diff options
Diffstat (limited to 'libavcodec/x86/dirac_dwt.c')
| -rw-r--r-- | libavcodec/x86/dirac_dwt.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/libavcodec/x86/dirac_dwt.c b/libavcodec/x86/dirac_dwt.c new file mode 100644 index 0000000..04c514f --- /dev/null +++ b/libavcodec/x86/dirac_dwt.c @@ -0,0 +1,202 @@ +/* + * MMX optimized discrete wavelet transform + * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> + * Copyright (c) 2010 David Conrad + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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/x86/asm.h" +#include "dsputil_x86.h" +#include "dirac_dwt.h" + +#define COMPOSE_VERTICAL(ext, align) \ +void ff_vertical_compose53iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); \ +void ff_vertical_compose_dirac53iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); \ +void ff_vertical_compose_dd137iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width); \ +void ff_vertical_compose_dd97iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width); \ +void ff_vertical_compose_haar##ext(IDWTELEM *b0, IDWTELEM *b1, int width); \ +void ff_horizontal_compose_haar0i##ext(IDWTELEM *b, IDWTELEM *tmp, int w);\ +void ff_horizontal_compose_haar1i##ext(IDWTELEM *b, IDWTELEM *tmp, int w);\ +\ +static void vertical_compose53iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) \ +{ \ + int i, width_align = width&~(align-1); \ +\ + for(i=width_align; i<width; i++) \ + b1[i] = COMPOSE_53iL0(b0[i], b1[i], b2[i]); \ +\ + ff_vertical_compose53iL0##ext(b0, b1, b2, width_align); \ +} \ +\ +static void vertical_compose_dirac53iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) \ +{ \ + int i, width_align = width&~(align-1); \ +\ + for(i=width_align; i<width; i++) \ + b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]); \ +\ + ff_vertical_compose_dirac53iH0##ext(b0, b1, b2, width_align); \ +} \ +\ +static void vertical_compose_dd137iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, \ + IDWTELEM *b3, IDWTELEM *b4, int width) \ +{ \ + int i, width_align = width&~(align-1); \ +\ + for(i=width_align; i<width; i++) \ + b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]); \ +\ + ff_vertical_compose_dd137iL0##ext(b0, b1, b2, b3, b4, width_align); \ +} \ +\ +static void vertical_compose_dd97iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, \ + IDWTELEM *b3, IDWTELEM *b4, int width) \ +{ \ + int i, width_align = width&~(align-1); \ +\ + for(i=width_align; i<width; i++) \ + b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]); \ +\ + ff_vertical_compose_dd97iH0##ext(b0, b1, b2, b3, b4, width_align); \ +} \ +static void vertical_compose_haar##ext(IDWTELEM *b0, IDWTELEM *b1, int width) \ +{ \ + int i, width_align = width&~(align-1); \ +\ + for(i=width_align; i<width; i++) { \ + b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]); \ + b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]); \ + } \ +\ + ff_vertical_compose_haar##ext(b0, b1, width_align); \ +} \ +static void horizontal_compose_haar0i##ext(IDWTELEM *b, IDWTELEM *tmp, int w)\ +{\ + int w2= w>>1;\ + int x= w2 - (w2&(align-1));\ + ff_horizontal_compose_haar0i##ext(b, tmp, w);\ +\ + for (; x < w2; x++) {\ + b[2*x ] = tmp[x];\ + b[2*x+1] = COMPOSE_HAARiH0(b[x+w2], tmp[x]);\ + }\ +}\ +static void horizontal_compose_haar1i##ext(IDWTELEM *b, IDWTELEM *tmp, int w)\ +{\ + int w2= w>>1;\ + int x= w2 - (w2&(align-1));\ + ff_horizontal_compose_haar1i##ext(b, tmp, w);\ +\ + for (; x < w2; x++) {\ + b[2*x ] = (tmp[x] + 1)>>1;\ + b[2*x+1] = (COMPOSE_HAARiH0(b[x+w2], tmp[x]) + 1)>>1;\ + }\ +}\ +\ + +#if HAVE_YASM +#if !ARCH_X86_64 +COMPOSE_VERTICAL(_mmx, 4) +#endif +COMPOSE_VERTICAL(_sse2, 8) + + +void ff_horizontal_compose_dd97i_ssse3(IDWTELEM *b, IDWTELEM *tmp, int w); + +static void horizontal_compose_dd97i_ssse3(IDWTELEM *b, IDWTELEM *tmp, int w) +{ + int w2= w>>1; + int x= w2 - (w2&7); + ff_horizontal_compose_dd97i_ssse3(b, tmp, w); + + for (; x < w2; x++) { + b[2*x ] = (tmp[x] + 1)>>1; + b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1; + } +} +#endif + +void ff_spatial_idwt_init_mmx(DWTContext *d, enum dwt_type type) +{ +#if HAVE_YASM + int mm_flags = av_get_cpu_flags(); + +#if !ARCH_X86_64 + if (!(mm_flags & AV_CPU_FLAG_MMX)) + return; + + switch (type) { + case DWT_DIRAC_DD9_7: + d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx; + d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx; + break; + case DWT_DIRAC_LEGALL5_3: + d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx; + d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_mmx; + break; + case DWT_DIRAC_DD13_7: + d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_mmx; + d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx; + break; + case DWT_DIRAC_HAAR0: + d->vertical_compose = (void*)vertical_compose_haar_mmx; + d->horizontal_compose = horizontal_compose_haar0i_mmx; + break; + case DWT_DIRAC_HAAR1: + d->vertical_compose = (void*)vertical_compose_haar_mmx; + d->horizontal_compose = horizontal_compose_haar1i_mmx; + break; + } +#endif + + if (!(mm_flags & AV_CPU_FLAG_SSE2)) + return; + + switch (type) { + case DWT_DIRAC_DD9_7: + d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2; + d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2; + break; + case DWT_DIRAC_LEGALL5_3: + d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2; + d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_sse2; + break; + case DWT_DIRAC_DD13_7: + d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_sse2; + d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2; + break; + case DWT_DIRAC_HAAR0: + d->vertical_compose = (void*)vertical_compose_haar_sse2; + d->horizontal_compose = horizontal_compose_haar0i_sse2; + break; + case DWT_DIRAC_HAAR1: + d->vertical_compose = (void*)vertical_compose_haar_sse2; + d->horizontal_compose = horizontal_compose_haar1i_sse2; + break; + } + + if (!(mm_flags & AV_CPU_FLAG_SSSE3)) + return; + + switch (type) { + case DWT_DIRAC_DD9_7: + d->horizontal_compose = horizontal_compose_dd97i_ssse3; + break; + } +#endif // HAVE_YASM +} |
