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