62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
#ifndef cwAudioFileOps_h
|
|
#define cwAudioFileOps_h
|
|
|
|
namespace cw
|
|
{
|
|
namespace afop
|
|
{
|
|
|
|
// Generate a sine tone and write it to a file.
|
|
rc_t sine( const char* fn, double srate, unsigned bits, double hz, double gain, double secs );
|
|
rc_t sine( const object_t* cfg );
|
|
|
|
// Mix a set of audio files.
|
|
rc_t mix( const char* fnV[], const float* gainV, unsigned srcN, const char* outFn, unsigned outBits );
|
|
rc_t mix( const object_t* cfg );
|
|
|
|
// Copy a time selection to an audio output file.
|
|
rc_t selectToFile( const char* srcFn, double begSec, double endSec, unsigned outBits, const char* outDir, const char* outFn );
|
|
rc_t selectToFile( const object_t* cfg );
|
|
|
|
|
|
// Arbitrary cross fader
|
|
typedef struct {
|
|
const char* srcFn; // source audio file name
|
|
double srcBegSec; // source clip begin
|
|
double srcEndSec; // source clip end
|
|
double srcBegFadeSec; // length of fade in (fade begins at srcBegSec and ends at srcBegSec+srcBegFadeSec)
|
|
double srcEndFadeSec; // length of fade out (fade begins at srcEndSec-srcEndFadeSec and ends at srcEndSec)
|
|
double dstBegSec; // clip output location
|
|
double gain; // scale the signal
|
|
} cutMixArg_t;
|
|
|
|
rc_t cutAndMix( const char* outFn, unsigned outBits, const char* srcDir, const cutMixArg_t* argL, unsigned argN );
|
|
rc_t cutAndMix( const object_t* cfg );
|
|
|
|
// Given a collection of overlapping tracks fade in/out sections of the tracks at specified times.
|
|
// This is a wrapper around cutAndMix()
|
|
typedef struct
|
|
{
|
|
const char* srcFn;
|
|
double srcBegSec;
|
|
double srcEndSec;
|
|
double fadeOutSec;
|
|
double gain;
|
|
} parallelMixArg_t;
|
|
|
|
rc_t parallelMix( const char* dstFn, unsigned dstBits, const char* srcDir, const parallelMixArg_t* argL, unsigned argN );
|
|
rc_t parallelMix( const object_t* cfg );
|
|
|
|
rc_t transformApp( const object_t* cfg );
|
|
|
|
rc_t convolve( const char* dstFn, unsigned dstBits, const char* srcFn, const char* impulseResponseFn, float irScale=1 );
|
|
rc_t convolve( const object_t* cfg );
|
|
|
|
rc_t test( const object_t* cfg );
|
|
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|