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https://github.com/libSDL2pp/libSDL2pp.git
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Add SDL_mixer chunk wrapper class
This commit is contained in:
Dmitry Marakasov
parent
7cc56a1ccb
commit
732bc1a7c6
@ -108,6 +108,7 @@ SET(LIBRARY_SOURCES
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SDL2pp/AudioDevice.cc
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SDL2pp/AudioLock.cc
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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/Point.cc
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SDL2pp/RWops.cc
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@ -126,6 +127,7 @@ SET(LIBRARY_SOURCES
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SET(LIBRARY_HEADERS
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SDL2pp/AudioDevice.hh
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SDL2pp/AudioSpec.hh
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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/Optional.hh
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68
SDL2pp/Chunk.cc
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68
SDL2pp/Chunk.cc
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@ -0,0 +1,68 @@
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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/Chunk.hh>
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#include <SDL2pp/RWops.hh>
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#include <SDL2pp/Exception.hh>
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namespace SDL2pp {
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Chunk::Chunk(Mix_Chunk* chunk) : chunk_(chunk) {
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}
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Chunk::Chunk(const std::string& file) {
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if ((chunk_ = Mix_LoadWAV(file.c_str())) == nullptr)
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throw Exception("Mix_LoadWAV");
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}
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Chunk::Chunk(RWops& rwops) {
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if ((chunk_ = Mix_LoadWAV_RW(rwops.Get(), 0)) == nullptr)
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throw Exception("Mix_LoadWAV_RW");
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}
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Chunk::~Chunk() {
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if (chunk_ != nullptr)
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Mix_FreeChunk(chunk_);
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}
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Chunk::Chunk(Chunk&& other) noexcept : chunk_(other.chunk_) {
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other.chunk_ = nullptr;
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}
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Chunk& Chunk::operator=(Chunk&& other) noexcept {
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if (&other == this)
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return *this;
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if (chunk_ != nullptr)
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Mix_FreeChunk(chunk_);
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chunk_ = other.chunk_;
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other.chunk_ = nullptr;
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return *this;
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}
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Mix_Chunk* Chunk::Get() const {
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return chunk_;
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}
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int Chunk::Volume(int volume) {
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return Mix_VolumeChunk(chunk_, volume);
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}
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}
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143
SDL2pp/Chunk.hh
Normal file
143
SDL2pp/Chunk.hh
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@ -0,0 +1,143 @@
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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_CHUNK_HH
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#define SDL2PP_CHUNK_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 Chunk of SDL_mixer audio data
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///
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/// \ingroup mixer
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///
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/// \headerfile SDL2pp/Chunk.hh
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///
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////////////////////////////////////////////////////////////
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class Chunk {
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private:
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Mix_Chunk* chunk_; ///< Managed Mix_Chunk object
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public:
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////////////////////////////////////////////////////////////
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/// \brief Construct from existing Mix_Chunk structure
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///
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/// \param[in] chunk Existing Mix_Chunk to manage
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///
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////////////////////////////////////////////////////////////
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Chunk(Mix_Chunk* chunk);
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////////////////////////////////////////////////////////////
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/// \brief Load file for use as a sample
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///
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/// \param[in] file File name to load sample from
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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#SEC19
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///
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////////////////////////////////////////////////////////////
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Chunk(const std::string& file);
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////////////////////////////////////////////////////////////
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/// \brief Load sample using RWops
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///
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/// \param[in] rwops SDL2pp::RWops used to access sample data
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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#SEC20
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///
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////////////////////////////////////////////////////////////
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Chunk(RWops& rwops);
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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#SEC24
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///
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////////////////////////////////////////////////////////////
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~Chunk();
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////////////////////////////////////////////////////////////
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/// \brief Move constructor
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///
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/// \param[in] other SDL2pp::Chunk object to move data from
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///
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////////////////////////////////////////////////////////////
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Chunk(Chunk&& 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::Chunk 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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Chunk& operator=(Chunk&& 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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Chunk(const Chunk& 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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Chunk& operator=(const Chunk& other) = delete;
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////////////////////////////////////////////////////////////
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/// \brief Get pointer to managed Mix_Chunk structure
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///
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/// \returns Pointer to managed Mix_Chunk structure
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///
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////////////////////////////////////////////////////////////
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Mix_Chunk* Get() const;
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////////////////////////////////////////////////////////////
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/// \brief Set volume of a chunk
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///
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/// \param[in] volume The volume to use from 0 to MIX_MAX_VOLUME(128)
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///
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/// \returns Previous volume setting
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///
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/// \see https://www.libsdl.org/projects/SDL_mixer/docs/SDL_mixer.html#SEC23
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///
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////////////////////////////////////////////////////////////
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int Volume(int volume);
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};
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}
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#endif
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@ -123,6 +123,7 @@
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///
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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/SDLMixer.hh>
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#endif
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