Takashi Iwai wrote: > At Sun, 8 Jun 2003 22:06:30 -0400, > Drake Wilson wrote: > >>... I have a draft, or part thereof. It is in similar spirit to the >>module overviews in the API reference, and I hope it to be of some >>use, if not optimal. >>[...]
I missed this until now. Just to add that the meanings of the various SND_SEQ_PORT_TYPE flags were covered in a discussion on this list a few weeks ago. It seems that the SND_SEQ_PORT_TYPE_* flags describe the sort of events that a port understands and not necessarily what it does with them. The discussion here arose from a desire to query these flags in order to attempt to distinguish MIDI soft synths and on-card hardware synths from other MIDI applications such as sequencers: it turns out that this is not possible. For example, I believe it turned out that PORT_TYPE_APPLICATION indicates a port expecting application-specific events, not just a port that happens to belong to a software application. That is, a MIDI soft synth would not necessarily be expected to set this flag. Similarly, PORT_TYPE_SYNTH indicates that the port has the ability to do (non-MIDI) direct synthesis, and again a MIDI soft synth or a driver for a soundcard MIDI synth would not be expected to set this flag unless it was also capable of direct synthesis. So "port is attached to a synthesizer device" is unfortunately an inadequate and misleading description for PORT_TYPE_SYNTH, as ports attached to MIDI synth devices will generally not have this flag set. I found all this most confusing, but that's probably because I don't really know anything about non-MIDI clients. Look for the subject "Sequencer port type flags" in the archives (in early May this year) for more details. Chris ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01 _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
