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117 lines
5.1 KiB
C
117 lines
5.1 KiB
C
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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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 freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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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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////////////////////////////////////////////////////////////
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#ifndef SFML_SOUNDRECORDER_H
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#define SFML_SOUNDRECORDER_H
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Audio/Export.h>
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#include <SFML/Audio/Types.h>
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#include <stddef.h>
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typedef sfBool (*sfSoundRecorderStartCallback)(void*); ///< Type of the callback used when starting a capture
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typedef sfBool (*sfSoundRecorderProcessCallback)(const sfInt16*, size_t, void*); ///< Type of the callback used to process audio data
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typedef void (*sfSoundRecorderStopCallback)(void*); ///< Type of the callback used when stopping a capture
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////////////////////////////////////////////////////////////
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/// \brief Construct a new sound recorder from callback functions
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///
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/// \param onStart Callback function which will be called when a new capture starts (can be NULL)
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/// \param onProcess Callback function which will be called each time there's audio data to process
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/// \param onStop Callback function which will be called when the current capture stops (can be NULL)
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/// \param userData Data to pass to the callback function (can be NULL)
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///
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/// \return A new sfSoundRecorder object (NULL if failed)
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API sfSoundRecorder* sfSoundRecorder_create(sfSoundRecorderStartCallback onStart,
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sfSoundRecorderProcessCallback onProcess,
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sfSoundRecorderStopCallback onStop,
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void* userData);
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////////////////////////////////////////////////////////////
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/// \brief Destroy a sound recorder
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///
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/// \param soundRecorder Sound recorder to destroy
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API void sfSoundRecorder_destroy(sfSoundRecorder* soundRecorder);
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////////////////////////////////////////////////////////////
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/// \brief Start the capture of a sound recorder
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///
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/// The \a sampleRate parameter defines the number of audio samples
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/// captured per second. The higher, the better the quality
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/// (for example, 44100 samples/sec is CD quality).
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/// This function uses its own thread so that it doesn't block
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/// the rest of the program while the capture runs.
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/// Please note that only one capture can happen at the same time.
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///
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/// \param soundRecorder Sound recorder object
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/// \param sampleRate Desired capture rate, in number of samples per second
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API void sfSoundRecorder_start(sfSoundRecorder* soundRecorder, unsigned int sampleRate);
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////////////////////////////////////////////////////////////
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/// \brief Stop the capture of a sound recorder
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///
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/// \param soundRecorder Sound recorder object
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API void sfSoundRecorder_stop(sfSoundRecorder* soundRecorder);
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////////////////////////////////////////////////////////////
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/// \brief Get the sample rate of a sound recorder
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///
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/// The sample rate defines the number of audio samples
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/// captured per second. The higher, the better the quality
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/// (for example, 44100 samples/sec is CD quality).
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///
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/// \param soundRecorder Sound recorder object
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///
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/// \return Sample rate, in samples per second
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API unsigned int sfSoundRecorder_getSampleRate(const sfSoundRecorder* soundRecorder);
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////////////////////////////////////////////////////////////
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/// \brief Check if the system supports audio capture
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///
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/// This function should always be called before using
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/// the audio capture features. If it returns false, then
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/// any attempt to use sfSoundRecorder will fail.
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///
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/// \return sfTrue if audio capture is supported, sfFalse otherwise
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///
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////////////////////////////////////////////////////////////
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CSFML_AUDIO_API sfBool sfSoundRecorder_isAvailable(void);
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#endif // SFML_SOUNDRECORDER_H
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