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Saraswati changelog

in progress

  • Add capability for storing audio without putting it into container. Thanks, @MKO1640.
  • Add audio formats "wav" and "WavPack". Thanks, @MKO1640.

2021-07-21 0.6.0

  • Don't automatically start tailing the log file after "saraswati setup"
  • Add systemd path-activation file in order to start the Saraswati service only after all USB sound devices have been registered by watching /dev/bus/usb.
  • Optionally use Ogg container format for audio recordings, by using the option --container-format=ogg or the SARASWATI_CONTAINER_FORMAT environment variable.

2021-06-23 0.5.0

  • Run recorder service task (checking for free disk space) each 10 seconds
  • Improve production setup documentation
  • Remove recording_ prefix from recorded file name. Thanks, @msweef.
  • Improve spool subdirectory hierarchy to reduce the number of files per directory. Thanks, Michael. The new scheme is /var/spool/saraswati/{year}/{month:02d}/{day:02d}/{channel}/{timestamp}_{channel}_{fragment:04d}.mka.
  • Use more ISO-like timestamp format, separating each datetime's fragments. Currently, %Y-%m-%dT%H-%M-%S%z is used.
  • Improve error handling on exceptions from "on_format_location" callbacks

2021-06-22 0.4.2

  • Improve user creation and production setup documentation

2021-06-22 0.4.1

  • Improve production setup documentation

2021-06-22 0.4.0

  • Prepare Saraswati to run as system service. There is now a corresponding command sudo saraswati setup --systemd which aids this.
  • Emit warning when no audio pipelines are defined

2021-06-21 0.3.2

  • Improve logging: Emit Gst.MessageType.WARNING messages from GStreamer pipelines

2021-06-21 0.3.1

  • Add guidelines for running Saraswati on Docker
  • Fix program flow when no --upload option is given

2021-06-21 0.3.0

  • Use 5 minutes recording chunk size as default
  • Protect against running out of disk space
  • Add uploader based on rsync. Thanks Roh and Diren!

2021-06-20 0.2.0

  • Adjust recording pipeline: Add audioconvert ! queue GStreamer elements after audio source
  • Improve documentation
  • Fix creating spool directory
  • Improve installation convenience by not depending on PyGObject-stubs at runtime

2021-06-20 0.1.0

  • Add project infrastructure
  • Adjust to API of GStreamer 1.18.4
  • Run software tests on CI/GHA
  • Refactor recorder program into "saraswati" module
  • Use ISO8601-like timestamps again
  • Significantly improve package and program structure
  • Make all relevant parameters configurable
  • Add command line entrypoint saraswati. Invoke saraswati --help in order to find out about its usage.
  • Improve documentation
  • Add CHANGES.rst
  • Ensure spool directory exists by automatically creating it
  • Fix selecting a custom recording location (--spool)

2019-10-10 0.0.0

  • Acquire audio from four channels, use accurate timestamp, add server transfer. Thanks, Diren!

2018-11-03 0.0.0

  • Add basic example for demonstrating the GStreamer Python bindings
  • Honor GStreamer 1.10.4
  • Store audio chunks to /var/spool/saraswati
  • Use chunk length of 10 seconds
  • Run on BeagleBone
  • Use .mka as filename extension for audio-only Matroska files