I wanted to get the tempo, so I did this:
snd_seq_queue_tempo_t *qt;
snd_seq_queue_tempo_alloca(&qt);
snd_seq_get_queue_tempo(seq,id,qt);
return qt->tempo;//line 91
and the compiler told me this:
alsa.cpp:91: invalid use of undefined type `struct _snd_seq_queue_tempo'
/usr/include/alsa/seq.h:382: forward declaration of `struct
_snd_seq_queue_tempo'
anyone have any ideas? Thanks
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