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/*
* 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 "options/m_config.h"
#include "stream/stream.h"
#include "misc/natural_sort.h"
#include "demux.h"
#include "stream/stream_libarchive.h"
struct demux_libarchive_opts {
int rar_list_all_volumes;
};
static int cmp_filename(const void *a, const void *b)
{
return mp_natural_sort_cmp(*(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;
}
void *probe = ta_alloc_size(NULL, probe_size);
if (!probe)
return -1;
int probe_got = stream_read_peek(demuxer->stream, probe, probe_size);
struct stream *probe_stream =
stream_memory_open(demuxer->global, probe, probe_got);
struct mp_archive *mpa = mp_archive_new(mp_null_log, probe_stream, flags, 0);
bool ok = !!mpa;
free_stream(probe_stream);
mp_archive_free(mpa);
ta_free(probe);
if (!ok)
return -1;
struct demux_libarchive_opts *opts =
mp_get_config_group(demuxer, demuxer->global, demuxer->desc->options);
if (!opts->rar_list_all_volumes)
flags |= MP_ARCHIVE_FLAG_NO_VOLUMES;
mpa = mp_archive_new(demuxer->log, demuxer->stream, flags, 0);
if (!mpa)
return -1;
struct playlist *pl = talloc_zero(demuxer, struct playlist);
demuxer->playlist = pl;
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]);
playlist_set_stream_flags(pl, demuxer->stream_origin);
demuxer->filetype = "archive";
demuxer->fully_read = true;
mp_archive_free(mpa);
demux_close_stream(demuxer);
return 0;
}
#define OPT_BASE_STRUCT struct demux_libarchive_opts
const struct demuxer_desc demuxer_desc_libarchive = {
.name = "libarchive",
.desc = "libarchive wrapper",
.open = open_file,
.options = &(const struct m_sub_options){
.opts = (const struct m_option[]) {
{"rar-list-all-volumes", OPT_FLAG(rar_list_all_volumes)},
{0}
},
.size = sizeof(OPT_BASE_STRUCT),
},
};
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