[FFmpeg-user] Speed up Transcode

[Tim Hiles]

like I just did.


case in point.


> 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.
>>
>> Thanks,
>>
>> Alek
>>
>> >
>> > Carl Eugen
>>
>> Carl,
>>
>>
>>
>>
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>>
>>
>>
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>