--- /dev/null
+/**
+ * Copyright (C) 2008 by INdT
+ *
+ * This program 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
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * @author Andre Moreira Magalhaes <andre.magalhaes@openbossa.org>
+ */
+
+/**
+ * @brief
+ *
+ * mp4 file parser.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <lightmediascanner_plugin.h>
+#include <lightmediascanner_db.h>
+#include <mp4.h>
+
+enum StreamTypes {
+ STREAM_TYPE_UNKNOWN = 0,
+ STREAM_TYPE_AUDIO,
+ STREAM_TYPE_VIDEO
+};
+
+struct mp4_info {
+ struct lms_string_size title;
+ struct lms_string_size artist;
+ struct lms_string_size album;
+ struct lms_string_size genre;
+};
+
+struct plugin {
+ struct lms_plugin plugin;
+ lms_db_audio_t *audio_db;
+ lms_db_video_t *video_db;
+};
+
+static const char _name[] = "mp4";
+static const struct lms_string_size _exts[] = {
+ LMS_STATIC_STRING_SIZE(".mp4")
+};
+
+static void
+_strstrip(char **str, unsigned int *p_len)
+{
+ if (*str)
+ lms_strstrip(*str, p_len);
+
+ if (*p_len == 0 && *str) {
+ free(*str);
+ *str = NULL;
+ }
+}
+
+static void *
+_match(struct plugin *p, const char *path, int len, int base)
+{
+ int i;
+
+ i = lms_which_extension(path, len, _exts, LMS_ARRAY_SIZE(_exts));
+ if (i < 0)
+ return NULL;
+ else
+ return (void*)(i + 1);
+}
+
+static int
+_parse(struct plugin *plugin, struct lms_context *ctxt, const struct lms_file_info *finfo, void *match)
+{
+ struct mp4_info info = {{0}, {0}, {0}, {0}};
+ struct lms_audio_info audio_info = {0, {0}, {0}, {0}, {0}, 0, 0, 0};
+ struct lms_video_info video_info = {0, {0}, {0}};
+ int r, stream_type = STREAM_TYPE_AUDIO;
+ MP4FileHandle mp4_fh;
+ u_int32_t num_tracks;
+
+ mp4_fh = MP4Read(finfo->path, 0);
+ if (mp4_fh == MP4_INVALID_FILE_HANDLE) {
+ fprintf(stderr, "ERROR: cannot read mp4 file\n");
+ return -1;
+ }
+
+ MP4GetMetadataName(mp4_fh, &info.title.str);
+ if (info.title.str)
+ info.title.len = strlen(info.title.str);
+ MP4GetMetadataArtist(mp4_fh, &info.artist.str);
+ if (info.artist.str)
+ info.artist.len = strlen(info.artist.str);
+ MP4GetMetadataAlbum(mp4_fh, &info.album.str);
+ if (info.album.str)
+ info.album.len = strlen(info.album.str);
+ MP4GetMetadataGenre(mp4_fh, &info.genre.str);
+ if (info.genre.str)
+ info.genre.len = strlen(info.genre.str);
+
+ /* check if the file contains a video track */
+ num_tracks = MP4GetNumberOfTracks(mp4_fh, MP4_VIDEO_TRACK_TYPE, 0);
+ if (num_tracks > 0)
+ stream_type = STREAM_TYPE_VIDEO;
+
+ _strstrip(&info.title.str, &info.title.len);
+ _strstrip(&info.artist.str, &info.artist.len);
+ _strstrip(&info.album.str, &info.album.len);
+ _strstrip(&info.genre.str, &info.genre.len);
+
+ if (!info.title.str) {
+ int ext_idx;
+ ext_idx = ((int)match) - 1;
+ info.title.len = finfo->path_len - finfo->base - _exts[ext_idx].len;
+ info.title.str = malloc((info.title.len + 1) * sizeof(char));
+ memcpy(info.title.str, finfo->path + finfo->base, info.title.len);
+ info.title.str[info.title.len] = '\0';
+ }
+ lms_charset_conv(ctxt->cs_conv, &info.title.str, &info.title.len);
+
+ if (info.artist.str)
+ lms_charset_conv(ctxt->cs_conv, &info.artist.str, &info.artist.len);
+ if (info.album.str)
+ lms_charset_conv(ctxt->cs_conv, &info.album.str, &info.album.len);
+ if (info.genre.str)
+ lms_charset_conv(ctxt->cs_conv, &info.genre.str, &info.genre.len);
+
+#if 1
+ fprintf(stderr, "file %s info\n", finfo->path);
+ fprintf(stderr, "\ttitle='%s'\n", info.title.str);
+ fprintf(stderr, "\tartist='%s'\n", info.artist.str);
+ fprintf(stderr, "\talbum='%s'\n", info.album.str);
+ fprintf(stderr, "\tgenre='%s'\n", info.genre.str);
+#endif
+
+ if (stream_type == STREAM_TYPE_AUDIO) {
+ audio_info.id = finfo->id;
+ audio_info.title = info.title;
+ audio_info.artist = info.artist;
+ audio_info.album = info.album;
+ audio_info.genre = info.genre;
+ r = lms_db_audio_add(plugin->audio_db, &audio_info);
+ }
+ else {
+ video_info.id = finfo->id;
+ video_info.title = info.title;
+ video_info.artist = info.artist;
+ r = lms_db_video_add(plugin->video_db, &video_info);
+ }
+
+ MP4Close(mp4_fh);
+
+ if (info.title.str)
+ free(info.title.str);
+ if (info.artist.str)
+ free(info.artist.str);
+ if (info.album.str)
+ free(info.album.str);
+ if (info.genre.str)
+ free(info.genre.str);
+
+ return r;
+}
+
+static int
+_setup(struct plugin *plugin, struct lms_context *ctxt)
+{
+ plugin->audio_db = lms_db_audio_new(ctxt->db);
+ if (!plugin->audio_db)
+ return -1;
+ plugin->video_db = lms_db_video_new(ctxt->db);
+ if (!plugin->video_db)
+ return -1;
+
+ return 0;
+}
+
+static int
+_start(struct plugin *plugin, struct lms_context *ctxt)
+{
+ int r;
+ r = lms_db_audio_start(plugin->audio_db);
+ r |= lms_db_video_start(plugin->video_db);
+ return r;
+}
+
+static int
+_finish(struct plugin *plugin, struct lms_context *ctxt)
+{
+ if (plugin->audio_db)
+ lms_db_audio_free(plugin->audio_db);
+ if (plugin->video_db)
+ lms_db_video_free(plugin->video_db);
+
+ return 0;
+}
+
+static int
+_close(struct plugin *plugin)
+{
+ free(plugin);
+ return 0;
+}
+
+API struct lms_plugin *
+lms_plugin_open(void)
+{
+ struct plugin *plugin;
+
+ plugin = (struct plugin *)malloc(sizeof(*plugin));
+ plugin->plugin.name = _name;
+ plugin->plugin.match = (lms_plugin_match_fn_t)_match;
+ plugin->plugin.parse = (lms_plugin_parse_fn_t)_parse;
+ plugin->plugin.close = (lms_plugin_close_fn_t)_close;
+ plugin->plugin.setup = (lms_plugin_setup_fn_t)_setup;
+ plugin->plugin.start = (lms_plugin_start_fn_t)_start;
+ plugin->plugin.finish = (lms_plugin_finish_fn_t)_finish;
+
+ return (struct lms_plugin *)plugin;
+}
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