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/*
* Copyright 2004 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 "nomad.h"
#include "id3.h"
#include "ape.h"
#include "xmalloc.h"
#include "read_wrapper.h"
#include "debug.h"
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
/* ------------------------------------------------------------------------- */
static ssize_t read_func(void *datasource, void *buffer, size_t count)
{
struct input_plugin_data *ip_data = datasource;
return read_wrapper(ip_data, buffer, count);
}
static off_t lseek_func(void *datasource, off_t offset, int whence)
{
struct input_plugin_data *ip_data = datasource;
return lseek(ip_data->fd, offset, whence);
}
static int close_func(void *datasource)
{
struct input_plugin_data *ip_data = datasource;
return close(ip_data->fd);
}
static struct nomad_callbacks callbacks = {
.read = read_func,
.lseek = lseek_func,
.close = close_func
};
/* ------------------------------------------------------------------------- */
static int mad_open(struct input_plugin_data *ip_data)
{
struct nomad *nomad;
struct nomad_info info;
int rc, fast;
fast = 1;
rc = nomad_open_callbacks(&nomad, ip_data, fast, &callbacks);
switch (rc) {
case -NOMAD_ERROR_ERRNO:
return -1;
case -NOMAD_ERROR_FILE_FORMAT:
return -IP_ERROR_FILE_FORMAT;
}
ip_data->private = nomad;
nomad_info(nomad, &info);
/* always 16-bit signed little-endian */
ip_data->sf = sf_rate(info.sample_rate) | sf_channels(info.channels) |
sf_bits(16) | sf_signed(1);
return 0;
}
static int mad_close(struct input_plugin_data *ip_data)
{
struct nomad *nomad;
nomad = ip_data->private;
nomad_close(nomad);
ip_data->fd = -1;
ip_data->private = NULL;
return 0;
}
static int mad_read(struct input_plugin_data *ip_data, char *buffer, int count)
{
struct nomad *nomad;
nomad = ip_data->private;
return nomad_read(nomad, buffer, count);
}
static int mad_seek(struct input_plugin_data *ip_data, double offset)
{
struct nomad *nomad;
nomad = ip_data->private;
return nomad_time_seek(nomad, offset);
}
static int mad_read_comments(struct input_plugin_data *ip_data,
struct keyval **comments)
{
struct id3tag id3;
int fd, rc, save, i;
APETAG(ape);
GROWING_KEYVALS(c);
fd = open(ip_data->filename, O_RDONLY);
if (fd == -1) {
return -1;
}
d_print("filename: %s\n", ip_data->filename);
id3_init(&id3);
rc = id3_read_tags(&id3, fd, ID3_V1 | ID3_V2);
save = errno;
close(fd);
errno = save;
if (rc) {
if (rc == -1) {
d_print("error: %s\n", strerror(errno));
return -1;
}
d_print("corrupted tag?\n");
goto next;
}
for (i = 0; i < NUM_ID3_KEYS; i++) {
char *val = id3_get_comment(&id3, i);
if (val)
comments_add(&c, id3_key_names[i], val);
}
next:
id3_free(&id3);
rc = ape_read_tags(&ape, ip_data->fd, 0);
if (rc < 0)
goto out;
for (i = 0; i < rc; i++) {
char *k, *v;
k = ape_get_comment(&ape, &v);
if (!k)
break;
comments_add(&c, k, v);
free(k);
}
out:
ape_free(&ape);
comments_terminate(&c);
*comments = c.comments;
return 0;
}
static int mad_duration(struct input_plugin_data *ip_data)
{
struct nomad *nomad;
nomad = ip_data->private;
return nomad_time_total(nomad);
}
const struct input_plugin_ops ip_ops = {
.open = mad_open,
.close = mad_close,
.read = mad_read,
.seek = mad_seek,
.read_comments = mad_read_comments,
.duration = mad_duration
};
const char * const ip_extensions[] = { "mp3", "mp2", NULL };
const char * const ip_mime_types[] = {
"audio/mpeg", "audio/x-mp3", "audio/x-mpeg", NULL
};
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