gstreamer/subprojects/gst-plugins-bad/sys/win32ipc/gstwin32ipcmemory.h
Seungha Yang c6a6c56cdf win32ipc: Add support for zero-copy rendering
* Extend protocol so that client can notify of releasing shared memory
* Server will hold shared memory object until it's released by client
* Add allocator/buffer pool to reuse shared memory objects and buffers

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3765>
2023-01-27 18:55:13 +00:00

50 lines
1.7 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>
#include "protocol/win32ipcmmf.h"
G_BEGIN_DECLS
#define GST_TYPE_WIN32_IPC_ALLOCATOR (gst_win32_ipc_allocator_get_type())
G_DECLARE_FINAL_TYPE (GstWin32IpcAllocator, gst_win32_ipc_allocator,
GST, WIN32_IPC_ALLOCATOR, GstAllocator);
typedef struct _GstWin32IpcMemory GstWin32IpcMemory;
struct _GstWin32IpcMemory
{
GstMemory mem;
Win32IpcMmf *mmf;
};
gboolean gst_is_win32_ipc_memory (GstMemory * mem);
GstWin32IpcAllocator * gst_win32_ipc_allocator_new (guint size);
gboolean gst_win32_ipc_allocator_set_active (GstWin32IpcAllocator * alloc,
gboolean active);
GstFlowReturn gst_win32_ipc_allocator_acquire_memory (GstWin32IpcAllocator * alloc,
GstMemory ** memory);
G_END_DECLS