1 28994509 2004-04-21 devnull #include <u.h>
2 28994509 2004-04-21 devnull #include <libc.h>
3 28994509 2004-04-21 devnull #include <bio.h>
4 28994509 2004-04-21 devnull #include <draw.h>
5 28994509 2004-04-21 devnull #include <event.h>
6 28994509 2004-04-21 devnull #include "imagefile.h"
8 28994509 2004-04-21 devnull int cflag = 0;
9 28994509 2004-04-21 devnull int dflag = 0;
10 28994509 2004-04-21 devnull int eflag = 0;
11 28994509 2004-04-21 devnull int nineflag = 0;
12 28994509 2004-04-21 devnull int threeflag = 0;
13 28994509 2004-04-21 devnull int output = 0;
14 28994509 2004-04-21 devnull ulong outchan = CMAP8;
15 28994509 2004-04-21 devnull int defaultcolor = 1;
16 28994509 2004-04-21 devnull Image *image;
19 28994509 2004-04-21 devnull Border = 2,
23 28994509 2004-04-21 devnull char *show(int, char*);
25 28994509 2004-04-21 devnull Rawimage** readyuv(int fd, int colorspace);
28 28994509 2004-04-21 devnull eresized(int new)
30 28994509 2004-04-21 devnull Rectangle r;
32 28994509 2004-04-21 devnull if(new && getwindow(display, Refnone) < 0){
33 28994509 2004-04-21 devnull fprint(2, "yuv: can't reattach to window\n");
34 28994509 2004-04-21 devnull exits("resize");
36 28994509 2004-04-21 devnull if(image == nil)
38 28994509 2004-04-21 devnull r = insetrect(screen->clipr, Edge+Border);
39 28994509 2004-04-21 devnull r.max.x = r.min.x+Dx(image->r);
40 28994509 2004-04-21 devnull r.max.y = r.min.y+Dy(image->r);
41 28994509 2004-04-21 devnull border(screen, r, -Border, nil, ZP);
42 28994509 2004-04-21 devnull draw(screen, r, image, nil, image->r.min);
43 28994509 2004-04-21 devnull flushimage(display, 1);
47 be36ff68 2004-04-29 devnull usage(void)
49 be36ff68 2004-04-29 devnull fprint(2, "usage: yuv -39cdektv -W winsize [file.yuv ...]\n");
50 be36ff68 2004-04-29 devnull exits("usage");
54 28994509 2004-04-21 devnull main(int argc, char *argv[])
56 28994509 2004-04-21 devnull int fd, i;
57 28994509 2004-04-21 devnull char *err;
59 28994509 2004-04-21 devnull ARGBEGIN{
60 be36ff68 2004-04-29 devnull case 'W':
61 be36ff68 2004-04-29 devnull winsize = EARGF(usage());
63 28994509 2004-04-21 devnull case '3': /* produce encoded, compressed, three-color bitmap file; no display by default */
64 28994509 2004-04-21 devnull threeflag++;
65 28994509 2004-04-21 devnull /* fall through */
66 28994509 2004-04-21 devnull case 't': /* produce encoded, compressed, true-color bitmap file; no display by default */
69 28994509 2004-04-21 devnull output++;
70 28994509 2004-04-21 devnull defaultcolor = 0;
71 28994509 2004-04-21 devnull outchan = RGB24;
73 28994509 2004-04-21 devnull case 'c': /* produce encoded, compressed, bitmap file; no display by default */
76 28994509 2004-04-21 devnull output++;
77 28994509 2004-04-21 devnull if(defaultcolor)
78 28994509 2004-04-21 devnull outchan = CMAP8;
80 28994509 2004-04-21 devnull case 'd': /* suppress display of image */
83 28994509 2004-04-21 devnull case 'e': /* disable floyd-steinberg error diffusion */
86 28994509 2004-04-21 devnull case 'k': /* force black and white */
87 28994509 2004-04-21 devnull defaultcolor = 0;
88 28994509 2004-04-21 devnull outchan = GREY8;
90 28994509 2004-04-21 devnull case 'v': /* force RGBV */
91 28994509 2004-04-21 devnull defaultcolor = 0;
92 28994509 2004-04-21 devnull outchan = CMAP8;
94 28994509 2004-04-21 devnull case '9': /* produce plan 9, uncompressed, bitmap file; no display by default */
95 28994509 2004-04-21 devnull nineflag++;
97 28994509 2004-04-21 devnull output++;
98 28994509 2004-04-21 devnull if(defaultcolor)
99 28994509 2004-04-21 devnull outchan = CMAP8;
101 28994509 2004-04-21 devnull default:
102 be36ff68 2004-04-29 devnull usage();
103 28994509 2004-04-21 devnull }ARGEND;
105 28994509 2004-04-21 devnull err = nil;
106 28994509 2004-04-21 devnull if(argc == 0)
107 28994509 2004-04-21 devnull err = show(0, "<stdin>");
109 28994509 2004-04-21 devnull for(i=0; i<argc; i++){
110 28994509 2004-04-21 devnull fd = open(argv[i], OREAD);
111 28994509 2004-04-21 devnull if(fd < 0){
112 28994509 2004-04-21 devnull fprint(2, "yuv: can't open %s: %r\n", argv[i]);
113 28994509 2004-04-21 devnull err = "open";
115 28994509 2004-04-21 devnull err = show(fd, argv[i]);
116 28994509 2004-04-21 devnull close(fd);
118 28994509 2004-04-21 devnull if((nineflag || cflag) && argc>1 && err==nil){
119 28994509 2004-04-21 devnull fprint(2, "yuv: exiting after one file\n");
124 28994509 2004-04-21 devnull exits(err);
128 28994509 2004-04-21 devnull init(void)
130 28994509 2004-04-21 devnull static int inited;
132 28994509 2004-04-21 devnull if(inited == 0){
133 28994509 2004-04-21 devnull if(initdraw(0, 0, 0) < 0){
134 28994509 2004-04-21 devnull fprint(2, "yuv: initdraw failed: %r");
135 28994509 2004-04-21 devnull return -1;
137 28994509 2004-04-21 devnull einit(Ekeyboard|Emouse);
138 28994509 2004-04-21 devnull inited++;
140 28994509 2004-04-21 devnull return 1;
144 28994509 2004-04-21 devnull show(int fd, char *name)
146 28994509 2004-04-21 devnull Rawimage **array, *r, *c;
147 28994509 2004-04-21 devnull Image *i;
148 28994509 2004-04-21 devnull int j, ch;
149 28994509 2004-04-21 devnull char buf[32];
151 28994509 2004-04-21 devnull array = readyuv(fd, CYCbCr);
152 28994509 2004-04-21 devnull if(array == nil || array[0]==nil){
153 28994509 2004-04-21 devnull fprint(2, "yuv: decode %s failed: %r\n", name);
154 28994509 2004-04-21 devnull return "decode";
156 28994509 2004-04-21 devnull if(!dflag){
157 28994509 2004-04-21 devnull if(init() < 0)
158 28994509 2004-04-21 devnull return "initdraw";
159 28994509 2004-04-21 devnull if(defaultcolor && screen->depth>8)
160 28994509 2004-04-21 devnull outchan = RGB24;
162 28994509 2004-04-21 devnull r = array[0];
163 28994509 2004-04-21 devnull if(outchan == CMAP8)
164 28994509 2004-04-21 devnull c = torgbv(r, !eflag);
166 28994509 2004-04-21 devnull if(outchan==GREY8 || (r->chandesc==CY && threeflag==0))
167 28994509 2004-04-21 devnull c = totruecolor(r, CY);
169 28994509 2004-04-21 devnull c = totruecolor(r, CRGB24);
171 28994509 2004-04-21 devnull if(c == nil){
172 28994509 2004-04-21 devnull fprint(2, "yuv: converting %s to local format failed: %r\n", name);
173 28994509 2004-04-21 devnull return "torgbv";
175 28994509 2004-04-21 devnull if(!dflag){
176 28994509 2004-04-21 devnull if(r->chandesc == CY)
177 28994509 2004-04-21 devnull i = allocimage(display, c->r, GREY8, 0, 0);
179 28994509 2004-04-21 devnull i = allocimage(display, c->r, outchan, 0, 0);
180 28994509 2004-04-21 devnull if(i == nil){
181 28994509 2004-04-21 devnull fprint(2, "yuv: allocimage %s failed: %r\n", name);
182 28994509 2004-04-21 devnull return "allocimage";
184 28994509 2004-04-21 devnull if(loadimage(i, i->r, c->chans[0], c->chanlen) < 0){
185 28994509 2004-04-21 devnull fprint(2, "yuv: loadimage %s failed: %r\n", name);
186 28994509 2004-04-21 devnull return "loadimage";
188 28994509 2004-04-21 devnull image = i;
189 28994509 2004-04-21 devnull eresized(0);
190 28994509 2004-04-21 devnull if((ch=ekbd())=='q' || ch==0x7F || ch==0x04)
191 28994509 2004-04-21 devnull exits(nil);
192 28994509 2004-04-21 devnull draw(screen, screen->clipr, display->white, nil, ZP);
193 28994509 2004-04-21 devnull image = nil;
194 28994509 2004-04-21 devnull freeimage(i);
196 28994509 2004-04-21 devnull if(nineflag){
197 28994509 2004-04-21 devnull chantostr(buf, outchan);
198 28994509 2004-04-21 devnull print("%11s %11d %11d %11d %11d ", buf,
199 28994509 2004-04-21 devnull c->r.min.x, c->r.min.y, c->r.max.x, c->r.max.y);
200 28994509 2004-04-21 devnull if(write(1, c->chans[0], c->chanlen) != c->chanlen){
201 28994509 2004-04-21 devnull fprint(2, "yuv: %s: write error %r\n", name);
202 28994509 2004-04-21 devnull return "write";
204 28994509 2004-04-21 devnull }else if(cflag){
205 28994509 2004-04-21 devnull if(writerawimage(1, c) < 0){
206 28994509 2004-04-21 devnull fprint(2, "yuv: %s: write error: %r\n", name);
207 28994509 2004-04-21 devnull return "write";
210 28994509 2004-04-21 devnull for(j=0; j<r->nchans; j++)
211 28994509 2004-04-21 devnull free(r->chans[j]);
212 28994509 2004-04-21 devnull free(r->cmap);
213 28994509 2004-04-21 devnull free(r);
214 28994509 2004-04-21 devnull free(array);
216 28994509 2004-04-21 devnull free(c->chans[0]);
217 28994509 2004-04-21 devnull free(c);
219 28994509 2004-04-21 devnull return nil;