Am Do., 24. Sept. 2020 um 16:18 Uhr schrieb Thomas Seilund via ffmpeg-user <ffmpeg-user@ffmpeg.org>: > > > On 9/23/20 10:42 PM, Carl Eugen Hoyos wrote: > > Am Mi., 23. Sept. 2020 um 17:24 Uhr schrieb Thomas Seilund via > > ffmpeg-user <ffmpeg-user@ffmpeg.org>: > > > >> Now I write to udp and not to a local file with this command: > >> > >> raspivid -t 0 -b 10000000 -n -o udp://239.255.42.42:5004 > >> Connecting to 239.255.42.42:5004...connected, sending video... > >> > >> > >> On the same host I read from udp with this command - video is never > >> displayed > >> > >> ffplay -f h264 -i udp://239.255.42.42:5004 > > In general, you should not force the input format. > > > > You should be able to record the udp stream with tcpdump, > > you can then investigate the output file. > > I will try to investigate. It was my idea to force the input format.
As you found out, this is not possible to the extent you wanted. > How come that is not a good idea? You may receive a different stream than what you expect, the auto-detection is meant to be very reliable. (This does not mean it cannot fail but you cannot work-around the issues you see with forcing the format.) > >> ffplay version N-97152-g52523b6963 Copyright (c) 2003-2020 the FFmpeg > >> developers built with gcc 8 (Raspbian 8.3.0-6+rpi1) > >> configuration: --extra-libs='-lpthread -lm' --enable-gpl > >> --enable-libass --enable-libfreetype --enable-libmp3lame > >> --enable-libvorbis --enable-libx264 --disable-doc --enable-nonfree > > Is this binary distributed somewhere? > I used apt-get install on Raspberry Pi. Where can I find the repository where you download this binary? Providing this binary for download is not allowed. Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
