[FFmpeg-user] Asking for help with filter chain concat troubles

2020-07-13 Thread wilken
Hello ffmpegs, I hope I have come to the right place. I've got a problem concatenating webcam videos through an automatically generated filter chain. The idea is to combine a series of webcam videos from a webconference, filling the gaps between webcam videos with still images. The still ima

Re: [FFmpeg-user] Asking for help

2020-05-05 Thread Carl Eugen Hoyos
Am Di., 5. Mai 2020 um 20:06 Uhr schrieb Mohammed Bey Ahmed Khernache : > > Thank you for your reply. > > > Complete, uncut console output missing. > Here is the complete output. > root@odroid:~/ffmpeg# ./ffmpeg -i > ../dataset/encoded_with_wpp/blue_sky_fps_25.yuv.h265 -f null /dev/null > ffmpeg ve

Re: [FFmpeg-user] Asking for help

2020-05-05 Thread Mohammed Bey Ahmed Khernache
Thank you for your reply. > Complete, uncut console output missing. Here is the complete output. root@odroid:~/ffmpeg# ./ffmpeg -i ../dataset/encoded_with_wpp/blue_sky_fps_25.yuv.h265 -f null /dev/null ffmpeg version N-97619-gf90a48b Copyright (c) 2000-2020 the FFmpeg developers built with gcc 6

Re: [FFmpeg-user] Asking for help

2020-05-05 Thread Carl Eugen Hoyos
Am Di., 5. Mai 2020 um 16:50 Uhr schrieb Mohammed Bey Ahmed Khernache : > I compiled ffmpeg without encoders (--disable-encoders). Then, when I try > to decode a video bit-stream, I get this error message: > "Automatic encoder selection failed for output stream #0:0. Default encoder > for format n

[FFmpeg-user] Asking for help

2020-05-05 Thread Mohammed Bey Ahmed Khernache
Hello, I compiled ffmpeg without encoders (--disable-encoders). Then, when I try to decode a video bit-stream, I get this error message: "Automatic encoder selection failed for output stream #0:0. Default encoder for format null (codec wrapped avframe) is probably disabled. Please choose an encoder

[FFmpeg-user] Asking for help

2019-02-21 Thread Mohammed Bey Ahmed Khernache
Hello, is there a way to know whether an HEVC video sequence is encoded with WPP, tiles, or slices using ffmpeg/ffprobe? Best regards ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, vis

Re: [FFmpeg-user] Asking for help about FFmpeg

2018-05-04 Thread mohammed bey ahmed khernache
Thank you for your reply. Yes, I don't need an output video. I just want to decode a video at 25 fps and then calculate the miss rate. So I don't want to skip anything. ​ ___ Mohammed BEY AHMED KHERNACHE

Re: [FFmpeg-user] Asking for help about FFmpeg

2018-05-04 Thread Carl Eugen Hoyos
2018-05-04 20:02 GMT+02:00, mohammed bey ahmed khernache : > When I try to decode a video which is encoded with HEVC > (using ffmpeg) at a certain fps (e.g fps=25), the result is a > decoded video but at a different fps. This sounds as if your problem is that your output video has a different fp

[FFmpeg-user] Asking for help about FFmpeg

2018-05-04 Thread mohammed bey ahmed khernache
​Hello, I am working on video decoding using FFmpeg. When I try to decode a video which is encoded with HEVC (using ffmpeg) at a certain fps (e.g fps=25), the result is a decoded video but at a different fps. How can I decode a video at exactly 25 fps, even if I get high miss rate ? I am using thi