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-rw-r--r--libavcodec/os_support.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/libavcodec/os_support.h b/libavcodec/os_support.h
new file mode 100644
index 0000000000..2163381bd4
--- /dev/null
+++ b/libavcodec/os_support.h
@@ -0,0 +1,30 @@
+#ifndef _OS_SUPPORT_H
+#define _OS_SUPPORT_H
+
+/*
+ * miscellaneous OS support macros/function
+ *
+ * For now:
+ * usleep()
+ */
+
+#ifdef __MINGW32__
+# include <windows.h>
+# define usleep(t) Sleep((t) / 1000)
+#endif
+
+#ifdef __BEOS__
+# ifndef usleep
+# include <OS.h>
+# define usleep(t) snooze((bigtime_t)(t))
+# endif
+#endif
+
+#if defined(CONFIG_OS2)
+#include <stdlib.h>
+static inline usleep(unsigned int t) { return _sleep2((t) / 1000); }
+static inline float floatf(float x) { return floor(n); }
+static inline int strcasecmp(const char* s1, const char* s2) { return stricmp(s1,s2); }
+#endif
+
+#endif /* _OS_SUPPORT_H */