85 lines
2.4 KiB
C++
85 lines
2.4 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_STREAM_HPP
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#define OUR_DICK_AUDIO_STREAM_HPP
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#include <utility> //forward
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#include <portaudio.h>
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#include "detail.hpp"
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#include "error.hpp"
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#include "stream_info.hpp"
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#include <cstdlib>
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namespace sfx{
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class stream
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{
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private:
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detail::callback_iface* m_cb = nullptr;
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PaStream* m_stream = nullptr;
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mutable PaError m_err = paNoError;
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stream_info m_info;
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public:
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enum state{
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STOP = paComplete,
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CONTINUE = paContinue,
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};
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public:
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//buffersize of 0 means to automatically pick a good size
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//TODO: if samplerate is 0, use device's default sample rate
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//TODO: allow choosing device by index
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template<typename Callback, typename... Args>
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stream(int in_c, int out_c, double samplerate, size_t buffersize, Callback&& cb, Args&&... cbargs):
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m_cb(new detail::callback_impl<Callback,const stream_info&, Args...>(std::forward<Callback>(cb), m_info, std::forward<Args>(cbargs)...)),
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m_stream(initialize_global_instance()),
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m_err(open_default_stream(&m_stream, in_c, out_c, paFloat32, samplerate, buffersize, m_cb)),
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m_info{out_c, in_c, samplerate}{}
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~stream(void);
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error start(void);
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error stop(void);
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error abort(void);
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error close(void);
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bool is_stopped(void)const;
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bool is_active(void)const;
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int input_count(void)const;
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int output_count(void)const;
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double samplerate(void)const;
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error last_error(void)const;
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private:
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static PaStream* initialize_global_instance(void);
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//to avoid using portaudio functions in the header
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static int open_default_stream(PaStream**, int in_c, int out_c,
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long unsigned int fmt, double samplerate,
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size_t bufsize, detail::callback_iface* cb);
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};
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}
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#endif
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