mpd/src/PlayerCommands.cxx

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/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "PlayerCommands.hxx"
#include "CommandError.hxx"
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#include "Playlist.hxx"
#include "PlaylistPrint.hxx"
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#include "UpdateGlue.hxx"
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#include "ClientInternal.hxx"
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#include "Volume.hxx"
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#include "OutputAll.hxx"
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#include "Partition.hxx"
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#include "protocol/Result.hxx"
#include "protocol/ArgParser.hxx"
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extern "C" {
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#include "AudioFormat.hxx"
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}
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#include "replay_gain_config.h"
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#include <errno.h>
#define COMMAND_STATUS_STATE "state"
#define COMMAND_STATUS_REPEAT "repeat"
#define COMMAND_STATUS_SINGLE "single"
#define COMMAND_STATUS_CONSUME "consume"
#define COMMAND_STATUS_RANDOM "random"
#define COMMAND_STATUS_PLAYLIST "playlist"
#define COMMAND_STATUS_PLAYLIST_LENGTH "playlistlength"
#define COMMAND_STATUS_SONG "song"
#define COMMAND_STATUS_SONGID "songid"
#define COMMAND_STATUS_NEXTSONG "nextsong"
#define COMMAND_STATUS_NEXTSONGID "nextsongid"
#define COMMAND_STATUS_TIME "time"
#define COMMAND_STATUS_BITRATE "bitrate"
#define COMMAND_STATUS_ERROR "error"
#define COMMAND_STATUS_CROSSFADE "xfade"
#define COMMAND_STATUS_MIXRAMPDB "mixrampdb"
#define COMMAND_STATUS_MIXRAMPDELAY "mixrampdelay"
#define COMMAND_STATUS_AUDIO "audio"
#define COMMAND_STATUS_UPDATING_DB "updating_db"
enum command_return
handle_play(Client *client, int argc, char *argv[])
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{
int song = -1;
if (argc == 2 && !check_int(client, &song, argv[1]))
return COMMAND_RETURN_ERROR;
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enum playlist_result result = client->partition.PlayPosition(song);
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return print_playlist_result(client, result);
}
enum command_return
handle_playid(Client *client, int argc, char *argv[])
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{
int id = -1;
if (argc == 2 && !check_int(client, &id, argv[1]))
return COMMAND_RETURN_ERROR;
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enum playlist_result result = client->partition.PlayId(id);
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return print_playlist_result(client, result);
}
enum command_return
handle_stop(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
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client->partition.Stop();
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return COMMAND_RETURN_OK;
}
enum command_return
handle_currentsong(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
playlist_print_current(client, &client->playlist);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_pause(Client *client,
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int argc, char *argv[])
{
if (argc == 2) {
bool pause_flag;
if (!check_bool(client, &pause_flag, argv[1]))
return COMMAND_RETURN_ERROR;
client->player_control->SetPause(pause_flag);
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} else
client->player_control->Pause();
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return COMMAND_RETURN_OK;
}
enum command_return
handle_status(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
const char *state = NULL;
int updateJobId;
int song;
const auto player_status = client->player_control->GetStatus();
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switch (player_status.state) {
case PLAYER_STATE_STOP:
state = "stop";
break;
case PLAYER_STATE_PAUSE:
state = "pause";
break;
case PLAYER_STATE_PLAY:
state = "play";
break;
}
const playlist &playlist = client->playlist;
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client_printf(client,
"volume: %i\n"
COMMAND_STATUS_REPEAT ": %i\n"
COMMAND_STATUS_RANDOM ": %i\n"
COMMAND_STATUS_SINGLE ": %i\n"
COMMAND_STATUS_CONSUME ": %i\n"
COMMAND_STATUS_PLAYLIST ": %li\n"
COMMAND_STATUS_PLAYLIST_LENGTH ": %i\n"
COMMAND_STATUS_CROSSFADE ": %i\n"
COMMAND_STATUS_MIXRAMPDB ": %f\n"
COMMAND_STATUS_MIXRAMPDELAY ": %f\n"
COMMAND_STATUS_STATE ": %s\n",
volume_level_get(),
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playlist.GetRepeat(),
playlist.GetRandom(),
playlist.GetSingle(),
playlist.GetConsume(),
(unsigned long)playlist.GetVersion(),
playlist.GetLength(),
(int)(client->player_control->GetCrossFade() + 0.5),
client->player_control->GetMixRampDb(),
client->player_control->GetMixRampDelay(),
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state);
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song = playlist.GetCurrentPosition();
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if (song >= 0) {
client_printf(client,
COMMAND_STATUS_SONG ": %i\n"
COMMAND_STATUS_SONGID ": %u\n",
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song, playlist.PositionToId(song));
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}
if (player_status.state != PLAYER_STATE_STOP) {
client_printf(client,
COMMAND_STATUS_TIME ": %i:%i\n"
"elapsed: %1.3f\n"
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COMMAND_STATUS_BITRATE ": %u\n",
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(int)(player_status.elapsed_time + 0.5),
(int)(player_status.total_time + 0.5),
player_status.elapsed_time,
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player_status.bit_rate);
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if (player_status.audio_format.IsDefined()) {
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struct audio_format_string af_string;
client_printf(client,
COMMAND_STATUS_AUDIO ": %s\n",
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audio_format_to_string(player_status.audio_format,
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&af_string));
}
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}
if ((updateJobId = isUpdatingDB())) {
client_printf(client,
COMMAND_STATUS_UPDATING_DB ": %i\n",
updateJobId);
}
char *error = client->player_control->GetErrorMessage();
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if (error != NULL) {
client_printf(client,
COMMAND_STATUS_ERROR ": %s\n",
error);
g_free(error);
}
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song = playlist.GetNextPosition();
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if (song >= 0) {
client_printf(client,
COMMAND_STATUS_NEXTSONG ": %i\n"
COMMAND_STATUS_NEXTSONGID ": %u\n",
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song, playlist.PositionToId(song));
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}
return COMMAND_RETURN_OK;
}
enum command_return
handle_next(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
playlist &playlist = client->playlist;
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/* single mode is not considered when this is user who
* wants to change song. */
const bool single = playlist.queue.single;
playlist.queue.single = false;
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client->partition.PlayNext();
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playlist.queue.single = single;
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return COMMAND_RETURN_OK;
}
enum command_return
handle_previous(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
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client->partition.PlayPrevious();
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_repeat(Client *client, gcc_unused int argc, char *argv[])
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{
bool status;
if (!check_bool(client, &status, argv[1]))
return COMMAND_RETURN_ERROR;
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client->partition.SetRepeat(status);
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_single(Client *client, gcc_unused int argc, char *argv[])
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{
bool status;
if (!check_bool(client, &status, argv[1]))
return COMMAND_RETURN_ERROR;
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client->partition.SetSingle(status);
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_consume(Client *client, gcc_unused int argc, char *argv[])
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{
bool status;
if (!check_bool(client, &status, argv[1]))
return COMMAND_RETURN_ERROR;
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client->partition.SetConsume(status);
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_random(Client *client, gcc_unused int argc, char *argv[])
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{
bool status;
if (!check_bool(client, &status, argv[1]))
return COMMAND_RETURN_ERROR;
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client->partition.SetRandom(status);
audio_output_all_set_replay_gain_mode(replay_gain_get_real_mode(client->partition.GetRandom()));
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_clearerror(gcc_unused Client *client,
gcc_unused int argc, gcc_unused char *argv[])
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{
client->player_control->ClearError();
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_seek(Client *client, gcc_unused int argc, char *argv[])
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{
unsigned song, seek_time;
if (!check_unsigned(client, &song, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_unsigned(client, &seek_time, argv[2]))
return COMMAND_RETURN_ERROR;
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enum playlist_result result =
client->partition.SeekSongPosition(song, seek_time);
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return print_playlist_result(client, result);
}
enum command_return
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handle_seekid(Client *client, gcc_unused int argc, char *argv[])
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{
unsigned id, seek_time;
if (!check_unsigned(client, &id, argv[1]))
return COMMAND_RETURN_ERROR;
if (!check_unsigned(client, &seek_time, argv[2]))
return COMMAND_RETURN_ERROR;
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enum playlist_result result =
client->partition.SeekSongId(id, seek_time);
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return print_playlist_result(client, result);
}
enum command_return
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handle_seekcur(Client *client, gcc_unused int argc, char *argv[])
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{
const char *p = argv[1];
bool relative = *p == '+' || *p == '-';
int seek_time;
if (!check_int(client, &seek_time, p))
return COMMAND_RETURN_ERROR;
enum playlist_result result =
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client->partition.SeekCurrent(seek_time, relative);
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return print_playlist_result(client, result);
}
enum command_return
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handle_crossfade(Client *client, gcc_unused int argc, char *argv[])
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{
unsigned xfade_time;
if (!check_unsigned(client, &xfade_time, argv[1]))
return COMMAND_RETURN_ERROR;
client->player_control->SetCrossFade(xfade_time);
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_mixrampdb(Client *client, gcc_unused int argc, char *argv[])
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{
float db;
if (!check_float(client, &db, argv[1]))
return COMMAND_RETURN_ERROR;
client->player_control->SetMixRampDb(db);
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return COMMAND_RETURN_OK;
}
enum command_return
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handle_mixrampdelay(Client *client, gcc_unused int argc, char *argv[])
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{
float delay_secs;
if (!check_float(client, &delay_secs, argv[1]))
return COMMAND_RETURN_ERROR;
client->player_control->SetMixRampDelay(delay_secs);
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return COMMAND_RETURN_OK;
}
enum command_return
handle_replay_gain_mode(Client *client,
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gcc_unused int argc, char *argv[])
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{
if (!replay_gain_set_mode_string(argv[1])) {
command_error(client, ACK_ERROR_ARG,
"Unrecognized replay gain mode");
return COMMAND_RETURN_ERROR;
}
audio_output_all_set_replay_gain_mode(replay_gain_get_real_mode(client->playlist.queue.random));
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return COMMAND_RETURN_OK;
}
enum command_return
handle_replay_gain_status(Client *client,
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gcc_unused int argc, gcc_unused char *argv[])
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{
client_printf(client, "replay_gain_mode: %s\n",
replay_gain_get_mode_string());
return COMMAND_RETURN_OK;
}