RSDK-11206 - Pin libcamera dep (#24)

* Checkpoint libcamera

* Pin to release

Author: seanavery

Makefile

@@ -105,6 +105,7 @@ dep:
 		cd ${HOME}/opt/src && \
 		git clone https://github.com/raspberrypi/libcamera.git && \
 		cd libcamera && \
+		git checkout v0.5.0+rpt20250429 && \
 		meson setup build --prefix=/usr && \
 		ninja -C build install && \
 		rm -rf ${HOME}/opt/src/libcamera; \

constraints.h

@@ -32,6 +32,6 @@
 // Pi
 #define PI_API_SUBTYPE "csi-pi"
 #define PI_INPUT_SOURCE "libcamerasrc"
-#define PI_INPUT_FORMAT "video/x-raw"
+#define PI_INPUT_FORMAT "video/x-raw,format=NV12"
 #define PI_VIDEO_CONVERTER "videoconvert"
 #define PI_OUTPUT_ENCODER "jpegenc"