Files
ustreamer/src/libs/memsink.h
2021-01-11 04:11:05 +03:00

82 lines
2.7 KiB
C

/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018-2021 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program 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 General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include "tools.h"
#include "logging.h"
#include "frame.h"
#ifndef CFG_MEMSINK_MAX_DATA
# define CFG_MEMSINK_MAX_DATA 33554432
#endif
#define MEMSINK_MAX_DATA ((size_t)(CFG_MEMSINK_MAX_DATA))
typedef struct {
uint64_t id;
size_t used;
unsigned width;
unsigned height;
unsigned format;
unsigned stride;
bool online;
long double grab_ts;
long double encode_begin_ts;
long double encode_end_ts;
long double last_consumed_ts;
uint8_t data[MEMSINK_MAX_DATA];
} memsink_shared_s;
typedef struct {
const char *name;
const char *obj;
bool server;
bool rm;
unsigned timeout;
int fd;
memsink_shared_s *mem;
uint64_t last_id;
bool has_clients; // Only for server
} memsink_s;
memsink_s *memsink_init(const char *name, const char *obj, bool server, mode_t mode, bool rm, unsigned timeout);
void memsink_destroy(memsink_s *sink);
int memsink_server_put(memsink_s *sink, const frame_s *frame);
int memsink_client_get(memsink_s *sink, frame_s *frame);