[gst-devel] A plugin for Future Composer audio files

[Stefan Kost]

hi,

Michael Schwendt schrieb:
> Hi everyone!
> 
> Although a newbie with regard to the various GStreamer APIs, I've
> published a plugin for playing AMIGA Future Composer audio modules:
> 
> http://sourceforge.net/project/showfiles.php?group_id=45797&package_id=295132&release_id=633179
> 
> It uses a very old decoder backend that has been used a couple of times
> before. Works fine here so far.
Cool stuff!

> 
> Very helpful in creating this has been the GStreamer Plugin Writer's Guide
> (0.10.20.1). In particular the make_element script to create base source
> files for a quick start.
> 
> An early hurdle I ran into is that I as soon as I used "gst-launch-0.10
> playbin uri=" or Rhythmbox to test the plugin, the audio files refused to
> load. It turnt out that I had to implement a typefind function as one of
> the first things, or else some mpeg plugin would accept my input files
> and fail to play them.
> 
> Another thing I wondered is where to find a list of what must be
> implemented? For example, when adding support for seek events, I didn't
> know what GST_FORMAT_* parameters I need to handle. It may be that my
> 0.1 implementation is only a subset that works with Rhythmbox and needs
> more to not be too limited.
> 
I don't think you miss a lot. Have a look at the modplug plugin in
gst-plugin-ugly and the timidity/wildmidi plugins in gst-plugins-bad. These are
somewhat simillar.

Stefan