mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-15 12:56:33 +00:00
8650c7a42a
Attach meta if downstream supports it whatever the negotiated memory type is, or just silently passthrough when meta is not supported Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4945>
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/* 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 */
|