1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "libavutil/avstring.h"
20#include "libavutil/mem.h"
21
22#include "url.h"
23
24extern const URLProtocol ff_async_protocol;
25extern const URLProtocol ff_bluray_protocol;
26extern const URLProtocol ff_cache_protocol;
27extern const URLProtocol ff_concat_protocol;
28extern const URLProtocol ff_concatf_protocol;
29extern const URLProtocol ff_crypto_protocol;
30extern const URLProtocol ff_data_protocol;
31extern const URLProtocol ff_ffrtmpcrypt_protocol;
32extern const URLProtocol ff_ffrtmphttp_protocol;
33extern const URLProtocol ff_file_protocol;
34extern const URLProtocol ff_ftp_protocol;
35extern const URLProtocol ff_gopher_protocol;
36extern const URLProtocol ff_gophers_protocol;
37extern const URLProtocol ff_hls_protocol;
38extern const URLProtocol ff_http_protocol;
39extern const URLProtocol ff_httpproxy_protocol;
40extern const URLProtocol ff_https_protocol;
41extern const URLProtocol ff_icecast_protocol;
42extern const URLProtocol ff_mmsh_protocol;
43extern const URLProtocol ff_mmst_protocol;
44extern const URLProtocol ff_md5_protocol;
45extern const URLProtocol ff_pipe_protocol;
46extern const URLProtocol ff_prompeg_protocol;
47extern const URLProtocol ff_rtmp_protocol;
48extern const URLProtocol ff_rtmpe_protocol;
49extern const URLProtocol ff_rtmps_protocol;
50extern const URLProtocol ff_rtmpt_protocol;
51extern const URLProtocol ff_rtmpte_protocol;
52extern const URLProtocol ff_rtmpts_protocol;
53extern const URLProtocol ff_rtp_protocol;
54extern const URLProtocol ff_sctp_protocol;
55extern const URLProtocol ff_srtp_protocol;
56extern const URLProtocol ff_subfile_protocol;
57extern const URLProtocol ff_tee_protocol;
58extern const URLProtocol ff_tcp_protocol;
59extern const URLProtocol ff_tls_protocol;
60extern const URLProtocol ff_udp_protocol;
61extern const URLProtocol ff_udplite_protocol;
62extern const URLProtocol ff_unix_protocol;
63extern const URLProtocol ff_libamqp_protocol;
64extern const URLProtocol ff_librist_protocol;
65extern const URLProtocol ff_librtmp_protocol;
66extern const URLProtocol ff_librtmpe_protocol;
67extern const URLProtocol ff_librtmps_protocol;
68extern const URLProtocol ff_librtmpt_protocol;
69extern const URLProtocol ff_librtmpte_protocol;
70extern const URLProtocol ff_libsrt_protocol;
71extern const URLProtocol ff_libssh_protocol;
72extern const URLProtocol ff_libsmbclient_protocol;
73extern const URLProtocol ff_libzmq_protocol;
74extern const URLProtocol ff_ipfs_protocol;
75extern const URLProtocol ff_ipns_protocol;
76
77#include "libavformat/protocol_list.c"
78
79const AVClass *ff_urlcontext_child_class_iterate(void **iter)
80{
81    const AVClass *ret = NULL;
82    uintptr_t i;
83
84    for (i = (uintptr_t)*iter; url_protocols[i]; i++) {
85        ret = url_protocols[i]->priv_data_class;
86        if (ret)
87            break;
88    }
89
90    *iter = (void*)(uintptr_t)(url_protocols[i] ? i + 1 : i);
91    return ret;
92}
93
94const char *avio_enum_protocols(void **opaque, int output)
95{
96    uintptr_t i;
97
98    for (i = (uintptr_t)*opaque; url_protocols[i]; i++) {
99        const URLProtocol *p = url_protocols[i];
100        if ((output && p->url_write) || (!output && p->url_read)) {
101            *opaque = (void*)(uintptr_t)(i + 1);
102            return p->name;
103        }
104    }
105    *opaque = NULL;
106    return NULL;
107}
108
109const AVClass *avio_protocol_get_class(const char *name)
110{
111    int i = 0;
112    for (i = 0; url_protocols[i]; i++) {
113        if (!strcmp(url_protocols[i]->name, name))
114            return url_protocols[i]->priv_data_class;
115    }
116    return NULL;
117}
118
119const URLProtocol **ffurl_get_protocols(const char *whitelist,
120                                        const char *blacklist)
121{
122    const URLProtocol **ret;
123    int i, ret_idx = 0;
124
125    ret = av_calloc(FF_ARRAY_ELEMS(url_protocols), sizeof(*ret));
126    if (!ret)
127        return NULL;
128
129    for (i = 0; url_protocols[i]; i++) {
130        const URLProtocol *up = url_protocols[i];
131
132        if (whitelist && *whitelist && !av_match_name(up->name, whitelist))
133            continue;
134        if (blacklist && *blacklist && av_match_name(up->name, blacklist))
135            continue;
136
137        ret[ret_idx++] = up;
138    }
139
140    return ret;
141}
142