[libcamera-devel] [PATCH/RFC 10/11] libcamera: pipeline: Replace explicit DRM FourCCs with libcamera formats

Laurent Pinchart laurent.pinchart at ideasonboard.com
Fri May 22 16:54:58 CEST 2020


Use the new pixel format constants to replace usage of macros from
drm_fourcc.h.

The IPU3 pipeline handler still uses DRM FourCCs for IPU3-specific
formats that are not defined in the libcamera public API.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 src/libcamera/pipeline/ipu3/ipu3.cpp          |  8 +++++---
 .../pipeline/raspberrypi/raspberrypi.cpp      | 10 +++++-----
 src/libcamera/pipeline/rkisp1/rkisp1.cpp      | 19 ++++++++++---------
 src/libcamera/pipeline/vimc/vimc.cpp          | 11 ++++++-----
 4 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index b805fea71c2d..f23f338d4eb7 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -11,9 +11,11 @@
 #include <queue>
 #include <vector>
 
+#include <linux/drm_fourcc.h>
 #include <linux/media-bus-format.h>
 
 #include <libcamera/camera.h>
+#include <libcamera/formats.h>
 #include <libcamera/request.h>
 #include <libcamera/stream.h>
 
@@ -261,7 +263,7 @@ IPU3CameraConfiguration::IPU3CameraConfiguration(Camera *camera,
 void IPU3CameraConfiguration::adjustStream(StreamConfiguration &cfg, bool scale)
 {
 	/* The only pixel format the driver supports is NV12. */
-	cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12);
+	cfg.pixelFormat = formats::NV12;
 
 	if (scale) {
 		/*
@@ -430,7 +432,7 @@ CameraConfiguration *PipelineHandlerIPU3::generateConfiguration(Camera *camera,
 		StreamConfiguration cfg = {};
 		IPU3Stream *stream = nullptr;
 
-		cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12);
+		cfg.pixelFormat = formats::NV12;
 
 		switch (role) {
 		case StreamRole::StillCapture:
@@ -1193,7 +1195,7 @@ int ImgUDevice::configureOutput(ImgUOutput *output,
 		return 0;
 
 	*outputFormat = {};
-	outputFormat->fourcc = dev->toV4L2PixelFormat(PixelFormat(DRM_FORMAT_NV12));
+	outputFormat->fourcc = dev->toV4L2PixelFormat(formats::NV12);
 	outputFormat->size = cfg.size;
 	outputFormat->planesCount = 2;
 
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index e16a9c7f10d3..d3d11f87ecb5 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -13,12 +13,12 @@
 
 #include <libcamera/camera.h>
 #include <libcamera/control_ids.h>
+#include <libcamera/formats.h>
 #include <libcamera/ipa/raspberrypi.h>
 #include <libcamera/logging.h>
 #include <libcamera/request.h>
 #include <libcamera/stream.h>
 
-#include <linux/drm_fourcc.h>
 #include <linux/videodev2.h>
 
 #include "libcamera/internal/camera_sensor.h"
@@ -490,7 +490,7 @@ CameraConfiguration::Status RPiCameraConfiguration::validate()
 
 		if (fmts.find(V4L2PixelFormat::fromPixelFormat(cfgPixFmt, false)) == fmts.end()) {
 			/* If we cannot find a native format, use a default one. */
-			cfgPixFmt = PixelFormat(DRM_FORMAT_NV12);
+			cfgPixFmt = formats::NV12;
 			status = Adjusted;
 		}
 	}
@@ -537,20 +537,20 @@ CameraConfiguration *PipelineHandlerRPi::generateConfiguration(Camera *camera,
 			break;
 
 		case StreamRole::StillCapture:
-			cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12);
+			cfg.pixelFormat = formats::NV12;
 			/* Return the largest sensor resolution. */
 			cfg.size = data->sensor_->resolution();
 			cfg.bufferCount = 1;
 			break;
 
 		case StreamRole::VideoRecording:
-			cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12);
+			cfg.pixelFormat = formats::NV12;
 			cfg.size = { 1920, 1080 };
 			cfg.bufferCount = 4;
 			break;
 
 		case StreamRole::Viewfinder:
-			cfg.pixelFormat = PixelFormat(DRM_FORMAT_ARGB8888);
+			cfg.pixelFormat = formats::ARGB8888;
 			cfg.size = { 800, 600 };
 			cfg.bufferCount = 4;
 			break;
diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index d807fc2cf535..401e777fbbf7 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -16,6 +16,7 @@
 #include <libcamera/buffer.h>
 #include <libcamera/camera.h>
 #include <libcamera/control_ids.h>
+#include <libcamera/formats.h>
 #include <libcamera/ipa/rkisp1.h>
 #include <libcamera/request.h>
 #include <libcamera/stream.h>
@@ -459,13 +460,13 @@ RkISP1CameraConfiguration::RkISP1CameraConfiguration(Camera *camera,
 CameraConfiguration::Status RkISP1CameraConfiguration::validate()
 {
 	static const std::array<PixelFormat, 8> formats{
-		PixelFormat(DRM_FORMAT_YUYV),
-		PixelFormat(DRM_FORMAT_YVYU),
-		PixelFormat(DRM_FORMAT_VYUY),
-		PixelFormat(DRM_FORMAT_NV16),
-		PixelFormat(DRM_FORMAT_NV61),
-		PixelFormat(DRM_FORMAT_NV21),
-		PixelFormat(DRM_FORMAT_NV12),
+		formats::YUYV,
+		formats::YVYU,
+		formats::VYUY,
+		formats::NV16,
+		formats::NV61,
+		formats::NV21,
+		formats::NV12,
 		/* \todo Add support for 8-bit greyscale to DRM formats */
 	};
 
@@ -487,7 +488,7 @@ CameraConfiguration::Status RkISP1CameraConfiguration::validate()
 	if (std::find(formats.begin(), formats.end(), cfg.pixelFormat) ==
 	    formats.end()) {
 		LOG(RkISP1, Debug) << "Adjusting format to NV12";
-		cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12),
+		cfg.pixelFormat = formats::NV12,
 		status = Adjusted;
 	}
 
@@ -566,7 +567,7 @@ CameraConfiguration *PipelineHandlerRkISP1::generateConfiguration(Camera *camera
 		return config;
 
 	StreamConfiguration cfg{};
-	cfg.pixelFormat = PixelFormat(DRM_FORMAT_NV12);
+	cfg.pixelFormat = formats::NV12;
 	cfg.size = data->sensor_->resolution();
 
 	config->addConfiguration(cfg);
diff --git a/src/libcamera/pipeline/vimc/vimc.cpp b/src/libcamera/pipeline/vimc/vimc.cpp
index ca36348a5eb6..ce6db27ce576 100644
--- a/src/libcamera/pipeline/vimc/vimc.cpp
+++ b/src/libcamera/pipeline/vimc/vimc.cpp
@@ -17,6 +17,7 @@
 #include <libcamera/camera.h>
 #include <libcamera/control_ids.h>
 #include <libcamera/controls.h>
+#include <libcamera/formats.h>
 #include <libcamera/ipa/ipa_interface.h>
 #include <libcamera/ipa/ipa_module_info.h>
 #include <libcamera/request.h>
@@ -108,9 +109,9 @@ private:
 namespace {
 
 static const std::array<PixelFormat, 3> pixelformats{
-	PixelFormat(DRM_FORMAT_RGB888),
-	PixelFormat(DRM_FORMAT_BGR888),
-	PixelFormat(DRM_FORMAT_BGRA8888),
+	formats::RGB888,
+	formats::BGR888,
+	formats::BGRA8888,
 };
 
 } /* namespace */
@@ -139,7 +140,7 @@ CameraConfiguration::Status VimcCameraConfiguration::validate()
 	if (std::find(pixelformats.begin(), pixelformats.end(), cfg.pixelFormat) ==
 	    pixelformats.end()) {
 		LOG(VIMC, Debug) << "Adjusting format to RGB24";
-		cfg.pixelFormat = PixelFormat(DRM_FORMAT_BGR888);
+		cfg.pixelFormat = formats::BGR888;
 		status = Adjusted;
 	}
 
@@ -188,7 +189,7 @@ CameraConfiguration *PipelineHandlerVimc::generateConfiguration(Camera *camera,
 
 	StreamConfiguration cfg(formats);
 
-	cfg.pixelFormat = PixelFormat(DRM_FORMAT_BGR888);
+	cfg.pixelFormat = formats::BGR888;
 	cfg.size = { 1920, 1080 };
 	cfg.bufferCount = 4;
 
-- 
Regards,

Laurent Pinchart



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