[alsa-devel] snd_seq_system_info_get_cur_ports function

[Clemens Ladisch]

Jose B wrote:
> Shouldnt there be a function for getting the current port count as seen below?
>
> snd_seq_system_info_get_cur_ports(const snd_seq_system_info_t *info)

There is no such value:
<https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/sound/asequencer.h#n308>

> I was writing a function to quickly check if any new ports were registered
> on the sequencer after the application using the wrapper starts up.

The number of ports is not helpful for detecting all changes.

Subscribe to port 0:1 (SND_SEQ_CLIENT_SYSTEM:SND_SEQ_PORT_SYSTEM_ANNOUNCE) to
receive events for any changes.


Regards,
Clemens