[FFmpeg-user] Speed up Transcode
thiles at confex.com
Fri Dec 6 19:22:13 CET 2013
Just a reminder to not include signature when communicating to group.
Admins will get mad.
Tim Hiles - A/V & Multimedia Specialist
The Conference Exchange - West Coast
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On Fri, Dec 6, 2013 at 10:17 AM, AS <peace at aleksandrsolzhenitsyn.net> wrote:
> On 13-12-06 08:02 AM, Carl Eugen Hoyos wrote:
> > <peace <at> aleksandrsolzhenitsyn.net> writes:
> >> Notebooks <at> Notebook-laptop:~/Videos$ ffmpeg -i Input.MTS
> >> -deinterlace -target ntsc-dvd Output.mpeg
> > Afaict, hardware is the limiting factor (I get
> > ten times realtime here).
> > Consider using -vf yadif instead of -deinterlace
> > which I suspect is a deprecated option.
> I tried the -vf yadif but there was no change in speed.
> >> Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
> >> yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 59.94 tbr,
> >> 90k tbn, 59.94 tbc
> > Unrelated:
> > Are you sure the stream is interlaced and not telecined?
> > It is a bad idea to use a deinterlacer on a telecined
> > input stream.
> Well, I don't know or would not know how to find out. The video files
> I'm working with are from a Sony HDR cx220 video camera. It produces the
> above mentioned avchd .MTS files.
> The good part is the transcoding to mpeg works perfectly (so it seems)
> so I can't complain.
> > Carl Eugen
> > _______________________________________________
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> > ffmpeg-user at ffmpeg.org
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