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/* GStreamer
* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct
{
GstMeta meta;
GstStream *stream;
GstBuffer *subtitle;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
} GstDWriteSubtitleMeta;
GType gst_dwrite_subtitle_meta_api_get_type (void);
#define GST_DWRITE_SUBTITLE_META_API_TYPE (gst_dwrite_subtitle_meta_api_get_type())
const GstMetaInfo * gst_dwrite_subtitle_meta_get_info (void);
#define GST_DWRITE_SUBTITLE_META_INFO (gst_dwrite_subtitle_meta_get_info())
#define gst_buffer_get_dwrite_subtitle_meta(b) \
((GstDWriteSubtitleMeta *) gst_buffer_get_meta((b), GST_DWRITE_SUBTITLE_META_API_TYPE))
GstDWriteSubtitleMeta * gst_buffer_add_dwrite_subtitle_meta (GstBuffer * buffer,
GstStream * stream,
GstBuffer * subtitle);
gboolean gst_dwrite_is_windows_10_or_greater (void);
G_END_DECLS
#ifdef __cplusplus
#include <string>
#include <mutex>
static inline std::wstring
gst_dwrite_string_to_wstring (const std::string & str)
{
auto tmp = g_utf8_to_utf16 (str.c_str (), -1, nullptr, nullptr, nullptr);
if (!tmp)
return std::wstring ();
std::wstring ret = (wchar_t *) tmp;
g_free (tmp);
return ret;
}
static inline std::string
gst_dwrite_wstring_to_string (const std::wstring & str)
{
auto tmp = g_utf16_to_utf8 ((const gunichar2 *) str.c_str (),
-1, nullptr, nullptr, nullptr);
if (!tmp)
return std::string ();
std::string ret = tmp;
g_free (tmp);
return ret;
}
#define GST_DWRITE_CALL_ONCE_BEGIN \
static std::once_flag __once_flag; \
std::call_once (__once_flag, [&]()
#define GST_DWRITE_CALL_ONCE_END )
#endif /* __cplusplus */
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