Version 0.94.1 of the bladeenc mp3 encoder

[swftools.git] / lib / bladeenc / common.c

diff --git a/lib/bladeenc/common.c b/lib/bladeenc/common.c
new file mode 100644 (file)
index 0000000..0ffddc2
--- /dev/null
+++ b/lib/bladeenc/common.c
@@ -0,0 +1,105 @@
+/*
+                       (c) Copyright 1998-2000 - Tord Jansson
+                       ======================================
+
+               This file is part of the BladeEnc MP3 Encoder, based on
+               ISO's reference code for MPEG Layer 3 compression, and might
+               contain smaller or larger sections that are directly taken
+               from ISO's reference code.
+
+               All changes to the ISO reference code herein are either
+               copyrighted by Tord Jansson (tord.jansson@swipnet.se)
+               or sublicensed to Tord Jansson by a third party.
+
+       BladeEnc is free software; you can redistribute this file
+       and/or modify it under the terms of the GNU Lesser General Public
+       License as published by the Free Software Foundation; either
+       version 2.1 of the License, or (at your option) any later version.
+
+
+
+       ------------    Changes    ------------
+
+       2000-11-22  Andre Piotrowski
+
+       -       bug fix: mem_alloc() - no lomger a need to allocate block*2 bytes
+*/
+
+/***********************************************************************
+*
+*  Global Include Files
+*
+***********************************************************************/
+
+#include       <string.h> /* 1995-07-11 shn */
+#include       <ctype.h>
+#include       <stdlib.h>
+
+#include    "common.h"
+
+
+
+
+
+/***********************************************************************
+*
+*  Global Variable Definitions
+*
+***********************************************************************/
+
+/* 1: MPEG-1, 0: MPEG-2 LSF, 1995-07-11 shn */
+double                                 s_freq[2][4] =
+{
+       {22.05, 24, 16, 0},
+       {44.1 , 48, 32, 0}
+};
+
+/* 1: MPEG-1, 0: MPEG-2 LSF, 1995-07-11 shn */
+int                                            bitratex[2][15] =
+{
+       {   0,  8, 16, 24, 32, 40, 48, 56, 64, 80, 96,112,128,144,160},
+       {   0, 32, 40, 48, 56, 64, 80, 96,112,128,160,192,224,256,320}
+};
+
+
+
+
+
+/*******************************************************************************
+*
+*  Allocate number of bytes of memory equal to "block".
+*
+*******************************************************************************/
+
+void                                   *mem_alloc (unsigned int block, char *item)
+{
+       void                                    *ptr;
+
+       ptr = (void *) malloc (block);
+
+       memset (ptr, 0, block);
+
+       return ptr;
+}
+
+
+
+
+
+/****************************************************************************
+*
+*  Free memory pointed to by "*ptr_addr".
+*
+*****************************************************************************/
+
+void                                   mem_free (void **ptr_addr)
+{
+       if (*ptr_addr != NULL)
+       {
+               free (*ptr_addr);
+               *ptr_addr = NULL;
+       }
+}
+
+
+