1163611Sphk/* 2163611Sphk * Copyright (C) 2003 3163611Sphk * Hidetoshi Shimokawa. All rights reserved. 4163611Sphk * 5163611Sphk * Redistribution and use in source and binary forms, with or without 6163611Sphk * modification, are permitted provided that the following conditions 7163611Sphk * are met: 8163611Sphk * 1. Redistributions of source code must retain the above copyright 9163611Sphk * notice, this list of conditions and the following disclaimer. 10163611Sphk * 2. Redistributions in binary form must reproduce the above copyright 11163611Sphk * notice, this list of conditions and the following disclaimer in the 12163611Sphk * documentation and/or other materials provided with the distribution. 13163611Sphk * 3. All advertising materials mentioning features or use of this software 14163611Sphk * must display the following acknowledgement: 15163611Sphk * 16163611Sphk * This product includes software developed by Hidetoshi Shimokawa. 17163611Sphk * 18163611Sphk * 4. Neither the name of the author nor the names of its contributors 19163611Sphk * may be used to endorse or promote products derived from this software 20163611Sphk * without specific prior written permission. 21163611Sphk * 22163611Sphk * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23163611Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24163611Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25163611Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26163611Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27163611Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28163611Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29163611Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30163611Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31163611Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32163611Sphk * SUCH DAMAGE. 33163611Sphk * 34163611Sphk * $FreeBSD$ 35163611Sphk */ 36163611Sphk#include <sys/param.h> 37163611Sphk#include <sys/ioctl.h> 38163611Sphk#include <sys/time.h> 39163611Sphk#include <sys/types.h> 40163611Sphk#include <sys/uio.h> 41163611Sphk 42163611Sphk#if __FreeBSD_version >= 500000 43163611Sphk#include <arpa/inet.h> 44163611Sphk#endif 45163611Sphk 46163611Sphk#include <err.h> 47163611Sphk#include <errno.h> 48163611Sphk#include <unistd.h> 49163611Sphk#include <fcntl.h> 50163611Sphk#include <stdio.h> 51163646Sphk#include <stdlib.h> 52163646Sphk#include <string.h> 53163611Sphk#include <sysexits.h> 54163611Sphk 55163611Sphk#include <dev/firewire/firewire.h> 56163611Sphk#include <dev/firewire/iec68113.h> 57163611Sphk 58163611Sphk#include "fwmethods.h" 59163611Sphk 60163611Sphk#define DEBUG 0 61163611Sphk#define FIX_FRAME 1 62163611Sphk 63163611Sphkstruct frac { 64163611Sphk int n,d; 65163611Sphk}; 66163611Sphk 67163611Sphkstruct frac frame_cycle[2] = { 68163611Sphk {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ 69163611Sphk {320, 1}, /* PAL 8000 cycle / 25 Hz */ 70163611Sphk}; 71163611Sphkint npackets[] = { 72163611Sphk 250 /* NTSC */, 73163611Sphk 300 /* PAL */ 74163611Sphk}; 75163611Sphkstruct frac pad_rate[2] = { 76163611Sphk {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ 77163611Sphk {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ 78163611Sphk}; 79163611Sphkchar *system_name[] = {"NTSC", "PAL"}; 80163611Sphkint frame_rate[] = {30, 25}; 81163611Sphk 82163611Sphk#define PSIZE 512 83163611Sphk#define DSIZE 480 84163611Sphk#define NCHUNK 64 85163611Sphk 86163611Sphk#define NPACKET_R 256 87163611Sphk#define NPACKET_T 255 88163611Sphk#define TNBUF 100 /* XXX too large value causes block noise */ 89163611Sphk#define NEMPTY 10 /* depends on TNBUF */ 90163611Sphk#define RBUFSIZE (PSIZE * NPACKET_R) 91163611Sphk#define MAXBLOCKS (300) 92163611Sphk#define CYCLE_FRAC 0xc00 93163611Sphk 94163611Sphkvoid 95163611Sphkdvrecv(int d, const char *filename, char ich, int count) 96163611Sphk{ 97163611Sphk struct fw_isochreq isoreq; 98163611Sphk struct fw_isobufreq bufreq; 99163611Sphk struct dvdbc *dv; 100163611Sphk struct ciphdr *ciph; 101163611Sphk struct fw_pkt *pkt; 102163611Sphk char *pad, *buf; 103163611Sphk u_int32_t *ptr; 104163611Sphk int len, tlen, npad, fd, k, m, vec, system = -1, nb; 105163611Sphk int nblocks[] = {250 /* NTSC */, 300 /* PAL */}; 106163611Sphk struct iovec wbuf[NPACKET_R]; 107163611Sphk 108163611Sphk if(strcmp(filename, "-") == 0) { 109163611Sphk fd = STDOUT_FILENO; 110163611Sphk } else { 111163611Sphk fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660); 112163611Sphk if (fd == -1) 113163611Sphk err(EX_NOINPUT, "%s", filename); 114163611Sphk } 115163611Sphk buf = malloc(RBUFSIZE); 116163611Sphk pad = malloc(DSIZE*MAXBLOCKS); 117163611Sphk memset(pad, 0xff, DSIZE*MAXBLOCKS); 118163611Sphk bzero(wbuf, sizeof(wbuf)); 119163611Sphk 120163611Sphk bufreq.rx.nchunk = NCHUNK; 121163611Sphk bufreq.rx.npacket = NPACKET_R; 122163611Sphk bufreq.rx.psize = PSIZE; 123163611Sphk bufreq.tx.nchunk = 0; 124163611Sphk bufreq.tx.npacket = 0; 125163611Sphk bufreq.tx.psize = 0; 126163611Sphk if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 127163611Sphk err(1, "ioctl FW_SSTBUF"); 128163611Sphk 129163611Sphk isoreq.ch = ich & 0x3f; 130163611Sphk isoreq.tag = (ich >> 6) & 3; 131163611Sphk 132163611Sphk if (ioctl(d, FW_SRSTREAM, &isoreq) < 0) 133163611Sphk err(1, "ioctl"); 134163611Sphk 135163611Sphk k = m = 0; 136163611Sphk while (count <= 0 || k <= count) { 137163611Sphk#if 0 138163646Sphk tlen = 0; 139163611Sphk while ((len = read(d, buf + tlen, PSIZE 140163611Sphk /* RBUFSIZE - tlen */)) > 0) { 141163611Sphk if (len < 0) { 142163611Sphk if (errno == EAGAIN) { 143163611Sphk fprintf(stderr, "(EAGAIN)\n"); 144163646Sphk fflush(stderr); 145163646Sphk if (len <= 0) 146163611Sphk continue; 147163611Sphk } else 148163611Sphk err(1, "read failed"); 149163611Sphk } 150163611Sphk tlen += len; 151163611Sphk if ((RBUFSIZE - tlen) < PSIZE) 152163611Sphk break; 153163611Sphk }; 154163611Sphk#else 155163611Sphk tlen = len = read(d, buf, RBUFSIZE); 156163611Sphk if (len < 0) { 157163611Sphk if (errno == EAGAIN) { 158163611Sphk fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); 159163611Sphk fflush(stderr); 160163611Sphk if (len <= 0) 161163611Sphk continue; 162163611Sphk } else 163163611Sphk err(1, "read failed"); 164163611Sphk } 165163611Sphk#endif 166163611Sphk vec = 0; 167163611Sphk ptr = (u_int32_t *) buf; 168163611Sphkagain: 169163611Sphk pkt = (struct fw_pkt *) ptr; 170163611Sphk#if DEBUG 171163611Sphk fprintf(stderr, "%08x %08x %08x %08x\n", 172163611Sphk htonl(ptr[0]), htonl(ptr[1]), 173163611Sphk htonl(ptr[2]), htonl(ptr[3])); 174163611Sphk#endif 175163611Sphk ciph = (struct ciphdr *)(ptr + 1); /* skip iso header */ 176163611Sphk if (ciph->fmt != CIP_FMT_DVCR) 177163611Sphk errx(1, "unknown format 0x%x", ciph->fmt); 178163611Sphk ptr = (u_int32_t *) (ciph + 1); /* skip cip header */ 179163611Sphk#if DEBUG 180163611Sphk if (ciph->fdf.dv.cyc != 0xffff && k == 0) { 181163611Sphk fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc)); 182163611Sphk } 183163611Sphk#endif 184163611Sphk if (pkt->mode.stream.len <= sizeof(struct ciphdr)) 185163611Sphk /* no payload */ 186163611Sphk goto next; 187163611Sphk for (dv = (struct dvdbc *)ptr; 188163611Sphk (char *)dv < (char *)(ptr + ciph->len); 189163611Sphk dv+=6) { 190163611Sphk 191163611Sphk#if DEBUG 192163611Sphk fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq); 193163611Sphk#endif 194163611Sphk if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) { 195163611Sphk if (system < 0) { 196163611Sphk system = ciph->fdf.dv.fs; 197163611Sphk fprintf(stderr, "%s\n", system_name[system]); 198163611Sphk } 199163611Sphk 200163611Sphk /* Fix DSF bit */ 201163611Sphk if (system == 1 && 202163611Sphk (dv->payload[0] & DV_DSF_12) == 0) 203163611Sphk dv->payload[0] |= DV_DSF_12; 204163611Sphk nb = nblocks[system]; 205163611Sphk fprintf(stderr, "%d:%02d:%02d %d\r", 206163611Sphk k / (3600 * frame_rate[system]), 207163611Sphk (k / (60 * frame_rate[system])) % 60, 208163611Sphk (k / frame_rate[system]) % 60, 209163611Sphk k % frame_rate[system]); 210163611Sphk 211163611Sphk#if FIX_FRAME 212163611Sphk if (m > 0 && m != nb) { 213163611Sphk /* padding bad frame */ 214163611Sphk npad = ((nb - m) % nb); 215163611Sphk if (npad < 0) 216163611Sphk npad += nb; 217163611Sphk fprintf(stderr, "\n%d blocks padded\n", 218163646Sphk npad); 219163611Sphk npad *= DSIZE; 220163611Sphk wbuf[vec].iov_base = pad; 221163611Sphk wbuf[vec++].iov_len = npad; 222163611Sphk if (vec >= NPACKET_R) { 223163611Sphk writev(fd, wbuf, vec); 224163611Sphk vec = 0; 225163611Sphk } 226163611Sphk } 227163611Sphk#endif 228163611Sphk k++; 229163611Sphk fflush(stderr); 230163611Sphk m = 0; 231163611Sphk } 232163611Sphk if (k == 0 || (count > 0 && k > count)) 233163611Sphk continue; 234163611Sphk m++; 235163611Sphk wbuf[vec].iov_base = (char *) dv; 236163611Sphk wbuf[vec++].iov_len = DSIZE; 237163611Sphk if (vec >= NPACKET_R) { 238163611Sphk writev(fd, wbuf, vec); 239163611Sphk vec = 0; 240163611Sphk } 241163611Sphk } 242163611Sphk ptr = (u_int32_t *)dv; 243163611Sphknext: 244163611Sphk if ((char *)ptr < buf + tlen) 245163611Sphk goto again; 246163611Sphk if (vec > 0) 247163611Sphk writev(fd, wbuf, vec); 248163611Sphk } 249163646Sphk if (fd != STDOUT_FILENO) 250163646Sphk close(fd); 251163611Sphk fprintf(stderr, "\n"); 252163611Sphk} 253163611Sphk 254163611Sphk 255163611Sphkvoid 256163611Sphkdvsend(int d, const char *filename, char ich, int count) 257163611Sphk{ 258163611Sphk struct fw_isochreq isoreq; 259163611Sphk struct fw_isobufreq bufreq; 260163611Sphk struct dvdbc *dv; 261163611Sphk struct fw_pkt *pkt; 262163611Sphk int len, tlen, header, fd, frames, packets, vec, offset, nhdr, i; 263163611Sphk int system=-1, pad_acc, cycle_acc, cycle, f_cycle, f_frac; 264163611Sphk struct iovec wbuf[TNBUF*2 + NEMPTY]; 265163611Sphk char *pbuf; 266163611Sphk u_int32_t iso_data, iso_empty, hdr[TNBUF + NEMPTY][3]; 267163611Sphk struct ciphdr *ciph; 268163611Sphk struct timeval start, end; 269163611Sphk double rtime; 270163611Sphk 271163611Sphk fd = open(filename, O_RDONLY); 272163611Sphk if (fd == -1) 273163611Sphk err(EX_NOINPUT, "%s", filename); 274163611Sphk 275163611Sphk pbuf = malloc(DSIZE * TNBUF); 276163611Sphk bzero(wbuf, sizeof(wbuf)); 277163611Sphk 278163611Sphk bufreq.rx.nchunk = 0; 279163611Sphk bufreq.rx.npacket = 0; 280163611Sphk bufreq.rx.psize = 0; 281163611Sphk bufreq.tx.nchunk = NCHUNK; 282163611Sphk bufreq.tx.npacket = NPACKET_T; 283163611Sphk bufreq.tx.psize = PSIZE; 284163611Sphk if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 285163611Sphk err(1, "ioctl FW_SSTBUF"); 286163611Sphk 287163611Sphk isoreq.ch = ich & 0x3f; 288163611Sphk isoreq.tag = (ich >> 6) & 3; 289163611Sphk 290163611Sphk if (ioctl(d, FW_STSTREAM, &isoreq) < 0) 291163611Sphk err(1, "ioctl FW_STSTREAM"); 292163611Sphk 293163611Sphk iso_data = 0; 294163611Sphk pkt = (struct fw_pkt *) &iso_data; 295163611Sphk pkt->mode.stream.len = DSIZE + sizeof(struct ciphdr); 296163611Sphk pkt->mode.stream.sy = 0; 297163611Sphk pkt->mode.stream.tcode = FWTCODE_STREAM; 298163611Sphk pkt->mode.stream.chtag = ich; 299163611Sphk iso_empty = iso_data; 300163611Sphk pkt = (struct fw_pkt *) &iso_empty; 301163611Sphk pkt->mode.stream.len = sizeof(struct ciphdr); 302163611Sphk 303163611Sphk bzero(hdr[0], sizeof(hdr[0])); 304163611Sphk hdr[0][0] = iso_data; 305163611Sphk ciph = (struct ciphdr *)&hdr[0][1]; 306163611Sphk ciph->src = 0; /* XXX */ 307163611Sphk 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; 341next: 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 400again: 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"); 412send_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