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Bugfix:

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- dead SMP lock in es1968 (maestro2) driver.

Bugfix & enhances of sequencer stuff
    by Scott McNab <sdm@fractalgraphics.com.au>:
 - fix for the insrument list locking in SND_SEQ_EVENT_INSTR_BEGIN
   and SND_SEQ_EVENT_INSTR_END events.
   Note that nothing seems to really take notice of the list locking.
   This is more an issue when we add support for editing instruments
   anyway.

 - added new alsa-lib utility function snd_seq_ev_set_varusr() which
   is similar to snd_seq_ev_set_variable(), but specifies userspace
   extended event data.
   This is required in order to use the SND_SEQ_EVENT_INSTR_PUT
   command (took me bloody ages to work this out btw)

 - minor correction for gus & trident synth drivers
This commit is contained in:
Takashi Iwai 2000-06-08 10:55:34 +00:00
parent 7fe55fff6a
commit bbdff9fce5
2 changed files with 12 additions and 1 deletions
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9
src/seq/seqmid.c
View file

@ -81,6 +81,15 @@ void snd_seq_ev_set_variable(snd_seq_event_t *ev, int len, void *ptr)
ev->data.ext.ptr = ptr;
}
/* set varusr data */
void snd_seq_ev_set_varusr(snd_seq_event_t *ev, int len, void *ptr)
{
ev->flags &= ~SND_SEQ_EVENT_LENGTH_MASK;
ev->flags |= SND_SEQ_EVENT_LENGTH_VARUSR;
ev->data.ext.len = len;
ev->data.ext.ptr = ptr;
}
/* use or unuse a queue */
int snd_seq_use_queue(snd_seq_t *seq, int q, int use)