mirror of
https://github.com/RGBCube/serenity
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15afc88ffe
Give the mixer a main volume value (percent) that we scale all the outgoing samples by (before clipping.) Also add a simple "avol" program for querying and setting the volume: - "avol" prints the current volume. - "avol 200" sets the main mix volume to 200%
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
#include "ASClientConnection.h"
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#include "ASMixer.h"
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#include <LibAudio/ABuffer.h>
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#include <LibAudio/ASAPI.h>
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#include <LibCore/CEventLoop.h>
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#include <SharedBuffer.h>
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#include <errno.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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ASClientConnection::ASClientConnection(CLocalSocket& client_socket, int client_id, ASMixer& mixer)
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: Connection(client_socket, client_id)
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, m_mixer(mixer)
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{
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}
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ASClientConnection::~ASClientConnection()
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{
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}
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void ASClientConnection::send_greeting()
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{
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ASAPI_ServerMessage message;
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message.type = ASAPI_ServerMessage::Type::Greeting;
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message.greeting.server_pid = getpid();
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message.greeting.your_client_id = client_id();
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post_message(message);
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}
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bool ASClientConnection::handle_message(const ASAPI_ClientMessage& message, const ByteBuffer&&)
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{
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switch (message.type) {
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case ASAPI_ClientMessage::Type::Greeting:
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set_client_pid(message.greeting.client_pid);
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break;
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case ASAPI_ClientMessage::Type::EnqueueBuffer: {
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auto shared_buffer = SharedBuffer::create_from_shared_buffer_id(message.play_buffer.buffer_id);
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if (!shared_buffer) {
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did_misbehave();
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return false;
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}
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ASAPI_ServerMessage reply;
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reply.type = ASAPI_ServerMessage::Type::EnqueueBufferResponse;
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reply.playing_buffer.buffer_id = message.play_buffer.buffer_id;
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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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reply.success = false;
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} else {
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m_queue->enqueue(ABuffer::create_with_shared_buffer(*shared_buffer));
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}
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post_message(reply);
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break;
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}
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case ASAPI_ClientMessage::Type::GetMainMixVolume: {
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ASAPI_ServerMessage reply;
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reply.type = ASAPI_ServerMessage::Type::DidGetMainMixVolume;
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reply.value = m_mixer.main_volume();
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post_message(reply);
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break;
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}
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case ASAPI_ClientMessage::Type::SetMainMixVolume: {
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ASAPI_ServerMessage reply;
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reply.type = ASAPI_ServerMessage::Type::DidSetMainMixVolume;
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m_mixer.set_main_volume(message.value);
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post_message(reply);
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break;
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}
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case ASAPI_ClientMessage::Type::Invalid:
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default:
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dbgprintf("ASClientConnection: Unexpected message ID %d\n", int(message.type));
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did_misbehave();
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}
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return true;
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}
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void ASClientConnection::did_finish_playing_buffer(Badge<ASMixer>, int buffer_id)
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{
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ASAPI_ServerMessage reply;
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reply.type = ASAPI_ServerMessage::Type::FinishedPlayingBuffer;
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reply.playing_buffer.buffer_id = buffer_id;
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post_message(reply);
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}
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