diff options
Diffstat (limited to 'usr.sbin/fwcontrol/fwdv.c')
| -rw-r--r-- | usr.sbin/fwcontrol/fwdv.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/usr.sbin/fwcontrol/fwdv.c b/usr.sbin/fwcontrol/fwdv.c new file mode 100644 index 000000000000..140549f2a490 --- /dev/null +++ b/usr.sbin/fwcontrol/fwdv.c @@ -0,0 +1,415 @@ +/*- + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright (C) 2003 + * Hidetoshi Shimokawa. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * + * This product includes software developed by Hidetoshi Shimokawa. + * + * 4. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <sys/param.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/uio.h> +#include <arpa/inet.h> +#include <err.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sysexits.h> + +#include <dev/firewire/firewire.h> +#include <dev/firewire/iec68113.h> + +#include "fwmethods.h" + +#define DEBUG 0 +#define FIX_FRAME 1 + +struct frac { + int n,d; +}; + +struct frac frame_cycle[2] = { + {8000*100, 2997}, /* NTSC 8000 cycle / 29.97 Hz */ + {320, 1}, /* PAL 8000 cycle / 25 Hz */ +}; +int npackets[] = { + 250 /* NTSC */, + 300 /* PAL */ +}; +struct frac pad_rate[2] = { + {203, 2997}, /* = (8000 - 29.97 * 250)/(29.97 * 250) */ + {1, 15}, /* = (8000 - 25 * 300)/(25 * 300) */ +}; +char *system_name[] = {"NTSC", "PAL"}; +int frame_rate[] = {30, 25}; + +#define PSIZE 512 +#define DSIZE 480 +#define NCHUNK 64 + +#define NPACKET_R 256 +#define NPACKET_T 255 +#define TNBUF 100 /* XXX too large value causes block noise */ +#define NEMPTY 10 /* depends on TNBUF */ +#define RBUFSIZE (PSIZE * NPACKET_R) +#define MAXBLOCKS (300) +#define CYCLE_FRAC 0xc00 + +void +dvrecv(int d, const char *filename, char ich, int count) +{ + struct fw_isochreq isoreq; + struct fw_isobufreq bufreq; + struct dvdbc *dv; + struct ciphdr *ciph; + struct fw_pkt *pkt; + char *pad, *buf; + u_int32_t *ptr; + int len, tlen, npad, fd, k, m, vec, system = -1, nb; + int nblocks[] = {250 /* NTSC */, 300 /* PAL */}; + struct iovec wbuf[NPACKET_R]; + + if(strcmp(filename, "-") == 0) { + fd = STDOUT_FILENO; + } else { + fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660); + if (fd == -1) + err(EX_NOINPUT, "%s", filename); + } + buf = malloc(RBUFSIZE); + pad = malloc(DSIZE*MAXBLOCKS); + memset(pad, 0xff, DSIZE*MAXBLOCKS); + bzero(wbuf, sizeof(wbuf)); + + bufreq.rx.nchunk = NCHUNK; + bufreq.rx.npacket = NPACKET_R; + bufreq.rx.psize = PSIZE; + bufreq.tx.nchunk = 0; + bufreq.tx.npacket = 0; + bufreq.tx.psize = 0; + if (ioctl(d, FW_SSTBUF, &bufreq) < 0) + err(1, "ioctl FW_SSTBUF"); + + isoreq.ch = ich & 0x3f; + isoreq.tag = (ich >> 6) & 3; + + if (ioctl(d, FW_SRSTREAM, &isoreq) < 0) + err(1, "ioctl"); + + k = m = 0; + while (count <= 0 || k <= count) { +#if 0 + tlen = 0; + while ((len = read(d, buf + tlen, PSIZE + /* RBUFSIZE - tlen */)) > 0) { + if (len < 0) { + if (errno == EAGAIN) { + fprintf(stderr, "(EAGAIN)\n"); + fflush(stderr); + if (len <= 0) + continue; + } else + err(1, "read failed"); + } + tlen += len; + if ((RBUFSIZE - tlen) < PSIZE) + break; + }; +#else + tlen = len = read(d, buf, RBUFSIZE); + if (len < 0) { + if (errno == EAGAIN) { + fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); + fflush(stderr); + if (len <= 0) + continue; + } else + err(1, "read failed"); + } +#endif + vec = 0; + ptr = (u_int32_t *) buf; +again: + pkt = (struct fw_pkt *) ptr; +#if DEBUG + fprintf(stderr, "%08x %08x %08x %08x\n", + htonl(ptr[0]), htonl(ptr[1]), + htonl(ptr[2]), htonl(ptr[3])); +#endif + ciph = (struct ciphdr *)(ptr + 1); /* skip iso header */ + if (ciph->fmt != CIP_FMT_DVCR) + errx(1, "unknown format 0x%x", ciph->fmt); + ptr = (u_int32_t *) (ciph + 1); /* skip cip header */ +#if DEBUG + if (ciph->fdf.dv.cyc != 0xffff && k == 0) { + fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc)); + } +#endif + if (pkt->mode.stream.len <= sizeof(struct ciphdr)) + /* no payload */ + goto next; + for (dv = (struct dvdbc *)ptr; + (char *)dv < (char *)(ptr + ciph->len); + dv+=6) { + +#if DEBUG + fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq); +#endif + if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) { + if (system < 0) { + system = ciph->fdf.dv.fs; + fprintf(stderr, "%s\n", system_name[system]); + } + + /* Fix DSF bit */ + if (system == 1 && + (dv->payload[0] & DV_DSF_12) == 0) + dv->payload[0] |= DV_DSF_12; + nb = nblocks[system]; + fprintf(stderr, "%d:%02d:%02d %d\r", + k / (3600 * frame_rate[system]), + (k / (60 * frame_rate[system])) % 60, + (k / frame_rate[system]) % 60, + k % frame_rate[system]); + +#if FIX_FRAME + if (m > 0 && m != nb) { + /* padding bad frame */ + npad = ((nb - m) % nb); + if (npad < 0) + npad += nb; + fprintf(stderr, "\n%d blocks padded\n", + npad); + npad *= DSIZE; + wbuf[vec].iov_base = pad; + wbuf[vec++].iov_len = npad; + if (vec >= NPACKET_R) { + writev(fd, wbuf, vec); + vec = 0; + } + } +#endif + k++; + fflush(stderr); + m = 0; + } + if (k == 0 || (count > 0 && k > count)) + continue; + m++; + wbuf[vec].iov_base = (char *) dv; + wbuf[vec++].iov_len = DSIZE; + if (vec >= NPACKET_R) { + writev(fd, wbuf, vec); + vec = 0; + } + } + ptr = (u_int32_t *)dv; +next: + if ((char *)ptr < buf + tlen) + goto again; + if (vec > 0) + writev(fd, wbuf, vec); + } + if (fd != STDOUT_FILENO) + close(fd); + fprintf(stderr, "\n"); +} + + +void +dvsend(int d, const char *filename, char ich, int count) +{ + struct fw_isochreq isoreq; + struct fw_isobufreq bufreq; + struct dvdbc *dv; + struct fw_pkt *pkt; + int len, tlen, header, fd, frames, packets, vec, offset, nhdr, i; + int system=-1, pad_acc, cycle_acc, cycle, f_frac; + struct iovec wbuf[TNBUF*2 + NEMPTY]; + char *pbuf; + u_int32_t iso_data, iso_empty, hdr[TNBUF + NEMPTY][3]; + struct ciphdr *ciph; + struct timeval start, end; + double rtime; + + fd = open(filename, O_RDONLY); + if (fd == -1) + err(EX_NOINPUT, "%s", filename); + + pbuf = malloc(DSIZE * TNBUF); + bzero(wbuf, sizeof(wbuf)); + + bufreq.rx.nchunk = 0; + bufreq.rx.npacket = 0; + bufreq.rx.psize = 0; + bufreq.tx.nchunk = NCHUNK; + bufreq.tx.npacket = NPACKET_T; + bufreq.tx.psize = PSIZE; + if (ioctl(d, FW_SSTBUF, &bufreq) < 0) + err(1, "ioctl FW_SSTBUF"); + + isoreq.ch = ich & 0x3f; + isoreq.tag = (ich >> 6) & 3; + + if (ioctl(d, FW_STSTREAM, &isoreq) < 0) + err(1, "ioctl FW_STSTREAM"); + + iso_data = 0; + pkt = (struct fw_pkt *) &iso_data; + pkt->mode.stream.len = DSIZE + sizeof(struct ciphdr); + pkt->mode.stream.sy = 0; + pkt->mode.stream.tcode = FWTCODE_STREAM; + pkt->mode.stream.chtag = ich; + iso_empty = iso_data; + pkt = (struct fw_pkt *) &iso_empty; + pkt->mode.stream.len = sizeof(struct ciphdr); + + bzero(hdr[0], sizeof(hdr[0])); + hdr[0][0] = iso_data; + ciph = (struct ciphdr *)&hdr[0][1]; + ciph->src = 0; /* XXX */ + ciph->len = 120; + ciph->dbc = 0; + ciph->eoh1 = 1; + ciph->fdf.dv.cyc = 0xffff; + + for (i = 1; i < TNBUF; i++) + bcopy(hdr[0], hdr[i], sizeof(hdr[0])); + + gettimeofday(&start, NULL); +#if DEBUG + fprintf(stderr, "%08x %08x %08x\n", + htonl(hdr[0]), htonl(hdr[1]), htonl(hdr[2])); +#endif + frames = 0; + packets = 0; + pad_acc = 0; + while (1) { + tlen = 0; + while (tlen < DSIZE * TNBUF) { + len = read(fd, pbuf + tlen, DSIZE * TNBUF - tlen); + if (len <= 0) { + if (tlen > 0) + break; + if (len < 0) + warn("read"); + else + fprintf(stderr, "\nend of file\n"); + goto send_end; + } + tlen += len; + } + vec = 0; + offset = 0; + nhdr = 0; +next: + dv = (struct dvdbc *)(pbuf + offset * DSIZE); +#if 0 + header = (dv->sct == 0 && dv->dseq == 0); +#else + header = (packets == 0 || packets % npackets[system] == 0); +#endif + + ciph = (struct ciphdr *)&hdr[nhdr][1]; + if (header) { + if (system < 0) { + system = ((dv->payload[0] & DV_DSF_12) != 0); + printf("%s\n", system_name[system]); + cycle = 1; + cycle_acc = frame_cycle[system].d * cycle; + } + fprintf(stderr, "%d", frames % 10); + frames ++; + if (count > 0 && frames > count) + break; + if (frames % frame_rate[system] == 0) + fprintf(stderr, "\n"); + fflush(stderr); + f_frac = (cycle_acc % frame_cycle[system].d + * CYCLE_FRAC) / frame_cycle[system].d; +#if 0 + int f_cycle; + f_cycle = (cycle_acc / frame_cycle[system].d) & 0xf; + ciph->fdf.dv.cyc = htons(f_cycle << 12 | f_frac); +#else + ciph->fdf.dv.cyc = htons(cycle << 12 | f_frac); +#endif + cycle_acc += frame_cycle[system].n; + cycle_acc %= frame_cycle[system].d * 0x10; + + } else { + ciph->fdf.dv.cyc = 0xffff; + } + ciph->dbc = packets++ % 256; + pad_acc += pad_rate[system].n; + if (pad_acc >= pad_rate[system].d) { + pad_acc -= pad_rate[system].d; + bcopy(hdr[nhdr], hdr[nhdr+1], sizeof(hdr[0])); + hdr[nhdr][0] = iso_empty; + wbuf[vec].iov_base = (char *)hdr[nhdr]; + wbuf[vec++].iov_len = sizeof(hdr[0]); + nhdr ++; + cycle ++; + } + hdr[nhdr][0] = iso_data; + wbuf[vec].iov_base = (char *)hdr[nhdr]; + wbuf[vec++].iov_len = sizeof(hdr[0]); + wbuf[vec].iov_base = (char *)dv; + wbuf[vec++].iov_len = DSIZE; + nhdr ++; + cycle ++; + offset ++; + if (offset * DSIZE < tlen) + goto next; + +again: + len = writev(d, wbuf, vec); + if (len < 0) { + if (errno == EAGAIN) { + fprintf(stderr, "(EAGAIN) - push 'Play'?\n"); + goto again; + } + err(1, "write failed"); + } + } + fprintf(stderr, "\n"); +send_end: + gettimeofday(&end, NULL); + rtime = end.tv_sec - start.tv_sec + + (end.tv_usec - start.tv_usec) * 1e-6; + fprintf(stderr, "%d frames, %.2f secs, %.2f frames/sec\n", + frames, rtime, frames/rtime); + close(fd); +} |