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mirror of https://github.com/mpv-player/mpv synced 2024-10-30 04:46:41 +01:00
mpv/libmpcodecs/vf_test.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

333 lines
7.2 KiB
C

/*
Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "../config.h"
#include "../mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "../libvo/fastmemcpy.h"
//===========================================================================//
#include <inttypes.h>
#include <math.h>
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define ABS(a,b) ((a) > 0 ? (a) : -(a))
#define WIDTH 512
#define HEIGHT 512
struct vf_priv_s {
int frame_num;
};
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
if(vf_next_query_format(vf,IMGFMT_YV12)<=0){
printf("yv12 not supported by next filter/vo :(\n");
return 0;
}
//hmm whats the meaning of these ... ;)
d_width= width= WIDTH;
d_height= height= HEIGHT;
return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
}
static double c[64];
static void initIdct()
{
int i;
for (i=0; i<8; i++)
{
double s= i==0 ? sqrt(0.125) : 0.5;
int j;
for(j=0; j<8; j++)
c[i*8+j]= s*cos((3.141592654/8.0)*i*(j+0.5));
}
}
static void idct(uint8_t *dst, int dstStride, int src[64])
{
int i, j, k;
double tmp[64];
for(i=0; i<8; i++)
{
for(j=0; j<8; j++)
{
double sum= 0.0;
for(k=0; k<8; k++)
sum+= c[k*8+j]*src[8*i+k];
tmp[8*i+j]= sum;
}
}
for(j=0; j<8; j++)
{
for(i=0; i<8; i++)
{
int v;
double sum= 0.0;
for(k=0; k<8; k++)
sum+= c[k*8+i]*tmp[8*k+j];
v= (int)floor(sum+0.5);
if(v<0) v=0;
else if(v>255) v=255;
dst[dstStride*i + j] = v;
}
}
}
static void drawDc(uint8_t *dst, int stride, int color, int w, int h)
{
int y;
for(y=0; y<h; y++)
{
int x;
for(x=0; x<w; x++)
{
dst[x + y*stride]= color;
}
}
}
static void drawBasis(uint8_t *dst, int stride, int amp, int freq, int dc)
{
int src[64];
memset(src, 0, 64*sizeof(int));
src[0]= dc;
if(amp) src[freq]= amp;
idct(dst, stride, src);
}
static void drawCbp(uint8_t *dst[3], int stride[3], int cbp, int amp, int dc)
{
if(cbp&1) drawBasis(dst[0] , stride[0], amp, 1, dc);
if(cbp&2) drawBasis(dst[0]+8 , stride[0], amp, 1, dc);
if(cbp&4) drawBasis(dst[0]+ 8*stride[0], stride[0], amp, 1, dc);
if(cbp&8) drawBasis(dst[0]+8+8*stride[0], stride[0], amp, 1, dc);
if(cbp&16)drawBasis(dst[1] , stride[1], amp, 1, dc);
if(cbp&32)drawBasis(dst[2] , stride[2], amp, 1, dc);
}
static void dc1Test(uint8_t *dst, int stride, int w, int h, int off)
{
const int step= MAX(256/(w*h/256), 1);
int y;
int color=off;
for(y=0; y<h; y+=16)
{
int x;
for(x=0; x<w; x+=16)
{
drawDc(dst + x + y*stride, stride, color, 8, 8);
color+=step;
}
}
}
static void freq1Test(uint8_t *dst, int stride, int off)
{
int y;
int freq=0;
for(y=0; y<8*16; y+=16)
{
int x;
for(x=0; x<8*16; x+=16)
{
drawBasis(dst + x + y*stride, stride, 4*(96+off), freq, 128*8);
freq++;
}
}
}
static void amp1Test(uint8_t *dst, int stride, int off)
{
int y;
int amp=off;
for(y=0; y<16*16; y+=16)
{
int x;
for(x=0; x<16*16; x+=16)
{
drawBasis(dst + x + y*stride, stride, 4*(amp), 1, 128*8);
amp++;
}
}
}
static void cbp1Test(uint8_t *dst[3], int stride[3], int off)
{
int y;
int cbp=0;
for(y=0; y<16*8; y+=16)
{
int x;
for(x=0; x<16*8; x+=16)
{
uint8_t *dst1[3];
dst1[0]= dst[0] + x*2 + y*2*stride[0];
dst1[1]= dst[1] + x + y*stride[1];
dst1[2]= dst[2] + x + y*stride[2];
drawCbp(dst1, stride, cbp, (64+off)*4, 128*8);
cbp++;
}
}
}
static void mv1Test(uint8_t *dst, int stride, int off)
{
int y;
for(y=0; y<16*16; y++)
{
int x;
if(y&16) continue;
for(x=0; x<16*16; x++)
{
dst[x + y*stride]= x + off*8/(y/32+1);
}
}
}
static void ring1Test(uint8_t *dst, int stride, int off)
{
int y;
int color=0;
for(y=off; y<16*16; y+=16)
{
int x;
for(x=off; x<16*16; x+=16)
{
drawDc(dst + x + y*stride, stride, ((x+y)&16) ? color : -color, 16, 16);
// dst[x + y*stride]= 255 + (off&1);
color++;
}
}
}
static void ring2Test(uint8_t *dst, int stride, int off)
{
int y;
for(y=0; y<16*16; y++)
{
int x;
for(x=0; x<16*16; x++)
{
double d= sqrt((x-8*16)*(x-8*16) + (y-8*16)*(y-8*16));
double r= d/20 - (int)(d/20);
if(r<off/30.0)
{
dst[x + y*stride]= 255;
dst[x + y*stride+256]= 0;
}
else{
dst[x + y*stride]= x;
dst[x + y*stride+256]= x;
}
}
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mp_image_t *dmpi;
int frame= vf->priv->frame_num;
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next,IMGFMT_YV12,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
WIDTH, HEIGHT);
// clean
memset(dmpi->planes[0], 0, dmpi->stride[0]*dmpi->h);
memset(dmpi->planes[1], 128, dmpi->stride[1]*dmpi->h>>dmpi->chroma_y_shift);
memset(dmpi->planes[2], 128, dmpi->stride[2]*dmpi->h>>dmpi->chroma_y_shift);
if(frame%30)
{
switch(frame/30)
{
case 0: dc1Test(dmpi->planes[0], dmpi->stride[0], 256, 256, frame%30); break;
case 1: dc1Test(dmpi->planes[1], dmpi->stride[1], 256, 256, frame%30); break;
case 2: freq1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break;
case 3: freq1Test(dmpi->planes[1], dmpi->stride[1], frame%30); break;
case 4: amp1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break;
case 5: amp1Test(dmpi->planes[1], dmpi->stride[1], frame%30); break;
case 6: cbp1Test(dmpi->planes , dmpi->stride , frame%30); break;
case 7: mv1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break;
case 8: ring1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break;
case 9: ring2Test(dmpi->planes[0], dmpi->stride[0], frame%30); break;
}
}
frame++;
vf->priv->frame_num= frame;
return vf_next_put_image(vf,dmpi);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
}
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
vf->priv=malloc(sizeof(struct vf_priv_s));
vf->priv->frame_num= args ? atoi(args) : 0;
initIdct();
return 1;
}
vf_info_t vf_info_test = {
"test pattern generator",
"test",
"Michael Niedermayer",
"",
open,
NULL
};
//===========================================================================//