#pragma warning(disable:4206) // nonstandard extension used : translation unit is empty #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