imc: fix undefined float to int conversion

Conversion of an out of range float to int is undefined.  Clipping to
the final range first avoids such problems.  This fixes decoding on
MIPS, which handles these conversions differently from many other CPUs.

Originally committed as revision 24838 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index b54937539d..730d8218da 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -362,7 +362,7 @@ static int bit_allocation (IMCContext* q, int stream_format_code, int freebits,
         iacc = 0;
 
         for(j = (stream_format_code & 0x2)?4:0; j < BANDS; j++) {
-            cwlen = av_clip((int)((q->flcoeffs4[j] * 0.5) - summa + 0.5), 0, 6);
+            cwlen = av_clipf(((q->flcoeffs4[j] * 0.5) - summa + 0.5), 0, 6);
 
             q->bitsBandT[j] = cwlen;
             summer += q->bandWidthT[j] * cwlen;