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/*
* 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_BSF_INTERNAL_H
#define AVCODEC_BSF_INTERNAL_H
#include "libavutil/log.h"
#include "bsf.h"
#include "packet.h"
typedef struct FFBitStreamFilter {
/**
* The public AVBitStreamFilter. See bsf.h for it.
*/
AVBitStreamFilter p;
int priv_data_size;
int (*init)(AVBSFContext *ctx);
int (*filter)(AVBSFContext *ctx, AVPacket *pkt);
void (*close)(AVBSFContext *ctx);
void (*flush)(AVBSFContext *ctx);
} FFBitStreamFilter;
/**
* Called by the bitstream filters to get the next packet for filtering.
* The filter is responsible for either freeing the packet or passing it to the
* caller.
*/
int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt);
/**
* Called by bitstream filters to get packet for filtering.
* The reference to packet is moved to provided packet structure.
*
* @param ctx pointer to AVBSFContext of filter
* @param pkt pointer to packet to move reference to
*
* @return 0 on success, negative AVERROR in case of failure
*/
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt);
const AVClass *ff_bsf_child_class_iterate(void **opaque);
#endif /* AVCODEC_BSF_INTERNAL_H */
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