Deprecate CODEC_FLAG2_STRICT_GOP.
---
 libavcodec/avcodec.h       |    2 +-
 libavcodec/mpegvideo.h     |    2 ++
 libavcodec/mpegvideo_enc.c |    4 +++-
 libavcodec/options.c       |    4 +++-
 4 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 0623c1c..fdbb1ab 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -567,10 +567,10 @@ typedef struct RcOverride{
 #define CODEC_FLAG_INTERLACED_ME  0x20000000 ///< interlaced motion estimation
 #define CODEC_FLAG_CLOSED_GOP     0x80000000
 #define CODEC_FLAG2_FAST          0x00000001 ///< Allow non spec compliant 
speedup tricks.
-#define CODEC_FLAG2_STRICT_GOP    0x00000002 ///< Strictly enforce GOP size.
 #define CODEC_FLAG2_NO_OUTPUT     0x00000004 ///< Skip bitstream encoding.
 #define CODEC_FLAG2_LOCAL_HEADER  0x00000008 ///< Place global headers at 
every keyframe instead of in extradata.
 #if FF_API_MPV_GLOBAL_OPTS
+#define CODEC_FLAG2_STRICT_GOP    0x00000002 ///< Strictly enforce GOP size.
 #define CODEC_FLAG2_SKIP_RD       0x00004000 ///< RD optimal MB level residual 
skipping
 #endif
 #define CODEC_FLAG2_CHUNKS        0x00008000 ///< Input bitstream might be 
truncated at a packet boundaries instead of only at frame boundaries.
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 674acea..8a6b245 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -700,12 +700,14 @@ typedef struct MpegEncContext {
 
 /* mpegvideo_enc common options */
 #define FF_MPV_FLAG_SKIP_RD      0x0001
+#define FF_MPV_FLAG_STRICT_GOP   0x0002
 
 #define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
 #define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
 #define FF_MPV_COMMON_OPTS \
 { "mpv_flags",      "Flags common for all mpegvideo-based encoders.", 
FF_MPV_OFFSET(mpv_flags), FF_OPT_TYPE_FLAGS, { 0 }, INT_MIN, INT_MAX, 
FF_MPV_OPT_FLAGS, "mpv_flags" },\
 { "skip_rd",        "RD optimal MB level residual skipping", 0, 
FF_OPT_TYPE_CONST, { FF_MPV_FLAG_SKIP_RD },    0, 0, FF_MPV_OPT_FLAGS, 
"mpv_flags" },\
+{ "strict_gop",     "Strictly enforce gop size",             0, 
FF_OPT_TYPE_CONST, { FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, 
"mpv_flags" },
 
 extern const AVOption ff_mpv_generic_options[];
 
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 8e502ed..d21ced7 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -614,6 +614,8 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
 #if FF_API_MPV_GLOBAL_OPTS
     if (avctx->flags2 & CODEC_FLAG2_SKIP_RD)
         s->mpv_flags |= FF_MPV_FLAG_SKIP_RD;
+    if (avctx->flags2 & CODEC_FLAG2_STRICT_GOP)
+        s->mpv_flags |= FF_MPV_FLAG_STRICT_GOP;
 #endif
 
     switch (avctx->codec->id) {
@@ -1300,7 +1302,7 @@ static int select_input_picture(MpegEncContext *s)
             }
 
             if (s->picture_in_gop_number + b_frames >= s->gop_size) {
-                if ((s->flags2 & CODEC_FLAG2_STRICT_GOP) &&
+                if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) &&
                     s->gop_size > s->picture_in_gop_number) {
                     b_frames = s->gop_size - s->picture_in_gop_number - 1;
                 } else {
diff --git a/libavcodec/options.c b/libavcodec/options.c
index fb48030..8374f9d 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -102,7 +102,9 @@ static const AVOption options[]={
 {"ilme", "interlaced motion estimation", 0, AV_OPT_TYPE_CONST, {.dbl = 
CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V|E, "flags"},
 {"cgop", "closed gop", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CLOSED_GOP }, 
INT_MIN, INT_MAX, V|E, "flags"},
 {"fast", "allow non spec compliant speedup tricks", 0, AV_OPT_TYPE_CONST, 
{.dbl = CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V|E, "flags2"},
-{"sgop", "strictly enforce gop size", 0, AV_OPT_TYPE_CONST, {.dbl = 
CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
+#if FF_API_MPV_GLOBAL_OPTS
+{"sgop", "Deprecated, use mpegvideo private options instead", 0, 
AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, 
"flags2"},
+#endif
 {"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.dbl = 
CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
 {"local_header", "place global headers at every keyframe instead of in 
extradata", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, 
INT_MAX, V|E, "flags2"},
 {"sub_id", NULL, OFFSET(sub_id), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, 
INT_MAX},
-- 
1.7.9

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