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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 18:04:55 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 18:04:55 +0000 |
| commit | 75df2edbb915f5faa0ee67d8d36d94a68e584fc0 (patch) | |
| tree | 170a54282e94ee78425588bd88a3ab68d80723a9 /libavcodec/rdft.c | |
| parent | 4ee726b67097dcba8435f78235953389dac4e06e (diff) | |
| download | ffmpeg-75df2edbb915f5faa0ee67d8d36d94a68e584fc0.tar.gz | |
Add support for hardcoded ff_sin_* tables.
Originally committed as revision 20244 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/rdft.c')
| -rw-r--r-- | libavcodec/rdft.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/rdft.c b/libavcodec/rdft.c index 5d3a07c146..01aef872c2 100644 --- a/libavcodec/rdft.c +++ b/libavcodec/rdft.c @@ -27,6 +27,7 @@ */ /* sin(2*pi*x/n) for 0<=x<n/4, followed by n/2<=x<3n/4 */ +#if !CONFIG_HARDCODED_TABLES SINTABLE(16); SINTABLE(32); SINTABLE(64); @@ -40,7 +41,8 @@ SINTABLE(8192); SINTABLE(16384); SINTABLE(32768); SINTABLE(65536); -FFTSample * const ff_sin_tabs[] = { +#endif +SINTABLE_CONST FFTSample * const ff_sin_tabs[] = { ff_sin_16, ff_sin_32, ff_sin_64, ff_sin_128, ff_sin_256, ff_sin_512, ff_sin_1024, ff_sin_2048, ff_sin_4096, ff_sin_8192, ff_sin_16384, ff_sin_32768, ff_sin_65536, }; @@ -63,9 +65,11 @@ 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); +#if !CONFIG_HARDCODED_TABLES for (i = 0; i < (n>>2); i++) { s->tsin[i] = sin(i*theta); } +#endif return 0; } |