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Diffstat (limited to 'libavcodec/armv4l/mpegvideo_arm.c')
-rw-r--r--libavcodec/armv4l/mpegvideo_arm.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/armv4l/mpegvideo_arm.c b/libavcodec/armv4l/mpegvideo_arm.c
new file mode 100644
index 0000000000..d54bb7a37e
--- /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;
+ }
+}