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sco_util: fallback to CVSD if no codec has been negotiated

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This commit is contained in:
Matthias Ringwald 2016-07-26 09:25:37 +02:00
parent 5fff3cef91
commit d76591ef8d
1 changed files with 15 additions and 3 deletions
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18
example/sco_demo_util.c
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@ -93,7 +93,7 @@ static int dump_data = 1;
static int phase = 0; static int phase = 0;
static int count_sent = 0; static int count_sent = 0;
static int count_received = 0; static int count_received = 0;
static uint8_t negotiated_codec = HFP_CODEC_CVSD; static uint8_t negotiated_codec = 0;
static int num_audio_frames = 0; static int num_audio_frames = 0;
FILE * msbc_file; FILE * msbc_file;
@ -384,10 +384,19 @@ static void sco_report(void){
printf("SCO: sent %u, received %u\n", count_sent, count_received); printf("SCO: sent %u, received %u\n", count_sent, count_received);
} }
static void sco_assert_codec_set(void){
// if SCO is open but we didn't hear about the codec yet, we fall back to CVSD
if (!negotiated_codec){
sco_demo_set_codec(HFP_CODEC_CVSD);
}
}
void sco_demo_send(hci_con_handle_t sco_handle){ void sco_demo_send(hci_con_handle_t sco_handle){
if (!sco_handle) return; if (!sco_handle) return;
sco_assert_codec_set();
const int sco_packet_length = 24 + 3; // hci_get_sco_packet_length(); const int sco_packet_length = 24 + 3; // hci_get_sco_packet_length();
const int sco_payload_length = sco_packet_length - 3; const int sco_payload_length = sco_packet_length - 3;
@ -406,7 +415,10 @@ void sco_demo_send(hci_con_handle_t sco_handle){
log_error("mSBC stream is empty."); log_error("mSBC stream is empty.");
} }
hfp_msbc_read_from_stream(sco_packet + 3, sco_payload_length); hfp_msbc_read_from_stream(sco_packet + 3, sco_payload_length);
fwrite(sco_packet + 3, sco_payload_length, 1, msbc_file); if (msbc_file){
// log outgoing mSBC data for testing
fwrite(sco_packet + 3, sco_payload_length, 1, msbc_file);
}
sco_demo_fill_audio_frame(); sco_demo_fill_audio_frame();
} else { } else {
@ -438,12 +450,12 @@ void sco_demo_send(hci_con_handle_t sco_handle){
if ((count_sent % SCO_REPORT_PERIOD) == 0) sco_report(); if ((count_sent % SCO_REPORT_PERIOD) == 0) sco_report();
} }
/** /**
* @brief Process received data * @brief Process received data
*/ */
void sco_demo_receive(uint8_t * packet, uint16_t size){ void sco_demo_receive(uint8_t * packet, uint16_t size){
sco_assert_codec_set();
dump_data = 1; dump_data = 1;