116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
/**
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This file is a part of our_dick
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Copyright (C) 2021 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OUR_DICK_AUDIO_CHANNEL_IMPL_HPP
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#define OUR_DICK_AUDIO_CHANNEL_IMPL_HPP
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#include <atomic>
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#include <cstdlib> //size_t
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#include <rexy/mpmc_queue.hpp>
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#include "audio/mixdata.hpp"
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namespace sfx::impl{
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class channel
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{
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public:
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static constexpr size_t chunk_size = 256;
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using chunk = mixrawdata<chunk_size>;
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private:
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rexy::mpmc_queue<mixrawdata<chunk_size>> m_data;
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std::atomic_bool m_paused;
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std::atomic_bool m_active;
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bool m_stopped;
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//audio thread access only!
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struct alignas(64){
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chunk data = {};
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size_t offset = 0;
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}m_playing_chunk;
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public:
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channel(void);
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explicit channel(size_t maxsize);
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channel(const channel& c);
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channel(channel&& c);
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~channel(void) = default;
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channel& operator=(const channel& c);
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channel& operator=(channel&& c);
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chunk pop(void);
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bool try_pop(chunk& m);
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void resize_buffer(size_t newsize);
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template<size_t Size>
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void play(const mixrawdata<Size>& m);
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template<size_t Size>
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bool try_play(const mixrawdata<Size>& m);
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void pause(void);
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void resume(void);
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void stop(void);
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bool is_paused(void)const;
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bool is_playing(void)const;
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bool is_stopped(void)const;
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chunk& playing_chunk(void);
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const chunk& playing_chunk(void)const;
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size_t& playing_offset(void);
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const size_t& playing_offset(void)const;
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bool is_active(void)const;
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void set_active(bool b);
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private:
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void wait_for_consumer(void);
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};
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template<size_t Size>
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void channel::play(const mixrawdata<Size>& m){
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if constexpr(Size > chunk_size){
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size_t chunk_frames = chunk_size / m.channels;
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for(size_t i = 0;i < m.frames;i += chunk_frames){
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m_data.emplace(m, i);
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}
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}else{
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m_data.emplace(m);
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}
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}
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template<size_t Size>
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bool channel::try_play(const mixrawdata<Size>& m){
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if constexpr(Size > chunk_size){
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size_t chunk_frames = chunk_size / m.channels;
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for(size_t i = 0;i < m.frames;i += chunk_frames){
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if(!m_data.try_emplace(m, i))
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return false;
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}
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return true;
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}else{
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return m_data.try_emplace(m);
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}
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}
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}
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#endif
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