1 files changed, 86 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/arm/dsputil_init_arm.c b/ffmpeg/libavcodec/arm/dsputil_init_arm.c
new file mode 100644
index 0000000..68991fa
--- /dev/null
+++ b/ffmpeg/libavcodec/arm/dsputil_init_arm.c
@@ -0,0 +1,86 @@
+/*
+ * ARM optimized DSP utils
+ * 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 "libavutil/attributes.h"
+#include "libavutil/arm/cpu.h"
+#include "dsputil_arm.h"
+
+void ff_j_rev_dct_arm(int16_t *data);
+void ff_simple_idct_arm(int16_t *data);
+
+/* XXX: local hack */
+static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
+static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
+
+void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
+                               int line_size);
+
+/* XXX: those functions should be suppressed ASAP when all IDCTs are
+   converted */
+static void j_rev_dct_arm_put(uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_j_rev_dct_arm (block);
+    ff_put_pixels_clamped(block, dest, line_size);
+}
+static void j_rev_dct_arm_add(uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_j_rev_dct_arm (block);
+    ff_add_pixels_clamped(block, dest, line_size);
+}
+static void simple_idct_arm_put(uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_simple_idct_arm (block);
+    ff_put_pixels_clamped(block, dest, line_size);
+}
+static void simple_idct_arm_add(uint8_t *dest, int line_size, int16_t *block)
+{
+    ff_simple_idct_arm (block);
+    ff_add_pixels_clamped(block, dest, line_size);
+}
+
+av_cold void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    ff_put_pixels_clamped = c->put_pixels_clamped;
+    ff_add_pixels_clamped = c->add_pixels_clamped;
+
+    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
+        if(avctx->idct_algo == FF_IDCT_AUTO ||
+           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->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
+        } 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->idct_permutation_type = FF_NO_IDCT_PERM;
+        }
+    }
+
+    c->add_pixels_clamped = ff_add_pixels_clamped_arm;
+
+    if (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
+    if (have_armv6(cpu_flags))   ff_dsputil_init_armv6(c, avctx);
+    if (have_neon(cpu_flags))    ff_dsputil_init_neon(c, avctx);
+}