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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifndef CRYO_VIDEO_H
#define CRYO_VIDEO_H

namespace Cryo {

class CryoEngine;

class HnmPlayer {
private:
	CryoEngine *_vm;

	void resetInternalTimer();
	void wantsSound(bool sound);
	void decompADPCM(byte *buffer, int16 *output, int size);
	void loadDecompTable(int16 *buffer);
	void soundInADPCM(bool is_adpcm); // Unused

	bool sound_started;
	int16 pending_sounds;
	float time_drift;
	float next_frame_time;
	float expected_frame_time;
	float hnm_rate;
	bool use_sound_sync;
	bool use_sound;
	int16 pred_r;
	int16 pred_l;
	bool use_adpcm;
	bool preserve_color0;
	int16 decomp_table[256];

	void (*custom_chunk_handler)(byte *buffer, int size, int16 id, char h6, char h7);

	soundchannel_t *soundChannel;
	soundgroup_t *soundGroup;
	soundchannel_t *soundChannel_adpcm;
	soundgroup_t *soundGroup_adpcm;

public:
	uint16 curVideoNum;

	HnmPlayer(CryoEngine *vm);

	void setupTimer(float rate);
	void reset(hnm_t *hnm);
	void closeSound();
	void waitLoop(hnm_t *hnm);
	void flushPreloadBuffer(hnm_t *hnm);
	void setupSound(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
	void setupSoundADPCM(int16 numSounds, int16 length, int16 sampleSize, float rate, int16 mode);
	bool nextElement(hnm_t *hnm);
	void init();
	void setForceZero2Black(bool forceblack);
	soundchannel_t *getSoundChannel();
};

} // End of namespace Cryo

#endif