static void sco_demo_init_mSBC(void){
printf("SCO Demo: Init mSBC\n");
btstack_sbc_decoder_init(&decoder_state, SBC_MODE_mSBC, &handle_pcm_data, NULL);
hfp_msbc_init();
#ifdef SCO_WAV_FILENAME
num_samples_to_write = MSBC_SAMPLE_RATE * SCO_WAV_DURATION_IN_SECONDS;
wav_writer_open(SCO_WAV_FILENAME, 1, MSBC_SAMPLE_RATE);
#endif
#if SCO_DEMO_MODE == SCO_DEMO_MODE_SINE
sco_demo_msbc_fill_sine_audio_frame();
#endif
#ifdef SCO_MSBC_IN_FILENAME
msbc_file_in = fopen(SCO_MSBC_IN_FILENAME, "wb");
printf("SCO Demo: creating mSBC in file %s, %p\n", SCO_MSBC_IN_FILENAME, msbc_file_in);
#endif
#ifdef SCO_MSBC_OUT_FILENAME
msbc_file_out = fopen(SCO_MSBC_OUT_FILENAME, "wb");
printf("SCO Demo: creating mSBC out file %s, %p\n", SCO_MSBC_OUT_FILENAME, msbc_file_out);
#endif
#ifdef USE_PORTAUDIO
portaudio_initialize(MSBC_SAMPLE_RATE);
#endif
}
static int init_media_processing(avdtp_media_codec_configuration_sbc_t configuration){
int num_channels = configuration.num_channels;
int sample_rate = configuration.sampling_frequency;
#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, num_channels, sample_rate);
#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;
/* -- 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 = num_channels;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
/* -- setup stream -- */
err = Pa_OpenStream(
&stream,
NULL, /* &inputParameters */
&outputParameters,
sample_rate,
0,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback, /* use callback */
NULL );
if (err != paNoError){
printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err));
return err;
}
memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage));
btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage));
pa_stream_started = 0;
#endif
media_initialized = 1;
return 0;
}
static void sco_demo_init_CVSD(void){
printf("SCO Demo: Init CVSD\n");
#if defined(SCO_WAV_FILENAME) || defined(USE_PORTAUDIO)
btstack_cvsd_plc_init(&cvsd_plc_state);
#endif
#ifdef SCO_WAV_FILENAME
num_samples_to_write = CVSD_SAMPLE_RATE * SCO_WAV_DURATION_IN_SECONDS;
wav_writer_open(SCO_WAV_FILENAME, 1, CVSD_SAMPLE_RATE);
#endif
#ifdef USE_PORTAUDIO
portaudio_initialize(CVSD_SAMPLE_RATE);
#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
#ifdef HAVE_AUDIO_DMA
audio_stream_paused = 1;
hal_audio_dma_init(configuration.sampling_frequency);
hal_audio_dma_set_audio_played(&hal_audio_dma_done);
// start playing silence
hal_audio_dma_done();
#endif
#if defined(HAVE_PORTAUDIO) || defined (HAVE_AUDIO_DMA)
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;
}
int main(int argc, const char * argv[]){
(void) argc;
(void) argv;
PaError err;
static paTestData data;
static PaStream * stream;
/* initialise sinusoidal wavetable */
int i;
for (i=0; i<TABLE_SIZE; i++){
data.sine[i] = sin(((double)i/(double)TABLE_SIZE) * M_PI * 2.)*32767;
}
data.left_phase = data.right_phase = 0;
err = Pa_Initialize();
if (err != paNoError){
printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
PaStreamParameters outputParameters;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
outputParameters.channelCount = NUM_CHANNELS;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
/* -- setup stream -- */
err = Pa_OpenStream(
&stream,
NULL, /* &inputParameters */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback, /* use callback */
&data ); /* callback userData */
memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage));
btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage));
wav_writer_open(wav_filename, NUM_CHANNELS, SAMPLE_RATE);
if (err != paNoError){
printf("Error opening default stream: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
err = Pa_StartStream(stream);
if (err != paNoError){
printf("Error starting the stream: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
/* Sleep for several seconds. */
while (1){
fill_ring_buffer(&data);
Pa_Sleep(1);
}
err = Pa_StopStream(stream);
if (err != paNoError){
printf("Error stopping the stream: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
err = Pa_CloseStream(stream);
if (err != paNoError){
printf("Error closing the stream: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
err = Pa_Terminate();
if (err != paNoError){
printf("Error terminating portaudio: \"%s\"\n", Pa_GetErrorText(err));
return paNoError;
}
return 0;
}