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mpv/libmpcodecs/vf_dint.c
albeu 33b62af947 Add the new -vf option wich is the same as vop in reverse order.
Syntax is we decided, so you can give the nomes or not with both
vop and vf. vf take precedence over vop.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
2003-03-15 18:01:02 +00:00

197 lines
5.6 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "../config.h"
#include "../mp_msg.h"
#include "../libvo/fastmemcpy.h"
#include "mp_image.h"
#include "img_format.h"
#include "vf.h"
struct vf_priv_s {
float sense; // first parameter
float level; // second parameter
unsigned int imgfmt;
char diff;
uint32_t max;
// int dfr;
// int rdfr;
int was_dint;
mp_image_t *pmpi; // previous mpi
};
#define MAXROWSIZE 1200
static int config (struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
int rowsize;
vf->priv->pmpi = vf_get_image (vf->next, outfmt, MP_IMGTYPE_TEMP,
0, width, height);
if (!(vf->priv->pmpi->flags & MP_IMGFLAG_PLANAR) &&
outfmt != IMGFMT_RGB32 && outfmt != IMGFMT_BGR32 &&
outfmt != IMGFMT_RGB24 && outfmt != IMGFMT_BGR24 &&
outfmt != IMGFMT_RGB16 && outfmt != IMGFMT_BGR16)
{
mp_msg (MSGT_VFILTER, MSGL_WARN, "Drop-interlaced filter doesn't support this outfmt :(\n");
return 0;
}
vf->priv->imgfmt = outfmt;
// recalculate internal values
rowsize = vf->priv->pmpi->width;
if (rowsize > MAXROWSIZE) rowsize = MAXROWSIZE;
vf->priv->max = vf->priv->level * vf->priv->pmpi->height * rowsize / 2;
if (vf->priv->pmpi->flags & MP_IMGFLAG_PLANAR) // planar YUV
vf->priv->diff = vf->priv->sense * 256;
else
vf->priv->diff = vf->priv->sense * (1 << (vf->priv->pmpi->bpp/3));
if (vf->priv->diff < 0) vf->priv->diff = 0;
if (!(vf->priv->pmpi->flags & MP_IMGFLAG_PLANAR) &&
vf->priv->pmpi->bpp < 24 && vf->priv->diff > 31)
vf->priv->diff = 31;
mp_msg (MSGT_VFILTER, MSGL_INFO, "Drop-interlaced: %dx%d diff %d / level %u\n",
vf->priv->pmpi->width, vf->priv->pmpi->height,
(int)vf->priv->diff, (unsigned int)vf->priv->max);
// vf->priv->rdfr = vf->priv->dfr = 0;
vf->priv->was_dint = 0;
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}
static int put_image (struct vf_instance_s* vf, mp_image_t *mpi)
{
char rrow0[MAXROWSIZE];
char rrow1[MAXROWSIZE];
char rrow2[MAXROWSIZE];
char *row0 = rrow0, *row1 = rrow1, *row2 = rrow2/*, *row3 = rrow3*/;
int rowsize = mpi->width;
uint32_t nok = 0, max = vf->priv->max;
int diff = vf->priv->diff;
int i, j;
register int n1, n2;
unsigned char *cur0, *prv0;
register unsigned char *cur, *prv;
// check if nothing to do
if (mpi->imgfmt == vf->priv->imgfmt)
{
cur0 = mpi->planes[0] + mpi->stride[0];
prv0 = mpi->planes[0];
for (j = 1; j < mpi->height && nok <= max; j++)
{
cur = cur0;
prv = prv0;
// analyse row (row0)
if (mpi->flags & MP_IMGFLAG_PLANAR) // planar YUV - check luminance
for (i = 0; i < rowsize; i++)
{
if (cur[0] - prv[0] > diff)
row0[i] = 1;
else if (cur[0] - prv[0] < -diff)
row0[i] = -1;
else
row0[i] = 0;
cur++;
prv++;
// check if row0 is 1 but row1 is 0, and row2 is 1 or row2 is 0
// but row3 is 1 so it's interlaced ptr (nok++)
if (j > 2 && row0[i] > 0 && (row1[i] < 0 || (!row1[i] && row2[i] < 0)) &&
(++nok) > max)
break;
}
else if (mpi->bpp < 24) // RGB/BGR 16 - check all colors
for (i = 0; i < rowsize; i++)
{
n1 = cur[0] + (cur[1]<<8);
n2 = prv[0] + (prv[1]<<8);
if ((n1&0x1f) - (n2&0x1f) > diff ||
((n1>>5)&0x3f) - ((n2>>5)&0x3f) > diff ||
((n1>>11)&0x1f) - ((n2>>11)&0x1f) > diff)
row0[i] = 1;
else if ((n1&0x1f) - (n2&0x1f) < -diff ||
((n1>>5)&0x3f) - ((n2>>5)&0x3f) < -diff ||
((n1>>11)&0x1f) - ((n2>>11)&0x1f) < -diff)
row0[i] = -1;
else
row0[i] = 0;
cur += 2;
prv += 2;
// check if row0 is 1 but row1 is 0, and row2 is 1 or row2 is 0
// but row3 is 1 so it's interlaced ptr (nok++)
if (j > 2 && row0[i] > 0 && (row1[i] < 0 || (!row1[i] && row2[i] < 0)) &&
(++nok) > max)
break;
}
else // RGB/BGR 24/32
for (i = 0; i < rowsize; i++)
{
if (cur[0] - prv[0] > diff ||
cur[1] - prv[1] > diff ||
cur[2] - prv[2] > diff)
row0[i] = 1;
else if (prv[0] - cur[0] > diff ||
prv[1] - cur[1] > diff ||
prv[2] - cur[2] > diff)
row0[i] = -1;
else
row0[i] = 0;
cur += mpi->bpp/8;
prv += mpi->bpp/8;
// check if row0 is 1 but row1 is 0, and row2 is 1 or row2 is 0
// but row3 is 1 so it's interlaced ptr (nok++)
if (j > 2 && row0[i] > 0 && (row1[i] < 0 || (!row1[i] && row2[i] < 0)) &&
(++nok) > max)
break;
}
cur0 += mpi->stride[0];
prv0 += mpi->stride[0];
// rotate rows
cur = row2;
row2 = row1;
row1 = row0;
row0 = cur;
}
}
// check if number of interlaced is above of max
if (nok > max)
{
// vf->priv->dfr++;
if (vf->priv->was_dint < 1) // can skip at most one frame!
{
vf->priv->was_dint++;
// vf->priv->rdfr++;
// mp_msg (MSGT_VFILTER, MSGL_INFO, "DI:%d/%d ", vf->priv->rdfr, vf->priv->dfr);
return 0;
}
}
vf->priv->was_dint = 0;
// mp_msg (MSGT_VFILTER, MSGL_INFO, "DI:%d/%d ", vf->priv->rdfr, vf->priv->dfr);
return vf_next_put_image (vf, mpi);
}
static int open (vf_instance_t *vf, char* args){
vf->config = config;
vf->put_image = put_image;
// vf->default_reqs=VFCAP_ACCEPT_STRIDE;
vf->priv = malloc (sizeof(struct vf_priv_s));
vf->priv->sense = 0.1;
vf->priv->level = 0.15;
vf->priv->pmpi = NULL;
if (args)
sscanf (args, "%f:%f", &vf->priv->sense, &vf->priv->level);
return 1;
}
vf_info_t vf_info_dint = {
"drop interlaced frames",
"dint",
"A.G.",
"",
open,
NULL
};