Bueno esto es lo que he averiguado, que logstalgia puede funcionar como output stream y hacer un pipe hacia ffmpeg directamente:
Leer log: (funciona)
ssh whk@server "tail -f /var/log/httpd/global_access_log"
Leer log -> Logstalgia: (funciona)
ssh whk@server "tail -f /var/log/httpd/global_access_log" | logstalgia --sync
Leer log -> Logstalgia -> Guardar video en formato ppm: (funciona)
ssh whk@server "tail -f /var/log/httpd/global_access_log" | logstalgia --sync --output-ppm-stream out.ppm
Convertir video: (funciona)
ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i output.ppm -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 nginx.server.log.mp4
Logtslgia -> Convertir video: (funciona)
logstalgia -1280x720 -o - access.log | ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 logstalgia.mp4
Leer log -> Logstalgia -> Ffmpeg -> guardar video en formato mp4: (no funciona)
ssh whk@server "tail -f /var/log/httpd/global_access_log" | logstalgia --sync -o - | ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf out.mp4
Porque cuando quiero pasar el output stream a ffmpeg mientras hago pipe desde ssh no funciona?, o sea, si lo hago desde un log local funciona pero cuando lo hago por ssh deja de funcionar y me arroja un error:
whk@machine:~/Escritorio$ ssh whk@server "tail -f /var/log/httpd/globaaccess_log" \
| logstalgia --sync -o - \
| ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf out.mp4
ffmpeg version 2.5.10-0ubuntu0.15.04.1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.9.2 (Ubuntu 4.9.2-10ubuntu13)
configuration: --prefix=/usr --extra-version=0ubuntu0.15.04.1 --build-suffix=-ffmpeg
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --shlibdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared --disable-stripping --enable-
avresample --enable-avisynth --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-libschroedinger --enable-libshine --enable-
libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libwavpack
--enable-libwebp --enable-libxvid --enable-opengl --enable-x11grab --enable-libdc1394 --enable-
libiec61883 --enable-libzvbi --enable-libzmq --enable-frei0r --enable-libvpx --enable-libx264 --enable-
libsoxr --enable-gnutls --enable-openal --enable-libopencv --enable-librtmp --enable-libx265
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.102 / 56. 15.102
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Trailing options were found on the commandline.
Input #0, image2pipe, from 'pipe:':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 1024x768, 60 fps, 60 tbr, 60 tbn, 60 tbc
At least one output file must be specified
^Cwhk@machine:~/Escritorio$
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