From b2b95cad20846bb3235787c266c1723acf38f971 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sat, 12 Jul 2014 01:33:12 +0200
Subject: DecoderBuffer: add method _need()

Move code from the FAAD decoder plugin.
---
 src/decoder/DecoderBuffer.hxx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/decoder/DecoderBuffer.hxx')

diff --git a/src/decoder/DecoderBuffer.hxx b/src/decoder/DecoderBuffer.hxx
index ad9750eda..4a482be75 100644
--- a/src/decoder/DecoderBuffer.hxx
+++ b/src/decoder/DecoderBuffer.hxx
@@ -90,6 +90,13 @@ gcc_pure
 ConstBuffer<void>
 decoder_buffer_read(const DecoderBuffer *buffer);
 
+/**
+ * Wait until this number of bytes are available.  Returns nullptr on
+ * error.
+ */
+ConstBuffer<void>
+decoder_buffer_need(DecoderBuffer *buffer, size_t min_size);
+
 /**
  * Consume (delete, invalidate) a part of the buffer.  The "nbytes"
  * parameter must not be larger than the length returned by
-- 
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