music_pipe: no CamelCase

Rename all variables and struct members.

src/crossfade.c

@@ -58,9 +58,9 @@ void cross_fade_apply(struct music_chunk *a, const struct music_chunk *b,
 
 	assert(current_chunk <= num_chunks);
 
-	size = b->chunkSize > a->chunkSize
-		? a->chunkSize
-		: b->chunkSize;
+	size = b->length > a->length
+		? a->length
+		: b->length;
 
 	pcm_mix(a->data,
 		b->data,
@@ -68,14 +68,14 @@ void cross_fade_apply(struct music_chunk *a, const struct music_chunk *b,
 		format,
 		((float)current_chunk) / num_chunks);
 
-	if (b->chunkSize > a->chunkSize) {
+	if (b->length > a->length) {
 		/* the second buffer is larger than the first one:
 		   there is unmixed rest at the end.  Copy it over.
 		   The output buffer API guarantees that there is
 		   enough room in a->data. */
-		memcpy(a->data + a->chunkSize,
-		       b->data + a->chunkSize,
-		       b->chunkSize - a->chunkSize);
-		a->chunkSize = b->chunkSize;
+		memcpy(a->data + a->length,
+		       b->data + a->length,
+		       b->length - a->length);
+		a->length = b->length;
 	}
 }