diff options
Diffstat (limited to 'contrib/libvcd/vcd.c')
| -rw-r--r-- | contrib/libvcd/vcd.c | 2412 |
1 files changed, 2412 insertions, 0 deletions
diff --git a/contrib/libvcd/vcd.c b/contrib/libvcd/vcd.c new file mode 100644 index 000000000..0772149ec --- /dev/null +++ b/contrib/libvcd/vcd.c @@ -0,0 +1,2412 @@ +/* + $Id: vcd.c,v 1.4 2006/12/08 16:26:10 mshopf Exp $ + + Copyright (C) 2000, 2004 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> +#include <ctype.h> +#include <math.h> + +#include <cdio/cdio.h> +#include <cdio/iso9660.h> + +/* public headers */ +#include <libvcd/types.h> +#include <libvcd/info.h> + +#include <libvcd/files.h> +#include <libvcd/sector.h> +#include <libvcd/logging.h> + +/* Private headers */ +#include "assert.h" +#include "dict.h" +#include "directory.h" +#include "obj.h" +#include "pbc.h" +#include "salloc.h" +#include "util.h" +#include "vcd.h" + +static const char _rcsid[] = "$Id: vcd.c,v 1.4 2006/12/08 16:26:10 mshopf Exp $"; + +static const char zero[CDIO_CD_FRAMESIZE_RAW] = { 0, }; + +#define DEFAULT_ISO_PREPARER_ID "GNU VCDImager " VERSION " " HOST_ARCH + +/* exported private functions + */ + +mpeg_sequence_t * +_vcd_obj_get_sequence_by_id (VcdObj *obj, const char sequence_id[]) +{ + CdioListNode *node; + + vcd_assert (sequence_id != NULL); + vcd_assert (obj != NULL); + + _CDIO_LIST_FOREACH (node, obj->mpeg_sequence_list) + { + mpeg_sequence_t *_sequence = _cdio_list_node_data (node); + + if (_sequence->id && !strcmp (sequence_id, _sequence->id)) + return _sequence; + } + + return NULL; +} + +mpeg_sequence_t * +_vcd_obj_get_sequence_by_entry_id (VcdObj *obj, const char entry_id[]) +{ + CdioListNode *node; + + vcd_assert (entry_id != NULL); + vcd_assert (obj != NULL); + + _CDIO_LIST_FOREACH (node, obj->mpeg_sequence_list) + { + mpeg_sequence_t *_sequence = _cdio_list_node_data (node); + CdioListNode *node2; + + /* default entry point */ + if (_sequence->default_entry_id + && !strcmp (entry_id, _sequence->default_entry_id)) + return _sequence; + + /* additional entry points */ + _CDIO_LIST_FOREACH (node2, _sequence->entry_list) + { + entry_t *_entry = _cdio_list_node_data (node2); + + if (_entry->id + && !strcmp (entry_id, _entry->id)) + return _sequence; + } + } + + /* not found */ + + return NULL; +} + +mpeg_segment_t * +_vcd_obj_get_segment_by_id (VcdObj *obj, const char segment_id[]) +{ + CdioListNode *node; + + vcd_assert (segment_id != NULL); + vcd_assert (obj != NULL); + + _CDIO_LIST_FOREACH (node, obj->mpeg_segment_list) + { + mpeg_segment_t *_segment = _cdio_list_node_data (node); + + if (_segment->id && !strcmp (segment_id, _segment->id)) + return _segment; + } + + return NULL; +} + +bool +_vcd_obj_has_cap_p (const VcdObj *obj, enum vcd_capability_t capability) +{ + switch (capability) + { + case _CAP_VALID: + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_VCD2: + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + return true; + break; + + case VCD_TYPE_INVALID: + return false; + break; + } + break; + + case _CAP_MPEG2: + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_VCD2: + case VCD_TYPE_INVALID: + return false; + break; + + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + return true; + break; + } + break; + + case _CAP_PBC: + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_INVALID: + return false; + break; + + case VCD_TYPE_VCD2: + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + return true; + break; + } + break; + + case _CAP_PBC_X: + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_INVALID: + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + return false; + break; + + case VCD_TYPE_VCD2: + return true; + break; + } + break; + + case _CAP_4C_SVCD: + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_INVALID: + case VCD_TYPE_VCD2: + return false; + break; + + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + return true; + break; + } + break; + + case _CAP_PAL_BITS: + return _vcd_obj_has_cap_p (obj, _CAP_PBC); /* for now */ + break; + + case _CAP_MPEG1: + return !_vcd_obj_has_cap_p (obj, _CAP_MPEG2); /* for now */ + break; + + case _CAP_TRACK_MARGINS: + return !_vcd_obj_has_cap_p (obj, _CAP_MPEG2); /* for now */ + break; + } + + vcd_assert_not_reached (); + return false; +} + +/* + * public methods + */ + +VcdObj * +vcd_obj_new (vcd_type_t vcd_type) +{ + VcdObj *new_obj = NULL; + static bool _first = true; + + if (_first) + { +#if defined(_DEVELOPMENT_) + vcd_warn ("initializing libvcd %s [%s]", VERSION, HOST_ARCH); + vcd_warn (" "); + vcd_warn (" this is the UNSTABLE development branch!"); + vcd_warn (" use only if you know what you are doing"); + vcd_warn (" see http://www.hvrlab.org/~hvr/vcdimager/ for more information"); + vcd_warn (" "); +#else + vcd_debug ("initializing libvcd %s [%s]", VERSION, HOST_ARCH); +#endif + _first = false; + } + + new_obj = _vcd_malloc (sizeof (VcdObj)); + new_obj->type = vcd_type; + + if (!_vcd_obj_has_cap_p (new_obj, _CAP_VALID)) + { + vcd_error ("VCD type not supported"); + free (new_obj); + return NULL; + } + + if (vcd_type == VCD_TYPE_VCD) + vcd_warn ("VCD 1.0 support is experimental -- user feedback needed!"); + + new_obj->iso_volume_label = strdup (""); + new_obj->iso_publisher_id = strdup (""); + new_obj->iso_application_id = strdup (""); + new_obj->iso_preparer_id = _vcd_strdup_upper (DEFAULT_ISO_PREPARER_ID); + new_obj->info_album_id = strdup (""); + new_obj->info_volume_count = 1; + new_obj->info_volume_number = 1; + + new_obj->custom_file_list = _cdio_list_new (); + new_obj->custom_dir_list = _cdio_list_new (); + + + new_obj->mpeg_sequence_list = _cdio_list_new (); + + new_obj->mpeg_segment_list = _cdio_list_new (); + + new_obj->pbc_list = _cdio_list_new (); + + /* gap's defined by IEC-10149 / ECMA-130 */ + + /* pre-gap's for tracks but the first one */ + new_obj->track_pregap = CDIO_PREGAP_SECTORS; + /* post-gap after last track */ + new_obj->leadout_pregap = CDIO_POSTGAP_SECTORS; + + if (_vcd_obj_has_cap_p (new_obj, _CAP_TRACK_MARGINS)) + { + new_obj->track_front_margin = 30; + new_obj->track_rear_margin = 45; + } + else + { + new_obj->track_front_margin = 0; + new_obj->track_rear_margin = 0; + } + + return new_obj; +} + +int +vcd_obj_remove_item (VcdObj *obj, const char id[]) +{ + vcd_warn ("vcd_obj_remove_item('%s') not implemented yet!", id); + + return -1; +} + +static void +_vcd_obj_remove_mpeg_track (VcdObj *obj, int track_id) +{ + int length; + mpeg_sequence_t *track = NULL; + CdioListNode *node = NULL; + + vcd_assert (track_id >= 0); + + node = _vcd_list_at (obj->mpeg_sequence_list, track_id); + + vcd_assert (node != NULL); + + track = (mpeg_sequence_t *) _cdio_list_node_data (node); + + vcd_mpeg_source_destroy (track->source, true); + + length = track->info->packets; + length += obj->track_pregap + obj->track_front_margin + 0 + obj->track_rear_margin; + + /* fixup offsets */ + { + CdioListNode *node2 = node; + while ((node2 = _cdio_list_node_next (node2)) != NULL) + ((mpeg_sequence_t *) _cdio_list_node_data (node))->relative_start_extent -= length; + } + + obj->relative_end_extent -= length; + + /* shift up */ + _cdio_list_node_free (node, true); +} + +int +vcd_obj_append_segment_play_item (VcdObj *obj, VcdMpegSource *mpeg_source, + const char item_id[]) +{ + mpeg_segment_t *segment = NULL; + + vcd_assert (obj != NULL); + vcd_assert (mpeg_source != NULL); + + if (!_vcd_obj_has_cap_p (obj, _CAP_PBC)) + { + vcd_error ("segment play items not supported for this vcd type"); + return -1; + } + + if (!item_id) + { + vcd_error ("no id given for segment play item"); + return -1; + } + + if (_vcd_pbc_lookup (obj, item_id)) + { + vcd_error ("item id (%s) exists already", item_id); + return -1; + } + + vcd_info ("scanning mpeg segment item #%d for scanpoints...", + _cdio_list_length (obj->mpeg_segment_list)); + + vcd_mpeg_source_scan (mpeg_source, !obj->relaxed_aps, + obj->update_scan_offsets, NULL, NULL); + + if (vcd_mpeg_source_get_info (mpeg_source)->packets == 0) + { + vcd_error ("mpeg is empty?"); + return -1; + } + + /* create list node */ + + segment = _vcd_malloc (sizeof (mpeg_sequence_t)); + + segment->source = mpeg_source; + + segment->id = strdup (item_id); + + segment->info = vcd_mpeg_source_get_info (mpeg_source); + segment->segment_count = _vcd_len2blocks (segment->info->packets, 150); + + segment->pause_list = _cdio_list_new (); + + vcd_debug ("SPI length is %d sector(s), allocated %d segment(s)", + segment->info->packets, + segment->segment_count); + + _cdio_list_append (obj->mpeg_segment_list, segment); + + return 0; +} + +int +vcd_obj_append_sequence_play_item (VcdObj *obj, VcdMpegSource *mpeg_source, + const char item_id[], + const char default_entry_id[]) +{ + unsigned length; + mpeg_sequence_t *sequence = NULL; + int track_no = _cdio_list_length (obj->mpeg_sequence_list); + + vcd_assert (obj != NULL); + vcd_assert (mpeg_source != NULL); + + if (item_id && _vcd_pbc_lookup (obj, item_id)) + { + vcd_error ("item id (%s) exist already", item_id); + return -1; + } + + if (default_entry_id && _vcd_pbc_lookup (obj, default_entry_id)) + { + vcd_error ("default entry id (%s) exist already", default_entry_id); + return -1; + } + + if (default_entry_id && item_id && !strcmp (item_id, default_entry_id)) + { + vcd_error ("default entry id == item id (%s)", item_id); + return -1; + } + + vcd_info ("scanning mpeg sequence item #%d for scanpoints...", track_no); + vcd_mpeg_source_scan (mpeg_source, !obj->relaxed_aps, + obj->update_scan_offsets, NULL, NULL); + + sequence = _vcd_malloc (sizeof (mpeg_sequence_t)); + + sequence->source = mpeg_source; + + if (item_id) + sequence->id = strdup (item_id); + + if (default_entry_id) + sequence->default_entry_id = strdup (default_entry_id); + + sequence->info = vcd_mpeg_source_get_info (mpeg_source); + length = sequence->info->packets; + + sequence->entry_list = _cdio_list_new (); + sequence->pause_list = _cdio_list_new (); + + obj->relative_end_extent += obj->track_pregap; + sequence->relative_start_extent = obj->relative_end_extent; + + obj->relative_end_extent += obj->track_front_margin + length + obj->track_rear_margin; + + /* sanity checks */ + + if (length < 75) + vcd_warn ("mpeg stream shorter than 75 sectors"); + + if (!_vcd_obj_has_cap_p (obj, _CAP_PAL_BITS) + && vcd_mpeg_get_norm (&sequence->info->shdr[0]) != MPEG_NORM_FILM + && vcd_mpeg_get_norm (&sequence->info->shdr[0]) != MPEG_NORM_NTSC) + vcd_warn ("VCD 1.x should contain only NTSC/FILM video (may work with PAL nevertheless)"); + + if (!_vcd_obj_has_cap_p (obj, _CAP_MPEG1) + && sequence->info->version == MPEG_VERS_MPEG1) + vcd_warn ("this VCD type should not contain MPEG1 streams"); + + if (!_vcd_obj_has_cap_p (obj, _CAP_MPEG2) + && sequence->info->version == MPEG_VERS_MPEG2) + vcd_warn ("this VCD type should not contain MPEG2 streams"); + + if (!sequence->info->shdr[0].seen + || sequence->info->shdr[1].seen + || sequence->info->shdr[2].seen) + vcd_warn ("sequence items should contain a motion video stream!"); + + { + int i; + + for (i = 0; i < 3; i++) + { + if (sequence->info->ahdr[i].seen) + { + if (i && !_vcd_obj_has_cap_p (obj, _CAP_MPEG2)) + vcd_warn ("audio stream #%d not supported by this VCD type", i); + + if (sequence->info->ahdr[i].sampfreq != 44100) + vcd_warn ("audio stream #%d has sampling frequency %d Hz (should be 44100 Hz)", + i, sequence->info->ahdr[i].sampfreq); + + if (sequence->info->ahdr[i].layer != 2) + vcd_warn ("audio stream #%d is not layer II", i); + + if (_vcd_obj_has_cap_p (obj, _CAP_MPEG1) + && sequence->info->ahdr[i].bitrate != 224*1024) + vcd_warn ("audio stream #%d has bitrate %d kbps (should be 224 kbps for this vcd type)", + i, sequence->info->ahdr[i].bitrate); + } + else if (!i && !_vcd_obj_has_cap_p (obj, _CAP_MPEG2)) + { + vcd_warn ("this VCD type requires an audio stream to be present"); + } + } + } + + /* vcd_debug ("track# %d's detected playing time: %.2f seconds", */ + /* track_no, sequence->info->playing_time); */ + + _cdio_list_append (obj->mpeg_sequence_list, sequence); + + return track_no; +} + +static int +_pause_cmp (pause_t *ent1, pause_t *ent2) +{ + if (ent1->time < ent2->time) + return -1; + + if (ent1->time > ent2->time) + return 1; + + return 0; +} + +int +vcd_obj_add_sequence_pause (VcdObj *obj, const char sequence_id[], + double pause_time, const char pause_id[]) +{ + mpeg_sequence_t *_sequence; + + vcd_assert (obj != NULL); + + if (sequence_id) + _sequence = _vcd_obj_get_sequence_by_id (obj, sequence_id); + else + _sequence = + _cdio_list_node_data (_cdio_list_end (obj->mpeg_sequence_list)); + + if (!_sequence) + { + vcd_error ("sequence id `%s' not found", sequence_id); + return -1; + } + + if (pause_id) + vcd_warn ("pause id ignored..."); + + { + pause_t *_pause = _vcd_malloc (sizeof (pause_t)); + + if (pause_id) + _pause->id = strdup (pause_id); + _pause->time = pause_time; + + _cdio_list_append (_sequence->pause_list, _pause); + } + + _vcd_list_sort (_sequence->pause_list, + (_cdio_list_cmp_func) _pause_cmp); + + vcd_debug ("added autopause point at %f", pause_time); + + return 0; +} + +int +vcd_obj_add_segment_pause (VcdObj *obj, const char segment_id[], + double pause_time, const char pause_id[]) +{ + mpeg_segment_t *_segment; + + vcd_assert (obj != NULL); + + if (segment_id) + _segment = _vcd_obj_get_segment_by_id (obj, segment_id); + else + _segment = _cdio_list_node_data (_cdio_list_end (obj->mpeg_segment_list)); + + if (!_segment) + { + vcd_error ("segment id `%s' not found", segment_id); + return -1; + } + + if (pause_id) + vcd_warn ("pause id ignored..."); + + { + pause_t *_pause = _vcd_malloc (sizeof (pause_t)); + + if (pause_id) + _pause->id = strdup (pause_id); + _pause->time = pause_time; + + _cdio_list_append (_segment->pause_list, _pause); + } + + _vcd_list_sort (_segment->pause_list, + (_cdio_list_cmp_func) _pause_cmp); + + vcd_debug ("added autopause point at %f", pause_time); + + return 0; +} + +static int +_entry_cmp (entry_t *ent1, entry_t *ent2) +{ + if (ent1->time < ent2->time) + return -1; + + if (ent1->time > ent2->time) + return 1; + + return 0; +} + +int +vcd_obj_add_sequence_entry (VcdObj *obj, const char sequence_id[], + double entry_time, const char entry_id[]) +{ + mpeg_sequence_t *_sequence; + + vcd_assert (obj != NULL); + + if (sequence_id) + _sequence = _vcd_obj_get_sequence_by_id (obj, sequence_id); + else + _sequence = + _cdio_list_node_data (_cdio_list_end (obj->mpeg_sequence_list)); + + if (!_sequence) + { + vcd_error ("sequence id `%s' not found", sequence_id); + return -1; + } + + if (_cdio_list_length (_sequence->entry_list) >= MAX_SEQ_ENTRIES) + { + vcd_error ("only %d entries per sequence allowed!", MAX_SEQ_ENTRIES); + return -1; + } + + if (entry_id && _vcd_pbc_lookup (obj, entry_id)) + { + vcd_error ("item id (%s) exists already", entry_id); + return -1; + } + + { + entry_t *_entry = _vcd_malloc (sizeof (entry_t)); + + if (entry_id) + _entry->id = strdup (entry_id); + _entry->time = entry_time; + + _cdio_list_append (_sequence->entry_list, _entry); + } + + _vcd_list_sort (_sequence->entry_list, + (_cdio_list_cmp_func) _entry_cmp); + + return 0; +} + +void +vcd_obj_destroy (VcdObj *obj) +{ + CdioListNode *node; + + vcd_assert (obj != NULL); + vcd_assert (!obj->in_output); + + free (obj->iso_volume_label); + free (obj->iso_application_id); + + _CDIO_LIST_FOREACH (node, obj->custom_file_list) + { + custom_file_t *p = _cdio_list_node_data (node); + + free (p->iso_pathname); + } + + _cdio_list_free (obj->custom_file_list, true); + + _cdio_list_free (obj->custom_dir_list, true); + + while (_cdio_list_length (obj->mpeg_sequence_list)) + _vcd_obj_remove_mpeg_track (obj, 0); + _cdio_list_free (obj->mpeg_sequence_list, true); + + free (obj); +} + +int +vcd_obj_set_param_uint (VcdObj *obj, vcd_parm_t param, unsigned arg) +{ + vcd_assert (obj != NULL); + + switch (param) + { + case VCD_PARM_VOLUME_COUNT: + obj->info_volume_count = arg; + if (!IN (obj->info_volume_count, 1, 65535)) + { + obj->info_volume_count = CLAMP (obj->info_volume_count, 1, 65535); + vcd_warn ("volume count out of range, clamping to range"); + } + vcd_debug ("changed volume count to %u", obj->info_volume_count); + break; + + case VCD_PARM_VOLUME_NUMBER: + obj->info_volume_number = arg; + if (!IN (obj->info_volume_number, 0, 65534)) + { + obj->info_volume_number = CLAMP (obj->info_volume_number, 0, 65534); + vcd_warn ("volume number out of range, clamping to range"); + } + vcd_debug ("changed volume number to %u", obj->info_volume_number); + break; + + case VCD_PARM_RESTRICTION: + obj->info_restriction = arg; + if (!IN (obj->info_restriction, 0, 3)) + { + obj->info_restriction = CLAMP (obj->info_restriction, 0, 65534); + vcd_warn ("restriction out of range, clamping to range"); + } + vcd_debug ("changed restriction number to %u", obj->info_restriction); + break; + + case VCD_PARM_LEADOUT_PREGAP: + obj->leadout_pregap = arg; + if (!IN (obj->leadout_pregap, 0, 300)) + { + obj->leadout_pregap = CLAMP (obj->leadout_pregap, 0, 300); + vcd_warn ("ledout pregap out of range, clamping to allowed range"); + } + if (obj->leadout_pregap < CDIO_PREGAP_SECTORS) + vcd_warn ("track leadout pregap set below %d sectors; created (s)vcd may be non-working", + CDIO_PREGAP_SECTORS); + + vcd_debug ("changed leadout pregap to %u", obj->leadout_pregap); + break; + + case VCD_PARM_TRACK_PREGAP: + obj->track_pregap = arg; + if (!IN (obj->track_pregap, 1, 300)) + { + obj->track_pregap = CLAMP (obj->track_pregap, 1, 300); + vcd_warn ("track pregap out of range, clamping to allowed range"); + } + if (obj->track_pregap < CDIO_PREGAP_SECTORS) + vcd_warn ("track pre gap set below %d sectors; created (S)VCD may be non-working", + CDIO_PREGAP_SECTORS); + vcd_debug ("changed track pregap to %u", obj->track_pregap); + break; + + case VCD_PARM_TRACK_FRONT_MARGIN: + obj->track_front_margin = arg; + if (!IN (obj->track_front_margin, 0, CDIO_PREGAP_SECTORS)) + { + obj->track_front_margin = CLAMP (obj->track_front_margin, 0, + CDIO_PREGAP_SECTORS); + vcd_warn ("front margin out of range, clamping to allowed range"); + } + if (_vcd_obj_has_cap_p (obj, _CAP_TRACK_MARGINS) + && obj->track_front_margin < 15) + vcd_warn ("front margin set smaller than recommended (%d < 15 sectors) for disc type used", + obj->track_front_margin); + + vcd_debug ("changed front margin to %u", obj->track_front_margin); + break; + + case VCD_PARM_TRACK_REAR_MARGIN: + obj->track_rear_margin = arg; + if (!IN (obj->track_rear_margin, 0, CDIO_POSTGAP_SECTORS)) + { + obj->track_rear_margin = CLAMP (obj->track_rear_margin, 0, + CDIO_POSTGAP_SECTORS); + vcd_warn ("rear margin out of range, clamping to allowed range"); + } + if (_vcd_obj_has_cap_p (obj, _CAP_TRACK_MARGINS) + && obj->track_rear_margin < 15) + vcd_warn ("rear margin set smaller than recommended (%d < 15 sectors) for disc type used", + obj->track_rear_margin); + vcd_debug ("changed rear margin to %u", obj->track_rear_margin); + break; + + default: + vcd_assert_not_reached (); + break; + } + + return 0; +} + +int +vcd_obj_set_param_str (VcdObj *obj, vcd_parm_t param, const char *arg) +{ + vcd_assert (obj != NULL); + vcd_assert (arg != NULL); + + switch (param) + { + case VCD_PARM_VOLUME_ID: + free (obj->iso_volume_label); + obj->iso_volume_label = strdup (arg); + if (strlen (obj->iso_volume_label) > 32) + { + obj->iso_volume_label[32] = '\0'; + vcd_warn ("Volume label too long, will be truncated"); + } + vcd_debug ("changed volume label to `%s'", obj->iso_volume_label); + break; + + case VCD_PARM_PUBLISHER_ID: + free (obj->iso_publisher_id); + obj->iso_publisher_id = strdup (arg); + if (strlen (obj->iso_publisher_id) > 128) + { + obj->iso_publisher_id[128] = '\0'; + vcd_warn ("Publisher ID too long, will be truncated"); + } + vcd_debug ("changed publisher id to `%s'", obj->iso_publisher_id); + break; + + case VCD_PARM_PREPARER_ID: + free (obj->iso_preparer_id); + obj->iso_preparer_id = strdup (arg); + if (strlen (obj->iso_preparer_id) > 128) + { + obj->iso_preparer_id[128] = '\0'; + vcd_warn ("Preparer ID too long, will be truncated"); + } + vcd_debug ("changed preparer id to `%s'", obj->iso_preparer_id); + break; + + case VCD_PARM_APPLICATION_ID: + free (obj->iso_application_id); + obj->iso_application_id = strdup (arg); + if (strlen (obj->iso_application_id) > 128) + { + obj->iso_application_id[128] = '\0'; + vcd_warn ("Application ID too long, will be truncated"); + } + vcd_debug ("changed application id to `%s'", obj->iso_application_id); + break; + + case VCD_PARM_ALBUM_ID: + free (obj->info_album_id); + obj->info_album_id = strdup (arg); + if (strlen (obj->info_album_id) > 16) + { + obj->info_album_id[16] = '\0'; + vcd_warn ("Album ID too long, will be truncated"); + } + vcd_debug ("changed album id to `%s'", obj->info_album_id); + break; + + default: + vcd_assert_not_reached (); + break; + } + + return 0; +} + +int +vcd_obj_set_param_bool (VcdObj *obj, vcd_parm_t param, bool arg) +{ + vcd_assert (obj != NULL); + + switch (param) + { + case VCD_PARM_RELAXED_APS: + obj->relaxed_aps = arg ? true : false; + vcd_debug ("changing 'relaxed aps' to %d", obj->relaxed_aps); + break; + + case VCD_PARM_NEXT_VOL_LID2: + obj->info_use_lid2 = arg ? true : false; + vcd_debug ("changing 'next volume use lid 2' to %d", obj->info_use_lid2); + break; + + case VCD_PARM_NEXT_VOL_SEQ2: + obj->info_use_seq2 = arg ? true : false; + vcd_debug ("changing 'next volume use sequence 2' to %d", obj->info_use_seq2); + break; + + case VCD_PARM_SVCD_VCD3_MPEGAV: + if (obj->type == VCD_TYPE_SVCD) + { + if ((obj->svcd_vcd3_mpegav = arg ? true : false)) + vcd_warn ("!! enabling deprecated VCD3.0 MPEGAV folder --" + " SVCD will not be IEC62107 compliant !!"); + } + else + vcd_error ("parameter not applicable for vcd type"); + break; + + case VCD_PARM_SVCD_VCD3_ENTRYSVD: + if (obj->type == VCD_TYPE_SVCD) + { + if ((obj->svcd_vcd3_entrysvd = arg ? true : false)) + vcd_warn ("!! enabling deprecated VCD3.0 ENTRYSVD signature --" + " SVCD will not be IEC62107 compliant !!"); + } + else + vcd_error ("parameter not applicable for vcd type"); + break; + + case VCD_PARM_SVCD_VCD3_TRACKSVD: + if (obj->type == VCD_TYPE_SVCD) + { + if ((obj->svcd_vcd3_tracksvd = arg ? true : false)) + vcd_warn ("!! enabling deprecated VCD3.0 TRACK.SVD format --" + " SVCD will not be IEC62107 compliant !!"); + } + else + vcd_error ("parameter not applicable for vcd type"); + break; + + case VCD_PARM_UPDATE_SCAN_OFFSETS: + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + obj->update_scan_offsets = arg ? true : false; + vcd_debug ("changing 'update scan offsets' to %d", obj->update_scan_offsets); + } + else + vcd_error ("parameter not applicable for vcd type"); + break; + + case VCD_PARM_LEADOUT_PAUSE: + vcd_warn ("use of 'leadout pause' is deprecated and may be removed in later releases;" + " use 'leadout pregap' instead"); + vcd_obj_set_param_uint (obj, VCD_PARM_LEADOUT_PREGAP, + (arg ? CDIO_PREGAP_SECTORS : 0)); + break; + + default: + vcd_assert_not_reached (); + break; + } + + return 0; +} + +int +vcd_obj_add_dir (VcdObj *obj, const char iso_pathname[]) +{ + char *_iso_pathname; + + vcd_assert (obj != NULL); + vcd_assert (iso_pathname != NULL); + + _iso_pathname = _vcd_strdup_upper (iso_pathname); + + if (!iso9660_dirname_valid_p (_iso_pathname)) + { + vcd_error("pathname `%s' is not a valid iso pathname", + _iso_pathname); + free (_iso_pathname); + return 1; + } + + _cdio_list_append (obj->custom_dir_list, _iso_pathname); + + _vcd_list_sort (obj->custom_dir_list, + (_cdio_list_cmp_func) strcmp); + + return 0; +} + +int +vcd_obj_add_file (VcdObj *obj, const char iso_pathname[], + VcdDataSource *file, bool raw_flag) +{ + uint32_t size = 0, sectors = 0; + + vcd_assert (obj != NULL); + vcd_assert (file != NULL); + vcd_assert (iso_pathname != NULL); + vcd_assert (strlen (iso_pathname) > 0); + vcd_assert (file != NULL); + + size = vcd_data_source_stat (file); + + /* close file to save file descriptors */ + vcd_data_source_close (file); + + if (raw_flag) + { + if (!size) + { + vcd_error("raw mode2 file must not be empty\n"); + return 1; + } + + sectors = size / M2RAW_SECTOR_SIZE; + + if (size % M2RAW_SECTOR_SIZE) + { + vcd_error("raw mode2 file must have size multiple of %d \n", + M2RAW_SECTOR_SIZE); + return 1; + } + } + else + sectors = _vcd_len2blocks (size, CDIO_CD_FRAMESIZE); + + { + custom_file_t *p; + char *_iso_pathname = _vcd_strdup_upper (iso_pathname); + + if (!iso9660_pathname_valid_p (_iso_pathname)) + { + vcd_error("pathname `%s' is not a valid iso pathname", + _iso_pathname); + free (_iso_pathname); + return 1; + } + + p = _vcd_malloc (sizeof (custom_file_t)); + + p->file = file; + p->iso_pathname = _iso_pathname; + p->raw_flag = raw_flag; + + p->size = size; + p->start_extent = 0; + p->sectors = sectors; + + _cdio_list_append (obj->custom_file_list, p); + } + + return 0; +} + +static void +_finalize_vcd_iso_track_allocation (VcdObj *obj) +{ + int n; + CdioListNode *node; + + uint32_t dir_secs = SECTOR_NIL; + + _dict_clean (obj); + + /* pre-alloc 16 blocks of ISO9660 required silence */ + if (_vcd_salloc (obj->iso_bitmap, 0, 16) == SECTOR_NIL) + vcd_assert_not_reached (); + + /* keep karaoke sectors blank -- well... guess I'm too paranoid :) */ + if (_vcd_salloc (obj->iso_bitmap, 75, 75) == SECTOR_NIL) + vcd_assert_not_reached (); + + /* pre-alloc descriptors, PVD */ + _dict_insert (obj, "pvd", ISO_PVD_SECTOR, 1, SM_EOR); /* EOR */ + /* EVD */ + _dict_insert (obj, "evd", ISO_EVD_SECTOR, 1, SM_EOR|SM_EOF); /* EOR+EOF */ + + /* reserve for iso directory */ + dir_secs = _vcd_salloc (obj->iso_bitmap, 18, 75-18); + + /* VCD information area */ + + _dict_insert (obj, "info", INFO_VCD_SECTOR, 1, SM_EOF); /* INFO.VCD */ /* EOF */ + _dict_insert (obj, "entries", ENTRIES_VCD_SECTOR, 1, SM_EOF); /* ENTRIES.VCD */ /* EOF */ + + /* PBC */ + + if (_vcd_pbc_available (obj)) + { + _dict_insert (obj, "lot", LOT_VCD_SECTOR, LOT_VCD_SIZE, SM_EOF); /* LOT.VCD */ /* EOF */ + _dict_insert (obj, "psd", PSD_VCD_SECTOR, + _vcd_len2blocks (get_psd_size (obj, false), ISO_BLOCKSIZE), SM_EOF); /* PSD.VCD */ /* EOF */ + } + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + _dict_insert (obj, "tracks", SECTOR_NIL, 1, SM_EOF); /* TRACKS.SVD */ + _dict_insert (obj, "search", SECTOR_NIL, + _vcd_len2blocks (get_search_dat_size (obj), ISO_BLOCKSIZE), SM_EOF); /* SEARCH.DAT */ + + vcd_assert (_dict_get_bykey (obj, "tracks")->sector > INFO_VCD_SECTOR); + vcd_assert (_dict_get_bykey (obj, "search")->sector > INFO_VCD_SECTOR); + } + + /* done with primary information area */ + + obj->mpeg_segment_start_extent = + _vcd_len2blocks (_vcd_salloc_get_highest (obj->iso_bitmap) + 1, 75) * 75; + + /* salloc up to end of vcd sector */ + for(n = 0;n < obj->mpeg_segment_start_extent;n++) + _vcd_salloc (obj->iso_bitmap, n, 1); + + vcd_assert (_vcd_salloc_get_highest (obj->iso_bitmap) + 1 == obj->mpeg_segment_start_extent); + + /* insert segments */ + + _CDIO_LIST_FOREACH (node, obj->mpeg_segment_list) + { + mpeg_segment_t *_segment = _cdio_list_node_data (node); + + _segment->start_extent = + _vcd_salloc (obj->iso_bitmap, SECTOR_NIL, + _segment->segment_count * VCDINFO_SEGMENT_SECTOR_SIZE); + + vcd_assert (_segment->start_extent % 75 == 0); + vcd_assert (_vcd_salloc_get_highest (obj->iso_bitmap) + 1 + == _segment->start_extent + + _segment->segment_count * VCDINFO_SEGMENT_SECTOR_SIZE); + } + + obj->ext_file_start_extent = _vcd_salloc_get_highest (obj->iso_bitmap) + 1; + + vcd_assert (obj->ext_file_start_extent % 75 == 0); + + /* go on with EXT area */ + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + _dict_insert (obj, "scandata", SECTOR_NIL, + _vcd_len2blocks (get_scandata_dat_size (obj), + ISO_BLOCKSIZE), + SM_EOF); + } + + if (_vcd_obj_has_cap_p (obj, _CAP_PBC_X) + &&_vcd_pbc_available (obj)) + { + _dict_insert (obj, "lot_x", SECTOR_NIL, LOT_VCD_SIZE, SM_EOF); + + _dict_insert (obj, "psd_x", SECTOR_NIL, + _vcd_len2blocks (get_psd_size (obj, true), ISO_BLOCKSIZE), + SM_EOF); + } + + + obj->custom_file_start_extent = + _vcd_salloc_get_highest (obj->iso_bitmap) + 1; + + /* now for the custom files */ + + _CDIO_LIST_FOREACH (node, obj->custom_file_list) + { + custom_file_t *p = _cdio_list_node_data (node); + + if (p->sectors) + { + p->start_extent = + _vcd_salloc(obj->iso_bitmap, SECTOR_NIL, p->sectors); + vcd_assert (p->start_extent != SECTOR_NIL); + } + else /* zero sized files -- set dummy extent */ + p->start_extent = obj->custom_file_start_extent; + } + + /* calculate iso size -- after this point no sector shall be + allocated anymore */ + + obj->iso_size = + MAX (MIN_ISO_SIZE, _vcd_salloc_get_highest (obj->iso_bitmap) + 1); + + vcd_debug ("iso9660: highest alloced sector is %lu (using %d as isosize)", + (unsigned long int) _vcd_salloc_get_highest (obj->iso_bitmap), + obj->iso_size); + + /* after this point the ISO9660's size is frozen */ +} + +static void +_finalize_vcd_iso_track_filesystem (VcdObj *obj) +{ + int n; + CdioListNode *node; + + /* create filesystem entries */ + + switch (obj->type) { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_VCD2: + /* add only necessary directories! */ + /* _vcd_directory_mkdir (obj->dir, "CDDA"); */ + /* _vcd_directory_mkdir (obj->dir, "CDI"); */ + _vcd_directory_mkdir (obj->dir, "EXT"); + /* _vcd_directory_mkdir (obj->dir, "KARAOKE"); */ + _vcd_directory_mkdir (obj->dir, "MPEGAV"); + _vcd_directory_mkdir (obj->dir, "VCD"); + + /* add segment dir only when there are actually segment play items */ + if (_cdio_list_length (obj->mpeg_segment_list)) + _vcd_directory_mkdir (obj->dir, "SEGMENT"); + + _vcd_directory_mkfile (obj->dir, "VCD/ENTRIES.VCD", + _dict_get_bykey (obj, "entries")->sector, + ISO_BLOCKSIZE, false, 0); + _vcd_directory_mkfile (obj->dir, "VCD/INFO.VCD", + _dict_get_bykey (obj, "info")->sector, + ISO_BLOCKSIZE, false, 0); + + /* only for vcd2.0 */ + if (_vcd_pbc_available (obj)) + { + _vcd_directory_mkfile (obj->dir, "VCD/LOT.VCD", + _dict_get_bykey (obj, "lot")->sector, + ISO_BLOCKSIZE*LOT_VCD_SIZE, false, 0); + _vcd_directory_mkfile (obj->dir, "VCD/PSD.VCD", + _dict_get_bykey (obj, "psd")->sector, + get_psd_size (obj, false), false, 0); + } + break; + + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + _vcd_directory_mkdir (obj->dir, "EXT"); + + if (!obj->svcd_vcd3_mpegav) + _vcd_directory_mkdir (obj->dir, "MPEG2"); + else + { + vcd_warn ("adding MPEGAV dir for *DEPRECATED* SVCD VCD30 mode"); + _vcd_directory_mkdir (obj->dir, "MPEGAV"); + } + + /* add segment dir only when there are actually segment play items */ + if (_cdio_list_length (obj->mpeg_segment_list)) + _vcd_directory_mkdir (obj->dir, "SEGMENT"); + + _vcd_directory_mkdir (obj->dir, "SVCD"); + + _vcd_directory_mkfile (obj->dir, "SVCD/ENTRIES.SVD", + _dict_get_bykey (obj, "entries")->sector, + ISO_BLOCKSIZE, false, 0); + _vcd_directory_mkfile (obj->dir, "SVCD/INFO.SVD", + _dict_get_bykey (obj, "info")->sector, + ISO_BLOCKSIZE, false, 0); + + if (_vcd_pbc_available (obj)) + { + _vcd_directory_mkfile (obj->dir, "SVCD/LOT.SVD", + _dict_get_bykey (obj, "lot")->sector, + ISO_BLOCKSIZE*LOT_VCD_SIZE, false, 0); + _vcd_directory_mkfile (obj->dir, "SVCD/PSD.SVD", + _dict_get_bykey (obj, "psd")->sector, + get_psd_size (obj, false), false, 0); + } + + _vcd_directory_mkfile (obj->dir, "SVCD/SEARCH.DAT", + _dict_get_bykey (obj, "search")->sector, + get_search_dat_size (obj), false, 0); + _vcd_directory_mkfile (obj->dir, "SVCD/TRACKS.SVD", + _dict_get_bykey (obj, "tracks")->sector, + ISO_BLOCKSIZE, false, 0); + break; + + default: + vcd_assert_not_reached (); + break; + } + + /* SEGMENTS */ + + n = 1; + _CDIO_LIST_FOREACH (node, obj->mpeg_segment_list) + { + mpeg_segment_t *segment = _cdio_list_node_data (node); + char segment_pathname[128] = { 0, }; + const char *fmt = NULL; + uint8_t fnum = 0; + + switch (obj->type) + { + case VCD_TYPE_VCD2: + fmt = "SEGMENT/ITEM%4.4d.DAT"; + fnum = 1; + break; + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + fmt = "SEGMENT/ITEM%4.4d.MPG"; + fnum = 0; + break; + default: + vcd_assert_not_reached (); + } + + snprintf (segment_pathname, sizeof (segment_pathname), fmt, n); + + _vcd_directory_mkfile (obj->dir, segment_pathname, segment->start_extent, + segment->info->packets * ISO_BLOCKSIZE, + true, fnum); + + vcd_assert (n <= MAX_SEGMENTS); + + n += segment->segment_count; + } + + /* EXT files */ + + if (_vcd_obj_has_cap_p (obj, _CAP_PBC_X) + &&_vcd_pbc_available (obj)) + { + /* psd_x -- extended PSD */ + _vcd_directory_mkfile (obj->dir, "EXT/PSD_X.VCD", + _dict_get_bykey (obj, "psd_x")->sector, + get_psd_size (obj, true), false, 1); + + /* lot_x -- extended LOT */ + _vcd_directory_mkfile (obj->dir, "EXT/LOT_X.VCD", + _dict_get_bykey (obj, "lot_x")->sector, + ISO_BLOCKSIZE*LOT_VCD_SIZE, false, 1); + + vcd_assert (obj->type == VCD_TYPE_VCD2); + } + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + /* scandata.dat -- scanpoints */ + _vcd_directory_mkfile (obj->dir, "EXT/SCANDATA.DAT", + _dict_get_bykey (obj, "scandata")->sector, + get_scandata_dat_size (obj), false, 0); + } + + /* custom files/dirs */ + _CDIO_LIST_FOREACH (node, obj->custom_dir_list) + { + char *p = _cdio_list_node_data (node); + _vcd_directory_mkdir (obj->dir, p); + } + + _CDIO_LIST_FOREACH (node, obj->custom_file_list) + { + custom_file_t *p = _cdio_list_node_data (node); + + _vcd_directory_mkfile (obj->dir, p->iso_pathname, p->start_extent, + (p->raw_flag + ? (ISO_BLOCKSIZE * (p->size / M2RAW_SECTOR_SIZE)) + : p->size), + p->raw_flag, 1); + } + + + n = 0; + _CDIO_LIST_FOREACH (node, obj->mpeg_sequence_list) + { + char avseq_pathname[128] = { 0, }; + const char *fmt = NULL; + mpeg_sequence_t *_sequence = _cdio_list_node_data (node); + uint32_t extent = _sequence->relative_start_extent; + uint8_t file_num = 0; + + extent += obj->iso_size; + + switch (obj->type) + { + case VCD_TYPE_VCD: + fmt = "MPEGAV/MUSIC%2.2d.DAT"; + file_num = n + 1; + break; + + case VCD_TYPE_VCD11: + case VCD_TYPE_VCD2: + fmt = "MPEGAV/AVSEQ%2.2d.DAT"; + file_num = n + 1; + break; + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + fmt = "MPEG2/AVSEQ%2.2d.MPG"; + file_num = 0; + + /* if vcd3 compat mode, override */ + if (obj->svcd_vcd3_mpegav) + { + fmt = "MPEGAV/AVSEQ%2.2d.MPG"; + file_num = n + 1; + } + + break; + default: + vcd_assert_not_reached (); + } + + vcd_assert (n < 98); + + snprintf (avseq_pathname, sizeof (avseq_pathname), fmt, n + 1); + + /* file entry contains front margin, mpeg stream and rear margin */ + _vcd_directory_mkfile (obj->dir, avseq_pathname, extent, + (obj->track_front_margin + + _sequence->info->packets + + obj->track_rear_margin) * ISO_BLOCKSIZE, + true, file_num); + + n++; + } + + /* register isofs dir structures */ + { + uint32_t dirs_size = _vcd_directory_get_size (obj->dir); + + /* be sure to stay out of information areas */ + + switch (obj->type) + { + case VCD_TYPE_VCD: + case VCD_TYPE_VCD11: + case VCD_TYPE_VCD2: + /* karaoke area starts at 03:00 */ + if (16 + 2 + dirs_size + 2 >= 75) + vcd_error ("directory section to big for a VCD"); + break; + + case VCD_TYPE_SVCD: + case VCD_TYPE_HQVCD: + /* since no karaoke exists the next fixed area starts at 04:00 */ + if (16 + 2 + dirs_size + 2 >= 150) + vcd_error ("directory section to big for a SVCD"); + break; + default: + vcd_assert_not_reached (); + } + + /* un-alloc small area */ + + _vcd_salloc_free (obj->iso_bitmap, 18, dirs_size + 2); + + /* alloc it again! */ + + _dict_insert (obj, "dir", 18, dirs_size, SM_EOR|SM_EOF); + _dict_insert (obj, "ptl", 18 + dirs_size, 1, SM_EOR|SM_EOF); + _dict_insert (obj, "ptm", 18 + dirs_size + 1, 1, SM_EOR|SM_EOF); + } +} + +static void +_finalize_vcd_iso_track (VcdObj *obj) +{ + _vcd_pbc_finalize (obj); + _finalize_vcd_iso_track_allocation (obj); + _finalize_vcd_iso_track_filesystem (obj); +} + +static int +_callback_wrapper (VcdObj *obj, int force) +{ + const int cb_frequency = 75; + + if (obj->last_cb_call + cb_frequency > obj->sectors_written && !force) + return 0; + + obj->last_cb_call = obj->sectors_written; + + if (obj->progress_callback) { + progress_info_t _pi; + + _pi.sectors_written = obj->sectors_written; + _pi.total_sectors = obj->relative_end_extent + obj->iso_size; + _pi.in_track = obj->in_track; + _pi.total_tracks = _cdio_list_length (obj->mpeg_sequence_list) + 1; + + return obj->progress_callback (&_pi, obj->callback_user_data); + } + else + return 0; +} + +static int +_write_m2_image_sector (VcdObj *obj, const void *data, uint32_t extent, + uint8_t fnum, uint8_t cnum, uint8_t sm, uint8_t ci) +{ + char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; + + vcd_assert (extent == obj->sectors_written); + + _vcd_make_mode2(buf, data, extent, fnum, cnum, sm, ci); + + vcd_image_sink_write (obj->image_sink, buf, extent); + + obj->sectors_written++; + + return _callback_wrapper (obj, false); +} + +static int +_write_m2_raw_image_sector (VcdObj *obj, const void *data, uint32_t extent) +{ + char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; + + vcd_assert (extent == obj->sectors_written); + + _vcd_make_raw_mode2(buf, data, extent); + + vcd_image_sink_write (obj->image_sink, buf, extent); + + obj->sectors_written++; + + return _callback_wrapper (obj, false); +} + +static void +_write_source_mode2_raw (VcdObj *obj, VcdDataSource *source, uint32_t extent) +{ + int n; + uint32_t sectors; + + sectors = vcd_data_source_stat (source) / M2RAW_SECTOR_SIZE; + + vcd_data_source_seek (source, 0); + + for (n = 0;n < sectors;n++) { + char buf[M2RAW_SECTOR_SIZE] = { 0, }; + + vcd_data_source_read (source, buf, M2RAW_SECTOR_SIZE, 1); + + if (_write_m2_raw_image_sector (obj, buf, extent+n)) + break; + } + + vcd_data_source_close (source); +} + +static void +_write_source_mode2_form1 (VcdObj *obj, VcdDataSource *source, uint32_t extent) +{ + int n; + uint32_t sectors, size, last_block_size; + + size = vcd_data_source_stat (source); + + sectors = _vcd_len2blocks (size, CDIO_CD_FRAMESIZE); + + last_block_size = size % CDIO_CD_FRAMESIZE; + if (!last_block_size) + last_block_size = CDIO_CD_FRAMESIZE; + + vcd_data_source_seek (source, 0); + + for (n = 0;n < sectors;n++) { + char buf[CDIO_CD_FRAMESIZE] = { 0, }; + + vcd_data_source_read (source, buf, + ((n + 1 == sectors) + ? last_block_size + : CDIO_CD_FRAMESIZE), 1); + + if (_write_m2_image_sector (obj, buf, extent+n, 1, 0, + ((n+1 < sectors) + ? SM_DATA + : SM_DATA |SM_EOF), + 0)) + break; + } + + vcd_data_source_close (source); +} + +static int +_write_sequence (VcdObj *obj, int track_idx) +{ + mpeg_sequence_t *track = + _cdio_list_node_data (_vcd_list_at (obj->mpeg_sequence_list, track_idx)); + CdioListNode *pause_node; + int n, lastsect = obj->sectors_written; + char buf[2324]; + struct { + int audio; + int video; + int zero; + int ogt; + int unknown; + } mpeg_packets = {0, }; + + + { + char *norm_str = NULL; + const struct vcd_mpeg_stream_vid_info *_info = &track->info->shdr[0]; + + switch (vcd_mpeg_get_norm (_info)) { + case MPEG_NORM_PAL: + norm_str = strdup ("PAL SIF (352x288/25fps)"); + break; + case MPEG_NORM_NTSC: + norm_str = strdup ("NTSC SIF (352x240/29.97fps)"); + break; + case MPEG_NORM_FILM: + norm_str = strdup ("FILM SIF (352x240/24fps)"); + break; + case MPEG_NORM_PAL_S: + norm_str = strdup ("PAL 2/3 D1 (480x576/25fps)"); + break; + case MPEG_NORM_NTSC_S: + norm_str = strdup ("NTSC 2/3 D1 (480x480/29.97fps)"); + break; + + case MPEG_NORM_OTHER: + { + char buf[1024] = { 0, }; + switch (_info->vsize) + { + case 480: + case 240: + snprintf (buf, sizeof (buf), "NTSC UNKNOWN (%dx%d/%2.2ffps)", + _info->hsize, _info->vsize, _info->frate); + break; + case 288: + case 576: + snprintf (buf, sizeof (buf), "PAL UNKNOWN (%dx%d/%2.2ffps)", + _info->hsize, _info->vsize, _info->frate); + break; + default: + snprintf (buf, sizeof (buf), "UNKNOWN (%dx%d/%2.2ffps)", + _info->hsize, _info->vsize, _info->frate); + break; + } + norm_str = strdup (buf); + } + break; + } + + { + char buf[1024] = { 0, }, buf2[1024] = { 0, }; + int i; + + for (i = 0; i < 3; i++) + if (track->info->ahdr[i].seen) + { + const char *_mode_str[] = { + 0, + "stereo", + "jstereo", + "dual", + "single", + 0 + }; + + snprintf (buf, sizeof (buf), "audio[%d]: l%d/%2.1fkHz/%dkbps/%s ", + i, + track->info->ahdr[i].layer, + track->info->ahdr[i].sampfreq / 1000.0, + track->info->ahdr[i].bitrate / 1024, + _mode_str[track->info->ahdr[i].mode]); + + strncat (buf2, buf, sizeof(buf2) - strlen(buf2) - 1); + } + + vcd_info ("writing track %d, %s, %s, %s...", track_idx + 2, + (track->info->version == MPEG_VERS_MPEG1 ? "MPEG1" : "MPEG2"), + norm_str, buf2); + } + + free (norm_str); + } + + for (n = 0; n < obj->track_pregap; n++) + _write_m2_image_sector (obj, zero, lastsect++, 0, 0, SM_FORM2, 0); + + for (n = 0; n < obj->track_front_margin;n++) + _write_m2_image_sector (obj, zero, lastsect++, track_idx + 1, + 0, SM_FORM2|SM_REALT, 0); + + pause_node = _cdio_list_begin (track->pause_list); + + for (n = 0; n < track->info->packets; n++) { + int ci = 0, sm = 0, cnum = 0, fnum = 0; + struct vcd_mpeg_packet_info pkt_flags; + bool set_trigger = false; + + vcd_mpeg_source_get_packet (track->source, n, buf, &pkt_flags, + obj->update_scan_offsets); + + while (pause_node) + { + pause_t *_pause = _cdio_list_node_data (pause_node); + + if (!pkt_flags.has_pts) + break; /* no pts */ + + if (pkt_flags.pts < _pause->time) + break; /* our time has not come yet */ + + /* seems it's time to trigger! */ + set_trigger = true; + + vcd_debug ("setting auto pause trigger for time %f (pts %f) @%d", + _pause->time, pkt_flags.pts, n); + + pause_node = _cdio_list_node_next (pause_node); + } + + switch (vcd_mpeg_packet_get_type (&pkt_flags)) + { + case PKT_TYPE_VIDEO: + mpeg_packets.video++; + sm = SM_FORM2|SM_REALT|SM_VIDEO; + ci = CI_VIDEO; + cnum = CN_VIDEO; + break; + + case PKT_TYPE_OGT: + mpeg_packets.ogt++; + sm = SM_FORM2|SM_REALT|SM_VIDEO; + ci = CI_OGT; + cnum = CN_OGT; + break; + + case PKT_TYPE_AUDIO: + mpeg_packets.audio++; + sm = SM_FORM2|SM_REALT|SM_AUDIO; + ci = CI_AUDIO; + cnum = CN_AUDIO; + if (pkt_flags.audio[1] || pkt_flags.audio[2]) + { + ci = CI_AUDIO2; + cnum = CN_AUDIO2; + } + break; + + + case PKT_TYPE_ZERO: + mpeg_packets.zero++; + mpeg_packets.unknown--; + case PKT_TYPE_EMPTY: + mpeg_packets.unknown++; + sm = SM_FORM2|SM_REALT; + ci = CI_EMPTY; + cnum = CN_EMPTY; + break; + + case PKT_TYPE_INVALID: + vcd_error ("invalid mpeg packet found at packet# %d" + " -- please fix this mpeg file!", n); + vcd_mpeg_source_close (track->source); + return 1; + break; + + default: + vcd_assert_not_reached (); + } + + if (n == track->info->packets - 1) + { + sm |= SM_EOR; + if (!obj->track_rear_margin) /* if no rear margin... */ + sm |= SM_EOF; + } + + if (set_trigger) + sm |= SM_TRIG; + + fnum = track_idx + 1; + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD) + && !obj->svcd_vcd3_mpegav) /* IEC62107 SVCDs have a + simplified subheader */ + { + fnum = 1; + ci = CI_MPEG2; + } + + if (_write_m2_image_sector (obj, buf, lastsect++, fnum, cnum, sm, ci)) + break; + } + + vcd_mpeg_source_close (track->source); + + for (n = 0; n < obj->track_rear_margin; n++) + { + const uint8_t ci = 0, cnum = 0; + uint8_t fnum = track_idx + 1; + uint8_t sm = SM_FORM2 | SM_REALT; + + if (n + 1 == obj->track_rear_margin) + sm |= SM_EOF; + + _write_m2_image_sector (obj, zero, lastsect++, fnum, cnum, sm, ci); + } + + vcd_debug ("MPEG packet statistics: %d video, %d audio, %d zero, %d ogt, %d unknown", + mpeg_packets.video, mpeg_packets.audio, mpeg_packets.zero, mpeg_packets.ogt, + mpeg_packets.unknown); + + return 0; +} + +static int +_write_segment (VcdObj *obj, mpeg_segment_t *_segment) +{ + CdioListNode *pause_node; + unsigned packet_no; + int n = obj->sectors_written; + + vcd_assert (_segment->start_extent == n); + + pause_node = _cdio_list_begin (_segment->pause_list); + + for (packet_no = 0; + packet_no < (_segment->segment_count * VCDINFO_SEGMENT_SECTOR_SIZE); + packet_no++) + { + uint8_t buf[M2F2_SECTOR_SIZE] = { 0, }; + uint8_t fn, cn, sm, ci; + + if (packet_no < _segment->info->packets) + { + struct vcd_mpeg_packet_info pkt_flags; + bool set_trigger = false; + bool _need_eor = false; + + vcd_mpeg_source_get_packet (_segment->source, packet_no, + buf, &pkt_flags, obj->update_scan_offsets); + + fn = 1; + cn = CN_EMPTY; + sm = SM_FORM2 | SM_REALT; + ci = CI_EMPTY; + + while (pause_node) + { + pause_t *_pause = _cdio_list_node_data (pause_node); + + if (!pkt_flags.has_pts) + break; /* no pts */ + + if (pkt_flags.pts < _pause->time) + break; /* our time has not come yet */ + + /* seems it's time to trigger! */ + set_trigger = true; + + vcd_debug ("setting auto pause trigger for time %f (pts %f) @%d", + _pause->time, pkt_flags.pts, n); + + pause_node = _cdio_list_node_next (pause_node); + } + + switch (vcd_mpeg_packet_get_type (&pkt_flags)) + { + case PKT_TYPE_VIDEO: + sm = SM_FORM2 | SM_REALT | SM_VIDEO; + + ci = CI_VIDEO; + cn = CN_VIDEO; + + if (pkt_flags.video[1]) + ci = CI_STILL, cn = CN_STILL; + else if (pkt_flags.video[2]) + ci = CI_STILL2, cn = CN_STILL2; + + if (pkt_flags.video[1] || pkt_flags.video[2]) + { /* search for endcode -- hack */ + int idx; + + for (idx = 0; idx <= 2320; idx++) + if (buf[idx] == 0x00 + && buf[idx + 1] == 0x00 + && buf[idx + 2] == 0x01 + && buf[idx + 3] == 0xb7) + { + _need_eor = true; + break; + } + } + break; + + case PKT_TYPE_AUDIO: + sm = SM_FORM2 | SM_REALT | SM_AUDIO; + + ci = CI_AUDIO; + cn = CN_AUDIO; + break; + + case PKT_TYPE_EMPTY: + ci = CI_EMPTY; + cn = CN_EMPTY; + break; + + default: + /* fixme -- check.... */ + break; + } + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + cn = 1; + sm = SM_FORM2 | SM_REALT | SM_VIDEO; + ci = CI_MPEG2; + } + + if (packet_no + 1 == _segment->info->packets) + sm |= SM_EOF; + + if (set_trigger) + sm |= SM_TRIG; + + if (_need_eor) + { + vcd_debug ("setting EOR for SeqEnd at packet# %d ('%s')", + packet_no, _segment->id); + sm |= SM_EOR; + } + } + else + { + fn = 1; + cn = CN_EMPTY; + sm = SM_FORM2 | SM_REALT; + ci = CI_EMPTY; + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + fn = 0; + sm = SM_FORM2; + } + + } + + _write_m2_image_sector (obj, buf, n, fn, cn, sm, ci); + + n++; + } + + vcd_mpeg_source_close (_segment->source); + + return 0; +} + +static uint32_t +_get_closest_aps (const struct vcd_mpeg_stream_info *_mpeg_info, double t, + struct aps_data *_best_aps) +{ + CdioListNode *node; + struct aps_data best_aps; + bool first = true; + + vcd_assert (_mpeg_info != NULL); + vcd_assert (_mpeg_info->shdr[0].aps_list != NULL); + + _CDIO_LIST_FOREACH (node, _mpeg_info->shdr[0].aps_list) + { + struct aps_data *_aps = _cdio_list_node_data (node); + + if (first) + { + best_aps = *_aps; + first = false; + } + else if (fabs (_aps->timestamp - t) < fabs (best_aps.timestamp - t)) + best_aps = *_aps; + else + break; + } + + if (_best_aps) + *_best_aps = best_aps; + + return best_aps.packet_no; +} + +static void +_update_entry_points (VcdObj *obj) +{ + CdioListNode *sequence_node; + + _CDIO_LIST_FOREACH (sequence_node, obj->mpeg_sequence_list) + { + mpeg_sequence_t *_sequence = _cdio_list_node_data (sequence_node); + CdioListNode *entry_node; + unsigned last_packet_no = 0; + + _CDIO_LIST_FOREACH (entry_node, _sequence->entry_list) + { + entry_t *_entry = _cdio_list_node_data (entry_node); + + _get_closest_aps (_sequence->info, _entry->time, &_entry->aps); + + vcd_log ((fabs (_entry->aps.timestamp - _entry->time) > 1 + ? VCD_LOG_WARN + : VCD_LOG_DEBUG), + "requested entry point (id=%s) at %f, " + "closest possible entry point at %f", + _entry->id, _entry->time, _entry->aps.timestamp); + + if (last_packet_no == _entry->aps.packet_no) + vcd_warn ("entry point '%s' falls into same sector as previous one!", + _entry->id); + + last_packet_no = _entry->aps.packet_no; + } + } +} + +static int +_write_vcd_iso_track (VcdObj *obj, const time_t *create_time) +{ + CdioListNode *node; + int n; + + /* generate dir sectors */ + + _vcd_directory_dump_entries (obj->dir, + _dict_get_bykey (obj, "dir")->buf, + _dict_get_bykey (obj, "dir")->sector); + + _vcd_directory_dump_pathtables (obj->dir, + _dict_get_bykey (obj, "ptl")->buf, + _dict_get_bykey (obj, "ptm")->buf); + + /* generate PVD and EVD at last... */ + iso9660_set_pvd (_dict_get_bykey (obj, "pvd")->buf, + obj->iso_volume_label, + obj->iso_publisher_id, + obj->iso_preparer_id, + obj->iso_application_id, + obj->iso_size, + _dict_get_bykey (obj, "dir")->buf, + _dict_get_bykey (obj, "ptl")->sector, + _dict_get_bykey (obj, "ptm")->sector, + iso9660_pathtable_get_size (_dict_get_bykey (obj, "ptm")->buf), + create_time +); + + iso9660_set_evd (_dict_get_bykey (obj, "evd")->buf); + + /* fill VCD relevant files with data */ + + set_info_vcd (obj, _dict_get_bykey (obj, "info")->buf); + set_entries_vcd (obj, _dict_get_bykey (obj, "entries")->buf); + + if (_vcd_pbc_available (obj)) + { + if (_vcd_obj_has_cap_p (obj, _CAP_PBC_X)) + { + set_lot_vcd (obj, _dict_get_bykey (obj, "lot_x")->buf, true); + set_psd_vcd (obj, _dict_get_bykey (obj, "psd_x")->buf, true); + } + + _vcd_pbc_check_unreferenced (obj); + + set_lot_vcd (obj, _dict_get_bykey (obj, "lot")->buf, false); + set_psd_vcd (obj, _dict_get_bykey (obj, "psd")->buf, false); + } + + if (_vcd_obj_has_cap_p (obj, _CAP_4C_SVCD)) + { + set_tracks_svd (obj, _dict_get_bykey (obj, "tracks")->buf); + set_search_dat (obj, _dict_get_bykey (obj, "search")->buf); + set_scandata_dat (obj, _dict_get_bykey (obj, "scandata")->buf); + } + + /* start actually writing stuff */ + + vcd_info ("writing track 1 (ISO9660)..."); + + /* 00:02:00 -> 00:04:74 */ + for (n = 0;n < obj->mpeg_segment_start_extent; n++) + { + const void *content = NULL; + uint8_t flags = SM_DATA; + + content = _dict_get_sector (obj, n); + flags |= _dict_get_sector_flags (obj, n); + + if (content == NULL) + content = zero; + + _write_m2_image_sector (obj, content, n, 0, 0, flags, 0); + } + + /* SEGMENTS */ + + vcd_assert (n == obj->mpeg_segment_start_extent); + + _CDIO_LIST_FOREACH (node, obj->mpeg_segment_list) + { + mpeg_segment_t *_segment = _cdio_list_node_data (node); + + _write_segment (obj, _segment); + } + + n = obj->sectors_written; + + /* EXT stuff */ + + vcd_assert (n == obj->ext_file_start_extent); + + for (;n < obj->custom_file_start_extent; n++) + { + const void *content = NULL; + uint8_t flags = SM_DATA; + uint8_t fileno = _vcd_obj_has_cap_p (obj, _CAP_4C_SVCD) ? 0 : 1; + + content = _dict_get_sector (obj, n); + flags |= _dict_get_sector_flags (obj, n); + + if (content == NULL) + { + vcd_debug ("unexpected empty EXT sector"); + content = zero; + } + + _write_m2_image_sector (obj, content, n, fileno, 0, flags, 0); + } + + /* write custom files */ + + vcd_assert (n == obj->custom_file_start_extent); + + _CDIO_LIST_FOREACH (node, obj->custom_file_list) + { + custom_file_t *p = _cdio_list_node_data (node); + + vcd_info ("writing file `%s' (%lu bytes%s)", + p->iso_pathname, (unsigned long) p->size, + p->raw_flag ? ", raw sectors file": ""); + if (p->raw_flag) + _write_source_mode2_raw (obj, p->file, p->start_extent); + else + _write_source_mode2_form1 (obj, p->file, p->start_extent); + } + + /* blank unalloced tracks */ + while ((n = _vcd_salloc (obj->iso_bitmap, SECTOR_NIL, 1)) < obj->iso_size) + _write_m2_image_sector (obj, zero, n, 0, 0, SM_DATA, 0); + + return 0; +} + + +long +vcd_obj_get_image_size (VcdObj *obj) +{ + long size_sectors = -1; + + vcd_assert (!obj->in_output); + + if (_cdio_list_length (obj->mpeg_sequence_list) > 0) + { + /* fixme -- make this efficient */ + size_sectors = vcd_obj_begin_output (obj); + vcd_obj_end_output (obj); + } + + return size_sectors; +} + +long +vcd_obj_begin_output (VcdObj *obj) +{ + uint32_t image_size; + + vcd_assert (obj != NULL); + vcd_assert (_cdio_list_length (obj->mpeg_sequence_list) > 0); + + vcd_assert (!obj->in_output); + obj->in_output = true; + + obj->in_track = 1; + obj->sectors_written = 0; + + obj->iso_bitmap = _vcd_salloc_new (); + + obj->dir = _vcd_directory_new (); + + obj->buffer_dict_list = _cdio_list_new (); + + _finalize_vcd_iso_track (obj); + + _update_entry_points (obj); + + image_size = obj->relative_end_extent + obj->iso_size; + + image_size += obj->leadout_pregap; + + if (image_size > CDIO_CD_MAX_SECTORS) + vcd_error ("image too big (%d sectors > %d sectors)", + (unsigned) image_size, (unsigned) CDIO_CD_MAX_SECTORS); + + { + char *_tmp = cdio_lba_to_msf_str (image_size); + + if (image_size > CDIO_CD_74MIN_SECTORS) + vcd_warn ("generated image (%d sectors [%s]) may not fit " + "on 74min CDRs (%d sectors)", + (unsigned) image_size, _tmp, (unsigned) CDIO_CD_74MIN_SECTORS); + + free (_tmp); + } + + return image_size; +} + + +void +vcd_obj_end_output (VcdObj *obj) +{ + vcd_assert (obj != NULL); + + vcd_assert (obj->in_output); + obj->in_output = false; + + _vcd_directory_destroy (obj->dir); + _vcd_salloc_destroy (obj->iso_bitmap); + + _dict_clean (obj); + _cdio_list_free (obj->buffer_dict_list, true); +} + +int +vcd_obj_append_pbc_node (VcdObj *obj, struct _pbc_t *_pbc) +{ + vcd_assert (obj != NULL); + vcd_assert (_pbc != NULL); + + if (!_vcd_obj_has_cap_p (obj, _CAP_PBC)) + { + vcd_error ("PBC not supported for current VCD type"); + return -1; + } + + if (_pbc->item_id && _vcd_pbc_lookup (obj, _pbc->item_id)) + { + vcd_error ("item id (%s) exists already", _pbc->item_id); + return -1; + } + + _cdio_list_append (obj->pbc_list, _pbc); + + return 0; +} + +int +vcd_obj_write_image (VcdObj *obj, VcdImageSink *image_sink, + progress_callback_t callback, void *user_data, + const time_t *create_time) +{ + CdioListNode *node; + + vcd_assert (obj != NULL); + vcd_assert (obj->in_output); + + if (!image_sink) + return -1; + + /* start with meta info */ + + { + CdioList *cue_list; + vcd_cue_t *_cue; + + cue_list = _cdio_list_new (); + + _cdio_list_append (cue_list, (_cue = _vcd_malloc (sizeof (vcd_cue_t)))); + + _cue->lsn = 0; + _cue->type = VCD_CUE_TRACK_START; + + _CDIO_LIST_FOREACH (node, obj->mpeg_sequence_list) + { + mpeg_sequence_t *track = _cdio_list_node_data (node); + CdioListNode *entry_node; + + _cdio_list_append (cue_list, + (_cue = _vcd_malloc (sizeof (vcd_cue_t)))); + + _cue->lsn = track->relative_start_extent + obj->iso_size; + _cue->lsn -= obj->track_pregap; + _cue->type = VCD_CUE_PREGAP_START; + + _cdio_list_append (cue_list, + (_cue = _vcd_malloc (sizeof (vcd_cue_t)))); + + _cue->lsn = track->relative_start_extent + obj->iso_size; + _cue->type = VCD_CUE_TRACK_START; + + _CDIO_LIST_FOREACH (entry_node, track->entry_list) + { + entry_t *_entry = _cdio_list_node_data (entry_node); + + _cdio_list_append (cue_list, + (_cue = _vcd_malloc (sizeof (vcd_cue_t)))); + + _cue->lsn = obj->iso_size; + _cue->lsn += track->relative_start_extent; + _cue->lsn += obj->track_front_margin; + _cue->lsn += _entry->aps.packet_no; + + _cue->type = VCD_CUE_SUBINDEX; + } + } + + /* add last one... */ + + _cdio_list_append (cue_list, (_cue = _vcd_malloc (sizeof (vcd_cue_t)))); + + _cue->lsn = obj->relative_end_extent + obj->iso_size; + + _cue->lsn += obj->leadout_pregap; + + _cue->type = VCD_CUE_END; + + /* send it to image object */ + + vcd_image_sink_set_cuesheet (image_sink, cue_list); + + _cdio_list_free (cue_list, true); + } + + /* and now for the pay load */ + + { + unsigned track; + + vcd_assert (obj != NULL); + vcd_assert (obj->sectors_written == 0); + + vcd_assert (obj->in_output); + + obj->progress_callback = callback; + obj->callback_user_data = user_data; + obj->image_sink = image_sink; + + if (_callback_wrapper (obj, true)) + return 1; + + if (_write_vcd_iso_track (obj, create_time)) + return 1; + + if (obj->update_scan_offsets) + vcd_info ("'update scan offsets' option enabled for the following tracks!"); + + for (track = 0;track < _cdio_list_length (obj->mpeg_sequence_list);track++) + { + obj->in_track++; + + if (_callback_wrapper (obj, true)) + return 1; + + if (_write_sequence (obj, track)) + return 1; + } + + if (obj->leadout_pregap) + { + int n, lastsect = obj->sectors_written; + + vcd_debug ("writting post-gap ('leadout pregap')..."); + + for (n = 0; n < obj->leadout_pregap; n++) + _write_m2_image_sector (obj, zero, lastsect++, 0, 0, SM_FORM2, 0); + } + + if (_callback_wrapper (obj, true)) + return 1; + + obj->image_sink = NULL; + + vcd_image_sink_destroy (image_sink); + + return 0; /* ok */ + } +} + +const char * +vcd_version_string (bool full_text) +{ + if (!full_text) + return ("GNU VCDImager " VERSION " [" HOST_ARCH "]"); + + return ("%s (GNU VCDImager) " VERSION "\n" + "Written by Herbert Valerio Riedel and Rocky Bernstein.\n" + "\n" + "http://www.gnu.org/software/vcdimager/\n" + "\n" + "Copyright (C) 2000-2003 Herbert Valerio Riedel <hvr@gnu.org>\n" + " 2003 Rocky Bernstein <rocky@panix.com>\n" + "\n" + "This is free software; see the source for copying conditions. There is NO\n" + "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); +} + + +/* + * Local variables: + * c-file-style: "gnu" + * tab-width: 8 + * indent-tabs-mode: nil + * End: + */ |