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Connection.cpp
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Connection.cpp
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/*
This file is part of duckOS.
duckOS 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.
duckOS 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 duckOS. If not, see <https://www.gnu.org/licenses/>.
Copyright (c) Byteduck 2016-2022. All rights reserved.
*/
#include "Connection.h"
#include <libduck/Log.h>
using namespace Sound;
using Duck::Log;
Duck::ResultRet<std::shared_ptr<Connection>> Connection::create() {
auto conn_res = River::BusConnection::connect("quack");
if(conn_res.is_error())
return conn_res.result();
auto endpoint_res = conn_res.value()->get_endpoint("quack");
if(endpoint_res.is_error())
return endpoint_res.result();
return std::shared_ptr<Connection>(new Connection(endpoint_res.value()));
}
void Connection::queue_samples(Duck::Ptr<SampleBuffer> buffer) {
// If we don't have a buffer, silently fail.
if(!m_buffer.buffer())
return;
//If we have to resample, do so
if(buffer->sample_rate() != m_server_samplerate)
buffer = buffer->resample(m_server_samplerate);
// Queue the samples
for(size_t i = 0; i < buffer->num_samples(); i++)
m_buffer.push_wait(buffer->samples()[i]);
}
Connection::Connection(std::shared_ptr<River::Endpoint> endpoint): m_endpoint(std::move(endpoint)) {
m_endpoint->get_function(get_server_sample_rate);
m_endpoint->get_function(server_request_buffer);
m_server_samplerate = get_server_sample_rate();
auto shared_sample_buffer_res = Duck::SharedBuffer::adopt(server_request_buffer());
if(shared_sample_buffer_res.is_error()) {
Duck::Log::errf("libsound: Could not request buffer: {}", shared_sample_buffer_res.result());
return;
}
m_buffer = Duck::AtomicCircularQueue<Sample, LIBSOUND_QUEUE_SIZE>::attach(shared_sample_buffer_res.value());
}