wbm2m: Add resolution and format to output filename

To make it easier to deal with the resulting file, the filename should
show the resolution and pixel format used.

Signed-off-by: Benoit Parrot <bparrot@ti.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/utils/wbm2m.cpp b/utils/wbm2m.cpp
index 4a126a8..e08ffb1 100644
--- a/utils/wbm2m.cpp
+++ b/utils/wbm2m.cpp
@@ -57,8 +57,6 @@ int main(int argc, char** argv)
 	const uint32_t dst_height = 480;
 	auto dst_fmt = PixelFormat::XRGB8888;
 
-	const string filename = "wb-out.raw";
-
 	OptionSet optionset = {
 		Option("f|format=", [&](string s)
 		{
@@ -78,6 +76,9 @@ int main(int argc, char** argv)
 		exit(-1);
 	}
 
+	const string filename = sformat("wb-out-%ux%u_%4.4s.raw", dst_width, dst_height,
+					PixelFormatToFourCC(dst_fmt).c_str());
+
 	VideoDevice vid("/dev/video10");
 
 	Card card;