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reactos/sdk/lib/3rdparty/libmpg123/optimize.c

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/*
optimize: get a grip on the different optimizations
copyright 2006-9 by the mpg123 project - free software under the terms of the LGPL 2.1
see COPYING and AUTHORS files in distribution or http://mpg123.org
initially written by Thomas Orgis, inspired by 3DNow stuff in mpg123.[hc]
Currently, this file contains the struct and function to choose an optimization variant and works only when OPT_MULTI is in effect.
*/
#define I_AM_OPTIMIZE
#include "mpg123lib_intern.h" /* includes optimize.h */
#include "debug.h"
#if ((defined OPT_X86) || (defined OPT_X86_64) || (defined OPT_NEON) || (defined OPT_NEON64)) && (defined OPT_MULTI)
#include "getcpuflags.h"
static struct cpuflags cpu_flags;
#else
/* Faking stuff for non-multi builds. The same code for synth function choice is used.
Just no runtime dependency of result... */
#define cpu_flags nothing
#define cpu_i586(s) 1
#define cpu_fpu(s) 1
#define cpu_mmx(s) 1
#define cpu_3dnow(s) 1
#define cpu_3dnowext(s) 1
#define cpu_sse(s) 1
#define cpu_sse2(s) 1
#define cpu_sse3(s) 1
#define cpu_avx(s) 1
#define cpu_neon(s) 1
#endif
/* Ugly macros to build conditional synth function array values. */
#ifndef NO_8BIT
#define IF8(synth) synth,
#else
#define IF8(synth)
#endif
#ifndef NO_SYNTH32
#ifndef NO_REAL
#define IFREAL(synth) synth,
#else
#define IFREAL(synth)
#endif
#ifndef NO_32BIT
#define IF32(synth) synth
#else
#define IF32(synth)
#endif
#else
#define IFREAL(synth)
#define IF32(synth)
#endif
#ifndef NO_16BIT
# define OUT_SYNTHS(synth_16, synth_8, synth_real, synth_32) { synth_16, IF8(synth_8) IFREAL(synth_real) IF32(synth_32) }
#else
# define OUT_SYNTHS(synth_16, synth_8, synth_real, synth_32) { IF8(synth_8) IFREAL(synth_real) IF32(synth_32) }
#endif
/* The call of left and right plain synth, wrapped.
This may be replaced by a direct stereo optimized synth. */
static int synth_stereo_wrap(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
{
int clip;
clip = (fr->synth)(bandPtr_l, 0, fr, 0);
clip += (fr->synth)(bandPtr_r, 1, fr, 1);
return clip;
}
static const struct synth_s synth_base =
{
{ /* plain */
OUT_SYNTHS(synth_1to1, synth_1to1_8bit, synth_1to1_real, synth_1to1_s32)
# ifndef NO_DOWNSAMPLE
,OUT_SYNTHS(synth_2to1, synth_2to1_8bit, synth_2to1_real, synth_2to1_s32)
,OUT_SYNTHS(synth_4to1, synth_4to1_8bit, synth_4to1_real, synth_4to1_s32)
# endif
# ifndef NO_NTOM
,OUT_SYNTHS(synth_ntom, synth_ntom_8bit, synth_ntom_real, synth_ntom_s32)
# endif
},
{ /* stereo, by default only wrappers over plain synth */
OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
# ifndef NO_DOWNSAMPLE
,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
# endif
# ifndef NO_NTOM
,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
# endif
},
{ /* mono2stereo */
OUT_SYNTHS(synth_1to1_m2s, synth_1to1_8bit_m2s, synth_1to1_real_m2s, synth_1to1_s32_m2s)
# ifndef NO_DOWNSAMPLE
,OUT_SYNTHS(synth_2to1_m2s, synth_2to1_8bit_m2s, synth_2to1_real_m2s, synth_2to1_s32_m2s)
,OUT_SYNTHS(synth_4to1_m2s, synth_4to1_8bit_m2s, synth_4to1_real_m2s, synth_4to1_s32_m2s)
# endif
# ifndef NO_NTOM
,OUT_SYNTHS(synth_ntom_m2s, synth_ntom_8bit_m2s, synth_ntom_real_m2s, synth_ntom_s32_m2s)
# endif
},
{ /* mono*/
OUT_SYNTHS(synth_1to1_mono, synth_1to1_8bit_mono, synth_1to1_real_mono, synth_1to1_s32_mono)
# ifndef NO_DOWNSAMPLE
,OUT_SYNTHS(synth_2to1_mono, synth_2to1_8bit_mono, synth_2to1_real_mono, synth_2to1_s32_mono)
,OUT_SYNTHS(synth_4to1_mono, synth_4to1_8bit_mono, synth_4to1_real_mono, synth_4to1_s32_mono)
# endif
# ifndef NO_NTOM
,OUT_SYNTHS(synth_ntom_mono, synth_ntom_8bit_mono, synth_ntom_real_mono, synth_ntom_s32_mono)
#endif
}
};
#ifdef OPT_X86
/* More plain synths for i386 */
const func_synth plain_i386[r_limit][f_limit] =
{ /* plain */
OUT_SYNTHS(synth_1to1_i386, synth_1to1_8bit_i386, synth_1to1_real_i386, synth_1to1_s32_i386)
# ifndef NO_DOWNSAMPLE
,OUT_SYNTHS(synth_2to1_i386, synth_2to1_8bit_i386, synth_2to1_real_i386, synth_2to1_s32_i386)
,OUT_SYNTHS(synth_4to1_i386, synth_4to1_8bit_i386, synth_4to1_real_i386, synth_4to1_s32_i386)
# endif
# ifndef NO_NTOM
,OUT_SYNTHS(synth_ntom, synth_ntom_8bit, synth_ntom_real, synth_ntom_s32)
# endif
};
#endif
enum optdec defdec(void){ return defopt; }
enum optcla decclass(const enum optdec type)
{
return
(
type == mmx
|| type == sse
|| type == sse_vintage
|| type == dreidnowext
|| type == dreidnowext_vintage
|| type == x86_64
|| type == neon
|| type == neon64
|| type == avx
) ? mmxsse : normal;
}
static int find_synth(func_synth synth, const func_synth synths[r_limit][f_limit])
{
enum synth_resample ri;
enum synth_format fi;
for(ri=0; ri<r_limit; ++ri)
for(fi=0; fi<f_limit; ++fi)
if(synth == synths[ri][fi])
return TRUE;
return FALSE;
}
#if defined(OPT_SSE) || defined(OPT_SSE_VINTAGE)
/* After knowing that it is either vintage or current SSE,
this separates the two. In case of non-OPT_MULTI, only one
of OPT_SSE and OPT_SSE_VINTAGE is active. */
static enum optdec sse_or_vintage(mpg123_handle *fr)
{
enum optdec type;
type = sse_vintage;
# ifdef OPT_SSE
# ifdef OPT_MULTI
if(fr->cpu_opts.the_dct36 == dct36_sse)
# endif
type = sse;
# endif
return type;
}
#endif
/* Determine what kind of decoder is actually active
This depends on runtime choices which may cause fallback to i386 or generic code. */
static int find_dectype(mpg123_handle *fr)
{
enum optdec type = nodec;
/* Direct and indirect usage, 1to1 stereo decoding.
Concentrating on the plain stereo synth should be fine, mono stuff is derived. */
func_synth basic_synth = fr->synth;
#ifndef NO_8BIT
#ifndef NO_16BIT
if(basic_synth == synth_1to1_8bit_wrap)
basic_synth = fr->synths.plain[r_1to1][f_16]; /* That is what's really below the surface. */
#endif
#endif
if(FALSE) ; /* Just to initialize the else if ladder. */
#ifndef NO_16BIT
#if defined(OPT_3DNOWEXT) || defined(OPT_3DNOWEXT_VINTAGE)
else if(basic_synth == synth_1to1_3dnowext)
{
type = dreidnowext;
# ifdef OPT_3DNOWEXT_VINTAGE
# ifdef OPT_MULTI
if(fr->cpu_opts.the_dct36 == dct36_3dnowext)
# endif
type = dreidnowext_vintage;
# endif
}
#endif
#if defined(OPT_SSE) || defined(OPT_SSE_VINTAGE)
else if(basic_synth == synth_1to1_sse)
{
type = sse_or_vintage(fr);
}
#endif
#if defined(OPT_3DNOW) || defined(OPT_3DNOW_VINTAGE)
else if(basic_synth == synth_1to1_3dnow)
{
type = dreidnow;
# ifdef OPT_3DNOW_VINTAGE
# ifdef OPT_MULTI
if(fr->cpu_opts.the_dct36 == dct36_3dnow)
# endif
type = dreidnow_vintage;
# endif
}
#endif
#ifdef OPT_MMX
else if(basic_synth == synth_1to1_mmx) type = mmx;
#endif
#ifdef OPT_I586_DITHER
else if(basic_synth == synth_1to1_i586_dither) type = ifuenf_dither;
#endif
#ifdef OPT_I586
else if(basic_synth == synth_1to1_i586) type = ifuenf;
#endif
#ifdef OPT_ALTIVEC
else if(basic_synth == synth_1to1_altivec) type = altivec;
#endif
#ifdef OPT_X86_64
else if(basic_synth == synth_1to1_x86_64) type = x86_64;
#endif
#ifdef OPT_AVX
else if(basic_synth == synth_1to1_avx) type = avx;
#endif
#ifdef OPT_ARM
else if(basic_synth == synth_1to1_arm) type = arm;
#endif
#ifdef OPT_NEON
else if(basic_synth == synth_1to1_neon) type = neon;
#endif
#ifdef OPT_NEON64
else if(basic_synth == synth_1to1_neon64) type = neon64;
#endif
#ifdef OPT_GENERIC_DITHER
else if(basic_synth == synth_1to1_dither) type = generic_dither;
#endif
#ifdef OPT_DITHER /* either i586 or generic! */
#ifndef NO_DOWNSAMPLE
else if
(
basic_synth == synth_2to1_dither
|| basic_synth == synth_4to1_dither
) type = generic_dither;
#endif
#endif
#endif /* 16bit */
#ifndef NO_SYNTH32
#ifndef NO_REAL
#if defined(OPT_SSE) || defined(OPT_SSE_VINTAGE)
else if(basic_synth == synth_1to1_real_sse)
{
type = sse_or_vintage(fr);
}
#endif
#ifdef OPT_X86_64
else if(basic_synth == synth_1to1_real_x86_64) type = x86_64;
#endif
#ifdef OPT_AVX
else if(basic_synth == synth_1to1_real_avx) type = avx;
#endif
#ifdef OPT_ALTIVEC
else if(basic_synth == synth_1to1_real_altivec) type = altivec;
#endif
#ifdef OPT_NEON
else if(basic_synth == synth_1to1_real_neon) type = neon;
#endif
#ifdef OPT_NEON64
else if(basic_synth == synth_1to1_real_neon64) type = neon64;
#endif
#endif /* real */
#ifndef NO_32BIT
#if defined(OPT_SSE) || defined(OPT_SSE_VINTAGE)
else if(basic_synth == synth_1to1_s32_sse)
{
type = sse_or_vintage(fr);
}
#endif
#ifdef OPT_X86_64
else if(basic_synth == synth_1to1_s32_x86_64) type = x86_64;
#endif
#ifdef OPT_AVX
else if(basic_synth == synth_1to1_s32_avx) type = avx;
#endif
#ifdef OPT_ALTIVEC
else if(basic_synth == synth_1to1_s32_altivec) type = altivec;
#endif
#ifdef OPT_NEON
else if(basic_synth == synth_1to1_s32_neon) type = neon;
#endif
#ifdef OPT_NEON64
else if(basic_synth == synth_1to1_s32_neon64) type = neon64;
#endif
#endif /* 32bit */
#endif /* any 32 bit synth */
#ifdef OPT_X86
else if(find_synth(basic_synth, plain_i386))
type = idrei;
#endif
else if(find_synth(basic_synth, synth_base.plain))
type = generic;
#ifdef OPT_I486
/* i486 is special ... the specific code is in use for 16bit 1to1 stereo
otherwise we have i386 active... but still, the distinction doesn't matter*/
type = ivier;
#endif
if(type != nodec)
{
fr->cpu_opts.type = type;
fr->cpu_opts.class = decclass(type);
debug3("determined active decoder type %i (%s) of class %i", type, decname[type], fr->cpu_opts.class);
return MPG123_OK;
}
else
{
if(NOQUIET) error("Unable to determine active decoder type -- this is SERIOUS b0rkage!");
fr->err = MPG123_BAD_DECODER_SETUP;
return MPG123_ERR;
}
}
/* set synth functions for current frame, optimizations handled by opt_* macros */
int set_synth_functions(mpg123_handle *fr)
{
enum synth_resample resample = r_none;
enum synth_format basic_format = f_none; /* Default is always 16bit, or whatever. */
/* Select the basic output format, different from 16bit: 8bit, real. */
if(FALSE){}
#ifndef NO_16BIT
else if(fr->af.dec_enc & MPG123_ENC_16)
basic_format = f_16;
#endif
#ifndef NO_8BIT
else if(fr->af.dec_enc & MPG123_ENC_8)
basic_format = f_8;
#endif
#ifndef NO_REAL
else if(fr->af.dec_enc & MPG123_ENC_FLOAT)
basic_format = f_real;
#endif
#ifndef NO_32BIT
/* 24 bit integer means decoding to 32 bit first. */
else if(fr->af.dec_enc & MPG123_ENC_32 || fr->af.dec_enc & MPG123_ENC_24)
basic_format = f_32;
#endif
/* Make sure the chosen format is compiled into this lib. */
if(basic_format == f_none)
{
if(NOQUIET) error("set_synth_functions: This output format is disabled in this build!");
return -1;
}
/* Be explicit about downsampling variant. */
switch(fr->down_sample)
{
case 0: resample = r_1to1; break;
#ifndef NO_DOWNSAMPLE
case 1: resample = r_2to1; break;
case 2: resample = r_4to1; break;
#endif
#ifndef NO_NTOM
case 3: resample = r_ntom; break;
#endif
}
if(resample == r_none)
{
if(NOQUIET) error("set_synth_functions: This resampling mode is not supported in this build!");
return -1;
}
debug2("selecting synth: resample=%i format=%i", resample, basic_format);
/* Finally selecting the synth functions for stereo / mono. */
fr->synth = fr->synths.plain[resample][basic_format];
fr->synth_stereo = fr->synths.stereo[resample][basic_format];
fr->synth_mono = fr->af.channels==2
? fr->synths.mono2stereo[resample][basic_format] /* Mono MPEG file decoded to stereo. */
: fr->synths.mono[resample][basic_format]; /* Mono MPEG file decoded to mono. */
if(find_dectype(fr) != MPG123_OK) /* Actually determine the currently active decoder breed. */
{
fr->err = MPG123_BAD_DECODER_SETUP;
return MPG123_ERR;
}
if(frame_buffers(fr) != 0)
{
fr->err = MPG123_NO_BUFFERS;
if(NOQUIET) error("Failed to set up decoder buffers!");
return MPG123_ERR;
}
#ifndef NO_8BIT
if(basic_format == f_8)
{
if(make_conv16to8_table(fr) != 0)
{
if(NOQUIET) error("Failed to set up conv16to8 table!");
/* it's a bit more work to get proper error propagation up */
return -1;
}
}
#endif
#ifdef OPT_MMXORSSE
/* Special treatment for MMX, SSE and 3DNowExt stuff.
The real-decoding SSE for x86-64 uses normal tables! */
if(fr->cpu_opts.class == mmxsse
# ifndef NO_REAL
&& basic_format != f_real
# endif
# ifndef NO_32BIT
&& basic_format != f_32
# endif
# ifdef ACCURATE_ROUNDING
&& fr->cpu_opts.type != sse
&& fr->cpu_opts.type != sse_vintage
&& fr->cpu_opts.type != x86_64
&& fr->cpu_opts.type != neon
&& fr->cpu_opts.type != neon64
&& fr->cpu_opts.type != avx
# endif
)
{
#ifndef NO_LAYER3
init_layer3_stuff(fr, init_layer3_gainpow2_mmx);
#endif
#ifndef NO_LAYER12
init_layer12_stuff(fr, init_layer12_table_mmx);
#endif
fr->make_decode_tables = make_decode_tables_mmx;
}
else
#endif
{
#ifndef NO_LAYER3
init_layer3_stuff(fr, init_layer3_gainpow2);
#endif
#ifndef NO_LAYER12
init_layer12_stuff(fr, init_layer12_table);
#endif
fr->make_decode_tables = make_decode_tables;
}
/* We allocated the table buffers just now, so (re)create the tables. */
fr->make_decode_tables(fr);
return 0;
}
int frame_cpu_opt(mpg123_handle *fr, const char* cpu)
{
const char* chosen = ""; /* the chosen decoder opt as string */
enum optdec want_dec = nodec;
int done = 0;
int auto_choose = 0;
#ifdef OPT_DITHER
int dithered = FALSE; /* If some dithered decoder is chosen. */
#endif
want_dec = dectype(cpu);
auto_choose = want_dec == autodec;
/* Fill whole array of synth functions with generic code first. */
fr->synths = synth_base;
#ifndef OPT_MULTI
{
if(!auto_choose && want_dec != defopt)
{
if(NOQUIET) error2("you wanted decoder type %i, I only have %i", want_dec, defopt);
}
auto_choose = TRUE; /* There will be only one choice anyway. */
}
#endif
fr->cpu_opts.type = nodec;
#ifdef OPT_MULTI
#ifndef NO_LAYER3
#if (defined OPT_3DNOW_VINTAGE || defined OPT_3DNOWEXT_VINTAGE || defined OPT_SSE || defined OPT_X86_64 || defined OPT_AVX || defined OPT_NEON || defined OPT_NEON64)
fr->cpu_opts.the_dct36 = dct36;
#endif
#endif
#endif
/* covers any i386+ cpu; they actually differ only in the synth_1to1 function, mostly... */
#ifdef OPT_X86
if(cpu_i586(cpu_flags))
{
# ifdef OPT_MULTI
debug2("standard flags: 0x%08x\textended flags: 0x%08x", cpu_flags.std, cpu_flags.ext);
# endif
# ifdef OPT_SSE
if( !done && (auto_choose || want_dec == sse)
&& cpu_sse(cpu_flags) && cpu_mmx(cpu_flags) )
{
chosen = dn_sse;
fr->cpu_opts.type = sse;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
/* if(cpu_fast_sse(cpu_flags)) */ fr->cpu_opts.the_dct36 = dct36_sse;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_sse;
# ifdef ACCURATE_ROUNDING
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_sse;
# endif
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_sse;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_real_stereo_sse;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_sse;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_sse;
# endif
done = 1;
}
# endif
# ifdef OPT_SSE_VINTAGE
if( !done && (auto_choose || want_dec == sse_vintage)
&& cpu_sse(cpu_flags) && cpu_mmx(cpu_flags) )
{
chosen = dn_sse_vintage;
fr->cpu_opts.type = sse_vintage;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_sse;
# ifdef ACCURATE_ROUNDING
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_sse;
# endif
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_sse;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_real_stereo_sse;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_sse;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_sse;
# endif
done = 1;
}
# endif
# ifdef OPT_3DNOWEXT
if( !done && (auto_choose || want_dec == dreidnowext)
&& cpu_3dnow(cpu_flags)
&& cpu_3dnowext(cpu_flags)
&& cpu_mmx(cpu_flags) )
{
chosen = dn_dreidnowext;
fr->cpu_opts.type = dreidnowext;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_3dnowext;
# endif
done = 1;
}
# endif
# ifdef OPT_3DNOWEXT_VINTAGE
if( !done && (auto_choose || want_dec == dreidnowext_vintage)
&& cpu_3dnow(cpu_flags)
&& cpu_3dnowext(cpu_flags)
&& cpu_mmx(cpu_flags) )
{
chosen = dn_dreidnowext_vintage;
fr->cpu_opts.type = dreidnowext_vintage;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_3dnowext;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_3dnowext;
# endif
done = 1;
}
# endif
# ifdef OPT_3DNOW
if( !done && (auto_choose || want_dec == dreidnow)
&& cpu_3dnow(cpu_flags) && cpu_mmx(cpu_flags) )
{
chosen = dn_dreidnow;
fr->cpu_opts.type = dreidnow;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_3dnow;
# endif
done = 1;
}
# endif
# ifdef OPT_3DNOW_VINTAGE
if( !done && (auto_choose || want_dec == dreidnow_vintage)
&& cpu_3dnow(cpu_flags) && cpu_mmx(cpu_flags) )
{
chosen = dn_dreidnow_vintage;
fr->cpu_opts.type = dreidnow_vintage;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_3dnow;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_3dnow;
# endif
done = 1;
}
# endif
#ifdef OPT_MMX
if( !done && (auto_choose || want_dec == mmx)
&& cpu_mmx(cpu_flags) )
{
chosen = dn_mmx;
fr->cpu_opts.type = mmx;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_mmx;
# endif
done = 1;
}
#endif
#ifdef OPT_I586
if(!done && (auto_choose || want_dec == ifuenf))
{
chosen = "i586/pentium";
fr->cpu_opts.type = ifuenf;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_i586;
# endif
done = 1;
}
#endif
#ifdef OPT_I586_DITHER
if(!done && (auto_choose || want_dec == ifuenf_dither))
{
chosen = "dithered i586/pentium";
fr->cpu_opts.type = ifuenf_dither;
dithered = TRUE;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_i586_dither;
# ifndef NO_DOWNSAMPLE
fr->synths.plain[r_2to1][f_16] = synth_2to1_dither;
fr->synths.plain[r_4to1][f_16] = synth_4to1_dither;
# endif
# endif
done = 1;
}
#endif
}
#ifdef OPT_I486
/* That won't cooperate in multi opt mode - forcing i486 in layer3.c
But still... here it is... maybe for real use in future. */
if(!done && (auto_choose || want_dec == ivier))
{
chosen = dn_ivier;
fr->cpu_opts.type = ivier;
done = 1;
}
#endif
#ifdef OPT_I386
if(!done && (auto_choose || want_dec == idrei))
{
chosen = dn_idrei;
fr->cpu_opts.type = idrei;
done = 1;
}
#endif
if(done)
{
/*
We have chosen some x86 decoder... fillup some i386 stuff.
There is an open question about using dithered synth_1to1 for 8bit wrappers.
For quality it won't make sense, but wrapped i586_dither wrapped may still be faster...
*/
enum synth_resample ri;
enum synth_format fi;
# ifndef NO_8BIT
# ifndef NO_16BIT /* possibility to use a 16->8 wrapper... */
if(fr->synths.plain[r_1to1][f_16] != synth_base.plain[r_1to1][f_16])
{
fr->synths.plain[r_1to1][f_8] = synth_1to1_8bit_wrap;
fr->synths.mono[r_1to1][f_8] = synth_1to1_8bit_wrap_mono;
fr->synths.mono2stereo[r_1to1][f_8] = synth_1to1_8bit_wrap_m2s;
}
# endif
# endif
for(ri=0; ri<r_limit; ++ri)
for(fi=0; fi<f_limit; ++fi)
{
if(fr->synths.plain[ri][fi] == synth_base.plain[ri][fi])
fr->synths.plain[ri][fi] = plain_i386[ri][fi];
}
}
#endif /* OPT_X86 */
#ifdef OPT_AVX
if(!done && (auto_choose || want_dec == avx) && cpu_avx(cpu_flags))
{
chosen = "x86-64 (AVX)";
fr->cpu_opts.type = avx;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_avx;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_avx;
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_avx;
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_avx;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_fltst_avx;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_avx;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_avx;
# endif
done = 1;
}
#endif
#ifdef OPT_X86_64
if(!done && (auto_choose || want_dec == x86_64))
{
chosen = "x86-64 (SSE)";
fr->cpu_opts.type = x86_64;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_x86_64;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_x86_64;
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_x86_64;
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_x86_64;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_real_stereo_x86_64;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_x86_64;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_x86_64;
# endif
done = 1;
}
#endif
# ifdef OPT_ALTIVEC
if(!done && (auto_choose || want_dec == altivec))
{
chosen = dn_altivec;
fr->cpu_opts.type = altivec;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_altivec;
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_altivec;
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_altivec;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_fltst_altivec;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_altivec;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_altivec;
# endif
done = 1;
}
# endif
# ifdef OPT_NEON
if(!done && (auto_choose || want_dec == neon) && cpu_neon(cpu_flags))
{
chosen = dn_neon;
fr->cpu_opts.type = neon;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_neon;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_neon;
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_neon;
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_neon;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_real_stereo_neon;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_neon;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32_stereo_neon;
# endif
done = 1;
}
# endif
# ifdef OPT_ARM
if(!done && (auto_choose || want_dec == arm))
{
chosen = dn_arm;
fr->cpu_opts.type = arm;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_arm;
# endif
done = 1;
}
# endif
# ifdef OPT_NEON64
if(!done && (auto_choose || want_dec == neon64) && cpu_neon(cpu_flags))
{
chosen = dn_neon64;
fr->cpu_opts.type = neon64;
#ifdef OPT_MULTI
# ifndef NO_LAYER3
fr->cpu_opts.the_dct36 = dct36_neon64;
# endif
#endif
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_neon64;
fr->synths.stereo[r_1to1][f_16] = synth_1to1_stereo_neon64;
# endif
# ifndef NO_REAL
fr->synths.plain[r_1to1][f_real] = synth_1to1_real_neon64;
fr->synths.stereo[r_1to1][f_real] = synth_1to1_fltst_neon64;
# endif
# ifndef NO_32BIT
fr->synths.plain[r_1to1][f_32] = synth_1to1_s32_neon64;
fr->synths.stereo[r_1to1][f_32] = synth_1to1_s32st_neon64;
# endif
done = 1;
}
# endif
# ifdef OPT_GENERIC
if(!done && (auto_choose || want_dec == generic))
{
chosen = dn_generic;
fr->cpu_opts.type = generic;
done = 1;
}
# endif
#ifdef OPT_GENERIC_DITHER
if(!done && (auto_choose || want_dec == generic_dither))
{
chosen = "dithered generic";
fr->cpu_opts.type = generic_dither;
dithered = TRUE;
# ifndef NO_16BIT
fr->synths.plain[r_1to1][f_16] = synth_1to1_dither;
# ifndef NO_DOWNSAMPLE
fr->synths.plain[r_2to1][f_16] = synth_2to1_dither;
fr->synths.plain[r_4to1][f_16] = synth_4to1_dither;
# endif
# endif
done = 1;
}
#endif
fr->cpu_opts.class = decclass(fr->cpu_opts.type);
# ifndef NO_8BIT
# ifndef NO_16BIT /* possibility to use a 16->8 wrapper... */
/* Last chance to use some optimized routine via generic wrappers (for 8bit). */
if( fr->cpu_opts.type != ifuenf_dither
&& fr->cpu_opts.type != generic_dither
&& fr->synths.plain[r_1to1][f_16] != synth_base.plain[r_1to1][f_16] )
{
fr->synths.plain[r_1to1][f_8] = synth_1to1_8bit_wrap;
fr->synths.mono[r_1to1][f_8] = synth_1to1_8bit_wrap_mono;
fr->synths.mono2stereo[r_1to1][f_8] = synth_1to1_8bit_wrap_m2s;
}
# endif
# endif
#ifdef OPT_DITHER
if(done && dithered)
{
/* run-time dither noise table generation */
if(!frame_dither_init(fr))
{
if(NOQUIET) error("Dither noise setup failed!");
return 0;
}
}
#endif
if(done)
{
if(VERBOSE) fprintf(stderr, "Decoder: %s\n", chosen);
return 1;
}
else
{
if(NOQUIET) error("Could not set optimization!");
return 0;
}
}
enum optdec dectype(const char* decoder)
{
enum optdec dt;
if( (decoder == NULL)
|| (decoder[0] == 0) )
return autodec;
for(dt=autodec; dt<nodec; ++dt)
if(!strcasecmp(decoder, decname[dt])) return dt;
return nodec; /* If we found nothing... */
}
#ifdef OPT_MULTI
/* same number of entries as full list, but empty at beginning */
static const char *mpg123_supported_decoder_list[] =
{
#ifdef OPT_SSE
NULL,
#endif
#ifdef OPT_SSE_VINTAGE
NULL,
#endif
#ifdef OPT_3DNOWEXT
NULL,
#endif
#ifdef OPT_3DNOWEXT_VINTAGE
NULL,
#endif
#ifdef OPT_3DNOW
NULL,
#endif
#ifdef OPT_3DNOW_VINTAGE
NULL,
#endif
#ifdef OPT_MMX
NULL,
#endif
#ifdef OPT_I586
NULL,
#endif
#ifdef OPT_I586_DITHER
NULL,
#endif
#ifdef OPT_I486
NULL,
#endif
#ifdef OPT_I386
NULL,
#endif
#ifdef OPT_ALTIVEC
NULL,
#endif
#ifdef OPT_AVX
NULL,
#endif
#ifdef OPT_X86_64
NULL,
#endif
#ifdef OPT_ARM
NULL,
#endif
#ifdef OPT_NEON
NULL,
#endif
#ifdef OPT_NEON64
NULL,
#endif
#ifdef OPT_GENERIC_FLOAT
NULL,
#endif
# ifdef OPT_GENERIC
NULL,
# endif
# ifdef OPT_GENERIC_DITHER
NULL,
# endif
NULL
};
#endif
static const char *mpg123_decoder_list[] =
{
#ifdef OPT_SSE
dn_sse,
#endif
#ifdef OPT_SSE_VINTAGE
dn_sse_vintage,
#endif
#ifdef OPT_3DNOWEXT
dn_dreidnowext,
#endif
#ifdef OPT_3DNOWEXT_VINTAGE
dn_dreidnowext_vintage,
#endif
#ifdef OPT_3DNOW
dn_dreidnow,
#endif
#ifdef OPT_3DNOW_VINTAGE
dn_dreidnow_vintage,
#endif
#ifdef OPT_MMX
dn_mmx,
#endif
#ifdef OPT_I586
dn_ifuenf,
#endif
#ifdef OPT_I586_DITHER
dn_ifuenf_dither,
#endif
#ifdef OPT_I486
dn_ivier,
#endif
#ifdef OPT_I386
dn_idrei,
#endif
#ifdef OPT_ALTIVEC
dn_altivec,
#endif
#ifdef OPT_AVX
dn_avx,
#endif
#ifdef OPT_X86_64
dn_x86_64,
#endif
#ifdef OPT_ARM
dn_arm,
#endif
#ifdef OPT_NEON
dn_neon,
#endif
#ifdef OPT_NEON64
dn_neon64,
#endif
#ifdef OPT_GENERIC
dn_generic,
#endif
#ifdef OPT_GENERIC_DITHER
dn_generic_dither,
#endif
NULL
};
void check_decoders(void )
{
#ifndef OPT_MULTI
/* In non-multi mode, only the full list (one entry) is used. */
return;
#else
const char **d = mpg123_supported_decoder_list;
#if (defined OPT_X86) || (defined OPT_X86_64) || (defined OPT_NEON) || (defined OPT_NEON64)
getcpuflags(&cpu_flags);
#endif
#ifdef OPT_X86
if(cpu_i586(cpu_flags))
{
/* not yet: if(cpu_sse2(cpu_flags)) printf(" SSE2");
if(cpu_sse3(cpu_flags)) printf(" SSE3"); */
#ifdef OPT_SSE
if(cpu_sse(cpu_flags)) *(d++) = dn_sse;
#endif
#ifdef OPT_SSE_VINTAGE
if(cpu_sse(cpu_flags)) *(d++) = dn_sse_vintage;
#endif
#ifdef OPT_3DNOWEXT
if(cpu_3dnowext(cpu_flags)) *(d++) = dn_dreidnowext;
#endif
#ifdef OPT_3DNOWEXT_VINTAGE
if(cpu_3dnowext(cpu_flags)) *(d++) = dn_dreidnowext_vintage;
#endif
#ifdef OPT_3DNOW
if(cpu_3dnow(cpu_flags)) *(d++) = dn_dreidnow;
#endif
#ifdef OPT_3DNOW_VINTAGE
if(cpu_3dnow(cpu_flags)) *(d++) = dn_dreidnow_vintage;
#endif
#ifdef OPT_MMX
if(cpu_mmx(cpu_flags)) *(d++) = dn_mmx;
#endif
#ifdef OPT_I586
*(d++) = dn_ifuenf;
#endif
#ifdef OPT_I586_DITHER
*(d++) = dn_ifuenf_dither;
#endif
}
#endif
/* just assume that the i486 built is run on a i486 cpu... */
#ifdef OPT_I486
*(d++) = dn_ivier;
#endif
#ifdef OPT_ALTIVEC
*(d++) = dn_altivec;
#endif
/* every supported x86 can do i386, any cpu can do generic */
#ifdef OPT_I386
*(d++) = dn_idrei;
#endif
#ifdef OPT_AVX
if(cpu_avx(cpu_flags)) *(d++) = dn_avx;
#endif
#ifdef OPT_X86_64
*(d++) = dn_x86_64;
#endif
#ifdef OPT_ARM
*(d++) = dn_arm;
#endif
#ifdef OPT_NEON
if(cpu_neon(cpu_flags)) *(d++) = dn_neon;
#endif
#ifdef OPT_NEON64
if(cpu_neon(cpu_flags)) *(d++) = dn_neon64;
#endif
#ifdef OPT_GENERIC
*(d++) = dn_generic;
#endif
#ifdef OPT_GENERIC_DITHER
*(d++) = dn_generic_dither;
#endif
#endif /* ndef OPT_MULTI */
}
const char* attribute_align_arg mpg123_current_decoder(mpg123_handle *mh)
{
if(mh == NULL) return NULL;
return decname[mh->cpu_opts.type];
}
const char attribute_align_arg **mpg123_decoders(void){ return mpg123_decoder_list; }
const char attribute_align_arg **mpg123_supported_decoders(void)
{
#ifdef OPT_MULTI
return mpg123_supported_decoder_list;
#else
return mpg123_decoder_list;
#endif
}
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