mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
07ba225183
Forward custom meta to peer ipcsrc elements Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6006>
188 lines
6.9 KiB
C++
188 lines
6.9 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/cuda/gstcuda.h>
|
|
#include <string>
|
|
#include <vector>
|
|
#ifdef G_OS_WIN32
|
|
#include <windows.h>
|
|
#else
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
/*
|
|
* Communication Sequence
|
|
*
|
|
* +--------+ +--------+
|
|
* | client | | server |
|
|
* +--------+ +--------+
|
|
* | |
|
|
* | |
|
|
* +<---------- CONFIG ------------|
|
|
* | |
|
|
* +--------- NEED-DATA ---------->|
|
|
* | +-------+
|
|
* | | Export
|
|
* | | CUDA memory
|
|
* | +<------+
|
|
* +<-------- HAVE-DATA -----------|
|
|
* +--------+ |
|
|
* Import | |
|
|
* CUDA memory | |
|
|
* +------->+ |
|
|
* |--------- READ-DONE ---------->|
|
|
* +--------+ |
|
|
* Release | |
|
|
* CUDA memory | |
|
|
* +--------| |
|
|
* |-------- RELEASE-DATA -------->|
|
|
* | |
|
|
* +--------- NEED-DATA ---------->|
|
|
* | |
|
|
* |<----------- EOS --------------|
|
|
* +--------+ |
|
|
* Cleanup all | |
|
|
* shared resources | |
|
|
* +--------| |
|
|
* |------------ FIN ------------->|
|
|
*/
|
|
|
|
enum class GstCudaIpcPktType : guint8
|
|
{
|
|
UNKNOWN,
|
|
CONFIG,
|
|
NEED_DATA,
|
|
HAVE_DATA,
|
|
READ_DONE,
|
|
RELEASE_DATA,
|
|
HAVE_MMAP_DATA,
|
|
RELEASE_MMAP_DATA,
|
|
EOS,
|
|
FIN,
|
|
};
|
|
|
|
#ifdef G_OS_WIN32
|
|
typedef HANDLE GstCudaSharableHandle;
|
|
typedef DWORD GstCudaPid;
|
|
#define GST_CUDA_OS_HANDLE_FORMAT "p"
|
|
#else
|
|
typedef int GstCudaSharableHandle;
|
|
typedef pid_t GstCudaPid;
|
|
#define GST_CUDA_OS_HANDLE_FORMAT "d"
|
|
struct OVERLAPPED
|
|
{
|
|
gpointer dummy;
|
|
};
|
|
#endif
|
|
|
|
#pragma pack(push, 1)
|
|
struct GstCudaIpcPacketHeader
|
|
{
|
|
GstCudaIpcPktType type;
|
|
guint32 payload_size;
|
|
guint32 magic;
|
|
};
|
|
|
|
struct GstCudaIpcMemLayout
|
|
{
|
|
guint32 size;
|
|
guint32 max_size;
|
|
guint32 pitch;
|
|
guint32 offset[4];
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
constexpr guint GST_CUDA_IPC_PKT_HEADER_SIZE = sizeof (GstCudaIpcPacketHeader);
|
|
|
|
bool gst_cuda_ipc_pkt_identify (std::vector<guint8> & buf,
|
|
GstCudaIpcPacketHeader & header);
|
|
|
|
bool gst_cuda_ipc_pkt_build_config (std::vector<guint8> & buf,
|
|
GstCudaPid pid,
|
|
gboolean use_mmap,
|
|
GstCaps * caps);
|
|
|
|
bool gst_cuda_ipc_pkt_parse_config (std::vector<guint8> & buf,
|
|
GstCudaPid * pid,
|
|
gboolean * use_mmap,
|
|
GstCaps ** caps);
|
|
|
|
void gst_cuda_ipc_pkt_build_need_data (std::vector<guint8> & buf);
|
|
|
|
bool gst_cuda_ipc_pkt_build_have_data (std::vector<guint8> & buf,
|
|
GstClockTime pts,
|
|
const GstVideoInfo & info,
|
|
const CUipcMemHandle & handle,
|
|
GstCaps * caps,
|
|
const std::vector<guint8> & meta);
|
|
|
|
bool gst_cuda_ipc_pkt_parse_have_data (const std::vector<guint8> & buf,
|
|
GstClockTime & pts,
|
|
GstCudaIpcMemLayout & layout,
|
|
CUipcMemHandle & handle,
|
|
GstCaps ** caps,
|
|
std::vector<guint8> & meta);
|
|
|
|
bool gst_cuda_ipc_pkt_build_have_mmap_data (std::vector<guint8> & buf,
|
|
GstClockTime pts,
|
|
const GstVideoInfo & info,
|
|
guint32 max_size,
|
|
GstCudaSharableHandle handle,
|
|
GstCaps * caps,
|
|
const std::vector<guint8> & meta);
|
|
|
|
bool gst_cuda_ipc_pkt_parse_have_mmap_data (const std::vector<guint8> & buf,
|
|
GstClockTime & pts,
|
|
GstCudaIpcMemLayout & layout,
|
|
GstCudaSharableHandle * handle,
|
|
GstCaps ** caps,
|
|
std::vector<guint8> & meta);
|
|
|
|
void gst_cuda_ipc_pkt_build_read_done (std::vector<guint8> & buf);
|
|
|
|
void gst_cuda_ipc_pkt_build_release_data (std::vector<guint8> & buf,
|
|
const CUipcMemHandle & handle);
|
|
|
|
bool gst_cuda_ipc_pkt_parse_release_data (std::vector<guint8> & buf,
|
|
CUipcMemHandle & handle);
|
|
|
|
void gst_cuda_ipc_pkt_build_release_mmap_data (std::vector<guint8> & buf,
|
|
GstCudaSharableHandle handle);
|
|
|
|
bool gst_cuda_ipc_pkt_parse_release_mmap_data (std::vector<guint8> & buf,
|
|
GstCudaSharableHandle * handle);
|
|
|
|
|
|
void gst_cuda_ipc_pkt_build_eos (std::vector<guint8> & buf);
|
|
|
|
void gst_cuda_ipc_pkt_build_fin (std::vector<guint8> & buf);
|
|
|
|
std::string gst_cuda_ipc_mem_handle_to_string (const CUipcMemHandle & handle);
|
|
|
|
bool gst_cuda_ipc_clock_is_system (GstClock * clock);
|
|
|
|
std::string gst_cuda_ipc_win32_error_to_string (guint err);
|
|
|
|
bool gst_cuda_ipc_handle_is_equal (const CUipcMemHandle & handle,
|
|
const CUipcMemHandle & other);
|