ao_wasapi: move out some utility functions

Note that hresult_to_str() (coming from wasapi_explain_err()) is mostly
wasapi-specific, but since HRESULT error codes are unique, it can be
extended for any other use.

1 files changed, 29 insertions, 0 deletions

diff --git a/osdep/windows_utils.h b/osdep/windows_utils.h
new file mode 100644
index 0000000000..851eb1b4e3
--- /dev/null
+++ b/osdep/windows_utils.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MP_WINDOWS_UTILS_H_
+#define MP_WINDOWS_UTILS_H_
+
+#include <windows.h>
+
+char *mp_GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid);
+#define mp_GUID_to_str(guid) mp_GUID_to_str_buf((char[40]){0}, 40, (guid))
+char *mp_HRESULT_to_str_buf(char *buf, size_t buf_size, HRESULT hr);
+#define mp_HRESULT_to_str(hr) mp_HRESULT_to_str_buf((char[60]){0}, 60, (hr))
+#define mp_LastError_to_str() mp_HRESULT_to_str(HRESULT_FROM_WIN32(GetLastError()))
+
+#endif