[FFmpeg-devel] [PATCH] lavfi: drop mp=eq and mp=eq2

Stefano Sabatini stefasab at gmail.com
Mon Jan 26 10:31:04 CET 2015


mp=eq2 was ported to a native libavfilter filter in commit
4c38e960d0ca81b78dec1589275a5274dde21c8e.
---
 doc/filters.texi                 |  12 -
 libavfilter/Makefile             |   2 -
 libavfilter/libmpcodecs/vf_eq.c  | 240 ------------------
 libavfilter/libmpcodecs/vf_eq2.c | 519 ---------------------------------------
 libavfilter/vf_mp.c              |   4 -
 5 files changed, 777 deletions(-)
 delete mode 100644 libavfilter/libmpcodecs/vf_eq.c
 delete mode 100644 libavfilter/libmpcodecs/vf_eq2.c

diff --git a/doc/filters.texi b/doc/filters.texi
index ced6aea..009cab3 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6279,8 +6279,6 @@ the named filter.
 
 The list of the currently supported filters follows:
 @table @var
- at item eq2
- at item eq
 @item softpulldown
 @end table
 
@@ -6288,16 +6286,6 @@ The parameter syntax and behavior for the listed filters are the same
 of the corresponding MPlayer filters. For detailed instructions check
 the "VIDEO FILTERS" section in the MPlayer manual.
 
- at subsection Examples
-
- at itemize
- at item
-Adjust gamma, brightness, contrast:
- at example
-mp=eq2=1.0:2:0.5
- at end example
- at end itemize
-
 See also mplayer(1), @url{http://www.mplayerhq.hu/}.
 
 @section mpdecimate
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index d14418c..7e0d456 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -228,8 +228,6 @@ OBJS-$(CONFIG_NULLSINK_FILTER)               += vsink_nullsink.o
 
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/mp_image.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/img_format.o
-OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_eq2.o
-OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_eq.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_softpulldown.o
 
 # multimedia filters
diff --git a/libavfilter/libmpcodecs/vf_eq.c b/libavfilter/libmpcodecs/vf_eq.c
deleted file mode 100644
index 7be1674..0000000
--- a/libavfilter/libmpcodecs/vf_eq.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer 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.
- *
- * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-
-#include "config.h"
-#include "mp_msg.h"
-#include "cpudetect.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-
-#include "libvo/video_out.h"
-
-struct vf_priv_s {
-        unsigned char *buf;
-        int brightness;
-        int contrast;
-};
-
-#if HAVE_MMX_INLINE && HAVE_6REGS
-static void process_MMX(unsigned char *dest, int dstride, unsigned char *src, int sstride,
-                    int w, int h, int brightness, int contrast)
-{
-        int i;
-        int pel;
-        int dstep = dstride-w;
-        int sstep = sstride-w;
-        short brvec[4];
-        short contvec[4];
-
-        contrast = ((contrast+100)*256*16)/100;
-        brightness = ((brightness+100)*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"
-                        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" (dest)
-                        : "0" (src), "1" (dest), "r" (w>>3), "r" (brvec), "r" (contvec)
-                        : "%eax"
-                );
-
-                for (i = w&7; i; i--)
-                {
-                        pel = ((*src++* contrast)>>12) + brightness;
-                        if(pel&768) pel = (-pel)>>31;
-                        *dest++ = pel;
-                }
-
-                src += sstep;
-                dest += dstep;
-        }
-        __asm__ volatile ( "emms \n\t" ::: "memory" );
-}
-#endif
-
-static void process_C(unsigned char *dest, int dstride, unsigned char *src, int sstride,
-                    int w, int h, int brightness, int contrast)
-{
-        int i;
-        int pel;
-        int dstep = dstride-w;
-        int sstep = sstride-w;
-
-        contrast = ((contrast+100)*256*256)/100;
-        brightness = ((brightness+100)*511)/200-128 - contrast/512;
-
-        while (h--) {
-                for (i = w; i; i--)
-                {
-                        pel = ((*src++* contrast)>>16) + brightness;
-                        if(pel&768) pel = (-pel)>>31;
-                        *dest++ = pel;
-                }
-                src += sstep;
-                dest += dstep;
-        }
-}
-
-static void (*process)(unsigned char *dest, int dstride, unsigned char *src, int sstride,
-                       int w, int h, int brightness, int contrast);
-
-/* FIXME: add packed yuv version of process */
-
-static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
-{
-        mp_image_t *dmpi;
-
-        dmpi=ff_vf_get_image(vf->next, mpi->imgfmt,
-                          MP_IMGTYPE_EXPORT, 0,
-                          mpi->w, mpi->h);
-
-        dmpi->stride[0] = mpi->stride[0];
-        dmpi->planes[1] = mpi->planes[1];
-        dmpi->planes[2] = mpi->planes[2];
-        dmpi->stride[1] = mpi->stride[1];
-        dmpi->stride[2] = mpi->stride[2];
-
-        if (!vf->priv->buf) vf->priv->buf = malloc(mpi->stride[0]*mpi->h);
-
-        if ((vf->priv->brightness == 0) && (vf->priv->contrast == 0))
-                dmpi->planes[0] = mpi->planes[0];
-        else {
-                dmpi->planes[0] = vf->priv->buf;
-                process(dmpi->planes[0], dmpi->stride[0],
-                        mpi->planes[0], mpi->stride[0],
-                        mpi->w, mpi->h, vf->priv->brightness,
-                        vf->priv->contrast);
-        }
-
-        return ff_vf_next_put_image(vf,dmpi, pts);
-}
-
-static int control(struct vf_instance *vf, int request, void* data)
-{
-        vf_equalizer_t *eq;
-
-        switch (request) {
-        case VFCTRL_SET_EQUALIZER:
-                eq = data;
-                if (!strcmp(eq->item,"brightness")) {
-                        vf->priv->brightness = eq->value;
-                        return CONTROL_TRUE;
-                }
-                else if (!strcmp(eq->item,"contrast")) {
-                        vf->priv->contrast = eq->value;
-                        return CONTROL_TRUE;
-                }
-                break;
-        case VFCTRL_GET_EQUALIZER:
-                eq = data;
-                if (!strcmp(eq->item,"brightness")) {
-                        eq->value = vf->priv->brightness;
-                        return CONTROL_TRUE;
-                }
-                else if (!strcmp(eq->item,"contrast")) {
-                        eq->value = vf->priv->contrast;
-                        return CONTROL_TRUE;
-                }
-                break;
-        }
-        return ff_vf_next_control(vf, request, data);
-}
-
-static int query_format(struct vf_instance *vf, unsigned int fmt)
-{
-        switch (fmt) {
-        case IMGFMT_YVU9:
-        case IMGFMT_IF09:
-        case IMGFMT_YV12:
-        case IMGFMT_I420:
-        case IMGFMT_IYUV:
-        case IMGFMT_CLPL:
-        case IMGFMT_Y800:
-        case IMGFMT_Y8:
-        case IMGFMT_NV12:
-        case IMGFMT_NV21:
-        case IMGFMT_444P:
-        case IMGFMT_422P:
-        case IMGFMT_411P:
-                return ff_vf_next_query_format(vf, fmt);
-        }
-        return 0;
-}
-
-static void uninit(struct vf_instance *vf)
-{
-        free(vf->priv->buf);
-        free(vf->priv);
-}
-
-static int vf_open(vf_instance_t *vf, char *args)
-{
-        vf->control=control;
-        vf->query_format=query_format;
-        vf->put_image=put_image;
-        vf->uninit=uninit;
-
-    vf->priv = malloc(sizeof(struct vf_priv_s));
-    memset(vf->priv, 0, sizeof(struct vf_priv_s));
-    if (args) sscanf(args, "%d:%d", &vf->priv->brightness, &vf->priv->contrast);
-
-        process = process_C;
-#if HAVE_MMX_INLINE && HAVE_6REGS
-        if(ff_gCpuCaps.hasMMX) process = process_MMX;
-#endif
-
-        return 1;
-}
-
-const vf_info_t ff_vf_info_eq = {
-        "soft video equalizer",
-        "eq",
-        "Richard Felker",
-        "",
-        vf_open,
-};
diff --git a/libavfilter/libmpcodecs/vf_eq2.c b/libavfilter/libmpcodecs/vf_eq2.c
deleted file mode 100644
index d0a2b92..0000000
--- a/libavfilter/libmpcodecs/vf_eq2.c
+++ /dev/null
@@ -1,519 +0,0 @@
-/*
- * Software equalizer (brightness, contrast, gamma, saturation)
- *
- * Hampa Hug <hampa at hampa.ch> (original LUT gamma/contrast/brightness filter)
- * Daniel Moreno <comac at comac.darktech.org> (saturation, R/G/B gamma support)
- * Richard Felker (original MMX contrast/brightness code (vf_eq.c))
- * Michael Niedermayer <michalni at gmx.at> (LUT16)
- *
- * This file is part of MPlayer.
- *
- * MPlayer 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.
- *
- * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <inttypes.h>
-
-#include "config.h"
-#include "mp_msg.h"
-#include "cpudetect.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-
-#define LUT16
-
-/* Per channel parameters */
-typedef struct eq2_param_t {
-  unsigned char lut[256];
-#ifdef LUT16
-  uint16_t lut16[256*256];
-#endif
-  int           lut_clean;
-
-  void (*adjust) (struct eq2_param_t *par, unsigned char *dst, unsigned char *src,
-    unsigned w, unsigned h, unsigned dstride, unsigned sstride);
-
-  double        c;
-  double        b;
-  double        g;
-  double        w;
-} eq2_param_t;
-
-typedef struct vf_priv_s {
-  eq2_param_t param[3];
-
-  double        contrast;
-  double        brightness;
-  double        saturation;
-
-  double        gamma;
-  double        gamma_weight;
-  double        rgamma;
-  double        ggamma;
-  double        bgamma;
-
-  unsigned      buf_w[3];
-  unsigned      buf_h[3];
-  unsigned char *buf[3];
-} vf_eq2_t;
-
-
-static
-void create_lut (eq2_param_t *par)
-{
-  unsigned i;
-  double   g, v;
-  double   lw, gw;
-
-  g = par->g;
-  gw = par->w;
-  lw = 1.0 - gw;
-
-  if ((g < 0.001) || (g > 1000.0)) {
-    g = 1.0;
-  }
-
-  g = 1.0 / g;
-
-  for (i = 0; i < 256; i++) {
-    v = (double) i / 255.0;
-    v = par->c * (v - 0.5) + 0.5 + par->b;
-
-    if (v <= 0.0) {
-      par->lut[i] = 0;
-    }
-    else {
-      v = v*lw + pow(v, g)*gw;
-
-      if (v >= 1.0) {
-        par->lut[i] = 255;
-      }
-      else {
-        par->lut[i] = (unsigned char) (256.0 * v);
-      }
-    }
-  }
-
-#ifdef LUT16
-  for(i=0; i<256*256; i++){
-    par->lut16[i]= par->lut[i&0xFF] + (par->lut[i>>8]<<8);
-  }
-#endif
-
-  par->lut_clean = 1;
-}
-
-#if HAVE_MMX_INLINE && HAVE_6REGS
-static
-void affine_1d_MMX (eq2_param_t *par, unsigned char *dst, unsigned char *src,
-  unsigned w, unsigned h, unsigned dstride, unsigned sstride)
-{
-  unsigned i;
-  int      contrast, brightness;
-  unsigned dstep, sstep;
-  int      pel;
-  short    brvec[4];
-  short    contvec[4];
-
-//  printf("\nmmx: src=%p dst=%p w=%d h=%d ds=%d ss=%d\n",src,dst,w,h,dstride,sstride);
-
-  contrast = (int) (par->c * 256 * 16);
-  brightness = ((int) (100.0 * par->b + 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;
-
-  sstep = sstride - w;
-  dstep = dstride - w;
-
-  while (h-- > 0) {
-    __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 > 0; i--) {
-      pel = ((*src++ * contrast) >> 12) + brightness;
-      if (pel & 768) {
-        pel = (-pel) >> 31;
-      }
-      *dst++ = pel;
-    }
-
-    src += sstep;
-    dst += dstep;
-  }
-
-  __asm__ volatile ( "emms \n\t" ::: "memory" );
-}
-#endif
-
-static
-void apply_lut (eq2_param_t *par, unsigned char *dst, unsigned char *src,
-  unsigned w, unsigned h, unsigned dstride, unsigned sstride)
-{
-  unsigned      i, j, w2;
-  unsigned char *lut;
-  uint16_t *lut16;
-
-  if (!par->lut_clean) {
-    create_lut (par);
-  }
-
-  lut = par->lut;
-#ifdef LUT16
-  lut16 = par->lut16;
-  w2= (w>>3)<<2;
-  for (j = 0; j < h; j++) {
-    uint16_t *src16= (uint16_t*)src;
-    uint16_t *dst16= (uint16_t*)dst;
-    for (i = 0; i < w2; i+=4) {
-      dst16[i+0] = lut16[src16[i+0]];
-      dst16[i+1] = lut16[src16[i+1]];
-      dst16[i+2] = lut16[src16[i+2]];
-      dst16[i+3] = lut16[src16[i+3]];
-    }
-    i <<= 1;
-#else
-  w2= (w>>3)<<3;
-  for (j = 0; j < h; j++) {
-    for (i = 0; i < w2; i+=8) {
-      dst[i+0] = lut[src[i+0]];
-      dst[i+1] = lut[src[i+1]];
-      dst[i+2] = lut[src[i+2]];
-      dst[i+3] = lut[src[i+3]];
-      dst[i+4] = lut[src[i+4]];
-      dst[i+5] = lut[src[i+5]];
-      dst[i+6] = lut[src[i+6]];
-      dst[i+7] = lut[src[i+7]];
-    }
-#endif
-    for (; i < w; i++) {
-      dst[i] = lut[src[i]];
-    }
-
-    src += sstride;
-    dst += dstride;
-  }
-}
-
-static
-int put_image (vf_instance_t *vf, mp_image_t *src, double pts)
-{
-  unsigned      i;
-  vf_eq2_t      *eq2;
-  mp_image_t    *dst;
-  unsigned long img_n,img_c;
-
-  eq2 = vf->priv;
-
-  if ((eq2->buf_w[0] != src->w) || (eq2->buf_h[0] != src->h)) {
-    eq2->buf_w[0] = src->w;
-    eq2->buf_h[0] = src->h;
-      eq2->buf_w[1] = eq2->buf_w[2] = src->w >> src->chroma_x_shift;
-      eq2->buf_h[1] = eq2->buf_h[2] = src->h >> src->chroma_y_shift;
-    img_n = eq2->buf_w[0]*eq2->buf_h[0];
-    if(src->num_planes>1){
-      img_c = eq2->buf_w[1]*eq2->buf_h[1];
-      eq2->buf[0] = realloc (eq2->buf[0], img_n + 2*img_c);
-      eq2->buf[1] = eq2->buf[0] + img_n;
-      eq2->buf[2] = eq2->buf[1] + img_c;
-    } else
-      eq2->buf[0] = realloc (eq2->buf[0], img_n);
-  }
-
-  dst = ff_vf_get_image (vf->next, src->imgfmt, MP_IMGTYPE_EXPORT, 0, src->w, src->h);
-
-  for (i = 0; i < ((src->num_planes>1)?3:1); i++) {
-    if (eq2->param[i].adjust) {
-      dst->planes[i] = eq2->buf[i];
-      dst->stride[i] = eq2->buf_w[i];
-
-      eq2->param[i].adjust (&eq2->param[i], dst->planes[i], src->planes[i],
-        eq2->buf_w[i], eq2->buf_h[i], dst->stride[i], src->stride[i]);
-    }
-    else {
-      dst->planes[i] = src->planes[i];
-      dst->stride[i] = src->stride[i];
-    }
-  }
-
-  return ff_vf_next_put_image (vf, dst, pts);
-}
-
-static
-void check_values (eq2_param_t *par)
-{
-  /* yuck! floating point comparisons... */
-
-  if ((par->c == 1.0) && (par->b == 0.0) && (par->g == 1.0)) {
-    par->adjust = NULL;
-  }
-#if HAVE_MMX_INLINE && HAVE_6REGS
-  else if (par->g == 1.0 && ff_gCpuCaps.hasMMX) {
-    par->adjust = &affine_1d_MMX;
-  }
-#endif
-  else {
-    par->adjust = &apply_lut;
-  }
-}
-
-static
-void print_values (vf_eq2_t *eq2)
-{
-  ff_mp_msg (MSGT_VFILTER, MSGL_V, "vf_eq2: c=%.2f b=%.2f g=%.4f s=%.2f \n",
-    eq2->contrast, eq2->brightness, eq2->gamma, eq2->saturation
-  );
-}
-
-static
-void set_contrast (vf_eq2_t *eq2, double c)
-{
-  eq2->contrast = c;
-  eq2->param[0].c = c;
-  eq2->param[0].lut_clean = 0;
-  check_values (&eq2->param[0]);
-  print_values (eq2);
-}
-
-static
-void set_brightness (vf_eq2_t *eq2, double b)
-{
-  eq2->brightness = b;
-  eq2->param[0].b = b;
-  eq2->param[0].lut_clean = 0;
-  check_values (&eq2->param[0]);
-  print_values (eq2);
-}
-
-static
-void set_gamma (vf_eq2_t *eq2, double g)
-{
-  eq2->gamma = g;
-
-  eq2->param[0].g = eq2->gamma * eq2->ggamma;
-  eq2->param[1].g = sqrt (eq2->bgamma / eq2->ggamma);
-  eq2->param[2].g = sqrt (eq2->rgamma / eq2->ggamma);
-  eq2->param[0].w = eq2->param[1].w = eq2->param[2].w = eq2->gamma_weight;
-
-  eq2->param[0].lut_clean = 0;
-  eq2->param[1].lut_clean = 0;
-  eq2->param[2].lut_clean = 0;
-
-  check_values (&eq2->param[0]);
-  check_values (&eq2->param[1]);
-  check_values (&eq2->param[2]);
-
-  print_values (eq2);
-}
-
-static
-void set_saturation (vf_eq2_t *eq2, double s)
-{
-  eq2->saturation = s;
-
-  eq2->param[1].c = s;
-  eq2->param[2].c = s;
-
-  eq2->param[1].lut_clean = 0;
-  eq2->param[2].lut_clean = 0;
-
-  check_values (&eq2->param[1]);
-  check_values (&eq2->param[2]);
-
-  print_values (eq2);
-}
-
-static
-int control (vf_instance_t *vf, int request, void *data)
-{
-  vf_equalizer_t *eq;
-
-  switch (request) {
-    case VFCTRL_SET_EQUALIZER:
-      eq = (vf_equalizer_t *) data;
-
-      if (strcmp (eq->item, "gamma") == 0) {
-        set_gamma (vf->priv, exp (log (8.0) * eq->value / 100.0));
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "contrast") == 0) {
-        set_contrast (vf->priv, (1.0 / 100.0) * (eq->value + 100));
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "brightness") == 0) {
-        set_brightness (vf->priv, (1.0 / 100.0) * eq->value);
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "saturation") == 0) {
-        set_saturation (vf->priv, (double) (eq->value + 100) / 100.0);
-        return CONTROL_TRUE;
-      }
-      break;
-
-    case VFCTRL_GET_EQUALIZER:
-      eq = (vf_equalizer_t *) data;
-      if (strcmp (eq->item, "gamma") == 0) {
-        eq->value = (int) (100.0 * log (vf->priv->gamma) / log (8.0));
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "contrast") == 0) {
-        eq->value = (int) (100.0 * vf->priv->contrast) - 100;
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "brightness") == 0) {
-        eq->value = (int) (100.0 * vf->priv->brightness);
-        return CONTROL_TRUE;
-      }
-      else if (strcmp (eq->item, "saturation") == 0) {
-        eq->value = (int) (100.0 * vf->priv->saturation) - 100;
-        return CONTROL_TRUE;
-      }
-      break;
-  }
-
-  return ff_vf_next_control (vf, request, data);
-}
-
-static
-int query_format (vf_instance_t *vf, unsigned fmt)
-{
-  switch (fmt) {
-    case IMGFMT_YVU9:
-    case IMGFMT_IF09:
-    case IMGFMT_YV12:
-    case IMGFMT_I420:
-    case IMGFMT_IYUV:
-    case IMGFMT_Y800:
-    case IMGFMT_Y8:
-    case IMGFMT_444P:
-    case IMGFMT_422P:
-    case IMGFMT_411P:
-      return ff_vf_next_query_format (vf, fmt);
-  }
-
-  return 0;
-}
-
-static
-void uninit (vf_instance_t *vf)
-{
-  if (vf->priv) {
-    free (vf->priv->buf[0]);
-    free (vf->priv);
-  }
-}
-
-static
-int vf_open(vf_instance_t *vf, char *args)
-{
-  unsigned i;
-  vf_eq2_t *eq2;
-  double   par[8];
-
-  vf->control = control;
-  vf->query_format = query_format;
-  vf->put_image = put_image;
-  vf->uninit = uninit;
-
-  vf->priv = malloc (sizeof (vf_eq2_t));
-  eq2 = vf->priv;
-
-  for (i = 0; i < 3; i++) {
-    eq2->buf[i] = NULL;
-    eq2->buf_w[i] = 0;
-    eq2->buf_h[i] = 0;
-
-    eq2->param[i].adjust = NULL;
-    eq2->param[i].c = 1.0;
-    eq2->param[i].b = 0.0;
-    eq2->param[i].g = 1.0;
-    eq2->param[i].lut_clean = 0;
-  }
-
-  eq2->contrast = 1.0;
-  eq2->brightness = 0.0;
-  eq2->saturation = 1.0;
-
-  eq2->gamma = 1.0;
-  eq2->gamma_weight = 1.0;
-  eq2->rgamma = 1.0;
-  eq2->ggamma = 1.0;
-  eq2->bgamma = 1.0;
-
-  if (args) {
-    par[0] = 1.0;
-    par[1] = 1.0;
-    par[2] = 0.0;
-    par[3] = 1.0;
-    par[4] = 1.0;
-    par[5] = 1.0;
-    par[6] = 1.0;
-    par[7] = 1.0;
-    sscanf (args, "%lf:%lf:%lf:%lf:%lf:%lf:%lf:%lf",
-      par, par + 1, par + 2, par + 3, par + 4, par + 5, par + 6, par + 7
-    );
-
-    eq2->rgamma = par[4];
-    eq2->ggamma = par[5];
-    eq2->bgamma = par[6];
-    eq2->gamma_weight = par[7];
-
-    set_gamma (eq2, par[0]);
-    set_contrast (eq2, par[1]);
-    set_brightness (eq2, par[2]);
-    set_saturation (eq2, par[3]);
-  }
-
-  return 1;
-}
-
-const vf_info_t ff_vf_info_eq2 = {
-  "Software equalizer",
-  "eq2",
-  "Hampa Hug, Daniel Moreno, Richard Felker",
-  "",
-  &vf_open,
-  NULL
-};
diff --git a/libavfilter/vf_mp.c b/libavfilter/vf_mp.c
index afacf26..2cca048 100644
--- a/libavfilter/vf_mp.c
+++ b/libavfilter/vf_mp.c
@@ -125,13 +125,9 @@ static const struct {
     {0, AV_PIX_FMT_NONE}
 };
 
-extern const vf_info_t ff_vf_info_eq2;
-extern const vf_info_t ff_vf_info_eq;
 extern const vf_info_t ff_vf_info_softpulldown;
 
 static const vf_info_t* const filters[]={
-    &ff_vf_info_eq2,
-    &ff_vf_info_eq,
     &ff_vf_info_softpulldown,
     NULL
 };
-- 
1.8.3.2



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