/* * Copyright (C) 2003-2009 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 "player_control.h" #include "path.h" #include "log.h" #include "tag.h" #include "song.h" #include "idle.h" #include "pcm_volume.h" #include "main.h" #include <assert.h> #include <stdio.h> struct player_control pc; void pc_init(unsigned buffer_chunks, unsigned int buffered_before_play) { pc.buffer_chunks = buffer_chunks; pc.buffered_before_play = buffered_before_play; notify_init(&pc.notify); pc.command = PLAYER_COMMAND_NONE; pc.error = PLAYER_ERROR_NOERROR; pc.state = PLAYER_STATE_STOP; pc.cross_fade_seconds = 0; } void pc_deinit(void) { notify_deinit(&pc.notify); } void pc_song_deleted(const struct song *song) { if (pc.errored_song == song) { pc.error = PLAYER_ERROR_NOERROR; pc.errored_song = NULL; } } static void player_command(enum player_command cmd) { assert(pc.command == PLAYER_COMMAND_NONE); pc.command = cmd; while (pc.command != PLAYER_COMMAND_NONE) { notify_signal(&pc.notify); notify_wait(&main_notify); } } void pc_play(struct song *song) { assert(song != NULL); if (pc.state != PLAYER_STATE_STOP) player_command(PLAYER_COMMAND_STOP); assert(pc.next_song == NULL); pc_enqueue_song(song); assert(pc.next_song == NULL); idle_add(IDLE_PLAYER); } void pc_cancel(void) { player_command(PLAYER_COMMAND_CANCEL); assert(pc.next_song == NULL); } void pc_stop(void) { player_command(PLAYER_COMMAND_CLOSE_AUDIO); assert(pc.next_song == NULL); idle_add(IDLE_PLAYER); } void pc_kill(void) { assert(pc.thread != NULL); player_command(PLAYER_COMMAND_EXIT); g_thread_join(pc.thread); pc.thread = NULL; idle_add(IDLE_PLAYER); } void pc_pause(void) { if (pc.state != PLAYER_STATE_STOP) { player_command(PLAYER_COMMAND_PAUSE); idle_add(IDLE_PLAYER); } } void pc_set_pause(bool pause_flag) { switch (pc.state) { case PLAYER_STATE_STOP: break; case PLAYER_STATE_PLAY: if (pause_flag) pc_pause(); break; case PLAYER_STATE_PAUSE: if (!pause_flag) pc_pause(); break; } } void pc_get_status(struct player_status *status) { status->state = pc.state; if (pc.state != PLAYER_STATE_STOP) { status->bit_rate = pc.bit_rate; status->audio_format = pc.audio_format; status->total_time = pc.total_time; status->elapsed_time = pc.elapsed_time; } } enum player_state pc_get_state(void) { return pc.state; } void pc_clear_error(void) { pc.error = PLAYER_ERROR_NOERROR; pc.errored_song = NULL; } enum player_error pc_get_error(void) { return pc.error; } static char * pc_errored_song_uri(void) { return song_get_uri(pc.errored_song); } char * pc_get_error_message(void) { char *error; char *uri; switch (pc.error) { case PLAYER_ERROR_NOERROR: return NULL; case PLAYER_ERROR_FILENOTFOUND: uri = pc_errored_song_uri(); error = g_strdup_printf("file \"%s\" does not exist or is inaccessible", uri); g_free(uri); return error; case PLAYER_ERROR_FILE: uri = pc_errored_song_uri(); error = g_strdup_printf("problems decoding \"%s\"", uri); g_free(uri); return error; case PLAYER_ERROR_AUDIO: return g_strdup("problems opening audio device"); case PLAYER_ERROR_SYSTEM: return g_strdup("system error occured"); case PLAYER_ERROR_UNKTYPE: uri = pc_errored_song_uri(); error = g_strdup_printf("file type of \"%s\" is unknown", uri); g_free(uri); return error; } assert(false); return NULL; } void pc_enqueue_song(struct song *song) { assert(song != NULL); assert(pc.next_song == NULL); pc.next_song = song; player_command(PLAYER_COMMAND_QUEUE); } bool pc_seek(struct song *song, float seek_time) { assert(song != NULL); if (pc.state == PLAYER_STATE_STOP) return false; pc.next_song = song; pc.seek_where = seek_time; player_command(PLAYER_COMMAND_SEEK); assert(pc.next_song == NULL); idle_add(IDLE_PLAYER); return true; } float pc_get_cross_fade(void) { return pc.cross_fade_seconds; } void pc_set_cross_fade(float cross_fade_seconds) { if (cross_fade_seconds < 0) cross_fade_seconds = 0; pc.cross_fade_seconds = cross_fade_seconds; idle_add(IDLE_OPTIONS); } double pc_get_total_play_time(void) { return pc.total_play_time; }