diff options
Diffstat (limited to 'src/tracker-extract/tracker-cue-sheet.c')
| -rw-r--r-- | src/tracker-extract/tracker-cue-sheet.c | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/src/tracker-extract/tracker-cue-sheet.c b/src/tracker-extract/tracker-cue-sheet.c deleted file mode 100644 index 39722d959..000000000 --- a/src/tracker-extract/tracker-cue-sheet.c +++ /dev/null @@ -1,427 +0,0 @@ -/* - * Copyright (C) 2011, ARQ Media <sam.thursfield@codethink.co.uk> - * - * This library 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. - * - * This library 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 this library; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - * Author: Sam Thursfield <sam.thursfield@codethink.co.uk> - */ - -#include "config.h" - -#include <stdlib.h> -#include <string.h> - -#include <glib.h> -#include <gio/gio.h> -#include <gst/gst.h> -#include <gst/tag/tag.h> - -#if defined(HAVE_LIBCUE2) -#include <libcue.h> -#elif defined(HAVE_LIBCUE) -#include <libcue/libcue.h> -#endif - -#include <libtracker-common/tracker-file-utils.h> - -#include "tracker-cue-sheet.h" - -TrackerToc * -tracker_toc_new (void) -{ - TrackerToc *toc; - - toc = g_slice_new (TrackerToc); - toc->tag_list = gst_tag_list_new_empty (); - toc->entry_list = NULL; - - return toc; -} - -void -tracker_toc_free (TrackerToc *toc) -{ - TrackerTocEntry *entry; - GList *n; - - if (!toc) { - return; - } - - for (n = toc->entry_list; n != NULL; n = n->next) { - entry = n->data; - gst_tag_list_free (entry->tag_list); - g_slice_free (TrackerTocEntry, entry); - } - - gst_tag_list_free (toc->tag_list); - g_list_free (toc->entry_list); - - g_slice_free (TrackerToc, toc); -} - -void -tracker_toc_add_entry (TrackerToc *toc, - GstTagList *tags, - gdouble start, - gdouble duration) -{ - TrackerTocEntry *toc_entry; - - toc_entry = g_slice_new (TrackerTocEntry); - toc_entry->tag_list = gst_tag_list_ref (tags); - toc_entry->start = start; - toc_entry->duration = duration; - - toc->entry_list = g_list_append (toc->entry_list, toc_entry); -} - -#if defined(HAVE_LIBCUE) - -static void -add_cdtext_string_tag (Cdtext *cd_text, - enum Pti index, - GstTagList *tag_list, - const gchar *tag) -{ - const gchar *text; - - text = cdtext_get (index, cd_text); - - if (text != NULL) { - gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, tag, text, NULL); - } -} - -static void -add_cdtext_comment_date_tag (Rem *cd_comments, -#if defined(HAVE_LIBCUE2) - enum RemType index, -#elif defined(HAVE_LIBCUE) - enum Cmt index, -#endif - GstTagList *tag_list, - const gchar *tag) -{ - const gchar *text; - gint year; - GDate *date; - - text = rem_get (index, cd_comments); - - if (text != NULL) { - year = atoi (text); - - if (year >= 1860) { - date = g_date_new_dmy (1, 1, year); - gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, tag, date, NULL); - g_date_free (date); - } - } -} - -static void -add_cdtext_comment_double_tag (Rem *cd_comments, -#if defined(HAVE_LIBCUE2) - enum RemType index, -#elif defined(HAVE_LIBCUE) - enum Cmt index, -#endif - GstTagList *tag_list, - const gchar *tag) -{ - const gchar *text; - gdouble value; - - text = rem_get (index, cd_comments); - - if (text != NULL) { - value = strtod (text, NULL); - - /* Shortcut: it just so happens that 0.0 is meaningless for the replay - * gain properties so we can get away with testing for errors this way. - */ - if (value != 0.0) - gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, tag, value, NULL); - } -} - -static void -set_album_tags_from_cdtext (GstTagList *tag_list, - Cdtext *cd_text, - Rem *cd_comments) -{ - if (cd_text != NULL) { - add_cdtext_string_tag (cd_text, PTI_TITLE, tag_list, GST_TAG_ALBUM); - add_cdtext_string_tag (cd_text, PTI_PERFORMER, tag_list, GST_TAG_ALBUM_ARTIST); - } - - if (cd_comments != NULL) { - add_cdtext_comment_date_tag (cd_comments, REM_DATE, tag_list, GST_TAG_DATE); - - add_cdtext_comment_double_tag (cd_comments, REM_REPLAYGAIN_ALBUM_GAIN, tag_list, GST_TAG_ALBUM_GAIN); - add_cdtext_comment_double_tag (cd_comments, REM_REPLAYGAIN_ALBUM_PEAK, tag_list, GST_TAG_ALBUM_PEAK); - } -} - -static void -set_track_tags_from_cdtext (GstTagList *tag_list, - Cdtext *cd_text, - Rem *cd_comments) -{ - if (cd_text != NULL) { - add_cdtext_string_tag (cd_text, PTI_TITLE, tag_list, GST_TAG_TITLE); - add_cdtext_string_tag (cd_text, PTI_PERFORMER, tag_list, GST_TAG_PERFORMER); - add_cdtext_string_tag (cd_text, PTI_COMPOSER, tag_list, GST_TAG_COMPOSER); - } - - if (cd_comments != NULL) { - add_cdtext_comment_double_tag (cd_comments, REM_REPLAYGAIN_TRACK_GAIN, tag_list, GST_TAG_TRACK_GAIN); - add_cdtext_comment_double_tag (cd_comments, REM_REPLAYGAIN_TRACK_PEAK, tag_list, GST_TAG_TRACK_PEAK); - } -} - -/* Some simple heuristics to fill in missing tag information. */ -static void -process_toc_tags (TrackerToc *toc) -{ - gint track_count; - - if (gst_tag_list_get_tag_size (toc->tag_list, GST_TAG_TRACK_COUNT) == 0) { - track_count = g_list_length (toc->entry_list); - gst_tag_list_add (toc->tag_list, - GST_TAG_MERGE_REPLACE, - GST_TAG_TRACK_COUNT, - track_count, - NULL); - } -} - -/* This function runs in two modes: for external CUE sheets, it will check - * the FILE field for each track and build a TrackerToc for all the tracks - * contained in @file_name. If @file_name does not appear in the CUE sheet, - * %NULL will be returned. For embedded CUE sheets, @file_name will be NULL - * the whole TOC will be returned regardless of any FILE information. - */ -static TrackerToc * -parse_cue_sheet_for_file (const gchar *cue_sheet, - const gchar *file_name) -{ - TrackerToc *toc; - TrackerTocEntry *toc_entry; - Cd *cd; - Track *track; - gint i; - - toc = NULL; - - cd = cue_parse_string (cue_sheet); - - if (cd == NULL) { - g_debug ("Unable to parse CUE sheet for %s.", - file_name ? file_name : "(embedded in FLAC)"); - return NULL; - } - - for (i = 1; i <= cd_get_ntrack (cd); i++) { - track = cd_get_track (cd, i); - - /* CUE sheets generally have the correct basename but wrong - * extension in the FILE field, so this is what we test for. - */ - if (file_name != NULL) { - if (!tracker_filename_casecmp_without_extension (file_name, - track_get_filename (track))) { - continue; - } - } - - if (track_get_mode (track) != MODE_AUDIO) - continue; - - if (toc == NULL) { - toc = tracker_toc_new (); - - set_album_tags_from_cdtext (toc->tag_list, - cd_get_cdtext (cd), - cd_get_rem (cd)); - } - - toc_entry = g_slice_new (TrackerTocEntry); - toc_entry->tag_list = gst_tag_list_new_empty (); - toc_entry->start = track_get_start (track) / 75.0; - toc_entry->duration = track_get_length (track) / 75.0; - - set_track_tags_from_cdtext (toc_entry->tag_list, - track_get_cdtext (track), - track_get_rem (track)); - - gst_tag_list_add (toc_entry->tag_list, - GST_TAG_MERGE_REPLACE, - GST_TAG_TRACK_NUMBER, - i, - NULL); - - - toc->entry_list = g_list_prepend (toc->entry_list, toc_entry); - } - - cd_delete (cd); - - if (toc != NULL) - toc->entry_list = g_list_reverse (toc->entry_list); - - return toc; -} - -TrackerToc * -tracker_cue_sheet_parse (const gchar *cue_sheet) -{ - TrackerToc *result; - - result = parse_cue_sheet_for_file (cue_sheet, NULL); - - if (result) - process_toc_tags (result); - - return result; -} - -static GList * -find_local_cue_sheets (GFile *audio_file) -{ - GFile *container; - GFile *cue_sheet; - GFileEnumerator *e; - GFileInfo *file_info; - gchar *container_path; - const gchar *file_name; - const gchar *file_content_type; - gchar *file_path; - GList *result = NULL; - GError *error = NULL; - - container = g_file_get_parent (audio_file); - container_path = g_file_get_path (container); - - e = g_file_enumerate_children (container, - "standard::*", - G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS, - NULL, - &error); - - if (error != NULL) { - g_debug ("Unable to enumerate directory: %s", error->message); - g_object_unref (container); - g_error_free (error); - return NULL; - } - - while ((file_info = g_file_enumerator_next_file (e, NULL, NULL))) { - file_name = g_file_info_get_attribute_byte_string (file_info, - G_FILE_ATTRIBUTE_STANDARD_NAME); - - file_content_type = g_file_info_get_content_type (file_info); - - if (file_name == NULL || file_content_type == NULL) { - g_debug ("Unable to get info for file %s/%s", - container_path, - g_file_info_get_display_name (file_info)); - } else if (strcmp (file_content_type, "application/x-cue") == 0) { - file_path = g_build_filename (container_path, file_name, NULL); - cue_sheet = g_file_new_for_path (file_path); - result = g_list_prepend (result, cue_sheet); - g_free (file_path); - } - - g_object_unref (file_info); - } - - g_object_unref (e); - g_object_unref (container); - g_free (container_path); - - return result; -} - -TrackerToc * -tracker_cue_sheet_parse_uri (const gchar *uri) -{ - GFile *audio_file; - gchar *audio_file_name; - GList *cue_sheet_list; - TrackerToc *toc; - GError *error = NULL; - GList *n; - - audio_file = g_file_new_for_uri (uri); - audio_file_name = g_file_get_basename (audio_file); - - cue_sheet_list = find_local_cue_sheets (audio_file); - - toc = NULL; - - for (n = cue_sheet_list; n != NULL; n = n->next) { - GFile *cue_sheet_file; - gchar *buffer; - - cue_sheet_file = n->data; - - if (!g_file_load_contents (cue_sheet_file, NULL, &buffer, NULL, NULL, &error)) { - g_debug ("Unable to read cue sheet: %s", error->message); - g_error_free (error); - continue; - } - - toc = parse_cue_sheet_for_file (buffer, audio_file_name); - - g_free (buffer); - - if (toc != NULL) { - char *path = g_file_get_path (cue_sheet_file); - g_debug ("Using external CUE sheet: %s", path); - g_free (path); - break; - } - } - - g_list_foreach (cue_sheet_list, (GFunc) g_object_unref, NULL); - g_list_free (cue_sheet_list); - - g_object_unref (audio_file); - g_free (audio_file_name); - - if (toc) - process_toc_tags (toc); - - return toc; -} - -#else /* ! HAVE_LIBCUE */ - -TrackerToc * -tracker_cue_sheet_parse (const gchar *cue_sheet) -{ - return NULL; -} - -TrackerToc * -tracker_cue_sheet_parse_uri (const gchar *uri) -{ - return NULL; -} - -#endif /* ! HAVE_LIBCUE */ |