Ubuntu 11.04 + sasc-ng dvbloopback

tomvleeuwen

Hi,

Since Ubuntu 11.04 is released, I decided to upgrade my PC. However, since the upgrade, I can't get the dvbloopback module for sasc-ng working. I have been trying to fix the module without luck.

Has anyone fixed the dvbloopback module in such a way that it works under kernel 2.6.38?

Thanks

himself

http://deve.loping.net/projects/patches/download/53

hansch

Apparently some file needs to be patched, but I am at a loss as to how to go about this. For Ubuntu 11.04 I am unable to even compile sasc-ng, let alone get it working. I'm now running the 2.6.35 kernel from 10.10 on 11.04 to have a working MythTV environment.

Can someone explain more thoroughly what needs to be done to have sasc-ng working on ubuntu 11.04?

Thansk in advance

HansCH

himself

there is a long thread on dvbn happysat org abou this. find it in the linux section!

candymirror

Don't know if you're still stuck with this one. Until today I was still using kernel 2.6.35 just in order too keep mythtv with sasc's dvbloopback running.

I came acros this: http://forum.ubuntu.ru/index.php?PHPSESSID=qg235d6amjde78o1aq9ir209h3&top ic=79331.75

Assuming you've already got an instance of the open-sacs-ng source (like I did), you can skip Step 1.
Step 1; Install open-sasc-ng

Code:

cd /usr/local/src/
hg clone http://85.17.209.13:6100/sc
cd /usr/local/src/sc
chmod +x contrib/sasc-ng/configure
chmod +x contrib/sasc-ng/dvbloopback/module/config_dvb.pl

Step 2: Go to the source directory where you installed open-sasc-ng, normally if you used the open-sacs-ng tutorial this should be:

Code:

cd /usr/local/src/sc

Step 3: Open you're favorite editor, paste the code below and save the file as "2.6.38-sasc-ng.patch" (without the Qoutes)
I Used:

Code:

gedit 2.6.38-sasc-ng.patch

Past the code below, save and exit you're editor:

Code:

--- contrib/sasc-ng/dvbloopback/module/dvblb_forward.c	2011-04-25 02:44:10.511089600 +0300
+++ contrib/sasc-ng/dvbloopback/module/dvblb_forward.c	2011-04-24 21:04:17.000000000 +0300
@@ -166,9 +166,9 @@
 	struct file *ftmp = find_forwardmap(lbdev, f->private_data);
 	if (!ftmp || IS_ERR(ftmp))
 		return -EFAULT;
-	if (lbdev->forward_dev->fops &&lbdev->forward_dev->fops->ioctl)
-		return lbdev->forward_dev->fops->ioctl(
-		           ftmp->f_dentry->d_inode, ftmp, cmd, arg);
+	if (lbdev->forward_dev->fops &&lbdev->forward_dev->fops->unlocked_ioctl)
+		return lbdev->forward_dev->fops->unlocked_ioctl(
+		           ftmp, cmd, arg);
 	return -EFAULT;
 }
 
--- contrib/sasc-ng/dvbloopback/module/dvb_loopback.c	2011-04-25 02:44:10.511089600 +0300
+++ contrib/sasc-ng/dvbloopback/module/dvb_loopback.c	2011-04-25 00:42:54.234135688 +0300
@@ -118,9 +118,9 @@
 /* This is a copy of dvb_usercopy.  We need to do this because it isn't exported
    by dvbdev
 */
-static int dvblb_usercopy(struct inode *inode, struct file *file,
+static int dvblb_usercopy(struct file *file,
 		     unsigned int cmd, unsigned long arg,
-		     int (*func)(struct inode *inode, struct file *file,
+		     int (*func)(struct file *file,
 		     unsigned int cmd, void *arg))
 {
 	char    sbuf[128];
@@ -180,7 +180,7 @@
 	}
 
 	/* call driver */
-	if ((err = func(inode, file, cmd, parg)) == -ENOIOCTLCMD)
+	if ((err = func(file, cmd, parg)) == -ENOIOCTLCMD)
 		err = -EINVAL;
 
 	if (err < 0)
@@ -663,7 +663,7 @@
    dvb_generic_ioctl) which is called by dvblb_ioctl for device-0.  It is
    used to forward ioctl commands back to the userspace application
 */
-static int dvblb_looped_ioctl(struct inode *inode, struct file *f,
+static int dvblb_looped_ioctl(struct file *f,
 	unsigned int cmd, void *parg)
 {
 	int ret;
@@ -692,7 +692,7 @@
 	return ret;
 }
 
-static int dvblb_ioctl(struct inode *inode, struct file *f,
+static long dvblb_ioctl(struct file *f,
 	unsigned int cmd, unsigned long arg)
 {
 	void * parg = (void *)arg;
@@ -723,7 +723,7 @@
 		if (lbdev->forward_dev)
 			return dvblb_forward_ioctl(lbdev, f, cmd, arg);
 
-		return dvblb_usercopy (inode, f, cmd, arg,
+		return dvblb_usercopy (f, cmd, arg,
 		                       dvbdev->kernel_ioctl);
 	}
 	/* This is the userspace control device */
@@ -978,7 +978,7 @@
 	.write		= dvblb_write,
 	.poll		= dvblb_poll,
 	.mmap		= dvblb_mmap,
-	.ioctl		= dvblb_ioctl,
+	.unlocked_ioctl		= dvblb_ioctl,
 };
 
 static struct dvb_device dvbdev_looped = {
@@ -998,7 +998,7 @@
 	.write		= dvblb_write,
 	.poll		= dvblb_poll,
 	.mmap		= dvblb_mmap,
-	.ioctl		= dvblb_ioctl,
+	.unlocked_ioctl		= dvblb_ioctl,
 };
 
 static struct dvb_device dvbdev_userspace = {
--- contrib/sasc-ng/Makefile	2011-04-25 02:44:10.507089818 +0300
+++ contrib/sasc-ng/Makefile	2011-04-25 00:40:31.390323663 +0300
@@ -8,7 +8,7 @@
 
 CC       ?= gcc
 CXX      ?= g++
-CXXFLAGS ?= -Wall -D__user= -Werror 
+CXXFLAGS ?= -Wall -D__user= #-Werror 
 CFLAGS   ?= -Wall -D__user= 
 
 ifdef DVB_DIR
@@ -17,7 +17,7 @@
 endif
 
 DEFINES += -DRELEASE_VERSION=\"$(VERSION)\" -D__KERNEL_STRICT_NAMES
-INCLUDES += -Idvbloopback/module -I/lib/modules/$(shell uname -r)/build/include
+INCLUDES += -Idvbloopback/module -I/usr/include
 LBDIR = dvbloopback/src
 SCDIR = sc/PLUGINS/src/$(SCVER)
 SC_FLAGS = -O2 -fPIC -Wall -Woverloaded-virtual
@@ -57,7 +57,7 @@
 INC_DEPS := $(shell ls $(LBDIR)/*.h) dvbloopback/module/dvbloopback.h
 INC_DEPS_LB := $(shell ls dvblb_plugins/*.h)
 
-LIBS = -lpthread -lcrypto -lcrypt
+LIBS = -lpthread -lcrypto -lcrypt -lv4l1
 
 all: $(TOOL) libscanwrap.so
 
--- contrib/sasc-ng/sc/dvbdevice.cpp	2011-04-25 02:44:10.519089162 +0300
+++ contrib/sasc-ng/sc/dvbdevice.cpp	2011-04-24 21:04:17.000000000 +0300
@@ -10,7 +10,7 @@
 #include "include/vdr/dvbdevice.h"
 #include <errno.h>
 #include <limits.h>
-#include <linux/videodev.h>
+#include <libv4l1-videodev.h>
 #include <linux/dvb/audio.h>
 #include <linux/dvb/dmx.h>
 #include <linux/dvb/frontend.h>
diff -u -r systems/constcw/constcw.c systems/constcw/constcw.c
--- systems/constcw/constcw.c	2011-04-25 02:44:10.567086537 +0300
+++ systems/constcw/constcw.c	2011-04-25 02:39:59.527575519 +0300
@@ -70,7 +70,7 @@
 
 bool cPlainKeyConstCw::Matches(const cEcmInfo *ecm)
 {
-  return ecm->prgId==prgId && ecm->source==source && ecm->transponder==transponder;
+  return ecm->prgId==prgId;
 }
 
 bool cPlainKeyConstCw::Parse(const char *line)

Step 4: patch the open-sasc source

Code:

patch -p0 <2.6.38-sasc-ng.patch

Step 5: Compile the loopback module and install it.

Code:

cd /usr/local/src/sc/contrib/sasc-ng/

./configure
или
./configure --dvb-dir=/<path-to-DVB-driver>

make
make module
mkdir /lib/modules/`uname -r`/misc
/usr/bin/install dvbloopback.ko /lib/modules/`uname -r`/misc/
depmod

For more info about installing and configuring sasc:http://dolot.kipdola.com/wiki/Instal..._and_compiling

PS: Doing This requires the following dependency's: linux-headers-`uname -r` build-essential subversion mercurial openssl gettext libssl-dev screen libv4l-dev, of witch libv4l-dev seems to be a new one
Install them first:

Code:

sudo apt-get install linux-headers-`uname -r` build-essential subversion mercurial openssl gettext libssl-dev screen libv4l-dev

Last and biggest dependency: SASC requires V4L version 1 witch is no longer part of kernel releases since 2.6.38. So we'll have to find a way to get V4l1 running under 2.6.38 and higher. I'm trying to figure this out right now.

janp · **Sasc-ng installation for Debian with kernel 2.6.38 -** 29-June-2011, 11:13

Hi all,

I've done a write-up on my experience with installing sasc-ng on my Debian system with Linux kernel 2.6.38. You can find it here:
http://www.vanbest.org/drupal6/conte...g-linux-2.6.38

Cheers

Jan-Pascal

angelazh

Hi

i found two different patches:

static int dvblb_usercopy(struct file *file,

static long dvblb_usercopy(struct file *file,

which one is correct ?

himself

try and error?

wonderblood

try vdr-plugin-opensc @ https://launchpad.net/~alexandr-surkov/+archive/opensc

himself

any news here?