[libcamera-devel,v5,11/23] libcamera: pipeline: uvcvideo: Filter out unsupported formats

Message ID 20200709132835.112593-12-paul.elder@ideasonboard.com
State Accepted
Headers show
Series
  • Clean up formats in v4l2-compat and pipeline handlers
Related show

Commit Message

Paul Elder July 9, 2020, 1:28 p.m. UTC
Unsupported formats should not be added to the configuration when
generating the configuration. Filter them out.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

---
No change in v5

Cosmetic change in v4

No change in v3
---
 src/libcamera/pipeline/uvcvideo/uvcvideo.cpp | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

Patch

diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
index 80a0e77..9db69dd 100644
--- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
+++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
@@ -161,14 +161,11 @@  CameraConfiguration *PipelineHandlerUVC::generateConfiguration(Camera *camera,
 	std::map<V4L2PixelFormat, std::vector<SizeRange>> v4l2Formats =
 		data->video_->formats();
 	std::map<PixelFormat, std::vector<SizeRange>> deviceFormats;
-	std::transform(v4l2Formats.begin(), v4l2Formats.end(),
-		       std::inserter(deviceFormats, deviceFormats.begin()),
-		       [&](const decltype(v4l2Formats)::value_type &format) {
-			       return decltype(deviceFormats)::value_type{
-				       format.first.toPixelFormat(),
-				       format.second
-			       };
-		       });
+	for (const auto &format : v4l2Formats) {
+		PixelFormat pixelFormat = format.first.toPixelFormat();
+		if (pixelFormat.isValid())
+			deviceFormats[pixelFormat] = format.second;
+	}
 
 	StreamFormats formats(deviceFormats);
 	StreamConfiguration cfg(formats);