heres a 1 liner for you..
scp /full/path/to/images/*.png ubuntu@ip-10-0-0-196:/full/path/to/images/ && ssh ubuntu@ip-10-0-0-196 'ffmpeg -pattern_type glob -r 60 -i /full/path/to/images/*.png -c:v libvpx-vp9 -pix_fmt yuva420p ffmpeg.webm' > On Jul 23, 2018, at 11:12 12PM, Andrew Stuart > <[email protected]> wrote: > >>> My goal is for ffmpeg to be running and listening on a network port, then >>> from another machine to send the PNG sequence over the network directly >>> into ffmpeg, and have the resulting video file saved. > >>> So I need to work out how to configure ffmpeg to listen on the network for >>> a sequence of PNG files, and I need to work out how to, from another >>> machine, connect to ffmpeg, tell it what the output filename should be, and >>> then transmit the PNG files. > >>> Is there any way to do this? Despite many hours research I can’t see if >>> this is actually possible or not. > > I’ll answer my own question as I worked it out eventually - maybe it will > help someone else in the future. > > The following command sets up ffmpeg to listen on a socket on port 8000, and > when PNG images arrive, ffmpeg processes them. > > ffmpeg -loglevel debug -framerate 60 -f image2pipe -i > tcp://127.0.0.1:8000?listen=1 -c:v libvpx-vp9 -pix_fmt yuva420p ffmpeg.webm > > You can test it with this Python script which reads all the png files from a > directory and sends them to the socket, resulting in ffmpeg running its > render and exiting. > > import glob > path = '/home/ubuntu/tmp/*.png' > files=glob.glob(path) > import socket > > TCP_IP = '127.0.0.1' > TCP_PORT =8000 > BUFFER_SIZE = 1024 > > s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) > s.connect((TCP_IP, TCP_PORT)) > print('connection closed') > for file in files: > f = open(file, 'rb') > s.send(f.read()) > f.close() > s.close() > > > > With the resulting output: > > ubuntu@ip-10-0-0-196:~$ ffmpeg -y -framerate 60 -f image2pipe -i > tcp://127.0.0.1:8000?listen=1 -c:v libvpx-vp9 -pix_fmt yuva420p ffmpeg.webm > ffmpeg version 2.8.14-0ubuntu0.16.04.1 Copyright (c) 2000-2018 the FFmpeg > developers > built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 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 > Input #0, image2pipe, from 'tcp://127.0.0.1:8000?listen=1': > Duration: N/A, bitrate: N/A > Stream #0:0: Video: png, rgba(pc), 800x600, 60 fps, 60 tbr, 60 tbn, 60 tbc > Incompatible pixel format 'yuva420p' for codec 'libvpx-vp9', auto-selecting > format 'yuv420p' > [libvpx-vp9 @ 0x2428e00] v1.5.0 > Output #0, webm, to 'ffmpeg.webm': > Metadata: > encoder : Lavf56.40.101 > Stream #0:0: Video: vp9 (libvpx-vp9), yuv420p, 800x600, q=-1--1, 200 kb/s, > 60 fps, 1k tbn, 60 tbc > Metadata: > encoder : Lavc56.60.100 libvpx-vp9 > Stream mapping: > Stream #0:0 -> #0:0 (png (native) -> vp9 (libvpx-vp9)) > Press [q] to stop, [?] for help > [png @ 0x237e840] Invalid PNG signature 0xBA775E7E29DE8950.bitrate= > 247.0kbits/s > Error while decoding stream #0:0: Invalid data found when processing input > frame= 98 fps= 18 q=0.0 Lsize= 42kB time=00:00:01.64 bitrate= > 208.8kbits/s > video:41kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing > overhead: 2.742833% > ubuntu@ip-10-0-0-196:~$ > > > > > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
