[libcamera-devel] [PATCH] libcamera: stream: Rename StillCaptureRaw to Raw

Niklas Söderlund niklas.soderlund at ragnatech.se
Fri Sep 25 12:47:18 CEST 2020


Hi David,

Thanks for your feedback.

On 2020-09-25 07:36:43 +0100, David Plowman wrote:
> Hi Niklas
> 
> I like this change, am happy to apply it to the RPi pipeline handler,
> and would like to give it my thumbs-up! Just one very small
> question...
> 
> On Mon, 21 Sep 2020 at 19:23, Niklas Söderlund
> <niklas.soderlund at ragnatech.se> wrote:
> >
> > With the buffer copy removed from all pipelines for the raw capture
> > rename the StillCaptureRaw to Raw to better represent the role.
> >
> > Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
> > ---
> >  include/libcamera/stream.h                         | 2 +-
> >  src/android/camera_device.cpp                      | 4 ++--
> >  src/cam/stream_options.cpp                         | 4 ++--
> >  src/libcamera/pipeline/ipu3/ipu3.cpp               | 2 +-
> >  src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 2 +-
> >  src/libcamera/stream.cpp                           | 5 ++---
> >  src/qcam/main_window.cpp                           | 2 +-
> >  7 files changed, 10 insertions(+), 11 deletions(-)
> >
> > diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
> > index f502b35957fc250c..bb47c390f8a12387 100644
> > --- a/include/libcamera/stream.h
> > +++ b/include/libcamera/stream.h
> > @@ -59,8 +59,8 @@ private:
> >  };
> >
> >  enum StreamRole {
> > +       Raw,
> >         StillCapture,
> > -       StillCaptureRaw,
> >         VideoRecording,
> >         Viewfinder,
> >  };
> > diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
> > index 70d77a17ef43cf48..751699cd21138245 100644
> > --- a/src/android/camera_device.cpp
> > +++ b/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);
> > diff --git a/src/cam/stream_options.cpp b/src/cam/stream_options.cpp
> > index 4168e5d2d1deff9b..27cc39122989f256 100644
> > --- a/src/cam/stream_options.cpp
> > +++ b/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;
> >         }
> >
> > diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
> > index 221259c7fe61df03..17ffed2b0e2ff0a6 100644
> > --- a/src/libcamera/pipeline/ipu3/ipu3.cpp
> > +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
> > @@ -343,7 +343,7 @@ CameraConfiguration *PipelineHandlerIPU3::generateConfiguration(Camera *camera,
> >
> >                         break;
> >
> > -               case StreamRole::StillCaptureRaw: {
> > +               case StreamRole::Raw: {
> >                         StreamConfiguration cio2Config =
> >                                 data->cio2_.generateConfiguration(sensorResolution);
> >                         pixelFormat = cio2Config.pixelFormat;
> > diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> > index 50f07182457046ff..fe46dbd386d2a5ea 100644
> > --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> > +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
> > @@ -376,7 +376,7 @@ 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);
> > diff --git a/src/libcamera/stream.cpp b/src/libcamera/stream.cpp
> > index 4d0ab90d73f96e0f..6d51e5da794f9f87 100644
> > --- a/src/libcamera/stream.cpp
> > +++ b/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 high-resolution raw images.
> 
> I wonder just a little about saying "high-resolution raw images". I
> can use the raw streams to capture lower-resolution binned raw images
> too, so perhaps we should reflect that? But other than that, can I add

Good point, how about something like this?

    The stream is intended to capture raw frames from the sensor.

> 
> Reviewed-by: David Plowman <david.plowman at raspberrypi.com>
> 
> Thanks!
> David
> 
> >   * \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
> > diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp
> > index 985743f3233405d0..ecb9dd6642400697 100644
> > --- a/src/qcam/main_window.cpp
> > +++ b/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;
> >                 }
> > --
> > 2.28.0
> >
> > _______________________________________________
> > libcamera-devel mailing list
> > libcamera-devel at lists.libcamera.org
> > https://lists.libcamera.org/listinfo/libcamera-devel

-- 
Regards,
Niklas Söderlund


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