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https://github.com/bluekitchen/btstack.git
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test/pts: link against portaudio, rework avdtp_sink_test
This commit is contained in:
Matthias Ringwald
parent
2b6ecffc7f
commit
35015a8866
@ -10,6 +10,13 @@ include_directories(${LIBUSB_INCLUDE_DIRS})
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link_directories(${LIBUSB_LIBRARY_DIRS})
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link_libraries(${LIBUSB_LIBRARIES})
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# portaudio
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pkg_check_modules(PORTAUDIO REQUIRED portaudio-2.0)
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include_directories(${PORTAUDIO_INCLUDE_DIRS})
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link_directories(${PORTAUDIO_LIBRARY_DIRS})
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link_libraries(${PORTAUDIO_LIBRARIES})
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add_compile_definitions(HAVE_PORTAUDIO)
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include_directories(../../3rd-party/micro-ecc)
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include_directories(../../3rd-party/bluedroid/decoder/include)
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include_directories(../../3rd-party/bluedroid/encoder/include)
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@ -47,58 +47,31 @@
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#include "btstack_resample.h"
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#include "btstack_ring_buffer.h"
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#ifdef HAVE_PORTAUDIO
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#include <portaudio.h>
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#endif
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#ifdef HAVE_POSIX_FILE_IO
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#include "wav_util.h"
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#define STORE_SBC_TO_SBC_FILE
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#define STORE_SBC_TO_WAV_FILE
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#endif
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#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
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#define DECODE_SBC
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#endif
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//
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// Configuration
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//
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#define NUM_CHANNELS 2
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#define BYTES_PER_FRAME (2*NUM_CHANNELS)
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// Playback
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#define SAMPLE_RATE 48000
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#define PREBUFFER_MS 100
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#define AUDIO_BUFFER_SIZE (AUDIO_BUFFER_MS*SAMPLE_RATE/BYTES_PER_FRAME)
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#define AUDIO_BUFFER_MS 200
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#define MAX_SBC_FRAME_SIZE 120
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// SBC Decoder for WAV file or PortAudio
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#ifdef DECODE_SBC
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static btstack_sbc_decoder_state_t state;
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static btstack_sbc_mode_t mode = SBC_MODE_STANDARD;
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#endif
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// PortAudio - live playback
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#if defined(HAVE_PORTAUDIO)
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#define PREBUFFER_MS 200
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#define PA_SAMPLE_TYPE paInt16
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#define SAMPLE_RATE 48000
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#define FRAMES_PER_BUFFER 128
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#define PREBUFFER_BYTES (PREBUFFER_MS*SAMPLE_RATE/1000*BYTES_PER_FRAME)
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static int audio_stream_started = 0;
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#endif
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static int media_initialized = 0;
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static btstack_resample_t resample_instance;
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// ring buffer for SBC Frames
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// below 30: add samples, 30-40: fine, above 40: drop samples
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#define OPTIMAL_FRAMES_MIN 30
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#define OPTIMAL_FRAMES_MAX 40
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#define ADDITIONAL_FRAMES 20
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static uint8_t sbc_frame_storage[(OPTIMAL_FRAMES_MAX + ADDITIONAL_FRAMES) * MAX_SBC_FRAME_SIZE];
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static btstack_ring_buffer_t sbc_frame_ring_buffer;
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static unsigned int sbc_frame_size;
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// rest buffer for not fully used sbc frames, with additional frames for resampling
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static uint8_t decoded_audio_storage[(128+16) * BYTES_PER_FRAME];
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static btstack_ring_buffer_t decoded_audio_ring_buffer;
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static const char * wav_filename = "avdtp_sink_test.wav";
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typedef struct {
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// bitmaps
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uint8_t sampling_frequency_bitmap;
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@ -122,30 +95,55 @@ typedef struct {
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int max_bitpool_value;
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} avdtp_media_codec_configuration_sbc_t;
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typedef struct {
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uint8_t num_channels;
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uint32_t sampling_frequency;
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} playback_configuration_t;
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// REMOTE Device
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// mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3";
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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: 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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// PTS:
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static const char * device_addr_string = "00:1B:DC:08:E2:5C";
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static bd_addr_t device_addr;
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static uint8_t is_cmd_triggered_localy = 0;
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static uint8_t is_media_header_reported_once = 0;
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static uint16_t avdtp_cid = 0;
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static uint8_t local_seid = 0;
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static uint8_t sdp_avdtp_sink_service_buffer[150];
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// stack stuff
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static btstack_packet_callback_registration_t hci_event_callback_registration;
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static uint16_t avdtp_cid;
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static uint8_t local_seid;
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static uint8_t remote_seid;
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static uint8_t is_cmd_triggered_locally = 0;
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static uint8_t is_media_header_reported_once = 0;
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// playback
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static int playback_initialized = 0;
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static bool playback_active = false;
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static playback_configuration_t playback_configuration;
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// large audio buffer to store up to AUDIO_MS of audio data
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static uint8_t decoded_audio_storage[AUDIO_BUFFER_SIZE];
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static btstack_ring_buffer_t decoded_audio_ring_buffer;
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// active codec
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static avdtp_media_codec_type_t codec_type;
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// SBC
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static btstack_sbc_decoder_state_t state;
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static btstack_sbc_mode_t mode = SBC_MODE_STANDARD;
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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 uint8_t local_seid;
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static uint8_t remote_seid;
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// static avdtp_sep_t sep;
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static unsigned int sbc_frame_size;
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// xxx
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// ..
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static int16_t * request_buffer;
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static int request_frames;
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@ -153,162 +151,132 @@ static int request_frames;
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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 btstack_packet_callback_registration_t hci_event_callback_registration;
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#if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE)
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static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context);
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#endif
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static void media_processing_start(void){
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if (!media_initialized) return;
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// setup audio playback
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const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
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if (audio){
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audio->start_stream();
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}
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audio_stream_started = 1;
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}
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static void media_processing_pause(void){
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if (!media_initialized) return;
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// stop audio playback
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audio_stream_started = 0;
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const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
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if (audio){
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audio->stop_stream();
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}
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}
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// prototypes
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static void handle_pcm_data(int16_t * data, uint16_t num_samples, uint8_t num_channels, int sample_rate, void * context);
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static int read_media_data_header(uint8_t * packet, uint16_t size, uint16_t * offset, avdtp_media_packet_header_t * media_header);
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static int read_sbc_header(uint8_t * packet, uint16_t size, uint16_t * offset, avdtp_sbc_codec_header_t * sbc_header);
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// Playback: PCM ring buffer
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static void playback_handler(int16_t * buffer, uint16_t num_audio_frames){
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int wav_samples = num_audio_frames * playback_configuration.num_channels;
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#ifdef STORE_TO_WAV_FILE
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int wav_samples = num_audio_frames * NUM_CHANNELS;
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int16_t * wav_buffer = buffer;
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#endif
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// called from lower-layer but guaranteed to be on main thread
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if (sbc_frame_size == 0){
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uint32_t bytes_available = btstack_ring_buffer_bytes_available(&decoded_audio_ring_buffer);
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uint32_t bytes_requested = wav_samples * 2;
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uint32_t bytes_start = playback_configuration.sampling_frequency * PREBUFFER_MS / 1000 * playback_configuration.num_channels;
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bool sufficient_data_now = bytes_available > bytes_requested;
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bool sufficient_data_start = bytes_available > bytes_start;
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// check for underrun
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if (playback_active && !sufficient_data_now){
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printf("Playback: Underrun, pause (have %u, need %u\n", bytes_available, bytes_requested);
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playback_active = false;
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}
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// check for start
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if (!playback_active && sufficient_data_start){
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// printf("Playback: start - have %u, start %u\n", bytes_available, bytes_start);
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playback_active = true;
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}
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// play silence
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if (!playback_active){
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playback_active = false;
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memset(buffer, 0, num_audio_frames * BYTES_PER_FRAME);
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return;
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}
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// first fill from resampled audio
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// read data from ring buffer
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uint32_t bytes_read;
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btstack_ring_buffer_read(&decoded_audio_ring_buffer, (uint8_t *) buffer, num_audio_frames * BYTES_PER_FRAME, &bytes_read);
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buffer += bytes_read / NUM_CHANNELS;
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num_audio_frames -= bytes_read / BYTES_PER_FRAME;
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// then start decoding sbc frames using request_* globals
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request_buffer = buffer;
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request_frames = num_audio_frames;
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while (request_frames && btstack_ring_buffer_bytes_available(&sbc_frame_ring_buffer) >= sbc_frame_size){
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// decode frame
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uint8_t sbc_frame[MAX_SBC_FRAME_SIZE];
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btstack_ring_buffer_read(&sbc_frame_ring_buffer, sbc_frame, sbc_frame_size, &bytes_read);
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btstack_sbc_decoder_process_data(&state, 0, sbc_frame, sbc_frame_size);
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}
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#ifdef STORE_TO_WAV_FILE
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audio_frame_count += num_audio_frames;
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wav_writer_write_int16(wav_samples, wav_buffer);
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#endif
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}
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static int playback_init(playback_configuration_t * configuration){
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if (playback_initialized) return 0;
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playback_initialized = 1;
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static int media_processing_init(avdtp_media_codec_configuration_sbc_t configuration){
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if (media_initialized) return 0;
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btstack_sbc_decoder_init(&state, mode, handle_pcm_data, NULL);
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#ifdef STORE_TO_WAV_FILE
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wav_writer_open(wav_filename, configuration.num_channels, configuration.sampling_frequency);
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#endif
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#ifdef STORE_TO_SBC_FILE
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sbc_file = fopen(sbc_filename, "wb");
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#endif
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btstack_ring_buffer_init(&sbc_frame_ring_buffer, sbc_frame_storage, sizeof(sbc_frame_storage));
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playback_active = false;
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btstack_ring_buffer_init(&decoded_audio_ring_buffer, decoded_audio_storage, sizeof(decoded_audio_storage));
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btstack_resample_init(&resample_instance, configuration.num_channels);
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// wav writer
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printf("WAV Writer: open %s\n", wav_filename);
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wav_writer_open(wav_filename, configuration->num_channels, configuration->sampling_frequency);
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// setup audio playback
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const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
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if (audio){
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audio->init(NUM_CHANNELS, configuration.sampling_frequency, &playback_handler);
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printf("Open audio stream\n");
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audio->init(NUM_CHANNELS, configuration->sampling_frequency, &playback_handler);
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audio->start_stream();
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}
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audio_stream_started = 0;
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media_initialized = 1;
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return 0;
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}
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static void playback_start(void){
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}
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static void media_processing_close(void){
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if (!media_initialized) return;
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media_initialized = 0;
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audio_stream_started = 0;
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sbc_frame_size = 0;
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static void playback_pause(void){
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if (!playback_initialized) return;
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// discard audio, play silence
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playback_active = false;
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btstack_ring_buffer_init(&decoded_audio_ring_buffer, decoded_audio_storage, sizeof(decoded_audio_storage));
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}
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#ifdef STORE_TO_WAV_FILE
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static void playback_close(void){
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if (!playback_initialized) return;
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playback_initialized = 0;
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playback_active = false;
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// close wav
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printf("WAV Writer: close %s\n", wav_filename);
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wav_writer_close();
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uint32_t total_frames_nr = state.good_frames_nr + state.bad_frames_nr + state.zero_frames_nr;
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printf("WAV Writer: Decoding done. Processed %u SBC frames:\n - %d good\n - %d bad\n", total_frames_nr, state.good_frames_nr, total_frames_nr - state.good_frames_nr);
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printf("WAV Writer: Wrote %u audio frames to wav file: %s\n", audio_frame_count, wav_filename);
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#endif
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#ifdef STORE_TO_SBC_FILE
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fclose(sbc_file);
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#endif
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// stop audio playback
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const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
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if (audio){
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printf("close stream\n");
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printf("Open audio stream\n");
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audio->close();
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}
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}
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static int read_media_data_header(uint8_t * packet, int size, int * offset, avdtp_media_packet_header_t * media_header);
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static int read_sbc_header(uint8_t * packet, int size, int * offset, avdtp_sbc_codec_header_t * sbc_header);
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static void playback_queue_audio(int16_t * data, int num_audio_frames, int num_channels){
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// write to wav file
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wav_writer_write_int16(num_audio_frames * num_channels, data);
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static void handle_pcm_data(int16_t * data, int num_audio_frames, int num_channels, int sample_rate, void * context){
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UNUSED(sample_rate);
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UNUSED(context);
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UNUSED(num_channels); // must be stereo == 2
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const btstack_audio_sink_t * audio_sink = btstack_audio_sink_get_instance();
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if (!audio_sink){
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#ifdef STORE_TO_WAV_FILE
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audio_frame_count += num_audio_frames;
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wav_writer_write_int16(num_audio_frames * NUM_CHANNELS, data);
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#endif
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return;
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}
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// resample into request buffer - add some additional space for resampling
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int16_t output_buffer[(128+16) * NUM_CHANNELS]; // 16 * 8 * 2
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uint32_t resampled_frames = btstack_resample_block(&resample_instance, data, num_audio_frames, output_buffer);
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// store data in btstack_audio buffer first
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int frames_to_copy = btstack_min(resampled_frames, request_frames);
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memcpy(request_buffer, output_buffer, frames_to_copy * BYTES_PER_FRAME);
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request_frames -= frames_to_copy;
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request_buffer += frames_to_copy * NUM_CHANNELS;
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// and rest in ring buffer
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int frames_to_store = resampled_frames - frames_to_copy;
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if (frames_to_store){
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int status = btstack_ring_buffer_write(&decoded_audio_ring_buffer, (uint8_t *)&output_buffer[frames_to_copy * NUM_CHANNELS], frames_to_store * BYTES_PER_FRAME);
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if (status){
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printf("Error storing samples in PCM ring buffer!!!\n");
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}
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// store in audio ring buffer
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int status = btstack_ring_buffer_write(&decoded_audio_ring_buffer, (uint8_t *)data, num_audio_frames * num_channels * 2);
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if (status){
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printf("Error storing samples in PCM ring buffer!!!\n");
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}
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log_info("buffer: store %u frames, have %u bytes", num_audio_frames, btstack_ring_buffer_bytes_available(&decoded_audio_ring_buffer));
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}
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static int read_sbc_header(uint8_t * packet, int size, int * offset, avdtp_sbc_codec_header_t * sbc_header){
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int sbc_header_len = 12; // without crc
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//
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// SBC Codec
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//
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static void dump_sbc_capability(adtvp_media_codec_information_sbc_t capabilities){
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printf(" - sampling_frequency: 0x%02x\n", capabilities.sampling_frequency_bitmap);
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printf(" - channel_mode: 0x%02x\n", capabilities.channel_mode_bitmap);
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printf(" - block_length: 0x%02x\n", capabilities.block_length_bitmap);
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printf(" - subbands: 0x%02x\n", capabilities.subbands_bitmap);
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printf(" - allocation_method: 0x%02x\n", capabilities.allocation_method_bitmap);
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printf(" - bitpool_value [%d, %d] \n", capabilities.min_bitpool_value, capabilities.max_bitpool_value);
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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(" - 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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}
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static int read_sbc_header(uint8_t * packet, uint16_t size, uint16_t * offset, avdtp_sbc_codec_header_t * sbc_header){
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int sbc_header_len = 1; // without crc
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int pos = *offset;
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if (size - pos < sbc_header_len){
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@ -326,10 +294,34 @@ static int read_sbc_header(uint8_t * packet, int size, int * offset, avdtp_sbc_c
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return 1;
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}
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static int read_media_data_header(uint8_t *packet, int size, int *offset, avdtp_media_packet_header_t *media_header){
|
||||
static void sbc_handle_pcm_data(int16_t * data, int num_audio_frames, int num_channels, int sample_rate, void * context){
|
||||
UNUSED(sample_rate);
|
||||
UNUSED(context);
|
||||
playback_queue_audio(data, num_audio_frames, num_channels);
|
||||
}
|
||||
|
||||
static void handle_l2cap_media_data_packet_sbc(uint8_t *packet, uint16_t size){
|
||||
uint16_t 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;
|
||||
|
||||
btstack_sbc_decoder_process_data(&state, 0, packet+pos, size-pos);
|
||||
}
|
||||
|
||||
|
||||
// Codec XXX
|
||||
//
|
||||
//
|
||||
|
||||
// A2DP Media Payload Processing
|
||||
static int read_media_data_header(uint8_t *packet, u_int16_t size, uint16_t *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;
|
||||
@ -355,96 +347,32 @@ static int read_media_data_header(uint8_t *packet, int size, int *offset, avdtp_
|
||||
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);
|
||||
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 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;
|
||||
|
||||
#ifdef STORE_TO_SBC_FILE
|
||||
fwrite(packet+pos, size-pos, 1, sbc_file);
|
||||
#endif
|
||||
|
||||
const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
|
||||
// process data right away if there's no audio implementation active, e.g. on posix systems to store as .wav
|
||||
if (!audio){
|
||||
btstack_sbc_decoder_process_data(&state, 0, packet+pos, size-pos);
|
||||
return;
|
||||
}
|
||||
|
||||
// store sbc frame size for buffer management
|
||||
sbc_frame_size = (size-pos)/ sbc_header.num_frames;
|
||||
|
||||
int status = btstack_ring_buffer_write(&sbc_frame_ring_buffer, packet+pos, size-pos);
|
||||
if (status){
|
||||
printf("Error storing samples in SBC ring buffer!!!\n");
|
||||
}
|
||||
|
||||
// decide on audio sync drift based on number of sbc frames in queue
|
||||
int sbc_frames_in_buffer = btstack_ring_buffer_bytes_available(&sbc_frame_ring_buffer) / sbc_frame_size;
|
||||
uint32_t resampling_factor;
|
||||
|
||||
// nomimal factor (fixed-point 2^16) and compensation offset
|
||||
uint32_t nomimal_factor = 0x10000;
|
||||
uint32_t compensation = 0x00100;
|
||||
|
||||
if (sbc_frames_in_buffer < OPTIMAL_FRAMES_MIN){
|
||||
resampling_factor = nomimal_factor - compensation; // stretch samples
|
||||
} else if (sbc_frames_in_buffer <= OPTIMAL_FRAMES_MAX){
|
||||
resampling_factor = nomimal_factor; // nothing to do
|
||||
} else {
|
||||
resampling_factor = nomimal_factor + compensation; // compress samples
|
||||
}
|
||||
|
||||
btstack_resample_set_factor(&resample_instance, resampling_factor);
|
||||
|
||||
// start stream if enough frames buffered
|
||||
if (!audio_stream_started && sbc_frames_in_buffer >= OPTIMAL_FRAMES_MIN){
|
||||
audio_stream_started = 1;
|
||||
// setup audio playback
|
||||
if (audio){
|
||||
audio->start_stream();
|
||||
}
|
||||
switch (codec_type){
|
||||
case AVDTP_CODEC_SBC:
|
||||
handle_l2cap_media_data_packet_sbc(packet, size);
|
||||
break;
|
||||
default:
|
||||
printf("Media Codec %u not supported yet\n", codec_type);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
|
||||
UNUSED(channel);
|
||||
UNUSED(channel);
|
||||
UNUSED(size);
|
||||
uint8_t status;
|
||||
|
||||
@ -529,7 +457,13 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
|
||||
printf("Received non SBC codec, event not parsed.\n");
|
||||
break;
|
||||
|
||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{
|
||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:
|
||||
|
||||
codec_type = AVDTP_CODEC_SBC;
|
||||
playback_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet);
|
||||
playback_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet);;
|
||||
btstack_sbc_decoder_init(&state, mode, sbc_handle_pcm_data, NULL);
|
||||
|
||||
printf("Received SBC codec configuration: avdtp_cid 0x%02x.\n", avdtp_cid);
|
||||
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);
|
||||
@ -544,7 +478,6 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
|
||||
|
||||
avdtp_sink_delay_report(avdtp_cid, remote_seid, 100);
|
||||
break;
|
||||
}
|
||||
|
||||
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
|
||||
avdtp_cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet);
|
||||
@ -553,47 +486,47 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
|
||||
|
||||
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
|
||||
printf("Streaming connection released: avdtp_cid 0x%02x.\n", avdtp_cid);
|
||||
is_cmd_triggered_localy = 0;
|
||||
is_cmd_triggered_locally = 0;
|
||||
is_media_header_reported_once = 0;
|
||||
media_processing_close();
|
||||
playback_close();
|
||||
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_close();
|
||||
media_processing_init(sbc_configuration);
|
||||
media_processing_start();
|
||||
playback_close();
|
||||
playback_init(&playback_configuration);
|
||||
playback_start();
|
||||
break;
|
||||
case AVDTP_SI_SUSPEND:
|
||||
printf("Stream paused\n");
|
||||
media_processing_pause();
|
||||
playback_pause();
|
||||
break;
|
||||
case AVDTP_SI_ABORT:
|
||||
case AVDTP_SI_CLOSE:
|
||||
printf("Stream stoped\n");
|
||||
media_processing_close();
|
||||
playback_close();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
if (is_cmd_triggered_localy){
|
||||
is_cmd_triggered_localy = 0;
|
||||
if (is_cmd_triggered_locally){
|
||||
is_cmd_triggered_locally = 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;
|
||||
if (is_cmd_triggered_locally){
|
||||
is_cmd_triggered_locally = 0;
|
||||
printf("AVDTP Sink command rejected\n");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
if (is_cmd_triggered_localy){
|
||||
is_cmd_triggered_localy = 0;
|
||||
if (is_cmd_triggered_locally){
|
||||
is_cmd_triggered_locally = 0;
|
||||
}
|
||||
printf("AVDTP Sink event 0x%02x not parsed\n", packet[2]);
|
||||
break;
|
||||
@ -622,7 +555,6 @@ static uint8_t media_sbc_codec_reconfiguration[] = {
|
||||
32, 32
|
||||
};
|
||||
|
||||
#ifdef HAVE_BTSTACK_STDIN
|
||||
static void show_usage(void){
|
||||
bd_addr_t iut_address;
|
||||
gap_local_bd_addr(iut_address);
|
||||
@ -639,7 +571,7 @@ static void show_usage(void){
|
||||
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("D - send delay report\n");
|
||||
printf("C - disconnect\n");
|
||||
printf("Ctrl-c - exit\n");
|
||||
printf("---\n");
|
||||
@ -648,7 +580,7 @@ static void show_usage(void){
|
||||
static void stdin_process(char cmd){
|
||||
uint8_t status = ERROR_CODE_SUCCESS;
|
||||
remote_seid = 1;
|
||||
is_cmd_triggered_localy = 1;
|
||||
is_cmd_triggered_locally = 1;
|
||||
switch (cmd){
|
||||
case 'c':
|
||||
printf("Establish AVDTP Sink connection to %s\n", device_addr_string);
|
||||
@ -719,10 +651,10 @@ static void stdin_process(char cmd){
|
||||
break;
|
||||
case '\n':
|
||||
case '\r':
|
||||
is_cmd_triggered_localy = 0;
|
||||
is_cmd_triggered_locally = 0;
|
||||
break;
|
||||
default:
|
||||
is_cmd_triggered_localy = 0;
|
||||
is_cmd_triggered_locally = 0;
|
||||
show_usage();
|
||||
break;
|
||||
|
||||
@ -731,7 +663,6 @@ static void stdin_process(char cmd){
|
||||
printf("AVDTP Sink cmd \'%c\' failed, status 0x%02x\n", cmd, status);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
int btstack_main(int argc, const char * argv[]);
|
||||
@ -772,11 +703,10 @@ int btstack_main(int argc, const char * argv[]){
|
||||
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;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user