mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 17:12:36 +00:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
|
/*
|
||
|
|
* This file is part of mpv video player.
|
||
|
|
*
|
||
|
|
* mpv is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* mpv 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 Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MP_PRESENT_SYNC_H
|
||
|
|
#define MP_PRESENT_SYNC_H
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include "vo.h"
|
||
|
|
|
||
|
|
/* Generic helpers for obtaining presentation feedback from
|
||
|
|
* backend APIs. This requires ust/msc values. */
|
||
|
|
|
||
|
|
struct mp_present {
|
||
|
|
int64_t current_ust;
|
||
|
|
int64_t current_msc;
|
||
|
|
int64_t last_ust;
|
||
|
|
int64_t last_msc;
|
||
|
|
int64_t vsync_duration;
|
||
|
|
int64_t last_skipped_vsyncs;
|
||
|
|
int64_t last_queue_display_time;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Used during the get_vsync call to deliver the presentation statistics to the VO.
|
||
|
|
void present_sync_get_info(struct mp_present *present, struct vo_vsync_info *info);
|
||
|
|
|
||
|
|
// Called after every buffer swap to update presentation statistics.
|
||
|
|
void present_sync_swap(struct mp_present *present);
|
||
|
|
|
||
|
|
// Called anytime the backend delivers new ust/msc values.
|
||
|
|
void present_update_sync_values(struct mp_present *present, int64_t ust,
|
||
|
|
int64_t msc);
|
||
|
|
|
||
|
|
#endif /* MP_PRESENT_SYNC_H */
|