[FFmpeg-cvslog] avcodec/mpegvideo_enc: Clear mmx state in ff_mpv_reallocate_putbitbuffer()

[Michael Niedermayer]

ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Fri Oct 21 14:05:00 2016 +0200| [6456a7416e8f04f75752ce6174372e2fc6271a80] | committer: Michael Niedermayer

avcodec/mpegvideo_enc: Clear mmx state in ff_mpv_reallocate_putbitbuffer()

This function must be called from the mb or slice encoding loop and MMX state may not
be clean there

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 03ec6b780cfae85b8bf0f32b2eda201063ad061b)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6456a7416e8f04f75752ce6174372e2fc6271a80
---

 libavcodec/mpegvideo_enc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 87d7954..30d2e2c 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -2911,6 +2911,8 @@ int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t s
             return AVERROR(ENOMEM);
         }
 
+        emms_c();
+
         av_fast_padded_malloc(&new_buffer, &new_buffer_size,
                               s->avctx->internal->byte_buffer_size + size_increase);
         if (!new_buffer)