owntone-server/src/inputs/spotify_libspotify.c

135 lines
3.0 KiB
C

/*
* Copyright (C) 2017 Espen Jurgensen
*
* 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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include "input.h"
#include "conffile.h"
#include "logger.h"
#include "spotify.h"
#include "libspotify/libspotify.h"
// How many retries to start playback if resource is still loading
#define LIBSPOTIFY_SETUP_RETRIES 5
// How long to wait between retries in microseconds (500000 = 0.5 seconds)
#define LIBSPOTIFY_SETUP_RETRY_WAIT 500000
static int
init(void)
{
return cfg_getbool(cfg_getsec(cfg, "spotify"), "use_libspotify") ? 0 : -1;
}
static int
setup(struct input_source *source)
{
int i = 0;
int ret;
while((ret = libspotify_playback_setup(source->path)) == LIBSPOTIFY_SETUP_ERROR_IS_LOADING)
{
if (i >= LIBSPOTIFY_SETUP_RETRIES)
break;
DPRINTF(E_DBG, L_SPOTIFY, "Resource still loading (%d)\n", i);
usleep(LIBSPOTIFY_SETUP_RETRY_WAIT);
i++;
}
if (ret < 0)
return -1;
ret = libspotify_playback_play();
if (ret < 0)
return -1;
return 0;
}
static int
stop(struct input_source *source)
{
int ret;
ret = libspotify_playback_stop();
if (ret < 0)
return -1;
return 0;
}
static int
seek(struct input_source *source, int seek_ms)
{
int ret;
ret = libspotify_playback_seek(seek_ms);
if (ret < 0)
return -1;
return ret;
}
struct input_definition input_libspotify =
{
.name = "libspotify",
.type = INPUT_TYPE_LIBSPOTIFY,
.disabled = 0,
.init = init,
.setup = setup,
.stop = stop,
.seek = seek,
};
// No-op for libspotify since it doesn't support logging in with the web api token
static int
login_token(const char *username, const char *token, const char **errmsg)
{
return 0;
}
static void
status_get(struct spotify_status *status)
{
struct spotify_status_info info = { 0 };
libspotify_status_info_get(&info);
status->installed = info.libspotify_installed;
status->logged_in = info.libspotify_logged_in;
status->has_podcast_support = false;
snprintf(status->username, sizeof(status->username), "%s", info.libspotify_user);
}
struct spotify_backend spotify_libspotify =
{
.init = libspotify_init,
.deinit = libspotify_deinit,
.login = libspotify_login,
.login_token = login_token,
.logout = libspotify_logout,
.relogin = libspotify_relogin,
.uri_register = libspotify_uri_register,
.status_get = status_get,
};