mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-11-06 13:28:17 +00:00
Michael Niedermayer
64aeae9808
Fixes: NULL pointer dereference Fixes: ESfSEfFqsNZe/gray8_hevc_420_10bit_1d.hevc Found during triage/review of the security report yOAdvErxaeGg NULL pointer dereference Replicated through UnModified FFmpeg with ASAN Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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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_LCEVCDEC_H
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#define AVCODEC_LCEVCDEC_H
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#include "config.h"
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#include "libavutil/log.h"
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#include "libavutil/dict.h"
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#include <stdint.h>
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#if CONFIG_LIBLCEVC_DEC
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#include <LCEVC/lcevc_dec.h>
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#else
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typedef uintptr_t LCEVC_DecoderHandle;
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#endif
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struct CodedBitstreamContext;
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struct CodedBitstreamFragment;
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enum {
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FF_LCEVCDEC_UNINIT = 0,
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FF_LCEVCDEC_INIT,
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FF_LCEVCDEC_FAIL,
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};
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typedef struct FFLCEVCContext {
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const AVClass *class;
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LCEVC_DecoderHandle decoder;
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struct CodedBitstreamContext *cbc;
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struct CodedBitstreamFragment *frag;
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struct AVRefStructPool *frame_pool; ///< pool of FFLCEVCFrame
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int64_t last_pts;
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int loglevel;
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int threads;
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int passthrough_mode;
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int allow_dithering;
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int highlight_residuals;
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uint8_t *pipeline;
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int initialized;
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} FFLCEVCContext;
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struct AVFrame;
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typedef struct FFLCEVCFrame {
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FFLCEVCContext *lcevc;
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struct AVFrame *frame;
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} FFLCEVCFrame;
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int ff_lcevc_alloc(FFLCEVCContext **plcevc, AVDictionary **options, int loglevel);
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int ff_lcevc_process(void *logctx, struct AVFrame *frame);
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int ff_lcevc_parse_frame(FFLCEVCContext *lcevc, const struct AVFrame *frame,
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enum AVPixelFormat *format, enum AVPixelFormat *base_format,
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int *width, int *height);
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#endif /* AVCODEC_LCEVCDEC_H */
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