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example/sco_demo_util: add sample rate to codec config

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This commit is contained in:
Matthias Ringwald 2023-03-01 11:54:27 +01:00
parent 08902725e5
commit 79cc780fc0
1 changed files with 11 additions and 6 deletions
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17
example/sco_demo_util.c
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@ -118,13 +118,12 @@ static int count_sent = 0;
static int count_received = 0;
#ifdef ENABLE_HFP_WIDE_BAND_SPEECH
#define MSBC_MAX_NUM_SAMPLES (16*8)
static btstack_sbc_decoder_state_t decoder_state;
#endif
static btstack_cvsd_plc_state_t cvsd_plc_state;
#define MAX_NUM_MSBC_SAMPLES (16*8)
int num_samples_to_write;
int num_audio_frames;
@ -134,7 +133,11 @@ typedef struct {
void(*receive)(const uint8_t * packet, uint16_t size);
void (*fill_payload)(uint8_t * payload_buffer, uint16_t sco_payload_length);
void (*close)(void);
//
uint16_t sample_rate;
} codec_support_t;
// current configuration
static const codec_support_t * codec_current = NULL;
// sine generator
@ -359,7 +362,8 @@ static const codec_support_t codec_cvsd = {
.init = &sco_demo_cvsd_init,
.receive = &sco_demo_cvsd_receive,
.fill_payload = &sco_demo_cvsd_fill_payload,
.close = &sco_demo_cvsd_close
.close = &sco_demo_cvsd_close,
.sample_rate = SAMPLE_RATE_8KHZ
};
// mSBC - 16 kHz
@ -414,9 +418,9 @@ static void sco_demo_msbc_receive(const uint8_t * packet, uint16_t size){
void sco_demo_msbc_fill_payload(uint8_t * payload_buffer, uint16_t sco_payload_length){
if (!audio_input_paused){
int num_samples = hfp_msbc_num_audio_samples_per_frame();
btstack_assert(num_samples <= MAX_NUM_MSBC_SAMPLES);
btstack_assert(num_samples <= MSBC_MAX_NUM_SAMPLES);
if (hfp_msbc_can_encode_audio_frame_now() && btstack_ring_buffer_bytes_available(&audio_input_ring_buffer) >= (unsigned int)(num_samples * BYTES_PER_FRAME)){
int16_t sample_buffer[MAX_NUM_MSBC_SAMPLES];
int16_t sample_buffer[MSBC_MAX_NUM_SAMPLES];
uint32_t bytes_read;
btstack_ring_buffer_read(&audio_input_ring_buffer, (uint8_t*) sample_buffer, num_samples * BYTES_PER_FRAME, &bytes_read);
hfp_msbc_encode_audio_frame(sample_buffer);
@ -443,7 +447,8 @@ static const codec_support_t codec_msbc = {
.init = &sco_demo_msbc_init,
.receive = &sco_demo_msbc_receive,
.fill_payload = &sco_demo_msbc_fill_payload,
.close = &sco_demo_msbc_close
.close = &sco_demo_msbc_close,
.sample_rate = SAMPLE_RATE_16KHZ
};
#endif /* ENABLE_HFP_WIDE_BAND_SPEECH */