1/* 2 * Copyright (C) 2003 3 * Hidetoshi Shimokawa. All rights reserved.
| 1/* 2 * Copyright (C) 2003 3 * Hidetoshi Shimokawa. All rights reserved.
|
4 *
| 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.
| 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 *
| 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.
| 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: head/usr.sbin/fwcontrol/fwdv.c 113584 2003-04-17 03:38:03Z simokawa $
| 33 * 34 * $FreeBSD: head/usr.sbin/fwcontrol/fwdv.c 163712 2006-10-26 22:33:38Z imp $
|
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>
| 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>
|
53 54#include <dev/firewire/firewire.h> 55#include <dev/firewire/iec68113.h> 56
| 54 55#include <dev/firewire/firewire.h> 56#include <dev/firewire/iec68113.h> 57
|
| 58#include "fwmethods.h" 59
|
57#define DEBUG 0 58#define FIX_FRAME 1 59 60struct frac {
| 60#define DEBUG 0 61#define FIX_FRAME 1 62 63struct frac {
|
61 int n,d;
| 64 int n,d;
|
62}; 63 64struct frac frame_cycle[2] = { 65 {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ 66 {320, 1}, /* PAL 8000 cycle / 25 Hz */ 67}; 68int npackets[] = { 69 250 /* NTSC */, 70 300 /* PAL */ 71}; 72struct frac pad_rate[2] = { 73 {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ 74 {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ 75}; 76char *system_name[] = {"NTSC", "PAL"}; 77int frame_rate[] = {30, 25}; 78 79#define PSIZE 512 80#define DSIZE 480 81#define NCHUNK 8 82 83#define NPACKET_R 256 84#define NPACKET_T 255 85#define TNBUF 100 /* XXX too large value causes block noise */ 86#define NEMPTY 10 /* depends on TNBUF */ 87#define RBUFSIZE (PSIZE * NPACKET_R) 88#define MAXBLOCKS (300) 89#define CYCLE_FRAC 0xc00 90
| 65}; 66 67struct frac frame_cycle[2] = { 68 {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ 69 {320, 1}, /* PAL 8000 cycle / 25 Hz */ 70}; 71int npackets[] = { 72 250 /* NTSC */, 73 300 /* PAL */ 74}; 75struct frac pad_rate[2] = { 76 {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ 77 {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ 78}; 79char *system_name[] = {"NTSC", "PAL"}; 80int frame_rate[] = {30, 25}; 81 82#define PSIZE 512 83#define DSIZE 480 84#define NCHUNK 8 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
|
91int 92dvrecv(int d, char *filename, char ich, int count)
| 94void 95dvrecv(int d, const char *filename, char ich, int count)
|
93{ 94 struct fw_isochreq isoreq; 95 struct fw_isobufreq bufreq; 96 struct dvdbc *dv; 97 struct ciphdr *ciph; 98 struct fw_pkt *pkt; 99 char *pad, *buf; 100 u_int32_t *ptr; 101 int len, tlen, npad, fd, k, m, vec, system = -1, nb; 102 int nblocks[] = {250 /* NTSC */, 300 /* PAL */}; 103 struct iovec wbuf[NPACKET_R]; 104
| 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
|
105 fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660); 106 buf = (char *)malloc(RBUFSIZE); 107 pad = (char *)malloc(DSIZE*MAXBLOCKS);
| 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, filename); 114 } 115 buf = malloc(RBUFSIZE); 116 pad = malloc(DSIZE*MAXBLOCKS);
|
108 memset(pad, 0xff, DSIZE*MAXBLOCKS); 109 bzero(wbuf, sizeof(wbuf)); 110 111 bufreq.rx.nchunk = NCHUNK; 112 bufreq.rx.npacket = NPACKET_R; 113 bufreq.rx.psize = PSIZE; 114 bufreq.tx.nchunk = 0; 115 bufreq.tx.npacket = 0; 116 bufreq.tx.psize = 0;
| 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;
|
117 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) { 118 err(1, "ioctl"); 119 }
| 126 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 127 err(1, "ioctl FW_SSTBUF");
|
120 121 isoreq.ch = ich & 0x3f; 122 isoreq.tag = (ich >> 6) & 3; 123
| 128 129 isoreq.ch = ich & 0x3f; 130 isoreq.tag = (ich >> 6) & 3; 131
|
124 if( ioctl(d, FW_SRSTREAM, &isoreq) < 0)
| 132 if (ioctl(d, FW_SRSTREAM, &isoreq) < 0)
|
125 err(1, "ioctl"); 126 127 k = m = 0; 128 while (count <= 0 || k <= count) { 129#if 0 130 tlen = 0; 131 while ((len = read(d, buf + tlen, PSIZE 132 /* RBUFSIZE - tlen */)) > 0) { 133 if (len < 0) { 134 if (errno == EAGAIN) { 135 fprintf(stderr, "(EAGAIN)\n"); 136 fflush(stderr); 137 if (len <= 0) 138 continue; 139 } else 140 err(1, "read failed"); 141 } 142 tlen += len; 143 if ((RBUFSIZE - tlen) < PSIZE) 144 break; 145 }; 146#else 147 tlen = len = read(d, buf, RBUFSIZE); 148 if (len < 0) { 149 if (errno == EAGAIN) {
| 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) {
|
150 fprintf(stderr, "(EAGAIN)\n");
| 158 fprintf(stderr, "(EAGAIN) - push 'Play'?\n");
|
151 fflush(stderr); 152 if (len <= 0) 153 continue; 154 } else 155 err(1, "read failed"); 156 } 157#endif 158 vec = 0; 159 ptr = (u_int32_t *) buf; 160again:
| 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; 168again:
|
161 pkt = (struct fw_pkt *) ptr;
| 169 pkt = (struct fw_pkt *) ptr;
|
162#if DEBUG 163 fprintf(stderr, "%08x %08x %08x %08x\n", 164 htonl(ptr[0]), htonl(ptr[1]), 165 htonl(ptr[2]), htonl(ptr[3])); 166#endif 167 ciph = (struct ciphdr *)(ptr + 1); /* skip iso header */ 168 if (ciph->fmt != CIP_FMT_DVCR) 169 errx(1, "unknown format 0x%x", ciph->fmt); 170 ptr = (u_int32_t *) (ciph + 1); /* skip cip header */ 171#if DEBUG 172 if (ciph->fdf.dv.cyc != 0xffff && k == 0) { 173 fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc)); 174 } 175#endif 176 if (pkt->mode.stream.len <= sizeof(struct ciphdr)) 177 /* no payload */ 178 goto next; 179 for (dv = (struct dvdbc *)ptr; 180 (char *)dv < (char *)(ptr + ciph->len); 181 dv+=6) { 182 183#if DEBUG 184 fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq); 185#endif 186 if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) { 187 if (system < 0) { 188 system = ciph->fdf.dv.fs;
| 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;
|
189 printf("%s\n", system_name[system]);
| 197 fprintf(stderr, "%s\n", system_name[system]);
|
190 } 191 192 /* Fix DSF bit */ 193 if (system == 1 && 194 (dv->payload[0] & DV_DSF_12) == 0) 195 dv->payload[0] |= DV_DSF_12; 196 nb = nblocks[system]; 197 fprintf(stderr, "%d", k%10); 198#if FIX_FRAME 199 if (m > 0 && m != nb) { 200 /* padding bad frame */ 201 npad = ((nb - m) % nb); 202 if (npad < 0) 203 npad += nb; 204 fprintf(stderr, "(%d blocks padded)", 205 npad); 206 npad *= DSIZE; 207 wbuf[vec].iov_base = pad; 208 wbuf[vec++].iov_len = npad; 209 if (vec >= NPACKET_R) { 210 writev(fd, wbuf, vec); 211 vec = 0; 212 } 213 } 214#endif 215 k++; 216 if (k % frame_rate[system] == 0) { 217 /* every second */ 218 fprintf(stderr, "\n"); 219 } 220 fflush(stderr); 221 m = 0; 222 } 223 if (k == 0 || (count > 0 && k > count)) 224 continue; 225 m++; 226 wbuf[vec].iov_base = (char *) dv; 227 wbuf[vec++].iov_len = DSIZE; 228 if (vec >= NPACKET_R) { 229 writev(fd, wbuf, vec); 230 vec = 0; 231 } 232 } 233 ptr = (u_int32_t *)dv; 234next: 235 if ((char *)ptr < buf + tlen) 236 goto again; 237 if (vec > 0) 238 writev(fd, wbuf, vec); 239 }
| 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", k%10); 206#if FIX_FRAME 207 if (m > 0 && m != nb) { 208 /* padding bad frame */ 209 npad = ((nb - m) % nb); 210 if (npad < 0) 211 npad += nb; 212 fprintf(stderr, "(%d blocks padded)", 213 npad); 214 npad *= DSIZE; 215 wbuf[vec].iov_base = pad; 216 wbuf[vec++].iov_len = npad; 217 if (vec >= NPACKET_R) { 218 writev(fd, wbuf, vec); 219 vec = 0; 220 } 221 } 222#endif 223 k++; 224 if (k % frame_rate[system] == 0) { 225 /* every second */ 226 fprintf(stderr, "\n"); 227 } 228 fflush(stderr); 229 m = 0; 230 } 231 if (k == 0 || (count > 0 && k > count)) 232 continue; 233 m++; 234 wbuf[vec].iov_base = (char *) dv; 235 wbuf[vec++].iov_len = DSIZE; 236 if (vec >= NPACKET_R) { 237 writev(fd, wbuf, vec); 238 vec = 0; 239 } 240 } 241 ptr = (u_int32_t *)dv; 242next: 243 if ((char *)ptr < buf + tlen) 244 goto again; 245 if (vec > 0) 246 writev(fd, wbuf, vec); 247 }
|
240 close(fd);
| 248 if(fd != STDOUT_FILENO) { 249 close(fd); 250 }
|
241 fprintf(stderr, "\n");
| 251 fprintf(stderr, "\n");
|
242 return 0;
| |
243} 244 245
| 252} 253 254
|
246int 247dvsend(int d, char *filename, char ich, int count)
| 255void 256dvsend(int d, const char *filename, char ich, int count)
|
248{ 249 struct fw_isochreq isoreq; 250 struct fw_isobufreq bufreq; 251 struct dvdbc *dv; 252 struct fw_pkt *pkt; 253 int len, tlen, header, fd, frames, packets, vec, offset, nhdr, i;
| 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;
|
254 int system=-1, pad_acc, cycle_acc, cycle, f_cycle, f_frac;
| 263 int system=-1, pad_acc, cycle_acc, cycle, f_cycle, f_frac;
|
255 struct iovec wbuf[TNBUF*2 + NEMPTY]; 256 char *pbuf; 257 u_int32_t iso_data, iso_empty, hdr[TNBUF + NEMPTY][3]; 258 struct ciphdr *ciph; 259 struct timeval start, end; 260 double rtime; 261 262 fd = open(filename, O_RDONLY);
| 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);
|
263 pbuf = (char *)malloc(DSIZE * TNBUF);
| 272 if (fd == -1) 273 err(EX_NOINPUT, filename); 274 275 pbuf = malloc(DSIZE * TNBUF);
|
264 bzero(wbuf, sizeof(wbuf)); 265 266 bufreq.rx.nchunk = 0; 267 bufreq.rx.npacket = 0; 268 bufreq.rx.psize = 0; 269 bufreq.tx.nchunk = NCHUNK; 270 bufreq.tx.npacket = NPACKET_T; 271 bufreq.tx.psize = PSIZE;
| 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;
|
272 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) { 273 err(1, "ioctl"); 274 }
| 284 if (ioctl(d, FW_SSTBUF, &bufreq) < 0) 285 err(1, "ioctl FW_SSTBUF");
|
275 276 isoreq.ch = ich & 0x3f; 277 isoreq.tag = (ich >> 6) & 3; 278
| 286 287 isoreq.ch = ich & 0x3f; 288 isoreq.tag = (ich >> 6) & 3; 289
|
279 if( ioctl(d, FW_STSTREAM, &isoreq) < 0) 280 err(1, "ioctl");
| 290 if (ioctl(d, FW_STSTREAM, &isoreq) < 0) 291 err(1, "ioctl FW_STSTREAM");
|
281 282 iso_data = 0; 283 pkt = (struct fw_pkt *) &iso_data; 284 pkt->mode.stream.len = DSIZE + sizeof(struct ciphdr); 285 pkt->mode.stream.sy = 0; 286 pkt->mode.stream.tcode = FWTCODE_STREAM; 287 pkt->mode.stream.chtag = ich; 288 iso_empty = iso_data; 289 pkt = (struct fw_pkt *) &iso_empty; 290 pkt->mode.stream.len = sizeof(struct ciphdr); 291 292 bzero(hdr[0], sizeof(hdr[0])); 293 hdr[0][0] = iso_data; 294 ciph = (struct ciphdr *)&hdr[0][1]; 295 ciph->src = 0; /* XXX */ 296 ciph->len = 120; 297 ciph->dbc = 0; 298 ciph->eoh1 = 1; 299 ciph->fdf.dv.cyc = 0xffff; 300
| 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
|
301 for (i = 1; i < TNBUF; i++) {
| 312 for (i = 1; i < TNBUF; i++)
|
302 bcopy(hdr[0], hdr[i], sizeof(hdr[0]));
| 313 bcopy(hdr[0], hdr[i], sizeof(hdr[0]));
|
303 }
| |
304 305 gettimeofday(&start, NULL); 306#if DEBUG 307 fprintf(stderr, "%08x %08x %08x\n", 308 htonl(hdr[0]), htonl(hdr[1]), htonl(hdr[2])); 309#endif 310 frames = 0; 311 packets = 0; 312 pad_acc = 0; 313 while (1) { 314 tlen = 0; 315 while (tlen < DSIZE * TNBUF) { 316 len = read(fd, pbuf + tlen, DSIZE * TNBUF - tlen); 317 if (len <= 0) { 318 if (tlen > 0) 319 break; 320 if (len < 0) 321 warn("read"); 322 else
| 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
|
323 printf("\nend of file\n");
| 333 fprintf(stderr, "\nend of file\n");
|
324 goto send_end; 325 } 326 tlen += len; 327 } 328 vec = 0; 329 offset = 0; 330 nhdr = 0; 331next: 332 dv = (struct dvdbc *)(pbuf + offset * DSIZE); 333#if 0 334 header = (dv->sct == 0 && dv->dseq == 0); 335#else 336 header = (packets == 0 || packets % npackets[system] == 0); 337#endif 338 339 ciph = (struct ciphdr *)&hdr[nhdr][1]; 340 if (header) { 341 if (system < 0) { 342 system = ((dv->payload[0] & DV_DSF_12) != 0); 343 printf("%s\n", system_name[system]); 344 cycle = 1; 345 cycle_acc = frame_cycle[system].d * cycle; 346 } 347 fprintf(stderr, "%d", frames % 10); 348 frames ++; 349 if (count > 0 && frames > count) 350 break; 351 if (frames % frame_rate[system] == 0) 352 fprintf(stderr, "\n"); 353 fflush(stderr); 354 f_cycle = (cycle_acc / frame_cycle[system].d) & 0xf; 355 f_frac = (cycle_acc % frame_cycle[system].d 356 * CYCLE_FRAC) / frame_cycle[system].d; 357#if 0 358 ciph->fdf.dv.cyc = htons(f_cycle << 12 | f_frac); 359#else 360 ciph->fdf.dv.cyc = htons(cycle << 12 | f_frac); 361#endif 362 cycle_acc += frame_cycle[system].n; 363 cycle_acc %= frame_cycle[system].d * 0x10; 364 365 } else { 366 ciph->fdf.dv.cyc = 0xffff; 367 } 368 ciph->dbc = packets++ % 256; 369 pad_acc += pad_rate[system].n; 370 if (pad_acc >= pad_rate[system].d) { 371 pad_acc -= pad_rate[system].d; 372 bcopy(hdr[nhdr], hdr[nhdr+1], sizeof(hdr[0])); 373 hdr[nhdr][0] = iso_empty; 374 wbuf[vec].iov_base = (char *)hdr[nhdr]; 375 wbuf[vec++].iov_len = sizeof(hdr[0]); 376 nhdr ++; 377 cycle ++; 378 } 379 hdr[nhdr][0] = iso_data; 380 wbuf[vec].iov_base = (char *)hdr[nhdr]; 381 wbuf[vec++].iov_len = sizeof(hdr[0]); 382 wbuf[vec].iov_base = (char *)dv; 383 wbuf[vec++].iov_len = DSIZE; 384 nhdr ++; 385 cycle ++; 386 offset ++; 387 if (offset * DSIZE < tlen) 388 goto next; 389 390again: 391 len = writev(d, wbuf, vec); 392 if (len < 0) { 393 if (errno == EAGAIN) {
| 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) {
|
394 fprintf(stderr, "(EAGAIN)\n"); 395 fflush(stderr);
| 404 fprintf(stderr, "(EAGAIN) - push 'Play'?\n");
|
396 goto again; 397 } 398 err(1, "write failed"); 399 } 400 } 401 close(fd); 402 fprintf(stderr, "\n"); 403send_end: 404 gettimeofday(&end, NULL);
| 405 goto again; 406 } 407 err(1, "write failed"); 408 } 409 } 410 close(fd); 411 fprintf(stderr, "\n"); 412send_end: 413 gettimeofday(&end, NULL);
|
405 rtime = end.tv_sec - start.tv_sec
| 414 rtime = end.tv_sec - start.tv_sec
|
406 + (end.tv_usec - start.tv_usec) * 1e-6; 407 fprintf(stderr, "%d frames, %.2f secs, %.2f frames/sec\n", 408 frames, rtime, frames/rtime);
| 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);
|
409 return 0;
| |
410}
| 418}
|