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

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

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

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

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

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

[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