mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c6a6c56cdf
* 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>
260 lines
9.2 KiB
C
260 lines
9.2 KiB
C
/* GStreamer
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* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* SPDX-License-Identifier: MIT
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*/
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#pragma once
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#include <windows.h>
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/*
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* Communication Sequence
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*
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* +--------+ +--------+
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* | client | | server |
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* +--------+ +--------+
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* | |
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* +--------- NEED-DATA ---------->|
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* | +-------+
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* | | prepare named
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* | | shared-memory
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* | +<------+
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* +<-- HAVE-DATA (w/ shm name) ---|
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* +--------+ |
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* Open named | |
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* shared-memory | |
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* +------->+ |
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* |--------- READ-DONE ---------->|
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* | |
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* +--------+ |
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* release | |
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* shared-memory | |
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* +--------| |
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* |------- RELEASE-Data---------->|
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*/
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typedef enum
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{
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WIN32_IPC_PKT_UNKNOWN,
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WIN32_IPC_PKT_NEED_DATA,
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WIN32_IPC_PKT_HAVE_DATA,
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WIN32_IPC_PKT_READ_DONE,
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WIN32_IPC_PKT_RELEASE_DATA,
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} Win32IpcPktType;
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/* Same as GstVideoFormat */
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typedef enum
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{
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WIN32_IPC_VIDEO_FORMAT_UNKNOWN,
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WIN32_IPC_VIDEO_FORMAT_ENCODED,
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WIN32_IPC_VIDEO_FORMAT_I420,
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WIN32_IPC_VIDEO_FORMAT_YV12,
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WIN32_IPC_VIDEO_FORMAT_YUY2,
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WIN32_IPC_VIDEO_FORMAT_UYVY,
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WIN32_IPC_VIDEO_FORMAT_AYUV,
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WIN32_IPC_VIDEO_FORMAT_RGBx,
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WIN32_IPC_VIDEO_FORMAT_BGRx,
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WIN32_IPC_VIDEO_FORMAT_xRGB,
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WIN32_IPC_VIDEO_FORMAT_xBGR,
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WIN32_IPC_VIDEO_FORMAT_RGBA,
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WIN32_IPC_VIDEO_FORMAT_BGRA,
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WIN32_IPC_VIDEO_FORMAT_ARGB,
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WIN32_IPC_VIDEO_FORMAT_ABGR,
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WIN32_IPC_VIDEO_FORMAT_RGB,
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WIN32_IPC_VIDEO_FORMAT_BGR,
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WIN32_IPC_VIDEO_FORMAT_Y41B,
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WIN32_IPC_VIDEO_FORMAT_Y42B,
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WIN32_IPC_VIDEO_FORMAT_YVYU,
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WIN32_IPC_VIDEO_FORMAT_Y444,
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WIN32_IPC_VIDEO_FORMAT_v210,
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WIN32_IPC_VIDEO_FORMAT_v216,
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WIN32_IPC_VIDEO_FORMAT_NV12,
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WIN32_IPC_VIDEO_FORMAT_NV21,
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WIN32_IPC_VIDEO_FORMAT_GRAY8,
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WIN32_IPC_VIDEO_FORMAT_GRAY16_BE,
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WIN32_IPC_VIDEO_FORMAT_GRAY16_LE,
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WIN32_IPC_VIDEO_FORMAT_v308,
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WIN32_IPC_VIDEO_FORMAT_RGB16,
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WIN32_IPC_VIDEO_FORMAT_BGR16,
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WIN32_IPC_VIDEO_FORMAT_RGB15,
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WIN32_IPC_VIDEO_FORMAT_BGR15,
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WIN32_IPC_VIDEO_FORMAT_UYVP,
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WIN32_IPC_VIDEO_FORMAT_A420,
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WIN32_IPC_VIDEO_FORMAT_RGB8P,
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WIN32_IPC_VIDEO_FORMAT_YUV9,
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WIN32_IPC_VIDEO_FORMAT_YVU9,
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WIN32_IPC_VIDEO_FORMAT_IYU1,
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WIN32_IPC_VIDEO_FORMAT_ARGB64,
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WIN32_IPC_VIDEO_FORMAT_AYUV64,
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WIN32_IPC_VIDEO_FORMAT_r210,
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WIN32_IPC_VIDEO_FORMAT_I420_10BE,
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WIN32_IPC_VIDEO_FORMAT_I420_10LE,
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WIN32_IPC_VIDEO_FORMAT_I422_10BE,
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WIN32_IPC_VIDEO_FORMAT_I422_10LE,
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WIN32_IPC_VIDEO_FORMAT_Y444_10BE,
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WIN32_IPC_VIDEO_FORMAT_Y444_10LE,
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WIN32_IPC_VIDEO_FORMAT_GBR,
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WIN32_IPC_VIDEO_FORMAT_GBR_10BE,
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WIN32_IPC_VIDEO_FORMAT_GBR_10LE,
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WIN32_IPC_VIDEO_FORMAT_NV16,
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WIN32_IPC_VIDEO_FORMAT_NV24,
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WIN32_IPC_VIDEO_FORMAT_NV12_64Z32,
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WIN32_IPC_VIDEO_FORMAT_A420_10BE,
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WIN32_IPC_VIDEO_FORMAT_A420_10LE,
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WIN32_IPC_VIDEO_FORMAT_A422_10BE,
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WIN32_IPC_VIDEO_FORMAT_A422_10LE,
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WIN32_IPC_VIDEO_FORMAT_A444_10BE,
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WIN32_IPC_VIDEO_FORMAT_A444_10LE,
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WIN32_IPC_VIDEO_FORMAT_NV61,
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WIN32_IPC_VIDEO_FORMAT_P010_10BE,
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WIN32_IPC_VIDEO_FORMAT_P010_10LE,
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WIN32_IPC_VIDEO_FORMAT_IYU2,
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WIN32_IPC_VIDEO_FORMAT_VYUY,
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WIN32_IPC_VIDEO_FORMAT_GBRA,
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WIN32_IPC_VIDEO_FORMAT_GBRA_10BE,
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WIN32_IPC_VIDEO_FORMAT_GBRA_10LE,
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WIN32_IPC_VIDEO_FORMAT_GBR_12BE,
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WIN32_IPC_VIDEO_FORMAT_GBR_12LE,
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WIN32_IPC_VIDEO_FORMAT_GBRA_12BE,
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WIN32_IPC_VIDEO_FORMAT_GBRA_12LE,
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WIN32_IPC_VIDEO_FORMAT_I420_12BE,
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WIN32_IPC_VIDEO_FORMAT_I420_12LE,
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WIN32_IPC_VIDEO_FORMAT_I422_12BE,
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WIN32_IPC_VIDEO_FORMAT_I422_12LE,
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WIN32_IPC_VIDEO_FORMAT_Y444_12BE,
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WIN32_IPC_VIDEO_FORMAT_Y444_12LE,
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WIN32_IPC_VIDEO_FORMAT_GRAY10_LE32,
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WIN32_IPC_VIDEO_FORMAT_NV12_10LE32,
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WIN32_IPC_VIDEO_FORMAT_NV16_10LE32,
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WIN32_IPC_VIDEO_FORMAT_NV12_10LE40,
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WIN32_IPC_VIDEO_FORMAT_Y210,
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WIN32_IPC_VIDEO_FORMAT_Y410,
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WIN32_IPC_VIDEO_FORMAT_VUYA,
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WIN32_IPC_VIDEO_FORMAT_BGR10A2_LE,
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WIN32_IPC_VIDEO_FORMAT_RGB10A2_LE,
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WIN32_IPC_VIDEO_FORMAT_Y444_16BE,
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WIN32_IPC_VIDEO_FORMAT_Y444_16LE,
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WIN32_IPC_VIDEO_FORMAT_P016_BE,
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WIN32_IPC_VIDEO_FORMAT_P016_LE,
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WIN32_IPC_VIDEO_FORMAT_P012_BE,
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WIN32_IPC_VIDEO_FORMAT_P012_LE,
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WIN32_IPC_VIDEO_FORMAT_Y212_BE,
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WIN32_IPC_VIDEO_FORMAT_Y212_LE,
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WIN32_IPC_VIDEO_FORMAT_Y412_BE,
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WIN32_IPC_VIDEO_FORMAT_Y412_LE,
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WIN32_IPC_VIDEO_FORMAT_NV12_4L4,
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WIN32_IPC_VIDEO_FORMAT_NV12_32L32,
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WIN32_IPC_VIDEO_FORMAT_RGBP,
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WIN32_IPC_VIDEO_FORMAT_BGRP,
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WIN32_IPC_VIDEO_FORMAT_AV12,
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WIN32_IPC_VIDEO_FORMAT_ARGB64_LE,
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WIN32_IPC_VIDEO_FORMAT_ARGB64_BE,
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WIN32_IPC_VIDEO_FORMAT_RGBA64_LE,
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WIN32_IPC_VIDEO_FORMAT_RGBA64_BE,
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WIN32_IPC_VIDEO_FORMAT_BGRA64_LE,
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WIN32_IPC_VIDEO_FORMAT_BGRA64_BE,
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WIN32_IPC_VIDEO_FORMAT_ABGR64_LE,
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WIN32_IPC_VIDEO_FORMAT_ABGR64_BE,
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WIN32_IPC_VIDEO_FORMAT_NV12_16L32S,
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WIN32_IPC_VIDEO_FORMAT_NV12_8L128,
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WIN32_IPC_VIDEO_FORMAT_NV12_10BE_8L128,
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} Win32IpcVideoFormat;
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typedef struct
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{
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Win32IpcVideoFormat format;
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UINT32 width;
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UINT32 height;
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UINT32 fps_n;
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UINT32 fps_d;
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UINT32 par_n;
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UINT32 par_d;
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/* the size of memory */
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UINT64 size;
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/* plane offsets */
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UINT64 offset[4];
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/* stride of each plane */
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UINT32 stride[4];
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/* QPC time */
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UINT64 qpc;
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} Win32IpcVideoInfo;
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/* 1 byte (type) + 8 byte (seq-num) */
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#define WIN32_IPC_PKT_NEED_DATA_SIZE 9
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/* 1 byte (type) + 8 byte (seq-num) + N bytes (name) + 4 (format) +
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* 4 (width) + 4 (height) + 4 (fps_n) + 4 (fps_d) + 4 (par_n) + 4 (par_d) +
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* 8 (size) + 8 * 4 (offset) + 4 * 4 (stride) + 8 (timestamp) */
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#define WIN32_IPC_PKT_HAVE_DATA_SIZE 101
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/* 1 byte (type) + 8 byte (seq-num) */
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#define WIN32_IPC_PKT_READ_DONE_SIZE 5
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const char * win32_ipc_pkt_type_to_string (Win32IpcPktType type);
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Win32IpcPktType win32_ipc_pkt_type_from_raw (UINT8 type);
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UINT8 win32_ipc_pkt_type_to_raw (Win32IpcPktType type);
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UINT32 win32_ipc_pkt_build_need_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 seq_num);
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BOOL win32_ipc_pkt_parse_need_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 * seq_num);
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UINT32 win32_ipc_pkt_build_have_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 seq_num,
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const char * mmf_name,
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const Win32IpcVideoInfo * info);
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BOOL win32_ipc_pkt_parse_have_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 * seq_num,
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char * mmf_name,
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Win32IpcVideoInfo * info);
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UINT32 win32_ipc_pkt_build_read_done (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 seq_num);
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BOOL win32_ipc_pkt_parse_read_done (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 * seq_num);
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UINT32 win32_ipc_pkt_build_release_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 seq_num,
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const char * mmf_name);
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BOOL win32_ipc_pkt_parse_release_data (UINT8 * pkt,
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UINT32 pkt_size,
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UINT64 * seq_num,
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char * mmf_name);
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G_END_DECLS
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