[deb_ffmpeg.git] / ffmpeg / libavcodec / eac3enc.h

/*
 * E-AC-3 encoder
 * Copyright (c) 2011 Justin Ruggles <justin.ruggles@gmail.com>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * E-AC-3 encoder
 */

#ifndef AVCODEC_EAC3ENC_H
#define AVCODEC_EAC3ENC_H

#include "ac3enc.h"

/**
 * Initialize E-AC-3 exponent tables.
 */
void ff_eac3_exponent_init(void);

/**
 * Determine frame exponent strategy use and indices.
 */
void ff_eac3_get_frame_exp_strategy(AC3EncodeContext *s);

/**
 * Set coupling states.
 * This determines whether certain flags must be written to the bitstream or
 * whether they will be implicitly already known by the decoder.
 */
void ff_eac3_set_cpl_states(AC3EncodeContext *s);

/**
 * Write the E-AC-3 frame header to the output bitstream.
 */
void ff_eac3_output_frame_header(AC3EncodeContext *s);

#endif /* AVCODEC_EAC3ENC_H */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* E-AC-3 encoder
	3	* Copyright (c) 2011 Justin Ruggles <justin.ruggles@gmail.com>
	4	*
	5	* This file is part of FFmpeg.
	6	*
	7	* FFmpeg is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 2.1 of the License, or (at your option) any later version.
	11	*
	12	* FFmpeg is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
	18	* License along with FFmpeg; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	20	*/
	21
	22	/**
	23	* @file
	24	* E-AC-3 encoder
	25	*/
	26
	27	#ifndef AVCODEC_EAC3ENC_H
	28	#define AVCODEC_EAC3ENC_H
	29
	30	#include "ac3enc.h"
	31
	32	/**
	33	* Initialize E-AC-3 exponent tables.
	34	*/
	35	void ff_eac3_exponent_init(void);
	36
	37	/**
	38	* Determine frame exponent strategy use and indices.
	39	*/
	40	void ff_eac3_get_frame_exp_strategy(AC3EncodeContext *s);
	41
	42	/**
	43	* Set coupling states.
	44	* This determines whether certain flags must be written to the bitstream or
	45	* whether they will be implicitly already known by the decoder.
	46	*/
	47	void ff_eac3_set_cpl_states(AC3EncodeContext *s);
	48
	49	/**
	50	* Write the E-AC-3 frame header to the output bitstream.
	51	*/
	52	void ff_eac3_output_frame_header(AC3EncodeContext *s);
	53
	54	#endif /* AVCODEC_EAC3ENC_H */