New API function burn_drive_set_stream_recording()

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2009.02.20.132334"
+#define Cdrskin_timestamP "2009.02.27.143100"

libburn/drive.c

@@ -62,6 +62,7 @@ int burn_setup_drive(struct burn_drive *d, char *fname)
 	d->stdio_fd = -1;
 	d->status = BURN_DISC_UNREADY;
 	d->do_stream_recording = 0;
+        d->stream_recording_start= 0;
 	return 1;
 }
 
@@ -792,6 +793,18 @@ enum burn_drive_status burn_drive_get_status(struct burn_drive *d,
 	return d->busy;
 }
 
+int burn_drive_set_stream_recording(struct burn_drive *d, int recmode,
+                                    int start, int flag)
+{
+
+	if (recmode == 1)
+		d->do_stream_recording = 1;
+	else if (recmode == -1)
+		d->do_stream_recording = 0;
+	d->stream_recording_start = start;
+	return(1);
+}
+
 void burn_drive_cancel(struct burn_drive *d)
 {
 	pthread_mutex_lock(&d->access_lock);

libburn/libburn.h

@@ -1388,6 +1388,28 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
 */
 void burn_disc_write(struct burn_write_opts *o, struct burn_disc *disc);
 
+
+/* ts A90227 */
+/** Control stream recording during the write run and eventually set the start
+    LBA for stream recording.
+    Stream recording is set from struct burn_write_opts when the write run
+    gets started. See burn_write_opts_set_stream_recording().
+    The call described here can be used later to override this setting and
+    to program automatic switching at a given LBA. It also affects subsequent
+    calls to burn_random_access_write().
+    @param drive    The drive which performs the write operation.
+    @param recmode  -1= disable stream recording
+                     0= leave setting as is
+                     1= enable stream recording
+    @param start    The LBA where actual stream recording shall start.
+                    (0 means unconditional stream recording)
+    @param flag     Bitfield for control purposes (unused yet, submit 0).
+    @return         1=success , <=0 failure
+    @since 0.6.4
+*/
+int burn_drive_set_stream_recording(struct burn_drive *drive, int recmode,
+                                    int start, int flag);
+
 /** Cancel an operation on a drive.
     This will only work when the drive's busy state is BURN_DRIVE_READING or
     BURN_DRIVE_WRITING.
@@ -1906,12 +1928,15 @@ 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
+    sets the Streaming bit. With DVD-RAM and BD this can override the
-    slowdown to half nominal speed. But if it speeds up writing then it also
+    traditional slowdown to half nominal speed. But if it speeds up writing
-    disables error management and correction. Weigh your priorities.
+    then it also disables error management and correction. Weigh your
-    This only affects the write operations of burn_disc_write().
+    priorities. This affects the write operations of burn_disc_write()
+    and subsequent calls of burn_random_access_write().
     @param opts The write opts to change
     @param value  0=use 2Ah WRITE10, 1=use AAh WRITE12 with Streaming bit
+                  @since 0.6.4:
+                  >=16 use WRITE12 but not before the LBA given by value
     @since 0.4.6
 */
 void burn_write_opts_set_stream_recording(struct burn_write_opts *opts, 

libburn/mmc.c

@@ -55,10 +55,10 @@ extern struct libdax_msgs *libdax_messenger;
 /* ts A70306 */
 #define Libburn_support_dvd_plus_R 1
 
-/* ts A70509 : handling 0x41 and 0x42 as read-only types */
+/* ts A70509 : handling 0x41 as read-only type */
 #define Libburn_support_bd_r_readonlY 1
 
-/* >>> ts A81208 */
+/* ts A81208 */
 #define Libburn_support_bd_plus_r_srM 1
 
 
@@ -124,6 +124,7 @@ extern struct libdax_msgs *libdax_messenger;
                BD-RE is now an officially supported profile.
    ts A81209 : The first two sessions have been written to BD-R SRM
                (auto formatted without Defect Management).
+   ts A90107 : BD-R is now supported media type
 */
 
 /* ts A70519 : With MMC commands of data direction FROM_DRIVE:
@@ -744,7 +745,7 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
 		mmc_wait_for_buffer_free(d, buf);
 
 	/* ts A80412 */
-	if(d->do_stream_recording > 0)  {
+	if(d->do_stream_recording > 0 && start >= d->stream_recording_start) {
 
 		/* >>> ??? is WRITE12 available ?  */
 			/* >>> ??? inquire feature 107h Stream Writing bit ? */

libburn/options.c

@@ -385,7 +385,7 @@ void burn_write_opts_set_force(struct burn_write_opts *opts, int use_force)
 void burn_write_opts_set_stream_recording(struct burn_write_opts *opts,
 					 int value)
 {
-	opts->do_stream_recording = !!value;
+	opts->do_stream_recording = value;
 }
 
 

libburn/transport.h

@@ -205,6 +205,11 @@ struct burn_drive
 	               with BD-RE */
 	int do_stream_recording;
 
+        /* ts A90227 : the LBA where stream recording shall start.
+                       Writing to lower LBA will be done without streaming.
+        */
+        int stream_recording_start;
+
 	/* ts A61218 from 51h READ DISC INFORMATION */
 	int bg_format_status; /* 0=needs format start, 1=needs format restart*/
 

libburn/write.c

@@ -2106,8 +2106,12 @@ 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 */
+	/* ts A80412 , A90227 */
-	d->do_stream_recording = o->do_stream_recording;
+	d->do_stream_recording = !!o->do_stream_recording;
+	if (o->do_stream_recording >= 16)
+		d->stream_recording_start = o->do_stream_recording;
+	else
+		d->stream_recording_start = 0;
 
 	d->buffer = &buf;
 	memset(d->buffer, 0, sizeof(struct buffer));