avcodec/takdec: add x86 SIMD for rest of decorrelation modes

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/libavcodec/takdsp.h b/libavcodec/takdsp.h
new file mode 100644
index 0000000000..c05b5741a4
--- /dev/null
+++ b/libavcodec/takdsp.h
@@ -0,0 +1,34 @@
+/*
+ * 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_TAKDSP_H
+#define AVCODEC_TAKDSP_H
+
+#include <stdint.h>
+
+typedef struct TAKDSPContext {
+    void (*decorrelate_ls)(int32_t *p1, int32_t *p2, int length);
+    void (*decorrelate_sr)(int32_t *p1, int32_t *p2, int length);
+    void (*decorrelate_sm)(int32_t *p1, int32_t *p2, int length);
+    void (*decorrelate_sf)(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor);
+} TAKDSPContext;
+
+void ff_takdsp_init(TAKDSPContext *c);
+void ff_takdsp_init_x86(TAKDSPContext *c);
+
+#endif /* AVCODEC_TAKDSP_H */