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/*
* modsmp_ctrl.h
* -------------
* Purpose: Basic sample editing code
* 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 "Snd_defs.h"
OPENMPT_NAMESPACE_BEGIN
class CSoundFile;
struct ModSample;
struct ModChannel;
namespace ctrlSmp
{
// Replaces sample in 'smp' with given sample and frees the old sample.
void ReplaceSample(ModSample &smp, void *pNewSample, const SmpLength newLength, CSoundFile &sndFile);
// Propagate loop point changes to player
bool UpdateLoopPoints(const ModSample &smp, CSoundFile &sndFile);
// Reverse sample data
bool ReverseSample(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);
enum StereoToMonoMode
{
mixChannels,
onlyLeft,
onlyRight,
splitSample,
};
// Convert a sample with any number of channels to mono
bool ConvertToMono(ModSample &smp, CSoundFile &sndFile, StereoToMonoMode conversionMode);
// Converts a stereo sample into two mono samples. Source sample will not be deleted.
// Either of the two target samples may be identical to the source sample.
bool SplitStereo(const ModSample &source, ModSample &left, ModSample &right, CSoundFile &sndFile);
// Convert a mono sample to stereo
bool ConvertToStereo(ModSample &smp, CSoundFile &sndFile);
} // Namespace ctrlSmp
namespace ctrlChn
{
// Replaces sample from sound channels by given sample.
void ReplaceSample( CSoundFile &sndFile,
const ModSample &sample,
const void * const pNewSample,
const SmpLength newLength,
FlagSet<ChannelFlags> setFlags,
FlagSet<ChannelFlags> resetFlags);
} // namespace ctrlChn
OPENMPT_NAMESPACE_END
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