b03adffa7717a935cb39d8bfd1a13dd8741de28e
[libav.git] / libavformat / protocols.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "config.h"
20
21 #include "libavutil/avstring.h"
22 #include "libavutil/mem.h"
23
24 #include "url.h"
25
26 extern const URLProtocol ff_concat_protocol;
27 extern const URLProtocol ff_crypto_protocol;
28 extern const URLProtocol ff_ffrtmpcrypt_protocol;
29 extern const URLProtocol ff_ffrtmphttp_protocol;
30 extern const URLProtocol ff_file_protocol;
31 extern const URLProtocol ff_gopher_protocol;
32 extern const URLProtocol ff_hls_protocol;
33 extern const URLProtocol ff_http_protocol;
34 extern const URLProtocol ff_httpproxy_protocol;
35 extern const URLProtocol ff_https_protocol;
36 extern const URLProtocol ff_icecast_protocol;
37 extern const URLProtocol ff_mmsh_protocol;
38 extern const URLProtocol ff_mmst_protocol;
39 extern const URLProtocol ff_md5_protocol;
40 extern const URLProtocol ff_pipe_protocol;
41 extern const URLProtocol ff_rtmp_protocol;
42 extern const URLProtocol ff_rtmpe_protocol;
43 extern const URLProtocol ff_rtmps_protocol;
44 extern const URLProtocol ff_rtmpt_protocol;
45 extern const URLProtocol ff_rtmpte_protocol;
46 extern const URLProtocol ff_rtmpts_protocol;
47 extern const URLProtocol ff_rtp_protocol;
48 extern const URLProtocol ff_sctp_protocol;
49 extern const URLProtocol ff_srtp_protocol;
50 extern const URLProtocol ff_tcp_protocol;
51 extern const URLProtocol ff_tls_gnutls_protocol;
52 extern const URLProtocol ff_tls_openssl_protocol;
53 extern const URLProtocol ff_udp_protocol;
54 extern const URLProtocol ff_unix_protocol;
55 extern const URLProtocol ff_librtmp_protocol;
56 extern const URLProtocol ff_librtmpe_protocol;
57 extern const URLProtocol ff_librtmps_protocol;
58 extern const URLProtocol ff_librtmpt_protocol;
59 extern const URLProtocol ff_librtmpte_protocol;
60
61 static const URLProtocol *url_protocols[] = {
62 #if CONFIG_CONCAT_PROTOCOL
63 &ff_concat_protocol,
64 #endif
65 #if CONFIG_CRYPTO_PROTOCOL
66 &ff_crypto_protocol,
67 #endif
68 #if CONFIG_FFRTMPCRYPT_PROTOCOL
69 &ff_ffrtmpcrypt_protocol,
70 #endif
71 #if CONFIG_FFRTMPHTTP_PROTOCOL
72 &ff_ffrtmphttp_protocol,
73 #endif
74 #if CONFIG_FILE_PROTOCOL
75 &ff_file_protocol,
76 #endif
77 #if CONFIG_GOPHER_PROTOCOL
78 &ff_gopher_protocol,
79 #endif
80 #if CONFIG_HLS_PROTOCOL
81 &ff_hls_protocol,
82 #endif
83 #if CONFIG_HTTP_PROTOCOL
84 &ff_http_protocol,
85 #endif
86 #if CONFIG_HTTPPROXY_PROTOCOL
87 &ff_httpproxy_protocol,
88 #endif
89 #if CONFIG_HTTPS_PROTOCOL
90 &ff_https_protocol,
91 #endif
92 #if CONFIG_ICECAST_PROTOCOL
93 &ff_icecast_protocol,
94 #endif
95 #if CONFIG_MMSH_PROTOCOL
96 &ff_mmsh_protocol,
97 #endif
98 #if CONFIG_MMST_PROTOCOL
99 &ff_mmst_protocol,
100 #endif
101 #if CONFIG_MD5_PROTOCOL
102 &ff_md5_protocol,
103 #endif
104 #if CONFIG_PIPE_PROTOCOL
105 &ff_pipe_protocol,
106 #endif
107 #if CONFIG_RTMP_PROTOCOL
108 &ff_rtmp_protocol,
109 #endif
110 #if CONFIG_RTMPE_PROTOCOL
111 &ff_rtmpe_protocol,
112 #endif
113 #if CONFIG_RTMPS_PROTOCOL
114 &ff_rtmps_protocol,
115 #endif
116 #if CONFIG_RTMPT_PROTOCOL
117 &ff_rtmpt_protocol,
118 #endif
119 #if CONFIG_RTMPTE_PROTOCOL
120 &ff_rtmpte_protocol,
121 #endif
122 #if CONFIG_RTMPTS_PROTOCOL
123 &ff_rtmpts_protocol,
124 #endif
125 #if CONFIG_RTP_PROTOCOL
126 &ff_rtp_protocol,
127 #endif
128 #if CONFIG_SCTP_PROTOCOL
129 &ff_sctp_protocol,
130 #endif
131 #if CONFIG_SRTP_PROTOCOL
132 &ff_srtp_protocol,
133 #endif
134 #if CONFIG_TCP_PROTOCOL
135 &ff_tcp_protocol,
136 #endif
137 #if CONFIG_TLS_GNUTLS_PROTOCOL
138 &ff_tls_gnutls_protocol,
139 #endif
140 #if CONFIG_TLS_OPENSSL_PROTOCOL
141 &ff_tls_openssl_protocol,
142 #endif
143 #if CONFIG_UDP_PROTOCOL
144 &ff_udp_protocol,
145 #endif
146 #if CONFIG_UNIX_PROTOCOL
147 &ff_unix_protocol,
148 #endif
149
150 /* external libraries */
151 #if CONFIG_LIBRTMP_PROTOCOL
152 &ff_librtmp_protocol,
153 #endif
154 #if CONFIG_LIBRTMPE_PROTOCOL
155 &ff_librtmpe_protocol,
156 #endif
157 #if CONFIG_LIBRTMPS_PROTOCOL
158 &ff_librtmps_protocol,
159 #endif
160 #if CONFIG_LIBRTMPT_PROTOCOL
161 &ff_librtmpt_protocol,
162 #endif
163 #if CONFIG_LIBRTMPTE_PROTOCOL
164 &ff_librtmpte_protocol,
165 #endif
166 NULL,
167 };
168
169 const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
170 {
171 int i;
172
173 /* find the protocol that corresponds to prev */
174 for (i = 0; url_protocols[i]; i++) {
175 if (url_protocols[i]->priv_data_class == prev) {
176 i++;
177 break;
178 }
179 }
180
181 /* find next protocol with priv options */
182 for (; url_protocols[i]; i++)
183 if (url_protocols[i]->priv_data_class)
184 return url_protocols[i]->priv_data_class;
185 return NULL;
186 }
187
188
189 const char *avio_enum_protocols(void **opaque, int output)
190 {
191 const URLProtocol **p = *opaque;
192
193 p = p ? p + 1 : url_protocols;
194 *opaque = p;
195 if (!*p) {
196 *opaque = NULL;
197 return NULL;
198 }
199 if ((output && (*p)->url_write) || (!output && (*p)->url_read))
200 return (*p)->name;
201 return avio_enum_protocols(opaque, output);
202 }
203
204 const URLProtocol **ffurl_get_protocols(const char *whitelist,
205 const char *blacklist)
206 {
207 const URLProtocol **ret;
208 int i, ret_idx = 0;
209
210 ret = av_mallocz_array(FF_ARRAY_ELEMS(url_protocols), sizeof(*ret));
211 if (!ret)
212 return NULL;
213
214 for (i = 0; url_protocols[i]; i++) {
215 const URLProtocol *up = url_protocols[i];
216
217 if (whitelist && *whitelist && !av_match_name(up->name, whitelist))
218 continue;
219 if (blacklist && *blacklist && av_match_name(up->name, blacklist))
220 continue;
221
222 ret[ret_idx++] = up;
223 }
224
225 return ret;
226 }