[CinCV TNG] Need help for basic video editing

mag m. 3neurons at riseup.net
Wed Dec 14 23:18:45 CET 2016


also this manual in english might help you
http://www.g-raffa.eu/Cinelerra/HOWTO/loading.html


Le 2016-12-14 11:15 pm, mag m. a écrit :
> Hi Johannes,
> i 'll try to help you telling you how i use it as user,
> 
> i encode the footages with ffmpeg in an intraframes format, like an
> mjpeg, cinelerra likes it normally,
> i use this line : for x in *.MOV ; do ffmpeg -i "$x" -qscale 1 -vf
> yadif "convert$x.mov" ; done
> 
> to trim, this is with the 3 buttons of the mouse, try them, each of
> them a different type of trim.
> you can configure them in the tab "user interface" ,
> 
> for bightness, this is with the effect brightness, drag and dropping
> into the footage in the videotrack, or right click on the video
> footage and attach effect (first line)
> and choose it. You can use also the histogram to manage the brightness
> 
> transition, same than the effect, but better to drag and drop it, you
> 'll find it in video transition in the window resources (i don't know
> in english how it's called).
> you have the transitions' options with a right click on the transition
> put in between 2 footages.
> 
> you don't have to downscale.
> 
> I use to export what i call a "master" that i'll decline through
> ffmpeg. from cinelerra cv i output in quicktime for linux and with
> jpeg codec,
> i have a good quality video and then for the web, i do :
> ffmpeg -i '/media/HD/VIDEO/myvideo.mov' -ab 256k -vcodec libx264 -b
> 10000k 'Bureau/myvideooutput.mp4'
> 
> I hope it helps!
> 
> Magali
> 
> 
> Le 2016-12-14 10:42 pm, Johannes Sixt a écrit :
>> Sigh, so I know how to write software, but have zero plan how to
>> handle video when it comes to modern formats. Could you kindly point
>> me into the right direction?
>> 
>> I need to do some trimming, brightness adjustment, transitions. The
>> video should be uploaded to Youtube, ca. 8 minutes total. What output
>> format should I choose? Should I downscale?
>> 
>> Playback of audio is fine, but video is choppy, like max 2 frames per
>> second. Should I reencode to something else?
>> 
>> Preferably, I would use CV version.
>> 
>> Footage is from an Olympus (photo) camera. ffprobe reports this:
>> 
>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'PC110082.MOV':
>>   Metadata:
>>     major_brand     : qt
>>     minor_version   : 537986816
>>     compatible_brands: qt
>>     creation_time   : 2016-12-11 12:04:18
>>   Duration: 00:01:35.52, start: 0.000000, bitrate: 29545 kb/s
>>     Stream #0:0(jpn): Video: h264 (High) (avc1 / 0x31637661),
>> yuvj420p(pc, smpte170m), 1920x1080 [SAR 1:1 DAR 16:9], 27931 kb/s, 50
>> fps, 50 tbr, 180k tbn, 100 tbc (default)
>>     Metadata:
>>       creation_time   : 2016-12-11 12:04:18
>>       timecode        : 00:19:20:04
>>     Stream #0:1(jpn): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
>> 2 channels, s16, 1536 kb/s (default)
>>     Metadata:
>>       creation_time   : 2016-12-11 12:04:18
>>       timecode        : 00:19:20:04
>>     Stream #0:2(jpn): Data: none (tmcd / 0x64636D74), 1 kb/s (default)
>>     Metadata:
>>       creation_time   : 2016-12-11 12:04:18
>>       timecode        : 00:19:20:04
>> Unsupported codec with id 0 for input stream 2
>> 
>> I see this on the console a lot:
>> 
>> [h264 @ 0x7fc56011d5f0]brainfart cropping not supported, this could
>> look slightly wrong ...
>> 
>> Thanks for any advice,
>> -- Hannes
>> _______________________________________________
>> Cinelerra mailing list
>> Cinelerra at lists.cinelerra-cv.org
>> http://lists.cinelerra-cv.org/cgi-bin/mailman/listinfo/cinelerra



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