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/*
* Copyright 2005 Timo Hirvonen
*
* 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.
*/
#include "ip.h"
#include "file.h"
#include "xmalloc.h"
#include <modplug.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
struct mod_private {
ModPlugFile *file;
};
static int mod_open(struct input_plugin_data *ip_data)
{
struct mod_private *priv;
char *contents;
int size, rc;
ModPlugFile *file;
ModPlug_Settings settings;
size = lseek(ip_data->fd, 0, SEEK_END);
if (size == -1)
return -IP_ERROR_ERRNO;
if (lseek(ip_data->fd, 0, SEEK_SET) == -1)
return -IP_ERROR_ERRNO;
contents = xnew(char, size);
rc = read_all(ip_data->fd, contents, size);
if (rc == -1) {
int save = errno;
free(contents);
errno = save;
return -IP_ERROR_ERRNO;
}
if (rc != size) {
free(contents);
return -IP_ERROR_FILE_FORMAT;
}
errno = 0;
file = ModPlug_Load(contents, size);
if (file == NULL) {
int save = errno;
free(contents);
errno = save;
if (errno == 0) {
/* libmodplug never sets errno? */
return -IP_ERROR_FILE_FORMAT;
}
return -IP_ERROR_ERRNO;
}
free(contents);
priv = xnew(struct mod_private, 1);
priv->file = file;
ModPlug_GetSettings(&settings);
settings.mFlags = MODPLUG_ENABLE_OVERSAMPLING | MODPLUG_ENABLE_NOISE_REDUCTION;
/* settings.mFlags |= MODPLUG_ENABLE_REVERB; */
/* settings.mFlags |= MODPLUG_ENABLE_MEGABASS; */
/* settings.mFlags |= MODPLUG_ENABLE_SURROUND; */
settings.mChannels = 2;
settings.mBits = 16;
settings.mFrequency = 44100;
settings.mResamplingMode = MODPLUG_RESAMPLE_FIR;
ModPlug_SetSettings(&settings);
ip_data->private = priv;
ip_data->sf = sf_bits(16) | sf_rate(44100) | sf_channels(2) | sf_signed(1);
return 0;
}
static int mod_close(struct input_plugin_data *ip_data)
{
struct mod_private *priv = ip_data->private;
ModPlug_Unload(priv->file);
free(priv);
ip_data->private = NULL;
return 0;
}
static int mod_read(struct input_plugin_data *ip_data, char *buffer, int count)
{
struct mod_private *priv = ip_data->private;
int rc;
errno = 0;
rc = ModPlug_Read(priv->file, buffer, count);
if (rc < 0) {
if (errno == 0)
return -IP_ERROR_INTERNAL;
return -IP_ERROR_ERRNO;
}
return rc;
}
static int mod_seek(struct input_plugin_data *ip_data, double offset)
{
struct mod_private *priv = ip_data->private;
int ms = (int)(offset * 1000.0 + 0.5);
/* void */
ModPlug_Seek(priv->file, ms);
return 0;
}
static int mod_read_comments(struct input_plugin_data *ip_data, struct keyval **comments)
{
struct mod_private *priv = ip_data->private;
struct keyval *c;
const char *name;
c = xnew0(struct keyval, 2);
name = ModPlug_GetName(priv->file);
if (name != NULL && *name != 0) {
c[0].key = xstrdup("title");
c[0].val = xstrdup(name);
}
*comments = c;
return 0;
}
static int mod_duration(struct input_plugin_data *ip_data)
{
struct mod_private *priv = ip_data->private;
return (ModPlug_GetLength(priv->file) + 500) / 1000;
}
const struct input_plugin_ops ip_ops = {
.open = mod_open,
.close = mod_close,
.read = mod_read,
.seek = mod_seek,
.read_comments = mod_read_comments,
.duration = mod_duration
};
const char * const ip_extensions[] = {
"mod", "s3m", "xm", "it", "669", "amf", "ams", "dbm", "dmf", "dsm",
"far", "mdl", "med", "mtm", "okt", "ptm", "stm", "ult", "umx", "mt2",
"psm", "mdz", "s3z", "xmz", "itz", "mdr", "s3r", "xmr", "itr", "mdgz",
"s3gz", "xmgz", "itgz", NULL
};
const char * const ip_mime_types[] = { NULL };
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