mirror of https://git.ffmpeg.org/ffmpeg.git
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
|
|
* VC3/DNxHD SIMD functions
|
|
* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
|
|
*
|
|
* 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_cpu.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_dnxhd_init_mmx(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 */
|
|
}
|