ref: 7f3a73551ab8b2018fba0f0f4811778549c0e944
parent: dcebb7ecc54d95970cf9e6667c8dbe985a396751
author: menno <menno>
date: Mon Jan 19 16:49:53 EST 2004
DRM PS bitstream decoding
--- a/libfaad/Makefile.am
+++ b/libfaad/Makefile.am
@@ -1,7 +1,7 @@
lib_LTLIBRARIES = libfaad.la
include_HEADERS = ../include/faad.h
-libfaad_la_SOURCES = bits.c cfft.c decoder.c drc.c \
+libfaad_la_SOURCES = bits.c cfft.c decoder.c drc.c drm_dec.c \
error.c filtbank.c \
ic_predict.c is.c lt_predict.c mdct.c mp4.c ms.c output.c pns.c \
pulse.c specrec.c syntax.c tns.c hcr.c huffman.c \
@@ -9,7 +9,7 @@
sbr_dct.c sbr_e_nf.c sbr_fbt.c sbr_hfadj.c sbr_hfgen.c \
sbr_huff.c sbr_qmf.c sbr_syntax.c sbr_tf_grid.c sbr_dec.c \
analysis.h bits.h cfft.h cfft_tab.h common.h \
-decoder.h drc.h error.h fixed.h filtbank.h \
+decoder.h drc.h drm_dec.h error.h fixed.h filtbank.h \
huffman.h ic_predict.h iq_table.h is.h kbd_win.h lt_predict.h mdct.h mp4.h \
ms.h output.h pns.h pulse.h rvlc.h sine_win.h ssr.h ssr_fb.h ssr_ipqf.h \
ssr_win.h specrec.h syntax.h structs.h tns.h \
--- /dev/null
+++ b/libfaad/drm_dec.c
@@ -1,0 +1,222 @@
+/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR and PS 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 [email protected].
+**
+** $Id: drm_dec.c,v 1.1 2004/01/19 21:49:53 menno Exp $
+**/
+
+#include "common.h"
+
+#ifdef DRM
+
+#include "drm_dec.h"
+#include "bits.h"
+
+/* constants */
+#define NUM_SA_BANDS 8
+#define NUM_PAN_BANDS 20
+
+
+/* type definitaions */
+typedef const int8_t (*drm_ps_huff_tab)[2];
+
+
+/* binary search huffman tables */
+static const int8_t f_huffman_sa[][2] = {+ { /*0*/ -15, 1 }, /* index 0: 1 bits: x */+ { 2, 3 }, /* index 1: 2 bits: 1x */+ { /*7*/ -8, 4 }, /* index 2: 3 bits: 10x */+ { 5, 6 }, /* index 3: 3 bits: 11x */+ { /*1*/ -14, /*-1*/ -16 }, /* index 4: 4 bits: 101x */+ { /*-2*/ -17, 7 }, /* index 5: 4 bits: 110x */+ { 8, 9 }, /* index 6: 4 bits: 111x */+ { /*2*/ -13, /*-3*/ -18 }, /* index 7: 5 bits: 1101x */+ { /*3*/ -12, 10 }, /* index 8: 5 bits: 1110x */+ { 11, 12 }, /* index 9: 5 bits: 1111x */+ { /*4*/ -11, /*5*/ -10 }, /* index 10: 6 bits: 11101x */+ { /*-4*/ -19, /*-5*/ -20 }, /* index 11: 6 bits: 11110x */+ { /*6*/ -9, 13 }, /* index 12: 6 bits: 11111x */+ { /*-7*/ -22, /*-6*/ -21 } /* index 13: 7 bits: 111111x */+};
+
+static const int8_t t_huffman_sa[][2] = {+ { /*0*/ -15, 1 }, /* index 0: 1 bits: x */+ { 2, 3 }, /* index 1: 2 bits: 1x */+ { /*-1*/ -16, /*1*/ -14 }, /* index 2: 3 bits: 10x */+ { 4, 5 }, /* index 3: 3 bits: 11x */+ { /*-2*/ -17, /*2*/ -13 }, /* index 4: 4 bits: 110x */+ { 6, 7 }, /* index 5: 4 bits: 111x */+ { /*-3*/ -18, /*3*/ -12 }, /* index 6: 5 bits: 1110x */+ { 8, 9 }, /* index 7: 5 bits: 1111x */+ { /*-4*/ -19, /*4*/ -11 }, /* index 8: 6 bits: 11110x */+ { 10, 11 }, /* index 9: 6 bits: 11111x */+ { /*-5*/ -20, /*5*/ -10 }, /* index 10: 7 bits: 111110x */+ { /*-6*/ -21, 12 }, /* index 11: 7 bits: 111111x */+ { /*-7*/ -22, 13 }, /* index 12: 8 bits: 1111111x */+ { /*6*/ -9, /*7*/ -8 } /* index 13: 9 bits: 11111111x */+};
+
+static const int8_t f_huffman_pan[][2] = {+ { /*0*/ -15, 1 }, /* index 0: 1 bits: x */+ { /*-1*/ -16, 2 }, /* index 1: 2 bits: 1x */+ { /*1*/ -14, 3 }, /* index 2: 3 bits: 11x */+ { 4, 5 }, /* index 3: 4 bits: 111x */+ { /*-2*/ -17, /*2*/ -13 }, /* index 4: 5 bits: 1110x */+ { 6, 7 }, /* index 5: 5 bits: 1111x */+ { /*-3*/ -18, /*3*/ -12 }, /* index 6: 6 bits: 11110x */+ { 8, 9 }, /* index 7: 6 bits: 11111x */+ { /*-4*/ -19, /*4*/ -11 }, /* index 8: 7 bits: 111110x */+ { 10, 11 }, /* index 9: 7 bits: 111111x */+ { /*-5*/ -20, /*5*/ -10 }, /* index 10: 8 bits: 1111110x */+ { 12, 13 }, /* index 11: 8 bits: 1111111x */+ { /*-6*/ -21, /*6*/ -9 }, /* index 12: 9 bits: 11111110x */+ { /*-7*/ -22, 14 }, /* index 13: 9 bits: 11111111x */+ { /*7*/ -8, 15 }, /* index 14: 10 bits: 111111111x */+ { 16, 17 }, /* index 15: 11 bits: 1111111111x */+ { /*-8*/ -23, /*8*/ -7 }, /* index 16: 12 bits: 11111111110x */+ { 18, 19 }, /* index 17: 12 bits: 11111111111x */+ { /*-10*/ -25, 20 }, /* index 18: 13 bits: 111111111110x */+ { 21, 22 }, /* index 19: 13 bits: 111111111111x */+ { /*-9*/ -24, /*9*/ -6 }, /* index 20: 14 bits: 1111111111101x */+ { /*10*/ -5, 23 }, /* index 21: 14 bits: 1111111111110x */+ { 24, 25 }, /* index 22: 14 bits: 1111111111111x */+ { /*-13*/ -28, /*-11*/ -26 }, /* index 23: 15 bits: 11111111111101x */+ { /*11*/ -4, /*13*/ -2 }, /* index 24: 15 bits: 11111111111110x */+ { 26, 27 }, /* index 25: 15 bits: 11111111111111x */+ { /*-14*/ -29, /*-12*/ -27 }, /* index 26: 16 bits: 111111111111110x */+ { /*12*/ -3, /*14*/ -1 } /* index 27: 16 bits: 111111111111111x */+};
+
+static const int8_t t_huffman_pan[][2] = {+ { /*0*/ -15, 1 }, /* index 0: 1 bits: x */+ { /*-1*/ -16, 2 }, /* index 1: 2 bits: 1x */+ { /*1*/ -14, 3 }, /* index 2: 3 bits: 11x */+ { /*-2*/ -17, 4 }, /* index 3: 4 bits: 111x */+ { /*2*/ -13, 5 }, /* index 4: 5 bits: 1111x */+ { /*-3*/ -18, 6 }, /* index 5: 6 bits: 11111x */+ { /*3*/ -12, 7 }, /* index 6: 7 bits: 111111x */+ { /*-4*/ -19, 8 }, /* index 7: 8 bits: 1111111x */+ { /*4*/ -11, 9 }, /* index 8: 9 bits: 11111111x */+ { 10, 11 }, /* index 9: 10 bits: 111111111x */+ { /*-5*/ -20, /*5*/ -10 }, /* index 10: 11 bits: 1111111110x */+ { 12, 13 }, /* index 11: 11 bits: 1111111111x */+ { /*-6*/ -21, /*6*/ -9 }, /* index 12: 12 bits: 11111111110x */+ { 14, 15 }, /* index 13: 12 bits: 11111111111x */+ { /*-7*/ -22, /*7*/ -8 }, /* index 14: 13 bits: 111111111110x */+ { 16, 17 }, /* index 15: 13 bits: 111111111111x */+ { /*-8*/ -23, /*8*/ -7 }, /* index 16: 14 bits: 1111111111110x */+ { 18, 19 }, /* index 17: 14 bits: 1111111111111x */+ { /*-10*/ -25, /*10*/ -5 }, /* index 18: 15 bits: 11111111111110x */+ { 20, 21 }, /* index 19: 15 bits: 11111111111111x */+ { /*-9*/ -24, /*9*/ -6 }, /* index 20: 16 bits: 111111111111110x */+ { 22, 23 }, /* index 21: 16 bits: 111111111111111x */+ { 24, 25 }, /* index 22: 17 bits: 1111111111111110x */+ { 26, 27 }, /* index 23: 17 bits: 1111111111111111x */+ { /*-14*/ -29, /*-13*/ -28 }, /* index 24: 18 bits: 11111111111111100x */+ { /*-12*/ -27, /*-11*/ -26 }, /* index 25: 18 bits: 11111111111111101x */+ { /*11*/ -4, /*12*/ -3 }, /* index 26: 18 bits: 11111111111111110x */+ { /*13*/ -2, /*14*/ -1 } /* index 27: 18 bits: 11111111111111111x */+};
+
+
+/* static function declarations */
+static void drm_ps_sa_element(drm_ps_info *ps, bitfile *ld);
+static void drm_ps_pan_element(drm_ps_info *ps, bitfile *ld);
+static int8_t huff_dec(bitfile *ld, drm_ps_huff_tab huff);
+
+
+uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld)
+{+ uint16_t bits = (uint16_t)faad_get_processed_bits(ld);
+
+ ps->bs_enable_sa = faad_get1bit(ld);
+ if (ps->bs_enable_sa)
+ {+ drm_ps_sa_element(ps, ld);
+ }
+
+ ps->bs_enable_pan = faad_get1bit(ld);
+ if (ps->bs_enable_pan)
+ {+ drm_ps_pan_element(ps, ld);
+ }
+
+ bits = (uint16_t)faad_get_processed_bits(ld) - bits;
+
+ return bits;
+}
+
+static void drm_ps_sa_element(drm_ps_info *ps, bitfile *ld)
+{+ drm_ps_huff_tab huff;
+ uint8_t band;
+
+ ps->bs_sa_dt_flag = faad_get1bit(ld);
+ if (ps->bs_sa_dt_flag)
+ {+ huff = t_huffman_sa;
+ } else {+ huff = f_huffman_sa;
+ }
+
+ for (band = 0; band < NUM_SA_BANDS; band++)
+ {+ ps->bs_sa_data[band] = huff_dec(ld, huff);
+ }
+}
+
+static void drm_ps_pan_element(drm_ps_info *ps, bitfile *ld)
+{+ drm_ps_huff_tab huff;
+ uint8_t band;
+
+ ps->bs_pan_dt_flag = faad_get1bit(ld);
+ if (ps->bs_pan_dt_flag)
+ {+ huff = t_huffman_pan;
+ } else {+ huff = f_huffman_pan;
+ }
+
+ for (band = 0; band < NUM_PAN_BANDS; band++)
+ {+ ps->bs_pan_data[band] = huff_dec(ld, huff);
+ }
+}
+
+/* binary search huffman decoding */
+static int8_t huff_dec(bitfile *ld, drm_ps_huff_tab huff)
+{+ uint8_t bit;
+ int16_t index = 0;
+
+ while (index >= 0)
+ {+ bit = (uint8_t)faad_get1bit(ld);
+ index = huff[index][bit];
+ }
+
+ return index + 15;
+}
+
+#endif
--- /dev/null
+++ b/libfaad/drm_dec.h
@@ -1,0 +1,58 @@
+/*
+** 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 [email protected].
+**
+** $Id: drm_dec.h,v 1.1 2004/01/19 21:49:53 menno Exp $
+**/
+
+#ifndef __DRM_DEC_H__
+#define __DRM_DEC_H__
+
+#ifdef __cplusplus
+extern "C" {+#endif
+
+#include "bits.h"
+
+#define DRM_PARAMETRIC_STEREO 0
+
+typedef struct
+{+ uint8_t bs_enable_sa;
+ uint8_t bs_enable_pan;
+
+ uint8_t bs_sa_dt_flag;
+ uint8_t bs_pan_dt_flag;
+
+ int8_t bs_sa_data[8];
+ int8_t bs_pan_data[20];
+} drm_ps_info;
+
+uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
--- a/libfaad/libfaad.dsp
+++ b/libfaad/libfaad.dsp
@@ -40,8 +40,8 @@
# PROP Output_Dir "Release"
# PROP Intermediate_Dir "Release"
# PROP Target_Dir ""
-MTL=midl.exe
F90=df.exe
+MTL=midl.exe
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
# ADD CPP /nologo /G6 /MD /W3 /GX /O2 /D "NDEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /YX /FD /c
# ADD BASE RSC /l 0x413 /d "NDEBUG"
@@ -49,7 +49,7 @@
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
-LIB32=link.exe -lib
+LIB32=xilink6.exe -lib
# ADD BASE LIB32 /nologo
# ADD LIB32 /nologo
@@ -65,8 +65,8 @@
# PROP Output_Dir "Debug"
# PROP Intermediate_Dir "Debug"
# PROP Target_Dir ""
-MTL=midl.exe
F90=df.exe
+MTL=midl.exe
# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "_DEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
# ADD BASE RSC /l 0x413 /d "_DEBUG"
@@ -74,7 +74,7 @@
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
-LIB32=link.exe -lib
+LIB32=xilink6.exe -lib
# ADD BASE LIB32 /nologo
# ADD LIB32 /nologo
@@ -109,6 +109,10 @@
# End Source File
# Begin Source File
+SOURCE=.\drm_dec.c
+# End Source File
+# Begin Source File
+
SOURCE=.\error.c
# End Source File
# Begin Source File
@@ -314,6 +318,10 @@
# Begin Source File
SOURCE=.\drc.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\drm_dec.h
# End Source File
# Begin Source File
--- a/libfaad/sbr_dec.h
+++ b/libfaad/sbr_dec.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through [email protected].
**
-** $Id: sbr_dec.h,v 1.19 2004/01/16 20:20:32 menno Exp $
+** $Id: sbr_dec.h,v 1.20 2004/01/19 21:49:53 menno Exp $
**/
#ifndef __SBR_DEC_H__
@@ -35,6 +35,9 @@
#ifdef PS_DEC
#include "ps_dec.h"
#endif
+#ifdef DRM
+#include "drm_dec.h"
+#endif
/* MAX_NTSRHFG: maximum of number_time_slots * rate + HFGen. 16*2+8 */
#define MAX_NTSRHFG 40
@@ -155,6 +158,7 @@
int8_t lcstereo_flag;
uint8_t bs_dataextra;
uint8_t Is_DRM_SBR;
+ drm_ps_info drm_ps;
#endif
uint8_t numTimeSlotsRate;
--- a/libfaad/sbr_syntax.c
+++ b/libfaad/sbr_syntax.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through [email protected].
**
-** $Id: sbr_syntax.c,v 1.22 2004/01/16 20:20:32 menno Exp $
+** $Id: sbr_syntax.c,v 1.23 2004/01/19 21:49:53 menno Exp $
**/
#include "common.h"
@@ -40,6 +40,9 @@
#ifdef PS_DEC
#include "ps_dec.h"
#endif
+#ifdef DRM
+#include "drm_dec.h"
+#endif
#include "analysis.h"
/* static function declarations */
@@ -686,16 +689,15 @@
static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr,
uint8_t bs_extension_id, uint16_t num_bits_left)
{-#ifdef DRM
- if (sbr->Is_DRM_SBR)
- return 0;
-#endif
-
switch (bs_extension_id)
{#ifdef PS_DEC
case EXTENSION_ID_PS:
return ps_data(&(sbr->ps), ld);
+#endif
+#ifdef DRM
+ case DRM_PARAMETRIC_STEREO:
+ return drm_ps_data(&(sbr->drm_ps), ld);
#endif
default:
sbr->bs_extension_data = (uint8_t)faad_getbits(ld, 6