libcamera: pipeline: Move uvcvideo and vimc to subdirectories

Give a subdirectory to all pipeline handlers to make the structure of
the source tree more consistent. This will also simplify the
implementation of pipeline handlers selection at build time.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/pipeline/meson.build

@@ -1,7 +1,4 @@
-libcamera_sources += files([
-    'uvcvideo.cpp',
-    'vimc.cpp',
-])
-
 subdir('ipu3')
 subdir('rkisp1')
+subdir('uvcvideo')
+subdir('vimc')

src/libcamera/pipeline/uvcvideo/meson.build

@@ -0,0 +1,3 @@
+libcamera_sources += files([
+    'uvcvideo.cpp',
+])

src/libcamera/pipeline/vimc/meson.build

@@ -0,0 +1,3 @@
+libcamera_sources += files([
+    'vimc.cpp',
+])