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btstack/test/pts/avdtp_source_test.c
Matthias Ringwald dffbc68c3c pts/avdtp_source_test: map AOT_MP2_AAC_LC -> AOT_AAC_LC
2021-03-07 21:55:37 +01:00

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/*
* 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
*
*/
#define BTSTACK_FILE__ "avdtp_source_test.c"
/*
* avdtp_source_test.c : Tool for testig AVDTP source with PTS, see avdtp_source_test.md and a2dp_source.md for PTS tests command sequences
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "btstack.h"
#ifdef HAVE_AAC_FDK
#include <fdk-aac/aacenc_lib.h>
#endif
#ifdef HAVE_LDAC_ENCODER
#include <ldac/ldacBT.h>
#endif
#define A2DP_CODEC_VENDOR_ID_SONY 0x12d
#define A2DP_SONY_CODEC_LDAC 0xaa
#ifdef HAVE_APTX
#include <openaptx.h>
#endif
#define A2DP_CODEC_VENDOR_ID_APT_LTD 0x4f
#define A2DP_CODEC_VENDOR_ID_QUALCOMM 0xd7
#define A2DP_APT_LTD_CODEC_APTX 0x1
#define A2DP_QUALCOMM_CODEC_APTX_HD 0x24
#define AVDTP_MAX_SEP_NUM 10
#define AVDTP_MAX_MEDIA_CODEC_CONFIG_LEN 16
#define AVDTP_MAX_MEDIA_CODEC_CAPABILITES_EVENT_LEN 100
#define VOLUME_REDUCTION 2
#define AUDIO_TIMEOUT_MS 5
#define TABLE_SIZE_441HZ 100
static const int16_t sine_int16[] = {
0, 2057, 4107, 6140, 8149, 10126, 12062, 13952, 15786, 17557,
19260, 20886, 22431, 23886, 25247, 26509, 27666, 28714, 29648, 30466,
31163, 31738, 32187, 32509, 32702, 32767, 32702, 32509, 32187, 31738,
31163, 30466, 29648, 28714, 27666, 26509, 25247, 23886, 22431, 20886,
19260, 17557, 15786, 13952, 12062, 10126, 8149, 6140, 4107, 2057,
0, -2057, -4107, -6140, -8149, -10126, -12062, -13952, -15786, -17557,
-19260, -20886, -22431, -23886, -25247, -26509, -27666, -28714, -29648, -30466,
-31163, -31738, -32187, -32509, -32702, -32767, -32702, -32509, -32187, -31738,
-31163, -30466, -29648, -28714, -27666, -26509, -25247, -23886, -22431, -20886,
-19260, -17557, -15786, -13952, -12062, -10126, -8149, -6140, -4107, -2057,
};
typedef struct {
// bitmaps
uint8_t sampling_frequency_bitmap;
uint8_t channel_mode_bitmap;
uint8_t block_length_bitmap;
uint8_t subbands_bitmap;
uint8_t allocation_method_bitmap;
uint8_t min_bitpool_value;
uint8_t max_bitpool_value;
} media_codec_information_sbc_t;
typedef struct {
int reconfigure;
int num_channels;
int sampling_frequency;
int block_length;
int subbands;
int min_bitpool_value;
int max_bitpool_value;
int channel_mode;
int allocation_method;
} avdtp_media_codec_configuration_sbc_t;
typedef struct {
int reconfigure;
int sampling_frequency_bitmap;
int object_type_bitmap;
int bit_rate;
int channels_bitmap;
int vbr;
} avdtp_media_codec_capabilities_aac_t;
typedef struct {
int reconfigure;
int channel_mode;
int num_channels;
int num_samples;
int sampling_frequency;
} avdtp_media_codec_configuration_ldac_t;
typedef struct {
int reconfigure;
int channel_mode;
int num_channels;
int sampling_frequency;
} avdtp_media_codec_configuration_aptx_t;
#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:E2:72";
// 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";
static const char * device_addr_string = "00:1B:DC:08:E2:5C";
#endif
typedef struct {
uint16_t avdtp_cid;
uint8_t local_seid;
uint8_t remote_seid;
uint32_t time_audio_data_sent; // ms
uint32_t acc_num_missed_samples;
uint32_t samples_ready;
btstack_timer_source_t audio_timer;
uint8_t streaming;
int max_media_payload_size;
uint8_t codec_storage[1030];
uint16_t codec_storage_count;
uint8_t codec_ready_to_send;
uint16_t codec_num_frames;
} a2dp_media_sending_context_t;
#ifdef HAVE_AAC_FDK
static HANDLE_AACENCODER handleAAC;
static AACENC_InfoStruct aacinf;
#endif
#ifdef HAVE_LDAC_ENCODER
HANDLE_LDAC_BT handleLDAC;
#endif
static struct aptx_context *aptx_handle;
static a2dp_media_sending_context_t media_tracker;
static int current_sample_rate = 44100;
static bd_addr_t device_addr;
static int sine_phase;
static uint8_t sdp_avdtp_source_service_buffer[150];
static uint16_t num_remote_seps;
static uint16_t media_codec_config_len;
static uint8_t media_codec_config_data[AVDTP_MAX_MEDIA_CODEC_CONFIG_LEN];
static struct {
avdtp_sep_t sep;
bool have_media_codec_apabilities;
uint8_t media_codec_event[AVDTP_MAX_MEDIA_CODEC_CAPABILITES_EVENT_LEN];
} remote_seps[AVDTP_MAX_SEP_NUM];
static uint8_t selected_remote_sep_index;
static struct {
avdtp_stream_endpoint_t * local_stream_endpoint;
uint32_t sampling_frequency;
} sc;
static btstack_sbc_encoder_state_t sbc_encoder_state;
static uint8_t is_cmd_triggered_localy = 0;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static const 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
};
#ifdef HAVE_AAC_FDK
static uint8_t media_aac_codec_capabilities[] = {
0xF0,
0xFF,
0xFC,
0x80,
0,
0
};
#endif
static uint8_t media_ldac_codec_capabilities[] = {
0x2D, 0x1, 0x0, 0x0,
0xAA, 0,
0x3C,
0x7
};
static uint8_t media_aptx_codec_capabilities[] = {
0x4F, 0x0, 0x0, 0x0,
0x1, 0,
0xFF,
};
static uint8_t media_aptxhd_codec_capabilities[] = {
0xD7, 0x0, 0x0, 0x0,
0x24, 0,
0xFF,
0, 0, 0, 0
};
// configurations for local stream endpoints
static uint8_t local_stream_endpoint_sbc_media_codec_configuration[4];
#ifdef HAVE_AAC_FDK
static uint8_t local_stream_endpoint_aac_media_codec_configuration[6];
#endif
static uint8_t local_stream_endpoint_ldac_media_codec_configuration[8];
static avdtp_media_codec_configuration_ldac_t ldac_configuration;
static uint8_t local_stream_endpoint_aptx_media_codec_configuration[7];
static avdtp_media_codec_configuration_aptx_t aptx_configuration;
static uint8_t local_stream_endpoint_aptxhd_media_codec_configuration[11];
static avdtp_media_codec_configuration_aptx_t aptxhd_configuration;
static int a2dp_sample_rate(void){
return current_sample_rate;
}
static void configure_sample_rate(int sampling_frequency){
switch (sampling_frequency){
case AVDTP_SBC_48000:
current_sample_rate = 48000;
break;
case AVDTP_SBC_44100:
current_sample_rate = 44100;
break;
case AVDTP_SBC_32000:
current_sample_rate = 32000;
break;
case AVDTP_SBC_16000:
current_sample_rate = 16000;
break;
default:
break;
}
media_tracker.codec_storage_count = 0;
media_tracker.samples_ready = 0;
}
static const char * codec_name_for_type(avdtp_media_codec_type_t codec_type){
switch (codec_type){
case AVDTP_CODEC_SBC: return "SBC";
case AVDTP_CODEC_MPEG_1_2_AUDIO: return "MPEG_1_2_AUDIO";
case AVDTP_CODEC_MPEG_2_4_AAC: return "MPEG_2_4_AAC";
case AVDTP_CODEC_ATRAC_FAMILY: return "ATRAC_FAMILY";
case AVDTP_CODEC_NON_A2DP: return "NON_A2DP/Vendor";
default: return "Unknown";
}
}
static void a2dp_demo_send_media_packet_sbc(void){
int num_bytes_in_frame = btstack_sbc_encoder_sbc_buffer_length();
int bytes_in_storage = media_tracker.codec_storage_count;
uint8_t num_frames = bytes_in_storage / num_bytes_in_frame;
avdtp_source_stream_send_media_payload(media_tracker.avdtp_cid, media_tracker.local_seid, media_tracker.codec_storage, bytes_in_storage, num_frames, 0);
media_tracker.codec_storage_count = 0;
media_tracker.codec_ready_to_send = 0;
}
static void a2dp_demo_send_media_packet_aac(void) {
int bytes_to_send;
if (media_tracker.codec_storage_count > media_tracker.max_media_payload_size)
bytes_to_send = media_tracker.max_media_payload_size;
else
bytes_to_send = media_tracker.codec_storage_count;
a2dp_source_stream_send_media_payload_rtp(media_tracker.avdtp_cid, media_tracker.local_seid, 0, media_tracker.codec_storage, bytes_to_send);
media_tracker.codec_storage_count -= bytes_to_send;
memcpy(media_tracker.codec_storage, &media_tracker.codec_storage[bytes_to_send], media_tracker.codec_storage_count);
media_tracker.codec_ready_to_send = 0;
}
static void a2dp_demo_send_media_packet_ldac(void) {
uint8_t num_frames = media_tracker.codec_num_frames;
media_tracker.codec_storage[0] = num_frames; // frames in first byte
a2dp_source_stream_send_media_payload_rtp(media_tracker.avdtp_cid, media_tracker.local_seid, 0, media_tracker.codec_storage, media_tracker.codec_storage_count);
media_tracker.codec_storage_count = 0;
media_tracker.codec_ready_to_send = 0;
}
static void a2dp_send_aptx(void) {
a2dp_source_stream_send_media_packet(media_tracker.avdtp_cid, media_tracker.local_seid, media_tracker.codec_storage, media_tracker.codec_storage_count);
media_tracker.codec_storage_count = 0;
media_tracker.codec_ready_to_send = 0;
}
static void a2dp_send_aptx_hd(void) {
a2dp_source_stream_send_media_payload_rtp(media_tracker.avdtp_cid, media_tracker.local_seid, 0, media_tracker.codec_storage, media_tracker.codec_storage_count);
media_tracker.codec_storage_count = 0;
media_tracker.codec_ready_to_send = 0;
}
static uint32_t get_vendor_id(const uint8_t *codec_info) {
uint32_t vendor_id = 0;
vendor_id |= codec_info[0];
vendor_id |= codec_info[1] << 8;
vendor_id |= codec_info[2] << 16;
vendor_id |= codec_info[3] << 24;
return vendor_id;
}
static uint16_t get_codec_id(const uint8_t *codec_info) {
uint16_t codec_id = 0;
codec_id |= codec_info[4];
codec_id |= codec_info[5] << 8;
return codec_id;
}
static void a2dp_demo_send_media_packet(void) {
adtvp_media_codec_capabilities_t local_cap;
switch (remote_seps[selected_remote_sep_index].sep.capabilities.media_codec.media_codec_type){
case AVDTP_CODEC_SBC:
a2dp_demo_send_media_packet_sbc();
break;
case AVDTP_CODEC_MPEG_2_4_AAC:
a2dp_demo_send_media_packet_aac();
break;
case AVDTP_CODEC_NON_A2DP:
local_cap = sc.local_stream_endpoint->sep.capabilities.media_codec;
uint32_t local_vendor_id = get_vendor_id(local_cap.media_codec_information);
uint16_t local_codec_id = get_codec_id(local_cap.media_codec_information);
if (local_vendor_id == A2DP_CODEC_VENDOR_ID_SONY && local_codec_id == A2DP_SONY_CODEC_LDAC)
a2dp_demo_send_media_packet_ldac();
else if (local_vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && local_codec_id == A2DP_APT_LTD_CODEC_APTX)
a2dp_send_aptx();
else if (local_vendor_id == A2DP_CODEC_VENDOR_ID_QUALCOMM && local_codec_id == A2DP_QUALCOMM_CODEC_APTX_HD)
a2dp_send_aptx_hd();
break;
default:
// TODO:
printf("Send media payload for %s not implemented yet\n", codec_name_for_type(sc.local_stream_endpoint->media_codec_type));
break;
}
}
static void produce_sine_audio(int16_t * pcm_buffer, int num_samples_to_write){
int count;
for (count = 0; count < num_samples_to_write ; count++){
pcm_buffer[count * 2] = sine_int16[sine_phase] >> VOLUME_REDUCTION;
pcm_buffer[count * 2 + 1] = sine_int16[sine_phase] >> VOLUME_REDUCTION;
sine_phase++;
if (sine_phase >= TABLE_SIZE_441HZ){
sine_phase -= TABLE_SIZE_441HZ;
}
}
}
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();
while (context->samples_ready >= num_audio_samples_per_sbc_buffer
&& (context->max_media_payload_size - context->codec_storage_count) >= btstack_sbc_encoder_sbc_buffer_length()){
// uint8_t pcm_frame[ 256 * bytes_per_audio_sample()];
int16_t pcm_frame[256*2];
produce_sine_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;
memcpy(&context->codec_storage[context->codec_storage_count], sbc_frame, sbc_frame_size);
context->codec_storage_count += sbc_frame_size;
context->samples_ready -= num_audio_samples_per_sbc_buffer;
}
return total_num_bytes_read;
}
#ifdef HAVE_AAC_FDK
static int fill_aac_audio_buffer(a2dp_media_sending_context_t *context) {
int total_samples_read = 0;
unsigned int num_audio_samples_per_aac_buffer = aacinf.frameLength;
btstack_assert(num_audio_samples_per_aac_buffer <= 1024);
int16_t pcm_frame[2048];
unsigned required_bytes = num_audio_samples_per_aac_buffer * aacinf.inputChannels;
AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 };
AACENC_InArgs in_args = { 0 };
AACENC_OutArgs out_args = { 0 };
int in_identifier = IN_AUDIO_DATA;
int in_size, in_elem_size;
int out_identifier = OUT_BITSTREAM_DATA;
int out_size, out_elem_size;
void *in_ptr, *out_ptr;
in_ptr = pcm_frame;
in_size = required_bytes;
in_elem_size = 2;
in_buf.numBufs = 1;
in_buf.bufs = &in_ptr;
in_buf.bufferIdentifiers = &in_identifier;
in_buf.bufSizes = &in_size;
in_buf.bufElSizes = &in_elem_size;
out_elem_size = 1;
out_buf.numBufs = 1;
out_buf.bufs = &out_ptr;
out_buf.bufferIdentifiers = &out_identifier;
out_buf.bufSizes = &out_size;
out_buf.bufElSizes = &out_elem_size;
while (context->samples_ready >= num_audio_samples_per_aac_buffer &&
(context->max_media_payload_size - context->codec_storage_count) > 0) {
produce_sine_audio((int16_t *) pcm_frame, num_audio_samples_per_aac_buffer);
in_args.numInSamples = required_bytes;
out_ptr = &context->codec_storage[context->codec_storage_count];
out_size = sizeof(context->codec_storage) - context->codec_storage_count;
out_buf.bufs = &out_ptr;
out_buf.bufSizes = &out_size;
AACENC_ERROR err;
if ((err = aacEncEncode(handleAAC, &in_buf, &out_buf, &in_args, &out_args)) != AACENC_OK) {
printf("Error in AAC encoding %d. Check if codec storage size is sufficient\n", err);
}
total_samples_read += num_audio_samples_per_aac_buffer;
context->codec_storage_count += out_args.numOutBytes;
context->samples_ready -= num_audio_samples_per_aac_buffer;
}
return total_samples_read;
}
#endif
#ifdef HAVE_LDAC_ENCODER
static int a2dp_demo_fill_ldac_audio_buffer(a2dp_media_sending_context_t *context) {
int total_samples_read = 0;
unsigned int num_audio_samples_per_ldac_buffer = LDACBT_ENC_LSU;
int consumed;
int encoded = 0;
int frames;
// reserve first byte for number of frames
if (context->codec_storage_count == 0)
context->codec_storage_count = 1;
int16_t pcm_frame[LDACBT_MAX_LSU * 2];
while (context->samples_ready >= num_audio_samples_per_ldac_buffer && encoded == 0) {
produce_sine_audio((int16_t *) pcm_frame, num_audio_samples_per_ldac_buffer);
if (ldacBT_encode(handleLDAC, pcm_frame, &consumed, &context->codec_storage[context->codec_storage_count], &encoded, &frames) != 0) {
printf("LDAC encoding error: %d\n", ldacBT_get_error_code(handleLDAC));
}
consumed = consumed / (2 * ldac_configuration.num_channels);
total_samples_read += consumed;
context->codec_storage_count += encoded;
context->codec_num_frames += frames;
context->samples_ready -= consumed;
}
return total_samples_read;
}
#endif
#ifdef HAVE_APTX
static int a2dp_demo_fill_aptx_audio_buffer(a2dp_media_sending_context_t *context) {
int total_num_bytes_read = 0;
unsigned int num_audio_samples_per_aptx_buffer = 4;
uint8_t out_size;
int channels;
adtvp_media_codec_capabilities_t local_cap = sc.local_stream_endpoint->sep.capabilities.media_codec;
uint32_t local_vendor_id = get_vendor_id(local_cap.media_codec_information);
uint16_t local_codec_id = get_codec_id(local_cap.media_codec_information);
if (local_vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && local_codec_id == A2DP_APT_LTD_CODEC_APTX) {
out_size = 4;
channels = aptx_configuration.num_channels;
} else {
out_size = 6; // aptx hd
channels = aptxhd_configuration.num_channels;
}
uint16_t required_samples = num_audio_samples_per_aptx_buffer * channels;
int16_t pcm_frame16[4 * 2];
unsigned char pcm_frame8[4 * 2 * 3];
while (context->samples_ready >= num_audio_samples_per_aptx_buffer &&
(context->max_media_payload_size - context->codec_storage_count) >= out_size) {
produce_sine_audio((int16_t *) pcm_frame16, num_audio_samples_per_aptx_buffer);
// convert to 24-bit stored in bytes
for (int i = 0; i < 4 * 2; i++) {
pcm_frame8[i * 3 + 2] = (pcm_frame16[i] & 0xFF00) >> 8;
pcm_frame8[i * 3 + 1] = pcm_frame16[i] & 0xFF;
pcm_frame8[i * 3] = 0;
}
size_t written;
aptx_encode(aptx_handle, pcm_frame8, 4 * 3 * 2, &context->codec_storage[context->codec_storage_count], 6, &written);
total_num_bytes_read += num_audio_samples_per_aptx_buffer;
context->codec_storage_count += out_size; // LLRR for aptx or LLLRRR for aptx hd
context->samples_ready -= num_audio_samples_per_aptx_buffer;
}
return total_num_bytes_read;
}
#endif
static void avdtp_audio_timeout_handler(btstack_timer_source_t * timer){
adtvp_media_codec_capabilities_t local_cap;
a2dp_media_sending_context_t * context = (a2dp_media_sending_context_t *) btstack_run_loop_get_timer_context(timer);
btstack_run_loop_set_timer(&context->audio_timer, AUDIO_TIMEOUT_MS);
btstack_run_loop_add_timer(&context->audio_timer);
uint32_t now = btstack_run_loop_get_time_ms();
uint32_t update_period_ms = AUDIO_TIMEOUT_MS;
if (context->time_audio_data_sent > 0){
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;
while (context->acc_num_missed_samples >= 1000){
num_samples++;
context->acc_num_missed_samples -= 1000;
}
context->time_audio_data_sent = now;
context->samples_ready += num_samples;
if (context->codec_ready_to_send) return;
avdtp_media_codec_type_t codec_type = sc.local_stream_endpoint->remote_configuration.media_codec.media_codec_type;
switch (codec_type){
case AVDTP_CODEC_SBC:
fill_sbc_audio_buffer(context);
if ((context->codec_storage_count + btstack_sbc_encoder_sbc_buffer_length()) > context->max_media_payload_size){
// schedule sending
context->codec_ready_to_send = 1;
a2dp_source_stream_endpoint_request_can_send_now(context->avdtp_cid, context->local_seid);
}
break;
case AVDTP_CODEC_MPEG_1_2_AUDIO:
break;
#ifdef HAVE_AAC_FDK
case AVDTP_CODEC_MPEG_2_4_AAC:
if (context->codec_storage_count == 0){
fill_aac_audio_buffer(context);
}
if (context->codec_storage_count > 0) {
// schedule sending
context->codec_ready_to_send = 1;
a2dp_source_stream_endpoint_request_can_send_now(context->avdtp_cid, context->local_seid);
}
break;
#endif
case AVDTP_CODEC_ATRAC_FAMILY:
break;
case AVDTP_CODEC_NON_A2DP:
local_cap = sc.local_stream_endpoint->sep.capabilities.media_codec;
uint32_t local_vendor_id = get_vendor_id(local_cap.media_codec_information);
uint16_t local_codec_id = get_codec_id(local_cap.media_codec_information);
// LDAC
#ifdef HAVE_LDAC_ENCODER
if (local_vendor_id == A2DP_CODEC_VENDOR_ID_SONY && local_codec_id == A2DP_SONY_CODEC_LDAC) {
if (context->codec_ready_to_send)
return;
a2dp_demo_fill_ldac_audio_buffer(context);
if (context->codec_storage_count > 1) {
// schedule sending
context->codec_ready_to_send = 1;
a2dp_source_stream_endpoint_request_can_send_now(context->avdtp_cid, context->local_seid);
}
}
#endif
#ifdef HAVE_APTX
// APTX / APTX HD
if ((local_vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && local_codec_id == A2DP_APT_LTD_CODEC_APTX) ||
(local_vendor_id == A2DP_CODEC_VENDOR_ID_QUALCOMM && local_codec_id == A2DP_QUALCOMM_CODEC_APTX_HD)) {
if (context->codec_ready_to_send)
return;
a2dp_demo_fill_aptx_audio_buffer(context);
if ((context->codec_storage_count + 6) > context->max_media_payload_size) {
// schedule sending
context->codec_ready_to_send = 1;
a2dp_source_stream_endpoint_request_can_send_now(context->avdtp_cid, context->local_seid);
}
}
#endif
break;
default:
break;
}
}
static void a2dp_demo_timer_start(a2dp_media_sending_context_t * context){
context->max_media_payload_size = 0x290;// avdtp_max_media_payload_size(context->local_seid);
context->codec_storage_count = 0;
context->codec_ready_to_send = 0;
context->streaming = 1;
btstack_run_loop_remove_timer(&context->audio_timer);
btstack_run_loop_set_timer_handler(&context->audio_timer, avdtp_audio_timeout_handler);
btstack_run_loop_set_timer_context(&context->audio_timer, context);
btstack_run_loop_set_timer(&context->audio_timer, AUDIO_TIMEOUT_MS);
btstack_run_loop_add_timer(&context->audio_timer);
}
static void a2dp_demo_timer_stop(a2dp_media_sending_context_t * context){
context->time_audio_data_sent = 0;
context->acc_num_missed_samples = 0;
context->samples_ready = 0;
context->streaming = 1;
context->codec_storage_count = 0;
context->codec_ready_to_send = 0;
btstack_run_loop_remove_timer(&context->audio_timer);
}
static void a2dp_demo_timer_pause(a2dp_media_sending_context_t * context){
btstack_run_loop_remove_timer(&context->audio_timer);
}
static void dump_sbc_capability(media_codec_information_sbc_t media_codec_sbc){
printf(" - sampling_frequency: 0x%02x\n", media_codec_sbc.sampling_frequency_bitmap);
printf(" - channel_mode: 0x%02x\n", media_codec_sbc.channel_mode_bitmap);
printf(" - block_length: 0x%02x\n", media_codec_sbc.block_length_bitmap);
printf(" - subbands: 0x%02x\n", media_codec_sbc.subbands_bitmap);
printf(" - allocation_method: 0x%02x\n", media_codec_sbc.allocation_method_bitmap);
printf(" - bitpool_value [%d, %d] \n", media_codec_sbc.min_bitpool_value, media_codec_sbc.max_bitpool_value);
}
static void dump_sbc_configuration(avdtp_media_codec_configuration_sbc_t configuration){
printf("Received media codec configuration:\n");
printf(" - num_channels: %d\n", configuration.num_channels);
printf(" - sampling_frequency: %d\n", configuration.sampling_frequency);
printf(" - channel_mode: %d\n", configuration.channel_mode);
printf(" - block_length: %d\n", configuration.block_length);
printf(" - subbands: %d\n", configuration.subbands);
printf(" - allocation_method: %d\n", configuration.allocation_method);
printf(" - bitpool_value [%d, %d] \n", configuration.min_bitpool_value, configuration.max_bitpool_value);
}
static void dump_remote_sink_endpoints(void){
printf("Remote Endpoints:\n");
int i;
for (i=0;i<num_remote_seps;i++) {
printf("- %u. remote seid %u\n", i, remote_seps[i].sep.seid);
}
}
static int find_remote_seid(uint8_t remote_seid){
int i;
for (i=0;i<num_remote_seps;i++){
if (remote_seps[i].sep.seid == remote_seid){
return i;
}
}
return -1;
}
static void setup_sbc_codec_config(uint8_t local_remote_seid_index){
// choose SBC config params
const uint8_t * packet = remote_seps[local_remote_seid_index].media_codec_event;
// choose SBC config params
avdtp_configuration_sbc_t configuration;
configuration.sampling_frequency = avdtp_choose_sbc_sampling_frequency(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet));
configuration.channel_mode = avdtp_choose_sbc_channel_mode(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet));
configuration.block_length = avdtp_choose_sbc_block_length(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet));
configuration.subbands = avdtp_choose_sbc_subbands(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet));
configuration.allocation_method = avdtp_choose_sbc_allocation_method(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet));
configuration.max_bitpool_value = avdtp_choose_sbc_max_bitpool_value(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet));
configuration.min_bitpool_value = avdtp_choose_sbc_min_bitpool_value(sc.local_stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet));
// setup SBC configuration
avdtp_config_sbc_store(media_codec_config_data, &configuration);
media_codec_config_len = 4;
}
static void setup_mpeg_audio_codec_config(uint8_t local_remote_seid_index) {
UNUSED(local_remote_seid_index);
// setup MPEG Audio configuration (layer 3, no crc, joint stereo, mpf = 1, 48 khz, vbr, bit rate index 14);
avdtp_configuration_mpeg_audio_t configuration;
configuration.layer = AVDTP_MPEG_LAYER_3;
configuration.crc = 0;
configuration.channel_mode = AVDTP_CHANNEL_MODE_JOINT_STEREO;
configuration.media_payload_format = 0;
configuration.sampling_frequency = 48000;
configuration.vbr = 0;
configuration.bit_rate_index = 14;
avdtp_config_mpeg_audio_store(media_codec_config_data, &configuration);
media_codec_config_len = 4;
}
static void setup_mpeg_aac_codec_config(uint8_t local_remote_seid_index) {
UNUSED(local_remote_seid_index);
// setup MPEG AAC configuration (MPEG 2 LC, 48 kHz, 2 channels, 300 kbps, no vbr)
avdtp_configuration_mpeg_aac_t configuration;
configuration.object_type = AVDTP_AAC_MPEG2_LC;
configuration.sampling_frequency = 48000;
configuration.channels = 2;
configuration.bit_rate = 300000;
configuration.vbr = 0;
avdtp_config_mpeg_aac_store(media_codec_config_data, &configuration);
media_codec_config_len = 6;
}
static void setup_atrac_codec_config(uint8_t local_remote_seid_index) {
UNUSED(local_remote_seid_index);
// setup ATRAC configuration (ATRAC-3, joint stereo, no vbr, bit rate index 0x10, max sul 100)
avdtp_configuration_atrac_t configuration;
configuration.version = AVDTP_ATRAC_VERSION_3;
configuration.channel_mode = AVDTP_CHANNEL_MODE_JOINT_STEREO;
configuration.sampling_frequency = 48000;
configuration.bit_rate_index = 0x10;
configuration.maximum_sul = 100;
avdtp_config_atrac_store(media_codec_config_data, &configuration);
media_codec_config_len = 4;
}
static void setup_non_a2dp_codec_config(uint8_t local_remote_seid_index) {
const uint8_t * packet = remote_seps[local_remote_seid_index].media_codec_event;
uint8_t remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
const uint8_t *media_info = a2dp_subevent_signaling_media_codec_other_capability_get_media_codec_information(packet);
uint32_t vendor_id = get_vendor_id(media_info);
uint16_t codec_id = get_codec_id(media_info);
// LDAC
if (vendor_id == A2DP_CODEC_VENDOR_ID_SONY && codec_id == A2DP_SONY_CODEC_LDAC) {
printf("Setup LDAC\n");
media_codec_config_data[0] = 0x2D;
media_codec_config_data[1] = 0x1;
media_codec_config_data[2] = 0x0;
media_codec_config_data[3] = 0x0;
media_codec_config_data[4] = 0xAA;
media_codec_config_data[5] = 0;
media_codec_config_data[6] = 0x4;
media_codec_config_data[7] = 1;
media_codec_config_len = 8;
} else if (vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && codec_id == A2DP_APT_LTD_CODEC_APTX) {
printf("Setup aptx\n");
media_codec_config_data[0] = 0x4f;
media_codec_config_data[1] = 0x0;
media_codec_config_data[2] = 0x0;
media_codec_config_data[3] = 0x0;
media_codec_config_data[4] = 0x1;
media_codec_config_data[5] = 0x0;
media_codec_config_data[6] = 0x12;
media_codec_config_len = 7;
} else if (vendor_id == A2DP_CODEC_VENDOR_ID_QUALCOMM && codec_id == A2DP_QUALCOMM_CODEC_APTX_HD) {
printf("Setup aptx hd\n");
media_codec_config_data[0] = 0xD7;
media_codec_config_data[1] = 0x0;
media_codec_config_data[2] = 0x0;
media_codec_config_data[3] = 0x0;
media_codec_config_data[4] = 0x24;
media_codec_config_data[5] = 0x0;
media_codec_config_data[6] = 0x12;
media_codec_config_data[7] = 0x0;
media_codec_config_data[8] = 0x0;
media_codec_config_data[9] = 0x0;
media_codec_config_data[10] = 0x0;
media_codec_config_len = 11;
}
}
static bool setup_remote_config(uint8_t local_remote_seid_index){
avdtp_media_codec_type_t codec_type = remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type;
if (codec_type == AVDTP_CODEC_NON_A2DP) {
const uint8_t * packet = remote_seps[local_remote_seid_index].media_codec_event;
const uint8_t *media_info = a2dp_subevent_signaling_media_codec_other_capability_get_media_codec_information(packet);
uint32_t vendor_id = get_vendor_id(media_info);
uint16_t codec_id = get_codec_id(media_info);
sc.local_stream_endpoint = avdtp_get_source_stream_endpoint_for_media_codec_other(vendor_id, codec_id);
} else {
sc.local_stream_endpoint = avdtp_get_source_stream_endpoint_for_media_codec(codec_type);
}
if (sc.local_stream_endpoint == NULL){
printf("No local endpoint provided with codec %s\n", codec_name_for_type(codec_type));
return false;
}
// store local seid
media_tracker.local_seid = avdtp_local_seid(sc.local_stream_endpoint);
// set media configuration
sc.local_stream_endpoint->remote_configuration_bitmap = store_bit16(sc.local_stream_endpoint->remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
sc.local_stream_endpoint->remote_configuration.media_codec.media_type = AVDTP_AUDIO;
sc.local_stream_endpoint->remote_configuration.media_codec.media_codec_type = codec_type;
switch (codec_type){
case AVDTP_CODEC_SBC:
setup_sbc_codec_config(local_remote_seid_index);
break;
case AVDTP_CODEC_MPEG_1_2_AUDIO:
setup_mpeg_audio_codec_config(local_remote_seid_index);
break;
case AVDTP_CODEC_MPEG_2_4_AAC:
setup_mpeg_aac_codec_config(local_remote_seid_index);
break;
case AVDTP_CODEC_ATRAC_FAMILY:
setup_atrac_codec_config(local_remote_seid_index);
break;
case AVDTP_CODEC_NON_A2DP:
setup_non_a2dp_codec_config(local_remote_seid_index);
break;
default:
printf("Setup config for codec %s not implemented yet\n", codec_name_for_type(codec_type));
return false;
}
return true;
}
#ifdef HAVE_AAC_FDK
static int convert_aac_object_type(int bitmap) {
switch (bitmap) {
case AVDTP_AAC_MPEG4_SCALABLE:
return AOT_AAC_SCAL;
case AVDTP_AAC_MPEG4_LTP:
return AOT_AAC_LTP;
case AVDTP_AAC_MPEG4_LC:
return AOT_AAC_LC;
case AVDTP_AAC_MPEG2_LC:
// https://lists.freedesktop.org/archives/gstreamer-commits/2016-September/096332.html
return AOT_AAC_LC;
default:
printf("invalid aac aot config %d\n", bitmap);
return 0;
}
}
static int convert_aac_vbr(int vbr) {
if (vbr)
return 4;
else
return 0;
}
#endif
static int convert_ldac_sampling_frequency(uint8_t frequency_bitmap) {
switch (frequency_bitmap) {
case 1 << 0:
return 192000;
case 1 << 1:
return 176400;
case 1 << 2:
return 96000;
case 1 << 3:
return 88200;
case 1 << 4:
return 48000;
case 1 << 5:
return 44100;
default:
printf("invalid ldac sampling frequency %d\n", frequency_bitmap);
return 0;
}
}
static int convert_ldac_num_channels(uint8_t channel_mode) {
switch (channel_mode) {
case 1 << 0: // stereo
case 1 << 1: // dual channel
return 2;
case 1 << 2:
return 1;
default:
printf("error ldac channel mode\n");
return 0;
}
}
static int convert_aptx_sampling_frequency(uint8_t frequency_bitmap) {
switch (frequency_bitmap) {
case 1 << 4:
return 48000;
case 1 << 5:
return 44100;
case 1 << 6:
return 32000;
case 1 <<7:
return 16000;
default:
printf("invalid aptx sampling frequency %d\n", frequency_bitmap);
return 0;
}
}
static int convert_aptx_num_channels(uint8_t channel_mode) {
switch (channel_mode) {
case 1 << 0:
case 1 << 1:
case 1 << 2:
return 2;
case 1 << 3:
return 1;
default:
printf("invalid aptx channel mode %d\n", channel_mode);
return 0;
}
}
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
if (hci_event_packet_get_type(packet) != HCI_EVENT_AVDTP_META) return;
UNUSED(channel);
UNUSED(size);
uint8_t signal_identifier;
uint8_t status;
avdtp_sep_t sep;
uint16_t avdtp_cid;
uint8_t remote_seid;
int local_remote_seid_index;
uint32_t vendor_id;
uint16_t codec_id;
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 signaling connection failed: status %d\n", status);
break;
}
media_tracker.avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
printf("AVDTP source 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("Streaming connection failed: status %d\n", status);
break;
}
avdtp_cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet);
printf("Streaming connection established, avdtp_cid 0x%02x\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
memset(&sep, 0, sizeof(avdtp_sep_t));
sep.seid = avdtp_subevent_signaling_sep_found_get_remote_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("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);
if (sep.type == AVDTP_SINK) {
remote_seps[num_remote_seps].sep = sep;
num_remote_seps++;
}
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_DICOVERY_DONE:
// select remote if there's only a single remote
if (num_remote_seps == 1){
media_tracker.remote_seid = remote_seps[0].sep.seid;
printf("Only one remote Stream Endpoint with SEID %u, select it for initiator commands\n", media_tracker.remote_seid);
}
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_TRANSPORT_CAPABILITY:
printf("CAPABILITY - MEDIA_TRANSPORT supported on remote.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_REPORTING_CAPABILITY:
printf("CAPABILITY - REPORTING supported on remote.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_RECOVERY_CAPABILITY:
printf("CAPABILITY - RECOVERY supported on remote: \n");
printf(" - recovery_type %d\n", avdtp_subevent_signaling_recovery_capability_get_recovery_type(packet));
printf(" - maximum_recovery_window_size %d\n", avdtp_subevent_signaling_recovery_capability_get_maximum_recovery_window_size(packet));
printf(" - maximum_number_media_packets %d\n", avdtp_subevent_signaling_recovery_capability_get_maximum_number_media_packets(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_CONTENT_PROTECTION_CAPABILITY:
printf("CAPABILITY - CONTENT_PROTECTION supported on remote: \n");
printf(" - cp_type %d\n", avdtp_subevent_signaling_content_protection_capability_get_cp_type(packet));
printf(" - cp_type_value_len %d\n", avdtp_subevent_signaling_content_protection_capability_get_cp_type_value_len(packet));
printf(" - cp_type_value \'%s\'\n", avdtp_subevent_signaling_content_protection_capability_get_cp_type_value(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_MULTIPLEXING_CAPABILITY:
printf("CAPABILITY - MULTIPLEXING supported on remote: \n");
printf(" - fragmentation %d\n", avdtp_subevent_signaling_multiplexing_capability_get_fragmentation(packet));
printf(" - transport_identifiers_num %d\n", avdtp_subevent_signaling_multiplexing_capability_get_transport_identifiers_num(packet));
printf(" - transport_session_identifier_1 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_transport_session_identifier_1(packet));
printf(" - transport_session_identifier_2 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_transport_session_identifier_2(packet));
printf(" - transport_session_identifier_3 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_transport_session_identifier_3(packet));
printf(" - tcid_1 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_tcid_1(packet));
printf(" - tcid_2 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_tcid_2(packet));
printf(" - tcid_3 %d\n", avdtp_subevent_signaling_multiplexing_capability_get_tcid_3(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY:
printf("CAPABILITY - DELAY_REPORTING supported on remote.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_DELAY_REPORT:
printf("DELAY_REPORT received: %d.%0d ms, local seid %d\n",
avdtp_subevent_signaling_delay_report_get_delay_100us(packet)/10, avdtp_subevent_signaling_delay_report_get_delay_100us(packet)%10,
avdtp_subevent_signaling_delay_report_get_local_seid(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_HEADER_COMPRESSION_CAPABILITY:
printf("CAPABILITY - HEADER_COMPRESSION supported on remote: \n");
printf(" - back_ch %d\n", avdtp_subevent_signaling_header_compression_capability_get_back_ch(packet));
printf(" - media %d\n", avdtp_subevent_signaling_header_compression_capability_get_media(packet));
printf(" - recovery %d\n", avdtp_subevent_signaling_header_compression_capability_get_recovery(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:{
// cache
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
local_remote_seid_index = find_remote_seid(remote_seid);
btstack_assert(local_remote_seid_index >= 0);
(void) memcpy(remote_seps[local_remote_seid_index].media_codec_event, packet, size);
remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type = AVDTP_CODEC_SBC;
remote_seps[local_remote_seid_index].have_media_codec_apabilities = true;
printf("CAPABILITY - MEDIA_CODEC: SBC, remote seid %u: \n", remote_seid);
media_codec_information_sbc_t sbc_capability;
sbc_capability.sampling_frequency_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet);
sbc_capability.channel_mode_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet);
sbc_capability.block_length_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet);
sbc_capability.subbands_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet);
sbc_capability.allocation_method_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet);
sbc_capability.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet);
sbc_capability.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet);
dump_sbc_capability(sbc_capability);
// pre-select SBC codec, can be overwritten for other codecs
selected_remote_sep_index = local_remote_seid_index;
break;
}
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CAPABILITY:
// cache
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
local_remote_seid_index = find_remote_seid(remote_seid);
btstack_assert(local_remote_seid_index >= 0);
(void) memcpy(remote_seps[local_remote_seid_index].media_codec_event, packet, size);
remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type = AVDTP_CODEC_MPEG_1_2_AUDIO;
remote_seps[local_remote_seid_index].have_media_codec_apabilities = true;
printf("CAPABILITY - MEDIA_CODEC: MPEG AUDIO, remote seid %u: \n", remote_seid);
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CAPABILITY: {
// cache
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
local_remote_seid_index = find_remote_seid(remote_seid);
btstack_assert(local_remote_seid_index >= 0);
(void) memcpy(remote_seps[local_remote_seid_index].media_codec_event, packet, size);
remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type = AVDTP_CODEC_MPEG_2_4_AAC;
remote_seps[local_remote_seid_index].have_media_codec_apabilities = true;
printf("CAPABILITY - MEDIA_CODEC: MPEG AAC, remote seid %u: \n", remote_seid);
avdtp_media_codec_capabilities_aac_t aac_capabilities;
aac_capabilities.sampling_frequency_bitmap = a2dp_subevent_signaling_media_codec_mpeg_aac_capability_get_sampling_frequency_bitmap(packet);
aac_capabilities.object_type_bitmap = a2dp_subevent_signaling_media_codec_mpeg_aac_capability_get_object_type_bitmap(packet);
aac_capabilities.channels_bitmap = a2dp_subevent_signaling_media_codec_mpeg_aac_capability_get_channels_bitmap(packet);
aac_capabilities.bit_rate = a2dp_subevent_signaling_media_codec_mpeg_aac_capability_get_bit_rate(packet);
aac_capabilities.vbr = a2dp_subevent_signaling_media_codec_mpeg_aac_capability_get_vbr(packet);
printf("A2DP Source: Received AAC capabilities! Sampling frequency bitmap: 0x%04x, object type %u, channel mode %u, bitrate %u, vbr: %u\n",
aac_capabilities.sampling_frequency_bitmap, aac_capabilities.object_type_bitmap, aac_capabilities.channels_bitmap,
aac_capabilities.bit_rate, aac_capabilities.vbr);
break;
}
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CAPABILITY:
// cache
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
local_remote_seid_index = find_remote_seid(remote_seid);
btstack_assert(local_remote_seid_index >= 0);
(void) memcpy(remote_seps[local_remote_seid_index].media_codec_event, packet, size);
remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type = AVDTP_CODEC_ATRAC_FAMILY;
remote_seps[local_remote_seid_index].have_media_codec_apabilities = true;
printf("CAPABILITY - MEDIA_CODEC: ATRAC, remote seid %u: \n", remote_seid);
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
// cache
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
local_remote_seid_index = find_remote_seid(remote_seid);
btstack_assert(local_remote_seid_index >= 0);
(void) memcpy(remote_seps[local_remote_seid_index].media_codec_event, packet, size);
remote_seps[local_remote_seid_index].sep.capabilities.media_codec.media_codec_type = AVDTP_CODEC_NON_A2DP;
remote_seps[local_remote_seid_index].have_media_codec_apabilities = true;
const uint8_t *media_info = avdtp_subevent_signaling_media_codec_other_capability_get_media_codec_information(packet);
vendor_id = get_vendor_id(media_info);
codec_id = get_codec_id(media_info);
if (vendor_id == A2DP_CODEC_VENDOR_ID_SONY && codec_id == A2DP_SONY_CODEC_LDAC)
printf("CAPABILITY - LDAC, remote seid %u\n", remote_seid);
else if (vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && codec_id == A2DP_APT_LTD_CODEC_APTX)
printf("CAPABILITY - APTX, remote seid %u\n", remote_seid);
else if (vendor_id == A2DP_CODEC_VENDOR_ID_QUALCOMM && codec_id == A2DP_QUALCOMM_CODEC_APTX_HD)
printf("CAPABILITY - APTX HD, remote seid %u\n", remote_seid);
else
printf("CAPABILITY - MEDIA_CODEC: OTHER, remote seid %u: \n", remote_seid);
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{
printf("Set configuration and init encoder\n");
avdtp_media_codec_configuration_sbc_t sbc_configuration;
sbc_configuration.reconfigure = avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet);
sbc_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet);
sbc_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet);
sbc_configuration.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet);
sbc_configuration.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet);
sbc_configuration.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet);
sbc_configuration.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet);
avdtp_channel_mode_t channel_mode = (avdtp_channel_mode_t) avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet);
avdtp_sbc_allocation_method_t allocation_method = (avdtp_sbc_allocation_method_t) avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet);
// Map Bluetooth spec definition to SBC Encoder expected input
sbc_configuration.allocation_method = (btstack_sbc_allocation_method_t)(((uint8_t) allocation_method) - 1);
switch (channel_mode){
case AVDTP_CHANNEL_MODE_JOINT_STEREO:
sbc_configuration.channel_mode = SBC_CHANNEL_MODE_JOINT_STEREO;
sbc_configuration.num_channels = 2;
break;
case AVDTP_CHANNEL_MODE_STEREO:
sbc_configuration.channel_mode = SBC_CHANNEL_MODE_STEREO;
sbc_configuration.num_channels = 2;
break;
case AVDTP_CHANNEL_MODE_DUAL_CHANNEL:
sbc_configuration.channel_mode = SBC_CHANNEL_MODE_DUAL_CHANNEL;
sbc_configuration.num_channels = 2;
break;
case AVDTP_CHANNEL_MODE_MONO:
sbc_configuration.channel_mode = SBC_CHANNEL_MODE_MONO;
sbc_configuration.num_channels = 1;
break;
default:
btstack_assert(false);
break;
}
dump_sbc_configuration(sbc_configuration);
configure_sample_rate(sc.sampling_frequency);
btstack_sbc_encoder_init(&sbc_encoder_state, SBC_MODE_STANDARD,
sbc_configuration.block_length, sbc_configuration.subbands,
sbc_configuration.allocation_method, sbc_configuration.sampling_frequency,
sbc_configuration.max_bitpool_value,
sbc_configuration.channel_mode);
break;
}
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CONFIGURATION: {
printf("Set configuration and init encoder\n");
avdtp_configuration_mpeg_aac_t aac_configuration;
// avdtp_media_codec_configuration_aac_t aac_configuration;
aac_configuration.sampling_frequency = a2dp_subevent_signaling_media_codec_mpeg_aac_configuration_get_sampling_frequency(
packet);
aac_configuration.object_type = a2dp_subevent_signaling_media_codec_mpeg_aac_configuration_get_object_type(
packet);
aac_configuration.channels = a2dp_subevent_signaling_media_codec_mpeg_aac_configuration_get_num_channels(
packet);
aac_configuration.bit_rate = a2dp_subevent_signaling_media_codec_mpeg_aac_configuration_get_bit_rate(
packet);
aac_configuration.vbr = a2dp_subevent_signaling_media_codec_mpeg_aac_configuration_get_vbr(packet);
printf("A2DP Source: Received AAC configuration! Sampling frequency: %u, object type %u, channel mode %u, bitrate %u, vbr: %u\n",
aac_configuration.sampling_frequency, aac_configuration.object_type, aac_configuration.channels,
aac_configuration.bit_rate, aac_configuration.vbr);
int aot = convert_aac_object_type(aac_configuration.object_type);
int vbr = convert_aac_vbr(aac_configuration.vbr);
// init encoder
AACENC_ERROR err;
if ((err = aacEncOpen(&handleAAC, 0x07, aac_configuration.channels)) != AACENC_OK) {
printf("Couldn't open AAC encoder: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_AOT, aot)) != AACENC_OK) {
printf("Couldn't set audio object type: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_BITRATE, aac_configuration.bit_rate)) != AACENC_OK) {
printf("Couldn't set bitrate: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_SAMPLERATE, aac_configuration.sampling_frequency)) !=
AACENC_OK) {
printf("Couldn't set sampling rate: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_CHANNELMODE, aac_configuration.channels)) != AACENC_OK) {
printf("Couldn't set channel mode: %d\n", err);
break;
}
if (aac_configuration.vbr) {
if ((err = aacEncoder_SetParam(handleAAC, AACENC_BITRATEMODE, vbr)) != AACENC_OK) {
printf("Couldn't set VBR bitrate mode %u: %d\n", aac_configuration.vbr, err);
break;
}
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_AFTERBURNER, false)) != AACENC_OK) {
printf("Couldn't enable afterburner: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_TRANSMUX, TT_MP4_LATM_MCP1)) != AACENC_OK) {
printf("Couldn't enable LATM transport type: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_HEADER_PERIOD, 1)) != AACENC_OK) {
printf("Couldn't set LATM header period: %d\n", err);
break;
}
if ((err = aacEncoder_SetParam(handleAAC, AACENC_AUDIOMUXVER, 1)) != AACENC_OK) {
printf("Couldn't set LATM version: %d\n", err);
break;
}
if ((err = aacEncEncode(handleAAC, NULL, NULL, NULL, NULL)) != AACENC_OK) {
printf("Couldn't initialize AAC encoder: %d\n", err);
break;
}
if ((err = aacEncInfo(handleAAC, &aacinf)) != AACENC_OK) {
printf("Couldn't get encoder info: %d\n", err);
break;
}
current_sample_rate = aac_configuration.sampling_frequency;
break;
}
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CONFIGURATION:
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CONFIGURATION:
// TODO: handle other configuration event
printf("Config not handled for %s\n", codec_name_for_type(remote_seps[selected_remote_sep_index].sep.capabilities.media_codec.media_codec_type));
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION:
printf("Received other configuration\n");
uint8_t *codec_info = (uint8_t *) a2dp_subevent_signaling_media_codec_other_configuration_get_media_codec_information(packet);
vendor_id = get_vendor_id(codec_info);
codec_id = get_codec_id(codec_info);
// LDAC
if (vendor_id == A2DP_CODEC_VENDOR_ID_SONY && codec_id == A2DP_SONY_CODEC_LDAC) {
#ifdef HAVE_LDAC_ENCODER
ldac_configuration.reconfigure = a2dp_subevent_signaling_media_codec_other_configuration_get_reconfigure(packet);
ldac_configuration.sampling_frequency = codec_info[6];
ldac_configuration.channel_mode = codec_info[7];
ldac_configuration.sampling_frequency = convert_ldac_sampling_frequency(ldac_configuration.sampling_frequency);
ldac_configuration.num_channels = convert_ldac_num_channels(ldac_configuration.channel_mode);
printf("A2DP Source: Received LDAC configuration! Sampling frequency: %d, channel mode: %d channels: %d\n",
ldac_configuration.sampling_frequency, ldac_configuration.channel_mode, ldac_configuration.num_channels);
handleLDAC = ldacBT_get_handle();
if (handleLDAC == NULL) {
printf("Failed to get LDAC handle\n");
break;
}
// init ldac encoder
int mtu = 679; // minimal required mtu
if (ldacBT_init_handle_encode(handleLDAC, mtu, LDACBT_EQMID_SQ, ldac_configuration.channel_mode,
LDACBT_SMPL_FMT_S16, ldac_configuration.sampling_frequency) == -1) {
printf("Couldn't initialize LDAC encoder: %d\n", ldacBT_get_error_code(handleLDAC));
break;
}
current_sample_rate = ldac_configuration.sampling_frequency;
#endif
#ifdef HAVE_APTX
} else if (vendor_id == A2DP_CODEC_VENDOR_ID_APT_LTD && codec_id == A2DP_APT_LTD_CODEC_APTX) {
aptx_configuration.reconfigure = a2dp_subevent_signaling_media_codec_other_configuration_get_reconfigure(packet);
aptx_configuration.sampling_frequency = codec_info[6] & 0xF0;
aptx_configuration.channel_mode = codec_info[6] & 0x0F;
aptx_configuration.sampling_frequency = convert_aptx_sampling_frequency(aptx_configuration.sampling_frequency);
aptx_configuration.num_channels = convert_aptx_num_channels(aptx_configuration.channel_mode);
printf("A2DP Source: Received APTX configuration! Sampling frequency: %d, channel mode: %d channels: %d\n",
aptx_configuration.sampling_frequency, aptx_configuration.channel_mode, aptx_configuration.num_channels);
aptx_handle = aptx_init(0);
current_sample_rate = aptx_configuration.sampling_frequency;
} else if (vendor_id == A2DP_CODEC_VENDOR_ID_QUALCOMM && codec_id == A2DP_QUALCOMM_CODEC_APTX_HD) {
aptxhd_configuration.reconfigure = a2dp_subevent_signaling_media_codec_other_configuration_get_reconfigure(packet);
aptxhd_configuration.sampling_frequency = codec_info[6] & 0xF0;
aptxhd_configuration.channel_mode = codec_info[6] & 0x0F;
aptxhd_configuration.sampling_frequency = convert_aptx_sampling_frequency(aptxhd_configuration.sampling_frequency);
aptxhd_configuration.num_channels = convert_aptx_num_channels(aptxhd_configuration.channel_mode);
printf("A2DP Source: Received APTX HD configuration! Sampling frequency: %d, channel mode: %d channels: %d\n",
aptxhd_configuration.sampling_frequency, aptxhd_configuration.channel_mode, aptxhd_configuration.num_channels);
aptx_handle = aptx_init(1);
current_sample_rate = aptxhd_configuration.sampling_frequency;
#endif
} else {
printf("Config not handled for %s\n", codec_name_for_type(remote_seps[selected_remote_sep_index].sep.capabilities.media_codec.media_codec_type));
}
break;
case AVDTP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW:
a2dp_demo_send_media_packet();
break;
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
// TODO check cid
signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet);
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
printf("AVDTP Source command accepted\n");
}
switch (signal_identifier){
case AVDTP_SI_OPEN:
break;
case AVDTP_SI_SET_CONFIGURATION:
break;
case AVDTP_SI_START:
printf("Stream started.\n");
a2dp_demo_timer_start(&media_tracker);
break;
case AVDTP_SI_SUSPEND:
printf("Stream paused.\n");
a2dp_demo_timer_pause(&media_tracker);
break;
case AVDTP_SI_ABORT:
case AVDTP_SI_CLOSE:
printf("Stream released.\n");
a2dp_demo_timer_stop(&media_tracker);
break;
default:
break;
}
break;
case AVDTP_SUBEVENT_SIGNALING_REJECT:
signal_identifier = avdtp_subevent_signaling_reject_get_signal_identifier(packet);
printf("Rejected %s\n", avdtp_si2str(signal_identifier));
break;
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
signal_identifier = avdtp_subevent_signaling_general_reject_get_signal_identifier(packet);
printf("Rejected %s\n", avdtp_si2str(signal_identifier));
break;
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
a2dp_demo_timer_stop(&media_tracker);
printf("Streaming connection released.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
a2dp_demo_timer_stop(&media_tracker);
printf("Signaling connection released.\n");
break;
default:
break;
}
}
#ifdef HAVE_BTSTACK_STDIN
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", device_addr_string);
printf("C - disconnect\n");
printf("d - discover stream endpoints\n");
printf("z - select remote endpoint\n");
printf("g - get capabilities for remote seid %u\n", media_tracker.remote_seid);
printf("a - get all capabilities for remote seid %u\n", media_tracker.remote_seid);
printf("s - set configuration for remote seid %u\n", media_tracker.remote_seid);
printf("f - get configuration for remote seid %u\n", media_tracker.remote_seid);
printf("R - reconfigure stream for remote seid %u\n", media_tracker.remote_seid);
printf("o - open stream for remote seid %u\n", media_tracker.remote_seid);
printf("m - start stream for remote seid %u\n", media_tracker.remote_seid);
printf("A - abort stream for remote seid %u\n", media_tracker.remote_seid);
printf("S - stop stream for remote seid %u\n", media_tracker.remote_seid);
printf("P - suspend stream for remote seid %u\n", media_tracker.remote_seid);
printf("X - stop streaming sine\n");
printf("Ctrl-c - exit\n");
printf("---\n");
}
static void stdin_process(char cmd){
uint8_t status = ERROR_CODE_SUCCESS;
is_cmd_triggered_localy = 1;
static bool enter_remote_seid_index = false;
if (enter_remote_seid_index){
if ((cmd < '0') || (cmd > '9')) return;
uint8_t index = cmd - '0';
if (index >= num_remote_seps){
printf("Index too high, try again\n");
return;
}
enter_remote_seid_index = false;
selected_remote_sep_index = index;
media_tracker.remote_seid = remote_seps[selected_remote_sep_index].sep.seid;
printf("Selected Remote Stream Endpoint with SEID %u\n", media_tracker.remote_seid);
return;
}
switch (cmd){
case 'c':
printf("Establish AVDTP Source connection to %s\n", device_addr_string);
status = avdtp_source_connect(device_addr, &media_tracker.avdtp_cid);
break;
case 'C':
printf("Disconnect AVDTP Source\n");
status = avdtp_source_disconnect(media_tracker.avdtp_cid);
break;
case 'd':
printf("Discover stream endpoints of %s\n", device_addr_string);
num_remote_seps = 0;
selected_remote_sep_index = 0;
status = avdtp_source_discover_stream_endpoints(media_tracker.avdtp_cid);
break;
case 'g':
if (num_remote_seps == 0){
printf("Remote Stream Endpoints not discovered yet, please discover stream endpoints first\n");
break;
}
printf("Get capabilities of stream endpoint with seid %d\n", media_tracker.remote_seid);
status = avdtp_source_get_capabilities(media_tracker.avdtp_cid, media_tracker.remote_seid);
break;
case 'a':
printf("Get all capabilities of stream endpoint with seid %d\n", media_tracker.remote_seid);
status = avdtp_source_get_all_capabilities(media_tracker.avdtp_cid, media_tracker.remote_seid);
break;
case 'f':
printf("Get configuration of stream endpoint with seid %d\n", media_tracker.remote_seid);
status = avdtp_source_get_configuration(media_tracker.avdtp_cid, media_tracker.remote_seid);
break;
case 'z':
if (num_remote_seps == 0){
printf("Remote Stream Endpoints not discovered yet, please discover stream endpoints first\n");
break;
}
dump_remote_sink_endpoints();
printf("Please enter index of remote stream endpoint:\n");
enter_remote_seid_index = true;
break;
case 's':{
if (num_remote_seps == 0){
printf("Remote Stream Endpoints not discovered yet, please discover stream endpoints first\n");
break;
}
if (remote_seps[selected_remote_sep_index].have_media_codec_apabilities == false){
printf("Remote Stream Endpoints Media Codec Capabilities not received yet, please get (all) capabilities for stream endpoint with seid %u first\n", media_tracker.remote_seid);
break;
}
setup_remote_config(selected_remote_sep_index);
printf("Set configuration of stream endpoint with seid %d\n", media_tracker.remote_seid);
avdtp_capabilities_t new_configuration;
new_configuration.media_codec.media_type = AVDTP_AUDIO;
new_configuration.media_codec.media_codec_type = remote_seps[selected_remote_sep_index].sep.capabilities.media_codec.media_codec_type ;
new_configuration.media_codec.media_codec_information_len = media_codec_config_len;
new_configuration.media_codec.media_codec_information = media_codec_config_data;
status = avdtp_source_set_configuration(media_tracker.avdtp_cid, media_tracker.local_seid, media_tracker.remote_seid, 1 << AVDTP_MEDIA_CODEC, new_configuration);
break;
}
case 'R':{
if (num_remote_seps == 0){
printf("Remote Stream Endpoints not discovered yet, please discover stream endpoints first\n");
break;
}
if (remote_seps[selected_remote_sep_index].have_media_codec_apabilities == false){
printf("Remote Stream Endpoints Media Codec Capabilities not received yet, please get (all) capabilities for stream endpoint with seid %u first\n", media_tracker.remote_seid);
break;
}
printf("Reconfigure stream endpoint with seid %d\n", media_tracker.remote_seid);
avdtp_media_codec_type_t media_codec_type = remote_seps[selected_remote_sep_index].sep.capabilities.media_codec.media_codec_type;
avdtp_capabilities_t new_configuration;
new_configuration.media_codec.media_type = AVDTP_AUDIO;
uint16_t new_sampling_frequency = 44100;
switch (current_sample_rate){
case 44100:
new_sampling_frequency = 48000;
break;
default:
break;
}
switch (media_codec_type){
case AVDTP_CODEC_SBC:
avdtp_config_sbc_set_sampling_frequency(media_codec_config_data, new_sampling_frequency);
break;
case AVDTP_CODEC_MPEG_1_2_AUDIO:
avdtp_config_mpeg_audio_set_sampling_frequency(media_codec_config_data, new_sampling_frequency);
break;
case AVDTP_CODEC_MPEG_2_4_AAC:
avdtp_config_mpeg_aac_set_sampling_frequency(media_codec_config_data, new_sampling_frequency);
break;
case AVDTP_CODEC_ATRAC_FAMILY:
avdtp_config_atrac_set_sampling_frequency(media_codec_config_data, new_sampling_frequency);
break;
default:
printf("Reconfigure not implemented for %s\n", codec_name_for_type(media_codec_type));
return;
}
new_configuration.media_codec.media_type = AVDTP_AUDIO;
new_configuration.media_codec.media_codec_type = media_codec_type;
new_configuration.media_codec.media_codec_information_len = media_codec_config_len;
new_configuration.media_codec.media_codec_information = media_codec_config_data;
status = avdtp_source_reconfigure(media_tracker.avdtp_cid, media_tracker.local_seid, media_tracker.remote_seid, 1 << AVDTP_MEDIA_CODEC, new_configuration);
break;
}
case 'o':
printf("Establish stream between local %d and remote %d seid\n", media_tracker.local_seid, media_tracker.remote_seid);
status = avdtp_source_open_stream(media_tracker.avdtp_cid, media_tracker.local_seid, media_tracker.remote_seid);
break;
case 'm':
printf("Start stream between local %d and remote %d seid, \n", media_tracker.local_seid, media_tracker.remote_seid);
status = avdtp_source_start_stream(media_tracker.avdtp_cid, media_tracker.local_seid);
break;
case 'A':
printf("Abort stream between local %d and remote %d seid\n", media_tracker.local_seid, media_tracker.remote_seid);
status = avdtp_source_abort_stream(media_tracker.avdtp_cid, media_tracker.local_seid);
break;
case 'S':
printf("Release stream between local %d and remote %d seid\n", media_tracker.local_seid, media_tracker.remote_seid);
status = avdtp_source_stop_stream(media_tracker.avdtp_cid, media_tracker.local_seid);
break;
case 'P':
printf("Susspend stream between local %d and remote %d seid\n", media_tracker.local_seid, media_tracker.remote_seid);
status = avdtp_source_suspend(media_tracker.avdtp_cid, media_tracker.local_seid);
break;
case 'X':
printf("Stop streaming\n");
status = avdtp_source_stop_stream(media_tracker.avdtp_cid, media_tracker.local_seid);
break;
case '\n':
case '\r':
break;
default:
show_usage();
break;
}
if (status != ERROR_CODE_SUCCESS){
printf("AVDTP Sink cmd \'%c\' failed, status 0x%02x\n", cmd, status);
}
}
#endif
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);
// setup stream endpoints
avdtp_stream_endpoint_t * stream_endpoint;
// - SBC
stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_SBC, (uint8_t *) media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities), (uint8_t*) local_stream_endpoint_sbc_media_codec_configuration, sizeof(local_stream_endpoint_sbc_media_codec_configuration));
btstack_assert(stream_endpoint != NULL);
stream_endpoint->media_codec_configuration_info = local_stream_endpoint_sbc_media_codec_configuration;
stream_endpoint->media_codec_configuration_len = sizeof(local_stream_endpoint_sbc_media_codec_configuration);
avdtp_source_register_delay_reporting_category(avdtp_local_seid(stream_endpoint));
avdtp_set_preferred_sampling_frequeny(stream_endpoint, 44100);
avdtp_set_preferred_channel_mode(stream_endpoint, AVDTP_SBC_STEREO);
#ifdef HAVE_AAC_FDK
// - AAC
stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_MPEG_2_4_AAC, (uint8_t *) media_aac_codec_capabilities, sizeof(media_aac_codec_capabilities), (uint8_t*) local_stream_endpoint_aac_media_codec_configuration, sizeof(local_stream_endpoint_aac_media_codec_configuration));
btstack_assert(stream_endpoint != NULL);
stream_endpoint->media_codec_configuration_info = local_stream_endpoint_aac_media_codec_configuration;
stream_endpoint->media_codec_configuration_len = sizeof(local_stream_endpoint_aac_media_codec_configuration);
avdtp_source_register_delay_reporting_category(avdtp_local_seid(stream_endpoint));
#endif
// - MPEG1/2 Layer 3
// ..
#ifdef HAVE_LDAC_ENCODER
// - LDAC
stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_NON_A2DP, (uint8_t *) media_ldac_codec_capabilities, sizeof(media_ldac_codec_capabilities), (uint8_t*) local_stream_endpoint_ldac_media_codec_configuration, sizeof(local_stream_endpoint_ldac_media_codec_configuration));
btstack_assert(stream_endpoint != NULL);
stream_endpoint->media_codec_configuration_info = local_stream_endpoint_ldac_media_codec_configuration;
stream_endpoint->media_codec_configuration_len = sizeof(local_stream_endpoint_ldac_media_codec_configuration);
avdtp_source_register_delay_reporting_category(avdtp_local_seid(stream_endpoint));
#endif
#ifdef HAVE_APTX
// - APTX
stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_NON_A2DP, (uint8_t *) media_aptx_codec_capabilities, sizeof(media_aptx_codec_capabilities), (uint8_t*) local_stream_endpoint_aptx_media_codec_configuration, sizeof(local_stream_endpoint_aptx_media_codec_configuration));
btstack_assert(stream_endpoint != NULL);
stream_endpoint->media_codec_configuration_info = local_stream_endpoint_aptx_media_codec_configuration;
stream_endpoint->media_codec_configuration_len = sizeof(local_stream_endpoint_aptx_media_codec_configuration);
avdtp_source_register_delay_reporting_category(avdtp_local_seid(stream_endpoint));
// - APTX HD
stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_NON_A2DP, (uint8_t *) media_aptxhd_codec_capabilities, sizeof(media_aptxhd_codec_capabilities), (uint8_t*) local_stream_endpoint_aptxhd_media_codec_configuration, sizeof(local_stream_endpoint_aptxhd_media_codec_configuration));
btstack_assert(stream_endpoint != NULL);
stream_endpoint->media_codec_configuration_info = local_stream_endpoint_aptxhd_media_codec_configuration;
stream_endpoint->media_codec_configuration_len = sizeof(local_stream_endpoint_aptxhd_media_codec_configuration);
avdtp_source_register_delay_reporting_category(avdtp_local_seid(stream_endpoint));
#endif
// 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, AVDTP_SOURCE_FEATURE_MASK_PLAYER, NULL, NULL);
sdp_register_service(sdp_avdtp_source_service_buffer);
gap_set_local_name("BTstack AVDTP Source PTS 00:00:00:00:00:00");
gap_discoverable_control(1);
gap_set_class_of_device(0x200408);
#ifdef HAVE_BTSTACK_STDIN
// parse human readable Bluetooth address
sscanf_bd_addr(device_addr_string, device_addr);
btstack_stdin_setup(stdin_process);
#endif
// turn on!
hci_power_control(HCI_POWER_ON);
return 0;
}
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