I'm using C# to initiate ffmpeg. I've a onvif bridge server for a CCTV VMS and
I'm building a application to enable the user to livestream any CCTV camera to
YouTube.
The rtsp stream to the camera looks like this:
rtsp://onvif:bridge@localhost:554/live/xxxxx-xxxguidtocameraxxx-xxxxx
I'm new to ffmpeg and I'm using this arg:
-f lavfi -i anullsrc -rtsp_transport udp -i {camerastreamurl} -tune zerolatency
-vcodec libx264 -pix_fmt + -c:v copy -c:a aac -strict experimental -f flv
rtmp://x.rtmp.youtube.com/live2/{streamkey} -loglevel debug
It seems like ffmpeg isn't finding the camera stream, only the fake audio one.
It just freezes.
This is the result of the debug log:
ffmpeg version N-91172-gebf85d3190 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7.3.0 (GCC)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-libmfx --enable-amf
--enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc
--enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 18.102 / 56. 18.102
libavcodec 58. 19.104 / 58. 19.104
libavformat 58. 17.100 / 58. 17.100
libavdevice 58. 4.100 / 58. 4.100
libavfilter 7. 24.100 / 7. 24.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Splitting the commandline.
Reading option '-f' ... matched as option 'f' (force format) with argument
'lavfi'.
Reading option '-i' ... matched as input url with argument 'anullsrc'.
Reading option '-rtsp_transport' ... matched as AVOption 'rtsp_transport' with
argument 'udp'.
Reading option '-i' ... matched as input url with argument
'rtsp://onvif:bridge@localhost:554/live/41cf4f34-e137-4559-8278-47d912c64c5b'.
Reading option '-tune' ... matched as AVOption 'tune' with argument
'zerolatency'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec
('copy' to copy stream)) with argument 'libx264'.
Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel format)
with argument '+'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument
'copy'.
Reading option '-c:a' ... matched as option 'c' (codec name) with argument
'aac'.
Reading option '-strict' ...Routing option strict to both codec and muxer layer
matched as AVOption 'strict' with argument 'experimental'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'flv'.
Reading option 'rtmp://x.rtmp.youtube.com/live2/xxxxxxxx' ... matched as output
url.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level)
with argument 'debug'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url anullsrc.
Applying option f (force format) with argument lavfi.
Successfully parsed a group of options.
Opening an input file: anullsrc.
detected 8 logical cores
[AVFilterGraph @ 0000027a34bad7c0] query_formats: 2 queried, 3 merged, 0
already done, 0 delayed
[Parsed_anullsrc_0 @ 0000027a34badb80] sample_rate:44100
channel_layout:'stereo' nb_samples:1024
[lavfi @ 0000027a34babc80] All info found
Input #0, lavfi, from 'anullsrc':
Duration: N/A, start: 0.000000, bitrate: 705 kb/s
Stream #0:0, 1, 1/44100: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
Successfully opened the file.
Parsing a group of options: input url
rtsp://onvif:bridge@localhost:554/live/41cf4f34-e137-4559-8278-47d912c64c5b.
Successfully parsed a group of options.
Opening an input file:
rtsp://onvif:bridge@localhost:554/live/41cf4f34-e137-4559-8278-47d912c64c5b.
[tcp @ 0000027a34bb5980] No default whitelist set
I've no idea how to proceed or troubleshoot the input stream. Help?
// Felix
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