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/*
* scanner.c
* Copyright 2012 John Lindgren
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include "scanner.h"
#include <glib.h> /* for GThreadPool */
#include "i18n.h"
#include "internal.h"
#include "plugins.h"
#include "tuple.h"
#include "vfs.h"
static GThreadPool * pool;
void scanner_run (ScanRequest * r)
{
if (! r->decoder)
r->decoder = file_find_decoder (r->filename, false, r->file, & r->error);
if (! r->decoder)
goto err;
if ((r->flags & (SCAN_TUPLE | SCAN_IMAGE)))
{
if (! (r->ip = load_input_plugin (r->decoder, & r->error)))
goto err;
Tuple * ptuple = (r->flags & SCAN_TUPLE) ? & r->tuple : nullptr;
Index<char> * pimage = (r->flags & SCAN_IMAGE) ? & r->image_data : nullptr;
if (! file_read_tag (r->filename, r->decoder, r->file, ptuple, pimage, & r->error))
goto err;
if ((r->flags & SCAN_IMAGE) && ! r->image_data.len ())
r->image_file = art_search (r->filename);
}
/* rewind/reopen the input file */
if ((r->flags & SCAN_FILE))
open_input_file (r->filename, "r", r->ip, r->file, & r->error);
else
{
err:
/* close file if not needed or if an error occurred */
r->file = VFSFile ();
}
r->callback (r);
}
static void scan_worker (void * data, void *)
{
scanner_run ((ScanRequest *) data);
delete (ScanRequest *) data;
}
void scanner_init ()
{
pool = g_thread_pool_new (scan_worker, nullptr, SCAN_THREADS, false, nullptr);
}
void scanner_request (ScanRequest * request)
{
g_thread_pool_push (pool, request, nullptr);
}
void scanner_cleanup ()
{
g_thread_pool_free (pool, false, true);
}
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