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https://gitee.com/openharmony/third_party_ffmpeg
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3b0fb00990
Signed-off-by: cyberbox <468042667@qq.com> Change-Id: I63cc2a8c9ff6197c67d6b6b47c124882ad942a22
61 lines
1.9 KiB
C
61 lines
1.9 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_BSF_INTERNAL_H
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#define AVCODEC_BSF_INTERNAL_H
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#include "libavutil/log.h"
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#include "bsf.h"
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#include "packet.h"
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typedef struct FFBitStreamFilter {
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/**
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* The public AVBitStreamFilter. See bsf.h for it.
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*/
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AVBitStreamFilter p;
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int priv_data_size;
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int (*init)(AVBSFContext *ctx);
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int (*filter)(AVBSFContext *ctx, AVPacket *pkt);
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void (*close)(AVBSFContext *ctx);
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void (*flush)(AVBSFContext *ctx);
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} FFBitStreamFilter;
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/**
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* Called by the bitstream filters to get the next packet for filtering.
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* The filter is responsible for either freeing the packet or passing it to the
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* caller.
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*/
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int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt);
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/**
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* Called by bitstream filters to get packet for filtering.
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* The reference to packet is moved to provided packet structure.
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*
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* @param ctx pointer to AVBSFContext of filter
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* @param pkt pointer to packet to move reference to
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*
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* @return 0 on success, negative AVERROR in case of failure
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*/
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int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt);
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const AVClass *ff_bsf_child_class_iterate(void **opaque);
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#endif /* AVCODEC_BSF_INTERNAL_H */
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