int run_test(int num_channels, int sampling_rate, int is_float)
{
int r = CUBEB_OK;
cubeb *ctx = NULL;
synth_state* synth = NULL;
cubeb_stream *stream = NULL;
const char * backend_id = NULL;
r = cubeb_init(&ctx, "Cubeb audio test: channels");
if (r != CUBEB_OK) {
fprintf(stderr, "Error initializing cubeb library\n");
goto cleanup;
}
backend_id = cubeb_get_backend_id(ctx);
if ((is_float && !supports_float32(backend_id)) ||
(!is_float && !supports_int16(backend_id)) ||
!supports_channel_count(backend_id, num_channels)) {
/* don't treat this as a test failure. */
goto cleanup;
}
fprintf(stderr, "Testing %d channel(s), %d Hz, %s (%s)\n", num_channels, sampling_rate, is_float ? "float" : "short", cubeb_get_backend_id(ctx));
cubeb_stream_params params;
params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
params.rate = sampling_rate;
params.channels = num_channels;
synth = synth_create(params.channels, params.rate);
if (synth == NULL) {
fprintf(stderr, "Out of memory\n");
goto cleanup;
}
r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, ¶ms,
4096, is_float ? data_cb_float : data_cb_short, state_cb_audio, synth);
if (r != CUBEB_OK) {
fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
goto cleanup;
}
cubeb_stream_start(stream);
delay(200);
cubeb_stream_stop(stream);
cleanup:
cubeb_stream_destroy(stream);
cubeb_destroy(ctx);
synth_destroy(synth);
return r;
}
static void init(void)
{
int i;
double bpm;
double decay;
int samp_rate;
int min_burst;
int burst_increase;
int min_gain;
int gain_increase;
int detune;
config_init(&cfg);
if(!config_read_file(&cfg, CONFIG_FILE))
{
fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
exit(EXIT_FAILURE);
}
if(!config_lookup_float(&cfg, "bpm", &bpm))
config_die("bpm");
if(!config_lookup_float(&cfg, "subdiv", &subdiv))
config_die("subdiv");
if(!config_lookup_int(&cfg, "samp_rate", &samp_rate))
config_die("samp_rate");
if(!config_lookup_int(&cfg, "min_burst", &min_burst))
config_die("min_burst");
if(!config_lookup_int(&cfg, "burst_increase", &burst_increase))
config_die("burst_increase");
if(!config_lookup_float(&cfg, "decay", &decay))
config_die("decay");
if(!config_lookup_int(&cfg, "min_gain", &min_gain))
config_die("min_gain");
if(!config_lookup_int(&cfg, "gain_increase", &gain_increase))
config_die("gain_increase");
if(!config_lookup_int(&cfg, "detune", &detune))
config_die("detune");
note_length = (float)samp_rate * 60 * subdiv / bpm;
system_init();
agent_count = system_get_agent_count();
synths = calloc(agent_count, sizeof(Synth *));
for(i = 0; i < agent_count; i ++) {
float pan = ((float)i / 20) * ((i % 2) * 2 - 1) + .5;
synths[i] = synth_create(samp_rate, min_burst + i * burst_increase,
decay, pan, min_gain + gain_increase * i, detune);
}
}
int run_panning_volume_test(int is_float)
{
int r = CUBEB_OK;
cubeb *ctx = NULL;
synth_state* synth = NULL;
cubeb_stream *stream = NULL;
const char * backend_id = NULL;
r = cubeb_init(&ctx, "Cubeb audio test");
if (r != CUBEB_OK) {
fprintf(stderr, "Error initializing cubeb library\n");
goto cleanup;
}
backend_id = cubeb_get_backend_id(ctx);
if ((is_float && !supports_float32(backend_id)) ||
(!is_float && !supports_int16(backend_id))) {
/* don't treat this as a test failure. */
goto cleanup;
}
cubeb_stream_params params;
params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
params.rate = 44100;
params.channels = 2;
synth = synth_create(params.channels, params.rate);
if (synth == NULL) {
fprintf(stderr, "Out of memory\n");
goto cleanup;
}
r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, ¶ms,
4096, is_float ? data_cb_float : data_cb_short,
state_cb_audio, synth);
if (r != CUBEB_OK) {
fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
goto cleanup;
}
fprintf(stderr, "Testing: volume\n");
for(int i=0;i <= 4; ++i)
{
fprintf(stderr, "Volume: %d%%\n", i*25);
cubeb_stream_set_volume(stream, i/4.0f);
cubeb_stream_start(stream);
delay(400);
cubeb_stream_stop(stream);
delay(100);
}
fprintf(stderr, "Testing: panning\n");
for(int i=-4;i <= 4; ++i)
{
fprintf(stderr, "Panning: %.2f%%\n", i/4.0f);
cubeb_stream_set_panning(stream, i/4.0f);
cubeb_stream_start(stream);
delay(400);
cubeb_stream_stop(stream);
delay(100);
}
cleanup:
cubeb_stream_destroy(stream);
cubeb_destroy(ctx);
synth_destroy(synth);
return r;
}