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CasparCG Server is a Windows and Linux software used to play out professional graphics, audio and video to multiple outputs. It has been in 24/7 broadcast production since 2006. Ready-to-use downloads are available under the Releases tab https://casparcg.com.

License: GNU General Public License v3.0

Shell 0.14% C++ 62.00% C 34.22% CMake 2.86% Batchfile 0.07% Dockerfile 0.03% GLSL 0.68%

casparcg casparcg-server c-plus-plus professional broadcast broadcasting video-player video-recording video-streaming streaming-video

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jstarpl tomkaltz cambell-prince ronag gfto julusian notcoffeetable yakatape johnnyclem aronvietti duron23 keylase vrt-onderzoek-en-innovatie aircooled76 maurice78 akin25 gamingatheist billthegr8 ask4jm akinans natib lruminski globacore nasojlsu krzyc krattai izhangyr dfuchs2512 jaskie weizhengwei scarlettcode wfomd tomtom1976 boffinsdev birkangit waitforit casparplay mikelsis jlemanbeto envexcel loveolsson duncanbarnes deedos domingopa mimiyang canigou77 zenny meditprofi aurelienrevault willadsen qq522383638 bricebv elanvrt soprani sailfish009 mpcaddy nxtedition aruanoc fotechv superflytv tjscheier hibecki bytearchive jdangchien davidoriley monolorenzo super-ienien captnced elias-chalhoub k0d cchienhs pkeuter niejn yydxwt camerontsmall punkley kangdazhi streamlifetv kelocube nestorcanales ipaste zettacristiano jnetusil toontoet tkooijmans coreychen922 snappers-tv jesperstarkar criskurtin stormogulen wifinityes mint-dewit isoundy000 ewayboy petrix seccpur ajpaul25 carmacoma jamesdwise mauriceveraart

server's Issues

Screen consumer spin waits for vertical sync

Converted from SourceForge issue 3560163, submitted by zebiolo

Screen consumer spin waits for vertical sync (the graphics card driver does this).

LOAD sometimes doesn't display first frame still

Converted from SourceForge issue 3597876, submitted by tk-3

Upon a LOAD # FILE. Sometimes the first frame of the video clip is not displayed as a still on the layer.

The behavior is random. I have seen it happen with H.264 and MPEG2 files, although codec may not have an affect on the issue. In my experience the first frame decode "miss" happens 5-10% of the time.

Flash templates missing

Converted from SourceForge issue 3582751, submitted by hummelstrand

The templates (in Flash's "New" window) that were included in FT Generator 1.8 went missing with 2.0 beta. Please add them back...

Use UTF-8 encoding in DATA STORE

Converted from SourceForge issue 3560162, submitted by zebiolo

Use UTF-8 encoding to store files using DATA STORE command. Older files should automatically be converted to UTF-8.

data retrieve new_line server-version 203.3590

Converted from SourceForge issue 3599247, submitted by None

For V203.3590 I found out that in the server log the send messages (as reply on DATA RETRIEVE) are the same containing \n (for new line). But tracing the ip contents (wireshark) these \n ('x5C6E as in V202.2592) is missing and replaced by LF ('x0A).

caspar-log (both versions log the same!)
[12/21/12 12:13:29] [0C882BD8] [info] Sent message to 192.168.178.26: #\n#c:info\nc:version\n#f:news\n\n\r\n

wireshark trace 203.3590
0000 00 16 0a 07 d3 7d 84 8f 69 b0 bb 32 08 00 45 00 .....}.. i..2..E.
0010 00 53 18 ed 40 00 80 06 fc 25 c0 a8 b2 26 c0 a8 .S..@... .%...&..
0020 b2 1a 14 82 b3 84 bc 40 d9 6a 62 fa ce 43 80 18 .......@ .jb..C..
0030 01 04 f6 d2 00 00 01 01 08 0a 00 02 28 0d 00 2c ........ ....(..,
0040 15 ca 23 0a 23 63 3a 69 6e 66 6f 0a 63 3a 76 65 ..#.#c:i nfo.c:ve
0050 72 73 69 6f 6e 0a 23 66 3a 6e 65 77 73 0a 0a 0d rsion.#f :news...
0060 0a

wireshark trace 202
0000 00 16 0a 07 d3 7d 84 8f 69 b0 bb 32 08 00 45 00 .....}.. i..2..E.
0010 00 56 16 99 40 00 80 06 fe 76 c0 a8 b2 26 c0 a8 .V..@... .v...&..
0020 b2 1a 14 82 b3 5e 87 dc 15 16 69 b9 4e ad 80 18 .....^.. ..i.N...
0030 01 04 07 b7 00 00 01 01 08 0a 00 01 cd e5 00 2b ........ .......+
0040 34 66 23 5c 6e 23 63 3a 69 6e 66 6f 5c 6e 63 3a 4f#\n#c: info\nc:
0050 76 65 72 73 69 6f 6e 5c 6e 23 66 3a 6e 65 77 73 version\ n#f:news
0060 5c 6e 0d 0a \n..

Mixer levels does not work

Converted from SourceForge issue 3560197, submitted by zebiolo

Mixer levels does not work.

Mixer don't clear blendmodes

Converted from SourceForge issue 3584002, submitted by zebiolo

MIXER 1-1 CLEAR should clear all mixer commands for specified videolayer.

Latin1 characters caused stop in logging

Converted from SourceForge issue 3529446, submitted by hummelstrand

I accidentally sent latin1 characters in otherwise UTF-8-encoded XML to caspar 2.0.2.1853 beta 3, which caused it to stop logging to the terminal window, but otherwise lives happily.

The template data I'm sending looks like this in the server log (here with only ASCII characters, which is also valid UTF-8):
[code]
[03/02/12 22:26:09] [039465C8] [info] Ready for a new command
[03/02/12 22:26:09] [0AADB798] [info] CG 1 ADD 0 "NAME-AND-ROLE" 0 "<componentData id="f0"><data id="text" value="Berge" /><componentData id="f1"><data id="text" value="" />"
[03/02/12 22:26:10] [03946778] [info] flash[cg20.fth.720p5000] Successfully initialized with template-host: C:/CasparCG 2.0 Beta 3/server/templates/\cg20.fth.720p5000 width: 1280 height: 720.
[03/02/12 22:26:10] [039465C8] [info] flash[cg20.fth.720p5000|0] Invoking add-command: 0NAME-AND-ROLE.ft]]>
[03/02/12 22:26:10] [039465C8] [info] Executed command: CGCommand
[03/02/12 22:26:10] [039465C8] [info] Sent 202 CG OK
[/code]

When sending a latin1 character (here the word "Bø" in f0), the server log truncates the data just before the ø. Notice the value attribute to the data tag:
[code]
[03/02/12 22:27:31] [04BD6658] [info] Ready for a new command
[03/02/12 22:27:31] [08532758] [info] CG 1 ADD 0 "NAME-AND-ROLE" 0 "<componentData id="f0"><data id="text" value="B[03/02/12 22:27:31] [04BD6778] [info] flash[cg20.fth.720p5000] Successfully initialized with template-host: C:/CasparCG 2.0 Beta 3/server/templates/\cg20.fth.720p5000 width: 1280 height: 720.
[03/02/12 22:27:31] [04BD6658] [info] flash[cg20.fth.720p5000|0] Invoking add-command: 0NAME-AND-ROLE.ft<![CDATA[<data id="text" value="B[03/02/12 22:27:31] [04BD6658] [info] Executed command: CGCommand
[03/02/12 22:27:31] [04BD6658] [info] Sent 202 CG OK
[/code]

The cmd.exe terminal window just stops printing anything at all at the ø for the rest of the session. The flash template is however shown on the output, just without the latin1 character(s).

From: http://casparcg.com/forum/posting.php?mode=edit&f=10&p=3088

Multiple fullscreen consumer

Converted from SourceForge issue 3529669, submitted by ronag

Multiple screen consumers in fullscreen mode (windowed=false) does not work.

Cb offset on Decklink output

Converted from SourceForge issue 3603756, submitted by avanier

YCbCr values are offset by -4Cb for all non-black pixels that should be white on SDI output of Decklink SDI.

Bug found on system running
Windows 7 x64
Core i3-540
GeForce GTX 460 (Drv. V. 8.17.13.142)
Blackmagic Design Decklink SDI (Drv. V. 9.7.0.0) (It was confirmed other applications such as Adobe Premiere output correct levels for same source files)
Tested on CasparCG 2.0.3.3590 / 2.0.3.3760 / 2.1.0.3385 with identical results

Bug exhibited on material originating from original material provided in TGA, flash templates, and pictured alpha masks part of the CasparCG demo file library.

PRINT no Alpha

Converted from SourceForge issue 3596921, submitted by didikunz

The PRINT command creates a PNG-graphic in the Data server path. Under Server 2.0 Stable the PNG has a alpha channel, that is the alpha of the template, or whatever is on that channel at that moment. Under 2.1.0 there is no alpha channel. Is this by design or by error?

I would want to use it to render lower-thirds and the like for using in non-linear-editing. (Need to use 2.1.0 because there is no OpenGL capable GPU).

Didi

CasparCG Client fails to launch

Converted from SourceForge issue 3559879, submitted by james2432

The casparCG fails to launch as the flashcontrol on the form is never initialized. The error:
NullReferenceException at line 396 in FlashTemplateHostControl.cs

I've fixed this by initializing the control in the framework (as the variable is private)
Attached is the patched source
framework\csharp\trunk\Svt.Caspar.Controls\FlashTemplateHostControl.Designer.cs

in the InitializeComponent() method I've added:
shockwaveFlashControl1 = new ShockwaveFlashControl();

Which enables the client to be run

Choppy audio in 720p5000 Channel

Converted from SourceForge issue 3576058, submitted by aircooled76

I think have found a bug in the Server 2.0...

When I play a BMD Intensity Pro input at 1080i5000 into a Caspar Channel using the command: "play 1 decklink 1 format 1080i5000"

I do not get the problem when I play a 1080i50 clip from my HDD, I have also tested a few other file formats with no issues.

I am unsure if this bug is connected to another bug relating to choppy audio in 720p60000 and 720p5997 clips https://sourceforge.net/tracker/?func=detail&aid=3574060&group_id=224232&atid=1061033

attached excerpt from log file

Flexible field order handling

Converted from SourceForge issue 3014286, submitted by hummelstrand

Enable per-clip command for setting for field dominance of pre-rendered videos played by the FFmpeg Producer, making it possible to switch the field dominance of interlaced videos. This would trigger the field dominance switcher function.

Expose the list of interpretation rules used for such things as the field dominance switcher function, in a user-editable text file.
[
Enable a per-session setting of the field dominance render setting in the Flash Producer so that lower/even field rendering is supported.

Disk Consumer

Converted from SourceForge issue 3592756, submitted by nickehallgren

In build 3548 when recording to h264 the recorded video gets corrupted (visible on playback). DNxHD works perfectly but sometimes h264 would be more convenient to use. Log attached

Proper sync of multiple consumers on the same channel

Converted from SourceForge issue 3560180, submitted by zebiolo

Multiple consumers needs a proper sync to prevent frame delay (as an exemple when using separate device for key).

Play swf:s through flash player instead of ffmpeg

Converted from SourceForge issue 3560321, submitted by hellgore

Currently ordinary swf-files are picked up by the ffmpeg producer but it is unable to play them correctly, so a producer using the flash player should serve them instead

Incorrect cadence run semantics

Converted from SourceForge issue 3532321, submitted by ronag

CasparCG counts audio cadence runs in nb_samples * nb_channels (see video_format.cpp), however it should be counted as nb_samples, and then multiplied by correct nb_channels inside producers/mixers/consumers.

Can't add more than one fullscreen Screen Consumer

Converted from SourceForge issue 3529444, submitted by hummelstrand

I cannot get Caspar CG to output more than 1 screen consumer. This issue came about when I was playing with key channel. ([url=http://casparcg.com/forum/viewtopic.php?f=6&t=661]Previous Conversations[/url]).

Robert suggested that in the config file, the following should work fine:

1 2

CasparCG seems to only pay attention to the second entry, in this case device two.

Robert's suggested work-a-round successfully adds new screens, but windowed:
ADD 1-1 SCREEN DEVICE 1

From: http://casparcg.com/forum/posting.php?mode=edit&f=10&p=3445

CLK server component can't handle more than one connection

Converted from SourceForge issue 3568865, submitted by hellgore

The CLK server component is not safe when multiple connections is in use, because it has a global parser. If the CLK server will potentially handle more than one client at a time, this must be fixed. Probably a refactoring of the ProtocolStrategy API is needed where each AsyncEventServer has a ProtocolStrategyFactory instead -- resulting in each connection having its own ProtocolStrategy instance for stateful parsing of a single client input.

CG OK sent even when command failed

Converted from SourceForge issue 3601966, submitted by hummelstrand

Verify that a template is playing before acknowledging CG Command (via AMCP)
CasparCG Server acknowledges a CG Command (by 202 CG OK) although not being able to perform the command. Failure is because there is no template playing on corresponding layer, which is detected by the template host as "ReferenceError: No template playing on layer 3".

Feature Request: The module handling the command should somehow acquire info from the template host for validation of templates before giving an acknowledge on the command.

Example from the log:
...
"[12/20/12 15:14:25] [07A43C60] [debug] Executed command: CGCommand
[12/20/12 15:14:25] [07A43C60] [info] Sent message to 10.23.19.107: 202 CG OK\r\n
[12/20/12 15:14:25] [07A43D80] [debug] flash-player[cg20.fth.720p5000|1280x720] [command] Command recieved @getinfo@?@
[12/20/12 15:14:25] [07A43D80] [info] flash-player[cg20.fth.720p5000|1280x720] Initialized.
[12/20/12 15:14:25] [07A43D80] [debug] flash-player[cg20.fth.720p5000|1280x720] [command] Command recieved @setdata@3@
[12/20/12 15:14:25] [07A43D80] [error] flash-player[cg20.fth.720p5000|1280x720] [error] @setdata@3@ReferenceError: No template playing on layer 3@
[12/20/12 15:14:25] [07A43D80] [info] flash-player[cg20.fth.720p5000|1280x720] Uninitialized.
...

Originally posted by Magnus Hagström, SVT Teknik

video name

Converted from SourceForge issue 3600381, submitted by ncsmedia

Hi I am new here in casparCG and I think I found a little "bug".
When you forget to instance a name in a video imported in Flash and try to compile an error message is generate.

_Error_
If you want to optimize embedded video instances they need to have instance names.

But when you go back and fix it the error message is still generate. You have to shutdown Flash to compile succesfully.

Transparency issues with tga and png stills

Converted from SourceForge issue 3574455, submitted by nickehallgren

I tested build 3364 RC and noticed that the image scroller is now working but that there are issues with transparency (same issues with stills also). If I have a transparent png I get a box cutout around the object that is transparent but everything else is white. Same png and add alpha in separate still it seesm to work until the first page has scrolled past then is goes wierd. A 32bit tga with alpha get inverted alpha (white were it should be transparent) but if I add a black layer below everything the same tga now works perfectly. Images used for testing (made with Photoshop CS6) are attached in .zipfile

Demo video here: http://www.youtube.com/watch?v=v8_KR2DKEeA&feature=youtu.be

Add LOADBG support for Image-Scroller

Converted from SourceForge issue 3606131, submitted by hreinnbeck

Feature request: Add support for LOADBG with Image-Scroller so you can prepare the image and run it instantly upon sending PLAY command.

STATUS command gives error in 2.0, worked in 1.8

Converted from SourceForge issue 3529443, submitted by hummelstrand

"After I installed the server 2.0, I have trouble getting the STATUS command to work. Sends the STATUS 1 and get back 400 ERROR."

Robert suggested: "Try INFO instead."

From http://casparcg.com/forum/viewtopic.php?f=10&t=734

INFO returns incorrect duration

Converted from SourceForge issue 3585161, submitted by hummelstrand

http://casparcg.com/forum/viewtopic.php?f=5&t=1011&p=5871

The files linked to in the forum post do play without a problem in VLC, but apparently CasparCG Server 2.0 stable reports incorrect duration and fps data.

"JavaScript error(s) occurred " Bug on Template Generation

Converted from SourceForge issue 3560692, submitted by None

On attempting to generate a template the error "The following JavaScript error(s) occurred" appears in the Flash Console.

After this occurs no more templates can be generated until Flash is closed and reopened.

It didn't happen to begin with, but now happens on every first generation.

Mac OS X 10.8
Flash CS6
Caspar Template Generator 2.0.0

[code]||Generating CasparCG Flash template, version 2.0.0||

+-----------------------------------------------------

+Verbose tracing is activated (+), this can be turned off in the Settings tab.

+Scanning the main timeline for keyframes with labels...

+Scanning elements...

+Scanning the library for movie clips and bitmaps...