[tracker/miner-web: 49/77] tracker-extract: Fixed various properties for albums in FLAC and Vorbis

[Adrien Bustany <abustany src gnome org>]

commit 844abc0fa0298d5b9cfa666f765b5bacbb47eed2
Author: Philip Van Hoof <philip codeminded be>
Date:   Thu Feb 25 16:44:14 2010 +0100

    tracker-extract: Fixed various properties for albums in FLAC and Vorbis

 src/tracker-extract/tracker-extract-flac.c      |  164 ++++++++++++++++-------
 src/tracker-extract/tracker-extract-gstreamer.c |   56 ++++++++-
 src/tracker-extract/tracker-extract-vorbis.c    |  100 ++++++++++----
 3 files changed, 242 insertions(+), 78 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-flac.c b/src/tracker-extract/tracker-extract-flac.c
index 973eff3..21b8dd8 100644
--- a/src/tracker-extract/tracker-extract-flac.c
+++ b/src/tracker-extract/tracker-extract-flac.c
@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
+#include <stdlib.h>
 
 #include <glib.h>
 
@@ -216,40 +217,103 @@ extract_flac (const gchar          *uri,
 			FLAC__metadata_simple_iterator_next (iter);
 	}
 
-	/* This will find the first non-NULL and then free the rest */
 	creator = tracker_coalesce (3, fd.artist, fd.albumartist,
 	                            fd.performer);
 
 	if (creator) {
-			artist_uri = tracker_uri_printf_escaped ("urn:artist:%s",
-			                                         creator);
-			tracker_sparql_builder_subject_iri (metadata, artist_uri);
-			tracker_sparql_builder_predicate (metadata, "a");
-			tracker_sparql_builder_object (metadata, "nmm:Artist");
-			tracker_sparql_builder_predicate (metadata, "nmm:artistName");
-			tracker_sparql_builder_object_unvalidated (metadata, creator);
-			g_free (creator);
+		artist_uri = tracker_uri_printf_escaped ("urn:artist:%s", creator);
+
+		tracker_sparql_builder_insert_open (preupdate, NULL);
+		tracker_sparql_builder_subject_iri (preupdate, artist_uri);
+		tracker_sparql_builder_predicate (preupdate, "a");
+		tracker_sparql_builder_object (preupdate, "nmm:Artist");
+		tracker_sparql_builder_predicate (preupdate, "nmm:artistName");
+		tracker_sparql_builder_object_unvalidated (preupdate, creator);
+		tracker_sparql_builder_insert_close (preupdate);
+
+		g_free (creator);
 	}
 
 	if (fd.album) {
-			album_uri = tracker_uri_printf_escaped ("urn:album:%s",
-			                                        fd.album);
-			tracker_sparql_builder_subject_iri (metadata, album_uri);
-			tracker_sparql_builder_predicate (metadata, "a");
-			tracker_sparql_builder_object (metadata, "nmm:MusicAlbum");
-			tracker_sparql_builder_predicate (metadata, "nmm:albumTitle");
-			tracker_sparql_builder_object_unvalidated (metadata,
-			                                           fd.album);
-
-			if (fd.trackcount) {
-					tracker_sparql_builder_predicate (metadata, "nmm:albumTrackCount");
-					tracker_sparql_builder_object_unvalidated (metadata,
-					                                           fd.trackcount);
-			}
+		album_uri = tracker_uri_printf_escaped ("urn:album:%s", fd.album);
+
+		tracker_sparql_builder_insert_open (preupdate, NULL);
+
+		tracker_sparql_builder_subject_iri (preupdate, album_uri);
+		tracker_sparql_builder_predicate (preupdate, "a");
+		tracker_sparql_builder_object (preupdate, "nmm:MusicAlbum");
+		tracker_sparql_builder_predicate (preupdate, "nmm:albumTitle");
+		tracker_sparql_builder_object_unvalidated (preupdate, fd.album);
+
+		if (fd.trackcount) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
+
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
+			tracker_sparql_builder_object_unvalidated (preupdate, fd.trackcount);
+
+			tracker_sparql_builder_insert_close (preupdate);
+		}
+
+		if (fd.albumgain) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
+
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_double (preupdate, atof (fd.albumgain));
+
+			tracker_sparql_builder_insert_close (preupdate);
+		}
+
+		if (fd.albumpeakgain) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
+
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_double (preupdate, atof (fd.albumpeakgain));
+
+			tracker_sparql_builder_insert_close (preupdate);
+		}
 
+		tracker_sparql_builder_insert_close (preupdate);
 	}
 
-	tracker_sparql_builder_subject_iri (metadata, uri);
 	tracker_sparql_builder_predicate (metadata, "a");
 	tracker_sparql_builder_object (metadata, "nmm:MusicPiece");
 	tracker_sparql_builder_object (metadata, "nfo:Audio");
@@ -268,8 +332,6 @@ extract_flac (const gchar          *uri,
 
 	/* FIXME: Trackgain/Trackpeakgain: commented out in vorbis */
 
-	add_tuple (metadata, "nmm:albumGain", fd.albumgain);
-	add_tuple (metadata, "nmm:albumPeakGain", fd.albumpeakgain);
 	add_tuple (metadata, "nie:comment", fd.comment);
 	add_tuple (metadata, "nie:contentCreated", fd.date);
 	add_tuple (metadata, "nfo:genre", fd.genre);
@@ -278,36 +340,36 @@ extract_flac (const gchar          *uri,
 	add_tuple (metadata, "nie:license", fd.license);
 
 	if (fd.publisher) {
-			tracker_sparql_builder_predicate (metadata, "dc:publisher");
+		tracker_sparql_builder_predicate (metadata, "dc:publisher");
 
-			tracker_sparql_builder_object_blank_open (metadata);
-			tracker_sparql_builder_predicate (metadata, "a");
-			tracker_sparql_builder_object (metadata, "nco:Contact");
+		tracker_sparql_builder_object_blank_open (metadata);
+		tracker_sparql_builder_predicate (metadata, "a");
+		tracker_sparql_builder_object (metadata, "nco:Contact");
 
-			tracker_sparql_builder_predicate (metadata, "nco:fullname");
-			tracker_sparql_builder_object_unvalidated (metadata,
-			                                           fd.publisher);
-			tracker_sparql_builder_object_blank_close (metadata);
+		tracker_sparql_builder_predicate (metadata, "nco:fullname");
+		tracker_sparql_builder_object_unvalidated (metadata,
+		                                           fd.publisher);
+		tracker_sparql_builder_object_blank_close (metadata);
 	}
 
 	if (stream) {
-			tracker_sparql_builder_predicate (metadata, "nfo:sampleRate");
-			tracker_sparql_builder_object_int64 (metadata, 
-			                                     stream->data.stream_info.sample_rate);
-
-			tracker_sparql_builder_predicate (metadata, "nfo:channels");
-			tracker_sparql_builder_object_int64 (metadata, 
-			                                     stream->data.stream_info.channels);
-
-			tracker_sparql_builder_predicate (metadata,
-			                                  "nfo:averageBitrate");
-			tracker_sparql_builder_object_int64 (metadata, 
-			                                     stream->data.stream_info.bits_per_sample);
-
-			tracker_sparql_builder_predicate (metadata, "nfo:duration");
-			tracker_sparql_builder_object_int64 (metadata, 
-			                                     stream->data.stream_info.total_samples / 
-			                                        stream->data.stream_info.sample_rate);
+		tracker_sparql_builder_predicate (metadata, "nfo:sampleRate");
+		tracker_sparql_builder_object_int64 (metadata, 
+		                                     stream->data.stream_info.sample_rate);
+
+		tracker_sparql_builder_predicate (metadata, "nfo:channels");
+		tracker_sparql_builder_object_int64 (metadata, 
+		                                     stream->data.stream_info.channels);
+
+		tracker_sparql_builder_predicate (metadata,
+		                                  "nfo:averageBitrate");
+		tracker_sparql_builder_object_int64 (metadata, 
+		                                     stream->data.stream_info.bits_per_sample);
+
+		tracker_sparql_builder_predicate (metadata, "nfo:duration");
+		tracker_sparql_builder_object_int64 (metadata, 
+		                                     stream->data.stream_info.total_samples / 
+		                                        stream->data.stream_info.sample_rate);
 	}
 
 	g_free (fd.title);
diff --git a/src/tracker-extract/tracker-extract-gstreamer.c b/src/tracker-extract/tracker-extract-gstreamer.c
index 69aa169..e9c25dc 100644
--- a/src/tracker-extract/tracker-extract-gstreamer.c
+++ b/src/tracker-extract/tracker-extract-gstreamer.c
@@ -541,6 +541,7 @@ extract_metadata (MetadataExtractor      *extractor,
 		if (s) {
 			gboolean has_it;
 			guint count;
+			gdouble gain;
 
 			needs_audio = TRUE;
 
@@ -608,7 +609,60 @@ extract_metadata (MetadataExtractor      *extractor,
 				tracker_sparql_builder_insert_close (preupdate);
 			}
 
+			has_it = gst_tag_list_get_double (extractor->tagcache, 
+			                                  GST_TAG_ALBUM_GAIN, 
+			                                  &gain);
+
+			if (has_it) {
+				tracker_sparql_builder_delete_open (preupdate, NULL);
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_delete_close (preupdate);
+
+				tracker_sparql_builder_where_open (preupdate);
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_where_close (preupdate);
+
+				tracker_sparql_builder_insert_open (preupdate, NULL);
+
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+				tracker_sparql_builder_object_double (preupdate, gain);
+
+				tracker_sparql_builder_insert_close (preupdate);
+			}
+
+			has_it = gst_tag_list_get_double (extractor->tagcache, 
+			                                  GST_TAG_ALBUM_PEAK, 
+			                                  &gain);
+
+			if (has_it) {
+				tracker_sparql_builder_delete_open (preupdate, NULL);
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_delete_close (preupdate);
+
+				tracker_sparql_builder_where_open (preupdate);
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+				tracker_sparql_builder_object_variable (preupdate, "unknown");
+				tracker_sparql_builder_where_close (preupdate);
+
+				tracker_sparql_builder_insert_open (preupdate, NULL);
+
+				tracker_sparql_builder_subject_iri (preupdate, album_uri);
+				tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+				tracker_sparql_builder_object_double (preupdate, gain);
+
+				tracker_sparql_builder_insert_close (preupdate);
+			}
+
 			*album = s;
+
 		}
 
 		if (extractor->mime == EXTRACT_MIME_AUDIO)
@@ -672,8 +726,6 @@ extract_metadata (MetadataExtractor      *extractor,
 
 			add_double_gst_tag (metadata, uri, "nfo:gain", extractor->tagcache, GST_TAG_TRACK_GAIN);
 			add_double_gst_tag (metadata, uri, "nfo:peakGain", extractor->tagcache, GST_TAG_TRACK_PEAK);
-			add_double_gst_tag (metadata, uri, "nmm:albumGain", extractor->tagcache, GST_TAG_ALBUM_GAIN);
-			add_double_gst_tag (metadata, uri, "nmm:albumPeakGain", extractor->tagcache, GST_TAG_ALBUM_PEAK);
 
 			if (performer_uri) {
 				tracker_sparql_builder_predicate (metadata, "nmm:performer");
diff --git a/src/tracker-extract/tracker-extract-vorbis.c b/src/tracker-extract/tracker-extract-vorbis.c
index 7fbe1c5..5815ca1 100644
--- a/src/tracker-extract/tracker-extract-vorbis.c
+++ b/src/tracker-extract/tracker-extract-vorbis.c
@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
+#include <stdlib.h>
 
 #include <glib.h>
 
@@ -96,7 +97,7 @@ extract_vorbis (const char *uri,
 	gchar          *filename;
 	VorbisData      vorbis_data = { 0 };
 	VorbisNeedsMergeData merge_data = { 0 };
-	gchar *artist_uri = NULL, *album_uri = NULL;
+	gchar *artist_uri = NULL, *album_uri = NULL, *publisher_uri = NULL;
 
 	filename = g_filename_from_uri (uri, NULL, NULL);
 	f = tracker_file_open (filename, "r", FALSE);
@@ -187,6 +188,7 @@ extract_vorbis (const char *uri,
 			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
 			tracker_sparql_builder_object_variable (preupdate, "unknown");
 			tracker_sparql_builder_delete_close (preupdate);
+
 			tracker_sparql_builder_where_open (preupdate);
 			tracker_sparql_builder_subject_iri (preupdate, album_uri);
 			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
@@ -196,17 +198,86 @@ extract_vorbis (const char *uri,
 			tracker_sparql_builder_insert_open (preupdate, NULL);
 
 			tracker_sparql_builder_subject_iri (preupdate, album_uri);
-			tracker_sparql_builder_predicate (metadata, "nmm:albumTrackCount");
-			tracker_sparql_builder_object_unvalidated (metadata, vorbis_data.trackcount);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumTrackCount");
+			tracker_sparql_builder_object_unvalidated (preupdate, vorbis_data.trackcount);
 
 			tracker_sparql_builder_insert_close (preupdate);
+		}
+
+		if (vorbis_data.AlbumGain) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
 
-			g_free (vorbis_data.trackcount);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumGain");
+			tracker_sparql_builder_object_double (preupdate, atof (vorbis_data.AlbumGain));
+
+			tracker_sparql_builder_insert_close (preupdate);
+		}
+
+		if (vorbis_data.AlbumPeakGain) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
+
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:albumPeakGain");
+			tracker_sparql_builder_object_double (preupdate, atof (vorbis_data.AlbumPeakGain));
+
+			tracker_sparql_builder_insert_close (preupdate);
+		}
+
+		if (vorbis_data.DiscNo) {
+			tracker_sparql_builder_delete_open (preupdate, NULL);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_delete_close (preupdate);
+
+			tracker_sparql_builder_where_open (preupdate);
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
+			tracker_sparql_builder_object_variable (preupdate, "unknown");
+			tracker_sparql_builder_where_close (preupdate);
+
+			tracker_sparql_builder_insert_open (preupdate, NULL);
+
+			tracker_sparql_builder_subject_iri (preupdate, album_uri);
+			tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
+			tracker_sparql_builder_object_int64 (preupdate, atoi (vorbis_data.DiscNo));
+
+			tracker_sparql_builder_insert_close (preupdate);
 		}
 
 		g_free (vorbis_data.album);
 	}
 
+	g_free (vorbis_data.trackcount);
+	g_free (vorbis_data.AlbumPeakGain);
+	g_free (vorbis_data.AlbumGain);
+	g_free (vorbis_data.DiscNo);
+
 	tracker_sparql_builder_predicate (metadata, "a");
 	tracker_sparql_builder_object (metadata, "nmm:MusicPiece");
 	tracker_sparql_builder_object (metadata, "nfo:Audio");
@@ -229,15 +300,6 @@ extract_vorbis (const char *uri,
 		g_free (vorbis_data.tracknumber);
 	}
 
-	if (vorbis_data.DiscNo) {
-#if 0
-		/* nmm:setNumber is of domain nmm:MusicAlbum, but there could be several of these... */
-		tracker_sparql_builder_predicate (metadata, "nmm:setNumber");
-		tracker_sparql_builder_object_unvalidated (metadata, vorbis_data.DiscNo);
-#endif
-		g_free (vorbis_data.DiscNo);
-	}
-
 	if (vorbis_data.TrackGain) {
 		/* tracker_statement_list_insert (metadata, uri, _PREFIX "", vorbis_data.); */
 		g_free (vorbis_data.TrackGain);
@@ -247,18 +309,6 @@ extract_vorbis (const char *uri,
 		g_free (vorbis_data.TrackPeakGain);
 	}
 
-	if (vorbis_data.AlbumGain) {
-		tracker_sparql_builder_predicate (metadata, "nmm:albumGain");
-		tracker_sparql_builder_object_unvalidated (metadata, vorbis_data.AlbumGain);
-		g_free (vorbis_data.AlbumGain);
-	}
-
-	if (vorbis_data.AlbumPeakGain) {
-		tracker_sparql_builder_predicate (metadata, "nmm:albumPeakGain");
-		tracker_sparql_builder_object_unvalidated (metadata, vorbis_data.AlbumPeakGain);
-		g_free (vorbis_data.AlbumPeakGain);
-	}
-
 	if (vorbis_data.comment) {
 		tracker_sparql_builder_predicate (metadata, "nie:comment");
 		tracker_sparql_builder_object_unvalidated (metadata, vorbis_data.comment);