Le primidi 11 nivôse, an CCXXIII, Zsolt a écrit :
> I'm wondering which is the fastest (least CPU usage) way to encode video
> losslessly. I sometimes want to record the desktop, but I have a rather
> older CPU and I have trouble encoding the full screen area real time. Which
> codec with which set
Or, you can use the YUV4MPEG format which will be very quick, but it will
take up a fuck ton of space. 10 minutes of 1080p video will take up about
100GB.
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APNG is an extension to PNG allowing multiple frames, the fact that it's
commonly used like gif means nothing. it can do exactly what you're asking
about.
otherwise, you're gonna have to losslessly encode it with x264 and that
will take forever.
these are your choices.
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2014-12-31 23:05 GMT+01:00 Marcus Johnson :
> What are you using to record your video? ffmpeg? if so, you can set the
> vcodec to apng, and the acodec to pcm, or flac, or whatever audio codec you
> like and you should be set.
>
Apng is an animated image format, isn't it? And is not supported by f
On Wed, Dec 31, 2014 at 4:16 AM, Yafes Sahin
wrote:
> So what is the right way of streaming raw-input from a camera or any
> raw-video source.
I'd capture the raw data, wrap it in UDP packets, and send it manually
over the wire. You could do this very easily with any programming
language of your
What are you using to record your video? ffmpeg? if so, you can set the
vcodec to apng, and the acodec to pcm, or flac, or whatever audio codec you
like and you should be set.
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2014-12-31 21:10 GMT+01:00 Marcus Johnson :
> If the video you're recording is short, you may just want to record to a
> series of pngs, or bmps, then encode that to x264 or whateve.
>
Well, it seems a tad messy and complicated, plus I'd like to have audio
too. But maybe a good uncompressed video
If the video you're recording is short, you may just want to record to a
series of pngs, or bmps, then encode that to x264 or whateve.
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2014-12-31 18:18 GMT+01:00 Maxim Kozlov :
> try mpeg2
>
That may be fast, but I doubt there's a lossless mode.
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try mpeg2
2014-12-31 16:57 GMT+03:00 Zsolt :
> Hello!
>
> I'm wondering which is the fastest (least CPU usage) way to encode video
> losslessly. I sometimes want to record the desktop, but I have a rather
> older CPU and I have trouble encoding the full screen area real time. Which
> codec with w
Hi again,
I'm having a second issue with this same file.
The duration of the audio and the video do not match in the source file, and it
differs also in the output from FFMPEG.
How to make sure the duration of both streams match in the output?
I have tried the "-shortest" command with no effect
Hello!
I have this problem with recording the desktop. Actual recording/encoding
only starts if something is outputting audio or something changes on the
screen. (Mouse movements don't count apparently, although it's set to show)
So I get a freeze frame for seconds, and whatever audio starts playi
Hello!
I'm wondering which is the fastest (least CPU usage) way to encode video
losslessly. I sometimes want to record the desktop, but I have a rather
older CPU and I have trouble encoding the full screen area real time. Which
codec with which setting is the fastest? Or if its variable, which are
Dear Friend,
We have tried porting FFMPEG to iOS 8.0 and made the following changes
to the main function , We have replaced it with our own implementation
ffmpegInit(). Following are the contents of the function as it starts.
char **argv=malloc(14*sizeof(char*));
int argc=14;
argv[1
Worked! Thank you so much!
- Mail original -
De: "Carl Eugen Hoyos"
À: ffmpeg-user@ffmpeg.org
Envoyé: Mardi 30 Décembre 2014 10:17:52
Objet: Re: [FFmpeg-user] Unable to change time base / tbn
free.fr> writes:
> ffmpeg -i '/input.mov' -r 25 -vf settb=1/25
> -vcodec dvvideo -acodec p
On Sun, Dec 28, 2014 at 04:12:31PM -0500, Linov Suresh wrote:
[...]
> gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -std=c99
> -fomit-frame-pointer -fPIC -pthread -I/usr/include/fribidi
> -I/usr/include/freetype2 -c -o /tmp/f
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