Factorize some code into the new function ff_toupper4().

Patch by Francesco Lavra, francescolavra interfree it

Originally committed as revision 23158 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 4 insertions, 9 deletions

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index e11fee8ffc..b5631cffc3 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -30,6 +30,7 @@
 #include "libavutil/intmath.h"
 #include "avcodec.h"
 #include "dsputil.h"
+#include "internal.h"
 #include "mpegvideo.h"
 #include "mpegvideo_common.h"
 #include "mjpegenc.h"
@@ -530,15 +531,9 @@ av_cold int MPV_common_init(MpegEncContext *s)
     yc_size = y_size + 2 * c_size;
 
     /* convert fourcc to upper case */
-    s->codec_tag=          toupper( s->avctx->codec_tag     &0xFF)
-                        + (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
-                        + (toupper((s->avctx->codec_tag>>16)&0xFF)<<16)
-                        + (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
-
-    s->stream_codec_tag=          toupper( s->avctx->stream_codec_tag     &0xFF)
-                               + (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
-                               + (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16)
-                               + (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
+    s->codec_tag = ff_toupper4(s->avctx->codec_tag);
+
+    s->stream_codec_tag = ff_toupper4(s->avctx->stream_codec_tag);
 
     s->avctx->coded_frame= (AVFrame*)&s->current_picture;