mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-11 11:51:34 +00:00
3c5684e085
instead of duplicating the same code Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4794>
146 lines
5.3 KiB
C++
146 lines
5.3 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 <gst/video/video.h>
|
|
#include <gst/d3d11/gstd3d11.h>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <windows.h>
|
|
|
|
/*
|
|
* Communication Sequence
|
|
*
|
|
* +--------+ +--------+
|
|
* | client | | server |
|
|
* +--------+ +--------+
|
|
* | |
|
|
* | |
|
|
* |<---------- CONFIG ------------+
|
|
* | |
|
|
* +--------- NEED-DATA ---------->|
|
|
* | +-------+
|
|
* | | Export
|
|
* | | D3D11 memory
|
|
* | |<------+
|
|
* |<-------- HAVE-DATA -----------+
|
|
* +--------+ |
|
|
* Import | |
|
|
* D3D11 memory | |
|
|
* +------->+ |
|
|
* +--------- READ-DONE ---------->|
|
|
* +--------+ |
|
|
* Release | |
|
|
* D3D11 memory | |
|
|
* +------->| |
|
|
* +-------- RELEASE-DATA -------->|
|
|
* | |
|
|
* +--------- NEED-DATA ---------->|
|
|
* | |
|
|
* |<----------- EOS --------------+
|
|
* +--------+ |
|
|
* Cleanup all | |
|
|
* shared resources | |
|
|
* +------->| |
|
|
* +------------ FIN ------------->|
|
|
*/
|
|
|
|
enum class GstD3D11IpcPktType : guint8
|
|
{
|
|
UNKNOWN,
|
|
CONFIG,
|
|
NEED_DATA,
|
|
HAVE_DATA,
|
|
READ_DONE,
|
|
RELEASE_DATA,
|
|
EOS,
|
|
FIN,
|
|
};
|
|
|
|
#pragma pack(push, 1)
|
|
struct GstD3D11IpcPacketHeader
|
|
{
|
|
GstD3D11IpcPktType type;
|
|
guint32 payload_size;
|
|
guint32 magic;
|
|
};
|
|
|
|
struct GstD3D11IpcMemLayout
|
|
{
|
|
guint32 size;
|
|
guint32 pitch;
|
|
guint32 offset[4];
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
constexpr guint GST_D3D11_IPC_PKT_HEADER_SIZE = sizeof (GstD3D11IpcPacketHeader);
|
|
|
|
#define GST_D3D11_IPC_FORMATS \
|
|
"{ RGBA64_LE, RGB10A2_LE, BGRA, RGBA, BGRx, RGBx, VUYA, NV12, NV21, " \
|
|
"P010_10LE, P012_LE, P016_LE }"
|
|
|
|
bool gst_d3d11_ipc_pkt_identify (std::vector<guint8> & buf,
|
|
GstD3D11IpcPacketHeader & header);
|
|
|
|
bool gst_d3d11_ipc_pkt_build_config (std::vector<guint8> & buf,
|
|
DWORD pid,
|
|
gint64 adapter_luid,
|
|
GstCaps * caps);
|
|
|
|
bool gst_d3d11_ipc_pkt_parse_config (std::vector<guint8> & buf,
|
|
DWORD & pid,
|
|
gint64 & adapter_luid,
|
|
GstCaps ** caps);
|
|
|
|
void gst_d3d11_ipc_pkt_build_need_data (std::vector<guint8> & buf);
|
|
|
|
bool gst_d3d11_ipc_pkt_build_have_data (std::vector<guint8> & buf,
|
|
GstClockTime pts,
|
|
const GstD3D11IpcMemLayout & layout,
|
|
const HANDLE handle,
|
|
GstCaps * caps);
|
|
|
|
bool gst_d3d11_ipc_pkt_parse_have_data (const std::vector<guint8> & buf,
|
|
GstClockTime & pts,
|
|
GstD3D11IpcMemLayout & layout,
|
|
HANDLE & handle,
|
|
GstCaps ** caps);
|
|
|
|
void gst_d3d11_ipc_pkt_build_read_done (std::vector<guint8> & buf);
|
|
|
|
void gst_d3d11_ipc_pkt_build_release_data (std::vector<guint8> & buf,
|
|
const HANDLE handle);
|
|
|
|
bool gst_d3d11_ipc_pkt_parse_release_data (std::vector<guint8> & buf,
|
|
HANDLE & handle);
|
|
|
|
void gst_d3d11_ipc_pkt_build_eos (std::vector<guint8> & buf);
|
|
|
|
void gst_d3d11_ipc_pkt_build_fin (std::vector<guint8> & buf);
|
|
|
|
bool gst_d3d11_ipc_clock_is_system (GstClock * clock);
|
|
|
|
std::string gst_d3d11_ipc_wstring_to_string (const std::wstring & str);
|
|
|
|
std::wstring gst_d3d11_ipc_string_to_wstring (const std::string & str);
|
|
|
|
std::string gst_d3d11_ipc_win32_error_to_string (guint err);
|
|
|