[FFmpeg-cvslog] avfilter: Add missing emms_c when needed

[Luca Barbato]

ffmpeg | branch: release/1.1 | Luca Barbato <lu_zero at gentoo.org> | Wed Mar  5 10:41:33 2014 +0100| [b1432e905d462198a8d7834b256848f2b9e4f8e6] | committer: Sean McGovern

avfilter: Add missing emms_c when needed

Arch specific calls should have an emms_c following to keep the cpu
state consistent.

Reported-By: wm4
CC: libav-stable at libav.org
(cherry picked from commit e995cf1bccc6e91bbaa6a8771e23fb3ab259c110)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b1432e905d462198a8d7834b256848f2b9e4f8e6
---

 libavfilter/af_volume.c  |    2 ++
 libavfilter/vf_gradfun.c |    1 +
 libavfilter/vf_hqdn3d.c  |    1 +
 3 files changed, 4 insertions(+)

diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index 3f3ad47..c8e8897 100644
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -282,6 +282,8 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)
         }
     }
 
+    emms_c();
+
     if (buf != out_buf)
         avfilter_unref_buffer(buf);
 
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 79e1490..b9fd50f 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -117,6 +117,7 @@ static void filter(GradFunContext *ctx, uint8_t *dst, uint8_t *src, int width, i
         ctx->filter_line(dst + y * dst_linesize, src + y * src_linesize, dc - r / 2, width, thresh, dither[y & 7]);
         if (++y >= height) break;
     }
+    emms_c();
 }
 
 static av_cold int init(AVFilterContext *ctx, const char *args)
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index e2d90d5..ae794d8 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -155,6 +155,7 @@ static void denoise_depth(HQDN3DContext *hqdn3d,
     else
         denoise_temporal(src, dst, frame_ant,
                          w, h, sstride, dstride, temporal, depth);
+    emms_c();
 }
 
 #define denoise(...) \