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seq: fix snd_seq_set_queue_tempo() usage example in the documentation

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snd_seq_set_queue_tempo() requires a queue id as the second argument,
fix the example in documentation to reflect that.

Also add the queue id as an argument of the set_tempo() function, just
to keep the whole example compilable.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Antonio Ospite 2017-09-28 15:46:15 +02:00 • committed by Takashi Iwai
parent 6a617cc719
commit baed295faa
1 changed files with 2 additions and 2 deletions
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4
src/seq/seq.c
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@ -452,13 +452,13 @@ For setting these tempo parameters, use #snd_seq_queue_tempo_t record.
For example, to set the tempo of the queue <code>q</code> to For example, to set the tempo of the queue <code>q</code> to
48 PPQ, 60 BPM, 48 PPQ, 60 BPM,
\code \code
void set_tempo(snd_seq_t *handle) void set_tempo(snd_seq_t *handle, int queue)
{ {
snd_seq_queue_tempo_t *tempo; snd_seq_queue_tempo_t *tempo;
snd_seq_queue_tempo_alloca(&tempo); snd_seq_queue_tempo_alloca(&tempo);
snd_seq_queue_tempo_set_tempo(tempo, 1000000); // 60 BPM snd_seq_queue_tempo_set_tempo(tempo, 1000000); // 60 BPM
snd_seq_queue_tempo_set_ppq(tempo, 48); // 48 PPQ snd_seq_queue_tempo_set_ppq(tempo, 48); // 48 PPQ
snd_seq_set_queue_tempo(handle, tempo); snd_seq_set_queue_tempo(handle, queue, tempo);
} }
\endcode \endcode