mirror of https://github.com/FFmpeg/FFmpeg.git
The source was natively integrated into libavfilter, with the name mptestsrc.pull/2/head
Stefano Sabatini
13 years ago
parent
1a5e63f924
commit
e72657f83d
5 changed files with 1 additions and 337 deletions
@ -1,333 +0,0 @@ |
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/*
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* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of MPlayer. |
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* |
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* MPlayer is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* MPlayer is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with MPlayer; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include "config.h" |
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#include "mp_msg.h" |
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#include "help_mp.h" |
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#include "img_format.h" |
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#include "mp_image.h" |
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#include "vf.h" |
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//===========================================================================//
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#include <inttypes.h> |
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#include <math.h> |
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#define MAX(a,b) ((a) > (b) ? (a) : (b)) |
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#define MIN(a,b) ((a) < (b) ? (a) : (b)) |
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#define ABS(a,b) ((a) > 0 ? (a) : -(a)) |
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#define WIDTH 512 |
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#define HEIGHT 512 |
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struct vf_priv_s { |
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int frame_num; |
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}; |
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static int config(struct vf_instance *vf, |
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int width, int height, int d_width, int d_height, |
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unsigned int flags, unsigned int outfmt){ |
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if(vf_next_query_format(vf,IMGFMT_YV12)<=0){ |
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mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YV12"); |
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return 0; |
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} |
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//hmm whats the meaning of these ... ;)
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d_width= width= WIDTH; |
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d_height= height= HEIGHT; |
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return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12); |
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} |
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static double c[64]; |
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static void initIdct(void) |
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{ |
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int i; |
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for (i=0; i<8; i++) |
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{ |
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double s= i==0 ? sqrt(0.125) : 0.5; |
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int j; |
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for(j=0; j<8; j++) |
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c[i*8+j]= s*cos((3.141592654/8.0)*i*(j+0.5)); |
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} |
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} |
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static void idct(uint8_t *dst, int dstStride, int src[64]) |
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{ |
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int i, j, k; |
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double tmp[64]; |
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for(i=0; i<8; i++) |
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{ |
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for(j=0; j<8; j++) |
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{ |
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double sum= 0.0; |
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for(k=0; k<8; k++) |
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sum+= c[k*8+j]*src[8*i+k]; |
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tmp[8*i+j]= sum; |
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} |
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} |
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for(j=0; j<8; j++) |
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{ |
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for(i=0; i<8; i++) |
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{ |
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int v; |
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double sum= 0.0; |
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for(k=0; k<8; k++) |
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sum+= c[k*8+i]*tmp[8*k+j]; |
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v= (int)floor(sum+0.5); |
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if(v<0) v=0; |
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else if(v>255) v=255; |
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dst[dstStride*i + j] = v; |
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} |
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} |
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} |
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static void drawDc(uint8_t *dst, int stride, int color, int w, int h) |
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{ |
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int y; |
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for(y=0; y<h; y++) |
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{ |
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int x; |
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for(x=0; x<w; x++) |
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{ |
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dst[x + y*stride]= color; |
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} |
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} |
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} |
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static void drawBasis(uint8_t *dst, int stride, int amp, int freq, int dc) |
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{ |
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int src[64]; |
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memset(src, 0, 64*sizeof(int)); |
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src[0]= dc; |
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if(amp) src[freq]= amp; |
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idct(dst, stride, src); |
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} |
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static void drawCbp(uint8_t *dst[3], int stride[3], int cbp, int amp, int dc) |
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{ |
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if(cbp&1) drawBasis(dst[0] , stride[0], amp, 1, dc); |
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if(cbp&2) drawBasis(dst[0]+8 , stride[0], amp, 1, dc); |
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if(cbp&4) drawBasis(dst[0]+ 8*stride[0], stride[0], amp, 1, dc); |
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if(cbp&8) drawBasis(dst[0]+8+8*stride[0], stride[0], amp, 1, dc); |
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if(cbp&16)drawBasis(dst[1] , stride[1], amp, 1, dc); |
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if(cbp&32)drawBasis(dst[2] , stride[2], amp, 1, dc); |
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} |
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static void dc1Test(uint8_t *dst, int stride, int w, int h, int off) |
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{ |
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const int step= MAX(256/(w*h/256), 1); |
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int y; |
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int color=off; |
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for(y=0; y<h; y+=16) |
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{ |
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int x; |
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for(x=0; x<w; x+=16) |
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{ |
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drawDc(dst + x + y*stride, stride, color, 8, 8); |
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color+=step; |
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} |
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} |
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} |
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static void freq1Test(uint8_t *dst, int stride, int off) |
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{ |
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int y; |
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int freq=0; |
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for(y=0; y<8*16; y+=16) |
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{ |
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int x; |
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for(x=0; x<8*16; x+=16) |
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{ |
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drawBasis(dst + x + y*stride, stride, 4*(96+off), freq, 128*8); |
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freq++; |
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} |
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} |
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} |
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static void amp1Test(uint8_t *dst, int stride, int off) |
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{ |
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int y; |
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int amp=off; |
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for(y=0; y<16*16; y+=16) |
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{ |
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int x; |
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for(x=0; x<16*16; x+=16) |
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{ |
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drawBasis(dst + x + y*stride, stride, 4*(amp), 1, 128*8); |
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amp++; |
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} |
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} |
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} |
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static void cbp1Test(uint8_t *dst[3], int stride[3], int off) |
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{ |
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int y; |
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int cbp=0; |
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for(y=0; y<16*8; y+=16) |
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{ |
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int x; |
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for(x=0; x<16*8; x+=16) |
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{ |
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uint8_t *dst1[3]; |
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dst1[0]= dst[0] + x*2 + y*2*stride[0]; |
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dst1[1]= dst[1] + x + y*stride[1]; |
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dst1[2]= dst[2] + x + y*stride[2]; |
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drawCbp(dst1, stride, cbp, (64+off)*4, 128*8); |
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cbp++; |
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} |
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} |
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} |
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static void mv1Test(uint8_t *dst, int stride, int off) |
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{ |
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int y; |
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for(y=0; y<16*16; y++) |
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{ |
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int x; |
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if(y&16) continue; |
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for(x=0; x<16*16; x++) |
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{ |
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dst[x + y*stride]= x + off*8/(y/32+1); |
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} |
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} |
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} |
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static void ring1Test(uint8_t *dst, int stride, int off) |
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{ |
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int y; |
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int color=0; |
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for(y=off; y<16*16; y+=16) |
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{ |
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int x; |
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for(x=off; x<16*16; x+=16) |
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{ |
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drawDc(dst + x + y*stride, stride, ((x+y)&16) ? color : -color, 16, 16); |
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// dst[x + y*stride]= 255 + (off&1);
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color++; |
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} |
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} |
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} |
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static void ring2Test(uint8_t *dst, int stride, int off) |
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{ |
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int y; |
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for(y=0; y<16*16; y++) |
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{ |
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int x; |
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for(x=0; x<16*16; x++) |
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{ |
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double d= sqrt((x-8*16)*(x-8*16) + (y-8*16)*(y-8*16)); |
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double r= d/20 - (int)(d/20); |
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if(r<off/30.0) |
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{ |
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dst[x + y*stride]= 255; |
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dst[x + y*stride+256]= 0; |
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} |
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else{ |
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dst[x + y*stride]= x; |
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dst[x + y*stride+256]= x; |
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} |
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} |
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} |
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} |
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static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ |
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mp_image_t *dmpi; |
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int frame= vf->priv->frame_num; |
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next,IMGFMT_YV12, |
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, |
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WIDTH, HEIGHT); |
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// clean
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memset(dmpi->planes[0], 0, dmpi->stride[0]*dmpi->h); |
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memset(dmpi->planes[1], 128, dmpi->stride[1]*dmpi->h>>dmpi->chroma_y_shift); |
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memset(dmpi->planes[2], 128, dmpi->stride[2]*dmpi->h>>dmpi->chroma_y_shift); |
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if(frame%30) |
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{ |
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switch(frame/30) |
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{ |
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case 0: dc1Test(dmpi->planes[0], dmpi->stride[0], 256, 256, frame%30); break; |
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case 1: dc1Test(dmpi->planes[1], dmpi->stride[1], 256, 256, frame%30); break; |
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case 2: freq1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break; |
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case 3: freq1Test(dmpi->planes[1], dmpi->stride[1], frame%30); break; |
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case 4: amp1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break; |
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case 5: amp1Test(dmpi->planes[1], dmpi->stride[1], frame%30); break; |
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case 6: cbp1Test(dmpi->planes , dmpi->stride , frame%30); break; |
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case 7: mv1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break; |
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case 8: ring1Test(dmpi->planes[0], dmpi->stride[0], frame%30); break; |
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case 9: ring2Test(dmpi->planes[0], dmpi->stride[0], frame%30); break; |
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} |
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} |
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frame++; |
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vf->priv->frame_num= frame; |
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return vf_next_put_image(vf,dmpi, pts); |
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} |
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//===========================================================================//
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static int query_format(struct vf_instance *vf, unsigned int fmt){ |
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return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW); |
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} |
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static int vf_open(vf_instance_t *vf, char *args){ |
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vf->config=config; |
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vf->put_image=put_image; |
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vf->query_format=query_format; |
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vf->priv=malloc(sizeof(struct vf_priv_s)); |
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vf->priv->frame_num= args ? atoi(args) : 0; |
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initIdct(); |
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return 1; |
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} |
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const vf_info_t vf_info_test = { |
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"test pattern generator", |
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"test", |
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"Michael Niedermayer", |
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"", |
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vf_open, |
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NULL |
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}; |
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//===========================================================================//
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