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Diffstat (limited to 'src/SFML/Audio/SoundFileReaderMp3.hpp')
| -rw-r--r-- | src/SFML/Audio/SoundFileReaderMp3.hpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/SFML/Audio/SoundFileReaderMp3.hpp b/src/SFML/Audio/SoundFileReaderMp3.hpp new file mode 100644 index 0000000..9af7b49 --- /dev/null +++ b/src/SFML/Audio/SoundFileReaderMp3.hpp @@ -0,0 +1,143 @@ +//////////////////////////////////////////////////////////// +// +// SFML - Simple and Fast Multimedia Library +// Copyright (C) 2007-2023 Laurent Gomila (laurent@sfml-dev.org) +// +// This software is provided 'as-is', without any express or implied warranty. +// In no event will the authors be held liable for any damages arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it freely, +// subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; +// you must not claim that you wrote the original software. +// If you use this software in a product, an acknowledgment +// in the product documentation would be appreciated but is not required. +// +// 2. Altered source versions must be plainly marked as such, +// and must not be misrepresented as being the original software. +// +// 3. This notice may not be removed or altered from any source distribution. +// +//////////////////////////////////////////////////////////// + +#ifndef SFML_SOUNDFILEREADERMP3_HPP +#define SFML_SOUNDFILEREADERMP3_HPP + +//////////////////////////////////////////////////////////// +// Headers +//////////////////////////////////////////////////////////// +#ifndef NOMINMAX +#define NOMINMAX // To avoid windows.h and std::min issue +#endif +#define MINIMP3_NO_STDIO // Minimp3 control define, eliminate file manipulation code which is useless here + +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4242 4244 4267 4456 4706) +#endif + +#include <minimp3_ex.h> + +#ifdef _MSC_VER +#pragma warning(pop) +#endif + +#undef NOMINMAX +#undef MINIMP3_NO_STDIO + +#include <SFML/Audio/SoundFileReader.hpp> +#include <vector> + + +namespace sf +{ +namespace priv +{ +//////////////////////////////////////////////////////////// +/// \brief Implementation of sound file reader that handles MP3 files +/// +//////////////////////////////////////////////////////////// +class SoundFileReaderMp3 : public SoundFileReader +{ +public: + + //////////////////////////////////////////////////////////// + /// \brief Check if this reader can handle a file given by an input stream + /// + /// \param stream Source stream to check + /// + /// \return True if the file is supported by this reader + /// + //////////////////////////////////////////////////////////// + static bool check(InputStream& stream); + +public: + + //////////////////////////////////////////////////////////// + /// \brief Default constructor + /// + //////////////////////////////////////////////////////////// + SoundFileReaderMp3(); + + //////////////////////////////////////////////////////////// + /// \brief Destructor + /// + //////////////////////////////////////////////////////////// + ~SoundFileReaderMp3(); + + //////////////////////////////////////////////////////////// + /// \brief Open a sound file for reading + /// + /// \param stream Source stream to read from + /// \param info Structure to fill with the properties of the loaded sound + /// + /// \return True if the file was successfully opened + /// + //////////////////////////////////////////////////////////// + virtual bool open(InputStream& stream, Info& info); + + //////////////////////////////////////////////////////////// + /// \brief Change the current read position to the given sample offset + /// + /// The sample offset takes the channels into account. + /// If you have a time offset instead, you can easily find + /// the corresponding sample offset with the following formula: + /// `timeInSeconds * sampleRate * channelCount` + /// If the given offset exceeds to total number of samples, + /// this function must jump to the end of the file. + /// + /// \param sampleOffset Index of the sample to jump to, relative to the beginning + /// + //////////////////////////////////////////////////////////// + virtual void seek(Uint64 sampleOffset); + + //////////////////////////////////////////////////////////// + /// \brief Read audio samples from the open file + /// + /// \param samples Pointer to the sample array to fill + /// \param maxCount Maximum number of samples to read + /// + /// \return Number of samples actually read (may be less than \a maxCount) + /// + //////////////////////////////////////////////////////////// + virtual Uint64 read(Int16* samples, Uint64 maxCount); + +private: + + //////////////////////////////////////////////////////////// + // Member data + //////////////////////////////////////////////////////////// + mp3dec_io_t m_io; + mp3dec_ex_t m_decoder; + Uint64 m_numSamples; // Decompressed audio storage size + Uint64 m_position; // Position in decompressed audio buffer +}; + +} // namespace priv + +} // namespace sf + + +#endif // SFML_SOUNDFILEREADERMP3_HPP |