for audio only HLS streams (#9608).
    • Use chunkless preparation by default to improve start up time. If your renditions contain muxed closed-caption tracks that are not declared in the master playlist, you should add them to the master playlist to be available for playback, or turn off chunkless preparation with HlsMediaSource.Factory.setAllowChunklessPreparation(false).
    • Support key-frame accurate seeking in HLS (#2882).
  • RTSP:
    • Provide a client API to override the SocketFactory used for any server connection (#9606).
    • Prefer DIGEST authentication method over BASIC if both are present (#9800).
    • Handle when RTSP track timing is not available (#9775).
    • Ignore invalid RTP-Info header values (#9619).
  • Transformer:
    • Increase required min API version to 21.
    • TransformationException is now used to describe errors that occur during a transformation.
    • Add TransformationRequest for specifying the transformation options.
    • Allow multiple listeners to be registered.
    • Fix Transformer being stuck when the codec output is partially read.
    • Fix potential NPE in Transformer.getProgress when releasing the muxer throws.
    • Add a demo app for applying transformations.
  • MediaSession extension:
    • By default, MediaSessionConnector now clears the playlist on stop. Apps that want the playlist to be retained can call setClearMediaItemsOnStop(false) on the connector.
  • Cast extension:
    • Fix bug that prevented CastPlayer from calling onIsPlayingChanged correctly (#9792).
    • Support audio metadata including artwork with DefaultMediaItemConverter (#9663).
  • FFmpeg extension:
    • Make build_ffmpeg.sh depend on LLVM's bin utils instead of GNU's (#9933).
  • Android 12 compatibility:
    • Upgrade the Cast extension to depend on com.google.android.gms:play-services-cast-framework:20.1.0. Earlier versions of play-services-cast-framework are not compatible with apps targeting Android 12, and will crash with an IllegalArgumentException when creating PendingIntents (#9528).
  • Remove deprecated symbols:
    • Remove Player.EventListener. Use Player.Listener instead.
    • Remove MediaSourceFactory.setDrmSessionManager, MediaSourceFactory.setDrmHttpDataSourceFactory, and MediaSourceFactory.setDrmUserAgent. Use MediaSourceFactory.setDrmSessionManagerProvider instead.
    • Remove MediaSourceFactory.setStreamKeys. Use MediaItem.Builder.setStreamKeys instead.
    • Remove MediaSourceFactory.createMediaSource(Uri). Use MediaSourceFactory.createMediaSource(MediaItem) instead.
    • Remove setTag from DashMediaSource, HlsMediaSource and SsMediaSource. Use MediaItem.Builder.setTag instead.
    • Remove DashMediaSource.setLivePresentationDelayMs(long, boolean). Use MediaItem.Builder.setLiveConfiguration and MediaItem.LiveConfiguration.Builder.setTargetOffsetMs to override the manifest, or DashMediaSource.setFallbackTargetLiveOffsetMs to provide a fallback value.
    • Remove (Simple)ExoPlayer.setThrowsWhenUsingWrongThread. Opting out of the thread enforcement is no longer possible.
    • Remove ActionFile and ActionFileUpgradeUtil. Use ExoPlayer 2.16.1 or before to use ActionFileUpgradeUtil to merge legacy action files into DefaultDownloadIndex.
    • Remove ProgressiveMediaSource.setExtractorsFactory. Use ProgressiveMediaSource.Factory(DataSource.Factory, ExtractorsFactory) constructor instead.
    • Remove ProgressiveMediaSource.Factory.setTag and ProgressiveMediaSource.Factory.setCustomCacheKey. Use MediaItem.Builder.setTag and MediaItem.Builder.setCustomCacheKey instead.
    • Remove DefaultRenderersFactory(Context, @ExtensionRendererMode int) and DefaultRenderersFactory(Context, @ExtensionRendererMode int, long) constructors. Use the DefaultRenderersFactory(Context) constructor, DefaultRenderersFactory.setExtensionRendererMode, and DefaultRenderersFactory.setAllowedVideoJoiningTimeMs instead.
    • Remove all public CronetDataSource constructors. Use CronetDataSource.Factory instead.
  • Change the following IntDefs to @Target(TYPE_USE) only. This may break the compilation of usages in Kotlin, which can be fixed by moving the annotation to annotate the type (Int).
    • @AacAudioObjectType
    • @Ac3Util.SyncFrameInfo.StreamType
    • @AdLoadException.Type
    • @AdtsExtractor.Flags
    • @AmrExtractor.Flags
    • @AspectRatioFrameLayout.ResizeMode
    • @AudioFocusManager.PlayerCommand
    • @AudioSink.SinkFormatSupport
    • @BinarySearchSeeker.TimestampSearchResult.Type
    • @BufferReplacementMode
    • @C.BufferFlags
    • @C.ColorRange
    • @C.ColorSpace
    • @C.ColorTransfer
    • @C.CryptoMode
    • @C.Encoding
    • @C.PcmEncoding
    • @C.Projection
    • @C.SelectionReason
    • @C.StereoMode
    • @C.VideoOutputMode
    • @CacheDataSource.Flags
    • @CaptionStyleCompat.EdgeType
    • @DataSpec.Flags
    • @DataSpec.HttpMethods
    • @DecoderDiscardReasons
    • @DecoderReuseResult
    • @DefaultAudioSink.OutputMode
    • @DefaultDrmSessionManager.Mode
    • @DefaultTrackSelector.SelectionEligibility
    • @DefaultTsPayloadReaderFactory.Flags
    • @EGLSurfaceTexture.SecureMode
    • @EbmlProcessor.ElementType
    • @ExoMediaDrm.KeyRequest.RequestType
    • @ExtensionRendererMode
    • @Extractor.ReadResult
    • @FileTypes.Type
    • @FlacExtractor.Flags (in com.google.android.exoplayer2.ext.flac package)
    • @FlacExtractor.Flags (in com.google.android.exoplayer2.extractor.flac package)
    • @FragmentedMp4Extractor.Flags
    • @HlsMediaPlaylist.PlaylistType
    • @HttpDataSourceException.Type
    • @IllegalClippingException.Reason
    • @IllegalMergeException.Reason
    • @LoadErrorHandlingPolicy.FallbackType
    • @MatroskaExtractor.Flags
    • @Mp3Extractor.Flags
    • @Mp4Extractor.Flags
    • @NotificationUtil.Importance
    • @PlaybackException.FieldNumber
    • @PlayerNotificationManager.Priority
    • @PlayerNotificationManager.Visibility
    • @PlayerView.ShowBuffering
    • @Renderer.State
    • @RendererCapabilities.AdaptiveSupport
    • @RendererCapabilities.Capabilities
    • @RendererCapabilities.DecoderSupport
    • @RendererCapabilities.FormatSupport
    • @RendererCapabilities.HardwareAccelerationSupport
    • @RendererCapabilities.TunnelingSupport
    • @SampleStream.ReadDataResult
    • @SampleStream.ReadFlags
    • @StyledPlayerView.ShowBuffering
    • @SubtitleView.ViewType
    • @TextAnnotation.Position
    • @TextEmphasisSpan.MarkFill
    • @TextEmphasisSpan.MarkShape
    • @Track.Transformation
    • @TrackOutput.SampleDataPart
    • @Transformer.ProgressState
    • @TsExtractor.Mode
    • @TsPayloadReader.Flags
    • @WebvttCssStyle.FontSizeUnit

1.0.0-alpha01

AndroidX Media is the new home for media support libraries, including ExoPlayer. The first alpha contains early, functional implementations of libraries for implementing media use cases, including:

  • ExoPlayer, an application-level media player for Android that is easy to customize and extend.
  • Media session functionality, for exposing and controlling playbacks. This new session module uses the same Player interface as ExoPlayer.
  • UI components for building media playback user interfaces.
  • Modules wrapping functionality in other libraries for use with ExoPlayer, for example, ad insertion via the IMA SDK.

ExoPlayer was previously hosted in a separate ExoPlayer GitHub project. In AndroidX Media its package name is androidx.media3.exoplayer. We plan to continue to maintain and release the ExoPlayer GitHub project for a while to give apps time to migrate. AndroidX Media has replacements for all the ExoPlayer modules, except for the legacy media2 and mediasession extensions, which are together replaced by the new media3-session module. This provides direct integration between players and media sessions without needing to use an adapter/connector class.