libcamera: stream: Rename StillCaptureRaw to Raw

With the buffer copy removed from all pipelines for raw capture
rename StillCaptureRaw to Raw to better describe the role.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

include/libcamera/stream.h

@@ -59,8 +59,8 @@ private:
 };
 
 enum StreamRole {
+	Raw,
 	StillCapture,
-	StillCaptureRaw,
 	VideoRecording,
 	Viewfinder,
 };

src/android/camera_device.cpp

@@ -313,7 +313,7 @@ std::vector<Size> CameraDevice::getYUVResolutions(CameraConfiguration *cameraCon
 std::vector<Size> CameraDevice::getRawResolutions(const libcamera::PixelFormat &pixelFormat)
 {
 	std::unique_ptr<CameraConfiguration> cameraConfig =
-		camera_->generateConfiguration({ StillCaptureRaw });
+		camera_->generateConfiguration({ StreamRole::Raw });
 	StreamConfiguration &cfg = cameraConfig->at(0);
 	const StreamFormats &formats = cfg.formats();
 	std::vector<Size> supportedResolutions = formats.sizes(pixelFormat);
@@ -895,7 +895,7 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
 
 	/* Report if camera supports RAW. */
 	std::unique_ptr<CameraConfiguration> cameraConfig =
-		camera_->generateConfiguration({ StillCaptureRaw });
+		camera_->generateConfiguration({ StreamRole::Raw });
 	if (cameraConfig && !cameraConfig->empty()) {
 		const PixelFormatInfo &info =
 			PixelFormatInfo::info(cameraConfig->at(0).pixelFormat);

src/cam/stream_options.cpp

@@ -119,8 +119,8 @@ bool StreamKeyValueParser::parseRole(StreamRole *role,
 	} else if (name == "still") {
 		*role = StreamRole::StillCapture;
 		return true;
-	} else if (name == "stillraw") {
-		*role = StreamRole::StillCaptureRaw;
+	} else if (name == "raw") {
+		*role = StreamRole::Raw;
 		return true;
 	}
 

src/libcamera/pipeline/ipu3/ipu3.cpp

@@ -348,7 +348,7 @@ CameraConfiguration *PipelineHandlerIPU3::generateConfiguration(Camera *camera,
 
 			break;
 
-		case StreamRole::StillCaptureRaw: {
+		case StreamRole::Raw: {
 			StreamConfiguration cio2Config =
 				data->cio2_.generateConfiguration(sensorResolution);
 			pixelFormat = cio2Config.pixelFormat;

src/libcamera/pipeline/raspberrypi/raspberrypi.cpp

@@ -461,7 +461,7 @@ CameraConfiguration *PipelineHandlerRPi::generateConfiguration(Camera *camera,
 	unsigned int outCount = 0;
 	for (const StreamRole role : roles) {
 		switch (role) {
-		case StreamRole::StillCaptureRaw:
+		case StreamRole::Raw:
 			size = data->sensor_->resolution();
 			fmts = data->unicam_[Unicam::Image].dev()->formats();
 			sensorFormat = findBestMode(fmts, size);

src/libcamera/stream.cpp

@@ -380,12 +380,11 @@ std::string StreamConfiguration::toString() const
  * are specified by applications and passed to cameras, that then select the
  * most appropriate streams and their default configurations.
  *
+ * \var Raw
+ * The stream is intended to capture raw frames from the sensor.
  * \var StillCapture
  * The stream is intended to capture high-resolution, high-quality still images
  * with low frame rate. The captured frames may be exposed with flash.
- * \var StillCaptureRaw
- * The stream is intended to capture high-resolution, raw still images with low
- * frame rate.
  * \var VideoRecording
  * The stream is intended to capture video for the purpose of recording or
  * streaming. The video stream may produce a high frame rate and may be

src/qcam/main_window.cpp

@@ -380,7 +380,7 @@ int MainWindow::startCapture()
 		break;
 	case 2:
 		if (roles[0] != StreamRole::Viewfinder ||
-		    roles[1] != StreamRole::StillCaptureRaw) {
+		    roles[1] != StreamRole::Raw) {
 			qWarning() << "Only viewfinder + raw supported for dual streams";
 			return -EINVAL;
 		}