Files
ustreamer/src/stream.h
2018-09-27 11:52:11 +03:00

102 lines
3.1 KiB
C

/*****************************************************************************
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 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 <stdbool.h>
#include <signal.h>
#include <pthread.h>
#include "device.h"
#include "encoder.h"
struct worker_context_t {
unsigned number;
struct device_t *dev;
int buf_index;
struct v4l2_buffer buf_info;
sig_atomic_t *volatile dev_stop;
bool *workers_stop;
struct encoder_t *encoder;
pthread_mutex_t *last_comp_time_mutex;
long double *last_comp_time;
pthread_mutex_t *has_job_mutex;
bool *has_job;
bool *job_failed;
long double *job_start_time;
pthread_cond_t *has_job_cond;
pthread_mutex_t *free_workers_mutex;
unsigned *free_workers;
pthread_cond_t *free_workers_cond;
};
struct worker_t {
struct worker_context_t ctx;
pthread_t tid;
pthread_mutex_t last_comp_time_mutex;
long double last_comp_time;
pthread_mutex_t has_job_mutex;
bool has_job;
bool job_failed;
long double job_start_time;
pthread_cond_t has_job_cond;
struct worker_t *order_prev;
struct worker_t *order_next;
};
struct workers_pool_t {
struct worker_t*workers;
bool *workers_stop;
pthread_mutex_t free_workers_mutex;
unsigned free_workers;
pthread_cond_t free_workers_cond;
struct encoder_t *encoder;
};
struct stream_t {
struct picture_t picture;
unsigned width;
unsigned height;
unsigned fps;
bool updated;
pthread_mutex_t mutex;
struct device_t *dev;
struct encoder_t *encoder;
};
struct stream_t *stream_init(struct device_t *dev, struct encoder_t *encoder);
void stream_destroy(struct stream_t *stream);
void stream_loop(struct stream_t *stream);
void stream_loop_break(struct stream_t *stream);