diff options
Diffstat (limited to 'src/PlayerControl.cxx')
| -rw-r--r-- | src/PlayerControl.cxx | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/src/PlayerControl.cxx b/src/PlayerControl.cxx new file mode 100644 index 000000000..790abcd50 --- /dev/null +++ b/src/PlayerControl.cxx @@ -0,0 +1,321 @@ +/* + * 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.h" +#include "DecoderControl.hxx" +#include "Main.hxx" + +#include <cmath> + +#include <assert.h> +#include <stdio.h> + +static void +pc_enqueue_song_locked(struct player_control *pc, struct song *song); + +player_control::player_control(unsigned _buffer_chunks, + unsigned _buffered_before_play) + :buffer_chunks(_buffer_chunks), + buffered_before_play(_buffered_before_play), + thread(nullptr), + command(PLAYER_COMMAND_NONE), + state(PLAYER_STATE_STOP), + error_type(PLAYER_ERROR_NONE), + error(nullptr), + 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) + song_free(next_song); +} + +static void +player_command_wait_locked(struct player_control *pc) +{ + while (pc->command != PLAYER_COMMAND_NONE) + pc->ClientWait(); +} + +static void +player_command_locked(struct player_control *pc, enum player_command cmd) +{ + assert(pc->command == PLAYER_COMMAND_NONE); + + pc->command = cmd; + pc->Signal(); + player_command_wait_locked(pc); +} + +static void +player_command(struct player_control *pc, enum player_command cmd) +{ + pc->Lock(); + player_command_locked(pc, cmd); + pc->Unlock(); +} + +void +player_control::Play(struct song *song) +{ + assert(song != NULL); + + Lock(); + + if (state != PLAYER_STATE_STOP) + player_command_locked(this, PLAYER_COMMAND_STOP); + + assert(next_song == nullptr); + + pc_enqueue_song_locked(this, song); + + assert(next_song == nullptr); + + Unlock(); +} + +void +player_control::Cancel() +{ + player_command(this, PLAYER_COMMAND_CANCEL); + assert(next_song == NULL); +} + +void +player_control::Stop() +{ + player_command(this, PLAYER_COMMAND_CLOSE_AUDIO); + assert(next_song == nullptr); + + idle_add(IDLE_PLAYER); +} + +void +player_control::UpdateAudio() +{ + player_command(this, PLAYER_COMMAND_UPDATE_AUDIO); +} + +void +player_control::Kill() +{ + assert(thread != NULL); + + player_command(this, PLAYER_COMMAND_EXIT); + g_thread_join(thread); + thread = NULL; + + idle_add(IDLE_PLAYER); +} + +void +player_control::Pause() +{ + Lock(); + + if (state != PLAYER_STATE_STOP) { + player_command_locked(this, PLAYER_COMMAND_PAUSE); + idle_add(IDLE_PLAYER); + } + + Unlock(); +} + +static void +pc_pause_locked(struct player_control *pc) +{ + if (pc->state != PLAYER_STATE_STOP) { + player_command_locked(pc, PLAYER_COMMAND_PAUSE); + idle_add(IDLE_PLAYER); + } +} + +void +player_control::SetPause(bool pause_flag) +{ + Lock(); + + switch (state) { + case PLAYER_STATE_STOP: + break; + + case PLAYER_STATE_PLAY: + if (pause_flag) + pc_pause_locked(this); + break; + + case PLAYER_STATE_PAUSE: + if (!pause_flag) + pc_pause_locked(this); + break; + } + + Unlock(); +} + +void +player_control::SetBorderPause(bool _border_pause) +{ + Lock(); + border_pause = _border_pause; + Unlock(); +} + +player_status +player_control::GetStatus() +{ + player_status status; + + Lock(); + player_command_locked(this, PLAYER_COMMAND_REFRESH); + + status.state = state; + + if (state != PLAYER_STATE_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(player_error type, GError *_error) +{ + assert(type != PLAYER_ERROR_NONE); + assert(_error != NULL); + + if (error_type != PLAYER_ERROR_NONE) + g_error_free(error); + + error_type = type; + error = _error; +} + +void +player_control::ClearError() +{ + Lock(); + + if (error_type != PLAYER_ERROR_NONE) { + error_type = PLAYER_ERROR_NONE; + g_error_free(error); + } + + Unlock(); +} + +char * +player_control::GetErrorMessage() const +{ + Lock(); + char *message = error_type != PLAYER_ERROR_NONE + ? g_strdup(error->message) + : NULL; + Unlock(); + return message; +} + +static void +pc_enqueue_song_locked(struct player_control *pc, struct song *song) +{ + assert(song != NULL); + assert(pc->next_song == NULL); + + pc->next_song = song; + player_command_locked(pc, PLAYER_COMMAND_QUEUE); +} + +void +player_control::EnqueueSong(struct song *song) +{ + assert(song != NULL); + + Lock(); + pc_enqueue_song_locked(this, song); + Unlock(); +} + +bool +player_control::Seek(struct song *song, float seek_time) +{ + assert(song != NULL); + + Lock(); + + if (next_song != nullptr) + song_free(next_song); + + next_song = song; + seek_where = seek_time; + player_command_locked(this, PLAYER_COMMAND_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); +} |