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| author | Måns Rullgård <mans@mansr.com> | 2010-03-07 21:47:44 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-03-07 21:47:44 +0000 |
| commit | 41ea18fb0db3c22943458e23d604158f2c95d4ca (patch) | |
| tree | 91152cc29a4c953d1b483018956f9dcbd761eb8e /libavcodec/rdft.c | |
| parent | 3bd8a2ef6c39caba25627ec6a608a15d07f3f8bb (diff) | |
Give RDFT types more meaningful names
Originally committed as revision 22290 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/rdft.c')
| -rw-r--r-- | libavcodec/rdft.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/rdft.c b/libavcodec/rdft.c index d5293e5e69..8878e744cf 100644 --- a/libavcodec/rdft.c +++ b/libavcodec/rdft.c @@ -53,21 +53,21 @@ av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans) { int n = 1 << nbits; int i; - const double theta = (trans == RDFT || trans == IRIDFT ? -1 : 1)*2*M_PI/n; + const double theta = (trans == DFT_R2C || trans == DFT_C2R ? -1 : 1)*2*M_PI/n; s->nbits = nbits; - s->inverse = trans == IRDFT || trans == IRIDFT; - s->sign_convention = trans == RIDFT || trans == IRIDFT ? 1 : -1; + s->inverse = trans == IDFT_C2R || trans == DFT_C2R; + s->sign_convention = trans == IDFT_R2C || trans == DFT_C2R ? 1 : -1; if (nbits < 4 || nbits > 16) return -1; - if (ff_fft_init(&s->fft, nbits-1, trans == IRDFT || trans == RIDFT) < 0) + if (ff_fft_init(&s->fft, nbits-1, trans == IDFT_C2R || trans == IDFT_R2C) < 0) return -1; ff_init_ff_cos_tabs(nbits); s->tcos = ff_cos_tabs[nbits]; - s->tsin = ff_sin_tabs[nbits]+(trans == RDFT || trans == IRIDFT)*(n>>2); + s->tsin = ff_sin_tabs[nbits]+(trans == DFT_R2C || trans == DFT_C2R)*(n>>2); #if !CONFIG_HARDCODED_TABLES for (i = 0; i < (n>>2); i++) { s->tsin[i] = sin(i*theta); |