Added old abandoned version of k9copy

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k9copy@1091546 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 128 insertions, 0 deletions

diff --git a/k9decmpeg/cpu_state.cpp b/k9decmpeg/cpu_state.cpp
new file mode 100755
index 0000000..f767c76
--- /dev/null
+++ b/k9decmpeg/cpu_state.cpp
@@ -0,0 +1,128 @@
+/*
+ * cpu_state.c
+ * Copyright (C) 2000-2003 Michel Lespinasse <[email protected]>
+ * Copyright (C) 1999-2000 Aaron Holtzman <[email protected]>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpeg2dec 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+#include "k9common.h"
+#include <stdlib.h>
+
+#include "mpeg2.h"
+#include "attributes.h"
+#include "mpeg2_internal.h"
+#ifdef ARCH_X86
+#include "mmx.h"
+#endif
+
+void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL;
+void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL;
+
+#ifdef ARCH_X86
+static void state_restore_mmx (cpu_state_t * state)
+{
+    emms ();
+}
+#endif
+
+#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC_H	/* gnu */
+#define LI(a,b) "li " #a "," #b "\n\t"
+#define STVX0(a,b,c) "stvx " #a ",0," #c "\n\t"
+#define STVX(a,b,c) "stvx " #a "," #b "," #c "\n\t"
+#define LVX0(a,b,c) "lvx " #a ",0," #c "\n\t"
+#define LVX(a,b,c) "lvx " #a "," #b "," #c "\n\t"
+#else			/* apple */
+#define LI(a,b) "li r" #a "," #b "\n\t"
+#define STVX0(a,b,c) "stvx v" #a ",0,r" #c "\n\t"
+#define STVX(a,b,c) "stvx v" #a ",r" #b ",r" #c "\n\t"
+#define LVX0(a,b,c) "lvx v" #a ",0,r" #c "\n\t"
+#define LVX(a,b,c) "lvx v" #a ",r" #b ",r" #c "\n\t"
+#endif
+
+static void state_save_altivec (cpu_state_t * state)
+{
+    asm (LI (9, 16)
+	 STVX0 (20, 0, 3)
+	 LI (11, 32)
+	 STVX (21, 9, 3)
+	 LI (9, 48)
+	 STVX (22, 11, 3)
+	 LI (11, 64)
+	 STVX (23, 9, 3)
+	 LI (9, 80)
+	 STVX (24, 11, 3)
+	 LI (11, 96)
+	 STVX (25, 9, 3)
+	 LI (9, 112)
+	 STVX (26, 11, 3)
+	 LI (11, 128)
+	 STVX (27, 9, 3)
+	 LI (9, 144)
+	 STVX (28, 11, 3)
+	 LI (11, 160)
+	 STVX (29, 9, 3)
+	 LI (9, 176)
+	 STVX (30, 11, 3)
+	 STVX (31, 9, 3));
+}
+
+static void state_restore_altivec (cpu_state_t * state)
+{
+    asm (LI (9, 16)
+	 LVX0 (20, 0, 3)
+	 LI (11, 32)
+	 LVX (21, 9, 3)
+	 LI (9, 48)
+	 LVX (22, 11, 3)
+	 LI (11, 64)
+	 LVX (23, 9, 3)
+	 LI (9, 80)
+	 LVX (24, 11, 3)
+	 LI (11, 96)
+	 LVX (25, 9, 3)
+	 LI (9, 112)
+	 LVX (26, 11, 3)
+	 LI (11, 128)
+	 LVX (27, 9, 3)
+	 LI (9, 144)
+	 LVX (28, 11, 3)
+	 LI (11, 160)
+	 LVX (29, 9, 3)
+	 LI (9, 176)
+	 LVX (30, 11, 3)
+	 LVX (31, 9, 3));
+}
+#endif
+
+void mpeg2_cpu_state_init (uint32_t accel)
+{
+#ifdef ARCH_X86
+    if (accel & MPEG2_ACCEL_X86_MMX) {
+	mpeg2_cpu_state_restore = state_restore_mmx;
+    }
+#endif
+#ifdef ARCH_PPC
+    if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
+	mpeg2_cpu_state_save = state_save_altivec;
+	mpeg2_cpu_state_restore = state_restore_altivec;
+    }
+#endif
+}