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Release notes

2.8.1

  • HLS:
    • Fix playback of livestreams with EXT-X-PROGRAM-DATE-TIME tags (#4239).
    • Fix playback of clipped streams starting from non-keyframe positions (#4241).
  • OkHttp extension: Fix to correctly include response headers in thrown InvalidResponseCodeExceptions.
  • Add possibility to cancel PlayerMessages.
  • UI components:
    • Add PlayerView.setKeepContentOnPlayerReset to keep the currently displayed video frame or media artwork visible when the player is reset (#2843).
  • Fix crash when switching surface on Moto E(4) (#4134).
  • Fix a bug that could cause event listeners to be called with inconsistent information if an event listener interacted with the player (#4262).
  • Audio:
    • Fix extraction of PCM in MP4/MOV (#4228).
    • FLAC: Supports seeking for FLAC files without SEEKTABLE (#1808).
  • Captions:
    • TTML:
      • Fix a styling issue when there are multiple regions displayed at the same time that can make text size of each region much smaller than defined.
      • Fix an issue when the caption line has no text (empty line or only line break), and the line's background is still displayed.
      • Support TTML font size using % correctly (as percentage of document cell resolution).

2.8.0

  • Downloading:
    • Add DownloadService, DownloadManager and related classes (#2643). Information on using these components to download progressive formats can be found here. To see how to download DASH, HLS and SmoothStreaming media, take a look at the app.
    • Updated main demo app to support downloading DASH, HLS, SmoothStreaming and progressive media.
  • MediaSources:
    • Allow reusing media sources after they have been released and also in parallel to allow adding them multiple times to a concatenation. (#3498).
    • Merged DynamicConcatenatingMediaSource into ConcatenatingMediaSource and deprecated DynamicConcatenatingMediaSource.
    • Allow clipping of child media sources where the period and window have a non-zero offset with ClippingMediaSource.
    • Allow adding and removing MediaSourceEventListeners to MediaSources after they have been created. Listening to events is now supported for all media sources including composite sources.
    • Added callbacks to MediaSourceEventListener to get notified when media periods are created, released and being read from.
    • Support live stream clipping with ClippingMediaSource.
    • Allow setting tags for all media sources in their factories. The tag of the current window can be retrieved with ExoPlayer.getCurrentTag.
  • UI components:
    • Add support for displaying error messages and a buffering spinner in PlayerView.
    • Add support for listening to AspectRatioFrameLayout's aspect ratio update (#3736).
    • Add PlayerNotificationManager for displaying notifications reflecting the player state.
    • Add TrackSelectionView for selecting tracks with DefaultTrackSelector.
    • Add TrackNameProvider for converting track Formats to textual descriptions, and DefaultTrackNameProvider as a default implementation.
  • Track selection:
    • Reworked MappingTrackSelector and DefaultTrackSelector.
    • DefaultTrackSelector.Parameters now implements Parcelable.
    • Added UI components for track selection (see above).
  • Audio:
    • Support extracting data from AMR container formats, including both narrow and wide band (#2527).
    • FLAC:
      • Sniff FLAC files correctly if they have ID3 headers (#4055).
      • Supports FLAC files with high sample rate (176400 and 192000) (#3769).
    • Factor out AudioTrack position tracking from DefaultAudioSink.
    • Fix an issue where the playback position would pause just after playback begins, and poll the audio timestamp less frequently once it starts advancing (#3841).
    • Add an option to skip silent audio in PlaybackParameters ((#2635)[google#2635]).
    • Fix an issue where playback of TrueHD streams would get stuck after seeking due to not finding a syncframe ((#3845)[google#3845]).
    • Fix an issue with eac3-joc playback where a codec would fail to configure ((#4165)[google#4165]).
    • Handle non-empty end-of-stream buffers, to fix gapless playback of streams with encoder padding when the decoder returns a non-empty final buffer.
    • Allow trimming more than one sample when applying an elst audio edit via gapless playback info.
    • Allow overriding skipping/scaling with custom AudioProcessors ((#3142)[google#3142]).
  • Caching:
    • Add release method to the Cache interface, and prevent multiple instances of SimpleCache using the same folder at the same time.
    • Cache redirect URLs (#2360).
  • DRM:
    • Allow multiple listeners for DefaultDrmSessionManager.
    • Pass DrmSessionManager to ExoPlayerFactory instead of RendererFactory.
    • Change minimum API requirement for CBC and pattern encryption from 24 to 25 (#4022).
    • Fix handling of 307/308 redirects when making license requests (#4108).
  • HLS:
    • Fix playlist loading error propagation when the current selection does not include all of the playlist's variants.
    • Fix SAMPLE-AES-CENC and SAMPLE-AES-CTR EXT-X-KEY methods (#4145).
    • Preeptively declare an ID3 track in chunkless preparation (#4016).
    • Add support for multiple #EXT-X-MAP tags in a media playlist (#4164).
    • Fix seeking in live streams (#4187).
  • IMA:
    • Allow setting the ad media load timeout (#3691).
    • Expose ad load errors via MediaSourceEventListener on AdsMediaSource, and allow setting an ad event listener on ImaAdsLoader. Deprecate the AdsMediaSource.EventListener.
  • Add AnalyticsListener interface which can be registered in SimpleExoPlayer to receive detailed metadata for each ExoPlayer event.
  • Optimize seeking in FMP4 by enabling seeking to the nearest sync sample within a fragment. This benefits standalone FMP4 playbacks, DASH and SmoothStreaming.
  • Updated default max buffer length in DefaultLoadControl.
  • Fix ClearKey decryption error if the key contains a forward slash (#4075).
  • Fix crash when switching surface on Huawei P9 Lite (#4084), and Philips QM163E (#4104).
  • Support ZLIB compressed PGS subtitles.
  • Added getPlaybackError to Player interface.
  • Moved initial bitrate estimate from AdaptiveTrackSelection to DefaultBandwidthMeter.
  • Removed default renderer time offset of 60000000 from internal player. The actual renderer timestamp offset can be obtained by listening to BaseRenderer.onStreamChanged.
  • Added dependencies on checkerframework annotations for static code analysis.

2.7.3

  • Fix ProGuard configuration for Cast, IMA and OkHttp extensions.
  • Update OkHttp extension to depend on OkHttp 3.10.0.

2.7.2

  • Gradle: Upgrade Gradle version from 4.1 to 4.4 so it can work with Android Studio 3.1 (#3708).
  • Match codecs starting with "mp4a" to different Audio MimeTypes (#3779).
  • Fix ANR issue on Redmi 4X and Redmi Note 4 (#4006).
  • Fix handling of zero padded strings when parsing Matroska streams (#4010).
  • Fix "Decoder input buffer too small" error when playing some FLAC streams.
  • MediaSession extension: Omit fast forward and rewind actions when media is not seekable (#4001).

2.7.1

  • Gradle: Replaced 'compile' (deprecated) with 'implementation' and 'api'. This may lead to build breakage for applications upgrading from previous version that rely on indirect dependencies of certain modules. In such cases, application developers need to add the missing dependency to their gradle file. You can read more about the new dependency configurations here.
  • HlsMediaSource: Make HLS periods start at zero instead of the epoch. Applications that rely on HLS timelines having a period starting at the epoch will need to update their handling of HLS timelines. The program date time is still available via the informational Timeline.Window.windowStartTimeMs field (#3865, #3888).
  • Enable seeking in MP4 streams where duration is set incorrectly in the track header (#3926).
  • Video: Force rendering a frame periodically in MediaCodecVideoRenderer and LibvpxVideoRenderer, even if it is late.

2.7.0

  • Player interface:
    • Add optional parameter to stop to reset the player when stopping.
    • Add a reason to EventListener.onTimelineChanged to distinguish between initial preparation, reset and dynamic updates.
    • Add Player.DISCONTINUITY_REASON_AD_INSERTION to the possible reasons reported in Eventlistener.onPositionDiscontinuity to distinguish transitions to and from ads within one period from transitions between periods.
    • Replaced ExoPlayer.sendMessages with ExoPlayer.createMessage to allow more customization of the message. Now supports setting a message delivery playback position and/or a delivery handler (#2189).
    • Add Player.VideoComponent, Player.TextComponent and Player.MetadataComponent interfaces that define optional video, text and metadata output functionality. New getVideoComponent, getTextComponent and getMetadataComponent methods provide access to this functionality.
  • Add ExoPlayer.setSeekParameters for controlling how seek operations are performed. The SeekParameters class contains defaults for exact seeking and seeking to the closest sync points before, either side or after specified seek positions. SeekParameters are not currently supported when playing HLS streams.
  • DefaultTrackSelector:
    • Replace DefaultTrackSelector.Parameters copy methods with a builder.
    • Support disabling of individual text track selection flags.
  • Buffering:
    • Allow a back-buffer of media to be retained behind the current playback position, for fast backward seeking. The back-buffer can be configured by custom LoadControl implementations.
    • Add ability for SequenceableLoader to re-evaluate its buffer and discard buffered media so that it can be re-buffered in a different quality.
    • Allow more flexible loading strategy when playing media containing multiple sub-streams, by allowing injection of custom CompositeSequenceableLoader factories through DashMediaSource.Factory, HlsMediaSource.Factory, SsMediaSource.Factory, and MergingMediaSource.
    • Play out existing buffer before retrying for progressive live streams (#1606).
  • UI components:
    • Generalized player and control views to allow them to bind with any Player, and renamed them to PlayerView and PlayerControlView respectively.
    • Made PlayerView automatically apply video rotation when configured to use TextureView (#91).
    • Made PlayerView play button behave correctly when the player is ended (#3689), and call a PlaybackPreparer when the player is idle.
  • DRM: Optimistically attempt playback of DRM protected content that does not declare scheme specific init data in the manifest. If playback of clear samples without keys is allowed, delay DRM session error propagation until keys are actually needed (#3630).
  • DASH:
    • Support in-band Emsg events targeting the player with scheme id urn:mpeg:dash:event:2012 and scheme values "1", "2" and "3".
    • Support EventStream elements in DASH manifests.
  • HLS:
    • Add opt-in support for chunkless preparation in HLS. This allows an HLS source to finish preparation without downloading any chunks, which can significantly reduce initial buffering time (#3149). More details can be found here.
    • Fail if unable to sync with the Transport Stream, rather than entering stuck in an indefinite buffering state.
    • Fix mime type propagation (#3653).
    • Fix ID3 context reuse across segment format changes (#3622).
    • Use long for media sequence numbers (#3747)
    • Add initial support for the EXT-X-GAP tag.
  • Audio:
    • Support TrueHD passthrough for rechunked samples in Matroska files (#2147).
    • Support resampling 24-bit and 32-bit integer to 32-bit float for high resolution output in DefaultAudioSink (#3635).
  • Captions:
    • Basic support for PGS subtitles (#3008).
    • Fix handling of CEA-608 captions where multiple buffers have the same presentation timestamp (#3782).
  • Caching:
    • Fix cache corruption issue (#3762).
    • Implement periodic check in CacheDataSource to see whether it's possible to switch to reading/writing the cache having initially bypassed it.
  • IMA extension:
    • Fix the player getting stuck when an ad group fails to load (#3584).
    • Work around loadAd not being called beore the LOADED AdEvent arrives (#3552).
    • Handle asset mismatch errors (#3801).
    • Add support for playing non-Extractor content MediaSources in the IMA demo app (#3676).
    • Fix handling of ad tags where ad groups are out of order (#3716).
    • Fix handling of ad tags with only preroll/postroll ad groups (#3715).
    • Propagate ad media preparation errors to IMA so that the ads can be skipped.
    • Handle exceptions in IMA callbacks so that can be logged less verbosely.
  • New Cast extension. Simplifies toggling between local and Cast playbacks.
  • EventLogger moved from the demo app into the core library.
  • Fix ANR issue on the Huawei P8 Lite, Huawei Y6II, Moto C+, Meizu M5C, Lenovo K4 Note and Sony Xperia E5. (#3724, #3835).
  • Fix potential NPE when removing media sources from a DynamicConcatenatingMediaSource (#3796).
  • Check sys.display-size on Philips ATVs (#3807).
  • Release Extractors on the loading thread to avoid potentially leaking resources when the playback thread has quit by the time the loading task has completed.
  • ID3: Better handle malformed ID3 data (#3792.
  • Support 14-bit mode and little endianness in DTS PES packets (#3340).
  • Demo app: Add ability to download not DRM protected content.

2.6.1

  • Add factories to ExtractorMediaSource, HlsMediaSource, SsMediaSource, DashMediaSource and SingleSampleMediaSource.
  • Use the same listener MediaSourceEventListener for all MediaSource implementations.
  • IMA extension:
    • Support non-ExtractorMediaSource ads (#3302).
    • Skip ads before the ad preceding the player's initial seek position (#3527).
    • Fix ad loading when there is no preroll.
    • Add an option to turn off hiding controls during ad playback (#3532).
    • Support specifying an ads response instead of an ad tag (#3548).
    • Support overriding the ad load timeout (#3556).
  • DASH: Support time zone designators in ISO8601 UTCTiming elements (#3524).
  • Audio:
    • Support 32-bit PCM float output from DefaultAudioSink, and add an option to use this with FfmpegAudioRenderer.
    • Add support for extracting 32-bit WAVE files (#3379).
    • Support extraction and decoding of Dolby Atmos (#2465).
    • Fix handling of playback parameter changes while paused when followed by a seek.
  • SimpleExoPlayer: Allow multiple audio and video debug listeners.
  • DefaultTrackSelector: Support undefined language text track selection when the preferred language is not available (#2980).
  • Add options to DefaultLoadControl to set maximum buffer size in bytes and to choose whether size or time constraints are prioritized.
  • Use surfaceless context for secure DummySurface, if available (#3558).
  • FLV: Fix playback of live streams that do not contain an audio track (#3188).
  • CEA-608: Fix handling of row count changes in roll-up mode (#3513).
  • Prevent period transitions when seeking to the end of a period when paused (#2439).

2.6.0

  • Removed "r" prefix from versions. This release is "2.6.0", not "r2.6.0".
  • New Player.DefaultEventListener abstract class can be extended to avoid having to implement all methods defined by Player.EventListener.
  • Added a reason to EventListener.onPositionDiscontinuity (#3252).
  • New setShuffleModeEnabled method for enabling shuffled playback.
  • SimpleExoPlayer: Support for multiple video, text and metadata outputs.
  • Support for Renderers that don't consume any media (#3212).
  • Fix reporting of internal position discontinuities via Player.onPositionDiscontinuity. DISCONTINUITY_REASON_SEEK_ADJUSTMENT is added to disambiguate position adjustments during seeks from other types of internal position discontinuity.
  • Fix potential IndexOutOfBoundsException when calling ExoPlayer.getDuration (#3362).
  • Fix playbacks involving looping, concatenation and ads getting stuck when media contains tracks with uneven durations (#1874).
  • Fix issue with ContentDataSource when reading from certain ContentProvider implementations (#3426).
  • Better playback experience when the video decoder cannot keep up, by skipping to key-frames. This is particularly relevant for variable speed playbacks.
  • Allow SingleSampleMediaSource to suppress load errors (#3140).
  • DynamicConcatenatingMediaSource: Allow specifying a callback to be invoked after a dynamic playlist modification has been applied (#3407).
  • Audio: New AudioSink interface allows customization of audio output path.
  • Offline: Added Downloader implementations for DASH, HLS, SmoothStreaming and progressive streams.
  • Track selection:
    • Fixed adaptive track selection logic for live playbacks (#3017).
    • Added ability to select the lowest bitrate tracks.
  • DASH:
    • Don't crash when a malformed or unexpected manifest update occurs (#2795).
  • HLS:
    • Support for Widevine protected FMP4 variants.
    • Support CEA-608 in FMP4 variants.
    • Support extractor injection (#2748).
  • DRM:
    • Improved compatibility with ClearKey content (#3138).
    • Support multiple PSSH boxes of the same type.
    • Retry initial provisioning and key requests if they fail
    • Fix incorrect parsing of non-CENC sinf boxes.
  • IMA extension:
    • Expose AdsLoader via getter (#3322).
    • Handle setPlayWhenReady calls during ad playbacks (#3303).
    • Ignore seeks if an ad is playing (#3309).
    • Improve robustness of ImaAdsLoader in case content is not paused between content to ad transitions (#3430).
  • UI:
    • Allow specifying a Drawable for the TimeBar scrubber (#3337).
    • Allow multiple listeners on TimeBar (#3406).
  • New Leanback extension: Simplifies binding Exoplayer to Leanback UI components.
  • Unit tests moved to Robolectric.
  • Misc bugfixes.

r2.5.4

  • Remove unnecessary media playlist fetches during playback of live HLS streams.
  • Add the ability to inject a HLS playlist parser through HlsMediaSource.
  • Fix potential IndexOutOfBoundsException when using ImaMediaSource (#3334).
  • Fix an issue parsing MP4 content containing non-CENC sinf boxes.
  • Fix memory leak when seeking with repeated periods.
  • Fix playback position when ExoPlayer.prepare is called with resetPosition set to false.
  • Ignore MP4 edit lists that seem invalid (#3351).
  • Add extractor flag for ignoring all MP4 edit lists (#3358).
  • Improve extensibility by exposing public constructors for FrameworkMediaCrypto and by making DefaultDashChunkSource.getNextChunk non-final.

r2.5.3

  • IMA extension: Support skipping of skippable ads on AndroidTV and other non-touch devices (#3258).
  • HLS: Fix broken WebVTT captions when PTS wraps around (#2928).
  • Captions: Fix issues rendering CEA-608 captions (#3250).
  • Workaround broken AAC decoders on Galaxy S6 (#3249).
  • Caching: Fix infinite loop when cache eviction fails (#3260).
  • Caching: Force use of BouncyCastle on JellyBean to fix decryption issue (#2755).

r2.5.2

  • IMA extension: Fix issue where ad playback could end prematurely for some content types (#3180).
  • RTMP extension: Fix SIGABRT on fast RTMP stream restart (#3156).
  • UI: Allow app to manually specify ad markers (#3184).
  • DASH: Expose segment indices to subclasses of DefaultDashChunkSource (#3037).
  • Captions: Added robustness against malformed WebVTT captions (#3228).
  • DRM: Support forcing a specific license URL.
  • Fix playback error when seeking in media loaded through content:// URIs (#3216).
  • Fix issue playing MP4s in which the last atom specifies a size of zero (#3191).
  • Workaround playback failures on some Xiaomi devices (#3171).
  • Workaround SIGSEGV issue on some devices when setting and swapping surface for secure playbacks (#3215).
  • Workaround for Nexus 7 issue when swapping output surface (#3236).
  • Workaround for SimpleExoPlayerView's surface not being hidden properly (#3160).

r2.5.1

  • Fix an issue that could cause the reported playback position to stop advancing in some cases.
  • Fix an issue where a Surface could be released whilst still in use by the player.

r2.5.0

  • IMA extension: Wraps the Google Interactive Media Ads (IMA) SDK to provide an easy and seamless way of incorporating display ads into ExoPlayer playbacks. You can read more about the IMA extension here.
  • MediaSession extension: Provides an easy way to connect ExoPlayer with MediaSessionCompat in the Android Support Library.
  • RTMP extension: An extension for playing streams over RTMP.
  • Build: Made it easier for application developers to depend on a local checkout of ExoPlayer. You can learn how to do this here.
  • Core playback improvements:
    • Eliminated re-buffering when changing audio and text track selections during playback of progressive streams (#2926).
    • New DynamicConcatenatingMediaSource class to support playback of dynamic playlists.
    • New ExoPlayer.setRepeatMode method for dynamic toggling of repeat mode during playback. Use of setRepeatMode should be preferred to LoopingMediaSource for most looping use cases. You can read more about setRepeatMode here.
    • Eliminated jank when switching video playback from one Surface to another on API level 23+ for unencrypted content, and on devices that support the EGL_EXT_protected_content OpenGL extension for protected content (#677).
    • Enabled ExoPlayer instantiation on background threads without Loopers. Events from such players are delivered on the application's main thread.
  • HLS improvements:
    • Optimized adaptive switches for playlists that specify the EXT-X-INDEPENDENT-SEGMENTS tag.
    • Optimized in-buffer seeking (#551).
    • Eliminated re-buffering when changing audio and text track selections during playback, provided the new selection does not require switching to different renditions (#2718).
    • Exposed all media playlist tags in ExoPlayer's MediaPlaylist object.
  • DASH: Support for seamless switching across streams in different AdaptationSet elements (#2431).
  • DRM: Support for additional crypto schemes (cbc1, cbcs and cens) on API level 24+ (#1989).
  • Captions: Initial support for SSA/ASS subtitles (#889).
  • AndroidTV: Fixed issue where tunneled video playback would not start on some devices (#2985).
  • MPEG-TS: Fixed segmentation issue when parsing H262 (#2891).
  • Cronet extension: Support for a user-defined fallback if Cronet library is not present.
  • Fix buffer too small IllegalStateException issue affecting some composite media playbacks (#2900).
  • Misc bugfixes.

r2.4.4

  • HLS/MPEG-TS: Some initial optimizations of MPEG-TS extractor performance (#3040).
  • HLS: Fix propagation of format identifier for CEA-608 (#3033).
  • HLS: Detect playlist stuck and reset conditions (#2872).
  • Video: Fix video dimension reporting on some devices (#3007).

r2.4.3

  • Audio: Workaround custom audio decoders misreporting their maximum supported channel counts (#2940).
  • Audio: Workaround for broken MediaTek raw decoder on some devices (#2873).
  • Captions: Fix TTML captions appearing at the top of the screen (#2953).
  • Captions: Fix handling of some DVB subtitles (#2957).
  • Track selection: Fix setSelectionOverride(index, tracks, null) (#2988).
  • GVR extension: Add support for mono input (#2710).
  • FLAC extension: Fix failing build (#2977).
  • Misc bugfixes.

r2.4.2

  • Stability: Work around Nexus 10 reboot when playing certain content (#2806).
  • MP3: Correctly treat MP3s with INFO headers as constant bitrate (#2895).
  • HLS: Use average rather than peak bandwidth when available (#2863).
  • SmoothStreaming: Fix timeline for live streams (#2760).
  • UI: Fix DefaultTimeBar invalidation (#2871).
  • Misc bugfixes.

r2.4.1

  • Stability: Avoid OutOfMemoryError in extractors when parsing malformed media (#2780).
  • Stability: Avoid native crash on Galaxy Nexus. Avoid unnecessarily large codec input buffer allocations on all devices (#2607).
  • Variable speed playback: Fix interpolation for rate/pitch adjustment (#2774).
  • HLS: Include EXT-X-DATERANGE tags in HlsMediaPlaylist.
  • HLS: Don't expose CEA-608 track if CLOSED-CAPTIONS=NONE (#2743).
  • HLS: Correctly propagate errors loading the media playlist (#2623).
  • UI: DefaultTimeBar enhancements and bug fixes (#2740).
  • Ogg: Fix failure to play some Ogg files (#2782).
  • Captions: Don't select text tack with no language by default.
  • Captions: TTML positioning fixes (#2824).
  • Misc bugfixes.

r2.4.0

  • New modular library structure. You can read more about depending on individual library modules here.
  • Variable speed playback support on API level 16+. You can read more about changing the playback speed here (#26).
  • New time bar view, including support for displaying ad break markers.
  • Support DVB subtitles in MPEG-TS and MKV.
  • Support adaptive playback for audio only DASH, HLS and SmoothStreaming (#1975).
  • Support for setting extractor flags on DefaultExtractorsFactory (#2657).
  • Support injecting custom renderers into SimpleExoPlayer using a new RenderersFactory interface.
  • Correctly set ExoPlayer's internal thread priority to THREAD_PRIORITY_AUDIO.
  • TX3G: Support styling and positioning.
  • FLV:
    • Support MP3 in FLV.
    • Skip unhandled metadata rather than failing (#2634).
    • Fix potential OutOfMemory errors.
  • ID3: Better handle malformed ID3 data (#2604, #2663).
  • FFmpeg extension: Fixed build instructions (#2561).
  • VP9 extension: Reduced binary size.
  • FLAC extension: Enabled 64 bit targets.
  • Misc bugfixes.

r2.3.1

  • Fix NPE enabling WebVTT subtitles in DASH streams (#2596).
  • Fix skipping to keyframes when MediaCodecVideoRenderer is enabled but without a Surface (#2575).
  • Minor fix for CEA-708 decoder (#2595).

r2.3.0

  • GVR extension: Wraps the Google VR Audio SDK to provide spatial audio rendering. You can read more about the GVR extension here.
  • DASH improvements:
    • Support embedded CEA-608 closed captions (#2362).
    • Support embedded EMSG events (#2176).
    • Support mspr:pro manifest element (#2386).
    • Correct handling of empty segment indices at the start of live events (#1865).
  • HLS improvements:
    • Respect initial track selection (#2353).
    • Reduced frequency of media playlist requests when playback position is close to the live edge (#2548).
    • Exposed the master playlist through ExoPlayer.getCurrentManifest() (#2537).
    • Support CLOSED-CAPTIONS #EXT-X-MEDIA type (#341).
    • Fixed handling of negative values in #EXT-X-SUPPORT (#2495).
    • Fixed potential endless buffering state for streams with WebVTT subtitles (#2424).
  • MPEG-TS improvements:
    • Support for multiple programs.
    • Support for multiple closed captions and caption service descriptors (#2161).
  • MP3: Add FLAG_ENABLE_CONSTANT_BITRATE_SEEKING extractor option to enable constant bitrate seeking in MP3 files that would otherwise be unseekable (#2445).
  • ID3: Better handle malformed ID3 data (#2486).
  • Track selection: Added maxVideoBitrate parameter to DefaultTrackSelector.
  • DRM: Add support for CENC ClearKey on API level 21+ (#2361).
  • DRM: Support dynamic setting of key request headers (#1924).
  • SmoothStreaming: Fixed handling of start_time placeholder (#2447).
  • FLAC extension: Fix proguard configuration (#2427).
  • Misc bugfixes.

r2.2.0

  • Demo app: Automatic recovery from BehindLiveWindowException, plus improved handling of pausing and resuming live streams (#2344).
  • AndroidTV: Added Support for tunneled video playback (#1688).
  • DRM: Renamed StreamingDrmSessionManager to DefaultDrmSessionManager and added support for using offline licenses (#876).
  • DRM: Introduce OfflineLicenseHelper to help with offline license acquisition, renewal and release.
  • UI: Updated player control assets. Added vector drawables for use on API level 21 and above.
  • UI: Made player control seek bar work correctly with key events if focusable (#2278).
  • HLS: Improved support for streams that use EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE (#1789).
  • HLS: Support for EXT-X-START tag (#1544).
  • HLS: Check #EXTM3U header is present when parsing the playlist. Fail gracefully if not (#2301).
  • HLS: Fix memory leak (#2319).
  • HLS: Fix non-seamless first adaptation where master playlist omits resolution tags (#2096).
  • HLS: Fix handling of WebVTT subtitle renditions with non-standard segment file extensions (#2025 and #2355).
  • HLS: Better handle inconsistent HLS playlist update (#2249).
  • DASH: Don't overflow when dealing with large segment numbers (#2311).
  • DASH: Fix propagation of language from the manifest (#2335).
  • SmoothStreaming: Work around "Offset to sample data was negative" failures (#2292, #2101 and #1152).
  • MP3/ID3: Added support for parsing Chapter and URL link frames (#2316).
  • MP3/ID3: Handle ID3 frames that end with empty text field (#2309).
  • Added ClippingMediaSource for playing clipped portions of media (#1988).
  • Added convenience methods to query whether the current window is dynamic and seekable (#2320).
  • Support setting of default headers on HttpDataSource.Factory implementations (#2166).
  • Fixed cache failures when using an encrypted cache content index.
  • Fix visual artifacts when switching output surface (#2093).
  • Fix gradle + proguard configurations.
  • Fix player position when replacing the MediaSource (#2369).
  • Misc bug fixes, including #2330, #2269, #2252, #2264 and #2290.

r2.1.1

  • Fix some subtitle types (e.g. WebVTT) being displayed out of sync (#2208).
  • Fix incorrect position reporting for on-demand HLS media that includes EXT-X-PROGRAM-DATE-TIME tags (#2224).
  • Fix issue where playbacks could get stuck in the initial buffering state if over 1MB of data needs to be read to initialize the playback.

r2.1.0

  • HLS: Support for seeking in live streams (#87).
  • HLS: Improved support:
    • Support for EXT-X-PROGRAM-DATE-TIME (#747).
    • Improved handling of sample timestamps and their alignment across variants and renditions.
    • Fix issue that could cause playbacks to get stuck in an endless initial buffering state.
    • Correctly propagate BehindLiveWindowException instead of IndexOutOfBoundsException exception (#1695).
  • MP3/MP4: Support for ID3 metadata, including embedded album art (#979).
  • Improved customization of UI components. You can read about customization of ExoPlayer's UI components here.
  • Robustness improvements when handling MediaSource timeline changes and MediaPeriod transitions.
  • EIA608: Support for caption styling and positioning.
  • MPEG-TS: Improved support:
    • Support injection of custom TS payload readers.
    • Support injection of custom section payload readers.
    • Support SCTE-35 splice information messages.
    • Support multiple table sections in a single PSI section.
    • Fix NullPointerException when an unsupported stream type is encountered (#2149).
    • Avoid failure when expected ID3 header not found (#1966).
  • Improvements to the upstream cache package.
    • Support caching of media segments for DASH, HLS and SmoothStreaming. Note that caching of manifest and playlist files is still not supported in the (normal) case where the corresponding responses are compressed.
    • Support caching for ExtractorMediaSource based playbacks.
  • Improved flexibility of SimpleExoPlayer (#2102).
  • Fix issue where only the audio of a video would play due to capability detection issues (#2007, #2034 and #2157).
  • Fix issues that could cause ExtractorMediaSource based playbacks to get stuck buffering (#1962).
  • Correctly set SimpleExoPlayerView surface aspect ratio when an active player is attached (#2077).
  • OGG: Fix playback of short OGG files (#1976).
  • MP4: Support .mp3 tracks (#2066).
  • SubRip: Don't fail playbacks if SubRip file contains negative timestamps (#2145).
  • Misc bugfixes.

r2.0.4

  • Fix crash on Jellybean devices when using playback controls (#1965).

r2.0.3

  • Fixed NullPointerException in ExtractorMediaSource (#1914).
  • Fixed NullPointerException in HlsMediaPeriod (#1907).
  • Fixed memory leak in PlaybackControlView (#1908).
  • Fixed strict mode violation when using SimpleExoPlayer.setVideoPlayerTextureView().
  • Fixed L3 Widevine provisioning (#1925).
  • Fixed hiding of controls with use_controller="false" (#1919).
  • Improvements to Cronet network stack extension.
  • Misc bug fixes.

r2.0.2

  • Fixes for MergingMediaSource and sideloaded subtitles. (#1882, #1854, #1900).
  • Reduced effect of application code leaking player references (#1855).
  • Initial support for fragmented MP4 in HLS.
  • Misc bug fixes and minor features.

r2.0.1

  • Fix playback of short duration content (#1837).
  • Fix MergingMediaSource preparation issue (#1853).
  • Fix live stream buffering (out of memory) issue (#1825).

r2.0.0

ExoPlayer 2.x is a major iteration of the library. It includes significant API and architectural changes, new features and many bug fixes. You can read about some of the motivations behind ExoPlayer 2.x here.

  • Root package name changed to com.google.android.exoplayer2. The library structure and class names have also been sanitized. Read more here.
  • Key architectural changes:
    • Late binding between rendering and media source components. Allows the same rendering components to be re-used from one playback to another. Enables features such as gapless playback through playlists and DASH multi-period support.
    • Improved track selection design. More details can be found here.
    • LoadControl now used to control buffering and loading across all playback types.
    • Media source components given additional structure. A new MediaSource class has been introduced. MediaSources expose Timelines that describe the media they expose, and can consist of multiple MediaPeriods. This enables features such as seeking in live playbacks and DASH multi-period support.
    • Responsibility for loading the initial DASH/SmoothStreaming/HLS manifest is promoted to the corresponding MediaSource components and is no longer the application's responsibility.
    • Higher level abstractions such as SimpleExoPlayer have been added to the library. These make the library easier to use for common use cases. The demo app is halved in size as a result, whilst at the same time gaining more functionality. Read more here.
    • Enhanced library support for implementing audio extensions. Read more here.
    • Format and MediaFormat are replaced by a single Format class.
  • Key new features:
    • Playlist support. Includes support for gapless playback between playlist items and consistent application of LoadControl and TrackSelector policies when transitioning between items (#1270).
    • Seeking in live playbacks for DASH and SmoothStreaming (#291).
    • DASH multi-period support (#557).
    • MediaSource composition allows MediaSources to be concatenated into a playlist, merged and looped. Read more here.
    • Looping support (see above) (#490).
    • Ability to query information about all tracks in a piece of media (including those not supported by the device) (#1121).
    • Improved player controls.
    • Support for PSSH in fMP4 moof atoms (#1143).
    • Support for Opus in Ogg (#1447).
    • CacheDataSource support for standalone media file playbacks (mp3, mp4 etc).
    • FFMPEG extension (for audio only).
  • Key bug fixes:
    • Removed unnecessary secondary requests when playing standalone media files (#1041).
    • Fixed playback of video only (i.e. no audio) live streams (#758).
    • Fixed silent failure when media buffer is too small (#583).
    • Suppressed "Sending message to a Handler on a dead thread" warnings (#426).

Legacy release notes

Note: Since ExoPlayer V1 is still being maintained alongside V2, there is some overlap between these notes and the notes above. r2.0.0 followed from r1.5.11, and hence it can be assumed that all changes in r1.5.11 and earlier are included in all V2 releases. This cannot be assumed for changes in r1.5.12 and later, however it can be assumed that all such changes are included in the most recent V2 release.

r1.5.16

  • VP9 extension: Reduced binary size.
  • FLAC extension: Enabled 64 bit targets and fixed proguard config.
  • Misc bugfixes.

r1.5.15

  • SmoothStreaming: Fixed handling of start_time placeholder (#2447).
  • Misc bugfixes.

r1.5.14

  • Fixed cache failures when using an encrypted cache content index.
  • SmoothStreaming: Work around "Offset to sample data was negative" failures (#2292, #2101 and #1152).

r1.5.13

  • Improvements to the upstream cache package.
  • MP4: Support .mp3 tracks (#2066).
  • SubRip: Don't fail playbacks if SubRip file contains negative timestamps (#2145).
  • MPEG-TS: Avoid failure when expected ID3 header not found (#1966).
  • Misc bugfixes.

r1.5.12

  • Improvements to Cronet network stack extension.
  • Fix bug in demo app introduced in r1.5.11 that caused L3 Widevine provisioning requests to fail.
  • Misc bugfixes.

r1.5.11

  • Cronet network stack extension.
  • HLS: Fix propagation of language for alternative audio renditions (#1784).
  • WebM: Support for subsample encryption.
  • ID3: Fix EOS detection for 2-byte encodings (#1774).
  • MPEG-TS: Support multiple tracks of the same type.
  • MPEG-TS: Work toward robust handling of stream corruption.
  • Fix ContentDataSource failures triggered by garbage collector (#1759).

r1.5.10

  • HLS: Stability fixes.
  • MP4: Support for stz2 Atoms.
  • Enable 4K format selection on Sony AndroidTV + nVidia SHIELD.
  • TX3G caption fixes.

r1.5.9

  • MP4: Fixed incorrect sniffing in some cases (#1523).
  • MP4: Improved file compatibility (#1567).
  • ID3: Support for TIT2 and APIC frames.
  • Fixed querying of platform decoders on some devices.
  • Misc bug fixes.

r1.5.8

  • HLS: Fix handling of HTTP redirects.
  • Audio: Minor adjustment to improve A/V sync.
  • OGG: Support FLAC in OGG.
  • TTML: Support regions.
  • WAV/PCM: Support 8, 24 and 32-bit WAV and PCM audio.
  • Misc bug fixes and performance optimizations.

r1.5.7

  • OGG: Support added for OGG.
  • FLAC: Support for FLAC extraction and playback (via an extension).
  • HLS: Multiple audio track support (via Renditions).
  • FMP4: Support multiple tracks in fragmented MP4 (not applicable to DASH/SmoothStreaming).
  • WAV: Support for 16-bit WAV files.
  • MKV: Support non-square pixel formats.
  • Misc bug fixes.

r1.5.6

  • MP3: Fix mono streams playing at 2x speed on some MediaTek based devices (#801).
  • MP3: Fix playback of some streams when stream length is unknown.
  • ID3: Support multiple frames of the same type in a single tag.
  • EIA608: Correctly handle repeated control characters, fixing an issue in which captions would immediately disappear.
  • AVC3: Fix decoder failures on some MediaTek devices in the case where the first buffer fed to the decoder does not start with SPS/PPS NAL units.
  • Misc bug fixes.

r1.5.5

  • DASH: Enable MP4 embedded WebVTT playback (#1185)
  • HLS: Fix handling of extended ID3 tags in MPEG-TS (#1181)
  • MP3: Fix incorrect position calculation in VBRI header (#1197)
  • Fix issue seeking backward using SingleSampleSource (#1193)

r1.5.4

  • HLS: Support for variant selection and WebVtt subtitles.
  • MP4: Support for embedded WebVtt.
  • Improved device compatibility.
  • Fix for resource leak (Issue #1066).
  • Misc bug fixes + minor features.

r1.5.3

  • Support for FLV (without seeking).
  • MP4: Fix for playback of media containing basic edit lists.
  • QuickTime: Fix parsing of QuickTime style audio sample entry.
  • HLS: Add H262 support for devices that have an H262 decoder.
  • Allow AudioTrack PlaybackParams (e.g. speed/pitch) on API level 23+.
  • Correctly detect 4K displays on API level 23+.
  • Misc bug fixes.

r1.5.2

  • MPEG-TS/HLS: Fix frame drops playing H265 video.
  • SmoothStreaming: Fix parsing of ProtectionHeader.

r1.5.1

  • Enable smooth frame release by default.
  • Added OkHttpDataSource extension.
  • AndroidTV: Correctly detect 4K display size on Bravia devices.
  • FMP4: Handle non-sample data in mdat boxes.
  • TTML: Fix parsing of some colors on Jellybean.
  • SmoothStreaming: Ignore tfdt boxes.
  • Misc bug fixes.

r1.5.0

  • Multi-track support.
  • DASH: Limited support for multi-period manifests.
  • HLS: Smoother format adaptation.
  • HLS: Support for MP3 media segments.
  • TTML: Support for most embedded TTML styling.
  • WebVTT: Enhanced positioning support.
  • Initial playback tests.
  • Misc bug fixes.

r1.4.2

  • Implemented automatic format detection for regular container formats.
  • Added UdpDataSource for connecting to multicast streams.
  • Improved robustness for MP4 playbacks.
  • Misc bug fixes.

r1.4.1

  • HLS: Fix premature playback failures that could occur in some cases.

r1.4.0

  • Support for extracting Matroska streams (implemented by WebmExtractor).
  • Support for tx3g captions in MP4 streams.
  • Support for H.265 in MPEG-TS streams on supported devices.
  • HLS: Added support for MPEG audio (e.g. MP3) in TS media segments.
  • HLS: Improved robustness against missing chunks and variants.
  • MP4: Added support for embedded MPEG audio (e.g. MP3).
  • TTML: Improved handling of whitespace.
  • DASH: Support Mpd.Location element.
  • Add option to TsExtractor to allow non-IDR keyframes.
  • Added MulticastDataSource for connecting to multicast streams.
  • (WorkInProgress) - First steps to supporting seeking in DASH DVR window.
  • (WorkInProgress) - First steps to supporting styled + positioned subtitles.
  • Misc bug fixes.

r1.3.3

  • HLS: Fix failure when playing HLS AAC streams.
  • Misc bug fixes.

r1.3.2

  • DataSource improvements: DefaultUriDataSource now handles http://, https://, file://, asset:// and content:// URIs automatically. It also handles file:///android_asset/* URIs, and file paths like /path/to/media.mp4 where the scheme is omitted.
  • HLS: Fix for some ID3 events being dropped.
  • HLS: Correctly handle 0x0 and floating point RESOLUTION tags.
  • Mp3Extractor: robustness improvements.

r1.3.1

  • No notes provided.