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authorMax Kellermann <max@duempel.org>2008-08-26 08:27:18 +0200
committerMax Kellermann <max@duempel.org>2008-08-26 08:27:18 +0200
commit8a4970f863b03550123d1b4595cf69838a93e774 (patch)
treefceabe5effacc9e910c74cad535999f3a3a2adf3 /src/decoder_control.c
parent7d3429a6d89634f098770f7dce8442f59aac9890 (diff)
downloadmpd-8a4970f863b03550123d1b4595cf69838a93e774.tar.gz
mpd-8a4970f863b03550123d1b4595cf69838a93e774.tar.xz
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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.
Diffstat (limited to '')
-rw-r--r--src/decoder_control.c82
1 files changed, 82 insertions, 0 deletions
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 <max@duempel.org>
+ * 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;
+}