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Fix bug introduced by me in r28756
[mplayer/glamo.git] / libvo / vo_zr.c
blobb73150c3d08f884165e702b7e3202cc67924f2dc
1 /*
2 * playback on Zoran cards
3 * copyright (C) 2001, 2003 Rik Snel
4 *
5 * This file is part of MPlayer.
6 *
7 * MPlayer is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * MPlayer is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 /* $Id$ */
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <errno.h>
30 #include <sys/stat.h>
31 #include <sys/types.h>
32 #include <sys/time.h>
33 #include <sys/mman.h>
34 #include <sys/ioctl.h>
35 #include <linux/types.h>
36 #include <linux/videodev.h>
37 #include "config.h"
38 #include "videodev_mjpeg.h"
39 #include "video_out.h"
40 #include "video_out_internal.h"
41 #include "mp_msg.h"
42 #include "m_option.h"
43 #include "fastmemcpy.h"
44
45 #include "jpeg_enc.h"
46
47 static const vo_info_t info =
48 {
49 "Zoran ZR360[56]7/ZR36060 Driver (DC10(+)/buz/lml33/MatroxRR)",
50 "zr",
51 "Rik Snel <rsnel@cube.dyndns.org>",
52 ""
53 };
54
55 const LIBVO_EXTERN (zr)
56
57 #define ZR_MAX_DEVICES 4
58 /* General variables */
59
60 typedef struct {
61 int width;
62 int height;
63 int xoff;
64 int yoff;
65 int set;
66 } geo_t;
67
68 static int zr_count = 1;
69 static int zr_parsing = 0;
70 static int framenum;
71
72 typedef struct {
73 /* commandline args given for this device (and defaults) */
74 int vdec, hdec; /* requested decimation 1,2,4 */
75 int fd; /* force decimation */
76 int xdoff, ydoff; /* offset from upperleft of screen
77 * default is 'centered' */
78 int quality; /* jpeg quality 1=best, 20=bad */
79 geo_t g; /* view window (zrcrop) */
80 char *device; /* /dev/video1 */
81 int bw; /* if bw == 1, display in black&white */
82 int norm; /* PAL/NTSC */
83
84 /* buffers + pointers + info */
85
86 unsigned char *image;
87 int image_width, image_height, size;
88 int off_y, off_c, stride; /* for use by 'draw slice/frame' */
89
90 unsigned char *buf; /* the jpeg images will be placed here */
91 jpeg_enc_t *j;
92 unsigned char *y_data, *u_data, *v_data; /* used by the jpeg encoder */
93 int y_stride, u_stride, v_stride; /* these point somewhere in image */
94
95 /* information for (and about) the zoran card */
96
97 int vdes; /* file descriptor of card */
98 int frame, synco, queue; /* buffer management */
99 struct mjpeg_sync zs; /* state information */
100 struct mjpeg_params p;
101 struct mjpeg_requestbuffers zrq;
102 struct video_capability vc; /* max resolution and so on */
103 int fields, stretchy; /* must the *image be interlaced
104 or stretched to fit on the screen? */
105 } zr_info_t;
106
107 static zr_info_t zr_info[ZR_MAX_DEVICES] = {
108 {1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
109 0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
110 {1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
111 0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
112 {1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
113 0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
114 {1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
115 0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
116
117
118
119
120 #define MJPEG_NBUFFERS 2
121 #define MJPEG_SIZE 1024*256
122
123
124 int zoran_getcap(zr_info_t *zr) {
125 char* dev = NULL;
126
127 if (zr->device)
128 dev = zr->device;
129 else {
130 struct stat vstat;
131 const char *devs[] = {
132 "/dev/video",
133 "/dev/video0",
134 "/dev/v4l/video0",
135 "/dev/v4l0",
136 "/dev/v4l",
137 NULL
138 };
139 int i = 0;
140
141 do
142 {
143 if ((stat(devs[i], &vstat) == 0) && S_ISCHR(vstat.st_mode))
144 {
145 dev = devs[i];
146 mp_msg(MSGT_VO, MSGL_V, "zr: found video device %s\n", dev);
147 break;
148 }
149 } while (devs[++i] != NULL);
150
151 if (!dev)
152 {
153 mp_msg(MSGT_VO, MSGL_ERR, "zr: unable to find video device\n");
154 return 1;
155 }
156 }
157
158 zr->vdes = open(dev, O_RDWR);
159
160 if (zr->vdes < 0) {
161 mp_msg(MSGT_VO, MSGL_ERR, "zr: error opening %s: %s\n",
162 dev, strerror(errno));
163 return 1;
164 }
165
166 /* before we can ask for the maximum resolution, we must set
167 * the correct tv norm */
168
169 if (ioctl(zr->vdes, MJPIOC_G_PARAMS, &zr->p) < 0) {
170 mp_msg(MSGT_VO, MSGL_ERR, "zr: device at %s is probably not a DC10(+)/buz/lml33\n", dev);
171 return 1;
172 }
173
174 if (zr->p.norm != zr->norm && zr->norm != VIDEO_MODE_AUTO) {
175 /* attempt to set requested norm */
176 zr->p.norm = zr->norm;
177 if (ioctl(zr->vdes, MJPIOC_S_PARAMS, &zr->p) < 0) {
178 mp_msg(MSGT_VO, MSGL_ERR,
179 "zr: unable to change video norm, use another program to change it (XawTV)\n");
180 return 1;
181 }
182 ioctl(zr->vdes, MJPIOC_G_PARAMS, &zr->p);
183 if (zr->norm != zr->p.norm) {
184 mp_msg(MSGT_VO, MSGL_ERR,
185 "zr: unable to change video norm, use another program to change it (XawTV)\n");
186 return 1;
187 }
188 }
189
190 if (ioctl(zr->vdes, VIDIOCGCAP, &zr->vc) < 0) {
191 mp_msg(MSGT_VO, MSGL_ERR, "zr: error getting video capabilities from %s\n", dev);
192 return 1;
193 }
194 mp_msg(MSGT_VO, MSGL_V, "zr: MJPEG card reports maxwidth=%d, maxheight=%d\n", zr->vc.maxwidth, zr->vc.maxheight);
195
196 return 0;
197 }
198
199 int init_zoran(zr_info_t *zr, int stretchx, int stretchy) {
200 /* center the image, and stretch it as far as possible (try to keep
201 * aspect) and check if it fits */
202 if (zr->image_width > zr->vc.maxwidth) {
203 mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too wide, max width currently %d\n", zr->vc.maxwidth);
204 return 1;
205 }
206
207 if (zr->image_height > zr->vc.maxheight) {
208 mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too high, max height currently %d\n", zr->vc.maxheight);
209 return 1;
210 }
211
212 zr->p.decimation = 0;
213 zr->p.HorDcm = stretchx;
214 zr->p.VerDcm = stretchy;
215 zr->p.TmpDcm = 1;
216 zr->p.field_per_buff = zr->fields;
217 if (zr->xdoff == -1) {
218 zr->p.img_x = (zr->vc.maxwidth -
219 zr->p.HorDcm*(int)zr->image_width/zr->hdec)/2;
220 } else {
221 zr->p.img_x = zr->xdoff;
222 }
223 if (zr->ydoff == -1) {
224 zr->p.img_y = (zr->vc.maxheight - zr->p.VerDcm*
225 (3-zr->fields)*(int)zr->image_height)/4;
226 } else {
227 zr->p.img_y = zr->ydoff;
228 }
229 zr->p.img_width = zr->p.HorDcm*zr->image_width/zr->hdec;
230 zr->p.img_height = zr->p.VerDcm*zr->image_height/zr->fields;
231 mp_msg(MSGT_VO, MSGL_V, "zr: geometry (after 'scaling'): %dx%d+%d+%d fields=%d, w=%d, h=%d\n", zr->p.img_width, (3-zr->fields)*zr->p.img_height, zr->p.img_x, zr->p.img_y, zr->fields, zr->image_width/zr->hdec, zr->image_height);
232
233 if (ioctl(zr->vdes, MJPIOC_S_PARAMS, &zr->p) < 0) {
234 mp_msg(MSGT_VO, MSGL_ERR, "zr: error setting display parameters\n");
235 return 1;
236 }
237
238 zr->zrq.count = MJPEG_NBUFFERS;
239 zr->zrq.size = MJPEG_SIZE;
240
241 if (ioctl(zr->vdes, MJPIOC_REQBUFS, &zr->zrq)) {
242 mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %ld buffers of size %ld\n", zr->zrq.count, zr->zrq.size);
243 return 1;
244 }
245
246 /* the buffer count allocated may be different to the request */
247 zr->buf = (unsigned char*)mmap(0, zr->zrq.count*zr->zrq.size,
248 PROT_READ|PROT_WRITE, MAP_SHARED, zr->vdes, 0);
249
250 if (zr->buf == MAP_FAILED) {
251 mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %ld buffers of size %ld\n", zr->zrq.count, zr->zrq.size);
252 return 1;
253 }
254
255 mp_msg(MSGT_VO, MSGL_V, "zr: got %ld buffers of size %ld (wanted %d buffers of size %d)\n", zr->zrq.count, zr->zrq.size, MJPEG_NBUFFERS, MJPEG_SIZE);
256 if (zr->zrq.count < MJPEG_NBUFFERS) {
257 mp_msg(MSGT_VO, MSGL_V, "zr: got not enough buffers\n");
258 return 1;
259 }
260
261 zr->queue = 0;
262 zr->synco = 0;
263
264 return 0;
265 }
266
267 void uninit_zoran(zr_info_t *zr) {
268 if (zr->image) {
269 free(zr->image);
270 zr->image=NULL;
271 }
272 while (zr->queue > zr->synco + 1) {
273 if (ioctl(zr->vdes, MJPIOC_SYNC, &zr->zs) < 0)
274 mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
275 zr->synco++;
276 }
277 /* stop streaming */
278 zr->frame = -1;
279 if (ioctl(zr->vdes, MJPIOC_QBUF_PLAY, &zr->frame) < 0)
280 mp_msg(MSGT_VO, MSGL_ERR, "zr: error stopping playback of last frame\n");
281 if (munmap(zr->buf,zr->zrq.count*zr->zrq.size))
282 mp_msg(MSGT_VO, MSGL_ERR, "zr: error unmapping buffer\n");
283 close(zr->vdes);
284 }
285
286 int zr_geometry_sane(geo_t *g, unsigned int width, unsigned int height) {
287 if (g->set) {
288 if (g->width%2 != 0 || g->height%2 != 0 ||
289 g->xoff%2 != 0 || g->yoff%2 != 0) {
290 mp_msg(MSGT_VO, MSGL_ERR, "zr: arguments in -zrcrop must be multiples of 2\n");
291 return 1;
292 }
293 if (g->width <= 0 || g->height <= 0 ||
294 g->xoff < 0 || g->yoff < 0) {
295 mp_msg(MSGT_VO, MSGL_ERR, "zr: width and height must be positive and offset nonnegative\n");
296 return 1;
297 }
298 if (g->width + g->xoff > width) {
299 mp_msg(MSGT_VO, MSGL_ERR, "zr: width+xoffset (%d+%d>%d) is too big\n", g->width, g->xoff, width);
300 return 1;
301 }
302 if (g->height + g->yoff > height) {
303 mp_msg(MSGT_VO, MSGL_ERR, "zr: height+yoffset (%d+%d>%d) is too big\n", g->height, g->yoff, height);
304 return 1;
305 }
306 } else {
307 g->width = width;
308 g->height = height;
309 g->xoff = 0;
310 g->yoff = 0;
311 g->set = 1;
312 }
313 return 0;
314 }
315
316
317 static int config(uint32_t width, uint32_t height, uint32_t d_width,
318 uint32_t d_height, uint32_t flags, char *title, uint32_t format)
319 {
320 int i, tmp, stretchx, stretchy;
321 framenum = 0;
322 if (format != IMGFMT_YV12 && format != IMGFMT_YUY2) {
323 printf("vo_zr called with wrong format");
324 return 1;
325 }
326 for (i = 0; i < zr_count; i++) {
327 zr_info_t *zr = &zr_info[i];
328 geo_t *g = &zr->g;
329
330 zr->stride = 2*width;
331 if (zr_geometry_sane(g, width, height)) return 1;
332
333 /* we must know the maximum resolution of the device
334 * it differs for DC10+ and buz for example */
335 zoran_getcap(zr); /*must be called before init_zoran */
336 /* make the scaling decision
337 * we are capable of stretching the image in the horizontal
338 * direction by factors 1, 2 and 4
339 * we can stretch the image in the vertical direction by a
340 * factor of 1 and 2 AND we must decide about interlacing */
341 if (g->width > zr->vc.maxwidth/2 ||
342 g->height > zr->vc.maxheight/2) {
343 stretchx = 1;
344 stretchy = 1;
345 zr->fields = 2;
346 if (zr->vdec == 2) {
347 zr->fields = 1;
348 } else if (zr->vdec == 4) {
349 zr->fields = 1;
350 stretchy = 2;
351 }
352 stretchx = zr->hdec;
353 } else if (g->width > zr->vc.maxwidth/4 ||
354 g->height > zr->vc.maxheight/4) {
355 stretchx = 2;
356 stretchy = 1;
357 zr->fields = 1;
358 if (zr->vdec == 2) {
359 stretchy = 2;
360 } else if (zr->vdec == 4) {
361 if (!zr->fd) {
362 mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 2 (use -zrfd to keep vdec=4)\n");
363 zr->vdec = 2;
364 }
365 stretchy = 2;
366 }
367 if (zr->hdec == 2) {
368 stretchx = 4;
369 } else if (zr->hdec == 4){
370 if (!zr->fd) {
371 mp_msg(MSGT_VO, MSGL_WARN, "zr: horizontal decimation too high, changing to 2 (use -zrfd to keep hdec=4)\n");
372 zr->hdec = 2;
373 }
374 stretchx = 4;
375 }
376 } else {
377 /* output image is maximally stretched */
378 stretchx = 4;
379 stretchy = 2;
380 zr->fields = 1;
381 if (zr->vdec != 1 && !zr->fd) {
382 mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep vdec=%d)\n", zr->vdec);
383 zr->vdec = 1;
384 }
385 if (zr->hdec != 1 && !zr->fd) {
386 mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep hdec=%d)\n", zr->hdec);
387 zr->hdec = 1;
388 }
389 }
390 /* It can be that the original frame was too big for display,
391 * or that the width of the decimated image (for example) after
392 * padding up to a multiple of 16 has become too big. (orig
393 * width 720 (exactly right for the Buz) after decimation 360,
394 * after padding up to a multiple of 16 368, display 736 -> too
395 * large). In these situations we auto(re)crop. */
396 tmp = 16*((g->width - 1)/(zr->hdec*16) + 1);
397 if (stretchx*tmp > zr->vc.maxwidth) {
398 g->xoff += 2*((g->width - zr->hdec*(tmp-16))/4);
399 /* g->off must be a multiple of 2 */
400 g->width = zr->hdec*(tmp - 16);
401 g->set = 0; /* we abuse this field to
402 report that g has changed*/
403 }
404 tmp = 8*zr->fields*((g->height - 1)/(zr->vdec*zr->fields*8)+1);
405 if (stretchy*tmp > zr->vc.maxheight) {
406 g->yoff += 2*((g->height - zr->vdec*
407 (tmp - 8*zr->fields))/4);
408 g->height = zr->vdec*(tmp - 8*zr->fields);
409 g->set = 0;
410 }
411 if (!g->set)
412 mp_msg(MSGT_VO, MSGL_V, "zr: auto(re)cropping %dx%d+%d+%d to make the image fit on the screen\n", g->width, g->height, g->xoff, g->yoff);
413
414 /* the height must be a multiple of fields*8 and the width
415 * must be a multiple of 16 */
416 /* add some black borders to make it so, and center the image*/
417 zr->image_height = zr->fields*8*((g->height/zr->vdec - 1)/
418 (zr->fields*8) + 1);
419 zr->image_width = (zr->hdec*16)*((g->width - 1)/(zr->hdec*16) + 1);
420 zr->off_y = (zr->image_height - g->height/zr->vdec)/2;
421 if (zr->off_y%2 != 0) zr->off_y++;
422 zr->off_y *= zr->image_width;
423 zr->off_c = zr->off_y/4;
424 zr->off_y += (zr->image_width - g->width)/2;
425 if (zr->off_y%2 != 0) zr->off_y--;
426 zr->off_c += (zr->image_width - g->width)/4;
427 zr->size = zr->image_width*zr->image_height;
428 mp_msg(MSGT_VO, MSGL_V, "zr: input: %dx%d, cropped: %dx%d, output: %dx%d, off_y=%d, off_c=%d\n", width, height, g->width, g->height, zr->image_width, zr->image_height, zr->off_y, zr->off_c);
429
430 zr->image = malloc(2*zr->size); /* this buffer allows for YUV422 data,
431 * so it is a bit too big for YUV420 */
432 if (!zr->image) {
433 mp_msg(MSGT_VO, MSGL_ERR, "zr: Memory exhausted\n");
434 return 1;
435 }
436 /* and make sure that the borders are _really_ black */
437 switch (format) {
438 case IMGFMT_YV12:
439 memset(zr->image, 0, zr->size);
440 memset(zr->image + zr->size, 0x80, zr->size/4);
441 memset(zr->image + 3*zr->size/2, 0x80, zr->size/4);
442 zr->y_data = zr->image;
443 zr->u_data = zr->image + zr->size;
444 zr->v_data = zr->image + 3*zr->size/2;
445
446 zr->y_stride = zr->image_width;
447 zr->u_stride = zr->image_width/2;
448 zr->v_stride = zr->image_width/2;
449
450 zr->j = jpeg_enc_init(zr->image_width/zr->hdec,
451 zr->image_height/zr->fields,
452 zr->hdec, zr->y_stride*zr->fields,
453 zr->hdec, zr->u_stride*zr->fields,
454 zr->hdec, zr->v_stride*zr->fields,
455 1, zr->quality, zr->bw);
456 break;
457 case IMGFMT_YUY2:
458 for (tmp = 0; tmp < 2*zr->size; tmp+=4) {
459 zr->image[tmp] = 0;
460 zr->image[tmp+1] = 0x80;
461 zr->image[tmp+2] = 0;
462 zr->image[tmp+3] = 0x80;
463 }
464
465 zr->y_data = zr->image;
466 zr->u_data = zr->image + 1;
467 zr->v_data = zr->image + 3;
468
469 zr->y_stride = 2*zr->image_width;
470 zr->u_stride = 2*zr->image_width;
471 zr->v_stride = 2*zr->image_width;
472
473 zr->j = jpeg_enc_init(zr->image_width/zr->hdec,
474 zr->image_height/zr->fields,
475 zr->hdec*2,
476 zr->y_stride*zr->fields,
477 zr->hdec*4,
478 zr->u_stride*zr->fields,
479 zr->hdec*4,
480 zr->v_stride*zr->fields,
481 0, zr->quality, zr->bw);
482 break;
483 default:
484 mp_msg(MSGT_VO, MSGL_FATAL, "zr: internal inconsistency in vo_zr\n");
485 }
486
487
488 if (zr->j == NULL) {
489 mp_msg(MSGT_VO, MSGL_ERR, "zr: error initializing the jpeg encoder\n");
490 return 1;
491 }
492
493 if (init_zoran(zr, stretchx, stretchy)) {
494 return 1;
495 }
496
497 }
498 return 0;
499 }
500
501 static void draw_osd(void) {
502 }
503
504 static void flip_page (void) {
505 int i, j, k;
506 //FILE *fp;
507 //char filename[100];
508 /* do we have a free buffer? */
509 for (j = 0; j < zr_count; j++) {
510 zr_info_t *zr = &zr_info[j];
511 /* using MJPEG_NBUFFERS here, using the real number of
512 * buffers may give sync issues (real number of buffers
513 * is always sufficient) */
514 if (zr->queue-zr->synco < MJPEG_NBUFFERS) {
515 zr->frame = zr->queue;
516 } else {
517 if (ioctl(zr->vdes, MJPIOC_SYNC, &zr->zs) < 0)
518 mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
519 zr->frame = zr->zs.frame;
520 zr->synco++;
521 }
522 k=0;
523 for (i = 0; i < zr->fields; i++)
524 k+=jpeg_enc_frame(zr->j, zr->y_data + i*zr->y_stride,
525 zr->u_data + i*zr->u_stride,
526 zr->v_data + i*zr->v_stride,
527 zr->buf + zr->frame*zr->zrq.size+k);
528 if (k > zr->zrq.size) mp_msg(MSGT_VO, MSGL_WARN, "zr: jpeg image too large for maximum buffer size. Lower the jpeg encoding\nquality or the resolution of the movie.\n");
529 }
530 /* Warning: Only the first jpeg image contains huffman- and
531 * quantisation tables, so don't expect files other than
532 * test0001.jpg to be readable */
533 /*sprintf(filename, "test%04d.jpg", framenum);
534 fp = fopen(filename, "w");
535 if (!fp) exit(1);
536 fwrite(buf+frame*zrq.size, 1, k, fp);
537 fclose(fp);*/
538 /*fp = fopen("test1.jpg", "r");
539 fread(buf+frame*zrq.size, 1, 2126, fp);
540 fclose(fp);*/
541
542 for (j = 0; j < zr_count; j++) {
543 zr_info_t *zr = &zr_info[j];
544 if (ioctl(zr->vdes, MJPIOC_QBUF_PLAY, &zr->frame) < 0)
545 mp_msg(MSGT_VO, MSGL_ERR, "zr: error queueing buffer for playback\n");
546 zr->queue++;
547 }
548
549 framenum++;
550 return;
551 }
552
553 static int draw_frame(uint8_t * src[]) {
554 int i, j;
555 char *source, *dest;
556 //printf("draw frame called\n");
557 for (j = 0; j < zr_count; j++) {
558 zr_info_t *zr = &zr_info[j];
559 geo_t *g = &zr->g;
560 source = src[0] + 2*g->yoff*zr->vdec*zr->stride + 2*g->xoff;
561 dest = zr->image + 2*zr->off_y;
562 for (i = 0; i < g->height/zr->vdec; i++) {
563 fast_memcpy(dest, source, zr->image_width*2);
564 dest += 2*zr->image_width;
565 source += zr->vdec*zr->stride;
566 }
567 }
568 return 0;
569 }
570
571 static int query_format(uint32_t format) {
572 if(format==IMGFMT_YV12 || format==IMGFMT_YUY2)
573 return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
574 return 0;
575 }
576
577 static void uninit(void) {
578 int j;
579 mp_msg(MSGT_VO, MSGL_V, "zr: uninit called\n");
580 for (j = 0; j < zr_count; j++) {
581 jpeg_enc_uninit(zr_info[j].j);
582 uninit_zoran(&zr_info[j]);
583 }
584 }
585
586 static void check_events(void) {
587 }
588
589
590 static int draw_slice(uint8_t *srcimg[], int stride[],
591 int wf, int hf, int xf, int yf) {
592 int i, j, w, h, x, y;
593 /* Apply 'geometry', crop unwanted parts */
594 uint8_t *dst;
595 //printf("before: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
596 for (j = 0; j < zr_count; j++) {
597 uint8_t *src=srcimg[0];
598 uint8_t *src1=srcimg[1];
599 uint8_t *src2=srcimg[2];
600 zr_info_t *zr = &zr_info[j];
601 geo_t *g = &zr->g;
602 w = wf; h = hf; x = xf; y = yf;
603 if (x < g->xoff) {
604 src += g->xoff - x;
605 src1 += (g->xoff - x)/2;
606 src2 += (g->xoff - x)/2;
607 w -= g->xoff - x;
608 if (w < 0) break; //return 0;
609 x = 0 /*g.xoff*/;
610 } else {
611 x -= g->xoff;
612 }
613 if (x + w > g->width) {
614 w = g->width - x;
615 if (w < 0) break; //return 0;
616 }
617 if (y < g->yoff) {
618 src += (g->yoff - y)*stride[0];
619 src1 += ((g->yoff - y)/2)*stride[1];
620 src2 += ((g->yoff - y)/2)*stride[2];
621 h -= g->yoff - y;
622 if (h < 0) break; //return 0;
623 y = 0;
624 } else {
625 y -= g->yoff;
626 }
627 if (y + h > g->height) {
628 h = g->height - y;
629 if (h < 0) break; //return 0;
630 }
631 //printf("after: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
632 dst=zr->image + zr->off_y + zr->image_width*(y/zr->vdec)+x;
633 // copy Y:
634 for (i = 0; i < h; i++) {
635 if ((i + x)%zr->vdec == 0) {
636 fast_memcpy(dst,src,w);
637 dst+=zr->image_width;
638 }
639 src+=stride[0];
640
641 }
642 if (!zr->bw) {
643 // copy U+V:
644 uint8_t *dst1=zr->image + zr->size + zr->off_c+ (y/(zr->vdec*2))*zr->image_width/2+(x/2);
645 uint8_t *dst2=zr->image + 3*zr->size/2 + zr->off_c +
646 (y/(zr->vdec*2))*
647 zr->image_width/2+(x/2);
648 for (i = 0; i< h/2; i++) {
649 if ((i+x/2)%zr->vdec == 0) {
650 fast_memcpy(dst1,src1,w/2);
651 fast_memcpy(dst2,src2,w/2);
652 dst1+=zr->image_width/2;
653 dst2+=zr->image_width/2;
654 }
655 src1+=stride[1];
656 src2+=stride[2];
657 }
658 }
659 }
660 return 0;
661 }
662
663
664 /* copied and adapted from vo_aa_parseoption */
665 int
666 vo_zr_parseoption(const m_option_t* conf, const char *opt, const char *param){
667 /* got an option starting with zr */
668 zr_info_t *zr = &zr_info[zr_parsing];
669 int i;
670 /* do WE need it ?, always */
671 if (!strcasecmp(opt, "zrdev")) {
672 if (param == NULL) return ERR_MISSING_PARAM;
673 //if ((i=getcolor(param))==-1) return ERR_OUT_OF_RANGE;
674 //aaopt_osdcolor=i;
675 free(zr->device);
676 zr->device = malloc(strlen(param)+1);
677 strcpy(zr->device, param);
678 mp_msg(MSGT_VO, MSGL_V, "zr: using device %s\n", zr->device);
679 return 1;
680 } else if (!strcasecmp(opt, "zrbw")) {
681 if (param != NULL) {
682 return ERR_OUT_OF_RANGE;
683 }
684 zr->bw = 1;
685 return 1;
686 } else if (!strcasecmp(opt, "zrfd")) {
687 if (param != NULL) {
688 return ERR_OUT_OF_RANGE;
689 }
690 zr->fd = 1;
691 return 1;
692 } else if (!strcasecmp(opt, "zrcrop")){
693 geo_t *g = &zr->g;
694 if (g->set == 1) {
695 zr_parsing++;
696 zr_count++;
697 zr = &zr_info[zr_parsing];
698 g = &zr->g;
699 if (zr_count > 4) {
700 mp_msg(MSGT_VO, MSGL_ERR, "zr: too many simultaneus display devices requested (max. is 4)\n");
701 return ERR_OUT_OF_RANGE;
702 }
703 }
704 if (param == NULL) return ERR_MISSING_PARAM;
705 if (sscanf(param, "%dx%d+%d+%d", &g->width, &g->height,
706 &g->xoff, &g->yoff) != 4) {
707 g->xoff = 0; g->yoff = 0;
708 if (sscanf(param, "%dx%d", &g->width, &g->height) != 2) {
709 mp_msg(MSGT_VO, MSGL_ERR, "zr: argument to -zrcrop must be of the form 352x288+16+0\n");
710 return ERR_OUT_OF_RANGE;
711 }
712 }
713 g->set = 1;
714 mp_msg(MSGT_VO, MSGL_V, "zr: cropping %s\n", param);
715 return 1;
716 }else if (!strcasecmp(opt, "zrhdec")) {
717 i = atoi(param);
718 if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
719 zr->hdec = i;
720 return 1;
721 }else if (!strcasecmp(opt, "zrvdec")) {
722 i = atoi(param);
723 if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
724 zr->vdec = i;
725 return 1;
726 }else if (!strcasecmp(opt, "zrxdoff")) {
727 i = atoi(param);
728 zr->xdoff = i;
729 return 1;
730 }else if (!strcasecmp(opt, "zrydoff")) {
731 i = atoi(param);
732 zr->ydoff = i;
733 return 1;
734 }else if (!strcasecmp(opt, "zrquality")) {
735 i = atoi(param);
736 if (i < 1 || i > 20) return ERR_OUT_OF_RANGE;
737 zr->quality = i;
738 return 1;
739 }else if (!strcasecmp(opt, "zrnorm")) {
740 if (param == NULL) return ERR_MISSING_PARAM;
741 if (!strcasecmp(param, "NTSC")) {
742 mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to NTSC\n");
743 zr->norm = VIDEO_MODE_NTSC;
744 return 1;
745 } else if (!strcasecmp(param, "PAL")) {
746 mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to PAL\n");
747 zr->norm = VIDEO_MODE_PAL;
748 return 1;
749 } else {
750 return ERR_OUT_OF_RANGE;
751 }
752 }else if (!strcasecmp(opt, "zrhelp")){
753 printf("Help for -vo zr: Zoran ZR360[56]7/ZR36060 based MJPEG capture/playback cards\n");
754 printf("\n");
755 printf("Here are the zr options:\n");
756 printf(
757 "\n"
758 " -zrcrop specify part of the input image that\n"
759 " you want to see as an x-style geometry string\n"
760 " example: -zrcrop 352x288+16+0\n"
761 " -zrvdec vertical decimation 1, 2 or 4\n"
762 " -zrhdec horizontal decimation 1, 2 or 4\n"
763 " -zrfd decimation is only done if the primitive\n"
764 " hardware upscaler can correct for the decimation,\n"
765 " this switch allows you to see the effects\n"
766 " of too much decimation\n"
767 " -zrbw display in black&white (speed increase)\n"
768 " -zrxdoff x offset from upper-left of TV screen (default is 'centered')\n"
769 " -zrydoff y offset from upper-left of TV screen (default is 'centered')\n"
770 " -zrquality jpeg compression quality [BEST] 1 - 20 [VERY BAD]\n"
771 " -zrdev playback device (example -zrdev /dev/video1)\n"
772 " -zrnorm specify norm PAL/NTSC (default: leave at current setting)\n"
773 "\n"
774 "Cinerama support: additional occurances of -zrcrop activate cinerama mode,\n"
775 "suppose you have a 704x272 movie, two DC10+ cards and two beamers (or tv's),\n"
776 "then you would issue the following command:\n\n"
777 "mplayer -vo zr -zrcrop 352x272+0+0 -zrdev /dev/video0 -zrcrop 352x272+352+0 \\\n"
778 " -zrdev /dev/video1 movie.avi\n\n"
779 "Options appearing after the second -zrcrop apply to the second card, it is\n"
780 "possible to dispay at a different jpeg quality or at different decimations.\n\n"
781 "The parameters -zrxdoff and -zrydoff can be used to align the two images.\n"
782 "The maximum number of zoran cards participating in cinerama is 4, so you can\n"
783 "build a 2x2 vidiwall. (untested for obvious reasons, the setup wit a buz and\n"
784 "a DC10+ (and no beamers) is tested, however)\n"
785 );
786 exit(0);
787
788 }
789 return ERR_NOT_AN_OPTION;
790 }
791
792 void vo_zr_revertoption(const m_option_t* opt,const char* param) {
793
794 zr_info_t *zr = &zr_info[1];
795 zr_count = 1;
796 zr_parsing = 0;
797
798 if (!strcasecmp(param, "zrdev")) {
799 if(zr->device)
800 free(zr->device);
801 zr->device=NULL;
802 } else if (!strcasecmp(param, "zrbw"))
803 zr->bw=0;
804 else if (!strcasecmp(param, "zrfd"))
805 zr->fd=0;
806 else if (!strcasecmp(param, "zrcrop"))
807 zr->g.set = zr->g.xoff = zr->g.yoff = 0;
808 else if (!strcasecmp(param, "zrhdec"))
809 zr->hdec = 1;
810 else if (!strcasecmp(param, "zrvdec"))
811 zr->vdec = 1;
812 else if (!strcasecmp(param, "zrxdoff"))
813 zr->xdoff = -1;
814 else if (!strcasecmp(param, "zrydoff"))
815 zr->ydoff = -1;
816 else if (!strcasecmp(param, "zrquality"))
817 zr->quality = 2;
818 else if (!strcasecmp(param, "zrnorm"))
819 zr->norm = VIDEO_MODE_AUTO;
820
821 }
822
823 static int preinit(const char *arg)
824 {
825 if(arg)
826 {
827 printf("vo_zr: Unknown subdevice: %s\n",arg);
828 return ENOSYS;
829 }
830 return 0;
831 }
832
833 static int control(uint32_t request, void *data, ...)
834 {
835 switch (request) {
836 case VOCTRL_QUERY_FORMAT:
837 return query_format(*((uint32_t*)data));
838 }
839 return VO_NOTIMPL;
840 }
mplayer with SMedia Glamo drivers