dsputil: Split off IDCT bits into their own context

1 files changed, 53 insertions, 0 deletions

diff --git a/libavcodec/arm/idctdsp_init_neon.c b/libavcodec/arm/idctdsp_init_neon.c
new file mode 100644
index 0000000000..17905973fb
--- /dev/null
+++ b/libavcodec/arm/idctdsp_init_neon.c
@@ -0,0 +1,53 @@
+/*
+ * ARM-NEON-optimized IDCT functions
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ *
+ * 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 "libavcodec/avcodec.h"
+#include "libavcodec/idctdsp.h"
+#include "idctdsp_arm.h"
+
+void ff_simple_idct_neon(int16_t *data);
+void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
+void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
+
+void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
+void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
+void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
+
+av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx,
+                                  unsigned high_bit_depth)
+{
+    if (!high_bit_depth) {
+        if (avctx->idct_algo == FF_IDCT_AUTO ||
+            avctx->idct_algo == FF_IDCT_SIMPLENEON) {
+            c->idct_put              = ff_simple_idct_put_neon;
+            c->idct_add              = ff_simple_idct_add_neon;
+            c->idct                  = ff_simple_idct_neon;
+            c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
+        }
+    }
+
+    c->add_pixels_clamped        = ff_add_pixels_clamped_neon;
+    c->put_pixels_clamped        = ff_put_pixels_clamped_neon;
+    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
+}