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alsa-seq: improve midi encode some more

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snd_midi_event_encode() will reset the encoder when it returns an
encoded event. It is possible that the function returns with an encoded
event when the internal buffer is full, in that case we need to push the
event and continue encoding without reseting the encoder.

0 is not a snd_midi_event_encode() error, so don't handle it like
one.
This commit is contained in:
Wim Taymans 2024-05-09 18:32:14 +02:00
parent 1c056661b6
commit 7dcfe81690
1 changed files with 4 additions and 4 deletions
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8
spa/plugins/alsa/alsa-seq.c
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@ -649,16 +649,16 @@ static int process_write(struct seq_state *state)
if (c->type != SPA_CONTROL_Midi)
continue;
if (size == 0) {
if (size == 0)
/* only reset when we start decoding a new message */
snd_seq_ev_clear(&ev);
snd_midi_event_reset_encode(stream->codec);
}
if ((s = snd_midi_event_encode(stream->codec,
SPA_POD_BODY(&c->value),
SPA_POD_BODY_SIZE(&c->value), &ev)) <= 0) {
SPA_POD_BODY_SIZE(&c->value), &ev)) < 0) {
spa_log_warn(state->log, "failed to encode event: %s",
snd_strerror(s));
snd_midi_event_reset_encode(stream->codec);
size = 0;
continue;
}