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https://github.com/KartKrewDev/RingRacers.git
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73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/* WAVE sound file writer for recording 16-bit output during program development */
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#ifndef WAVE_WRITER_H
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#define WAVE_WRITER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* C interface */
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void wave_open( long sample_rate, const char* filename );
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void wave_enable_stereo( void );
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void wave_write( const short* buf, long count );
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long wave_sample_count( void );
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void wave_close( void );
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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#include <stddef.h>
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#include <stdio.h>
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/* C++ interface */
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class Wave_Writer {
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public:
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typedef short sample_t;
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// Create sound file with given sample rate (in Hz) and filename.
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// Exits program if there's an error.
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Wave_Writer( long sample_rate, char const* filename = "out.wav" );
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// Enable stereo output
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void enable_stereo();
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// Append 'count' samples to file. Use every 'skip'th source sample; allows
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// one channel of stereo sample pairs to be written by specifying a skip of 2.
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void write( const sample_t*, long count, int skip = 1 );
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// Append 'count' floating-point samples to file. Use every 'skip'th source sample;
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// allows one channel of stereo sample pairs to be written by specifying a skip of 2.
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void write( const float*, long count, int skip = 1 );
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// Number of samples written so far
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long sample_count() const;
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// Finish writing sound file and close it
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void close();
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~Wave_Writer();
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public:
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// Deprecated
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void stereo( bool b ) { chan_count = b ? 2 : 1; }
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private:
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enum { buf_size = 32768 * 2 };
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unsigned char* buf;
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FILE* file;
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long sample_count_;
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long rate;
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long buf_pos;
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int chan_count;
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void flush();
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};
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inline void Wave_Writer::enable_stereo() { chan_count = 2; }
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inline long Wave_Writer::sample_count() const { return sample_count_; }
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#endif
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#endif
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