--- src/burn-medium-scsi.c.orig 2008-02-06 01:53:39.000000000 -0500
+++ src/burn-medium-scsi.c 2008-02-06 01:54:19.000000000 -0500
@@ -0,0 +1,2070 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/*
+ * brasero
+ * Copyright (C) Philippe Rouquier 2007 <bonfire-app@wanadoo.fr>
+ *
+ * brasero is free software.
+ *
+ * You may redistribute it and/or modify it under the terms of the
+ * GNU General Public License, as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * brasero 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 brasero. If not, write to:
+ * The Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+
+#include <nautilus-burn-drive.h>
+
+#include "burn-basics.h"
+#include "burn-debug.h"
+#include "burn-medium.h"
+#include "scsi-mmc1.h"
+#include "scsi-mmc2.h"
+#include "scsi-mmc3.h"
+#include "scsi-spc1.h"
+#include "scsi-utils.h"
+#include "scsi-mode-pages.h"
+#include "scsi-status-page.h"
+#include "scsi-q-subchannel.h"
+#include "scsi-dvd-structures.h"
+#include "burn-volume.h"
+#include "brasero-ncb.h"
+
+const gchar *icons [] = { "gnome-dev-removable",
+ "gnome-dev-cdrom",
+ "gnome-dev-disc-cdr",
+ "gnome-dev-disc-cdrw",
+ "gnome-dev-disc-dvdrom",
+ "gnome-dev-disc-dvdr",
+ "gnome-dev-disc-dvdrw",
+ "gnome-dev-disc-dvdr-plus",
+ "gnome-dev-disc-dvdram",
+ NULL };
+const gchar *types [] = { N_("file"),
+ N_("CDROM"),
+ N_("CD-R"),
+ N_("CD-RW"),
+ N_("DVDROM"),
+ N_("DVD-R"),
+ N_("DVD-RW"),
+ N_("DVD+R"),
+ N_("DVD+RW"),
+ N_("DVD+R dual layer"),
+ N_("DVD+RW dual layer"),
+ N_("DVD-R dual layer"),
+ N_("DVD-RAM"),
+ N_("Blu-ray disc"),
+ N_("Writable Blu-ray disc"),
+ N_("Rewritable Blu-ray disc"),
+ NULL };
+
+
+typedef struct _BraseroMediumPrivate BraseroMediumPrivate;
+struct _BraseroMediumPrivate
+{
+ gint retry_id;
+
+ GSList * tracks;
+
+ const gchar *type;
+ const gchar *icon;
+
+ gint max_rd;
+ gint max_wrt;
+
+ gint *rd_speeds;
+ gint *wr_speeds;
+
+ gint64 block_num;
+ gint64 block_size;
+
+ guint64 next_wr_add;
+ BraseroMedia info;
+ NautilusBurnDrive * drive;
+};
+
+#define BRASERO_MEDIUM_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), BRASERO_TYPE_MEDIUM, BraseroMediumPrivate))
+
+/**
+ * Try to open the drive exclusively but don't block; if drive can't be opened
+ * exclusively then retry every second until we're shut or the drive state
+ * changes to not busy.
+ * No exclusive at the moment since when the medium is mounted we can't use excl
+ */
+
+#define OPEN_FLAGS O_RDONLY /*|O_EXCL */|O_NONBLOCK
+#define BUSY_RETRY_TIME 1000
+
+enum
+{
+ PROP_0,
+ PROP_DRIVE
+};
+
+static GObjectClass* parent_class = NULL;
+
+const gchar *
+brasero_medium_get_type_string (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return priv->type;
+}
+
+const gchar *
+brasero_medium_get_icon (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return priv->icon;
+}
+
+BraseroMedia
+brasero_medium_get_status (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return priv->info;
+}
+
+GSList *
+brasero_medium_get_tracks (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return g_slist_copy (priv->tracks);
+}
+
+gboolean
+brasero_medium_get_last_data_track_address (BraseroMedium *medium,
+ gint64 *byte,
+ gint64 *sector)
+{
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track = NULL;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *current;
+
+ current = iter->data;
+ if (current->type & BRASERO_MEDIUM_TRACK_DATA)
+ track = current;
+ }
+
+ if (!track) {
+ if (byte)
+ *byte = -1;
+ if (sector)
+ *sector = -1;
+ return FALSE;
+ }
+
+ if (byte)
+ *byte = track->start * priv->block_size;
+
+ if (sector)
+ *sector = track->start;
+
+ return TRUE;
+}
+
+gboolean
+brasero_medium_get_last_data_track_space (BraseroMedium *medium,
+ gint64 *size,
+ gint64 *blocks)
+{
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track = NULL;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *current;
+
+ current = iter->data;
+ if (current->type & BRASERO_MEDIUM_TRACK_DATA)
+ track = current;
+ }
+
+ if (!track) {
+ if (size)
+ *size = -1;
+ if (blocks)
+ *blocks = -1;
+ return FALSE;
+ }
+
+ if (size)
+ *size = track->blocks_num * priv->block_size;
+ if (blocks)
+ *blocks = track->blocks_num;
+
+ return TRUE;
+}
+
+guint
+brasero_medium_get_track_num (BraseroMedium *medium)
+{
+ guint retval = 0;
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *current;
+
+ current = iter->data;
+ if (current->type & BRASERO_MEDIUM_TRACK_LEADOUT)
+ break;
+
+ retval ++;
+ }
+
+ return retval;
+}
+
+static BraseroMediumTrack *
+brasero_medium_get_track (BraseroMedium *medium,
+ guint num)
+{
+ guint i = 1;
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *current;
+
+ current = iter->data;
+ if (current->type == BRASERO_MEDIUM_TRACK_LEADOUT)
+ break;
+
+ if (i == num)
+ return current;
+
+ i++;
+ }
+
+ return NULL;
+}
+
+gboolean
+brasero_medium_get_track_space (BraseroMedium *medium,
+ guint num,
+ gint64 *size,
+ gint64 *blocks)
+{
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ track = brasero_medium_get_track (medium, num);
+ if (!track) {
+ if (size)
+ *size = -1;
+ if (blocks)
+ *blocks = -1;
+ return FALSE;
+ }
+
+ if (size)
+ *size = track->blocks_num * priv->block_size;
+ if (blocks)
+ *blocks = track->blocks_num;
+
+ return TRUE;
+}
+
+gboolean
+brasero_medium_get_track_address (BraseroMedium *medium,
+ guint num,
+ gint64 *byte,
+ gint64 *sector)
+{
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ track = brasero_medium_get_track (medium, num);
+ if (!track) {
+ if (byte)
+ *byte = -1;
+ if (sector)
+ *sector = -1;
+ return FALSE;
+ }
+
+ if (byte)
+ *byte = track->start * priv->block_size;
+ if (sector)
+ *sector = track->start;
+
+ return TRUE;
+}
+
+gint64
+brasero_medium_get_next_writable_address (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return priv->next_wr_add;
+}
+
+gint64
+brasero_medium_get_max_write_speed (BraseroMedium *medium)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+ return priv->max_wrt * 1024;
+}
+
+/**
+ * NOTEs about the following functions:
+ * for all closed media (including ROM types) capacity == size of data and
+ * should be the size of all data on the disc, free space is 0
+ * for all blank -R types capacity == free space and size of data == 0
+ * for all multisession -R types capacity == free space since having the real
+ * capacity of the media would be useless as we can only use this type of media
+ * to append more data
+ * for all -RW types capacity = free space + size of data. Here they can be
+ * appended (use free space) or rewritten (whole capacity).
+ *
+ * Usually:
+ * the free space is the size of the leadout track
+ * the size of data is the sum of track sizes (excluding leadout)
+ * the capacity depends on the media:
+ * for closed discs == sum of track sizes
+ * for multisession discs == free space (leadout size)
+ * for blank discs == (free space) leadout size
+ * for rewritable/blank == use SCSI functions to get capacity (see below)
+ *
+ * In fact we should really need the size of data in DVD+/-RW cases since the
+ * session is always equal to the size of the disc.
+ */
+
+void
+brasero_medium_get_data_size (BraseroMedium *medium,
+ gint64 *size,
+ gint64 *blocks)
+{
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track = NULL;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ if (!priv->tracks) {
+ /* that's probably because it wasn't possible to retrieve info */
+ if (size)
+ *size = 0;
+
+ if (blocks)
+ *blocks = 0;
+
+ return;
+ }
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *tmp;
+
+ tmp = iter->data;
+ if (tmp->type == BRASERO_MEDIUM_TRACK_LEADOUT)
+ break;
+
+ track = iter->data;
+ }
+
+ if (size)
+ *size = track ? (track->start + track->blocks_num) * priv->block_size: 0;
+
+ if (blocks)
+ *blocks = track ? track->start + track->blocks_num: 0;
+}
+
+void
+brasero_medium_get_free_space (BraseroMedium *medium,
+ gint64 *size,
+ gint64 *blocks)
+{
+ GSList *iter;
+ BraseroMediumPrivate *priv;
+ BraseroMediumTrack *track = NULL;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ if (!priv->tracks) {
+ /* that's probably because it wasn't possible to retrieve info.
+ * maybe it also happens with unformatted DVD+RW */
+
+ if (priv->info & BRASERO_MEDIUM_CLOSED) {
+ if (size)
+ *size = 0;
+
+ if (blocks)
+ *blocks = 0;
+ }
+ else {
+ if (size)
+ *size = priv->block_num * priv->block_size;
+
+ if (blocks)
+ *blocks = priv->block_num;
+ }
+
+ return;
+ }
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *tmp;
+
+ tmp = iter->data;
+ if (tmp->type == BRASERO_MEDIUM_TRACK_LEADOUT) {
+ track = iter->data;
+ break;
+ }
+ }
+
+ if (size) {
+ if (!track) {
+ /* No leadout was found so the disc is probably closed:
+ * no free space left. */
+ *size = 0;
+ }
+ else if (track->blocks_num <= 0)
+ *size = (priv->block_num - track->start) * priv->block_size;
+ else
+ *size = track->blocks_num * priv->block_size;
+ }
+
+ if (blocks) {
+ if (!track) {
+ /* No leadout was found so the disc is probably closed:
+ * no free space left. */
+ *blocks = 0;
+ }
+ else if (track->blocks_num <= 0)
+ *blocks = priv->block_num - track->blocks_num;
+ else
+ *blocks = track->blocks_num;
+ }
+}
+
+void
+brasero_medium_get_capacity (BraseroMedium *medium,
+ gint64 *size,
+ gint64 *blocks)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (medium);
+
+ if (priv->info & BRASERO_MEDIUM_REWRITABLE) {
+ if (size)
+ *size = priv->block_num * priv->block_size;
+
+ if (blocks)
+ *blocks = priv->block_num;
+ }
+ else if (priv->info & BRASERO_MEDIUM_CLOSED)
+ brasero_medium_get_data_size (medium, size, blocks);
+ else
+ brasero_medium_get_free_space (medium, size, blocks);
+}
+
+/**
+ * Function to retrieve the capacity of a media
+ */
+
+static BraseroBurnResult
+brasero_medium_get_capacity_CD_RW (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiAtipData *atip_data = NULL;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ int size = 0;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ BRASERO_BURN_LOG ("Retrieving capacity from atip");
+
+ result = brasero_mmc1_read_atip (fd,
+ &atip_data,
+ &size,
+ NULL);
+
+ if (result != BRASERO_SCSI_OK) {
+ BRASERO_BURN_LOG ("READ ATIP failed (scsi error)");
+ return BRASERO_BURN_ERR;
+ }
+
+ /* check the size of the structure: it must be at least 16 bytes long */
+ if (size < 16) {
+ if (size)
+ g_free (atip_data);
+
+ BRASERO_BURN_LOG ("READ ATIP failed (wrong size)");
+ return BRASERO_BURN_ERR;
+ }
+
+ priv->block_num = BRASERO_MSF_TO_LBA (atip_data->desc->leadout_mn,
+ atip_data->desc->leadout_sec,
+ atip_data->desc->leadout_frame);
+ g_free (atip_data);
+
+ BRASERO_BURN_LOG ("Format capacity %lli %lli",
+ priv->block_num,
+ priv->block_size);
+
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_capacity_DVD_RW (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiFormatCapacitiesHdr *hdr = NULL;
+ BraseroScsiMaxCapacityDesc *current;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ gint size;
+
+ BRASERO_BURN_LOG ("Retrieving format capacity");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ result = brasero_mmc2_read_format_capacities (fd,
+ &hdr,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (hdr);
+
+ BRASERO_BURN_LOG ("READ FORMAT CAPACITIES failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ current = hdr->max_caps;
+
+ /* see if the media is already formatted */
+ if (current->type != BRASERO_SCSI_DESC_FORMATTED) {
+ int i, max;
+ BraseroScsiFormattableCapacityDesc *desc;
+
+ max = (hdr->len -
+ sizeof (BraseroScsiMaxCapacityDesc)) /
+ sizeof (BraseroScsiFormattableCapacityDesc);
+
+ desc = hdr->desc;
+ for (i = 0; i < max; i ++, desc ++) {
+ /* search for the correct descriptor */
+ if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_PLUS)) {
+ if (desc->format_type == BRASERO_SCSI_DVDRW_PLUS) {
+ priv->block_num = BRASERO_GET_32 (desc->blocks_num);
+ priv->block_size = BRASERO_GET_24 (desc->type_param);
+
+ /* that can happen */
+ if (!priv->block_size)
+ priv->block_size = 2048;
+ break;
+ }
+ }
+ else if (desc->format_type == BRASERO_SCSI_BLOCK_SIZE_DEFAULT_AND_DB) {
+ priv->block_num = BRASERO_GET_32 (desc->blocks_num);
+ priv->block_size = BRASERO_GET_24 (desc->type_param);
+ break;
+ }
+ }
+ }
+ else {
+ priv->block_num = BRASERO_GET_32 (current->blocks_num);
+ priv->block_size = BRASERO_GET_24 (current->block_size);
+ }
+
+ BRASERO_BURN_LOG ("Format capacity %lli %lli",
+ priv->block_num,
+ priv->block_size);
+
+ g_free (hdr);
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_capacity_by_type (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ priv->block_size = 2048;
+
+ if (!(priv->info & BRASERO_MEDIUM_REWRITABLE))
+ return BRASERO_BURN_OK;
+
+ if (priv->info & BRASERO_MEDIUM_CD)
+ brasero_medium_get_capacity_CD_RW (self, fd, code);
+ else
+ brasero_medium_get_capacity_DVD_RW (self, fd, code);
+
+ return BRASERO_BURN_OK;
+}
+
+/**
+ * Functions to retrieve the speed
+ */
+
+static BraseroBurnResult
+brasero_medium_get_speed_mmc3 (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ int size;
+ int num_desc, i;
+ gint max_rd, max_wrt;
+ BraseroScsiResult result;
+ BraseroMediumPrivate *priv;
+ BraseroScsiWrtSpdDesc *desc;
+ BraseroScsiGetPerfData *wrt_perf = NULL;
+
+ BRASERO_BURN_LOG ("Retrieving speed (Get Performance)");
+
+ /* NOTE: this only work if there is RT streaming feature with
+ * wspd bit set to 1. At least an MMC3 drive. */
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ result = brasero_mmc3_get_performance_wrt_spd_desc (fd,
+ &wrt_perf,
+ &size,
+ code);
+
+ if (result != BRASERO_SCSI_OK) {
+ g_free (wrt_perf);
+
+ BRASERO_BURN_LOG ("GET PERFORMANCE failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ num_desc = (size - sizeof (BraseroScsiGetPerfHdr)) /
+ sizeof (BraseroScsiWrtSpdDesc);
+
+ if (num_desc <= 0)
+ goto end;
+
+ priv->rd_speeds = g_new0 (gint, num_desc + 1);
+ priv->wr_speeds = g_new0 (gint, num_desc + 1);
+
+ max_rd = 0;
+ max_wrt = 0;
+
+ desc = (BraseroScsiWrtSpdDesc*) &wrt_perf->data;
+ for (i = 0; i < num_desc; i ++, desc ++) {
+ priv->rd_speeds [i] = BRASERO_GET_32 (desc->rd_speed);
+ priv->wr_speeds [i] = BRASERO_GET_32 (desc->wr_speed);
+
+ max_rd = MAX (max_rd, priv->rd_speeds [i]);
+ max_wrt = MAX (max_wrt, priv->wr_speeds [i]);
+ }
+
+ priv->max_rd = max_rd;
+ priv->max_wrt = max_wrt;
+
+end:
+
+ g_free (wrt_perf);
+
+ /* strangely there are so drives (I know one case) which support this
+ * function but don't report any speed. So if our top speed is 0 then
+ * use the other way to get the speed. It was a Teac */
+ if (!priv->max_wrt)
+ return BRASERO_BURN_ERR;
+
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_page_2A_write_speed_desc (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiStatusPage *page_2A = NULL;
+ BraseroScsiStatusWrSpdDesc *desc;
+ BraseroScsiModeData *data = NULL;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ gint desc_num, i;
+ gint max_wrt = 0;
+ gint max_num;
+ int size = 0;
+
+ BRASERO_BURN_LOG ("Retrieving speed (2A speeds)");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ result = brasero_spc1_mode_sense_get_page (fd,
+ BRASERO_SPC_PAGE_STATUS,
+ &data,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (data);
+
+ BRASERO_BURN_LOG ("MODE SENSE failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ page_2A = (BraseroScsiStatusPage *) &data->page;
+
+ /* FIXME: the following is not necessarily true */
+ if (size < sizeof (BraseroScsiStatusPage)) {
+ g_free (data);
+
+ BRASERO_BURN_LOG ("wrong size in page");
+ return BRASERO_BURN_ERR;
+ }
+
+ desc_num = BRASERO_GET_16 (page_2A->wr_speed_desc_num);
+ max_num = size -
+ sizeof (BraseroScsiStatusPage) -
+ sizeof (BraseroScsiModeHdr);
+ max_num /= sizeof (BraseroScsiWrtSpdDesc);
+
+ if (max_num < 0)
+ max_num = 0;
+
+ if (desc_num > max_num)
+ desc_num = max_num;
+
+ priv->wr_speeds = g_new0 (gint, desc_num + 1);
+ desc = page_2A->wr_spd_desc;
+ for (i = 0; i < desc_num; i ++, desc ++) {
+ priv->wr_speeds [i] = BRASERO_GET_16 (desc->speed);
+ max_wrt = MAX (max_wrt, priv->wr_speeds [i]);
+ }
+
+ if (!max_wrt)
+ priv->max_wrt = BRASERO_GET_16 (page_2A->wr_max_speed);
+ else
+ priv->max_wrt = max_wrt;
+
+ priv->max_rd = BRASERO_GET_16 (page_2A->rd_max_speed);
+ g_free (data);
+
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_page_2A_max_speed (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiStatusPage *page_2A = NULL;
+ BraseroScsiModeData *data = NULL;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ int size = 0;
+
+ BRASERO_BURN_LOG ("Retrieving speed (2A max)");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ result = brasero_spc1_mode_sense_get_page (fd,
+ BRASERO_SPC_PAGE_STATUS,
+ &data,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (data);
+
+ BRASERO_BURN_LOG ("MODE SENSE failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ page_2A = (BraseroScsiStatusPage *) &data->page;
+
+ if (size < 0x14) {
+ g_free (data);
+
+ BRASERO_BURN_LOG ("wrong page size");
+ return BRASERO_BURN_ERR;
+ }
+
+ priv->max_rd = BRASERO_GET_16 (page_2A->rd_max_speed);
+ priv->max_wrt = BRASERO_GET_16 (page_2A->wr_max_speed);
+
+ g_free (data);
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_medium_type (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiGetConfigHdr *hdr = NULL;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ int size;
+
+ BRASERO_BURN_LOG ("Retrieving media profile");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ result = brasero_mmc2_get_configuration_feature (fd,
+ BRASERO_SCSI_FEAT_REAL_TIME_STREAM,
+ &hdr,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ BraseroScsiAtipData *data = NULL;
+ int size = 0;
+
+ BRASERO_BURN_LOG ("GET CONFIGURATION failed");
+
+ /* This could be a MMC1 drive since this command was
+ * introduced in MMC2 and is supported onward. So it
+ * has to be a CD (R/RW). The rest of the information
+ * will be provided by read_disc_information. */
+
+ /* The only thing here left to determine is if that's a WRITABLE
+ * or a REWRITABLE. To determine that information, we need to
+ * read TocPmaAtip. It if fails that's a ROM, if it succeeds.
+ * No need to set error code since we consider that it's a ROM
+ * if a failure happens. */
+ result = brasero_mmc1_read_atip (fd,
+ &data,
+ &size,
+ NULL);
+ if (result != BRASERO_SCSI_OK) {
+ /* CDROM */
+ priv->info = BRASERO_MEDIUM_CDROM;
+ priv->type = types [1];
+ priv->icon = icons [1];
+ }
+ else {
+ /* check the size of the structure: it must be at least 8 bytes long */
+ if (size < 8) {
+ if (size)
+ g_free (data);
+
+ BRASERO_BURN_LOG ("READ ATIP failed (wrong size)");
+ return BRASERO_BURN_ERR;
+ }
+
+ if (data->desc->erasable) {
+ /* CDRW */
+ priv->info = BRASERO_MEDIUM_CDRW;
+ priv->type = types [3];
+ priv->icon = icons [3];
+ }
+ else {
+ /* CDR */
+ priv->info = BRASERO_MEDIUM_CDR;
+ priv->type = types [2];
+ priv->icon = icons [2];
+ }
+
+ g_free (data);
+ }
+
+ /* retrieve the speed */
+ result = brasero_medium_get_page_2A_max_speed (self,
+ fd,
+ code);
+ return result;
+ }
+
+ switch (BRASERO_GET_16 (hdr->current_profile)) {
+ case BRASERO_SCSI_PROF_CDROM:
+ priv->info = BRASERO_MEDIUM_CDROM;
+ priv->type = types [1];
+ priv->icon = icons [1];
+ break;
+
+ case BRASERO_SCSI_PROF_CDR:
+ priv->info = BRASERO_MEDIUM_CDR;
+ priv->type = types [2];
+ priv->icon = icons [2];
+ break;
+
+ case BRASERO_SCSI_PROF_CDRW:
+ priv->info = BRASERO_MEDIUM_CDRW;
+ priv->type = types [3];
+ priv->icon = icons [3];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_ROM:
+ priv->info = BRASERO_MEDIUM_DVD_ROM;
+ priv->type = types [4];
+ priv->icon = icons [4];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_R:
+ priv->info = BRASERO_MEDIUM_DVDR;
+ priv->type = types [5];
+ priv->icon = icons [5];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_RW_RESTRICTED:
+ priv->info = BRASERO_MEDIUM_DVDRW_RESTRICTED;
+ priv->type = types [6];
+ priv->icon = icons [6];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_RW_SEQUENTIAL:
+ priv->info = BRASERO_MEDIUM_DVDRW;
+ priv->type = types [6];
+ priv->icon = icons [6];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_R_PLUS:
+ priv->info = BRASERO_MEDIUM_DVDR_PLUS;
+ priv->type = types [7];
+ priv->icon = icons [7];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_RW_PLUS:
+ priv->info = BRASERO_MEDIUM_DVDRW_PLUS;
+ priv->type = types [8];
+ priv->icon = icons [7];
+ break;
+
+ /* WARNING: these types are recognized, no more */
+ case BRASERO_SCSI_PROF_DVD_R_PLUS_DL:
+ priv->info = BRASERO_MEDIUM_DVDR_PLUS_DL;
+ priv->type = types [9];
+ priv->icon = icons [7];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_RW_PLUS_DL:
+ priv->info = BRASERO_MEDIUM_DVDRW_PLUS_DL;
+ priv->type = types [10];
+ priv->icon = icons [7];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_R_DL_SEQUENTIAL:
+ priv->info = BRASERO_MEDIUM_DVDR_DL;
+ priv->type = types [11];
+ priv->icon = icons [5];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_R_DL_JUMP:
+ priv->info = BRASERO_MEDIUM_DVDR_JUMP_DL;
+ priv->type = types [11];
+ priv->icon = icons [5];
+ break;
+
+ case BRASERO_SCSI_PROF_DVD_RAM:
+ priv->info = BRASERO_MEDIUM_DVD_RAM;
+ priv->type = types [12];
+ priv->icon = icons [8];
+ break;
+
+ case BRASERO_SCSI_PROF_BD_ROM:
+ priv->info = BRASERO_MEDIUM_BD_ROM;
+ priv->type = types [13];
+ priv->icon = icons [4];
+ break;
+
+ case BRASERO_SCSI_PROF_BR_R_SEQUENTIAL:
+ priv->info = BRASERO_MEDIUM_BDR;
+ priv->type = types [14];
+ priv->icon = icons [5];
+ break;
+
+ case BRASERO_SCSI_PROF_BR_R_RANDOM:
+ priv->info = BRASERO_MEDIUM_BDR_RANDOM;
+ priv->type = types [14];
+ priv->icon = icons [5];
+ break;
+
+ case BRASERO_SCSI_PROF_BD_RW:
+ priv->info = BRASERO_MEDIUM_BDRW;
+ priv->type = types [15];
+ priv->icon = icons [6];
+ break;
+
+ case BRASERO_SCSI_PROF_NON_REMOVABLE:
+ case BRASERO_SCSI_PROF_REMOVABLE:
+ case BRASERO_SCSI_PROF_MO_ERASABLE:
+ case BRASERO_SCSI_PROF_MO_WRITE_ONCE:
+ case BRASERO_SCSI_PROF_MO_ADVANCED_STORAGE:
+ case BRASERO_SCSI_PROF_DDCD_ROM:
+ case BRASERO_SCSI_PROF_DDCD_R:
+ case BRASERO_SCSI_PROF_DDCD_RW:
+ case BRASERO_SCSI_PROF_HD_DVD_ROM:
+ case BRASERO_SCSI_PROF_HD_DVD_R:
+ case BRASERO_SCSI_PROF_HD_DVD_RAM:
+ priv->info = BRASERO_MEDIUM_UNSUPPORTED;
+ priv->icon = icons [0];
+ g_free (hdr);
+ return BRASERO_BURN_NOT_SUPPORTED;
+ }
+
+ /* try all SCSI functions to get write/read speeds in order */
+ if (hdr->desc->add_len >= sizeof (BraseroScsiRTStreamDesc)) {
+ BraseroScsiRTStreamDesc *stream;
+
+ /* means it's at least an MMC3 drive */
+ stream = (BraseroScsiRTStreamDesc *) hdr->desc->data;
+ if (stream->wrt_spd) {
+ result = brasero_medium_get_speed_mmc3 (self, fd, code);
+ if (result == BRASERO_BURN_OK)
+ goto end;
+ }
+
+ if (stream->mp2a) {
+ result = brasero_medium_get_page_2A_write_speed_desc (self, fd, code);
+ if (result == BRASERO_BURN_OK)
+ goto end;
+ }
+ }
+
+ /* fallback for speeds */
+ result = brasero_medium_get_page_2A_max_speed (self, fd, code);
+
+end:
+
+ g_free (hdr);
+
+ if (result != BRASERO_BURN_OK)
+ return result;
+
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_css_feature (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiGetConfigHdr *hdr = NULL;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ int size;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ BRASERO_BURN_LOG ("Testing for Css encrypted media");
+ result = brasero_mmc2_get_configuration_feature (fd,
+ BRASERO_SCSI_FEAT_DVD_CSS,
+ &hdr,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (hdr);
+
+ BRASERO_BURN_LOG ("GET CONFIGURATION failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ if (hdr->desc->add_len < sizeof (BraseroScsiDVDCssDesc)) {
+ g_free (hdr);
+ return BRASERO_BURN_OK;
+ }
+
+ /* here we just need to see if this feature is current or not */
+ if (hdr->desc->current) {
+ priv->info |= BRASERO_MEDIUM_PROTECTED;
+ BRASERO_BURN_LOG ("media is Css protected");
+ }
+
+ g_free (hdr);
+ return BRASERO_BURN_OK;
+}
+
+/**
+ * Functions to get information about disc contents
+ */
+
+static void
+brasero_medium_set_track_type (BraseroMedium *self,
+ BraseroMediumTrack *track,
+ guchar control)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ if (control & BRASERO_SCSI_TRACK_COPY)
+ track->type |= BRASERO_MEDIUM_TRACK_COPY;
+
+ if (!(control & BRASERO_SCSI_TRACK_DATA)) {
+ track->type |= BRASERO_MEDIUM_TRACK_AUDIO;
+ priv->info |= BRASERO_MEDIUM_HAS_AUDIO;
+
+ if (control & BRASERO_SCSI_TRACK_PREEMP)
+ track->type |= BRASERO_MEDIUM_TRACK_PREEMP;
+
+ if (control & BRASERO_SCSI_TRACK_4_CHANNELS)
+ track->type |= BRASERO_MEDIUM_TRACK_4_CHANNELS;
+ }
+ else {
+ track->type |= BRASERO_MEDIUM_TRACK_DATA;
+ priv->info |= BRASERO_MEDIUM_HAS_DATA;
+
+ if (control & BRASERO_SCSI_TRACK_DATA_INCREMENTAL)
+ track->type |= BRASERO_MEDIUM_TRACK_INCREMENTAL;
+ }
+}
+
+static BraseroBurnResult
+brasero_medium_track_volume_size (BraseroMedium *self,
+ BraseroMediumTrack *track,
+ int fd)
+{
+ BraseroMediumPrivate *priv;
+ BraseroBurnResult res;
+ GError *error = NULL;
+ gint64 nb_blocks;
+
+ if (!track)
+ return BRASERO_BURN_ERR;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ /* This is a special case. For DVD+RW and DVD-RW in restricted
+ * mode, there is only one session that takes the whole disc size
+ * once formatted. That doesn't necessarily means they have data
+ * Note also that they are reported as complete though you can
+ * still add data (with growisofs). It is nevertheless on the
+ * condition that the fs is valid.
+ * So we check if their first and only volume is valid.
+ * That's also used when the track size is reported a 300 Kio
+ * see below */
+ res = brasero_volume_get_size_fd (fd,
+ track->start,
+ &nb_blocks,
+ NULL);
+ if (!res) {
+ BRASERO_BURN_LOG ("Failed to retrieve the volume size: %s",
+ error && error->message ?
+ error->message:"unknown error");
+
+ if (error)
+ g_error_free (error);
+ return BRASERO_BURN_ERR;
+ }
+
+ track->blocks_num = nb_blocks;
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_track_get_info (BraseroMedium *self,
+ BraseroMediumTrack *track,
+ int track_num,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ BraseroScsiTrackInfo track_info;
+ BraseroMediumPrivate *priv;
+ BraseroScsiResult result;
+ int size;
+
+ BRASERO_BURN_LOG ("Retrieving track information for %i", track_num);
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ /* at this point we know the type of the disc that's why we set the
+ * size according to this type. That may help to avoid outrange address
+ * errors. */
+ if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DL|BRASERO_MEDIUM_WRITABLE))
+ size = 48;
+ else if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_PLUS|BRASERO_MEDIUM_WRITABLE))
+ size = 40;
+ else
+ size = 36;
+
+ result = brasero_mmc1_read_track_info (fd,
+ track_num,
+ &track_info,
+ &size,
+ code);
+
+ if (result != BRASERO_SCSI_OK) {
+ BRASERO_BURN_LOG ("READ TRACK INFO failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ track->blocks_num = BRASERO_GET_32 (track_info.track_size);
+ track->session = BRASERO_SCSI_SESSION_NUM (track_info);
+
+ /* Now here is a potential bug: we can write tracks (data or not)
+ * shorter than 300 Kio /2 sec but they will be padded to reach this
+ * floor value. That means that is blocks_num is 300 blocks that may
+ * mean that the data length on the track is actually shorter.
+ * So we read the volume descriptor. If it works, good otherwise
+ * use the old value.
+ * That's important for checksuming to have a perfect account of the
+ * data size. */
+ if (track->blocks_num <= 300) {
+ BRASERO_BURN_LOG ("300 sectors size. Checking for real size");
+ brasero_medium_track_volume_size (self, track, fd);
+ }
+
+ if (track_info.next_wrt_address_valid)
+ priv->next_wr_add = BRASERO_GET_32 (track_info.next_wrt_address);
+
+ BRASERO_BURN_LOG ("Track %i (session %i): type = %i start = %llu size = %llu",
+ track_num,
+ track->session,
+ track->type,
+ track->start,
+ track->blocks_num);
+
+ return BRASERO_BURN_OK;
+}
+
+/**
+ * return :
+ * 0 when it's not possible to determine (fallback to formatted toc)
+ * -1 for BCD
+ * 1 for HEX */
+static guint
+brasero_medium_check_BCD_use (BraseroMedium *self,
+ int fd,
+ BraseroScsiRawTocDesc *desc,
+ guint num,
+ BraseroScsiErrCode *code)
+{
+ guint i;
+ int size;
+ guint leadout = 0;
+ guint track_num = 0;
+ gboolean use_BCD = TRUE;
+ gboolean use_HEX = TRUE;
+ BraseroScsiResult result;
+ BraseroScsiTrackInfo track_info;
+ guint start_BCD, start_LBA, track_start;
+
+ /* first check if all values are valid BCD numbers in the descriptors */
+ for (i = 0; i < num; i++) {
+ if (desc [i].adr == 1 && desc [i].point <= BRASERO_SCSI_Q_SUB_CHANNEL_TRACK_START) {
+ if (!BRASERO_IS_BCD_VALID (desc [i].p_min)
+ || !BRASERO_IS_BCD_VALID (desc [i].p_sec)
+ || !BRASERO_IS_BCD_VALID (desc [i].p_frame)) {
+ use_BCD = FALSE;
+ break;
+ }
+ }
+ else if (desc [i].point == BRASERO_SCSI_Q_SUB_CHANNEL_LEADOUT_START) {
+ if (!BRASERO_IS_BCD_VALID (desc [i].p_min)
+ || !BRASERO_IS_BCD_VALID (desc [i].p_sec)
+ || !BRASERO_IS_BCD_VALID (desc [i].p_frame)) {
+ use_BCD = FALSE;
+ break;
+ }
+ }
+ }
+
+ /* then check if there are valid Hex values */
+ for (i = 0; i < num; i++) {
+ if (desc [i].adr != 1 || desc [i].point > BRASERO_SCSI_Q_SUB_CHANNEL_TRACK_START)
+ continue;
+
+ if (desc [i].p_min > 99
+ || desc [i].p_sec > 59
+ || desc [i].p_frame > 74) {
+ use_HEX = FALSE;
+ break;
+ }
+ }
+
+ if (use_BCD != use_HEX) {
+ if (use_BCD)
+ return -1;
+
+ return 1;
+ }
+
+ /* To check if the drive uses BCD values or HEX values we ask for the
+ * track information that contains also the start for the track but in
+ * HEX values. If values are the same then it works. */
+
+ /* NOTE: there could be another way to do it: get first track, in LBA
+ * and BCD it must be 150. */
+
+ /* First find the first track and get track start address in BCD */
+ BRASERO_BURN_LOG ("Retrieving track information to determine number format");
+
+ for (i = 0; i < num; i++) {
+ if (desc [i].adr == BRASERO_SCSI_Q_SUB_CHANNEL_LEADIN_MODE5
+ && desc [i].point == BRASERO_SCSI_Q_SUB_CHANNEL_MULTI_NEXT_SESSION) {
+ /* store the leadout number just in case */
+ leadout = i;
+ continue;
+ }
+
+ if (desc [i].adr != 1 || desc [i].point > BRASERO_SCSI_Q_SUB_CHANNEL_TRACK_START)
+ continue;
+
+ track_num ++;
+
+ start_BCD = BRASERO_MSF_TO_LBA (BRASERO_GET_BCD (desc [i].p_min),
+ BRASERO_GET_BCD (desc [i].p_sec),
+ BRASERO_GET_BCD (desc [i].p_frame));
+
+ start_LBA = BRASERO_MSF_TO_LBA (desc [i].p_min,
+ desc [i].p_sec,
+ desc [i].p_frame);
+
+ BRASERO_BURN_LOG ("Comparing to track information from READ TRACK INFO for track %i", track_num);
+
+ size = 36;
+ start_LBA -= 150;
+ start_BCD -= 150;
+
+ result = brasero_mmc1_read_track_info (fd,
+ track_num,
+ &track_info,
+ &size,
+ code);
+
+ if (result != BRASERO_SCSI_OK) {
+ BRASERO_BURN_LOG ("READ TRACK INFO failed");
+ /* Fallback to formatted toc */
+ return 0;
+ }
+
+ track_start = BRASERO_GET_32 (track_info.start_lba);
+ BRASERO_BURN_LOG ("comparing DCB %i and LBA %i to real start address %i",
+ start_BCD, start_LBA, track_start);
+
+ /* try to find a conclusive match */
+ if (track_start == start_BCD && track_start != start_LBA)
+ return -1;
+
+ if (track_start == start_LBA && track_start != start_BCD)
+ return 1;
+ }
+
+ /* Our last chance, the leadout.
+ * NOTE: no need to remove 150 sectors here. */
+ start_BCD = BRASERO_MSF_TO_LBA (BRASERO_GET_BCD (desc [leadout].min),
+ BRASERO_GET_BCD (desc [leadout].sec),
+ BRASERO_GET_BCD (desc [leadout].frame));
+
+ start_LBA = BRASERO_MSF_TO_LBA (desc [leadout].min,
+ desc [leadout].sec,
+ desc [leadout].frame);
+
+ BRASERO_BURN_LOG ("Comparing to track information from READ TRACK INFO for leadout");
+
+ size = 36;
+
+ /* leadout number is number of tracks + 1 */
+ result = brasero_mmc1_read_track_info (fd,
+ track_num + 1,
+ &track_info,
+ &size,
+ code);
+
+ if (result != BRASERO_SCSI_OK) {
+ BRASERO_BURN_LOG ("READ TRACK INFO failed for leadout");
+ /* Fallback to formatted toc */
+ return 0;
+ }
+
+ track_start = BRASERO_GET_32 (track_info.start_lba);
+ BRASERO_BURN_LOG ("comparing DCB %i and LBA %i to real start address %i",
+ start_BCD, start_LBA, track_start);
+
+ /* try to find a conclusive match */
+ if (track_start == start_BCD && track_start != start_LBA)
+ return -1;
+
+ if (track_start == start_LBA && track_start != start_BCD)
+ return 1;
+
+ /* fallback to formatted toc */
+ return 0;
+}
+
+/**
+ * The reason why we use this perhaps more lengthy method is that with
+ * multisession discs, the first track is reported to be two sectors shorter
+ * than it should. As I don't know why and since the following works we use
+ * this one. */
+static BraseroBurnResult
+brasero_medium_get_CD_sessions_info (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ gint use_bcd;
+ GSList *iter;
+ int num, i, size;
+ gint leadout_start = 0;
+ BraseroScsiResult result;
+ BraseroMediumPrivate *priv;
+ BraseroScsiRawTocDesc *desc;
+ BraseroScsiRawTocData *toc = NULL;
+
+ BRASERO_BURN_LOG ("Reading Raw Toc");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ size = 0;
+ result = brasero_mmc1_read_toc_raw (fd,
+ 0,
+ &toc,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ BRASERO_BURN_LOG ("READ TOC failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ num = (size - sizeof (BraseroScsiRawTocData)) /
+ sizeof (BraseroScsiRawTocDesc);
+
+ BRASERO_BURN_LOG ("%i track(s) found", num);
+
+ desc = toc->desc;
+ use_bcd = brasero_medium_check_BCD_use (self, fd, desc, num, code);
+ if (!use_bcd) {
+ g_free (toc);
+
+ BRASERO_BURN_LOG ("Fallback to formatted toc");
+ return BRASERO_BURN_ERR;
+ }
+
+ if (use_bcd > 0)
+ use_bcd = 0;
+
+ if (use_bcd) {
+ BRASERO_BURN_LOG ("Using BCD format");
+ }
+ else {
+ BRASERO_BURN_LOG ("Using HEX format");
+ }
+
+ for (i = 0; i < num; i++, desc ++) {
+ BraseroMediumTrack *track;
+
+ track = NULL;
+ if (desc->adr == 1 && desc->point <= BRASERO_SCSI_Q_SUB_CHANNEL_TRACK_START) {
+ track = g_new0 (BraseroMediumTrack, 1);
+ track->session = desc->session_num;
+
+ brasero_medium_set_track_type (self, track, desc->control);
+ if (use_bcd)
+ track->start = BRASERO_MSF_TO_LBA (BRASERO_GET_BCD (desc->p_min),
+ BRASERO_GET_BCD (desc->p_sec),
+ BRASERO_GET_BCD (desc->p_frame));
+ else
+ track->start = BRASERO_MSF_TO_LBA (desc->p_min,
+ desc->p_sec,
+ desc->p_frame);
+
+ track->start -= 150;
+
+ /* if there are tracks and the last previously added track is in
+ * the same session then set the size */
+ if (priv->tracks) {
+ BraseroMediumTrack *last_track;
+
+ last_track = priv->tracks->data;
+ if (last_track->session == track->session)
+ last_track->blocks_num = track->start - last_track->start;
+ }
+
+ priv->tracks = g_slist_prepend (priv->tracks, track);
+ }
+ else if (desc->point == BRASERO_SCSI_Q_SUB_CHANNEL_LEADOUT_START) {
+ /* NOTE: the leadout session is first in the list. So if
+ * we have tracks in the list set the last session track
+ * size when we reach a new leadout (and therefore a new
+ * session). */
+
+ if (priv->tracks) {
+ BraseroMediumTrack *last_track;
+
+ last_track = priv->tracks->data;
+ last_track->blocks_num = leadout_start - last_track->start;
+ }
+
+ if (use_bcd)
+ leadout_start = BRASERO_MSF_TO_LBA (BRASERO_GET_BCD (desc->p_min),
+ BRASERO_GET_BCD (desc->p_sec),
+ BRASERO_GET_BCD (desc->p_frame));
+ else
+ leadout_start = BRASERO_MSF_TO_LBA (desc->p_min,
+ desc->p_sec,
+ desc->p_frame);
+ leadout_start -= 150;
+ }
+ }
+
+ if (priv->tracks) {
+ BraseroMediumTrack *last_track;
+
+ /* set the last found track size */
+ last_track = priv->tracks->data;
+ last_track->blocks_num = leadout_start - last_track->start;
+ }
+
+ /* Add a leadout */
+ if (!(priv->info & BRASERO_MEDIUM_CLOSED)) {
+ BraseroMediumTrack *track;
+
+ /* we shouldn't request info on leadout if the disc is closed */
+ track = g_new0 (BraseroMediumTrack, 1);
+ priv->tracks = g_slist_prepend (priv->tracks, track);
+ track->start = leadout_start;
+ track->type = BRASERO_MEDIUM_TRACK_LEADOUT;
+
+ brasero_medium_track_get_info (self, track, g_slist_length (priv->tracks), fd, code);
+ }
+
+ priv->tracks = g_slist_reverse (priv->tracks);
+
+ for (iter = priv->tracks; iter; iter = iter->next) {
+ BraseroMediumTrack *track;
+
+ track = iter->data;
+
+ /* check for tracks less that 300 sectors */
+ if (track->blocks_num <= 300 && track->type != BRASERO_MEDIUM_TRACK_LEADOUT) {
+ BRASERO_BURN_LOG ("300 sectors size. Checking for real size");
+ brasero_medium_track_volume_size (self, track, fd);
+ }
+
+ BRASERO_BURN_LOG ("Track %i: type = %i start = %llu size = %llu",
+ g_slist_index (priv->tracks, track),
+ track->type,
+ track->start,
+ track->blocks_num);
+ }
+
+ g_free (toc);
+ return BRASERO_BURN_OK;
+}
+
+/**
+ * NOTE: for DVD-R multisession we lose 28688 blocks for each session
+ * so the capacity is the addition of all session sizes + 28688 for each
+ * For all multisession DVD-/+R and CDR-RW the remaining size is given
+ * in the leadout. One exception though with DVD+/-RW.
+ */
+
+static void
+brasero_medium_add_DVD_plus_RW_leadout (BraseroMedium *self,
+ gint32 start)
+{
+ BraseroMediumTrack *leadout;
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ leadout = g_new0 (BraseroMediumTrack, 1);
+ priv->tracks = g_slist_append (priv->tracks, leadout);
+
+ leadout->start = start;
+ leadout->type = BRASERO_MEDIUM_TRACK_LEADOUT;
+
+ /* we fabricate the leadout here. We don't really need one in
+ * fact since it is always at the last sector whatever the
+ * amount of data written. So we need in fact to read the file
+ * system and get the last sector from it. Hopefully it won't be
+ * buggy */
+ priv->next_wr_add = 0;
+
+ leadout->blocks_num = priv->block_num;
+ if (g_slist_length (priv->tracks) > 1) {
+ BraseroMediumTrack *track;
+
+ track = priv->tracks->data;
+ leadout->blocks_num -= ((track->blocks_num > 300) ? track->blocks_num : 300);
+ }
+ BRASERO_BURN_LOG ("Adding fabricated leadout start = %llu length = %llu",
+ leadout->start,
+ leadout->blocks_num);
+}
+
+static BraseroBurnResult
+brasero_medium_get_sessions_info (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ int num, i, size;
+ BraseroScsiResult result;
+ BraseroScsiTocDesc *desc;
+ BraseroMediumPrivate *priv;
+ BraseroScsiFormattedTocData *toc = NULL;
+
+ BRASERO_BURN_LOG ("Reading Toc");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ result = brasero_mmc1_read_toc_formatted (fd,
+ 0,
+ &toc,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (toc);
+
+ BRASERO_BURN_LOG ("READ TOC failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ num = (size - sizeof (BraseroScsiFormattedTocData)) /
+ sizeof (BraseroScsiTocDesc);
+
+ BRASERO_BURN_LOG ("%i track(s) found", num);
+
+ desc = toc->desc;
+ for (i = 0; i < num; i ++, desc ++) {
+ BraseroMediumTrack *track;
+
+ if (desc->track_num == BRASERO_SCSI_TRACK_LEADOUT_START)
+ break;
+
+ track = g_new0 (BraseroMediumTrack, 1);
+ priv->tracks = g_slist_prepend (priv->tracks, track);
+ track->start = BRASERO_GET_32 (desc->track_start);
+
+ /* we shouldn't request info on a track if the disc is closed */
+ brasero_medium_track_get_info (self,
+ track,
+ g_slist_length (priv->tracks),
+ fd,
+ code);
+
+ if (desc->control & BRASERO_SCSI_TRACK_COPY)
+ track->type |= BRASERO_MEDIUM_TRACK_COPY;
+
+ if (!(desc->control & BRASERO_SCSI_TRACK_DATA)) {
+ track->type |= BRASERO_MEDIUM_TRACK_AUDIO;
+ priv->info |= BRASERO_MEDIUM_HAS_AUDIO;
+
+ if (desc->control & BRASERO_SCSI_TRACK_PREEMP)
+ track->type |= BRASERO_MEDIUM_TRACK_PREEMP;
+
+ if (desc->control & BRASERO_SCSI_TRACK_4_CHANNELS)
+ track->type |= BRASERO_MEDIUM_TRACK_4_CHANNELS;
+ }
+ else if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_PLUS)
+ || BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_RESTRICTED)) {
+ BraseroBurnResult result;
+
+ /* a special case for these two kinds of media (DVD+RW)
+ * which have only one track: the first. */
+ result = brasero_medium_track_volume_size (self,
+ track,
+ fd);
+ if (result == BRASERO_BURN_OK) {
+ track->type |= BRASERO_MEDIUM_TRACK_DATA;
+ priv->info |= BRASERO_MEDIUM_HAS_DATA;
+
+ priv->next_wr_add = 0;
+
+ if (desc->control & BRASERO_SCSI_TRACK_DATA_INCREMENTAL)
+ track->type |= BRASERO_MEDIUM_TRACK_INCREMENTAL;
+ }
+ else {
+ priv->tracks = g_slist_remove (priv->tracks, track);
+ g_free (track);
+
+ priv->info |= BRASERO_MEDIUM_BLANK;
+ priv->info &= ~BRASERO_MEDIUM_CLOSED;
+ }
+ }
+ else {
+ track->type |= BRASERO_MEDIUM_TRACK_DATA;
+ priv->info |= BRASERO_MEDIUM_HAS_DATA;
+
+ if (desc->control & BRASERO_SCSI_TRACK_DATA_INCREMENTAL)
+ track->type |= BRASERO_MEDIUM_TRACK_INCREMENTAL;
+ }
+ }
+
+ /* put the tracks in the right order */
+ priv->tracks = g_slist_reverse (priv->tracks);
+
+ if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_PLUS)
+ || BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_RESTRICTED))
+ brasero_medium_add_DVD_plus_RW_leadout (self, BRASERO_GET_32 (desc->track_start));
+ else if (!(priv->info & BRASERO_MEDIUM_CLOSED)) {
+ BraseroMediumTrack *track;
+
+ /* we shouldn't request info on leadout if the disc is closed
+ * (except for DVD+/- (restricted) RW (see above) */
+ track = g_new0 (BraseroMediumTrack, 1);
+ priv->tracks = g_slist_append (priv->tracks, track);
+ track->start = BRASERO_GET_32 (desc->track_start);
+ track->type = BRASERO_MEDIUM_TRACK_LEADOUT;
+
+ brasero_medium_track_get_info (self,
+ track,
+ g_slist_length (priv->tracks),
+ fd,
+ code);
+ }
+
+ g_free (toc);
+
+ return BRASERO_BURN_OK;
+}
+
+static BraseroBurnResult
+brasero_medium_get_contents (BraseroMedium *self,
+ int fd,
+ BraseroScsiErrCode *code)
+{
+ int size;
+ BraseroScsiResult result;
+ BraseroMediumPrivate *priv;
+ BraseroScsiDiscInfoStd *info = NULL;
+
+ BRASERO_BURN_LOG ("Retrieving media status");
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+
+ result = brasero_mmc1_read_disc_information_std (fd,
+ &info,
+ &size,
+ code);
+ if (result != BRASERO_SCSI_OK) {
+ g_free (info);
+
+ BRASERO_BURN_LOG ("READ DISC INFORMATION failed");
+ return BRASERO_BURN_ERR;
+ }
+
+ if (info->erasable)
+ priv->info |= BRASERO_MEDIUM_REWRITABLE;
+
+ if (info->status == BRASERO_SCSI_DISC_EMPTY) {
+ BraseroMediumTrack *track;
+
+ BRASERO_BURN_LOG ("Empty media");
+
+ priv->info |= BRASERO_MEDIUM_BLANK;
+ priv->block_size = 2048;
+
+ if (BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_PLUS)
+ || BRASERO_MEDIUM_IS (priv->info, BRASERO_MEDIUM_DVDRW_RESTRICTED))
+ brasero_medium_add_DVD_plus_RW_leadout (self, 0);
+ else {
+ track = g_new0 (BraseroMediumTrack, 1);
+ track->start = 0;
+ track->type = BRASERO_MEDIUM_TRACK_LEADOUT;
+ priv->tracks = g_slist_prepend (priv->tracks, track);
+
+ brasero_medium_track_get_info (self,
+ track,
+ 1,
+ fd,
+ code);
+ }
+ goto end;
+ }
+
+ if (info->status == BRASERO_SCSI_DISC_INCOMPLETE) {
+ priv->info |= BRASERO_MEDIUM_APPENDABLE;
+ BRASERO_BURN_LOG ("Appendable media");
+ }
+ else if (info->status == BRASERO_SCSI_DISC_FINALIZED) {
+ priv->info |= BRASERO_MEDIUM_CLOSED;
+ BRASERO_BURN_LOG ("Closed media");
+ }
+
+ if (priv->info & BRASERO_MEDIUM_CD) {
+ result = brasero_medium_get_CD_sessions_info (self, fd, code);
+ if (result != BRASERO_BURN_OK)
+ result = brasero_medium_get_sessions_info (self, fd, code);
+ }
+ else
+ result = brasero_medium_get_sessions_info (self, fd, code);
+
+ if (result != BRASERO_BURN_OK)
+ goto end;
+
+end:
+
+ g_free (info);
+ return BRASERO_BURN_OK;
+}
+
+static void
+brasero_medium_init_real (BraseroMedium *object, int fd)
+{
+ gchar *name;
+ BraseroBurnResult result;
+ BraseroMediumPrivate *priv;
+ BraseroScsiErrCode code = 0;
+
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+
+ name = nautilus_burn_drive_get_name_for_display (priv->drive);
+ BRASERO_BURN_LOG ("Initializing information for medium in %s", name);
+ g_free (name);
+
+ result = brasero_medium_get_medium_type (object, fd, &code);
+ if (result != BRASERO_BURN_OK)
+ return;
+
+ brasero_medium_get_capacity_by_type (object, fd, &code);
+
+ result = brasero_medium_get_contents (object, fd, &code);
+ if (result != BRASERO_BURN_OK)
+ return;
+
+ /* assume that css feature is only for DVD-ROM which might be wrong but
+ * some drives wrongly reports that css is enabled for blank DVD+R/W */
+ if (BRASERO_MEDIUM_IS (priv->info, (BRASERO_MEDIUM_DVD|BRASERO_MEDIUM_ROM)))
+ brasero_medium_get_css_feature (object, fd, &code);
+
+ BRASERO_BURN_LOG_DISC_TYPE (priv->info, "media is ");
+}
+
+static gboolean
+brasero_medium_retry_open (gpointer object)
+{
+ int fd;
+ const gchar *path;
+ BraseroMedium *self;
+ BraseroMediumPrivate *priv;
+
+ self = BRASERO_MEDIUM (object);
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+ path = nautilus_burn_drive_get_device (priv->drive);
+
+ BRASERO_BURN_LOG ("Retrying to open device %s", path);
+ fd = open (path, OPEN_FLAGS);
+ if (fd < 0) {
+ if (errno == EBUSY
+ || errno == EAGAIN
+ || errno == EWOULDBLOCK) {
+ BRASERO_BURN_LOG ("Device busy");
+ /* we'll retry in a second */
+ return TRUE;
+ }
+
+ BRASERO_BURN_LOG ("Open () failed");
+ priv->info = BRASERO_MEDIUM_UNSUPPORTED;
+ priv->retry_id = 0;
+ return FALSE;
+ }
+
+ BRASERO_BURN_LOG ("Open () succeeded\n");
+ priv->info = BRASERO_MEDIUM_NONE;
+ priv->icon = icons [0];
+
+ priv->retry_id = 0;
+
+ brasero_medium_init_real (self, fd);
+ close (fd);
+
+ return FALSE;
+}
+
+static void
+brasero_medium_try_open (BraseroMedium *self)
+{
+ int fd;
+ const gchar *path;
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (self);
+ path = nautilus_burn_drive_get_device (priv->drive);
+
+ /* the drive might be busy (a burning is going on) so we don't block
+ * but we re-try to open it every second */
+ BRASERO_BURN_LOG ("Trying to open device %s", path);
+ fd = open (path, OPEN_FLAGS);
+ if (fd < 0) {
+ if (errno == EAGAIN
+ || errno == EWOULDBLOCK
+ || errno == EBUSY) {
+ BRASERO_BURN_LOG ("Device busy");
+ priv->info = BRASERO_MEDIUM_BUSY;
+ priv->icon = icons [0];
+
+ priv->retry_id = g_timeout_add (BUSY_RETRY_TIME,
+ brasero_medium_retry_open,
+ self);
+ }
+
+ BRASERO_BURN_LOG ("Open () failed");
+ return;
+ }
+
+ BRASERO_BURN_LOG ("Open () succeeded");
+ brasero_medium_init_real (self, fd);
+ close (fd);
+}
+
+static void
+brasero_medium_init (BraseroMedium *object)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+ priv->next_wr_add = -1;
+
+ /* we can't do anything here since properties haven't been set yet */
+}
+
+static void
+brasero_medium_finalize (GObject *object)
+{
+ BraseroMediumPrivate *priv;
+
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+
+ if (priv->retry_id) {
+ g_source_remove (priv->retry_id);
+ priv->retry_id = 0;
+ }
+
+ g_free (priv->rd_speeds);
+ priv->rd_speeds = NULL;
+
+ g_free (priv->wr_speeds);
+ priv->wr_speeds = NULL;
+
+ g_slist_foreach (priv->tracks, (GFunc) g_free, NULL);
+ g_slist_free (priv->tracks);
+ priv->tracks = NULL;
+
+ nautilus_burn_drive_unref (priv->drive);
+ priv->drive = NULL;
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+brasero_medium_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ BraseroMediumPrivate *priv;
+
+ g_return_if_fail (BRASERO_IS_MEDIUM (object));
+
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+
+ switch (prop_id)
+ {
+ case PROP_DRIVE:
+ priv->drive = g_value_get_object (value);
+ nautilus_burn_drive_ref (priv->drive);
+ brasero_medium_try_open (BRASERO_MEDIUM (object));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+brasero_medium_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ BraseroMediumPrivate *priv;
+
+ g_return_if_fail (BRASERO_IS_MEDIUM (object));
+
+ priv = BRASERO_MEDIUM_PRIVATE (object);
+
+ switch (prop_id)
+ {
+ case PROP_DRIVE:
+ nautilus_burn_drive_ref (priv->drive);
+ g_value_set_object (value, priv->drive);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+brasero_medium_class_init (BraseroMediumClass *klass)
+{
+ GObjectClass* object_class = G_OBJECT_CLASS (klass);
+ parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
+
+ g_type_class_add_private (klass, sizeof (BraseroMediumPrivate));
+
+ object_class->finalize = brasero_medium_finalize;
+ object_class->set_property = brasero_medium_set_property;
+ object_class->get_property = brasero_medium_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_DRIVE,
+ g_param_spec_object ("drive",
+ "drive",
+ "drive in which medium is inserted",
+ NAUTILUS_BURN_TYPE_DRIVE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+GType
+brasero_medium_get_type (void)
+{
+ static GType our_type = 0;
+
+ if (our_type == 0)
+ {
+ static const GTypeInfo our_info =
+ {
+ sizeof (BraseroMediumClass), /* class_size */
+ (GBaseInitFunc) NULL, /* base_init */
+ (GBaseFinalizeFunc) NULL, /* base_finalize */
+ (GClassInitFunc) brasero_medium_class_init, /* class_init */
+ (GClassFinalizeFunc) NULL, /* class_finalize */
+ NULL /* class_data */,
+ sizeof (BraseroMedium), /* instance_size */
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) brasero_medium_init, /* instance_init */
+ NULL /* value_table */
+ };
+
+ our_type = g_type_register_static (G_TYPE_OBJECT, "BraseroMedium",
+ &our_info, 0);
+ }
+
+ return our_type;
+}
+
+BraseroMedium *
+brasero_medium_new (NautilusBurnDrive *drive)
+{
+ g_return_val_if_fail (drive != NULL, NULL);
+ return BRASERO_MEDIUM (g_object_new (BRASERO_TYPE_MEDIUM,
+ "drive", drive,
+ NULL));
+}
