1 files changed, 94 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c
new file mode 100644
index 0000000000..ebc90e4b49
--- /dev/null
+++ b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c
@@ -0,0 +1,94 @@
+/*
+ * ARM-optimized IDCT functions
+ * Copyright (c) 2001 Lionel Ulmer
+ *
+ * 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 <stddef.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/idctdsp.h"
+#include "idct.h"
+#include "idctdsp_arm.h"
+
+void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
+                               ptrdiff_t line_size);
+
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+ * converted */
+static void j_rev_dct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+                              int16_t *block)
+{
+    ff_j_rev_dct_arm(block);
+    ff_put_pixels_clamped_c(block, dest, line_size);
+}
+
+static void j_rev_dct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+                              int16_t *block)
+{
+    ff_j_rev_dct_arm(block);
+    ff_add_pixels_clamped_arm(block, dest, line_size);
+}
+
+static void simple_idct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+                                int16_t *block)
+{
+    ff_simple_idct_arm(block);
+    ff_put_pixels_clamped_c(block, dest, line_size);
+}
+
+static void simple_idct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+                                int16_t *block)
+{
+    ff_simple_idct_arm(block);
+    ff_add_pixels_clamped_arm(block, dest, line_size);
+}
+
+av_cold void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,
+                                 unsigned high_bit_depth)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (!avctx->lowres && !high_bit_depth) {
+        if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & AV_CODEC_FLAG_BITEXACT)) ||
+            avctx->idct_algo == FF_IDCT_ARM) {
+            c->idct_put  = j_rev_dct_arm_put;
+            c->idct_add  = j_rev_dct_arm_add;
+            c->idct      = ff_j_rev_dct_arm;
+            c->perm_type = FF_IDCT_PERM_LIBMPEG2;
+        } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM) {
+            c->idct_put  = simple_idct_arm_put;
+            c->idct_add  = simple_idct_arm_add;
+            c->idct      = ff_simple_idct_arm;
+            c->perm_type = FF_IDCT_PERM_NONE;
+        }
+    }
+
+    c->add_pixels_clamped = ff_add_pixels_clamped_arm;
+
+    if (have_armv5te(cpu_flags))
+        ff_idctdsp_init_armv5te(c, avctx, high_bit_depth);
+    if (have_armv6(cpu_flags))
+        ff_idctdsp_init_armv6(c, avctx, high_bit_depth);
+    if (have_neon(cpu_flags))
+        ff_idctdsp_init_neon(c, avctx, high_bit_depth);
+}