1 files changed, 120 insertions, 0 deletions
diff --git a/demux/demux_libarchive.c b/demux/demux_libarchive.c
new file mode 100644
index 0000000..ec50498
--- /dev/null
+++ b/demux/demux_libarchive.c
@@ -0,0 +1,120 @@
+/*
+ * 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 {
+    bool 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_BOOL(rar_list_all_volumes)},
+            {0}
+        },
+        .size = sizeof(OPT_BASE_STRUCT),
+    },
+};