mirror of
https://github.com/bluekitchen/btstack.git
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460 lines
22 KiB
C
460 lines
22 KiB
C
/*
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* Copyright (C) 2016 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <math.h>
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#include "btstack.h"
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typedef struct {
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// bitmaps
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uint8_t sampling_frequency_bitmap;
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uint8_t channel_mode_bitmap;
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uint8_t block_length_bitmap;
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uint8_t subbands_bitmap;
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uint8_t allocation_method_bitmap;
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uint8_t min_bitpool_value;
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uint8_t max_bitpool_value;
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} adtvp_media_codec_information_sbc_t;
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typedef struct {
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int reconfigure;
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int num_channels;
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int sampling_frequency;
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int channel_mode;
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int block_length;
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int subbands;
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int allocation_method;
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int min_bitpool_value;
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int max_bitpool_value;
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int frames_per_buffer;
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} avdtp_media_codec_configuration_sbc_t;
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#ifdef HAVE_BTSTACK_STDIN
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// mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3";
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// pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5";
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// mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15";
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// phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2";
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// minijambox:
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static const char * device_addr_string = "00:21:3C:AC:F7:38";
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// head phones: static const char * device_addr_string = "00:18:09:28:50:18";
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// bt dongle: static const char * device_addr_string = "00:15:83:5F:9D:46";
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#endif
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static bd_addr_t device_addr;
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static uint16_t avdtp_cid = 0;
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static uint16_t avdtp_media_cid = 0;
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static uint8_t sdp_avdtp_source_service_buffer[150];
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static uint8_t remote_seid;
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static adtvp_media_codec_information_sbc_t sbc_capability;
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static avdtp_media_codec_configuration_sbc_t sbc_configuration;
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static avdtp_stream_endpoint_t * local_stream_endpoint;
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static uint16_t remote_configuration_bitmap;
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static avdtp_capabilities_t remote_configuration;
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static avdtp_context_t a2dp_source_context;
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static const char * avdtp_si_name[] = {
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"ERROR",
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"AVDTP_SI_DISCOVER",
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"AVDTP_SI_GET_CAPABILITIES",
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"AVDTP_SI_SET_CONFIGURATION",
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"AVDTP_SI_GET_CONFIGURATION",
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"AVDTP_SI_RECONFIGURE",
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"AVDTP_SI_OPEN",
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"AVDTP_SI_START",
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"AVDTP_SI_CLOSE",
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"AVDTP_SI_SUSPEND",
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"AVDTP_SI_ABORT",
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"AVDTP_SI_SECURITY_CONTROL",
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"AVDTP_SI_GET_ALL_CAPABILITIES",
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"AVDTP_SI_DELAY_REPORT"
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};
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typedef enum {
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AVDTP_APPLICATION_IDLE,
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AVDTP_APPLICATION_W2_DISCOVER_SEPS,
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AVDTP_APPLICATION_W2_GET_CAPABILITIES,
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AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES,
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AVDTP_APPLICATION_W2_SET_CONFIGURATION,
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AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID,
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AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID,
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AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID,
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AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID,
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AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID,
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AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID,
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AVDTP_APPLICATION_W2_GET_CONFIGURATION,
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AVDTP_APPLICATION_STREAMING_OPENED
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} avdtp_application_state_t;
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avdtp_application_state_t app_state = AVDTP_APPLICATION_IDLE;
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static btstack_packet_callback_registration_t hci_event_callback_registration;
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static const char * avdtp_si2str(uint16_t index){
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if (index <= 0 || index > sizeof(avdtp_si_name)) return avdtp_si_name[0];
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return avdtp_si_name[index];
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}
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static void dump_sbc_capability(adtvp_media_codec_information_sbc_t media_codec_sbc){
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printf(" --- avdtp source --- Received media codec capability:\n");
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printf(" - sampling_frequency: 0x%02x\n", media_codec_sbc.sampling_frequency_bitmap);
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printf(" - channel_mode: 0x%02x\n", media_codec_sbc.channel_mode_bitmap);
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printf(" - block_length: 0x%02x\n", media_codec_sbc.block_length_bitmap);
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printf(" - subbands: 0x%02x\n", media_codec_sbc.subbands_bitmap);
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printf(" - allocation_method: 0x%02x\n", media_codec_sbc.allocation_method_bitmap);
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printf(" - bitpool_value [%d, %d] \n", media_codec_sbc.min_bitpool_value, media_codec_sbc.max_bitpool_value);
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printf("\n");
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}
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static void dump_sbc_configuration(avdtp_media_codec_configuration_sbc_t configuration){
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printf(" --- avdtp source --- Received media codec configuration:\n");
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printf(" - num_channels: %d\n", configuration.num_channels);
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printf(" - sampling_frequency: %d\n", configuration.sampling_frequency);
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printf(" - channel_mode: %d\n", configuration.channel_mode);
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printf(" - block_length: %d\n", configuration.block_length);
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printf(" - subbands: %d\n", configuration.subbands);
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printf(" - allocation_method: %d\n", configuration.allocation_method);
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printf(" - bitpool_value [%d, %d] \n", configuration.min_bitpool_value, configuration.max_bitpool_value);
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printf("\n");
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}
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static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
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UNUSED(channel);
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UNUSED(size);
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bd_addr_t event_addr;
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uint8_t signal_identifier;
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uint8_t status;
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avdtp_sep_t sep;
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switch (packet_type) {
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case HCI_EVENT_PACKET:
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switch (hci_event_packet_get_type(packet)) {
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case HCI_EVENT_PIN_CODE_REQUEST:
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// inform about pin code request
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printf("Pin code request - using '0000'\n");
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hci_event_pin_code_request_get_bd_addr(packet, event_addr);
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hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
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break;
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case HCI_EVENT_DISCONNECTION_COMPLETE:
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// connection closed -> quit test app
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printf("\n --- avdtp source --- HCI_EVENT_DISCONNECTION_COMPLETE ---\n");
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break;
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case HCI_EVENT_AVDTP_META:
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switch (packet[2]){
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case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
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avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
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status = avdtp_subevent_signaling_connection_established_get_status(packet);
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if (status != 0){
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printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION cpould not be established, status %d ---\n", status);
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break;
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}
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printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED, con handle 0x%02x ---\n", avdtp_cid);
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break;
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case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
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avdtp_media_cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet);
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status = avdtp_subevent_streaming_connection_established_get_status(packet);
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if (status != 0){
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printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION could not be established, status %d ---\n", status);
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break;
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}
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app_state = AVDTP_APPLICATION_STREAMING_OPENED;
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printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED, con handle 0x%02x ---\n", avdtp_media_cid);
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break;
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case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
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if (app_state != AVDTP_APPLICATION_W2_DISCOVER_SEPS) return;
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sep.seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);
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sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet);
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sep.media_type = avdtp_subevent_signaling_sep_found_get_media_type(packet);
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sep.type = avdtp_subevent_signaling_sep_found_get_sep_type(packet);
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printf(" --- avdtp source --- Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n", sep.seid, sep.in_use, sep.media_type, sep.type);
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break;
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case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
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app_state = AVDTP_APPLICATION_IDLE;
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sbc_capability.sampling_frequency_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet);
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sbc_capability.channel_mode_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet);
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sbc_capability.block_length_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet);
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sbc_capability.subbands_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet);
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sbc_capability.allocation_method_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet);
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sbc_capability.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet);
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sbc_capability.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet);
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dump_sbc_capability(sbc_capability);
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break;
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case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{
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app_state = AVDTP_APPLICATION_IDLE;
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sbc_configuration.reconfigure = avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet);
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sbc_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet);
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sbc_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet);
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sbc_configuration.channel_mode = avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet);
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sbc_configuration.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet);
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sbc_configuration.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet);
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sbc_configuration.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet);
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sbc_configuration.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet);
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sbc_configuration.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet);
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sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length;
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dump_sbc_configuration(sbc_configuration);
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// if (sbc_configuration.reconfigure){}
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break;
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}
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case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
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printf(" --- avdtp source --- received non SBC codec. not implemented\n");
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break;
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case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
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app_state = AVDTP_APPLICATION_IDLE;
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signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet);
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printf(" --- avdtp source --- Accepted %s\n", avdtp_si2str(signal_identifier));
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if (app_state != AVDTP_APPLICATION_STREAMING_OPENED) return;
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switch (signal_identifier){
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case AVDTP_SI_START:
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break;
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case AVDTP_SI_CLOSE:
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break;
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case AVDTP_SI_SUSPEND:
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break;
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case AVDTP_SI_ABORT:
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break;
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default:
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break;
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}
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break;
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case AVDTP_SUBEVENT_SIGNALING_REJECT:
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signal_identifier = avdtp_subevent_signaling_reject_get_signal_identifier(packet);
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printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier));
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break;
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case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
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signal_identifier = avdtp_subevent_signaling_general_reject_get_signal_identifier(packet);
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printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier));
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break;
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default:
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printf(" --- avdtp source --- not implemented\n");
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break;
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}
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break;
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default:
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break;
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}
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break;
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default:
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// other packet type
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break;
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}
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}
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static const uint8_t media_sbc_codec_capabilities[] = {
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0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
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0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
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2, 53
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};
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static const uint8_t media_sbc_codec_configuration[] = {
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(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
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(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
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2, 53
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};
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static const uint8_t media_sbc_codec_reconfiguration[] = {
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(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
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(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_SNR,
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2, 53
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};
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#ifdef HAVE_BTSTACK_STDIN
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static void show_usage(void){
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bd_addr_t iut_address;
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gap_local_bd_addr(iut_address);
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printf("\n--- Bluetooth AVDTP SOURCE Test Console %s ---\n", bd_addr_to_str(iut_address));
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printf("c - create connection to addr %s\n", device_addr_string);
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printf("C - disconnect\n");
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printf("d - discover stream endpoints\n");
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printf("g - get capabilities\n");
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printf("a - get all capabilities\n");
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printf("s - set configuration\n");
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printf("f - get configuration\n");
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printf("R - reconfigure stream with %d\n", remote_seid);
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printf("o - open stream with seid %d\n", remote_seid);
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printf("m - start stream with %d\n", remote_seid);
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printf("x - start data stream\n");
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printf("X - stop data stream\n");
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printf("A - abort stream with %d\n", remote_seid);
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printf("S - stop stream with %d\n", remote_seid);
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printf("P - suspend stream with %d\n", remote_seid);
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printf("Ctrl-c - exit\n");
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printf("---\n");
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}
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static void stdin_process(char cmd){
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remote_seid = 1;
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switch (cmd){
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case 'c':
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printf("Creating L2CAP Connection to %s, BLUETOOTH_PROTOCOL_AVDTP\n", device_addr_string);
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avdtp_source_connect(device_addr, &avdtp_cid);
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break;
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case 'C':
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printf("Disconnect not implemented\n");
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avdtp_source_disconnect(avdtp_cid);
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break;
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case 'd':
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app_state = AVDTP_APPLICATION_W2_DISCOVER_SEPS;
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avdtp_source_discover_stream_endpoints(avdtp_cid);
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break;
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case 'g':
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app_state = AVDTP_APPLICATION_W2_GET_CAPABILITIES;
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avdtp_source_get_capabilities(avdtp_cid, remote_seid);
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break;
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case 'a':
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app_state = AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES;
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avdtp_source_get_all_capabilities(avdtp_cid, remote_seid);
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break;
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case 'f':
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app_state = AVDTP_APPLICATION_W2_GET_CONFIGURATION;
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avdtp_source_get_configuration(avdtp_cid, remote_seid);
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break;
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case 's':
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app_state = AVDTP_APPLICATION_W2_SET_CONFIGURATION;
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remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
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remote_configuration.media_codec.media_type = AVDTP_AUDIO;
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remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC;
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remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_configuration);
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remote_configuration.media_codec.media_codec_information = (uint8_t *)media_sbc_codec_configuration;
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avdtp_source_set_configuration(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid, remote_configuration_bitmap, remote_configuration);
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break;
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case 'R':
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app_state = AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID;
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remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
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remote_configuration.media_codec.media_type = AVDTP_AUDIO;
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remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC;
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remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_reconfiguration);
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remote_configuration.media_codec.media_codec_information = (uint8_t *)media_sbc_codec_reconfiguration;
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|
avdtp_source_reconfigure(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid, remote_configuration_bitmap, remote_configuration);
|
|
break;
|
|
case 'o':
|
|
app_state = AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID;
|
|
avdtp_source_open_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid);
|
|
break;
|
|
case 'm':
|
|
app_state = AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID;
|
|
avdtp_source_start_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
case 'A':
|
|
app_state = AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID;
|
|
avdtp_source_abort_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
case 'S':
|
|
app_state = AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID;
|
|
avdtp_source_stop_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
case 'P':
|
|
app_state = AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID;
|
|
avdtp_source_suspend(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
case 'x':
|
|
printf("start streaming sine\n");
|
|
avdtp_source_start_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
case 'X':
|
|
printf("stop streaming sine\n");
|
|
avdtp_source_stop_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint));
|
|
break;
|
|
|
|
case '\n':
|
|
case '\r':
|
|
break;
|
|
default:
|
|
show_usage();
|
|
break;
|
|
|
|
}
|
|
}
|
|
#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(&a2dp_source_context);
|
|
avdtp_source_register_packet_handler(&packet_handler);
|
|
|
|
//#ifndef SMG_BI
|
|
local_stream_endpoint = avdtp_source_create_stream_endpoint(AVDTP_SOURCE, AVDTP_AUDIO);
|
|
avdtp_source_register_media_transport_category(avdtp_local_seid(local_stream_endpoint));
|
|
avdtp_source_register_media_codec_category(avdtp_local_seid(local_stream_endpoint), AVDTP_AUDIO, AVDTP_CODEC_SBC, (uint8_t *)media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities));
|
|
//#endif
|
|
// uint8_t cp_type_lsb, uint8_t cp_type_msb, const uint8_t * cp_type_value, uint8_t cp_type_value_len
|
|
// avdtp_source_register_content_protection_category(seid, 2, 2, NULL, 0);
|
|
|
|
// Initialize SDP
|
|
sdp_init();
|
|
memset(sdp_avdtp_source_service_buffer, 0, sizeof(sdp_avdtp_source_service_buffer));
|
|
a2dp_source_create_sdp_record(sdp_avdtp_source_service_buffer, 0x10002, 1, NULL, NULL);
|
|
sdp_register_service(sdp_avdtp_source_service_buffer);
|
|
|
|
gap_set_local_name("BTstack A2DP Source Test");
|
|
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;
|
|
}
|