arm: call arm-specific rv34dsp init functions under if (ARCH_ARM)

Assign NEON specific function pointers after runtime check via
av_get_cpu_flags().

Signed-off-by: Janne Grunau <janne-libav@jannau.net>

1 files changed, 45 insertions, 0 deletions

diff --git a/libavcodec/arm/rv34dsp_init_arm.c b/libavcodec/arm/rv34dsp_init_arm.c
new file mode 100644
index 0000000000..07f5598d05
--- /dev/null
+++ b/libavcodec/arm/rv34dsp_init_arm.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "libavcodec/avcodec.h"
+#include "libavcodec/rv34dsp.h"
+#include "libavutil/arm/cpu.h"
+
+void ff_rv34_inv_transform_noround_neon(DCTELEM *block);
+
+void ff_rv34_inv_transform_noround_dc_neon(DCTELEM *block);
+
+void ff_rv34_idct_add_neon(uint8_t *dst, ptrdiff_t stride, DCTELEM *block);
+void ff_rv34_idct_dc_add_neon(uint8_t *dst, ptrdiff_t stride, int dc);
+
+void ff_rv34dsp_init_arm(RV34DSPContext *c, DSPContext* dsp)
+{
+    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;
+    }
+}