Move per-arch fft init bits into the corresponding subdirs

Originally committed as revision 19864 to svn://svn.ffmpeg.org/ffmpeg/trunk

4 files changed, 82 insertions, 0 deletions

diff --git a/libavcodec/x86/fft.c b/libavcodec/x86/fft.c
new file mode 100644
index 0000000000..2c46c6361b
--- /dev/null
+++ b/libavcodec/x86/fft.c
@@ -0,0 +1,44 @@
+/*
+ * 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 "libavcodec/dsputil.h"
+#include "fft.h"
+
+av_cold void ff_fft_init_mmx(FFTContext *s)
+{
+#if HAVE_YASM
+    int has_vectors = mm_support();
+    if (has_vectors & FF_MM_SSE && HAVE_SSE) {
+        /* SSE for P3/P4/K8 */
+        s->imdct_calc  = ff_imdct_calc_sse;
+        s->imdct_half  = ff_imdct_half_sse;
+        s->fft_permute = ff_fft_permute_sse;
+        s->fft_calc    = ff_fft_calc_sse;
+    } else if (has_vectors & FF_MM_3DNOWEXT && HAVE_AMD3DNOWEXT) {
+        /* 3DNowEx for K7 */
+        s->imdct_calc = ff_imdct_calc_3dn2;
+        s->imdct_half = ff_imdct_half_3dn2;
+        s->fft_calc   = ff_fft_calc_3dn2;
+    } else if (has_vectors & FF_MM_3DNOW && HAVE_AMD3DNOW) {
+        /* 3DNow! for K6-2/3 */
+        s->imdct_calc = ff_imdct_calc_3dn;
+        s->imdct_half = ff_imdct_half_3dn;
+        s->fft_calc   = ff_fft_calc_3dn;
+    }
+#endif
+}
diff --git a/libavcodec/x86/fft.h b/libavcodec/x86/fft.h
new file mode 100644
index 0000000000..1345144741
--- /dev/null
+++ b/libavcodec/x86/fft.h
@@ -0,0 +1,36 @@
+/*
+ * 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
+ */
+
+#ifndef AVCODEC_X86_FFT_H
+#define AVCODEC_X86_FFT_H
+
+#include "libavcodec/dsputil.h"
+
+void ff_fft_permute_sse(FFTContext *s, FFTComplex *z);
+void ff_fft_calc_sse(FFTContext *s, FFTComplex *z);
+void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z);
+void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z);
+
+void ff_imdct_calc_3dn(MDCTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_half_3dn(MDCTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output, const FFTSample *input);
+void ff_imdct_half_sse(MDCTContext *s, FFTSample *output, const FFTSample *input);
+
+#endif
diff --git a/libavcodec/x86/fft_3dn2.c b/libavcodec/x86/fft_3dn2.c
index 1f30edc99d..c20e2dd2c8 100644
--- a/libavcodec/x86/fft_3dn2.c
+++ b/libavcodec/x86/fft_3dn2.c
@@ -21,6 +21,7 @@
 
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/dsputil.h"
+#include "fft.h"
 
 DECLARE_ALIGNED_8(static const int, m1m1[2]) = { 1<<31, 1<<31 };
 
diff --git a/libavcodec/x86/fft_sse.c b/libavcodec/x86/fft_sse.c
index e6cb3dce65..cf2c48b1fa 100644
--- a/libavcodec/x86/fft_sse.c
+++ b/libavcodec/x86/fft_sse.c
@@ -21,6 +21,7 @@
 
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/dsputil.h"
+#include "fft.h"
 
 DECLARE_ALIGNED(16, static const int, m1m1m1m1[4]) =
     { 1 << 31, 1 << 31, 1 << 31, 1 << 31 };