From 1b9bbf86740bc6ef97fdf31f0744fac93e5640f2 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 7 Jan 2009 19:55:08 +0000
Subject: [PATCH] Document the need of buf=NULL buf_size=0 at the end to obtain
 all frames.

Originally committed as revision 16482 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/avcodec.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 40dc4ac42e6..3d3e2448a71 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2797,6 +2797,9 @@ int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
  * the linesize is not a multiple of 16 then there's no sense in aligning the
  * start of the buffer to 16.
  *
+ * @note Some codecs have a delay between input and output, these need to be
+ * feeded with buf=NULL, buf_size=0 at the end to return the remaining frames.
+ *
  * @param avctx the codec context
  * @param[out] picture The AVFrame in which the decoded video frame will be stored.
  * @param[in] buf the input buffer
-- 
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