[vlc-devel] Unable to get OSX version of VLC to play video in MY window
Pierre d'Herbemont
pdherbemont at gmail.com
Tue Aug 11 12:41:50 CEST 2009
Sorry, actually, my memory went wrong, you want "-I dummy --
vout=minimal_macosx --opengl-provider=minimal_macosx" as libvlc
parameter. (See VLCLibrary.m in projects/macosx/framework).
Right, you need to create your own class that implements that
protocol. VLCMediaView does it in the framework code.
Pierre.
On Aug 11, 2009, at 4:06 AM, Greg Wishart wrote:
> 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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