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-rw-r--r--media/ffvpx/libavutil/wchar_filename.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/wchar_filename.h b/media/ffvpx/libavutil/wchar_filename.h
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+++ b/media/ffvpx/libavutil/wchar_filename.h
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+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_WCHAR_FILENAME_H
+#define AVUTIL_WCHAR_FILENAME_H
+
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#include <windows.h>
+#include "mem.h"
+
+av_warn_unused_result
+static inline int utf8towchar(const char *filename_utf8, wchar_t **filename_w)
+{
+ int num_chars;
+ num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
+ if (num_chars <= 0) {
+ *filename_w = NULL;
+ return 0;
+ }
+ *filename_w = (wchar_t *)av_mallocz_array(num_chars, sizeof(wchar_t));
+ if (!*filename_w) {
+ errno = ENOMEM;
+ return -1;
+ }
+ MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, *filename_w, num_chars);
+ return 0;
+}
+#endif
+
+#endif /* AVUTIL_WCHAR_FILENAME_H */