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Video Transcoding v0.19.0 Release Notes

  • Saturday, January 27, 2018

    • Add support for Dolby Digital Plus audio format, aka Enhanced AC-3, to transcode-video and convert-video with a new --ac3-encoder option for each tool. Also, extend the --ac3-bitrate and --pass-ac3-bitrate options in transcode-video to support higher bitrates, 768 and 1536 Kbps, available to Enhanced AC-3. Via #26.
      • WARNING: Dolby Digital Plus output is currently NOT COMPATIBLE with the MP4 file format when using transcode-video due to a limitation in HandBrakeCLI. This means that adding both --mp4 and --ac3-encoder eac3 to your command line will fail with the error "incompatible encoder 'eac3' for muxer 'av_mp4'."
      • Oddly enough, ffmpeg doesn't have this limitation so you'll be able to use convert-video --ac3-encoder eac3 to convert your MKV files into MP4 format without any problems. Go figure.
    • ✂ Remove "Can you add support for Enhanced AC-3 audio?" from the "FAQ" section of the "README" document, for obvious reasons. :)
    • ➕ Add --reverse-double-order option to transcode-video to reverse order of double-width audio output tracks. Thanks, @samhutchins! Via #184.
    • 🛠 Fix a bug in convert-video where the number of audio channels was wrong when tracks had to be transcoded. This was most noticeable for AAC output and appears due to a change in the behavior of ffmpeg.
    • 🖨 Append .inspect to all Hash objects used as Console.debug arguments. Apparently a change in the way Ruby works was preventing these objects from being printed, although I'm unsure about the specific version of Ruby in which this occurred.
    • ✂ Remove superfluous quotes in the --help output of transcode-video.
    • ✂ Remove the deprecated --cvbr and --vbr options in transcode-video and --player option in detect-crop.
    • 🙋 Revise my usage in the "FAQ" section of the "README" document since I no longer choose the default settings with transcode-video.
    • Re-order a few misplaced lines in the "History" section of the "README" document.
    • ⚡️ Update all copyright notices to the year 2018.