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libcamera: rpi: Change default stream formats

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Switch to XRGB8888 as a default Viewfinder role output format, this is a
more correct description of the ISP hardware output, and what is
accepted by the Raspberry Pi hardware.

Switch to YUV420 as a default output format for everything else, as this
format is best supported by encoding (e.g. H.264, JPEG) sinks on the
Raspberry Pi platform.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2023-09-21 18:55:48 +02:00 • committed by Laurent Pinchart
parent 723c0abb40
commit b60a5c34fb
1 changed files with 3 additions and 3 deletions
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6
src/libcamera/pipeline/rpi/common/pipeline_base.cpp
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@ -268,7 +268,7 @@ CameraConfiguration::Status RPiCameraConfiguration::validate()
if (fmts.find(out.dev->toV4L2PixelFormat(cfgPixFmt)) == fmts.end()) {
/* If we cannot find a native format, use a default one. */
cfgPixFmt = formats::NV12;
cfgPixFmt = formats::YUV420;
status = Adjusted;
}
@ -431,7 +431,7 @@ PipelineHandlerBase::generateConfiguration(Camera *camera, Span<const StreamRole
case StreamRole::StillCapture:
fmts = data->ispFormats();
pixelFormat = formats::NV12;
pixelFormat = formats::YUV420;
/*
* Still image codecs usually expect the sYCC color space.
* Even RGB codecs will be fine as the RGB we get with the
@ -465,7 +465,7 @@ PipelineHandlerBase::generateConfiguration(Camera *camera, Span<const StreamRole
case StreamRole::Viewfinder:
fmts = data->ispFormats();
pixelFormat = formats::ARGB8888;
pixelFormat = formats::XRGB8888;
colorSpace = ColorSpace::Sycc;
size = { 800, 600 };
bufferCount = 4;