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Old 12-06-2018, 03:59 AM   #1
David Else
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Default Video cababilities in latest Reaper test versions on Linux

I am using 5.963dev1205 and trying to edit video I have converted in Handbrake to be editable in Reaper.


The source is 50fps 1080p .MTS sony camera. The computer is an i7 desktop.

At the moment I am converting to constant frame rate 25fps .m4v:

Video: 1920x1080@25.00fps, Aspect=1.00, Decoding format=I420/YV12
Audio: 48000Hz 2ch 32bps

Using ffmpeg/libav DLL decoder v58.18.100
Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 18046 kb/s
Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 160 kb/s

Is this a good video format to feed Reaper? I am getting:

Render Timings 61%, 0%, 70%, , 61% (average 491%)

and the video has a lot of green screen pausing and won't loop properly. The loop just ends up all green.

Should I expect to be able to edit a 1080p h264 video at 25fps OK in Linux right now? Could I use a different format for the conversion to get it working? Lossless? I can use FFMPEG command line to convert, or Handbrake accepts x264 settings. Cheers!
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