EMISIÓN AUDIO Y VÍDEO EN GNU/LINUX

Instalar servidor Icecast:https://linux-os.net/icecast-streaming-media-server-instalacion-basica-en-ubuntu-18-04
Abrir puerto router:https://computerhoy.com/reportajes/tecnologia/como-abrir-puertos-router-que-debes-hacerlo-279797
Obtener Ip fija: https://www.noip.com/
Butt: https://radioslibres.net/butt-herramienta-sencilla-para-hacer-streaming/
Instalar Jack Audio: https://kx.studio/Repositories, https://web.archive.org/web/20160423070828/https://staberman.com.ar/blog/instalar-y-configurar-jack-via-cadence/, https://salmorejogeek.com/2019/08/31/instalar-y-configurar-jack-y-pulseaudio-bridge-via-cadence-en-arch-linux-y-basadas-extra-ardour y https://salmorejogeek.com/2019/09/05/audio-jack-en-linux-empezando-con-carla-nociones-basicas-de-funcionamiento-y-manejo
Videollamada con Jitsi: https://meet.jit.si/
Tener Canal IRC: https://freenode.net/
Emitir audio desde la terminal con FFmpeg: ffmpeg -ac 1 -f alsa -i default -acodec libmp3lame -ab 64k -ac 1 -content_type audio/mpeg -f mp3 -content_type audio/mpeg -f mp3 icecast://source:password@url
Emitir vídeo desde la terminal con FFmpeg: ffmpeg -f v4l2 -video_size 640x360 -framerate 30 -i /dev/video0 -f alsa -i default -f webm -cluster_size_limit 2M -cluster_time_limit 5100 -content_type video/webm -c:a libvorbis -b:a 96K -c:v libvpx -b:v 1.5M -crf 30 -g 150 -deadline good -threads 4 icecast://source:password@url

ffmpeg -f x11grab -y -r 30 -s 1920x1080 -i :0.0 -f alsa -i default -f webm -cluster_size_limit 2M -cluster_time_limit 5100 -content_type video/webm -vf scale=1280:-1 -r 30 -ac 2 -acodec libopus -b:a 64K -vcodec libvpx -b:v 2.5M -crf 30 -g 150 -deadline realtime -threads 8 icecast://source:password@url

Unir una imagen y audio:
ffmpeg -loop 1 -y -i podcastlinux.png -i 105linuxexpress.ogg -shortest -pix_fmt yuv420p video.mp4

Hacer un vídeo con uma imagen y un audio y que salga la onda de audio:
ffmpeg -i podcastlinux.mp3 -i podcastlinux.png -filter_complex "[0:a]showwaves=s=1000x200:mode=cline:colors=white[sw];[1][sw]overlay=x=W-w-0:y=820:format=auto,format=yuv420p[v]" -map "[v]" -map 0:a -movflags +faststart video.mp4