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libavcodec: Implementation of 32 bit fixed point FFT

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Iterative implementation of 32 bit fixed point split-radix FFT.
Max FFT that can be calculated currently is 2^12.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Nedeljko Babic
2013-06-03 16:11:12 +02:00
committed by Michael Niedermayer
parent 27cc3e72f8
commit 18d7074b4e
19 changed files with 543 additions and 36 deletions
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libavcodec/mips/Makefile
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@@ -9,7 +9,6 @@ MIPSFPU-OBJS-$(CONFIG_AMRWB_DECODER) += mips/acelp_filters_mips.o \
mips/acelp_vectors_mips.o
MIPSFPU-OBJS-$(CONFIG_MPEGAUDIODSP) += mips/mpegaudiodsp_mips_float.o
MIPSDSPR1-OBJS-$(CONFIG_MPEGAUDIODSP) += mips/mpegaudiodsp_mips_fixed.o
OBJS-$(CONFIG_FFT) += mips/fft_init_table.o
MIPSFPU-OBJS-$(CONFIG_FFT) += mips/fft_mips.o
MIPSFPU-OBJS += mips/fmtconvert_mips.o
OBJS-$(CONFIG_AC3DSP) += mips/ac3dsp_mips.o