1 /*
2 * RTP input/output format
3 * Copyright (c) 2002 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
25
27
28 /* from http://www.iana.org/assignments/rtp-parameters last updated 05 January 2005 */
29 /* payload types >= 96 are dynamic;
30 * payload types between 72 and 76 are reserved for RTCP conflict avoidance;
31 * all the other payload types not present in the table are unassigned or
32 * reserved
33 */
34 static const struct {
69 };
70
72 {
74
84 }
87 return 0;
88 }
89 }
90 return -1;
91 }
92
95 {
98
99 /* Was the payload type already specified for the RTP muxer? */
103 payload_type >= 0)
104 return (int)payload_type;
105 }
106
107 /* static payload type */
113 continue;
114 /* G722 has 8000 as nominal rate even if the sample rate is 16000,
115 * see section 4.5.2 in RFC 3551. */
124 continue;
126 }
127
128 if (idx < 0)
130
131 /* dynamic payload type */
133 }
134
136 {
138
142
143 return "";
144 }
145
147 {
149
153
155 }