965 lines
24 KiB
C
965 lines
24 KiB
C
/*
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optimize: get a grip on the different optimizations
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copyright 2006-9 by the mpg123 project - free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http://mpg123.org
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initially written by Thomas Orgis, inspired by 3DNow stuff in mpg123.[hc]
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Currently, this file contains the struct and function to choose an optimization variant and works only when OPT_MULTI is in effect.
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*/
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#include "mpg123lib_intern.h" /* includes optimize.h */
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#include "debug.h"
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/* Must match the enum dectype! */
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/*
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It SUCKS having to define these names that way, but compile-time intialization of string arrays is a bitch.
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GCC doesn't see constant stuff when it's wiggling in front of it!
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Anyhow: Have a script for that:
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names="generic generic_dither i386 i486 i586 i586_dither MMX 3DNow 3DNowExt AltiVec SSE x86-64"
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for i in $names; do echo "##define dn_${i/-/_} \"$i\""; done
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echo -n "static const char* decname[] =
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{
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\"auto\"
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"
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for i in $names; do echo -n ", dn_${i/-/_}"; done
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echo "
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, \"nodec\"
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};"
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*/
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#define dn_generic "generic"
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#define dn_generic_dither "generic_dither"
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#define dn_i386 "i386"
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#define dn_i486 "i486"
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#define dn_i586 "i586"
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#define dn_i586_dither "i586_dither"
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#define dn_MMX "MMX"
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#define dn_3DNow "3DNow"
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#define dn_3DNowExt "3DNowExt"
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#define dn_AltiVec "AltiVec"
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#define dn_SSE "SSE"
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#define dn_x86_64 "x86-64"
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#define dn_ARM "ARM"
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#define dn_NEON "NEON"
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static const char* decname[] =
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{
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"auto"
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, dn_generic, dn_generic_dither, dn_i386, dn_i486, dn_i586, dn_i586_dither, dn_MMX, dn_3DNow, dn_3DNowExt, dn_AltiVec, dn_SSE, dn_x86_64, dn_ARM, dn_NEON
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, "nodec"
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};
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#if (defined OPT_X86) && (defined OPT_MULTI)
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#include "getcpuflags.h"
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static struct cpuflags cpu_flags;
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#else
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/* Faking stuff for non-multi builds. The same code for synth function choice is used.
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Just no runtime dependency of result... */
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#define cpu_flags nothing
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#define cpu_i586(s) 1
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#define cpu_fpu(s) 1
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#define cpu_mmx(s) 1
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#define cpu_3dnow(s) 1
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#define cpu_3dnowext(s) 1
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#define cpu_sse(s) 1
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#define cpu_sse2(s) 1
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#define cpu_sse3(s) 1
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#endif
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/* Ugly macros to build conditional synth function array values. */
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#ifndef NO_8BIT
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#define IF8(synth) synth,
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#else
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#define IF8(synth)
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#endif
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#ifndef NO_REAL
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#define IFREAL(synth) synth,
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#else
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#define IFREAL(synth)
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#endif
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#ifndef NO_32BIT
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#define IF32(synth) synth
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#else
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#define IF32(synth)
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#endif
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#ifndef NO_16BIT
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# define OUT_SYNTHS(synth_16, synth_8, synth_real, synth_32) { synth_16, IF8(synth_8) IFREAL(synth_real) IF32(synth_32) }
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#else
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# define OUT_SYNTHS(synth_16, synth_8, synth_real, synth_32) { IF8(synth_8) IFREAL(synth_real) IF32(synth_32) }
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#endif
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/* The call of left and right plain synth, wrapped.
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This may be replaced by a direct stereo optimized synth. */
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static int synth_stereo_wrap(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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int clip;
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clip = (fr->synth)(bandPtr_l, 0, fr, 0);
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clip += (fr->synth)(bandPtr_r, 1, fr, 1);
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return clip;
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}
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static const struct synth_s synth_base =
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{
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{ /* plain */
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OUT_SYNTHS(synth_1to1, synth_1to1_8bit, synth_1to1_real, synth_1to1_s32)
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# ifndef NO_DOWNSAMPLE
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,OUT_SYNTHS(synth_2to1, synth_2to1_8bit, synth_2to1_real, synth_2to1_s32)
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,OUT_SYNTHS(synth_4to1, synth_4to1_8bit, synth_4to1_real, synth_4to1_s32)
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# endif
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# ifndef NO_NTOM
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,OUT_SYNTHS(synth_ntom, synth_ntom_8bit, synth_ntom_real, synth_ntom_s32)
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# endif
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},
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{ /* stereo, by default only wrappers over plain synth */
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OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
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# ifndef NO_DOWNSAMPLE
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,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
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,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
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# endif
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# ifndef NO_NTOM
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,OUT_SYNTHS(synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap, synth_stereo_wrap)
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# endif
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},
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{ /* mono2stereo */
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OUT_SYNTHS(synth_1to1_m2s, synth_1to1_8bit_m2s, synth_1to1_real_m2s, synth_1to1_s32_m2s)
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# ifndef NO_DOWNSAMPLE
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,OUT_SYNTHS(synth_2to1_m2s, synth_2to1_8bit_m2s, synth_2to1_real_m2s, synth_2to1_s32_m2s)
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,OUT_SYNTHS(synth_4to1_m2s, synth_4to1_8bit_m2s, synth_4to1_real_m2s, synth_4to1_s32_m2s)
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# endif
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# ifndef NO_NTOM
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,OUT_SYNTHS(synth_ntom_m2s, synth_ntom_8bit_m2s, synth_ntom_real_m2s, synth_ntom_s32_m2s)
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# endif
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},
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{ /* mono*/
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OUT_SYNTHS(synth_1to1_mono, synth_1to1_8bit_mono, synth_1to1_real_mono, synth_1to1_s32_mono)
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# ifndef NO_DOWNSAMPLE
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,OUT_SYNTHS(synth_2to1_mono, synth_2to1_8bit_mono, synth_2to1_real_mono, synth_2to1_s32_mono)
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,OUT_SYNTHS(synth_4to1_mono, synth_4to1_8bit_mono, synth_4to1_real_mono, synth_4to1_s32_mono)
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# endif
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# ifndef NO_NTOM
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,OUT_SYNTHS(synth_ntom_mono, synth_ntom_8bit_mono, synth_ntom_real_mono, synth_ntom_s32_mono)
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#endif
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}
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};
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#ifdef OPT_X86
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/* More plain synths for i386 */
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const func_synth plain_i386[r_limit][f_limit] =
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{ /* plain */
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OUT_SYNTHS(synth_1to1_i386, synth_1to1_8bit_i386, synth_1to1_real_i386, synth_1to1_s32_i386)
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# ifndef NO_DOWNSAMPLE
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,OUT_SYNTHS(synth_2to1_i386, synth_2to1_8bit_i386, synth_2to1_real_i386, synth_2to1_s32_i386)
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,OUT_SYNTHS(synth_4to1_i386, synth_4to1_8bit_i386, synth_4to1_real_i386, synth_4to1_s32_i386)
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# endif
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# ifndef NO_NTOM
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,OUT_SYNTHS(synth_ntom, synth_ntom_8bit, synth_ntom_real, synth_ntom_s32)
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# endif
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};
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#endif
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enum optdec defdec(void){ return defopt; }
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enum optcla decclass(const enum optdec type)
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{
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return (type == mmx || type == sse || type == dreidnowext || type == x86_64 || type == neon) ? mmxsse : normal;
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}
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static int find_synth(func_synth synth, const func_synth synths[r_limit][f_limit])
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{
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enum synth_resample ri;
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enum synth_format fi;
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for(ri=0; ri<r_limit; ++ri)
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for(fi=0; fi<f_limit; ++fi)
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if(synth == synths[ri][fi])
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return TRUE;
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return FALSE;
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}
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/* Determine what kind of decoder is actually active
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This depends on runtime choices which may cause fallback to i386 or generic code. */
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static int find_dectype(mpg123_handle *fr)
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{
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enum optdec type = nodec;
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/* Direct and indirect usage, 1to1 stereo decoding.
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Concentrating on the plain stereo synth should be fine, mono stuff is derived. */
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func_synth basic_synth = fr->synth;
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#ifndef NO_8BIT
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#ifndef NO_16BIT
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if(basic_synth == synth_1to1_8bit_wrap)
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basic_synth = fr->synths.plain[r_1to1][f_16]; /* That is what's really below the surface. */
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#endif
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#endif
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if(FALSE) ; /* Just to initialize the else if ladder. */
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#ifndef NO_16BIT
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#ifdef OPT_3DNOWEXT
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else if(basic_synth == synth_1to1_3dnowext) type = dreidnowext;
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#endif
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#ifdef OPT_SSE
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else if(basic_synth == synth_1to1_sse) type = sse;
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#endif
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#ifdef OPT_3DNOW
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else if(basic_synth == synth_1to1_3dnow) type = dreidnow;
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#endif
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#ifdef OPT_MMX
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else if(basic_synth == synth_1to1_mmx) type = mmx;
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#endif
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#ifdef OPT_I586_DITHER
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else if(basic_synth == synth_1to1_i586_dither) type = ifuenf_dither;
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#endif
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#ifdef OPT_I586
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else if(basic_synth == synth_1to1_i586) type = ifuenf;
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#endif
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#ifdef OPT_ALTIVEC
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else if(basic_synth == synth_1to1_altivec) type = altivec;
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#endif
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#ifdef OPT_X86_64
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else if(basic_synth == synth_1to1_x86_64) type = x86_64;
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#endif
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#ifdef OPT_ARM
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else if(basic_synth == synth_1to1_arm) type = arm;
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#endif
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#ifdef OPT_NEON
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else if(basic_synth == synth_1to1_neon) type = neon;
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#endif
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#ifdef OPT_GENERIC_DITHER
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else if(basic_synth == synth_1to1_dither) type = generic_dither;
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#endif
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#ifdef OPT_DITHER /* either i586 or generic! */
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#ifndef NO_DOWNSAMPLE
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else if
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(
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basic_synth == synth_2to1_dither
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|| basic_synth == synth_4to1_dither
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) type = generic_dither;
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#endif
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#endif
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#endif /* 16bit */
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#ifndef NO_REAL
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#ifdef OPT_SSE
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else if(basic_synth == synth_1to1_real_sse) type = sse;
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#endif
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#ifdef OPT_X86_64
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else if(basic_synth == synth_1to1_real_x86_64) type = x86_64;
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#endif
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#ifdef OPT_ALTIVEC
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else if(basic_synth == synth_1to1_real_altivec) type = altivec;
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#endif
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#ifdef OPT_NEON
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else if(basic_synth == synth_1to1_real_neon) type = neon;
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#endif
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#endif /* real */
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#ifndef NO_32BIT
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#ifdef OPT_SSE
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else if(basic_synth == synth_1to1_s32_sse) type = sse;
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#endif
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#ifdef OPT_X86_64
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else if(basic_synth == synth_1to1_s32_x86_64) type = x86_64;
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#endif
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#ifdef OPT_ALTIVEC
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else if(basic_synth == synth_1to1_s32_altivec) type = altivec;
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#endif
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#ifdef OPT_NEON
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else if(basic_synth == synth_1to1_s32_neon) type = neon;
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#endif
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#endif /* 32bit */
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#ifdef OPT_X86
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else if(find_synth(basic_synth, plain_i386))
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type = idrei;
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#endif
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else if(find_synth(basic_synth, synth_base.plain))
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type = generic;
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#ifdef OPT_I486
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/* i486 is special ... the specific code is in use for 16bit 1to1 stereo
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otherwise we have i386 active... but still, the distinction doesn't matter*/
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type = ivier;
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#endif
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if(type != nodec)
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{
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fr->cpu_opts.type = type;
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fr->cpu_opts.class = decclass(type);
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debug3("determined active decoder type %i (%s) of class %i", type, decname[type], fr->cpu_opts.class);
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return MPG123_OK;
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}
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else
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{
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if(NOQUIET) error("Unable to determine active decoder type -- this is SERIOUS b0rkage!");
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fr->err = MPG123_BAD_DECODER_SETUP;
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return MPG123_ERR;
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}
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}
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/* set synth functions for current frame, optimizations handled by opt_* macros */
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int set_synth_functions(mpg123_handle *fr)
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{
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enum synth_resample resample = r_none;
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enum synth_format basic_format = f_none; /* Default is always 16bit, or whatever. */
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/* Select the basic output format, different from 16bit: 8bit, real. */
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if(FALSE){}
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#ifndef NO_16BIT
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else if(fr->af.encoding & MPG123_ENC_16)
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basic_format = f_16;
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#endif
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#ifndef NO_8BIT
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else if(fr->af.encoding & MPG123_ENC_8)
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basic_format = f_8;
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#endif
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#ifndef NO_REAL
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else if(fr->af.encoding & MPG123_ENC_FLOAT)
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basic_format = f_real;
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#endif
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#ifndef NO_32BIT
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/* 24 bit integer means decoding to 32 bit first. */
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else if(fr->af.encoding & MPG123_ENC_32 || fr->af.encoding & MPG123_ENC_24)
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basic_format = f_32;
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#endif
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/* Make sure the chosen format is compiled into this lib. */
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if(basic_format == f_none)
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{
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if(NOQUIET) error("set_synth_functions: This output format is disabled in this build!");
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return -1;
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}
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/* Be explicit about downsampling variant. */
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switch(fr->down_sample)
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{
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case 0: resample = r_1to1; break;
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#ifndef NO_DOWNSAMPLE
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case 1: resample = r_2to1; break;
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case 2: resample = r_4to1; break;
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#endif
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#ifndef NO_NTOM
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case 3: resample = r_ntom; break;
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#endif
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}
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if(resample == r_none)
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{
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if(NOQUIET) error("set_synth_functions: This resampling mode is not supported in this build!");
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return -1;
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}
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debug2("selecting synth: resample=%i format=%i", resample, basic_format);
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/* Finally selecting the synth functions for stereo / mono. */
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fr->synth = fr->synths.plain[resample][basic_format];
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fr->synth_stereo = fr->synths.stereo[resample][basic_format];
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fr->synth_mono = fr->af.channels==2
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? fr->synths.mono2stereo[resample][basic_format] /* Mono MPEG file decoded to stereo. */
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: fr->synths.mono[resample][basic_format]; /* Mono MPEG file decoded to mono. */
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if(find_dectype(fr) != MPG123_OK) /* Actually determine the currently active decoder breed. */
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{
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fr->err = MPG123_BAD_DECODER_SETUP;
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return MPG123_ERR;
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}
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if(frame_buffers(fr) != 0)
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{
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fr->err = MPG123_NO_BUFFERS;
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if(NOQUIET) error("Failed to set up decoder buffers!");
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return MPG123_ERR;
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}
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#ifndef NO_8BIT
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if(basic_format == f_8)
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{
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if(make_conv16to8_table(fr) != 0)
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{
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if(NOQUIET) error("Failed to set up conv16to8 table!");
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/* it's a bit more work to get proper error propagation up */
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return -1;
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}
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}
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#endif
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#ifdef OPT_MMXORSSE
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/* Special treatment for MMX, SSE and 3DNowExt stuff.
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The real-decoding SSE for x86-64 uses normal tables! */
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if(fr->cpu_opts.class == mmxsse
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# ifndef NO_REAL
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&& basic_format != f_real
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# endif
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# ifndef NO_32BIT
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&& basic_format != f_32
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# endif
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# ifdef ACCURATE_ROUNDING
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&& fr->cpu_opts.type != sse
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&& fr->cpu_opts.type != x86_64
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&& fr->cpu_opts.type != neon
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# endif
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)
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{
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#ifndef NO_LAYER3
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init_layer3_stuff(fr, init_layer3_gainpow2_mmx);
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#endif
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#ifndef NO_LAYER12
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init_layer12_stuff(fr, init_layer12_table_mmx);
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#endif
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fr->make_decode_tables = make_decode_tables_mmx;
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}
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else
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#endif
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{
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#ifndef NO_LAYER3
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init_layer3_stuff(fr, init_layer3_gainpow2);
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#endif
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#ifndef NO_LAYER12
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init_layer12_stuff(fr, init_layer12_table);
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#endif
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fr->make_decode_tables = make_decode_tables;
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}
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/* We allocated the table buffers just now, so (re)create the tables. */
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fr->make_decode_tables(fr);
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return 0;
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}
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int frame_cpu_opt(mpg123_handle *fr, const char* cpu)
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{
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const char* chosen = ""; /* the chosen decoder opt as string */
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enum optdec want_dec = nodec;
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int done = 0;
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int auto_choose = 0;
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#ifdef OPT_DITHER
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int dithered = FALSE; /* If some dithered decoder is chosen. */
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#endif
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want_dec = dectype(cpu);
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|
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;
|
|
/* covers any i386+ cpu; they actually differ only in the synth_1to1 function, mostly... */
|
|
#ifdef OPT_X86
|
|
|
|
#ifdef OPT_MULTI
|
|
#ifndef NO_LAYER3
|
|
#if (defined OPT_3DNOW || defined OPT_3DNOWEXT)
|
|
fr->cpu_opts.the_dct36 = dct36;
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
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 = "SSE";
|
|
fr->cpu_opts.type = sse;
|
|
# 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 = "3DNowExt";
|
|
fr->cpu_opts.type = dreidnowext;
|
|
#ifdef OPT_MULTI
|
|
# ifndef NO_LAYER3
|
|
/* The DCT36 is _bad_, at least compared to gcc 4.4-built C code. */
|
|
/* 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 = "3DNow";
|
|
fr->cpu_opts.type = dreidnow;
|
|
#ifdef OPT_MULTI
|
|
# ifndef NO_LAYER3
|
|
/* The DCT36 is _bad_, at least compared to gcc 4.4-built C code. */
|
|
/* 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 = "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 = "i486";
|
|
fr->cpu_opts.type = ivier;
|
|
done = 1;
|
|
}
|
|
#endif
|
|
#ifdef OPT_I386
|
|
if(!done && (auto_choose || want_dec == idrei))
|
|
{
|
|
chosen = "i386";
|
|
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_X86_64
|
|
if(!done && (auto_choose || want_dec == x86_64))
|
|
{
|
|
chosen = "x86-64 (SSE)";
|
|
fr->cpu_opts.type = x86_64;
|
|
# 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_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
|
|
|
|
# ifdef OPT_ALTIVEC
|
|
if(!done && (auto_choose || want_dec == altivec))
|
|
{
|
|
chosen = "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_real_stereo_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))
|
|
{
|
|
chosen = "NEON";
|
|
fr->cpu_opts.type = neon;
|
|
# 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 = "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_GENERIC
|
|
if(!done && (auto_choose || want_dec == generic))
|
|
{
|
|
chosen = "generic";
|
|
fr->cpu_opts.type = generic;
|
|
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_3DNOWEXT
|
|
NULL,
|
|
#endif
|
|
#ifdef OPT_3DNOW
|
|
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_X86_64
|
|
NULL,
|
|
#endif
|
|
#ifdef OPT_ARM
|
|
NULL,
|
|
#endif
|
|
#ifdef OPT_NEON
|
|
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_3DNOWEXT
|
|
dn_3DNowExt,
|
|
#endif
|
|
#ifdef OPT_3DNOW
|
|
dn_3DNow,
|
|
#endif
|
|
#ifdef OPT_MMX
|
|
dn_MMX,
|
|
#endif
|
|
#ifdef OPT_I586
|
|
dn_i586,
|
|
#endif
|
|
#ifdef OPT_I586_DITHER
|
|
dn_i586_dither,
|
|
#endif
|
|
#ifdef OPT_I486
|
|
dn_i486,
|
|
#endif
|
|
#ifdef OPT_I386
|
|
dn_i386,
|
|
#endif
|
|
#ifdef OPT_ALTIVEC
|
|
dn_AltiVec,
|
|
#endif
|
|
#ifdef OPT_X86_64
|
|
dn_x86_64,
|
|
#endif
|
|
#ifdef OPT_ARM
|
|
dn_ARM,
|
|
#endif
|
|
#ifdef OPT_NEON
|
|
dn_NEON,
|
|
#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;
|
|
#ifdef OPT_X86
|
|
getcpuflags(&cpu_flags);
|
|
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++) = decname[sse];
|
|
#endif
|
|
#ifdef OPT_3DNOWEXT
|
|
if(cpu_3dnowext(cpu_flags)) *(d++) = decname[dreidnowext];
|
|
#endif
|
|
#ifdef OPT_3DNOW
|
|
if(cpu_3dnow(cpu_flags)) *(d++) = decname[dreidnow];
|
|
#endif
|
|
#ifdef OPT_MMX
|
|
if(cpu_mmx(cpu_flags)) *(d++) = decname[mmx];
|
|
#endif
|
|
#ifdef OPT_I586
|
|
*(d++) = decname[ifuenf];
|
|
#endif
|
|
#ifdef OPT_I586_DITHER
|
|
*(d++) = decname[ifuenf_dither];
|
|
#endif
|
|
}
|
|
#endif
|
|
/* just assume that the i486 built is run on a i486 cpu... */
|
|
#ifdef OPT_I486
|
|
*(d++) = decname[ivier];
|
|
#endif
|
|
#ifdef OPT_ALTIVEC
|
|
*(d++) = decname[altivec];
|
|
#endif
|
|
/* every supported x86 can do i386, any cpu can do generic */
|
|
#ifdef OPT_I386
|
|
*(d++) = decname[idrei];
|
|
#endif
|
|
#ifdef OPT_X86_64
|
|
*(d++) = decname[x86_64];
|
|
#endif
|
|
#ifdef OPT_ARM
|
|
*(d++) = decname[arm];
|
|
#endif
|
|
#ifdef OPT_NEON
|
|
*(d++) = decname[neon];
|
|
#endif
|
|
#ifdef OPT_GENERIC
|
|
*(d++) = decname[generic];
|
|
#endif
|
|
#ifdef OPT_GENERIC_DITHER
|
|
*(d++) = decname[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];
|
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}
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|
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const char attribute_align_arg **mpg123_decoders(void){ return mpg123_decoder_list; }
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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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