mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 14:52:43 +00:00
82361d50d0
Patch by me and Emanuele Giaquinta git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18142 b3059339-0415-0410-9bf9-f77b7e298cf2
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
|
|
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
|
|
** Copyright (C) 2003-2004 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.
|
|
**
|
|
** $Id$
|
|
**/
|
|
|
|
#ifndef __DRM_DEC_H__
|
|
#define __DRM_DEC_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "bits.h"
|
|
|
|
#define DRM_PARAMETRIC_STEREO 0
|
|
#define DRM_NUM_SA_BANDS 8
|
|
#define DRM_NUM_PAN_BANDS 20
|
|
#define NUM_OF_LINKS 3
|
|
#define NUM_OF_QMF_CHANNELS 64
|
|
#define NUM_OF_SUBSAMPLES 30
|
|
#define MAX_SA_BAND 46
|
|
#define MAX_PAN_BAND 64
|
|
#define MAX_DELAY 5
|
|
|
|
typedef struct
|
|
{
|
|
uint8_t drm_ps_data_available;
|
|
uint8_t bs_enable_sa;
|
|
uint8_t bs_enable_pan;
|
|
|
|
uint8_t bs_sa_dt_flag;
|
|
uint8_t bs_pan_dt_flag;
|
|
|
|
uint8_t g_last_had_sa;
|
|
uint8_t g_last_had_pan;
|
|
|
|
int8_t bs_sa_data[DRM_NUM_SA_BANDS];
|
|
int8_t bs_pan_data[DRM_NUM_PAN_BANDS];
|
|
|
|
int8_t g_sa_index[DRM_NUM_SA_BANDS];
|
|
int8_t g_pan_index[DRM_NUM_PAN_BANDS];
|
|
int8_t g_prev_sa_index[DRM_NUM_SA_BANDS];
|
|
int8_t g_prev_pan_index[DRM_NUM_PAN_BANDS];
|
|
|
|
int8_t sa_decode_error;
|
|
int8_t pan_decode_error;
|
|
|
|
int8_t g_last_good_sa_index[DRM_NUM_SA_BANDS];
|
|
int8_t g_last_good_pan_index[DRM_NUM_PAN_BANDS];
|
|
|
|
qmf_t SA[NUM_OF_SUBSAMPLES][MAX_SA_BAND];
|
|
|
|
complex_t d_buff[2][MAX_SA_BAND];
|
|
complex_t d2_buff[NUM_OF_LINKS][MAX_DELAY][MAX_SA_BAND];
|
|
|
|
uint8_t delay_buf_index_ser[NUM_OF_LINKS];
|
|
|
|
real_t prev_nrg[MAX_SA_BAND];
|
|
real_t prev_peakdiff[MAX_SA_BAND];
|
|
real_t peakdecay_fast[MAX_SA_BAND];
|
|
} drm_ps_info;
|
|
|
|
|
|
uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld);
|
|
|
|
drm_ps_info *drm_ps_init(void);
|
|
void drm_ps_free(drm_ps_info *ps);
|
|
|
|
uint8_t drm_ps_decode(drm_ps_info *ps, uint8_t guess, uint32_t samplerate, qmf_t X_left[38][64], qmf_t X_right[38][64]);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|
|
|