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avdtp source demo: use configured sample rate

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This commit is contained in:
Milanka Ringwald 2017-12-22 23:15:08 +01:00
parent 74c22f758c
commit 63e0421ec0
2 changed files with 47 additions and 24 deletions
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14
test/pts/avdtp_sink_test.c
View File

@ -123,9 +123,9 @@ typedef struct {
} avdtp_media_codec_configuration_sbc_t;
// mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3";
// pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5";
// mac 2013:
static const char * device_addr_string = "84:38:35:65:d1:15";
// pts:
static const char * device_addr_string = "00:1B:DC:08:0A:A5";
// mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15";
// phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2";
// minijambox: static const char * device_addr_string = "00:21:3C:AC:F7:38";
// head phones: static const char * device_addr_string = "00:18:09:28:50:18";
@ -337,7 +337,7 @@ static int media_processing_init(avdtp_media_codec_configuration_sbc_t configura
static void media_processing_close(void){
if (is_media_initialized) return;
is_media_initialized = 0;
is_media_initialized = 0;
#ifdef STORE_SBC_TO_WAV_FILE
wav_writer_close();
@ -632,9 +632,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length;
dump_sbc_configuration(sbc_configuration);
if (sbc_configuration.reconfigure){
media_processing_close();
}
media_processing_close();
media_processing_init(sbc_configuration);
break;
}
@ -847,7 +845,7 @@ int btstack_main(int argc, const char * argv[]){
memset(sdp_avdtp_sink_service_buffer, 0, sizeof(sdp_avdtp_sink_service_buffer));
a2dp_sink_create_sdp_record(sdp_avdtp_sink_service_buffer, 0x10001, 1, NULL, NULL);
sdp_register_service(sdp_avdtp_sink_service_buffer);
// printf("BTstack AVDTP Sink, supported features 0x%04x\n", );
gap_set_local_name("BTstack AVDTP Sink PTS 00:00:00:00:00:00");
gap_discoverable_control(1);
gap_set_class_of_device(0x200408);

57
test/pts/avdtp_source_test.c
View File

@ -45,9 +45,9 @@
#include "btstack.h"
#define NUM_CHANNELS 2
#define A2DP_SAMPLE_RATE 44100
#define BYTES_PER_AUDIO_SAMPLE (2*NUM_CHANNELS)
// #define NUM_CHANNELS 2
// #define A2DP_SAMPLE_RATE 44100
// #define BYTES_PER_AUDIO_SAMPLE (2*NUM_CHANNELS)
#define AUDIO_TIMEOUT_MS 10
#define TABLE_SIZE_441HZ 100
#define AVDTP_MEDIA_PAYLOAD_HEADER_SIZE 12
@ -91,14 +91,14 @@ typedef struct {
#ifdef HAVE_BTSTACK_STDIN
// mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3";
// pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5";
// pts:
static const char * device_addr_string = "00:1B:DC:08:0A:A5";
// mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15";
// phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2";
// minijambox: static const char * device_addr_string = "00:21:3C:AC:F7:38";
// head phones: static const char * device_addr_string = "00:18:09:28:50:18";
// BT dongle: static const char * device_addr_string = "00:15:83:5F:9D:46";
// BT dongle:
static const char * device_addr_string = "00:1A:7D:DA:71:0A";
// BT dongle: static const char * device_addr_string = "00:1A:7D:DA:71:0A";
#endif
typedef struct {
@ -135,6 +135,15 @@ static uint8_t is_cmd_triggered_localy = 0;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static int bytes_per_audio_sample(void){
return sc.num_channels * 2;
}
static int a2dp_sample_rate(void){
return sc.sampling_frequency;
}
static void a2dp_source_setup_media_header(uint8_t * media_packet, int size, int *offset, uint8_t marker, uint16_t sequence_number){
if (size < AVDTP_MEDIA_PAYLOAD_HEADER_SIZE){
log_error("small outgoing buffer");
@ -235,11 +244,11 @@ static int fill_sbc_audio_buffer(a2dp_media_sending_context_t * context){
// perform sbc encodin
int total_num_bytes_read = 0;
int num_audio_samples_per_sbc_buffer = btstack_sbc_encoder_num_audio_frames();
// printf("num_audio_samples_per_sbc_buffer %d, btstack_sbc_encoder_sbc_buffer_length() %d\n", num_audio_samples_per_sbc_buffer, btstack_sbc_encoder_sbc_buffer_length());
while (context->samples_ready >= num_audio_samples_per_sbc_buffer
&& (context->max_media_payload_size - context->sbc_storage_count) >= btstack_sbc_encoder_sbc_buffer_length()){
uint8_t pcm_frame[256*BYTES_PER_AUDIO_SAMPLE];
uint8_t pcm_frame[ 256 * bytes_per_audio_sample()];
produce_sine_audio((int16_t *) pcm_frame, num_audio_samples_per_sbc_buffer);
btstack_sbc_encoder_process_data((int16_t *) pcm_frame);
@ -266,8 +275,8 @@ static void avdtp_audio_timeout_handler(btstack_timer_source_t * timer){
update_period_ms = now - context->time_audio_data_sent;
}
uint32_t num_samples = (update_period_ms * A2DP_SAMPLE_RATE) / 1000;
context->acc_num_missed_samples += (update_period_ms * A2DP_SAMPLE_RATE) % 1000;
uint32_t num_samples = (update_period_ms * a2dp_sample_rate()) / 1000;
context->acc_num_missed_samples += (update_period_ms * a2dp_sample_rate()) % 1000;
while (context->acc_num_missed_samples >= 1000){
num_samples++;
@ -394,6 +403,7 @@ static void initialize_sbc_encoder(void){
sc.block_length, sc.subbands,
sc.allocation_method, sc.sampling_frequency,
sc.max_bitpool_value, sc.channel_mode);
btstack_sbc_encoder_init(&sbc_encoder_state, SBC_MODE_STANDARD,
sc.block_length, sc.subbands,
sc.allocation_method, sc.sampling_frequency,
@ -526,12 +536,27 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length;
dump_sbc_configuration(sbc_configuration);
sc.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet);
sc.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet);
sc.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet);
sc.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet) - 1;
sc.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet);
// TODO: deal with reconfigure: avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet);
sc.block_length = sbc_configuration.block_length;
sc.subbands = sbc_configuration.subbands;
sc.allocation_method = sbc_configuration.allocation_method - 1;
sc.max_bitpool_value = sbc_configuration.max_bitpool_value;
sc.sampling_frequency = sbc_configuration.sampling_frequency;
sc.num_channels = 2;
switch (sbc_configuration.channel_mode){
case AVDTP_SBC_JOINT_STEREO:
sc.channel_mode = 3;
break;
case AVDTP_SBC_STEREO:
sc.channel_mode = 2;
break;
case AVDTP_SBC_DUAL_CHANNEL:
sc.channel_mode = 1;
break;
case AVDTP_SBC_MONO:
sc.channel_mode = 0;
sc.num_channels = 1;
break;
}
break;
}