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bluez5: backend-native: fallback switch msbc->cvsd on EOPNOTSUPP

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If MSBC connect() fails with EOPNOTSUPP, trigger codec renegotiation.

When PW is AG, this also removes the msbc profile.
This commit is contained in:
Pauli Virtanen 2022-01-30 20:27:21 +02:00
parent 1da23145df
commit 3ffc0452a7
1 changed files with 20 additions and 4 deletions
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24
spa/plugins/bluez5/backend-native.c
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@ -1130,6 +1130,7 @@ static int sco_do_connect(struct spa_bt_transport *t)
{
struct impl *backend = SPA_CONTAINER_OF(t->backend, struct impl, this);
struct spa_bt_device *d = t->device;
struct transport_data *td = t->user_data;
struct sockaddr_sco addr;
socklen_t len;
int err;
@ -1164,6 +1165,21 @@ again:
goto again;
} else if (err < 0 && !(errno == EAGAIN || errno == EINPROGRESS)) {
spa_log_error(backend->log, "connect(): %s", strerror(errno));
#ifdef HAVE_BLUEZ_5_BACKEND_HFP_NATIVE
if (errno == EOPNOTSUPP && t->codec == HFP_AUDIO_CODEC_MSBC &&
td->rfcomm->msbc_supported_by_hfp) {
/* Adapter doesn't support msbc. Renegotiate. */
d->adapter->msbc_probed = true;
d->adapter->has_msbc = false;
td->rfcomm->msbc_supported_by_hfp = false;
if (t->profile == SPA_BT_PROFILE_HFP_HF) {
td->rfcomm->hfp_ag_switching_codec = true;
rfcomm_send_reply(td->rfcomm, "+BCS: 1");
} else if (t->profile == SPA_BT_PROFILE_HFP_AG) {
rfcomm_send_cmd(td->rfcomm, "AT+BAC=1");
}
}
#endif
goto fail_close;
}
@ -1184,10 +1200,6 @@ static int sco_acquire_cb(void *data, bool optional)
spa_log_debug(backend->log, "transport %p: enter sco_acquire_cb", t);
#ifdef HAVE_BLUEZ_5_BACKEND_HFP_NATIVE
rfcomm_hfp_ag_set_cind(td->rfcomm, true);
#endif
if (optional || t->fd > 0)
sock = t->fd;
else
@ -1196,6 +1208,10 @@ static int sco_acquire_cb(void *data, bool optional)
if (sock < 0)
goto fail;
#ifdef HAVE_BLUEZ_5_BACKEND_HFP_NATIVE
rfcomm_hfp_ag_set_cind(td->rfcomm, true);
#endif
t->fd = sock;
/* Fallback value */