rtmppkt.h
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1 /*
2  * RTMP packet utilities
3  * Copyright (c) 2009 Kostya Shishkov
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_RTMPPKT_H
23 #define AVFORMAT_RTMPPKT_H
24 
25 #include "avformat.h"
26 #include "url.h"
27 
29 #define RTMP_CHANNELS 65599
30 
41 };
42 
46 typedef enum RTMPPacketType {
62 
71 };
72 
76 typedef struct RTMPPacket {
77  int channel_id;
79  uint32_t timestamp;
80  uint32_t ts_delta;
81  uint32_t extra;
82  uint8_t *data;
83  int size;
84 } RTMPPacket;
85 
96 int ff_rtmp_packet_create(RTMPPacket *pkt, int channel_id, RTMPPacketType type,
97  int timestamp, int size);
98 
105 
117  int chunk_size, RTMPPacket *prev_pkt);
118 
130  int chunk_size, RTMPPacket *prev_pkt);
131 
138 void ff_rtmp_packet_dump(void *ctx, RTMPPacket *p);
139 
153 int ff_amf_tag_size(const uint8_t *data, const uint8_t *data_end);
154 
165 int ff_amf_get_field_value(const uint8_t *data, const uint8_t *data_end,
166  const uint8_t *name, uint8_t *dst, int dst_size);
167 
174 void ff_amf_write_bool(uint8_t **dst, int val);
175 
182 void ff_amf_write_number(uint8_t **dst, double num);
183 
190 void ff_amf_write_string(uint8_t **dst, const char *str);
191 
197 void ff_amf_write_null(uint8_t **dst);
198 
204 void ff_amf_write_object_start(uint8_t **dst);
205 
212 void ff_amf_write_field_name(uint8_t **dst, const char *str);
213 
219 void ff_amf_write_object_end(uint8_t **dst);
220 
226 int ff_amf_match_string(const uint8_t *data, int size, const char *str);
227  // AMF funcs
229 
230 #endif /* AVFORMAT_RTMPPKT_H */