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Implement external post processing

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This commit is contained in:
Martijn Braam
2020-10-01 17:25:24 +02:00
parent 9cbebee116
commit 8863133fe2
4 changed files with 165 additions and 5 deletions
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README.md
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@@ -48,3 +48,24 @@ These are the sections describing the sensors.
* `rate=15` the refresh rate in fps to use for the sensor
* `fmt=BGGR8` sets the pixel and bus formats used when capturing from the sensor, only BGGR8 is fully supported
* `rotate=90` the rotation angle to make the sensor match the screen
# Post processing
Megapixels only captures raw frames and stores .dng files. It captures a 5 frame burst and saves it to a temporary
location. Then the postprocessing script is run which will generate the final .jpg file and writes it into the
pictures directory. Megapixels looks for the post processing script in the following locations:
* ./postprocess.sh
* $XDG_CONFIG_DIR/megapixels/postprocess.sh
* ~/.config/megapixels/postprocess.sh
* /etc/megapixels/postprocess.sh
* /usr/share/megapixels/postprocess.sh
The bundled postprocess.sh script will copy the first frame of the burst into the picture directory as an DNG
file and if dcraw and imagemagick are installed it will generate a JPG and also write that to the picture
directory. It supports either the full dcraw or dcraw_emu from libraw.
It is possible to write your own post processing pipeline my providing your own `postprocess.sh` script at
one of the above locations. The first argument to the script is the directory containing the temporary
burst files and the second argument is the final path for the image without an extension. For more details
see postprocess.sh in this repository.