404 lines
9.6 KiB
C
404 lines
9.6 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <dev/firewire/firewire.h>
|
|
#include <dev/firewire/iec68113.h>
|
|
|
|
|
|
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) */
|
|
};
|
|
|
|
#define PSIZE 512
|
|
#define DSIZE 480
|
|
#define NVEC 50
|
|
#define BUFSIZE (PSIZE * 256)
|
|
#define BLOCKSIZE 80
|
|
#define MAXBLOCKS (300*6)
|
|
#define CYCLE_FRAC 0xc00
|
|
|
|
int dvrecv(int d, 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, npad, fd, k, m, vec, pal, nb;
|
|
int nblocks[] = {250*6 /* NTSC */, 300*6 /* PAL */};
|
|
struct iovec wbuf[NVEC];
|
|
struct iovec *v;
|
|
|
|
fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0660);
|
|
buf = (char *)malloc(BUFSIZE);
|
|
pad = (char *)malloc(BLOCKSIZE*MAXBLOCKS);
|
|
bzero(pad, BLOCKSIZE*MAXBLOCKS);
|
|
bzero(wbuf, sizeof(wbuf));
|
|
|
|
bufreq.rx.nchunk = 16;
|
|
bufreq.rx.npacket = 256;
|
|
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");
|
|
}
|
|
|
|
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) {
|
|
vec = 0;
|
|
wbuf[0].iov_len = 0;
|
|
len = read(d, buf, BUFSIZE);
|
|
if (len < 0) {
|
|
if (errno == EAGAIN) {
|
|
fprintf(stderr, "(EAGAIN)\n");
|
|
fflush(stderr);
|
|
continue;
|
|
}
|
|
err(1, "read failed");
|
|
}
|
|
ptr = (u_int32_t *) buf;
|
|
again:
|
|
pkt = (struct fw_pkt *) ptr;
|
|
if (ntohs(pkt->mode.stream.len) <= sizeof(struct ciphdr)) {
|
|
ptr ++; /* skip header */
|
|
ptr += ntohs(pkt->mode.stream.len)/sizeof(u_int32_t);
|
|
goto next;
|
|
}
|
|
#if 0
|
|
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)
|
|
err(1, "unknown format 0x%x", ciph->fmt);
|
|
ptr = (u_int32_t *) (ciph + 1); /* skip cip header */
|
|
#if 0
|
|
if (ciph->fdf.dv.cyc != 0xffff && k == 0) {
|
|
fprintf(stderr, "0x%04x\n", ntohs(ciph->fdf.dv.cyc));
|
|
}
|
|
#endif
|
|
for (dv = (struct dvdbc *)ptr;
|
|
(char *)dv < (char *)(ptr + ciph->len);
|
|
dv++) {
|
|
|
|
#if 0
|
|
fprintf(stderr, "(%d,%d) ", dv->sct, dv->dseq);
|
|
#endif
|
|
if (dv->sct == DV_SCT_HEADER && dv->dseq == 0) {
|
|
#if 0
|
|
fprintf(stderr, "%d(%d) ", k, m);
|
|
#else
|
|
fprintf(stderr, "%d", k%10);
|
|
#endif
|
|
pal = ((dv->payload[0] & DV_DSF_12) != 0);
|
|
nb = nblocks[pal];
|
|
#if 1
|
|
if (m > 0 && m != nb) {
|
|
/* padding bad frame */
|
|
npad = ((nb - m) % nb);
|
|
if (npad < 0)
|
|
npad += nb;
|
|
fprintf(stderr, "(%d blocks padded)",
|
|
npad);
|
|
npad *= BLOCKSIZE;
|
|
npad = write(fd, pad, npad);
|
|
}
|
|
#endif
|
|
k++;
|
|
if (k % 30 == 0) { /* every second */
|
|
fprintf(stderr, "\n");
|
|
}
|
|
fflush(stderr);
|
|
m = 0;
|
|
}
|
|
if (k == 0 || (count > 0 && k > count))
|
|
continue;
|
|
m++;
|
|
v = &wbuf[vec];
|
|
if ((v->iov_base + v->iov_len) == (char *) dv) {
|
|
v->iov_len += sizeof(struct dvdbc);
|
|
} else {
|
|
if (v->iov_len != 0)
|
|
vec++;
|
|
if (vec >= NVEC) {
|
|
writev(fd, wbuf, vec);
|
|
vec = 0;
|
|
}
|
|
v = &wbuf[vec];
|
|
v->iov_base = (char *) dv;
|
|
v->iov_len = sizeof(struct dvdbc);
|
|
}
|
|
}
|
|
ptr = (u_int32_t *)dv;
|
|
next:
|
|
if ((char *)ptr < buf + len) {
|
|
goto again;
|
|
}
|
|
if (wbuf[0].iov_len > 0) {
|
|
writev(fd, wbuf, vec+1);
|
|
}
|
|
}
|
|
close(fd);
|
|
fprintf(stderr, "\n");
|
|
return 0;
|
|
}
|
|
|
|
int dvsend(int d, char *filename, char ich, int count)
|
|
{
|
|
struct fw_isochreq isoreq;
|
|
struct fw_isobufreq bufreq;
|
|
struct dvdbc *dv;
|
|
struct ciphdr *ciph;
|
|
struct fw_pkt *pkt;
|
|
int len, dlen, header, fd, frames, packets, vec;
|
|
int system=0, pad_acc, cycle_acc, cycle, f_cycle, f_frac;
|
|
struct iovec wbuf[NVEC];
|
|
char *pbuf;
|
|
u_int32_t hdr[3];
|
|
struct timeval start, end;
|
|
double rtime;
|
|
|
|
fd = open(filename, O_RDONLY);
|
|
pbuf = (char *)malloc(BUFSIZE);
|
|
bzero(wbuf, sizeof(wbuf));
|
|
|
|
bufreq.rx.nchunk = 0;
|
|
bufreq.rx.npacket = 0;
|
|
bufreq.rx.psize = 0;
|
|
bufreq.tx.nchunk = 10;
|
|
bufreq.tx.npacket = 255;
|
|
bufreq.tx.psize = PSIZE;
|
|
if (ioctl(d, FW_SSTBUF, &bufreq) < 0) {
|
|
err(1, "ioctl");
|
|
}
|
|
|
|
isoreq.ch = ich & 0x3f;
|
|
isoreq.tag = (ich >> 6) & 3;
|
|
|
|
if( ioctl(d, FW_STSTREAM, &isoreq) < 0)
|
|
err(1, "ioctl");
|
|
|
|
bzero(hdr, sizeof(hdr));
|
|
pkt = (struct fw_pkt *) &hdr[0];
|
|
pkt->mode.stream.len = htons(DSIZE + sizeof(struct ciphdr));
|
|
pkt->mode.stream.sy = 0;
|
|
pkt->mode.stream.tcode = FWTCODE_STREAM;
|
|
pkt->mode.stream.chtag = ich;
|
|
|
|
ciph = (struct ciphdr *) &hdr[1];
|
|
ciph->src = 0; /* XXX */
|
|
ciph->len = 120;
|
|
ciph->dbc = 0;
|
|
ciph->eoh1 = 1;
|
|
ciph->fdf.dv.cyc = 0xffff;
|
|
|
|
gettimeofday(&start, NULL);
|
|
#if 0
|
|
fprintf(stderr, "%08x %08x %08x\n",
|
|
htonl(hdr[0]), htonl(hdr[1]), htonl(hdr[2]));
|
|
#endif
|
|
frames = 0;
|
|
packets = 0;
|
|
pad_acc = 0;
|
|
cycle_acc = frame_cycle[system].d * 1;
|
|
cycle = 1;
|
|
while (1) {
|
|
vec = 0;
|
|
wbuf[0].iov_len = 0;
|
|
dlen = 0;
|
|
while (dlen < DSIZE) {
|
|
len = read(fd, pbuf + dlen, DSIZE - dlen);
|
|
if (len <= 0) {
|
|
fprintf(stderr, "\nend of file(len=%d)\n", len);
|
|
goto send_end;
|
|
}
|
|
dlen += len;
|
|
}
|
|
dv = (struct dvdbc *)pbuf;
|
|
#if 0
|
|
header = (dv->sct == 0 && dv->dseq == 0);
|
|
#else
|
|
header = (packets % npackets[system] == 0);
|
|
#endif
|
|
|
|
if (header) {
|
|
fprintf(stderr, "%d", frames % 10);
|
|
frames ++;
|
|
if (count > 0 && frames > count)
|
|
break;
|
|
if (frames % 30 == 0)
|
|
fprintf(stderr, "\n");
|
|
fflush(stderr);
|
|
system = ((dv->payload[0] & DV_DSF_12) != 0);
|
|
f_cycle = (cycle_acc / frame_cycle[system].d) & 0xf;
|
|
f_frac = (cycle_acc % frame_cycle[system].d
|
|
* CYCLE_FRAC) / frame_cycle[system].d;
|
|
#if 0
|
|
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; /* XXX */
|
|
}
|
|
ciph->dbc = packets++ % 256;
|
|
wbuf[0].iov_base = (char *)&hdr[0];
|
|
wbuf[0].iov_len = 3 * sizeof(u_int32_t);
|
|
wbuf[1].iov_base = pbuf;
|
|
wbuf[1].iov_len = 480;
|
|
|
|
pad_acc += pad_rate[system].n;
|
|
if (pad_acc >= pad_rate[system].d) {
|
|
pad_acc -= pad_rate[system].d;
|
|
pkt->mode.stream.len = htons(sizeof(struct ciphdr));
|
|
cycle ++;
|
|
again1:
|
|
len = writev(d, wbuf, 1);
|
|
if (len < 0) {
|
|
if (errno == EAGAIN) {
|
|
fprintf(stderr, "(EAGAIN)\n");
|
|
fflush(stderr);
|
|
goto again1;
|
|
}
|
|
err(1, "write failed");
|
|
}
|
|
}
|
|
|
|
pkt->mode.stream.len = htons(480 + sizeof(struct ciphdr));
|
|
cycle ++;
|
|
again2:
|
|
len = writev(d, wbuf, 2);
|
|
if (len < 0) {
|
|
if (errno == EAGAIN) {
|
|
fprintf(stderr, "(EAGAIN)\n");
|
|
fflush(stderr);
|
|
goto again2;
|
|
}
|
|
err(1, "write failed");
|
|
}
|
|
}
|
|
close(fd);
|
|
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);
|
|
return 0;
|
|
}
|
|
|
|
|
|
#if 0
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
extern char *optarg;
|
|
extern int optind;
|
|
int ch;
|
|
int fd;
|
|
char devname[] = "/dev/fw0";
|
|
|
|
while ((ch = getopt(argc, argv, "I:")) != -1){
|
|
switch(ch) {
|
|
case 'I':
|
|
strcpy(devname, optarg);
|
|
break;
|
|
default:
|
|
usage();
|
|
break;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc < 2)
|
|
usage();
|
|
|
|
fd = open(devname, O_RDWR);
|
|
if (fd < 0)
|
|
err(1, "open");
|
|
dvrec(fd, argv[0], (TAG<<6) | CHANNEL, atoi(argv[1]));
|
|
close(fd);
|
|
exit(0);
|
|
}
|
|
|
|
#endif
|