1 files changed, 47 insertions, 0 deletions
diff --git a/media-plugins/xmms-mad/files/xmms-mad-0.8-mp3-header.patch b/media-plugins/xmms-mad/files/xmms-mad-0.8-mp3-header.patch
new file mode 100644
index 0000000..bea8e11
--- /dev/null
+++ b/media-plugins/xmms-mad/files/xmms-mad-0.8-mp3-header.patch
@@ -0,0 +1,47 @@
+diff -urp xmms-mad-0.8-org/src/xmms-mad.c xmms-mad-0.8/src/xmms-mad.c
+--- xmms-mad-0.8-org/src/xmms-mad.c	2005-12-04 23:18:21.000000000 +0200
++++ xmms-mad-0.8/src/xmms-mad.c	2005-12-04 23:34:53.000000000 +0200
+@@ -76,6 +76,31 @@ xmmsmad_set_eq (int on, float preamp, fl
+   //printf("set_eq\n");
+ }
+ 
++
++/* Following mp3 header check has been copied from XMMS mp3 input plugin. */
++static int mpg123_head_check(unsigned char *buffer)
++{
++  unsigned int head = (buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3];
++  if ((head & 0xffe00000) != 0xffe00000)
++    return FALSE;
++  if (!((head >> 17) & 3))
++    return FALSE;
++  if (((head >> 12) & 0xf) == 0xf)
++    return FALSE;
++  if (!((head >> 12) & 0xf))
++    return FALSE;
++  if (((head >> 10) & 0x3) == 0x3)
++    return FALSE;
++  if (((head >> 19) & 1) == 1 &&
++      ((head >> 17) & 3) == 3 &&
++      ((head >> 16) & 1) == 1)
++    return FALSE;
++  if ((head & 0xffff0000) == 0xfffe0000)
++    return FALSE;
++  return TRUE;
++}
++
++
+ static int
+ xmmsmad_is_our_file (char *filename)
+ {
+@@ -96,9 +121,8 @@ xmmsmad_is_our_file (char *filename)
+       fin = open (filename, O_RDONLY);
+       if (fin >= 0 && read (fin, check, 4) == 4)
+ 	{
+-	  /* If first two bytes are a sync header or three bytes are "ID3" */
+-	  if ( (check[0] == 0xff && (check[1] & 0x70) == 0x70) 
+-	       || memcmp (check, "ID3", 3) == 0) 
++	  /* If first 4 bytes are a sync header or three bytes are "ID3" */
++	  if (mpg123_head_check(check) || memcmp (check, "ID3", 3) == 0) 
+ 	    {
+ 	      rtn = 1;
+ 	    }