int mpd_status_update(MpdObj *mi) { ChangedStatusType what_changed=0; if(!mpd_check_connected(mi)) { debug_printf(DEBUG_INFO,"not connected\n"); return MPD_NOT_CONNECTED; } if(mpd_lock_conn(mi)) { debug_printf(DEBUG_ERROR,"lock failed\n"); return MPD_LOCK_FAILED; } if(mi->status != NULL) { mpd_freeStatus(mi->status); mi->status = NULL; } mpd_sendStatusCommand(mi->connection); mi->status = mpd_getStatus(mi->connection); if(mi->status == NULL) { debug_printf(DEBUG_ERROR,"Failed to grab status from mpd\n"); mpd_unlock_conn(mi); return MPD_STATUS_FAILED; } if(mpd_unlock_conn(mi)) { debug_printf(DEBUG_ERROR, "Failed to unlock"); return MPD_LOCK_FAILED; } /* * check for changes */ /* first save the old status */ memcpy(&(mi->OldState), &(mi->CurrentState), sizeof(MpdServerState)); /* playlist change */ if(mi->CurrentState.playlistid != mi->status->playlist) { /* print debug message */ debug_printf(DEBUG_INFO, "Playlist has changed!"); /* We can't trust the current song anymore. so we remove it */ /* tags might have been updated */ if(mi->CurrentSong != NULL) { mpd_freeSong(mi->CurrentSong); mi->CurrentSong = NULL; } /* set MPD_CST_PLAYLIST to be changed */ what_changed |= MPD_CST_PLAYLIST; if(mi->CurrentState.playlistLength == mi->status->playlistLength) { // what_changed |= MPD_CST_SONGID; } /* save new id */ mi->CurrentState.playlistid = mi->status->playlist; } if(mi->CurrentState.storedplaylistid != mi->status->storedplaylist) { /* set MPD_CST_QUEUE to be changed */ what_changed |= MPD_CST_STORED_PLAYLIST; /* save new id */ mi->CurrentState.storedplaylistid = mi->status->storedplaylist; } /* state change */ if(mi->CurrentState.state != mi->status->state) { what_changed |= MPD_CST_STATE; mi->CurrentState.state = mi->status->state; } if(mi->CurrentState.songid != mi->status->songid) { /* print debug message */ debug_printf(DEBUG_INFO, "Songid has changed %i %i!", mi->OldState.songid, mi->status->songid); what_changed |= MPD_CST_SONGID; /* save new songid */ mi->CurrentState.songid = mi->status->songid; } if(mi->CurrentState.songpos != mi->status->song) { /* print debug message */ debug_printf(DEBUG_INFO, "Songpos has changed %i %i!", mi->OldState.songpos, mi->status->song); what_changed |= MPD_CST_SONGPOS; /* save new songid */ mi->CurrentState.songpos = mi->status->song; } if(mi->CurrentState.nextsongid != mi->status->nextsongid || mi->CurrentState.nextsongpos != mi->status->nextsong) { what_changed |= MPD_CST_NEXTSONG; /* save new songid */ mi->CurrentState.nextsongpos = mi->status->nextsong; mi->CurrentState.nextsongid = mi->status->nextsongid; } if(mi->CurrentState.single != mi->status->single) { what_changed |= MPD_CST_SINGLE_MODE; mi->CurrentState.single = mi->status->single; } if(mi->CurrentState.consume != mi->status->consume) { what_changed |= MPD_CST_CONSUME_MODE; mi->CurrentState.consume = mi->status->consume; } if(mi->CurrentState.repeat != mi->status->repeat) { what_changed |= MPD_CST_REPEAT; mi->CurrentState.repeat = mi->status->repeat; } if(mi->CurrentState.random != mi->status->random) { what_changed |= MPD_CST_RANDOM; mi->CurrentState.random = mi->status->random; } if(mi->CurrentState.volume != mi->status->volume) { what_changed |= MPD_CST_VOLUME; mi->CurrentState.volume = mi->status->volume; } if(mi->CurrentState.xfade != mi->status->crossfade) { what_changed |= MPD_CST_CROSSFADE; mi->CurrentState.xfade = mi->status->crossfade; } if(mi->CurrentState.totaltime != mi->status->totalTime) { what_changed |= MPD_CST_TOTAL_TIME; mi->CurrentState.totaltime = mi->status->totalTime; } if(mi->CurrentState.elapsedtime != mi->status->elapsedTime) { what_changed |= MPD_CST_ELAPSED_TIME; mi->CurrentState.elapsedtime = mi->status->elapsedTime; } /* Check if bitrate changed, happens with vbr encodings. */ if(mi->CurrentState.bitrate != mi->status->bitRate) { what_changed |= MPD_CST_BITRATE; mi->CurrentState.bitrate = mi->status->bitRate; } /* The following 3 probly only happen on a song change, or is it possible in one song/stream? */ /* Check if the sample rate changed */ if(mi->CurrentState.samplerate != mi->status->sampleRate) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.samplerate = mi->status->sampleRate; } /* check if the sampling depth changed */ if(mi->CurrentState.bits != mi->status->bits) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.bits = mi->status->bits; } /* Check if the amount of audio channels changed */ if(mi->CurrentState.channels != mi->status->channels) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.channels = mi->status->channels; } if(mi->status->error) { what_changed |= MPD_CST_SERVER_ERROR; strcpy(mi->CurrentState.error,mi->status->error); mpd_sendClearErrorCommand(mi->connection); mpd_finishCommand(mi->connection); } else { mi->CurrentState.error[0] ='\0'; } /* Check if the updating changed, * If it stopped, also update the stats for the new db-time. */ if(mi->CurrentState.updatingDb != mi->status->updatingDb ) { what_changed |= MPD_CST_UPDATING; if(!mi->status->updatingDb) { mpd_stats_update_real(mi, &what_changed); } mi->CurrentState.updatingDb = mi->status->updatingDb; } mi->CurrentState.playlistLength = mi->status->playlistLength; /* Detect changed outputs */ if(!mi->has_idle) { if(mi->num_outputs >0 ) { mpd_OutputEntity *output = NULL; mpd_sendOutputsCommand(mi->connection); while (( output = mpd_getNextOutput(mi->connection)) != NULL) { if(mi->num_outputs < output->id) { mi->num_outputs++; mi->output_states = realloc(mi->output_states,mi->num_outputs*sizeof(int)); mi->output_states[mi->num_outputs] = output->enabled; what_changed |= MPD_CST_OUTPUT; } if(mi->output_states[output->id] != output->enabled) { mi->output_states[output->id] = output->enabled; what_changed |= MPD_CST_OUTPUT; } mpd_freeOutputElement(output); } mpd_finishCommand(mi->connection); } else { /* if no outputs, lets fetch them */ mpd_server_update_outputs(mi); if(mi->num_outputs == 0) { assert("No outputs defined? that cannot be\n"); } what_changed |= MPD_CST_OUTPUT; } }else { char *name; int update_stats = 0; mpd_sendGetEventsCommand(mi->connection); while((name = mpd_getNextEvent(mi->connection))){ if(strcmp(name, "output") == 0){ what_changed |= MPD_CST_OUTPUT; }else if (strcmp(name, "database") == 0) { if((what_changed&MPD_CST_DATABASE) == 0) { update_stats = 1; } what_changed |= MPD_CST_DATABASE; }else if (strcmp(name, "stored_playlist")==0) { what_changed |= MPD_CST_STORED_PLAYLIST; }else if (strcmp(name, "tag") == 0) { what_changed |= MPD_CST_PLAYLIST; }else if (strcmp (name, "sticker") == 0) { what_changed |= MPD_CST_STICKER; } free(name); } mpd_finishCommand(mi->connection); if(update_stats) { mpd_stats_update_real(mi, &what_changed); } } /* Run the callback */ if((mi->the_status_changed_callback != NULL) && what_changed) { mi->the_status_changed_callback( mi, what_changed, mi->the_status_changed_signal_userdata ); } /* We could have lost connection again during signal handling... so before we return check again if we are connected */ if(!mpd_check_connected(mi)) { return MPD_NOT_CONNECTED; } return MPD_OK; }
int mpd_stats_update(MpdObj *mi) { return mpd_stats_update_real(mi, NULL); }
int mpd_status_update(MpdObj *mi) { ChangedStatusType what_changed=0; if(!mpd_check_connected(mi)) { debug_printf(DEBUG_INFO,"Where not connected\n"); return MPD_NOT_CONNECTED; } if(mpd_lock_conn(mi)) { debug_printf(DEBUG_ERROR,"lock failed\n"); return MPD_LOCK_FAILED; } if(mi->status != NULL) { mpd_freeStatus(mi->status); mi->status = NULL; } mpd_sendStatusCommand(mi->connection); mi->status = mpd_getStatus(mi->connection); if(mi->status == NULL) { debug_printf(DEBUG_ERROR,"Failed to grab status from mpd\n"); mpd_unlock_conn(mi); return MPD_STATUS_FAILED; } if(mpd_unlock_conn(mi)) { debug_printf(DEBUG_ERROR, "Failed to unlock"); return MPD_LOCK_FAILED; } /* * check for changes */ /* first save the old status */ memcpy(&(mi->OldState), &(mi->CurrentState), sizeof(MpdServerState)); /* playlist change */ if(mi->CurrentState.playlistid != mi->status->playlist) { /* print debug message */ debug_printf(DEBUG_INFO, "Playlist has changed!"); /* We can't trust the current song anymore. so we remove it */ /* tags might have been updated */ if(mi->CurrentSong != NULL) { mpd_freeSong(mi->CurrentSong); mi->CurrentSong = NULL; } /* set MPD_CST_PLAYLIST to be changed */ what_changed |= MPD_CST_PLAYLIST; /* save new id */ mi->CurrentState.playlistid = mi->status->playlist; } /* state change */ if(mi->CurrentState.state != mi->status->state) { what_changed |= MPD_CST_STATE; mi->CurrentState.state = mi->status->state; } if(mi->CurrentState.songid != mi->status->songid) { /* print debug message */ debug_printf(DEBUG_INFO, "Song has changed %i %i!", mi->OldState.songid, mi->status->songid); what_changed |= MPD_CST_SONGID; /* save new songid */ mi->CurrentState.songid = mi->status->songid; } if(mi->CurrentState.songpos != mi->status->song) { /* print debug message */ debug_printf(DEBUG_INFO, "Song has changed %i %i!", mi->OldState.songpos, mi->status->song); what_changed |= MPD_CST_SONGPOS; /* save new songid */ mi->CurrentState.songpos = mi->status->song; } if(mi->CurrentState.repeat != mi->status->repeat) { what_changed |= MPD_CST_REPEAT; mi->CurrentState.repeat = mi->status->repeat; } if(mi->CurrentState.random != mi->status->random) { what_changed |= MPD_CST_RANDOM; mi->CurrentState.random = mi->status->random; } if(mi->CurrentState.volume != mi->status->volume) { what_changed |= MPD_CST_VOLUME; mi->CurrentState.volume = mi->status->volume; } if(mi->CurrentState.xfade != mi->status->crossfade) { what_changed |= MPD_CST_CROSSFADE; mi->CurrentState.xfade = mi->status->crossfade; } if(mi->CurrentState.totaltime != mi->status->totalTime) { what_changed |= MPD_CST_TOTAL_TIME; mi->CurrentState.totaltime = mi->status->totalTime; } if(mi->CurrentState.elapsedtime != mi->status->elapsedTime) { what_changed |= MPD_CST_ELAPSED_TIME; mi->CurrentState.elapsedtime = mi->status->elapsedTime; } /* Check if bitrate changed, happens with vbr encodings. */ if(mi->CurrentState.bitrate != mi->status->bitRate) { what_changed |= MPD_CST_BITRATE; mi->CurrentState.bitrate = mi->status->bitRate; } /* The following 3 probly only happen on a song change, or is it possible in one song/stream? */ /* Check if the sample rate changed */ if(mi->CurrentState.samplerate != mi->status->sampleRate) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.samplerate = mi->status->sampleRate; } /* check if the sampling depth changed */ if(mi->CurrentState.bits != mi->status->bits) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.bits = mi->status->bits; } /* Check if the amount of audio channels changed */ if(mi->CurrentState.channels != mi->status->channels) { what_changed |= MPD_CST_AUDIOFORMAT; mi->CurrentState.channels = mi->status->channels; } /* Check if the updating changed, * If it stopped, also update the stats for the new db-time. */ if(mi->CurrentState.updatingDb != mi->status->updatingDb ) { what_changed |= MPD_CST_UPDATING; if(!mi->status->updatingDb) { mpd_stats_update_real(mi, &what_changed); } mi->CurrentState.updatingDb = mi->status->updatingDb; } /* Run the callback */ if((mi->the_status_changed_callback != NULL) && what_changed) { mi->the_status_changed_callback( mi, what_changed, mi->the_status_changed_signal_userdata ); } /* We could have lost connection again during signal handling... so before we return check again if we are connected */ if(!mpd_check_connected(mi)) { return MPD_NOT_CONNECTED; } return MPD_OK; }