lavc/aarch64: add ff_simple_idct{,_add,_put}_neon functions

libavcodec/aarch64/Makefile

@@ -36,6 +36,8 @@ NEON-OBJS-$(CONFIG_H264PRED)            += aarch64/h264pred_neon.o
 NEON-OBJS-$(CONFIG_H264QPEL)            += aarch64/h264qpel_neon.o             \
                                            aarch64/hpeldsp_neon.o
 NEON-OBJS-$(CONFIG_HPELDSP)             += aarch64/hpeldsp_neon.o
+NEON-OBJS-$(CONFIG_IDCTDSP)             += aarch64/idctdsp_init_aarch64.o      \
+                                           aarch64/simple_idct_neon.o
 NEON-OBJS-$(CONFIG_MDCT)                += aarch64/mdct_neon.o
 NEON-OBJS-$(CONFIG_MPEGAUDIODSP)        += aarch64/mpegaudiodsp_neon.o
 

libavcodec/aarch64/idct.h

+/*
+ * 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
+ */
+
+#ifndef AVCODEC_AARCH64_IDCT_H
+#define AVCODEC_AARCH64_IDCT_H
+
+#include <stdint.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);
+
+#endif /* AVCODEC_AARCH64_IDCT_H */

libavcodec/aarch64/idctdsp_init_aarch64.c

+/*
+ * 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 "libavcodec/avcodec.h"
+#include "libavcodec/idctdsp.h"
+#include "idct.h"
+
+av_cold void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
+                                     unsigned high_bit_depth)
+{
+    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;
+        }
+    }
+}

libavcodec/idctdsp.c

@@ -297,6 +297,8 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
     if (CONFIG_MPEG4_DECODER && avctx->idct_algo == FF_IDCT_XVID)
         ff_xvid_idct_init(c, avctx);
 
+    if (ARCH_AARCH64)
+        ff_idctdsp_init_aarch64(c, avctx, high_bit_depth);
     if (ARCH_ALPHA)
         ff_idctdsp_init_alpha(c, avctx, high_bit_depth);
     if (ARCH_ARM)

libavcodec/idctdsp.h

@@ -100,6 +100,8 @@ extern void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrd
 
 void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx);
 
+void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
+                             unsigned high_bit_depth);
 void ff_idctdsp_init_alpha(IDCTDSPContext *c, AVCodecContext *avctx,
                            unsigned high_bit_depth);
 void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,