music_pipe: renamed struct output_buffer to struct music_pipe

.. and rename ob_chunk to struct music_chunk.

src/crossfade.c

@@ -20,6 +20,7 @@
 #include "crossfade.h"
 #include "audio.h"
 #include "pcm_utils.h"
+#include "pipe.h"
 
 #include <assert.h>
 #include <string.h>
@@ -48,7 +49,7 @@ unsigned cross_fade_calc(float duration, float total_time,
 	return chunks;
 }
 
-void cross_fade_apply(ob_chunk * a, const ob_chunk * b,
+void cross_fade_apply(struct music_chunk *a, const struct music_chunk *b,
 		      const struct audio_format *format,
 		      unsigned int current_chunk, unsigned int num_chunks)
 {

src/crossfade.h

@@ -20,15 +20,14 @@
 #ifndef MPD_CROSSFADE_H
 #define MPD_CROSSFADE_H
 
-#include "pipe.h"
-
 struct audio_format;
+struct music_chunk;
 
 unsigned cross_fade_calc(float duration, float total_time,
 			 const struct audio_format *af,
 			 unsigned max_chunks);
 
-void cross_fade_apply(ob_chunk * a, const ob_chunk * b,
+void cross_fade_apply(struct music_chunk *a, const struct music_chunk *b,
 		      const struct audio_format *format,
 		      unsigned int current_chunk, unsigned int num_chunks);
 

src/pipe.c

@@ -23,7 +23,7 @@
 #include <assert.h>
 #include <string.h>
 
-struct output_buffer ob;
+struct music_pipe ob;
 
 void
 ob_init(unsigned int size, struct notify *notify)
@@ -82,7 +82,7 @@ static void output_buffer_expand(unsigned i)
 
 void ob_flush(void)
 {
-	ob_chunk *chunk = ob_get_chunk(ob.end);
+	struct music_chunk *chunk = ob_get_chunk(ob.end);
 
 	if (chunk->chunkSize > 0) {
 		unsigned int next = successor(ob.end);
@@ -139,7 +139,8 @@ int ob_absolute(const unsigned relative)
 	return (int)i;
 }
 
-ob_chunk * ob_get_chunk(const unsigned i)
+struct music_chunk *
+ob_get_chunk(const unsigned i)
 {
 	assert(i < ob.size);
 
@@ -152,11 +153,12 @@ ob_chunk * ob_get_chunk(const unsigned i)
  * @return the chunk which has room for more data; NULL if there is no
  * room.
  */
-static ob_chunk *tail_chunk(float data_time, uint16_t bitRate)
+static struct music_chunk *
+tail_chunk(float data_time, uint16_t bitRate)
 {
 	const size_t frame_size = audio_format_frame_size(&ob.audioFormat);
 	unsigned int next;
-	ob_chunk *chunk;
+	struct music_chunk *chunk;
 
 	chunk = ob_get_chunk(ob.end);
 	assert(chunk->chunkSize <= sizeof(chunk->data));
@@ -189,7 +191,7 @@ size_t ob_append(const void *data0, size_t datalen,
 	const unsigned char *data = data0;
 	const size_t frame_size = audio_format_frame_size(&ob.audioFormat);
 	size_t ret = 0, dataToSend;
-	ob_chunk *chunk = NULL;
+	struct music_chunk *chunk = NULL;
 
 	/* no partial frames allowed */
 	assert((datalen % frame_size) == 0);

src/pipe.h

@@ -27,19 +27,19 @@
 /* pick 1020 since its devisible for 8,16,24, and 32-bit audio */
 #define CHUNK_SIZE		1020
 
-typedef struct _OutputBufferChunk {
+struct music_chunk {
 	uint16_t chunkSize;
 	uint16_t bitRate;
 	float times;
 	char data[CHUNK_SIZE];
-} ob_chunk;
+};
 
 /**
  * A ring set of buffers where the decoder appends data after the end,
  * and the player consumes data from the beginning.
  */
-struct output_buffer {
-	ob_chunk *chunks;
+struct music_pipe {
+	struct music_chunk *chunks;
 
 	unsigned int size;
 
@@ -58,7 +58,7 @@ struct output_buffer {
 	struct notify *notify;
 };
 
-extern struct output_buffer ob;
+extern struct music_pipe ob;
 
 void
 ob_init(unsigned int size, struct notify *notify);
@@ -100,7 +100,8 @@ unsigned ob_available(void);
  */
 int ob_absolute(const unsigned relative);
 
-ob_chunk * ob_get_chunk(const unsigned i);
+struct music_chunk *
+ob_get_chunk(const unsigned i);
 
 /**
  * Append a data block to the buffer.

src/player_thread.c

@@ -26,6 +26,7 @@
 #include "main_notify.h"
 #include "crossfade.h"
 #include "song.h"
+#include "pipe.h"
 
 enum xfade_state {
 	XFADE_DISABLED = -1,
@@ -205,8 +206,9 @@ static void processDecodeInput(struct player *player)
 	}
 }
 
-static int playChunk(ob_chunk * chunk,
-		     const struct audio_format *format, double sizeToTime)
+static int
+playChunk(struct music_chunk *chunk, const struct audio_format *format,
+	  double sizeToTime)
 {
 	pc.elapsedTime = chunk->times;
 	pc.bitRate = chunk->bitRate;
@@ -355,7 +357,7 @@ static void do_play(void)
 			notify_wait(&pc.notify);
 		else if (!ob_is_empty() &&
 			 (int)ob.begin != player.next_song_chunk) {
-			ob_chunk *beginChunk = ob_get_chunk(ob.begin);
+			struct music_chunk *beginChunk = ob_get_chunk(ob.begin);
 			unsigned int fadePosition;
 			if (player.xfade == XFADE_ENABLED &&
 			    player.next_song_chunk >= 0 &&