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Video Transcoding v0.17.3 Release Notes

  • Sunday, May 14, 2017

    • 0️⃣ HandBrakeCLI versions 1.0 and later changed the default frame rate mode from "constant" to "peak-limited" when a rate is specified. This new behavior in HandBrakeCLI requires two significant changes in transcode-video:
      • Fix a bug where the --force-rate option failed to force a constant frame rate. This bug made it behave essentially the same at the --limit-rate option.
      • Fix a bug where a constant frame rate was not forced for inputs containing MPEG-2 video. This bug affected the transcoding of all DVDs but very few Blu-ray Discs. The good news is that this bug probably didn't cause visual problems since the new default peak-limited implementation in HandBrakeCLI versions 1.0 and later worked like a constant frame rate most of the time.
    • 🏁 Modify convert-video to use binary file mode when reading and writing console and log output from ffmpeg. This eliminates redundant information and "console spew" on Windows by suppressing the EOL <-> CRLF conversion. Thanks, @samhutchins! Via #147.
    • 🏁 Also modify transcode-video and convert-video to use binary file mode when processing console I/O from mkvpropedit and mp4track to eliminate that same "console spew" on Windows.
    • 🏁 Modify detect-crop to escape preview commands for cmd.exe and PowerShell on Windows in a manner that's still compatible with Bourne and Z shells. Also mention in the "Using detect-crop" section of the "README" document that path names within the sample commands are not escaped properly when using cmd.exe or PowerShell on Windows and that bash.exe can be used as a workaround. Via #146.
    • Modify transcode-video to accept x264_10bit, x265_10bit, x265_12bit and x265_16bit as supported encoders while also adjusting the encoder profile for these variants. Via #143.
    • Modify transcode-video to no longer set the x264 encoder level if a frame rate has been requested higher than 30 FPS. Via #141.