Services: Move to Userland/Services/

1 files changed, 0 insertions, 166 deletions

diff --git a/Services/AudioServer/Mixer.cpp b/Services/AudioServer/Mixer.cpp
deleted file mode 100644
index 66a33ed23d..0000000000
--- a/Services/AudioServer/Mixer.cpp
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <AK/Array.h>
-#include <AK/MemoryStream.h>
-#include <AK/NumericLimits.h>
-#include <AudioServer/ClientConnection.h>
-#include <AudioServer/Mixer.h>
-#include <pthread.h>
-#include <strings.h>
-
-namespace AudioServer {
-
-Mixer::Mixer()
-    : m_device(Core::File::construct("/dev/audio", this))
-    , m_sound_thread(LibThread::Thread::construct(
-          [this] {
-              mix();
-              return 0;
-          },
-          "AudioServer[mixer]"))
-{
-    if (!m_device->open(Core::IODevice::WriteOnly)) {
-        dbgln("Can't open audio device: {}", m_device->error_string());
-        return;
-    }
-
-    pthread_mutex_init(&m_pending_mutex, nullptr);
-    pthread_cond_init(&m_pending_cond, nullptr);
-
-    m_zero_filled_buffer = (u8*)malloc(4096);
-    bzero(m_zero_filled_buffer, 4096);
-    m_sound_thread->start();
-}
-
-Mixer::~Mixer()
-{
-}
-
-NonnullRefPtr<BufferQueue> Mixer::create_queue(ClientConnection& client)
-{
-    auto queue = adopt(*new BufferQueue(client));
-    pthread_mutex_lock(&m_pending_mutex);
-    m_pending_mixing.append(*queue);
-    m_added_queue = true;
-    pthread_cond_signal(&m_pending_cond);
-    pthread_mutex_unlock(&m_pending_mutex);
-    return queue;
-}
-
-void Mixer::mix()
-{
-    decltype(m_pending_mixing) active_mix_queues;
-
-    for (;;) {
-        if (active_mix_queues.is_empty() || m_added_queue) {
-            pthread_mutex_lock(&m_pending_mutex);
-            pthread_cond_wait(&m_pending_cond, &m_pending_mutex);
-            active_mix_queues.append(move(m_pending_mixing));
-            pthread_mutex_unlock(&m_pending_mutex);
-            m_added_queue = false;
-        }
-
-        active_mix_queues.remove_all_matching([&](auto& entry) { return !entry->client(); });
-
-        Audio::Sample mixed_buffer[1024];
-        auto mixed_buffer_length = (int)(sizeof(mixed_buffer) / sizeof(Audio::Sample));
-
-        // Mix the buffers together into the output
-        for (auto& queue : active_mix_queues) {
-            if (!queue->client()) {
-                queue->clear();
-                continue;
-            }
-
-            for (int i = 0; i < mixed_buffer_length; ++i) {
-                auto& mixed_sample = mixed_buffer[i];
-                Audio::Sample sample;
-                if (!queue->get_next_sample(sample))
-                    break;
-                mixed_sample += sample;
-            }
-        }
-
-        if (m_muted) {
-            m_device->write(m_zero_filled_buffer, 4096);
-        } else {
-            Array<u8, 4096> buffer;
-            OutputMemoryStream stream { buffer };
-
-            for (int i = 0; i < mixed_buffer_length; ++i) {
-                auto& mixed_sample = mixed_buffer[i];
-
-                mixed_sample.scale(m_main_volume);
-                mixed_sample.clip();
-
-                LittleEndian<i16> out_sample;
-                out_sample = mixed_sample.left * NumericLimits<i16>::max();
-                stream << out_sample;
-
-                out_sample = mixed_sample.right * NumericLimits<i16>::max();
-                stream << out_sample;
-            }
-
-            ASSERT(stream.is_end());
-            ASSERT(!stream.has_any_error());
-            m_device->write(stream.data(), stream.size());
-        }
-    }
-}
-
-void Mixer::set_main_volume(int volume)
-{
-    if (volume > 100)
-        m_main_volume = 100;
-    else
-        m_main_volume = volume;
-    ClientConnection::for_each([volume](ClientConnection& client) {
-        client.did_change_main_mix_volume({}, volume);
-    });
-}
-
-void Mixer::set_muted(bool muted)
-{
-    if (m_muted == muted)
-        return;
-    m_muted = muted;
-    ClientConnection::for_each([muted](ClientConnection& client) {
-        client.did_change_muted_state({}, muted);
-    });
-}
-
-BufferQueue::BufferQueue(ClientConnection& client)
-    : m_client(client)
-{
-}
-
-void BufferQueue::enqueue(NonnullRefPtr<Audio::Buffer>&& buffer)
-{
-    m_remaining_samples += buffer->sample_count();
-    m_queue.enqueue(move(buffer));
-}
-}