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avcodec/aacdec_fixed: Fix preparation for resampler 

2nd channel makes sense only for CPE type.

Skip 2nd channel in preparation for resampler (in spectral_to _sample())
depending on block type.

Fixes fate failure with clang ftrapv.

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Nedeljko Babic 2015-07-29 16:46:18 +02:00 committed by Michael Niedermayer
parent d64ba25a4d
commit 902bfa5b22
1 changed files with 2 additions and 1 deletions
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3
libavcodec/aacdec_template.c
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@ -2750,7 +2750,8 @@ static void spectral_to_sample(AACContext *ac, int samples)
/* preparation for resampler */
for(j = 0; j<samples; j++){
che->ch[0].ret[j] = (int32_t)av_clipl_int32((int64_t)che->ch[0].ret[j]<<7)+0x8000;
che->ch[1].ret[j] = (int32_t)av_clipl_int32((int64_t)che->ch[1].ret[j]<<7)+0x8000;
if(type == TYPE_CPE)
che->ch[1].ret[j] = (int32_t)av_clipl_int32((int64_t)che->ch[1].ret[j]<<7)+0x8000;
}
}
#endif /* USE_FIXED */