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btstack/test/pts/avdtp_sink_test.c
Matthias Ringwald 19e3fb5b5a pts/avdtp_sink_test: drop HAVE_AUDIO_DMA code
2018-07-20 16:50:16 +02:00

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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
*
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "btstack.h"
#include "wav_util.h"
#ifdef HAVE_PORTAUDIO
#include "btstack_ring_buffer.h"
#include <portaudio.h>
#endif
#ifdef HAVE_POSIX_FILE_IO
#include "wav_util.h"
#define STORE_SBC_TO_SBC_FILE
#define STORE_SBC_TO_WAV_FILE
#endif
#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
#define DECODE_SBC
#endif
#define NUM_CHANNELS 2
#define BYTES_PER_FRAME (2*NUM_CHANNELS)
#define MAX_SBC_FRAME_SIZE 120
// SBC Decoder for WAV file or PortAudio
#ifdef DECODE_SBC
static btstack_sbc_decoder_state_t state;
static btstack_sbc_mode_t mode = SBC_MODE_STANDARD;
#endif
#if defined(HAVE_PORTAUDIO)
#define PREBUFFER_MS 200
static int audio_stream_started = 0;
static int audio_stream_paused = 0;
static btstack_ring_buffer_t ring_buffer;
#endif
// PortAudio - live playback
#ifdef HAVE_PORTAUDIO
#define PA_SAMPLE_TYPE paInt16
#define SAMPLE_RATE 48000
#define FRAMES_PER_BUFFER 128
#define PREBUFFER_BYTES (PREBUFFER_MS*SAMPLE_RATE/1000*BYTES_PER_FRAME)
static PaStream * stream;
static uint8_t ring_buffer_storage[2*PREBUFFER_BYTES];
#endif
// WAV File
#ifdef STORE_SBC_TO_WAV_FILE
static int frame_count = 0;
static char * wav_filename = "avdtp_sink.wav";
#endif
#ifdef STORE_SBC_TO_SBC_FILE
static FILE * sbc_file;
static char * sbc_filename = "avdtp_sink.sbc";
#endif
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;
} adtvp_media_codec_information_sbc_t;
typedef struct {
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;
int frames_per_buffer;
} 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:07:32:EF";
// 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";
static bd_addr_t device_addr;
static uint8_t is_cmd_triggered_localy = 0;
static uint8_t is_media_header_reported_once = 0;
static uint8_t is_media_initialized = 0;
static uint16_t avdtp_cid = 0;
static uint8_t local_seid = 0;
static uint8_t sdp_avdtp_sink_service_buffer[150];
static adtvp_media_codec_information_sbc_t sbc_capability;
static avdtp_media_codec_configuration_sbc_t sbc_configuration;
static uint8_t local_seid;
static uint8_t remote_seid;
// static avdtp_sep_t sep;
static uint16_t remote_configuration_bitmap;
static avdtp_capabilities_t remote_configuration;
static avdtp_context_t a2dp_sink_context;
static btstack_packet_callback_registration_t hci_event_callback_registration;
#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context);
#endif
#ifdef HAVE_PORTAUDIO
static int portaudio_callback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData ) {
/** portaudio_callback is called from different thread, don't use hci_dump / log_info here without additional checks */
// Prevent unused variable warnings.
(void) timeInfo;
(void) statusFlags;
(void) inputBuffer;
(void) userData;
int bytes_to_copy = framesPerBuffer * BYTES_PER_FRAME;
// fill ring buffer with silence while stream is paused
if (audio_stream_paused){
if (btstack_ring_buffer_bytes_available(&ring_buffer) < PREBUFFER_BYTES){
memset(outputBuffer, 0, bytes_to_copy);
return 0;
} else {
// resume playback
audio_stream_paused = 0;
}
}
// get data from ring buffer
uint32_t bytes_read = 0;
btstack_ring_buffer_read(&ring_buffer, outputBuffer, bytes_to_copy, &bytes_read);
bytes_to_copy -= bytes_read;
// fill ring buffer with silence if there are not enough bytes to copy
if (bytes_to_copy){
memset(outputBuffer + bytes_read, 0, bytes_to_copy);
audio_stream_paused = 1;
}
return 0;
}
#endif
static int media_processing_init(avdtp_media_codec_configuration_sbc_t configuration){
if (is_media_initialized) return 0;
#ifdef DECODE_SBC
btstack_sbc_decoder_init(&state, mode, handle_pcm_data, NULL);
#endif
#ifdef STORE_SBC_TO_WAV_FILE
wav_writer_open(wav_filename, configuration.num_channels, configuration.sampling_frequency);
#endif
#ifdef STORE_SBC_TO_SBC_FILE
sbc_file = fopen(sbc_filename, "wb");
#endif
#ifdef HAVE_PORTAUDIO
// int frames_per_buffer = configuration.frames_per_buffer;
PaError err;
PaStreamParameters outputParameters;
const PaDeviceInfo *deviceInfo;
/* -- initialize PortAudio -- */
err = Pa_Initialize();
if (err != paNoError){
printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err));
return err;
}
/* -- setup input and output -- */
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
outputParameters.channelCount = configuration.num_channels;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
deviceInfo = Pa_GetDeviceInfo( outputParameters.device );
printf("PortAudio: Output device: %s\n", deviceInfo->name);
log_info("PortAudio: Output device: %s", deviceInfo->name);
/* -- setup stream -- */
err = Pa_OpenStream(
&stream,
NULL, /* &inputParameters */
&outputParameters,
configuration.sampling_frequency,
0,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
portaudio_callback, /* use callback */
NULL );
if (err != paNoError){
printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err));
return err;
}
log_info("PortAudio: stream opened");
printf("PortAudio: stream opened\n");
#endif
#if defined(HAVE_PORTAUDIO)
memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage));
btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage));
audio_stream_started = 0;
audio_stream_paused = 0;
#endif
is_media_initialized = 1;
return 0;
}
static void media_processing_close(void){
if (is_media_initialized) return;
is_media_initialized = 0;
#ifdef STORE_SBC_TO_WAV_FILE
wav_writer_close();
int total_frames_nr = state.good_frames_nr + state.bad_frames_nr + state.zero_frames_nr;
printf("WAV Writer: Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n", total_frames_nr, state.good_frames_nr, total_frames_nr - state.good_frames_nr);
printf("WAV Writer: Written %d frames to wav file: %s\n", frame_count, wav_filename);
#endif
#ifdef STORE_SBC_TO_SBC_FILE
fclose(sbc_file);
#endif
#if defined(HAVE_PORTAUDIO)
audio_stream_started = 0;
#endif
#ifdef HAVE_PORTAUDIO
printf("PortAudio: Stream closed\n");
log_info("PortAudio: Stream closed");
PaError err = Pa_StopStream(stream);
if (err != paNoError){
printf("Error stopping the stream: \"%s\"\n", Pa_GetErrorText(err));
log_error("Error stopping the stream: \"%s\"", Pa_GetErrorText(err));
return;
}
err = Pa_CloseStream(stream);
if (err != paNoError){
printf("Error closing the stream: \"%s\"\n", Pa_GetErrorText(err));
log_error("Error closing the stream: \"%s\"", Pa_GetErrorText(err));
return;
}
err = Pa_Terminate();
if (err != paNoError){
printf("Error terminating portaudio: \"%s\"\n", Pa_GetErrorText(err));
log_error("Error terminating portaudio: \"%s\"", Pa_GetErrorText(err));
return;
}
#endif
}
/* @section Handle Media Data Packet
*
* @text Media data packets, in this case the audio data, are received through the handle_l2cap_media_data_packet callback.
* Currently, only the SBC media codec is supported. Hence, the media data consists of the media packet header and the SBC packet.
* The SBC data will be decoded using an SBC decoder if either HAVE_PORTAUDIO or STORE_SBC_TO_WAV_FILE directive is defined.
* The resulting PCM frames can be then captured through a PCM data callback registered during SBC decoder setup, i.e. the
* handle_pcm_data callback.
*/
static int read_media_data_header(uint8_t * packet, int size, int * offset, avdtp_media_packet_header_t * media_header);
static int read_sbc_header(uint8_t * packet, int size, int * offset, avdtp_sbc_codec_header_t * sbc_header);
static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16_t size){
UNUSED(seid);
int pos = 0;
avdtp_media_packet_header_t media_header;
if (!read_media_data_header(packet, size, &pos, &media_header)) return;
avdtp_sbc_codec_header_t sbc_header;
if (!read_sbc_header(packet, size, &pos, &sbc_header)) return;
#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
btstack_sbc_decoder_process_data(&state, 0, packet+pos, size-pos);
#endif
#ifdef STORE_SBC_TO_SBC_FILE
fwrite(packet+pos, size-pos, 1, sbc_file);
#endif
}
/* @section Handle PCM Data
*
* @text In this example, we use the [PortAudio library](http://www.portaudio.com) to play the audio stream.
* The PCM data are bufferd in a ring buffer.
* Aditionally, tha audio data can be stored in the avdtp_sink.wav file.
*/
#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){
UNUSED(sample_rate);
UNUSED(context);
#ifdef STORE_SBC_TO_WAV_FILE
wav_writer_write_int16(num_samples*num_channels, data);
frame_count++;
#endif
#ifdef HAVE_PORTAUDIO
// store pcm samples in ring buffer
btstack_ring_buffer_write(&ring_buffer, (uint8_t *)data, num_samples*num_channels*2);
if (!audio_stream_started){
audio_stream_paused = 1;
/* -- start stream -- */
PaError err = Pa_StartStream(stream);
if (err != paNoError){
printf("Error starting the stream: \"%s\"\n", Pa_GetErrorText(err));
return;
}
audio_stream_started = 1;
}
#endif
}
#endif
static int read_sbc_header(uint8_t * packet, int size, int * offset, avdtp_sbc_codec_header_t * sbc_header){
int sbc_header_len = 12; // without crc
int pos = *offset;
if (size - pos < sbc_header_len){
printf("Not enough data to read SBC header, expected %d, received %d\n", sbc_header_len, size-pos);
return 0;
}
sbc_header->fragmentation = get_bit16(packet[pos], 7);
sbc_header->starting_packet = get_bit16(packet[pos], 6);
sbc_header->last_packet = get_bit16(packet[pos], 5);
sbc_header->num_frames = packet[pos] & 0x0f;
pos++;
// printf("SBC HEADER: num_frames %u, fragmented %u, start %u, stop %u\n", sbc_header.num_frames, sbc_header.fragmentation, sbc_header.starting_packet, sbc_header.last_packet);
*offset = pos;
return 1;
}
static int read_media_data_header(uint8_t *packet, int size, int *offset, avdtp_media_packet_header_t *media_header){
int media_header_len = 12; // without crc
int pos = *offset;
if (size - pos < media_header_len){
printf("Not enough data to read media packet header, expected %d, received %d\n", media_header_len, size-pos);
return 0;
}
media_header->version = packet[pos] & 0x03;
media_header->padding = get_bit16(packet[pos],2);
media_header->extension = get_bit16(packet[pos],3);
media_header->csrc_count = (packet[pos] >> 4) & 0x0F;
pos++;
media_header->marker = get_bit16(packet[pos],0);
media_header->payload_type = (packet[pos] >> 1) & 0x7F;
pos++;
media_header->sequence_number = big_endian_read_16(packet, pos);
pos+=2;
media_header->timestamp = big_endian_read_32(packet, pos);
pos+=4;
media_header->synchronization_source = big_endian_read_32(packet, pos);
pos+=4;
*offset = pos;
// TODO: read csrc list
// printf_hexdump( packet, pos );
if (!is_media_header_reported_once){
is_media_header_reported_once = 1;
printf("MEDIA HEADER: %u timestamp, version %u, padding %u, extension %u, csrc_count %u\n",
media_header->timestamp, media_header->version, media_header->padding, media_header->extension, media_header->csrc_count);
printf("MEDIA HEADER: marker %02x, payload_type %02x, sequence_number %u, synchronization_source %u\n",
media_header->marker, media_header->payload_type, media_header->sequence_number, media_header->synchronization_source);
}
return 1;
}
static void dump_sbc_capability(adtvp_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(" - 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 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_PIN_CODE_REQUEST){
// inform about pin code request
bd_addr_t event_addr;
printf("Pin code request - using '0000'\n");
hci_event_pin_code_request_get_bd_addr(packet, event_addr);
gap_pin_code_response(event_addr, "0000");
}
if (hci_event_packet_get_type(packet) != HCI_EVENT_AVDTP_META) return;
UNUSED(channel);
UNUSED(size);
uint8_t status;
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 != ERROR_CODE_SUCCESS){
printf("AVDTP connection failed with status 0x%02x.\n", status);
break;
}
printf("AVDTP Sink connected: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
avdtp_cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
printf("AVDTP connection released: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
remote_seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);
printf("Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n",
remote_seid, avdtp_subevent_signaling_sep_found_get_in_use(packet),
avdtp_subevent_signaling_sep_found_get_media_type(packet), avdtp_subevent_signaling_sep_found_get_sep_type(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
printf("Received SBC codec capabilities\n");
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);
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{
printf("Received SBC codec configuration\n");
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.channel_mode = avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(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.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(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);
sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length;
dump_sbc_configuration(sbc_configuration);
avdtp_sink_delay_report(avdtp_cid, remote_seid, 100);
media_processing_close();
media_processing_init(sbc_configuration);
break;
}
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
printf("Streaming connection opened.\n");
break;
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
printf("Streaming connection released.\n");
is_cmd_triggered_localy = 0;
is_media_header_reported_once = 0;
media_processing_close();
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
printf("Received non SBC codec, event not parsed.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:{
switch (avdtp_subevent_signaling_accept_get_signal_identifier(packet)){
case AVDTP_SI_START:
printf("Stream started\n");
media_processing_init(sbc_configuration);
break;
case AVDTP_SI_SUSPEND:
printf("Stream paused\n");
media_processing_close();
break;
case AVDTP_SI_ABORT:
case AVDTP_SI_CLOSE:
printf("Stream stoped\n");
media_processing_close();
break;
default:
break;
}
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
printf("AVDTP Sink command accepted\n");
}
break;
}
case AVDTP_SUBEVENT_SIGNALING_REJECT:
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
printf("AVDTP Sink command rejected\n");
}
break;
default:
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
}
printf("AVDTP Sink event 0x%02x not parsed\n", packet[2]);
break;
}
}
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 uint8_t media_sbc_codec_configuration[] = {
(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
2, 53
};
static uint8_t media_sbc_codec_reconfiguration[] = {
// (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
// (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_SNR,
// 32, 32
(AVDTP_SBC_44100 << 4) | AVDTP_SBC_MONO,
(AVDTP_SBC_BLOCK_LENGTH_8 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
32, 32
};
#ifdef HAVE_BTSTACK_STDIN
static void show_usage(void){
bd_addr_t iut_address;
gap_local_bd_addr(iut_address);
printf("\n--- Bluetooth AVDTP SINK Test Console %s ---\n", bd_addr_to_str(iut_address));
printf("c - create connection to addr %s\n", device_addr_string);
printf("d - discover stream endpoints\n");
printf("g - get capabilities\n");
printf("a - get all capabilities\n");
printf("s - set configuration\n");
printf("f - get configuration\n");
printf("R - reconfigure stream with %d\n", remote_seid);
printf("o - establish stream with seid %d\n", remote_seid);
printf("m - start stream with %d\n", remote_seid);
printf("A - abort stream with %d\n", remote_seid);
printf("P - suspend (pause) stream with %d\n", remote_seid);
printf("S - stop (release) stream with %d\n", remote_seid);
printf("D - send delay report");
printf("C - disconnect\n");
printf("Ctrl-c - exit\n");
printf("---\n");
}
static void stdin_process(char cmd){
uint8_t status = ERROR_CODE_SUCCESS;
remote_seid = 1;
is_cmd_triggered_localy = 1;
switch (cmd){
case 'c':
printf("Establish AVDTP Sink connection to %s\n", device_addr_string);
status = avdtp_sink_connect(device_addr, &avdtp_cid);
break;
case 'C':
printf("Disconnect AVDTP Sink\n");
status = avdtp_sink_disconnect(avdtp_cid);
break;
case 'd':
printf("Discover stream endpoints of %s\n", device_addr_string);
status = avdtp_sink_discover_stream_endpoints(avdtp_cid);
break;
case 'g':
printf("Get capabilities of stream endpoint with seid %d\n", remote_seid);
status = avdtp_sink_get_capabilities(avdtp_cid, remote_seid);
break;
case 'a':
printf("Get all capabilities of stream endpoint with seid %d\n", remote_seid);
status = avdtp_sink_get_all_capabilities(avdtp_cid, remote_seid);
break;
case 'f':
printf("Get configuration of stream endpoint with seid %d\n", remote_seid);
status = avdtp_sink_get_configuration(avdtp_cid, remote_seid);
break;
case 's':
printf("Set configuration of stream endpoint with seid %d\n", remote_seid);
remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
remote_configuration.media_codec.media_type = AVDTP_AUDIO;
remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC;
remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_configuration);
remote_configuration.media_codec.media_codec_information = media_sbc_codec_configuration;
status = avdtp_sink_set_configuration(avdtp_cid, local_seid, remote_seid, remote_configuration_bitmap, remote_configuration);
break;
case 'R':
printf("Reconfigure stream endpoint with seid %d\n", remote_seid);
remote_configuration_bitmap = 0;
remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
remote_configuration.media_codec.media_type = AVDTP_AUDIO;
remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC;
remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_reconfiguration);
remote_configuration.media_codec.media_codec_information = media_sbc_codec_reconfiguration;
status = avdtp_sink_reconfigure(avdtp_cid, local_seid, remote_seid, remote_configuration_bitmap, remote_configuration);
break;
case 'o':
printf("Establish stream between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_open_stream(avdtp_cid, local_seid, remote_seid);
break;
case 'm':
printf("Start stream between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_start_stream(avdtp_cid, local_seid);
break;
case 'A':
printf("Abort stream between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_abort_stream(avdtp_cid, local_seid);
break;
case 'S':
printf("Release stream between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_stop_stream(avdtp_cid, local_seid);
break;
case 'P':
printf("Suspend stream between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_suspend(avdtp_cid, local_seid);
break;
case 'D':
printf("Send delay report between local %d and remote %d seid\n", local_seid, remote_seid);
status = avdtp_sink_delay_report(avdtp_cid, remote_seid, 100);
break;
case '\n':
case '\r':
is_cmd_triggered_localy = 0;
break;
default:
is_cmd_triggered_localy = 0;
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_sink_init(&a2dp_sink_context);
avdtp_sink_register_packet_handler(&packet_handler);
avdtp_stream_endpoint_t * local_stream_endpoint = avdtp_sink_create_stream_endpoint(AVDTP_SINK, AVDTP_AUDIO);
if (!local_stream_endpoint) {
printf("AVDTP Sink: not enough memory to create local_stream_endpoint\n");
return 1;
}
local_seid = avdtp_local_seid(local_stream_endpoint);
avdtp_sink_register_media_transport_category(local_seid);
avdtp_sink_register_media_codec_category(local_seid, AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities));
avdtp_sink_register_media_handler(&handle_l2cap_media_data_packet);
// Initialize SDP
sdp_init();
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);
#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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