53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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#ifndef cwAudioFileOps_h
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#define cwAudioFileOps_h
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namespace cw
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{
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namespace afop
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{
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// Generate a sine tone and write it to a file.
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rc_t sine( const char* fn, double srate, unsigned bits, double hz, double gain, double secs );
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rc_t sine( const object_t* cfg );
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// Mix a set of audio files.
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rc_t mix( const char* fnV[], const float* gainV, unsigned srcN, const char* outFn, unsigned outBits );
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rc_t mix( const object_t* cfg );
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// Copy a time selection to an audio output file.
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rc_t selectToFile( const char* srcFn, double begSec, double endSec, unsigned outBits, const char* outDir, const char* outFn );
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rc_t selectToFile( const object_t* cfg );
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// Cross fader
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typedef struct {
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const char* srcFn; // source audio file name
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double srcBegSec; // source clip begin
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double srcEndSec; // source clip end
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double srcBegFadeSec; // length of fade in (fade begins at srcBegSec and ends at srcBegSec+srcBegFadeSec)
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double srcEndFadeSec; // length of fade out (fade begins at srcEndSec-srcEndFadeSec and ends at srcEndSec)
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double dstBegSec; // clip output location
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} cutMixArg_t;
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rc_t cutAndMix( const char* outFn, unsigned outBits, const char* srcDir, const cutMixArg_t* argL, unsigned argN );
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rc_t cutAndMix( const object_t* cfg );
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typedef struct
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{
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const char* srcFn;
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double srcBegSec;
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double srcEndSec;
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double fadeOutSec;
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} parallelMixArg_t;
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rc_t parallelMix( const char* dstFn, unsigned dstBits, const char* srcDir, const parallelMixArg_t* argL, unsigned argN );
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rc_t parallelMix( const object_t* cfg );
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rc_t test( const object_t* cfg );
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}
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}
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#endif
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