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hci: provide sco packet length and track voice settings for HAVE_SCO_TRANSPORT

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This commit is contained in:
Matthias Ringwald 2021-02-17 16:55:30 +01:00
parent cb70c5ab8f
commit 5b7087c754
1 changed files with 10 additions and 3 deletions
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13
src/hci.c
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@ -4730,7 +4730,7 @@ int hci_send_cmd_packet(uint8_t *packet, int size){
}
break;
#ifdef ENABLE_SCO_OVER_HCI
#if defined (ENABLE_SCO_OVER_HCI) || defined (HAVE_SCO_TRANSPORT)
case HCI_OPCODE_HCI_SETUP_SYNCHRONOUS_CONNECTION:
// setup_synchronous_connection? Voice setting at offset 22
// TODO: compare to current setting if sco connection already active
@ -6083,11 +6083,11 @@ static int hci_have_usb_transport(void){
*/
int hci_get_sco_packet_length(void){
int sco_packet_length = 0;
int multiplier;
#ifdef ENABLE_SCO_OVER_HCI
// Transparent = mSBC => 1, CVSD with 16-bit samples requires twice as much bytes
int multiplier = ((hci_stack->sco_voice_setting_active & 0x03) == 0x03) ? 1 : 2;
multiplier = ((hci_stack->sco_voice_setting_active & 0x03) == 0x03) ? 1 : 2;
if (hci_have_usb_transport()){
// see Core Spec for H2 USB Transfer.
@ -6103,6 +6103,13 @@ int hci_get_sco_packet_length(void){
}
}
#endif
#ifdef HAVE_SCO_TRANSPORT
// Transparent = mSBC => 1, CVSD with 16-bit samples requires twice as much bytes
multiplier = ((hci_stack->sco_voice_setting_active & 0x03) == 0x03) ? 1 : 2;
sco_packet_length = 3 + 60 * multiplier;
#endif
return sco_packet_length;
}