1 files changed, 97 insertions, 0 deletions
diff --git a/osdep/windows_utils.c b/osdep/windows_utils.c
new file mode 100644
index 0000000000..ee80a18ef4
--- /dev/null
+++ b/osdep/windows_utils.c
@@ -0,0 +1,97 @@
+/*
+ * 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/>.
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+
+#include <windows.h>
+#include <errors.h>
+#include <audioclient.h>
+
+#include "windows_utils.h"
+
+char *mp_GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid)
+{
+    snprintf(buf, buf_size,
+             "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}",
+             (unsigned) guid->Data1, guid->Data2, guid->Data3,
+             guid->Data4[0], guid->Data4[1],
+             guid->Data4[2], guid->Data4[3],
+             guid->Data4[4], guid->Data4[5],
+             guid->Data4[6], guid->Data4[7]);
+    return buf;
+}
+
+static char *hresult_to_str(const HRESULT hr)
+{
+#define E(x) case x : return # x ;
+    switch (hr) {
+    E(S_OK)
+    E(S_FALSE)
+    E(E_FAIL)
+    E(E_OUTOFMEMORY)
+    E(E_POINTER)
+    E(E_HANDLE)
+    E(E_NOTIMPL)
+    E(E_INVALIDARG)
+    E(E_PROP_ID_UNSUPPORTED)
+    E(E_NOINTERFACE)
+    E(REGDB_E_IIDNOTREG)
+    E(CO_E_NOTINITIALIZED)
+    E(AUDCLNT_E_NOT_INITIALIZED)
+    E(AUDCLNT_E_ALREADY_INITIALIZED)
+    E(AUDCLNT_E_WRONG_ENDPOINT_TYPE)
+    E(AUDCLNT_E_DEVICE_INVALIDATED)
+    E(AUDCLNT_E_NOT_STOPPED)
+    E(AUDCLNT_E_BUFFER_TOO_LARGE)
+    E(AUDCLNT_E_OUT_OF_ORDER)
+    E(AUDCLNT_E_UNSUPPORTED_FORMAT)
+    E(AUDCLNT_E_INVALID_SIZE)
+    E(AUDCLNT_E_DEVICE_IN_USE)
+    E(AUDCLNT_E_BUFFER_OPERATION_PENDING)
+    E(AUDCLNT_E_THREAD_NOT_REGISTERED)
+    E(AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED)
+    E(AUDCLNT_E_ENDPOINT_CREATE_FAILED)
+    E(AUDCLNT_E_SERVICE_NOT_RUNNING)
+    E(AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED)
+    E(AUDCLNT_E_EXCLUSIVE_MODE_ONLY)
+    E(AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL)
+    E(AUDCLNT_E_EVENTHANDLE_NOT_SET)
+    E(AUDCLNT_E_INCORRECT_BUFFER_SIZE)
+    E(AUDCLNT_E_BUFFER_SIZE_ERROR)
+    E(AUDCLNT_E_CPUUSAGE_EXCEEDED)
+    E(AUDCLNT_E_BUFFER_ERROR)
+    E(AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED)
+    E(AUDCLNT_E_INVALID_DEVICE_PERIOD)
+    E(AUDCLNT_E_INVALID_STREAM_FLAG)
+    E(AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE)
+    E(AUDCLNT_E_RESOURCES_INVALIDATED)
+    E(AUDCLNT_S_BUFFER_EMPTY)
+    E(AUDCLNT_S_THREAD_ALREADY_REGISTERED)
+    E(AUDCLNT_S_POSITION_STALLED)
+    default:
+        return "<Unknown>";
+    }
+#undef E
+}
+
+char *mp_HRESULT_to_str_buf(char *buf, size_t buf_size, HRESULT hr)
+{
+    snprintf(buf, buf_size, "%s (0x%"PRIx32")",
+             hresult_to_str(hr), (uint32_t) hr);
+    return buf;
+}