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alsa: Move ctl sources to a main loop

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It doesn't make sense to hang these on the data loop, so let's have
these on the main loop instead. Also avoids a potential crash while
removing them (since removal happens on the main loop and the data loop
might be polling while we're doing the remove).
This commit is contained in:
Arun Raghavan 2023-11-21 17:05:24 -05:00 • committed by Wim Taymans
parent bb82ddb601
commit dec1102574
4 changed files with 13 additions and 2 deletions
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4
spa/plugins/alsa/alsa-pcm.c
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@ -706,7 +706,7 @@ static void bind_ctls_for_params(struct state *state)
state->ctl_sources[i].fd = pfds[i].fd;
state->ctl_sources[i].mask = SPA_IO_IN;
state->ctl_sources[i].rmask = 0;
spa_loop_add_source(state->data_loop, &state->ctl_sources[i]);
spa_loop_add_source(state->main_loop, &state->ctl_sources[i]);
}
for (unsigned int i = 0; i < state->num_bind_ctls; i++) {
@ -839,7 +839,7 @@ int spa_alsa_clear(struct state *state)
if (state->ctl) {
for (int i = 0; i < state->ctl_n_fds; i++) {
spa_loop_remove_source(state->data_loop, &state->ctl_sources[i]);
spa_loop_remove_source(state->main_loop, &state->ctl_sources[i]);
}
snd_ctl_close(state->ctl);