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mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-15 22:05:07 +02:00
ffmpeg/libavcodec/vorbisdsp.h
Janne Grunau 3956a5e0ea aarch64: NEON vorbis_inverse_coupling
From the ARMv7 NEON version. 16 times faster as the C version, overall
more than 12% faster vorbis decoding on Apple's A7.
2014-04-22 22:01:45 +02:00

39 lines
1.4 KiB
C

/*
* 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 AVCODEC_VORBISDSP_H
#define AVCODEC_VORBISDSP_H
#include <stdint.h>
typedef struct VorbisDSPContext {
/* assume len is a multiple of 4, and arrays are 16-byte aligned */
void (*vorbis_inverse_coupling)(float *mag, float *ang,
intptr_t blocksize);
} VorbisDSPContext;
void ff_vorbisdsp_init(VorbisDSPContext *dsp);
/* for internal use only */
void ff_vorbisdsp_init_aarch64(VorbisDSPContext *dsp);
void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp);
void ff_vorbisdsp_init_arm(VorbisDSPContext *dsp);
void ff_vorbisdsp_init_ppc(VorbisDSPContext *dsp);
#endif /* AVCODEC_VORBISDSP_H */