Re: [Gnash-dev] Re: from Hong Yu: partial progress of debugging Gnash-cvs with new FFmpeg

[Hong Yu]

Thanks for your suggestions! We will constantly refer to Gstreamer code 
skeleton, even our concentration is FFmpeg.

Best regards,

Hong Yu



strk wrote:
> Thanks for your contribution Hong,
> unfortunately the core developer working on the redesign doesn't
> have a final abstract model for you to follow.
> His plan is to first make the gstreamer backend stable, an then work
> on the asbraction level.
>
> The best you can do is go on with your cleanup and eventually discuss
> possible abstractions with Bastiaan.
>
> --stk;
>
> On Tue, Feb 05, 2008 at 07:17:14PM +0800, Hong Yu wrote:
>   
> > Currently we are further modifying Gnash-cvs source for the option 
> > '--enable-media=ffmpeg' and have had the following plans:
> > [1] Modify 'configure.ac' and set the default value of 'media_handler' 
> > to be 'gst'
> > [2] Create directory 'libmedia/ffmpeg' and copy the current program 
> > dependencies 'AudioDecoderFfmpeg.*', 'sound_handler_sdl.*', 
> > 'VideoDecoderFfmpeg.*' under the directory
> > [3] Rename the directory 'libmedia/sdl' and exclude it from build 
> > temporarily
> > [4] Modify files 'Makefile.am' accordingly wherever necessary
> > [5] Create files 'ffmpegNetStreamUtil.*' in the directory 
> > 'libmedia/ffmpeg', and move the utility classes 'raw_mediadata_t', 
> > 'multithread_queue<T>', and 'AudioResampler' from 
> > 'server/asobj/NetStreamFfmpeg.h'
> > [6] Create files 'NetConnectionFfmpeg.*' in the directory 
> > 'libmedia/ffmpeg' and copy partial implementation of 
> > 'server/asobj/NetConnection.*' of Gnash-0.8.1, which is invoked in 
> > 'server/asobj/NetStreamFfmpeg.*'
> > [7] Test and debug the above changes with YouTube
> >
> > We will post our debugging results with YouTube soon afterwards. And 
> > look forward to your helpful suggestions!
> >
> > Best regards,
> >
> > Hong Yu
> >
> >
> > Hong Yu wrote:
> >     
> > > We would be very happy to cleanup our patch to comply with your new 
> > > media abstraction. But I need to first invest more time learning from 
> > > the source code. It would definitely shorten my learning curve, if you 
> > > would provide more suggestions on Gnash's new media abstraction design?
> > >
> > > Best regards,
> > >
> > > Hong Yu
> > >
> > >
> > >
> > > strk wrote:
> > >       
> > > > On Fri, Feb 01, 2008 at 02:03:01PM +0100, strk wrote:
> > > >         
> > > > > On Fri, Feb 01, 2008 at 05:47:59PM +0800, Hong Yu wrote:
> > > > >           
> > > > > > So would you consider the option '--enable-media=ffmpeg' for the 
> > > > > > new or future release(s)?
> > > > > >             
> > > > > I'd be for using it in the upcoming (0.8.2) release.
> > > > > The only concern would be changing the configure script to not fallback
> > > > > automatically to ffmpeg if gst is not found, assuming the ffmpeg 
> > > > > version
> > > > > would not be as stable as the gst one.
> > > > >           
> > > > Sorry, I just looked at the patch. Another concern is not making the 
> > > > redesign
> > > > process harder, and this patch doesn't help with that in its current 
> > > > incarnation
> > > > (too many compile-time switches).
> > > > I think you mentioned the early state of your patch, so my question 
> > > > would be:
> > > > do you think you'll be able to clean it investing more on the 
> > > > abstraction
> > > > of the interfaces ?
> > > >
> > > > -strk;
> > > >
> > > >         
> >
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> >     
>
>