From 8a4970f863b03550123d1b4595cf69838a93e774 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 26 Aug 2008 08:27:18 +0200 Subject: added decoder_control.c The source "decoder_control.c" provides an API for controlling the decoder. This replaces various direct accesses to the DecoderControl struct. --- src/decoder_control.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/decoder_control.c (limited to 'src/decoder_control.c') diff --git a/src/decoder_control.c b/src/decoder_control.c new file mode 100644 index 000000000..1c92ba522 --- /dev/null +++ b/src/decoder_control.c @@ -0,0 +1,82 @@ +/* the Music Player Daemon (MPD) + * Copyright (C) 2008 Max Kellermann + * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "decode.h" +#include "playerData.h" + +void dc_command_wait(Notify *notify) +{ + while (dc.command != DECODE_COMMAND_NONE) { + notify_signal(&dc.notify); + notify_wait(notify); + } +} + +static void dc_command(Notify *notify, enum decoder_command cmd) +{ + dc.command = cmd; + dc_command_wait(notify); +} + +static void dc_command_async(enum decoder_command cmd) +{ + dc.command = cmd; + notify_signal(&dc.notify); +} + +void dc_start(Notify *notify, Song *song) +{ + assert(song != NULL); + + dc.next_song = song; + dc.error = DECODE_ERROR_NOERROR; + dc_command(notify, DECODE_COMMAND_START); +} + +void dc_start_async(Song *song) +{ + assert(song != NULL); + + dc.next_song = song; + dc.error = DECODE_ERROR_NOERROR; + dc_command_async(DECODE_COMMAND_START); +} + +void dc_stop(Notify *notify) +{ + if (dc.command == DECODE_COMMAND_START || + dc.state != DECODE_STATE_STOP) + dc_command(notify, DECODE_COMMAND_STOP); +} + +int dc_seek(Notify *notify, double where) +{ + assert(where >= 0.0); + + if (dc.state == DECODE_STATE_STOP || !dc.seekable) + return -1; + + dc.seekWhere = where; + dc.seekError = 0; + dc_command(notify, DECODE_COMMAND_SEEK); + + if (dc.seekError) + return -1; + + return 0; +} -- cgit v1.2.3