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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-09 05:55:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-09 06:02:34 +0200 |
| commit | 1e83e6ad7a8b5d6994c50f531c30f25f787f0c0e (patch) | |
| tree | f94b7aa63b03cf43ee7029f38a45a066cf1e0b6a /libavcodec/ra144.c | |
| parent | 03f5043f5d13446f3a8af4a838a4e614190d2a51 (diff) | |
| download | ffmpeg-1e83e6ad7a8b5d6994c50f531c30f25f787f0c0e.tar.gz | |
ra144: fix code with ftrapv.
A better solution is welcome!
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ra144.c')
| -rw-r--r-- | libavcodec/ra144.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index aa683785c9..3b24740b97 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -1567,8 +1567,14 @@ int ff_eval_refl(int *refl, const int16_t *coefs, AVCodecContext *avctx) b = -2; b = 0x1000000 / b; - for (j=0; j <= i; j++) + for (j=0; j <= i; j++) { +#if CONFIG_FTRAPV + int a = bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12); + if((int)(a*(unsigned)b) != a*(int64_t)b) + return 1; +#endif bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * b) >> 12; + } if ((unsigned) bp1[i] + 0x1000 > 0x1fff) return 1; |