1 files changed, 62 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/sparc/dsputil_vis.c b/ffmpeg1/libavcodec/sparc/dsputil_vis.c
new file mode 100644
index 0000000..9c3494b
--- /dev/null
+++ b/ffmpeg1/libavcodec/sparc/dsputil_vis.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2003 David S. Miller <davem@redhat.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
+ */
+
+/* The *no_round* functions have been added by James A. Morrison, 2003,2004.
+   The vis code from libmpeg2 was adapted for libavcodec by James A. Morrison.
+ */
+
+#include "config.h"
+
+#include <inttypes.h>
+
+#include "libavutil/attributes.h"
+#include "libavcodec/dsputil.h"
+#include "libavutil/mem.h"
+#include "dsputil_vis.h"
+
+#include "vis.h"
+
+#define ACCEL_SPARC_VIS 1
+#define ACCEL_SPARC_VIS2 2
+
+static int vis_level(void)
+{
+    int accel = 0;
+    accel |= ACCEL_SPARC_VIS;
+    accel |= ACCEL_SPARC_VIS2;
+    return accel;
+}
+
+/* libavcodec initialization code */
+av_cold void ff_dsputil_init_vis(DSPContext *c, AVCodecContext *avctx)
+{
+  /* VIS-specific optimizations */
+  int accel = vis_level ();
+  const int high_bit_depth = avctx->bits_per_raw_sample > 8;
+
+  if (accel & ACCEL_SPARC_VIS && !high_bit_depth) {
+      if (avctx->idct_algo == FF_IDCT_SIMPLEVIS) {
+          c->idct_put = ff_simple_idct_put_vis;
+          c->idct_add = ff_simple_idct_add_vis;
+          c->idct     = ff_simple_idct_vis;
+          c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
+      }
+  }
+}