our_dick/include/audio/impl/channel.hpp
2020-08-21 20:39:43 -07:00

83 lines
1.8 KiB
C++

/**
This file is a part of our_dick
Copyright (C) 2020 rexy712
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OUR_DICK_AUDIO_CHANNEL_IMPL_HPP
#define OUR_DICK_AUDIO_CHANNEL_IMPL_HPP
#include <atomic>
#include <cstdlib> //size_t
#include "util/ring_buffer.hpp"
#include "audio/mixdata.hpp"
namespace audio::impl{
class channel
{
private:
util::mpmc_ring_buffer<mixdata> m_data;
std::atomic_bool m_paused;
std::atomic_bool m_active;
bool m_stopped;
//audio thread access only!
struct{
mixdata data;
size_t offset;
}m_playing_chunk = {};
public:
channel();
explicit channel(size_t maxsize);
channel(const channel& c);
channel(channel&& c);
~channel() = default;
channel& operator=(const channel& c);
channel& operator=(channel&& c);
mixdata pop();
bool try_pop(mixdata& m);
void resize_buffer(size_t newsize);
void play(const mixdata& m);
void pause();
void resume();
void stop();
bool is_paused()const;
bool is_playing()const;
bool is_stopped()const;
mixdata& playing_chunk();
const mixdata& playing_chunk()const;
size_t& playing_offset();
const size_t& playing_offset()const;
bool is_active()const;
void set_active(bool b);
private:
void wait_for_consumer();
};
}
#endif