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alsa-mixer: Cache failure to open inputs/output mappings

Browse source 
I was hoping this would improve bootup speed, but it doesn't seem
to do so here, at least not much. But at least it reduces the logs
a little.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2012-10-01 15:37:21 +02:00 • committed by Tanu Kaskinen
parent f16a532e88
commit 2caafa7741
1 changed files with 50 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

54
src/modules/alsa/alsa-mixer.c
View file

@ -3921,6 +3921,16 @@ static void profile_set_add_auto(pa_alsa_profile_set *ps) {
pa_assert(ps);
/* The order is important here:
1) try single inputs and outputs before trying their
combination, because if the half-duplex test failed, we don't have
to try full duplex.
2) try the output right before the input combinations with
that output, because then the output_pcm is not closed between tests.
*/
PA_HASHMAP_FOREACH(n, ps->mappings, n_state)
profile_set_add_auto_pair(ps, NULL, n);
PA_HASHMAP_FOREACH(m, ps->mappings, m_state) {
profile_set_add_auto_pair(ps, m, NULL);
@ -3928,8 +3938,6 @@ static void profile_set_add_auto(pa_alsa_profile_set *ps) {
profile_set_add_auto_pair(ps, m, n);
}
PA_HASHMAP_FOREACH(n, ps->mappings, n_state)
profile_set_add_auto_pair(ps, NULL, n);
}
static int profile_verify(pa_alsa_profile *p) {
@ -4294,6 +4302,7 @@ void pa_alsa_profile_set_probe(
void *state;
pa_alsa_profile *p, *last = NULL;
pa_alsa_mapping *m;
pa_hashmap *broken_inputs, *broken_outputs;
pa_assert(ps);
pa_assert(dev_id);
@ -4302,18 +4311,43 @@ void pa_alsa_profile_set_probe(
if (ps->probed)
return;
broken_inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
broken_outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
PA_HASHMAP_FOREACH(p, ps->profiles, state) {
uint32_t idx;
/* Skip if this is already marked that it is supported (i.e. from the config file) */
if (!p->supported) {
pa_log_debug("Looking at profile %s", p->name);
profile_finalize_probing(last, p);
p->supported = TRUE;
if (p->output_mappings) {
PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
if (pa_hashmap_get(broken_outputs, m) == m) {
pa_log_debug("Skipping profile %s - will not be able to open output:%s", p->name, m->name);
p->supported = FALSE;
break;
}
}
}
if (p->input_mappings && p->supported) {
PA_IDXSET_FOREACH(m, p->input_mappings, idx) {
if (pa_hashmap_get(broken_inputs, m) == m) {
pa_log_debug("Skipping profile %s - will not be able to open input:%s", p->name, m->name);
p->supported = FALSE;
break;
}
}
}
if (p->supported)
pa_log_debug("Looking at profile %s", p->name);
/* Check if we can open all new ones */
if (p->output_mappings)
if (p->output_mappings && p->supported)
PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
if (m->output_pcm)
@ -4325,6 +4359,11 @@ void pa_alsa_profile_set_probe(
default_n_fragments,
default_fragment_size_msec))) {
p->supported = FALSE;
if (pa_idxset_size(p->output_mappings) == 1 &&
((!p->input_mappings) || pa_idxset_size(p->input_mappings) == 0)) {
pa_log_debug("Caching failure to open output:%s", m->name);
pa_hashmap_put(broken_outputs, m, m);
}
break;
}
}
@ -4341,6 +4380,11 @@ void pa_alsa_profile_set_probe(
default_n_fragments,
default_fragment_size_msec))) {
p->supported = FALSE;
if (pa_idxset_size(p->input_mappings) == 1 &&
((!p->output_mappings) || pa_idxset_size(p->output_mappings) == 0)) {
pa_log_debug("Caching failure to open input:%s", m->name);
pa_hashmap_put(broken_inputs, m, m);
}
break;
}
}
@ -4371,6 +4415,8 @@ void pa_alsa_profile_set_probe(
paths_drop_unsupported(ps->input_paths);
paths_drop_unsupported(ps->output_paths);
pa_hashmap_free(broken_inputs, NULL, NULL);
pa_hashmap_free(broken_outputs, NULL, NULL);
ps->probed = TRUE;
}