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imc: fix undefined float to int conversion

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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
This commit is contained in:
Måns Rullgård 2010-08-19 16:51:26 +00:00
parent b42c483f07
commit dd5f3238c1
1 changed files with 1 additions and 1 deletions
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libavcodec/imc.c
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@ -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;