libfaad2 v2.0rc1 imported

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10726 b3059339-0415-0410-9bf9-f77b7e298cf2

96 files changed, 42879 insertions, 0 deletions

diff --git a/libfaad2/Makefile b/libfaad2/Makefile
new file mode 100644
index 0000000000..36d7b1ea14
--- /dev/null
+++ b/libfaad2/Makefile
@@ -0,0 +1,39 @@
+
+LIBNAME = libfaad2.a
+
+include ../config.mak
+
+SRCS    = bits.c cfft.c common.c decoder.c dither.c drc.c error.c filtbank.c hcr.c ic_predict.c is.c lt_predict.c mdct.c mp4.c ms.c output.c pns.c pulse.c rvlc.c sbr_dct.c sbr_dec.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 specrec.c ssr.c ssr_fb.c ssr_ipqf.c syntax.c tns.c
+OBJS	= $(SRCS:.c=.o)
+
+CFLAGS  = -I. $(OPTFLAGS) 
+
+.SUFFIXES: .c .o
+
+# .PHONY: all clean
+
+.c.o:
+	$(CC) -c $(CFLAGS) -o $@ $<
+
+$(LIBNAME):	$(OBJS)
+	$(AR) r $(LIBNAME) $(OBJS)
+
+all:	$(LIBNAME)
+
+clean:
+	rm -f *.o *.a *~
+
+distclean:
+	rm -f test *.o *.a *~ .depend
+
+dep:    depend
+
+depend:
+	$(CC) -MM $(CFLAGS) $(SRCS) 1>.depend
+
+#
+# include dependency files if they exist
+#
+ifneq ($(wildcard .depend),)
+include .depend
+endif
diff --git a/libfaad2/README b/libfaad2/README
new file mode 100644
index 0000000000..5943bdb18c
--- /dev/null
+++ b/libfaad2/README
@@ -0,0 +1 @@
+files from libfaad v2.0rc1 tarball's libfaad/ and include/ subdir
diff --git a/libfaad2/analysis.h b/libfaad2/analysis.h
new file mode 100644
index 0000000000..f05c876269
--- /dev/null
+++ b/libfaad2/analysis.h
@@ -0,0 +1,49 @@
+/*
+** 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: analysis.h,v 1.3 2003/07/29 08:20:12 menno Exp $
+**/
+
+#ifndef __ANALYSIS_H__
+#define __ANALYSIS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifdef ANALYSIS
+#define DEBUGDEC        ,uint8_t print,uint16_t var,uint8_t *dbg
+#define DEBUGVAR(A,B,C) ,A,B,C
+extern uint16_t dbg_count;
+#else
+#define DEBUGDEC
+#define DEBUGVAR(A,B,C)
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/libfaad2/bits.c b/libfaad2/bits.c
new file mode 100644
index 0000000000..00f9ad0090
--- /dev/null
+++ b/libfaad2/bits.c
@@ -0,0 +1,173 @@
+/*
+** 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: bits.c,v 1.22 2003/07/29 08:20:12 menno Exp $
+**/
+
+#include "common.h"
+#include "structs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include "bits.h"
+
+/* initialize buffer, call once before first getbits or showbits */
+void faad_initbits(bitfile *ld, void *_buffer, uint32_t buffer_size)
+{
+    uint32_t tmp;
+
+    ld->buffer = malloc((buffer_size+12)*sizeof(uint8_t));
+    memset(ld->buffer, 0, (buffer_size+12)*sizeof(uint8_t));
+    memcpy(ld->buffer, _buffer, buffer_size*sizeof(uint8_t));
+
+    ld->buffer_size = buffer_size;
+
+    tmp = getdword((uint32_t*)ld->buffer);
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufa = tmp;
+
+    tmp = getdword((uint32_t*)ld->buffer + 1);
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufb = tmp;
+
+    ld->start = (uint32_t*)ld->buffer;
+    ld->tail = ((uint32_t*)ld->buffer + 2);
+
+    ld->bits_left = 32;
+
+    ld->bytes_used = 0;
+    ld->no_more_reading = 0;
+    ld->error = 0;
+}
+
+void faad_endbits(bitfile *ld)
+{
+    if (ld)
+        if (ld->buffer) free(ld->buffer);
+}
+
+
+uint32_t faad_get_processed_bits(bitfile *ld)
+{
+    return 8 * (4*(ld->tail - ld->start) - 4) - (ld->bits_left);
+}
+
+uint8_t faad_byte_align(bitfile *ld)
+{
+    uint8_t remainder = (uint8_t)((32 - ld->bits_left) % 8);
+
+    if (remainder)
+    {
+        faad_flushbits(ld, 8 - remainder);
+        return (8 - remainder);
+    }
+    return 0;
+}
+
+/* rewind to beginning */
+void faad_rewindbits(bitfile *ld)
+{
+    uint32_t tmp;
+
+    tmp = ld->start[0];
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufa = tmp;
+
+    tmp = ld->start[1];
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufb = tmp;
+    ld->bits_left = 32;
+    ld->tail = &ld->start[2];
+    ld->bytes_used = 0;
+    ld->no_more_reading = 0;
+}
+
+uint8_t *faad_getbitbuffer(bitfile *ld, uint32_t bits
+                       DEBUGDEC)
+{
+    uint16_t i;
+    uint8_t temp;
+    uint16_t bytes = (uint16_t)bits / 8;
+    uint8_t remainder = (uint8_t)bits % 8;
+
+    uint8_t *buffer = (uint8_t*)malloc((bytes+1)*sizeof(uint8_t));
+
+    for (i = 0; i < bytes; i++)
+    {
+        buffer[i] = (uint8_t)faad_getbits(ld, 8 DEBUGVAR(print,var,dbg));
+    }
+
+    if (remainder)
+    {
+        temp = (uint8_t)faad_getbits(ld, remainder DEBUGVAR(print,var,dbg)) << (8-remainder);
+
+        buffer[bytes] = temp;
+    }
+
+    return buffer;
+}
+
+/* reversed bit reading routines, used for RVLC and HCR */
+void faad_initbits_rev(bitfile *ld, void *buffer,
+                       uint32_t bits_in_buffer)
+{
+    uint32_t tmp;
+    int32_t index;
+
+    ld->buffer_size = bit2byte(bits_in_buffer);
+
+    index = (bits_in_buffer+31)/32 - 1;
+
+    ld->start = (uint32_t*)buffer + index - 2;
+
+    tmp = getdword((uint32_t*)buffer + index);
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufa = tmp;
+
+    tmp = getdword((uint32_t*)buffer + index - 1);
+#ifndef ARCH_IS_BIG_ENDIAN
+    BSWAP(tmp);
+#endif
+    ld->bufb = tmp;
+
+    ld->tail = (uint32_t*)buffer + index;
+
+    ld->bits_left = bits_in_buffer % 32;
+    if (ld->bits_left == 0)
+        ld->bits_left = 32;
+
+    ld->bytes_used = 0;
+    ld->no_more_reading = 0;
+    ld->error = 0;
+}
diff --git a/libfaad2/bits.h b/libfaad2/bits.h
new file mode 100644
index 0000000000..fbe2295215
--- /dev/null
+++ b/libfaad2/bits.h
@@ -0,0 +1,260 @@
+/*
+** 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.
+**
+** $Id$
+**/
+
+#ifndef __BITS_H__
+#define __BITS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "analysis.h"
+#ifdef ANALYSIS
+#include <stdio.h>
+#endif
+
+#define BYTE_NUMBIT 8
+#define bit2byte(a) ((a+7)/BYTE_NUMBIT)
+
+typedef struct _bitfile
+{
+    /* bit input */
+    uint32_t bufa;
+    uint32_t