void mpd_put_state(void)
{
struct mpd_status *status;
int len;
unsigned queue_len;
int song_pos, next_song_pos;
status = mpd_run_status(mpd.conn);
if (!status) {
syslog(LOG_ERR, "%s mpd_run_status: %s\n", __func__, mpd_connection_get_error_message(mpd.conn));
mpd.conn_state = MPD_FAILURE;
return;
}
mpd.song_pos = mpd_status_get_song_pos(status);
mpd.next_song_pos = song_pos+1; //TODO: mpd_status_get_next_song_pos(status);
mpd.queue_len = mpd_status_get_queue_length(status);
mpd.volume = mpd_status_get_volume(status);
mpd.state = mpd_status_get_state(status);
mpd.repeat = mpd_status_get_repeat(status);
mpd.single = mpd_status_get_single(status);
mpd.consume = mpd_status_get_consume(status);
mpd.random = mpd_status_get_random(status);
mpd.elapsed_time = mpd_status_get_elapsed_time(status);
mpd.total_time = mpd_status_get_total_time(status);
mpd.song_id = mpd_status_get_song_id(status);
// printf("%d\n", mpd.song_id);
mpd_status_free(status);
}
void
songlist_update_checking(void)
{
struct mpd_status *status;
int queue_len, song_id;
status = getStatus(conn);
queue_len = mpd_status_get_queue_length(status);
song_id = mpd_status_get_song_pos(status) + 1;
mpd_status_free(status);
if(songlist->current != song_id)
{
songlist->current = song_id;
signal_all_wins();
}
if(songlist->update_signal == 1 ||
songlist->total != queue_len)
{
songlist->update_signal = 0;
songlist->total = queue_len;
songlist_update();
signal_all_wins();
}
/** for some unexcepted cases songlist->begin
may be greater than songlist->length;
if this happens, we reset the begin's value */
if(songlist->begin > songlist->length)
songlist->begin = 1;
}
int mpd_put_state(char *buffer, int *current_song_id, unsigned *queue_version)
{
struct mpd_status *status;
int len;
status = mpd_run_status(mpd.conn);
if (!status) {
fprintf(stderr, "MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd.conn));
mpd.conn_state = MPD_FAILURE;
return 0;
}
len = snprintf(buffer, MAX_SIZE,
"{\"type\":\"state\", \"data\":{"
" \"state\":%d, \"volume\":%d, \"repeat\":%d,"
" \"single\":%d, \"consume\":%d, \"random\":%d, "
" \"songpos\": %d, \"elapsedTime\": %d, \"totalTime\":%d, "
" \"currentsongid\": %d"
"}}",
mpd_status_get_state(status),
mpd_status_get_volume(status),
mpd_status_get_repeat(status),
mpd_status_get_single(status),
mpd_status_get_consume(status),
mpd_status_get_random(status),
mpd_status_get_song_pos(status),
mpd_status_get_elapsed_time(status),
mpd_status_get_total_time(status),
mpd_status_get_song_id(status));
*current_song_id = mpd_status_get_song_id(status);
*queue_version = mpd_status_get_queue_version(status);
mpd_status_free(status);
return len;
}
void
songlist_scroll_to_current(void)
{
struct mpd_status *status;
int song_id;
status = getStatus(conn);
song_id = mpd_status_get_song_pos(status) + 1;
mpd_status_free(status);
songlist_scroll_to(song_id);
}
int cmd_insert (int argc, char ** argv, struct mpd_connection *conn )
{
int ret;
struct mpd_status *status = getStatus(conn);
const int from = mpd_status_get_queue_length(status);
ret = cmd_add(argc, argv, conn);
const int cur_pos = mpd_status_get_song_pos(status);
mpd_status_free(status);
if (ret != 0) {
return ret;
}
return mpd_run_move_range(conn, from, from+argc,
cur_pos+1);
}
int mpd_insert (char *song_path )
{
struct mpd_status *status = mpd_run_status(mpd.conn);
if (status == NULL)
return 0;
const unsigned from = mpd_status_get_queue_length(status);
const int cur_pos = mpd_status_get_song_pos(status);
mpd_status_free(status);
if (mpd_run_add(mpd.conn, song_path) != true)
return 0;
/* check the new queue length to find out how many songs were
* appended */
const unsigned end = mpd_get_queue_length();
if (end == from)
return 0;
/* move those songs to right after the current one */
return mpd_run_move_range(mpd.conn, from, end, cur_pos + 1);
}
void
Mpd_status::assign_status(struct mpd_status * status)
{
const struct mpd_audio_format *format;
uint32_t ms;
volume = mpd_status_get_volume(status);
repeat = mpd_status_get_repeat(status);
single = mpd_status_get_single(status);
random = mpd_status_get_random(status);
consume = mpd_status_get_consume(status);
playlist_length = mpd_status_get_queue_length(status);
playlist = mpd_status_get_queue_version(status);
state = mpd_status_get_state(status);
crossfade = mpd_status_get_crossfade(status);
song = mpd_status_get_song_pos(status);
songid = mpd_status_get_song_id(status);
time_total = mpd_status_get_total_time(status);
db_updating = mpd_status_get_update_id(status);
/* Time elapsed */
#if LIBMPDCLIENT_CHECK_VERSION(2, 1, 0)
ms = mpd_status_get_elapsed_ms(status);
#else
ms = mpd_status_get_elapsed(status) * 1000;
#endif
set_time_elapsed_ms(ms);
/* Audio format */
bitrate = mpd_status_get_kbit_rate(status);
format = mpd_status_get_audio_format(status);
if (!format) {
return;
}
samplerate = format->sample_rate;
bits = format->bits;
channels = format->channels;
}
int
cmd_crop(mpd_unused int argc, mpd_unused char **argv, struct mpd_connection *conn)
{
struct mpd_status *status = getStatus( conn );
int length = mpd_status_get_queue_length(status) - 1;
if (length < 0) {
mpd_status_free(status);
DIE( "A playlist longer than 1 song in length is required to crop.\n" );
} else if (mpd_status_get_state(status) == MPD_STATE_PLAY ||
mpd_status_get_state(status) == MPD_STATE_PAUSE) {
if (!mpd_command_list_begin(conn, false))
printErrorAndExit(conn);
while( length >= 0 )
{
if (length != mpd_status_get_song_pos(status)) {
mpd_send_delete(conn, length);
}
length--;
}
mpd_status_free(status);
if (!mpd_command_list_end(conn) || !mpd_response_finish(conn))
printErrorAndExit(conn);
return ( 0 );
} else {
mpd_status_free(status);
DIE( "You need to be playing to crop the playlist\n" );
}
}
void do_status(struct mpd_connection *con, int *current, unsigned int *current_elapsed, unsigned int *current_total, unsigned int *length, unsigned int *version)
{
struct mpd_status *st = mpd_run_status(con);
if (!st)
return;
if (check_error(con, NULL, false))
goto out;
switch (mpd_status_get_state(st)) {
case MPD_STATE_UNKNOWN:
case MPD_STATE_STOP:
if (current)
*current = -1;
if (current_elapsed)
*current_elapsed = 0;
if (current_total)
*current_total = 0;
break;
case MPD_STATE_PLAY:
case MPD_STATE_PAUSE:
if (current)
*current = mpd_status_get_song_pos(st);
if (current_elapsed)
*current_elapsed = mpd_status_get_elapsed_time(st);
if (current_total)
*current_total = mpd_status_get_total_time(st);
break;
}
if (length)
*length = mpd_status_get_queue_length(st);
if (version)
*version = mpd_status_get_queue_version(st);
out:
mpd_status_free(st);
}
int mpd_crop()
{
struct mpd_status *status = mpd_run_status(mpd.conn);
if (status == 0)
return 0;
int length = mpd_status_get_queue_length(status) - 1;
if (length < 0) {
mpd_status_free(status);
syslog(LOG_INFO, "%s: A playlist longer than 1 song in length is required to crop.\n", __func__);
} else if (mpd_status_get_state(status) == MPD_STATE_PLAY ||
mpd_status_get_state(status) == MPD_STATE_PAUSE) {
if (!mpd_command_list_begin(mpd.conn, false)) {
syslog(LOG_ERR, "%s: mpd_command_list_begin failed\n", __func__);
return 0;
}
for (; length >= 0; --length)
if (length != mpd_status_get_song_pos(status))
mpd_send_delete(mpd.conn, length);
mpd_status_free(status);
if (!mpd_command_list_end(mpd.conn) || !mpd_response_finish(mpd.conn)) {
syslog(LOG_ERR, "%s: mpd_command_list_end || mpd_response_finish failed\n", __func__);
return 0;
}
return 0;
} else {
mpd_status_free(status);
syslog(LOG_INFO, "%s: You need to be playing to crop the playlist\n", __func__);
return 0;
}
return 1;
}
void
updatempdstatus(void) {
char statustext[STEXTSIZE];
struct mpd_status *s = NULL;
struct mpd_song *so = NULL;
int s_volume,
s_flagmask,
s_queuelength,
s_songpos,
s_state,
s_songlen,
s_songtime;
int s_time_r, s_time_min, s_time_sec;
const char *artist, *title;
if(mpdcmd_connect() != 0)
return;
s = mpd_run_status(mpdc);
if(s == NULL)
return;
// retrieve status information
if((s_state = mpd_status_get_state(s)) == MPD_STATE_STOP ||
(so = mpd_run_current_song(mpdc)) == NULL)
goto EXIT;
s_volume = mpd_status_get_volume(s);
s_queuelength = mpd_status_get_queue_length(s);
s_songpos = mpd_status_get_song_pos(s);
s_songlen = mpd_status_get_total_time(s);
s_songtime = mpd_status_get_elapsed_time(s);
s_time_r = s_songlen - s_songtime;
s_time_sec = s_time_r % 60;
s_time_min = (s_time_r - s_time_sec) / 60;
if(mpd_status_get_consume(s) == 1)
s_flagmask |= MpdFlag_Consume;
if(mpd_status_get_single(s) == 1)
s_flagmask |= MpdFlag_Single;
if(mpd_status_get_random(s) == 1)
s_flagmask |= MpdFlag_Random;
if(mpd_status_get_repeat(s) == 1)
s_flagmask |= MpdFlag_Repeat;
artist = mpd_song_get_tag(so, MPD_TAG_ARTIST, 0);
title = mpd_song_get_tag(so, MPD_TAG_TITLE, 0);
//%artist - %title (-%total-%elapsed) [$flags] [#%pos/%queuelength]
snprintf(statustext, STEXTSIZE,
"%s - %s (-%d:%02d)",
artist != NULL ? artist : "名無し",
title != NULL ? title : "曲名無し",
s_time_min,
s_time_sec);
strncpy(stext, statustext, STEXTSIZE);
EXIT:;
mpd_song_free(so);
mpd_status_free(s);
return;
}
int main(int argc, char ** argv) {
struct mpd_connection *conn;
conn = mpd_connection_new(NULL, 0, 30000);
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS)
return handle_error(conn);
{
int i;
for(i=0;i<3;i++) {
printf("version[%i]: %i\n",i,
mpd_connection_get_server_version(conn)[i]);
}
}
if(argc==1) {
struct mpd_status * status;
struct mpd_song *song;
const struct mpd_audio_format *audio_format;
mpd_command_list_begin(conn, true);
mpd_send_status(conn);
mpd_send_current_song(conn);
mpd_command_list_end(conn);
status = mpd_recv_status(conn);
if (status == NULL)
return handle_error(conn);
printf("volume: %i\n", mpd_status_get_volume(status));
printf("repeat: %i\n", mpd_status_get_repeat(status));
printf("queue version: %u\n", mpd_status_get_queue_version(status));
printf("queue length: %i\n", mpd_status_get_queue_length(status));
if (mpd_status_get_error(status) != NULL)
printf("error: %s\n", mpd_status_get_error(status));
if (mpd_status_get_state(status) == MPD_STATE_PLAY ||
mpd_status_get_state(status) == MPD_STATE_PAUSE) {
printf("song: %i\n", mpd_status_get_song_pos(status));
printf("elaspedTime: %i\n",mpd_status_get_elapsed_time(status));
printf("elasped_ms: %u\n", mpd_status_get_elapsed_ms(status));
printf("totalTime: %i\n", mpd_status_get_total_time(status));
printf("bitRate: %i\n", mpd_status_get_kbit_rate(status));
}
audio_format = mpd_status_get_audio_format(status);
if (audio_format != NULL) {
printf("sampleRate: %i\n", audio_format->sample_rate);
printf("bits: %i\n", audio_format->bits);
printf("channels: %i\n", audio_format->channels);
}
mpd_status_free(status);
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS)
return handle_error(conn);
mpd_response_next(conn);
while ((song = mpd_recv_song(conn)) != NULL) {
printf("uri: %s\n", mpd_song_get_uri(song));
print_tag(song, MPD_TAG_ARTIST, "artist");
print_tag(song, MPD_TAG_ALBUM, "album");
print_tag(song, MPD_TAG_TITLE, "title");
print_tag(song, MPD_TAG_TRACK, "track");
print_tag(song, MPD_TAG_NAME, "name");
print_tag(song, MPD_TAG_DATE, "date");
if (mpd_song_get_duration(song) > 0) {
printf("time: %u\n", mpd_song_get_duration(song));
}
printf("pos: %u\n", mpd_song_get_pos(song));
mpd_song_free(song);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
}
else if(argc==3 && strcmp(argv[1],"lsinfo")==0) {
struct mpd_entity * entity;
if (!mpd_send_list_meta(conn, argv[2]))
return handle_error(conn);
while ((entity = mpd_recv_entity(conn)) != NULL) {
const struct mpd_song *song;
const struct mpd_directory *dir;
const struct mpd_playlist *pl;
switch (mpd_entity_get_type(entity)) {
case MPD_ENTITY_TYPE_UNKNOWN:
break;
case MPD_ENTITY_TYPE_SONG:
song = mpd_entity_get_song(entity);
printf("uri: %s\n", mpd_song_get_uri(song));
print_tag(song, MPD_TAG_ARTIST, "artist");
print_tag(song, MPD_TAG_ALBUM, "album");
print_tag(song, MPD_TAG_TITLE, "title");
print_tag(song, MPD_TAG_TRACK, "track");
break;
case MPD_ENTITY_TYPE_DIRECTORY:
dir = mpd_entity_get_directory(entity);
printf("directory: %s\n", mpd_directory_get_path(dir));
break;
case MPD_ENTITY_TYPE_PLAYLIST:
pl = mpd_entity_get_playlist(entity);
printf("playlist: %s\n",
mpd_playlist_get_path(pl));
break;
}
mpd_entity_free(entity);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
}
else if(argc==2 && strcmp(argv[1],"artists")==0) {
struct mpd_pair *pair;
if (!mpd_search_db_tags(conn, MPD_TAG_ARTIST) ||
!mpd_search_commit(conn))
return handle_error(conn);
while ((pair = mpd_recv_pair_tag(conn,
MPD_TAG_ARTIST)) != NULL) {
printf("%s\n", pair->value);
mpd_return_pair(conn, pair);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
} else if (argc == 2 && strcmp(argv[1], "playlists") == 0) {
if (!mpd_send_list_playlists(conn))
return handle_error(conn);
struct mpd_playlist *playlist;
while ((playlist = mpd_recv_playlist(conn)) != NULL) {
printf("%s\n",
mpd_playlist_get_path(playlist));
mpd_playlist_free(playlist);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
} else if (argc == 2 && strcmp(argv[1], "idle") == 0) {
enum mpd_idle idle = mpd_run_idle(conn);
if (idle == 0 &&
mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS)
return handle_error(conn);
for (unsigned j = 0;; ++j) {
enum mpd_idle i = 1 << j;
const char *name = mpd_idle_name(i);
if (name == NULL)
break;
if (idle & i)
printf("%s\n", name);
}
} else if (argc == 3 && strcmp(argv[1], "subscribe") == 0) {
/* subscribe to a channel and print all messages */
if (!mpd_run_subscribe(conn, argv[2]))
return handle_error(conn);
while (mpd_run_idle_mask(conn, MPD_IDLE_MESSAGE) != 0) {
if (!mpd_send_read_messages(conn))
return handle_error(conn);
struct mpd_message *msg;
while ((msg = mpd_recv_message(conn)) != NULL) {
printf("%s\n", mpd_message_get_text(msg));
mpd_message_free(msg);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
}
return handle_error(conn);
} else if (argc == 2 && strcmp(argv[1], "channels") == 0) {
/* print a list of channels */
if (!mpd_send_channels(conn))
return handle_error(conn);
struct mpd_pair *pair;
while ((pair = mpd_recv_channel_pair(conn)) != NULL) {
printf("%s\n", pair->value);
mpd_return_pair(conn, pair);
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS ||
!mpd_response_finish(conn))
return handle_error(conn);
} else if (argc == 4 && strcmp(argv[1], "message") == 0) {
/* send a message to a channel */
if (!mpd_run_send_message(conn, argv[2], argv[3]))
return handle_error(conn);
}
mpd_connection_free(conn);
return 0;
}
/* This function update the internal status tracking
* the MPD status. At then end, if the status has changed, a signal is emmited.
*/
void Player::updateStatus()
{
struct mpd_status *statusMpd;
EMSPlayerStatus statusEMS;
/* Get the status structure from MPD */
mpd_send_status(conn);
statusMpd = mpd_recv_status(conn);
if (statusMpd == NULL)
{
qCritical() << "Error while trying to get MPD status";
qCritical() << "Reconnecting...";
connectToMpd(); /* Reconnect */
return;
}
if (mpd_status_get_error(statusMpd) != NULL)
{
qCritical() << "MPD error: " << QString::fromUtf8(mpd_status_get_error(statusMpd));
}
if (!mpd_response_finish(conn))
{
qCritical() << "Error while trying to get MPD status" ;
qCritical() << "Reconnecting...";
connectToMpd();
return;
}
/* Fill the internal state from the answer */
switch (mpd_status_get_state(statusMpd))
{
case MPD_STATE_PAUSE:
statusEMS.state = STATUS_PAUSE;
break;
case MPD_STATE_PLAY:
statusEMS.state = STATUS_PLAY;
break;
case MPD_STATE_STOP:
statusEMS.state = STATUS_STOP;
break;
default:
statusEMS.state = STATUS_UNKNOWN;
break;
}
statusEMS.repeat = mpd_status_get_repeat(statusMpd);
statusEMS.random = mpd_status_get_random(statusMpd);
if (statusEMS.state == STATUS_PLAY || statusEMS.state == STATUS_PAUSE)
{
if (mpd_status_get_queue_length(statusMpd) != (unsigned int)playlist.tracks.size())
{
qCritical() << "Error: the playlist does not have the same size as the one used by MPD!";
/* We should not do this... */
removeAllTracks();
}
statusEMS.posInPlaylist = mpd_status_get_song_pos(statusMpd);
statusEMS.progress = mpd_status_get_elapsed_time(statusMpd);
}
mpd_status_free(statusMpd);
if (statusEMS.posInPlaylist != status.posInPlaylist ||
statusEMS.progress != status.progress ||
statusEMS.random != status.random ||
statusEMS.repeat != status.repeat ||
statusEMS.state != status.state )
{
mutex.lock();
status = statusEMS;
mutex.unlock();
emit statusChanged(statusEMS);
}
}
static void
env_export_status(struct mpd_status *status)
{
char *envstr;
const struct mpd_audio_format *fmt;
envstr = g_strdup_printf("%d", mpd_status_get_volume(status));
g_setenv("MPD_STATUS_VOLUME", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_repeat(status));
g_setenv("MPD_STATUS_REPEAT", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_random(status));
g_setenv("MPD_STATUS_RANDOM", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_single(status));
g_setenv("MPD_STATUS_SINGLE", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_consume(status));
g_setenv("MPD_STATUS_CONSUME", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_queue_length(status));
g_setenv("MPD_STATUS_QUEUE_LENGTH", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_queue_version(status));
g_setenv("MPD_STATUS_QUEUE_VERSION", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_crossfade(status));
g_setenv("MPD_STATUS_CROSSFADE", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_song_pos(status));
g_setenv("MPD_STATUS_SONG_POS", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%d", mpd_status_get_song_id(status));
g_setenv("MPD_STATUS_SONG_ID", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", mpd_status_get_elapsed_time(status));
g_setenv("MPD_STATUS_ELAPSED_TIME", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", mpd_status_get_elapsed_ms(status));
g_setenv("MPD_STATUS_ELAPSED_MS", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", mpd_status_get_total_time(status));
g_setenv("MPD_STATUS_TOTAL_TIME", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", mpd_status_get_kbit_rate(status));
g_setenv("MPD_STATUS_KBIT_RATE", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", mpd_status_get_update_id(status));
g_setenv("MPD_STATUS_UPDATE_ID", envstr, 1);
g_free(envstr);
g_setenv("MPD_STATUS_STATE", env_strstate(mpd_status_get_state(status)), 1);
if ((fmt = mpd_status_get_audio_format(status)) == NULL)
g_setenv("MPD_STATUS_AUDIO_FORMAT", "0", 1);
else {
g_setenv("MPD_STATUS_AUDIO_FORMAT", "1", 1);
envstr = g_strdup_printf("%u", fmt->sample_rate);
g_setenv("MPD_STATUS_AUDIO_FORMAT_SAMPLE_RATE", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", fmt->bits);
g_setenv("MPD_STATUS_AUDIO_FORMAT_BITS", envstr, 1);
g_free(envstr);
envstr = g_strdup_printf("%u", fmt->channels);
g_setenv("MPD_STATUS_AUDIO_FORMAT_CHANNELS", envstr, 1);
g_free(envstr);
}
}
void mpd_query_status(struct mpd_connection *conn)
{
struct mpd_status *status;
struct mpd_song *song;
const struct mpd_audio_format *audio;
if (!conn)
return;
if (!mpd_command_list_begin(conn, true) ||
!mpd_send_status(conn) || !mpd_send_current_song(conn) || !mpd_command_list_end(conn)) {
mpd_printerror("queue_commands");
return;
}
status = mpd_recv_status(conn);
if (status == NULL) {
mpd_printerror("recv_status");
return;
}
if (currentSong != NULL) {
mpd_song_free(currentSong);
currentSong = NULL;
}
if (!mpd_response_next(conn)) {
mpd_printerror("response_next");
return;
}
song = mpd_recv_song(conn);
if (song != NULL) {
currentSong = mpd_song_dup(song);
mpd_song_free(song);
l_elapsedTimeSec = mpd_status_get_elapsed_time(status);
l_totalTimeSec = mpd_status_get_total_time(status);
l_bitRate = mpd_status_get_kbit_rate(status);
} else {
l_elapsedTimeSec = 0;
l_totalTimeSec = 0;
l_bitRate = 0;
}
l_state = mpd_status_get_state(status);
l_repeatEnabled = mpd_status_get_repeat(status);
l_randomEnabled = mpd_status_get_random(status);
l_singleEnabled = mpd_status_get_single(status);
l_consumeEnabled = mpd_status_get_consume(status);
l_volume = mpd_status_get_volume(status);
l_currentSongPos = mpd_status_get_song_pos(status) + 1;
l_playlistLength = mpd_status_get_queue_length(status);
audio = mpd_status_get_audio_format(status);
if (audio) {
l_sampleRate = audio->sample_rate;
l_channels = audio->channels;
} else {
l_sampleRate = 0;
l_channels = 0;
}
if (mpd_status_get_error(status) != NULL)
error("[MPD] query status : %s", charset_from_utf8(mpd_status_get_error(status)));
mpd_status_free(status);
if (!mpd_response_finish(conn)) {
mpd_printerror("response_finish");
return;
}
}
int cmd_del ( int argc, char ** argv, struct mpd_connection *conn )
{
int i,j;
char * s;
char * t;
char * t2;
int range[2];
int songsDeleted = 0;
int plLength = 0;
char * songsToDel;
struct mpd_status *status;
status = getStatus(conn);
plLength = mpd_status_get_queue_length(status);
songsToDel = malloc(plLength);
memset(songsToDel,0,plLength);
for(i=0;i<argc;i++) {
if(argv[i][0]=='#') s = &(argv[i][1]);
else s = argv[i];
range[0] = strtol(s,&t,10);
/* If argument is 0 current song and we're not stopped */
if(range[0] == 0 && strlen(s) == 1 && \
(mpd_status_get_state(status) == MPD_STATE_PLAY ||
mpd_status_get_state(status) == MPD_STATE_PAUSE))
range[0] = mpd_status_get_song_pos(status) + 1;
if(s==t)
DIE("error parsing song numbers from: %s\n",argv[i]);
else if(*t=='-') {
range[1] = strtol(t+1,&t2,10);
if(t+1==t2 || *t2!='\0')
DIE("error parsing range from: %s\n",argv[i]);
}
else if(*t==')' || *t=='\0') range[1] = range[0];
else
DIE("error parsing song numbers from: %s\n",argv[i]);
if(range[0]<=0 || range[1]<=0) {
if (range[0]==range[1])
DIE("song number must be positive: %i\n",range[0]);
else
DIE("song numbers must be positive: %i to %i\n",range[0],range[1]);
}
if(range[1]<range[0])
DIE("song range must be from low to high: %i to %i\n",range[0],range[1]);
if(range[1]>plLength)
DIE("song number does not exist: %i\n",range[1]);
for(j=range[0];j<=range[1];j++) songsToDel[j-1] = 1;
}
if (!mpd_command_list_begin(conn, false))
printErrorAndExit(conn);
for(i=0;i<plLength;i++) {
if(songsToDel[i]) {
mpd_send_delete(conn, i - songsDeleted);
songsDeleted++;
}
}
mpd_status_free(status);
free(songsToDel);
if (!mpd_command_list_end(conn) || !mpd_response_finish(conn))
printErrorAndExit(conn);
return 0;
}
static int lmpdstatus_index(lua_State *L)
{
const char *key;
const struct mpd_audio_format *audio_format;
struct mpd_status **status;
status = luaL_checkudata(L, 1, MPD_STATUS_T);
key = luaL_checkstring(L, 2);
assert(*status != NULL);
if (strncmp(key, "volume", 7) == 0) {
lua_pushinteger(L, mpd_status_get_volume(*status));
return 1;
}
else if (strncmp(key, "repeat", 7) == 0) {
lua_pushinteger(L, mpd_status_get_repeat(*status));
return 1;
}
else if (strncmp(key, "random", 7) == 0) {
lua_pushinteger(L, mpd_status_get_random(*status));
return 1;
}
else if (strncmp(key, "single", 7) == 0) {
lua_pushinteger(L, mpd_status_get_single(*status));
return 1;
}
else if (strncmp(key, "consume", 8) == 0) {
lua_pushinteger(L, mpd_status_get_consume(*status));
return 1;
}
else if (strncmp(key, "queue_length", 16) == 0) {
lua_pushnumber(L, mpd_status_get_queue_length(*status));
return 1;
}
else if (strncmp(key, "queue_version", 17) == 0) {
lua_pushnumber(L, mpd_status_get_queue_version(*status));
return 1;
}
else if (strncmp(key, "state", 6) == 0) {
lua_pushinteger(L, mpd_status_get_state(*status));
return 1;
}
else if (strncmp(key, "crossfade", 10) == 0) {
lua_pushinteger(L, mpd_status_get_crossfade(*status));
return 1;
}
else if (strncmp(key, "song_pos", 5) == 0) {
lua_pushinteger(L, mpd_status_get_song_pos(*status));
return 1;
}
else if (strncmp(key, "song_id", 7) == 0) {
lua_pushinteger(L, mpd_status_get_song_id(*status));
return 1;
}
else if (strncmp(key, "elapsed_time", 13) == 0) {
lua_pushinteger(L, mpd_status_get_elapsed_time(*status));
return 1;
}
else if (strncmp(key, "total_time", 11) == 0) {
lua_pushinteger(L, mpd_status_get_total_time(*status));
return 1;
}
else if (strncmp(key, "kbit_rate", 10) == 0) {
lua_pushinteger(L, mpd_status_get_kbit_rate(*status));
return 1;
}
else if (strncmp(key, "audio_format", 13) == 0) {
audio_format = mpd_status_get_audio_format(*status);
lua_newtable(L);
lua_pushinteger(L, audio_format->sample_rate);
lua_setfield(L, -2, "sample_rate");
lua_pushinteger(L, audio_format->bits);
lua_setfield(L, -2, "bits");
lua_pushinteger(L, audio_format->channels);
lua_setfield(L, -2, "channels");
return 1;
}
else if (strncmp(key, "update_id", 11) == 0) {
lua_pushinteger(L, mpd_status_get_update_id(*status));
return 1;
}
else if (strncmp(key, "error", 6) == 0) {
lua_pushstring(L, mpd_status_get_error(*status));
return 1;
}
else
return luaL_error(L, "Invalid key `%s'", key);
}
/*
* pgmpc_status
*
* Show current song and status.
*/
Datum
pgmpc_status(PG_FUNCTION_ARGS)
{
#define PGMPC_STATUS_COLUMNS 7
Datum values[PGMPC_STATUS_COLUMNS];
bool nulls[PGMPC_STATUS_COLUMNS];
TupleDesc tupdesc;
HeapTuple tuple;
Datum result;
if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE)
elog(ERROR, "return type must be a row type");
pgmpc_init();
/* Initialize the values of return tuple */
MemSet(values, 0, sizeof(values));
MemSet(nulls, true, sizeof(nulls));
/*
* Send all necessary commands at once to avoid unnecessary round
* trips. The following information is obtained in an aync way:
* - current status of server
* - current song run on server
*/
if (!mpd_command_list_begin(mpd_conn, true) ||
!mpd_send_status(mpd_conn) ||
!mpd_send_current_song(mpd_conn) ||
!mpd_command_list_end(mpd_conn))
pgmpc_print_error();
/* Obtain status from server and check it */
mpd_status = mpd_recv_status(mpd_conn);
if (mpd_status == NULL)
pgmpc_print_error();
/* Show current song if any */
if (mpd_status_get_state(mpd_status) == MPD_STATE_PLAY ||
mpd_status_get_state(mpd_status) == MPD_STATE_PAUSE)
{
struct mpd_song *song;
/* There should be a next response, in this case a song */
if (!mpd_response_next(mpd_conn))
pgmpc_print_error();
/* And now get it */
song = mpd_recv_song(mpd_conn);
if (song != NULL)
{
/* Get information about the current song */
const char *title = mpd_song_get_tag(song, MPD_TAG_TITLE, 0);
const char *artist = mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
const char *album = mpd_song_get_tag(song, MPD_TAG_ALBUM, 0);
unsigned int elapsed_time = mpd_status_get_elapsed_time(mpd_status);
unsigned int total_time = mpd_status_get_total_time(mpd_status);
int song_pos = mpd_status_get_song_pos(mpd_status) + 1;
int volume = mpd_status_get_volume(mpd_status);
/* Build tuple using this information */
if (title)
{
nulls[0] = false;
values[0] = CStringGetTextDatum(title);
}
else
nulls[0] = true;
if (artist)
{
nulls[1] = false;
values[1] = CStringGetTextDatum(artist);
}
else
nulls[1] = true;
if (album)
{
nulls[2] = false;
values[2] = CStringGetTextDatum(album);
}
else
nulls[2] = true;
nulls[3] = false;
values[3] = UInt32GetDatum(elapsed_time);
nulls[4] = false;
values[4] = UInt32GetDatum(total_time);
nulls[5] = false;
values[5] = Int32GetDatum(song_pos);
nulls[6] = false;
values[6] = Int32GetDatum(volume);
/* Song data is no more needed */
mpd_song_free(song);
}
if (!mpd_response_finish(mpd_conn))
pgmpc_print_error();
}
/* Cleanup MPD status */
pgmpc_reset();
/* Form result and return it */
tuple = heap_form_tuple(tupdesc, values, nulls);
result = HeapTupleGetDatum(tuple);
PG_RETURN_DATUM(result);
}
void
print_status(struct mpd_connection *conn)
{
if (!mpd_command_list_begin(conn, true) ||
!mpd_send_status(conn) ||
!mpd_send_current_song(conn) ||
!mpd_command_list_end(conn))
printErrorAndExit(conn);
struct mpd_status *status = mpd_recv_status(conn);
if (status == NULL)
printErrorAndExit(conn);
if (mpd_status_get_state(status) == MPD_STATE_PLAY ||
mpd_status_get_state(status) == MPD_STATE_PAUSE) {
if (!mpd_response_next(conn))
printErrorAndExit(conn);
struct mpd_song *song = mpd_recv_song(conn);
if (song != NULL) {
pretty_print_song(song);
printf("\n");
mpd_song_free(song);
}
if (mpd_status_get_state(status) == MPD_STATE_PLAY)
printf("[playing]");
else
printf("[paused] ");
printf(" #%i/%u %3i:%02i/%i:%02i (%u%%)\n",
mpd_status_get_song_pos(status) + 1,
mpd_status_get_queue_length(status),
mpd_status_get_elapsed_time(status) / 60,
mpd_status_get_elapsed_time(status) % 60,
mpd_status_get_total_time(status) / 60,
mpd_status_get_total_time(status) % 60,
elapsed_percent(status));
}
if (mpd_status_get_update_id(status) > 0)
printf("Updating DB (#%u) ...\n",
mpd_status_get_update_id(status));
if (mpd_status_get_volume(status) >= 0)
printf("volume:%3i%c ", mpd_status_get_volume(status), '%');
else {
printf("volume: n/a ");
}
printf("repeat: ");
if (mpd_status_get_repeat(status))
printf("on ");
else printf("off ");
printf("random: ");
if (mpd_status_get_random(status))
printf("on ");
else printf("off ");
printf("single: ");
if (mpd_status_get_single(status))
printf("on ");
else printf("off ");
printf("consume: ");
if (mpd_status_get_consume(status))
printf("on \n");
else printf("off\n");
if (mpd_status_get_error(status) != NULL)
printf("ERROR: %s\n",
charset_from_utf8(mpd_status_get_error(status)));
mpd_status_free(status);
if (!mpd_response_finish(conn))
printErrorAndExit(conn);
}