1 files changed, 39 insertions, 5 deletions

diff --git a/src/decoder_control.c b/src/DecoderControl.cxx
index 2ce03b666..2ffaf116f 100644
--- a/src/decoder_control.c
+++ b/src/DecoderControl.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -18,8 +18,9 @@
  */
 
 #include "config.h"
-#include "decoder_control.h"
-#include "pipe.h"
+#include "DecoderControl.hxx"
+#include "MusicPipe.hxx"
+#include "song.h"
 
 #include <assert.h>
 
@@ -27,7 +28,7 @@
 #define G_LOG_DOMAIN "decoder_control"
 
 struct decoder_control *
-dc_new(GCond *client_cond)
+dc_new()
 {
 	struct decoder_control *dc = g_new(struct decoder_control, 1);
 
@@ -35,11 +36,13 @@ dc_new(GCond *client_cond)
 
 	dc->mutex = g_mutex_new();
 	dc->cond = g_cond_new();
-	dc->client_cond = client_cond;
+	dc->client_cond = g_cond_new();
 
 	dc->state = DECODE_STATE_STOP;
 	dc->command = DECODE_COMMAND_NONE;
 
+	dc->song = NULL;
+
 	dc->replay_gain_db = 0;
 	dc->replay_gain_prev_db = 0;
 	dc->mixramp_start = NULL;
@@ -52,6 +55,12 @@ dc_new(GCond *client_cond)
 void
 dc_free(struct decoder_control *dc)
 {
+	dc_clear_error(dc);
+
+	if (dc->song != NULL)
+		song_free(dc->song);
+
+	g_cond_free(dc->client_cond);
 	g_cond_free(dc->cond);
 	g_mutex_free(dc->mutex);
 	g_free(dc->mixramp_start);
@@ -79,6 +88,7 @@ static void
 dc_command(struct decoder_control *dc, enum decoder_command cmd)
 {
 	decoder_lock(dc);
+	dc_clear_error(dc);
 	dc_command_locked(dc, cmd);
 	decoder_unlock(dc);
 }
@@ -94,6 +104,27 @@ dc_command_async(struct decoder_control *dc, enum decoder_command cmd)
 	decoder_unlock(dc);
 }
 
+bool
+decoder_is_current_song(const struct decoder_control *dc,
+			const struct song *song)
+{
+	assert(dc != NULL);
+	assert(song != NULL);
+
+	switch (dc->state) {
+	case DECODE_STATE_STOP:
+	case DECODE_STATE_ERROR:
+		return false;
+
+	case DECODE_STATE_START:
+	case DECODE_STATE_DECODE:
+		return song_equals(dc->song, song);
+	}
+
+	assert(false);
+	return false;
+}
+
 void
 dc_start(struct decoder_control *dc, struct song *song,
 	 unsigned start_ms, unsigned end_ms,
@@ -104,6 +135,9 @@ dc_start(struct decoder_control *dc, struct song *song,
 	assert(pipe != NULL);
 	assert(music_pipe_empty(pipe));
 
+	if (dc->song != NULL)
+		song_free(dc->song);
+
 	dc->song = song;
 	dc->start_ms = start_ms;
 	dc->end_ms = end_ms;