DecoderInternal: move functions into the class

src/DecoderAPI.cxx

@@ -312,12 +312,12 @@ do_send_tag(Decoder &decoder, const Tag &tag)
 	if (decoder.chunk != nullptr) {
 		/* there is a partial chunk - flush it, we want the
 		   tag in a new chunk */
-		decoder_flush_chunk(decoder);
+		decoder.FlushChunk();
 	}
 
 	assert(decoder.chunk == nullptr);
 
-	chunk = decoder_get_chunk(decoder);
+	chunk = decoder.GetChunk();
 	if (chunk == nullptr) {
 		assert(decoder.dc.command != DecoderCommand::NONE);
 		return decoder.dc.command;
@@ -408,7 +408,7 @@ decoder_data(Decoder &decoder,
 		struct music_chunk *chunk;
 		bool full;
 
-		chunk = decoder_get_chunk(decoder);
+		chunk = decoder.GetChunk();
 		if (chunk == nullptr) {
 			assert(dc.command != DecoderCommand::NONE);
 			return dc.command;
@@ -421,7 +421,7 @@ decoder_data(Decoder &decoder,
 				     kbit_rate);
 		if (dest.IsNull()) {
 			/* the chunk is full, flush it */
-			decoder_flush_chunk(decoder);
+			decoder.FlushChunk();
 			continue;
 		}
 
@@ -440,7 +440,7 @@ decoder_data(Decoder &decoder,
 		full = chunk->Expand(dc.out_audio_format, nbytes);
 		if (full) {
 			/* the chunk is full, flush it */
-			decoder_flush_chunk(decoder);
+			decoder.FlushChunk();
 		}
 
 		data = (const uint8_t *)data + nbytes;
@@ -532,7 +532,7 @@ decoder_replay_gain(Decoder &decoder,
 			/* flush the current chunk because the new
 			   replay gain values affect the following
 			   samples */
-			decoder_flush_chunk(decoder);
+			decoder.FlushChunk();
 		}
 	} else
 		decoder.replay_gain_serial = 0;

src/DecoderInternal.cxx

@@ -51,24 +51,21 @@ need_chunks(DecoderControl &dc)
 }
 
 struct music_chunk *
-decoder_get_chunk(Decoder &decoder)
+Decoder::GetChunk()
 {
-	DecoderControl &dc = decoder.dc;
 	DecoderCommand cmd;
 
-	if (decoder.chunk != nullptr)
-		return decoder.chunk;
+	if (chunk != nullptr)
+		return chunk;
 
 	do {
-		decoder.chunk = dc.buffer->Allocate();
-		if (decoder.chunk != nullptr) {
-			decoder.chunk->replay_gain_serial =
-				decoder.replay_gain_serial;
-			if (decoder.replay_gain_serial != 0)
-				decoder.chunk->replay_gain_info =
-					decoder.replay_gain_info;
-
-			return decoder.chunk;
+		chunk = dc.buffer->Allocate();
+		if (chunk != nullptr) {
+			chunk->replay_gain_serial = replay_gain_serial;
+			if (replay_gain_serial != 0)
+				chunk->replay_gain_info = replay_gain_info;
+
+			return chunk;
 		}
 
 		dc.Lock();
@@ -80,18 +77,16 @@ decoder_get_chunk(Decoder &decoder)
 }
 
 void
-decoder_flush_chunk(Decoder &decoder)
+Decoder::FlushChunk()
 {
-	DecoderControl &dc = decoder.dc;
-
-	assert(decoder.chunk != nullptr);
+	assert(chunk != nullptr);
 
-	if (decoder.chunk->IsEmpty())
-		dc.buffer->Return(decoder.chunk);
+	if (chunk->IsEmpty())
+		dc.buffer->Return(chunk);
 	else
-		dc.pipe->Push(decoder.chunk);
+		dc.pipe->Push(chunk);
 
-	decoder.chunk = nullptr;
+	chunk = nullptr;
 
 	dc.Lock();
 	if (dc.client_is_waiting)

src/DecoderInternal.hxx

@@ -95,23 +95,21 @@ struct Decoder {
 	}
 
 	~Decoder();
-};
 
-/**
- * Returns the current chunk the decoder writes to, or allocates a new
- * chunk if there is none.
- *
- * @return the chunk, or NULL if we have received a decoder command
- */
-struct music_chunk *
-decoder_get_chunk(Decoder &decoder);
+	/**
+	 * Returns the current chunk the decoder writes to, or allocates a new
+	 * chunk if there is none.
+	 *
+	 * @return the chunk, or NULL if we have received a decoder command
+	 */
+	music_chunk *GetChunk();
 
-/**
- * Flushes the current chunk.
- *
- * Caller must not lock the #DecoderControl object.
- */
-void
-decoder_flush_chunk(Decoder &decoder);
+	/**
+	 * Flushes the current chunk.
+	 *
+	 * Caller must not lock the #DecoderControl object.
+	 */
+	void FlushChunk();
+};
 
 #endif

src/DecoderThread.cxx

@@ -356,7 +356,7 @@ decoder_run_song(DecoderControl &dc,
 	/* flush the last chunk */
 
 	if (decoder.chunk != nullptr)
-		decoder_flush_chunk(decoder);
+		decoder.FlushChunk();
 
 	dc.Lock();