static int
cbjack_graph_order_callback(void * arg)
{
cubeb * ctx = (cubeb *)arg;
int i;
uint32_t rate;
jack_latency_range_t latency_range;
jack_nframes_t port_latency, max_latency = 0;
for (int j = 0; j < MAX_STREAMS; j++) {
cubeb_stream *stm = &ctx->streams[j];
if (!stm->in_use)
continue;
if (!stm->ports_ready)
continue;
for (i = 0; i < (int)stm->out_params.channels; ++i) {
api_jack_port_get_latency_range(stm->output_ports[i], JackPlaybackLatency, &latency_range);
port_latency = latency_range.max;
if (port_latency > max_latency)
max_latency = port_latency;
}
/* Cap minimum latency to 128 frames */
if (max_latency < 128)
max_latency = 128;
}
if (cbjack_get_preferred_sample_rate(ctx, &rate) == CUBEB_ERROR)
ctx->jack_latency = (max_latency * 1000) / 48000;
else
ctx->jack_latency = (max_latency * 1000) / rate;
return 0;
}
static int
cbjack_enumerate_devices(cubeb * context, cubeb_device_type type,
cubeb_device_collection ** collection)
{
if (!context)
return CUBEB_ERROR;
uint32_t rate;
uint8_t i = 0;
uint8_t j;
cbjack_get_preferred_sample_rate(context, &rate);
const char * j_in = "JACK capture";
const char * j_out = "JACK playback";
if (type & CUBEB_DEVICE_TYPE_OUTPUT) {
context->devinfo[i] = (cubeb_device_info *)malloc(sizeof(cubeb_device_info));
context->devinfo[i]->device_id = strdup(j_out);
context->devinfo[i]->devid = context->devinfo[i]->device_id;
context->devinfo[i]->friendly_name = strdup(j_out);
context->devinfo[i]->group_id = strdup(j_out);
context->devinfo[i]->vendor_name = strdup(j_out);
context->devinfo[i]->type = CUBEB_DEVICE_TYPE_OUTPUT;
context->devinfo[i]->state = CUBEB_DEVICE_STATE_ENABLED;
context->devinfo[i]->preferred = CUBEB_DEVICE_PREF_ALL;
context->devinfo[i]->format = CUBEB_DEVICE_FMT_F32NE;
context->devinfo[i]->default_format = CUBEB_DEVICE_FMT_F32NE;
context->devinfo[i]->max_channels = MAX_CHANNELS;
context->devinfo[i]->min_rate = rate;
context->devinfo[i]->max_rate = rate;
context->devinfo[i]->default_rate = rate;
context->devinfo[i]->latency_lo_ms = 1;
context->devinfo[i]->latency_hi_ms = 10;
i++;
}
if (type & CUBEB_DEVICE_TYPE_INPUT) {
context->devinfo[i] = (cubeb_device_info *)malloc(sizeof(cubeb_device_info));
context->devinfo[i]->device_id = strdup(j_in);
context->devinfo[i]->devid = context->devinfo[i]->device_id;
context->devinfo[i]->friendly_name = strdup(j_in);
context->devinfo[i]->group_id = strdup(j_in);
context->devinfo[i]->vendor_name = strdup(j_in);
context->devinfo[i]->type = CUBEB_DEVICE_TYPE_INPUT;
context->devinfo[i]->state = CUBEB_DEVICE_STATE_ENABLED;
context->devinfo[i]->preferred = CUBEB_DEVICE_PREF_ALL;
context->devinfo[i]->format = CUBEB_DEVICE_FMT_F32NE;
context->devinfo[i]->default_format = CUBEB_DEVICE_FMT_F32NE;
context->devinfo[i]->max_channels = MAX_CHANNELS;
context->devinfo[i]->min_rate = rate;
context->devinfo[i]->max_rate = rate;
context->devinfo[i]->default_rate = rate;
context->devinfo[i]->latency_lo_ms = 1;
context->devinfo[i]->latency_hi_ms = 10;
i++;
}
*collection = (cubeb_device_collection *)
malloc(sizeof(cubeb_device_collection) +
i * sizeof(cubeb_device_info *));
(*collection)->count = i;
for (j = 0; j < i; j++) {
(*collection)->device[j] = context->devinfo[j];
}
return CUBEB_OK;
}
static int
cbjack_enumerate_devices(cubeb * context, cubeb_device_type type,
cubeb_device_collection * collection)
{
if (!context)
return CUBEB_ERROR;
uint32_t rate;
cbjack_get_preferred_sample_rate(context, &rate);
const char * j_in = "JACK capture";
const char * j_out = "JACK playback";
cubeb_device_info * devices = new cubeb_device_info[2];
reinterpret_cast<cubeb_device_info *>(calloc(2, sizeof(cubeb_device_info)));
collection->count = 0;
if (type & CUBEB_DEVICE_TYPE_OUTPUT) {
cubeb_device_info * cur = &devices[collection->count];
cur->device_id = strdup(j_out);
cur->devid = (cubeb_devid) cur->device_id;
cur->friendly_name = strdup(j_out);
cur->group_id = strdup(j_out);
cur->vendor_name = strdup(j_out);
cur->type = CUBEB_DEVICE_TYPE_OUTPUT;
cur->state = CUBEB_DEVICE_STATE_ENABLED;
cur->preferred = CUBEB_DEVICE_PREF_ALL;
cur->format = CUBEB_DEVICE_FMT_F32NE;
cur->default_format = CUBEB_DEVICE_FMT_F32NE;
cur->max_channels = MAX_CHANNELS;
cur->min_rate = rate;
cur->max_rate = rate;
cur->default_rate = rate;
cur->latency_lo = 0;
cur->latency_hi = 0;
collection->count +=1 ;
}
if (type & CUBEB_DEVICE_TYPE_INPUT) {
cubeb_device_info * cur = &devices[collection->count];
cur->device_id = strdup(j_in);
cur->devid = (cubeb_devid) cur->device_id;
cur->friendly_name = strdup(j_in);
cur->group_id = strdup(j_in);
cur->vendor_name = strdup(j_in);
cur->type = CUBEB_DEVICE_TYPE_INPUT;
cur->state = CUBEB_DEVICE_STATE_ENABLED;
cur->preferred = CUBEB_DEVICE_PREF_ALL;
cur->format = CUBEB_DEVICE_FMT_F32NE;
cur->default_format = CUBEB_DEVICE_FMT_F32NE;
cur->max_channels = MAX_CHANNELS;
cur->min_rate = rate;
cur->max_rate = rate;
cur->default_rate = rate;
cur->latency_lo = 0;
cur->latency_hi = 0;
collection->count += 1;
}
collection->device = devices;
return CUBEB_OK;
}
