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Commit a257811b authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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cpu: do not define capabilities on platforms that do not have them 

Also update avcodec encoder and switcher x86 checks.
parent c9be56de
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Showing with 100 additions and 115 deletions
include/vlc_cpu.h
View file @ a257811b
......@@ -20,13 +20,16 @@
/**
* \file
* This file provides CPU-specific optimization flags.
* This file provides CPU features detection.
*/
#ifndef VLC_CPU_H
# define VLC_CPU_H 1
VLC_API unsigned vlc_CPU(void);
# if defined (__i386__) || defined (__x86_64__)
# define HAVE_FPU 1
# define CPU_CAPABILITY_MMX (1<<3)
# define CPU_CAPABILITY_3DNOW (1<<4)
# define CPU_CAPABILITY_MMXEXT (1<<5)
......@@ -54,41 +57,9 @@
# define VLC_SSE VLC_SSE_is_not_implemented_on_this_compiler
# endif
# else
# define CPU_CAPABILITY_MMX (0)
# define CPU_CAPABILITY_3DNOW (0)
# define CPU_CAPABILITY_MMXEXT (0)
# define CPU_CAPABILITY_SSE (0)
# define CPU_CAPABILITY_SSE2 (0)
# define CPU_CAPABILITY_SSE3 (0)
# define CPU_CAPABILITY_SSSE3 (0)
# define CPU_CAPABILITY_SSE4_1 (0)
# define CPU_CAPABILITY_SSE4_2 (0)
# define CPU_CAPABILITY_SSE4A (0)
# endif
# if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
# define CPU_CAPABILITY_ALTIVEC (1<<16)
# else
# define CPU_CAPABILITY_ALTIVEC (0)
# endif
# if defined (__arm__)
# define CPU_CAPABILITY_NEON (1<<24)
# else
# define CPU_CAPABILITY_NEON (0)
# endif
VLC_API unsigned vlc_CPU( void );
/** Are floating point operations fast?
* If this bit is not set, you should try to use fixed-point instead.
*/
# if defined (__i386__) || defined (__x86_64__)
# define HAVE_FPU 1
# elif defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__)
# elif defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
# define HAVE_FPU 1
# define CPU_CAPABILITY_ALTIVEC (1<<16)
# elif defined (__arm__)
# if defined (__VFP_FP__) && !defined (__SOFTFP__)
......@@ -96,14 +67,19 @@ VLC_API unsigned vlc_CPU( void );
# else
# define HAVE_FPU 0
# endif
# define CPU_CAPABILITY_NEON (1<<24)
# elif defined (__sparc__)
# define HAVE_FPU 1
# else
/**
* Are single precision floating point operations "fast"?
* If this preprocessor constant is zero, floating point should be avoided
* (especially relevant for audio codecs).
*/
# define HAVE_FPU 0
# endif
#endif /* !VLC_CPU_H */
modules/codec/avcodec/avcodec.c
View file @ a257811b
......@@ -329,43 +329,35 @@ static int OpenDecoder( vlc_object_t *p_this )
p_context->opaque = (void *)p_this;
/* Set CPU capabilities */
unsigned i_cpu = vlc_CPU();
p_context->dsp_mask = 0;
#if defined (__i386__) || defined (__x86_64__)
unsigned i_cpu = vlc_CPU();
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
p_context->dsp_mask |= AV_CPU_FLAG_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
p_context->dsp_mask |= AV_CPU_FLAG_MMX2;
}
if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
{
p_context->dsp_mask |= AV_CPU_FLAG_3DNOW;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
p_context->dsp_mask |= AV_CPU_FLAG_SSE;
}
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
{
p_context->dsp_mask |= AV_CPU_FLAG_SSE2;
}
#ifdef AV_CPU_FLAG_SSE3
# ifdef AV_CPU_FLAG_SSE3
if( !(i_cpu & CPU_CAPABILITY_SSE3) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE3;
#endif
#ifdef AV_CPU_FLAG_SSSE3
# endif
# ifdef AV_CPU_FLAG_SSSE3
if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
p_context->dsp_mask |= AV_CPU_FLAG_SSSE3;
#endif
#ifdef AV_CPU_FLAG_SSE4
# endif
# ifdef AV_CPU_FLAG_SSE4
if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE4;
#endif
#ifdef AV_CPU_FLAG_SSE42
# endif
# ifdef AV_CPU_FLAG_SSE42
if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE42;
# endif
#endif
p_dec->b_need_packetized = true;
......
modules/codec/avcodec/encoder.c
View file @ a257811b
......@@ -323,25 +323,36 @@ int OpenEncoder( vlc_object_t *p_this )
p_context->opaque = (void *)p_this;
/* Set CPU capabilities */
unsigned i_cpu = vlc_CPU();
p_context->dsp_mask = 0;
#if defined (__i386__) || defined (__x86_64__)
unsigned i_cpu = vlc_CPU();
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
p_context->dsp_mask |= AV_CPU_FLAG_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
p_context->dsp_mask |= AV_CPU_FLAG_MMX2;
}
if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
{
p_context->dsp_mask |= AV_CPU_FLAG_3DNOW;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
p_context->dsp_mask |= AV_CPU_FLAG_SSE;
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE2;
}
# ifdef AV_CPU_FLAG_SSE3
if( !(i_cpu & CPU_CAPABILITY_SSE3) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE3;
# endif
# ifdef AV_CPU_FLAG_SSSE3
if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
p_context->dsp_mask |= AV_CPU_FLAG_SSSE3;
# endif
# ifdef AV_CPU_FLAG_SSE4
if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE4;
# endif
# ifdef AV_CPU_FLAG_SSE42
if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
p_context->dsp_mask |= AV_CPU_FLAG_SSE42;
# endif
#endif
p_sys->i_key_int = var_GetInteger( p_enc, ENC_CFG_PREFIX "keyint" );
p_sys->i_b_frames = var_GetInteger( p_enc, ENC_CFG_PREFIX "bframes" );
......
modules/codec/libmpeg2.c
View file @ a257811b
......@@ -192,35 +192,27 @@ static int OpenDecoder( vlc_object_t *p_this )
p_sys->i_gop_user_data = 0;
#if defined( __i386__ ) || defined( __x86_64__ )
if( vlc_CPU() & CPU_CAPABILITY_MMX )
{
unsigned cpu = vlc_CPU();
if( cpu & CPU_CAPABILITY_MMX )
i_accel |= MPEG2_ACCEL_X86_MMX;
}
if( vlc_CPU() & CPU_CAPABILITY_3DNOW )
{
if( cpu & CPU_CAPABILITY_3DNOW )
i_accel |= MPEG2_ACCEL_X86_3DNOW;
}
if( vlc_CPU() & CPU_CAPABILITY_MMXEXT )
{
if( cpu & CPU_CAPABILITY_MMXEXT )
i_accel |= MPEG2_ACCEL_X86_MMXEXT;
}
#elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
if( vlc_CPU() & CPU_CAPABILITY_ALTIVEC )
{
i_accel |= MPEG2_ACCEL_PPC_ALTIVEC;
}
#elif defined(__arm__) && defined(MPEG2_ACCEL_ARM)
#elif defined(__arm__)
# ifdef MPEG2_ACCEL_ARM
i_accel |= MPEG2_ACCEL_ARM;
# endif
# ifdef MPEG2_ACCEL_ARM_NEON
if( vlc_CPU() & CPU_CAPABILITY_NEON )
i_accel |= MPEG2_ACCEL_ARM_NEON;
# endif
/* TODO: sparc */
#else
/* If we do not know this CPU, trust libmpeg2's feature detection */
i_accel = MPEG2_ACCEL_DETECT;
......
modules/codec/x264.c
View file @ a257811b
......@@ -1259,24 +1259,17 @@ static int Open ( vlc_object_t *p_this )
x264_param_apply_profile( &p_sys->param, psz_val );
free( psz_val );
#if defined (__i386__) || defined (__x86_64__)
unsigned i_cpu = vlc_CPU();
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
p_sys->param.cpu &= ~X264_CPU_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
p_sys->param.cpu &= ~X264_CPU_MMXEXT;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
p_sys->param.cpu &= ~X264_CPU_SSE;
}
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
{
p_sys->param.cpu &= ~X264_CPU_SSE2;
}
#endif
/* BUILD 29 adds support for multi-threaded encoding while BUILD 49 (r543)
also adds support for threads = 0 for automatically selecting an optimal
......
modules/stream_out/switcher.c
View file @ a257811b
......@@ -378,28 +378,36 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
#endif
/* Set CPU capabilities */
unsigned i_cpu = vlc_CPU();
id->ff_enc_c->dsp_mask = 0;
#if defined (__i386__) || defined (__x86_64__)
unsigned i_cpu = vlc_CPU();
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_MMX2;
}
if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_3DNOW;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE;
}
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE2;
}
# ifdef AV_CPU_FLAG_SSE3
if( !(i_cpu & CPU_CAPABILITY_SSE3) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE3;
# endif
# ifdef AV_CPU_FLAG_SSSE3
if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSSE3;
# endif
# ifdef AV_CPU_FLAG_SSE4
if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE4;
# endif
# ifdef AV_CPU_FLAG_SSE42
if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE42;
# endif
#endif
id->ff_enc_c->sample_rate = p_fmt->audio.i_rate;
id->ff_enc_c->time_base.num = 1;
......@@ -791,28 +799,36 @@ static mtime_t VideoCommand( sout_stream_t *p_stream, sout_stream_id_t *id )
#endif
/* Set CPU capabilities */
unsigned i_cpu = vlc_CPU();
id->ff_enc_c->dsp_mask = 0;
#if defined (__i386__) || defined (__x86_64__)
unsigned i_cpu = vlc_CPU();
if( !(i_cpu & CPU_CAPABILITY_MMX) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_MMX;
}
if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_MMX2;
}
if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_3DNOW;
}
if( !(i_cpu & CPU_CAPABILITY_SSE) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE;
}
if( !(i_cpu & CPU_CAPABILITY_SSE2) )
{
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE2;
}
# ifdef AV_CPU_FLAG_SSE3
if( !(i_cpu & CPU_CAPABILITY_SSE3) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE3;
# endif
# ifdef AV_CPU_FLAG_SSSE3
if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSSE3;
# endif
# ifdef AV_CPU_FLAG_SSE4
if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE4;
# endif
# ifdef AV_CPU_FLAG_SSE42
if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
id->ff_enc_c->dsp_mask |= AV_CPU_FLAG_SSE42;
# endif
#endif
id->ff_enc_c->width = p_sys->p_pictures[p_sys->i_cmd-1].format.i_width;
id->ff_enc_c->height = p_sys->p_pictures[p_sys->i_cmd-1].format.i_height;
......
modules/video_filter/postproc.c
View file @ a257811b
......@@ -122,7 +122,6 @@ static int OpenPostproc( vlc_object_t *p_this )
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
vlc_value_t val, val_orig, text;
unsigned i_cpu = vlc_CPU();
int i_flags = 0;
if( p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma ||
......@@ -134,14 +133,18 @@ static int OpenPostproc( vlc_object_t *p_this )
}
/* Set CPU capabilities */
#if defined(__i386__) || defined(__x86_64__)
unsigned i_cpu = vlc_CPU();
if( i_cpu & CPU_CAPABILITY_MMX )
i_flags |= PP_CPU_CAPS_MMX;
if( i_cpu & CPU_CAPABILITY_MMXEXT )
i_flags |= PP_CPU_CAPS_MMX2;
if( i_cpu & CPU_CAPABILITY_3DNOW )
i_flags |= PP_CPU_CAPS_3DNOW;
if( i_cpu & CPU_CAPABILITY_ALTIVEC )
#elif defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__)
if( vlc_CPU() & CPU_CAPABILITY_ALTIVEC )
i_flags |= PP_CPU_CAPS_ALTIVEC;
#endif
switch( p_filter->fmt_in.video.i_chroma )
{
......
modules/video_filter/swscale.c
View file @ a257811b
......@@ -229,9 +229,10 @@ static void CloseScaler( vlc_object_t *p_this )
*****************************************************************************/
static int GetSwsCpuMask(void)
{
const unsigned int i_cpu = vlc_CPU();
int i_sws_cpu = 0;
#if defined(__i386__) || defined(__x86_64__)
const unsigned int i_cpu = vlc_CPU();
if( i_cpu & CPU_CAPABILITY_MMX )
i_sws_cpu |= SWS_CPU_CAPS_MMX;
#if (LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0))
......@@ -240,9 +241,10 @@ static int GetSwsCpuMask(void)
#endif
if( i_cpu & CPU_CAPABILITY_3DNOW )
i_sws_cpu |= SWS_CPU_CAPS_3DNOW;
if( i_cpu & CPU_CAPABILITY_ALTIVEC )
#elif defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__)
if( vlc_CPU() & CPU_CAPABILITY_ALTIVEC )
i_sws_cpu |= SWS_CPU_CAPS_ALTIVEC;
#endif
return i_sws_cpu;
}
......
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