New API call burn_write_opts_set_stream_recording()

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2008.04.10.211529"
+#define Cdrskin_timestamP "2008.04.12.164244"

libburn/drive.c

@@ -61,6 +61,7 @@ int burn_setup_drive(struct burn_drive *d, char *fname)
 	d->released = 1;
 	d->stdio_fd = -1;
 	d->status = BURN_DISC_UNREADY;
+	d->do_stream_recording = 0;
 	return 1;
 }
 

libburn/libburn.h

@@ -1758,6 +1758,20 @@ void burn_write_opts_set_fillup(struct burn_write_opts *opts,
 void burn_write_opts_set_force(struct burn_write_opts *opts, int use_force);
 
 
+/* ts A80412 */
+/** Eventually makes use of the more modern write command AAh WRITE12 and
+    sets the Streaming bit. With DVD-RAM this can override the traditional
+    slowdown to half nominal speed. But if it speeds up writing then it also
+    disables error management and correction. Weigh your priorities.
+    This only affects the write operations of burn_disc_write().
+    @since 0.4.6
+    @param opts The write opts to change
+    @param value  0=use 2Ah WRITE10, 1=use AAh WRITE12 with Streaming bit
+*/
+void burn_write_opts_set_stream_recording(struct burn_write_opts *opts, 
+                                         int value);
+
+
 /** Sets whether to read in raw mode or not
     @param opts The read opts to change
     @param raw_mode If non-zero, reading will be done in raw mode, so that everything in the data tracks on the
@@ -2189,8 +2203,9 @@ int burn_msgs_submit(int error_code, char msg_text[], int os_errno,
 int burn_text_to_sev(char *severity_name, int *severity_number, int flag);
 
 
-/* ts A80202 : @since 0.4.4 */
+/* ts A80202 */
 /** Convert a severity number into a severity name
+    @since 0.4.4
     @param severity_number The rank number: the higher, the more severe.
     @param severity_name A name as with burn_msgs_submit(), e.g. "SORRY".
     @param flag Bitfield for control purposes (unused yet, submit 0)

libburn/mmc.c

@@ -707,22 +707,26 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
 	if(d->wait_for_buffer_free)
 		mmc_wait_for_buffer_free(d, buf);
 
-	scsi_init_command(&c, MMC_WRITE_10, sizeof(MMC_WRITE_10));
+	/* ts A80412 */
-/*
+	if(d->do_stream_recording > 0)  {
-	memcpy(c.opcode, MMC_WRITE_10, sizeof(MMC_WRITE_10));
+
-	c.oplen = sizeof(MMC_WRITE_10);
+		/* >>> ??? is WRITE12 available ?  */
-*/
+			/* >>> ??? inquire feature 107h Stream Writing bit ? */
+
+		scsi_init_command(&c, MMC_WRITE_12, sizeof(MMC_WRITE_12));
+		mmc_int_to_four_char(c.opcode + 2, start);
+		mmc_int_to_four_char(c.opcode + 6, len);
+		c.opcode[10] = 1<<7; /* Streaming bit */
+	} else {
+		scsi_init_command(&c, MMC_WRITE_10, sizeof(MMC_WRITE_10));
+		mmc_int_to_four_char(c.opcode + 2, start);
+		c.opcode[6] = 0;
+		c.opcode[7] = (len >> 8) & 0xFF;
+		c.opcode[8] = len & 0xFF;
+	}
 	c.retry = 1;
-	mmc_int_to_four_char(c.opcode + 2, start);
-	c.opcode[6] = 0;
-	c.opcode[7] = (len >> 8) & 0xFF;
-	c.opcode[8] = len & 0xFF;
 	c.page = buf;
 	c.dir = TO_DRIVE;
-/*
-	burn_print(12, "%d, %d, %d, %d - ", c->opcode[2], c->opcode[3], c->opcode[4], c->opcode[5]);
-	burn_print(12, "%d, %d, %d, %d\n", c->opcode[6], c->opcode[7], c->opcode[8], c->opcode[9]);
-*/
 
 #ifdef Libburn_log_in_and_out_streaM
 	/* <<< ts A61031 */
@@ -2612,7 +2616,9 @@ selected_not_suitable:;
 		}
 		if (!(d->current_profile == 0x13 ||
 			d->current_profile == 0x14 ||
-			d->current_profile == 0x1a))
+			d->current_profile == 0x1a ||
+			(0 && d->current_profile == 0x12) ||
+			(0 && d->current_profile == 0x43))) /* >>> */
 			goto unsuitable_media;
 		      
 		format_type = d->format_descriptors[index].type;
@@ -2741,6 +2747,31 @@ selected_not_suitable:;
 			format_type == 0x15 ? "quick" : "full");
 		return_immediately = 1; /* caller must do the waiting */
 
+	} else if (0 && d->current_profile == 0x12) {
+		/* DVD-RAM */
+		format_type = 0x00;
+		if(flag & 4) {
+			/* >>> search for largest 0x00 format descriptor */;
+		} else {
+			/* >>> search for smallest 0x00 descriptor >= size */;
+		}
+		/* >>> */;		
+
+	} else if (0 && d->current_profile == 0x43 &&
+			burn_support_untested_profiles) {
+		/* BD-RE */
+		format_type = 0x00;
+		if(flag & 4) {
+			/* >>> search for format 0x31 */;
+			/* >>> if 0x31 : */
+				/* >>> format_type = 0x31; */
+			/* >>> else */
+				/* >>> search largest 0x30 format descriptor */;
+		} else {
+			/* >>> search for smallest 0x30 descriptor >= size */;
+		}
+		/* >>> */;		
+		
 	} else { 
 
 	/* >>> other formattable types to come */

libburn/options.c

@@ -38,6 +38,7 @@ struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive)
 	opts->start_byte = -1;
 	opts->fill_up_media = 0;
 	opts->force_is_set = 0;
+	opts->do_stream_recording = 0;
 	opts->has_mediacatalog = 0;
 	opts->format = BURN_CDROM;
 	opts->multi = 0;
@@ -380,6 +381,16 @@ void burn_write_opts_set_force(struct burn_write_opts *opts, int use_force)
 }
 
 
+/* ts A80412: API */
+void burn_write_opts_set_stream_recording(struct burn_write_opts *opts,
+					 int value)
+{
+	opts->do_stream_recording = !!value;
+}
+
+
+
+
 /* ts A70901: API */
 struct burn_drive *burn_write_opts_get_drive(struct burn_write_opts *opts)
 {

libburn/options.h

@@ -49,6 +49,11 @@ struct burn_write_opts
 	*/
 	int force_is_set;
 
+	/* ts A80412 : whether to use WRITE12 with Streaming bit set
+	   rather than WRITE10. Speeds up DVD-RAM. Might help with BD-RE.
+	   This gets transferred to burn_drive.do_stream_recording */
+	int do_stream_recording;
+
 	/** A disc can have a media catalog number */
 	int has_mediacatalog;
 	unsigned char mediacatalog[13];

libburn/transport.h

@@ -187,6 +187,11 @@ struct burn_drive
 	               synchronize chache has happened yet */
 	int needs_sync_cache;
 
+	/* ts A80412 : whether to use WRITE12 with Streaming bit set
+	               rather than WRITE10. Speeds up DVD-RAM. Might help
+	               with BD-RE */
+	int do_stream_recording;
+
 	/* ts A61218 from 51h READ DISC INFORMATION */
 	int bg_format_status; /* 0=needs format start, 1=needs format restart*/
 

libburn/write.c

@@ -1978,6 +1978,9 @@ void burn_disc_write_sync(struct burn_write_opts *o, struct burn_disc *disc)
 	/* ts A61224 */
 	burn_disc_init_write_status(o, disc); /* must be done very early */
 
+	/* ts A80412 */
+	d->do_stream_recording = o->do_stream_recording;
+
 	d->buffer = &buf;
 	memset(d->buffer, 0, sizeof(struct buffer));
 	d->rlba = -150;
@@ -1988,14 +1991,14 @@ void burn_disc_write_sync(struct burn_write_opts *o, struct burn_disc *disc)
 		ret = burn_stdio_write_sync(o, disc);
 		if (ret <= 0)
 			goto fail_wo_sync;
-		return;
+		goto ex;
 	}
 	/* ts A61218 */
 	if (! d->current_is_cd_profile) {
 		ret = burn_dvd_write_sync(o, disc);
 		if (ret <= 0)
 			goto fail_wo_sync;
-		return;
+		goto ex;
 	}
 
 	/* ts A70218 */
@@ -2148,7 +2151,7 @@ return crap.  so we send the command, then ignore the result.
 
 	/* ts A61012 : This return was traditionally missing. I suspect this
 			to have caused Cdrskin_eject() failures */
-	return;
+	goto ex;
 
 fail:
 	d->sync_cache(d);
@@ -2160,6 +2163,9 @@ fail_wo_sync:;
 			"Burn run failed", 0, 0);
 	d->cancel = 1;
 	d->busy = BURN_DRIVE_IDLE;
+ex:;
+	d->do_stream_recording = 0;
+	return;
 }
 
 /* ts A70811 : API function */