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bluez5: backend-native: Check volume values

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The value from +VGM/+VGS AT commands or events should be between 0 than 15.
This commit is contained in:
Frédéric Danis 2021-02-17 18:41:24 +01:00 • committed by Wim Taymans
parent 930b411075
commit 7a5a944704
1 changed files with 55 additions and 13 deletions
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44
spa/plugins/bluez5/backend-native.c
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@ -199,6 +199,8 @@ static void rfcomm_send_reply(struct spa_source *source, char *data)
#ifdef HAVE_BLUEZ_5_BACKEND_HSP_NATIVE
static bool rfcomm_hsp_ag(struct spa_source *source, char* buf)
{
struct rfcomm *rfcomm = source->data;
struct spa_bt_backend *backend = rfcomm->backend;
unsigned int gain, dummy;
/* There are only three HSP AT commands:
@ -206,11 +208,21 @@ static bool rfcomm_hsp_ag(struct spa_source *source, char* buf)
* AT+VGM=value: value between 0 and 15, sent by the HS to AG to set the microphone gain.
* AT+CKPD=200: Sent by HS when headset button is pressed. */
if (sscanf(buf, "AT+VGS=%d", &gain) == 1) {
if (gain <= 15) {
/* t->speaker_gain = gain; */
rfcomm_send_reply(source, "OK");
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGS gain: %s", buf);
rfcomm_send_reply(source, "ERROR");
}
} else if (sscanf(buf, "AT+VGM=%d", &gain) == 1) {
if (gain <= 15) {
/* t->microphone_gain = gain; */
rfcomm_send_reply(source, "OK");
} else {
rfcomm_send_reply(source, "ERROR");
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGM gain: %s", buf);
}
} else if (sscanf(buf, "AT+CKPD=%d", &dummy) == 1) {
rfcomm_send_reply(source, "OK");
} else {
@ -222,6 +234,8 @@ static bool rfcomm_hsp_ag(struct spa_source *source, char* buf)
static bool rfcomm_hsp_hs(struct spa_source *source, char* buf)
{
struct rfcomm *rfcomm = source->data;
struct spa_bt_backend *backend = rfcomm->backend;
unsigned int gain;
/* There are only three HSP AT result codes:
@ -232,9 +246,17 @@ static bool rfcomm_hsp_hs(struct spa_source *source, char* buf)
* RING: Sent by AG to HS to notify of an incoming call. It can safely be ignored because
* it does not expect a reply. */
if (sscanf(buf, "\r\n+VGS=%d\r\n", &gain) == 1) {
if (gain <= 15) {
/* t->microphone_gain = gain; */
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGS gain: %s", buf);
}
} else if (sscanf(buf, "\r\n+VGM=%d\r\n", &gain) == 1) {
if (gain <= 15) {
/* t->speaker_gain = gain; */
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGM gain: %s", buf);
}
}
return true;
@ -420,11 +442,21 @@ static bool rfcomm_hfp_ag(struct spa_source *source, char* buf)
}
rfcomm_send_reply(source, "OK");
} else if (sscanf(buf, "AT+VGM=%u", &gain) == 1) {
if (gain <= 15) {
/* t->microphone_gain = gain; */
rfcomm_send_reply(source, "OK");
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGM gain: %s", buf);
rfcomm_send_reply(source, "ERROR");
}
} else if (sscanf(buf, "AT+VGS=%u", &gain) == 1) {
if (gain <= 15) {
/* t->speaker_gain = gain; */
rfcomm_send_reply(source, "OK");
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGS gain: %s", buf);
rfcomm_send_reply(source, "ERROR");
}
} else {
return false;
}
@ -437,7 +469,7 @@ static bool rfcomm_hfp_hf(struct spa_source *source, char* buf)
struct rfcomm *rfcomm = source->data;
struct spa_bt_backend *backend = rfcomm->backend;
unsigned int features;
unsigned int SPA_UNUSED gain;
unsigned int gain;
unsigned int selected_codec;
char* token;
char separators[] = "\r\n:";
@ -491,12 +523,22 @@ static bool rfcomm_hfp_hf(struct spa_source *source, char* buf)
/* get next token */
token = strtok(NULL, separators);
gain = atoi(token);
if (gain <= 15) {
/* t->speaker_gain = gain; */
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGM gain: %s", token);
}
} else if (strncmp(token, "+VGS", 4) == 0) {
/* get next token */
token = strtok(NULL, separators);
gain = atoi(token);
if (gain <= 15) {
/* t->microphone_gain = gain; */
} else {
spa_log_debug(backend->log, NAME": RFCOMM receive unsupported VGS gain: %s", token);
}
} else if (strncmp(token, "OK", 5) == 0) {
switch(rfcomm->hf_state) {
case hfp_hf_brsf: