vp3: move idct and loop filter pointers to new vp3dsp context

This moves all VP3-specific function pointers from dsputil to a
new vp3dsp context.  There is no reason to ever use the VP3 IDCT
where an MPEG2 IDCT is expected or vice versa.

Signed-off-by: Mans Rullgard <mans@mansr.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/libavcodec/arm/vp3dsp_init_arm.c b/libavcodec/arm/vp3dsp_init_arm.c
new file mode 100644
index 0000000000..ea99bfd2b3
--- /dev/null
+++ b/libavcodec/arm/vp3dsp_init_arm.c
@@ -0,0 +1,45 @@
+/*
+ * 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 "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/vp3dsp.h"
+
+void ff_vp3_idct_put_neon(uint8_t *dest, int line_size, DCTELEM *data);
+void ff_vp3_idct_add_neon(uint8_t *dest, int line_size, DCTELEM *data);
+void ff_vp3_idct_dc_add_neon(uint8_t *dest, int line_size, const DCTELEM *data);
+
+void ff_vp3_v_loop_filter_neon(uint8_t *, int, int *);
+void ff_vp3_h_loop_filter_neon(uint8_t *, int, int *);
+
+av_cold void ff_vp3dsp_init_arm(VP3DSPContext *c, int flags)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        c->idct_put      = ff_vp3_idct_put_neon;
+        c->idct_add      = ff_vp3_idct_add_neon;
+        c->idct_dc_add   = ff_vp3_idct_dc_add_neon;
+        c->v_loop_filter = ff_vp3_v_loop_filter_neon;
+        c->h_loop_filter = ff_vp3_h_loop_filter_neon;
+        c->idct_perm     = FF_TRANSPOSE_IDCT_PERM;
+    }
+}