355 lines
9.3 KiB
C++
355 lines
9.3 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "PlayerCommands.hxx"
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#include "Request.hxx"
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#include "CommandError.hxx"
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#include "queue/Playlist.hxx"
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#include "PlaylistPrint.hxx"
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#include "client/Client.hxx"
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#include "client/Response.hxx"
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#include "mixer/Volume.hxx"
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#include "Partition.hxx"
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#include "Instance.hxx"
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#include "Idle.hxx"
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#include "AudioFormat.hxx"
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#include "util/StringBuffer.hxx"
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#include "util/ScopeExit.hxx"
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#include "util/Exception.hxx"
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#ifdef ENABLE_DATABASE
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#include "db/update/Service.hxx"
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#endif
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#define COMMAND_STATUS_STATE "state"
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#define COMMAND_STATUS_REPEAT "repeat"
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#define COMMAND_STATUS_SINGLE "single"
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#define COMMAND_STATUS_CONSUME "consume"
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#define COMMAND_STATUS_RANDOM "random"
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#define COMMAND_STATUS_PLAYLIST "playlist"
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#define COMMAND_STATUS_PLAYLIST_LENGTH "playlistlength"
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#define COMMAND_STATUS_SONG "song"
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#define COMMAND_STATUS_SONGID "songid"
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#define COMMAND_STATUS_NEXTSONG "nextsong"
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#define COMMAND_STATUS_NEXTSONGID "nextsongid"
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#define COMMAND_STATUS_TIME "time"
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#define COMMAND_STATUS_BITRATE "bitrate"
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#define COMMAND_STATUS_ERROR "error"
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#define COMMAND_STATUS_CROSSFADE "xfade"
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#define COMMAND_STATUS_MIXRAMPDB "mixrampdb"
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#define COMMAND_STATUS_MIXRAMPDELAY "mixrampdelay"
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#define COMMAND_STATUS_AUDIO "audio"
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#define COMMAND_STATUS_UPDATING_DB "updating_db"
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CommandResult
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handle_play(Client &client, Request args, gcc_unused Response &r)
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{
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int song = args.ParseOptional(0, -1);
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client.GetPartition().PlayPosition(song);
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return CommandResult::OK;
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}
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CommandResult
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handle_playid(Client &client, Request args, gcc_unused Response &r)
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{
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int id = args.ParseOptional(0, -1);
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client.GetPartition().PlayId(id);
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return CommandResult::OK;
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}
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CommandResult
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handle_stop(Client &client, gcc_unused Request args, gcc_unused Response &r)
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{
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client.GetPartition().Stop();
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return CommandResult::OK;
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}
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CommandResult
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handle_currentsong(Client &client, gcc_unused Request args, Response &r)
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{
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playlist_print_current(r, client.GetPlaylist());
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return CommandResult::OK;
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}
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CommandResult
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handle_pause(Client &client, Request args, gcc_unused Response &r)
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{
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auto &pc = client.GetPlayerControl();
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if (!args.empty()) {
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bool pause_flag = args.ParseBool(0);
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pc.LockSetPause(pause_flag);
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} else
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pc.LockPause();
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return CommandResult::OK;
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}
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CommandResult
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handle_status(Client &client, gcc_unused Request args, Response &r)
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{
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auto &pc = client.GetPlayerControl();
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const char *state = nullptr;
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int song;
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const auto player_status = pc.LockGetStatus();
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switch (player_status.state) {
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case PlayerState::STOP:
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state = "stop";
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break;
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case PlayerState::PAUSE:
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state = "pause";
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break;
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case PlayerState::PLAY:
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state = "play";
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break;
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}
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const playlist &playlist = client.GetPlaylist();
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const auto volume = volume_level_get(client.GetPartition().outputs);
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if (volume >= 0)
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r.Format("volume: %i\n", volume);
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r.Format(COMMAND_STATUS_REPEAT ": %i\n"
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COMMAND_STATUS_RANDOM ": %i\n"
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COMMAND_STATUS_SINGLE ": %i\n"
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COMMAND_STATUS_CONSUME ": %i\n"
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COMMAND_STATUS_PLAYLIST ": %li\n"
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COMMAND_STATUS_PLAYLIST_LENGTH ": %i\n"
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COMMAND_STATUS_MIXRAMPDB ": %f\n"
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COMMAND_STATUS_STATE ": %s\n",
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playlist.GetRepeat(),
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playlist.GetRandom(),
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playlist.GetSingle(),
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playlist.GetConsume(),
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(unsigned long)playlist.GetVersion(),
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playlist.GetLength(),
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pc.GetMixRampDb(),
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state);
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if (pc.GetCrossFade() > 0)
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r.Format(COMMAND_STATUS_CROSSFADE ": %i\n",
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int(pc.GetCrossFade() + 0.5));
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if (pc.GetMixRampDelay() > 0)
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r.Format(COMMAND_STATUS_MIXRAMPDELAY ": %f\n",
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pc.GetMixRampDelay());
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song = playlist.GetCurrentPosition();
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if (song >= 0) {
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r.Format(COMMAND_STATUS_SONG ": %i\n"
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COMMAND_STATUS_SONGID ": %u\n",
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song, playlist.PositionToId(song));
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}
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if (player_status.state != PlayerState::STOP) {
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r.Format(COMMAND_STATUS_TIME ": %i:%i\n"
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"elapsed: %1.3f\n"
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COMMAND_STATUS_BITRATE ": %u\n",
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player_status.elapsed_time.RoundS(),
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player_status.total_time.IsNegative()
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? 0u
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: unsigned(player_status.total_time.RoundS()),
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player_status.elapsed_time.ToDoubleS(),
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player_status.bit_rate);
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if (!player_status.total_time.IsNegative())
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r.Format("duration: %1.3f\n",
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player_status.total_time.ToDoubleS());
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if (player_status.audio_format.IsDefined())
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r.Format(COMMAND_STATUS_AUDIO ": %s\n",
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ToString(player_status.audio_format).c_str());
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}
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#ifdef ENABLE_DATABASE
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const UpdateService *update_service = client.GetInstance().update;
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unsigned updateJobId = update_service != nullptr
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? update_service->GetId()
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: 0;
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if (updateJobId != 0) {
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r.Format(COMMAND_STATUS_UPDATING_DB ": %i\n",
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updateJobId);
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}
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#endif
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try {
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pc.LockCheckRethrowError();
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} catch (...) {
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r.Format(COMMAND_STATUS_ERROR ": %s\n",
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GetFullMessage(std::current_exception()).c_str());
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}
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song = playlist.GetNextPosition();
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if (song >= 0)
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r.Format(COMMAND_STATUS_NEXTSONG ": %i\n"
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COMMAND_STATUS_NEXTSONGID ": %u\n",
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song, playlist.PositionToId(song));
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return CommandResult::OK;
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}
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CommandResult
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handle_next(Client &client, gcc_unused Request args, gcc_unused Response &r)
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{
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playlist &playlist = client.GetPlaylist();
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/* single mode is not considered when this is user who
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* wants to change song. */
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const bool single = playlist.queue.single;
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playlist.queue.single = false;
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AtScopeExit(&playlist, single) {
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playlist.queue.single = single;
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};
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client.GetPartition().PlayNext();
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return CommandResult::OK;
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}
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CommandResult
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handle_previous(Client &client, gcc_unused Request args,
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gcc_unused Response &r)
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{
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client.GetPartition().PlayPrevious();
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return CommandResult::OK;
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}
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CommandResult
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handle_repeat(Client &client, Request args, gcc_unused Response &r)
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{
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bool status = args.ParseBool(0);
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client.GetPartition().SetRepeat(status);
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return CommandResult::OK;
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}
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CommandResult
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handle_single(Client &client, Request args, gcc_unused Response &r)
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{
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bool status = args.ParseBool(0);
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client.GetPartition().SetSingle(status);
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return CommandResult::OK;
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}
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CommandResult
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handle_consume(Client &client, Request args, gcc_unused Response &r)
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{
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bool status = args.ParseBool(0);
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client.GetPartition().SetConsume(status);
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return CommandResult::OK;
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}
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CommandResult
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handle_random(Client &client, Request args, gcc_unused Response &r)
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{
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bool status = args.ParseBool(0);
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auto &partition = client.GetPartition();
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partition.SetRandom(status);
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partition.UpdateEffectiveReplayGainMode();
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return CommandResult::OK;
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}
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CommandResult
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handle_clearerror(Client &client, gcc_unused Request args,
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gcc_unused Response &r)
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{
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client.GetPlayerControl().LockClearError();
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return CommandResult::OK;
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}
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CommandResult
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handle_seek(Client &client, Request args, gcc_unused Response &r)
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{
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unsigned song = args.ParseUnsigned(0);
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SongTime seek_time = args.ParseSongTime(1);
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client.GetPartition().SeekSongPosition(song, seek_time);
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return CommandResult::OK;
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}
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CommandResult
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handle_seekid(Client &client, Request args, gcc_unused Response &r)
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{
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unsigned id = args.ParseUnsigned(0);
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SongTime seek_time = args.ParseSongTime(1);
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client.GetPartition().SeekSongId(id, seek_time);
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return CommandResult::OK;
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}
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CommandResult
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handle_seekcur(Client &client, Request args, gcc_unused Response &r)
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{
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const char *p = args.front();
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bool relative = *p == '+' || *p == '-';
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SignedSongTime seek_time = ParseCommandArgSignedSongTime(p);
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client.GetPartition().SeekCurrent(seek_time, relative);
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return CommandResult::OK;
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}
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CommandResult
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handle_crossfade(Client &client, Request args, gcc_unused Response &r)
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{
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unsigned xfade_time = args.ParseUnsigned(0);
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client.GetPlayerControl().SetCrossFade(xfade_time);
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return CommandResult::OK;
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}
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CommandResult
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handle_mixrampdb(Client &client, Request args, gcc_unused Response &r)
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{
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float db = args.ParseFloat(0);
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client.GetPlayerControl().SetMixRampDb(db);
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return CommandResult::OK;
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}
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CommandResult
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handle_mixrampdelay(Client &client, Request args, gcc_unused Response &r)
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{
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float delay_secs = args.ParseFloat(0);
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client.GetPlayerControl().SetMixRampDelay(delay_secs);
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return CommandResult::OK;
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}
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CommandResult
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handle_replay_gain_mode(Client &client, Request args, Response &)
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{
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auto new_mode = FromString(args.front());
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auto &partition = client.GetPartition();
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partition.SetReplayGainMode(new_mode);
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partition.EmitIdle(IDLE_OPTIONS);
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return CommandResult::OK;
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}
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CommandResult
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handle_replay_gain_status(Client &client, gcc_unused Request args,
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Response &r)
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{
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r.Format("replay_gain_mode: %s\n",
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ToString(client.GetPartition().replay_gain_mode));
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return CommandResult::OK;
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}
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