f244cbd5
 Hu Chunming
ffmpeg支持h264编码
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/*****************************************************************************
* intel_dispatcher.h: intel compiler cpu dispatcher override
*****************************************************************************
* Copyright (C) 2014-2024 x264 project
*
* Authors: Anton Mitrofanov <BugMaster@narod.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#ifndef X264_INTEL_DISPATCHER_H
#define X264_INTEL_DISPATCHER_H
/* Feature flags using _FEATURE_* defines from immintrin.h */
extern unsigned long long __intel_cpu_feature_indicator;
extern unsigned long long __intel_cpu_feature_indicator_x;
/* CPU vendor independent version of dispatcher */
void __intel_cpu_features_init_x( void );
static void x264_intel_dispatcher_override( void )
{
if( __intel_cpu_feature_indicator & ~1ULL )
return;
__intel_cpu_feature_indicator = 0;
__intel_cpu_feature_indicator_x = 0;
__intel_cpu_features_init_x();
__intel_cpu_feature_indicator = __intel_cpu_feature_indicator_x;
}
#endif
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