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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 11:50:32 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 11:50:32 +0000 |
| commit | aafd659518356d1ae3624830a36816f154d94d83 (patch) | |
| tree | c27103156e8aa2406714a467ab97065d55239d3d /libavcodec/rdft.c | |
| parent | 0fa0fa296a40a2e96464f6378c4ec8a0abaacc15 (diff) | |
| download | ffmpeg-aafd659518356d1ae3624830a36816f154d94d83.tar.gz | |
Do not initialize ff_cos_* tables again in rdft_init, they are already
initialized by ff_fft_init and using different code can result in slightly
different values, in addition it crashes when the tables are hardcoded.
On amd64 this slightly changes qdm2 output.
Originally committed as revision 20237 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/rdft.c')
| -rw-r--r-- | libavcodec/rdft.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/libavcodec/rdft.c b/libavcodec/rdft.c index 0fe26ab01a..ed4e39aa08 100644 --- a/libavcodec/rdft.c +++ b/libavcodec/rdft.c @@ -64,7 +64,6 @@ av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans) s->tcos = ff_cos_tabs[nbits-4]; s->tsin = ff_sin_tabs[nbits-4]+(trans == RDFT || trans == IRIDFT)*(n>>2); for (i = 0; i < (n>>2); i++) { - s->tcos[i] = cos(i*theta); s->tsin[i] = sin(i*theta); } return 0; |