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jp9000
f53df7da64
Code submissions have continually suffered from formatting inconsistencies that constantly have to be addressed. Using clang-format simplifies this by making code formatting more consistent, and allows automation of the code formatting so that maintainers can focus more on the code itself instead of code formatting.
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* Copyright (c) 2015 John R. Bradley <jrb@turrettech.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#define AV_SYNC_THRESHOLD 0.01
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#define AV_NOSYNC_THRESHOLD 10.0
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#include <stdbool.h>
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#include <stdint.h>
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#include <pthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum ff_av_sync_type {
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AV_SYNC_AUDIO_MASTER,
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AV_SYNC_VIDEO_MASTER,
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AV_SYNC_EXTERNAL_MASTER,
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};
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typedef double (*ff_sync_clock)(void *opaque);
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struct ff_clock {
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ff_sync_clock sync_clock;
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enum ff_av_sync_type sync_type;
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uint64_t start_time;
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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volatile long retain;
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bool started;
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void *opaque;
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};
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typedef struct ff_clock ff_clock_t;
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struct ff_clock *ff_clock_init(void);
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double ff_get_sync_clock(struct ff_clock *clock);
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struct ff_clock *ff_clock_retain(struct ff_clock *clock);
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struct ff_clock *ff_clock_move(struct ff_clock **clock);
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void ff_clock_release(struct ff_clock **clock);
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int64_t ff_clock_start_time(struct ff_clock *clock);
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bool ff_clock_start(struct ff_clock *clock, enum ff_av_sync_type sync_type,
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const bool *abort);
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#ifdef __cplusplus
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}
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#endif
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