[FFmpeg-cvslog] avcodec/motion_est: Attempt to fix "short data segment overflowed" on IA64

[Michael Niedermayer]

ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Fri Jan 15 23:58:51 2016 +0100| [4e4afe29b9893c577e80c9c5fed0f2dd23b6e17e] | committer: Michael Niedermayer

avcodec/motion_est: Attempt to fix "short data segment overflowed" on IA64

This decreases the MV related encoding table sizes
This should have little effect on real world video encoding performance

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit d7c75a5db0cf3674e1a5c3e51ac024ef2ef6f09f)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4e4afe29b9893c577e80c9c5fed0f2dd23b6e17e
---

 libavcodec/motion_est.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/motion_est.h b/libavcodec/motion_est.h
index 6c0c674..0f236b4 100644
--- a/libavcodec/motion_est.h
+++ b/libavcodec/motion_est.h
@@ -29,7 +29,11 @@
 
 struct MpegEncContext;
 
+#if ARCH_IA64 // Limit static arrays to avoid gcc failing "short data segment overflowed"
+#define MAX_MV 1024
+#else
 #define MAX_MV 4096
+#endif
 #define MAX_DMV (2*MAX_MV)
 
 #define FF_ME_ZERO 0