Releases Notes

Implements license persistence at application layer (protection model 21Jan2015) according to player configuration (by default no license persistence)
[MSS] Add support for MSS static streams starting at t > 0 (live delinearization use case)
[HLS] Add support for HLSv5 streams (multiple audio/subtitle tracks/streams)
[HLS] Add support for VTT subtitles
[HLS] Add support for DVR mode
Provide absolute program date/time (if available) for DVR window range (see MediaPlayer.getDVRWindowRange())
Bugs fixing:
- [MSS] Correct 'IsLive' parameter parsing in case
- [MSS] Fix use case where 'FourCC' field is an empty string
- [HLS] Fix regression on MPEGTS packets demultiplexing
- [HLS] Correct H.264 SPS parsing to retrieve video's width and height values

Add support for TTML origin defined with field 'c'
Bugs fixing:
- Fix compatibility issue with Smooth streaming Streams in CENC/PIFF1.3 format

Handle Firefox's MSE and timestamping based on CTS/PTS (and not DTS like on other browsers)
Add 'subType' information for tracks (MediaPlayer.getTracks()) to differentiate HoH subtitles
Add configuration parameter 'liveDelay' (that enables to get around 412 precondition failed errors raised by some MSS streaming servers)
Add support for subtitles as images
Add possibility to attach an HTML div element to be used to render rich TTML subtitles
Enhance TTML subtitles parsing and display (showBackground, opacity, font style, size and resolution, etc)
Add AES128 decryption support for HLS streams
Bugs fixing:
- Fix regression on segments processing errors catching
- Fix issue on buffer gaps on Edge in case of discording timestamps between the manifest and the segments
- Fix KEY_ERR_OUTPUT ('output-restricted') error not raised when restarting (stop then play) a stream
- Fix HLS sessions reloading when some segment download failed
- Fix potential incorrect seeking to another previously buffered range
- Fix 'ended' event not raised when playing was started at time > 0
- Fix ABR resetting when trick mode was previously enabled

Raise "MEDIA_KEYERR_OUTPUT" error when output display is restricted by a Widevine license
Enhance TTML to WebVTT transcoding for subtitles on multiple lines and empty subtitles
Optimized track switching mechanism to avoid playback error on Firefox

Automatic building, deployment and functional testing (based on Travis and BrowserStack)
DVR: disable seeking within buffering window before live edge
Add 'startTime' parameter in input stream to enable playback start at given time
Bugs fixing:
- Fix stop playing when buffer reached on IE11 and Edge
- Fix DVR window range update when paused
- Fix regression on 'ended' event firing
- Fast zapping error (consolidate load and reset process)
- Correct ABR rules in case of aborted or abandoned requests
- Patch for Safari which faces an issue with MSE buffer removing
- Correct display of subtitles on multiple lines
- Correct display of subtitles with no layout and style
- External TTML subtitles file management
- TTML style parsing
- Correct regression on abandon request rule
- Correct 'ended' event detection when trick mode is enabled
- Correct PlayReady CDM data to disable proactive (pre-delivery) license acquisition

Refactored and enriched MediaPlayer API
Add MediaPlayer plugins framework
Add new ABR rule considering dropped frames
DVR mode enhancement for MSS with FrgmentInfo requests to keep DVR window up to date
Corrected VOD streams management (no manifest refresh while switching tracks, ...)
Build: use gulp framework (instead of grunt)
Add new errors for HLS demultiplexing errors ('HLS_DEMUX_ERROR')
Bugs fixing:
- Mute state reset when load a new stream
- Crash in HLS demultiplexing when no audio packet in stream
- MANIFEST_ERR_PARSE (instead of DOWNLOAD_ERR_MANIFEST) when failed to download HLS variant stream playlist
- Byte-range requests for DASH contents
- Support for unknown MP4 boxes

Bugs fixing:
- HLS support on Firefox
- Correct seeking and live start time management (BufferController's working time handling, seek to removed buffer ranges, etc)
- TTML parsing and VTT cues buffering management
- Correct manifest download error in case of automatic session reloading
Add DVR support
Add trick mode support (fast forward and rewind)
Add retry for HLS variants streams playlists requests
Add session type parameter in input protection data
Add INTERNAL_ERROR for initialization and media segments processing exceptions

EME support updated from dash.js
Add MediaKeySession persistance within MediaPlayer instance (useful for chrome that do not support persistance natively)
Enhance playback startup time (zapping time)
Robust resetting process
Optimize MSS to DASH manifest transcoding
Add segment dowloading abandonment functionality in case of drop bandwidth
Refactor tracks language switching
Refactor error events and add warning events
Report HTTP status code when manifest/segment/license downloading fails
Report error code contained in licenser server response body
Segment download error robustness (automatic session reload when buffer becomes underflow)
Switch off/on text track downloading when subtitles are disabled/enabled
And many bugs fixing

HLS support
EME support refactoring with multiple versions support (taken from dash.js project)
PlayReady to Widevine content protection conversion (requires coordination between PlayReady and Widevine licensers)
Configuration mechanism for streaming and ABR controllers
Enhanced errors handling
Fallback mechanism for segment download failure
Optimized ABR rules
Enhanced TTML subtitles support
Configurable build process (protocol(s), EME support)
And many bug corrections

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