From b068660ffa73f226cc03a67e214b8540fc1e11c4 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 4 Nov 2013 12:07:24 +0100
Subject: [PATCH] lavc: deprecate CODEC_CAP_NEG_LINESIZES

It was never used in any codec since it was added 3 years ago.
---
 libavcodec/avcodec.h | 4 +++-
 libavcodec/version.h | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 79c6efc3a2..f2fd0dc3d4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -762,10 +762,12 @@ typedef struct RcOverride{
  * Codec should fill in channel configuration and samplerate instead of container
  */
 #define CODEC_CAP_CHANNEL_CONF     0x0400
+#if FF_API_NEG_LINESIZES
 /**
- * Codec is able to deal with negative linesizes
+ * @deprecated no codecs use this capability
  */
 #define CODEC_CAP_NEG_LINESIZES    0x0800
+#endif
 /**
  * Codec supports frame-level multithreading.
  */
diff --git a/libavcodec/version.h b/libavcodec/version.h
index e9d09ac98e..c828dc8e61 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -115,5 +115,8 @@
 #ifndef FF_API_FAST_MALLOC
 #define FF_API_FAST_MALLOC       (LIBAVCODEC_VERSION_MAJOR < 56)
 #endif
+#ifndef FF_API_NEG_LINESIZES
+#define FF_API_NEG_LINESIZES     (LIBAVCODEC_VERSION_MAJOR < 56)
+#endif
 
 #endif /* AVCODEC_VERSION_H */