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alsa-seq: handle midi event decoder errors

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This commit is contained in:
Wim Taymans 2022-06-20 16:12:49 +02:00
parent 40f50deae9
commit 25d9039f2e
1 changed files with 9 additions and 2 deletions
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11
spa/plugins/alsa/alsa-seq.c
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@ -131,13 +131,18 @@ static int seq_close(struct seq_state *state, struct seq_conn *conn)
static int init_stream(struct seq_state *state, enum spa_direction direction) static int init_stream(struct seq_state *state, enum spa_direction direction)
{ {
struct seq_stream *stream = &state->streams[direction]; struct seq_stream *stream = &state->streams[direction];
int res;
stream->direction = direction; stream->direction = direction;
if (direction == SPA_DIRECTION_INPUT) { if (direction == SPA_DIRECTION_INPUT) {
stream->caps = SND_SEQ_PORT_CAP_SUBS_WRITE; stream->caps = SND_SEQ_PORT_CAP_SUBS_WRITE;
} else { } else {
stream->caps = SND_SEQ_PORT_CAP_SUBS_READ; stream->caps = SND_SEQ_PORT_CAP_SUBS_READ;
} }
snd_midi_event_new(MAX_EVENT_SIZE, &stream->codec); if ((res = snd_midi_event_new(MAX_EVENT_SIZE, &stream->codec)) < 0) {
spa_log_error(state->log, "can make event decoder: %s",
snd_strerror(res));
return res;
}
memset(stream->ports, 0, sizeof(stream->ports)); memset(stream->ports, 0, sizeof(stream->ports));
return 0; return 0;
} }
@ -145,7 +150,9 @@ static int init_stream(struct seq_state *state, enum spa_direction direction)
static int uninit_stream(struct seq_state *state, enum spa_direction direction) static int uninit_stream(struct seq_state *state, enum spa_direction direction)
{ {
struct seq_stream *stream = &state->streams[direction]; struct seq_stream *stream = &state->streams[direction];
snd_midi_event_free(stream->codec); if (stream->codec)
snd_midi_event_free(stream->codec);
stream->codec = NULL;
return 0; return 0;
} }