usr.sbin/fwcontrol/fwdv.c

   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 }