/**
* Returns the database. If this function returns false, this has not
* succeeded, and the caller should create the database after the
* process has been daemonized.
*/
static bool
glue_db_init_and_load(void)
{
const struct config_param *path = config_get_param(CONF_DB_FILE);
GError *error = NULL;
bool ret;
if (!mapper_has_music_directory()) {
if (path != NULL)
g_message("Found " CONF_DB_FILE " setting without "
CONF_MUSIC_DIR " - disabling database");
db_init(NULL, NULL);
return true;
}
if (path == NULL)
MPD_ERROR(CONF_DB_FILE " setting missing");
if (!db_init(path, &error))
MPD_ERROR("%s", error->message);
ret = db_load(&error);
if (!ret)
MPD_ERROR("%s", error->message);
/* run database update after daemonization? */
return db_exists();
}
static void redirect_logs(int fd)
{
assert(fd >= 0);
if (dup2(fd, STDOUT_FILENO) < 0)
MPD_ERROR("problems dup2 stdout : %s\n", strerror(errno));
if (dup2(fd, STDERR_FILENO) < 0)
MPD_ERROR("problems dup2 stderr : %s\n", strerror(errno));
}
void replay_gain_global_init(void)
{
const struct config_param *param = config_get_param(CONF_REPLAYGAIN);
if (param != NULL && !replay_gain_set_mode_string(param->value)) {
MPD_ERROR("replaygain value \"%s\" at line %i is invalid\n",
param->value, param->line);
}
param = config_get_param(CONF_REPLAYGAIN_PREAMP);
if (param) {
char *test;
float f = strtod(param->value, &test);
if (*test != '\0') {
MPD_ERROR("Replaygain preamp \"%s\" is not a number at "
"line %i\n", param->value, param->line);
}
if (f < -15 || f > 15) {
MPD_ERROR("Replaygain preamp \"%s\" is not between -15 and"
"15 at line %i\n", param->value, param->line);
}
replay_gain_preamp = pow(10, f / 20.0);
}
param = config_get_param(CONF_REPLAYGAIN_MISSING_PREAMP);
if (param) {
char *test;
float f = strtod(param->value, &test);
if (*test != '\0') {
MPD_ERROR("Replaygain missing preamp \"%s\" is not a number at "
"line %i\n", param->value, param->line);
}
if (f < -15 || f > 15) {
MPD_ERROR("Replaygain missing preamp \"%s\" is not between -15 and"
"15 at line %i\n", param->value, param->line);
}
replay_gain_missing_preamp = pow(10, f / 20.0);
}
replay_gain_limit = config_get_bool(CONF_REPLAYGAIN_LIMIT, DEFAULT_REPLAYGAIN_LIMIT);
}
/**
* Configure and initialize the sticker subsystem.
*/
static void
glue_sticker_init(void)
{
#ifdef ENABLE_SQLITE
GError *error = NULL;
char *sticker_file = config_dup_path(CONF_STICKER_FILE, &error);
if (sticker_file == NULL && error != NULL)
MPD_ERROR("%s", error->message);
if (!sticker_global_init(sticker_file, &error))
MPD_ERROR("%s", error->message);
g_free(sticker_file);
#endif
}
static size_t
vorbis_encoder_read(struct encoder *_encoder, void *_dest, size_t length)
{
struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder;
ogg_page page;
int ret;
unsigned char *dest = _dest;
size_t nbytes;
ret = ogg_stream_pageout(&encoder->os, &page);
if (ret == 0 && encoder->flush) {
encoder->flush = false;
ret = ogg_stream_flush(&encoder->os, &page);
}
if (ret == 0)
return 0;
assert(page.header_len > 0 || page.body_len > 0);
nbytes = (size_t)page.header_len + (size_t)page.body_len;
if (nbytes > length)
/* XXX better error handling */
MPD_ERROR("buffer too small");
memcpy(dest, page.header, page.header_len);
memcpy(dest + page.header_len, page.body, page.body_len);
return nbytes;
}
static gboolean
main_notify_event(G_GNUC_UNUSED GIOChannel *source,
G_GNUC_UNUSED GIOCondition condition,
G_GNUC_UNUSED gpointer data)
{
char buffer[256];
gsize bytes_read;
GError *error = NULL;
GIOStatus status = g_io_channel_read_chars(event_channel,
buffer, sizeof(buffer),
&bytes_read, &error);
if (status == G_IO_STATUS_ERROR)
MPD_ERROR("error reading from pipe: %s", error->message);
bool events[PIPE_EVENT_MAX];
g_mutex_lock(event_pipe_mutex);
memcpy(events, pipe_events, sizeof(events));
memset(pipe_events, 0, sizeof(pipe_events));
g_mutex_unlock(event_pipe_mutex);
for (unsigned i = 0; i < PIPE_EVENT_MAX; ++i)
if (events[i])
/* invoke the event handler */
event_pipe_invoke(i);
return true;
}
static unsigned parsePermissions(const char *string)
{
unsigned permission = 0;
gchar **tokens;
if (!string)
return 0;
tokens = g_strsplit(string, PERMISSION_SEPERATOR, 0);
for (unsigned i = 0; tokens[i] != NULL; ++i) {
char *temp = tokens[i];
if (strcmp(temp, PERMISSION_READ_STRING) == 0) {
permission |= PERMISSION_READ;
} else if (strcmp(temp, PERMISSION_ADD_STRING) == 0) {
permission |= PERMISSION_ADD;
} else if (strcmp(temp, PERMISSION_CONTROL_STRING) == 0) {
permission |= PERMISSION_CONTROL;
} else if (strcmp(temp, PERMISSION_ADMIN_STRING) == 0) {
permission |= PERMISSION_ADMIN;
} else {
MPD_ERROR("unknown permission \"%s\"", temp);
}
}
g_strfreev(tokens);
return permission;
}
static gboolean
mpd_inotify_in_event(G_GNUC_UNUSED GIOChannel *_source,
G_GNUC_UNUSED GIOCondition condition,
gpointer data)
{
struct mpd_inotify_source *source = data;
void *dest;
size_t length;
ssize_t nbytes;
const struct inotify_event *event;
dest = fifo_buffer_write(source->buffer, &length);
if (dest == NULL)
MPD_ERROR("buffer full");
nbytes = read(source->fd, dest, length);
if (nbytes < 0)
MPD_ERROR("failed to read from inotify: %s",
g_strerror(errno));
if (nbytes == 0)
MPD_ERROR("end of file from inotify");
fifo_buffer_append(source->buffer, nbytes);
while (true) {
const char *name;
event = fifo_buffer_read(source->buffer, &length);
if (event == NULL || length < sizeof(*event) ||
length < sizeof(*event) + event->len)
break;
if (event->len > 0 && event->name[event->len - 1] == 0)
name = event->name;
else
name = NULL;
source->callback(event->wd, event->mask, name,
source->callback_ctx);
fifo_buffer_consume(source->buffer,
sizeof(*event) + event->len);
}
return true;
}
void audio_output_thread_start(struct audio_output *ao)
{
GError *e = NULL;
assert(ao->command == AO_COMMAND_NONE);
if (!(ao->thread = g_thread_create(audio_output_task, ao, true, &e)))
MPD_ERROR("Failed to spawn output task: %s\n", e->message);
}
/**
* Initialize the decoder and player core, including the music pipe.
*/
static void
initialize_decoder_and_player(void)
{
const struct config_param *param;
char *test;
size_t buffer_size;
float perc;
unsigned buffered_chunks;
unsigned buffered_before_play;
param = config_get_param(CONF_AUDIO_BUFFER_SIZE);
if (param != NULL) {
long tmp = strtol(param->value, &test, 10);
if (*test != '\0' || tmp <= 0 || tmp == LONG_MAX)
MPD_ERROR("buffer size \"%s\" is not a positive integer, "
"line %i\n", param->value, param->line);
buffer_size = tmp;
} else
buffer_size = DEFAULT_BUFFER_SIZE;
buffer_size *= 1024;
buffered_chunks = buffer_size / CHUNK_SIZE;
if (buffered_chunks >= 1 << 15)
MPD_ERROR("buffer size \"%li\" is too big\n", (long)buffer_size);
param = config_get_param(CONF_BUFFER_BEFORE_PLAY);
if (param != NULL) {
perc = strtod(param->value, &test);
if (*test != '%' || perc < 0 || perc > 100) {
MPD_ERROR("buffered before play \"%s\" is not a positive "
"percentage and less than 100 percent, line %i",
param->value, param->line);
}
} else
perc = DEFAULT_BUFFER_BEFORE_PLAY;
buffered_before_play = (perc / 100) * buffered_chunks;
if (buffered_before_play > buffered_chunks)
buffered_before_play = buffered_chunks;
global_player_control = pc_new(buffered_chunks, buffered_before_play);
}
/**
* Windows-only initialization of the Winsock2 library.
*/
static void winsock_init(void)
{
#ifdef WIN32
WSADATA sockinfo;
int retval;
retval = WSAStartup(MAKEWORD(2, 2), &sockinfo);
if(retval != 0)
{
MPD_ERROR("Attempt to open Winsock2 failed; error code %d\n",
retval);
}
if (LOBYTE(sockinfo.wVersion) != 2)
{
MPD_ERROR("We use Winsock2 but your version is either too new "
"or old; please install Winsock 2.x\n");
}
#endif
}
void
decoder_thread_start(struct decoder_control *dc)
{
GError *e = NULL;
assert(dc->thread == NULL);
dc->quit = false;
dc->thread = g_thread_create(decoder_task, dc, true, &e);
if (dc->thread == NULL)
MPD_ERROR("Failed to spawn decoder task: %s", e->message);
}
void tag_lib_init(void)
{
const char *value;
int quit = 0;
char *temp;
char *s;
char *c;
enum tag_type type;
/* parse the "metadata_to_use" config parameter below */
/* ignore comments by default */
ignore_tag_items[TAG_COMMENT] = true;
value = config_get_string(CONF_METADATA_TO_USE, NULL);
if (value == NULL)
return;
memset(ignore_tag_items, true, TAG_NUM_OF_ITEM_TYPES);
if (0 == g_ascii_strcasecmp(value, "none"))
return;
temp = c = s = g_strdup(value);
while (!quit) {
if (*s == ',' || *s == '\0') {
if (*s == '\0')
quit = 1;
*s = '\0';
c = g_strstrip(c);
if (*c == 0)
continue;
type = tag_name_parse_i(c);
if (type == TAG_NUM_OF_ITEM_TYPES)
MPD_ERROR("error parsing metadata item \"%s\"",
c);
ignore_tag_items[type] = false;
s++;
c = s;
}
s++;
}
g_free(temp);
}
static inline GLogLevelFlags
parse_log_level(const char *value, unsigned line)
{
if (0 == strcmp(value, "default"))
return G_LOG_LEVEL_MESSAGE;
if (0 == strcmp(value, "secure"))
return LOG_LEVEL_SECURE;
else if (0 == strcmp(value, "verbose"))
return G_LOG_LEVEL_DEBUG;
else {
MPD_ERROR("unknown log level \"%s\" at line %u\n",
value, line);
return G_LOG_LEVEL_MESSAGE;
}
}
static void
spawn_update_task(const char *path)
{
GError *e = NULL;
assert(g_thread_self() == main_task);
progress = UPDATE_PROGRESS_RUNNING;
modified = false;
update_thr = g_thread_create(update_task, g_strdup(path), TRUE, &e);
if (update_thr == NULL)
MPD_ERROR("Failed to spawn update task: %s", e->message);
if (++update_task_id > update_task_id_max)
update_task_id = 1;
g_debug("spawned thread for update job id %i", update_task_id);
}
static void
path_set_fs_charset(const char *charset)
{
char *test;
assert(charset != NULL);
/* convert a space to ensure that the charset is valid */
test = g_convert(" ", 1, charset, "UTF-8", NULL, NULL, NULL);
if (test == NULL)
MPD_ERROR("invalid filesystem charset: %s", charset);
g_free(test);
g_free(fs_charset);
fs_charset = g_strdup(charset);
g_debug("path_set_fs_charset: fs charset is: %s", fs_charset);
}
void initPermissions(void)
{
char *password;
unsigned permission;
const struct config_param *param;
permission_passwords = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, NULL);
permission_default = PERMISSION_READ | PERMISSION_ADD |
PERMISSION_CONTROL | PERMISSION_ADMIN;
param = config_get_next_param(CONF_PASSWORD, NULL);
if (param) {
permission_default = 0;
do {
const char *separator =
strchr(param->value, PERMISSION_PASSWORD_CHAR);
if (separator == NULL)
MPD_ERROR("\"%c\" not found in password string "
"\"%s\", line %i",
PERMISSION_PASSWORD_CHAR,
param->value, param->line);
password = g_strndup(param->value,
separator - param->value);
permission = parsePermissions(separator + 1);
g_hash_table_replace(permission_passwords,
password,
GINT_TO_POINTER(permission));
} while ((param = config_get_next_param(CONF_PASSWORD, param)));
}
param = config_get_param(CONF_DEFAULT_PERMS);
if (param)
permission_default = parsePermissions(param->value);
}
void event_pipe_init(void)
{
GIOChannel *channel;
int ret;
ret = pipe_cloexec_nonblock(event_pipe);
if (ret < 0)
MPD_ERROR("Couldn't open pipe: %s", strerror(errno));
channel = g_io_channel_new_socket(event_pipe[0]);
g_io_channel_set_encoding(channel, NULL, NULL);
g_io_channel_set_buffered(channel, false);
event_pipe_source_id = g_io_add_watch(channel, G_IO_IN,
main_notify_event, NULL);
event_channel = channel;
event_pipe_mutex = g_mutex_new();
}
void event_pipe_emit(enum pipe_event event)
{
ssize_t w;
assert((unsigned)event < PIPE_EVENT_MAX);
g_mutex_lock(event_pipe_mutex);
if (pipe_events[event]) {
/* already set: don't write */
g_mutex_unlock(event_pipe_mutex);
return;
}
pipe_events[event] = true;
g_mutex_unlock(event_pipe_mutex);
w = write(event_pipe[1], "", 1);
if (w < 0 && errno != EAGAIN && errno != EINTR)
MPD_ERROR("error writing to pipe: %s", strerror(errno));
}
static void WINAPI
service_main(G_GNUC_UNUSED DWORD argc, G_GNUC_UNUSED CHAR *argv[])
{
DWORD error_code;
gchar* error_message;
service_handle =
RegisterServiceCtrlHandlerEx(service_name,
service_dispatcher, NULL);
if (service_handle == 0) {
error_code = GetLastError();
error_message = g_win32_error_message(error_code);
MPD_ERROR("RegisterServiceCtrlHandlerEx() failed: %s",
error_message);
}
service_notify_status(SERVICE_START_PENDING);
mpd_main(service_argc, service_argv);
service_notify_status(SERVICE_STOPPED);
}
int win32_main(int argc, char *argv[])
{
DWORD error_code;
gchar* error_message;
service_argc = argc;
service_argv = argv;
if (StartServiceCtrlDispatcher(service_registry))
return 0; /* run as service successefully */
error_code = GetLastError();
if (error_code == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
/* running as console app */
SetConsoleTitle("Music Player Daemon");
ignore_console_events = TRUE;
SetConsoleCtrlHandler(console_handler, TRUE);
return mpd_main(argc, argv);
}
error_message = g_win32_error_message(error_code);
MPD_ERROR("StartServiceCtrlDispatcher() failed: %s", error_message);
}
static void
x_sigaction(int signum, const struct sigaction *act)
{
if (sigaction(signum, act, NULL) < 0)
MPD_ERROR("sigaction() failed: %s", strerror(errno));
}
static void
decoder_run_song(struct decoder_control *dc,
const struct song *song, const char *uri)
{
struct decoder decoder = {
.dc = dc,
.initial_seek_pending = dc->start_ms > 0,
.initial_seek_running = false,
};
int ret;
decoder.timestamp = 0.0;
decoder.seeking = false;
decoder.song_tag = song->tag != NULL && song_is_file(song)
? tag_dup(song->tag) : NULL;
decoder.stream_tag = NULL;
decoder.decoder_tag = NULL;
decoder.chunk = NULL;
dc->state = DECODE_STATE_START;
decoder_command_finished_locked(dc);
pcm_convert_init(&decoder.conv_state);
ret = song_is_file(song)
? decoder_run_file(&decoder, uri)
: decoder_run_stream(&decoder, uri);
decoder_unlock(dc);
pcm_convert_deinit(&decoder.conv_state);
/* flush the last chunk */
if (decoder.chunk != NULL)
decoder_flush_chunk(&decoder);
if (decoder.song_tag != NULL)
tag_free(decoder.song_tag);
if (decoder.stream_tag != NULL)
tag_free(decoder.stream_tag);
if (decoder.decoder_tag != NULL)
tag_free(decoder.decoder_tag);
decoder_lock(dc);
dc->state = ret ? DECODE_STATE_STOP : DECODE_STATE_ERROR;
}
static void
decoder_run(struct decoder_control *dc)
{
const struct song *song = dc->song;
char *uri;
assert(song != NULL);
if (song_is_file(song))
uri = map_song_fs(song);
else
uri = song_get_uri(song);
if (uri == NULL) {
dc->state = DECODE_STATE_ERROR;
decoder_command_finished_locked(dc);
return;
}
decoder_run_song(dc, song, uri);
g_free(uri);
}
static gpointer
decoder_task(gpointer arg)
{
struct decoder_control *dc = arg;
decoder_lock(dc);
do {
assert(dc->state == DECODE_STATE_STOP ||
dc->state == DECODE_STATE_ERROR);
switch (dc->command) {
case DECODE_COMMAND_START:
dc_mixramp_start(dc, NULL);
dc_mixramp_prev_end(dc, dc->mixramp_end);
dc->mixramp_end = NULL; /* Don't free, it's copied above. */
dc->replay_gain_prev_db = dc->replay_gain_db;
dc->replay_gain_db = 0;
/* fall through */
case DECODE_COMMAND_SEEK:
decoder_run(dc);
break;
case DECODE_COMMAND_STOP:
decoder_command_finished_locked(dc);
break;
case DECODE_COMMAND_NONE:
decoder_wait(dc);
break;
}
} while (dc->command != DECODE_COMMAND_NONE || !dc->quit);
decoder_unlock(dc);
return NULL;
}
void
decoder_thread_start(struct decoder_control *dc)
{
GError *e = NULL;
assert(dc->thread == NULL);
dc->quit = false;
dc->thread = g_thread_create(decoder_task, dc, true, &e);
if (dc->thread == NULL)
MPD_ERROR("Failed to spawn decoder task: %s", e->message);
}
/*
* The main loop of the player thread, during playback. This is
* basically a state machine, which multiplexes data between the
* decoder thread and the output threads.
*/
static void do_play(struct player_control *pc, struct decoder_control *dc)
{
struct player player = {
.pc = pc,
.dc = dc,
.buffering = true,
.decoder_starting = false,
.paused = false,
.queued = true,
.song = NULL,
.xfade = XFADE_UNKNOWN,
.cross_fading = false,
.cross_fade_chunks = 0,
.cross_fade_tag = NULL,
.elapsed_time = 0.0,
};
player_unlock(pc);
player.pipe = music_pipe_new();
player_dc_start(&player, player.pipe);
if (!player_wait_for_decoder(&player)) {
player_dc_stop(&player);
player_command_finished(pc);
music_pipe_free(player.pipe);
event_pipe_emit(PIPE_EVENT_PLAYLIST);
player_lock(pc);
return;
}
player_lock(pc);
pc->state = PLAYER_STATE_PLAY;
player_command_finished_locked(pc);
while (true) {
player_process_command(&player);
if (pc->command == PLAYER_COMMAND_STOP ||
pc->command == PLAYER_COMMAND_EXIT ||
pc->command == PLAYER_COMMAND_CLOSE_AUDIO) {
player_unlock(pc);
audio_output_all_cancel();
break;
}
player_unlock(pc);
if (player.buffering) {
/* buffering at the start of the song - wait
until the buffer is large enough, to
prevent stuttering on slow machines */
if (music_pipe_size(player.pipe) < pc->buffered_before_play &&
!decoder_lock_is_idle(dc)) {
/* not enough decoded buffer space yet */
if (!player.paused &&
audio_format_defined(&player.play_audio_format) &&
audio_output_all_check() < 4 &&
!player_send_silence(&player))
break;
decoder_lock(dc);
/* XXX race condition: check decoder again */
player_wait_decoder(pc, dc);
decoder_unlock(dc);
player_lock(pc);
continue;
} else {
/* buffering is complete */
player.buffering = false;
}
}
if (player.decoder_starting) {
/* wait until the decoder is initialized completely */
if (!player_check_decoder_startup(&player))
break;
player_lock(pc);
continue;
}
#ifndef NDEBUG
/*
music_pipe_check_format(&play_audio_format,
player.next_song_chunk,
&dc->out_audio_format);
*/
#endif
if (decoder_lock_is_idle(dc) && player.queued &&
dc->pipe == player.pipe) {
/* the decoder has finished the current song;
make it decode the next song */
assert(dc->pipe == NULL || dc->pipe == player.pipe);
player_dc_start(&player, music_pipe_new());
}
if (player_dc_at_next_song(&player) &&
player.xfade == XFADE_UNKNOWN &&
!decoder_lock_is_starting(dc)) {
/* enable cross fading in this song? if yes,
calculate how many chunks will be required
for it */
player.cross_fade_chunks =
cross_fade_calc(pc->cross_fade_seconds, dc->total_time,
pc->mixramp_db,
pc->mixramp_delay_seconds,
dc->replay_gain_db,
dc->replay_gain_prev_db,
dc->mixramp_start,
dc->mixramp_prev_end,
&dc->out_audio_format,
&player.play_audio_format,
music_buffer_size(player_buffer) -
pc->buffered_before_play);
if (player.cross_fade_chunks > 0) {
player.xfade = XFADE_ENABLED;
player.cross_fading = false;
} else
/* cross fading is disabled or the
next song is too short */
player.xfade = XFADE_DISABLED;
}
if (player.paused) {
player_lock(pc);
if (pc->command == PLAYER_COMMAND_NONE)
player_wait(pc);
continue;
} else if (!music_pipe_empty(player.pipe)) {
/* at least one music chunk is ready - send it
to the audio output */
play_next_chunk(&player);
} else if (audio_output_all_check() > 0) {
/* not enough data from decoder, but the
output thread is still busy, so it's
okay */
/* XXX synchronize in a better way */
g_usleep(10000);
} else if (player_dc_at_next_song(&player)) {
/* at the beginning of a new song */
if (!player_song_border(&player))
break;
} else if (decoder_lock_is_idle(dc)) {
/* check the size of the pipe again, because
the decoder thread may have added something
since we last checked */
if (music_pipe_empty(player.pipe)) {
/* wait for the hardware to finish
playback */
audio_output_all_drain();
break;
}
} else {
/* the decoder is too busy and hasn't provided
new PCM data in time: send silence (if the
output pipe is empty) */
if (!player_send_silence(&player))
break;
}
player_lock(pc);
}
player_dc_stop(&player);
music_pipe_clear(player.pipe, player_buffer);
music_pipe_free(player.pipe);
if (player.cross_fade_tag != NULL)
tag_free(player.cross_fade_tag);
player_lock(pc);
if (player.queued) {
assert(pc->next_song != NULL);
pc->next_song = NULL;
}
pc->state = PLAYER_STATE_STOP;
player_unlock(pc);
event_pipe_emit(PIPE_EVENT_PLAYLIST);
player_lock(pc);
}
static gpointer
player_task(gpointer arg)
{
struct player_control *pc = arg;
struct decoder_control *dc = dc_new(pc->cond);
decoder_thread_start(dc);
player_buffer = music_buffer_new(pc->buffer_chunks);
player_lock(pc);
while (1) {
switch (pc->command) {
case PLAYER_COMMAND_QUEUE:
assert(pc->next_song != NULL);
do_play(pc, dc);
break;
case PLAYER_COMMAND_STOP:
player_unlock(pc);
audio_output_all_cancel();
player_lock(pc);
/* fall through */
case PLAYER_COMMAND_SEEK:
case PLAYER_COMMAND_PAUSE:
pc->next_song = NULL;
player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_CLOSE_AUDIO:
player_unlock(pc);
audio_output_all_release();
player_lock(pc);
player_command_finished_locked(pc);
#ifndef NDEBUG
/* in the DEBUG build, check for leaked
music_chunk objects by freeing the
music_buffer */
music_buffer_free(player_buffer);
player_buffer = music_buffer_new(pc->buffer_chunks);
#endif
break;
case PLAYER_COMMAND_UPDATE_AUDIO:
player_unlock(pc);
audio_output_all_enable_disable();
player_lock(pc);
player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_EXIT:
player_unlock(pc);
dc_quit(dc);
dc_free(dc);
audio_output_all_close();
music_buffer_free(player_buffer);
player_command_finished(pc);
return NULL;
case PLAYER_COMMAND_CANCEL:
pc->next_song = NULL;
player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_REFRESH:
/* no-op when not playing */
player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_NONE:
player_wait(pc);
break;
}
}
}
void
player_create(struct player_control *pc)
{
assert(pc->thread == NULL);
GError *e = NULL;
pc->thread = g_thread_create(player_task, pc, true, &e);
if (pc->thread == NULL)
MPD_ERROR("Failed to spawn player task: %s", e->message);
}
int mpd_main(int argc, char *argv[])
{
struct options options;
clock_t start;
bool create_db;
GError *error = NULL;
bool success;
daemonize_close_stdin();
#ifdef HAVE_LOCALE_H
/* initialize locale */
setlocale(LC_CTYPE,"");
#endif
g_set_application_name("Music Player Daemon");
/* enable GLib's thread safety code */
g_thread_init(NULL);
io_thread_init();
winsock_init();
idle_init();
tag_pool_init();
config_global_init();
success = parse_cmdline(argc, argv, &options, &error);
if (!success) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
if (!glue_daemonize_init(&options, &error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
stats_global_init();
tag_lib_init();
if (!log_init(options.verbose, options.log_stderr, &error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
success = listen_global_init(&error);
if (!success) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
daemonize_set_user();
main_task = g_thread_self();
main_loop = g_main_loop_new(NULL, FALSE);
main_cond = g_cond_new();
event_pipe_init();
event_pipe_register(PIPE_EVENT_IDLE, idle_event_emitted);
event_pipe_register(PIPE_EVENT_SHUTDOWN, shutdown_event_emitted);
path_global_init();
if (!glue_mapper_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
initPermissions();
playlist_global_init();
spl_global_init();
#ifdef ENABLE_ARCHIVE
archive_plugin_init_all();
#endif
if (!pcm_resample_global_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
decoder_plugin_init_all();
update_global_init();
create_db = !glue_db_init_and_load();
glue_sticker_init();
command_init();
initialize_decoder_and_player();
volume_init();
initAudioConfig();
audio_output_all_init(global_player_control);
client_manager_init();
replay_gain_global_init();
if (!input_stream_global_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
playlist_list_global_init();
daemonize(options.daemon);
setup_log_output(options.log_stderr);
initSigHandlers();
if (!io_thread_start(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
initZeroconf();
player_create(global_player_control);
if (create_db) {
/* the database failed to load: recreate the
database */
unsigned job = update_enqueue(NULL, true);
if (job == 0)
MPD_ERROR("directory update failed");
}
if (!glue_state_file_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return EXIT_FAILURE;
}
success = config_get_bool(CONF_AUTO_UPDATE, false);
#ifdef ENABLE_INOTIFY
if (success && mapper_has_music_directory())
mpd_inotify_init(config_get_unsigned(CONF_AUTO_UPDATE_DEPTH,
G_MAXUINT));
#else
if (success)
g_warning("inotify: auto_update was disabled. enable during compilation phase");
#endif
config_global_check();
/* enable all audio outputs (if not already done by
playlist_state_restore() */
pc_update_audio(global_player_control);
#ifdef WIN32
win32_app_started();
#endif
/* run the main loop */
g_main_loop_run(main_loop);
#ifdef WIN32
win32_app_stopping();
#endif
/* cleanup */
g_main_loop_unref(main_loop);
#ifdef ENABLE_INOTIFY
mpd_inotify_finish();
#endif
state_file_finish(global_player_control);
pc_kill(global_player_control);
finishZeroconf();
client_manager_deinit();
listen_global_finish();
playlist_global_finish();
start = clock();
db_finish();
g_debug("db_finish took %f seconds",
((float)(clock()-start))/CLOCKS_PER_SEC);
#ifdef ENABLE_SQLITE
sticker_global_finish();
#endif
g_cond_free(main_cond);
event_pipe_deinit();
playlist_list_global_finish();
input_stream_global_finish();
audio_output_all_finish();
volume_finish();
mapper_finish();
path_global_finish();
finishPermissions();
pc_free(global_player_control);
command_finish();
update_global_finish();
decoder_plugin_deinit_all();
#ifdef ENABLE_ARCHIVE
archive_plugin_deinit_all();
#endif
config_global_finish();
tag_pool_deinit();
idle_deinit();
stats_global_finish();
io_thread_deinit();
daemonize_finish();
#ifdef WIN32
WSACleanup();
#endif
close_log_files();
return EXIT_SUCCESS;
}