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FFmpeg/libavcodec/vvc/thread.h
Nuo Mi a9586a00df avcodec/vvcdec: ff_vvc_frame_submit, avoid initializing task twice.
For some error bitstreams, a CTU belongs to two slices/entry points.
If the decoder initializes and submmits the CTU task twice, it may crash the program
or cause it to enter an infinite loop.

Reported-by: Frank Plowman <post@frankplowman.com>
2024-05-06 20:22:42 +08:00

37 lines
1.2 KiB
C

/*
* VVC thread logic
*
* Copyright (C) 2023 Nuo Mi
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VVC_THREAD_H
#define AVCODEC_VVC_THREAD_H
#include "dec.h"
struct AVExecutor* ff_vvc_executor_alloc(VVCContext *s, int thread_count);
void ff_vvc_executor_free(struct AVExecutor **e);
int ff_vvc_frame_thread_init(VVCFrameContext *fc);
void ff_vvc_frame_thread_free(VVCFrameContext *fc);
int ff_vvc_frame_submit(VVCContext *s, VVCFrameContext *fc);
int ff_vvc_frame_wait(VVCContext *s, VVCFrameContext *fc);
#endif // AVCODEC_VVC_THREAD_H