rm.h
Go to the documentation of this file.
1 /*
2  * "Real" compatible muxer and demuxer.
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVFORMAT_RM_H
23 #define AVFORMAT_RM_H
24 
25 #include "avformat.h"
26 #include "internal.h"
27 
28 extern const char * const ff_rm_metadata[4];
29 extern const unsigned char ff_sipr_subpk_size[4];
30 extern const AVCodecTag ff_rm_codec_tags[];
31 
32 typedef struct RMStream RMStream;
33 
35 void ff_rm_free_rmstream (RMStream *rms);
36 
37 /*< input format for Realmedia-style RTSP streams */
39 
53  AVStream *st, RMStream *rst,
54  int codec_data_size);
55 
74  AVStream *st, RMStream *rst, int len,
75  AVPacket *pkt, int *seq, int flags, int64_t ts);
76 
94  AVStream *st, RMStream *rst, AVPacket *pkt);
95 
101 void ff_rm_reorder_sipr_data(uint8_t *buf, int sub_packet_h, int framesize);
102 
103 #endif /* AVFORMAT_RM_H */
Bytestream IO Context.
Definition: avio.h:68
const AVCodecTag ff_rm_codec_tags[]
Definition: rm.c:31
RMStream * ff_rm_alloc_rmstream(void)
Definition: rmdec.c:121
Definition: rmdec.c:37
Format I/O context.
Definition: avformat.h:863
int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb, AVStream *st, RMStream *rst, int codec_data_size)
Read the MDPR chunk, which contains stream-specific codec initialization parameters.
Definition: rmdec.c:298
int ff_rm_parse_packet(AVFormatContext *s, AVIOContext *pb, AVStream *st, RMStream *rst, int len, AVPacket *pkt, int *seq, int flags, int64_t ts)
Parse one rm-stream packet from the input bytestream.
Definition: rmdec.c:744
static int flags
Definition: log.c:34
const unsigned char ff_sipr_subpk_size[4]
Definition: rmdec.c:75
AVPacket pkt
place to store merged video frame / reordered audio data
Definition: rmdec.c:38
Stream structure.
Definition: avformat.h:620
int ff_rm_retrieve_cache(AVFormatContext *s, AVIOContext *pb, AVStream *st, RMStream *rst, AVPacket *pkt)
Retrieve one cached packet from the rm-context.
Definition: rmdec.c:834
int sub_packet_h
Definition: rmdec.c:47
Main libavformat public API header.
void ff_rm_free_rmstream(RMStream *rms)
Definition: rmdec.c:128
void ff_rm_reorder_sipr_data(uint8_t *buf, int sub_packet_h, int framesize)
Perform 4-bit block reordering for SIPR data.
Definition: rmdec.c:721
int len
AVInputFormat ff_rdt_demuxer
Definition: rmdec.c:990
const char *const ff_rm_metadata[4]
Definition: rm.c:24