-----Original Message----- From: Paul Davis [mailto:[email protected]] Sent: Saturday, June 06, 2009 10:16 PM To: Ziv Haziz Cc: [email protected] Subject: Re: [LAD] supporting a dedicated DSP chip with ALSA
On Sat, Jun 6, 2009 at 2:57 PM, Ziv Haziz<[email protected]> wrote: > > If I declare my plugin as control >LADSPA has no such concept. You can have a plugin with zero or more >ports of any type. Now ... what the host does is rather independent. >For example, if you have a plugin with no audio inputs or outputs, it >will be hard for any host to find a place to use it. are you familiar with a plugin that has similar functionality? One I can use as reference? >only will I get all the information such > as rate, format, etc… like a driver and will the frames will be passed to > the driver directly? >There is only one audio format within LADSPA (this is also true of VST >and several other plugin APIs): 32 bit floating point, with the >convention that it is normalized to -1 .. +1 I saw in a link of ALSA Wiki that there are several formats http://alsa.opensrc.org/index.php/PCM I know jackd is working one format just as use said - but this is stage two >The host will configure the plugin with the sample rate and any other >required data. You will still need to provide a process method in the >plugin, but it can do nothing. ok I think I got it - the plugin will get both data and settings but will pass the data as is (not do anything in the process method) this way I will extract only the settings without interfering with the data. Nice idea. ______________________________________________________________________ DSP Group, Inc. automatically scans all emails and attachments using MessageLabs Email Security System. _____________________________________________________________________ ______________________________________________________________________ DSP Group, Inc. automatically scans all emails and attachments using MessageLabs Email Security System. _____________________________________________________________________ _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev
