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68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*****************************************************************************
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# #
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# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
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# #
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# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#pragma once
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#include <errno.h>
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#include <time.h>
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#include <assert.h>
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#include <pthread.h>
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#include "uslibs/tools.h"
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#include "uslibs/threading.h"
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// Based on https://github.com/seifzadeh/c-pthread-queue/blob/master/queue.h
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typedef struct {
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void **items;
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unsigned size;
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unsigned capacity;
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unsigned in;
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unsigned out;
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pthread_mutex_t mutex;
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pthread_cond_t full_cond;
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pthread_cond_t empty_cond;
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} queue_s;
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#define QUEUE_FREE_ITEMS_AND_DESTROY(_queue, _free_item) { \
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while (!queue_get_free(_queue)) { \
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void *_ptr; \
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assert(!queue_get(_queue, &_ptr, 0.1)); \
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if (_ptr != NULL) { \
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_free_item(_ptr); \
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} \
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} \
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queue_destroy(_queue); \
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}
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queue_s *queue_init(unsigned capacity);
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void queue_destroy(queue_s *queue);
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int queue_put(queue_s *queue, void *item, long double timeout);
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int queue_get(queue_s *queue, void **item, long double timeout);
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int queue_get_free(queue_s *queue);
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