#include "lib_snd.h"

#ifndef __API_INTERN__
#define LIBID			LIB_SND
#define LIB				GeSndLib

static LIB *library_cache = nullptr;

#include "c4d_basesound.h"
GeSndInfo::GeSndInfo(BaseSound *bs)
{
	data=nullptr;
	if (bs)
	{
		bs->GetSoundInfo( this );
	}
}

static inline LIB *CheckLibSnd(Int32 offset)
{
	return (LIB*)CheckLib(LIBID,offset,(C4DLibrary**)&library_cache);
}


GePlaySnd* GePlaySnd::Alloc()
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Alloc)); if (!lib || !lib->Alloc) return nullptr;
	return lib->Alloc();
}

void GePlaySnd::Free(GePlaySnd *&data)
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Free)); if (!lib || !lib->Free) return;
	lib->Free(data);
}

GePlaySnd::GePlaySnd()
{
}

Bool GePlaySnd::Open( const BaseSound *snd )
{
	const Float	start_offset = 0;
	GeSndInfo	info;

	snd->GetSoundInfo( &info );

	return Open( 1, &snd, &start_offset, info.GetLength().Get());
}

Bool GePlaySnd::Open( Int32 stream_cnt, const BaseSound **streams, const Float *start_offsets, Float max_length )
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Open)); if (!lib || !lib->Open) return false;
	return (this->*lib->Open)( stream_cnt, streams, start_offsets, max_length );
}

void GePlaySnd::Close()
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Close)); if (!lib || !lib->Close) return;
	(this->*lib->Close)();
}

void GePlaySnd::StartAt( Float64 start )
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,StartAt)); if (!lib || !lib->StartAt) return;
	(this->*lib->StartAt)( start );
}

void GePlaySnd::Scrub( Float64 start, Float64 duration )
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Scrub)); if (!lib || !lib->Scrub) return;
	(this->*lib->Scrub)( start, duration );
}

void GePlaySnd::Stop()
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,Stop)); if (!lib || !lib->Stop) return;
	(this->*lib->Stop)();
}

Bool GePlaySnd::IsPlaying()
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,IsPlaying)); if (!lib || !lib->IsPlaying) return false;
	return (this->*lib->IsPlaying)();
}

Float64 GePlaySnd::GetPositionEstimate()
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,GetPositionEstimate)); if (!lib || !lib->GetPositionEstimate) return 0.0;
	return (this->*lib->GetPositionEstimate)();
}


void	GePlaySnd::SetScale( Float64 scale )
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,SetScale)); if (!lib || !lib->SetScale) return;
	(this->*lib->SetScale)( scale );
}

Float64	GePlaySnd::GetScale( void )
{
	LIB *lib = CheckLibSnd(LIBOFFSET(LIB,GetScale)); if (!lib || !lib->GetScale) return 0;
	return (this->*lib->GetScale)();
}

#endif