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/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009-2012 Alexey Yakovenko <waker@users.sourceforge.net>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "deadbeef.h"
#include "plugins.h"
void
dsp_preset_free (ddb_dsp_context_t *head) {
while (head) {
ddb_dsp_context_t *next = head->next;
head->plugin->close (head);
head = next;
}
}
int
dsp_preset_load (const char *fname, ddb_dsp_context_t **head) {
if (!head) {
return -1;
}
int err = 1;
FILE *fp = fopen (fname, "rt");
if (!fp) {
return -1;
}
ddb_dsp_context_t *tail = NULL;
char temp[100];
for (;;) {
// plugin {
int err = fscanf (fp, "%100s {\n", temp);
if (err == EOF) {
break;
}
else if (1 != err) {
fprintf (stderr, "error plugin name\n");
goto error;
}
DB_dsp_t *plug = (DB_dsp_t *)plug_get_for_id (temp);
if (!plug) {
fprintf (stderr, "ddb_dsp_preset_load: plugin %s not found. preset will not be loaded\n", temp);
goto error;
}
ddb_dsp_context_t *ctx = plug->open ();
if (!ctx) {
fprintf (stderr, "ddb_dsp_preset_load: failed to open ctxance of plugin %s\n", temp);
goto error;
}
if (tail) {
tail->next = ctx;
tail = ctx;
}
else {
tail = *head = ctx;
}
int n = 0;
for (;;) {
char value[1000];
if (!fgets (temp, sizeof (temp), fp)) {
fprintf (stderr, "unexpected eof while reading plugin params\n");
goto error;
}
if (!strcmp (temp, "}\n")) {
break;
}
else if (1 != sscanf (temp, "\t%1000[^\n]\n", value)) {
fprintf (stderr, "error loading param %d\n", n);
goto error;
}
if (plug->num_params) {
plug->set_param (ctx, n, value);
}
n++;
}
}
err = 0;
error:
if (err) {
fprintf (stderr, "error loading %s\n", fname);
}
if (fp) {
fclose (fp);
}
if (err && *head) {
dsp_preset_free (*head);
*head = NULL;
}
return err ? -1 : 0;
}
int
dsp_preset_save (const char *path, ddb_dsp_context_t *head) {
FILE *fp = fopen (path, "w+t");
if (!fp) {
return -1;
}
ddb_dsp_context_t *ctx = head;
while (ctx) {
fprintf (fp, "%s {\n", ctx->plugin->plugin.id);
if (ctx->plugin->num_params) {
int n = ctx->plugin->num_params ();
int i;
for (i = 0; i < n; i++) {
char v[1000];
ctx->plugin->get_param (ctx, i, v, sizeof (v));
fprintf (fp, "\t%s\n", v);
}
}
fprintf (fp, "}\n");
ctx = ctx->next;
}
fclose (fp);
return 0;
}
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