1 /* 2 * Copyright (C) 2003 3 * Hidetoshi Shimokawa. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * 16 * This product includes software developed by Hidetoshi Shimokawa. 17 * 18 * 4. Neither the name of the author nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD: src/usr.sbin/fwcontrol/fwdv.c$ 35 */ 36 #include <sys/param.h> 37 #ifndef __HAIKU__ 38 #include <sys/ioctl.h> 39 #endif 40 #include <sys/time.h> 41 #include <sys/types.h> 42 #include <sys/uio.h> 43 44 #if __FreeBSD_version >= 500000 || defined(__HAIKU__) 45 #include <arpa/inet.h> 46 #endif 47 48 #include <err.h> 49 #include <errno.h> 50 #include <unistd.h> 51 #include <fcntl.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #ifdef __HAIKU__ 56 #include <stdint.h> 57 #include <strings.h> 58 #include <endian.h> 59 #include "firewire.h" 60 #include "iec68113.h" 61 #else 62 #include <sysexits.h> 63 64 #include <dev/firewire/firewire.h> 65 #include <dev/firewire/iec68113.h> 66 #endif 67 68 #include "fwmethods.h" 69 70 #define DEBUG 0 71 #define FIX_FRAME 1 72 73 struct frac { 74 int n,d; 75 }; 76 77 struct frac frame_cycle[2] = { 78 {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ 79 {320, 1}, /* PAL 8000 cycle / 25 Hz */ 80 }; 81 int npackets[] = { 82 250 /* NTSC */, 83 300 /* PAL */ 84 }; 85 struct frac pad_rate[2] = { 86 {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ 87 {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ 88 }; 89 char *system_name[] = {"NTSC", "PAL"}; 90 int frame_rate[] = {30, 25}; 91 92 #define PSIZE 512 93 #define DSIZE 480 94 #define NCHUNK 64 95 96 #define NPACKET_R 256 97 #define NPACKET_T 255 98 #define TNBUF 100 /* XXX too large value causes block noise */ 99 #define NEMPTY 10 /* depends on TNBUF */ 100 #define RBUFSIZE (PSIZE * NPACKET_R) 101 #define MAXBLOCKS (300) 102 #define CYCLE_FRAC 0xc00 103 104 void 105 dvrecv(int d, const char *filename, char ich, int count) 106 { 107 struct fw_isochreq isoreq; 108 struct fw_isobufreq bufreq; 109 struct dvdbc *dv; 110 struct ciphdr *ciph; 111 struct fw_pkt *pkt; 112 char *pad, *buf; 113 u_int32_t *ptr; 114 int len, tlen, npad, fd, k, m, vec, system = -1, nb; 115 int nblocks[] = {250 /* NTSC */, 300 /* PAL */}; 116 struct iovec wbuf[NPACKET_R]; 117 118 if(strcmp(filename, "-") == 0) { 119 fd = STDOUT_FILENO; 120 } else { 121 fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660); 122 if (fd == -1) 123 err(EX_NOINPUT, "%s", filename); 124 } 125 buf = malloc(RBUFSIZE); 126 pad = malloc(DSIZE*MAXBLOCKS); 127 memset(pad, 0xff, DSIZE*MAXBLOCKS); 128 bzero(wbuf, sizeof(wbuf)); 129 130 bufreq.rx.nchunk = NCHUNK; 131 bufreq.rx.npacket = NPACKET_R; 132 bufreq.rx.psize = PSIZE; 133 bufreq.tx.nchunk = 0; 134 bufreq.tx.npacket = 0; 135 bufreq.tx.psize = 0; 136 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 137 err(1, "ioctl FW_SSTBUF"); 138 139 isoreq.ch = ich & 0x3f; 140 isoreq.tag = (ich >> 6) & 3; 141 142 if (ioctl(d, FW_SRSTREAM, &isoreq) < 0) 143 err(1, "ioctl"); 144 145 k = m = 0; 146 while (count <= 0 || k <= count) { 147 #if 0 148 tlen = 0; 149 while ((len = read(d, buf + tlen, PSIZE 150 /* RBUFSIZE - tlen */)) > 0) { 151 if (len < 0) { 152 if (errno == EAGAIN) { 153 fprintf(stderr, "(EAGAIN)\n"); 154 fflush(stderr); 155 if (len <= 0) 156 continue; 157 } else 158 err(1, "read failed"); 159 } 160 tlen += len; 161 if ((RBUFSIZE - tlen) < PSIZE) 162 break; 163 }; 164 #else 165 tlen = len = read(d, buf, RBUFSIZE); 166 if (len < 0) { 167 if (errno == EAGAIN) { 168 fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); 169 fflush(stderr); 170 if (len <= 0) 171 continue; 172 } else 173 err(1, "read failed"); 174 } 175 #endif 176 vec = 0; 177 ptr = (u_int32_t *) buf; 178 again: 179 pkt = (struct fw_pkt *) ptr; 180 #if DEBUG 181 fprintf(stderr, "%08x %08x %08x %08x\n", 182 htonl(ptr[0]), htonl(ptr[1]), 183 htonl(ptr[2]), htonl(ptr[3])); 184 #endif 185 ciph = (struct ciphdr *)(ptr + 1); /* skip iso header */ 186 if (ciph->fmt != CIP_FMT_DVCR) 187 errx(1, "unknown format 0x%x", ciph->fmt); 188 ptr = (u_int32_t *) (ciph + 1); /* skip cip header */ 189 #if DEBUG 190 if (ciph->fdf.dv.cyc != 0xffff && k == 0) { 191 fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc)); 192 } 193 #endif 194 if (pkt->mode.stream.len <= sizeof(struct ciphdr)) 195 /* no payload */ 196 goto next; 197 for (dv = (struct dvdbc *)ptr; 198 (char *)dv < (char *)(ptr + ciph->len); 199 dv+=6) { 200 201 #if DEBUG 202 fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq); 203 #endif 204 if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) { 205 if (system < 0) { 206 system = ciph->fdf.dv.fs; 207 fprintf(stderr, "%s\n", system_name[system]); 208 } 209 210 /* Fix DSF bit */ 211 if (system == 1 && 212 (dv->payload[0] & DV_DSF_12) == 0) 213 dv->payload[0] |= DV_DSF_12; 214 nb = nblocks[system]; 215 fprintf(stderr, "%d:%02d:%02d %d\r", 216 k / (3600 * frame_rate[system]), 217 (k / (60 * frame_rate[system])) % 60, 218 (k / frame_rate[system]) % 60, 219 k % frame_rate[system]); 220 221 #if FIX_FRAME 222 if (m > 0 && m != nb) { 223 /* padding bad frame */ 224 npad = ((nb - m) % nb); 225 if (npad < 0) 226 npad += nb; 227 fprintf(stderr, "\n%d blocks padded\n", 228 npad); 229 npad *= DSIZE; 230 wbuf[vec].iov_base = pad; 231 wbuf[vec++].iov_len = npad; 232 if (vec >= NPACKET_R) { 233 writev(fd, wbuf, vec); 234 vec = 0; 235 } 236 } 237 #endif 238 k++; 239 fflush(stderr); 240 m = 0; 241 } 242 if (k == 0 || (count > 0 && k > count)) 243 continue; 244 m++; 245 wbuf[vec].iov_base = (char *) dv; 246 wbuf[vec++].iov_len = DSIZE; 247 if (vec >= NPACKET_R) { 248 writev(fd, wbuf, vec); 249 vec = 0; 250 } 251 } 252 ptr = (u_int32_t *)dv; 253 next: 254 if ((char *)ptr < buf + tlen) 255 goto again; 256 if (vec > 0) 257 writev(fd, wbuf, vec); 258 } 259 if (fd != STDOUT_FILENO) 260 close(fd); 261 fprintf(stderr, "\n"); 262 } 263 264 265 void 266 dvsend(int d, const char *filename, char ich, int count) 267 { 268 struct fw_isochreq isoreq; 269 struct fw_isobufreq bufreq; 270 struct dvdbc *dv; 271 struct fw_pkt *pkt; 272 int len, tlen, header, fd, frames, packets, vec, offset, nhdr, i; 273 int system=-1, pad_acc, cycle_acc, cycle, f_cycle, f_frac; 274 struct iovec wbuf[TNBUF*2 + NEMPTY]; 275 char *pbuf; 276 u_int32_t iso_data, iso_empty, hdr[TNBUF + NEMPTY][3]; 277 struct ciphdr *ciph; 278 struct timeval start, end; 279 double rtime; 280 281 fd = open(filename, O_RDONLY); 282 if (fd == -1) 283 err(EX_NOINPUT, "%s", filename); 284 285 pbuf = malloc(DSIZE * TNBUF); 286 bzero(wbuf, sizeof(wbuf)); 287 288 bufreq.rx.nchunk = 0; 289 bufreq.rx.npacket = 0; 290 bufreq.rx.psize = 0; 291 bufreq.tx.nchunk = NCHUNK; 292 bufreq.tx.npacket = NPACKET_T; 293 bufreq.tx.psize = PSIZE; 294 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 295 err(1, "ioctl FW_SSTBUF"); 296 297 isoreq.ch = ich & 0x3f; 298 isoreq.tag = (ich >> 6) & 3; 299 300 if (ioctl(d, FW_STSTREAM, &isoreq) < 0) 301 err(1, "ioctl FW_STSTREAM"); 302 303 iso_data = 0; 304 pkt = (struct fw_pkt *) &iso_data; 305 pkt->mode.stream.len = DSIZE + sizeof(struct ciphdr); 306 pkt->mode.stream.sy = 0; 307 pkt->mode.stream.tcode = FWTCODE_STREAM; 308 pkt->mode.stream.chtag = ich; 309 iso_empty = iso_data; 310 pkt = (struct fw_pkt *) &iso_empty; 311 pkt->mode.stream.len = sizeof(struct ciphdr); 312 313 bzero(hdr[0], sizeof(hdr[0])); 314 hdr[0][0] = iso_data; 315 ciph = (struct ciphdr *)&hdr[0][1]; 316 ciph->src = 0; /* XXX */ 317 ciph->len = 120; 318 ciph->dbc = 0; 319 ciph->eoh1 = 1; 320 ciph->fdf.dv.cyc = 0xffff; 321 322 for (i = 1; i < TNBUF; i++) 323 bcopy(hdr[0], hdr[i], sizeof(hdr[0])); 324 325 gettimeofday(&start, NULL); 326 #if DEBUG 327 fprintf(stderr, "%08x %08x %08x\n", 328 htonl(hdr[0]), htonl(hdr[1]), htonl(hdr[2])); 329 #endif 330 frames = 0; 331 packets = 0; 332 pad_acc = 0; 333 while (1) { 334 tlen = 0; 335 while (tlen < DSIZE * TNBUF) { 336 len = read(fd, pbuf + tlen, DSIZE * TNBUF - tlen); 337 if (len <= 0) { 338 if (tlen > 0) 339 break; 340 if (len < 0) 341 warn("read"); 342 else 343 fprintf(stderr, "\nend of file\n"); 344 goto send_end; 345 } 346 tlen += len; 347 } 348 vec = 0; 349 offset = 0; 350 nhdr = 0; 351 next: 352 dv = (struct dvdbc *)(pbuf + offset * DSIZE); 353 #if 0 354 header = (dv->sct == 0 && dv->dseq == 0); 355 #else 356 header = (packets == 0 || packets % npackets[system] == 0); 357 #endif 358 359 ciph = (struct ciphdr *)&hdr[nhdr][1]; 360 if (header) { 361 if (system < 0) { 362 system = ((dv->payload[0] & DV_DSF_12) != 0); 363 printf("%s\n", system_name[system]); 364 cycle = 1; 365 cycle_acc = frame_cycle[system].d * cycle; 366 } 367 fprintf(stderr, "%d", frames % 10); 368 frames ++; 369 if (count > 0 && frames > count) 370 break; 371 if (frames % frame_rate[system] == 0) 372 fprintf(stderr, "\n"); 373 fflush(stderr); 374 f_cycle = (cycle_acc / frame_cycle[system].d) & 0xf; 375 f_frac = (cycle_acc % frame_cycle[system].d 376 * CYCLE_FRAC) / frame_cycle[system].d; 377 #if 0 378 ciph->fdf.dv.cyc = htons(f_cycle << 12 | f_frac); 379 #else 380 ciph->fdf.dv.cyc = htons(cycle << 12 | f_frac); 381 #endif 382 cycle_acc += frame_cycle[system].n; 383 cycle_acc %= frame_cycle[system].d * 0x10; 384 385 } else { 386 ciph->fdf.dv.cyc = 0xffff; 387 } 388 ciph->dbc = packets++ % 256; 389 pad_acc += pad_rate[system].n; 390 if (pad_acc >= pad_rate[system].d) { 391 pad_acc -= pad_rate[system].d; 392 bcopy(hdr[nhdr], hdr[nhdr+1], sizeof(hdr[0])); 393 hdr[nhdr][0] = iso_empty; 394 wbuf[vec].iov_base = (char *)hdr[nhdr]; 395 wbuf[vec++].iov_len = sizeof(hdr[0]); 396 nhdr ++; 397 cycle ++; 398 } 399 hdr[nhdr][0] = iso_data; 400 wbuf[vec].iov_base = (char *)hdr[nhdr]; 401 wbuf[vec++].iov_len = sizeof(hdr[0]); 402 wbuf[vec].iov_base = (char *)dv; 403 wbuf[vec++].iov_len = DSIZE; 404 nhdr ++; 405 cycle ++; 406 offset ++; 407 if (offset * DSIZE < tlen) 408 goto next; 409 410 again: 411 len = writev(d, wbuf, vec); 412 if (len < 0) { 413 if (errno == EAGAIN) { 414 fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); 415 goto again; 416 } 417 err(1, "write failed"); 418 } 419 } 420 close(fd); 421 fprintf(stderr, "\n"); 422 send_end: 423 gettimeofday(&end, NULL); 424 rtime = end.tv_sec - start.tv_sec 425 + (end.tv_usec - start.tv_usec) * 1e-6; 426 fprintf(stderr, "%d frames, %.2f secs, %.2f frames/sec\n", 427 frames, rtime, frames/rtime); 428 } 429