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x86/g722dsp: add ff_g722_apply_qmf_sse2

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Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2015-02-15 23:16:25 -03:00
parent e97a9666ef
commit 03adafb318
5 changed files with 96 additions and 0 deletions

2
libavcodec/g722dsp.c

@ -71,4 +71,6 @@ av_cold void ff_g722dsp_init(G722DSPContext *c)
if (ARCH_ARM)
ff_g722dsp_init_arm(c);
if (ARCH_X86)
ff_g722dsp_init_x86(c);
}

1
libavcodec/g722dsp.h

@ -29,5 +29,6 @@ typedef struct G722DSPContext {
void ff_g722dsp_init(G722DSPContext *c);
void ff_g722dsp_init_arm(G722DSPContext *c);
void ff_g722dsp_init_x86(G722DSPContext *c);
#endif /* AVCODEC_G722DSP_H */

4
libavcodec/x86/Makefile

@ -37,6 +37,8 @@ OBJS-$(CONFIG_XMM_CLOBBER_TEST) += x86/w64xmmtest.o
# decoders/encoders
OBJS-$(CONFIG_AAC_DECODER) += x86/sbrdsp_init.o
OBJS-$(CONFIG_ADPCM_G722_DECODER) += x86/g722dsp_init.o
OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp_init.o
OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp_init.o
OBJS-$(CONFIG_CAVS_DECODER) += x86/cavsdsp.o
OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp_init.o
@ -129,6 +131,8 @@ YASM-OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp.o
# decoders/encoders
YASM-OBJS-$(CONFIG_AAC_DECODER) += x86/sbrdsp.o
YASM-OBJS-$(CONFIG_ADPCM_G722_DECODER) += x86/g722dsp.o
YASM-OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp.o
YASM-OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp.o
YASM-OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp.o
YASM-OBJS-$(CONFIG_HEVC_DECODER) += x86/hevc_mc.o \

54
libavcodec/x86/g722dsp.asm Normal file

@ -0,0 +1,54 @@
;******************************************************************************
;* SIMD optimized DSP functions for G722 coding
;*
;* Copyright (c) 2014 James Almer
;*
;* 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
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
pw_qmf_coeffs: dw 3, -210, -11, -805, -11, 951, 53, 3876
pw_qmf_coeffs2: dw 12, 3876, -156, 951, 32, -805, 362, -210
pw_qmf_coeffs3: dw 362, 0 , 32, 0, -156, 0, 12, 0
pw_qmf_coeffs4: dw 53, 0, -11, 0, -11, 0, 3, 0
SECTION_TEXT
INIT_XMM sse2
cglobal g722_apply_qmf, 2, 2, 5, prev, out
movu m0, [prevq+mmsize*0]
movu m1, [prevq+mmsize*1]
movu m2, [prevq+mmsize*2]
punpcklwd m3, m0, m1
punpckhwd m0, m1
punpcklwd m4, m2, m2
punpckhwd m2, m2
pmaddwd m3, [pw_qmf_coeffs ]
pmaddwd m0, [pw_qmf_coeffs2]
pmaddwd m4, [pw_qmf_coeffs3]
pmaddwd m2, [pw_qmf_coeffs4]
paddd m0, m3
paddd m2, m4
paddd m0, m2
pshufd m2, m0, q0032
paddd m0, m2
pshufd m0, m0, q0001
movq [outq], m0
RET

35
libavcodec/x86/g722dsp_init.c Normal file

@ -0,0 +1,35 @@
/*
* Copyright (c) 2014 James Almer
*
* 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
*/
#include <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/g722dsp.h"
void ff_g722_apply_qmf_sse2(const int16_t *prev_samples, int xout[2]);
av_cold void ff_g722dsp_init_x86(G722DSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags))
dsp->apply_qmf = ff_g722_apply_qmf_sse2;
}