On 05/24/2011 05:33 PM, Ronald S. Bultje wrote:
> diff --git a/libavutil/cpu_internal.h b/libavutil/cpu_internal.h
> new file mode 100644
> index 0000000..f7ee5d0
> --- /dev/null
> +++ b/libavutil/cpu_internal.h
> @@ -0,0 +1,46 @@
> +/*
> + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
> + *
> + * 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_CPU_INTERNAL_H
> +#define AVUTIL_CPU_INTERNAL_H
> +
> +#include "config.h"
> +
> +/**
> + * Empty mmx state.
> + * this must be called between any dsp function and float/double code.
> + * for example sin(); dsp->idct_put(); emms_c(); cos()
> + */
> +#define emms_c()
> +
> +#if HAVE_MMX
> +
> +#undef emms_c
> +
> +static inline void emms(void)
> +{
> + __asm__ volatile ("emms;":::"memory");
> +}
> +
> +#define emms_c() emms()
> +
> +#endif /* HAVE_MMX */
> +
> +#endif /* AVUTIL_CPU_INTERNAL_H */
Looks ok, is it a private function? what about adding ff_ ?
lu
--
Luca Barbato
Gentoo/linux
http://dev.gentoo.org/~lu_zero
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