From e3f530feca80627e278e15fbe3b60cef7a6b630d Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Fri, 30 Sep 2011 14:37:11 +0200 Subject: prores: idct sse2/sse4 optimizations. ~3.0-3.5x as fast as original C version, 1.6x as fast overall. --- libavcodec/x86/proresdsp-init.c | 54 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 libavcodec/x86/proresdsp-init.c (limited to 'libavcodec/x86/proresdsp-init.c') diff --git a/libavcodec/x86/proresdsp-init.c b/libavcodec/x86/proresdsp-init.c new file mode 100644 index 0000000000..9760105ab6 --- /dev/null +++ b/libavcodec/x86/proresdsp-init.c @@ -0,0 +1,54 @@ +/* + * Apple ProRes compatible decoder + * + * Copyright (c) 2010-2011 Maxim Poliakovski + * + * 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 + */ + +#include "libavcodec/proresdsp.h" + +void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize, + DCTELEM *block); +void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize, + DCTELEM *block); +void ff_prores_idct_put_10_avx (uint16_t *dst, int linesize, + DCTELEM *block); + +void ff_proresdsp_x86_init(ProresDSPContext *dsp) +{ +#if ARCH_X86_64 + int flags = av_get_cpu_flags(); + + if (flags & AV_CPU_FLAG_SSE2) { + dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; + dsp->idct_put = ff_prores_idct_put_10_sse2; + } + + if (flags & AV_CPU_FLAG_SSE4) { + dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; + dsp->idct_put = ff_prores_idct_put_10_sse4; + } + +#if HAVE_AVX + if (flags & AV_CPU_FLAG_AVX) { + dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; + dsp->idct_put = ff_prores_idct_put_10_avx; + } +#endif +#endif +} -- cgit v1.2.1