Dateien hdparm-8.9/dvdspeed und hdparm-8.9-dvd/dvdspeed sind verschieden.
diff -ruN hdparm-8.9/dvdspeed.c hdparm-8.9-dvd/dvdspeed.c
--- hdparm-8.9/dvdspeed.c	1970-01-01 01:00:00.000000000 +0100
+++ hdparm-8.9-dvd/dvdspeed.c	2008-08-08 23:13:57.000000000 +0200
@@ -0,0 +1,129 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <linux/cdrom.h>
+/*
+ * dvdspeed - use SET STREAMING command to set the speed of DVD-drives
+ *
+ *
+ * Copyright (c) 2004	Thomas Fritzsche <tf@noto.de>
+ * A bit mangled in 2006 and 2008 by Thomas Orgis <thomas@orgis.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "dvdspeed.h" /* just to silence a stupid warning */
+
+#ifdef DVDSPEED_STANDALONE
+/* Just error handling. */
+void dump_sense(unsigned char *cdb, struct request_sense *sense)
+{
+	int i;
+	printf("Command failed: ");
+
+	for (i=0; i<12; i++)
+	fprintf(stderr, "%02x ", cdb[i]);
+
+	if(sense)
+	{
+		fprintf(stderr, " - sense: %02x.%02x.%02x\n",
+			sense->sense_key, sense->asc, sense->ascq);
+	}
+	else
+	{
+		fprintf(stderr, ", no sense\n");
+	}
+}
+#endif
+
+/* This is the interesting code. */
+int set_dvd_speed(int fd, int speed)
+{
+	struct cdrom_generic_command cgc;
+	struct request_sense sense;
+	unsigned char buffer[28];
+	memset(&cgc, 0, sizeof(cgc));
+	memset(&sense, 0, sizeof(sense));
+	memset(&buffer, 0, sizeof(buffer));
+
+	/* SET STREAMING command */
+	cgc.cmd[0] = 0xb6;
+	/* 28 byte parameter list length */
+	cgc.cmd[10] = 28;
+	cgc.sense = &sense;
+	cgc.buffer = buffer;
+	cgc.buflen = sizeof(buffer);
+	cgc.data_direction = CGC_DATA_WRITE;
+
+	buffer[8] = 0xff;
+	buffer[9] = 0xff;
+	buffer[10] = 0xff;
+	buffer[11] = 0xff;
+
+	buffer[15] = 177*speed;
+	buffer[18] = 0x03;
+	buffer[19] = 0xE8;
+
+	buffer[23] = 177*speed;
+	buffer[26] = 0x03;
+	buffer[27] = 0xE8;
+
+	if(ioctl(fd, CDROM_SEND_PACKET, &cgc) == 0)
+	{
+#ifdef DVDSPEED_STANDALONE
+		printf("OK\n");
+#endif
+		return 0;
+	}
+	else
+	{
+#ifdef DVDSPEED_STANDALONE
+		fprintf(stderr, "Error!\n");
+		dump_sense(cgc.cmd, cgc.sense);
+#endif
+		return -1;
+	}
+}
+
+#ifdef DVDSPEED_STANDALONE
+/* main()... should I explain? */
+int main(int argc, char *argv[])
+{
+	int c;
+	int speed = 0;
+	int fd;
+
+	if(argc != 3)
+	{
+		printf("dvdspeed - use SET STREAMING command to set the speed of DVD-drives\n");
+		printf("(c) 2004 Thomas Fritzsche, this version (restructure, help text) prepared by Thomas Orgis\n");
+		printf("free use under the GPL2, no warranties of any kind\n\n");
+		printf("\tusage: dvdspeed <speed> <device>\n\n");
+		printf("\texample: dvdspeed 8 /dev/hdc\n");
+		printf("Makes my media box more calm and me happier during dvd movie watching.\n\n");
+		printf("This tool may be necessary for (newer) drives that don't apply the CDROM speed setting of hdparm to DVDs.\n");
+		printf("One example is my NEC ND-4550, while the ND-1100A applied the hdparm CDROM speed setting to DVDs as well.\n");
+		exit(-1);
+	}
+
+	speed = atoi(argv[1]);
+	fd    = open(argv[2], O_RDONLY | O_NONBLOCK);
+	return set_dvd_speed(fd, speed);
+}
+#endif
diff -ruN hdparm-8.9/dvdspeed.h hdparm-8.9-dvd/dvdspeed.h
--- hdparm-8.9/dvdspeed.h	1970-01-01 01:00:00.000000000 +0100
+++ hdparm-8.9-dvd/dvdspeed.h	2008-08-08 23:05:20.000000000 +0200
@@ -0,0 +1 @@
+int set_dvd_speed(int fd, int speed);
diff -ruN hdparm-8.9/hdparm.c hdparm-8.9-dvd/hdparm.c
--- hdparm-8.9/hdparm.c	2008-06-17 01:39:34.000000000 +0200
+++ hdparm-8.9-dvd/hdparm.c	2008-08-08 23:12:08.000000000 +0200
@@ -21,6 +21,7 @@
 #include <asm/byteorder.h>
 
 #include "hdparm.h"
+#include "dvdspeed.h"
 #include "sgio.h"
 
 extern const char *minor_str[];
@@ -1275,6 +1276,12 @@
 			err = errno;
 			perror(" CDROM_SELECT_SPEED failed");
 		}
+		/* A fix? Applying SET STREAMING command. */
+		printf("also setting dvd streaming speed to %d\n", cdromspeed);
+		if(set_dvd_speed(fd, cdromspeed) != 0)
+		{
+			perror(" dvd speed setting failed");
+		}
 	}
 	if (set_acoustic) {
 		__u8 args[4];
diff -ruN hdparm-8.9/Makefile hdparm-8.9-dvd/Makefile
--- hdparm-8.9/Makefile	2008-06-02 18:58:29.000000000 +0200
+++ hdparm-8.9-dvd/Makefile	2008-08-08 23:11:42.000000000 +0200
@@ -23,7 +23,7 @@
 INSTALL_DIR = $(INSTALL) -m 755 -d
 INSTALL_PROGRAM = $(INSTALL)
 
-OBJS = hdparm.o identify.o sgio.o sysfs.o geom.o fibmap.o
+OBJS = hdparm.o identify.o sgio.o sysfs.o geom.o fibmap.o dvdspeed.o
 
 all: hdparm
 
@@ -37,6 +37,8 @@
 
 identify.o:	hdparm.h
 
+dvdspeed.o:     dvdspeed.c
+
 sgio.o: sgio.c sgio.h hdparm.h
 
 install: all hdparm.8