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/*
* Copyright © 2015 Haakon Sporsheim <haakon.sporsheim@telenordigital.com>
*
* This program is made available under an ISC-style license. See the
* accompanying file LICENSE for details.
*/
/* libcubeb enumerate device test/example.
* Prints out a list of devices enumerated. */
#include "gtest/gtest.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory>
#include "cubeb/cubeb.h"
#include "common.h"
long data_cb_duplex(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
{
// noop, unused
return 0;
}
void state_cb_duplex(cubeb_stream * stream, void * /*user*/, cubeb_state state)
{
// noop, unused
}
static void
print_device_info(cubeb_device_info * info, FILE * f)
{
char devfmts[64] = "";
const char * devtype, * devstate, * devdeffmt;
switch (info->type) {
case CUBEB_DEVICE_TYPE_INPUT:
devtype = "input";
break;
case CUBEB_DEVICE_TYPE_OUTPUT:
devtype = "output";
break;
case CUBEB_DEVICE_TYPE_UNKNOWN:
default:
devtype = "unknown?";
break;
};
switch (info->state) {
case CUBEB_DEVICE_STATE_DISABLED:
devstate = "disabled";
break;
case CUBEB_DEVICE_STATE_UNPLUGGED:
devstate = "unplugged";
break;
case CUBEB_DEVICE_STATE_ENABLED:
devstate = "enabled";
break;
default:
devstate = "unknown?";
break;
};
switch (info->default_format) {
case CUBEB_DEVICE_FMT_S16LE:
devdeffmt = "S16LE";
break;
case CUBEB_DEVICE_FMT_S16BE:
devdeffmt = "S16BE";
break;
case CUBEB_DEVICE_FMT_F32LE:
devdeffmt = "F32LE";
break;
case CUBEB_DEVICE_FMT_F32BE:
devdeffmt = "F32BE";
break;
default:
devdeffmt = "unknown?";
break;
};
if (info->format & CUBEB_DEVICE_FMT_S16LE)
strcat(devfmts, " S16LE");
if (info->format & CUBEB_DEVICE_FMT_S16BE)
strcat(devfmts, " S16BE");
if (info->format & CUBEB_DEVICE_FMT_F32LE)
strcat(devfmts, " F32LE");
if (info->format & CUBEB_DEVICE_FMT_F32BE)
strcat(devfmts, " F32BE");
fprintf(f,
"dev: \"%s\"%s\n"
"\tName: \"%s\"\n"
"\tGroup: \"%s\"\n"
"\tVendor: \"%s\"\n"
"\tType: %s\n"
"\tState: %s\n"
"\tCh: %u\n"
"\tFormat: %s (0x%x) (default: %s)\n"
"\tRate: %u - %u (default: %u)\n"
"\tLatency: lo %u frames, hi %u frames\n",
info->device_id, info->preferred ? " (PREFERRED)" : "",
info->friendly_name, info->group_id, info->vendor_name,
devtype, devstate, info->max_channels,
(devfmts[0] == '\0') ? devfmts : devfmts + 1,
(unsigned int)info->format, devdeffmt,
info->min_rate, info->max_rate, info->default_rate,
info->latency_lo, info->latency_hi);
}
static void
print_device_collection(cubeb_device_collection * collection, FILE * f)
{
uint32_t i;
for (i = 0; i < collection->count; i++)
print_device_info(&collection->device[i], f);
}
TEST(cubeb, destroy_default_collection)
{
int r;
cubeb * ctx = NULL;
cubeb_device_collection collection{ nullptr, 0 };
r = common_init(&ctx, "Cubeb audio test");
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
cleanup_cubeb_at_exit(ctx, cubeb_destroy);
ASSERT_EQ(collection.device, nullptr);
ASSERT_EQ(collection.count, (size_t) 0);
r = cubeb_device_collection_destroy(ctx, &collection);
if (r != CUBEB_ERROR_NOT_SUPPORTED) {
ASSERT_EQ(r, CUBEB_OK);
ASSERT_EQ(collection.device, nullptr);
ASSERT_EQ(collection.count, (size_t) 0);
}
}
TEST(cubeb, enumerate_devices)
{
int r;
cubeb * ctx = NULL;
cubeb_device_collection collection;
r = common_init(&ctx, "Cubeb audio test");
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
cleanup_cubeb_at_exit(ctx, cubeb_destroy);
fprintf(stdout, "Enumerating input devices for backend %s\n",
cubeb_get_backend_id(ctx));
r = cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_INPUT, &collection);
if (r == CUBEB_ERROR_NOT_SUPPORTED) {
fprintf(stderr, "Device enumeration not supported"
" for this backend, skipping this test.\n");
r = CUBEB_OK;
}
ASSERT_EQ(r, CUBEB_OK) << "Error enumerating devices " << r;
fprintf(stdout, "Found %zu input devices\n", collection.count);
print_device_collection(&collection, stdout);
cubeb_device_collection_destroy(ctx, &collection);
fprintf(stdout, "Enumerating output devices for backend %s\n",
cubeb_get_backend_id(ctx));
r = cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_OUTPUT, &collection);
ASSERT_EQ(r, CUBEB_OK) << "Error enumerating devices " << r;
fprintf(stdout, "Found %zu output devices\n", collection.count);
print_device_collection(&collection, stdout);
cubeb_device_collection_destroy(ctx, &collection);
uint32_t count_before_creating_duplex_stream;
r = cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_OUTPUT, &collection);
ASSERT_EQ(r, CUBEB_OK) << "Error enumerating devices " << r;
count_before_creating_duplex_stream = collection.count;
cubeb_device_collection_destroy(ctx, &collection);
cubeb_stream * stream;
cubeb_stream_params input_params;
cubeb_stream_params output_params;
input_params.format = output_params.format = CUBEB_SAMPLE_FLOAT32NE;
input_params.rate = output_params.rate = 48000;
input_params.channels = output_params.channels = 1;
input_params.layout = output_params.layout = CUBEB_LAYOUT_MONO;
input_params.prefs = output_params.prefs = CUBEB_STREAM_PREF_NONE;
r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
NULL, &input_params, NULL, &output_params,
1024, data_cb_duplex, state_cb_duplex, nullptr);
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
r = cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_OUTPUT, &collection);
ASSERT_EQ(r, CUBEB_OK) << "Error enumerating devices " << r;
ASSERT_EQ(count_before_creating_duplex_stream, collection.count);
cubeb_device_collection_destroy(ctx, &collection);
cubeb_stream_destroy(stream);
}
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