1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <archive.h>
#include <archive_entry.h>
#include "common/common.h"
#include "common/playlist.h"
#include "stream/stream.h"
#include "demux.h"
#include "stream/stream_libarchive.h"
static int cmp_filename(const void *a, const void *b)
{
return strcmp(*(char **)a, *(char **)b);
}
static int open_file(struct demuxer *demuxer, enum demux_check check)
{
if (!demuxer->access_references)
return -1;
int flags = 0;
int probe_size = STREAM_BUFFER_SIZE;
if (check <= DEMUX_CHECK_REQUEST) {
flags |= MP_ARCHIVE_FLAG_UNSAFE;
probe_size *= 100;
}
bstr probe = stream_peek(demuxer->stream, probe_size);
if (probe.len == 0)
return -1;
struct stream *probe_stream = open_memory_stream(probe.start, probe.len);
struct mp_archive *mpa = mp_archive_new(mp_null_log, probe_stream, flags);
bool ok = !!mpa;
free_stream(probe_stream);
mp_archive_free(mpa);
if (!ok)
return -1;
mpa = mp_archive_new(demuxer->log, demuxer->stream, flags);
if (!mpa)
return -1;
struct playlist *pl = talloc_zero(demuxer, struct playlist);
demuxer->playlist = pl;
// make it load archive://
pl->disable_safety = true;
char *prefix = mp_url_escape(mpa, demuxer->stream->url, "~|");
char **files = NULL;
int num_files = 0;
while (mp_archive_next_entry(mpa)) {
// stream_libarchive.c does the real work
char *f = talloc_asprintf(mpa, "archive://%s|%s", prefix,
mpa->entry_filename);
MP_TARRAY_APPEND(mpa, files, num_files, f);
}
if (files)
qsort(files, num_files, sizeof(files[0]), cmp_filename);
for (int n = 0; n < num_files; n++)
playlist_add_file(pl, files[n]);
demuxer->filetype = "archive";
demuxer->fully_read = true;
mp_archive_free(mpa);
return 0;
}
const struct demuxer_desc demuxer_desc_libarchive = {
.name = "libarchive",
.desc = "libarchive wrapper",
.open = open_file,
};
|
