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 * $FreeBSD$ 35 */ 36 #include <sys/param.h> 37 #include <sys/ioctl.h> 38 #include <sys/time.h> 39 #include <sys/types.h> 40 #include <sys/uio.h> 41 42 #if __FreeBSD_version >= 500000 43 #include <arpa/inet.h> 44 #endif 45 46 #include <err.h> 47 #include <errno.h> 48 #include <unistd.h> 49 #include <fcntl.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <sysexits.h> 54 55 #include <dev/firewire/firewire.h> 56 #include <dev/firewire/iec68113.h> 57 58 #include "fwmethods.h" 59 60 #define DEBUG 0 61 #define FIX_FRAME 1 62 63 struct frac { 64 int n,d; 65 }; 66 67 struct frac frame_cycle[2] = { 68 {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ 69 {320, 1}, /* PAL 8000 cycle / 25 Hz */ 70 }; 71 int npackets[] = { 72 250 /* NTSC */, 73 300 /* PAL */ 74 }; 75 struct frac pad_rate[2] = { 76 {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ 77 {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ 78 }; 79 char *system_name[] = {"NTSC", "PAL"}; 80 int frame_rate[] = {30, 25}; 81 82 #define PSIZE 512 83 #define DSIZE 480 84 #define NCHUNK 64 85 86 #define NPACKET_R 256 87 #define NPACKET_T 255 88 #define TNBUF 100 /* XXX too large value causes block noise */ 89 #define NEMPTY 10 /* depends on TNBUF */ 90 #define RBUFSIZE (PSIZE * NPACKET_R) 91 #define MAXBLOCKS (300) 92 #define CYCLE_FRAC 0xc00 93 94 void 95 dvrecv(int d, const char *filename, char ich, int count) 96 { 97 struct fw_isochreq isoreq; 98 struct fw_isobufreq bufreq; 99 struct dvdbc *dv; 100 struct ciphdr *ciph; 101 struct fw_pkt *pkt; 102 char *pad, *buf; 103 u_int32_t *ptr; 104 int len, tlen, npad, fd, k, m, vec, system = -1, nb; 105 int nblocks[] = {250 /* NTSC */, 300 /* PAL */}; 106 struct iovec wbuf[NPACKET_R]; 107 108 if(strcmp(filename, "-") == 0) { 109 fd = STDOUT_FILENO; 110 } else { 111 fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660); 112 if (fd == -1) 113 err(EX_NOINPUT, "%s", filename); 114 } 115 buf = malloc(RBUFSIZE); 116 pad = malloc(DSIZE*MAXBLOCKS); 117 memset(pad, 0xff, DSIZE*MAXBLOCKS); 118 bzero(wbuf, sizeof(wbuf)); 119 120 bufreq.rx.nchunk = NCHUNK; 121 bufreq.rx.npacket = NPACKET_R; 122 bufreq.rx.psize = PSIZE; 123 bufreq.tx.nchunk = 0; 124 bufreq.tx.npacket = 0; 125 bufreq.tx.psize = 0; 126 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 127 err(1, "ioctl FW_SSTBUF"); 128 129 isoreq.ch = ich & 0x3f; 130 isoreq.tag = (ich >> 6) & 3; 131 132 if (ioctl(d, FW_SRSTREAM, &isoreq) < 0) 133 err(1, "ioctl"); 134 135 k = m = 0; 136 while (count <= 0 || k <= count) { 137 #if 0 138 tlen = 0; 139 while ((len = read(d, buf + tlen, PSIZE 140 /* RBUFSIZE - tlen */)) > 0) { 141 if (len < 0) { 142 if (errno == EAGAIN) { 143 fprintf(stderr, "(EAGAIN)\n"); 144 fflush(stderr); 145 if (len <= 0) 146 continue; 147 } else 148 err(1, "read failed"); 149 } 150 tlen += len; 151 if ((RBUFSIZE - tlen) < PSIZE) 152 break; 153 }; 154 #else 155 tlen = len = read(d, buf, RBUFSIZE); 156 if (len < 0) { 157 if (errno == EAGAIN) { 158 fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); 159 fflush(stderr); 160 if (len <= 0) 161 continue; 162 } else 163 err(1, "read failed"); 164 } 165 #endif 166 vec = 0; 167 ptr = (u_int32_t *) buf; 168 again: 169 pkt = (struct fw_pkt *) ptr; 170 #if DEBUG 171 fprintf(stderr, "%08x %08x %08x %08x\n", 172 htonl(ptr[0]), htonl(ptr[1]), 173 htonl(ptr[2]), htonl(ptr[3])); 174 #endif 175 ciph = (struct ciphdr *)(ptr + 1); /* skip iso header */ 176 if (ciph->fmt != CIP_FMT_DVCR) 177 errx(1, "unknown format 0x%x", ciph->fmt); 178 ptr = (u_int32_t *) (ciph + 1); /* skip cip header */ 179 #if DEBUG 180 if (ciph->fdf.dv.cyc != 0xffff && k == 0) { 181 fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc)); 182 } 183 #endif 184 if (pkt->mode.stream.len <= sizeof(struct ciphdr)) 185 /* no payload */ 186 goto next; 187 for (dv = (struct dvdbc *)ptr; 188 (char *)dv < (char *)(ptr + ciph->len); 189 dv+=6) { 190 191 #if DEBUG 192 fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq); 193 #endif 194 if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) { 195 if (system < 0) { 196 system = ciph->fdf.dv.fs; 197 fprintf(stderr, "%s\n", system_name[system]); 198 } 199 200 /* Fix DSF bit */ 201 if (system == 1 && 202 (dv->payload[0] & DV_DSF_12) == 0) 203 dv->payload[0] |= DV_DSF_12; 204 nb = nblocks[system]; 205 fprintf(stderr, "%d:%02d:%02d %d\r", 206 k / (3600 * frame_rate[system]), 207 (k / (60 * frame_rate[system])) % 60, 208 (k / frame_rate[system]) % 60, 209 k % frame_rate[system]); 210 211 #if FIX_FRAME 212 if (m > 0 && m != nb) { 213 /* padding bad frame */ 214 npad = ((nb - m) % nb); 215 if (npad < 0) 216 npad += nb; 217 fprintf(stderr, "\n%d blocks padded\n", 218 npad); 219 npad *= DSIZE; 220 wbuf[vec].iov_base = pad; 221 wbuf[vec++].iov_len = npad; 222 if (vec >= NPACKET_R) { 223 writev(fd, wbuf, vec); 224 vec = 0; 225 } 226 } 227 #endif 228 k++; 229 fflush(stderr); 230 m = 0; 231 } 232 if (k == 0 || (count > 0 && k > count)) 233 continue; 234 m++; 235 wbuf[vec].iov_base = (char *) dv; 236 wbuf[vec++].iov_len = DSIZE; 237 if (vec >= NPACKET_R) { 238 writev(fd, wbuf, vec); 239 vec = 0; 240 } 241 } 242 ptr = (u_int32_t *)dv; 243 next: 244 if ((char *)ptr < buf + tlen) 245 goto again; 246 if (vec > 0) 247 writev(fd, wbuf, vec); 248 } 249 if (fd != STDOUT_FILENO) 250 close(fd); 251 fprintf(stderr, "\n"); 252 } 253 254 255 void 256 dvsend(int d, const char *filename, char ich, int count) 257 { 258 struct fw_isochreq isoreq; 259 struct fw_isobufreq bufreq; 260 struct dvdbc *dv; 261 struct fw_pkt *pkt; 262 int len, tlen, header, fd, frames, packets, vec, offset, nhdr, i; 263 int system=-1, pad_acc, cycle_acc, cycle, f_cycle, f_frac; 264 struct iovec wbuf[TNBUF*2 + NEMPTY]; 265 char *pbuf; 266 u_int32_t iso_data, iso_empty, hdr[TNBUF + NEMPTY][3]; 267 struct ciphdr *ciph; 268 struct timeval start, end; 269 double rtime; 270 271 fd = open(filename, O_RDONLY); 272 if (fd == -1) 273 err(EX_NOINPUT, "%s", filename); 274 275 pbuf = malloc(DSIZE * TNBUF); 276 bzero(wbuf, sizeof(wbuf)); 277 278 bufreq.rx.nchunk = 0; 279 bufreq.rx.npacket = 0; 280 bufreq.rx.psize = 0; 281 bufreq.tx.nchunk = NCHUNK; 282 bufreq.tx.npacket = NPACKET_T; 283 bufreq.tx.psize = PSIZE; 284 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 285 err(1, "ioctl FW_SSTBUF"); 286 287 isoreq.ch = ich & 0x3f; 288 isoreq.tag = (ich >> 6) & 3; 289 290 if (ioctl(d, FW_STSTREAM, &isoreq) < 0) 291 err(1, "ioctl FW_STSTREAM"); 292 293 iso_data = 0; 294 pkt = (struct fw_pkt *) &iso_data; 295 pkt->mode.stream.len = DSIZE + sizeof(struct ciphdr); 296 pkt->mode.stream.sy = 0; 297 pkt->mode.stream.tcode = FWTCODE_STREAM; 298 pkt->mode.stream.chtag = ich; 299 iso_empty = iso_data; 300 pkt = (struct fw_pkt *) &iso_empty; 301 pkt->mode.stream.len = sizeof(struct ciphdr); 302 303 bzero(hdr[0], sizeof(hdr[0])); 304 hdr[0][0] = iso_data; 305 ciph = (struct ciphdr *)&hdr[0][1]; 306 ciph->src = 0; /* XXX */ 307 ciph->len = 120; 308 ciph->dbc = 0; 309 ciph->eoh1 = 1; 310 ciph->fdf.dv.cyc = 0xffff; 311 312 for (i = 1; i < TNBUF; i++) 313 bcopy(hdr[0], hdr[i], sizeof(hdr[0])); 314 315 gettimeofday(&start, NULL); 316 #if DEBUG 317 fprintf(stderr, "%08x %08x %08x\n", 318 htonl(hdr[0]), htonl(hdr[1]), htonl(hdr[2])); 319 #endif 320 frames = 0; 321 packets = 0; 322 pad_acc = 0; 323 while (1) { 324 tlen = 0; 325 while (tlen < DSIZE * TNBUF) { 326 len = read(fd, pbuf + tlen, DSIZE * TNBUF - tlen); 327 if (len <= 0) { 328 if (tlen > 0) 329 break; 330 if (len < 0) 331 warn("read"); 332 else 333 fprintf(stderr, "\nend of file\n"); 334 goto send_end; 335 } 336 tlen += len; 337 } 338 vec = 0; 339 offset = 0; 340 nhdr = 0; 341 next: 342 dv = (struct dvdbc *)(pbuf + offset * DSIZE); 343 #if 0 344 header = (dv->sct == 0 && dv->dseq == 0); 345 #else 346 header = (packets == 0 || packets % npackets[system] == 0); 347 #endif 348 349 ciph = (struct ciphdr *)&hdr[nhdr][1]; 350 if (header) { 351 if (system < 0) { 352 system = ((dv->payload[0] & DV_DSF_12) != 0); 353 printf("%s\n", system_name[system]); 354 cycle = 1; 355 cycle_acc = frame_cycle[system].d * cycle; 356 } 357 fprintf(stderr, "%d", frames % 10); 358 frames ++; 359 if (count > 0 && frames > count) 360 break; 361 if (frames % frame_rate[system] == 0) 362 fprintf(stderr, "\n"); 363 fflush(stderr); 364 f_cycle = (cycle_acc / frame_cycle[system].d) & 0xf; 365 f_frac = (cycle_acc % frame_cycle[system].d 366 * CYCLE_FRAC) / frame_cycle[system].d; 367 #if 0 368 ciph->fdf.dv.cyc = htons(f_cycle << 12 | f_frac); 369 #else 370 ciph->fdf.dv.cyc = htons(cycle << 12 | f_frac); 371 #endif 372 cycle_acc += frame_cycle[system].n; 373 cycle_acc %= frame_cycle[system].d * 0x10; 374 375 } else { 376 ciph->fdf.dv.cyc = 0xffff; 377 } 378 ciph->dbc = packets++ % 256; 379 pad_acc += pad_rate[system].n; 380 if (pad_acc >= pad_rate[system].d) { 381 pad_acc -= pad_rate[system].d; 382 bcopy(hdr[nhdr], hdr[nhdr+1], sizeof(hdr[0])); 383 hdr[nhdr][0] = iso_empty; 384 wbuf[vec].iov_base = (char *)hdr[nhdr]; 385 wbuf[vec++].iov_len = sizeof(hdr[0]); 386 nhdr ++; 387 cycle ++; 388 } 389 hdr[nhdr][0] = iso_data; 390 wbuf[vec].iov_base = (char *)hdr[nhdr]; 391 wbuf[vec++].iov_len = sizeof(hdr[0]); 392 wbuf[vec].iov_base = (char *)dv; 393 wbuf[vec++].iov_len = DSIZE; 394 nhdr ++; 395 cycle ++; 396 offset ++; 397 if (offset * DSIZE < tlen) 398 goto next; 399 400 again: 401 len = writev(d, wbuf, vec); 402 if (len < 0) { 403 if (errno == EAGAIN) { 404 fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); 405 goto again; 406 } 407 err(1, "write failed"); 408 } 409 } 410 close(fd); 411 fprintf(stderr, "\n"); 412 send_end: 413 gettimeofday(&end, NULL); 414 rtime = end.tv_sec - start.tv_sec 415 + (end.tv_usec - start.tv_usec) * 1e-6; 416 fprintf(stderr, "%d frames, %.2f secs, %.2f frames/sec\n", 417 frames, rtime, frames/rtime); 418 } 419