b3551b6072
This is in preparation for further commits that will stop using ThreadFrame for frame-threaded codecs that don't use ff_thread_(await|report)_progress(); the API for those codecs having inter-frame depdendencies will live in threadframe.h. Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/*
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* Copyright (c) 2022 Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 GNU
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* 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 FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_THREADFRAME_H
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#define AVCODEC_THREADFRAME_H
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#include "avcodec.h"
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#include "thread.h"
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/**
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* Notify later decoding threads when part of their reference picture is ready.
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* Call this when some part of the picture is finished decoding.
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* Later calls with lower values of progress have no effect.
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*
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* @param f The picture being decoded.
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* @param progress Value, in arbitrary units, of how much of the picture has decoded.
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* @param field The field being decoded, for field-picture codecs.
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* 0 for top field or frame pictures, 1 for bottom field.
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*/
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void ff_thread_report_progress(ThreadFrame *f, int progress, int field);
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/**
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* Wait for earlier decoding threads to finish reference pictures.
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* Call this before accessing some part of a picture, with a given
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* value for progress, and it will return after the responsible decoding
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* thread calls ff_thread_report_progress() with the same or
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* higher value for progress.
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*
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* @param f The picture being referenced.
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* @param progress Value, in arbitrary units, to wait for.
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* @param field The field being referenced, for field-picture codecs.
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* 0 for top field or frame pictures, 1 for bottom field.
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*/
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void ff_thread_await_progress(ThreadFrame *f, int progress, int field);
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#endif
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