83 lines
2.2 KiB
Bash
Executable File
83 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# The post-processing script gets called after taking a burst of
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# pictures into a temporary directory. The first argument is the
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# directory containing the raw files in the burst. The contents
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# are 1.dng, 2.dng.... up to the number of photos in the burst.
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#
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# The second argument is the filename for the final photo without
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# the extension, like "/home/user/Pictures/IMG202104031234"
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#
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# The post-processing script is responsible for cleaning up
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# temporary directory for the burst.
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if [ "$#" -ne 2 ]; then
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echo "Usage: $0 [burst-dir] [target-name]"
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exit 2
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fi
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BURST_DIR="$1"
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TARGET_NAME="$2"
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MAIN_PICTURE="$BURST_DIR"/1
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# Copy the first frame of the burst as the raw photo
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cp "$BURST_DIR"/1.dng "$TARGET_NAME.dng"
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# Use stack_frames to merge the burst if available
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if command -v "stack_frames" > /dev/null
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then
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stack_frames / "$BURST_DIR"/stacked.dng "$BURST_DIR"/*.dng
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cp "$BURST_DIR"/stacked.dng "$TARGET_NAME.stacked.dng"
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MAIN_PICTURE="$BURST_DIR"/stacked
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fi
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# Create a .jpg if raw processing tools are installed
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DCRAW=""
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TIFF_EXT="dng.tiff"
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if command -v "dcraw_emu" > /dev/null
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then
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DCRAW=dcraw_emu
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# -fbdd 1 Raw denoising with FBDD
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set -- -fbdd 1
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elif [ -x "/usr/lib/libraw/dcraw_emu" ]; then
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DCRAW=/usr/lib/libraw/dcraw_emu
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# -fbdd 1 Raw denoising with FBDD
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set -- -fbdd 1
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elif command -v "dcraw" > /dev/null
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then
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DCRAW=dcraw
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TIFF_EXT="tiff"
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set --
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fi
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if [ -n "$DCRAW" ]; then
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# +M use embedded color matrix
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# -H 4 Recover highlights by rebuilding them
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# -o 1 Output in sRGB colorspace
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# -q 3 Debayer with AHD algorithm
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# -T Output TIFF
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$DCRAW +M -H 4 -o 1 -q 3 -T "$@" "$MAIN_PICTURE.dng"
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# If imagemagick is available, convert the tiff to jpeg and apply slight sharpening
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if command -v convert > /dev/null
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then
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convert "$MAIN_PICTURE.$TIFF_EXT" -sharpen 0x1.0 "$TARGET_NAME.jpg"
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# If exiftool is installed copy the exif data over from the tiff to the jpeg
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# since imagemagick is stupid
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if command -v exiftool > /dev/null
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then
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exiftool -tagsFromfile "$MAIN_PICTURE.$TIFF_EXT" \
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-software="Megapixels" \
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-overwrite_original "$TARGET_NAME.jpg"
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fi
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else
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cp "$MAIN_PICTURE.$TIFF_EXT" "$TARGET_NAME.tiff"
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fi
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fi
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# Clean up the temp dir containing the burst
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rm -rf "$BURST_DIR"
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