Add DCP calibration files for sensors

Read .dcp files stored in the same directory as the camera configuration
files and copy over the calibration curves into the DNG files after
taking a picture.

meson.build

@@ -61,6 +61,7 @@ executable('megapixels',
   'src/pipeline.c',
   'src/process_pipeline.c',
   'src/zbar_pipeline.c',
+  'src/dcp.c',
   resources,
   include_directories: 'src/',
   dependencies: [gtkdep, libfeedback, libm, tiff, zbar, threads, epoxy] + optdeps,
@@ -70,6 +71,8 @@ executable('megapixels',
 install_data(
   [
     'config/pine64,pinephone-1.0.ini',
+    'config/pine64,pinephone,rear.dcp',
+    'config/pine64,pinephone,front.dcp',
     'config/pine64,pinephone-1.1.ini',
     'config/pine64,pinephone-1.2.ini',
     'config/pine64,pinetab.ini',