1 files changed, 100 insertions, 0 deletions
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
+