moved variable "dc" to decode.h

Now that "dc" is available here, we don't have to pass it to
decoder_is_idle() and decoder_is_starting() anymore.

src/decode.h

@@ -44,7 +44,7 @@ enum decoder_command {
 #define DECODE_ERROR_UNKTYPE	10
 #define DECODE_ERROR_FILE	20
 
-typedef struct _DecoderControl {
+struct decoder_control {
 	Notify notify;
 
 	volatile enum decoder_state state;
@@ -57,29 +57,31 @@ typedef struct _DecoderControl {
 	Song *current_song;
 	Song *volatile next_song;
 	volatile float totalTime;
-} DecoderControl;
+};
+
+extern struct decoder_control dc;
 
 void decoderInit(void);
 
-static inline int decoder_is_idle(DecoderControl *dc)
+static inline int decoder_is_idle(void)
 {
-	return dc->state == DECODE_STATE_STOP &&
+	return dc.state == DECODE_STATE_STOP &&
-		dc->command != DECODE_COMMAND_START;
+		dc.command != DECODE_COMMAND_START;
 }
 
-static inline int decoder_is_starting(DecoderControl *dc)
+static inline int decoder_is_starting(void)
 {
-	return dc->command == DECODE_COMMAND_START ||
+	return dc.command == DECODE_COMMAND_START ||
-		dc->state == DECODE_STATE_START;
+		dc.state == DECODE_STATE_START;
 }
 
-static inline Song *decoder_current_song(DecoderControl *dc)
+static inline Song *decoder_current_song(void)
 {
-	if (dc->state == DECODE_STATE_STOP ||
+	if (dc.state == DECODE_STATE_STOP ||
-	    dc->error != DECODE_ERROR_NOERROR)
+	    dc.error != DECODE_ERROR_NOERROR)
 		return NULL;
 
-	return dc->current_song;
+	return dc.current_song;
 }
 
 void dc_command_wait(Notify *notify);

src/decoder_api.c

@@ -19,6 +19,7 @@
 
 #include "decoder_internal.h"
 #include "decoder_list.h"
+#include "decode.h"
 #include "audio.h"
 
 #include "utils.h"

src/decoder_api.h

@@ -30,6 +30,7 @@
 #include "replayGain.h"
 #include "tag.h"
 #include "playerData.h"
+#include "decode.h"
 
 
 /* valid values for streamTypes in the InputPlugin struct: */

src/decoder_control.c

@@ -17,7 +17,8 @@
  */
 
 #include "decode.h"
-#include "playerData.h"
+
+struct decoder_control dc;
 
 void dc_command_wait(Notify *notify)
 {

src/main.c

@@ -25,6 +25,7 @@
 #include "conf.h"
 #include "path.h"
 #include "playerData.h"
+#include "decode.h"
 #include "stats.h"
 #include "sig_handlers.h"
 #include "audio.h"

src/playerData.c

@@ -17,6 +17,7 @@
  */
 
 #include "playerData.h"
+#include "decode.h"
 #include "conf.h"
 #include "log.h"
 #include "utils.h"
@@ -26,7 +27,6 @@
 
 unsigned int buffered_before_play;
 PlayerControl pc;
-DecoderControl dc;
 OutputBuffer ob;
 
 void initPlayerData(void)

src/playerData.h

@@ -20,12 +20,10 @@
 #define PLAYER_DATA_H
 
 #include "player.h"
-#include "decode.h"
 #include "outputBuffer.h"
 
 extern unsigned int buffered_before_play;
 extern PlayerControl pc;
-extern DecoderControl dc;
 extern OutputBuffer ob;
 
 void initPlayerData(void);

src/player_thread.c

@@ -18,6 +18,7 @@
 
 #include "player_thread.h"
 #include "playerData.h"
+#include "decode.h"
 #include "audio.h"
 #include "pcm_utils.h"
 #include "path.h"
@@ -65,7 +66,7 @@ static int decodeSeek(int *decodeWaitedOn, int *next)
 	int ret = -1;
 	double where;
 
-	if (decoder_current_song(&dc) != pc.next_song) {
+	if (decoder_current_song() != pc.next_song) {
 		dc_stop(&pc.notify);
 		*next = -1;
 		ob_clear();
@@ -224,7 +225,7 @@ static void do_play(void)
 				pc.error = PLAYER_ERROR_FILE;
 				break;
 			}
-			else if (!decoder_is_starting(&dc)) {
+			else if (!decoder_is_starting()) {
 				/* the decoder is ready and ok */
 				decodeWaitedOn = 0;
 				if(openAudioDevice(&(ob.audioFormat))<0) {
@@ -256,7 +257,7 @@ static void do_play(void)
 			}
 		}
 
-		if (decoder_is_idle(&dc) &&
+		if (decoder_is_idle() &&
 		    pc.queueState == PLAYER_QUEUE_FULL &&
 		    pc.queueLockState == PLAYER_QUEUE_UNLOCKED) {
 			/* the decoder has finished the current song;
@@ -267,7 +268,7 @@ static void do_play(void)
 			wakeup_main_task();
 		}
 		if (next >= 0 && do_xfade == XFADE_UNKNOWN &&
-		    !decoder_is_starting(&dc)) {
+		    !decoder_is_starting()) {
 			/* enable cross fading in this song?  if yes,
 			   calculate how many chunks will be required
 			   for it */
@@ -313,7 +314,7 @@ static void do_play(void)
 				} else {
 					/* there are not enough
 					   decoded chunks yet */
-					if (decoder_is_idle(&dc)) {
+					if (decoder_is_idle()) {
 						/* the decoder isn't
 						   running, abort
 						   cross fading */
@@ -361,7 +362,7 @@ static void do_play(void)
 
 			pc.queueState = PLAYER_QUEUE_EMPTY;
 			wakeup_main_task();
-		} else if (decoder_is_idle(&dc)) {
+		} else if (decoder_is_idle()) {
 			break;
 		} else {
 			/*DEBUG("waiting for decoded audio, play silence\n");*/