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-rw-r--r--src/libcamera/pipeline/uvcvideo/uvcvideo.cpp44
1 files changed, 22 insertions, 22 deletions
diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
index 22b67faf..be0fbaea 100644
--- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
+++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
@@ -50,6 +50,7 @@ public:
std::unique_ptr<V4L2VideoDevice> video_;
Stream stream_;
+ std::map<PixelFormat, std::vector<SizeRange>> formats_;
private:
bool generateId();
@@ -186,15 +187,7 @@ CameraConfiguration *PipelineHandlerUVC::generateConfiguration(Camera *camera,
if (roles.empty())
return config;
- V4L2VideoDevice::Formats v4l2Formats = data->video_->formats();
- std::map<PixelFormat, std::vector<SizeRange>> deviceFormats;
- for (const auto &format : v4l2Formats) {
- PixelFormat pixelFormat = format.first.toPixelFormat();
- if (pixelFormat.isValid())
- deviceFormats[pixelFormat] = format.second;
- }
-
- StreamFormats formats(deviceFormats);
+ StreamFormats formats(data->formats_);
StreamConfiguration cfg(formats);
cfg.pixelFormat = formats.pixelformats().front();
@@ -445,6 +438,26 @@ int UVCCameraData::init(MediaDevice *media)
return -EINVAL;
}
+ /*
+ * Populate the map of supported formats, and infer the camera sensor
+ * resolution from the largest size it advertises.
+ */
+ Size resolution;
+ for (const auto &format : video_->formats()) {
+ PixelFormat pixelFormat = format.first.toPixelFormat();
+ if (!pixelFormat.isValid())
+ continue;
+
+ formats_[pixelFormat] = format.second;
+
+ const std::vector<SizeRange> &sizeRanges = format.second;
+ for (const SizeRange &sizeRange : sizeRanges) {
+ if (sizeRange.max > resolution)
+ resolution = sizeRange.max;
+ }
+ }
+
+ /* Populate the camera properties. */
properties_.set(properties::Model, utils::toAscii(media->model()));
/*
@@ -475,19 +488,6 @@ int UVCCameraData::init(MediaDevice *media)
properties_.set(properties::Location, location);
- /*
- * Get the current format in order to initialize the sensor array
- * properties.
- */
- Size resolution;
- for (const auto &it : video_->formats()) {
- const std::vector<SizeRange> &sizeRanges = it.second;
- for (const SizeRange &sizeRange : sizeRanges) {
- if (sizeRange.max > resolution)
- resolution = sizeRange.max;
- }
- }
-
properties_.set(properties::PixelArraySize, resolution);
properties_.set(properties::PixelArrayActiveAreas, { Rectangle(resolution) });