mirror of
https://github.com/libSDL2pp/libSDL2pp.git
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113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/*
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libSDL2pp - C++ wrapper for libSDL2
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Copyright (C) 2014 Dmitry Marakasov <amdmi3@amdmi3.ru>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SDL2PP_AUDIO_HH
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#define SDL2PP_AUDIO_HH
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#include <functional>
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#include <string>
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#include <SDL2/SDL_audio.h>
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#include <SDL2pp/Config.hh>
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namespace SDL2pp {
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class AudioSpec : public SDL_AudioSpec {
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public:
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typedef std::function<void(Uint8* stream, int len)> AudioCallback;
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private:
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AudioCallback callback_;
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private:
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static void SDLCallback(void *userdata, Uint8* stream, int len);
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public:
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AudioSpec();
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AudioSpec(int freq, SDL_AudioFormat format, Uint8 channels, Uint16 samples, AudioCallback&& callback = AudioCallback());
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AudioSpec(const AudioSpec& other, AudioCallback&& callback = AudioCallback());
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~AudioSpec();
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AudioSpec(AudioSpec&& other);
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AudioSpec& operator=(AudioSpec&& other);
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AudioSpec(const AudioSpec& other) = delete;
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AudioSpec& operator=(const AudioSpec& other) = delete;
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void ChangeCallback(AudioCallback&& callback); // should be called with audio device using this spec locked!
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void MergeChanges(const SDL_AudioSpec& obtained);
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const SDL_AudioSpec* Get() const;
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bool IsSameFormat(const AudioSpec& other) const;
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};
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class AudioDevice {
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private:
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SDL_AudioDeviceID device_id_;
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public:
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class LockHandle {
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friend class AudioDevice;
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private:
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AudioDevice* device_;
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private:
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LockHandle(AudioDevice* device);
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public:
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~LockHandle();
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LockHandle(LockHandle&& other) noexcept;
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LockHandle& operator=(LockHandle&& other) noexcept;
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LockHandle(const LockHandle& other) = delete;
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LockHandle& operator=(const LockHandle& other) = delete;
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};
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public:
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AudioDevice(const std::string& device, bool iscapture, const AudioSpec& spec);
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AudioDevice(const std::string& device, bool iscapture, AudioSpec& spec, int allowed_changes);
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virtual ~AudioDevice();
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AudioDevice(const AudioDevice& other) = delete;
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AudioDevice(AudioDevice&& other) noexcept;
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AudioDevice& operator=(const AudioDevice& other) = delete;
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AudioDevice& operator=(AudioDevice&& other) noexcept;
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SDL_AudioDeviceID Get() const;
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void Pause(bool pause_on);
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SDL_AudioStatus GetStatus() const;
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LockHandle Lock();
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#ifdef SDL2PP_WITH_2_0_4
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void QueueAudio(const void* data, Uint32 len);
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void ClearQueuedAudio();
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Uint32 GetQueuedAudioSize() const;
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#endif
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};
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}
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#endif
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