dingusppc/devices/soundserver.cpp

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/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-20 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "soundserver.h"
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//#include <thirdparty/libsoundio/soundio/soundio.h>
#include <thirdparty/loguru/loguru.hpp>
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#include <cubeb/cubeb.h>
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#ifdef _WIN32
#include <objbase.h>
#endif
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#if 0
int SoundServer::start()
{
int err;
this->status = SND_SERVER_DOWN;
this->soundio = soundio_create();
if (!this->soundio) {
LOG_F(ERROR, "Sound Server: out of memory");
return -1;
}
if ((err = soundio_connect(this->soundio))) {
LOG_F(ERROR, "Unable to connect to backend: %s", soundio_strerror(err));
return -1;
}
LOG_F(INFO, "Connected to backend: %s", soundio_backend_name(soundio->current_backend));
soundio_flush_events(this->soundio);
this->status = SND_API_READY;
this->out_dev_index = soundio_default_output_device_index(this->soundio);
if (this->out_dev_index < 0) {
LOG_F(ERROR, "Sound Server: no output device found");
return -1;
}
this->out_device = soundio_get_output_device(this->soundio, this->out_dev_index);
if (!this->out_device) {
LOG_F(ERROR, "Sound Server: out of memory");
return -1;
}
LOG_F(INFO, "Sound Server output device: %s", this->out_device->name);
this->status = SND_SERVER_UP;
return 0;
}
void SoundServer::shutdown()
{
switch (this->status) {
case SND_SERVER_UP:
soundio_device_unref(this->out_device);
/* fall through */
case SND_API_READY:
soundio_destroy(this->soundio);
}
this->status = SND_SERVER_DOWN;
LOG_F(INFO, "Sound Server shut down.");
}
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#endif
int SoundServer::start()
{
int res;
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#ifdef _WIN32
CoInitialize(nullptr);
#endif
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this->status = SND_SERVER_DOWN;
res = cubeb_init(&this->cubeb_ctx, "Dingus sound server", NULL);
if (res != CUBEB_OK) {
LOG_F(ERROR, "Could not initialize Cubeb library");
return -1;
}
LOG_F(INFO, "Connected to backend: %s", cubeb_get_backend_id(this->cubeb_ctx));
this->status = SND_API_READY;
return 0;
}
void SoundServer::shutdown()
{
switch (this->status) {
case SND_SERVER_UP:
//soundio_device_unref(this->out_device);
/* fall through */
case SND_API_READY:
cubeb_destroy(this->cubeb_ctx);
}
this->status = SND_SERVER_DOWN;
LOG_F(INFO, "Sound Server shut down.");
}
int SoundServer::open_out_stream(uint32_t sample_rate, cubeb_data_callback data_cb,
cubeb_state_callback status_cb, void *user_data)
{
int res;
uint32_t latency_frames;
cubeb_stream_params params;
params.format = CUBEB_SAMPLE_S16NE;
params.rate = sample_rate;
params.channels = 2;
params.layout = CUBEB_LAYOUT_STEREO;
params.prefs = CUBEB_STREAM_PREF_NONE;
res = cubeb_get_min_latency(this->cubeb_ctx, &params, &latency_frames);
if (res != CUBEB_OK) {
LOG_F(ERROR, "Could not get minimum latency, error: %d", res);
return -1;
} else {
LOG_F(INFO, "Minimum sound latency: %d frames", latency_frames);
}
res = cubeb_stream_init(this->cubeb_ctx, &this->out_stream, "SndOut stream",
NULL, NULL, NULL, &params, latency_frames,
data_cb, status_cb, user_data);
if (res != CUBEB_OK) {
LOG_F(ERROR, "Could not open sound output stream, error: %d", res);
return -1;
}
LOG_F(INFO, "Sound output stream opened.");
return 0;
}
int SoundServer::start_out_stream()
{
return cubeb_stream_start(this->out_stream);
}
void SoundServer::close_out_stream()
{
cubeb_stream_stop(this->out_stream);
cubeb_stream_destroy(this->out_stream);
LOG_F(INFO, "Sound output stream closed.");
}