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-rw-r--r--libavfilter/libmpcodecs/vf_test.c333
1 files changed, 333 insertions, 0 deletions
diff --git a/libavfilter/libmpcodecs/vf_test.c b/libavfilter/libmpcodecs/vf_test.c
new file mode 100644
index 0000000000..bef06120e1
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+++ b/libavfilter/libmpcodecs/vf_test.c
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+/*
+ * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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 "help_mp.h"
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.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 *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){
+ mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YV12");
+ 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(void)
+{
+ 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 *vf, mp_image_t *mpi, double pts){
+ 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, pts);
+}
+
+//===========================================================================//
+
+static int query_format(struct vf_instance *vf, unsigned int fmt){
+ return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
+}
+
+static int vf_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;
+}
+
+const vf_info_t vf_info_test = {
+ "test pattern generator",
+ "test",
+ "Michael Niedermayer",
+ "",
+ vf_open,
+ NULL
+};
+
+//===========================================================================//
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