Imported Upstream version 1.1.11upstream/1.1.11upstream

1 files changed, 306 insertions, 0 deletions

diff --git a/wodim/wm_packet.c b/wodim/wm_packet.c
new file mode 100644
index 0000000..9566a52
--- /dev/null
+++ b/wodim/wm_packet.c
@@ -0,0 +1,306 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)wm_packet.c	1.25 04/03/01 Copyright 1995, 1997, 2001-2004 J. Schilling */
+/*
+ *	CDR write method abtraction layer
+ *	packet writing intercace routines
+ *
+ *	Copyright (c) 1995, 1997, 2001-2004 J. Schilling
+ */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING.  If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <mconfig.h>
+#include <stdio.h>
+#include <stdxlib.h>
+#include <unixstd.h>
+#include <timedefs.h>
+#include <standard.h>
+#include <utypes.h>
+#include <schily.h>
+
+#include <usal/scsitransp.h>
+#include "wodim.h"
+#include "xio.h"
+
+extern	int	debug;
+extern	int	verbose;
+extern	int	lverbose;
+
+extern	char	*buf;			/* The transfer buffer */
+
+int	write_packet_data(SCSI *usalp, cdr_t *dp, track_t *trackp);
+
+int
+write_packet_data(SCSI *usalp, cdr_t *dp, track_t *trackp)
+{
+	int	track = trackp->trackno;
+	int	f = -1;
+	int	isaudio;
+	long	startsec;
+	Llong	bytes_read = 0;
+	Llong	bytes	= 0;
+	Llong	savbytes = 0;
+	int	count;
+	Llong	tracksize;
+	int	secsize;
+	int	secspt;
+	int	bytespt;
+	long	amount;
+	int	pad;
+	int	retried;
+	long	nextblock;
+	int	bytes_to_read;
+	BOOL	neednl	= FALSE;
+	BOOL	islast	= FALSE;
+	char	*bp	= buf;
+	struct timeval tlast;
+	struct timeval tcur;
+	float	secsps = 75.0;
+long bsize;
+long bfree;
+#define	BCAP
+#ifdef	BCAP
+int per;
+#ifdef	XBCAP
+int oper = -1;
+#endif
+#endif
+
+	if (dp->cdr_dstat->ds_flags & DSF_DVD)
+		secsps = 676.27;
+
+	usalp->silent++;
+	if ((*dp->cdr_buffer_cap)(usalp, &bsize, &bfree) < 0)
+		bsize = -1L;
+	if (bsize == 0)		/* If we have no (known) buffer, we cannot */
+		bsize = -1L;	/* retrieve the buffer fill ratio	   */
+	else
+		dp->cdr_dstat->ds_buflow = 0;
+	usalp->silent--;
+
+	if (trackp->xfp != NULL)
+		f = xfileno(trackp->xfp);
+
+	isaudio = is_audio(trackp);
+	tracksize = trackp->tracksize;
+	startsec = trackp->trackstart;
+
+	secsize = trackp->secsize;
+	secspt = trackp->secspt;
+	bytespt = secsize * secspt;
+
+	pad = !isaudio && is_pad(trackp);	/* Pad only data tracks */
+
+	if (debug) {
+		printf("secsize:%d secspt:%d bytespt:%d audio:%d pad:%d\n",
+			secsize, secspt, bytespt, isaudio, pad);
+	}
+
+	if (lverbose) {
+		if (tracksize > 0)
+			printf("\rTrack %02d:    0 of %4lld MB written.",
+				track, tracksize >> 20);
+		else
+			printf("\rTrack %02d:    0 MB written.", track);
+		flush();
+		neednl = TRUE;
+	}
+
+	gettimeofday(&tlast, (struct timezone *)0);
+	do {
+		bytes_to_read = bytespt;
+		if (tracksize > 0) {
+			if ((tracksize - bytes_read) > bytespt)
+				bytes_to_read = bytespt;
+			else
+				bytes_to_read = tracksize - bytes_read;
+		}
+					/* XXX next wr addr ??? */
+		count = get_buf(f, trackp, startsec, &bp, bytes_to_read);
+		if (count < 0)
+			comerr("read error on input file\n");
+		if (count == 0)
+			break;
+		bytes_read += count;
+		if (tracksize >= 0 && bytes_read >= tracksize) {
+			count -= bytes_read - tracksize;
+			if (trackp->padsecs == 0 || (bytes_read/secsize) >= 300)
+				islast = TRUE;
+		}
+
+		if (count < bytespt) {
+			if (debug) {
+				printf("\nNOTICE: reducing block size for last record.\n");
+				neednl = FALSE;
+			}
+
+			if ((amount = count % secsize) != 0) {
+				amount = secsize - amount;
+				fillbytes(&bp[count], amount, '\0');
+				count += amount;
+				printf("\nWARNING: padding up to secsize.\n");
+				neednl = FALSE;
+			}
+			if (is_packet(trackp) && trackp->pktsize > 0) {
+				if (count < bytespt) {
+					amount = bytespt - count;
+					count += amount;
+					printf("\nWARNING: padding remainder of packet.\n");
+					neednl = FALSE;
+				}
+			}
+			bytespt = count;
+			secspt = count / secsize;
+			if (trackp->padsecs == 0 || (bytes_read/secsize) >= 300)
+				islast = TRUE;
+		}
+
+		retried = 0;
+		retry:
+		/* XXX Fixed-packet writes can be very slow*/
+		if (is_packet(trackp) && trackp->pktsize > 0)
+			usal_settimeout(usalp, 100);
+		/* XXX */
+		if (is_packet(trackp) && trackp->pktsize == 0) {
+			if ((*dp->cdr_next_wr_address)(usalp, trackp, &nextblock) == 0) {
+				/*
+				 * Some drives (e.g. Ricoh MPS6201S) do not
+				 * increment the Next Writable Address value to
+				 * point to the beginning of a new packet if
+				 * their write buffer has underflowed.
+				 */
+				if (retried && nextblock == startsec) {
+					startsec += 7;
+				} else {
+					startsec = nextblock;
+				}
+			}
+		}
+
+		amount =  write_secs(usalp, dp, bp, startsec, bytespt, secspt, islast);
+		if (amount < 0) {
+			if (is_packet(trackp) && trackp->pktsize == 0 && !retried) {
+				printf("%swrite track data: error after %lld bytes, retry with new packet\n",
+					neednl?"\n":"", bytes);
+				retried = 1;
+				neednl = FALSE;
+				goto retry;
+			}
+			printf("%swrite track data: error after %lld bytes\n",
+							neednl?"\n":"", bytes);
+			return (-1);
+		}
+		bytes += amount;
+		startsec += amount / secsize;
+
+		if (lverbose && (bytes >= (savbytes + 0x100000))) {
+			int	fper;
+			int	nsecs = (bytes - savbytes) / secsize;
+			float	fspeed;
+
+			gettimeofday(&tcur, (struct timezone *)0);
+			printf("\rTrack %02d: %4lld", track, bytes >> 20);
+			if (tracksize > 0)
+				printf(" of %4lld MB", tracksize >> 20);
+			else
+				printf(" MB");
+			printf(" written");
+			fper = fifo_percent(TRUE);
+			if (fper >= 0)
+				printf(" (fifo %3d%%)", fper);
+#ifdef	BCAP
+			if (bsize > 0) {			/* buffer size known */
+				usalp->silent++;
+				per = (*dp->cdr_buffer_cap)(usalp, (long *)0, &bfree);
+				usalp->silent--;
+				if (per >= 0) {
+					per = 100*(bsize - bfree) / bsize;
+					if (per < 5)
+						dp->cdr_dstat->ds_buflow++;
+					if (per < (int)dp->cdr_dstat->ds_minbuf &&
+					    (startsec*secsize) > bsize) {
+						dp->cdr_dstat->ds_minbuf = per;
+					}
+					printf(" [buf %3d%%]", per);
+#ifdef	BCAPDBG
+					printf(" %3ld %3ld", bsize >> 10, bfree >> 10);
+#endif
+				}
+			}
+#endif
+
+			tlast.tv_sec = tcur.tv_sec - tlast.tv_sec;
+			tlast.tv_usec = tcur.tv_usec - tlast.tv_usec;
+			while (tlast.tv_usec < 0) {
+				tlast.tv_usec += 1000000;
+				tlast.tv_sec -= 1;
+			}
+			fspeed = (nsecs / secsps) /
+				(tlast.tv_sec * 1.0 + tlast.tv_usec * 0.000001);
+			if (fspeed > 999.0)
+				fspeed = 999.0;
+			printf(" %5.1fx", fspeed);
+			printf(".");
+			savbytes = (bytes >> 20) << 20;
+			flush();
+			neednl = TRUE;
+			tlast = tcur;
+		}
+	} while (tracksize < 0 || bytes_read < tracksize);
+
+	if ((bytes / secsize) < 300) {
+		if ((trackp->padsecs + (bytes / secsize)) < 300)
+			trackp->padsecs = 300 - (bytes / secsize);
+	}
+	if (trackp->padsecs > 0) {
+		Llong	padbytes;
+
+		/*
+		 * pad_track() is based on secsize. Compute the amount of bytes
+		 * assumed by pad_track().
+		 */
+		padbytes = (Llong)trackp->padsecs * secsize;
+
+		if (neednl) {
+			printf("\n");
+			neednl = FALSE;
+		}
+		if ((padbytes >> 20) > 0) {
+			neednl = TRUE;
+		} else if (lverbose) {
+			printf("Track %02d: writing %3lld KB of pad data.\n",
+						track, (Llong)(padbytes >> 10));
+			neednl = FALSE;
+		}
+		pad_track(usalp, dp, trackp, startsec, padbytes,
+					TRUE, &savbytes);
+		bytes += savbytes;
+		startsec += savbytes / secsize;
+	}
+	printf("%sTrack %02d: Total bytes read/written: %lld/%lld (%lld sectors).\n",
+		neednl?"\n":"", track, bytes_read, bytes, bytes/secsize);
+	return (0);
+}