upload sdk

git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
5801 changed files with 1688660 additions and 0 deletions
--- a/contrib/sdk/sources/ffmpeg/libavcodec/arm/fmtconvert_init_arm.c
+++ b/contrib/sdk/sources/ffmpeg/libavcodec/arm/fmtconvert_init_arm.c
@@ -0,0 +1,65 @@
+/*
+ * ARM optimized Format Conversion Utils
+ *
+ * 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 <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/arm/cpu.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/fmtconvert.h"
+
+void ff_int32_to_float_fmul_scalar_neon(float *dst, const int32_t *src,
+                                        float mul, int len);
+
+void ff_int32_to_float_fmul_scalar_vfp(float *dst, const int32_t *src,
+                                       float mul, int len);
+void ff_int32_to_float_fmul_array8_vfp(FmtConvertContext *c, float *dst,
+                                       const int32_t *src, const float *mul,
+                                       int len);
+
+void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
+void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
+
+void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
+
+av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_vfp(cpu_flags)) {
+        if (!have_vfpv3(cpu_flags)) {
+            c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_vfp;
+            c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_vfp;
+        }
+
+        if (have_armv6(cpu_flags)) {
+            c->float_to_int16 = ff_float_to_int16_vfp;
+        }
+    }
+
+    if (have_neon(cpu_flags)) {
+        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
+
+        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+            c->float_to_int16            = ff_float_to_int16_neon;
+            c->float_to_int16_interleave = ff_float_to_int16_interleave_neon;
+        }
+    }
+}