diff options
Diffstat (limited to 'libavfilter/x86/vf_eq.c')
| -rw-r--r-- | libavfilter/x86/vf_eq.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/libavfilter/x86/vf_eq.c b/libavfilter/x86/vf_eq.c deleted file mode 100644 index 16f399505f..0000000000 --- a/libavfilter/x86/vf_eq.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * - * Original MPlayer filters by Richard Felker. - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU 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/attributes.h" -#include "libavutil/cpu.h" -#include "libavutil/mem.h" -#include "libavutil/x86/asm.h" -#include "libavfilter/vf_eq.h" - -#if HAVE_MMX_INLINE && HAVE_6REGS -static void process_MMX(EQParameters *param, uint8_t *dst, int dst_stride, - const uint8_t *src, int src_stride, int w, int h) -{ - int i; - int pel; - int dstep = dst_stride - w; - int sstep = src_stride - w; - short brvec[4]; - short contvec[4]; - int contrast = (int) (param->contrast * 256 * 16); - int brightness = ((int) (100.0 * param->brightness + 100.0) * 511) / 200 - 128 - contrast / 32; - - brvec[0] = brvec[1] = brvec[2] = brvec[3] = brightness; - contvec[0] = contvec[1] = contvec[2] = contvec[3] = contrast; - - while (h--) { - __asm__ volatile ( - "movq (%5), %%mm3 \n\t" - "movq (%6), %%mm4 \n\t" - "pxor %%mm0, %%mm0 \n\t" - "movl %4, %%eax \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0), %%mm1 \n\t" - "movq (%0), %%mm2 \n\t" - "punpcklbw %%mm0, %%mm1\n\t" - "punpckhbw %%mm0, %%mm2\n\t" - "psllw $4, %%mm1 \n\t" - "psllw $4, %%mm2 \n\t" - "pmulhw %%mm4, %%mm1 \n\t" - "pmulhw %%mm4, %%mm2 \n\t" - "paddw %%mm3, %%mm1 \n\t" - "paddw %%mm3, %%mm2 \n\t" - "packuswb %%mm2, %%mm1 \n\t" - "add $8, %0 \n\t" - "movq %%mm1, (%1) \n\t" - "add $8, %1 \n\t" - "decl %%eax \n\t" - "jnz 1b \n\t" - : "=r" (src), "=r" (dst) - : "0" (src), "1" (dst), "r" (w>>3), "r" (brvec), "r" (contvec) - : "%eax" - ); - - for (i = w&7; i; i--) { - pel = ((*src++ * contrast) >> 12) + brightness; - if (pel & ~255) - pel = (-pel) >> 31; - *dst++ = pel; - } - - src += sstep; - dst += dstep; - } - __asm__ volatile ( "emms \n\t" ::: "memory" ); -} -#endif - -av_cold void ff_eq_init_x86(EQContext *eq) -{ -#if HAVE_MMX_INLINE && HAVE_6REGS - int cpu_flags = av_get_cpu_flags(); - - if (cpu_flags & AV_CPU_FLAG_MMX) { - eq->process = process_MMX; - } -#endif -} |