Sorry za translit, est camera mozhet translirovat h264 i mjpeg, mne nuzhno konvertirovat` ego v virtual`nuyu web cameru, help
ffmpeg -re -i rtsp://admin:admin@192.168.2.78/jpeg -pix_fmt yuv420p -f v4l2 /dev/video0
ffmpeg version 2.8.15-0ubuntu0.16.04.1 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 / 56. 60.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 40.101 / 5. 40.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
[mjpeg @ 0xac6180] Changeing bps to 8
Input #0, rtsp, from 'rtsp://admin:admin@192.168.2.78/jpeg':
Metadata:
title : Session streamed by "nessyMediaServer"
comment : jpeg
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 720x480 [SAR 1:1 DAR 3:2], 30 fps, 30 tbr, 90k tbn, 90k tbc
Stream #0:1: Data: none
[swscaler @ 0xc02560] deprecated pixel format used, make sure you did set range correctly
[v4l2 @ 0xb0e280] ioctl(VIDIOC_G_FMT): Invalid argument
Output #0, v4l2, to '/dev/video0':
Metadata:
title : Session streamed by "nessyMediaServer"
comment : jpeg
encoder : Lavf56.40.101
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x480 [SAR 1:1 DAR 3:2], q=2-31, 200 kb/s, 30 fps, 30 tbn, 30 tbc
Metadata:
encoder : Lavc56.60.100 rawvideo
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> rawvideo (native))
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument