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Diffstat (limited to 'libavfilter/libmpcodecs/vf_test.c')
-rw-r--r-- | libavfilter/libmpcodecs/vf_test.c | 333 |
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 --- /dev/null +++ b/libavfilter/libmpcodecs/vf_test.c @@ -0,0 +1,333 @@ +/* + * 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 +}; + +//===========================================================================// |