[vlc-devel] Unable to get OSX version of VLC to play video in MY window

[Greg Wishart]

I have -I (as in India) on the command line when I launch VLC, and I  
know for sure that minimal_macosx is being used.  I'm just not sure  
what is meant by passing an object that implements the  
VLCOpenGLVoutEmbedding protocol.

He says to pass an object that implements the VLCOpenGLVoutEmbedding  
protocol, but I don't see any classes that do. Maybe I need to make  
one or modify one, but I have no idea.

One thing that bothers me, is that there is a function in  
VLCOpenGLViewView.m called cocoaglvoutviewInit() that calls a method  
called "autoinitOpenGLVoutViewIntVoutWithContainer".  I don't think  
that method is being called because I set a breakpoint in  
autoinitOpenGLVoutViewIntVoutWithContainer , but my debugger does not  
stop at the breakpoint.

-greg-


On Aug 10, 2009, at 6:17 PM, Andre-John Mas wrote:

>
> I think that was meant to be -I (as in India), judging from Pierre's  
> e-mail.
>
> On 10-Aug-2009, at 21:05, Greg Wishart wrote:
>
>> Hi Pierre;
>>
>> Is this "-l minimal_macosx" a command-line parameter to VLC?
>> What do you mean by "pass an object"?  I don't understand what  
>> object you mean and where I pass it.
>>
>> I did remove the "macosx" module, and add "-l minimal_macosx" to  
>> the command line.  The debugger shows that minimal_macosx is  
>> definitely being loaded and used, but I still don't see any video  
>> in my app.
>>
>> -greg-
>>
>>
>> On Aug 10, 2009, at 4:06 PM, Pierre d'Herbemont wrote:
>>
>>>
>>> On Aug 11, 2009, at 12:37 AM, Greg Wishart wrote:
>>>
>>>> Hello, I need some help getting VLC to play video on OSX. I have  
>>>> built version 0.9.10 and it runs fine by itself, but not the way  
>>>> I need it to. I'm working on a program that uses VLC to play  
>>>> video in one of MY windows instead of a window that VLC creates.  
>>>> Our technique works fine on Windows, but on OSX, we just hear the  
>>>> audio... no video.
>>>>
>>>> Our app starts by looking for an instance of VLC running. If not  
>>>> found, it launch an instance. When it launches, it loads a module  
>>>> we have built that replaces the regular user interface with  
>>>> something that simply listens for commands from our player  
>>>> (start, stop, pause, etc) and displays some debug output. When  
>>>> our player app (which uses wxWidgets) sends a command to VLC to  
>>>> play a file, one of the parameters is a window handle of the  
>>>> window that the video is to be played in. This sets the  
>>>> "drawable" variable which is supposed to display video on OUR  
>>>> window but we never see it.
>>>>
>>>> I can supply some code examples, but for now, does anyone have  
>>>> any idea on what might be wrong? This technique works great on  
>>>> the Windows version... I'm using version 0.9.10
>>>
>>> Have a look at what projects/macosx/framework is doing. This  
>>> should work.
>>>
>>> In a few words, you have to use "-I minimal_macosx" and pass an  
>>> object that implements the protocol VLCOpenGLVoutEmbedding defined  
>>> in modules/gui/minimal_macosx/VLCOpenGLVoutView.h
>>>
>>> Pierre.
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>>
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