VideoLAN Wiki - User contributions [en]

Template:VLC:latest version

2012-09-12T17:51:51Z

Arite: Undo revision 23068 by Grotten (talk)

2.0.3

WindowsFAQ-1.1.x

2011-01-04T21:21:41Z

Arite: /* Can I fix those broken AVI files permanently? */ Link to new DivFix++ homepage

This page contains list of common questions and problems (FAQ aka Frequently asked questions) that [[Windows]] users have about [[VLC media player]] 1.1.x
For 0.8.6 check [[WindowsFAQ-0.8.x]], for 0.9.x check [[WindowsFAQ-0.9.x]] and for 1.0.x check [[WindowsFAQ-1.0.x]].

==Video output related questions and problems==
===Why does VLC only give black, white or garbled (or other visual errors) video output?===
Usually the problem lies in display adapter drivers. If you are too scared to update your display adapter drivers, you can change VLC settings to make video work. If you are using Windows XP or older the easiest fix is usually to disable '''Accelerated video output/Overlay video output''' which can be found first opening '''Tools -> Preferences''' and then choosing '''Video'''. After you have unticked the Accelerated video output, press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://koti.mbnet.fi/raiska/tutorials/vlc092/11a.png Image about Overlay video output setting]

If disabling Overlay video output doesn't help, then the next step is to change video output module. Open '''Tools -> Preferences''' (set Show Settings to All) and then choosing '''Video -> Output module'''. There are multiple output modules you can use. For Windows XP and younger you can try '''DirectX 3D''', '''DirectX''', '''OpenGL''' and '''Windows GDI''' video output modules. With Windows Vista DirectX and Windows GDI output modules will disable Aero so if you want to use Aero, please use DirectX 3D (should be default). Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://koti.mbnet.fi/raiska/tutorials/vlc092/11b.png Image about video output modules setting]

===Video shows green, blue or red lines===
See above.

===How can I adjust brightness or contrast?===
You can adjust brightness, contrast and other settings via '''Extended settings'''. Open '''Tools -> Effects and Filter''' to adjust these settings ('''Video Effects -> Basic''' and tick '''Image adjust'''). Changes should show up realtime.

====How can I keep the brightness and contrast adjustments in memory forever?====
Open '''Tools -> Preferences''' (set Show Settings to All) and then choosing '''Video -> Filters -> Image Adjust''' and set values you want to use (trial and error).

====Can I set file specific brightness or contrast?====
Yes, but it isn't that easy. You have to create VLC shortcut or bat file with proper settings. More info can be found from [http://forum.videolan.org/viewtopic.php?f=14&t=46202#p152964 this] thread

===How do I set the default deinterlace method?===
'''Tools -> Preferences''' (Show settings: All) '''Video -> Filters''' and tick '''Deinterlacing''' video filter from under '''Video output filter module''' (NOT FROM UNDER Video filter module!). Then '''Video -> Filters -> Deinterlace''' and choose the default mode. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://img399.imageshack.us/img399/4220/vlcdeinterlace01hc2.png] image showing the Video output filter module part

==Audio output related questions and problems==
===Crackles, pops, hizzes and other audio anomalies===
If you hear some unwanted audio problems you can try another audio output module to see if that solves the issue (Save and restart VLC after changes). Open '''Tools -> Preferences''' (set Show Settings to All) and then choosing '''Audio -> Output module'''. There are multiple output modules you can use for audio. '''DirectX''', '''Win32 waveOut''' and '''Simple DirectMedia Layer''' should work in most cases. Unfortunately there isn't an ASIO support in VLC.
[http://koti.mbnet.fi/raiska/tutorials/vlc092/10b.png Image about audio output modules setting]

===Crackles, pops, hizzes and other audio anomalies with SPDIF passthrough===
SPDIF passthrough of Dolby Digital (AC3) and DTS audiotracks don't work with all soundcards. '''Win32 waveOut''' output module should work better with SPDIF.
===I don't hear dialog, conversations etc. while playing 5.1 audio===
Make sure you have select proper speaker setup from Windows audio settings or from soundcard control panel. If you have done so, make sure VLC also has right settings. '''Audio -> Audio Device''' to select proper speaker settings during playback.
===How do I adjust audio delay?===
During playback you can press '''k''' or '''j''' to adjust audio delay (adjust step is 50 ms).
===How can I play external audio track with video?===
'''Media -> Advanced Open File...''' and select the video file and after that tick '''Show more options''' and then '''Play another media synchronously...''' and select the audio file you want to use. Then when playing the video go to '''Audio -> Audio Track -> Track 2''' to select the second (or whichever it is) audio track (this so called Slave-mode doesn't work correctly).
===How do I change my output device in case I have multiple audio devices connected to my PC?===
Open '''Tools -> Preferences''' (set Show Settings to All) and if you use DirectX, then '''Audio -> Output modules -> DirectX''' and '''Output device'''. If you use Waveout, then '''Audio -> Output modules -> WaveOut''' and '''Select Audio Device'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

==(Graphical) user interface related questions and problems==
===How can I separate playback controls from playback window?===
Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Video''' and untick '''Embedded video''' selection. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===How can I make skinned interface my default interface?===
Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Interface -> Main interfaces''' and from '''Interface module''' dropdown box select '''Skinnable Interface'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://koti.mbnet.fi/raiska/tutorials/vlc092/20.png Image about Skinnable Interface setting]

===Can I jump to certain time?===
You can use '''--start-time''' from command line when you start VLC. There is also '''Playback -> Jump to Specific Time''' option in GUI.

===How can I change UI language?===
You can use '''Tools -> Preferences''' (set Show Settings to All) and '''Interface''' and select correct language from '''Language''' drop down list. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

Also you can use '''--language=''' from command line if you can't navigate with current language or you want to use batch files/scripts.
for example:
'''vlc --language=en''' to get English. Other options are auto, en, ar, pt_BR, en_GB, ca, zh_TW, cs, da, nl, fi, fr, gl, ka, de, he, hu, it, ja, ko, ms, oc, fa, pl, pt_PT, ro, ru, zh_CN, sr, sk, sl, es, sv, tr

===How can I disable fullscreen controller?===
You can use '''Tools -> Preferences''' (set Show Settings to All) and '''Interface -> Main interfaces -> Qt''' and untick '''Show a controller in fullscreen mode''' option.
[http://koti.mbnet.fi/raiska/tutorials/vlc092/25.png Image about fullscreen controller setting]

===Why doesn't the time slider show up?===
If you use WindowBlinds or similar custom skin engine, it usually breaks QT4 interface in VLC. So either disable that engine with VLC or change VLCs GUI to something else (like skins2).

===How can I disable showing of the filename when video starts?===
Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Video''' and untick '''Show media title on video'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===How do I disable showing of the Privacy and Network Policies dialog during first VLC startup?===
Launch VLC with '''--no-qt-privacy-ask''' command-line option.

===How do I disable pop up track notification shown in system tray (systray)?===
Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Interface -> Main interfaces -> Qt''' then untick '''Show notification popup on track change'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

==Codec compatibility related questions and problems==
===How can I identify what codecs the file uses===
With VLC, Open the file you want and open '''Tools -> Codec Information'''.
===VLC doesn't identify used codecs correctly or gives "undf" as codec or I want more information about specs===
There are multiple video and audio identification tools, but one very useful is tool called [http://mediainfo.sourceforge.net/ Mediainfo].
===H.264/MPEG-4 AVC playback is too slow===
You can speed up the H.264/MPEG-4 AVC playback by disabling loop filter for H.264 decoding. To do this go to '''Tools -> Preferences''' (set Show Settings to All) and '''Input / Codecs -> Other codecs -> FFmpeg''' and in the drop-down box for '''Skip the loop filter for H.264 decoding''' change it to '''All'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

You can also try GPU based video decoding (works on NVIDIA Geforce 9xx0 and newer cards also on ATI Radeon HD 5xx0 and newer ones). You can enable it from '''Tools -> Preferences''' and '''Input & Codecs''' and tick '''Use GPU acceleration'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===Problem with Real audio or Real video support===
Most Real audio or Real video should work with VLC 1.0.0, but if you have file that doesn't work then post thread to forums.
===Why can't VLC use CoreAVC, FFDshow, AC3filter, etc. codecs?===
VLC only uses built in codecs (see [http://en.wikipedia.org/wiki/VLC_media_player]) so it doesn't support VfW or DirectShow APIs for codecs.
You are free to hack the source and use it, though, for example it is possible to make VLC into a directshow filter [http://www.sensoray.com/support/videoLan.htm].

====But you support [[DMO]] (Direct Media Object) module for WMV video and WMA audio====
WMV and WMA are exceptions to this external codec support.

==File and media format compatibility related questions and problems==
===Some DVD movies don't work at all or they crash/freeze to menu or playback===
If you open DVD with '''DVD''' selection, try with '''No DVD menus''' option (aka '''dvdsimple''').

Some new DVD movies use copy protection mechanisms that VLC doesn't support. It might help if you rip that movie to hard drive using tools like '''DVDFab Decrypter''' or '''AnyDVD''' and use VLC to playback these files from hard drive.

===DVD movies don't playback smooth (they stutter, lag, etc.)===
One thing that might help is increasing the VLC DVD cache. This can be done from '''Tools -> Preferences''' (set Show Settings to All) and '''Input / Codecs -> Access Modules -> DVD with menus''' (or '''DVD without menus''' if you use dvdsimple method for playback) and increase '''Caching value in MS''' value to for example to 5000 or to 20000. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

If DVD files from hard drive work better, then check that your DVD drive has DMA enabled (if it is a IDE/ATAPI DVD drive).
===Can I play DVD files (VOB+IFO) from hard drive?===
Yes you can. Use '''Media -> Open Disc...''' and instead of DVD drive, point the location to correct folder by using either '''Browse...''' button or customize field . For example: '''dvd://"c:\movies\BLOOD DIAMOND\VIDEO_TS"'''
===How do I handle the broken AVI files?===
Some AVI files may give '''The AVI file is broken. Seeking not work correctly.Do you want to try to repair(this might take a long time)''' dialog. Those AVI files have some issues and you can try to fix those file temporarily with VLC or permanently with other tools. If you don't fix those files, seeking won't work correctly and those files may also crash players.
====Can I always perform same repair action?====
Yes you can. This can be done from '''Tools -> Preferences''' (set Show Settings to All) and '''Input / Codecs -> Demuxers -> AVI''' and select the wanted action from '''Force index creation''' dropdown box. '''Ask''' is default (it will always ask what you want to do). '''Always fix''' tries to always fix AVI files and '''Never fix''' always starts the playback without fixing. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
====Can I fix those broken AVI files permanently?====
Yes. You can try for example [http://www.divfix.org/ DivFix++] or [http://www.virtualdub.org/ Virtualdub] for fixing. Virtualdub [http://forum.videolan.org/viewtopic.php?f=14&t=45427&p=143688&hilit=virtualdub#p143688 help].

====Can I fix those broken or partially downloaded Matroska/MKV files too?====
Yes. You can try [http://meteorite.sourceforge.net Meteorite] for fixing.
===Some MP4 or 3GP files don't have audio at all===
If those files have AMR audio (usually ones from mobile phones) they won't work with current stable VLC versions.

==Subtitles related questions and problems==
===How do I adjust subtitle delay?===
During playback you can press '''h''' or '''g''' to adjust subtitle delay (adjust step is 50 ms).
===How can I select right subtitle track?===
If your video has multiple subtitle tracks, you can select the one you would like to see from '''Video -> Subtitles Track'''.
===Can I disable hardcoded or "burned" subtitles with VLC?===
No.
===Can I change font, font size, style or color?===
You can with text-based subtitle formats ([[Subtitles codecs]]). Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Video -> Subtitles/OSD -> Text renderer''' and adjust anything you want. '''Font size in pixels''' overrides '''Relative font size''' selection. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
===How can I change subtitles text encoding?===
If you see wrong characters on screen or '''failed to convert subtitle encoding''' error message you should try to change '''Subtitles text encoding''' option which can be found from '''Tools -> Preferences''' (set Show Settings to All) and '''Input / Codecs -> Other codecs -> Subtitles'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
===How can I select a Unicode font, so I can watch e.g. Chinese subtitles?===
Go to '''Tools -> Preferences''' (set Show Settings to All) and '''Video -> Subtitles/OSD''', then change the '''Text Rendering Module''' from '''Default''' to '''Freetype2 font renderer'''. After that go to '''Video -> Subtitles/OSD -> Text renderer''' and choose Unicode font (like '''Arial''') to '''Font'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://img693.imageshack.us/img693/7739/vlctextrenderingmodule.jpg Text Rendering Module]
[http://img829.imageshack.us/img829/9008/vlctextrenderingmodulef.jpg Font]

==General problems and issues==
===VLC crashes/freezes/BSODs my computer===
VLC doesn't do that. Normal apps shouldn't be able to cause issues like these to operating systems. Culprit is usually bad device driver (for example display adapter driver, soundcard driver, chipset driver, network adapter driver etc.) or broken hardware.
===How do I reset VLC settings?===
If you can start VLC, go to '''Tools -> Preferences''' and then press '''Reset Preferences''' and '''Save''' to reset and save VLC settings. Remember to restart VLC after that to make sure changes are enabled.

If you can't start VLC, go to '''%appdata%''' folder and delete '''vlc''' folder from there (Start -> run and type '''%appdata%\vlc''' there and press OK if you can't locate %appdata%).

Also start menu -> VideoLan -> "Reset VLC media preferences ..."

===VLC crashes on startup===
This usually happens because VLC setting files have been corrupted. Resetting VLC settings should fix this.
===I messed up my file associations or I want to modify them===
Please read [[Windows#How_to_associate_media_files_to_VLC|this documentation]] or reinstall VLC.

===Can VLC burn CD, DVD, HD DVD or Blu-ray discs?===
No.
===Is VLC legal in all countries?===
Probably not. Specially DeCSS module might violate DMCA (and similar laws) and some codecs would require licenses for personal/commercial use. There haven't been any court cases related to VLC but specially companies should make sure they pay license fees to license holders if they use VLC commercially and use patented formats or codecs.

===Can I run multiple VLC instances?===
Yes you can. Read [[How_to_play_multiple_instances_of_VLC|this documentation]].

===VLC 1.1.0 doesn't work with Windows Me/98/98se/95/NT===
This is by design. You need at least Windows 2000 to run latest VLC. For earlier Windows release, use VLC 0.8.6i
or check out [http://forum.videolan.org/viewtopic.php?f=14&t=64425 this forum post ] for tips running latest VLC under Windows 98 or Windows Me.

===How can I make VLC to preview my eMule downloads?===
Check out [http://forum.videolan.org/viewtopic.php?f=14&t=61826#p206451 this forum post ].

===How do I specify the folder where the recorded files (via red rec button) will be stored?===
'''Tools -> Preferences''' and '''Input&codecs''' and '''Record directory or filename'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

----
This space is left blank to make anchoring work correctly.

Documentation:Streaming HowTo

2010-04-06T23:34:17Z

Arite:

{{RightMenu|documentation streaming howto toc}}

Authors:
* Alexis de Lattre
* Johan Bilien
* Anil Daoud
* Clément Stenac
* Antoine Cellerier
* Jean-Paul Saman

Copyright (c) 2002-2006 the VideoLAN project

{{GPL}}

'''This document explains how to stream, transcode and save streams using the VideoLAN solution'''

[[Documentation:Streaming HowTo/Streaming, Muxers and Codecs|Streaming, Muxers and Codecs]]

[[Documentation:Streaming HowTo/Easy Streaming|Easy Streaming]]

[[Documentation:Streaming HowTo/Advanced Streaming Using the Command Line|Advanced Streaming Using the Command Line]]

[[Documentation:Streaming HowTo/Command Line Examples|Command Line Examples]]

[[Documentation:Streaming HowTo/VLM|VLM - Multiple Streaming and Video on Demand]]

[[Documentation:Streaming HowTo/Receive and Save a Stream|Receive and Save a Stream]]

[[Documentation:Streaming HowTo New|Convert files to other formats]]

[[Documentation:Streaming HowTo/Stream a File|Stream a File]]

[[Documentation:Streaming HowTo/Stream a DVD|Stream a DVD]]

[[Documentation:Streaming HowTo/Stream a DVB Channel|Stream a DVB Channel]]

[[Documentation:Streaming HowTo/Stream from Encoding Cards and Other Capture Devices|Stream from Encoding Cards and Other Capture Devices]]

[[Documentation:Streaming HowTo/Stream from a DV Camcorder|Stream from a DV Camcorder]]

[[Documentation:Streaming HowTo/Streaming over IPv6|Streaming over IPv6]]

[[Documentation:Streaming HowTo/Advanced streaming with samples, multiple files streaming, using multicast in streaming|Advanced streaming with samples, multiple files streaming, using multicast in streaming]]

[[Documentation:Streaming HowTo/Streaming a live video feed to Darwin Streaming Server for Mobile Phones|Streaming a live video feed to Darwin Streaming Server for Mobile Phones]]

{{Documentation}}

Template:Documentation streaming howto toc

2010-04-06T23:33:27Z

Arite: Added link to article regarding transcoding, fixed "View this alone" link

{| border="0" cellspacing="0" cellpadding="1"
!<big>[[Documentation:Streaming_HowTo|VLC Streaming HowTo]]</big><br />
|-
!<br />Introduction
|-
|[[Documentation:Streaming HowTo/Streaming, Muxers and Codecs|Streaming, Muxers and Codecs]]
|-
!<br />Main
|-
|[[Documentation:Streaming HowTo/Easy Streaming|Easy Streaming]]
|-
|[[Documentation:Streaming HowTo/Advanced Streaming Using the Command Line|Advanced Streaming Using the Command Line]]
|-
|[[Documentation:Streaming HowTo/Command Line Examples|Command Line Examples]]
|-
!<br />VLM
|-
|[[Documentation:Streaming HowTo/VLM|VLM - Multiple Streaming and Video on Demand]]
|-
!<br />Tutorials and examples
|-
|[[Documentation:Streaming HowTo/Receive and Save a Stream|Receive and Save a Stream]]
|-
|[[Documentation:Streaming HowTo New|Convert files to other formats]]
|-
|[[Documentation:Streaming HowTo/Stream a File|Stream a File]]
|-
|[[Documentation:Streaming HowTo/Stream a DVD|Stream a DVD]]
|-
|[[Documentation:Streaming HowTo/Stream a DVB Channel|Stream a DVB Channel]]
|-
|[[Documentation:Streaming HowTo/Stream from Encoding Cards and Other Capture Devices|Stream from Encoding Cards and Other Capture Devices]]
|-
|[[Documentation:Streaming HowTo/Stream from a DV Camcorder|Stream from a DV Camcorder]]
|-
!<br />IPv6
|-
|[[Documentation:Streaming HowTo/Streaming over IPv6|Streaming over IPv6]]
|-
|align="right"|<small>[[Template:Documentation_streaming_howto_toc|View this alone]]</small>
|}<includeonly>
<br clear="right" />
</includeonly>

Documentation:Streaming HowTo New

2010-04-06T22:23:30Z

Arite: /* Transcoding */ Fixed typos

This documentation explains how to stream, transcode and save streams using [[VLC media player]].

'''NOTE: This is work in progress. For a more complete, yet outdated, documentation on Streaming with VLC please see the old [[Documentation:Streaming HowTo|Streaming HowTo]].'''

==Introduction==
VLC media player is able to stream, transcode and save different media streams. For more information about the formats and codecs supported please see the [http://www.videolan.org/streaming-features.html VideoLAN Streaming Features list].

==Transcoding==
[[Transcode|Transcoding]] is the process of taking a media file or stream and converting it to a different format or bitrate. There are two methods for transcoding in VLC, via the GUI (VLC's default interface) or via the commandline. The term ''transcode'' by itself normally refers to converting one media format to another and saving the output to a file (i.e. no streaming involved).

===Transcoding using the GUI===
One of the methods of transcoding is via the GUI. To access this:
#In VLC, go to "Media >> Convert / Save..." (Ctrl+R).
#Add the input file(s) or stream(s) you want to transcode. Press "Convert / Save".
#In the "Convert" windows specify the destination file name (including file extension - e.g. on Windows "C:\out.mp3").
#Select the desired codec from the profile list. To check/edit the settings of a given profile press the "Edit selected profile" button. Profiles can also be added/deleted.
#Press "Start".
If the profile settings were compatible and transcoding was sucessful a playable destination file should be created.

===Using the commandline===
Another method of transcoding is via the commandline. This is more flexible than via the GUI as it enables full usage of the modules and options available in VLC.

To use the VLC's commandline you need to have access to the commandline interface, for example via a shell.
====Windows-based systems====
On Windows-based system Command Prompt can be used. This can be found in the "Accessories" folder of the Start menu. Alternatively by going to "Start >> Run..." or pressing "Windows key + R", entering "cmd" into the text field and press "OK" or Enter.

Once the Command Prompt window is opened navigating to the folder/directory where VLC is located is easiest for using the commandline as only "vlc.exe" or "vlc" (as the .exe part is assumed) needs to entered to run VLC. If VLC is installed in the default location (on a 32-bit system) running:
cd "C:\Program Files\VideoLAN\VLC"
Should change to the directory where vlc.exe is located.

====Unix systems====
On Unix-based system (such as Linux and Mac OS X) a terminal window can be opened. Running "vlc" should be all that is needed to open VLC.

====Transcoding commandline string structure====
A typical commandline string for converting a file to another format is:
vlc --sout "#transcode{[TRANSCODE_OPTIONS]}:std{[OUTPUT_OPTIONS]}" INPUT
Where <tt>INPUT</tt> is the input stream, <tt>[TRANSCODE_OPTIONS]</tt> are the options set for the desired output format, codecs, bitrate etc. and <tt>[OUTPUT_OPTIONS]</tt> are the option set for the output type. <tt>--sout</tt> is the stream output commandline option.

====Example commandline: Converting an audio file to a MP3 file====
An example usage might be converting an audio file to a MP3 file:
vlc --sout "#transcode{acodec=mp3,ab=128,channels=2,samplerate=44100}:std{access=file,mux=raw,dst=OUTPUT}" INPUT
Where INPUT is the input file ans OUTPUT is the destination file (for example "C:\out.mp3" on Windows or "/home/username/out.mp3" on a *nix system).
The above sout string is the default "Audio - MP3" profile setting accessible via the GUI. It will convert an audio input to a 128kbps CBR MP3 file (sample rate 44100Hz, 2 channels).
====Other examples commandline strings====
Convert an audio input to an uncompressed WAVE (*.wav) file:
vlc --sout "#transcode{acodec=s16l,channels=2,samplerate=44100}:std{access=file,mux=wav,dst=OUTPUT}" INPUT
Convert an audio input to an AAC file (MP4 container):
vlc --sout "#transcode{acodec=mp4a,ab=128,channels=2,samplerate=44100}:std{access=file,mux=mp4,dst=OUTPUT}" INPUT

==See also==
*[[Documentation:Streaming HowTo|Streaming HowTo]] - Outdated HowTo for streaming with VLC
*[[Transcode]] - Further information about transcoding with VLC

Documentation:Streaming HowTo New

2010-04-06T17:33:31Z

Arite: /* See also */

This documentation explains how to stream, transcode and save streams using [[VLC media player]].

'''NOTE: This is work in progress. For a more complete, yet outdated, documentation on Streaming with VLC please see the old [[Documentation:Streaming HowTo|Streaming HowTo]].'''

==Introduction==
VLC media player is able to stream, transcode and save different media streams. For more information about the formats and codecs supported please see the [http://www.videolan.org/streaming-features.html VideoLAN Streaming Features list].

==Trancoding==
[[Transcode|Trancoding]] is the process of taking a media file or stream and converting it to a different format or bitrate. There are two methods for trancoding in VLC, via the GUI (VLC's default interface) or via the commandline. The term ''transcode'' by itself normally refers to converting one media format to another and saving the output to a file (i.e. no streaming involved).

===Trancoding using the GUI===
One of the methods of transcoding is via the GUI. To access this:
#In VLC, go to "Media >> Convert / Save..." (Ctrl+R).
#Add the input file(s) or stream(s) you want to transcode. Press "Convert / Save".
#In the "Convert" windows specify the destination file name (including file extension - e.g. on Windows "C:\out.mp3").
#Select the desired codec from the profile list. To check/edit the settings of a given profile press the "Edit selected profile" button. Profiles can also be added/deleted.
#Press "Start".
If the profile settings were compatible and transcoding was sucessful a playable destination file should be created.

===Using the commandline===
Another method of transcoding is via the commandline. This is more flexible than via the GUI as it enables full usage of the modules and options available in VLC.

To use the VLC's commandline you need to have access to the commandline interface, for example via a shell.
====Windows-based systems====
On Windows-based system Command Prompt can be used. This can be found in the "Accessories" folder of the Start menu. Alternatively by going to "Start >> Run..." or pressing "Windows key + R", entering "cmd" into the text field and press "OK" or Enter.

Once the Command Prompt window is opened navigating to the folder/directory where VLC is located is easiest for using the commandline as only "vlc.exe" or "vlc" (as the .exe part is assumed) needs to entered to run VLC. If VLC is installed in the default location (on a 32-bit system) running:
cd "C:\Program Files\VideoLAN\VLC"
Should change to the directory where vlc.exe is located.

====Unix systems====
On Unix-based system (such as Linux and Mac OS X) a terminal window can be opened. Running "vlc" should be all that is needed to open VLC.

====Transcoding commandline string structure====
A typical commandline string for converting a file to another format is:
vlc --sout "#transcode{[TRANSCODE_OPTIONS]}:std{[OUTPUT_OPTIONS]}" INPUT
Where <tt>INPUT</tt> is the input stream, <tt>[TRANSCODE_OPTIONS]</tt> are the options set for the desired output format, codecs, bitrate etc. and <tt>[OUTPUT_OPTIONS]</tt> are the option set for the output type. <tt>--sout</tt> is the stream output commandline option.

====Example commandline: Converting an audio file to a MP3 file====
An example usage might be converting an audio file to a MP3 file:
vlc --sout "#transcode{acodec=mp3,ab=128,channels=2,samplerate=44100}:std{access=file,mux=raw,dst=OUTPUT}" INPUT
Where INPUT is the input file ans OUTPUT is the destination file (for example "C:\out.mp3" on Windows or "/home/username/out.mp3" on a *nix system).
The above sout string is the default "Audio - MP3" profile setting accessible via the GUI. It will convert an audio input to a 128kbps CBR MP3 file (sample rate 44100Hz, 2 channels).
====Other examples commandline strings====
Convert an audio input to an uncompressed WAVE (*.wav) file:
vlc --sout "#transcode{acodec=s16l,channels=2,samplerate=44100}:std{access=file,mux=wav,dst=OUTPUT}" INPUT
Convert an audio input to an AAC file (MP4 container):
vlc --sout "#transcode{acodec=mp4a,ab=128,channels=2,samplerate=44100}:std{access=file,mux=mp4,dst=OUTPUT}" INPUT

==See also==
*[[Documentation:Streaming HowTo|Streaming HowTo]] - Outdated HowTo for streaming with VLC
*[[Transcode]] - Further information about transcoding with VLC

Documentation:Documentation

2010-04-06T17:30:48Z

Arite: /* VLC Streaming HowTo */ Added link to Streaming HowTo New article

__NOTOC__


{|style="width:100%;margin-top:0px;background-color:#fcfcfc;border:1px solid #ccc"
|style="width:56%;color:#000"|
{|style="width:280px;border:solid 0px;background:none"
|-
|style="width:280px;text-align:center;white-space:nowrap;color:#000" |
<div style="font-size:162%;border:none;margin: 0;padding:.1em;color:#000">Welcome to [[Documentation:Documentation|VideoLAN's Documentation]],</div>
<div style="top:+0.2em;font-size: 95%">The reference documentation on VideoLAN's projects.</div>
<div id="articlecount" style="width:100%;text-align:center;font-size:85%;">Articles under the [http://www.gnu.org/copyleft/gpl.html GNU General Public License] only.</div>
|}
|style="width:11%;font-size:95%;color:#000" valign="top"|
*[[VideoLAN|VideoLAN]]
*[[VLC|VLC media player]]
*[[Documentation:Documentation|Documentation]]
|style="width:14%;font-size:95%" valign="top"|
*[http://www.videolan.org Main Site]
*[http://forum.videolan.org Forum]
*[http://planet.videolan.org News from developers]
|style="width:18%;font-size:95%" valign="top"|
*[http://www.videolan.org/developers/ Developer's website]
*[http://nightlies.videolan.org Latest builds]
*[http://trac.videolan.org Trac, Bugs, SVN and roadmap]
|}


''Pages in the "Documentation" namespace are part of the official VLC media player documentation.''

''All pages in this namespace are licensed under the [http://www.gnu.org/copyleft/gpl.html GNU General Public License].''

'''Note: many parts of this documentation are currently outdated / obsolete. If you have good knowledge of a particular subject and feel that it could be documented better, please update the appropriate wiki page.'''

== [[Documentation:VLC for dummies| VLC for dummies: an introduction to VLC]] ==
This document will be an introduction to VLC from version 0.9.0 and above. '''UNDER CONSTRUCTION'''

== [[Documentation:Play HowTo|VLC Play HowTo]] ==

User documentation for everyone.

*[[Documentation:Play_HowTo/Introduction to VLC|Introduction to VideoLAN and VLC]]
**Overview and history of the VideoLAN project.
*[[Documentation:Play_HowTo/Installing VLC|Installation]]
**Installation instructions for a variety of computers.
*[[Documentation:Play_HowTo/Basic Use|VLC Usage]]
**How to play audio/video materials with the VLC media player. (For versions 0.9 and newer)
*[[Documentation:Play_HowTo/Advanced Use of VLC|Advanced Use]]
**Advanced instruction on streams, filters, plug-ins and more.
*[[Documentation:WebPlugin|Using VLC inside a webpage]]
**How to build webpages that use the VLC Web plugin.

== [[Documentation:Streaming HowTo|VLC Streaming HowTo]] ==

This document explains how to stream, transcode and save streams using the VideoLAN solution. '''OUTDATED'''

'''NOTE: See [[Documentation:Streaming HowTo New|Streaming HowTo New]] for more updated information regarding streaming (WIP).'''

== [[Documentation:Hacker's Guide|The Hacker's Guide to VLC]] ==

This document will detail the inner workings of VLC and its source code. '''UNDER CONSTRUCTION'''

== [[Documentation:Modules|The VLC Modules Index]] ==

This document references most of the VLC modules and their options as well as some example uses. '''UNDER CONSTRUCTION (available content is up to date)'''

{{Documentation}}

Documentation:Streaming HowTo New

2010-04-06T17:27:21Z

Arite: Created page

This documentation explains how to stream, transcode and save streams using [[VLC media player]].

'''NOTE: This is work in progress. For a more complete, yet outdated, documentation on Streaming with VLC please see the old [[Documentation:Streaming HowTo|Streaming HowTo]].'''

==Introduction==
VLC media player is able to stream, transcode and save different media streams. For more information about the formats and codecs supported please see the [http://www.videolan.org/streaming-features.html VideoLAN Streaming Features list].

==Trancoding==
[[Transcode|Trancoding]] is the process of taking a media file or stream and converting it to a different format or bitrate. There are two methods for trancoding in VLC, via the GUI (VLC's default interface) or via the commandline. The term ''transcode'' by itself normally refers to converting one media format to another and saving the output to a file (i.e. no streaming involved).

===Trancoding using the GUI===
One of the methods of transcoding is via the GUI. To access this:
#In VLC, go to "Media >> Convert / Save..." (Ctrl+R).
#Add the input file(s) or stream(s) you want to transcode. Press "Convert / Save".
#In the "Convert" windows specify the destination file name (including file extension - e.g. on Windows "C:\out.mp3").
#Select the desired codec from the profile list. To check/edit the settings of a given profile press the "Edit selected profile" button. Profiles can also be added/deleted.
#Press "Start".
If the profile settings were compatible and transcoding was sucessful a playable destination file should be created.

===Using the commandline===
Another method of transcoding is via the commandline. This is more flexible than via the GUI as it enables full usage of the modules and options available in VLC.

To use the VLC's commandline you need to have access to the commandline interface, for example via a shell.
====Windows-based systems====
On Windows-based system Command Prompt can be used. This can be found in the "Accessories" folder of the Start menu. Alternatively by going to "Start >> Run..." or pressing "Windows key + R", entering "cmd" into the text field and press "OK" or Enter.

Once the Command Prompt window is opened navigating to the folder/directory where VLC is located is easiest for using the commandline as only "vlc.exe" or "vlc" (as the .exe part is assumed) needs to entered to run VLC. If VLC is installed in the default location (on a 32-bit system) running:
cd "C:\Program Files\VideoLAN\VLC"
Should change to the directory where vlc.exe is located.

====Unix systems====
On Unix-based system (such as Linux and Mac OS X) a terminal window can be opened. Running "vlc" should be all that is needed to open VLC.

====Transcoding commandline string structure====
A typical commandline string for converting a file to another format is:
vlc --sout "#transcode{[TRANSCODE_OPTIONS]}:std{[OUTPUT_OPTIONS]}" INPUT
Where <tt>INPUT</tt> is the input stream, <tt>[TRANSCODE_OPTIONS]</tt> are the options set for the desired output format, codecs, bitrate etc. and <tt>[OUTPUT_OPTIONS]</tt> are the option set for the output type. <tt>--sout</tt> is the stream output commandline option.

====Example commandline: Converting an audio file to a MP3 file====
An example usage might be converting an audio file to a MP3 file:
vlc --sout "#transcode{acodec=mp3,ab=128,channels=2,samplerate=44100}:std{access=file,mux=raw,dst=OUTPUT}" INPUT
Where INPUT is the input file ans OUTPUT is the destination file (for example "C:\out.mp3" on Windows or "/home/username/out.mp3" on a *nix system).
The above sout string is the default "Audio - MP3" profile setting accessible via the GUI. It will convert an audio input to a 128kbps CBR MP3 file (sample rate 44100Hz, 2 channels).
====Other examples commandline strings====
Convert an audio input to an uncompressed WAVE (*.wav) file:
vlc --sout "#transcode{acodec=s16l,channels=2,samplerate=44100}:std{access=file,mux=wav,dst=OUTPUT}" INPUT
Convert an audio input to an AAC file (MP4 container):
vlc --sout "#transcode{acodec=mp4a,ab=128,channels=2,samplerate=44100}:std{access=file,mux=mp4,dst=OUTPUT}" INPUT

==See also==
*[[Documentation:Streaming HowTo|Streaming HowTo]] - Outdated HowTo for streaming with VLC
*[[Transcode]] - Further information about transcoding with VL

Open source

2009-03-22T09:31:51Z

Arite:

{{wikipedia|Open source}}
'''Open Source''' is a way to license software. This type of software allows you to:
* Share the software with your friends for free
* View and edit the [[source code]]
* Use the software in your own open source projects
* Modify the software in the way you like it
* Usually, you can download the software from a website for free.

There are normally some conditions about doing these things. These conditions are usually there to protect the developers against being sued for giving you their software, or to stop other people claiming they wrote the code.

{{VLC}} and other [[VideoLAN]] projects are licensed under the [http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)].
This is the most common open source license and is [http://opensource.org/docs/certification_mark.php certified] by the [http://opensource.org/ Open Source Initiative (OSI)].

[[Category:Glossary]] [[Category:Philosophy]]

VideoLAN Wiki:List of templates

2008-11-17T01:31:08Z

Arite: /* Formatting */ Added lowercase Template

== Formatting ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Clear}} || If there are elements (eg wikipedia box) to the left or right of the page, this will place text under those, rather than beside it.
|-
| {{tl|Lowercase}} || If the initial letter of article title should be lowercase (e.g. [[libdvbpsi]]) add this to the top of the article.
|}

== Interwiki links ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Mmwiki}} || Box to [[Multimedia Wiki]]
|-
| {{tl|Website}} || Box to official website
|-
| {{tl|Wikipedia}} || Box to [[Wikipedia:]]
|-
| {{tl|Xiph}} || Box to [[Xiph Wiki]]
|-
| {{tl|Open}} || Marks [[free]] [[open source]] projects
|}

== Links to VLC project ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Doc}} || Link to documentation
|-
| {{tl|Faqlink}} || Link to FAQs
|-
| {{tl|Forum}} || Link to forum thread
|-
| {{tl|File}} || Link to source code
|}

== Maintenance ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Delete}} || Places a page in [[:Category:Delete]] for deletion.
|-
| {{tl|Stub}} || Is a stub. Adds to [[:Category:Stubs]]
|-
| {{tl|Check}} || Adds <sup>[Please check]</sup> and adds to [[:Category:Pages to check]]
|}

== Page type banners ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Documentation}} || Marks as being from the official documentation
|-
| {{tl|Howto}} || Marks as part of the [[how to]] pages
|-
| {{tl|Mux}} || Marks as a [[container]].
|-
| {{tl|Codec audio}} || Marks as an audio codec.
|-
| {{tl|Codec video}} || Marks as a video codec.
|-
| {{tl|Protocol}} || Marks as an access module (http, cdda, etc).
|-
| {{tl|Top box}} || A box with a square and a bit for text, used for {{tl|mux}}, etc.
|-
| {{tl|example code}} || Page is example code
|}

== Yes and no ==
; Test status
{| class="wikitable"
! Name !! Description
|-
| {{tl|Yes}} || {{yes}}
|-
| {{tl|No}} || {{no}}
|-
| {{tl|Ok}} || {{ok}}
|-
| {{tl|Partial}} || {{partial}}
|-
| {{tl|Middle}} || {{middle}}
|-
| {{tl|Untested}} || {{untested}}
|-
| {{tl|Up-to-date}} || {{up-to-date}}
|}

; Needed
{| class="wikitable"
! Name !! Description
|-
| {{tl|Needed}} || {{needed}}
|-
| {{tl|UnNeeded}} || {{unNeeded}}
|}

== Modules ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Module}} || Module info box
|-
| {{tl|Option}} || Module option
|}

== Other ==
{| class="wikitable"
! Name !! Description
|-
| {{tl|Compat}} || Asks for compatability information, eg for hardware.
|-
| {{tl|Tl}} || For templates, does the groovy {{tl|tl}} thing.
|-
| {{tl|Unsupported}} || Not compatible box
|-
| {{tl|VLC}} || Expands to {{VLC}}.
|-
| {{tl|VLC:latest version}} || Expands to VLC latest version. Currently {{VLC:latest version}}
|-
| {{tl|%}} || Expands to {{%}} for use at the start of console stuff
|-
| {{tl|BasedOnRev}} || Link to a diff of a file between a given revision and SVN HEAD.
|-
| {{tl|GPL}} || GPL notice ("Permission is granted to...")
|-
| {{tl|CVE}} || Link to a CVE.
|-
| {{tl|US-CERT}} || Link to a US-CERT Vulnerability Notice.
|-
| {{tl|VideoLAN-SA}} || Link to a VideoLAN Security Advisory.
|}

[[Category:Wiki maintenance]]

WxVLCBackend

2008-11-03T20:17:40Z

Arite: Initial title letter made lowercase

{{Lowercase}}
== Intro ==
Although vlc is moving [[Qt_and_GTK|away]] from wxwidgets this is an attemp to move wxwidgets towards vlc (libvlc to be more precise)..
The libvlc API is fairly new and VERY promissing.. It exports ALL the functionality of vlc into a nice c API .
On the other hand wxWidgets is a very rich [http://www.wxwidgets.org/docs/hierarchy_stable_image.htm] ( and also community based ) growing X platform library. It covers the 3 basic platforms (MSW, LINUX, MAC) and more[http://wiki.wxwidgets.org/Supported_Platforms]..

== wxVLCBacend ==
wxVLCBackend v2 is a wxMediaCtrl backend. The latter is a stub media player in wxWidgets and provides an interface for various kinds of backends (gssteamer, wmp,...).
wxVLCBackend maybe integrated in the official wxwidgets code..
The backend code provides a guide to integrade libvlc in other c/c++ gui frameworks as well. In fact the only TRICKY part was to get a low-level hadle for the drawable surface.

'''Right now''' (29/10/08) The code is not mature enough for publication. There are some stability issues. To correct them i've created a mini (Poc) wxWidgets based app to isolate these issues, wxvlc_test.

==wxvlc_test==
wxvlc_test is a simple wxWidgets based app. It has a textbox where you give a media filename and a play, stop button to control playback. In my tests wxvlc_test '''crashes''' when starting playing ( somewhere inside libavcodec library with no other dubuging symbols ) *some* avis.. On the other hand vlc plays these same files smoothly.

***Tests were done on vlc-0.9.5

My intentions for this publication are :
a) to test the glue code on other systems ( my tests are on '''linux ONLY''' so dont ask me, but windows could be tested too )
b) to check the glue code correctness by a vlc internalls well-knower (maybe i miss something,
cause i cant explain that libavcodec crashes)

Information for wxvlc_test is provided in the README as well

== Temporary:: ==

The packed tar.gz is provided uder base64 here ....... Paste it in a new file (e.g. wxvlc.b64) and decode it (like $base64 -d wxvlc.b64 > wxvlc.tar.gz ).
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-------------------------------------------CUT END------------------------------------------------

WindowsFAQ-0.8.x

2008-09-08T12:46:47Z

Arite: /* Can I change font, font size, style or color? */

This page contains list of common questions and problems that [[Windows]] users have about [[VLC media player]].

==Video output related questions and problems==
===Why does VLC only give black, white or garbled video output?===
Usually the problem lies in display adapter drivers. If you are too scared to update your display adapter drivers you can change VLC settings to make video work. If you are using Windows XP or older the easiest fix is usually to disable '''Overlay video output''' which can be found first opening '''Settings -> Preferences...''' and then choosing '''Video'''. After you have unticked the Overlay video output, press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://koti.mbnet.fi/raiska/tutorials/vlc/11a.png Image about Overlay video output setting]

If disabling Overlay video output doesn't help the next step is to change video output module. Open '''Settings -> Preferences...''' and then choosing '''Video -> Output module''' (remember to tick '''Advanced options''' box). There are multiple output modules you can use. For Windows XP and younger you can try '''DirectX 3D''', '''DirectX''', '''OpenGL''' and '''Windows GDI''' video output modules. With Windows Vista DirectX and Windows GDI output modules will disable Aero so if you want to use Aero, please use DirectX 3D (should be default). Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
[http://koti.mbnet.fi/raiska/tutorials/vlc/11b.png Image about video output modules setting]

===Direct3D video output is a bit blurry===
This is known issue that has been fixed in latest [http://nightlies.videolan.org/ Nightly builds].

===Video shows green, blue or red lines===
See [http://wiki.videolan.org/WindowsFAQ#Why_does_VLC_only_give_black.2C_white_or_garbled_video_output.3F Why does VLC only give black, white or garbled video output?]
===How can I adjust brightness or contrast?===
You can adjust brightness, contrast and other settings via '''Extend GUI'''. Open '''Settings -> Extend GUI''' to adjust these settings. Changes should show up realtime.
====Can I set file specific brightness or contrast?====
Yes, but it isn't that easy. You have to create VLC shortcut or bat file with proper settings. More info can be found from [http://forum.videolan.org/viewtopic.php?f=14&t=46202#p152964 this] thread
==Audio output related questions and problems==
===Crackles, pops, hizzes and other audio anomalies===
If you hear some unwanted audio problems you can try another audio output module to see if that solves the issue. Open '''Settings -> Preferences...''' and then choosing '''Audio -> Output module''' (remember to tick '''Advanced options''' box). There are multiple output modules you can use for audio. '''DirectX''' and '''Win32 waveOut''' should work in most cases. With ASIO only cards, you should try '''PORTAUDIO'''.
===Crackles, pops, hizzes and other audio anomalies with SPDIF passthrough===
SPDIF passthrough of Dolby Digital (AC3) and DTS audiotracks don't work with all soundcards. '''Win32 waveOut''' output module should work better with SPDIF and you can also try latest [http://nightlies.videolan.org/ Nightly builds] with Win32 waveOut.
===I don't hear dialog, conversations etc. while playing 5.1 audio===
Make sure you have select proper speaker setup from Windows audio settings or from soundcard control panel. If you have done so, make sure VLC also has right settings. '''Audio -> Audio Device''' to select proper speaker settings.
===How do I adjust audio delay?===
During playback you can press '''Ctrl + k''' or '''Ctrl + l''' to adjust audio delay (adjust step is 50 ms).

==(Graphical) user interface related questions and problems==
===How can I separate playback controls from playback window?===
Go to '''Settings -> Preferences''' and '''Interface -> Main interfaces -> wxWidgets''' and untick '''Embed video in interface''' selection. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===How can I make skinned interface my default interface?===
Go to '''Settings -> Preferences''' and '''Interface -> Main interfaces''' and from '''Interface module''' dropdown box select '''Skinnable Interface'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===My remote control, media keys or special input device can't control VLC===
Current VLC Hotkeys feature doesn't support special mediakeys so you have to bind keys to regular keyboard keys. Latest [http://nightlies.videolan.org/ Nightly builds] support mediakeys.
====My remote control, media keys or special input device can't control VLC (nightlies)====
Make sure you disable other software that might capture those keys while you set those keys in VLC (for example Winamp may cause issues).

===My VLC Equalizer settings aren't saved when I close VLC===
This is known issue. There isn't any workaround for this in current stable releases.

===Can I jump to certain time?===
With stable builds only option is to use '''--start-time''' from command line when you start VLC. [http://nightlies.videolan.org/ Nightly builds] have new '''Playback -> Go to specific time...''' option in GUI.

===How can I change UI language?===
You can use '''Settings -> Preferences''' and '''Interface''' and select correct language from '''Language''' drop down list. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

Also you can use '''--language=''' from command line if you can't navigate with current language or you want to use batch files/scripts.
for example:
'''vlc --language=en''' to get English. Other options are auto, en, ar, pt_BR, en_GB, ca, zh_TW, cs, da, nl, fi, fr, gl, ka, de, he, hu, it, ja, ko, ms, oc, fa, pl, pt_PT, ro, ru, zh_CN, sr, sk, sl, es, sv, tr

==Codec compatibility related questions and problems==
===How can I identify what codecs the file uses===
With VLC, Open the file you want and open '''View -> Stream and Media Info''' and go to '''Advanced information''' tab.
===VLC doesn't identify used codecs correctly or gives "undf" as codec or I want more information about specs===
There are multiple video and audio identification tools, but one very useful is tool called [http://mediainfo.sourceforge.net/ Mediainfo].
===H.264/MPEG-4 AVC playback is too slow===
You can speed up the H.264/MPEG-4 AVC playback by disabling loop filter for H.264 decoding. To do this go to '''Settings -> Preferences''' and '''Input / Codecs -> Other codecs -> FFmpeg''' (remember to tick '''Advanced options''' box) and in the drop-down box for '''Skip the loop filter for H.264 decoding''' change it to '''All'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
===H.264/MPEG-4 AVC interlaced content crashes VLC (MBAFF and PAFF)===
This is known issue. Current stable VLC versions don't support interlaced H.264/MPEG-4 AVC content. Latest [http://nightlies.videolan.org/ Nightly builds] should support most interlaced H.264/MPEG-4 AVC videos.
===No Real audio or Real video support===
Current stable VLC doesn't play all Real video or audio codecs but support has gotten little better on latest [http://nightlies.videolan.org/ Nightly builds].
===Why can't VLC use CoreAVC, FFDshow, AC3filter, etc. codecs?===
VLC only uses build in codecs so it doesn't support VfW or DirectShow APIs for codecs.
====But you support [[DMO]] (Direct Media Object) module for WMV video and WMA audio====
WMV and WMA are exceptions to this external codec support.
==File and media format compatibility related questions and problems==
===Some DVD movies don't work at all or they crash/freeze to menu or playback===
If you open DVD with '''DVD (menus)''' selection, try just plain '''DVD''' option (aka '''dvdsimple''').

Some new DVD movies use copy protection mechanisms that VLC doesn't support. It might help if you rip that movie to hard drive using tools like DVDFab Decrypter or AnyDVD and use VLC to playback these files from hard drive.

===DVD movies don't playback smooth (they stutter, lag, etc.)===
One thing that might help is increasing the VLC DVD cache. This can be done from '''Settings -> Preferences''' and '''Input / Codecs -> Access Modules -> DVD with menus''' (or '''DVD without menus''' if you use dvdsimple method for playback) (remember to tick '''Advanced options''' box) and increase '''Caching value in MS''' value to for example to 5000 or to 20000. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
===Can I play DVD files (VOB+IFO) from hard drive?===
Yes you can. Use '''File -> Open Disc...''' and instead of DVD drive, point the location to correct folder by using customize field (Nightly build also has '''Browse...''' button). For example: '''dvd://"c:\movies\BLOOD DIAMOND\VIDEO_TS"'''
===FLV (Flash Video) rewind doesn't work===
This is known issue. It should be fixed in latest [http://nightlies.videolan.org/ Nightly builds].
===How do I handle the broken AVI files?===
Some AVI files may give '''The AVI file is broken. Seeking not work correctly.Do you want to try to repair(this might take a long time)''' dialog. Those AVI files have some issues and you can try to fix those file temporarily with VLC or permanently with other tools. If you don't fix those files, seeking won't work correctly and those files may also crash players.
====Can I always perform same repair action?====
Yes you can. This can be done from '''Settings -> Preferences''' and '''Input / Codecs -> Demuxers -> AVI''' and select the wanted action from '''Force index creation''' dropdown box. '''Ask''' is default (it will always ask what you want to do). '''Always fix''' tries to always fix AVI files and '''Never fix''' always starts the playback without fixing. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.
====Can I fix those broken AVI files permanently?====
Yes. You can try for example [http://divfixpp.sourceforge.net/home.htm DivFix++] or [http://www.virtualdub.org/ Virtualdub] for fixing. Virtualdub [http://forum.videolan.org/viewtopic.php?f=14&t=45427&p=143688&hilit=virtualdub#p143688 help].
===Some MP4 or 3GP files don't have audio at all===
If those files have AMR audio (usually ones from mobile phones) they won't work with current stable VLC versios. You can try latest [http://nightlies.videolan.org/ Nightly builds] to see if they work better with AMR audio.
===MP4 and MKV rewind time is equal to system uptime===
This is known issue. It should be fixed in latest [http://nightlies.videolan.org/ Nightly builds].
===Transport stream (TS and M2TS) files or Blu-ray files don't work===
This is known issue. Some MPEG-2 only files work but H.264/MPEG-4 AVC or VC-1 inside guarantees failure.
===No RA, RAM, RMVB support===
Please see [http://wiki.videolan.org/WindowsFAQ#No_Real_audio_or_Real_video_support No Real audio or Real video support].
===I have many MKV files in same folder and that seems to cause issues to VLC===
This is known issue. It should be fixed in latest [http://nightlies.videolan.org/ Nightly builds].
===MOD files from my video camera don't work===
This is known issue. There are currently two workarounds. Either change file extension from .mod to .mpg or remove '''libmod_plugin.dll''' file from '''vlc\plugins''' folder.
====Is it safe to remove libmod_plugin.dll?====
Yes it is. After removing libmod_plugin.dll you can't listen module music formats like MOD, S3M, XM etc. but nowadays most people don't listen those files at all. If you need to get MOD, S3M, XM etc. support back, then just extract libmod_plugin.dll back to '''vlc\plugins''' folder from VLC zip file.

==Subtitles related questions and problems==
===How do I adjust subtitle delay?===
During playback you can press '''Ctrl + h''' or '''Ctrl + j''' to adjust subtitle delay (adjust step is 50 ms).
===How can I select right subtitle track?===
If your video has multiple subtitle tracks, you can select the one you would like to see from '''Video -> Subtitles Track'''.
===Can I disable hardcoded or "burned" subtitles with VLC?===
No.
===Dragging and dropping the subtitles to VLC disables pause===
This is known issue. It will be hopefully fixed in upcoming releases. Only solution is to either open subtitles from '''Use a subtitles file''' when you open file you want to watch or trust to '''Autodetect subtitle files''' and name the subtitles in same as the movie (for example, '''my_movie.avi''' and '''my_movie.srt''').
===SSA and ASS subtitles look horrible and don't support all styles===
This is known issue. Support should be better in latest [http://nightlies.videolan.org/ Nightly builds].
===Can I change font, font size, style or color?===
You can with text-based subtitle formats ([[Subtitles codecs]]). Go to '''Settings -> Preferences''' and '''Video -> Subtitles/OSD -> Text renderer''' (remember to tick '''Advanced options''' box) and adjust anything you want. '''Font size in pixels''' overrides '''Relative font size''' selection. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

===How can I change subtitles text encoding?===
If you see wrong characters on screen or '''failed to convert subtitle encoding''' error message you should try to change '''Subtitles text encoding''' option which can be found from '''Settings -> Preferences''' and '''Input / Codecs -> Other codecs -> Subtitles'''. Remember to press '''Save''' to save VLC settings and restart VLC after that to make sure changes are enabled.

==General problems and issues==
===VLC crashes/freezes/BSODs my computer===
VLC doesn't do that. Normal apps shouldn't be able to cause issues like these to operating systems. Culprit is usually bad device driver (for example display adapter driver, soundcard driver, chipset driver, network adapter driver etc.) or broken hardware.
===How do I reset VLC settings?===
If you can start VLC, go to '''Settings -> Preferences...''' and then press '''Reset All''' and '''Save''' to reset and save VLC settings. Remember to restart VLC after that to make sure changes are enabled.

If you can't start VLC, go to '''%appdata%''' folder and delete '''vlc''' folder from there.
===VLC crashes on startup===
This usually happens because VLC setting files have been corrupted. Resetting VLC settings should fix this.
===I messed up my file associations or I want to modify them===
Check [http://wiki.videolan.org/Windows#How_to_associate_media_files_to_VLC this].
===Can VLC burn CD, DVD, HD DVD or Blu-ray discs?===
No.
===Is VLC legal in all countries?===
Probably not. Specially DeCSS module might violate DMCA (and similar laws) and some codecs would require licenses for personal/commercial use. There haven't been any court cases related to VLC but specially companies should make sure they pay license fees to license holders if they use VLC commercially and use patented formats or codecs.

===Can I run multiple VLC instances?===
Yes you can. [[How_to_play_multiple_instances_of_VLC]]

===Can I start VLC instances synchronously?===
Yes you can. Check this [http://forum.videolan.org/viewtopic.php?f=2&t=46110#p146010 thread (command line)] or this [http://forum.videolan.org/viewtopic.php?f=2&t=39832&start=0&st=0&sk=t&sd=a#p124197 thread (GUI)].

===Latest VLC (0.8.6h) doesn't work with Windows Me/98/98se/95===
This is known issue. You can either use 0.8.6f or take libwxwidgets.dll from 0.8.6f and copy it to 0.8.6h.

----
This space is left blank to make anchoring work correctly.

VLC Dev Projects

2008-08-29T04:14:07Z

Arite: /* Audioscrobbler */

This is a list of small independent improvements to {{VLC}} for which we are looking for interested developers, because we simply don't have enough time.

These do not require advanced knowledge of VLC internals but they can still vastly improve many parts of VLC

For each project, we list a contact person, who knows the subject best and who will be able to assist you if you are interested in working on these. We generally are very often present on irc.videolan.org, chan #videolan, so please don't hesitate to drop by or to send a mail if you are interested in a given problem (our mail adresses are generally <nick>@videolan.org).

'''Be careful, some projects may be unrelated, or deprecated, because of fast evolving software! Ask before !'''

= Easy projects =

These projects are junior projects, the most easy ones to do, that require minimum knowledge of VLC.

We also have a number of "easy" bugs. You can check them out [http://trac.videolan.org/vlc/query?status=new&status=assigned&status=reopened&difficulty=easy&order=priority` here]

== Code Janitorial ==
It basically means to clean the code, it is helpful for all programmers. It helps to find bugs, and is a good way to learn about VLC's internals.

It is covered in the [[Code Janitorial]] section.

if you feel confortable with english language, be sure to have a look to [[QT4StringsReview|the QT4 Strings Review]].

== Video Filters ==
You can do video filters for {{VLC}}.

You can inspire yourself on this
[http://movavi.com/enhancemovie/filters.html list of filters] from a commercial product.

You can start the code [http://git.videolan.org/?p=vlc.git;a=tree;f=modules/video_filter here].

== LastFM radios ==

http://gabistapler.de/blog/index.php?/archives/268-Play-last.fm-streams-without-the-player.html

Talk to dionoea or funman

= Network =

== Performant VLC streaming server ==

There are many bottlenecks currently limiting the performance and scalability of VLC as a streaming server:
* The I/O blocks are linear, which implies lots of avoidable memory copying and dynamic memory allocations (particularly in the streaming output).
* mdate() (the timestamping function) is invoked in too many places to count them; but it is not a cheap operation on modern systems and should be avoided on the fast path. Ideally, a single thread would only need to call mdate() at most once per wake-up. In some case, mdate() is only used for debugging purpose which is really inefficient.
* The HTTP/RTSP core is single-threaded. This prevents scaling to SMP systems (which are the norm on server-side nowadays) properly. This also implies not very scalable I/O event polling. Finally, this gets problematic if one HTTP/RTSP client triggers a computationally intensive operation (such as establishing a TLS context if HTTP/SSL is used).
* There are many dynamic memory allocations that could be avoided. Video filters and codecs are very careful about this, but the stream output plugins are not. In many case, a stack-based buffer can be used (stack buffer, has constant time fast lock-less allocation, and needs not be freed explicitly) instead.
* The messaging subsystems might be adding more locking (needs checking); this should be avoided particularly if the message is anyway ignord (e.g. debug message in non-debug mode).

Other improvements that would be particularly benefitial on the server side:

* Memory allocation failure are not always duly handled. In some cases, that could potentially be leveraged by a client to crash a VLC server by causing a very large allocation attempt.
* Rewrite and revive the root wrapper to allow VLC to bind to the RTSP (554) port while not retaining root privileges.

Contact: [[User:Courmisch|Courmisch]]

= Inputs =

== Windows Media Center (WMC) IR Remote Control ==

Basic Controls work (e.g. Volume, Mute etc), but I would like to get Play/Pause/Stop/DVD Menu etc to work!

Contact: [[User:some1|some1]]

= Video =

== DirectX 9 video output ==

DirectX 9 features some improvements that we could use in our video output

Contact: [[User:Quovodis|Quovodis]]

== Improvements to the X11 video output ==

Fullscreen support to improve .

== Pixel shaders in OpenGL video output ==

It would be nice to have a small proof of concept video output which takes care of chroma conversion using pixel shaders.

Contact: [[User:Dionoea|dionoea]]

= Interfaces =

== Streaming profiles ==

This is a big subject, that has barely started. Interested persons will need to work closely with existing developers to implement this.
Not much information is available yet. The idea is to make streaming very easy, and yet powerful by using parametrable profiles. These could be used either by the graphical interfaces or through HTTP/command line interfaces

Contact: [[User:Zorglub|Zorglub]]

== VLC.app rewrite using the Mac OS X Framework ==

See [[Mac_OS_X_Framework_VLC_app_Rewrite]]

Contact: [[User:Pdherbemont|Pdherbemont]]

= Playlist =

== Improved Podcast support ==

Our current podcast support is very weak. We can read them, but that's all. We need a real infrastructure to handle them correctly. This will require some changes to the playlist code, so you will need to work closely with existing developers.

Contacts: [[User:Dionoea|Dionoea]] [[User:Zorglub|Zorglub]]

== Improved ASX support ==

ASX is a playlist format used by Microsoft stuff. We can read it but we could do much better. More information is available at
https://trac.videolan.org/vlc/ticket/20

Contact: [[User:Dnumgis|Dnumgis]]

== Disc probing ==

We currently have some miscellaneous code to detect discs (DVDs, Audio CDs, ...) but it's a bit scattered and it could be used much better in the playlist.

Contact: [[User:Zorglub|Zorglub]]

== Live folders ==

Some programs support so-called live folders. You add a folder to the playlist, and if the files in the folder are changed, the changes are copied to the playlist.

Having this would of course be great :)

It might require some work to be able to do this in Linux, Windows and OS X, but the current developers will of course be able to help on these.

Contacts: [[User:Zorglub|Zorglub]] [[User:The DJ|The DJ]]

=== Hint MP4/MOV Files ===

Add video and audio hint tracks as the output file is muxed. Resulting files can be streamed from RTSP server with trickplay, like DSS/QTSS. Probably requires use of GPAC libraries.

= Projects running =

== Subtitles improvements ==
{{VLC}} does not support all the styles for a lot of subtitles type.
Take a look at [http://trac.videolan.org/vlc/browser/trunk/modules/codec/subtitles/subsdec.c here] to start coding.

Contact bitmap

= Finished projects =

==Audioscrobbler==

An [http://www.audioscrobbler.net/ Audioscrobbler] VLC Plug-in for the social music network [http://www.last.fm Last.Fm]<br />

Plugin is finished, now part of vlc 0.9.0 (development version). Done by [[User:funman|funman]]

== DVB support for Windows / BDA Drivers ==

DVB is the norm for :
* Digital Terrestrial TV (aka DVB-T)
* Digital Cable TV (aka DVB-C)
* Digital Satellite TV (aka DVB-S)

Several DVB input cards exist. We support these on Linux, but not on Windows. For Windows, we need to support so-called BDA drivers.

The problem is that we don't have both the time and the required hardware on Windows comps.

This project is probably not terribly complex, but you need the hardware.

Plugin is done and availabe in the current Git version. Code by kenS

== DBus Integration ==

[[DBus]] is a communication mechanism for Linux (mainly).

We would like VLC to be able to use it so that other programs can interact with vlc (start/stop, know what is being played, ...)

Work is well advanced, see [[DBus]], by funman and Mr_Mirsal

Contact: [[User:Xtophe|Xtophe]], [[User:funman|funman]]

== V4L2 support ==

VLC currently has a pvr module and a v4l (video for linux) module.
However
* some cards are only supported in the new v4l2 API
* The linux kernel will soon drop v4l support

So if someone could update VLC's current modules to work with V4L2 and the new ivtv api, this would be a welcome addition.
This is not a very difficult project, but you will need to have the hardware to test against.
The code has been began, so it should not be too difficult.

Plugin is done and available in the current Git version. Code by Richard Hosking, [[User:dionoea|dionoea]] and Dennis Lou.

== RTCP support ==

Our RTSP implementation (for broadcasting and video on demand) does not support the RTCP protocol. This is a must to have a real support for RTSP.
Some work has already been started, but there is still much to do.

Contact: [[User:JPSaman|JPSaman]]

[[Category:Coding]] [[Category:Activities]]

Template:File

2008-05-29T11:44:51Z

Arite: trunk is now located in root

* [http://trac.videolan.org/vlc/browser/{{{1}}} {{{1}}}] {{#if:{{{2|}}}|({{{2}}})}}
<noinclude>
For linking to source code file. Links to trac.

Usage:
<nowiki>{{file|name|info}}</nowiki>

eg
{{file|modules/mux/dummy.c|Dummy muxer}}
<nowiki>{{file|modules/mux/dummy.c|Dummy muxer}}</nowiki>
{{file|modules/mux/avi.c}}
<nowiki>{{file|modules/mux/avi.c}}</nowiki>
</noinclude>

VideoLAN projects

2008-05-14T20:30:25Z

Arite: /* Libraries */ libdca link

== VideoLAN projects ==
=== Active projects ===

Here is a short list of the main [[VideoLAN projects|projects]] hosted by the VideoLAN project:

* [[VLC media player]], the core and main program, is a complete video solution that is a player, a live transcoder and a streamer.
* [[Starter for VLC media player]]. This small program allows to start VLC media player for audio/video streaming.
* [[MiniSAPServer]] is a SAP server.
* [[x264]], a free H264 / AVC encoder.

=== Libraries ===
* [[libdvdcss]], a C library to access DVDs without having to bother about the decryption.
* [[libdvbpsi]], a C library to decode and generate MPEG TS and DVB PSI tables.
* [http://en.wikipedia.org/wiki/Libdca libdca], a DTS Coherent Acoustics decoder.

=== Deprecated, old projects and libraries ===
* [[VLS]] is a streaming server, used for professional streaming solutions. The {{VLC}} can now do the same. Please use the VLC media player.
* ''VLCS'', the mini VideoLAN Channel Server, can tell the client what is the multicast address associated to a channel.
* ''VLMS'', the VideoLAN Mini Server.

* [http://www.videolan.org/developers/libdvdplay.html libdvdplay], is a simple library designed for DVD navigation. It depends on libdvdread (which can optionally use libdvdcss). Use libdvdnav.

== SVN Hosted by VideoLAN projects ==
* [http://liba52.sourceforge.net/ liba52]
* [http://libmpeg2.sourceforge.net/ libmpeg2]

== See also ==
* '''See also [[:Category:VideoLAN projects]]'''

[[Category:About VideoLAN]] [[Category:VideoLAN projects]]

Contrib Status

2008-02-27T23:03:19Z

Arite: /* Codecs */

This page lists the libraries needed to have a fully featured {{VLC}}. <br />
The additional information in the table refers to the VLC contrib build system (located in extras/contrib). These versions are against the trunk version.

For information on how to compile {{VLC}} on your platform see the [[Developers_Corner|Build VLC media player]] box on the Developer Corner's page.

=== Codecs ===

{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Where ? !! Comment
|-
! libvorbis
|| 1.2.0 || 1.2.0 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.xiph.org/downloads/ Xiph.org] ||
|-
! libogg
|| 1.1.3 || 1.1.3 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || [http://www.xiph.org/downloads/ Xiph.org]||
|-
! libtheora
|| 1.0beta2 || 1.0beta2 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.xiph.org/downloads/ Xiph.org] ||
|-
! speex
|| 1.2beta2 || 1.2beta3 || {{untested}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.speex.org/downloads/ Speex.org]||
|-
! flac
|| 1.2.1 || 1.2.1 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://flac.sourceforge.net/ flac.sf] ||
|-
! x264
|| svn || svn || {{up-to-date}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} ||{{unNeeded}} || SVN ||
|-
! a52
|| 0.7.4 || 0.7.4 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} ||{{unNeeded}} || [http://liba52.sf.net liba52.sf] || Not likely to be updated
|-
! MPEG2DEC
|| 0.4.1 || 0.4.1 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} ||{{unNeeded}} || [http://libmpeg2.sf.net libmpeg2.sf] || Not likely to be updated
|-
! faad2
|| 2.6.1 || 2.6.1 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || [http://www.audiocoding.com/faad2.html audiocoding] ||
|-
! faac
|| 1.26 || 1.26 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.audiocoding.com/faac.html audiocoding] ||
|-
! lame
|| 3.97 || 3.97 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://sourceforge.net/project/showfiles.php?group_id=290&package_id=309 sf.net] ||Not likely to be updated
|-
! FFmpeg
|| SVN || SVN || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || SVN ||
|-
! libmad
|| 0.15.1b || 0.15.1b || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://sourceforge.net/project/showfiles.php?group_id=12349&package_id=86999 SF] ||
|-
! dirac
|| 0.9.0 || 0.9.0 || {{up-to-date}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://dirac.sourceforge.net dirac.sf] ||
|-
! libdca
|| SVN || SVN || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || SVN ||
|-
! twolame
|| 0.3.12 || 0.3.12 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.twolame.org/ twolame.org] ||
|-
! libmpcdec
|| 1.2.6 || 1.2.6 || {{Up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.musepack.net/index.php?pg=src musepack] ||
|-
! Tremor
|| SVN || SVN || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || SVN ||
|-
|}

=== Muxers ===
{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Where !! Comment
|-
! libebml
|| 0.7.7 || 0.7.7 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.matroska.org/downloads/linux.html matroska.org] ||
|-
! libmatroska
|| 0.8.1 || 0.8.1 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.matroska.org/downloads/linux.html matroska.org] ||
|-
! libdvbpsi
|| 0.1.6 || 0.1.6 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || [http://www.videolan.org/developers/libdvbpsi.html libdvbpsi] ||
|-
|}

=== Access ===

{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Where ? !! Comment
|-
! shout
|| 2.2.2 || 2.2.2 || {{up-to-date}} || {{Needed}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://downloads.us.xiph.org/releases/libshout/ xiph.org] ||
|-
! libdvdcss
|| 1.2.9 || 1.2.9 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://download.videolan.org/pub/libdvdcss/?C=N;O=D libdvdcss on v.o] ||
|-
! libdvdnav
|| CVS || CVS || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://dvd.sourceforge.net/] ||
|-
! livedotcom
|| latest trunk || latest trunk || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.live555.com/mediaServer/#downloading live555]||
|-
! libcddb
|| 1.3.0 || 1.3.0 || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://libcddb.sourceforge.net/download.html libcddb.sf.net] ||
|-
! libcdio
|| 0.79 || 0.79 || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://ftp.gnu.org/gnu/libcdio/?M=D gnu.org] ||
|-
! VCDimager
|| 0.7.23 || 0.7.23 || {{Up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://www.vcdimager.org/pub/vcdimager/vcdimager-0.7/ vcdimager] ||
|-
! libgpg-error
|| 1.6 || 1.6 || {{Up-to-date}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://ftp.gnupg.org/gcrypt/libgpg-error/ gnupg.org] ||
|-
! libgcrypt
|| 1.2.3 || 1.4.0 || {{untested}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [ftp://ftp.gnupg.org/gcrypt/libgcrypt/ gnupg.org] || Does not seem to compile on MingW32
|-
! gnuTLS
|| 1.6.3 || 2.2.1 || {{untested}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.gnu.org/software/gnutls/news.html gnu.org] ||
|-
! Opendaap
|| 0.4.0 || 0.4.0 || {{Up-to-date}}||{{unNeeded}} ||{{unNeeded}} ||{{Needed}} ||{{unNeeded}} || {{unNeeded}} || ||
|-
! libxml2
|| 2.6.31 || 2.6.31 || {{Up-to-date}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || [ftp://xmlsoft.org/libxml2/ xmlsoft ftp] ||
|-
|}

=== Images ===
{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Where !! Comment
|-
! libpng
|| 1.2.23 || 1.2.24 || {{untested}} ||{{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.libpng.org/pub/png/libpng.html libpng.org]
|-
! libjpeg
|| 6b || 6b || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://www.ijg.org/files/ ijg.org] || Rare updates
|-
! libtiff
|| 3.8.2 || 3.8.2 || {{up-to-date}} ||{{Needed}} || {{unNeeded}}|| {{Needed}}|| {{unNeeded}}|| {{unNeeded}}|| [ftp://ftp.remotesensing.org/pub/libtiff/ Main libtiff ftp] || Rare updates
|-
! SDL
|| 1.2.13 || 1.2.13 || {{up-to-date}} || {{Needed}} || {{unNeeded}}|| {{Needed}}|| {{unNeeded}}|| {{unNeeded}}|| [http://www.libsdl.org/download-1.2.php libdsl.org] ||
|-
! SDL_image
|| 1.2.6 || 1.2.6 || {{up-to-date}} || {{Needed}} || {{unNeeded}}|| {{Needed}}|| {{unNeeded}}|| {{unNeeded}}|| [http://www.libsdl.org/projects/SDL_image/ libdsl.org] ||
|-
|}

=== Tools ===
{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Where ! || Comment
|-
! Autoconf
| 2.61 || 2.61 || {{up-to-date}} || {{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://ftp.gnu.org/gnu/autoconf/?M=D Gnu(slow)] ||
|-
! automake
| 1.9.6 || 1.10.1 || {{untested}} || {{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://ftp.gnu.org/gnu/automake/?M=D Gnu(slow)] ||
|-
! Pkgconfig
| 0.20.0 || 0.23 || {{untested}} ||{{unNeeded}} || {{unNeeded}}|| {{Needed}}|| {{unNeeded}}|| {{unNeeded}} || [http://pkgconfig.freedesktop.org/wiki/ fd.org] || Don't update [http://trac.videolan.org/vlc/changeset/17486 Rev.17486]
|-
! Perl
| 5.8.8 || 5.10.0 || {{untested}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || [http://www.perl.org Perl] ||
|-
! libtool
| 1.5.24 || 1.5.26 || {{untested}} || {{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || [http://www.gnu.org/software/libtool/ GNU-libtool] || Not tested yet and not usefull.
|-
! libiconv
| 1.9.2 || 1.12 || {{untested}} || {{Needed}} || {{Needed}} || {{unNeeded}}|| {{Needed}} || {{unNeeded}} || [http://www.gnu.org/software/libiconv/#downloading Gnu] || Not tested yet and not usefull.
|-
! gettext
|| 0.16.1 || 0.17 || {{untested}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://ftp.gnu.org/gnu/gettext/ Gnu(slow)] ||
|-
! freetype2
|| 2.3.5 || 2.3.5 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://freetype.org/index2.html freetype.org] ||
|-
! fribidi
|| 0.10.9 || 0.10.9 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} || [http://fribidi.org/wiki/ fribidi.org] ||
|-
! libunicows
|| 1.1.1 || 1.1.1 || {{up-to-date}} ||{{Needed}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || [http://libunicows.sourceforge.net/ libunicows] ||
|-
! zlib
|| 1.2.3 || 1.2.3 || {{Up-to-date}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{Needed}} || [http://www.zlib.net/ zlib] ||
|-
|}

=== Others ===
{| class="wikitable" style="font-size: smaller; text-align: center; width: 100%; margin: 1em auto 1em auto; border : 1px"
|+ '''Contrib Status'''
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Comment
|-
!libid3tag
|| 0.15.1b || 0.15.1b || {{up-to-date}} || {{Needed}} || {{Needed}} || {{Needed}} || {{Needed}} || {{unNeeded}} ||
|-
!taglib
|| 1.4 || 1.4 || {{up-to-date}} || {{Needed}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} ||http://developer.kde.org/~wheeler/taglib.html
|-
! goom2k4
|| 2k4-0 || 2k4-0 || {{up-to-date}} || {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} ||
|-
! libcaca
|| 0.9 || 0.9 || {{up-to-date}}|| {{Needed}} ||{{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} || 0.99-beta2 is not a release version ?
|-
! libmodplug
|| 0.8 || 0.8 || {{up-to-date}} || {{Needed}} || {{unNeeded}} || {{Needed}} || {{Needed}} || {{unNeeded}} ||
|-
! glib
|| 1.2.10 || 1.2.10 || {{Up-to-date}}||{{unNeeded}} ||{{unNeeded}} ||{{Needed}} ||{{unNeeded}} || {{unNeeded}} ||v. gtk 1.2+
|-
! libidl
|| 0.6.8 || 0.8.6 || {{Up-to-date}} ||{{unNeeded}} ||{{unNeeded}}||{{Needed}} ||{{unNeeded}} || {{unNeeded}} || ''Not up-to-date, but We don't need about new versions'', since we don't really build it. Mirror has changed. It is now on gnome site
|-
! glib-win32
|| 19990228 ~ 1.2.0 || 1.2.10 || {{Up-to-date}} || {{Needed}} ||{{unNeeded}} ||{{unNeeded}} ||{{unNeeded}} || {{unNeeded}} || ''Not up-to-date, but We don't need about new versions'', since we don't really build it.
|-
! libidl-win32
|| 0.6.3 || 0.8.6 || {{Up-to-date}} ||{{Needed}} ||{{unNeeded}} ||{{unNeeded}} ||{{unNeeded}} || {{unNeeded}} || ''Not up-to-date, but We don't need about new versions'', since we don't really build it. Mirror has changed. It is now on gnome site
|-
! gecko
|| 1.7.5 || 1.8b1 || {{Up-to-date}} ||{{unNeeded}} ||{{unNeeded}} ||{{Needed}} ||{{unNeeded}} || {{unNeeded}} ||''Not up-to-date, but We don't need about new versions'', since we don't really build it.
|-
! gecko-win32
|| 1.8b1 || 1.8b1 || {{Up-to-date}} || {{Needed}} ||{{unNeeded}} ||{{unNeeded}} ||{{unNeeded}} || {{unNeeded}} ||''Not up-to-date, but We don't need about new versions'', since we don't really build it.
|-
! wxWidgets
|| 2.6.3 || 2.6.3 || {{Up-to-date}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} ||
|-
! Qt
|| 4.2.3 || 4.2.3|| {{up-to-date}} || {{Needed}} || {{unNeeded}} || {{unNeeded}} || {{Needed}} || {{unNeeded}} ||
|-
! portaudio
|| 19 || 19 || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} ||Commented for Win32
|-
! Clinkcc
|| 171 || 171 || {{up-to-date}}|| {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || Commented for MacOSX
|-
! Upnp
|| 1.3.1 || 1.3.1 || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || Commented
|-
! expat
|| 2.0.0 || 2.0.1 || {{untested}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} ||Commented for MacOSX
|-
! NASM
|| Cvs 2006-01 || CVS || {{up-to-date}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || {{unNeeded}} || For MacTels. Need to update cvs ???
|-
! Contrib lib !! VLC version !! Most recent version !! Compile !! Win32 !! BeOS !! MacOSX !! *Nix !! WinCE !! Comment
|}

[[Category:Coding]] [[Category:Building]] [[Category:Libraries]]

Qt Interface

2008-02-15T02:38:54Z

Arite: /* Extended Dialog */

== Introduction ==

Qt / Qt4 is the default, plain, graphical, [[interface]] to VLC, made using the [http://www.trolltech.org/qt Qt] library (linux users may need to have this installed). It is used as the default interface on the [[Windows]] and [[Linux]] versions of {{VLC}} from version 0.9.0 and up.

Unless you change the [[preferences]], {{VLC}} > 0.9.0 will start up in the Qt4 interface, but you can force this by running
vlc '''-I qt'''
or
qvlc

If Qt4 is not avaliable, it will probably revert to using the [[Console|rc]] (console) interface, even if you force it. The most likely reason for this is if Qt4 hasn't been installed, or if it wasn't linked in (using the ./configure). See [[compiling VLC]] [http://developers.videolan.org/vlc/] for information on compiling.

== Using ==

=== Launching Modes ===

=== Video Modes ===

=== Other options ===

== Main interface Description ==

=== Menu Bar ===

=== Status Bar ===

The Status Bar has three distinctive portions displaying information.
* Name label
* Speed label
* Time label

Here are the actions you can do on the status bar:

{| class="wikitable" style="text-align:center"
!
! Select !! Left Click !! Right Click !! Middle Click !! Double Click
|-
! Name label
|| Prepare for copy || Give focus for arrows selection || Copy menu || - || Word selection
|-
! Speed label
|| - || - || Show fine rate speed adjusting || - || reset to normal 1.00x speed
|-
! Time label
|| - || Switch remaining/elasped time || Switch remaining/elasped time || Switch remaining/elasped time || Open the "Go To Time" dialog

|}

==== Time label ====
The timeLabel shows mm:ss/nn:tt in the statusBar.

If the time is longer that one hour, it shows hh:mm:ss/ii:nn:tt.

If you click on it, it shows remaining time instead of elapsed time.
If you double click on it, it opens the open the GOTOTime dialog in order to skip easily.

If vlc doesn't know the total time, like in avi/http, it shows the elapsed time only, and --:-- instead of total time.

=== System Tray Icon ===

=== Controller ===

==== Main Slider ====

The main slider does control the timeline.

When you click somewhere on the timeline, it skips the movie to that place.
When you drag the slider of the timeline, it follows the position on the movie.

When you hover it with your mouse, it shows you where it would go if you click.

==== Sound Slider ====

The sound slider does control the volume.

When you click somewhere on the soundSlider, it changes the volume.
When you click and drag on the soundSlider, it changes the volume too. If you release the click really outside of the volume slider, it will reset to your old value

When you hover it with your mouse, it shows you the volume it would be if you click it.

==== Sound range ====
The sound goes from 0% to 200% and can go up to 400%

100% means normal output of the file without amplification.
Above 100% means that it may use software amplification, and it could distort sound (it usually doesn't, but it could).

=== Video Widget ===

=== Background Widget ===

== Playlist ==

== Dialogs description ==

=== Open Dialog ===

=== Sout Dialog ===

=== Extended Dialog ===
The Extended settings dialog box can be brought up by selected the ''Ex'' button on the main window. Alternatively it can be found in ''Tools'' menu under ''Extended settings...'' (Ctrl+E). The extended settings allow effects to be enabled and adjusted in realtime whilst media is playing.
==== Audio Effects ====
===== Graphic Equalizer =====
The Graphic equalizer enables the equalization of the sound output to be enabled and adjusted. Tick the ''Enable'' tickbox to enable it. Ticking the ''2 pass'' will mean the sound is reprocessed through the equalizer again, thus amplifying the changes. Slide the sliders to adjust the output levels for the preamp and each frequency range. There are a number of presets which can be selected from the drop-down box.
===== Spatializer =====
The Spatializer contain several adjustable audio filters to change the perceived environment such as room size and humidity. Tick the ''Enable spatializer'' tickbox to enable and adjust the sliders.
==== Video Effects ====
===== Basic =====
===== Color fun =====
===== Some random name =====
===== Image modification =====
===== Find a name =====
===== Overlay =====
===== Advanced video filter controls =====
A colon separated list will be generated when filters and effects in the other video tabs are enabled. The list of effect can be modified. Press the ''Update'' button to apply the changes.

=== VLM Dialog ===

== Interface Hotkeys ==

[[QtHotkeys | Qt Interface Hotkeys]]

== Work ==
[[QtIntfTODO]]

[[Category:Interfaces]]

Qt Interface

2008-02-15T02:37:38Z

Arite: /* Extended Dialog */ Expanded

== Introduction ==

Qt / Qt4 is the default, plain, graphical, [[interface]] to VLC, made using the [http://www.trolltech.org/qt Qt] library (linux users may need to have this installed). It is used as the default interface on the [[Windows]] and [[Linux]] versions of {{VLC}} from version 0.9.0 and up.

Unless you change the [[preferences]], {{VLC}} > 0.9.0 will start up in the Qt4 interface, but you can force this by running
vlc '''-I qt'''
or
qvlc

If Qt4 is not avaliable, it will probably revert to using the [[Console|rc]] (console) interface, even if you force it. The most likely reason for this is if Qt4 hasn't been installed, or if it wasn't linked in (using the ./configure). See [[compiling VLC]] [http://developers.videolan.org/vlc/] for information on compiling.

== Using ==

=== Launching Modes ===

=== Video Modes ===

=== Other options ===

== Main interface Description ==

=== Menu Bar ===

=== Status Bar ===

The Status Bar has three distinctive portions displaying information.
* Name label
* Speed label
* Time label

Here are the actions you can do on the status bar:

{| class="wikitable" style="text-align:center"
!
! Select !! Left Click !! Right Click !! Middle Click !! Double Click
|-
! Name label
|| Prepare for copy || Give focus for arrows selection || Copy menu || - || Word selection
|-
! Speed label
|| - || - || Show fine rate speed adjusting || - || reset to normal 1.00x speed
|-
! Time label
|| - || Switch remaining/elasped time || Switch remaining/elasped time || Switch remaining/elasped time || Open the "Go To Time" dialog

|}

==== Time label ====
The timeLabel shows mm:ss/nn:tt in the statusBar.

If the time is longer that one hour, it shows hh:mm:ss/ii:nn:tt.

If you click on it, it shows remaining time instead of elapsed time.
If you double click on it, it opens the open the GOTOTime dialog in order to skip easily.

If vlc doesn't know the total time, like in avi/http, it shows the elapsed time only, and --:-- instead of total time.

=== System Tray Icon ===

=== Controller ===

==== Main Slider ====

The main slider does control the timeline.

When you click somewhere on the timeline, it skips the movie to that place.
When you drag the slider of the timeline, it follows the position on the movie.

When you hover it with your mouse, it shows you where it would go if you click.

==== Sound Slider ====

The sound slider does control the volume.

When you click somewhere on the soundSlider, it changes the volume.
When you click and drag on the soundSlider, it changes the volume too. If you release the click really outside of the volume slider, it will reset to your old value

When you hover it with your mouse, it shows you the volume it would be if you click it.

==== Sound range ====
The sound goes from 0% to 200% and can go up to 400%

100% means normal output of the file without amplification.
Above 100% means that it may use software amplification, and it could distort sound (it usually doesn't, but it could).

=== Video Widget ===

=== Background Widget ===

== Playlist ==

== Dialogs description ==

=== Open Dialog ===

=== Sout Dialog ===

=== Extended Dialog ===
The Extended settings dialog box can be brought up by selected the "Ex" button on the main window. Alternatively it can be found in ''Tools'' menu under ''Extended settings...'' (Ctrl+E). The extended settings allow effects to be enabled and adjusted in realtime whilst media is playing.
==== Audio Effects ====
===== Graphic Equalizer =====
The Graphic equalizer enables the equalization of the sound output to be enabled and adjusted. Tick the ''Enable'' tickbox to enable it. Ticking the ''2 pass'' will mean the sound is reprocessed through the equalizer again, thus amplifying the changes. Slide the sliders to adjust the output levels for the preamp and each frequency range. There are a number of presets which can be selected from the drop-down box.
===== Spatializer =====
The Spatializer contain several adjustable audio filters to change the perceived environment such as room size and humidity. Tick the ''Enable spatializer'' tickbox to enable and adjust the sliders.
==== Video Effects ====
===== Basic =====
===== Color fun =====
===== Some random name =====
===== Image modification =====
===== Find a name =====
===== Overlay =====
===== Advanced video filter controls =====
A colon separated list will be generated when filters and effects in the other video tabs are enabled. The list of effect can be modified. Press the ''Update'' button to apply the changes.

=== VLM Dialog ===

== Interface Hotkeys ==

[[QtHotkeys | Qt Interface Hotkeys]]

== Work ==
[[QtIntfTODO]]

[[Category:Interfaces]]

LibVLC

2008-01-09T08:31:37Z

Arite: Made initial title character lowcase

{{Lowercase}}
You can embed libVLC into your application to gain audio/video playing features.

== Tutorials ==
Here are three different tutorials on libVLC:
* [[LibVLC_Visual_C++| Visual C++ Tutorial]] '' (uses "old" legacy API) ''
* [[LibVLC_Tutorial_086c| Tutorial for version 0.8.6c]]
* [[LibVLC_Tutorial|Tutorial for trunk version]]

== Sample Code ==
* [[LibVLC_SampleCode_Thumbnailer|Generate thumbnails using LibVLC]]

== Documentation ==
* The documentation on the external API is here: [[ExternalAPI]]
This applies to current trunk version:
* On Mac OS X there you can use libvlc through some Objective-C class using the [[Mac OS X Framework]].
* [[LibVLC_Memory_Management| LibVLC Memory Management]] explained. It covers the basics on the _new(), _retain(), _release().
* [[LibVLC_Media_List_Management| LibVLC Media List Management]] explained. It covers the basics on how to set up a list of media or a playlist.

Libdvbpsi

2007-12-30T02:23:43Z

Arite: Made initial title character lowcase

{{Lowercase}}
The libdvbpsi is part of the VideoLAN project.

The libdvbpsi is a library so it can also be used with extra
programs that need DVB and PSI decoders and generators.

libdvbpsi makes [[VLC media player]] or other projects capable of demultiplexing a satellite
DVB stream. The library aims at making it easy to decode PSI tables
(such as PAT, PMT etc.) present in a TS/DVB stream.
[[Category:Libraries]] [[Category:VideoLAN projects]]

X264

2007-12-30T02:22:55Z

Arite: Made initial title character lowcase

{{Lowercase}}
== Description ==

'''x264''' is a free software library for encoding H.264/MPEG-4 AVC video streams.
The code is written by Loren Merritt, Laurent Aimar, Eric Petit, Min Chen, Justin Clay, Måns Rullgård, Radek Czyz, Alex Izvorski, Alex Wright, and Christian Heine from scratch.

x264 has a strong user community based at [http://www.Doom9.org Doom9] where discussions for improved development take place.

== Developers ==
[http://developers.videolan.org/x264.html x264 page]

== Demos ==
[http://lives.rm.org/demos/flyingskunk.mkv flyingskunk.mkv] demo encoded with x264/vorbis/matroska - (96 MB, 640x480, 25 fps, 6 minutes), created using [http://lives.sourceforge.net LiVES]

{{stub}}
[[Category:VideoLAN projects]]

IPod Video Conversion Guide

2007-12-29T01:59:00Z

Arite: Made initial title character lowcase

{{lowercase|title=iPod}}
{{howto|Make your Video Files playable on an iPod}}

To play on this device, the file you copy to it needs to be of the correct format. This format is summarized below:
{|
| Video Codec
| '''mp4v''' ([[MPEG4]])
|-
| Audio Codec
| '''mp4a''' ([[MP4 audio]]), '''aac''' ([[AAC]])
|-
| [[Container]]
| '''mp4''' ([[MPEG-4|MPEG4/MOV]])
|-
| Size
| 320x240
|}

= iPod Video Conversion Guide =

This howto has been tested for {{VLC}} 0.8.6 or later.

<p>Written by loqu (AKA Rob), http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html</p>

<p>The following is a guide for converting (transcoding to file) any video that VLC Media Player (VLC) can play into a format that the Apple iPod can play. This should be "fool proof." This guide does not cover the process of putting those files onto an iPod. I've tested this guide on many containers, with and without subtitles. This is an evolving guide, so please refer to http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html for the original.</p>
<p>Before I begin I'd like to thank the good people over at http://www.videolan.org for making a great multi-platform media program. I decided to make this guide, because I had to invest much of my time to get this to work. This is my way of giving back to the community.</p>

<h2>Why Use VLC to Convert Video for the iPod?</h2>
<p>If you're looking for the absolute highest quality in video conversion, then do NOT use VLC to convert Video for the iPod. There are many, probably too many, programs already available.</p>
<p>I prefer to use VLC to convert to iPod video, because I know that if VLC can play the file, then VLC can convert it for my iPod. I can also use VLC in a script, which means I can tie it into my intranet, run conversions automatically, and/or keep "profiles" (by using scripts) for each video format that I'd like to convert. In addition, converting to iPod video with VLC is very quick, because the encoder is only doing one pass. This means that VLC is not just good for converting to iPod video, but it is also good for converting to any type of video, where I need versatility and speed.</p>
<p>If considering the disk space on an iPod and the battery life, I think it is unnecessary to worry about file size/quality. Whereas a person can store their entire music library on an iPod, a person will not be able to store their entire video library on an iPod. At some point, that person will need to come home, dock the iPod, and transfer files. It is more likely that a movie, a music video, or at most a complete television series will be stored on the iPod.</p>

<h2>Converting a Video with the Graphical User Interface</h2>

<div class='step'>
<p>Open VLC. Please be sure you are using the default settings for VLC. Please be especially sure that you do not have "repeat" set, as you will infinitely overwrite your transcoded file.</p>
</div>
<div class='step'>
<p>http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html_files/b8f63409-cb02-11db-8d2f-e8beb4eeadb9.png</p>
<p>Click "File" then "Open File", which will bring up the Open dialog.</p>
</div>
<div class='step'>
<p>http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html_files/2afeac56-cb03-11db-8d30-e8beb4eeadb9.png"</p>

<p>Be sure that you are on the File tab. Click Browse and select the file that you would like to convert. Now check the Stream/Save box and click the Settings ... button. This will open the Stream Output dialog. This is where the magic happens.</p>
</div>
<div class='step'>
<p>http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html_files/8f7744fe-cb03-11db-8d31-e8beb4eeadb9.png</p>
<ol>
<li>Notice that when you first open the dialog (if you haven't already tried to stream/save a file in this session) the Stream output MRL box at the top is empty. As you make your selections in the rest of this window, that box will fill up with your options in a form that the VLC executable understands.</li>
<li>First, check the File box, then click the Browse... button to the right. Now choose the name of the file that will be created during the conversion. Be sure to change the extension to "mp4".</li>
<li>Now choose the Encapsulation method. This is also known as the "container". Select MP4.</li>

<li> Go to Transcoding options next and check Video codec. Change the box to it's immediate right to mp4v or h264. The next box to the right changes the bitrate of the video. I recommend 768 kb/s. Note - for higher quality and only a slight increase in file size, use 1024. This will make watching the video tolerable if you use the ipod AV cable and a TV</li>
<li> Still in the Transcoding options area, check the Audio codec box, and change the box to it's immediate right to mp4a. The next box to the right changes the audio bitrate. I recommend 64 kb/s or 96 kb/s. Note - For higher quality (and not terrible file size) use 128. If you output the file over decent speakers or if the movie has a complex soundtrack, this will make a noticeable difference. </li>
</ol>
</div>
<div class='step'>
<p>http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html_files/cea16d6e-cb06-11db-8d4f-e8beb4eeadb9.png</p>
<p>So far, everything is fairly standard, but here comes the tricky part. Go back up to the "Stream output MRL Target:" box. Notice that the box is full of text. Look for the part that has #transcode{ }, and type <strong>width=320,canvas-height=240</strong> somewhere inside the { }. Do not add extra spaces. This setting changes the width to 320 pixels and adds black bars above and below the movie, allowing all movies to maintain the appearance of their original aspect ratio. <strong>Be careful</strong> here. If you change any of the settings below this box, you will have to re-enter the width and height settings.</p>

</div>
<div class='step'>
<p>Click OK to close the Stream ouput dialog, then click OK to close the File open dialog. The movie should now start playing without showing the picture on the screen. When it is complete you should have an iPod compatible file.</p>
</div>

<h2>Converting a Video through the Command-line</h2>
<p>Conversion via the command-line is a little beyond the scope of this document, but using VLC in a script is my favorite way to convert videos. This generally allows me the leisure of dragging the file onto the script and magically getting my new iPod file in a certain directory. </p>
<p>Generally speaking, the format of the command can be:</p>

<div class='code'>vlc -vvv "my video.avi" :sout="#transcode{width=320,canvas-height=240,vcodec=mp4v, vb=768, acodec=mp4a, ab=96, channels=2}:std{access=file, mux=mp4, url=myvideo.mp4}" vlc:quit</div>
<p>On a Windows machine, I use the following batch script for drag and drop functionality. Once a file is dropped onto it, vlc converts the video to a folder that is set in the script.</p>
<p>The ipod video is saved in "<code>My Documents/ipod video</code>". You must create this folder '''before''' using this script.</p>
<code>
@REM Remove the quotes from %1 variable for vlc paramters
@SET infile=%1
@SET infile=%infile:"=%
@REM Strip directory paths from %1 ...
@FOR /F "delims=" %%i in ("%infile%") do SET filename=%%~ni
@SET outdir=%userprofile%\My Documents\ipod video\
@SET outfile=%outdir%%filename%.mp4
@REM The following command should be on ONE line only.
@REM Be sure to remove the carriage returns in your batch file.
"C:\Program Files\VideoLAN\VLC\vlc.exe" -vvv "%infile%" :sout="#transcode{width=320, canvas-height=240, vcodec=mp4v, vb=768, acodec=mp4a, ab=96, channels=2}:standard{access=file,mux=mp4,url=%outfile%}" vlc:quit
</code>

<h2>Converting with Subtitles</h2>
<p>The basic rule for subtitles is: if you can see them in VLC, then you can put them in your converted video; however, getting this to work can be tricky. Essentially, you use the <strong>soverlay</strong> option in the #transcode{...} section to tell VLC that it needs to combine the video and the subtitle streams into one video stream. Of course, that means nothing if you don't know how to get subtitles to display in the first place.</p>
<p>Subtitles for video can be stored in the orginal file as images or text. Subtitles can also come from a separate text file. It all depends on the original video file. Despite where the subtitles come from, you need to first get the subtitles to appear in VLC during normal playback.</p>

<p>If the subtitles are a part of the original file (as with DVD, SVCD, OGM, or MKV video), you will need to use the <strong>sub-track</strong> option to select the desired subtitle track. You will specify this option <em>after</em> the #transcode {...} section.</p>
<p>http://www.kludgeroo.com/linked/videolan/vlc_ipod_converstion_8.6a.html_files/8965ad57a-cb06-11db-8d4f-e8beb4eeadb9.png"</p>
<p>To find the track numbers for the original file, play the file in VLC, click on the Video menu, and view the available tracks under Subtitles Track. The value that you will use for sub-track is the value in this list minus 1. From the picture above, you would specify sub-track=2 to get the second English track listed. (Use sub-track=5 for Deutsch.) To tie it all together, your #transcode{...} section would look like this:</p>
<div class='code'>
#transcode{...,<strong>soverlay</strong>}:stuff{...options...}<strong> :sub-track=2</strong>

</div>
<p>Depending on the original file, you may also be able to get away with using the <strong>sub-language</strong> option instead of specifying the exact subtitle track. Note that this would play the first English track if we specified sub-language=English. Your #transcode{...} section would look like this:</p>
<div class='code'>
#transcode{...,<strong>soverlay</strong>}:stuff{...options...}<strong> :sub-language=English</strong>

</div>

<p>Now that you have the video playing with subtitles, you can create a video with the subtitles overlayed on the video, using the same methods at the top of the document.</p>
<p>For best results, first transcode to file <em>without</em> setting a new width or height (the width=320,canvas-height=240 setting in the #transcode{...} section). After you have made the larger file with the subtitles overlayed, then convert to the smaller iPod width and height. This will make it so that your subtitles appear in the correct proportions on the smaller screen size.</p>

<h2>Testing Your New File</h2>
<p>Now as I stated earlier, I've run many tests on different input file formats and containers. Currently it is very rare for me to find a file that I cannot convert. As far as testing the file goes, I strongly recommend using Apple's Quicktime player. It is much faster than repeatedly transferring the video to your iPod, disconnecting the iPod, and playing the video. Unfortunately, Quicktime is only available on Mac and Windows.</p>

<h2>Best video output for your ipod</h2>

Why would you want the best output? Because (many people don't know that) you can play movie on TV from your ipod with a single (usually cheap) cable. I have i Ipod video of the 5th generation and after several hours of testing here are my conclusions:

H264 from vlc does not seem to be supported on this generation so the choice is Mp4v all the way.(althoug h264 would be a better codec)

The maximum output resolution is 800 X 400. Any values below that is supported. Your better off keeping the same aspect ratio as the source. for example: most dvds are 720 x 480 so you should put 600 x 400 to keep that same ratio.

If you dont keep the same ratio VLC will crop or add black canvas depending on what you are doing that means your video will never be odd looking.

The maximum Bitrate supported is 2400 kbps.

Adding ,deinterlace to the #transcode{} section to deinterlace the video is a good idea but not necessary as it will correct the interlaced material and does not have an impact on uninterlaced material.

<h2>Solving Problems with Your New File</h2>

<p>Here are some of my most notable problems and their solutions.</p>
<h3>VLC closes without outputting anything or the file is 0kb.</h3>
<ul>
<li>Make sure you are only converting the movie, not a playlist.</li>
<li>If you're using a script, make sure your script is correct. (I admit, the one I provided will probably have faults.) </li>
</ul>
<h3>My file is very small or only audio is recorded or only some of the video is present.</h3>
<ul>
<li>More than likely, the input file is slightly corrupted in a spot or you are using the mp4v generic codec instead of the h264 codec. h264 really does work more consistently.</li>
<li>Try adding <strong>fps=25,samplerate=44100</strong> to the #transcode{...} section.</li>
<li>Your CPU may be getting too hot. Seriously. This was happening to me on one of my machines, and when I tried it on another, conversion worked fine. Using a thermometer on the original CPU/heatsink, I discovered that the CPU jumped to 70 degrees during conversion! Solution: get another fan.</li>
</ul>
<h3>iTunes will not accept the new mp4 file</h3>
<ul>
<li>If converting WMV, ASF or DVR-MS, you can probably use the <strong>vcodec=mp4v</strong> instead. There seems to be a problem with the output container when using these as file inputs.</li>
</ul>

<h2>Notes</h2>
<ul>
<li>The 5G and 5.5G of iPod video (with latest firmware) support video resolutions up to 640x480; however, the screen resolution is still 320x240. This may only be useful with subtitled videos, as it removes the second step of resizing the overlayed video.</li>
</ul>

= Older version of this howto =
To make the video the correct size, you can edit the [[preferences]], or run vlc from a [[command prompt]].

<code>
vlc "input_filename" :sout="#transcode{vcodec=mp4v, vb=512, acodec=mp4a, ab=128, channels=2, audio-sync, width=320, height=240}:std{access=file, mux=mp4,url="output_filename"}" --aspect-ratio=width:height
</code>

This all goes on one line, and you'll need to fill in some of the values: the input and output filenames, plus the aspect ratio of the input file. By default vlc will stretch the video to the size specified by sout-transcode-height and width, but if you tell vlc the file's aspect ratio, it will scale and put a black border around it. The aspect ratio can be written as a ratio of width and height, with a colon between the two, or as a decimal.

Further I found that the iPod was particular about the parameter "channels" being set to 2. I found that without this parameter iTunes would import the file into the library but would not be able to upload the same to the iPod.

Further during my experiments I figured out that it was better to stick with MPEG4 encoding for the video stream. While H.264 codec is the latest video compression standard I found the resultant file size usually larger than when the MPEG4 compression mode was used, keeping all the other parameters like the resolution and the bitrate same. This definitely seems contradictory to what I would have expected but these were the findings of my experiments while using videoLan VLC media player.

(In fact, if the bit rates are chosen equally, the file sizes can be expected to be roughly the same. The advantage of h.264 over mpeg4 is its better video quality with the same bit rate or the allowance for lower bit rates and thus smaller files with comparable video quality.)

If you would like to try using H.264 set the parameter vcodec to h264 in the above command line as follows

<code>
vlc "input_filename" :sout="#transcode{vcodec=h264, vb=512, acodec=mp4a, ab=128, channels=2, audio-sync, width=320, height=240}:std{access=file, mux=mp4,url="output_filename"}"--aspect-ratio=width:height
</code>

A useful tip - If you intend to create a batch file that would transcode several titles in a DVD one after the other use the keyword vlc:quit as follows

<code>
vlc "input_filename" :sout="#transcode{vcodec=h264, vb=512, acodec=mp4a, ab=128, channels=2, audio-sync, width=320, height=240}:std{access=file, mux=mp4,url="output_filename"}" vlc:quit --aspect-ratio=width:height
</code>

== Converting Oddly Sized Input Videos to View on the iPod Video ==

The command-line examples above did not work for me when converting video that did not already have a 4:3 aspect ratio. After converting the video, iTunes would not load the video into my library, and I would get "invalid data" errors when trying to view the file in the Quicktime Player. It seams as of at least version 8.6a (not tested on previous versions), vlc will use just the height value to determine the resultant width, while maintaining the original aspect ratio, not the specified ratio.

To remedy this, I used the '''sout-transcode-canvas-height''' option with the '''sout-transcode-width''' and removed the specific aspect ratio option and the specific height declaration. My example command-line is below:

<code>
vlc.exe -vvv "my video.avi" :sout="#transcode{vcodec=mp4v, vb=768, acodec=mp4a, ab=96, channels=2, samplerate=22050, width=320, canvas-height=240}:std{access=file, mux=mp4, url=myvideo.mp4}" vlc:quit
</code>

'''NOTE''' I've noticed that some files encoded with XVID come out without video. If this happens, try using vcodec=h264.

This command will start vlc, transcode the video to file, and quit when complete. The resultant video will be 320x240 with a black canvas filling in the height to the video borders. If the input is already has a 4:3 (320x240) aspect ratio, then no border will appear.

Here is an [http://www.kludgeroo.com/linked/videolan/vlc_test_conversion_ipod.mp4 iPod format sample video] converted with vlc.

== Using Batch Files ==

Here is the info for a batch file to convert videos one after another, although you have to enter your input and output values yourself (use find and replace, or, if you are better than me, make an actual script/program). Make sure the output names are different or else it will get stuck and/or overwrite the old one

<code>
vlc "'''input_filename'''" :sout="#transcode{vcodec=mp4v, vb=512, acodec=mp4a, ab=128, channels=2, audio-sync, width=320, height=240}:std{access=file, mux=mp4,url="'''output_filename'''"}" vlc:quit --aspect-ratio=width:height
</code>

<code>
vlc "'''input_filename(1)'''" :sout="#transcode{vcodec=mp4v, vb=512, acodec=mp4a, ab=128, channels=2, audio-sync, width=320, height=240}:std{access=file, mux=mp4,url="'''output_filename(1)'''"}" vlc:quit --aspect-ratio=width:height
</code>

......etc for each video to convert (useful for converting short .flv or .gvi, or pretty much any file) I relise this is inefficient,

but hopefully someone will make a script (vlc seems best for making ipod videos from any source).
'''NOTE2:''' I find that if i have spaces in the output it doesn't work, but this seems to be a problem with the .bat file. just don't use spaces and use an autorenamer to rename ([http://batchrenamer.sourceforge.net/])
'''NOTE:''' If you can somehow to get 264 to work (megui makes it work...) just change ''vcodec=mp4v'' to ''vcodec=h264''.

The script to drag and drop files (for Windows) is as follows:

<code>
C:\PROGRA~1\VIDEOLAN\VLC\VLC -vvv %1 :sout=#transcode{vcodec=mp4v,vb=512,acodec=mp4a,ab=128,channels=2,width=320,height=240}:duplicate{dst=std{access=file,mux=mp4,dst=%1.m4p}}
pause
</code>
There is no problem with spaces in filenames.

''This is also described (with snapshots) on http://tom.zickel.org/vlcmp4/''

{{forum|15971}}

If the audio ends up being too quiet, the easiest way to make it louder is in the "Get Info" box in iTunes.

Template:Lowercase

2007-12-29T01:58:27Z

Arite: Created lowercase template

{{DISPLAYTITLE:{{#if:{{NAMESPACE}}|{{NAMESPACE}}:|}}{{lcfirst:{{PAGENAME}}}}}}

VLC Source code

2007-12-01T21:56:12Z

Arite:

Check the [http://www.videolan.org/developers/vlc/NEWS News].

== Releases Sources ==

=== Latest Source ===

{{VLC}} Source Code can be downloaded here ({{VLC:latest version}})
: '''http://www.videolan.org/vlc/download-sources.html'''

=== Older Source ===

You can get all the versions of VLC, using the [http://download.videolan.org/pub/vlc/ VLC FTP Archive].

You can also get it with the tags/ folder of the VLC's [[Subversion]] or from the VLC's [[Git]].

== Development Sources ==
=== How to get {{VLC}}'s latest source ===

'''This is the recommended way if you are working on {{VLC}}'''

You need to use [[Subversion]] to download the latest, live snapshot of the development tree, or alternatively you can use [[Git]], which does a wonderful job if you have to deal with multiple changes and patch series.

Start by reading the [[Subversion]] page and then use the repository located at:
svn://svn.videolan.org/vlc/trunk

=== Get the nightly snapshots ===

You can download the nightly snapshots on the [http://nightlies.videolan.org/build/source/?C=M;O=D nightlies website].

[[Category:Building]]
[[Category:Coding]]

VLC Source code

2007-12-01T21:55:27Z

Arite: Updated NEWS link

Check the [http://www.videolan.org/developers/vlc/ChangeLog News].

== Releases Sources ==

=== Latest Source ===

{{VLC}} Source Code can be downloaded here ({{VLC:latest version}})
: '''http://www.videolan.org/vlc/download-sources.html'''

=== Older Source ===

You can get all the versions of VLC, using the [http://download.videolan.org/pub/vlc/ VLC FTP Archive].

You can also get it with the tags/ folder of the VLC's [[Subversion]] or from the VLC's [[Git]].

== Development Sources ==
=== How to get {{VLC}}'s latest source ===

'''This is the recommended way if you are working on {{VLC}}'''

You need to use [[Subversion]] to download the latest, live snapshot of the development tree, or alternatively you can use [[Git]], which does a wonderful job if you have to deal with multiple changes and patch series.

Start by reading the [[Subversion]] page and then use the repository located at:
svn://svn.videolan.org/vlc/trunk

=== Get the nightly snapshots ===

You can download the nightly snapshots on the [http://nightlies.videolan.org/build/source/?C=M;O=D nightlies website].

[[Category:Building]]
[[Category:Coding]]