diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-04-29 15:15:23 +0300 |
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committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-05-23 00:27:14 +0300 |
commit | 77ae64eb24bf6c2fe241b6f7b841315b1ee15707 (patch) | |
tree | 7c85eba53482bf3212644acc7b02796dea2a3b48 /src/libcamera/pipeline/uvcvideo.cpp | |
parent | a40023e6cc005dfc57cc535167ee44761f3ed9f6 (diff) |
libcamera: Refactor the camera configuration storage and API
Refactor the CameraConfiguration structure to not rely on Stream
instances. This is a step towards making the camera configuration object
more powerful with configuration validation using "try" semantics.
The CameraConfiguration now exposes a simple vector-like API to access
the contained stream configurations. Both operator[]() and at() are
provided to access elements. The isEmpty() method is renamed to empty()
and the methods reordered to match the std::vector class.
As applications need access to the Stream instances associated with the
configuration entries in order to associate buffers with streams when
creating requests, expose the stream selected by the pipeline handler
through a new StreamConfiguration::stream().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'src/libcamera/pipeline/uvcvideo.cpp')
-rw-r--r-- | src/libcamera/pipeline/uvcvideo.cpp | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/libcamera/pipeline/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo.cpp index d2e1f7d4..5dcc868b 100644 --- a/src/libcamera/pipeline/uvcvideo.cpp +++ b/src/libcamera/pipeline/uvcvideo.cpp @@ -27,8 +27,7 @@ public: CameraConfiguration generateConfiguration(Camera *camera, const StreamRoles &roles) override; - int configure(Camera *camera, - const CameraConfiguration &config) override; + int configure(Camera *camera, CameraConfiguration &config) override; int allocateBuffers(Camera *camera, const std::set<Stream *> &streams) override; @@ -78,38 +77,38 @@ CameraConfiguration PipelineHandlerUVC::generateConfiguration(Camera *camera, const StreamRoles &roles) { - UVCCameraData *data = cameraData(camera); CameraConfiguration config; - StreamConfiguration cfg{}; + StreamConfiguration cfg; cfg.pixelFormat = V4L2_PIX_FMT_YUYV; cfg.size = { 640, 480 }; cfg.bufferCount = 4; - config[&data->stream_] = cfg; + config.addConfiguration(cfg); return config; } -int PipelineHandlerUVC::configure(Camera *camera, - const CameraConfiguration &config) +int PipelineHandlerUVC::configure(Camera *camera, CameraConfiguration &config) { UVCCameraData *data = cameraData(camera); - const StreamConfiguration *cfg = &config[&data->stream_]; + StreamConfiguration &cfg = config[0]; int ret; V4L2DeviceFormat format = {}; - format.fourcc = cfg->pixelFormat; - format.size = cfg->size; + format.fourcc = cfg.pixelFormat; + format.size = cfg.size; ret = data->video_->setFormat(&format); if (ret) return ret; - if (format.size != cfg->size || - format.fourcc != cfg->pixelFormat) + if (format.size != cfg.size || + format.fourcc != cfg.pixelFormat) return -EINVAL; + cfg.setStream(&data->stream_); + return 0; } |