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/*
* resample.c
* Copyright (C) 2001 Árpád Gereöffy
*
* This file is part of a52dec, a free ATSC A-52 stream decoder.
* See http://liba52.sourceforge.net/ for updates.
*
* File added for use with MPlayer and not part of original a52dec.
*
* a52dec 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.
*
* a52dec 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
*/
// a52_resample_init should find the requested converter (from type flags ->
// given number of channels) and set up some function pointers...
// a52_resample() should do the conversion.
#include <inttypes.h>
#include <stdio.h>
#include "a52.h"
#include "mm_accel.h"
#include "../config.h"
#include "mangle.h"
int (* a52_resample) (float * _f, int16_t * s16)=NULL;
#include "resample_c.c"
#if defined(ARCH_X86) || defined(ARCH_X86_64)
#include "resample_mmx.c"
#endif
#ifdef HAVE_ALTIVEC
#include "resample_altivec.c"
#endif
void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
void* tmp;
#if defined(ARCH_X86) || defined(ARCH_X86_64)
if(mm_accel&MM_ACCEL_X86_MMX){
tmp=a52_resample_MMX(flags,chans);
if(tmp){
if(a52_resample==NULL) fprintf(stderr, "Using MMX optimized resampler\n");
a52_resample=tmp;
return tmp;
}
}
#endif
#ifdef HAVE_ALTIVEC
if(mm_accel&MM_ACCEL_PPC_ALTIVEC){
tmp=a52_resample_altivec(flags,chans);
if(tmp){
if(a52_resample==NULL) fprintf(stderr, "Using AltiVec optimized resampler\n");
a52_resample=tmp;
return tmp;
}
}
#endif
tmp=a52_resample_C(flags,chans);
if(tmp){
if(a52_resample==NULL) fprintf(stderr, "No accelerated resampler found\n");
a52_resample=tmp;
return tmp;
}
fprintf(stderr, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
return NULL;
}
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