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ppc: Add and use convenience macro to check for AltiVec availability

This commit is contained in:
Diego Biurrun 2013-08-20 16:36:47 +02:00
parent 8410d6e93c
commit f61bece684
4 changed files with 38 additions and 13 deletions
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5
libavcodec/ppc/dsputil_ppc.c
View File

@ -25,6 +25,7 @@
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/mem.h"
#include "libavutil/ppc/cpu.h"
#include "dsputil_altivec.h"
/* ***** WARNING ***** WARNING ***** WARNING ***** */
@ -155,8 +156,7 @@ av_cold void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx)
}
}
#if HAVE_ALTIVEC
if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
if (PPC_ALTIVEC(av_get_cpu_flags())) {
ff_dsputil_init_altivec(c, avctx);
ff_int_init_altivec(c, avctx);
c->gmc1 = ff_gmc1_altivec;
@ -179,5 +179,4 @@ av_cold void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx)
}
}
#endif /* HAVE_ALTIVEC */
}

28
libavutil/ppc/cpu.h Normal file
View File

@ -0,0 +1,28 @@
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_PPC_CPU_H
#define AVUTIL_PPC_CPU_H
#include "config.h"
#include "libavutil/cpu.h"
#include "libavutil/cpu_internal.h"
#define PPC_ALTIVEC(flags) CPUEXT(flags, ALTIVEC)
#endif /* AVUTIL_PPC_CPU_H */

5
libavutil/ppc/float_dsp_init.c
View File

@ -22,12 +22,12 @@
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/float_dsp.h"
#include "libavutil/ppc/cpu.h"
#include "float_dsp_altivec.h"
av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
{
#if HAVE_ALTIVEC
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
if (!PPC_ALTIVEC(av_get_cpu_flags()))
return;
fdsp->vector_fmul = ff_vector_fmul_altivec;
@ -37,5 +37,4 @@ av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
if (!bit_exact) {
fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
}
#endif
}

13
libswscale/utils.c
View File

@ -45,6 +45,7 @@
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/ppc/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "rgb2rgb.h"
@ -492,7 +493,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
minFilterSize = min;
}
if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) {
if (PPC_ALTIVEC(cpu_flags)) {
// we can handle the special case 4, so we don't want to go the full 8
if (minFilterSize < 5)
filterAlign = 4;
@ -805,7 +806,7 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
contrast, saturation);
// FIXME factorize
if (HAVE_ALTIVEC && av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)
if (PPC_ALTIVEC(av_get_cpu_flags()))
ff_yuv2rgb_init_tables_altivec(c, inv_table, brightness,
contrast, saturation);
return 0;
@ -1121,8 +1122,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
{
const int filterAlign =
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
if (initFilter(&c->hLumFilter, &c->hLumFilterPos,
&c->hLumFilterSize, c->lumXInc,
@ -1145,8 +1145,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
{
const int filterAlign =
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 2 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
PPC_ALTIVEC(cpu_flags) ? 8 : 1;
if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
@ -1283,7 +1282,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
av_log(c, AV_LOG_INFO, "using 3DNOW\n");
else if (INLINE_MMX(cpu_flags))
av_log(c, AV_LOG_INFO, "using MMX\n");
else if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC)
else if (PPC_ALTIVEC(cpu_flags))
av_log(c, AV_LOG_INFO, "using AltiVec\n");
else
av_log(c, AV_LOG_INFO, "using C\n");