fft: Split MDCT bits off from FFT

5 files changed, 89 insertions, 25 deletions

diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index 89ec23700b..a684c8bee0 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -21,6 +21,8 @@ OBJS-$(CONFIG_IDCTDSP)                 += arm/idctdsp_init_arm.o        \
 OBJS-$(CONFIG_FLACDSP)                 += arm/flacdsp_init_arm.o        \
                                           arm/flacdsp_arm.o
 OBJS-$(CONFIG_G722DSP)                 += arm/g722dsp_init_arm.o
+OBJS-$(CONFIG_MDCT)                    += arm/mdct_init_arm.o           \
+                                          arm/mdct_fixed_init_arm.o
 OBJS-$(CONFIG_ME_CMP)                  += arm/me_cmp_init_arm.o
 OBJS-$(CONFIG_MPEGAUDIODSP)            += arm/mpegaudiodsp_init_arm.o
 OBJS-$(CONFIG_MPEGVIDEO)               += arm/mpegvideo_arm.o
diff --git a/libavcodec/arm/fft_fixed_init_arm.c b/libavcodec/arm/fft_fixed_init_arm.c
index 1f941a163e..5132b0959f 100644
--- a/libavcodec/arm/fft_fixed_init_arm.c
+++ b/libavcodec/arm/fft_fixed_init_arm.c
@@ -26,8 +26,6 @@
 #include "libavcodec/fft.h"
 
 void ff_fft_fixed_calc_neon(FFTContext *s, FFTComplex *z);
-void ff_mdct_fixed_calc_neon(FFTContext *s, FFTSample *o, const FFTSample *i);
-void ff_mdct_fixed_calcw_neon(FFTContext *s, FFTDouble *o, const FFTSample *i);
 
 av_cold void ff_fft_fixed_init_arm(FFTContext *s)
 {
@@ -36,13 +34,5 @@ av_cold void ff_fft_fixed_init_arm(FFTContext *s)
     if (have_neon(cpu_flags)) {
         s->fft_permutation = FF_FFT_PERM_SWAP_LSBS;
         s->fft_calc        = ff_fft_fixed_calc_neon;
-
-#if CONFIG_MDCT
-        if (!s->inverse && s->nbits >= 3) {
-            s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE;
-            s->mdct_calc        = ff_mdct_fixed_calc_neon;
-            s->mdct_calcw       = ff_mdct_fixed_calcw_neon;
-        }
-#endif
     }
 }
diff --git a/libavcodec/arm/fft_init_arm.c b/libavcodec/arm/fft_init_arm.c
index b6c2fd9493..4d047eaf13 100644
--- a/libavcodec/arm/fft_init_arm.c
+++ b/libavcodec/arm/fft_init_arm.c
@@ -29,31 +29,16 @@ void ff_fft_calc_vfp(FFTContext *s, FFTComplex *z);
 void ff_fft_permute_neon(FFTContext *s, FFTComplex *z);
 void ff_fft_calc_neon(FFTContext *s, FFTComplex *z);
 
-void ff_imdct_half_vfp(FFTContext *s, FFTSample *output, const FFTSample *input);
-
-void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
-void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
-void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
-
 av_cold void ff_fft_init_arm(FFTContext *s)
 {
     int cpu_flags = av_get_cpu_flags();
 
     if (have_vfp_vm(cpu_flags)) {
         s->fft_calc     = ff_fft_calc_vfp;
-#if CONFIG_MDCT
-        s->imdct_half   = ff_imdct_half_vfp;
-#endif
     }
 
     if (have_neon(cpu_flags)) {
         s->fft_permute  = ff_fft_permute_neon;
         s->fft_calc     = ff_fft_calc_neon;
-#if CONFIG_MDCT
-        s->imdct_calc   = ff_imdct_calc_neon;
-        s->imdct_half   = ff_imdct_half_neon;
-        s->mdct_calc    = ff_mdct_calc_neon;
-        s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE;
-#endif
     }
 }
diff --git a/libavcodec/arm/mdct_fixed_init_arm.c b/libavcodec/arm/mdct_fixed_init_arm.c
new file mode 100644
index 0000000000..606c80cbf4
--- /dev/null
+++ b/libavcodec/arm/mdct_fixed_init_arm.c
@@ -0,0 +1,40 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+
+#define FFT_FLOAT 0
+#include "libavcodec/fft.h"
+
+void ff_mdct_fixed_calc_neon(FFTContext *s, FFTSample *o, const FFTSample *i);
+void ff_mdct_fixed_calcw_neon(FFTContext *s, FFTDouble *o, const FFTSample *i);
+
+av_cold void ff_mdct_fixed_init_arm(FFTContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        if (!s->inverse && s->nbits >= 3) {
+            s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE;
+            s->mdct_calc        = ff_mdct_fixed_calc_neon;
+            s->mdct_calcw       = ff_mdct_fixed_calcw_neon;
+        }
+    }
+}
diff --git a/libavcodec/arm/mdct_init_arm.c b/libavcodec/arm/mdct_init_arm.c
new file mode 100644
index 0000000000..24678dd8d0
--- /dev/null
+++ b/libavcodec/arm/mdct_init_arm.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+
+#include "libavcodec/fft.h"
+
+void ff_imdct_half_vfp(FFTContext *s, FFTSample *output, const FFTSample *input);
+
+void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
+void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input);
+
+av_cold void ff_mdct_init_arm(FFTContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_vfp_vm(cpu_flags)) {
+        s->imdct_half   = ff_imdct_half_vfp;
+    }
+
+    if (have_neon(cpu_flags)) {
+        s->imdct_calc   = ff_imdct_calc_neon;
+        s->imdct_half   = ff_imdct_half_neon;
+        s->mdct_calc    = ff_mdct_calc_neon;
+        s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE;
+    }
+}