mirror of
https://github.com/RGBCube/serenity
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9880a5c481
Two new IPC calls allow audio clients to get and set the sample rate. The AudioServer calls into the new ioctl of the sound card.
135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ClientConnection.h"
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#include "Mixer.h"
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#include <AudioServer/AudioClientEndpoint.h>
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#include <LibAudio/Buffer.h>
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namespace AudioServer {
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static HashMap<int, RefPtr<ClientConnection>> s_connections;
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void ClientConnection::for_each(Function<void(ClientConnection&)> callback)
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{
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NonnullRefPtrVector<ClientConnection> connections;
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for (auto& it : s_connections)
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connections.append(*it.value);
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for (auto& connection : connections)
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callback(connection);
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}
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ClientConnection::ClientConnection(NonnullRefPtr<Core::LocalSocket> client_socket, int client_id, Mixer& mixer)
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: IPC::ClientConnection<AudioClientEndpoint, AudioServerEndpoint>(*this, move(client_socket), client_id)
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, m_mixer(mixer)
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{
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s_connections.set(client_id, *this);
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}
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ClientConnection::~ClientConnection()
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{
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}
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void ClientConnection::die()
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{
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s_connections.remove(client_id());
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}
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void ClientConnection::did_finish_playing_buffer(Badge<BufferQueue>, int buffer_id)
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{
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async_finished_playing_buffer(buffer_id);
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}
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void ClientConnection::did_change_muted_state(Badge<Mixer>, bool muted)
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{
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async_muted_state_changed(muted);
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}
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void ClientConnection::did_change_main_mix_volume(Badge<Mixer>, int volume)
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{
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async_main_mix_volume_changed(volume);
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}
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Messages::AudioServer::GetMainMixVolumeResponse ClientConnection::get_main_mix_volume()
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{
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return m_mixer.main_volume();
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}
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void ClientConnection::set_main_mix_volume(i32 volume)
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{
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m_mixer.set_main_volume(volume);
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}
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Messages::AudioServer::GetSampleRateResponse ClientConnection::get_sample_rate()
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{
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return { m_mixer.audiodevice_get_sample_rate() };
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}
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void ClientConnection::set_sample_rate(u16 sample_rate)
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{
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m_mixer.audiodevice_set_sample_rate(sample_rate);
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}
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Messages::AudioServer::EnqueueBufferResponse ClientConnection::enqueue_buffer(Core::AnonymousBuffer const& buffer, i32 buffer_id, int sample_count)
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{
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if (!m_queue)
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m_queue = m_mixer.create_queue(*this);
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if (m_queue->is_full())
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return false;
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m_queue->enqueue(Audio::Buffer::create_with_anonymous_buffer(buffer, buffer_id, sample_count));
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return true;
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}
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Messages::AudioServer::GetRemainingSamplesResponse ClientConnection::get_remaining_samples()
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{
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int remaining = 0;
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if (m_queue)
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remaining = m_queue->get_remaining_samples();
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return remaining;
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}
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Messages::AudioServer::GetPlayedSamplesResponse ClientConnection::get_played_samples()
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{
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int played = 0;
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if (m_queue)
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played = m_queue->get_played_samples();
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return played;
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}
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void ClientConnection::set_paused(bool paused)
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{
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if (m_queue)
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m_queue->set_paused(paused);
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}
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void ClientConnection::clear_buffer(bool paused)
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{
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if (m_queue)
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m_queue->clear(paused);
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}
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Messages::AudioServer::GetPlayingBufferResponse ClientConnection::get_playing_buffer()
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{
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int id = -1;
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if (m_queue)
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id = m_queue->get_playing_buffer();
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return id;
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}
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Messages::AudioServer::GetMutedResponse ClientConnection::get_muted()
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{
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return m_mixer.is_muted();
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}
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void ClientConnection::set_muted(bool muted)
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{
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m_mixer.set_muted(muted);
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}
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}
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