Initial import from SVN

av/Common.hpp

@@ -0,0 +1,44 @@
+#ifndef TRANSCODE_COMMON_HPP__
+#define TRANSCODE_COMMON_HPP__
+
+// Hack to properly iinclude libavcodec/avcodec.h...
+//
+#define __STDC_CONSTANT_MACROS
+#ifdef _STDINT_H
+#undef _STDINT_H
+#endif
+# include <stdint.h>
+extern "C" {
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+#include <libavutil/channel_layout.h>
+#include <libavutil/mathematics.h>
+}
+
+#include <string>
+
+
+void AvInit();
+
+class AvError
+{
+	public:
+		AvError() : _errnum(0) {}
+		AvError(int ernum) : _errnum(ernum) {}
+
+		void operator=(int errnum) { _errnum = errnum; }
+
+		operator bool() { return _errnum < 0; }
+
+		std::string to_str() const;
+
+		friend std::ostream& operator<<(std::ostream& ost, const AvError&);
+
+		bool eof() { return _errnum == AVERROR_EOF; } // TODO
+
+	private:
+		int _errnum;
+};
+
+
+#endif