mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-11 03:47:01 +00:00
Code Issues Packages Projects Releases Wiki Activity
a0ed80bdc9
btstack/test/avdtp/avdtp_source_demo.c
Milanka Ringwald a0ed80bdc9 move config to stream endpoint
2017-04-18 10:51:31 +02:00

641 lines
28 KiB
C
Raw Blame History

/*
* Copyright (C) 2016 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include "btstack_config.h"
#include "btstack_debug.h"
#include "btstack_event.h"
#include "btstack_memory.h"
#include "btstack_run_loop.h"
#include "gap.h"
#include "hci.h"
#include "hci_cmd.h"
#include "hci_dump.h"
#include "l2cap.h"
#include "stdin_support.h"
#include "avdtp_source.h"
#include "btstack_sbc.h"
#include "sbc_encoder.h"
#include "avdtp_util.h"
#include "hxcmod.h"
#include "mod.h"
#define NUM_CHANNELS 2
#define SAMPLE_RATE 44100
#define BYTES_PER_AUDIO_SAMPLE (2*NUM_CHANNELS)
#define LATENCY 300 // ms
#ifndef M_PI
#define M_PI 3.14159265
#endif
#define TABLE_SIZE_441HZ 100
typedef struct {
// to app
uint32_t fill_audio_ring_buffer_timeout_ms;
uint32_t time_audio_data_sent; // ms
uint32_t acc_num_missed_samples;
uint32_t samples_ready;
btstack_timer_source_t fill_audio_ring_buffer_timer;
btstack_ring_buffer_t sbc_ring_buffer;
btstack_sbc_encoder_state_t sbc_encoder_state;
int reconfigure;
int num_channels;
int sampling_frequency;
int channel_mode;
int block_length;
int subbands;
int allocation_method;
int min_bitpool_value;
int max_bitpool_value;
} avdtp_stream_endpoint_context_t;
typedef struct {
int16_t source[TABLE_SIZE_441HZ];
int left_phase;
int right_phase;
} paTestData;
static char * device_name = "A2DP Source BTstack";
// mac 2011: static bd_addr_t remote = {0x04, 0x0C, 0xCE, 0xE4, 0x85, 0xD3};
// pts: static bd_addr_t remote = {0x00, 0x1B, 0xDC, 0x08, 0x0A, 0xA5};
// mac 2013: static bd_addr_t remote = {0x84, 0x38, 0x35, 0x65, 0xd1, 0x15};
// phone 2013: static bd_addr_t remote = {0xD8, 0xBB, 0x2C, 0xDF, 0xF0, 0xF2};
// minijambox:
static bd_addr_t remote = {0x00, 0x21, 0x3c, 0xac, 0xf7, 0x38};
// head phones: static bd_addr_t remote = {0x00, 0x18, 0x09, 0x28, 0x50, 0x18};
// bt dongle: -u 02-04-01
// static bd_addr_t remote = {0x00, 0x15, 0x83, 0x5F, 0x9D, 0x46};
static uint16_t avdtp_cid = 0;
static uint8_t sdp_avdtp_source_service_buffer[150];
static avdtp_stream_endpoint_t * local_stream_endpoint;
static int next_remote_sep_index_to_query = -1;
static avdtp_sep_t * active_remote_sep = NULL;
static uint8_t media_sbc_codec_configuration[4];
static uint8_t sbc_samples_storage[44100*4];
static avdtp_stream_endpoint_context_t sc;
static paTestData sin_data;
static int hxcmod_initialized = 0;
static modcontext mod_context;
static tracker_buffer_state trkbuf;
static const char * avdtp_si_name[] = {
"ERROR",
"AVDTP_SI_DISCOVER",
"AVDTP_SI_GET_CAPABILITIES",
"AVDTP_SI_SET_CONFIGURATION",
"AVDTP_SI_GET_CONFIGURATION",
"AVDTP_SI_RECONFIGURE",
"AVDTP_SI_OPEN",
"AVDTP_SI_START",
"AVDTP_SI_CLOSE",
"AVDTP_SI_SUSPEND",
"AVDTP_SI_ABORT",
"AVDTP_SI_SECURITY_CONTROL",
"AVDTP_SI_GET_ALL_CAPABILITIES",
"AVDTP_SI_DELAY_REPORT"
};
typedef enum {
STREAM_SINE,
STREAM_MOD
} stream_data_source_t;
typedef enum {
AVDTP_APPLICATION_IDLE,
AVDTP_APPLICATION_CONNECTED,
AVDTP_APPLICATION_W2_DISCOVER_SEPS,
AVDTP_APPLICATION_W2_GET_CAPABILITIES,
AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES,
AVDTP_APPLICATION_W2_SET_CONFIGURATION,
AVDTP_APPLICATION_W4_GET_CONFIGURATION,
AVDTP_APPLICATION_W4_SET_CONFIGURATION,
AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID,
AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID,
AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID,
AVDTP_APPLICATION_W4_OPEN_STREAM_WITH_SEID,
AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID,
AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID,
AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID,
AVDTP_APPLICATION_W2_GET_CONFIGURATION,
AVDTP_APPLICATION_STREAMING_OPENED
} avdtp_application_state_t;
avdtp_application_state_t app_state = AVDTP_APPLICATION_IDLE;
stream_data_source_t data_source = STREAM_SINE;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static const char * avdtp_si2str(uint16_t index){
if (index <= 0 || index > sizeof(avdtp_si_name)) return avdtp_si_name[0];
return avdtp_si_name[index];
}
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(channel);
UNUSED(size);
bd_addr_t event_addr;
uint8_t signal_identifier;
uint8_t status;
avdtp_sep_t sep;
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Pin code request - using '0000'\n");
hci_event_pin_code_request_get_bd_addr(packet, event_addr);
hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
// connection closed -> quit test app
printf("\n --- avdtp source --- HCI_EVENT_DISCONNECTION_COMPLETE ---\n");
break;
case HCI_EVENT_AVDTP_META:
switch (packet[2]){
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
status = avdtp_subevent_signaling_connection_established_get_status(packet);
if (status != 0){
printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION could not be established, status %d ---\n", status);
break;
}
active_remote_sep = NULL;
next_remote_sep_index_to_query = -1;
app_state = AVDTP_APPLICATION_CONNECTED;
printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED, avdtp cid 0x%02x ---\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
status = avdtp_subevent_streaming_connection_established_get_status(packet);
if (status != 0){
printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION could not be established, status %d ---\n", status);
break;
}
app_state = AVDTP_APPLICATION_STREAMING_OPENED;
printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED ---\n");
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
if (app_state != AVDTP_APPLICATION_W2_DISCOVER_SEPS) return;
sep.seid = avdtp_subevent_signaling_sep_found_get_seid(packet);
sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet);
sep.media_type = avdtp_subevent_signaling_sep_found_get_media_type(packet);
sep.type = avdtp_subevent_signaling_sep_found_get_sep_type(packet);
printf(" --- avdtp source --- Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n", sep.seid, sep.in_use, sep.media_type, sep.type);
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:{
avdtp_initialize_sbc_configuration_storage(local_stream_endpoint, media_sbc_codec_configuration, sizeof(media_sbc_codec_configuration), packet, size);
active_remote_sep = avdtp_source_remote_sep(avdtp_cid, next_remote_sep_index_to_query);
app_state = AVDTP_APPLICATION_W2_SET_CONFIGURATION;
break;
}
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
printf(" --- avdtp source --- received non SBC codec. not implemented\n");
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_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);
switch (avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet)){
case AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS:
sc.allocation_method = SBC_LOUDNESS;
break;
case AVDTP_SBC_ALLOCATION_METHOD_SNR:
sc.allocation_method = SBC_SNR;
break;
}
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);
break;
}
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet);
status = avdtp_subevent_signaling_accept_get_status(packet);
printf(" --- avdtp source --- Accepted %d %s, app state %d\n", signal_identifier, avdtp_si2str(signal_identifier), app_state);
switch (app_state){
case AVDTP_APPLICATION_W2_DISCOVER_SEPS:
app_state = AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES;
next_remote_sep_index_to_query = 0;
printf(" --- avdtp source --- Query get caps for seid %d\n", avdtp_source_remote_sep(avdtp_cid, next_remote_sep_index_to_query)->seid);
avdtp_source_get_capabilities(avdtp_cid, avdtp_source_remote_sep(avdtp_cid, next_remote_sep_index_to_query)->seid);
break;
case AVDTP_APPLICATION_W2_GET_CAPABILITIES:
case AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES:
if (next_remote_sep_index_to_query < avdtp_source_remote_seps_num(avdtp_cid) - 1){
next_remote_sep_index_to_query++;
printf(" --- avdtp source --- Query get caps for seid %d\n", avdtp_source_remote_sep(avdtp_cid, next_remote_sep_index_to_query)->seid);
avdtp_source_get_capabilities(avdtp_cid, avdtp_source_remote_sep(avdtp_cid, next_remote_sep_index_to_query)->seid);
} else {
printf(" --- avdtp source --- Cannot query get caps, index %d\n", next_remote_sep_index_to_query);
app_state = AVDTP_APPLICATION_IDLE;
}
break;
case AVDTP_APPLICATION_W2_SET_CONFIGURATION:
app_state = AVDTP_APPLICATION_W2_GET_CONFIGURATION;
avdtp_source_set_configuration(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid, local_stream_endpoint->remote_configuration_bitmap, local_stream_endpoint->remote_configuration);
break;
case AVDTP_APPLICATION_W2_GET_CONFIGURATION:
app_state = AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID;
avdtp_source_get_configuration(avdtp_cid, active_remote_sep->seid);
break;
case AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID:
app_state = AVDTP_APPLICATION_W4_OPEN_STREAM_WITH_SEID;
btstack_sbc_encoder_init(&sc.sbc_encoder_state, SBC_MODE_STANDARD,
sc.block_length, sc.subbands,
sc.allocation_method, sc.sampling_frequency,
sc.max_bitpool_value);
avdtp_source_open_stream(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid);
break;
case AVDTP_APPLICATION_STREAMING_OPENED:
switch (signal_identifier){
case AVDTP_SI_START:
break;
case AVDTP_SI_CLOSE:
break;
case AVDTP_SI_SUSPEND:
break;
case AVDTP_SI_ABORT:
break;
default:
break;
}
break;
default:
app_state = AVDTP_APPLICATION_IDLE;
break;
}
break;
case AVDTP_SUBEVENT_SIGNALING_REJECT:
app_state = AVDTP_APPLICATION_IDLE;
signal_identifier = avdtp_subevent_signaling_reject_get_signal_identifier(packet);
printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier));
break;
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
app_state = AVDTP_APPLICATION_IDLE;
signal_identifier = avdtp_subevent_signaling_general_reject_get_signal_identifier(packet);
printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier));
break;
case AVDTP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW: {
avdtp_source_stream_send_media_payload(local_stream_endpoint->l2cap_media_cid, &sc.sbc_ring_buffer, 0);
if (btstack_ring_buffer_bytes_available(&sc.sbc_ring_buffer)){
avdtp_source_stream_endpoint_request_can_send_now(local_stream_endpoint);
}
break;
}
default:
app_state = AVDTP_APPLICATION_IDLE;
printf(" --- avdtp source --- not implemented\n");
break;
}
break;
default:
break;
}
break;
default:
// other packet type
break;
}
}
static void show_usage(void){
bd_addr_t iut_address;
gap_local_bd_addr(iut_address);
printf("\n--- Bluetooth AVDTP SOURCE Test Console %s ---\n", bd_addr_to_str(iut_address));
printf("c - create connection to addr %s\n", bd_addr_to_str(remote));
printf("C - disconnect\n");
printf("d - discover stream endpoints\n");
if (!active_remote_sep){
printf("Ctrl-c - exit\n");
printf("---\n");
return;
}
printf("m - start stream with %d\n", active_remote_sep->seid);
printf("x - start streaming sine\n");
if (hxcmod_initialized){
printf("z - start streaming '%s'\n", mod_name);
}
printf("X - stop streaming\n");
printf("A - abort stream with %d\n", active_remote_sep->seid);
printf("S - stop stream with %d\n", active_remote_sep->seid);
printf("P - suspend stream with %d\n", active_remote_sep->seid);
printf("Ctrl-c - exit\n");
printf("---\n");
}
static uint8_t media_sbc_codec_capabilities[] = {
0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
2, 53
};
static void produce_sine_audio(int16_t * pcm_buffer, void *user_data, int num_samples_to_write){
paTestData *data = (paTestData*)user_data;
int count;
for (count = 0; count < num_samples_to_write ; count++){
pcm_buffer[count * 2] = data->source[data->left_phase];
pcm_buffer[count * 2 + 1] = data->source[data->right_phase];
data->left_phase += 1;
if (data->left_phase >= TABLE_SIZE_441HZ){
data->left_phase -= TABLE_SIZE_441HZ;
}
data->right_phase += 1;
if (data->right_phase >= TABLE_SIZE_441HZ){
data->right_phase -= TABLE_SIZE_441HZ;
}
}
}
static void produce_mod_audio(int16_t * pcm_buffer, int num_samples_to_write){
hxcmod_fillbuffer(&mod_context, (unsigned short *) &pcm_buffer[0], num_samples_to_write, &trkbuf);
}
static void produce_audio(int16_t * pcm_buffer, int num_samples){
switch (data_source){
case STREAM_SINE:
produce_sine_audio(pcm_buffer, &sin_data, num_samples);
break;
case STREAM_MOD:
produce_mod_audio(pcm_buffer, num_samples);
break;
}
}
static int fill_sbc_ring_buffer(void){
// performe sbc encoding
int total_num_bytes_read = 0;
int num_audio_samples_per_sbc_buffer = btstack_sbc_encoder_num_audio_frames();
// int audio_bytes_to_read = num_audio_samples_per_sbc_buffer * BYTES_PER_AUDIO_SAMPLE;
while (sc.samples_ready >= num_audio_samples_per_sbc_buffer
&& btstack_ring_buffer_bytes_free(&sc.sbc_ring_buffer) >= btstack_sbc_encoder_sbc_buffer_length()){
uint8_t pcm_frame[256*BYTES_PER_AUDIO_SAMPLE];
produce_audio((int16_t *) pcm_frame, num_audio_samples_per_sbc_buffer);
btstack_sbc_encoder_process_data((int16_t *) pcm_frame);
uint16_t sbc_frame_size = btstack_sbc_encoder_sbc_buffer_length();
uint8_t * sbc_frame = btstack_sbc_encoder_sbc_buffer();
total_num_bytes_read += num_audio_samples_per_sbc_buffer;
if (btstack_ring_buffer_bytes_free(&sc.sbc_ring_buffer) >= sbc_frame_size ){
uint8_t size_buffer = sbc_frame_size;
btstack_ring_buffer_write(&sc.sbc_ring_buffer, &size_buffer, 1);
btstack_ring_buffer_write(&sc.sbc_ring_buffer, sbc_frame, sbc_frame_size);
} else {
printf("No space in sbc buffer\n");
}
}
return total_num_bytes_read;
}
static void avdtp_fill_audio_ring_buffer_timeout_handler(btstack_timer_source_t * timer){
UNUSED(timer);
btstack_run_loop_set_timer(&sc.fill_audio_ring_buffer_timer, sc.fill_audio_ring_buffer_timeout_ms); // 2 seconds timeout
btstack_run_loop_add_timer(&sc.fill_audio_ring_buffer_timer);
uint32_t now = btstack_run_loop_get_time_ms();
uint32_t update_period_ms = sc.fill_audio_ring_buffer_timeout_ms;
if (sc.time_audio_data_sent > 0){
update_period_ms = now - sc.time_audio_data_sent;
}
uint32_t num_samples = (update_period_ms * 44100) / 1000;
sc.acc_num_missed_samples += (update_period_ms * 44100) % 1000;
if (sc.acc_num_missed_samples >= 1000){
num_samples++;
sc.acc_num_missed_samples -= 1000;
}
sc.time_audio_data_sent = now;
sc.samples_ready += num_samples;
int total_num_bytes_read = fill_sbc_ring_buffer();
// schedule sending
if (total_num_bytes_read != 0){
avdtp_source_stream_endpoint_request_can_send_now(local_stream_endpoint);
}
}
static void avdtp_fill_audio_ring_buffer_timer_start(void){
btstack_run_loop_remove_timer(&sc.fill_audio_ring_buffer_timer);
btstack_run_loop_set_timer_handler(&sc.fill_audio_ring_buffer_timer, avdtp_fill_audio_ring_buffer_timeout_handler);
// btstack_run_loop_set_timer_context(&sc.fill_audio_ring_buffer_timer, stream_endpoint);
btstack_run_loop_set_timer(&sc.fill_audio_ring_buffer_timer, sc.fill_audio_ring_buffer_timeout_ms); // 50 ms timeout
btstack_run_loop_add_timer(&sc.fill_audio_ring_buffer_timer);
}
static void avdtp_fill_audio_ring_buffer_timer_stop(void){
btstack_run_loop_remove_timer(&sc.fill_audio_ring_buffer_timer);
}
static void avdtp_source_stream_data_start(void){
if (!avdtp_source_stream_endpoint_ready(local_stream_endpoint)) return;
avdtp_fill_audio_ring_buffer_timer_start();
}
static void avdtp_source_stream_data_stop(){
if (!avdtp_source_stream_endpoint_ready(local_stream_endpoint)) return;
avdtp_fill_audio_ring_buffer_timer_stop();
}
static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){
UNUSED(ds);
UNUSED(callback_type);
int cmd = btstack_stdin_read();
switch (cmd){
case 'c':
printf("Creating L2CAP Connection to %s, PSM_AVDTP\n", bd_addr_to_str(remote));
avdtp_source_connect(remote);
break;
case 'C':
printf("Disconnect not implemented\n");
avdtp_source_disconnect(avdtp_cid);
break;
case 'd':
app_state = AVDTP_APPLICATION_W2_DISCOVER_SEPS;
printf("Discover stream endpoints, cid 0x%02x \n", avdtp_cid);
avdtp_source_discover_stream_endpoints(avdtp_cid);
break;
default:
if (!active_remote_sep){
show_usage();
return;
}
break;
}
if (!active_remote_sep) return;
switch (cmd){
case 'f':
app_state = AVDTP_APPLICATION_W2_GET_CONFIGURATION;
avdtp_source_get_configuration(avdtp_cid, active_remote_sep->seid);
break;
case 'm':
app_state = AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID;
avdtp_source_start_stream(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid);
break;
case 'A':
app_state = AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID;
avdtp_source_abort_stream(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid);
break;
case 'S':
app_state = AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID;
avdtp_source_stop_stream(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid);
break;
case 'P':
app_state = AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID;
avdtp_source_suspend(avdtp_cid, local_stream_endpoint->sep.seid, active_remote_sep->seid);
break;
case 'x':
printf("Start streaming sine.\n");
data_source = STREAM_SINE;
avdtp_source_stream_data_start();
break;
case 'z':
printf("Start streaming '%s'.\n", mod_name);
data_source = STREAM_MOD;
avdtp_source_stream_data_start();
break;
case 'X':
printf("Stop streaming.\n");
avdtp_source_stream_data_stop();
break;
case '\n':
case '\r':
break;
default:
show_usage();
break;
}
}
int btstack_main(int argc, const char * argv[]);
int btstack_main(int argc, const char * argv[]){
UNUSED(argc);
(void)argv;
/* Register for HCI events */
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
l2cap_init();
// Initialize AVDTP Sink
avdtp_source_init();
avdtp_source_register_packet_handler(&packet_handler);
//#ifndef SMG_BI
local_stream_endpoint = avdtp_source_create_stream_endpoint(AVDTP_SOURCE, AVDTP_AUDIO);
local_stream_endpoint->sep.seid = 2;
avdtp_source_register_media_transport_category(local_stream_endpoint->sep.seid);
avdtp_source_register_media_codec_category(local_stream_endpoint->sep.seid, AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities));
//#endif
// uint8_t cp_type_lsb, uint8_t cp_type_msb, const uint8_t * cp_type_value, uint8_t cp_type_value_len
// avdtp_source_register_content_protection_category(seid, 2, 2, NULL, 0);
// Initialize SDP
sdp_init();
memset(sdp_avdtp_source_service_buffer, 0, sizeof(sdp_avdtp_source_service_buffer));
a2dp_source_create_sdp_record(sdp_avdtp_source_service_buffer, 0x10002, 1, NULL, NULL);
sdp_register_service(sdp_avdtp_source_service_buffer);
gap_set_local_name(device_name);
gap_discoverable_control(1);
gap_set_class_of_device(0x200408);
memset(sbc_samples_storage, 0, sizeof(sbc_samples_storage));
btstack_ring_buffer_init(&sc.sbc_ring_buffer, sbc_samples_storage, sizeof(sbc_samples_storage));
sc.fill_audio_ring_buffer_timeout_ms = 50;
/* initialise sinusoidal wavetable */
int i;
for (i=0; i<TABLE_SIZE_441HZ; i++){
sin_data.source[i] = sin(((double)i/(double)TABLE_SIZE_441HZ) * M_PI * 2.)*32767;
}
sin_data.left_phase = sin_data.right_phase = 0;
hxcmod_initialized = hxcmod_init(&mod_context);
if (hxcmod_initialized){
hxcmod_setcfg(&mod_context, 44100, 16, 1, 1, 1);
hxcmod_load(&mod_context, (void *) &mod_data, mod_len);
printf("loaded mod '%s', size %u\n", mod_name, mod_len);
}
// turn on!
hci_power_control(HCI_POWER_ON);
btstack_stdin_setup(stdin_process);
return 0;
}
Reference in New Issue View Git Blame Copy Permalink