ARM: clean up dsputil initialisation

- Move v5 and v6 initialisation to separate files.
- Move NEON IDCT selection to ff_dsputil_init_neon()

Originally committed as revision 20163 to svn://svn.ffmpeg.org/ffmpeg/trunk

7 files changed, 145 insertions, 70 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 8aabeb909e..e1271cd804 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -487,11 +487,13 @@ OBJS-$(ARCH_ARM)                       += arm/dsputil_arm.o             \
                                           arm/mpegvideo_arm.o           \
                                           arm/simple_idct_arm.o         \
 
-OBJS-$(HAVE_ARMV5TE)                   += arm/mpegvideo_armv5te.o       \
+OBJS-$(HAVE_ARMV5TE)                   += arm/dsputil_init_armv5te.o    \
+                                          arm/mpegvideo_armv5te.o       \
                                           arm/mpegvideo_armv5te_s.o     \
                                           arm/simple_idct_armv5te.o     \
 
-OBJS-$(HAVE_ARMV6)                     += arm/simple_idct_armv6.o       \
+OBJS-$(HAVE_ARMV6)                     += arm/dsputil_init_armv6.o      \
+                                          arm/simple_idct_armv6.o       \
 
 OBJS-$(HAVE_ARMVFP)                    += arm/dsputil_vfp.o             \
                                           arm/float_arm_vfp.o           \
diff --git a/libavcodec/arm/dsputil_arm.c b/libavcodec/arm/dsputil_arm.c
index 79b484b69e..2b47d07f24 100644
--- a/libavcodec/arm/dsputil_arm.c
+++ b/libavcodec/arm/dsputil_arm.c
@@ -20,30 +20,11 @@
  */
 
 #include "libavcodec/dsputil.h"
-
-void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
-void ff_float_init_arm_vfp(DSPContext* c, AVCodecContext *avctx);
-void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx);
+#include "dsputil_arm.h"
 
 void j_rev_dct_ARM(DCTELEM *data);
 void simple_idct_ARM(DCTELEM *data);
 
-void simple_idct_armv5te(DCTELEM *data);
-void simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
-void simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
-
-void ff_simple_idct_armv6(DCTELEM *data);
-void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data);
-void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data);
-
-void ff_simple_idct_neon(DCTELEM *data);
-void ff_simple_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
-void ff_simple_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
-
-void ff_vp3_idct_neon(DCTELEM *data);
-void ff_vp3_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
-void ff_vp3_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
-
 /* XXX: local hack */
 static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
 static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
@@ -59,8 +40,6 @@ void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_
 
 void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
 
-void ff_prefetch_arm(void *mem, int stride, int h);
-
 CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
 CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
 CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
@@ -101,61 +80,21 @@ int mm_support(void)
 
 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
 {
-    int idct_algo= avctx->idct_algo;
-
     ff_put_pixels_clamped = c->put_pixels_clamped;
     ff_add_pixels_clamped = c->add_pixels_clamped;
 
     if (avctx->lowres == 0) {
-        if(idct_algo == FF_IDCT_AUTO){
-#if   HAVE_NEON
-            idct_algo = FF_IDCT_SIMPLENEON;
-#elif HAVE_ARMV6
-            idct_algo = FF_IDCT_SIMPLEARMV6;
-#elif HAVE_ARMV5TE
-            idct_algo = FF_IDCT_SIMPLEARMV5TE;
-#else
-            idct_algo = FF_IDCT_ARM;
-#endif
-        }
-
-        if(idct_algo==FF_IDCT_ARM){
+        if(avctx->idct_algo == FF_IDCT_AUTO ||
+           avctx->idct_algo == FF_IDCT_ARM){
             c->idct_put= j_rev_dct_ARM_put;
             c->idct_add= j_rev_dct_ARM_add;
             c->idct    = j_rev_dct_ARM;
             c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
-        } else if (idct_algo==FF_IDCT_SIMPLEARM){
+        } else if (avctx->idct_algo==FF_IDCT_SIMPLEARM){
             c->idct_put= simple_idct_ARM_put;
             c->idct_add= simple_idct_ARM_add;
             c->idct    = simple_idct_ARM;
             c->idct_permutation_type= FF_NO_IDCT_PERM;
-#if HAVE_ARMV6
-        } else if (idct_algo==FF_IDCT_SIMPLEARMV6){
-            c->idct_put= ff_simple_idct_put_armv6;
-            c->idct_add= ff_simple_idct_add_armv6;
-            c->idct    = ff_simple_idct_armv6;
-            c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
-#endif
-#if HAVE_ARMV5TE
-        } else if (idct_algo==FF_IDCT_SIMPLEARMV5TE){
-            c->idct_put= simple_idct_put_armv5te;
-            c->idct_add= simple_idct_add_armv5te;
-            c->idct    = simple_idct_armv5te;
-            c->idct_permutation_type = FF_NO_IDCT_PERM;
-#endif
-#if HAVE_NEON
-        } else if (idct_algo==FF_IDCT_SIMPLENEON){
-            c->idct_put= ff_simple_idct_put_neon;
-            c->idct_add= ff_simple_idct_add_neon;
-            c->idct    = ff_simple_idct_neon;
-            c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
-        } else if ((CONFIG_VP3_DECODER || CONFIG_VP5_DECODER || CONFIG_VP6_DECODER) &&
-                   idct_algo==FF_IDCT_VP3){
-            c->idct_put= ff_vp3_idct_put_neon;
-            c->idct_add= ff_vp3_idct_add_neon;
-            c->idct    = ff_vp3_idct_neon;
-            c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
-#endif
         }
     }
 
@@ -176,9 +115,8 @@ void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
     c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm;
     c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;
 
-#if HAVE_ARMV5TE
-    c->prefetch = ff_prefetch_arm;
-#endif
+    if (HAVE_ARMV5TE) ff_dsputil_init_armv5te(c, avctx);
+    if (HAVE_ARMV6)   ff_dsputil_init_armv6(c, avctx);
 
 #if HAVE_IWMMXT
     dsputil_init_iwmmxt(c, avctx);
diff --git a/libavcodec/arm/dsputil_arm.h b/libavcodec/arm/dsputil_arm.h
new file mode 100644
index 0000000000..4227820f3e
--- /dev/null
+++ b/libavcodec/arm/dsputil_arm.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * 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_ARM_DSPUTIL_H
+#define AVCODEC_ARM_DSPUTIL_H
+
+void ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx);
+void ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx);
+void ff_float_init_arm_vfp(DSPContext* c, AVCodecContext *avctx);
+void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx);
+void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
+
+#endif
diff --git a/libavcodec/arm/dsputil_init_armv5te.c b/libavcodec/arm/dsputil_init_armv5te.c
new file mode 100644
index 0000000000..ea0433c422
--- /dev/null
+++ b/libavcodec/arm/dsputil_init_armv5te.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * 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 "dsputil_arm.h"
+
+void simple_idct_armv5te(DCTELEM *data);
+void simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
+void simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data);
+
+void ff_prefetch_arm(void *mem, int stride, int h);
+
+void av_cold ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx)
+{
+    if (!avctx->lowres && (avctx->idct_algo == FF_IDCT_AUTO ||
+                           avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
+        c->idct_put= simple_idct_put_armv5te;
+        c->idct_add= simple_idct_add_armv5te;
+        c->idct    = simple_idct_armv5te;
+        c->idct_permutation_type = FF_NO_IDCT_PERM;
+    }
+
+    c->prefetch = ff_prefetch_arm;
+}
diff --git a/libavcodec/arm/dsputil_init_armv6.c b/libavcodec/arm/dsputil_init_armv6.c
new file mode 100644
index 0000000000..c8219c2a6d
--- /dev/null
+++ b/libavcodec/arm/dsputil_init_armv6.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
+ *
+ * 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 "dsputil_arm.h"
+
+void ff_simple_idct_armv6(DCTELEM *data);
+void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data);
+void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data);
+
+void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
+{
+    if (!avctx->lowres && (avctx->idct_algo == FF_IDCT_AUTO ||
+                           avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
+        c->idct_put= ff_simple_idct_put_armv6;
+        c->idct_add= ff_simple_idct_add_armv6;
+        c->idct    = ff_simple_idct_armv6;
+        c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
+    }
+}
diff --git a/libavcodec/arm/dsputil_neon.c b/libavcodec/arm/dsputil_neon.c
index 6b8b41e725..61efdf1979 100644
--- a/libavcodec/arm/dsputil_neon.c
+++ b/libavcodec/arm/dsputil_neon.c
@@ -23,6 +23,15 @@
 
 #include "libavcodec/avcodec.h"
 #include "libavcodec/dsputil.h"
+#include "dsputil_arm.h"
+
+void ff_simple_idct_neon(DCTELEM *data);
+void ff_simple_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
+void ff_simple_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
+
+void ff_vp3_idct_neon(DCTELEM *data);
+void ff_vp3_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
+void ff_vp3_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
 
 void ff_put_pixels16_neon(uint8_t *, const uint8_t *, int, int);
 void ff_put_pixels16_x2_neon(uint8_t *, const uint8_t *, int, int);
@@ -185,6 +194,23 @@ void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize);
 
 void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
 {
+    if (!avctx->lowres) {
+        if (avctx->idct_algo == FF_IDCT_AUTO ||
+            avctx->idct_algo == FF_IDCT_SIMPLENEON) {
+            c->idct_put= ff_simple_idct_put_neon;
+            c->idct_add= ff_simple_idct_add_neon;
+            c->idct    = ff_simple_idct_neon;
+            c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
+        } else if ((CONFIG_VP3_DECODER || CONFIG_VP5_DECODER ||
+                    CONFIG_VP6_DECODER) &&
+                   avctx->idct_algo == FF_IDCT_VP3) {
+            c->idct_put= ff_vp3_idct_put_neon;
+            c->idct_add= ff_vp3_idct_add_neon;
+            c->idct    = ff_vp3_idct_neon;
+            c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+        }
+    }
+
     c->put_pixels_tab[0][0] = ff_put_pixels16_neon;
     c->put_pixels_tab[0][1] = ff_put_pixels16_x2_neon;
     c->put_pixels_tab[0][2] = ff_put_pixels16_y2_neon;
diff --git a/libavcodec/arm/float_arm_vfp.c b/libavcodec/arm/float_arm_vfp.c
index 41a7c19994..d99f089f8a 100644
--- a/libavcodec/arm/float_arm_vfp.c
+++ b/libavcodec/arm/float_arm_vfp.c
@@ -19,6 +19,7 @@
  */
 
 #include "libavcodec/dsputil.h"
+#include "dsputil_arm.h"
 
 void ff_vector_fmul_vfp(float *dst, const float *src, int len);
 void ff_vector_fmul_reverse_vfp(float *dst, const float *src0,