[FFmpeg-user] On the recovery behavior of HLS muxer when slaved to tee'd fifo muxers in ffmpeg.

Four months ago, I posted a ticket on trac, #8387, see https://trac.ffmpeg.org/ticket/8387 Which described an anomaly with the recovery behavior of the underlying HLS muxers called up via the tee's fifo slaves. More details in the ticket. What I've discovered by extensively studying this

Re: [FFmpeg-user] On the recovery behavior of HLS muxer when slaved to tee'd fifo muxers in ffmpeg.

On Wed, 25 Mar 2020 at 08:27, Dennis Mungai wrote: > Four months ago, I posted a ticket on trac, #8387, see > https://trac.ffmpeg.org/ticket/8387 > > Which described an anomaly with the recovery behavior of the underlying > HLS muxers called up via the tee's fifo slaves. More details in the

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

Hi, > I "disabled" audio from Pygame by > > import os > os.putenv('SDL_AUDIODRIVER', 'dummy') > os.putenv('SDL_AUDIODEV', '/dev/null') > > which worked. Thanks for help! Oh.. I guess I was wrong, I feel like there must be a way to configure the sound from within pygame instead of setting an

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

Am Di., 24. März 2020 um 21:50 Uhr schrieb Tarjei Bærland : > frame= 578 fps= 30 q=-1.0 Lsize=1207kB time=00:00:19.25 bitrate= > 513.6kbits/s dup=157 drop=9 speed=1.01x mkv output may avoid the duplicated frames and lead to smaller files. (FFmpeg's mov / mp4 muxer does not support variable

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

> > > With the risk of sounding ignorant ... how would I "grab hardware device > > exclusively"? > > To use an account part of the audio group and specifying an actual > hardware device should be enough to do this. I am not sure what the > difference between cards and devices are to alsa tbh, but

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

Hi, > With the risk of sounding ignorant ... how would I "grab hardware device > exclusively"? To use an account part of the audio group and specifying an actual hardware device should be enough to do this. I am not sure what the difference between cards and devices are to alsa tbh, but I

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

Hi again! I "disabled" audio from Pygame by import os os.putenv('SDL_AUDIODRIVER', 'dummy') os.putenv('SDL_AUDIODEV', '/dev/null') which worked. Thanks for help! How, however, could I ensure something like this not happening when I launch another program who would like access to my default

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

tir. 24. mar. 2020 kl. 21:40 skrev Ted Park : > Hi, > > If you only need mic audio, grab hardware device exclusively or make sure > pygame doesn’t touch the same card/device. > > Regards, > Ted Park > > With the risk of sounding ignorant ... how would I "grab hardware device exclusively"? I

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

I start the same python program as in the youtube movie after about 10 seconds here. To the same effect. ffmpeg version n4.2.2 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 9.2.1 (Arch Linux 9.2.1+20200130-2) 20200130 configuration: --prefix=/usr --disable-debug

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

Hi, If you only need mic audio, grab hardware device exclusively or make sure pygame doesn’t touch the same card/device. Regards, Ted Park ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] Screenrecording, audio is sped up when other process starts

On Tue, 24 Mar 2020 at 21:04 Tarjei Bærland wrote: > Hello! > > I have an issue where my audio is sped up when I start certain process > while running ffmpeg. You can hear it after about 13 seconds in this video: > https://www.youtube.com/watch?v=aGr2pDgZ_6k (it's in Norwegian and > informal, as

[FFmpeg-user] Screenrecording, audio is sped up when other process starts

Hello! I have an issue where my audio is sped up when I start certain process while running ffmpeg. You can hear it after about 13 seconds in this video: https://www.youtube.com/watch?v=aGr2pDgZ_6k (it's in Norwegian and informal, as it is meant for fourteen highschool students), where it happens

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

Am Di., 24. März 2020 um 16:07 Uhr schrieb Peter Alderson : > On iPhones running iOS 11, if a video is pre-recorded and uploaded I get the > following > errors:- ( ie, the video is recoded on the iPhone and then uploaded as an > attachment ). > > $ ./ffmpeg -i .mov -vcodec h264 -acodec mp4

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

Hi, > FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard > Mac OSX universal build for ffmpegX Are you running a PPC Mac? I wonder how you were led to download this. Regards, Ted Park ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] Encode metadata into jpg and png

Hi, is there a way to encode any arbitrary metadata into jpg or png files using ffmpeg? I am looking for a way to "mark" files as coming from a certain source. I don't care what kind of metadata it would be in, e.g. EXIF, IPTC or whatever. Any arbitrary string or number would work. Thanks,

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

On 3/24/2020 9:05 AM, Peter Alderson wrote: How do I stop top-posting? Check the docs for your email client or google it? If you're using gmail in a browser, click on the three dots at the bottom to expand the quoted text, then edit from there. And if you haven't already, take a look at

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

How do I stop top-posting? Also I have now installed 4.2.2. ( 2019 ). ( which is the latest homebrew version ) And I now when converting from .mov ( saved Video ) from iOS 11 I get error... [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7ff72f801600] moov atom not found Peter > On 24 Mar 2020, at 15:31,

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

On Tue, Mar 24, 2020 at 15:21:02 +, Peter Alderson wrote: > It’s what https://www.ffmpeg.org/ is Downloading > today ! (That page just links to two other external sites. Binaries are not provided by the project ffmpeg itself.) No, those are very modern versions of

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

On 3/24/2020 8:21 AM, Peter Alderson wrote: It’s whathttps://www.ffmpeg.org/ is Downloading today ! Please give the link which is doing that; I just checked the MacOS sites and they all have up-to-date builds. Note that the ffmpeg site says "FFmpeg only provides

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

It’s what https://www.ffmpeg.org/ is Downloading today ! > On 24 Mar 2020, at 15:18, Carl Zwanzig wrote: > > On 3/24/2020 8:02 AM, Peter Alderson wrote: >> FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard > > You

Re: [FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

On 3/24/2020 8:02 AM, Peter Alderson wrote: FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard You might start with a newer version of ffmpeg- in computer years, that's pre-dinosaur age. z! ___

[FFmpeg-user] Converting Quicktime (.mov ) from iPhone to mp4

On iPhones running iOS 11, if a video is pre-recorded and uploaded I get the following errors:- ( ie, the video is recoded on the iPhone and then uploaded as an attachment ). $ ./ffmpeg -i .mov -vcodec h264 -acodec mp4 test-output.mp4 FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard

Re: [FFmpeg-user] typo in vf_hue.c

On 24-03-2020 01:38 am, Michael Koch wrote: Am 23.03.2020 um 21:03 schrieb Gyan Doshi: On 24-03-2020 01:20 am, Michael Koch wrote: There is a small typo in vf_hue.c  line 139. It's only a comment. The range must be [16;240]. Patch welcome. I can make the change if you don't want to.

Re: [FFmpeg-user] How to hardcode subtitles

On Mon, Mar 23, 2020 at 20:48:01 -0400, Andy wrote: > There are 3 subtitles in the file, how do I choose the correct subtitles? [...] > Input #0, matroska,webm, from > 'LImmortale.2019.BluRay.1080xH264.Ita.AC3.5.1.Sub.Eng.Ita.mkv': > Metadata: > title : Encoded By realDMDJ >