PKGBUILDs/community/xmms2/vorbis-albumart.patch

From f38882beb1c9b4f3e3c63ac7d65603ad5917cd9d Mon Sep 17 00:00:00 2001
From: Brad Jorsch <anomie@users.sourceforge.net>
Date: Tue, 09 Mar 2010 15:41:33 +0000
Subject: OTHER: Add support for METADATA_BLOCK_PICTURE in Vorbis plugin

Bug-Debian: http://bugs.debian.org/565479
---
diff --git a/src/plugins/vorbis_common/common.c b/src/plugins/vorbis_common/common.c
index c1f4ef9..fc4ff1b 100644
--- a/src/plugins/vorbis_common/common.c
+++ b/src/plugins/vorbis_common/common.c
@@ -243,6 +243,74 @@ get_replaygain (xmms_xform_t *xform, vorbis_comment *vc)
 	}
 }
 
+static void
+handle_image_comment (xmms_xform_t *xform, const gchar *value, gsize len)
+{
+	guint32 typ, mime_len, desc_len, img_len;
+	guchar *pos, *end, *mime_data, *img_data;
+	gchar hash[33];
+
+	pos = value;
+	end = value + len;
+
+	if (pos + 4 > end) {
+		XMMS_DBG ("Malformed picture comment");
+		return;
+	}
+	typ = GUINT32_FROM_BE (*(guint32 *)pos);
+	if (typ != 0 && typ != 3) {
+		XMMS_DBG ("Picture type %d not handled", typ);
+		return;
+	}
+	pos += 4;
+
+	if (pos + 4 > end) {
+		XMMS_DBG ("Malformed picture comment");
+		return;
+	}
+	mime_len = GUINT32_FROM_BE (*(guint32 *)pos);
+	pos += 4;
+	mime_data = pos;
+	pos += mime_len;
+
+	if (pos + 4 > end) {
+		XMMS_DBG ("Malformed picture comment");
+		return;
+	}
+	desc_len = GUINT32_FROM_BE (*(guint32 *)pos);
+	pos += 4;
+	pos += desc_len;
+
+	pos += 4; /* width */
+	pos += 4; /* height */
+	pos += 4; /* depth */
+	pos += 4; /* indexed palette length */
+
+	if (pos + 4 > end) {
+		XMMS_DBG ("Malformed picture comment");
+		return;
+	}
+	img_len = GUINT32_FROM_BE (*(guint32 *)pos);
+	pos += 4;
+	img_data = pos;
+
+	if (img_data + img_len > end) {
+		XMMS_DBG ("Malformed picture comment");
+		return;
+	}
+
+	if (xmms_bindata_plugin_add ((const guchar *)img_data, img_len, hash)) {
+		const gchar *metakey;
+
+		metakey = XMMS_MEDIALIB_ENTRY_PROPERTY_PICTURE_FRONT;
+		xmms_xform_metadata_set_str (xform, metakey, hash);
+
+		metakey = XMMS_MEDIALIB_ENTRY_PROPERTY_PICTURE_FRONT_MIME;
+		mime_data[mime_len] = '\0';
+		xmms_xform_metadata_set_str (xform, metakey, mime_data);
+	}
+}
+
 /* note that "key" is NOT NUL-terminated here,
  * but "value" is.
  */
@@ -253,6 +321,14 @@ handle_comment (xmms_xform_t *xform,
 {
 	gint i;
 
+	if (!g_ascii_strncasecmp (key, "METADATA_BLOCK_PICTURE", key_len)) {
+		gsize dlen;
+		gchar *dvalue = g_base64_decode (value, &dlen);
+		handle_image_comment (xform, dvalue, dlen);
+		g_free (dvalue);
+		return;
+	}
+
 	for (i = 0; i < G_N_ELEMENTS (properties); i++) {
 		if (key_len != strlen (properties[i].vname))
 			continue;
--
cgit v0.8.3.4


From d8273630bd92ecea581240ae93c6795cc538d076 Mon Sep 17 00:00:00 2001
From: Erik Massop <e.massop@hccnet.nl>
Date: Tue, 09 Mar 2010 15:45:03 +0000
Subject: OTHER: Add Brad Jorsch to AUTHORS, disable Vorbis albumart for glib < 2.12

(Name found using e-mail address at http://sourceforge.net/users/anomie )
---
diff --git a/AUTHORS b/AUTHORS
index f2ef9af..7331d4b 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -146,6 +146,10 @@ N: Johannes Jordan
 E: ypnos@lanrules.de
 D: Visualization
 
+N: Brad Jorsch
+E: anomie@users.sourceforge.net
+D: Support for front picture from Vorbis.
+
 N: Daniel Kamiński
 E: maniel.rulez@gmail.com
 D: mlib remove command in cli, Ruby fixes.
diff --git a/src/plugins/vorbis_common/common.c b/src/plugins/vorbis_common/common.c
index fc4ff1b..ab1dc75 100644
--- a/src/plugins/vorbis_common/common.c
+++ b/src/plugins/vorbis_common/common.c
@@ -27,6 +27,7 @@
 #include "xmms/xmms_sample.h"
 #include "xmms/xmms_log.h"
 #include "xmms/xmms_medialib.h"
+#include "xmms/xmms_bindata.h"
 
 #include <glib.h>
 
@@ -244,12 +245,22 @@ get_replaygain (xmms_xform_t *xform, vorbis_comment *vc)
 }
 
 static void
-handle_image_comment (xmms_xform_t *xform, const gchar *value, gsize len)
+handle_image_comment (xmms_xform_t *xform, const gchar *encoded_value)
 {
+	gsize len;
+	guchar *value;
+
 	guint32 typ, mime_len, desc_len, img_len;
 	guchar *pos, *end, *mime_data, *img_data;
 	gchar hash[33];
 
+#if GLIB_CHECK_VERSION(2,12,0)
+	value = g_base64_decode (encoded_value, &len);
+#else
+	/* TODO: Implement/backport base64 decoding */
+	return;
+#endif
+
 	pos = value;
 	end = value + len;
 
@@ -299,7 +310,7 @@ handle_image_comment (xmms_xform_t *xform, const gchar *value, gsize len)
 		return;
 	}
 
-	if (xmms_bindata_plugin_add ((const guchar *)img_data, img_len, hash)) {
+	if (xmms_bindata_plugin_add (img_data, img_len, hash)) {
 		const gchar *metakey;
 
 		metakey = XMMS_MEDIALIB_ENTRY_PROPERTY_PICTURE_FRONT;
@@ -307,8 +318,10 @@ handle_image_comment (xmms_xform_t *xform, const gchar *value, gsize len)
 
 		metakey = XMMS_MEDIALIB_ENTRY_PROPERTY_PICTURE_FRONT_MIME;
 		mime_data[mime_len] = '\0';
-		xmms_xform_metadata_set_str (xform, metakey, mime_data);
+		xmms_xform_metadata_set_str (xform, metakey, (gchar *)mime_data);
 	}
+
+	g_free (value);
 }
 
 /* note that "key" is NOT NUL-terminated here,
@@ -322,10 +335,7 @@ handle_comment (xmms_xform_t *xform,
 	gint i;
 
 	if (!g_ascii_strncasecmp (key, "METADATA_BLOCK_PICTURE", key_len)) {
-		gsize dlen;
-		gchar *dvalue = g_base64_decode (value, &dlen);
-		handle_image_comment (xform, dvalue, dlen);
-		g_free (dvalue);
+		handle_image_comment (xform, value);
 		return;
 	}
 
--
cgit v0.8.3.4