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serenity/Servers/AudioServer/ASClientConnection.cpp
Till Mayer 406aabff23 AudioServer: Added ability to get count of samples in the buffer queue
Now the AClientConnection can get the count of samples still in the
buffer queue.
2019-10-19 20:05:13 +02:00

82 lines
2.4 KiB
C++

#include "ASClientConnection.h"
#include "ASMixer.h"
#include <LibAudio/ABuffer.h>
#include <LibCore/CEventLoop.h>
#include <SharedBuffer.h>
#include <errno.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
static HashMap<int, RefPtr<ASClientConnection>> s_connections;
ASClientConnection::ASClientConnection(CLocalSocket& client_socket, int client_id, ASMixer& mixer)
: ConnectionNG(*this, client_socket, client_id)
, m_mixer(mixer)
{
s_connections.set(client_id, *this);
}
ASClientConnection::~ASClientConnection()
{
}
void ASClientConnection::die()
{
s_connections.remove(client_id());
}
void ASClientConnection::did_finish_playing_buffer(Badge<ASMixer>, int buffer_id)
{
(void)buffer_id;
//post_message(AudioClient::FinishedPlayingBuffer(buffer_id));
}
OwnPtr<AudioServer::GreetResponse> ASClientConnection::handle(const AudioServer::Greet& message)
{
set_client_pid(message.client_pid());
return make<AudioServer::GreetResponse>(getpid(), client_id());
}
OwnPtr<AudioServer::GetMainMixVolumeResponse> ASClientConnection::handle(const AudioServer::GetMainMixVolume&)
{
return make<AudioServer::GetMainMixVolumeResponse>(m_mixer.main_volume());
}
OwnPtr<AudioServer::SetMainMixVolumeResponse> ASClientConnection::handle(const AudioServer::SetMainMixVolume& message)
{
m_mixer.set_main_volume(message.volume());
return make<AudioServer::SetMainMixVolumeResponse>();
}
OwnPtr<AudioServer::EnqueueBufferResponse> ASClientConnection::handle(const AudioServer::EnqueueBuffer& message)
{
auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(message.buffer_id());
if (!shared_buffer) {
// FIXME: The shared buffer should have been retrieved for us already.
// We don't want to do IPC error checking at this layer.
ASSERT_NOT_REACHED();
}
if (!m_queue)
m_queue = m_mixer.create_queue(*this);
if (m_queue->is_full())
return make<AudioServer::EnqueueBufferResponse>(false);
m_queue->enqueue(ABuffer::create_with_shared_buffer(*shared_buffer, message.sample_count()));
return make<AudioServer::EnqueueBufferResponse>(true);
}
OwnPtr<AudioServer::GetRemainingSamplesResponse> ASClientConnection::handle(const AudioServer::GetRemainingSamples&)
{
int remaining = 0;
if(m_queue)
remaining = m_queue->get_remaining_samples();
return make<AudioServer::GetRemainingSamplesResponse>(remaining);
}