DecoderControl: add MixRamp getters

src/DecoderControl.hxx

@@ -350,6 +350,18 @@ public:
 
 	void Quit();
 
+	const char *GetMixRampStart() const {
+		return mixramp_start;
+	}
+
+	const char *GetMixRampEnd() const {
+		return mixramp_end;
+	}
+
+	const char *GetMixRampPreviousEnd() const {
+		return mixramp_prev_end;
+	}
+
 	void MixRampStart(char *_mixramp_start);
 	void MixRampEnd(char *_mixramp_end);
 	void MixRampPrevEnd(char *_mixramp_prev_end);

src/PlayerThread.cxx

@@ -1011,8 +1011,8 @@ Player::Run()
 						pc.mixramp_delay_seconds,
 						dc.replay_gain_db,
 						dc.replay_gain_prev_db,
-						dc.mixramp_start,
+						dc.GetMixRampStart(),
-						dc.mixramp_prev_end,
+						dc.GetMixRampPreviousEnd(),
 						dc.out_audio_format,
 						play_audio_format,
 						buffer.GetSize() -