1 /*
2 * Copyright (c) 2014 Lukasz Marek
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22
23 #include <libavcodec/avcodec.h>
24 #include <libavformat/avformat.h>
25 #include <libavformat/avio.h>
26
type_string(int type)27 static const char *type_string(int type)
28 {
29 switch (type) {
30 case AVIO_ENTRY_DIRECTORY:
31 return "<DIR>";
32 case AVIO_ENTRY_FILE:
33 return "<FILE>";
34 case AVIO_ENTRY_BLOCK_DEVICE:
35 return "<BLOCK DEVICE>";
36 case AVIO_ENTRY_CHARACTER_DEVICE:
37 return "<CHARACTER DEVICE>";
38 case AVIO_ENTRY_NAMED_PIPE:
39 return "<PIPE>";
40 case AVIO_ENTRY_SYMBOLIC_LINK:
41 return "<LINK>";
42 case AVIO_ENTRY_SOCKET:
43 return "<SOCKET>";
44 case AVIO_ENTRY_SERVER:
45 return "<SERVER>";
46 case AVIO_ENTRY_SHARE:
47 return "<SHARE>";
48 case AVIO_ENTRY_WORKGROUP:
49 return "<WORKGROUP>";
50 case AVIO_ENTRY_UNKNOWN:
51 default:
52 break;
53 }
54 return "<UNKNOWN>";
55 }
56
list_op(const char * input_dir)57 static int list_op(const char *input_dir)
58 {
59 AVIODirEntry *entry = NULL;
60 AVIODirContext *ctx = NULL;
61 int cnt, ret;
62 char filemode[4], uid_and_gid[20];
63
64 if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) {
65 av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret));
66 goto fail;
67 }
68
69 cnt = 0;
70 for (;;) {
71 if ((ret = avio_read_dir(ctx, &entry)) < 0) {
72 av_log(NULL, AV_LOG_ERROR, "Cannot list directory: %s.\n", av_err2str(ret));
73 goto fail;
74 }
75 if (!entry)
76 break;
77 if (entry->filemode == -1) {
78 snprintf(filemode, 4, "???");
79 } else {
80 snprintf(filemode, 4, "%3"PRIo64, entry->filemode);
81 }
82 snprintf(uid_and_gid, 20, "%"PRId64"(%"PRId64")", entry->user_id, entry->group_id);
83 if (cnt == 0)
84 av_log(NULL, AV_LOG_INFO, "%-9s %12s %30s %10s %s %16s %16s %16s\n",
85 "TYPE", "SIZE", "NAME", "UID(GID)", "UGO", "MODIFIED",
86 "ACCESSED", "STATUS_CHANGED");
87 av_log(NULL, AV_LOG_INFO, "%-9s %12"PRId64" %30s %10s %s %16"PRId64" %16"PRId64" %16"PRId64"\n",
88 type_string(entry->type),
89 entry->size,
90 entry->name,
91 uid_and_gid,
92 filemode,
93 entry->modification_timestamp,
94 entry->access_timestamp,
95 entry->status_change_timestamp);
96 avio_free_directory_entry(&entry);
97 cnt++;
98 };
99
100 fail:
101 avio_close_dir(&ctx);
102 return ret;
103 }
104
usage(const char * program_name)105 static void usage(const char *program_name)
106 {
107 fprintf(stderr, "usage: %s input_dir\n"
108 "API example program to show how to list files in directory "
109 "accessed through AVIOContext.\n", program_name);
110 }
111
main(int argc,char * argv[])112 int main(int argc, char *argv[])
113 {
114 int ret;
115
116 av_log_set_level(AV_LOG_DEBUG);
117
118 if (argc < 2) {
119 usage(argv[0]);
120 return 1;
121 }
122
123 avformat_network_init();
124
125 ret = list_op(argv[1]);
126
127 avformat_network_deinit();
128
129 return ret < 0 ? 1 : 0;
130 }
131