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Diffstat (limited to '')
| -rw-r--r-- | src/PlayerControl.cxx | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/PlayerControl.cxx b/src/PlayerControl.cxx new file mode 100644 index 000000000..56b44f1f8 --- /dev/null +++ b/src/PlayerControl.cxx @@ -0,0 +1,272 @@ +/* + * Copyright (C) 2003-2013 The Music Player Daemon Project + * 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 "PlayerControl.hxx" +#include "Idle.hxx" +#include "Song.hxx" +#include "DecoderControl.hxx" + +#include <cmath> + +#include <assert.h> + +player_control::player_control(unsigned _buffer_chunks, + unsigned _buffered_before_play) + :buffer_chunks(_buffer_chunks), + buffered_before_play(_buffered_before_play), + thread(nullptr), + command(PlayerCommand::NONE), + state(PlayerState::STOP), + error_type(PlayerError::NONE), + next_song(nullptr), + cross_fade_seconds(0), + mixramp_db(0), +#if defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_C99_MATH_TR1) + /* workaround: on MacPorts, this option is disabled on gcc47, + and therefore std::nanf() is not available */ + mixramp_delay_seconds(nanf("")), +#else + mixramp_delay_seconds(std::nanf("")), +#endif + total_play_time(0), + border_pause(false) +{ +} + +player_control::~player_control() +{ + if (next_song != nullptr) + next_song->Free(); +} + +void +player_control::Play(Song *song) +{ + assert(song != NULL); + + Lock(); + + if (state != PlayerState::STOP) + SynchronousCommand(PlayerCommand::STOP); + + assert(next_song == nullptr); + + EnqueueSongLocked(song); + + assert(next_song == nullptr); + + Unlock(); +} + +void +player_control::Cancel() +{ + LockSynchronousCommand(PlayerCommand::CANCEL); + assert(next_song == NULL); +} + +void +player_control::Stop() +{ + LockSynchronousCommand(PlayerCommand::CLOSE_AUDIO); + assert(next_song == nullptr); + + idle_add(IDLE_PLAYER); +} + +void +player_control::UpdateAudio() +{ + LockSynchronousCommand(PlayerCommand::UPDATE_AUDIO); +} + +void +player_control::Kill() +{ + assert(thread != NULL); + + LockSynchronousCommand(PlayerCommand::EXIT); + g_thread_join(thread); + thread = NULL; + + idle_add(IDLE_PLAYER); +} + +void +player_control::PauseLocked() +{ + if (state != PlayerState::STOP) { + SynchronousCommand(PlayerCommand::PAUSE); + idle_add(IDLE_PLAYER); + } +} + +void +player_control::Pause() +{ + Lock(); + PauseLocked(); + Unlock(); +} + +void +player_control::SetPause(bool pause_flag) +{ + Lock(); + + switch (state) { + case PlayerState::STOP: + break; + + case PlayerState::PLAY: + if (pause_flag) + PauseLocked(); + break; + + case PlayerState::PAUSE: + if (!pause_flag) + PauseLocked(); + break; + } + + Unlock(); +} + +void +player_control::SetBorderPause(bool _border_pause) +{ + Lock(); + border_pause = _border_pause; + Unlock(); +} + +player_status +player_control::GetStatus() +{ + player_status status; + + Lock(); + SynchronousCommand(PlayerCommand::REFRESH); + + status.state = state; + + if (state != PlayerState::STOP) { + status.bit_rate = bit_rate; + status.audio_format = audio_format; + status.total_time = total_time; + status.elapsed_time = elapsed_time; + } + + Unlock(); + + return status; +} + +void +player_control::SetError(PlayerError type, Error &&_error) +{ + assert(type != PlayerError::NONE); + assert(_error.IsDefined()); + + error_type = type; + error = std::move(_error); +} + +void +player_control::ClearError() +{ + Lock(); + + if (error_type != PlayerError::NONE) { + error_type = PlayerError::NONE; + error.Clear(); + } + + Unlock(); +} + +char * +player_control::GetErrorMessage() const +{ + Lock(); + char *message = error_type != PlayerError::NONE + ? g_strdup(error.GetMessage()) + : NULL; + Unlock(); + return message; +} + +void +player_control::EnqueueSong(Song *song) +{ + assert(song != NULL); + + Lock(); + EnqueueSongLocked(song); + Unlock(); +} + +bool +player_control::Seek(Song *song, float seek_time) +{ + assert(song != NULL); + + Lock(); + + if (next_song != nullptr) + next_song->Free(); + + next_song = song; + seek_where = seek_time; + SynchronousCommand(PlayerCommand::SEEK); + Unlock(); + + assert(next_song == nullptr); + + idle_add(IDLE_PLAYER); + + return true; +} + +void +player_control::SetCrossFade(float _cross_fade_seconds) +{ + if (_cross_fade_seconds < 0) + _cross_fade_seconds = 0; + cross_fade_seconds = _cross_fade_seconds; + + idle_add(IDLE_OPTIONS); +} + +void +player_control::SetMixRampDb(float _mixramp_db) +{ + mixramp_db = _mixramp_db; + + idle_add(IDLE_OPTIONS); +} + +void +player_control::SetMixRampDelay(float _mixramp_delay_seconds) +{ + mixramp_delay_seconds = _mixramp_delay_seconds; + + idle_add(IDLE_OPTIONS); +} |