This is very interesting! Especially the midi framework! It would be great if it would connect to jack-midi as well.
Prashant Vaibhav wrote: > > Dear Miguel, > Dear All, > > Glad to hear codecs are not a focus for Mono.Media (at present). Somehow > most discussion in this area seems to be focused on re-implementing > gstreamer or creating bindings for it (a/v format coding/decoding in > general). Last weekend I submitted an application for Mono.Media GSoC. My > proposal seeks to provide high performance, low-level audio/MIDI features > for Mono, rather than a generic coder/decoder framework. One thing I have > focused on is fairly complete MIDI support. > > I didn't base my proposal on the Java media framework (I don't have much, > if > any, experience with Java, plus I saw discussion on how JMF's heavily > asynchronous design is undesirable), so I might be missing some obvious > features. I'll appreciate if the Mono dev community could comment on my > design. > > Following is an excerpt from the proposal: > > The architecture of the Mono.Media.Audio section would be as follows: >> >> - Classes representing audio devices will be implemented. These will >> abstract out platform-specific code (ie. the same AudioDevice would use >> WDM/KS on Windows and Jack/Alsa on Linux) >> - Classes representing audio sources will be implemented. These will have >> methods to *provide* audio. >> - Classes representing audio consumers will be implemented. These act >> like >> sinks. An AudioSourcePlayer for example will continuously stream audio >> from >> an AudioSource to an AudioDevice. The AudioDevice will have a callback >> method on its own high priority thread to get audio buffers. >> - Further classes like Mixer, CrossFader, Equalizer etc. might be >> implemented as a combination of sinks and sources. >> - Classes for reading/writing simple audio files (.wav, .aiff etc.) will >> also be implemented. >> > > > The MIDI architecture will consist of : > > - Classes for MIDI input and output devices. These will represent actual >> devices on Windows (which does not support the concept of virtual >> devices), >> and software ports on Linux and Mac. The winmm API will be used on >> Windows, >> CoreMIDI on Mac, and ALSA sequencer API on Linux. >> - Classes for MIDI events (a generic event, NoteOn, NoteOff events, >> SysEx, >> MetaEvents, Controller etc.). These will allow easy creation/manipulation >> of >> MIDI data, shielding the programmer from the actual byte-stream. >> - Classes for storing/manipulating these (e.g. MidiTrack, MidiSequence, >> MidiRecorder etc.) >> - Classes for handling MIDI file input/output >> - Classes for handling MIDI time code and transport control messages >> >> Basically the MIDI framework will be a fairly complete implementation of >> everything that MIDI has to offer (except perhaps highly specialized >> standards like Sample Dump Standard). If we have time, an OSC interface >> might also be implemented. >> > > > Of course this design is open to discussion. Thanks for your time! > > Best, > Prashant > > > > > On 07/04/2008, Miguel de Icaza <[EMAIL PROTECTED]> wrote: >> >> >> > I'm interested in applying for GSOC to work on Mono.Media and I was >> > just wondering if I could get a few more details about the project. >> > Has any work been completed on it? How comprehensive in terms of >> > codec support are you looking for? >> >> I do not believe that there is much along the lines of codecs in >> Mono.Media. Please read the Java specification as its really working >> with a different set of problems. >> >> _______________________________________________ >> Mono-devel-list mailing list >> Mono-devel-list@lists.ximian.com >> http://lists.ximian.com/mailman/listinfo/mono-devel-list >> > > > > -- > ____________________________________________________ > PRASHANT VAIBHAV, Class of 2008 (EE/CS) > School of Engineering and Science, Jacobs University Bremen > > Postal address: Phone: +49 421 200 5714 > College Ring 7, Box 83 Apartment: College III B202 > Bremen 28759, Germany > ____________________________________________________ > > _______________________________________________ > Mono-devel-list mailing list > Mono-devel-list@lists.ximian.com > http://lists.ximian.com/mailman/listinfo/mono-devel-list > > -- View this message in context: http://www.nabble.com/Mono.Media-for-GSOC-tp16310647p16970241.html Sent from the Mono - Dev mailing list archive at Nabble.com. _______________________________________________ Mono-devel-list mailing list Mono-devel-list@lists.ximian.com http://lists.ximian.com/mailman/listinfo/mono-devel-list