FFmpeg
bsf_internal.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_BSF_INTERNAL_H
20 #define AVCODEC_BSF_INTERNAL_H
21 
22 #include "libavutil/log.h"
23 
24 #include "bsf.h"
25 #include "packet.h"
26 
27 typedef struct FFBitStreamFilter {
28  /**
29  * The public AVBitStreamFilter. See bsf.h for it.
30  */
32 
36  void (*close)(AVBSFContext *ctx);
37  void (*flush)(AVBSFContext *ctx);
39 
40 /**
41  * Called by the bitstream filters to get the next packet for filtering.
42  * The filter is responsible for either freeing the packet or passing it to the
43  * caller.
44  */
46 
47 /**
48  * Called by bitstream filters to get packet for filtering.
49  * The reference to packet is moved to provided packet structure.
50  *
51  * @param ctx pointer to AVBSFContext of filter
52  * @param pkt pointer to packet to move reference to
53  *
54  * @return 0 on success, negative AVERROR in case of failure
55  */
57 
58 const AVClass *ff_bsf_child_class_iterate(void **opaque);
59 
60 #endif /* AVCODEC_BSF_INTERNAL_H */
AVBSFContext
The bitstream filter state.
Definition: bsf.h:68
bsf.h
ff_bsf_get_packet_ref
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
Definition: bsf.c:257
pkt
AVPacket * pkt
Definition: movenc.c:59
FFBitStreamFilter::priv_data_size
int priv_data_size
Definition: bsf_internal.h:33
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
FFBitStreamFilter
Definition: bsf_internal.h:27
FFBitStreamFilter::init
int(* init)(AVBSFContext *ctx)
Definition: bsf_internal.h:34
FFBitStreamFilter::p
AVBitStreamFilter p
The public AVBitStreamFilter.
Definition: bsf_internal.h:31
FFBitStreamFilter::flush
void(* flush)(AVBSFContext *ctx)
Definition: bsf_internal.h:37
FFBitStreamFilter::filter
int(* filter)(AVBSFContext *ctx, AVPacket *pkt)
Definition: bsf_internal.h:35
log.h
packet.h
AVBitStreamFilter
Definition: bsf.h:111
FFBitStreamFilter::close
void(* close)(AVBSFContext *ctx)
Definition: bsf_internal.h:36
ff_bsf_child_class_iterate
const AVClass * ff_bsf_child_class_iterate(void **opaque)
Definition: bitstream_filters.c:98
ff_bsf_get_packet
int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt)
Called by the bitstream filters to get the next packet for filtering.
Definition: bsf.c:236
AVPacket
This structure stores compressed data.
Definition: packet.h:351
int
int
Definition: ffmpeg_filter.c:156