Re: seq: maximum number of events w.r.t. ordering in queue

[Gerald Grabner <gerald.grabner@gmx.net>]

Clemens Ladisch wrote:
> Gerald Grabner wrote:
>>   // buffer size for all events
>>   unsigned int b = (n+1)*sizeof(snd_seq_event_t);
>>
>>   // set output buffer and client pool size
>>   if ( snd_seq_set_output_buffer_size(seq,b) )
>>     printf("Error setting output_buffer_size\n");
>>   if ( snd_seq_set_client_pool_output(seq,b) )
>>     printf("Error setting client_pool_output\n");
>
> What the documentation failed to tell you is that the parameter to
> snd_seq_set_client_pool_output() is measured in events, not in
> bytes, and that a value that is too big is silently ignored.

Indeed, that did the trick!


Besides the fact that ALSA is a great piece of software, the
documentation is a bit poor in some places - like this one. Since I am
not a developer of the ALSA lib, I can only make suggestions, e.g.
adding the following doxygen snippet at line 264/265 in seqmid.c
(alsa-lib-1.0.14rc2) for snd_seq_set_client_pool_output:

 * The pool size is measured in events, not in bytes. The maximum size
 * is 2000, values greater than that are ignored.

Thx & Regards,
Gerald

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