[FFmpeg-user] including all audio streams problem

Hi, I’m trying to take a video to an audio only file including all audio streams but it doesn’t work for some reason. Can anyone help explain why? Thanks! (Note - it works fine if the output is .m4a) Last login: Sat Sep 5 12:08:18 on ttys004 toms-Mac:~ mahalko$ /Users/mahalko/Desktop/ffmpe

[FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

Hello, i am experimenting with desktop video/audio capturing this is the command i used: ffmpeg -f alsa -ac 2 -i default -f x11grab -r 30 -s 1920x1200 -i :0.0+1680,0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -crf 0 -threads 0 testout.mkv this kind of worked but the audio in the resultin

Re: [FFmpeg-user] Invalid duration specification for force_key_frames

On Fri, Sep 04, 2015 at 13:42:47 -0800, Lou wrote: > On Thu, 3 Sep 2015 15:39:15 +0200 > Moritz Barsnick wrote: > > > I always have my problems decoding this N-36084-g993c84e stuff (why > > can't any of the git web interfaces search for g993c84e?) > > 993c84e (notice no "g" prefix) That was a "

Re: [FFmpeg-user] Invalid duration specification for force_key_frames

On Thu, 3 Sep 2015 15:39:15 +0200 Moritz Barsnick wrote: > I always have my problems decoding this N-36084-g993c84e stuff (why > can't any of the git web interfaces search for g993c84e?) 993c84e (notice no "g" prefix) does not appear to be a valid abbreviated commit hash for any commit in the re

Re: [FFmpeg-user] decoding jpeg2000 problem

> > Iirc, ImageMagick does not support xyz, so this is always > broken. ImageMagick does support xyz. The correct commad line for XYZ to RGB conversion can be found here . I always felt that previous versions of FFmpeg missed the

Re: [FFmpeg-user] decoding jpeg2000 problem

Paul B Mahol gmail.com> writes: > >> Compare native decoder output with one from ImageMagick. > > > > Iirc, ImageMagick does not support xyz, so this is always > > broken. > > Colors are broken but there is no banding. Yes, and you get the same broken colours without banding if you don't conve

Re: [FFmpeg-user] decoding jpeg2000 problem

On 9/4/15, Carl Eugen Hoyos wrote: > Paul B Mahol gmail.com> writes: > >> Compare native decoder output with one from ImageMagick. > > Iirc, ImageMagick does not support xyz, so this is always > broken. Colors are broken but there is no banding. ___ ff

Re: [FFmpeg-user] decoding jpeg2000 problem

Paul B Mahol gmail.com> writes: > Compare native decoder output with one from ImageMagick. Iirc, ImageMagick does not support xyz, so this is always broken. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/lis

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > If I include -pix_fmt xyz12, the colours are OK, > but the dark levels seem posterized. So it seems that Paul and I were wrong and the issue is the xyz -> rgb conversion. I believe there was another possibility to convert, not sure if I remember correctly;-(

Re: [FFmpeg-user] decoding jpeg2000 problem

On 4 September 2015 at 15:45, Paul B Mahol wrote: > On 9/4/15, Carl Eugen Hoyos wrote: > > Carles Vila gmail.com> writes: > > > >> Here's the command line. I had to include > >> -pix_fmt xyz12le in order to have it detect > >> xyz of the jpeg2000. > >> However, the output still looks posterized

Re: [FFmpeg-user] decoding jpeg2000 problem

On 9/4/15, Carl Eugen Hoyos wrote: > Carles Vila gmail.com> writes: > >> Here's the command line. I had to include >> -pix_fmt xyz12le in order to have it detect >> xyz of the jpeg2000. >> However, the output still looks posterized. > > I am not sure if I understand the word posterized, > but con

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > Here's the command line. I had to include > -pix_fmt xyz12le in order to have it detect > xyz of the jpeg2000. > However, the output still looks posterized. I am not sure if I understand the word posterized, but concerning "still" the output looks very differ

Re: [FFmpeg-user] decoding jpeg2000 problem

On 4 September 2015 at 14:28, Carl Eugen Hoyos wrote: > Carles Vila gmail.com> writes: > > > Anyway I'm going to update to the latest version. > > Please do and report back. > (There may be a regression...) > > Carl Eugen > > ___ > ffmpeg-user mailing

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > I've tested the -vcodec libopenjpeg and indeed the > quantization artifacts are gone! But it fails to > do the xyz->rgb conversion. (Without this option > it does the conversion autamatically) Any option > to force it? $ ffmpeg -vcodec libopenjpeg -pix_fmt xyz

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > Anyway I'm going to update to the latest version. Please do and report back. (There may be a regression...) Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] decoding jpeg2000 problem

On 4 September 2015 at 12:17, Carl Eugen Hoyos wrote: > Carles Vila gmail.com> writes: > > > I've run into a problem when converting a j2c image > > sequence to ProRes. > > Sorry, I thought the artefacts are intended... > > You need to use ffmpeg -vcodec libopenjpeg -i frm%6d.j2c > to use the li

[FFmpeg-user] ffserver command to stop any particular feed

I am running ffserver to stream live events. As an admin to ffserver how can I stop or kill any particular feed which is already running. regards dk venkatesh babu ___ ffmpeg-user mailing list ffmpeg-user@ffmp

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > I've run into a problem when converting a j2c image > sequence to ProRes. Sorry, I thought the artefacts are intended... You need to use ffmpeg -vcodec libopenjpeg -i frm%6d.j2c to use the libopenjpeg decoder. I updated the ticket, Carl Eugen ___

Re: [FFmpeg-user] decoding jpeg2000 problem

On 9/4/15, Carl Eugen Hoyos wrote: > Carles Vila gmail.com> writes: > >> I've run into a problem when converting a j2c >> image sequence to ProRes. > > First, please update to current FFmpeg git head, > nothing else is supported here. > > You are using --enable-libopenjpeg in your > configure lin

Re: [FFmpeg-user] Invalid duration specification for force_key_frames

thanks, recompiling latest version of x264 and ffmpeg solved the problem! Not sure what happened a few months ago, must have installed an old version indeed. Thanks for your help, best regards, Frans 2015-09-03 15:39 GMT+02:00 Moritz Barsnick : > On Thu, Sep 03, 2015 at 15:03:34 +0200, Frans

Re: [FFmpeg-user] decoding jpeg2000 problem

Carles Vila gmail.com> writes: > I've run into a problem when converting a j2c > image sequence to ProRes. First, please update to current FFmpeg git head, nothing else is supported here. You are using --enable-libopenjpeg in your configure line but I suspect it has no effect for your decod

[FFmpeg-user] decoding jpeg2000 problem

Hi all, I've run into a problem when converting a j2c image sequence to ProRes. The dark levels look horrible, especially dark gradients, which seem like posterized. The bright levels seem to look better. I think it's a problem related to 12 bit to 10 bit conversion. Is there anything I can do to m