TEST(cubeb, configure_stream)
{
int r;
cubeb * ctx;
cubeb_stream * stream;
cubeb_stream_params params;
r = common_init(&ctx, "test_sanity");
ASSERT_EQ(r, CUBEB_OK);
ASSERT_NE(ctx, nullptr);
params.format = STREAM_FORMAT;
params.rate = STREAM_RATE;
params.channels = 2; // panning
params.layout = CUBEB_LAYOUT_STEREO;
r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, ¶ms, STREAM_LATENCY,
test_data_callback, test_state_callback, &dummy);
ASSERT_EQ(r, CUBEB_OK);
ASSERT_NE(stream, nullptr);
r = cubeb_stream_set_volume(stream, 1.0f);
ASSERT_TRUE(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
r = cubeb_stream_set_panning(stream, 0.0f);
ASSERT_TRUE(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
cubeb_stream_destroy(stream);
cubeb_destroy(ctx);
}
static void
test_configure_stream(void)
{
int r;
cubeb * ctx;
cubeb_stream * stream;
cubeb_stream_params params;
BEGIN_TEST;
r = cubeb_init(&ctx, "test_sanity");
assert(r == 0 && ctx);
params.format = STREAM_FORMAT;
params.rate = STREAM_RATE;
params.channels = 2; // panning
r = cubeb_stream_init(ctx, &stream, "test", params, STREAM_LATENCY,
test_data_callback, test_state_callback, &dummy);
assert(r == 0 && stream);
r = cubeb_stream_set_volume(stream, 1.0f);
assert(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
r = cubeb_stream_set_panning(stream, 0.0f);
assert(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
cubeb_stream_destroy(stream);
cubeb_destroy(ctx);
END_TEST;
}
// On certain MacBookPro, the microphone is located near the left speaker.
// We need to pan the sound output to the right speaker if we are using the mic
// and the built-in speaker, or we will have terrible echo.
void AudioStream::PanOutputIfNeeded(bool aMicrophoneActive)
{
#ifdef XP_MACOSX
cubeb_device* device;
int rv;
char name[128];
size_t length = sizeof(name);
bool panCenter = false;
rv = sysctlbyname("hw.model", name, &length, NULL, 0);
if (rv) {
return;
}
if (!strncmp(name, "MacBookPro", 10)) {
if (cubeb_stream_get_current_device(mCubebStream.get(), &device) == CUBEB_OK) {
// Check if we are currently outputing sound on external speakers.
if (!strcmp(device->output_name, "ispk")) {
// Pan everything to the right speaker.
if (aMicrophoneActive) {
LOG(("%p Panning audio output to the right.", this));
if (cubeb_stream_set_panning(mCubebStream.get(), 1.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the right.");
}
} else {
panCenter = true;
}
} else {
panCenter = true;
}
if (panCenter) {
LOG(("%p Panning audio output to the center.", this));
if (cubeb_stream_set_panning(mCubebStream.get(), 0.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the center.");
}
}
cubeb_stream_device_destroy(mCubebStream.get(), device);
}
}
#endif
}
void AudioCallbackDriver::PanOutputIfNeeded(bool aMicrophoneActive)
{
#ifdef XP_MACOSX
cubeb_device* out;
int rv;
char name[128];
size_t length = sizeof(name);
rv = sysctlbyname("hw.model", name, &length, NULL, 0);
if (rv) {
return;
}
if (!strncmp(name, "MacBookPro", 10)) {
if (cubeb_stream_get_current_device(mAudioStream, &out) == CUBEB_OK) {
// Check if we are currently outputing sound on external speakers.
if (!strcmp(out->output_name, "ispk")) {
// Pan everything to the right speaker.
if (aMicrophoneActive) {
if (cubeb_stream_set_panning(mAudioStream, 1.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the right.");
}
} else {
if (cubeb_stream_set_panning(mAudioStream, 0.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the center.");
}
}
} else {
if (cubeb_stream_set_panning(mAudioStream, 0.0) != CUBEB_OK) {
NS_WARNING("Could not pan audio output to the center.");
}
}
cubeb_stream_device_destroy(mAudioStream, out);
}
}
#endif
}
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;
}
