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| author | Måns Rullgård <mans@mansr.com> | 2010-03-20 21:27:03 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-03-20 21:27:03 +0000 |
| commit | 2881c83127c680defd1d596200897dd6b6db7977 (patch) | |
| tree | e5648157f06e6958560b05c2a5a10d8c490785a3 /libavcodec/fft.h | |
| parent | b297129bdb0e779824db9b50440570212df58353 (diff) | |
| download | ffmpeg-2881c83127c680defd1d596200897dd6b6db7977.tar.gz | |
Call rdft by function pointer
Call the RDFT by a function pointer like other FFT related transforms.
This makes instruction set optimized versions possible.
Based on patch by Alex Converse.
Originally committed as revision 22609 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/fft.h')
| -rw-r--r-- | libavcodec/fft.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/fft.h b/libavcodec/fft.h index 636f76b824..0c13bb634a 100644 --- a/libavcodec/fft.h +++ b/libavcodec/fft.h @@ -196,6 +196,7 @@ struct RDFTContext { const FFTSample *tcos; SINTABLE_CONST FFTSample *tsin; FFTContext fft; + void (*rdft_calc)(struct RDFTContext *s, FFTSample *z); }; /** @@ -204,9 +205,13 @@ struct RDFTContext { * @param trans the type of transform */ int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans); -void ff_rdft_calc(RDFTContext *s, FFTSample *data); void ff_rdft_end(RDFTContext *s); +static av_always_inline void ff_rdft_calc(RDFTContext *s, FFTSample *data) +{ + s->rdft_calc(s, data); +} + /* Discrete Cosine Transform */ struct DCTContext { |