93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*
|
|
* SampleEdit.h
|
|
* ------------
|
|
* Purpose: Basic sample editing code (resizing, adding silence, normalizing, ...).
|
|
* Notes : (currently none)
|
|
* Authors: OpenMPT Devs
|
|
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
|
|
*/
|
|
|
|
|
|
#pragma once
|
|
|
|
#include "openmpt/all/BuildSettings.hpp"
|
|
|
|
#include "FadeLaws.h"
|
|
#include "../soundlib/Snd_defs.h"
|
|
|
|
OPENMPT_NAMESPACE_BEGIN
|
|
|
|
class CSoundFile;
|
|
struct ModSample;
|
|
struct ModChannel;
|
|
|
|
namespace SampleEdit
|
|
{
|
|
|
|
enum ResetFlag
|
|
{
|
|
SmpResetCompo,
|
|
SmpResetInit,
|
|
SmpResetVibrato,
|
|
};
|
|
|
|
// Get a reference to all cue and loop points of the sample
|
|
std::vector<std::reference_wrapper<SmpLength>> GetCuesAndLoops(ModSample &smp);
|
|
|
|
|
|
// Insert silence to given location.
|
|
// Note: Is currently implemented only for inserting silence to the beginning and to the end of the sample.
|
|
// Return: Length of the new sample.
|
|
SmpLength InsertSilence(ModSample &smp, const SmpLength silenceLength, const SmpLength startFrom, CSoundFile &sndFile);
|
|
|
|
// Remove part of a sample [selStart, selEnd[.
|
|
// Note: Removed memory is not freed.
|
|
// Return: Length of the new sample.
|
|
SmpLength RemoveRange(ModSample &smp, SmpLength selStart, SmpLength selEnd, CSoundFile &sndFile);
|
|
|
|
// Change sample size.
|
|
// Note: If resized sample is bigger, silence will be added to the sample's tail.
|
|
// Return: Length of the new sample.
|
|
SmpLength ResizeSample(ModSample &smp, const SmpLength newLength, CSoundFile &sndFile);
|
|
|
|
// Resets samples.
|
|
void ResetSamples(CSoundFile &sndFile, ResetFlag resetflag, SAMPLEINDEX minSample = SAMPLEINDEX_INVALID, SAMPLEINDEX maxSample = SAMPLEINDEX_INVALID);
|
|
|
|
// Remove DC offset and normalize.
|
|
// Return: If DC offset was removed, returns original offset value, zero otherwise.
|
|
double RemoveDCOffset(ModSample &smp, SmpLength start, SmpLength end, CSoundFile &sndFile);
|
|
|
|
// Amplify / fade sample data
|
|
bool AmplifySample(ModSample &smp, SmpLength start, SmpLength end, double amplifyStart, double amplifyEnd, bool isFadeIn, Fade::Law fadeLaw, CSoundFile &sndFile);
|
|
|
|
// Reverse sample data
|
|
bool ReverseSample(ModSample &smp, SmpLength start, SmpLength end, CSoundFile &sndFile);
|
|
|
|
// Virtually unsign sample data
|
|
bool UnsignSample(ModSample &smp, SmpLength start, SmpLength end, CSoundFile &sndFile);
|
|
|
|
// Invert sample data (flip by 180 degrees)
|
|
bool InvertSample(ModSample &smp, SmpLength start, SmpLength end, CSoundFile &sndFile);
|
|
|
|
// Crossfade sample data to create smooth loops
|
|
bool XFadeSample(ModSample &smp, SmpLength fadeLength, int fadeLaw, bool afterloopFade, bool useSustainLoop, CSoundFile &sndFile);
|
|
|
|
// Silence parts of the sample data
|
|
bool SilenceSample(ModSample &smp, SmpLength start, SmpLength end, CSoundFile &sndFile);
|
|
|
|
// Modify stereo separation of the sample data. separation is in range [-200, 200]
|
|
bool StereoSepSample(ModSample &smp, SmpLength start, SmpLength end, double separation, CSoundFile &sndFile);
|
|
|
|
// Convert 16-bit sample to 8-bit
|
|
bool ConvertTo8Bit(ModSample &smp, CSoundFile &sndFile);
|
|
|
|
// Convert 8-bit sample to 16-bit
|
|
bool ConvertTo16Bit(ModSample &smp, CSoundFile &sndFile);
|
|
|
|
// Convert ping-pong loops to regular loops
|
|
bool ConvertPingPongLoop(ModSample &smp, CSoundFile &sndFile, bool sustainLoop);
|
|
|
|
} // namespace SampleEdit
|
|
|
|
OPENMPT_NAMESPACE_END
|