1 files changed, 82 insertions, 0 deletions
diff --git a/third_party/webrtc/src/webrtc/common_audio/signal_processing/copy_set_operations.c b/third_party/webrtc/src/webrtc/common_audio/signal_processing/copy_set_operations.c
new file mode 100644
index 00000000..9d7cf47e
--- /dev/null
+++ b/third_party/webrtc/src/webrtc/common_audio/signal_processing/copy_set_operations.c
@@ -0,0 +1,82 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+/*
+ * This file contains the implementation of functions
+ * WebRtcSpl_MemSetW16()
+ * WebRtcSpl_MemSetW32()
+ * WebRtcSpl_MemCpyReversedOrder()
+ * WebRtcSpl_CopyFromEndW16()
+ * WebRtcSpl_ZerosArrayW16()
+ * WebRtcSpl_ZerosArrayW32()
+ *
+ * The description header can be found in signal_processing_library.h
+ *
+ */
+
+#include <string.h>
+#include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
+
+
+void WebRtcSpl_MemSetW16(int16_t *ptr, int16_t set_value, size_t length)
+{
+    size_t j;
+    int16_t *arrptr = ptr;
+
+    for (j = length; j > 0; j--)
+    {
+        *arrptr++ = set_value;
+    }
+}
+
+void WebRtcSpl_MemSetW32(int32_t *ptr, int32_t set_value, size_t length)
+{
+    size_t j;
+    int32_t *arrptr = ptr;
+
+    for (j = length; j > 0; j--)
+    {
+        *arrptr++ = set_value;
+    }
+}
+
+void WebRtcSpl_MemCpyReversedOrder(int16_t* dest,
+                                   int16_t* source,
+                                   size_t length)
+{
+    size_t j;
+    int16_t* destPtr = dest;
+    int16_t* sourcePtr = source;
+
+    for (j = 0; j < length; j++)
+    {
+        *destPtr-- = *sourcePtr++;
+    }
+}
+
+void WebRtcSpl_CopyFromEndW16(const int16_t *vector_in,
+                              size_t length,
+                              size_t samples,
+                              int16_t *vector_out)
+{
+    // Copy the last <samples> of the input vector to vector_out
+    WEBRTC_SPL_MEMCPY_W16(vector_out, &vector_in[length - samples], samples);
+}
+
+void WebRtcSpl_ZerosArrayW16(int16_t *vector, size_t length)
+{
+    WebRtcSpl_MemSetW16(vector, 0, length);
+}
+
+void WebRtcSpl_ZerosArrayW32(int32_t *vector, size_t length)
+{
+    WebRtcSpl_MemSetW32(vector, 0, length);
+}