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bluez5: implement basic CIND/CIEV support in backend-native

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Set HFP call indicator based on whether transport is acquired or not.
This commit is contained in:
Pauli Virtanen 2022-01-09 15:13:49 +02:00
parent 113ab31613
commit f92b0eee56
1 changed files with 42 additions and 2 deletions
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44
spa/plugins/bluez5/backend-native.c
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@ -137,6 +137,8 @@ struct rfcomm {
unsigned int msbc_supported_by_hfp:1;
unsigned int hfp_ag_switching_codec:1;
unsigned int hfp_ag_initial_codec_setup:2;
unsigned int cind_call_active:1;
unsigned int cind_call_notify:1;
enum hfp_hf_state hf_state;
enum hsp_hs_state hs_state;
unsigned int codec;
@ -676,6 +678,22 @@ static void process_hfp_hf_indicator(struct rfcomm *rfcomm, unsigned int indicat
}
}
static void rfcomm_hfp_ag_set_cind(struct rfcomm *rfcomm, bool call_active)
{
if (rfcomm->profile != SPA_BT_PROFILE_HFP_HF)
return;
if (call_active == rfcomm->cind_call_active)
return;
rfcomm->cind_call_active = call_active;
if (!rfcomm->cind_call_notify)
return;
rfcomm_send_reply(rfcomm, "+CIEV: 2,%d", rfcomm->cind_call_active);
}
static bool rfcomm_hfp_ag(struct rfcomm *rfcomm, char* buf)
{
struct impl *backend = rfcomm->backend;
@ -762,12 +780,20 @@ static bool rfcomm_hfp_ag(struct rfcomm *rfcomm, char* buf)
rfcomm_send_reply(rfcomm, "+CIND:(\"service\",(0-1)),(\"call\",(0-1)),(\"callsetup\",(0-3)),(\"callheld\",(0-2))");
rfcomm_send_reply(rfcomm, "OK");
} else if (spa_strstartswith(buf, "AT+CIND?")) {
rfcomm_send_reply(rfcomm, "+CIND: 0,0,0,0");
rfcomm_send_reply(rfcomm, "+CIND: 0,%d,0,0", rfcomm->cind_call_active);
rfcomm_send_reply(rfcomm, "OK");
} else if (spa_strstartswith(buf, "AT+CMER")) {
int mode, keyp, disp, ind;
rfcomm->slc_configured = true;
rfcomm_send_reply(rfcomm, "OK");
rfcomm->cind_call_active = false;
if (sscanf(buf, "AT+CMER= %d , %d , %d , %d", &mode, &keyp, &disp, &ind) == 4)
rfcomm->cind_call_notify = ind ? true : false;
else
rfcomm->cind_call_notify = false;
/* switch codec to mSBC by sending unsolicited +BCS message */
if (rfcomm->codec_negotiation_supported && rfcomm->msbc_supported_by_hfp) {
spa_log_debug(backend->log, "RFCOMM initial codec setup");
@ -785,7 +811,6 @@ static bool rfcomm_hfp_ag(struct rfcomm *rfcomm, char* buf)
rfcomm_emit_volume_changed(rfcomm, -1, SPA_BT_VOLUME_INVALID);
}
}
} else if (!rfcomm->slc_configured) {
spa_log_warn(backend->log, "RFCOMM receive command before SLC completed: %s", buf);
rfcomm_send_reply(rfcomm, "ERROR");
@ -829,6 +854,11 @@ static bool rfcomm_hfp_ag(struct rfcomm *rfcomm, char* buf)
rfcomm_send_reply(rfcomm, "OK");
if (was_switching_codec)
spa_bt_device_emit_codec_switched(rfcomm->device, 0);
} else if (spa_strstartswith(buf, "AT+BIA=")) {
/* We only support 'call' indicator, which HFP 4.35.1 defines as
always active (assuming CMER enabled it), so we don't need to
parse anything here. */
rfcomm_send_reply(rfcomm, "OK");
} else if (sscanf(buf, "AT+VGM=%u", &gain) == 1) {
if (gain <= SPA_BT_VOLUME_HS_MAX) {
if (!rfcomm->broken_mic_hw_volume)
@ -1172,12 +1202,17 @@ fail_close:
static int sco_acquire_cb(void *data, bool optional)
{
struct spa_bt_transport *t = data;
struct transport_data *td = t->user_data;
struct impl *backend = SPA_CONTAINER_OF(t->backend, struct impl, this);
int sock;
socklen_t len;
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
@ -1217,10 +1252,15 @@ fail:
static int sco_release_cb(void *data)
{
struct spa_bt_transport *t = data;
struct transport_data *td = t->user_data;
struct impl *backend = SPA_CONTAINER_OF(t->backend, struct impl, this);
spa_log_info(backend->log, "Transport %s released", t->path);
#ifdef HAVE_BLUEZ_5_BACKEND_HFP_NATIVE
rfcomm_hfp_ag_set_cind(td->rfcomm, false);
#endif
if (t->sco_io) {
spa_bt_sco_io_destroy(t->sco_io);
t->sco_io = NULL;