A custom HlsPlaylistParserFactory cannot be used anymore to play HLS streams.
This needs to be replaced by a custom HlsDataSourceFactory, which returns a ByteArrayDataSource (where the bytes of this DataSource correspond to the bytes of the playlist string) and a specified DataSource for other request types.
This model has two limitations:
- if media requests are relative, the URI from which the manifest comes from (either the manifest URI (preferred) or the master URI (if applicable)) must be returned, otherwise the content will be not playable, as it will be an invalid URL, or it may be treat as something unexpected, for instance as a file for DefaultDataSources;
- if the playlist is a master playlist, endless loops should be encountered because the DataSources created for media playlists will use the master playlist response instead of fetching the corresponding playlist. With the current model of HlsDataSourceFactory, there is no possibility to distinguish the playlist type or the URI that is requested.
If ExoPlayer provides a way to create HlsMediaSources with an HlsPlaylist in the future, it should be used instead of this solution.
This IllegalStateException, almost not reproducible, indicates that another SimpleCache instance uses the cache folder, which was so trying to be created at least twice.
Moving the SimpleCache creation in PlayerDataSource should avoid this exception.
Detailed changes:
- External players:
- Add a message instruction about stream selection;
- Add a message when there is no stream available for external players;
- Return now HLS, DASH and SmoothStreaming URL contents, in addition to progressive HTTP ones.
- Player:
- Support DASH, HLS and SmoothStreaming streams for videos, whether they are content URLs or the manifests themselves, in addition to progressive HTTP ones;
- Use a custom HttpDataSource to play YouTube contents, based of ExoPlayer's default one, which allows better spoofing of official clients (custom user-agent and headers (depending of the client used), use of range and rn (set dynamically by the DataSource) parameters);
- Fetch YouTube progressive contents as DASH streams, like official clients, support fully playback of livestreams which have ended recently and OTF streams;
- Use ExoPlayer's default retries count for contents on non-fatal errors (instead of Integer.MAX_VALUE for non-live contents and 5 for live contents).
- Download dialog:
- Add message about support of progressive HTTP streams only for downloading;
- Remove several duplicated code and update relevant usages;
- Support downloading of contents with an unknown media format.
- ListHelper:
- Catch NumberFormatException when trying to compare two video streams between them.
- Tests:
- Update ListHelperTest and StreamItemAdapterTest to fix breaking changes in the extractor.
- Other places:
- Fixes deprecation of changes made in the extractor;
- Improve some code related to the files changed.
- Issues fixed and/or improved with the changes:
- Seeking of PeerTube HLS streams (the duration shown was the one from the stream duration and not the one parsed, incomplete because HLS streams are fragmented MP4s with multiple sidx boxes, for which seeking is not supported by ExoPlayer) (the app now uses the HLS manifest returned for each quality, in the master playlist (not fetched and computed by the extractor));
- Crash when loading PeerTube streams with a separated audio;
- Lack of some streams on some YouTube videos (OTF streams);
- Loading times of YouTube streams, after a quality change or a playback start;
- View count of YouTube ended livestreams interpreted as watching count (this type of streams is not interpreted anymore as livestreams);
- Watchable time of YouTube ended livestreams;
- Playback of SoundCloud HLS-only tracks (which cannot be downloaded anymore because the workaround which was used is being removed by SoundCloud, so it has been removed from the extractor).
DefaultControlDispatcher was removed in ExoPlayer 2.16.0, so the class
extending it that handled play/pause was removed in #8020.
The new solution is to use an instance of ForwardingPlayer. Call
sessionConnector.setPlayer with an instance of ForwardingPlayer that
overrides play() and pause() and calls the callback methods.
added: MediaItemTag for ManagedMediaSources.
added: silent track for FailedMediaSource.
added: keyframe fast forward at initial playback buffer.
added: error notification on silently skipped streams.
- Add adjustment_step_key to settings_keys.xml to be used when
saving/loading the step size.
- Remove the global stepSize variable and the code that saves it to
outState/loads it from savedInstanceState because it's now saved to
Shared Preferences.
- Move initially setting step size to setupStepSizeSelector to be
consistent with the other view setup methods, using the value loaded
from Shared Preferences.
- Save the step size to Shared Preferences inside setStepSize.
Fixes: #7031
ExoPlayer's default behavior is to use a multiplication of target segment by a coefficient (3,5).
This coefficient (and this behavior) cannot be customized without using a custom HlsPlaylistTracker right now.
New behavior is to wait 15 seconds before throwing a PlaylistStuckException.
This should improve a lot HLS live streaming on (very) low-latency livestreams with buffering issues, especially on YouTube with their HLS manifests.
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