8ea5c0e75765a9f220ad6f299269b0bd114e7b8f
[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_protocol;
52 extern const URLProtocol ff_udp_protocol;
53 extern const URLProtocol ff_unix_protocol;
54 extern const URLProtocol ff_librtmp_protocol;
55 extern const URLProtocol ff_librtmpe_protocol;
56 extern const URLProtocol ff_librtmps_protocol;
57 extern const URLProtocol ff_librtmpt_protocol;
58 extern const URLProtocol ff_librtmpte_protocol;
59
60 #include "libavformat/protocol_list.c"
61
62 const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
63 {
64 int i;
65
66 /* find the protocol that corresponds to prev */
67 for (i = 0; url_protocols[i]; i++) {
68 if (url_protocols[i]->priv_data_class == prev) {
69 i++;
70 break;
71 }
72 }
73
74 /* find next protocol with priv options */
75 for (; url_protocols[i]; i++)
76 if (url_protocols[i]->priv_data_class)
77 return url_protocols[i]->priv_data_class;
78 return NULL;
79 }
80
81
82 const char *avio_enum_protocols(void **opaque, int output)
83 {
84 const URLProtocol **p = *opaque;
85
86 p = p ? p + 1 : url_protocols;
87 *opaque = p;
88 if (!*p) {
89 *opaque = NULL;
90 return NULL;
91 }
92 if ((output && (*p)->url_write) || (!output && (*p)->url_read))
93 return (*p)->name;
94 return avio_enum_protocols(opaque, output);
95 }
96
97 const URLProtocol **ffurl_get_protocols(const char *whitelist,
98 const char *blacklist)
99 {
100 const URLProtocol **ret;
101 int i, ret_idx = 0;
102
103 ret = av_mallocz_array(FF_ARRAY_ELEMS(url_protocols), sizeof(*ret));
104 if (!ret)
105 return NULL;
106
107 for (i = 0; url_protocols[i]; i++) {
108 const URLProtocol *up = url_protocols[i];
109
110 if (whitelist && *whitelist && !av_match_name(up->name, whitelist))
111 continue;
112 if (blacklist && *blacklist && av_match_name(up->name, blacklist))
113 continue;
114
115 ret[ret_idx++] = up;
116 }
117
118 return ret;
119 }