From 26ce9aec03d925b1ff4beaea462252ad1d7d2c61 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Mon, 13 Aug 2012 12:20:07 +0200 Subject: dnxhdenc: x86: more sensible names for optimization file and init function --- libavcodec/x86/dnxhdenc.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 libavcodec/x86/dnxhdenc.c (limited to 'libavcodec/x86/dnxhdenc.c') diff --git a/libavcodec/x86/dnxhdenc.c b/libavcodec/x86/dnxhdenc.c new file mode 100644 index 0000000000..c344afec55 --- /dev/null +++ b/libavcodec/x86/dnxhdenc.c @@ -0,0 +1,65 @@ +/* + * VC3/DNxHD SIMD functions + * Copyright (c) 2007 Baptiste Coudurier + * + * VC-3 encoder funded by the British Broadcasting Corporation + * + * 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 "libavutil/x86/asm.h" +#include "libavcodec/dnxhdenc.h" + +#if HAVE_INLINE_ASM + +static void get_pixels_8x4_sym_sse2(DCTELEM *block, const uint8_t *pixels, int line_size) +{ + __asm__ volatile( + "pxor %%xmm5, %%xmm5 \n\t" + "movq (%0), %%xmm0 \n\t" + "add %2, %0 \n\t" + "movq (%0), %%xmm1 \n\t" + "movq (%0, %2), %%xmm2 \n\t" + "movq (%0, %2,2), %%xmm3 \n\t" + "punpcklbw %%xmm5, %%xmm0 \n\t" + "punpcklbw %%xmm5, %%xmm1 \n\t" + "punpcklbw %%xmm5, %%xmm2 \n\t" + "punpcklbw %%xmm5, %%xmm3 \n\t" + "movdqa %%xmm0, (%1) \n\t" + "movdqa %%xmm1, 16(%1) \n\t" + "movdqa %%xmm2, 32(%1) \n\t" + "movdqa %%xmm3, 48(%1) \n\t" + "movdqa %%xmm3 , 64(%1) \n\t" + "movdqa %%xmm2 , 80(%1) \n\t" + "movdqa %%xmm1 , 96(%1) \n\t" + "movdqa %%xmm0, 112(%1) \n\t" + : "+r" (pixels) + : "r" (block), "r" ((x86_reg)line_size) + ); +} + +#endif /* HAVE_INLINE_ASM */ + +void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx) +{ +#if HAVE_INLINE_ASM + if (av_get_cpu_flags() & AV_CPU_FLAG_SSE2) { + if (ctx->cid_table->bit_depth == 8) + ctx->get_pixels_8x4_sym = get_pixels_8x4_sym_sse2; + } +#endif /* HAVE_INLINE_ASM */ +} -- cgit v1.2.3