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authorPaul B Mahol <onemda@gmail.com>2015-10-05 12:28:41 +0200
committerPaul B Mahol <onemda@gmail.com>2015-10-09 21:38:15 +0200
commit35af7add6fac7f926d0cbb5724f36f0fe5022488 (patch)
tree038c8d9a54b192093ed2c05b679a80ee6e0fa673 /libavcodec/x86/takdsp_init.c
parent2f4374fae135afeee84f987c8fab8cbad1c7fcc7 (diff)
avcodec/takdec: add x86 SIMD for rest of decorrelation modes
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/x86/takdsp_init.c')
-rw-r--r--libavcodec/x86/takdsp_init.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/libavcodec/x86/takdsp_init.c b/libavcodec/x86/takdsp_init.c
new file mode 100644
index 0000000000..555d0649c9
--- /dev/null
+++ b/libavcodec/x86/takdsp_init.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2015 Paul B Mahol
+ *
+ * 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 "libavcodec/takdsp.h"
+#include "libavutil/x86/cpu.h"
+#include "config.h"
+
+void ff_tak_decorrelate_ls_sse2(int32_t *p1, int32_t *p2, int length);
+void ff_tak_decorrelate_sr_sse2(int32_t *p1, int32_t *p2, int length);
+void ff_tak_decorrelate_sm_sse2(int32_t *p1, int32_t *p2, int length);
+void ff_tak_decorrelate_sf_sse4(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor);
+
+av_cold void ff_takdsp_init_x86(TAKDSPContext *c)
+{
+#if HAVE_YASM
+ int cpu_flags = av_get_cpu_flags();
+
+ if (EXTERNAL_SSE2(cpu_flags)) {
+ c->decorrelate_ls = ff_tak_decorrelate_ls_sse2;
+ c->decorrelate_sr = ff_tak_decorrelate_sr_sse2;
+ c->decorrelate_sm = ff_tak_decorrelate_sm_sse2;
+ }
+
+ if (EXTERNAL_SSE4(cpu_flags)) {
+ c->decorrelate_sf = ff_tak_decorrelate_sf_sse4;
+ }
+#endif
+}