From cc2160de5cc05dc3aa77f3a34358e66f6193c8c9 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 26 Jun 2012 20:35:30 +0200 Subject: Add support for AAC. --- faad2/src/libfaad/drm_dec.h | 100 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 faad2/src/libfaad/drm_dec.h (limited to 'faad2/src/libfaad/drm_dec.h') diff --git a/faad2/src/libfaad/drm_dec.h b/faad2/src/libfaad/drm_dec.h new file mode 100644 index 0000000..e2f0429 --- /dev/null +++ b/faad2/src/libfaad/drm_dec.h @@ -0,0 +1,100 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero 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. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: drm_dec.h,v 1.8 2007/11/01 12:33:30 menno Exp $ +**/ + +#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, qmf_t X_left[38][64], qmf_t X_right[38][64]); + +#ifdef __cplusplus +} +#endif +#endif + -- cgit v1.2.3