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alsa: if we are passed a UCM device, make sure to open UCM

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UCM devices can require local data from use_case_mgr_open() but since
we do that in a separate process, make sure we reopen the use case
manager in case we are passed a UCM device so that the config is
available.

See #1251
This commit is contained in:
Wim Taymans 2021-06-02 13:23:08 +02:00
parent 1d4b24d02b
commit e3d3f04780
4 changed files with 34 additions and 6 deletions
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6
spa/plugins/alsa/alsa-pcm.h
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@ -33,6 +33,7 @@ extern "C" {
#include <math.h>
#include <alsa/asoundlib.h>
#include <alsa/use-case.h>
#include <spa/support/plugin.h>
#include <spa/support/loop.h>
@ -194,6 +195,8 @@ struct state {
double max_error;
struct spa_latency_info latency;
snd_use_case_mgr_t *ucm;
};
int
@ -203,6 +206,9 @@ spa_alsa_enum_format(struct state *state, int seq,
int spa_alsa_set_format(struct state *state, struct spa_audio_info *info, uint32_t flags);
int spa_alsa_init(struct state *state);
int spa_alsa_clear(struct state *state);
int spa_alsa_open(struct state *state);
int spa_alsa_start(struct state *state);
int spa_alsa_reassign_follower(struct state *state);