mirror of
https://github.com/mpv-player/mpv
synced 2024-11-18 21:16:10 +01:00
1b283f6b60
See manpage additions. The libarchive behavior mentioned in the last paragraph there is technically unrelated, but makes this new option mostly pointless. See: #7182
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <archive.h>
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#include <archive_entry.h>
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#include "common/common.h"
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#include "common/playlist.h"
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#include "options/m_config.h"
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#include "stream/stream.h"
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#include "misc/natural_sort.h"
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#include "demux.h"
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#include "stream/stream_libarchive.h"
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struct demux_libarchive_opts {
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int rar_list_all_volumes;
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};
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static int cmp_filename(const void *a, const void *b)
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{
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return mp_natural_sort_cmp(*(char **)a, *(char **)b);
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}
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static int open_file(struct demuxer *demuxer, enum demux_check check)
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{
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if (!demuxer->access_references)
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return -1;
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int flags = 0;
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int probe_size = STREAM_BUFFER_SIZE;
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if (check <= DEMUX_CHECK_REQUEST) {
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flags |= MP_ARCHIVE_FLAG_UNSAFE;
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probe_size *= 100;
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}
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void *probe = ta_alloc_size(NULL, probe_size);
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if (!probe)
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return -1;
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int probe_got = stream_read_peek(demuxer->stream, probe, probe_size);
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struct stream *probe_stream =
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stream_memory_open(demuxer->global, probe, probe_got);
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struct mp_archive *mpa = mp_archive_new(mp_null_log, probe_stream, flags, 0);
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bool ok = !!mpa;
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free_stream(probe_stream);
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mp_archive_free(mpa);
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ta_free(probe);
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if (!ok)
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return -1;
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struct demux_libarchive_opts *opts =
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mp_get_config_group(demuxer, demuxer->global, demuxer->desc->options);
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if (!opts->rar_list_all_volumes)
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flags |= MP_ARCHIVE_FLAG_NO_RAR_VOLUMES;
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mpa = mp_archive_new(demuxer->log, demuxer->stream, flags, 0);
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if (!mpa)
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return -1;
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struct playlist *pl = talloc_zero(demuxer, struct playlist);
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demuxer->playlist = pl;
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char *prefix = mp_url_escape(mpa, demuxer->stream->url, "~|");
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char **files = NULL;
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int num_files = 0;
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while (mp_archive_next_entry(mpa)) {
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// stream_libarchive.c does the real work
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char *f = talloc_asprintf(mpa, "archive://%s|/%s", prefix,
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mpa->entry_filename);
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MP_TARRAY_APPEND(mpa, files, num_files, f);
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}
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if (files)
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qsort(files, num_files, sizeof(files[0]), cmp_filename);
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for (int n = 0; n < num_files; n++)
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playlist_add_file(pl, files[n]);
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playlist_set_stream_flags(pl, demuxer->stream_origin);
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demuxer->filetype = "archive";
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demuxer->fully_read = true;
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mp_archive_free(mpa);
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demux_close_stream(demuxer);
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return 0;
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}
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#define OPT_BASE_STRUCT struct demux_libarchive_opts
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const struct demuxer_desc demuxer_desc_libarchive = {
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.name = "libarchive",
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.desc = "libarchive wrapper",
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.open = open_file,
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.options = &(const struct m_sub_options){
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.opts = (const struct m_option[]) {
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OPT_FLAG("rar-list-all-volumes", rar_list_all_volumes, 0),
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{0}
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},
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.size = sizeof(OPT_BASE_STRUCT),
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},
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};
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