// audiofilePlayObject
//
// Copyright (C) 2001 Neil Stevens <neil@qualityassistant.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// 
// Except as contained in this notice, the name(s) of the author(s) shall not be
// used in advertising or otherwise to promote the sale, use or other dealings
// in this Software without prior written authorization from the author(s).

#ifndef AUDIOFILEPLAYOBJECTI_H
#define AUDIOFILEPLAYOBJECTI_H

#include "audiofilearts.h"
#include <stdsynthmodule.h>

#include <string>

namespace Arts
{
  class Resampler;
  class AudioFilePlayObjectRefiller;
}

extern "C"
{
#include <audiofile.h>
}

using namespace Arts;
using namespace std; // violation of Kyoto protocol against namespace pollution

class audiofilePlayObjectI : public audiofilePlayObject_skel, public StdSynthModule
{
public:
	audiofilePlayObjectI();
	~audiofilePlayObjectI();

	bool loadMedia(const string &);
	string description();
	string mediaName();
	poCapabilities capabilities();
	poState state();
	void play();
	void pause();
	void halt();
	poTime currentTime();
	poTime overallTime();
	void seek(const poTime &);
	void calculateBlock(unsigned long samples);

	// functions demanded by the linker
	AutoSuspendState autoSuspend();
	void start();
	void stop();
	void streamInit();
	void streamStart();
	void streamEnd();

	// PitchablePlayObject:
	float speed();
	void speed(float newSpeed);

private:
	bool sanityCheck(void) { return fh != AF_NULL_FILEHANDLE; };

	AFfilehandle fh;
	
	int channels, frameSize, sampleWidth;
	float samplingRate;

	poState myState;
	std::string filename;

	float _speed;
	Arts::Resampler             * resampler;
	AudioFilePlayObjectRefiller * refiller;
};

#endif
