libcamera: Drop unnecessary explicit initialization of V4L2DeviceFormat

The V4L2DeviceFormat class now has default initializers for all members,
explicit initialization isn't needed anymore.

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

src/libcamera/pipeline/ipu3/ipu3.cpp

@@ -463,7 +463,7 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration *c)
 	 * adjusted format to be propagated to the ImgU output devices.
 	 */
 	const Size &sensorSize = config->cio2Format().size;
-	V4L2DeviceFormat cio2Format = {};
+	V4L2DeviceFormat cio2Format;
 	ret = cio2->configure(sensorSize, &cio2Format);
 	if (ret)
 		return ret;

src/libcamera/pipeline/raspberrypi/raspberrypi.cpp

@@ -73,7 +73,7 @@ V4L2DeviceFormat findBestMode(V4L2VideoDevice::Formats &formatsMap,
 			      const Size &req)
 {
 	double bestScore = std::numeric_limits<double>::max(), score;
-	V4L2DeviceFormat bestMode = {};
+	V4L2DeviceFormat bestMode;
 
 #define PENALTY_AR		1500.0
 #define PENALTY_8BIT		2000.0
@@ -429,7 +429,7 @@ CameraConfiguration::Status RPiCameraConfiguration::validate()
 			status = Adjusted;
 		}
 
-		V4L2DeviceFormat format = {};
+		V4L2DeviceFormat format;
 		format.fourcc = dev->toV4L2PixelFormat(cfg.pixelFormat);
 		format.size = cfg.size;
 
@@ -600,7 +600,7 @@ int PipelineHandlerRPi::configure(Camera *camera, CameraConfiguration *config)
 	 * See which streams are requested, and route the user
 	 * StreamConfiguration appropriately.
 	 */
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	for (unsigned i = 0; i < config->size(); i++) {
 		StreamConfiguration &cfg = config->at(i);
 

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -720,13 +720,13 @@ int PipelineHandlerRkISP1::configure(Camera *camera, CameraConfiguration *c)
 			return ret;
 	}
 
-	V4L2DeviceFormat paramFormat = {};
+	V4L2DeviceFormat paramFormat;
 	paramFormat.fourcc = V4L2PixelFormat(V4L2_META_FMT_RK_ISP1_PARAMS);
 	ret = param_->setFormat(&paramFormat);
 	if (ret)
 		return ret;
 
-	V4L2DeviceFormat statFormat = {};
+	V4L2DeviceFormat statFormat;
 	statFormat.fourcc = V4L2PixelFormat(V4L2_META_FMT_RK_ISP1_STAT_3A);
 	ret = stat_->setFormat(&statFormat);
 	if (ret)

src/libcamera/pipeline/rkisp1/rkisp1_path.cpp

@@ -85,7 +85,7 @@ CameraConfiguration::Status RkISP1Path::validate(StreamConfiguration *cfg)
 	cfg->size.expandTo(minResolution_);
 	cfg->bufferCount = RKISP1_BUFFER_COUNT;
 
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = video_->toV4L2PixelFormat(cfg->pixelFormat);
 	format.size = cfg->size;
 
@@ -146,7 +146,7 @@ int RkISP1Path::configure(const StreamConfiguration &config,
 		<< ispFormat.toString();
 
 	const PixelFormatInfo &info = PixelFormatInfo::info(config.pixelFormat);
-	V4L2DeviceFormat outputFormat = {};
+	V4L2DeviceFormat outputFormat;
 	outputFormat.fourcc = video_->toV4L2PixelFormat(config.pixelFormat);
 	outputFormat.size = config.size;
 	outputFormat.planesCount = info.numPlanes();

src/libcamera/pipeline/simple/converter.cpp

@@ -265,7 +265,7 @@ std::tuple<unsigned int, unsigned int>
 SimpleConverter::strideAndFrameSize(const Size &size,
 				    const PixelFormat &pixelFormat)
 {
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = m2m_->capture()->toV4L2PixelFormat(pixelFormat);
 	format.size = size;
 

src/libcamera/pipeline/simple/simple.cpp

@@ -482,7 +482,7 @@ CameraConfiguration::Status SimpleCameraConfiguration::validate()
 
 	/* Set the stride and frameSize. */
 	if (!needConversion_) {
-		V4L2DeviceFormat format = {};
+		V4L2DeviceFormat format;
 		format.fourcc = data_->video_->toV4L2PixelFormat(cfg.pixelFormat);
 		format.size = cfg.size;
 
@@ -587,7 +587,7 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)
 	/* Configure the video node. */
 	V4L2PixelFormat videoFormat = video->toV4L2PixelFormat(pipeConfig.pixelFormat);
 
-	V4L2DeviceFormat captureFormat = {};
+	V4L2DeviceFormat captureFormat;
 	captureFormat.fourcc = videoFormat;
 	captureFormat.size = pipeConfig.captureSize;
 

src/libcamera/pipeline/uvcvideo/uvcvideo.cpp

@@ -154,7 +154,7 @@ CameraConfiguration::Status UVCCameraConfiguration::validate()
 
 	cfg.bufferCount = 4;
 
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = data_->video_->toV4L2PixelFormat(cfg.pixelFormat);
 	format.size = cfg.size;
 
@@ -210,7 +210,7 @@ int PipelineHandlerUVC::configure(Camera *camera, CameraConfiguration *config)
 	StreamConfiguration &cfg = config->at(0);
 	int ret;
 
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = data->video_->toV4L2PixelFormat(cfg.pixelFormat);
 	format.size = cfg.size;
 

src/libcamera/pipeline/vimc/vimc.cpp

@@ -172,7 +172,7 @@ CameraConfiguration::Status VimcCameraConfiguration::validate()
 
 	cfg.bufferCount = 4;
 
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = data_->video_->toV4L2PixelFormat(cfg.pixelFormat);
 	format.size = cfg.size;
 
@@ -276,7 +276,7 @@ int PipelineHandlerVimc::configure(Camera *camera, CameraConfiguration *config)
 	if (ret)
 		return ret;
 
-	V4L2DeviceFormat format = {};
+	V4L2DeviceFormat format;
 	format.fourcc = data->video_->toV4L2PixelFormat(cfg.pixelFormat);
 	format.size = cfg.size;