X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh_common.c;fp=afh_common.c;h=b1f8b25dd5726bbf887f0f4bca481f59937371fc;hp=eb0813df1cb10d16512fd6a863d7c50cb24cba43;hb=486314426fcd25e5271fd65a982f8b321585e195;hpb=6a22b3923f75436aaf84135bd397ab82f22bc09f;ds=sidebyside

diff --git a/afh_common.c b/afh_common.c
index eb0813df..b1f8b25d 100644
--- a/afh_common.c
+++ b/afh_common.c
@@ -48,7 +48,7 @@ static struct audio_format_handler afl[] = {
 	},
 	{
 		.name = "aac",
-#ifdef HAVE_FAAD
+#if defined(HAVE_MP4V2)
 		.init = aac_afh_init,
 #endif
 	},
@@ -392,3 +392,31 @@ unsigned afh_get_afhi_txt(int audio_format_num, struct afh_info *afhi, char **re
 		status_item_list[SI_COMMENT], afhi->tags.comment? afhi->tags.comment : ""
 	);
 }
+
+/**
+ * Create a copy of the given file with altered meta tags.
+ *
+ * \param audio_format_id Specifies the audio format.
+ * \param map The (read-only) memory map of the input file.
+ * \param mapsize The size of the input file in bytes.
+ * \param tags The new tags.
+ * \param output_fd Altered file is created using this file descriptor.
+ * \param filename The name of the temporary output file.
+ *
+ * This calls the ->rewrite_tags method of the audio format handler associated
+ * with \a audio_format_id to create a copy of the memory-mapped file given
+ * by \a map and \a mapsize, but with altered tags according to \a tags. If
+ * the audio format handler for \a audio_format_id lacks this optional method,
+ * the function returns (the paraslash error code of) \p ENOTSUP.
+ *
+ * \return Standard.
+ */
+int afh_rewrite_tags(int audio_format_id, void *map, size_t mapsize,
+		struct taginfo *tags, int output_fd, const char *filename)
+{
+	struct audio_format_handler *afh = afl + audio_format_id;
+
+	if (!afh->rewrite_tags)
+		return -ERRNO_TO_PARA_ERROR(ENOTSUP);
+	return afh->rewrite_tags(map, mapsize, tags, output_fd, filename);
+}