Re: [FFmpeg-user] why ffplay cannot decode a sequence that can be decoded by ffmpeg

2018-06-09 Thread Moritz Barsnick
On Sat, Jun 09, 2018 at 21:44:28 +0200, Carl Eugen Hoyos wrote: > ffmpeg (the application) supports several audio output > devices like alsa, pulse and oss. They may be what > you need. But Mohammed's input video didn't even have an audio stream? I'm still convinced it's either an ffplay bug, or

Re: [FFmpeg-user] Uploading output of ffmpeg to AWS S3

2018-06-09 Thread Carl Eugen Hoyos
2018-06-07 14:09 GMT+02:00, tarun singhal : > ffmpeg -i -an -r 2 -t 60 -f image2 -vcodec mjpeg > pipe:a_%0d.jpg | aws s3 cp - s3://ffmpegbucket-1/ Assuming you can make the pipe work, use -f rawvideo instead of -f image2 Carl Eugen ___ ffmpeg-user mai

Re: [FFmpeg-user] why ffplay cannot decode a sequence that can be decoded by ffmpeg

2018-06-09 Thread Carl Eugen Hoyos
2018-06-07 17:25 GMT+02:00, mohammed bey ahmed khernache : > xcb_connection_has_error() returned true I believe this is not an FFplay error, probably SDL. ffmpeg (the application) supports several audio output devices like alsa, pulse and oss. They may be what you need. Carl Eugen _

Re: [FFmpeg-user] ffmpeg 4.0 and up configure failure

2018-06-09 Thread Carl Eugen Hoyos
2018-06-07 19:17 GMT+02:00, Moocow9m Taliancich : > Never replied to a mailing list before so i hope I don't mess this up. You did, find out what top-posting means and don't do it. > Anyways, I have altered the config to remove the unnassassary args, That was a good idea to make debugging easier

Re: [FFmpeg-user] how to read specified frame from yuv files?

2018-06-09 Thread Carl Eugen Hoyos
2018-06-09 16:04 GMT+02:00, qw : > how to read/parse specified frame from yuv files, and > save it as a separate yuv file? $ ffmpeg -s pal -i input.yuv -vcodec copy -f image out%2d Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://f

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

2018-06-09 Thread Roger Pack
Just enter it manually as you're doing I think it's a signed int. On 3/2/18, Alex P wrote: > Thank you for that suggestion Roger, I can't believe I forgot about the > preset options. > > Executing the following on a RAM disk gets me about .9x performance, letting > me capture about 5 seconds wort

Re: [FFmpeg-user] Support request - configuring ffmpeg for YouTube Live 60fps

2018-06-09 Thread Roger Pack
On 4/25/18, Stuart Porter wrote: > Hi there, > > Firstly, forgive any rookie mistakes – I’m new here and not a seasoned > support blog user. Neither am I a developer of any sort. > > I’m working with a developer though and we are trying to configure ffmpeg > to stream live from a video capture dev

Re: [FFmpeg-user] can't capture from audio speakers, but well from microphone

2018-06-09 Thread Roger Pack
On 3/10/18, Carl Zwanzig wrote: > On 3/10/2018 6:01 AM, Phil Forneur wrote: >> I can't capture from audio speakers, but well from microphone. > > Speakers/audio-out aren't considered an input device. > > If you're trying to capture what's being played out those speakers, you need > software to int

[FFmpeg-user] how to read specified frame from yuv files?

2018-06-09 Thread qw
Hi, how to read/parse specified frame from yuv files, and save it as a separate yuv file? Thank! regards andrew | | qw 邮箱:applema...@163.com | 签名由 网易邮箱大师 定制 ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffm