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• Why can’t two programs access my webcam simultaneously?

  - by qdii

  I first launch cheese and my webcam turns on. I then run vlc to grab the output of /dev/video0 but it fails with: [0x7f3ea40012e8] v4l2 demux error: cannot set input 0: Device or resource busy [0x7f3ea40012e8] v4l2 demux error: cannot set input 0: Device or resource busy [0x7f3ea4002168] v4l2 access error: cannot set input 0: Device or resource busy [0x7f3ea4002168] v4l2 access error: cannot set input 0: Device or resource busy [0x7f3eb4000b78] main input error: open of `v4l2:///dev/video0' failed Whatever pair of video programs I run (skype, cheese, vlc, etc.), the result is always the same: the second program can no longer use the webcam when the first one has already grabbed the output. However I find it curious as video4linux states: In general, V4L2 devices can be opened more than once. When this is supported by the driver, users can for example start a "panel" application to change controls like brightness or audio volume, while another application captures video and audio. My webcam is seen in lspci as 058f:a014 Alcor Micro Corp. Asus Integrated Webcam, but I don’t even know what the underlying driver is, so I can’t check whether my problem is driver-related or not. Any input would be more than welcome!

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• Broken Creative DTT3500 Digital

  - by djechelon

  Hello, many years ago I bought a Creative DTT3500 Digital surround speakers system. It's been a while since my home theatre started behaving strange. During the past 6 months, I have noticed that the amplifier needed some time before correctly playing digital audio. Until a couple of weeks ago, it needed up to 5 minutes of very noisy "warm up" before playing an "almost" clear audio. Today, I found that even using the analog input (completely disabling digital inputs) the noise persists. Powering off and on the speakers doesn't work. Now, it's reasonable that after almost 10 years, the amplifier got broken. My problem is that I can't simply replace the speakers with another kit from another brand, since 2 speakers in my room are placed in the back wall, with coaxial cables going under the floor but not completely inside a single tube. I mean, I have coaxial extension cables starting from the DTT3500 amplifier, going into the wall, then under the floor in a plastic cable tube, then exiting the tube (still under the floor), connecting to the male coaxial connector of the original cable supplied by Creative, and continuing up to the point close to my bed where the speakers are. I could replace the speakers **only as soon as the new speakers have the same coaxial to bi-polar cables that Creative ships with DTT3500 Another option might be "repairing the amplifier", but I don't know if it's feasible, what should I or a technician look for in the amplifier, and how much would it cost (is it worth to repair or buy a new kit considering the problem above? What do you suggest me to do, basing on the above observation? Thank you.

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• Debian amd64 on Dell Studio 540 reboot hangs

  - by Shcheklein

  Hi, I have Dell Studio 540 desktop and Debian Lenny installed on it: 2.6.26-2-amd64 #1 SMP Tue Mar 9 22:29:32 UTC 2010 x86_64 GNU/Linux The problem is that I can't reboot it. It just hangs after "Will now restart" message. I've already tried: reboot=b, reboot=a, reboot=h kernel options. Nothing helps. Additional info (I can provide any other information): dmidecode System Information Manufacturer: Dell Inc. Product Name: Studio 540 lspci 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03) 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 1 00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 3 00:1c.5 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 6 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller 02:00.0 FireWire (IEEE 1394): JMicron Technologies, Inc. Device 2380 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

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• How to rip AVI from VOB using ffmpeg

  - by Linux Jedi

  I am trying to convert a VOB to an AVI. I have ripped an AVI from this VOB before using ffmpeg, but for some reason it's not working this time. This is what I tried: ffmpeg -sameq -acodec copy -i VTS_01_2.VOB output.avi This is the output I get: FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers built on Dec 29 2010 18:02:10 with gcc 4.2.1 (Apple Inc. build 5664) configuration: libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0.11. 0 / 0.11. 0 [mpeg2video @ 0x101014200]mpeg_decode_postinit() failure Last message repeated 6 times Input #0, mpeg, from 'VTS_01_2.VOB': Duration: 26:30:29.20, start: 140.171311, bitrate: 90 kb/s Stream #0.0[0x1e0]: Video: mpeg2video, yuv420p, 720x480 [PAR 32:27 DAR 16:9], 9800 kb/s, 31.44 fps, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0.1[0xa0]: Audio: pcm_s16be, 48000 Hz, 2 channels, s16, 1536 kb/s Output #0, avi, to 'output.avi': Metadata: ISFT : Lavf52.64.2 Stream #0.0: Video: mpeg4, yuv420p, 720x480 [PAR 32:27 DAR 16:9], q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc Stream #0.1: Audio: pcm_s16be, 48000 Hz, 2 channels, 1536 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Could not write header for output file #0 (incorrect codec parameters ?)

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• Toshiba laptop cd drive read causes OS to totally freeze

  - by Fujishiro

  Okay I'll try to write an understandable summary. Forgive me if I'll fail with that attempt though. So. There is a Toshiba Satellite notebook. Got Windows 7 x86 Professional (OEM) installed on it, everything is fine (okay.. somewhat). The problem. If you put an audio or any kind of disc into the drive, something starts to eat the PC. Back then when the owner told me about this, he put an audio disc into the lappy. Winamp caused the IO load, 100%. Tried taskkill, taskkill /T, tried powershell, EVERYTHING. You just can NOT kill winamp or anything which becomes the blocker at that time. Even if you kill almost everything, laptop won't do a clear shutdown. Also I tried to use the force switch at 'shutdown' from cmd, but no use. (So: At these times you can use the laptop, but the blocker/explorer/disc becomes gray as a non-responding app. You can try to kill them, but that won't work, nor you can shutdown the machine). (Also tried using PID, but no use. For the highest IO I used the "select columns" from Task Manager and enabled the IO columns.) My first hunch was the problematic disc, autoplay and it tries to read tries to read (still shouldn't kill the PC). Disabled autoplay, removed winamp. Tried other software, etc. Everything was ok. Few days later the owner tried to put a disc into the machine and it started to reproduce the same symptoms but with a totally different disc. Uhm what to know. Virus is not an option, protected by BitDefender (valid license) and Spybot. Thanks if you have ANY idea about this strange problem. ps.: For now, the owner uses Daemon tools + Blindwrite as an alternative for those apps which wouldnt start without the disc.

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• I keep losing wireless connection

  - by posfan12

  I have a WRT54GL v1.1 wireless router and a WUSB54G v4 wireless adapter, both made by Linksys. The router is in the living room by the TV and the my computer is in the bedroom. My ISP is Brighthouse. Operating System Microsoft Windows 7 Home Premium 64-bit SP1 CPU Intel Core 2 Duo E6600 @ 2.40GHz 36 °C Conroe 65nm Technology RAM 3.00GB Single-Channel DDR2 @ 333MHz (5-4-4-14) Motherboard eMachines EMCP73VT-PM (CPU 1) 26 °C Graphics ASUS VS247 (1920x1080@60Hz) 767MB GeForce GTX 460 (nVidia) 43 °C Hard Drives 466GB Seagate ST350041 8AS SCSI Disk Device (SATA) 35 °C Optical Drives HL-DT-ST DVDRAM GH41N SCSI CdRom Device Audio High Definition Audio Device The problem is that my Internet connection will work fine for 15 minutes or so. Then the data will just stop flowing. Windows says I am still connected, and the systray icon still shows five bars. But Comodo Firewall will stop showing up and down traffic, and another of my systray applications complains about a lack of connection. What I usually do is either disconnect from the network manually, or unplug and re-plug the USB adapter. At which point the connection will work properly for another 15 minutes. I've tried unplugging my router for 30 seconds and letting it reboot. I've also tried looking for a newer driver for my adapter but I seem to have the latest version 3.1.3.0. This is a recent problem starting about a week ago. For the previous several months things were working just fine. I haven't made any changes to my system that I am aware of. The only thing I did was open my case to blow the dust out of it, then put everything back together. How do I fix this issue?

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• Debian amd64 on Dell Studio 540 reboot hangs

  - by Shcheklein

  Hi, I have Dell Studio 540 desktop and Debian Lenny installed on it: 2.6.26-2-amd64 #1 SMP Tue Mar 9 22:29:32 UTC 2010 x86_64 GNU/Linux The problem is that I can't reboot it. It just hangs after "Will now restart" message. I've already tried: reboot=b, reboot=a, reboot=h kernel options. Nothing helps. Additional info (I can provide any other information): dmidecode System Information Manufacturer: Dell Inc. Product Name: Studio 540 lspci 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03) 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 1 00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 3 00:1c.5 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 6 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller 02:00.0 FireWire (IEEE 1394): JMicron Technologies, Inc. Device 2380 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

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• ffmpeg rotate mp4 90º

  - by shox

  Hi, can I rotate(+save / reencode) a .mp4 with ffmpeg? The only thing I found was on the mailinglist saying -vfilters "rotate=90" but ffmpeg says no vfilters. Tried -vf, it says there is no rotate. If I try to do it in VLC it simply does not rotate and kills the audio (did the vlc encoding EVER work? Every single freakin video I throw at it gets fu****d up in some way -_- ) I'm on a MAC and don't have iWork. Any ideas? Thanks FFmpeg version git-svn-r23607, Copyright (c) 2000-2010 the FFmpeg developers built on Jun 14 2010 23:52:55 with gcc 4.2.1 (Apple Inc. build 5659) configuration: libavutil 50.19. 0 / 50.19. 0 libavcodec 52.76. 0 / 52.76. 0 libavformat 52.68. 0 / 52.68. 0 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1.20. 0 / 1.20. 0 libswscale 0.11. 0 / 0.11. 0 Hyper fast Audio and Video encoder

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• lm-sensors - always returns 32 degrees (celsius) for temperature

  - by mopoke

  On my VIA EPIA motherboard (using VIA VT8231 ISA bridge), I get strange output for the lm-sensors temperature reading. It always returns 32 degrees (celsius). I have previously had correct output for temperature (my munin graphs show temperatures typically in the range of 50 to 60 degrees. I've tried uninstalling (and purging) the lm-sensors package, have re-run sensors-detect a number of times and rebooted but nothing seems to change the output. I am running Ubuntu Karmic Koala (9.10). Anyone got any bright ideas on what I might have missed? uname -a: Linux george 2.6.31-16-386 #53-Ubuntu SMP Tue Dec 8 06:39:34 UTC 2009 i686 GNU/Linux cpuinfo: processor : 0 vendor_id : CentaurHauls cpu family : 6 model : 7 model name : VIA Samuel 2 stepping : 3 cpu MHz : 399.000 cache size : 64 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu de tsc msr cx8 mtrr pge mmx 3dnow up bogomips : 800.04 clflush size : 32 power management: lspci: 00:00.0 Host bridge: VIA Technologies, Inc. VT8601 [Apollo ProMedia] (rev 05) 00:01.0 PCI bridge: VIA Technologies, Inc. VT8601 [Apollo ProMedia AGP] 00:11.0 ISA bridge: VIA Technologies, Inc. VT8231 [PCI-to-ISA Bridge] (rev 10) 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) 00:11.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1e) 00:11.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1e) 00:11.4 Bridge: VIA Technologies, Inc. VT8235 ACPI (rev 10) 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT82C686 AC97 Audio Controller (rev 40) 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 51) 01:00.0 VGA compatible controller: Trident Microsystems CyberBlade/i1 (rev 6a) sensors: acpitz-virtual-0 Adapter: Virtual device temp1: +32.0°C (crit = +60.0°C)

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• ubuntu not detecting CDdrives

  - by Mirage

  Ihave insatlled ubuntu 10.4 on my compuer with 6 cd drives. Now initiallyi had window server 2008 and i had to install marvel raid sata controller and then my window detected all 6 drives. Now ubuntu is detecting only 3 drives and i have not found marvell drivers for ubuntu bt i have drives for window 2008. Now my question is if i have vrtual machine inside ubuntu using vmware workstation and i install that driver. then can VM dtect thse 6 drives or host has to detect those drives first to make VMs use that Ubuntu shows this thing from terminal *-cdrom:0 description: DVD-RAM writer product: DVDRAM GSA-H10N vendor: HL-DT-ST physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/cdrom2 logical name: /dev/cdrw2 logical name: /dev/dvd2 logical name: /dev/dvdrw2 logical name: /dev/scd0 logical name: /dev/sr0 version: JL10 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc *-cdrom:1 description: DVD writer product: DVDRRW GWA-4164B vendor: HL-DT-ST physical id: 0.1.0 bus info: scsi@0:0.1.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/scd1 logical name: /dev/sr1 version: 1.01 serial: [HL-DT-STDVDRRW GWA-4164B1.0105/05/12 capabilities: removable audio cd-r cd-rw dvd dvd-r configuration: ansiversion=5 status=nodisc Is t detecting all drives or thise local names just same

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• There's no sound on Ubuntu with an Intel HDA onboard chip and Realtek ALC1200 codec.

  - by Hanno Fietz

  For a while now, my sound has not been working in Ubuntu. It used to play OK, but after some upgrade (might have been distro upgrade to 9.10), it stopped working. I'm currently running 10.04 on an amd64 architecture. I'm using the builtin audio on a Foxconn motherboard, it's an ATI / Intel HDA chip with an Azalia controller, apparently it's using the Realtek ALC1200 codec. All the gory details here. I found a nice sound troubleshooting tutorial here, which is well-written and pretty extensive, however, I fail to look up the supported "models" for my soundcard. The troubleshooting page says to look for a section giving the codec used by your soundcard, which looks like this for me: !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: Realtek ALC1200 Then, I'm supposed to lookup the models for that codec in the file Documentation/ALSA-Configuration.txt in the appropriate directory of ALSA's git repository. Mine actually pointed me to a separate file, Documentation/HD-Audio-Models.txt, which, for my driver version is located here and contains no section related to ALC1200 codecs. I tried putting the driver options probe-mask=1 and model=auto in a config file for modprobe, as suggested elsewhere, but this just lead to snd-hda-intel not able to load at all anymore. I also tried installing the linux-backports-modules-alsa package for my kernel, because the description sounded promising, but that didn't change anything, either.

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• newsubtitles line not working in FFmpeg

  - by godMode

  i'm trying to run the following line on FFmpeg that will basically "re-format" an MKV file to MP4 without doing any re-encoding and also embed SRT subtitles onto the MP4 output: ffmpeg -i test.mkv -i test.srt -newsubtitle -acodec copy -vcodec copy test.mp4 Without the "-i test.srt -nwesubtitle" bit, it seems to work just fine; however, with it I get the following output: Seems stream 0 codec frame rate differs from container frame rate: 47.95 (5000000/104271) - 23.98 (24000/1001) Stream #0.0(eng): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc Stream #0.1(eng): Subtitle: 0x0000 Metadata: title : English Stream #0.2(jpn): Audio: aac, 48000 Hz, stereo, s16 Metadata: title : Japanese 2.0 Stream #0.3(eng): Audio: aac, 48000 Hz, stereo, s16 Metadata: title : English 2.0 Stream #0.4(eng): Subtitle: 0x0000 Metadata: title : English Songs & Signs Stream #0.5: Attachment: 0x0000 Metadata: filename : MyriadPro-Bold.ttf Stream #0.6: Attachment: 0x0000 Metadata: filename : MyriadPro-RegularHaruhi.ttf Stream #0.7: Attachment: 0x0000 Metadata: filename : ChaparralPro-BoldIt.ttf Stream #0.8: Attachment: 0x0000 Metadata: filename : ChaparralPro-SemiboldIt.ttf Stream #0.9: Attachment: 0x0000 Metadata: filename : epmgobld_ending.ttf Stream #0.10: Attachment: 0x0000 Metadata: filename : epminbld_opening.ttf Stream #0.11: Attachment: 0x0000 Metadata: filename : Folks-Bold.ttf Stream #0.12: Attachment: 0x0000 Metadata: filename : GosmickSansBold.ttf Stream #0.13: Attachment: 0x0000 Metadata: filename : WarnockPro-LightDisp.ttf Stream #0.14: Attachment: 0x0000 Metadata: filename : epmgobld_ending.ttf Stream #0.15: Attachment: 0x0000 Metadata: filename : GosmickSansBold.ttf Stream #0.16: Attachment: 0x0000 Metadata: filename : Marker SD 1.2.ttf Stream #0.17: Attachment: 0x0000 Metadata: filename : MyriadPro-Bold.ttf Stream #0.18: Attachment: 0x0000 Metadata: filename : MyriadPro-RegularHaruhi.ttf Stream #0.19: Attachment: 0x0000 Metadata: filename : MyriadPro-SemiCn.ttf test.srt: Invalid data found when processing input I tried adding "-r pal", "-r ntsc" or "-r 23.98" thinking it was framerate issue with no change.

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• FFMPEG: how to add watermark to video?

  - by DocWiki

  My Platform: Ubuntu 10.10 + FFMPEG 0.5.3(I installed ffmpeg from source) I try to add Watermark to a .MOV video with FFMPEG 0.5.3 imlib2.so (Please note FFMPEG 0.6+ dont support imlib2.so, so I use ffmpeg 0.5.3) Here is my code: ffmpeg -sameq -i example.mov -vhook '/usr/local/lib/vhook/imlib2.so -x 0 -y 0 -i /var/www/files/watermark.png' newexample.mov Here is the output: FFmpeg version 0.5.3, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-avfilter --enable-filter=movie --enable-avfilter-lavf libavutil 49.15. 0 / 49.15. 0 libavcodec 52.20. 1 / 52.20. 1 libavformat 52.31. 0 / 52.31. 0 libavdevice 52. 1. 0 / 52. 1. 0 libavfilter 0. 4. 0 / 0. 4. 0 built on Jul 3 2011 12:05:08, gcc: 4.4.5 Seems stream 1 codec frame rate differs from container frame rate: 59.94 (5994/100) - 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'example.mov': Duration: 00:03:14.06, start: 0.000000, bitrate: 3350 kb/s Stream #0.0(eng): Audio: aac, 48000 Hz, stereo, s16 Stream #0.1(eng): Video: h264, yuv420p, 1150x647, 29.97 tbr, 29.97 tbn, 59.94 tbc Output #0, mov, to 'newexample.mov': Stream #0.0(eng): Video: mpeg4, yuv420p, 1150x647, q=2-31, 200 kb/s, 90k tbn, 29.97 tbc Stream #0.1(eng): Audio: 0x0000, 48000 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.1 - #0.0 Stream #0.0 - #0.1 Unsupported codec for output stream #0.1 What could be the possible problem? Is that AAC or H264 that is not supported? I installed libavcodec-extra-52, linfaac, libfaad and etc. but the error is the same. Do I have to install following this instruction? HOWTO: Install and use the latest FFmpeg and x264 or there is a simpler solution?

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• Lenovo S110 netbook screen resolution Ubuntu

  - by Neigyl R. Noval

  I am still stuck with 800x600 resolution. Here is the output of lspci: 00:00.0 Host bridge: Intel Corporation Device 0bf2 (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Device 0be2 (rev 09) 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02) 00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02) 00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation N10/ICH7 Family SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02) 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8176 (rev 01) Also, I tried modifying /usr/lib/X11/xorg.conf.d/10-monitor.conf to fix this problem, but still does not work: Section "Monitor" Identifier "Monitor0" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Screen" Identifier "Screen0" Monitor "Monitor0" Device "Card0" SubSection "Display" Viewport 0 0 Depth 1 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 4 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 8 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 15 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 24 Modes "1024x768" EndSubSection EndSection Section "Device" Identifier "Card0" Driver "vesa" VendorName "Intel Corporation Device" EndSection I'm using Gnome. System Preference Monitor screen resolution sticks to 800x600. What am I going to do?

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• Digitize video?

  - by kire

  I got some movies on a VCR that i want to move to my computer somehow. (for personal use) I have a video capture card and all hardware required. I'm looking for the software - programs, codecs etc. I like the format that most torrents come in and got some of these i'd like to use as reference for comparison. How can i see what codec, bitrate, etc a movie is using so i can pick this and know that it will work and look good. For AVI-files the bitrate is visible in explorer but it doesn't mention the codec used and i also have a lot of MKV-files that explorer can't handle. All kinds of tips, tricks and other suggestions are welcome. This is completely new to me. How do I avoid that video/audio gets out of sync for example, many movies you download have audio out of sync so i guess this can happen quite easily. The encoding-program has to run on windows and for playback the movies should work on at least VLC for windows.

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• Alternative software for Pinnacle PCTV 100e

  - by Stijn Sanders

  I have a Pinnacle PCTV 100e external USB cable television receiver. I've been using Pinnacle's software that came with the card (TVCenter Pro) to record things at given times. Things I don't like is an extremely high CPU load, and that it doesn't seem to halt the screensaver from running when watching in full screen. Also, I was away the last two weeks, and the schedules went terribly bust. Some items were recorded hours before or after the actual scheduled time (and now I missed some shows), and some recurring schedules weren't converted into the next occurrence correctly! Is there good alternative software that would work with my PCTV 100e? (Preferalby cheap or free) I've tried VLC Player, which gets video, but no audio. I've tried MediaPortal, which crashes when trying to scan for channels. When I select a channel manually, the stored mpg has big errors in encoding and is also missing audio. There's VirtualDub, but that doesn't have ready-made scheduled-recording options. This I can conjure some scheduled scripts for, but I've noticed the sync gets awfully wrong after some time. I've tried Windows Media Center, but it doesn't seem to support the PCTV 100e.

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• Wireless driver activation problem in compaq c700 in ubuntu 9.04

  - by Fazil

  I am using ubuntu 9.04, i cant access my wireless driver, i activate the madwifi in administrationhardware drivers, but i could'nt activated the wireless too. when i type lspci i get the following message, ################################################## # 00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f4) 00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 04) 00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 04) 01:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01) 02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) ################################################## but when i tried in windows i found that the driver for my laptop is ################################################ atheros AR5007 802.11b/g WiFi Adapter ################################################ so what can i do for solving this problem.

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• How to get a higher resolution on Ubuntu 11.04 using an intel chipset

  - by Saif Bechan

  I have a bit slow PC here, so I decided to put Ubuntu 11.04 on it. It use to run Windows Vista on a resolution of 1280x1024, so both my hardware and monitor support it. Now I'm on Ubuntu, but can only run 1024x768, and the screen is not that bright. Its like when you don't have the right drivers on a Windows machine. Now i'm new to linux, so I do not know what do do. I have an onboard Intel chipset i965. Maybe this is some useful information, I read something about it on a forum: lspci 00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02) 00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 02) 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01) 00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01) 00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 01) 00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01) 00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01) 00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01) 00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01) 00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1) 00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01) 00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller (rev 01) 00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01) 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) 03:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0) Can someone please tell me how I can get the screen better? saif@sodium:~$ xrandr Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096 VGA1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.0* 800x600 60.3 56.2 848x480 60.0 640x480 59.9

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• ffmpeg: converting an avi to a reduced, shareable flv/mp4...

  - by meder

  I recently followed a guide and recompiled my ffmpeg so x264 is enabled. I used some generic settings to convert my 700 MB avi file to a mp4 file, the result was a 407MB mp4 file. The original avi file's settings: Codec: DX50 Resolution: 704x304 Frame rate: 23.976023 Stream 1 Codec: mpga Type: Audio Channels: 2 Sample rate: 48000 Hz Bitrate 179 kb/s Command I used: ffmpeg -i input.avi -acodec libfaac -ab 128k -ac 2 -vcodec libx264 -vpre hq -crf 22 -threads 0 output.mp4 The settings of the output file (output.mp4): Codec: avc1 Resolution: 704x304 Display resolution: 704x304 Frame rate: 11.988011 Stream 1 Codec: mp4a Type: Audio Channels: 2 Sample Rate: 48000 Hz Bits per sample: 16 Bitrate: 1536 kb/s The quality of the output mp4 is pretty nice, it seems as if it's pretty much the same as the original source. However, I'm trying to reduce the filesize and I'm not really sure whether I should go with an flv format or keep it mp4. The advantage the flv would have obviously is that it would be playable with a flash player ( I have come across some swf players which take a flash parameter to play an flv file ).. but maybe I could use the video element, as I'm only going to be displaying this video privately so I don't have to worry about supporting legacy browsers such as IE. Can someone recommend some settings to specify in order for the filesize to be around ~100-150MB or so? I don't mind a reduction in quality, nor do I mind resizing it - I was going to do it initially but I wasn't sure what the guidelines were ( if any ) for dealing with resolution.. since this video's is 704x304 would it still be ok if I forced it into one that isn't perfectly fit for the aspect ratio? I have no clue about that part. I realize that I could have probably specified 28 instead of 22 for the CRF, I'm not sure if I should do that as opposed to maybe specifying smaller resolution, which might make it smaller as well?

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• Windows Remote Desktop: "configuring remote session" closes without error

  - by icelava

  I have a desktop/laptop pair at home operating x64 Windows 7 (the desktop was upgraded from Windows Vista, works just fine). I remote desktop to them on a daily basis when outside. In recent weeks, I would occasionally fail to connect to my desktop. It can connect and authenticate fine, but the "configuring remote session" dialog would simply close and not show me the desktop window or any error message. There is no error event log relating to this on the desktop computer. Some suggestions call for disabling remote audio, which mine already is, but trying different audio modes did not yield any different result. I am not too sure if this is related to video card drivers (they do get auto-updated), since remote desktop video is supposed to steer via a virtual device driver? Nonetheless the desktop operates three monitors via an ATI Radeon HD5770 (1 Displayport, 2 DVI). I do not see a real problem with that since I can mostly connect and operate it remotely. I try to "remote tunnel" via my home laptop but obviously won't work either as the problem lies in the desktop. What other conditions can cause remote desktop to break without error? UPDATE I came home and still couldn't connect to the desktop until I restarted the entire system.

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• Debian: What are these files in /sys/devices/pci0000:00/ for?

  - by muhuk

  I am running Debian Squeeze on an MSI M670 laptop. I have these following files on my root drive, each 256MB: file:///sys/devices/pci0000:00/0000:00:05.0/resource1 file:///sys/devices/pci0000:00/0000:00:05.0/resource1_wc Here is my lspci output: muhuk@debian:~$ lspci 00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2) 00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2) 00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2) 00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2) 00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2) 00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2) 00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2) 00:03.0 PCI bridge: nVidia Corporation C51 PCI Express Bridge (rev a1) 00:05.0 VGA compatible controller: nVidia Corporation C51 [GeForce Go 6100] (rev a2) 00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2) 00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3) 00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3) 00:0a.3 Co-processor: nVidia Corporation MCP51 PMU (rev a3) 00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3) 00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3) 00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1) 00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1) 00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1) 00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2) 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2) 00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3) 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 04:04.0 FireWire (IEEE 1394): O2 Micro, Inc. Firewire (IEEE 1394) (rev 02) 04:04.2 SD Host controller: O2 Micro, Inc. Integrated MMC/SD Controller (rev 01) 04:04.3 Mass storage controller: O2 Micro, Inc. Integrated MS/xD Controller (rev 01) 04:09.0 Network controller: RaLink RT2561/RT61 rev B 802.11g I am speculating these have something to do with the shared RAM my GPU is using. But why a file on disk? And why two of them?

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• Dell Dimension running Fedora12 does a "Sleeping Beauty" and I am not am not a "handsome prince"!

  - by Jim Dobbs

  Dell Dimension 2350 with a Pentium IV processor and integrated video and network chips running Fedora12 does a "Sleeping Beauty" and I, apparently, am not am not a "handsome prince"! The system puts video and network to sleep and it will not wakeup. I have heard of this problem on laptops, but this is a tower. Any ideas or help is appreciated. I tried to ping the network card from another system and ping fails. The logs indicate that the system continues to be active. Pressing keyboard short-cut keys makes the disk light blink but neither the video or network card comes alive. Failing all else, are there any Linux commands that I could schedule in cron to pulse video and network adapters hourly that will keep them awake? Or, should I wait on Fedora13? Before this machine, I built a Dimension 2400 with Pentium IV and it had the same problem. Fedora9 on the same hardware is fine.

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• Is it safe to install vlc on ubuntu 10.04?

  - by officespace

  In ubuntu 10.04, when I apt-get install vlc I get this warning: WARNING: The following packages cannot be authenticated! liba52-0.7.4 libavutil49 libgsm1 libschroedinger-1.0-0 libavcodec52 libavformat52 libcddb2 libdvbpsi5 libdvdread4 libdvdnav4 libebml0 libenca0 libfaad2 libiso9660-7 liblua5.1-0 libmad0 libmatroska0 libmodplug0c2 libmpcdec3 libmpeg2-4 libpostproc51 libqtcore4 libqtgui4 libsdl-image1.2 libswscale0 libtar libtwolame0 libvcdinfo0 vlc-data libvlccore2 libvlc2 libass4 libdca0 libupnp3 libx264-85 vlc-nox libxcb-keysyms1 vlc vlc-plugin-pulse Install these packages without verification [y/N]? Why is this happening and is it safe to install these packages without verification? I'd appreciate any help.

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• How to convert an MKV to AVI with minimal loss

  - by Linux Jedi

  To convert an MKV to AVI, I do two things. The first thing I do is this: ffmpeg -i filename.mkv -vcodec copy -acodec copy output.avi This converts the MKV to an AVI, but the problem is that the video does not play smoothly for some reason. That's fine, because if I do one more thing it gets fixed: ffmpeg -i output.avi -vcodec mpeg4 -b 4000k -acodec mp2 -ab 320k converted.avi After I do this then the file plays without problem. I had success doing it this way for one file, but then I tried it on another file, and there is a slight, but noticeable loss in video quality. This is the output I get when doing the second step: FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers built on Dec 29 2010 18:02:10 with gcc 4.2.1 (Apple Inc. build 5664) configuration: libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0.11. 0 / 0.11. 0 Seems stream 0 codec frame rate differs from container frame rate: 359.00 (359/1) -> 29.92 (359/12) Input #0, avi, from 'output.avi': Metadata: ISFT : Lavf52.64.2 Duration: 00:04:17.21, start: 0.000000, bitrate: 3074 kb/s Stream #0.0: Video: mpeg4, yuv420p, 704x480 [PAR 229:189 DAR 5038:2835], 29.92 fps, 29.92 tbr, 29.92 tbn, 359 tbc Stream #0.1: Audio: vorbis, 48000 Hz, stereo, s16 Output #0, avi, to 'nidome_no_kanojo.avi': Metadata: ISFT : Lavf52.64.2 Stream #0.0: Video: mpeg4, yuv420p, 704x480 [PAR 229:189 DAR 5038:2835], q=2-31, 4000 kb/s, 29.92 tbn, 29.92 tbc Stream #0.1: Audio: mp2, 48000 Hz, stereo, s16, 320 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 I just used arbitrarily large settings on the second step and it worked nicely before but not in this case. What settings should I use?

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• Cannot set video resolution above 640x480 after installing Windows XP SP2

  - by waanders

  I've installed Windows XP SP2 on a computer (there was not SP at all). Now the display settings are set back to 640x480 and 4 bits colors. And I can't change it, it's the only option in Settings tab of the Display dialog of Windows. The screen look awful now, how can I solve this problem? UPDATE: Seems to be a problem with the video driver (thanks @Karan and @Hennes). I did run Speccy (PC-Wizard freezes the computer) and this is a part of the log file: Summary Operating System Microsoft Windows XP Professional 32-bit SP3 CPU Intel Celeron Willamette 0.18um Technology RAM 512 MB DDR @ 133MHz (2.5-3-3-6) Motherboard COMPAQ 0838h (FC-478) Graphics Standard Monitor (640x480@1Hz) Hard Drives 19.0GB Maxtor 2B020H1 (PATA) Optical Drives No optical disk drives detected Audio No audio card detected ... Graphics Monitor Name Standard Monitor on Current Resolution 640x480 pixels Work Resolution 640x450 pixels State enabled, primary Monitor Width 640 Monitor Height 480 Monitor BPP 4 bits per pixel Monitor Frequency 1 Hz Device \\.\DISPLAY1 OpenGL Version 1.1.0 Vendor Microsoft Corporation Renderer GDI Generic GLU Version 1.2.2.0 Microsoft Corporation Values GL_MAX_LIGHTS 8 GL_MAX_TEXTURE_SIZE 1024 GL_MAX_TEXTURE_STACK_DEPTH 10 GL Extensions GL_WIN_swap_hint GL_EXT_bgra GL_EXT_paletted_texture GL_EXT_bgra

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