ffmpeg raw video

% ffmpeg -y -i %04d.png -c:v rawvideo -framerate 24 -b:v 1000 ~/encoded-1000.avi

ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
  built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.1.3_1 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-11.0.2.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-11.0.2.jdk/Contents/Home/include/darwin' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-videotoolbox --disable-libjack --disable-indev=jack --enable-libaom --enable-libsoxr
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Input #0, image2, from '%04d.png':
  Duration: 00:00:04.80, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgba(pc), 640x640 [SAR 2835:2835 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> rawvideo (native))
Press [q] to stop, [?] for help
Output #0, avi, to '/Users/romuald/encoded-1000.avi':
  Metadata:
    ISFT            : Lavf58.20.100
    Stream #0:0: Video: rawvideo (RGBA / 0x41424752), rgba, 640x640 [SAR 2835:2835 DAR 1:1], q=2-31, 327680 kb/s, 25 fps, 25 tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.35.100 rawvideo
frame=  120 fps=0.0 q=-0.0 Lsize=  192008kB time=00:00:04.80 bitrate=327694.4kbits/s speed=11.5x
video:192000kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.004396%