CHANGES.md

1.7.0 - 2020-09-28

• Builds with emscripten's LLVM upstream backend
  • Updated to build with emscripten 2.0.4
• Reduced amount of memory used between GC runs by reusing frame buffers
• Removed memoryLimit option
  • JS, Wasm, and threaded Wasm builds now all use dynamic memory growth
• Updated dav1d
• Updated libvpx to 1.8.1
• Experimental SIMD builds of AV1 decoder optional, with make SIMD=1
  • These work in Chrome with the "WebAssembly SIMD" flag enabled in chrome://flags/
  • Significant speed boost when available.
  • Available with and without multithreading.
  • Must enable explicitly with simd: true in options.
• Experimental SIMD work for VP9 as well, incomplete.

1.6.1 - 2019-06-18

• playbackSpeed attribute now supported
• updated audio-feeder to 0.4.21;
  • mono audio is now less loud, matching native playback better
  • audio resampling now uses linear interpolation for upscaling
  • fix for IE in bundling scenarios that use strict mode
  • tempo change support thanks to a great patch from velochy!
• updated yuv-canvas to 1.2.6;
  • fixes for capturing WebGL canvas as MediaStream
• fixes for seeks on low frame rate video
• updated emscripten toolchain to 1.38.36
  • drop OUTLINING_LIMIT from AV1 JS build; doesn't work in newer emscripten and not really needed

1.6.0 - 2019-02-26

• experimental support for AV1 video in WebM
• update buildchain to emscripten 1.38.28
• fix a stray global
• starting to move to ES6 classes and modules
• building with babel for ES5/IE11 compat
• updated eslint
• updated yuv-canvas to 1.2.4; fixes for software GL rendering
• updated audio-feeder to 0.4.15; fixes for resampling and Flash perf
• retooled buffer copies
• sync fix for audio packets with discard padding
• clients can pass a custom StreamFile instance as {stream:foo} in options. This can be useful for custom streaming until MSE interfaces are ready.
• refactored WebM keyframe detection
• prefill the frame pipeline as well as the audio pipeline before starting audio
• removed BINARYEN_IGNORE_IMPLICIT_TRAPS=1 option which can cause intermittent breakages
• changed download streaming method to avoid data corruption problem on certain files
• fix for seek on very short WebM files
• fix for replay-after-end-of-playback in WebM

1.5.8 - 2018-08-08

• fixes for a few stray globals
• update buildchain to emscripten 1.38.11
• update webpack to 4.x
  • minified main ogv.js endpoints
• opus built with --enable-float-approx
• fix display of WebM files with resolution changes
• fix green edges on some VP9 files
• update opus to 1.2.1
• update ogg to 1.3.3
• update vorbis to 1.3.6
• remove old 'delay-audio' A/V sync behavior mode
• added video, audio bitrate to stats & demo

1.5.7 - 2018-02-19

• fix for linear seek in audio/webm
• updated build chain to emscripten 1.37.34
• performance optimization for VP8 and VP9 on IE 11
  • roughly 15-25% performance improvement
  • uses direct multiplication instead of slow polyfill of Math.imul
• performance optimization for VP8 loop filter
  • roughly 10% performance improvement in Safari, Edge wasm builds
  • smaller improvement in JS
• performance optimization for Opus audio
  • now compiled with optimization, about 4x faster
• built module wrappers with closure compiler
  • shaves a few kilobites off load size
• updated audio-feeder to 0.4.9
  • volume changes now apply immediately on IE
  • float precision for audio on IE

1.5.6 - 2018-01-29

• detect and work around WebAssembly failure on iOS 11.2.2/11.2.5

1.5.5 - 2018-01-22

• allow linear seeking on WebM files without cues, such as audio/webm

1.5.4 - 2018-01-19

• updated yuv-canvas to 1.2.1
  • fixes playback on iOS 9
• fix loading of WebM files under 256kb

1.5.3 - 2018-01-18

• fix canPlayType() to recognize WebM
• updated build chain to emscripten 1.37.28
• minor internal source cleanup

1.5.2 - 2017-12-09

• use magic bytes sniffing to choose demuxer
  • fixes WebM in blobs and in Safari
• update to stream-file 0.2.3
  • fixes error loading blob URLs in Safari

1.5.1 - 2017-12-05

• use Content-Type to choose demuxer instead of URL extension (rolled back in 1.5.2)

1.5.0 - 2017-11-09

• cleaned up console logging
• enable WebM by default
• enable WebAssembly by default if available
• allow memory growth on WebAssembly
• build modules with -O3 instead of -O2
• disabled experimental pthreads build for now
• updated yuv-canvas
  • improved image filtering/scaling on Windows
  • work around broken object-fit on Edge 16
• updated stream-file to 0.2.1
  • fixes error on abort during network load

1.4.2 - 2017-04-24

• support 8-bit 4:2:2 and 4:4:4 subsampling in VP9

1.4.1 - 2017-04-07

• fix for seek shortly after initialization
• fix for some missing instance constants

1.4.0 - 2017-04-06

• fastSeek() is now fast; seeks to first keyframe found.
• VP9 base profile support in WebM container (8-bit 4:2:0 only).
• Safari no longer complains about missing es6-promise.map source map
• Smoother playback on low-end machines prone to lag spikes: when A/V sync lags, keep audio running smoothly and resync video at the next keyframe. To restore previous behavior, set sync: 'delay-audio' in options.
• Experimental Web Assembly builds of all modules; set wasm: true in options to force on.
• error property now returns an OGVMediaError object instead of string.
• Decode pipeline up to 3 frames deep to aid in momentary spikes.
• Experimental multithreaded JS builds for VP8 and VP9; set threading: true in options to force on.
• Fixed bad autodetection of files in root dir

1.3.1 - 2017-02-24

• Fix for seeking before load completes
• Fix for bisection seeking in very short Ogg files

1.3.0 - 2017-02-08

• Separated XHR and caching out to stream-file package
• more aggressive in-memory buffering should improve audio seek performance
• improved seek precision on audio files
• fix for Ogg files with stream id of 0

1.2.1 - 2016-09-24

• Performance fixed for playback of Ogg Theora with many duplicate frames ("1000fps" files from ffmpeg)
• Report actual fps (ignoring dupe frames) for Ogg Theora
• Delay loading when using preload="none"
• Fix regression in IE 10 network layer

1.2.0 - 2016-09-19

• Separated software and WebGL paths to yuv-canvas package
• fixed regression in WebM frame rate handling
• buffer up to 3 decoded frames for smoother playback
• smoother audio in the face of short delays (drop late frame if next one is already decoded)
• fixed regression in seeking non-indexed Ogg files
• updated libvpx

1.1.3 - 2016-06-27

• fix play-during-seek bug that interacted with video.js badly

1.1.2 - 2016-06-27

• better a/v sync
• muted autoplay works on iOS
• numerous seeking-related race-condition fixes
• more consistent performance on low-end machines
• supports cross-domain hosting of worker and Flash audio shim
• seeking now works in WebM as well as Ogg
• cleaner multithreading
• lots of little fixes

1.1.2-alpha.7 - 2016-06-21

• use cleaner audio buffer thresholds
• report time spent on worker proxy thread posting
• cleaned up order of ops in threading
• enforce a/v sync during slow frame decodes as well as at draw time
• use native object-fit when available, except on iOS
• allow loading workers cross-domain, if CORS is set up for base dir
• allow loading Flash audio shim cross-domain for IE 11

1.1.2-alpha.6 - 2016-06-06

• smoothed out CPU spikes from demuxer on slow machines (iPad 3)
• use XHR progress events to avoid hitting xhr.responseText early
• stream chunking fixes
• fixes for end of file
• pre-decode 1s of audio to smooth out beginning of playback a bit
• IE/Edge now uses Range-based chunking instead of MSStream for better proxy compatibility
• Fix for start of file when returned buffers are small
• Fix ended event for reals
• Fix end state when using muted audio

1.1.2-alpha.5 - 2016-06-04

• updated audio-feeder to 0.4.2 with IE and Web Audio fixes
• fix for hanging playback in certain threading conditions
• allow video decode and audio decode to be in parallel as well as drawing and decode
• pipeline multiple audio packet decodes for better slow IE perf
• fixes to late-frame a/v resynchronization
• new demo perf graph
• framecallback reports more per-frame info

1.1.2-alpha.4 - 2016-06-01

• use smaller streaming read chunk size on IE for smoother perf
• demux less aggressively
• lazy-extract buffers from strings on Safari for smoother demuxing perf on slow iOS
• tweak to liboggz to reduce ogg demux overhead on slow iOS
• retooled playback loop for better threading parallelism
• increased audio buffer sizes for smoother playback on slow machines
• recover from streaming timeouts in IE/Edge
• fix some streaming chunk-boundary bugs in Safari/Chrome/Firefox
• restore a/v sync much faster after late frames by pausing audio
• fixes for duplicate frame handling and "1000fps" Theora files

1.1.2-alpha.3 - 2016-05-28

• partial error handling of failure to load initial data

1.1.2-alpha.2 - 2016-05-28

• default video memory limit back to 32MB
• 'memoryLimit' option key to override video decoder memory limit

1.1.2-alpha.1 - 2016-05-28

• more seek fixes
• fixed bug in StreamFile buffering that broke some seeks
• retooled loop to avoid recursion crashes in Chrome
• enabled WebGL on more devices (no longer using failIfMajorPerformanceCaveat: true)
• fixed inflated CPU time reporting when using worker threads
• bumped up video codec memory limits to 64MB to aid with 4K testing

1.1.2-alpha.0 - 2016-05-22

• fix memory leak in WebM demuxer
• allow WebM files to play all the way to end
• implement seeking in WebM

1.1.1 - 2016-05-18

• fix for regression when hitting 'play' during loading
• fix for Theora streams with pathologically high frequency of dupe frames
• fix for unmuting after muted play on iOS
• when playback starts muted, drive on timer instead of audio clock
• update to audio-feeder 0.4.0
• much cleaner audio behavior on pause/continue
• revert "release audio resources during pause/seek"
• pause event now fired before ended
• avoid infinite 'ended' events
• fix slight a/v sync loss after pause/play
• release audio resources during pause/seek
• fix occasional loss of a/v sync after source switch
• loadeddata event now fired

1.1.0 - 2016-05-10

• fixed background tab audio performance
• fixed race condition in poster removal
• updated audio-feeder to 0.3.0
• refactored parts of build using webpack
• reduction in unnecessary globals
• added stubs for standard properties
• volume property now works
• seeking is much more reliable
• switching sources is much more reliable
• Chrome input corruption bug fixed
• console spam on oggs without skeleton track fixed

1.0 - 2015-09-04

• initial stable release, as used on Wikipedia