/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


		#include "audio/sample_wav.h"
		#include "log/log.h"

		using namespace GS;


//------------------------------------------------------------------------------
bool			SampleWav::GetSampleFormat(SampleFormat &fmt) const
{
	fmt = format;
	return true;
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
Time			SampleWav::GetDuration() const
{	return Time::fromMs(sample_count * 1000 / format.frequency);	}
uint			SampleWav::GetPCMDataSize() const
{	return format.GetPCMDataSize(sample_count);	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
char			*SampleWav::AllocAs(uint count, const SampleFormat &fmt)
{
	format = fmt;
	if	(!pcm_data.Allocate(format.GetPCMDataSize(count)))
		__ERR__(__LOG_E__ << "Failed to allocate raw PCM sample buffer.\n", NULL)

	sample_count = count;
	return pcm_data;
}
void			SampleWav::Set(Array <char> &pcm, uint count, const SampleFormat &fmt)
{
	pcm_data = pcm;
	sample_count = count;
	format = fmt;
}
//------------------------------------------------------------------------------