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mdct_sse.c File Reference


Detailed Description

Aften: A/52 audio encoder

SSE MDCT functions This file is derived from libvorbis lancer patch Copyright (c) 2006-2007 prakash@punnoor.de Copyright (c) 2006, blacksword8192@hotmail.com Copyright (c) 2002, Xiph.org Foundation

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 FOUNDATION OR CONTRIBUTORS 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.

MDCT, optimized for the SSE instruction set

Aften: A/52 audio encoder

SSE3 MDCT functions This file is derived from libvorbis lancer patch Copyright (c) 2006-2007 prakash@punnoor.de Copyright (c) 2006, blacksword8192@hotmail.com Copyright (c) 2002, Xiph.org Foundation

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 FOUNDATION OR CONTRIBUTORS 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.

MDCT file, optimized for the SSE3 instruction set

Definition in file mdct_sse.c.

#include "a52enc.h"
#include "x86/simd_support.h"
#include "mdct_common_sse.h"

Go to the source code of this file.

Functions

static void mdct_bitreverse_sse (MDCTContext *mdct, FLOAT *x)
static void mdct_butterfly_32_sse (FLOAT *x)
static void mdct_butterfly_first_sse (FLOAT *trig, FLOAT *x, int points)
static void mdct_butterfly_generic_sse (MDCTContext *mdct, FLOAT *x, int points, int trigint)
void mdct_init_sse (A52Context *ctx)

Variables

static union __m128ui PCS_RNRN = {{0x00000000, 0x80000000, 0x00000000, 0x80000000}}
static union __m128f PFV_0P5 = {{0.5f, 0.5f, 0.5f, 0.5f}}


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