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Otherwise the extradata used would be ISOBMFF if the input is even though we use the *_mp4toannexb BSFs to convert it to annex B to feed it to the actual decoder. (The mediacodec decoders also use said BSFs, yet they process the extradata in a way that works even when using the ISOBMFF extradata; in fact, using the converted extradata would break their check for whether to warn for missing extradata for the ISOBMFF without-in-band-header profiles. Furthermore, there are several users of the *_mp4toannexb BSFs that don't ever touch extradata. They have not been touched.) Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
43 lines
1.5 KiB
C
43 lines
1.5 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_DECODE_BSF_H
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#define AVCODEC_DECODE_BSF_H
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#include <stdint.h>
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#include "avcodec.h"
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#include "bsf.h"
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#include "internal.h"
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/**
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* Helper function for decoders that may use a BSF that changes extradata.
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* This function will get the extradata from the BSF.
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*/
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static inline void ff_decode_get_extradata(const AVCodecContext *avctx,
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const uint8_t **extradata,
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int *extradata_size)
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{
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// Given that we unconditionally insert a null BSF when no BSF is
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// explicitly requested, we can just use the BSF's par_out here.
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*extradata = avctx->internal->bsf->par_out->extradata;
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*extradata_size = avctx->internal->bsf->par_out->extradata_size;
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}
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#endif /* AVCODEC_DECODE_BSF_H */
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