lavfi/mp: drop mp=unsharp filter

The native filter is equivalent from the point of view of the features
and of performances.

1 files changed, 0 insertions, 325 deletions

diff --git a/libavfilter/libmpcodecs/vf_unsharp.c b/libavfilter/libmpcodecs/vf_unsharp.c
deleted file mode 100644
index 89eddecc8b..0000000000
--- a/libavfilter/libmpcodecs/vf_unsharp.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/*
- * Copyright (C) 2002 Remi Guyomarch <rguyom@pobox.com>
- *
- * 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 <math.h>
-
-#include "config.h"
-#include "mp_msg.h"
-#include "cpudetect.h"
-
-#if HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-#include "libvo/fastmemcpy.h"
-#include "libavutil/common.h"
-
-//===========================================================================//
-
-#define MIN_MATRIX_SIZE 3
-#define MAX_MATRIX_SIZE 63
-
-typedef struct FilterParam {
-    int msizeX, msizeY;
-    double amount;
-    uint32_t *SC[MAX_MATRIX_SIZE-1];
-} FilterParam;
-
-struct vf_priv_s {
-    FilterParam lumaParam;
-    FilterParam chromaParam;
-    unsigned int outfmt;
-};
-
-
-//===========================================================================//
-
-/* This code is based on :
-
-An Efficient algorithm for Gaussian blur using finite-state machines
-Frederick M. Waltz and John W. V. Miller
-
-SPIE Conf. on Machine Vision Systems for Inspection and Metrology VII
-Originally published Boston, Nov 98
-
-*/
-
-static void unsharp( uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int width, int height, FilterParam *fp ) {
-
-    uint32_t **SC = fp->SC;
-    uint32_t SR[MAX_MATRIX_SIZE-1], Tmp1, Tmp2;
-    uint8_t* src2 = src; // avoid gcc warning
-
-    int32_t res;
-    int x, y, z;
-    int amount = fp->amount * 65536.0;
-    int stepsX = fp->msizeX/2;
-    int stepsY = fp->msizeY/2;
-    int scalebits = (stepsX+stepsY)*2;
-    int32_t halfscale = 1 << ((stepsX+stepsY)*2-1);
-
-    if( !fp->amount ) {
-        if( src == dst )
-            return;
-        if( dstStride == srcStride )
-            fast_memcpy( dst, src, srcStride*height );
-        else
-            for( y=0; y<height; y++, dst+=dstStride, src+=srcStride )
-                fast_memcpy( dst, src, width );
-        return;
-    }
-
-    for( y=0; y<2*stepsY; y++ )
-        memset( SC[y], 0, sizeof(SC[y][0]) * (width+2*stepsX) );
-
-    for( y=-stepsY; y<height+stepsY; y++ ) {
-        if( y < height ) src2 = src;
-        memset( SR, 0, sizeof(SR[0]) * (2*stepsX-1) );
-        for( x=-stepsX; x<width+stepsX; x++ ) {
-            Tmp1 = x<=0 ? src2[0] : x>=width ? src2[width-1] : src2[x];
-            for( z=0; z<stepsX*2; z+=2 ) {
-                Tmp2 = SR[z+0] + Tmp1; SR[z+0] = Tmp1;
-                Tmp1 = SR[z+1] + Tmp2; SR[z+1] = Tmp2;
-            }
-            for( z=0; z<stepsY*2; z+=2 ) {
-                Tmp2 = SC[z+0][x+stepsX] + Tmp1; SC[z+0][x+stepsX] = Tmp1;
-                Tmp1 = SC[z+1][x+stepsX] + Tmp2; SC[z+1][x+stepsX] = Tmp2;
-            }
-            if( x>=stepsX && y>=stepsY ) {
-                uint8_t* srx = src - stepsY*srcStride + x - stepsX;
-                uint8_t* dsx = dst - stepsY*dstStride + x - stepsX;
-
-                res = (int32_t)*srx + ( ( ( (int32_t)*srx - (int32_t)((Tmp1+halfscale) >> scalebits) ) * amount ) >> 16 );
-                *dsx = res>255 ? 255 : res<0 ? 0 : (uint8_t)res;
-            }
-        }
-        if( y >= 0 ) {
-            dst += dstStride;
-            src += srcStride;
-        }
-    }
-}
-
-//===========================================================================//
-
-static int config( struct vf_instance *vf,
-                   int width, int height, int d_width, int d_height,
-                   unsigned int flags, unsigned int outfmt ) {
-
-    int z, stepsX, stepsY;
-    FilterParam *fp;
-    const char *effect;
-
-    // allocate buffers
-
-    fp = &vf->priv->lumaParam;
-    effect = fp->amount == 0 ? "don't touch" : fp->amount < 0 ? "blur" : "sharpen";
-    ff_mp_msg( MSGT_VFILTER, MSGL_INFO, "unsharp: %dx%d:%0.2f (%s luma) \n", fp->msizeX, fp->msizeY, fp->amount, effect );
-    memset( fp->SC, 0, sizeof( fp->SC ) );
-    stepsX = fp->msizeX/2;
-    stepsY = fp->msizeY/2;
-    for( z=0; z<2*stepsY; z++ )
-        fp->SC[z] = av_malloc(sizeof(*(fp->SC[z])) * (width+2*stepsX));
-
-    fp = &vf->priv->chromaParam;
-    effect = fp->amount == 0 ? "don't touch" : fp->amount < 0 ? "blur" : "sharpen";
-    ff_mp_msg( MSGT_VFILTER, MSGL_INFO, "unsharp: %dx%d:%0.2f (%s chroma)\n", fp->msizeX, fp->msizeY, fp->amount, effect );
-    memset( fp->SC, 0, sizeof( fp->SC ) );
-    stepsX = fp->msizeX/2;
-    stepsY = fp->msizeY/2;
-    for( z=0; z<2*stepsY; z++ )
-        fp->SC[z] = av_malloc(sizeof(*(fp->SC[z])) * (width+2*stepsX));
-
-    return ff_vf_next_config( vf, width, height, d_width, d_height, flags, outfmt );
-}
-
-//===========================================================================//
-
-static void get_image( struct vf_instance *vf, mp_image_t *mpi ) {
-    if( mpi->flags & MP_IMGFLAG_PRESERVE )
-        return; // don't change
-    if( mpi->imgfmt!=vf->priv->outfmt )
-        return; // colorspace differ
-
-    mpi->priv =
-    vf->dmpi = ff_vf_get_image( vf->next, mpi->imgfmt, mpi->type, mpi->flags, mpi->width, mpi->height );
-    mpi->planes[0] = vf->dmpi->planes[0];
-    mpi->stride[0] = vf->dmpi->stride[0];
-    mpi->width = vf->dmpi->width;
-    if( mpi->flags & MP_IMGFLAG_PLANAR ) {
-        mpi->planes[1] = vf->dmpi->planes[1];
-        mpi->planes[2] = vf->dmpi->planes[2];
-        mpi->stride[1] = vf->dmpi->stride[1];
-        mpi->stride[2] = vf->dmpi->stride[2];
-    }
-    mpi->flags |= MP_IMGFLAG_DIRECT;
-}
-
-static int put_image( struct vf_instance *vf, mp_image_t *mpi, double pts) {
-    mp_image_t *dmpi = mpi->priv;
-    mpi->priv = NULL;
-
-    if( !(mpi->flags & MP_IMGFLAG_DIRECT) )
-        // no DR, so get a new image! hope we'll get DR buffer:
-        dmpi = vf->dmpi = ff_vf_get_image( vf->next,vf->priv->outfmt, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, mpi->width, mpi->height);
-
-    unsharp( dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w,   mpi->h,   &vf->priv->lumaParam );
-    unsharp( dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w/2, mpi->h/2, &vf->priv->chromaParam );
-    unsharp( dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w/2, mpi->h/2, &vf->priv->chromaParam );
-
-    ff_vf_clone_mpi_attributes(dmpi, mpi);
-
-#if HAVE_MMX
-    if(ff_gCpuCaps.hasMMX)
-        __asm__ volatile ("emms\n\t");
-#endif
-#if HAVE_MMX2
-    if(ff_gCpuCaps.hasMMX2)
-        __asm__ volatile ("sfence\n\t");
-#endif
-
-    return ff_vf_next_put_image( vf, dmpi, pts);
-}
-
-static void uninit( struct vf_instance *vf ) {
-    unsigned int z;
-    FilterParam *fp;
-
-    if( !vf->priv ) return;
-
-    fp = &vf->priv->lumaParam;
-    for( z=0; z<sizeof(fp->SC)/sizeof(fp->SC[0]); z++ ) {
-        av_free( fp->SC[z] );
-        fp->SC[z] = NULL;
-    }
-    fp = &vf->priv->chromaParam;
-    for( z=0; z<sizeof(fp->SC)/sizeof(fp->SC[0]); z++ ) {
-        av_free( fp->SC[z] );
-        fp->SC[z] = NULL;
-    }
-
-    free( vf->priv );
-    vf->priv = NULL;
-}
-
-//===========================================================================//
-
-static int query_format( struct vf_instance *vf, unsigned int fmt ) {
-    switch(fmt) {
-    case IMGFMT_YV12:
-    case IMGFMT_I420:
-    case IMGFMT_IYUV:
-        return ff_vf_next_query_format( vf, vf->priv->outfmt );
-    }
-    return 0;
-}
-
-//===========================================================================//
-
-static void parse( FilterParam *fp, char* args ) {
-
-    // l7x5:0.8:c3x3:-0.2
-
-    char *z;
-    char *pos = args;
-    char *max = args + strlen(args);
-
-    // parse matrix sizes
-    fp->msizeX = ( pos && pos+1<max ) ? atoi( pos+1 ) : 0;
-    z = strchr( pos+1, 'x' );
-    fp->msizeY = ( z && z+1<max ) ? atoi( pos=z+1 ) : fp->msizeX;
-
-    // min/max & odd
-    fp->msizeX = 1 | av_clip(fp->msizeX, MIN_MATRIX_SIZE, MAX_MATRIX_SIZE);
-    fp->msizeY = 1 | av_clip(fp->msizeY, MIN_MATRIX_SIZE, MAX_MATRIX_SIZE);
-
-    // parse amount
-    pos = strchr( pos+1, ':' );
-    fp->amount = ( pos && pos+1<max ) ? atof( pos+1 ) : 0;
-}
-
-//===========================================================================//
-
-static const unsigned int fmt_list[] = {
-    IMGFMT_YV12,
-    IMGFMT_I420,
-    IMGFMT_IYUV,
-    0
-};
-
-static int vf_open( vf_instance_t *vf, char *args ) {
-    vf->config       = config;
-    vf->put_image    = put_image;
-    vf->get_image    = get_image;
-    vf->query_format = query_format;
-    vf->uninit       = uninit;
-    vf->priv         = malloc( sizeof(struct vf_priv_s) );
-    memset( vf->priv, 0, sizeof(struct vf_priv_s) );
-
-    if( args ) {
-        char *args2 = strchr( args, 'l' );
-        if( args2 )
-            parse( &vf->priv->lumaParam, args2 );
-        else {
-            vf->priv->lumaParam.amount =
-            vf->priv->lumaParam.msizeX =
-            vf->priv->lumaParam.msizeY = 0;
-        }
-
-        args2 = strchr( args, 'c' );
-        if( args2 )
-            parse( &vf->priv->chromaParam, args2 );
-        else {
-            vf->priv->chromaParam.amount =
-            vf->priv->chromaParam.msizeX =
-            vf->priv->chromaParam.msizeY = 0;
-        }
-
-        if( !vf->priv->lumaParam.msizeX && !vf->priv->chromaParam.msizeX )
-            return 0; // nothing to do
-    }
-
-    // check csp:
-    vf->priv->outfmt = ff_vf_match_csp( &vf->next, fmt_list, IMGFMT_YV12 );
-    if( !vf->priv->outfmt ) {
-        uninit( vf );
-        return 0; // no csp match :(
-    }
-
-    return 1;
-}
-
-const vf_info_t ff_vf_info_unsharp = {
-    "unsharp mask & gaussian blur",
-    "unsharp",
-    "Remi Guyomarch",
-    "",
-    vf_open,
-    NULL
-};
-
-//===========================================================================//