[FFmpeg-cvslog] ppc: Add and use convenience macro to check for AltiVec availability
Diego Biurrun
git at videolan.org
Thu Aug 29 14:31:20 CEST 2013
ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Tue Aug 20 16:36:47 2013 +0200| [f61bece684d9685b07895508e6c1c733b5564ccf] | committer: Diego Biurrun
ppc: Add and use convenience macro to check for AltiVec availability
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f61bece684d9685b07895508e6c1c733b5564ccf
---
libavcodec/ppc/dsputil_ppc.c | 5 ++---
libavutil/ppc/cpu.h | 28 ++++++++++++++++++++++++++++
libavutil/ppc/float_dsp_init.c | 5 ++---
libswscale/utils.c | 13 ++++++-------
4 files changed, 38 insertions(+), 13 deletions(-)
diff --git a/libavcodec/ppc/dsputil_ppc.c b/libavcodec/ppc/dsputil_ppc.c
index 463bc70..6ae6e3f 100644
--- a/libavcodec/ppc/dsputil_ppc.c
+++ b/libavcodec/ppc/dsputil_ppc.c
@@ -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 */
}
diff --git a/libavutil/ppc/cpu.h b/libavutil/ppc/cpu.h
new file mode 100644
index 0000000..f8fae58
--- /dev/null
+++ b/libavutil/ppc/cpu.h
@@ -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 */
diff --git a/libavutil/ppc/float_dsp_init.c b/libavutil/ppc/float_dsp_init.c
index c89aa7f..60d0f19 100644
--- a/libavutil/ppc/float_dsp_init.c
+++ b/libavutil/ppc/float_dsp_init.c
@@ -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
}
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 408859d..c47678c 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -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");
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