summaryrefslogtreecommitdiff
path: root/src/input/vcd/libvcd/image_cdrdao.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/input/vcd/libvcd/image_cdrdao.c')
-rw-r--r--src/input/vcd/libvcd/image_cdrdao.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/src/input/vcd/libvcd/image_cdrdao.c b/src/input/vcd/libvcd/image_cdrdao.c
new file mode 100644
index 000000000..3754721c2
--- /dev/null
+++ b/src/input/vcd/libvcd/image_cdrdao.c
@@ -0,0 +1,312 @@
+/*
+ $Id: image_cdrdao.c,v 1.1 2003/10/13 11:47:12 f1rmb Exp $
+
+ Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
+
+ This program is free software; you can 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.
+
+ 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; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* Public headers */
+#include <cdio/iso9660.h>
+#include <libvcd/sector.h>
+#include <libvcd/logging.h>
+
+/* Private headers */
+#include "assert.h"
+#include "bytesex.h"
+#include "image_sink.h"
+#include "stream_stdio.h"
+#include "util.h"
+#include "vcd.h"
+
+static const char _rcsid[] = "$Id: image_cdrdao.c,v 1.1 2003/10/13 11:47:12 f1rmb Exp $";
+
+/* reader */
+
+/****************************************************************************
+ * writer
+ */
+
+typedef struct {
+ bool sector_2336_flag;
+ char *toc_fname;
+ char *img_base;
+
+ VcdDataSink *last_bin_snk;
+ int last_snk_idx;
+ bool last_pause;
+
+ VcdList *vcd_cue_list;
+} _img_cdrdao_snk_t;
+
+static void
+_sink_free (void *user_data)
+{
+ _img_cdrdao_snk_t *_obj = user_data;
+
+ /* fixme -- destroy cue list */
+
+ vcd_data_sink_destroy (_obj->last_bin_snk);
+ free (_obj->toc_fname);
+ free (_obj->img_base);
+ free (_obj);
+}
+
+static int
+_set_cuesheet (void *user_data, const VcdList *vcd_cue_list)
+{
+ _img_cdrdao_snk_t *_obj = user_data;
+ VcdDataSink *toc_snk = vcd_data_sink_new_stdio (_obj->toc_fname);
+
+ VcdListNode *node;
+
+ int track_no, index_no;
+ const vcd_cue_t *_last_cue = 0;
+ unsigned last_track_lsn = 0;
+
+ vcd_data_sink_printf (toc_snk,
+ "// CDRDAO TOC\n"
+ "// generated by %s\n\n"
+ "CD_ROM_XA\n", vcd_version_string (false));
+
+ _obj->vcd_cue_list = _vcd_list_new ();
+
+ index_no = track_no = 0;
+ _VCD_LIST_FOREACH (node, (VcdList *) vcd_cue_list)
+ {
+ const vcd_cue_t *_cue = _vcd_list_node_data (node);
+
+ /* copy cue list while traversing */
+ {
+ vcd_cue_t *_cue2 = _vcd_malloc (sizeof (vcd_cue_t));
+ *_cue2 = *_cue;
+ _vcd_list_append (_obj->vcd_cue_list, _cue2);
+ }
+
+ switch (_cue->type)
+ {
+ case VCD_CUE_TRACK_START:
+ track_no++;
+ index_no = 0;
+
+ last_track_lsn = _cue->lsn;
+
+ vcd_data_sink_printf (toc_snk,
+ "\n// Track %d\n"
+ "TRACK %s\n COPY\n",
+ track_no,
+ (_obj->sector_2336_flag ? "MODE2_FORM_MIX" : "MODE2_RAW"));
+
+ if (_last_cue && _last_cue->type == VCD_CUE_PREGAP_START)
+ vcd_data_sink_printf (toc_snk,
+ " DATAFILE \"%s_%.2d_pregap.img\"\n"
+ " START\n",
+ _obj->img_base, track_no);
+
+ index_no++;
+
+ vcd_data_sink_printf (toc_snk,
+ " DATAFILE \"%s_%.2d.img\"\n",
+ _obj->img_base, track_no);
+ break;
+
+ case VCD_CUE_PREGAP_START:
+ /* handled in next iteration */
+ break;
+
+ case VCD_CUE_SUBINDEX:
+ index_no++;
+
+ {
+ msf_t _msf = { 0, 0, 0 };
+
+ cdio_lba_to_msf (_cue->lsn - last_track_lsn, &_msf);
+
+ vcd_data_sink_printf (toc_snk,
+ " INDEX %2.2x:%2.2x:%2.2x\n",
+ _msf.m, _msf.s, _msf.f);
+ }
+ break;
+
+ case VCD_CUE_LEADIN:
+ break;
+
+ case VCD_CUE_END:
+ vcd_data_sink_printf (toc_snk, "\n// EOF\n");
+
+ vcd_data_sink_close (toc_snk);
+ vcd_data_sink_destroy (toc_snk);
+
+ return 0;
+ break;
+ }
+
+ _last_cue = _cue;
+ }
+
+ vcd_assert_not_reached ();
+
+ return -1;
+}
+
+static int
+_vcd_image_cdrdao_write (void *user_data, const void *data, uint32_t lsn)
+{
+ const char *buf = data;
+ _img_cdrdao_snk_t *_obj = user_data;
+ long offset;
+
+ {
+ VcdListNode *node;
+ uint32_t _last = 0;
+ uint32_t _ofs = 0;
+ bool _lpregap = false;
+ bool _pregap = false;
+
+ int num = 0, in_track = 0;
+ _VCD_LIST_FOREACH (node, _obj->vcd_cue_list)
+ {
+ const vcd_cue_t *_cue = _vcd_list_node_data (node);
+
+ switch (_cue->type)
+ {
+ case VCD_CUE_PREGAP_START:
+ case VCD_CUE_END:
+ case VCD_CUE_TRACK_START:
+ if (_cue->lsn && IN (lsn, _last, _cue->lsn - 1))
+ {
+ vcd_assert (in_track == 0);
+ in_track = num;
+ _ofs = _last;
+ _pregap = _lpregap;
+ }
+
+ _last = _cue->lsn;
+ _lpregap = (_cue->type == VCD_CUE_PREGAP_START);
+
+ if (_cue->type == VCD_CUE_TRACK_START)
+ num++;
+ break;
+
+ default:
+ /* noop */
+ break;
+ }
+ }
+
+ vcd_assert (in_track != 0);
+ vcd_assert (_obj->last_snk_idx <= in_track);
+
+ if (_obj->last_snk_idx != in_track
+ || _obj->last_pause != _pregap)
+ {
+ char buf[4096] = { 0, };
+
+ if (_obj->last_bin_snk)
+ vcd_data_sink_destroy (_obj->last_bin_snk);
+
+ snprintf (buf, sizeof (buf),
+ "%s_%.2d%s.img",
+ _obj->img_base,
+ (_pregap ? in_track + 1 : in_track),
+ (_pregap ? "_pregap" : ""));
+
+ _obj->last_bin_snk = vcd_data_sink_new_stdio (buf);
+ _obj->last_snk_idx = in_track;
+ _obj->last_pause = _pregap;
+ }
+
+ vcd_assert (lsn >= _ofs);
+ offset = lsn - _ofs;
+ }
+
+ offset *= _obj->sector_2336_flag ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE_RAW;
+
+ vcd_data_sink_seek(_obj->last_bin_snk, offset);
+
+ if (_obj->sector_2336_flag)
+ vcd_data_sink_write(_obj->last_bin_snk, buf + 12 + 4, M2RAW_SECTOR_SIZE, 1);
+ else
+ vcd_data_sink_write(_obj->last_bin_snk, buf, CDIO_CD_FRAMESIZE_RAW, 1);
+
+ return 0;
+}
+
+static int
+_sink_set_arg (void *user_data, const char key[], const char value[])
+{
+ _img_cdrdao_snk_t *_obj = user_data;
+
+ if (!strcmp (key, "toc"))
+ {
+ free (_obj->toc_fname);
+
+ if (!value)
+ return -2;
+
+ _obj->toc_fname = strdup (value);
+ }
+ else if (!strcmp (key, "img_base"))
+ {
+ free (_obj->img_base);
+
+ if (!value)
+ return -2;
+
+ _obj->img_base = strdup (value);
+ }
+ else if (!strcmp (key, "sector"))
+ {
+ if (!strcmp (value, "2336"))
+ _obj->sector_2336_flag = true;
+ else if (!strcmp (value, "2352"))
+ _obj->sector_2336_flag = false;
+ else
+ return -2;
+ }
+ else
+ return -1;
+
+ return 0;
+}
+
+VcdImageSink *
+vcd_image_sink_new_cdrdao (void)
+{
+ _img_cdrdao_snk_t *_data;
+
+ vcd_image_sink_funcs _funcs = {
+ .set_cuesheet = _set_cuesheet,
+ .write = _vcd_image_cdrdao_write,
+ .free = _sink_free,
+ .set_arg = _sink_set_arg
+ };
+
+ _data = _vcd_malloc (sizeof (_img_cdrdao_snk_t));
+
+ _data->toc_fname = strdup ("videocd.toc");
+ _data->img_base = strdup ("videocd");
+
+ return vcd_image_sink_new (_data, &_funcs);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 20:58:27 +0000