1 files changed, 55 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/aarch64/idctdsp_init_aarch64.c b/media/ffvpx/libavcodec/aarch64/idctdsp_init_aarch64.c
new file mode 100644
index 0000000000..eec21aa5a2
--- /dev/null
+++ b/media/ffvpx/libavcodec/aarch64/idctdsp_init_aarch64.c
@@ -0,0 +1,55 @@
+/*
+ * ARM-NEON-optimized IDCT functions
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ * Copyright (c) 2017 Matthieu Bouron <matthieu.bouron@gmail.com>
+ *
+ * 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 "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/idctdsp.h"
+#include "idct.h"
+
+void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
+void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
+void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
+
+av_cold void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        if (!avctx->lowres && !high_bit_depth) {
+            if (avctx->idct_algo == FF_IDCT_AUTO ||
+                avctx->idct_algo == FF_IDCT_SIMPLEAUTO ||
+                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->perm_type = FF_IDCT_PERM_PARTTRANS;
+            }
+        }
+
+        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;
+    }
+}