diff ffmpeg/libavcodec/arm/rv34dsp_init_arm.c @ 10:6840f77b83aa

commit
author Yading Song <yading.song@eecs.qmul.ac.uk>
date Sun, 21 Apr 2013 10:55:35 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ffmpeg/libavcodec/arm/rv34dsp_init_arm.c	Sun Apr 21 10:55:35 2013 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
+ *
+ * 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 <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/rv34dsp.h"
+#include "libavutil/arm/cpu.h"
+
+void ff_rv34_inv_transform_noround_neon(int16_t *block);
+
+void ff_rv34_inv_transform_noround_dc_neon(int16_t *block);
+
+void ff_rv34_idct_add_neon(uint8_t *dst, ptrdiff_t stride, int16_t *block);
+void ff_rv34_idct_dc_add_neon(uint8_t *dst, ptrdiff_t stride, int dc);
+
+av_cold void ff_rv34dsp_init_arm(RV34DSPContext *c)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        c->rv34_inv_transform    = ff_rv34_inv_transform_noround_neon;
+        c->rv34_inv_transform_dc = ff_rv34_inv_transform_noround_dc_neon;
+
+        c->rv34_idct_add    = ff_rv34_idct_add_neon;
+        c->rv34_idct_dc_add = ff_rv34_idct_dc_add_neon;
+    }
+}