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avcodec/snowenc: Clear MMX state after edge drawing and picture encode

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Fixes undefined behavior from calling libc allocation with unclean FPU state.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-10-21 15:10:48 +02:00
parent de0cd0ffc9
commit 2c1d38d1e1
1 changed files with 2 additions and 0 deletions
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2
libavcodec/snowenc.c
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@ -1640,6 +1640,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
s->current_picture->linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift, s->current_picture->linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM); EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
} }
emms_c();
} }
ff_snow_frame_start(s); ff_snow_frame_start(s);
@ -1856,6 +1857,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
} }
} }
emms_c();
update_last_header_values(s); update_last_header_values(s);