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  • route http and ssh traffic normally, everything else via vpn tunnel

    - by Normadize
    I've read quite a bit and am close, I feel, and I'm pulling my hair out ... please help! I have an OpenVPN cliend whose server sets local routes and also changes the default gw (I know I can prevent that with --route-nopull). I'd like to have all outgoing http and ssh traffic via the local gw, and everything else via the vpn. Local IP is 192.168.1.6/24, gw 192.168.1.1. OpenVPN local IP is 10.102.1.6/32, gw 192.168.1.5 OpenVPN server is at {OPENVPN_SERVER_IP} Here's the route table after openvpn connection: # ip route show table main 0.0.0.0/1 via 10.102.1.5 dev tun0 default via 192.168.1.1 dev eth0 proto static 10.102.1.1 via 10.102.1.5 dev tun0 10.102.1.5 dev tun0 proto kernel scope link src 10.102.1.6 {OPENVPN_SERVER_IP} via 192.168.1.1 dev eth0 128.0.0.0/1 via 10.102.1.5 dev tun0 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.6 metric 1 This makes all packets go via to the VPN tunnel except those destined for 192.168.1.0/24. Doing wget -qO- http://echoip.org shows the vpn server's address, as expected, the packets have 10.102.1.6 as source address (the vpn local ip), and are routed via tun0 ... as reported by tcpdump -i tun0 (tcpdump -i eth0 sees none of this traffic). What I tried was: create a 2nd routing table holding the 192.168.1.6/24 routing info (copied from the main table above) add an iptables -t mangle -I PREROUTING rule to mark packets destined for port 80 add an ip rule to match on the mangled packet and point it to the 2nd routing table add an ip rule for to 192.168.1.6 and from 192.168.1.6 to point to the 2nd routing table (though this is superfluous) changed the ipv4 filter validation to none in net.ipv4.conf.tun0.rp_filter=0 and net.ipv4.conf.eth0.rp_filter=0 I also tried an iptables mangle output rule, iptables nat prerouting rule. It still fails and I'm not sure what I'm missing: iptables mangle prerouting: packet still goes via vpn iptables mangle output: packet times out Is it not the case that to achieve what I want, then when doing wget http://echoip.org I should change the packet's source address to 192.168.1.6 before routing it off? But if I do that, the response from the http server would be routed back to 192.168.1.6 and wget would not see it as it is still bound to tun0 (the vpn interface)? Can a kind soul please help? What commands would you execute after the openvpn connects to achieve what I want? Looking forward to hair regrowth ...

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  • Wake On LAN on request [closed]

    - by honzas
    Hi, I have a small home network with the router capable of running OpenWRT, is there some utility or firewall rule, which can be used to Wake On LAN on request. What I think - if I want to access my media centre (using for example SSH or HTTP) and it is suspended, is it possible to catch the ICMP packet (saying the machine is offline) and send the WOL packet to wakeup the machine and resend the SSH or HTTP request? Thanks

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  • What happens when ARP Request comes from a different subnet?

    - by gsinha
    What will happen when an ARP Request packet is sent from router1 to router2 in the following two cases? Will an ARP Reply be generated or the ARP Request packet be dropped? [router1]Intf1(20.0.0.1/24) ======== (40.0.0.1/24)Intf2[router2] [router1]Intf1(20.0.0.1/24) ======== (20.0.0.2/8) Intf2[router2] The topology above have a port "Intf1" on router "router1" connected a port "Intf2" on another router "router2" via a direct link(eg, a 1 Gbps cable).

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  • Postrouting rule in NAT table

    - by codingfreak
    Hi I have a strange question regarding NAT using iptables. When I do SNAT in a postrouting chain in NAT table at the end of the rule should I give -J ACCEPT? I see counters on the postrouting rule getting incremented but no packet leaving the machine. So does it mean the packet is DROPPED automatically?

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  • other ways to change splash screen

    - by gcc
    I want change my splash screen .But when I download any splash screen packet in computer , I cannot install them .Every time ,computer gives me same warning "that packet is not a format wanted" -warning like this- I am asking "are there any other way to install splash screen?". note : I am also used 'Art manager' but it did not work properly.

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  • Opening Skype, Opera, OpenOffice logs me off

    - by anjanesh
    Whats common among Skype, Opera, OpenOffice in Ubuntu ? Whenever I open these applications I get logged off and shows back me the login screen. This started happening since the 10.10 upgrade. Forgot to mention : Yes, its x64.Each time I open these applications, the UI shows and then crashes. I started each app & logged the last few lines of /var/log/syslog after each crash. Looks like something to do with sound drivers ? Opera :Jan 8 09:33:20 al-ubuntu pulseaudio[11532]: pid.c: Daemon already running. Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: snd_pcm_avail_delay() returned strange values: delay 0 is less than avail 8. Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: snd_pcm_dump(): Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Soft volume PCM Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Control: PCM Playback Volume Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: min_dB: -51 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: max_dB: 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: resolution: 256 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Its setup is: Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: stream : CAPTURE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: format : S16_LE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: subformat : STD Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: channels : 2 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: rate : 44100 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: msbits : 16 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: buffer_size : 88192 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_size : 44096 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_time : 999909 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_step : 1 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: avail_min : 87310 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_event : 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: start_threshold : -1 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: silence_threshold: 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: silence_size : 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel' device 0 subdevice 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: Its setup is: Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: stream : CAPTURE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: format : S16_LE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: subformat : STD Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: channels : 2 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: rate : 44100 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: msbits : 16 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: buffer_size : 88192 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_size : 44096 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_time : 999909 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_step : 1 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: avail_min : 87310 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: period_event : 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: start_threshold : -1 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: silence_threshold: 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: silence_size : 0 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: appl_ptr : 87320 Jan 8 09:33:21 al-ubuntu pulseaudio[11429]: alsa-util.c: hw_ptr : 87320 Jan 8 09:33:22 al-ubuntu kernel: [ 4962.078306] opera[11036]: segfault at 261 ip 0000000000000261 sp 00007fffed7cd9a8 error 14 in opera[400000+122b000] anjanesh@al-ubuntu:~$ SkypeJan 8 09:40:21 al-ubuntu pulseaudio[12602]: pid.c: Daemon already running. Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: snd_pcm_avail_delay() returned strange values: delay 0 is less than avail 8. Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: snd_pcm_dump(): Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Soft volume PCM Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Control: PCM Playback Volume Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: min_dB: -51 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: max_dB: 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: resolution: 256 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Its setup is: Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: stream : CAPTURE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: format : S16_LE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: subformat : STD Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: channels : 2 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: rate : 44100 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: msbits : 16 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: buffer_size : 88192 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_size : 44096 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_time : 999909 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_step : 1 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: avail_min : 87310 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_event : 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: start_threshold : -1 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: silence_threshold: 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: silence_size : 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel' device 0 subdevice 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: Its setup is: Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: stream : CAPTURE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: format : S16_LE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: subformat : STD Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: channels : 2 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: rate : 44100 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: msbits : 16 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: buffer_size : 88192 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_size : 44096 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_time : 999909 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_step : 1 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: avail_min : 87310 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: period_event : 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: start_threshold : -1 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: silence_threshold: 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: silence_size : 0 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: appl_ptr : 87312 Jan 8 09:40:23 al-ubuntu pulseaudio[12485]: alsa-util.c: hw_ptr : 87312 anjanesh@al-ubuntu:~$ Open OfficeJan 8 09:43:46 al-ubuntu pulseaudio[13157]: pid.c: Daemon already running. Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: snd_pcm_avail_delay() returned strange values: delay 0 is less than avail 16. Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: snd_pcm_dump(): Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Soft volume PCM Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Control: PCM Playback Volume Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: min_dB: -51 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: max_dB: 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: resolution: 256 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Its setup is: Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: stream : CAPTURE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: format : S16_LE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: subformat : STD Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: channels : 2 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: rate : 44100 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: msbits : 16 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: buffer_size : 88192 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_size : 44096 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_time : 999909 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_step : 1 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: avail_min : 87310 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_event : 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: start_threshold : -1 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: silence_threshold: 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: silence_size : 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel' device 0 subdevice 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: Its setup is: Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: stream : CAPTURE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: access : MMAP_INTERLEAVED Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: format : S16_LE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: subformat : STD Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: channels : 2 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: rate : 44100 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: exact rate : 44100 (44100/1) Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: msbits : 16 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: buffer_size : 88192 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_size : 44096 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_time : 999909 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: tstamp_mode : ENABLE Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_step : 1 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: avail_min : 87310 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: period_event : 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: start_threshold : -1 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: stop_threshold : 6205960286516543488 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: silence_threshold: 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: silence_size : 0 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: boundary : 6205960286516543488 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: appl_ptr : 87320 Jan 8 09:43:48 al-ubuntu pulseaudio[13064]: alsa-util.c: hw_ptr : 87320 anjanesh@al-ubuntu:~$

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  • jackd fails to start

    - by wickedchicken
    I'm trying to have a setup where JACK interfaces directly to ALSA and pulseaudio communicates to JACK. This setup worked OK (I had to manually start things a few times) but as I understood the Ubuntu daemon setup and perfected things jackd stopped working completely. I'm running 10.10. If I run something through ALSA I get sound no problem. However, when I run jack with realtime: /usr/bin/jackd -v -R -ch -Z -t2000 -d alsa -P I get the following error: jackd watchdog: timeout - killing jackd Conversely, if I run without realtime: /usr/bin/jackd -v -r -ch -Z -t2000 -d alsa -P I get: ALSA: poll time out, polled for 32032138 usecs DRIVER NT: could not run driver cycle Jack was working just fine before I made these changes; while I don't have an exact copy of my original configuration I recall running the bare minimum of options worked fine. I've seen some articles saying the problem is with ALSA capture. In fact, I tried enabling capture in alsamixer once and everything worked! On reboot that success was not repeated and I haven't been able to get jack working since. That shouldn't matter because specifying -P should obviate any capture issues. Short summary: I can't get jackd to work under any circumstances (unless I specify -d dummy). Sound works with other programs with ALSA, but when I run JACK the daemon opens the card but times out and dies. JACK worked fine before but I can't figure out what changed (or where to even look). I should mention I am running with CPU speed throttling on, but I'm using HPET to mitigate this (and I've run jack with no issue before). Thanks!

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  • Update to SQL Server Configuration Scripting Utility

    - by Bill Graziano
    Last spring I released a utility to script SQL Server configuration information on CodePlex.  I’ve been making small changes in this application as my needs have changed.  The application is a .NET 2.0 console application.  This utility serves two needs for me.  First it helps with disaster recovery.  All server level objects (logins, jobs, linked servers, audits) are scripted to a single file per object type.  This enables the scripts to be easily run against a DR server.  If these are checked into source control you can view the history of the script and find out what changed and when. The second goal is to capture what changed inside a database.  Objects inside a database (tables, stored procedures, views, etc.) are each scripted to their own file.  This makes it easier to track the changes to an object over time.  This does include permissions and role membership so you can capture security changes.  My assumption is that a database backup is the primary method of disaster recovery for databases so this utility is designed to capture changes to objects.  You can find the full list of changes from the original on the Downloads page on CodePlex.

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  • OpenPGP Signing

    - by singpolyma
    I'm reading RFC4880 in an attempt to produce an implementatdion of a subset of OpenPGP (RSA signatures) using http://phpseclib.sourceforge.net/. I have the publickey and compression-literal-signature packets parsed out. I can extract n and e and feed them to Crypt_RSA to construct a verifier. I tell it I'm using sha256. It then needs a "message" and a " signature" parametre. I get the signature data out of the signature packet no problem. The question I have is: what is "message"? According to sec tion 5.2.4 it's some combination of the literal data packet(s?) (their bodies or the whole packet?) and the "hashed" subpackets. Do I just concat all the data packets and the hashed packets together in the order they appear?

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  • Does it make sense to have more than one UDP Datagram socket on standby? Are "simultaneous" packets

    - by Gubatron
    I'm coding a networking application on Android. I'm thinking of having a single UDP port and Datagram socket that receives all the datagrams that are sent to it and then have different processing queues for these messages. I'm doubting if I should have a second or third UDP socket on standby. Some messages will be very short (100bytes or so), but others will have to transfer files. My concern is, will the Android kernel drop the small messages if it's too busy handling the bigger ones? Update "The latter function calls sock_queue_rcv_skb() (in sock.h), which queues the UDP packet on the socket's receive buffer. If no more space is left on the buffer, the packet is discarded. Filtering also is performed by this function, which calls sk_filter() just like TCP did. Finally, data_ready() is called, and UDP packet reception is completed."

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  • How come ftp protocol produces transmission errors sometimes if the data is using TCP, which is checksummed?

    - by Cray
    Every once in a while, downloading (especially large) files through ftp will produce errors. I am guessing that's also partly the reason why all major sites are publishing external checksums along with their downloads. How is this possible if ftp goes through TCP, which has checksum inbuilt and resends data if it is transmitted corruptly? One could argue that this is due to the short length of the CRC in the TCP protocol (which is 16bit I think, or something like that), and the collisions are simply happening too often. but 1) for this to be true, not only must there be a CRC collision, but also the random network error must modify both the CRC in the packet, and the packet itself so that the CRC will be valid for the new packet... Even with 16 bitCRC, is that so likely? 2) There are seemingly not many errors in, say, browsing the web which also goes through TCPIP.

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  • What happens with TCP packets between two Socket.BeginReceive calls?

    - by Rodrigo
    I have a doubt about socket programming. I am developing a TCP packet sniffer. I am using Socket.BeginAccept, Socket.BeginReceive to capture every packet, but when a packet is received I have to process something. It is a fast operation, but would take some milliseconds, and then call BeginReceive again. My question is, what would happen if some packets are sent while I am processing, and haven't called BeginReceive? Are packets lost, or are they buffered internally? Is there a limit?

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  • Why packets injected with libpcap are duplicated?

    - by r0u1i
    I'm using sharppcap in order to send packets as part of a monitoring system. Usually it works well but I've encountered the strangest bug on a hosted vista machine and I would like your help. On that virtual vista machine, injected packets are duplicated. That is, if I send a ping request using libpcap, it somehow gets duplicated and I get two requests on the destination machine. The two requests are almost identical byte-wise, and the only difference between them is that the second packet's TTL field is one minus the original packet's value. Using wireshark I can see the packet gets duplicated before it (and its clone) leave the vista machine. The problem is manifested even when using other tools for injecting packets using libpcap (namely PlayCap). Any ideas?

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  • C: Cannot declare pointer inside if statement

    - by echedey lorenzo
    Hi, I have a pointer which points to a function. I would like to: if (mode == 0) { const unsigned char *packet = read_serial_packet(src, &len); } else { const unsigned char *packet = read_network_packet(fd, &len); } But I cannot do it because my compiler complains when I first use the pointer later in the code. error: 'packet' undeclared (first use in this function) This is strange. It worked without the if statement, but now I need my program to be able to get data from different sources. Isn't it possible to do this? I think so. If it isn't, is there any other simple way to get what I am trying? Thanks a lot.

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  • Avoid copying of data between user and kernel space and vice-versa

    - by bala1486
    Hello, I am developing a active messaging protocol for parallel computation that replaces TCP/IP. My goal is to decrease the latency of a packet. Since the environment is a LAN, i can replace TCP/IP with simpler protocol to reduce the packet latency. I am not writing any device driver and i am just trying to replace the TCP/IP stack with something simpler. Now I wanted to avoid copying of a packet's data from user space to kernel space and vice-versa. I heard of the mmap(). Is it the best way to do this? If yes, it will be nice if you can give links to some examples. I am a linux newbie and i really appreciate your help.. Thank you... Thanks, Bala

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  • reassembling http packets with perl and parsing it

    - by johnny2
    I am using net::pcap module to capture packets with this filter: dst $my_host and dst port 80 inside the net::pcap::loop i use the below callback function: net::pcap::loop($pcap_t,-1,\my_callback,'') where my_callback look like this : my_callback { my ($user_data, $header, $packet) = @_; # Strip ethernet IP and TCP my $ether_data = NetPacket::Ethernet::strip($packet); my $ip = NetPacket::IP->decode($ether_data); my $tcp = NetPacket::TCP->decode($ip->{'data'}); } could someone help me how can i assemble the http packets to one packet and extract its header .

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  • Substring extraction using bash shell scripting and awk

    - by rohanbk
    So, I have a file called 'dummy' which contains the string: "There is 100% packet loss at node 1". I also have a small script that I want to use to grab the percentage from this file. The script is below. result=`grep 'packet loss' dummy` | awk '{ first=match($0,"[0-9]+%") last=match($0," packet loss") s=substr($0,first,last-first) print s}' echo $result I want the value of $result to basically be 100% in this case. But for some reason, it just prints out a blank string. Can anyone help me?

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  • OpenSSL: SessionTicket TLS extension problem

    - by rursw1
    Hello, I'm using an application which uses OpenSSL for client TLS side. We upgrade the OpenSSL version from 0.9.8e to 0.9.8k. And then TLS doesn't work... Wireshark shows that the new version (with OpenSSL 0.9.8k) sends the client hello packet with a SessionTicket extension - and the server side responds with a fatal internal error. The previous version sends an almost identical hello packet, but without the SessionTicket ext. When I replaced TLSv1_client_method with SSLv23_client_method, everything worked fine - the sent client hello packet was a SSLv2 one (In the sniffer) without any extension (as it wasn't TLS but SSL?) Is there a better way to disable this extension or to solve the problem in another way? Thanks in advance, rursw1

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  • data path (travel) of tcp data from "write" syscall downto I/O registers programming

    - by osgx
    Hello Is there a good overview of tcp data path in Linux (2.6, not 2.4 if the path actually differ)? Where is a packet on different stages of tcp/ip stack handling? How packet is packed to tcp segment, then ip packet. How it is transmitted to network card? (with series of I/O regs write and DMA?) Is it transmitted to network card in the "write" syscall handler (with some deep callstack) or is it transmitted at some other moment?

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  • highlight text in 2 textboxes at the same time

    - by user1907736
    I am trying to create a packet analyzer for an online game using C# and I am new to c#. I have 2 RichTextBoxes, 1 shows the packet in bytes and the other one shows the packet in ANSI. Here is what I want to achieve: When I select(highlight) data in the byte text box, I want the corresponding data in the ANSI text box to also be highlighted. (and vice-versa) When I change data in the 1 of the textboxes, I want the corresponding data in the other textbox to also be changed. How do I do these?

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  • Boost ASIO read X bytes synchroniously into a vector

    - by xeross
    Hey, I've been attempting to write a client/server app with boost now, so far it sends and receives but I can't seem to just read X bytes into a vector. If I use the following code vector<uint8_t> buf; for (;;) { buf.resize(4); boost::system::error_code error; size_t len = socket.read_some(boost::asio::buffer(buf), error); if (error == boost::asio::error::eof) break; // Connection closed cleanly by peer. else if (error) throw boost::system::system_error(error); // Some other error. } And the packet is bigger then 4 bytes then it seems it keeps writing into those 4 bytes until the entire packet has been received, however I want it to fetch 4 bytes, then allow me to parse them, and then get the rest of the packet. Can anyone provide me with a working example, or at least a pointer on how to make it work properly ? Regards, Xeross

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  • How are files (especially audio files) organized internally?

    - by mystify
    I try to grok that: Apple is talking about "packets" in audio files, and there is a fancy function called AudioFileReadPackets which takes a lot of arguments. One of them specifies the "start packet", and another one the number of packets which you want to read. So I imagine an audio file to look like this, internally: It's made up of a lot of packets. If it's an audio file which has an variable bit rate format, then every packet may have a different size. If the file has an constant bit rate format, then every packet is the same size. So an audio file is like a truck full of boxes, and every box contains some interesting stuff. Is that correct? Does it apply to any kind of file? Is this how files actually look like?

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  • DirectX works for 64-bit but not 32-bit

    - by dtbarne
    I'm trying to play a game (Civilization 5) which was previously working but no longer. I believe I've narrowed it down to a DirectX issue because I get an error running dxdiag.exe in 32 bit mode. My goal (at least I believe) is to get Direct3D Acceleration "Enabled" in dxdiag (as it is in 64 bit dxdiag). A very similar issue is here: http://answers.microsoft.com/en-us/windows/forum/windows_7-gaming/direct3d-acceleration-is-not-available-in-windows/4c345e6e-dc68-e011-8dfc-68b599b31bf5?page=1 The proposed answer, which looks very promising, doesn't seem to work for me. Like other users in that thread, HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Direct3D\Drivers does not have a SoftwareOnly key to change. I even tried manually adding it as a string and dword, to no avail. I have a NVIDIA GeForce GT 525M, and before you ask, yes I've tried updating (also uninstalling, reinstalling) my drivers. I've also tried doing the same with DirectX (and Civilization 5 for that matter). Been debugging for some 4+ hours now after a full day of work and I've run out of ideas. I'm hoping somebody knows the solution here! :) Here's what I see when I open dxdiag: DxDiag has detected that there mgiht have been a problem accessing Direct3D the last time this program was used. Would you like to bypass Direct3D this time? No - Crash Yes - Works, but in Display tab: DirectDraw Acceleration: Disabled Direct3D Acceleration: Not Available AGP Texture Acceleration: Not Available If I click "Run 64-bit DxDiag", all three are "Enabled". I should also note that I've tried the following steps as Microsoft suggests, but I'm not able to do so as the "Change Settings" button is disabled. Some programs run very slowly—or not at all—unless Microsoft DirectDraw or Direct3D hardware acceleration is turned on. To determine this, click the Display tab, and then under DirectX Features, check to see whether DirectDraw, Direct3D, and AGP Texture Acceleration appear as Enabled. If not, try turning on hardware acceleration. Click to open Screen Resolution. Click Advanced settings. Click the Troubleshoot tab, and then click Change settings. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. Move the Hardware Acceleration slider to Full. Full dxdiag dump: ------------------ System Information ------------------ Time of this report: 11/8/2012, 23:13:24 Machine name: DTBARNE Operating System: Windows 7 Professional 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120830-0333) Language: English (Regional Setting: English) System Manufacturer: Dell Inc. System Model: Dell System XPS L502X BIOS: Default System BIOS Processor: Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz (4 CPUs), ~2.5GHz Memory: 8192MB RAM Available OS Memory: 8086MB RAM Page File: 2466MB used, 13704MB available Windows Dir: C:\Windows DirectX Version: DirectX 11 DX Setup Parameters: Not found User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent) DWM DPI Scaling: Disabled DxDiag Version: 6.01.7601.17514 32bit Unicode DxDiag Previously: Crashed in Direct3D (stage 2). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information ------------ DxDiag Notes ------------ Display Tab 1: No problems found. Sound Tab 1: No problems found. Sound Tab 2: No problems found. Input Tab: No problems found. -------------------- DirectX Debug Levels -------------------- Direct3D: 0/4 (retail) DirectDraw: 0/4 (retail) DirectInput: 0/5 (retail) DirectMusic: 0/5 (retail) DirectPlay: 0/9 (retail) DirectSound: 0/5 (retail) DirectShow: 0/6 (retail) --------------- Display Devices --------------- Card name: Intel(R) HD Graphics 3000 Manufacturer: Chip type: DAC type: Device Key: Enum\PCI\VEN_8086&DEV_0126&SUBSYS_04B61028&REV_09 Display Memory: Dedicated Memory: n/a Shared Memory: n/a Current Mode: 1920 x 1080 (32 bit) (60Hz) Monitor Name: Generic PnP Monitor Monitor Model: Monitor Id: Native Mode: Output Type: Driver Name: Driver File Version: () Driver Version: DDI Version: Driver Model: WDDM 1.1 Driver Attributes: Final Retail Driver Date/Size: , 0 bytes WHQL Logo'd: n/a WHQL Date Stamp: n/a Device Identifier: Vendor ID: Device ID: SubSys ID: Revision ID: Driver Strong Name: oem11.inf:IntelGfx.NTamd64.6.0:iSNBM0:8.15.10.2696:pci\ven_8086&dev_0126&subsys_04b61028 Rank Of Driver: 00E60001 Video Accel: Deinterlace Caps: n/a D3D9 Overlay: DXVA-HD: DDraw Status: Disabled D3D Status: Not Available AGP Status: Not Available ------------- Sound Devices ------------- Description: Speakers (High Definition Audio Device) Default Sound Playback: Yes Default Voice Playback: Yes Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0665&SUBSYS_102804B6&REV_1000 Manufacturer ID: 1 Product ID: 65535 Type: WDM Driver Name: HdAudio.sys Driver Version: 6.01.7601.17514 (English) Driver Attributes: Final Retail WHQL Logo'd: Yes Date and Size: 11/20/2010 22:23:47, 350208 bytes Other Files: Driver Provider: Microsoft HW Accel Level: Basic Cap Flags: 0xF1F Min/Max Sample Rate: 100, 200000 Static/Strm HW Mix Bufs: 1, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Digital Audio (S/PDIF) (High Definition Audio Device) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0665&SUBSYS_102804B6&REV_1000 Manufacturer ID: 1 Product ID: 65535 Type: WDM Driver Name: HdAudio.sys Driver Version: 6.01.7601.17514 (English) Driver Attributes: Final Retail WHQL Logo'd: Yes Date and Size: 11/20/2010 22:23:47, 350208 bytes Other Files: Driver Provider: Microsoft HW Accel Level: Basic Cap Flags: 0xF1F Min/Max Sample Rate: 100, 200000 Static/Strm HW Mix Bufs: 1, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No --------------------- Sound Capture Devices --------------------- Description: Microphone (High Definition Audio Device) Default Sound Capture: Yes Default Voice Capture: Yes Driver Name: HdAudio.sys Driver Version: 6.01.7601.17514 (English) Driver Attributes: Final Retail Date and Size: 11/20/2010 22:23:47, 350208 bytes Cap Flags: 0x1 Format Flags: 0xFFFFF ------------------- DirectInput Devices ------------------- Device Name: Mouse Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: Keyboard Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Poll w/ Interrupt: No ----------- USB Devices ----------- + USB Root Hub | Vendor/Product ID: 0x8086, 0x1C26 | Matching Device ID: usb\root_hub20 | Service: usbhub | +-+ Generic USB Hub | | Vendor/Product ID: 0x8087, 0x0024 | | Location: Port_#0001.Hub_#0002 | | Matching Device ID: usb\class_09 | | Service: usbhub ---------------- Gameport Devices ---------------- ------------ PS/2 Devices ------------ + Standard PS/2 Keyboard | Matching Device ID: *pnp0303 | Service: i8042prt | + Terminal Server Keyboard Driver | Matching Device ID: root\rdp_kbd | Upper Filters: kbdclass | Service: TermDD | + Synaptics PS/2 Port TouchPad | Matching Device ID: *dll04b6 | Upper Filters: SynTP | Service: i8042prt | + Terminal Server Mouse Driver | Matching Device ID: root\rdp_mou | Upper Filters: mouclass | Service: TermDD ------------------------ Disk & DVD/CD-ROM Drives ------------------------ Drive: C: Free Space: 26.2 GB Total Space: 122.0 GB File System: NTFS Model: M4-CT128M4SSD2 ATA Device Drive: D: Model: Optiarc DVDRWBD BC-5540H ATA Device Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7601.17514 (English), , 0 bytes -------------- System Devices -------------- Name: High Definition Audio Controller Device ID: PCI\VEN_8086&DEV_1C20&SUBSYS_04B61028&REV_05\3&11583659&0&D8 Driver: n/a Name: PCI standard host CPU bridge Device ID: PCI\VEN_8086&DEV_0104&SUBSYS_04B61028&REV_09\3&11583659&0&00 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_1C1A&SUBSYS_04B61028&REV_B5\3&11583659&0&E5 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_0101&SUBSYS_20108086&REV_09\3&11583659&0&08 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_1C18&SUBSYS_04B61028&REV_B5\3&11583659&0&E4 Driver: n/a Name: Intel(R) Centrino(R) Advanced-N 6230 Device ID: PCI\VEN_8086&DEV_0091&SUBSYS_52218086&REV_34\4&2634DE8D&0&00E1 Driver: n/a Name: PCI standard ISA bridge Device ID: PCI\VEN_8086&DEV_1C4B&SUBSYS_04B61028&REV_05\3&11583659&0&F8 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_1C16&SUBSYS_04B61028&REV_B5\3&11583659&0&E3 Driver: n/a Name: Realtek PCIe GBE Family Controller Device ID: PCI\VEN_10EC&DEV_8168&SUBSYS_04B61028&REV_06\4&109EAB2F&0&00E5 Driver: n/a Name: Intel(R) Management Engine Interface Device ID: PCI\VEN_8086&DEV_1C3A&SUBSYS_04B61028&REV_04\3&11583659&0&B0 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_1C12&SUBSYS_04B61028&REV_B5\3&11583659&0&E1 Driver: n/a Name: NVIDIA GeForce GT 525M Device ID: PCI\VEN_10DE&DEV_0DF5&SUBSYS_04B61028&REV_A1\4&4DCA75F&0&0008 Driver: n/a Name: Standard Enhanced PCI to USB Host Controller Device ID: PCI\VEN_8086&DEV_1C2D&SUBSYS_04B61028&REV_05\3&11583659&0&D0 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_8086&DEV_1C10&SUBSYS_04B61028&REV_B5\3&11583659&0&E0 Driver: n/a Name: Standard Enhanced PCI to USB Host Controller Device ID: PCI\VEN_8086&DEV_1C26&SUBSYS_04B61028&REV_05\3&11583659&0&E8 Driver: n/a Name: Standard AHCI 1.0 Serial ATA Controller Device ID: PCI\VEN_8086&DEV_1C03&SUBSYS_04B61028&REV_05\3&11583659&0&FA Driver: n/a Name: SM Bus Controller Device ID: PCI\VEN_8086&DEV_1C22&SUBSYS_04B61028&REV_05\3&11583659&0&FB Driver: n/a Name: Intel(R) HD Graphics 3000 Device ID: PCI\VEN_8086&DEV_0126&SUBSYS_04B61028&REV_09\3&11583659&0&10 Driver: n/a Name: Renesas Electronics USB 3.0 Host Controller Device ID: PCI\VEN_1033&DEV_0194&SUBSYS_04B61028&REV_04\4&3494AC3A&0&00E3 Driver: n/a ------------------ DirectShow Filters ------------------ DirectShow Filters: WMAudio Decoder DMO,0x00800800,1,1,WMADMOD.DLL,6.01.7601.17514 WMAPro over S/PDIF DMO,0x00600800,1,1,WMADMOD.DLL,6.01.7601.17514 WMSpeech Decoder DMO,0x00600800,1,1,WMSPDMOD.DLL,6.01.7601.17514 MP3 Decoder DMO,0x00600800,1,1,mp3dmod.dll,6.01.7600.16385 Mpeg4s Decoder DMO,0x00800001,1,1,mp4sdecd.dll,6.01.7600.16385 WMV Screen decoder DMO,0x00600800,1,1,wmvsdecd.dll,6.01.7601.17514 WMVideo Decoder DMO,0x00800001,1,1,wmvdecod.dll,6.01.7601.17514 Mpeg43 Decoder DMO,0x00800001,1,1,mp43decd.dll,6.01.7600.16385 Mpeg4 Decoder DMO,0x00800001,1,1,mpg4decd.dll,6.01.7600.16385 DV Muxer,0x00400000,0,0,qdv.dll,6.06.7601.17514 Color Space Converter,0x00400001,1,1,quartz.dll,6.06.7601.17713 WM ASF Reader,0x00400000,0,0,qasf.dll,12.00.7601.17514 Screen Capture filter,0x00200000,0,1,wmpsrcwp.dll,12.00.7601.17514 AVI Splitter,0x00600000,1,1,quartz.dll,6.06.7601.17713 VGA 16 Color Ditherer,0x00400000,1,1,quartz.dll,6.06.7601.17713 SBE2MediaTypeProfile,0x00200000,0,0,sbe.dll,6.06.7601.17528 Microsoft DTV-DVD Video Decoder,0x005fffff,2,4,msmpeg2vdec.dll,6.01.7140.0000 AC3 Parser Filter,0x00600000,1,1,mpg2splt.ax,6.06.7601.17528 StreamBufferSink,0x00200000,0,0,sbe.dll,6.06.7601.17528 MJPEG Decompressor,0x00600000,1,1,quartz.dll,6.06.7601.17713 MPEG-I Stream Splitter,0x00600000,1,2,quartz.dll,6.06.7601.17713 SAMI (CC) Parser,0x00400000,1,1,quartz.dll,6.06.7601.17713 VBI Codec,0x00600000,1,4,VBICodec.ax,6.06.7601.17514 MPEG-2 Splitter,0x005fffff,1,0,mpg2splt.ax,6.06.7601.17528 Closed Captions Analysis Filter,0x00200000,2,5,cca.dll,6.06.7601.17514 SBE2FileScan,0x00200000,0,0,sbe.dll,6.06.7601.17528 Microsoft MPEG-2 Video Encoder,0x00200000,1,1,msmpeg2enc.dll,6.01.7601.17514 Internal Script Command Renderer,0x00800001,1,0,quartz.dll,6.06.7601.17713 MPEG Audio Decoder,0x03680001,1,1,quartz.dll,6.06.7601.17713 DV Splitter,0x00600000,1,2,qdv.dll,6.06.7601.17514 Video Mixing Renderer 9,0x00200000,1,0,quartz.dll,6.06.7601.17713 Microsoft MPEG-2 Encoder,0x00200000,2,1,msmpeg2enc.dll,6.01.7601.17514 ACM Wrapper,0x00600000,1,1,quartz.dll,6.06.7601.17713 Video Renderer,0x00800001,1,0,quartz.dll,6.06.7601.17713 MPEG-2 Video Stream Analyzer,0x00200000,0,0,sbe.dll,6.06.7601.17528 Line 21 Decoder,0x00600000,1,1,qdvd.dll,6.06.7601.17835 Video Port Manager,0x00600000,2,1,quartz.dll,6.06.7601.17713 Video Renderer,0x00400000,1,0,quartz.dll,6.06.7601.17713 VPS Decoder,0x00200000,0,0,WSTPager.ax,6.06.7601.17514 WM ASF Writer,0x00400000,0,0,qasf.dll,12.00.7601.17514 VBI Surface Allocator,0x00600000,1,1,vbisurf.ax,6.01.7601.17514 File writer,0x00200000,1,0,qcap.dll,6.06.7601.17514 iTV Data Sink,0x00600000,1,0,itvdata.dll,6.06.7601.17514 iTV Data Capture filter,0x00600000,1,1,itvdata.dll,6.06.7601.17514 DVD Navigator,0x00200000,0,3,qdvd.dll,6.06.7601.17835 Overlay Mixer2,0x00200000,1,1,qdvd.dll,6.06.7601.17835 AVI Draw,0x00600064,9,1,quartz.dll,6.06.7601.17713 RDP DShow Redirection Filter,0xffffffff,1,0,DShowRdpFilter.dll, Microsoft MPEG-2 Audio Encoder,0x00200000,1,1,msmpeg2enc.dll,6.01.7601.17514 WST Pager,0x00200000,1,1,WSTPager.ax,6.06.7601.17514 MPEG-2 Demultiplexer,0x00600000,1,1,mpg2splt.ax,6.06.7601.17528 DV Video Decoder,0x00800000,1,1,qdv.dll,6.06.7601.17514 SampleGrabber,0x00200000,1,1,qedit.dll,6.06.7601.17514 Null Renderer,0x00200000,1,0,qedit.dll,6.06.7601.17514 MPEG-2 Sections and Tables,0x005fffff,1,0,Mpeg2Data.ax,6.06.7601.17514 Microsoft AC3 Encoder,0x00200000,1,1,msac3enc.dll,6.01.7601.17514 StreamBufferSource,0x00200000,0,0,sbe.dll,6.06.7601.17528 Smart Tee,0x00200000,1,2,qcap.dll,6.06.7601.17514 Overlay Mixer,0x00200000,0,0,qdvd.dll,6.06.7601.17835 AVI Decompressor,0x00600000,1,1,quartz.dll,6.06.7601.17713 AVI/WAV File Source,0x00400000,0,2,quartz.dll,6.06.7601.17713 Wave Parser,0x00400000,1,1,quartz.dll,6.06.7601.17713 MIDI Parser,0x00400000,1,1,quartz.dll,6.06.7601.17713 Multi-file Parser,0x00400000,1,1,quartz.dll,6.06.7601.17713 File stream renderer,0x00400000,1,1,quartz.dll,6.06.7601.17713 Microsoft DTV-DVD Audio Decoder,0x005fffff,1,1,msmpeg2adec.dll,6.01.7140.0000 StreamBufferSink2,0x00200000,0,0,sbe.dll,6.06.7601.17528 AVI Mux,0x00200000,1,0,qcap.dll,6.06.7601.17514 Line 21 Decoder 2,0x00600002,1,1,quartz.dll,6.06.7601.17713 File Source (Async.),0x00400000,0,1,quartz.dll,6.06.7601.17713 File Source (URL),0x00400000,0,1,quartz.dll,6.06.7601.17713 Infinite Pin Tee Filter,0x00200000,1,1,qcap.dll,6.06.7601.17514 Enhanced Video Renderer,0x00200000,1,0,evr.dll,6.01.7601.17514 BDA MPEG2 Transport Information Filter,0x00200000,2,0,psisrndr.ax,6.06.7601.17669 MPEG Video Decoder,0x40000001,1,1,quartz.dll,6.06.7601.17713 WDM Streaming Tee/Splitter Devices: Tee/Sink-to-Sink Converter,0x00200000,1,1,ksproxy.ax,6.01.7601.17514 Video Compressors: WMVideo8 Encoder DMO,0x00600800,1,1,wmvxencd.dll,6.01.7600.16385 WMVideo9 Encoder DMO,0x00600800,1,1,wmvencod.dll,6.01.7600.16385 MSScreen 9 encoder DMO,0x00600800,1,1,wmvsencd.dll,6.01.7600.16385 DV Video Encoder,0x00200000,0,0,qdv.dll,6.06.7601.17514 MJPEG Compressor,0x00200000,0,0,quartz.dll,6.06.7601.17713 Cinepak Codec by Radius,0x00200000,1,1,qcap.dll,6.06.7601.17514 Intel IYUV codec,0x00200000,1,1,qcap.dll,6.06.7601.17514 Intel IYUV codec,0x00200000,1,1,qcap.dll,6.06.7601.17514 Microsoft RLE,0x00200000,1,1,qcap.dll,6.06.7601.17514 Microsoft Video 1,0x00200000,1,1,qcap.dll,6.06.7601.17514 Audio Compressors: WM Speech Encoder DMO,0x00600800,1,1,WMSPDMOE.DLL,6.01.7600.16385 WMAudio Encoder DMO,0x00600800,1,1,WMADMOE.DLL,6.01.7600.16385 IMA ADPCM,0x00200000,1,1,quartz.dll,6.06.7601.17713 PCM,0x00200000,1,1,quartz.dll,6.06.7601.17713 Microsoft ADPCM,0x00200000,1,1,quartz.dll,6.06.7601.17713 GSM 6.10,0x00200000,1,1,quartz.dll,6.06.7601.17713 CCITT A-Law,0x00200000,1,1,quartz.dll,6.06.7601.17713 CCITT u-Law,0x00200000,1,1,quartz.dll,6.06.7601.17713 MPEG Layer-3,0x00200000,1,1,quartz.dll,6.06.7601.17713 Audio Capture Sources: Microphone (High Definition Aud,0x00200000,0,0,qcap.dll,6.06.7601.17514 PBDA CP Filters: PBDA DTFilter,0x00600000,1,1,CPFilters.dll,6.06.7601.17528 PBDA ETFilter,0x00200000,0,0,CPFilters.dll,6.06.7601.17528 PBDA PTFilter,0x00200000,0,0,CPFilters.dll,6.06.7601.17528 Midi Renderers: Default MidiOut Device,0x00800000,1,0,quartz.dll,6.06.7601.17713 Microsoft GS Wavetable Synth,0x00200000,1,0,quartz.dll,6.06.7601.17713 WDM Streaming Capture Devices: HD Audio Microphone 2,0x00200000,1,1,ksproxy.ax,6.01.7601.17514 Integrated Webcam,0x00200000,1,2,ksproxy.ax,6.01.7601.17514 WDM Streaming Rendering Devices: HD Audio Headphone/Speakers,0x00200000,1,1,ksproxy.ax,6.01.7601.17514 HD Audio SPDIF out,0x00200000,1,1,ksproxy.ax,6.01.7601.17514 BDA Network Providers: Microsoft ATSC Network Provider,0x00200000,0,1,MSDvbNP.ax,6.06.7601.17514 Microsoft DVBC Network Provider,0x00200000,0,1,MSDvbNP.ax,6.06.7601.17514 Microsoft DVBS Network Provider,0x00200000,0,1,MSDvbNP.ax,6.06.7601.17514 Microsoft DVBT Network Provider,0x00200000,0,1,MSDvbNP.ax,6.06.7601.17514 Microsoft Network Provider,0x00200000,0,1,MSNP.ax,6.06.7601.17514 Video Capture Sources: Integrated Webcam,0x00200000,1,2,ksproxy.ax,6.01.7601.17514 Multi-Instance Capable VBI Codecs: VBI Codec,0x00600000,1,4,VBICodec.ax,6.06.7601.17514 BDA Transport Information Renderers: BDA MPEG2 Transport Information Filter,0x00600000,2,0,psisrndr.ax,6.06.7601.17669 MPEG-2 Sections and Tables,0x00600000,1,0,Mpeg2Data.ax,6.06.7601.17514 BDA CP/CA Filters: Decrypt/Tag,0x00600000,1,1,EncDec.dll,6.06.7601.17708 Encrypt/Tag,0x00200000,0,0,EncDec.dll,6.06.7601.17708 PTFilter,0x00200000,0,0,EncDec.dll,6.06.7601.17708 XDS Codec,0x00200000,0,0,EncDec.dll,6.06.7601.17708 WDM Streaming Communication Transforms: Tee/Sink-to-Sink Converter,0x00200000,1,1,ksproxy.ax,6.01.7601.17514 Audio Renderers: Speakers (High Definition Audio,0x00200000,1,0,quartz.dll,6.06.7601.17713 Default DirectSound Device,0x00800000,1,0,quartz.dll,6.06.7601.17713 Default WaveOut Device,0x00200000,1,0,quartz.dll,6.06.7601.17713 Digital Audio (S/PDIF) (High De,0x00200000,1,0,quartz.dll,6.06.7601.17713 DirectSound: Digital Audio (S/PDIF) (High Definition Audio Device),0x00200000,1,0,quartz.dll,6.06.7601.17713 DirectSound: Speakers (High Definition Audio Device),0x00200000,1,0,quartz.dll,6.06.7601.17713 --------------- EVR Power Information --------------- Current Setting: {651288E5-A7ED-4076-A96B-6CC62D848FE1} (Balanced) Quality Flags: 2576 Enabled: Force throttling Allow half deinterlace Allow scaling Decode Power Usage: 100 Balanced Flags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 50 PowerFlags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 0

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  • How to set background in OpenGL captured image from OpenCV

    - by user325487
    Hey All, i'm relatively new to Artoolkitplus and openGL i'm having a tough time getting the image i capture through openCV to be set as the background image in OpenGL ... I also cannot convert the image i take through the camera using opencv to be scaled to 320x280 from 640x480 .. i also have to save my image and load if for things to work... here's my code //////////// int findMarker() { IplImage* image = cvQueryFrame( capture ); if( !capture ) { fprintf( stderr, "ERROR: capture is NULL \n" ); getchar(); return -1; } if( !image ) { fprintf( stderr, "ERROR: frame is null...\n" ); getchar(); } //cvShowImage( "Capture", frame ); //image = cvCloneImage( frame ); try{ if(!cvSaveImage("immagineTmp.jpg",image)) printf("Could not save\n"); } catch(void*) {} image = cvLoadImage("immagineTmp.jpg", 1); cvShowImage( "Image", image ); glLoadIdentity(); ////////////// glDisable(GL_DEPTH_TEST); glOrtho(0,640,0,480,-1,1); glGenTextures(1, &bgid); glBindTexture(GL_TEXTURE_2D, bgid); // Create Linear Filtered Texture glBindTexture(GL_TEXTURE_2D, bgid); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexImage2D(GL_TEXTURE_2D, 0, 3, image-width, image-height, 0, GL_RGB, GL_UNSIGNED_BYTE, image-imageData); glBindTexture(GL_TEXTURE_2D, bgid); glBegin(GL_QUADS); glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.2f, -1.0f, -2.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.2f, -1.0f, -2.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.2f, 1.0f, -2.0f); glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.2f, 1.0f, -2.0f); glEnd(); glEnable(GL_DEPTH_TEST); glLoadIdentity(); //////////// // do the OpenGL camera setup glMatrixMode(GL_PROJECTION); glLoadMatrixf(tracker-getProjectionMatrix()); int markerId = tracker-calc((unsigned char *)(image-imageData)); float conf = tracker-getConfidence(); // use the result of calc() to setup the OpenGL transformation glMatrixMode(GL_MODELVIEW); glLoadMatrixf(tracker-getModelViewMatrix()); if(markerId!=-1) { printf("\n\nFound marker %d (confidence %d%%)\n\nPose-Matrix:\n ", markerId, (int(conf*100.0f))); for(int i=0; i<16; i++) printf("%.2f %s", tracker-getModelViewMatrix()[i], (i%4==3)?"\n " : ""); } cvReleaseImage(&image); return 0; }

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  • Command prompt in debug mode for Eclipse? (OpenCV + Eclipse + Win7)

    - by Tony
    I am a beginner for Eclipse. I now have Eclipse C/C++ IDE with OpenCV library running on Windows 7. So far it works after spending hours trying to get it running. But then I realize that Eclipse does not pop up a command prompt as VS2010 does while debugging. And moreover Eclipse's debug mode is just stuck in there and refuse to output anything. But if the code doesn't involve the OpenCV things it works again. Below is the code I use for testing. It captures images from webcam and output it to the screen. The infinite loop (until you press 'q') makes sure it constantly grabs new inputs from the camera. I browsed through the workspace and run the exe just compiled and it worked flawlessly. So I don't think there's anything wrong in the code (it's an example code anyway In brief, can I just pop up a command prompt window in debug mode? And why is Eclipse console stuck when the code involves some OpenCV functions? #include <stdio.h> #include <stdlib.h> #include <tchar.h> #include <cv.h> #include <cxcore.h> #include <highgui.h> #include <iostream> int _tmain(int argc, _TCHAR* argv[]) { CvCapture *capture = 0; IplImage *frame = 0; int key = 0; /* initialize camera */ capture = cvCaptureFromCAM( 0 ); /* always check */ if ( !capture ) { printf("Cannot open initialize webcam!\n"); return 1; } /* create a window for the video */ cvNamedWindow( "result", CV_WINDOW_AUTOSIZE ); while( key != 'q' ) { /* get a frame */ frame = cvQueryFrame( capture ); /* always check */ if( !frame ) break; /* display current frame */ cvShowImage( "result", frame ); /* exit if user press 'q' */ key = cvWaitKey( 1 ); } /* free memory */ cvDestroyWindow( "result" ); cvReleaseCapture( &capture ); return 0; }

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