Implemented libburn builtin fine granulated drive buffer min-fill recording

cdrskin/cdrskin.c

@@ -177,6 +177,7 @@ or
 #define Cdrskin_libburn_has_buffer_progresS 1
 #define Cdrskin_libburn_has_pretend_fulL 1
 #define Cdrskin_libburn_has_multI 1
+#define Cdrskin_libburn_has_buffer_min_filL 1
 #endif
 
 #ifndef Cdrskin_libburn_versioN
@@ -4624,6 +4625,16 @@ fifo_full_at_end:;
   "Cdrskin: fifo was %.f times empty and %.f times full, min fill was %d%%.\n",
              empty_counter,full_counter,fifo_percent);
    }
+   drive_status= burn_drive_get_status(drive, &p);
+
+#ifdef Cdrskin_libburn_has_buffer_min_filL
+   /* cdrskin recorded its own coarse min_buffer_fill.
+      libburn's is finer - if enough bytes were processed so it is available.*/
+   if(p.buffer_min_fill<=p.buffer_capacity && p.buffer_capacity>0)
+     min_buffer_fill= 100.0 * 
+                      ((double) p.buffer_min_fill)/(double) p.buffer_capacity;
+#endif /* Cdrskin_libburn_has_buffer_min_filL */
+
    if(min_buffer_fill>100)
      min_buffer_fill= 50;
    printf("Min drive buffer fill was %d%%\n", min_buffer_fill);

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2006.11.18.194606"
+#define Cdrskin_timestamP "2006.11.19.114413"

libburn/libburn.h

@@ -388,9 +388,11 @@ struct burn_progress {
 	int index;
 	/** The starting logical block address */
 	int start_sector;
-	/** The number of sector */
+	/** On write: The number of sectors.
+	    On blank: 0x10000 as upper limit for relative progress steps */
 	int sectors;
-	/** The current sector being processed */
+	/** On write: The current sector being processed.
+	    On blank: Relative progress steps 0 to 0x10000 */
 	int sector;
 
 	/* ts A61023 */
@@ -398,6 +400,14 @@ struct burn_progress {
 	unsigned buffer_capacity;
 	/** The free space in the drive buffer (might be slightly outdated) */
 	unsigned buffer_available;
+
+	/* ts A61119 */
+	/** The number of bytes sent to the drive buffer */
+	off_t buffered_bytes;
+	/** The minimum number of buffered bytes. (Caution: Before surely
+	    one buffer size of bytes was processed, this value is 0xffffffff.) 
+	*/
+	unsigned buffer_min_fill;
 };
 
 /** Initialize the library.

libburn/mmc.c

@@ -874,6 +874,14 @@ int mmc_read_buffer_capacity(struct burn_drive *d)
 			(data[4]<<24)|(data[5]<<16)|(data[6]<<8)|data[7];
 	d->progress.buffer_available =
 			(data[8]<<24)|(data[9]<<16)|(data[10]<<8)|data[11];
+	if (d->progress.buffered_bytes >= d->progress.buffer_capacity){
+		double fill;
+
+		fill = d->progress.buffer_capacity
+			      - d->progress.buffer_available;
+		if (fill < d->progress.buffer_min_fill && fill>=0)
+			d->progress.buffer_min_fill = fill;
+	}
 	return 1;
 }
 

libburn/sector.c

@@ -228,6 +228,8 @@ static unsigned char *get_sector(struct burn_write_opts *opts,
 			track->writecount += out->bytes;
 			track->written_sectors += out->sectors;
 		}
+		/* ts A61119 */
+		d->progress.buffered_bytes += out->bytes;
 
 		d->nwa += out->sectors;
 		out->bytes = 0;

libburn/write.c

@@ -125,6 +125,8 @@ int burn_write_flush(struct burn_write_opts *o, struct burn_track *track)
 			track->writecount += d->buffer->bytes;
 			track->written_sectors += d->buffer->sectors;
 		}
+		/* ts A61119 */
+		d->progress.buffered_bytes += d->buffer->bytes;
 
 		d->nwa += d->buffer->sectors;
 		d->buffer->bytes = 0;
@@ -178,6 +180,7 @@ int burn_write_close_track(struct burn_write_opts *o, struct burn_session *s,
 			d->nwa += d->buffer->sectors;
 			t->writecount += d->buffer->bytes;
 			t->written_sectors += d->buffer->sectors;
+			d->progress.buffered_bytes += d->buffer->bytes;
 		}
 		d->cancel = cancelled;
 	}
@@ -651,7 +654,7 @@ int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
 
         burn_print(12, "track %d is %d sectors long\n", tnum, sectors);
 
-	/* ts A61030 : this cannot happen. tnum is alsways < s-tracks */
+	/* ts A61030 : this cannot happen. tnum is always < s->tracks */
 	if (tnum == s->tracks)
 		tmp = sectors > 150 ? 150 : sectors;
 
@@ -710,6 +713,8 @@ int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
 			/* A61101 : probably this is not all payload data */
 			/* A61108 : but audio count is short without this */
 			t->writecount += d->buffer->bytes;
+			t->written_sectors += d->buffer->sectors;
+			d->progress.buffered_bytes += d->buffer->bytes;
 
 			d->nwa += d->buffer->sectors;
 			d->buffer->bytes = 0;
@@ -815,6 +820,8 @@ return crap.  so we send the command, then ignore the result.
 	/* ts A61023 */
 	d->progress.buffer_capacity = 0;
 	d->progress.buffer_available = 0;
+	d->progress.buffered_bytes = 0;
+	d->progress.buffer_min_fill = 0xffffffff;
 
 	d->busy = BURN_DRIVE_WRITING;