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dct: build dct32 as separate object files
This builds the float and fixed-point versions of dct32 separately instead of #including the file in dct.c and mpegaudiodec.c. Signed-off-by: Mans Rullgard <mans@mansr.com>
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1362a291c9
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@ -27,7 +27,7 @@ OBJS = allcodecs.o \
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OBJS-$(CONFIG_AANDCT) += aandcttab.o
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OBJS-$(CONFIG_AC3DSP) += ac3dsp.o
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OBJS-$(CONFIG_ENCODERS) += faandct.o jfdctfst.o jfdctint.o
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OBJS-$(CONFIG_DCT) += dct.o
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OBJS-$(CONFIG_DCT) += dct.o dct32_fixed.o dct32_float.o
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OBJS-$(CONFIG_DWT) += dwt.o
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OBJS-$(CONFIG_DXVA2) += dxva2.o
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FFT-OBJS-$(CONFIG_HARDCODED_TABLES) += cos_tables.o cos_fixed_tables.o
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@ -30,9 +30,7 @@
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#include <math.h>
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#include "libavutil/mathematics.h"
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#include "dct.h"
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#define DCT32_FLOAT
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#include "dct32.c"
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#include "dct32.h"
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/* sin((M_PI * x / (2*n)) */
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#define SIN(s,n,x) (s->costab[(n) - (x)])
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@ -210,7 +208,7 @@ av_cold int ff_dct_init(DCTContext *s, int nbits, enum DCTTransformType inverse)
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}
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}
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s->dct32 = dct32;
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s->dct32 = ff_dct32_float;
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if (HAVE_MMX) ff_dct_init_mmx(s);
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return 0;
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@ -19,10 +19,19 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifdef DCT32_FLOAT
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#include "dct32.h"
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#include "mathops.h"
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#if DCT32_FLOAT
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# define dct32 ff_dct32_float
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# define FIXHR(x) ((float)(x))
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# define MULH3(x, y, s) ((s)*(y)*(x))
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# define INTFLOAT float
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#else
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# define dct32 ff_dct32_fixed
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# define FIXHR(a) ((int)((a) * (1LL<<32) + 0.5))
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# define MULH3(x, y, s) MULH((s)*(x), y)
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# define INTFLOAT int
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#endif
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@ -103,7 +112,7 @@
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#define ADD(a, b) val##a += val##b
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/* DCT32 without 1/sqrt(2) coef zero scaling. */
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static void dct32(INTFLOAT *out, const INTFLOAT *tab)
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void dct32(INTFLOAT *out, const INTFLOAT *tab)
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{
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INTFLOAT tmp0, tmp1;
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25
libavcodec/dct32.h
Normal file
25
libavcodec/dct32.h
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@ -0,0 +1,25 @@
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_DCT32_H
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#define AVCODEC_DCT32_H
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void ff_dct32_float(float *dst, const float *src);
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void ff_dct32_fixed(int *dst, const int *src);
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#endif
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20
libavcodec/dct32_fixed.c
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20
libavcodec/dct32_fixed.c
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@ -0,0 +1,20 @@
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define DCT32_FLOAT 0
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#include "dct32.c"
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20
libavcodec/dct32_float.c
Normal file
20
libavcodec/dct32_float.c
Normal file
@ -0,0 +1,20 @@
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define DCT32_FLOAT 1
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#include "dct32.c"
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@ -29,6 +29,7 @@
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#include "get_bits.h"
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#include "dsputil.h"
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#include "mathops.h"
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#include "dct32.h"
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/*
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* TODO:
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@ -68,12 +69,6 @@
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#include "mpegaudiodata.h"
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#include "mpegaudiodectab.h"
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#if CONFIG_FLOAT
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# include "fft.h"
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#else
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# include "dct32.c"
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#endif
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static void compute_antialias(MPADecodeContext *s, GranuleDef *g);
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static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window,
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int *dither_state, OUT_INT *samples, int incr);
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@ -637,7 +632,7 @@ void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
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offset = *synth_buf_offset;
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synth_buf = synth_buf_ptr + offset;
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dct32(synth_buf, sb_samples);
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ff_dct32_fixed(synth_buf, sb_samples);
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apply_window_mp3_c(synth_buf, window, dither_state, samples, incr);
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offset = (offset - 32) & 511;
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