From a1504eee41b39f62dbfe0a0ca6b96c2716bf7577 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 27 Oct 2013 11:26:17 +0100
Subject: [PATCH] lavc: deprecate AVCodecContext.debug_mv

It has been unused since 37045e422903695e610cca6ecb753df643ab9380.
---
 libavcodec/avcodec.h       | 7 ++++---
 libavcodec/options_table.h | 2 ++
 libavcodec/pthread.c       | 1 -
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 87d04348eb..81bf8c6e0a 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2324,15 +2324,16 @@ typedef struct AVCodecContext {
 #define FF_DEBUG_BUFFERS     0x00008000
 #define FF_DEBUG_THREADS     0x00010000
 
+#if FF_API_DEBUG_MV
     /**
-     * debug
-     * - encoding: Set by user.
-     * - decoding: Set by user.
+     * @deprecated this option does not have any effect
      */
+    attribute_deprecated
     int debug_mv;
 #define FF_DEBUG_VIS_MV_P_FOR  0x00000001 //visualize forward predicted MVs of P frames
 #define FF_DEBUG_VIS_MV_B_FOR  0x00000002 //visualize forward predicted MVs of B frames
 #define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
+#endif
 
     /**
      * Error recognition; may misdetect some more or less valid parts as errors.
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 6c2f0904d3..0e1aa60e80 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -223,10 +223,12 @@ static const AVOption avcodec_options[] = {
 {"vis_mb_type", "visualize block types", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_MB_TYPE }, INT_MIN, INT_MAX, V|D, "debug"},
 {"buffers", "picture buffer allocations", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_BUFFERS }, INT_MIN, INT_MAX, V|D, "debug"},
 {"thread_ops", "threading operations", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_THREADS }, INT_MIN, INT_MAX, V|D, "debug"},
+#if FF_API_DEBUG_MV
 {"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, V|D, "debug_mv"},
 {"pf", "forward predicted MVs of P-frames", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_MV_P_FOR }, INT_MIN, INT_MAX, V|D, "debug_mv"},
 {"bf", "forward predicted MVs of B-frames", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_MV_B_FOR }, INT_MIN, INT_MAX, V|D, "debug_mv"},
 {"bb", "backward predicted MVs of B-frames", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_MV_B_BACK }, INT_MIN, INT_MAX, V|D, "debug_mv"},
+#endif
 {"cmp", "full-pel ME compare function", OFFSET(me_cmp), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
 {"subcmp", "sub-pel ME compare function", OFFSET(me_sub_cmp), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
 {"mbcmp", "macroblock compare function", OFFSET(mb_cmp), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index b646f66ab1..480a11584b 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -423,7 +423,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     dst->opaque   = src->opaque;
     dst->debug    = src->debug;
-    dst->debug_mv = src->debug_mv;
 
     dst->slice_flags = src->slice_flags;
     dst->flags2      = src->flags2;