// Copyright 2005-2020 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.

#ifndef MUMBLE_MUMBLE_AUDIOOUTPUTSAMPLE_H_
#define MUMBLE_MUMBLE_AUDIOOUTPUTSAMPLE_H_

#include <sndfile.h>
#include <speex/speex_resampler.h>
#include <QtCore/QObject>
#include <QtCore/QFile>

#include "AudioOutputUser.h"

class SoundFile : public QObject {
	private:
		Q_OBJECT
		Q_DISABLE_COPY(SoundFile)
	protected:
		SNDFILE *sfFile;
		SF_INFO siInfo;
		QFile qfFile;
		static sf_count_t vio_get_filelen(void *user_data);
		static sf_count_t vio_seek(sf_count_t offset, int whence, void *user_data);
		static sf_count_t vio_read(void *ptr, sf_count_t count, void *user_data);
		static sf_count_t vio_write(const void *ptr, sf_count_t count, void *user_data);
		static sf_count_t vio_tell(void *user_data);
	public:
		SoundFile(const QString &fname);
		~SoundFile();

		int channels() const;
		int samplerate() const;
		int error() const ;
		QString strError() const;
		bool isOpen() const;

		sf_count_t seek(sf_count_t frames, int whence);
		sf_count_t read(float *ptr, sf_count_t items);
};

class AudioOutputSample : public AudioOutputUser {
	private:
		Q_OBJECT
		Q_DISABLE_COPY(AudioOutputSample)
	protected:
		unsigned int iLastConsume;
		unsigned int iBufferFilled;
		unsigned int iOutSampleRate;
		SpeexResamplerState *srs;

		SoundFile *sfHandle;

		bool bLoop;
		bool bEof;
	signals:
		void playbackFinished();
	public:
		static SoundFile* loadSndfile(const QString &filename);
		static QString browseForSndfile(QString defaultpath=QString());
		virtual bool prepareSampleBuffer(unsigned int snum) Q_DECL_OVERRIDE;
		AudioOutputSample(const QString &name, SoundFile *psndfile, bool repeat, unsigned int freq);
		~AudioOutputSample() Q_DECL_OVERRIDE;
};

#endif  // AUDIOOUTPUTSAMPLE_H_