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https://github.com/libSDL2pp/libSDL2pp.git
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Add stub Mixer class
This commit is contained in:
Dmitry Marakasov
parent
94f4a3d7aa
commit
a25c84932c
@ -110,6 +110,7 @@ SET(LIBRARY_SOURCES
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SDL2pp/AudioSpec.cc
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SDL2pp/Chunk.cc
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SDL2pp/Exception.cc
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SDL2pp/Mixer.cc
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SDL2pp/Point.cc
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SDL2pp/RWops.cc
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SDL2pp/Rect.cc
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@ -130,6 +131,7 @@ SET(LIBRARY_HEADERS
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SDL2pp/Chunk.hh
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SDL2pp/ContainerRWops.hh
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SDL2pp/Exception.hh
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SDL2pp/Mixer.hh
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SDL2pp/Optional.hh
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SDL2pp/Point.hh
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SDL2pp/RWops.hh
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51
SDL2pp/Mixer.cc
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51
SDL2pp/Mixer.cc
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@ -0,0 +1,51 @@
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/*
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libSDL2pp - C++11 bindings/wrapper for SDL2
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Copyright (C) 2015 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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#include <SDL2pp/Mixer.hh>
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#include <SDL2pp/Exception.hh>
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namespace SDL2pp {
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Mixer::Mixer(int frequency, Uint16 format, int channels, int chunksize) : open_(true) {
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if (Mix_OpenAudio(frequency, format, channels, chunksize) != 0)
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throw Exception("Mix_OpenAudio");
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}
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Mixer::~Mixer() {
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if (open_)
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Mix_CloseAudio();
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}
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Mixer::Mixer(Mixer&& other) noexcept : open_(other.open_) {
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other.open_ = false;
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}
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Mixer& Mixer::operator=(Mixer&& other) noexcept {
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if (&other == this)
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return *this;
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if (open_)
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Mix_CloseAudio();
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open_ = other.open_;
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other.open_ = false;
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return *this;
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}
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}
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115
SDL2pp/Mixer.hh
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115
SDL2pp/Mixer.hh
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@ -0,0 +1,115 @@
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/*
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libSDL2pp - C++11 bindings/wrapper for SDL2
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Copyright (C) 2015 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_MIXER_HH
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#define SDL2PP_MIXER_HH
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#include <string>
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#include <SDL2/SDL_mixer.h>
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namespace SDL2pp {
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class RWops;
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////////////////////////////////////////////////////////////
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/// \brief SDL_mixer's audio mixer
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///
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/// \ingroup mixer
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///
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/// \headerfile SDL2pp/Mixer.hh
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///
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/// This class represents open SDL_mixer audio device. Object
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/// of this class must be constructed before creating any
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/// SDL2pp:Chunk's.
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///
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////////////////////////////////////////////////////////////
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class Mixer {
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private:
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bool open_;
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public:
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////////////////////////////////////////////////////////////
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/// \brief Construct a mixer and open an audio device
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///
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/// \param[in] frequency Output sampling frequency in samples
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/// per second (Hz). You might use
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/// MIX_DEFAULT_FREQUENCY(22050) since that
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/// is a good value for most games
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/// \param[in] format Output sample format
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/// \param[in] channels Number of sound channels in output. Set
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/// to 2 for stereo, 1 for mono. This has
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/// nothing to do with mixing channels
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/// \param[in] chunksize Bytes used per output sample
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///
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/// \throws SDL2pp::Exception
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///
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/// \see https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.html#SEC11
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///
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////////////////////////////////////////////////////////////
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Mixer(int frequency, Uint16 format, int channels, int chunksize);
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////////////////////////////////////////////////////////////
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/// \brief Destructor
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///
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/// \see https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.html#SEC12
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///
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////////////////////////////////////////////////////////////
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~Mixer();
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////////////////////////////////////////////////////////////
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/// \brief Move constructor
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///
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/// \param[in] other SDL2pp::Mixer object to move data from
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///
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////////////////////////////////////////////////////////////
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Mixer(Mixer&& other) noexcept;
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////////////////////////////////////////////////////////////
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/// \brief Move assignment operator
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///
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/// \param[in] other SDL2pp::Mixer object to move data from
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///
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/// \returns Reference to self
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///
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////////////////////////////////////////////////////////////
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Mixer& operator=(Mixer&& other) noexcept;
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////////////////////////////////////////////////////////////
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/// \brief Deleted copy constructor
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///
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/// This class is not copyable
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///
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////////////////////////////////////////////////////////////
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Mixer(const Mixer& other) = delete;
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////////////////////////////////////////////////////////////
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/// \brief Deleted assignment operator
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///
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/// This class is not copyable
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///
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////////////////////////////////////////////////////////////
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Mixer& operator=(const Mixer& other) = delete;
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};
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}
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#endif
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@ -124,6 +124,7 @@
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////////////////////////////////////////////////////////////
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#ifdef SDL2PP_WITH_MIXER
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# include <SDL2pp/Chunk.hh>
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# include <SDL2pp/Mixer.hh>
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# include <SDL2pp/SDLMixer.hh>
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#endif
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@ -26,13 +26,15 @@
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#include <SDL2pp/SDL.hh>
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#include <SDL2pp/SDLMixer.hh>
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#include <SDL2pp/Mixer.hh>
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#include <SDL2pp/Chunk.hh>
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using namespace SDL2pp;
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int main() try {
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SDL sdl(SDL_INIT_AUDIO);
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SDLMixer mixer(MIX_INIT_OGG);
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SDLMixer mixerlib(MIX_INIT_OGG);
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Mixer mixer(MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, 2, 4096);
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// currently fails as audio device hasn't been opened
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Chunk chunk(TESTDATA_DIR "/test.ogg");
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