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ffmpeg/libavutil/mips/float_dsp_mips.c

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mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
/*
* 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 its
* 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: Branimir Vasic (bvasic@mips.com)
mips: move vector_fmul_window_mips to libavutil Reviewed-by: "Babic, Nedeljko" <nbabic@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-16 12:22:48 +00:00
* Author: Zoran Lukic (zoranl@mips.com)
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
*
* 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
*/
/**
* @file
* Reference: libavutil/float_dsp.c
*/
mips: Fixing HAVE_MIPSFPU dependencies Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-21 13:00:28 +00:00
#include "config.h"
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
#include "libavutil/float_dsp.h"
mips: Fixing HAVE_MIPSFPU dependencies Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-21 13:00:28 +00:00
#if HAVE_INLINE_ASM && HAVE_MIPSFPU
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
static void vector_fmul_mips(float *dst, const float *src0, const float *src1,
int len)
{
int i;
if (len & 3) {
for (i = 0; i < len; i++)
dst[i] = src0[i] * src1[i];
} else {
float *d = (float *)dst;
float *d_end = d + len;
float *s0 = (float *)src0;
float *s1 = (float *)src1;
float src0_0, src0_1, src0_2, src0_3;
float src1_0, src1_1, src1_2, src1_3;
__asm__ volatile (
"1: \n\t"
"lwc1 %[src0_0], 0(%[s0]) \n\t"
"lwc1 %[src1_0], 0(%[s1]) \n\t"
"lwc1 %[src0_1], 4(%[s0]) \n\t"
"lwc1 %[src1_1], 4(%[s1]) \n\t"
"lwc1 %[src0_2], 8(%[s0]) \n\t"
"lwc1 %[src1_2], 8(%[s1]) \n\t"
"lwc1 %[src0_3], 12(%[s0]) \n\t"
"lwc1 %[src1_3], 12(%[s1]) \n\t"
"mul.s %[src0_0], %[src0_0], %[src1_0] \n\t"
"mul.s %[src0_1], %[src0_1], %[src1_1] \n\t"
"mul.s %[src0_2], %[src0_2], %[src1_2] \n\t"
"mul.s %[src0_3], %[src0_3], %[src1_3] \n\t"
"swc1 %[src0_0], 0(%[d]) \n\t"
"swc1 %[src0_1], 4(%[d]) \n\t"
"swc1 %[src0_2], 8(%[d]) \n\t"
"swc1 %[src0_3], 12(%[d]) \n\t"
"addiu %[s0], %[s0], 16 \n\t"
"addiu %[s1], %[s1], 16 \n\t"
"addiu %[d], %[d], 16 \n\t"
"bne %[d], %[d_end], 1b \n\t"
: [src0_0]"=&f"(src0_0), [src0_1]"=&f"(src0_1),
[src0_2]"=&f"(src0_2), [src0_3]"=&f"(src0_3),
[src1_0]"=&f"(src1_0), [src1_1]"=&f"(src1_1),
[src1_2]"=&f"(src1_2), [src1_3]"=&f"(src1_3),
[d]"+r"(d), [s0]"+r"(s0), [s1]"+r"(s1)
: [d_end]"r"(d_end)
: "memory"
);
}
}
mips: move vector_fmul_window_mips to libavutil Reviewed-by: "Babic, Nedeljko" <nbabic@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-16 12:22:48 +00:00
mips: optimization for float aac decoder (core module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-28 16:47:53 +00:00
static void vector_fmul_scalar_mips(float *dst, const float *src, float mul,
int len)
{
float temp0, temp1, temp2, temp3;
float *local_src = (float*)src;
float *end = local_src + len;
/* loop unrolled 4 times */
__asm__ volatile(
".set push \n\t"
".set noreorder \n\t"
"1: \n\t"
"lwc1 %[temp0], 0(%[src]) \n\t"
"lwc1 %[temp1], 4(%[src]) \n\t"
"lwc1 %[temp2], 8(%[src]) \n\t"
"lwc1 %[temp3], 12(%[src]) \n\t"
"addiu %[dst], %[dst], 16 \n\t"
"mul.s %[temp0], %[temp0], %[mul] \n\t"
"mul.s %[temp1], %[temp1], %[mul] \n\t"
"mul.s %[temp2], %[temp2], %[mul] \n\t"
"mul.s %[temp3], %[temp3], %[mul] \n\t"
"addiu %[src], %[src], 16 \n\t"
"swc1 %[temp0], -16(%[dst]) \n\t"
"swc1 %[temp1], -12(%[dst]) \n\t"
"swc1 %[temp2], -8(%[dst]) \n\t"
"bne %[src], %[end], 1b \n\t"
" swc1 %[temp3], -4(%[dst]) \n\t"
".set pop \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
[temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
[dst]"+r"(dst), [src]"+r"(local_src)
: [end]"r"(end), [mul]"f"(mul)
: "memory"
);
}
mips: move vector_fmul_window_mips to libavutil Reviewed-by: "Babic, Nedeljko" <nbabic@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-16 12:22:48 +00:00
static void vector_fmul_window_mips(float *dst, const float *src0,
const float *src1, const float *win, int len)
{
int i, j;
/*
* variables used in inline assembler
*/
float * dst_i, * dst_j, * dst_i2, * dst_j2;
float temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
dst += len;
win += len;
src0 += len;
for (i = -len, j = len - 1; i < 0; i += 8, j -= 8) {
dst_i = dst + i;
dst_j = dst + j;
dst_i2 = dst + i + 4;
dst_j2 = dst + j - 4;
__asm__ volatile (
"mul.s %[temp], %[s1], %[wi] \n\t"
"mul.s %[temp1], %[s1], %[wj] \n\t"
"mul.s %[temp2], %[s11], %[wi1] \n\t"
"mul.s %[temp3], %[s11], %[wj1] \n\t"
"msub.s %[temp], %[temp], %[s0], %[wj] \n\t"
"madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t"
"msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t"
"madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t"
"swc1 %[temp], 0(%[dst_i]) \n\t" /* dst[i] = s0*wj - s1*wi; */
"swc1 %[temp1], 0(%[dst_j]) \n\t" /* dst[j] = s0*wi + s1*wj; */
"swc1 %[temp2], 4(%[dst_i]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */
"swc1 %[temp3], -4(%[dst_j]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */
"mul.s %[temp4], %[s12], %[wi2] \n\t"
"mul.s %[temp5], %[s12], %[wj2] \n\t"
"mul.s %[temp6], %[s13], %[wi3] \n\t"
"mul.s %[temp7], %[s13], %[wj3] \n\t"
"msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t"
"madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t"
"msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t"
"madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t"
"swc1 %[temp4], 8(%[dst_i]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */
"swc1 %[temp5], -8(%[dst_j]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */
"swc1 %[temp6], 12(%[dst_i]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */
"swc1 %[temp7], -12(%[dst_j]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */
: [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
[temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7)
: [dst_j]"r"(dst_j), [dst_i]"r" (dst_i),
[s0] "f"(src0[i]), [wj] "f"(win[j]), [s1] "f"(src1[j]),
[wi] "f"(win[i]), [s01]"f"(src0[i + 1]),[wj1]"f"(win[j - 1]),
[s11]"f"(src1[j - 1]), [wi1]"f"(win[i + 1]), [s02]"f"(src0[i + 2]),
[wj2]"f"(win[j - 2]), [s12]"f"(src1[j - 2]),[wi2]"f"(win[i + 2]),
[s03]"f"(src0[i + 3]), [wj3]"f"(win[j - 3]), [s13]"f"(src1[j - 3]),
[wi3]"f"(win[i + 3])
: "memory"
);
__asm__ volatile (
"mul.s %[temp], %[s1], %[wi] \n\t"
"mul.s %[temp1], %[s1], %[wj] \n\t"
"mul.s %[temp2], %[s11], %[wi1] \n\t"
"mul.s %[temp3], %[s11], %[wj1] \n\t"
"msub.s %[temp], %[temp], %[s0], %[wj] \n\t"
"madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t"
"msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t"
"madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t"
"swc1 %[temp], 0(%[dst_i2]) \n\t" /* dst[i] = s0*wj - s1*wi; */
"swc1 %[temp1], 0(%[dst_j2]) \n\t" /* dst[j] = s0*wi + s1*wj; */
"swc1 %[temp2], 4(%[dst_i2]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */
"swc1 %[temp3], -4(%[dst_j2]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */
"mul.s %[temp4], %[s12], %[wi2] \n\t"
"mul.s %[temp5], %[s12], %[wj2] \n\t"
"mul.s %[temp6], %[s13], %[wi3] \n\t"
"mul.s %[temp7], %[s13], %[wj3] \n\t"
"msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t"
"madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t"
"msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t"
"madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t"
"swc1 %[temp4], 8(%[dst_i2]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */
"swc1 %[temp5], -8(%[dst_j2]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */
"swc1 %[temp6], 12(%[dst_i2]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */
"swc1 %[temp7], -12(%[dst_j2]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */
: [temp]"=&f"(temp),
[temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
[temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6),
[temp7] "=&f" (temp7)
: [dst_j2]"r"(dst_j2), [dst_i2]"r"(dst_i2),
[s0] "f"(src0[i + 4]), [wj] "f"(win[j - 4]), [s1] "f"(src1[j - 4]),
[wi] "f"(win[i + 4]), [s01]"f"(src0[i + 5]),[wj1]"f"(win[j - 5]),
[s11]"f"(src1[j - 5]), [wi1]"f"(win[i + 5]), [s02]"f"(src0[i + 6]),
[wj2]"f"(win[j - 6]), [s12]"f"(src1[j - 6]),[wi2]"f"(win[i + 6]),
[s03]"f"(src0[i + 7]), [wj3]"f"(win[j - 7]), [s13]"f"(src1[j - 7]),
[wi3]"f"(win[i + 7])
: "memory"
);
}
}
mips: optimization for float aac decoder (core module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-28 16:47:53 +00:00
static void butterflies_float_mips(float *av_restrict v1, float *av_restrict v2,
int len)
{
float temp0, temp1, temp2, temp3, temp4;
float temp5, temp6, temp7, temp8, temp9;
float temp10, temp11, temp12, temp13, temp14, temp15;
int pom;
pom = (len >> 2)-1;
/* loop unrolled 4 times */
__asm__ volatile (
"lwc1 %[temp0], 0(%[v1]) \n\t"
"lwc1 %[temp1], 4(%[v1]) \n\t"
"lwc1 %[temp2], 8(%[v1]) \n\t"
"lwc1 %[temp3], 12(%[v1]) \n\t"
"lwc1 %[temp4], 0(%[v2]) \n\t"
"lwc1 %[temp5], 4(%[v2]) \n\t"
"lwc1 %[temp6], 8(%[v2]) \n\t"
"lwc1 %[temp7], 12(%[v2]) \n\t"
"beq %[pom], $zero, 2f \n\t"
"1: \n\t"
"sub.s %[temp8], %[temp0], %[temp4] \n\t"
"add.s %[temp9], %[temp0], %[temp4] \n\t"
"sub.s %[temp10], %[temp1], %[temp5] \n\t"
"add.s %[temp11], %[temp1], %[temp5] \n\t"
"sub.s %[temp12], %[temp2], %[temp6] \n\t"
"add.s %[temp13], %[temp2], %[temp6] \n\t"
"sub.s %[temp14], %[temp3], %[temp7] \n\t"
"add.s %[temp15], %[temp3], %[temp7] \n\t"
"addiu %[v1], %[v1], 16 \n\t"
"addiu %[v2], %[v2], 16 \n\t"
"addiu %[pom], %[pom], -1 \n\t"
"lwc1 %[temp0], 0(%[v1]) \n\t"
"lwc1 %[temp1], 4(%[v1]) \n\t"
"lwc1 %[temp2], 8(%[v1]) \n\t"
"lwc1 %[temp3], 12(%[v1]) \n\t"
"lwc1 %[temp4], 0(%[v2]) \n\t"
"lwc1 %[temp5], 4(%[v2]) \n\t"
"lwc1 %[temp6], 8(%[v2]) \n\t"
"lwc1 %[temp7], 12(%[v2]) \n\t"
"swc1 %[temp9], -16(%[v1]) \n\t"
"swc1 %[temp8], -16(%[v2]) \n\t"
"swc1 %[temp11], -12(%[v1]) \n\t"
"swc1 %[temp10], -12(%[v2]) \n\t"
"swc1 %[temp13], -8(%[v1]) \n\t"
"swc1 %[temp12], -8(%[v2]) \n\t"
"swc1 %[temp15], -4(%[v1]) \n\t"
"swc1 %[temp14], -4(%[v2]) \n\t"
"bgtz %[pom], 1b \n\t"
"2: \n\t"
"sub.s %[temp8], %[temp0], %[temp4] \n\t"
"add.s %[temp9], %[temp0], %[temp4] \n\t"
"sub.s %[temp10], %[temp1], %[temp5] \n\t"
"add.s %[temp11], %[temp1], %[temp5] \n\t"
"sub.s %[temp12], %[temp2], %[temp6] \n\t"
"add.s %[temp13], %[temp2], %[temp6] \n\t"
"sub.s %[temp14], %[temp3], %[temp7] \n\t"
"add.s %[temp15], %[temp3], %[temp7] \n\t"
"swc1 %[temp9], 0(%[v1]) \n\t"
"swc1 %[temp8], 0(%[v2]) \n\t"
"swc1 %[temp11], 4(%[v1]) \n\t"
"swc1 %[temp10], 4(%[v2]) \n\t"
"swc1 %[temp13], 8(%[v1]) \n\t"
"swc1 %[temp12], 8(%[v2]) \n\t"
"swc1 %[temp15], 12(%[v1]) \n\t"
"swc1 %[temp14], 12(%[v2]) \n\t"
: [v1]"+r"(v1), [v2]"+r"(v2), [pom]"+r"(pom), [temp0] "=&f" (temp0),
[temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
[temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6),
[temp7]"=&f"(temp7), [temp8]"=&f"(temp8), [temp9]"=&f"(temp9),
[temp10]"=&f"(temp10), [temp11]"=&f"(temp11), [temp12]"=&f"(temp12),
[temp13]"=&f"(temp13), [temp14]"=&f"(temp14), [temp15]"=&f"(temp15)
:
: "memory"
);
}
mips: Fixing HAVE_MIPSFPU dependencies Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-21 13:00:28 +00:00
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) {
mips: Fixing HAVE_MIPSFPU dependencies Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-21 13:00:28 +00:00
#if HAVE_INLINE_ASM && HAVE_MIPSFPU
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
fdsp->vector_fmul = vector_fmul_mips;
mips: optimization for float aac decoder (core module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-28 16:47:53 +00:00
fdsp->vector_fmul_scalar = vector_fmul_scalar_mips;
mips: move vector_fmul_window_mips to libavutil Reviewed-by: "Babic, Nedeljko" <nbabic@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-16 12:22:48 +00:00
fdsp->vector_fmul_window = vector_fmul_window_mips;
mips: optimization for float aac decoder (core module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-28 16:47:53 +00:00
fdsp->butterflies_float = butterflies_float_mips;
mips: Fixing HAVE_MIPSFPU dependencies Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-21 13:00:28 +00:00
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
mips: Optimization of AC3 FP encoder and EAC3 FP decoder Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reveiwed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-06 13:06:21 +00:00
}