v1.0.0

Added

• New highly configurable statuscode parameter for cyclic bad segment request responses
• New URL parameter traffic to simulate periodic issues with fetching segments.
• Dockerfile to build a minimal Docker image with sample test content

Changed

• Upgrade to Go 1.21
• Changed logging to slog instead of zerolog. Log levels limited to DEBUG, INFO, WARN, ERROR.

Fixed

• Vertical spacing for buttons on web pages

v0.9.0

Added

• Support for audio segments not matching video duration. Audio timing follows video by resegmentation
• Test content with 29.97fps with and without audio beeps
• /debug/pprof entry for profiling
• log url and location for redirected HTTP requests

Changed

• The online player is now proxied via /player when livesim2 runs with http
• The online playURL should now including scheme
• repdata (representation data on disk) format extended with commonSampleDuration
• writerepdata option writes repdata even if existing

Fixed

• added muted=true to default playURL
• HTTP 410 Gone response for segments before timeShiftBufferDepth
• limited methods in OPTIONS response

v0.8.0

Added

• Prometheus counters and histograms for request timing
• Direct links to play assets mapped to latest dash.js with http or https scheme
• Timing-Allow-Origin header to enable more detailed timing in client
• /genurl page with URL generator supporting all URL parameters
• /reqcount page for checking requests per interval
• New option to log requests per interval to a file

Changed

• The / page has been slightly rewritten
• The /assets and /vod pages slightly changed
• The request limit interval can now be configured

Fixed

• utc-timing URLs use https scheme

v0.7.0

Added

• much improved information web pages. Extracts MPD information from ProgramInformation inside MPDs.
• Full URLs to assets is listed and can be copied to clipboard from pages /assets and /vod
• support for /scte35_x URL config to insert periodic SCTE-35 emsg message (1, 2, or 3 per minute)
• server startup boost by loading (and writing) previously generated gzipped tar files with representation metadata
• new configuration parameters repdataroot and writerepdata to control this
• HTTP redirect from /livesim to /livesim2 and /dash/vod to /vod for compatibility with livesim1
• support assets with stpp subtitles in both text and image format. New test content added
• support DASH-IF thumbnails including multi-period. New test content added
• new URL parameter timesubswvtt provides generated timing wvtt subtitles
• timesubsstpp and timesubswvtt now work with SegmentTimeline
• continuous_1 URL parameter to signal multiperiod continuity
• Automatic Let's Encrypt certificates for HTTPS for one or more domains via domains parameter

Fixed

• /ato_inf (infinite availability offset) now makes all segments in past and future available

v0.6.0

Changed

• moved list URL parameters to livesim2 wiki

Added

• new URL parameter periods provides multiple periods (n <= 60 per hours, segment and period durations must be compatible)
• new URL parameter segtimelinenr turns on SegmentTimeline with $Number$ addressing
• new URL parameter mup to set minimumUpdatePeriod in MPD
• new URL parameter subsstppreg can set vertical region
• new URL parameter ltgt sets latency target in milliseconds
• new URL parameter utc to set one, multiple, or zero UTCTiming methods
• new functionality to handle relative start and stop times by generating a Location element
• new config parameters scheme and host to be used in generated Location and BaseURL elements

Fixed

• PublishTime now reflects the last change in MPD in ms and not current time.
• availabilityTimeOffset now gives the right PublishTime value for complete segments
• infinite availabilityTimeOffset for SegmentTimeline now results in an error
• Git version and date inserted properly when running "make build"
• livesim2 version header inserted in every HTTP response
• start-over case with start and stop time now provides proper dynamic and static MPDs

v0.5.1

Fixed

• make ato=inf work, i.e. infinite availabilityTimeOffset

Added

• list of complete MPD paths in /assets response

v0.5.0 - First public release

• First public release and version
• dash-fetcher tool to fetch a DASH asset online
• livesim2 server to stream simulated DASH live
• supports SegmentTimeline with $Time$
• supports SegmentTempalte with $Number$
• supports low-latency mode with on-the-fly chunking
• features and URLs listed at livesim2 root page
• configurable generated stpp subtitles with timing info