hide DecoderControl accesses in inline functions

Unfortunately, we have to pass the DecoderControl pointer to these
inline functions, because the global variable "dc" may not be
available here.  This will be fixed later.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/decode.h b/src/decode.h
index f68507d3f..ba6193a99 100644
--- a/src/decode.h
+++ b/src/decode.h
@@ -61,6 +61,27 @@ typedef struct _DecoderControl {
 
 void decoderInit(void);
 
+static inline int decoder_is_idle(DecoderControl *dc)
+{
+	return dc->state == DECODE_STATE_STOP &&
+		dc->command != DECODE_COMMAND_START;
+}
+
+static inline int decoder_is_starting(DecoderControl *dc)
+{
+	return dc->command == DECODE_COMMAND_START ||
+		dc->state == DECODE_STATE_START;
+}
+
+static inline Song *decoder_current_song(DecoderControl *dc)
+{
+	if (dc->state == DECODE_STATE_STOP ||
+	    dc->error != DECODE_ERROR_NOERROR)
+		return NULL;
+
+	return dc->current_song;
+}
+
 void dc_command_wait(Notify *notify);
 
 void dc_start(Notify *notify, Song *song);