[FFmpeg-cvslog] matroskaenc: avoid implicit truncation in avio_w*

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Oct 15 16:01:14 2012 +0200| [e377b50b2df9ea8bcaccae8ed14aa2dee56c619c] | committer: Michael Niedermayer

matroskaenc: avoid implicit truncation in avio_w*

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e377b50b2df9ea8bcaccae8ed14aa2dee56c619c
---

 libavformat/matroskaenc.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index bd1344c..2a8a2ea 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -118,7 +118,7 @@ static void put_ebml_id(AVIOContext *pb, unsigned int id)
 {
     int i = ebml_id_size(id);
     while (i--)
-        avio_w8(pb, id >> (i*8));
+        avio_w8(pb, (uint8_t)(id >> (i*8)));
 }
 
 /**
@@ -166,7 +166,7 @@ static void put_ebml_num(AVIOContext *pb, uint64_t num, int bytes)
 
     num |= 1ULL << bytes*7;
     for (i = bytes - 1; i >= 0; i--)
-        avio_w8(pb, num >> i*8);
+        avio_w8(pb, (uint8_t)(num >> i*8));
 }
 
 static void put_ebml_uint(AVIOContext *pb, unsigned int elementid, uint64_t val)
@@ -178,7 +178,7 @@ static void put_ebml_uint(AVIOContext *pb, unsigned int elementid, uint64_t val)
     put_ebml_id(pb, elementid);
     put_ebml_num(pb, bytes, 0);
     for (i = bytes - 1; i >= 0; i--)
-        avio_w8(pb, val >> i*8);
+        avio_w8(pb, (uint8_t)(val >> i*8));
 }
 
 static void put_ebml_float(AVIOContext *pb, unsigned int elementid, double val)