third_party_ffmpeg/libavutil/cpu.c
Michael Niedermayer 7c1aba4f01 Merge remote-tracking branch 'qatar/master'
* qatar/master: (21 commits)
  fate: allow testing with libavfilter disabled
  x86: XOP/FMA4 CPU detection support
  ws_snd: misc cosmetic clean-ups
  ws_snd: remove the 2-bit ADPCM table and just subtract 2 instead.
  ws_snd: use memcpy() and memset() instead of loops
  ws_snd: use samples pointer for loop termination instead of a separate iterator variable.
  ws_snd: make sure number of channels is 1
  ws_snd: add some checks to prevent buffer overread or overwrite.
  ws_snd: decode to AV_SAMPLE_FMT_U8 instead of S16.
  flacdec: fix buffer size checking in get_metadata_size()
  rtp: Simplify ff_rtp_get_payload_type
  rtpenc: Add a payload type private option
  rtp: Correct ff_rtp_get_payload_type documentation
  avconv: replace all fprintf() by av_log().
  avconv: change av_log verbosity from ERROR to FATAL for fatal errors.
  cmdutils: replace fprintf() by av_log()
  avtools: parse loglevel before all the other options.
  oggdec: add support for Xiph's CELT codec
  sol: return error if av_get_packet() fails.
  cosmetics: reindent and pretty-print
  ...

Conflicts:
	avconv.c
	cmdutils.c
	libavcodec/avcodec.h
	libavcodec/version.h
	libavformat/oggparsecelt.c
	libavformat/utils.c
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-27 02:14:37 +02:00

92 lines
2.4 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cpu.h"
#include "config.h"
static int flags, checked;
void av_force_cpu_flags(int arg){
flags = arg;
checked = 1;
}
int av_get_cpu_flags(void)
{
if (checked)
return flags;
if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
if (ARCH_X86) flags = ff_get_cpu_flags_x86();
checked = 1;
return flags;
}
#ifdef TEST
#undef printf
#include <stdio.h>
static const struct {
int flag;
const char *name;
} cpu_flag_tab[] = {
#if ARCH_ARM
{ AV_CPU_FLAG_IWMMXT, "iwmmxt" },
#elif ARCH_PPC
{ AV_CPU_FLAG_ALTIVEC, "altivec" },
#elif ARCH_X86
{ AV_CPU_FLAG_MMX, "mmx" },
{ AV_CPU_FLAG_MMX2, "mmx2" },
{ AV_CPU_FLAG_SSE, "sse" },
{ AV_CPU_FLAG_SSE2, "sse2" },
{ AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" },
{ AV_CPU_FLAG_SSE3, "sse3" },
{ AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" },
{ AV_CPU_FLAG_SSSE3, "ssse3" },
{ AV_CPU_FLAG_ATOM, "atom" },
{ AV_CPU_FLAG_SSE4, "sse4.1" },
{ AV_CPU_FLAG_SSE42, "sse4.2" },
{ AV_CPU_FLAG_AVX, "avx" },
{ AV_CPU_FLAG_XOP, "xop" },
{ AV_CPU_FLAG_FMA4, "fma4" },
{ AV_CPU_FLAG_3DNOW, "3dnow" },
{ AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
#endif
{ 0 }
};
int main(void)
{
int cpu_flags = av_get_cpu_flags();
int i;
printf("cpu_flags = 0x%08X\n", cpu_flags);
printf("cpu_flags =");
for (i = 0; cpu_flag_tab[i].flag; i++)
if (cpu_flags & cpu_flag_tab[i].flag)
printf(" %s", cpu_flag_tab[i].name);
printf("\n");
return 0;
}
#endif