[easytag/wip/taglib-mp4-cxx: 4/4] MP4 TagLib C++ WIP

[David King <davidk src gnome org>]

commit fb3578f521dac0edc37fee69bc5de8f06d471ca8
Author: David King <amigadave amigadave com>
Date:   Sat Mar 15 10:33:48 2014 +0000

    MP4 TagLib C++ WIP

 configure.ac   |    2 +-
 src/easytag.c  |   12 +++++-----
 src/mp4_tag.cc |   61 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 3 files changed, 64 insertions(+), 11 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7fe6699..86d3b85 100644
--- a/configure.ac
+++ b/configure.ac
@@ -257,7 +257,7 @@ dnl ################################################
 dnl # taglib library
 dnl ################################################
 
-TAGLIB_DEPS="taglib >= 1.6.0"
+TAGLIB_DEPS="taglib >= 1.6.0 taglib_c"
 AS_IF([test "x$enable_mp4" != "xno"],
       [PKG_CHECK_EXISTS([$TAGLIB_DEPS], [have_taglib=yes], [have_taglib=no])],
       [have_taglib=no])
diff --git a/src/easytag.c b/src/easytag.c
index 25b7814..0370809 100644
--- a/src/easytag.c
+++ b/src/easytag.c
@@ -4109,16 +4109,16 @@ void Tag_Area_Display_Controls (ET_File *ETFile)
         case MP4_TAG:
             gtk_widget_hide(GTK_WIDGET(DiscNumberLabel));
             gtk_widget_hide(GTK_WIDGET(DiscNumberEntry));
-            gtk_widget_hide(GTK_WIDGET(ComposerLabel));
-            gtk_widget_hide(GTK_WIDGET(ComposerEntry));
+            gtk_widget_show (GTK_WIDGET (ComposerLabel));
+            gtk_widget_show (GTK_WIDGET (ComposerEntry));
             gtk_widget_hide(GTK_WIDGET(OrigArtistLabel));
             gtk_widget_hide(GTK_WIDGET(OrigArtistEntry));
-            gtk_widget_hide(GTK_WIDGET(CopyrightLabel));
-            gtk_widget_hide(GTK_WIDGET(CopyrightEntry));
+            gtk_widget_show (GTK_WIDGET (CopyrightLabel));
+            gtk_widget_show (GTK_WIDGET (CopyrightEntry));
             gtk_widget_hide(GTK_WIDGET(URLLabel));
             gtk_widget_hide(GTK_WIDGET(URLEntry));
-            gtk_widget_hide(GTK_WIDGET(EncodedByLabel));
-            gtk_widget_hide(GTK_WIDGET(EncodedByEntry));
+            gtk_widget_show (GTK_WIDGET (EncodedByLabel));
+            gtk_widget_show (GTK_WIDGET (EncodedByEntry));
             et_tag_notebook_hide_images_tab (TagNoteBook);
             break;
 #endif
diff --git a/src/mp4_tag.cc b/src/mp4_tag.cc
index 37d2a02..2bd871b 100644
--- a/src/mp4_tag.cc
+++ b/src/mp4_tag.cc
@@ -38,6 +38,8 @@
 #include "charset.h"
 
 #include <mp4file.h>
+#include <mp4tag.h>
+#include <tmap.h>
 
 
 extern "C" {
@@ -53,7 +55,7 @@ extern "C" {
  */
 gboolean Mp4tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
 {
-    TagLib::Tag *tag;
+    TagLib::MP4::Tag *tag;
     guint track;
 
     g_return_val_if_fail (filename != NULL && FileTag != NULL, FALSE);
@@ -94,10 +96,24 @@ gboolean Mp4tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
      *********/
     FileTag->album = g_strdup (tag->title ().toCString (true));
 
+    const TagLib::MP4::ItemListMap extra_tag = tag->itemListMap ();
+
     /****************
      * Album Artist *
      ****************/
-    /* TODO: No album artist or disc number support in the TagLib C API! */
+    if (extra_tag.contains ("ALBUMARTIST"))
+    {
+        const TagLib::MP4::Item album_artist = extra_tag["ALBUMARTIST"];
+        FileTag->album_artist = g_strdup (album_artist.toStringList ().front ().toCString (true));
+    }
+
+    /* Disc number. */
+    /* TODO: Total disc number support. */
+    if (extra_tag.contains ("DISCNUMBER"))
+    {
+        const TagLib::MP4::Item disc_number = extra_tag["DISCNUMBER"];
+        FileTag->disc_number = et_disc_number_to_string (disc_number.toStringList ().front ().toInt ());
+    }
 
     /********
      * Year *
@@ -126,12 +142,27 @@ gboolean Mp4tag_Read_File_Tag (gchar *filename, File_Tag *FileTag)
     /**********************
      * Composer or Writer *
      **********************/
-    /* TODO: No composer support in the TagLib C API! */
+    if (extra_tag.contains ("COMPOSER"))
+    {
+        const TagLib::MP4::Item composer = extra_tag["COMPOSER"];
+        FileTag->composer = g_strdup (composer.toStringList ().front ().toCString (true));
+    }
+
+    /* Copyright. */
+    if (extra_tag.contains ("COPYRIGHT"))
+    {
+        const TagLib::MP4::Item copyright = extra_tag["COPYRIGHT"];
+        FileTag->copyright = g_strdup (copyright.toStringList ().front ().toCString (true));
+    }
 
     /*****************
      * Encoding Tool *
      *****************/
-    /* TODO: No encode_by support in the TagLib C API! */
+    if (extra_tag.contains ("ENCODEDBY"))
+    {
+        const TagLib::MP4::Item encodedby = extra_tag["ENCODEDBY"];
+        FileTag->encoded_by = g_strdup (encodedby.toStringList ().front ().toCString (true));
+    }
 
     /***********
      * Picture *
@@ -224,6 +255,7 @@ gboolean Mp4tag_Write_File_Tag (ET_File *ETFile)
     if (FileTag->track)
     {
         tag->setTrack (atoi (FileTag->track));
+        /* TODO: Total track support. */
     }
 
     /*********
@@ -244,18 +276,39 @@ gboolean Mp4tag_Write_File_Tag (ET_File *ETFile)
         tag->setComment (string);
     }
 
+    TagLib::MP4::ItemListMap extra_tag;
+
     /**********************
      * Composer or Writer *
      **********************/
+    if (FileTag->composer && *(FileTag->composer))
+    {
+        TagLib::String string (FileTag->composer, TagLib::String::UTF8);
+        extra_tag.insert ("COMPOSER", TagLib::MP4::Item (string));
+    }
+
+    /* Copyright. */
+    if (FileTag->copyright && *(FileTag->copyright))
+    {
+        TagLib::String string (FileTag->copyright, TagLib::String::UTF8);
+        extra_tag.insert ("COPYRIGHT", TagLib::MP4::Item (string));
+    }
 
     /*****************
      * Encoding Tool *
      *****************/
+    if (FileTag->encoded_by && *(FileTag->encoded_by))
+    {
+        TagLib::String string (FileTag->composer, TagLib::String::UTF8);
+        extra_tag.insert ("ENCODEDBY", TagLib::MP4::Item (string));
+    }
 
     /***********
      * Picture *
      ***********/
 
+    /* FIXME: Add support to TagLib. */
+    tag->setProperties (extra_tag);
     success = mp4file.save () ? TRUE : FALSE;
 
     return success;