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/*
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Calf Box, an open source musical instrument.
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Copyright (C) 2010-2013 Krzysztof Foltman
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CBOX_TARFILE_H
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#define CBOX_TARFILE_H
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#include <glib.h>
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#include <stdint.h>
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#include <sndfile.h>
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struct cbox_taritem
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{
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gchar *filename;
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gchar *filename_nc;
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uint64_t offset;
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uint64_t size;
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int refs;
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};
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struct cbox_tarfile
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{
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int fd;
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int refs;
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GHashTable *items_byname;
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GHashTable *items_byname_nc;
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char *file_pathname; //full path to the .tar file with filename.ext
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};
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struct cbox_tarpool
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{
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GHashTable *files;
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};
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struct cbox_tarfile_sndstream
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{
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struct cbox_tarfile *file;
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struct cbox_taritem *item;
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uint64_t filepos;
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};
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extern struct SF_VIRTUAL_IO cbox_taritem_virtual_io;
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extern struct cbox_tarfile *cbox_tarfile_open(const char *pathname, GError **error);
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extern struct cbox_taritem *cbox_tarfile_get_item_by_name(struct cbox_tarfile *tarfile, const char *item_filename, gboolean ignore_case);
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extern int cbox_tarfile_openitem(struct cbox_tarfile *tarfile, struct cbox_taritem *item);
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extern void cbox_tarfile_closeitem(struct cbox_tarfile *tarfile, struct cbox_taritem *item, int fd);
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extern SNDFILE *cbox_tarfile_opensndfile(struct cbox_tarfile *tarfile, struct cbox_taritem *item, struct cbox_tarfile_sndstream *stream, SF_INFO *sfinfo);
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// No need to close - it reuses the cbox_tarfile file descriptor
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extern void cbox_tarfile_destroy(struct cbox_tarfile *tf);
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extern struct cbox_tarpool *cbox_tarpool_new(void);
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extern struct cbox_tarfile *cbox_tarpool_get_tarfile(struct cbox_tarpool *pool, const char *name, GError **error);
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extern void cbox_tarpool_release_tarfile(struct cbox_tarpool *pool, struct cbox_tarfile *file);
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extern void cbox_tarpool_destroy(struct cbox_tarpool *pool);
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#endif
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