> > > @@ -0,0 +1,342 @@ > > +/* > > + * Original MPlayer filters by Richard Felker, Hampa Hug, Daniel Moreno, > > + * and Michael Niedermeyer. > > + * > > + * Copyright (c) 2014 James Darnley <james.darn...@gmail.com> > > + * Copyright (c) 2015 Arwa Arif <arwaarif1...@gmail.com> > > + * > > + * 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. > > + */ > > + > > +/** > > + * @file > > + * very simple video equalizer > > + */ > > + > > +/* TODO: > > > + * - copy plane pointers rather than data > > uh? drop this comment unless it is clear to you what it means > > > + * - support alpha channels > > Add also an entry to add support to .process_command(). You can > implement it in a later patch. > > What is meant by adding support to process_command?
> > > > + > > + eq2->param[0].contrast = eq2->contrast; > > + eq2->param[0].lut_clean = 0; > > + check_values(&eq2->param[0]); > > +} > > + > > +static void set_brightness(EQ2Context *eq2) > > +{ > > + /* brightness already set as AVOpt */ > > + > > + eq2->param[0].brightness = eq2->brightness; > > + eq2->param[0].lut_clean = 0; > > + check_values(&eq2->param[0]); > > +} > > + > > +static void set_gamma(EQ2Context *eq2) > > +{ > > + int i; > > + /* gamma already set as AVOpt */ > > + > > + eq2->param[0].gamma = eq2->gamma * eq2->gamma_g; > > + eq2->param[1].gamma = sqrt(eq2->gamma_b / eq2->gamma_g); > > + eq2->param[2].gamma = sqrt(eq2->gamma_r / eq2->gamma_g); > > + > > + for (i = 0; i < 3; i++) { > > + eq2->param[i].weight = eq2->weight; > > + eq2->param[i].lut_clean = 0; > > + check_values(&eq2->param[i]); > > + } > > +} > > + > > +static void set_saturation(EQ2Context *eq2) > > +{ > > + int i; > > + /* saturation already set as AVOpt */ > > + > > + for (i = 1; i < 3; i++) { > > + eq2->param[i].contrast = eq2->saturation; > > + eq2->param[i].lut_clean = 0; > > + check_values(&eq2->param[i]); > > + } > > Is this really working with gray8 or crashing (like mp=eq does)? > Yes, I checked the formats, it is working with gray8. > You should store in the context the number of planes. > > Also, please add a fate test. > I am not able to run rsync, maybe because of proxy settings. I tried various ways of bypassing the proxy, but I am still unable to use it. Is there any other way of adding the fate test? Updated the patch.
From b54fd33b1d4ad68487ce20480c7865ad95ac19d8 Mon Sep 17 00:00:00 2001 From: Arwa Arif <arwaarif1...@gmail.com> Date: Mon, 19 Jan 2015 03:56:48 +0530 Subject: [PATCH] Port mp=eq/eq2 to FFmpeg Code adapted from James Darnley's previous commits --- configure | 2 + doc/filters.texi | 65 ++++++++++ libavfilter/Makefile | 2 + libavfilter/allfilters.c | 2 + libavfilter/vf_eq.c | 325 ++++++++++++++++++++++++++++++++++++++++++++++ libavfilter/vf_eq.h | 63 +++++++++ libavfilter/x86/Makefile | 1 + libavfilter/x86/vf_eq.c | 94 ++++++++++++++ 8 files changed, 554 insertions(+) create mode 100644 libavfilter/vf_eq.c create mode 100644 libavfilter/vf_eq.h create mode 100644 libavfilter/x86/vf_eq.c diff --git a/configure b/configure index c73562b..a8042b2 100755 --- a/configure +++ b/configure @@ -2579,6 +2579,8 @@ delogo_filter_deps="gpl" deshake_filter_select="pixelutils" drawtext_filter_deps="libfreetype" ebur128_filter_deps="gpl" +eq_filter_deps="gpl" +eq2_filter_deps="gpl" flite_filter_deps="libflite" frei0r_filter_deps="frei0r dlopen" frei0r_src_filter_deps="frei0r dlopen" diff --git a/doc/filters.texi b/doc/filters.texi index d7b2273..ded154a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4320,6 +4320,71 @@ edgedetect=mode=colormix:high=0 @end example @end itemize +@anchor{eq} +@section eq +Control brightness and contrast. It can be used for fixing poorly captured movies, +or for slightly reducing contrast to mask artifacts and get by with lower bitrates. + +The filter accepts the following options: + +@table @option + +@item brightness +Set the brightness value. It accepts a float value in range @code{-1.0} to +@code{1.0}. The default value is @code{0.0}. + +@item contrast +Set the contrast value. It accepts a float value in range @code{-1.0} to +@code{1.0}. The default value is @code{0.0}. +@end table + +@section eq2 +Equalizer that uses lookup tables (very slow), allowing gamma correction +in addition to simple brightness and contrast adjustment. + +Note that it uses the same optimized code as @ref{eq} if all gamma values +are 1.0. The parameters are given as floating point values. + +The filter accepts the following options: + +@table @option +@item brightness +Set the brightness value. It accepts a float value in range @code{-1.0} to +@code{1.0}. The default value is @code{0.0}. + +@item contrast +Set the contrast value. It accepts a float value in range @code{-2.0} to +@code{2.0}. The default value is @code{0.0}. + +@item gamma +Set the gamma value. It accepts a float value in range @code{0.1} to @code{10.0}. +The default value is @code{1.0}. + +@item gamma_y +Set the gamma value for the luma plane. It accepts a float value in range +@code{0.1} to @code{10.0}. The default value is @code{1.0}. + +@item gamma_u +Set the gamma value for 1st chroma plane. It accepts a float value in range +@code{0.1} to @code{10.0}. The default value is @code{1.0}. + +@item gamma_v +Set the gamma value for 2nd chroma plane. It accepts a float value in range +@code{0.1} to @code{10.0}. The default value is @code{1.0}. + +@item saturation +Set the saturation value. It accepts a float value in range @code{0.0} to +@code{3.0}. The default value is @code{1.0}. + +@item weight +Can be used to reduce the effect of a high gamma value on bright image areas, +e.g. keep them from getting overamplified and just plain white. It accepts a +float value in range @code{0.0} to @code{1.0}.A value of @code{0.0} turns the +gamma correction all the way down while @code{1.0} leaves it at its full strength. +Default is @code{1.0}. + +@end table + @section extractplanes Extract color channel components from input video stream into diff --git a/libavfilter/Makefile b/libavfilter/Makefile index e43d76d..8dab587 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -116,6 +116,8 @@ OBJS-$(CONFIG_DRAWGRID_FILTER) += vf_drawbox.o OBJS-$(CONFIG_DRAWTEXT_FILTER) += vf_drawtext.o OBJS-$(CONFIG_ELBG_FILTER) += vf_elbg.o OBJS-$(CONFIG_EDGEDETECT_FILTER) += vf_edgedetect.o +OBJS-$(CONFIG_EQ_FILTER) += vf_eq.o +OBJS-$(CONFIG_EQ2_FILTER) += vf_eq.o OBJS-$(CONFIG_EXTRACTPLANES_FILTER) += vf_extractplanes.o OBJS-$(CONFIG_FADE_FILTER) += vf_fade.o OBJS-$(CONFIG_FIELD_FILTER) += vf_field.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 381da4f..aa92449 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -132,6 +132,8 @@ void avfilter_register_all(void) REGISTER_FILTER(DRAWTEXT, drawtext, vf); REGISTER_FILTER(EDGEDETECT, edgedetect, vf); REGISTER_FILTER(ELBG, elbg, vf); + REGISTER_FILTER(EQ, eq, vf); + REGISTER_FILTER(EQ2, eq2, vf); REGISTER_FILTER(EXTRACTPLANES, extractplanes, vf); REGISTER_FILTER(FADE, fade, vf); REGISTER_FILTER(FIELD, field, vf); diff --git a/libavfilter/vf_eq.c b/libavfilter/vf_eq.c new file mode 100644 index 0000000..a6bee7d --- /dev/null +++ b/libavfilter/vf_eq.c @@ -0,0 +1,325 @@ +/* + * Original MPlayer filters by Richard Felker, Hampa Hug, Daniel Moreno, + * and Michael Niedermeyer. + * + * Copyright (c) 2014 James Darnley <james.darn...@gmail.com> + * Copyright (c) 2015 Arwa Arif <arwaarif1...@gmail.com> + * + * 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. + */ + +/** + * @file + * very simple video equalizer + */ + +#include "libavfilter/internal.h" +#include "libavutil/common.h" +#include "libavutil/imgutils.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" +#include "vf_eq.h" + +AVFilter ff_vf_eq, ff_vf_eq2; + +#define IS_FILTER_EQ(x) ((x) == &ff_vf_eq) + +static void create_lut(EQ2Parameters *param) +{ + int i; + double g = param->gamma; + + g = 1.0 / g; + + for (i = 0; i < 256; i++) { + double v = i / 255.0; + v = param->contrast * (v - 0.5) + 0.5 + param->brightness; + + if (v <= 0.0) + param->lut[i] = 0; + else { + v = v * (1.0 - param->weight) + pow(v, g) * param->weight; + + if (v >= 1.0) + param->lut[i] = 255; + else + param->lut[i] = 256.0 * v; + } + } + + param->lut_clean = 1; +} + +static void apply_lut(EQ2Parameters *param, uint8_t *dst, int dst_stride, + uint8_t *src, int src_stride, int w, int h) +{ + int x, y; + + if (!param->lut_clean) + create_lut(param); + + for (y = 0; y < h; y++) { + for (x = 0; x < w; x++) { + dst[y*dst_stride+x] = param->lut[src[y*src_stride+x]]; + } + } +} + +static void process_c(EQ2Parameters *param, uint8_t *dst, int dst_stride, + uint8_t *src, int src_stride, int w, int h) +{ + int x, y, pel; + + for (y = 0; y < h; y++) { + for (x = 0; x < w; x++) { + pel = ((src[y * src_stride + x] * param->c) >> 16) + param->b; + + if (pel & 768) + pel = (-pel) >> 31; + + dst[y * dst_stride + x] = pel; + } + } +} + +static void check_values(EQ2Parameters *param, EQ2Context *eq2) +{ + if (param->contrast == 1.0 && param->brightness == 0.0 && param->gamma == 1.0) + param->adjust = NULL; + else if (param->gamma == 1.0) + param->adjust = eq2->process; + else + param->adjust = apply_lut; +} + +static void set_contrast(EQ2Context *eq2) +{ + eq2->param[0].contrast = eq2->contrast; + eq2->param[0].lut_clean = 0; + check_values(&eq2->param[0], eq2); +} + +static void set_brightness(EQ2Context *eq2) +{ + eq2->param[0].brightness = eq2->brightness; + eq2->param[0].lut_clean = 0; + check_values(&eq2->param[0], eq2); +} + +static void set_gamma(EQ2Context *eq2) +{ + int i; + eq2->param[0].gamma = eq2->gamma * eq2->gamma_u; + eq2->param[1].gamma = sqrt(eq2->gamma_y / eq2->gamma_u); + eq2->param[2].gamma = sqrt(eq2->gamma_v / eq2->gamma_u); + + for (i = 0; i < 3; i++) { + eq2->param[i].weight = eq2->weight; + eq2->param[i].lut_clean = 0; + check_values(&eq2->param[i], eq2); + } +} + +static void set_saturation(EQ2Context *eq2) +{ + int i; + for (i = 1; i < 3; i++) { + eq2->param[i].contrast = eq2->saturation; + eq2->param[i].lut_clean = 0; + check_values(&eq2->param[i], eq2); + } +} + +static int initialize(AVFilterContext *ctx) +{ + EQ2Context *eq2 = ctx->priv; + int i; + + set_gamma(eq2); + set_contrast(eq2); + set_brightness(eq2); + set_saturation(eq2); + + if (IS_FILTER_EQ(ctx->filter)) { + eq2->param[0].contrast += 1.0; + eq2->param[1].adjust = NULL; + eq2->param[2].adjust = NULL; + } + + for (i = 0; i < 3; i++) { + eq2->param[i].c = (eq2->param[i].contrast) * 65536.0; + eq2->param[i].b = (eq2->param[i].brightness + 1.0) * 255.5 - 128.0 - (eq2->param[i].contrast) * 128.0; + } + + eq2->process = process_c; + + if (ARCH_X86) + { + ff_eq_init_x86(eq2); + } + + return 0; +} + +static int query_formats(AVFilterContext *ctx) +{ + static const enum AVPixelFormat pixel_fmts_eq[] = { + AV_PIX_FMT_GRAY8, + AV_PIX_FMT_NV12, + AV_PIX_FMT_NV21, + AV_PIX_FMT_YUV410P, + AV_PIX_FMT_YUV411P, + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUV422P, + AV_PIX_FMT_YUV444P, + AV_PIX_FMT_NONE + }; + + static const enum AVPixelFormat pixel_fmts_eq2[] = { + AV_PIX_FMT_GRAY8, + AV_PIX_FMT_YUV410P, + AV_PIX_FMT_YUV411P, + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUV422P, + AV_PIX_FMT_YUV444P, + AV_PIX_FMT_NONE + }; + + if (IS_FILTER_EQ(ctx->filter)) + ff_set_common_formats(ctx, ff_make_format_list(pixel_fmts_eq)); + else + ff_set_common_formats(ctx, ff_make_format_list(pixel_fmts_eq2)); + + return 0; +} + +static int filter_frame(AVFilterLink *inlink, AVFrame *in) +{ + AVFilterContext *ctx = inlink->dst; + AVFilterLink *outlink = inlink->dst->outputs[0]; + EQ2Context *eq2 = ctx->priv; + AVFrame *out; + const AVPixFmtDescriptor *desc; + int i; + + out = ff_get_video_buffer(outlink, inlink->w, inlink->h); + if (!out) + return AVERROR(ENOMEM); + + av_frame_copy_props(out, in); + desc = av_pix_fmt_desc_get(inlink->format); + + for (i = 0; i < desc->nb_components; i++) { + int w = inlink->w; + int h = inlink->h; + + if (i == 1 || i == 2) { + w = FF_CEIL_RSHIFT(w, desc->log2_chroma_w); + h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h); + } + + if (eq2->param[i].adjust) + eq2->param[i].adjust(&eq2->param[i], out->data[i], out->linesize[i], + in->data[i], in->linesize[i], w, h); + else + av_image_copy_plane(out->data[i], out->linesize[i], + in->data[i], in->linesize[i], w, h); + } + + if (in != out) { + if (in->data[3]) + av_image_copy_plane(out->data[3], out->linesize[3], + in ->data[3], in ->linesize[3], + inlink->w, inlink->h); + av_frame_free(&in); + } + + return ff_filter_frame(outlink, out); +} +static const AVFilterPad eq_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .filter_frame = filter_frame, + }, + { NULL } +}; + +static const AVFilterPad eq_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + }, + { NULL } +}; + +#define OFFSET(x) offsetof(EQ2Context, x) +#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM + +static const AVOption eq_options[] = { + { "brightness", "set the brightness adjustment", + OFFSET(brightness), AV_OPT_TYPE_DOUBLE, {.dbl = 0}, -1.0, 1.0, FLAGS }, + { "contrast", "set the contrast adjustment", + OFFSET(contrast), AV_OPT_TYPE_DOUBLE, {.dbl = 0}, -1.0, 1.0, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(eq); + +static const AVOption eq2_options[] = { + { "brightness", "set the brightness adjustment", + OFFSET(brightness), AV_OPT_TYPE_DOUBLE, {.dbl = 0.0}, -1.0, 1.0, FLAGS }, + { "contrast", "set the contrast adjustment, negative values give a negative image", + OFFSET(contrast), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, -2.0, 2.0, FLAGS }, + { "gamma", "set the initial gamma value", + OFFSET(gamma), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.1, 10.0, FLAGS }, + { "gamma_y", "gamma value for the luma plane", + OFFSET(gamma_y), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.1, 10.0, FLAGS }, + { "gamma_u", "gamma value for the 1st chroma plane", + OFFSET(gamma_u), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.1, 10.0, FLAGS }, + { "gamma_v", "gamma value for the 2st chroma plane", + OFFSET(gamma_v), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.1, 10.0, FLAGS }, + { "saturation", "set the saturation adjustment", + OFFSET(saturation), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.0, 3.0, FLAGS }, + { "weight", "set the gamma weight which reduces the effect of gamma on bright areas", + OFFSET(weight), AV_OPT_TYPE_DOUBLE, {.dbl = 1.0}, 0.0, 1.0, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(eq2); + +AVFilter ff_vf_eq = { + .name = "eq", + .description = NULL_IF_CONFIG_SMALL("Adjust brightness and contrast."), + .priv_size = sizeof(EQ2Context), + .priv_class = &eq_class, + .inputs = eq_inputs, + .outputs = eq_outputs, + .query_formats = query_formats, + .init = initialize, +}; + +AVFilter ff_vf_eq2 = { + .name = "eq2", + .description = NULL_IF_CONFIG_SMALL("Adjust brightness, contrast, gamma, and saturation."), + .priv_size = sizeof(EQ2Context), + .priv_class = &eq2_class, + .inputs = eq_inputs, + .outputs = eq_outputs, + .query_formats = query_formats, + .init = initialize, +}; diff --git a/libavfilter/vf_eq.h b/libavfilter/vf_eq.h new file mode 100644 index 0000000..64144eb --- /dev/null +++ b/libavfilter/vf_eq.h @@ -0,0 +1,63 @@ +/* + * Original MPlayer filters by Richard Felker, Hampa Hug, Daniel Moreno, + * and Michael Niedermeyer. + * + * Copyright (c) 2014 James Darnley <james.darn...@gmail.com> + * Copyright (c) 2015 Arwa Arif <arwaarif1...@gmail.com> + * + * 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. + */ + +#ifndef AVFILTER_EQ_H +#define AVFILTER_EQ_H + +#include "avfilter.h" + +typedef struct EQ2Parameters { + + void (*adjust)(struct EQ2Parameters *eq2, uint8_t *dst, int dst_stride, + uint8_t *src, int src_stride, int w, int h); + + uint8_t lut[256]; + uint16_t lut16[256*256]; + + double brightness, contrast, gamma, weight; + int b, c, lut_clean; + +} EQ2Parameters; + +typedef struct { + const AVClass *class; + + EQ2Parameters param[3]; + + double contrast; + double brightness; + double saturation; + + double gamma; + double weight; + double gamma_y, gamma_u, gamma_v; + + void (*process)(struct EQ2Parameters *par, uint8_t *dst, int dst_stride, + uint8_t *src, int src_stride, int w, int h); + +} EQ2Context; + +void ff_eq_init_x86(EQ2Context *eq2); + +#endif /* AVFILTER_EQ_H */ diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile index b93154e..8222e3f 100644 --- a/libavfilter/x86/Makefile +++ b/libavfilter/x86/Makefile @@ -1,3 +1,4 @@ +OBJS-$(CONFIG_EQ_FILTER) += x86/vf_eq.o OBJS-$(CONFIG_FSPP_FILTER) += x86/vf_fspp.o OBJS-$(CONFIG_GRADFUN_FILTER) += x86/vf_gradfun_init.o OBJS-$(CONFIG_HQDN3D_FILTER) += x86/vf_hqdn3d_init.o diff --git a/libavfilter/x86/vf_eq.c b/libavfilter/x86/vf_eq.c new file mode 100644 index 0000000..b8ca280 --- /dev/null +++ b/libavfilter/x86/vf_eq.c @@ -0,0 +1,94 @@ +/* + * + * 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 && HAVE_6REGS +static void process_MMX(EQ2Parameters *param, uint8_t *dst, int dst_stride, + 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]; + + brvec[0] = brvec[1] = brvec[2] = brvec[3] = param->b; + contvec[0] = contvec[1] = contvec[2] = contvec[3] = param->c; + + while (h--) { + __asm__ volatile ( + "movq (%5), %%mm3 \n\t" + "movq (%6), %%mm4 \n\t" + "pxor %%mm0, %%mm0 \n\t" + "movl %4, %%eax \n\t" + //ASMALIGN(4) + "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++ * param->c) >> 12) + param->b; + if (pel & 768) + pel = (-pel) >> 31; + *dst++ = pel; + } + + src += sstep; + dst += dstep; + } + __asm__ volatile ( "emms \n\t" ::: "memory" ); +} +#endif + +av_cold void ff_eq_init_x86(EQ2Context *eq2) +{ +#if HAVE_MMX_INLINE + int cpu_flags = av_get_cpu_flags(); + + if (cpu_flags & AV_CPU_FLAG_MMX) { + eq2->process = process_MMX; + } +#endif +} -- 1.7.9.5
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