1 files changed, 77 insertions, 0 deletions
diff --git a/src/decoder/decoder_internal.c b/src/decoder/decoder_internal.c
new file mode 100644
index 00000000..cd8f03c1
--- /dev/null
+++ b/src/decoder/decoder_internal.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "decoder_internal.h"
+#include "decoder_control.h"
+#include "pipe.h"
+#include "input_stream.h"
+#include "chunk.h"
+
+#include <assert.h>
+
+/**
+ * All chunks are full of decoded data; wait for the player to free
+ * one.
+ */
+static enum decoder_command
+need_chunks(struct decoder_control *dc, bool do_wait)
+{
+	if (dc->command == DECODE_COMMAND_STOP ||
+	    dc->command == DECODE_COMMAND_SEEK)
+		return dc->command;
+
+	if (do_wait) {
+		decoder_wait(dc);
+		g_cond_signal(dc->client_cond);
+
+		return dc->command;
+	}
+
+	return DECODE_COMMAND_NONE;
+}
+
+struct music_chunk *decoder_get_chunk(struct decoder *decoder)
+{
+    struct decoder_control *dc = decoder->dc;
+    struct music_chunk *chunk;
+    enum decoder_command cmd;
+
+    assert(decoder != NULL);
+
+    do {
+        if (music_pipe_size(dc->pipe) <= dc->buffer_samples) {
+            chunk = music_chunk_alloc();
+            if (!chunk)
+                return NULL;
+
+            chunk->replay_gain_serial = decoder->replay_gain_serial;
+            if (decoder->replay_gain_serial != 0)
+                chunk->replay_gain_info = decoder->replay_gain_info;
+
+            return chunk;
+        }
+
+        decoder_lock(dc);
+        cmd = need_chunks(dc, true);
+        decoder_unlock(dc);
+    } while (cmd == DECODE_COMMAND_NONE);
+
+    return NULL;
+}