add fourcc

mpromonet · May 22, 2020 · 283c43c · 283c43c
1 parent 1d7b39c
commit 283c43c
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diff --git a/inc/V4l2Device.h b/inc/V4l2Device.h
@@ -92,6 +92,7 @@ class V4l2Device
 		void queryFormat();	
 
 		static std::string fourcc(unsigned int format);
+		static unsigned int fourcc(const char* format);
 
 	protected:
 		V4L2DeviceParameters m_params;

diff --git a/src/V4l2Device.cpp b/src/V4l2Device.cpp
@@ -25,6 +25,16 @@ std::string V4l2Device::fourcc(unsigned int format) {
 	return std::string(formatArray, strlen(formatArray));
 }
 
+unsigned int V4l2Device::fourcc(const char* format) {
+	char fourcc[4];
+	memset(&fourcc, 0, sizeof(fourcc));
+	if (format != NULL)
+	{
+		strncpy(fourcc, format, 4);	
+	}
+	return v4l2_fourcc(fourcc[0], fourcc[1], fourcc[2], fourcc[3]);	
+}
+
 // -----------------------------------------
 //    V4L2Device
 // -----------------------------------------