From 676e200cfff6f94e8dae29b2410ddc894578852a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 6 Oct 2002 15:27:01 +0000
Subject: trying to fix the non-x86 IDCTs (untested)

Originally committed as revision 1006 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/Makefile               |  2 +-
 libavcodec/armv4l/dsputil_arm.c   |  2 +-
 libavcodec/armv4l/mpegvideo_arm.c | 50 +++++++++++++++++++++++++++++++++++++++
 libavcodec/mlib/dsputil_mlib.c    | 25 ++++++++++++++++----
 libavcodec/mpegvideo.c            |  4 ++++
 5 files changed, 76 insertions(+), 7 deletions(-)
 create mode 100644 libavcodec/armv4l/mpegvideo_arm.c

(limited to 'libavcodec')

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index c914bb6..c956f05 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -55,7 +55,7 @@ endif
 # armv4l specific stuff
 ifeq ($(TARGET_ARCH_ARMV4L),yes)
 ASM_OBJS += armv4l/jrevdct_arm.o
-OBJS += armv4l/dsputil_arm.o
+OBJS += armv4l/dsputil_arm.o armv4l/mpegvideo_arm.o
 endif
 
 # sun mediaLib specific stuff
diff --git a/libavcodec/armv4l/dsputil_arm.c b/libavcodec/armv4l/dsputil_arm.c
index cd362ca..66358b3 100644
--- a/libavcodec/armv4l/dsputil_arm.c
+++ b/libavcodec/armv4l/dsputil_arm.c
@@ -23,5 +23,5 @@ extern void j_rev_dct_ARM(DCTELEM *data);
 
 void dsputil_init_armv4l(void)
 {
-  ff_idct = j_rev_dct_ARM;
+//  ff_idct = j_rev_dct_ARM;
 }
diff --git a/libavcodec/armv4l/mpegvideo_arm.c b/libavcodec/armv4l/mpegvideo_arm.c
new file mode 100644
index 0000000..d54bb7a
--- /dev/null
+++ b/libavcodec/armv4l/mpegvideo_arm.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2002 Michael Niedermayer
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "../dsputil.h"
+#include "../mpegvideo.h"
+#include "../avcodec.h"
+
+extern void j_rev_dct_ARM(DCTELEM *data);
+
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+   converted */
+static void arm_idct_put(UINT8 *dest, int line_size, DCTELEM *block)
+{
+    j_rev_dct_ARM (block);
+    put_pixels_clamped(block, dest, line_size);
+}
+static void arm_idct_add(UINT8 *dest, int line_size, DCTELEM *block)
+{
+    j_rev_dct_ARM (block);
+    add_pixels_clamped(block, dest, line_size);
+}
+
+void MPV_common_init_armv4l(MpegEncContext *s)
+{
+    int i;
+    const int idct_algo= s->avctx->idct_algo;
+
+    if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){
+        s->idct_put= arm_idct_put;
+        s->idct_add= arm_idct_add;
+        for(i=0; i<64; i++)
+            s->idct_permutation[i]= i;
+    }
+}
diff --git a/libavcodec/mlib/dsputil_mlib.c b/libavcodec/mlib/dsputil_mlib.c
index 1701efd..5cfc5bf 100644
--- a/libavcodec/mlib/dsputil_mlib.c
+++ b/libavcodec/mlib/dsputil_mlib.c
@@ -112,12 +112,18 @@ static void add_pixels_clamped_mlib(const DCTELEM *block, UINT8 *pixels, int lin
     mlib_VideoAddBlock_U8_S16(pixels, (mlib_s16 *)block, line_size);
 }
 
-
-void ff_idct_mlib(DCTELEM *data)
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+   converted */
+static void mlib_idct_put(UINT8 *dest, int line_size, DCTELEM *block)
 {
     mlib_VideoIDCT8x8_S16_S16 (data, data);
+    put_pixels_clamped(block, dest, line_size);
+}
+static void mlib_idct_add(UINT8 *dest, int line_size, DCTELEM *block)
+{
+    mlib_VideoIDCT8x8_S16_S16 (data, data);
+    add_pixels_clamped(block, dest, line_size);
 }
-
 
 void ff_fdct_mlib(DCTELEM *data)
 {
@@ -126,8 +132,6 @@ void ff_fdct_mlib(DCTELEM *data)
 
 void dsputil_init_mlib(void)
 {
-    ff_idct = ff_idct_mlib;
-
     put_pixels_tab[1][0] = put_pixels_mlib;
     put_pixels_tab[1][1] = put_pixels_x2_mlib;
     put_pixels_tab[1][2] = put_pixels_y2_mlib;
@@ -145,7 +149,18 @@ void dsputil_init_mlib(void)
 
 void MPV_common_init_mlib(MpegEncContext *s)
 {
+    int i;
+    const int idct_algo= s->avctx->idct_algo;
+
     if(s->avctx->dct_algo==FF_DCT_AUTO || s->avctx->dct_algo==FF_DCT_MLIB){
 	s->fdct = ff_fdct_mlib;
     }
+
+    if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_MLIB){
+        s->idct_put= mlib_idct_put;
+        s->idct_add= mlib_idct_add;
+        for(i=0; i<64; i++)
+            s->idct_permutation[i]= i;
+    }
+
 }
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 229874b..5785e85 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -218,6 +218,10 @@ int DCT_common_init(MpegEncContext *s)
 #ifdef HAVE_MMI
     MPV_common_init_mmi(s);
 #endif
+#ifdef ARCH_ARMV4L
+    MPV_common_init_armv4l();
+#endif
+
 
     /* load & permutate scantables
        note: only wmv uses differnt ones 
-- 
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