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