| Index: patched-ffmpeg-mt/libavcodec/avfft.c
|
| ===================================================================
|
| --- patched-ffmpeg-mt/libavcodec/avfft.c (revision 0)
|
| +++ patched-ffmpeg-mt/libavcodec/avfft.c (revision 0)
|
| @@ -0,0 +1,142 @@
|
| +/*
|
| + * This file is part of FFmpeg.
|
| + *
|
| + * FFmpeg is free software; you can redistribute it and/or
|
| + * modify it under the terms of the GNU Lesser General Public
|
| + * License as published by the Free Software Foundation; either
|
| + * version 2.1 of the License, or (at your option) any later version.
|
| + *
|
| + * FFmpeg is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| + * Lesser General Public License for more details.
|
| + *
|
| + * You should have received a copy of the GNU Lesser General Public
|
| + * License along with FFmpeg; if not, write to the Free Software
|
| + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| + */
|
| +
|
| +#include "libavutil/mem.h"
|
| +#include "avfft.h"
|
| +#include "fft.h"
|
| +
|
| +/* FFT */
|
| +
|
| +FFTContext *av_fft_init(int nbits, int inverse)
|
| +{
|
| + FFTContext *s = av_malloc(sizeof(*s));
|
| +
|
| + if (s)
|
| + ff_fft_init(s, nbits, inverse);
|
| +
|
| + return s;
|
| +}
|
| +
|
| +void av_fft_permute(FFTContext *s, FFTComplex *z)
|
| +{
|
| + s->fft_permute(s, z);
|
| +}
|
| +
|
| +void av_fft_calc(FFTContext *s, FFTComplex *z)
|
| +{
|
| + s->fft_calc(s, z);
|
| +}
|
| +
|
| +void av_fft_end(FFTContext *s)
|
| +{
|
| + if (s) {
|
| + ff_fft_end(s);
|
| + av_free(s);
|
| + }
|
| +}
|
| +
|
| +#if CONFIG_MDCT
|
| +
|
| +FFTContext *av_mdct_init(int nbits, int inverse, double scale)
|
| +{
|
| + FFTContext *s = av_malloc(sizeof(*s));
|
| +
|
| + if (s)
|
| + ff_mdct_init(s, nbits, inverse, scale);
|
| +
|
| + return s;
|
| +}
|
| +
|
| +void av_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input)
|
| +{
|
| + s->imdct_calc(s, output, input);
|
| +}
|
| +
|
| +void av_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input)
|
| +{
|
| + s->imdct_half(s, output, input);
|
| +}
|
| +
|
| +void av_mdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input)
|
| +{
|
| + s->mdct_calc(s, output, input);
|
| +}
|
| +
|
| +void av_mdct_end(FFTContext *s)
|
| +{
|
| + if (s) {
|
| + ff_mdct_end(s);
|
| + av_free(s);
|
| + }
|
| +}
|
| +
|
| +#endif /* CONFIG_MDCT */
|
| +
|
| +#if CONFIG_RDFT
|
| +
|
| +RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans)
|
| +{
|
| + RDFTContext *s = av_malloc(sizeof(*s));
|
| +
|
| + if (s)
|
| + ff_rdft_init(s, nbits, trans);
|
| +
|
| + return s;
|
| +}
|
| +
|
| +void av_rdft_calc(RDFTContext *s, FFTSample *data)
|
| +{
|
| + ff_rdft_calc(s, data);
|
| +}
|
| +
|
| +void av_rdft_end(RDFTContext *s)
|
| +{
|
| + if (s) {
|
| + ff_rdft_end(s);
|
| + av_free(s);
|
| + }
|
| +}
|
| +
|
| +#endif /* CONFIG_RDFT */
|
| +
|
| +#if CONFIG_DCT
|
| +
|
| +DCTContext *av_dct_init(int nbits, int inverse)
|
| +{
|
| + DCTContext *s = av_malloc(sizeof(*s));
|
| +
|
| + if (s)
|
| + ff_dct_init(s, nbits, inverse);
|
| +
|
| + return s;
|
| +}
|
| +
|
| +void av_dct_calc(DCTContext *s, FFTSample *data)
|
| +{
|
| + ff_dct_calc(s, data);
|
| +}
|
| +
|
| +void av_dct_end(DCTContext *s)
|
| +{
|
| + if (s) {
|
| + ff_dct_end(s);
|
| + av_free(s);
|
| + }
|
| +}
|
| +
|
| +#endif /* CONFIG_DCT */
|
|
|