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libcamera: v4l2PixelFormat: Replace hex with fourCC

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Print fourCC characters instead of the hex value in toString() as they are
more informative. Also, write the tests for this in formats.cpp

Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Kaaira Gupta 2020-03-27 01:44:00 +05:30 • committed by Kieran Bingham
parent 6f553040fd
commit 2fbab8b077
2 changed files with 40 additions and 3 deletions
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23
test/v4l2_videodevice/formats.cpp
View file

@ -8,6 +8,7 @@
#include <iostream>
#include <limits.h>
#include "utils.h"
#include "v4l2_videodevice.h"
#include "v4l2_videodevice_test.h"
@ -47,6 +48,28 @@ protected:
return TestFail;
}
std::vector<std::pair<uint32_t, const char *>> formats{
{ V4L2_PIX_FMT_YUYV, "YUYV" },
{ 0, "<INVALID>" },
{ v4l2_fourcc(0, 1, 2, 3), "...." },
{ V4L2_PIX_FMT_Y16_BE, "Y16 -BE" }
};
for (const auto &format : formats) {
if (V4L2PixelFormat(format.first).toString() != format.second) {
cerr << "Failed to convert V4L2PixelFormat"
<< utils::hex(format.first) << "to string"
<< endl;
return TestFail;
}
}
if (V4L2PixelFormat().toString() != "<INVALID>") {
cerr << "Failed to convert default V4L2PixelFormat to string"
<< endl;
return TestFail;
}
return TestPass;
}
};