mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 19:35:49 +00:00
e24087509a
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10990 b3059339-0415-0410-9bf9-f77b7e298cf2
158 lines
5.2 KiB
C
158 lines
5.2 KiB
C
/*
|
|
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
|
|
** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
|
|
**
|
|
** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
**
|
|
** Any non-GPL usage of this software or parts of this software is strictly
|
|
** forbidden.
|
|
**
|
|
** Commercial non-GPL licensing of this software is possible.
|
|
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
|
|
**
|
|
** $Id: syntax.h,v 1.37 2003/09/24 19:55:34 menno Exp $
|
|
**/
|
|
|
|
#ifndef __SYNTAX_H__
|
|
#define __SYNTAX_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "decoder.h"
|
|
#include "drc.h"
|
|
#include "bits.h"
|
|
|
|
#define MAIN 1
|
|
#define LC 2
|
|
#define SSR 3
|
|
#define LTP 4
|
|
#define HE_AAC 5
|
|
#define LD 23
|
|
#define ER_LC 17
|
|
#define ER_LTP 19
|
|
#define DRM_ER_LC 27 /* special object type for DRM */
|
|
|
|
/* header types */
|
|
#define RAW 0
|
|
#define ADIF 1
|
|
#define ADTS 2
|
|
|
|
/* SBR signalling */
|
|
#define NO_SBR 0
|
|
#define SBR_UPSAMPLED 1
|
|
#define SBR_DOWNSAMPLED 2
|
|
#define NO_SBR_UPSAMPLED 3
|
|
|
|
/* DRM channel definitions */
|
|
#define DRMCH_MONO 1
|
|
#define DRMCH_STEREO 2
|
|
#define DRMCH_SBR_MONO 3
|
|
#define DRMCH_SBR_LC_STEREO 4
|
|
#define DRMCH_SBR_STEREO 5
|
|
|
|
|
|
/* First object type that has ER */
|
|
#define ER_OBJECT_START 17
|
|
|
|
|
|
/* Bitstream */
|
|
#define LEN_SE_ID 3
|
|
#define LEN_TAG 4
|
|
#define LEN_BYTE 8
|
|
|
|
#define EXT_FIL 0
|
|
#define EXT_FILL_DATA 1
|
|
#define EXT_DATA_ELEMENT 2
|
|
#define EXT_DYNAMIC_RANGE 11
|
|
#define ANC_DATA 0
|
|
|
|
/* Syntax elements */
|
|
#define ID_SCE 0x0
|
|
#define ID_CPE 0x1
|
|
#define ID_CCE 0x2
|
|
#define ID_LFE 0x3
|
|
#define ID_DSE 0x4
|
|
#define ID_PCE 0x5
|
|
#define ID_FIL 0x6
|
|
#define ID_END 0x7
|
|
|
|
#define ONLY_LONG_SEQUENCE 0x0
|
|
#define LONG_START_SEQUENCE 0x1
|
|
#define EIGHT_SHORT_SEQUENCE 0x2
|
|
#define LONG_STOP_SEQUENCE 0x3
|
|
|
|
#define ZERO_HCB 0
|
|
#define FIRST_PAIR_HCB 5
|
|
#define ESC_HCB 11
|
|
#define QUAD_LEN 4
|
|
#define PAIR_LEN 2
|
|
#define NOISE_HCB 13
|
|
#define INTENSITY_HCB2 14
|
|
#define INTENSITY_HCB 15
|
|
|
|
int8_t GASpecificConfig(bitfile *ld, mp4AudioSpecificConfig *mp4ASC,
|
|
program_config *pce);
|
|
|
|
uint8_t adts_frame(adts_header *adts, bitfile *ld);
|
|
void get_adif_header(adif_header *adif, bitfile *ld);
|
|
|
|
|
|
/* static functions */
|
|
static uint8_t single_lfe_channel_element(faacDecHandle hDecoder,
|
|
element *sce, bitfile *ld,
|
|
real_t *spec_coef);
|
|
static uint8_t channel_pair_element(faacDecHandle hDecoder, element *cpe,
|
|
bitfile *ld,
|
|
real_t *spec_coef1, real_t *spec_coef2);
|
|
static uint8_t coupling_channel_element(faacDecHandle hDecoder, bitfile *ld);
|
|
static uint16_t data_stream_element(faacDecHandle hDecoder, bitfile *ld);
|
|
static uint8_t program_config_element(program_config *pce, bitfile *ld);
|
|
static uint8_t fill_element(faacDecHandle hDecoder, bitfile *ld, drc_info *drc
|
|
#ifdef SBR_DEC
|
|
,uint8_t sbr_ele
|
|
#endif
|
|
);
|
|
static uint8_t individual_channel_stream(faacDecHandle hDecoder, element *ele,
|
|
bitfile *ld, ic_stream *ics, uint8_t scal_flag,
|
|
int16_t *spec_data);
|
|
static uint8_t ics_info(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
|
|
uint8_t common_window);
|
|
static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld);
|
|
static uint8_t scale_factor_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld);
|
|
static void gain_control_data(bitfile *ld, ic_stream *ics);
|
|
static uint8_t spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
|
|
int16_t *spectral_data);
|
|
static uint16_t extension_payload(bitfile *ld, drc_info *drc, uint16_t count);
|
|
#ifdef ERROR_RESILIENCE
|
|
uint8_t reordered_spectral_data(faacDecHandle hDecoder, ic_stream *ics,
|
|
bitfile *ld, int16_t *spectral_data);
|
|
#endif
|
|
static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld);
|
|
static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld);
|
|
static void ltp_data(faacDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld);
|
|
static uint8_t adts_fixed_header(adts_header *adts, bitfile *ld);
|
|
static void adts_variable_header(adts_header *adts, bitfile *ld);
|
|
static void adts_error_check(adts_header *adts, bitfile *ld);
|
|
static uint8_t dynamic_range_info(bitfile *ld, drc_info *drc);
|
|
static uint8_t excluded_channels(bitfile *ld, drc_info *drc);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|