jkxr/Projects/Android/jni/OpenJK/code/mp3code/csbtl3.c
Simon 4597b03873 Initial Commit
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
2022-09-18 16:37:21 +01:00

308 lines
8.3 KiB
C

#ifdef COMPILE_ME
/*____________________________________________________________________________
FreeAmp - The Free MP3 Player
MP3 Decoder originally Copyright (C) 1995-1997 Xing Technology
Corp. http://www.xingtech.com
Portions Copyright (C) 1998 EMusic.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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: csbtL3.c,v 1.2 1999/10/19 07:13:08 elrod Exp $
____________________________________________________________________________*/
/**** csbtL3.c ***************************************************
layer III
include to csbt.c
******************************************************************/
/*============================================================*/
/*============ Layer III =====================================*/
/*============================================================*/
void sbt_mono_L3(float *sample, short *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 32) & 511;
pcm += 32;
}
}
/*------------------------------------------------------------*/
void sbt_dual_L3(float *sample, short *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 32) & 511;
pcm += 64;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
window_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 32) & 511;
pcm += 64;
}
}
}
/*------------------------------------------------------------*/
/*------------------------------------------------------------*/
/*---------------- 16 pt sbt's -------------------------------*/
/*------------------------------------------------------------*/
void sbt16_mono_L3(float *sample, short *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window16(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 16) & 255;
pcm += 16;
}
}
/*------------------------------------------------------------*/
void sbt16_dual_L3(float *sample, short *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window16_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 16) & 255;
pcm += 32;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
window16_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 16) & 255;
pcm += 32;
}
}
}
/*------------------------------------------------------------*/
/*---------------- 8 pt sbt's -------------------------------*/
/*------------------------------------------------------------*/
void sbt8_mono_L3(float *sample, short *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window8(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 8) & 127;
pcm += 8;
}
}
/*------------------------------------------------------------*/
void sbt8_dual_L3(float *sample, short *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
window8_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 8) & 127;
pcm += 16;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
window8_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 8) & 127;
pcm += 16;
}
}
}
/*------------------------------------------------------------*/
/*------- 8 bit output ---------------------------------------*/
/*------------------------------------------------------------*/
void sbtB_mono_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 32) & 511;
pcm += 32;
}
}
/*------------------------------------------------------------*/
void sbtB_dual_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 32) & 511;
pcm += 64;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct32(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
windowB_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 32) & 511;
pcm += 64;
}
}
}
/*------------------------------------------------------------*/
/*------------------------------------------------------------*/
/*---------------- 16 pt sbtB's -------------------------------*/
/*------------------------------------------------------------*/
void sbtB16_mono_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB16(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 16) & 255;
pcm += 16;
}
}
/*------------------------------------------------------------*/
void sbtB16_dual_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB16_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 16) & 255;
pcm += 32;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct16(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
windowB16_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 16) & 255;
pcm += 32;
}
}
}
/*------------------------------------------------------------*/
/*---------------- 8 pt sbtB's -------------------------------*/
/*------------------------------------------------------------*/
void sbtB8_mono_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
ch = 0;
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB8(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 8) & 127;
pcm += 8;
}
}
/*------------------------------------------------------------*/
void sbtB8_dual_L3(float *sample, unsigned char *pcm, int ch)
{
int i;
if (ch == 0)
{
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf + pMP3Stream->vb_ptr);
windowB8_dual(pMP3Stream->vbuf, pMP3Stream->vb_ptr, pcm);
sample += 32;
pMP3Stream->vb_ptr = (pMP3Stream->vb_ptr - 8) & 127;
pcm += 16;
}
}
else
{
for (i = 0; i < 18; i++)
{
fdct8(sample, pMP3Stream->vbuf2 + pMP3Stream->vb2_ptr);
windowB8_dual(pMP3Stream->vbuf2, pMP3Stream->vb2_ptr, pcm + 1);
sample += 32;
pMP3Stream->vb2_ptr = (pMP3Stream->vb2_ptr - 8) & 127;
pcm += 16;
}
}
}
/*------------------------------------------------------------*/
#endif // #ifdef COMPILE_ME