On Mon, Sep 01, 2014 at 07:55:40PM +0200, Nedeljko Babic wrote: > From: Djordje Pesut <djordje.pe...@imgtec.com> > > Add float emulation > > Signed-off-by: Nedeljko Babic <nedeljko.ba...@imgtec.com> > --- > libavcodec/float_emu.h | 295 > +++++++++++++++++++++++++++++++++++++++++++++ > libavcodec/float_emu_tab.c | 293 ++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 588 insertions(+) > create mode 100644 libavcodec/float_emu.h > create mode 100644 libavcodec/float_emu_tab.c
theres libavutil/softfloat
I dont see why this should be re implemented in each decoder
If you can improve softfloat, please do
[...]
> +typedef struct aac_float_t {
> + int mant;
> + int expo;
> +} aac_float_t;
float "emulation" isnt aac specific and *_t are reserved in POSIX
IIRC
[...]
> diff --git a/libavcodec/float_emu_tab.c b/libavcodec/float_emu_tab.c
> new file mode 100644
> index 0000000..396a7a3
> --- /dev/null
> +++ b/libavcodec/float_emu_tab.c
> @@ -0,0 +1,293 @@
> +/*
> + * Copyright (c) 2012
> + * MIPS Technologies, Inc., California.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in the
> + * documentation and/or other materials provided with the distribution.
> + * 3. Neither the name of the MIPS Technologies, Inc., nor the names of is
> + * contributors may be used to endorse or promote products derived from
> + * this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> + * SUCH DAMAGE.
> + *
> + * Author: Stanislav Ocovaj (stanislav.ocovaj imgtec com)
> + *
> + * 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
> + */
> +
> +const int divTable[128] = {
> + 0x3fffffff,0x3f80fe04,0x3f03f03f,0x3e88cb3d,
> + 0x3e0f83e1,0x3d980f66,0x3d226358,0x3cae7592,
> + 0x3c3c3c3c,0x3bcbadc8,0x3b5cc0ed,0x3aef6ca9,
> + 0x3a83a83b,0x3a196b1f,0x39b0ad12,0x3949660b,
tabs are forbidden in git, we would not be able to push this
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The greatest way to live with honor in this world is to be what we pretend
to be. -- Socrates
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