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https://github.com/danog/libtgvoip.git
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5caaaafa42
I'm now using the entire audio processing module from WebRTC as opposed to individual DSP algorithms pulled from there before. Seems to work better this way.
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_MEMORY_ALIGNED_MALLOC_H_
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#define RTC_BASE_MEMORY_ALIGNED_MALLOC_H_
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// The functions declared here
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// 1) Allocates block of aligned memory.
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// 2) Re-calculates a pointer such that it is aligned to a higher or equal
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// address.
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// Note: alignment must be a power of two. The alignment is in bytes.
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#include <stddef.h>
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namespace webrtc {
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// Returns a pointer to the first boundry of |alignment| bytes following the
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// address of |ptr|.
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// Note that there is no guarantee that the memory in question is available.
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// |ptr| has no requirements other than it can't be NULL.
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void* GetRightAlign(const void* ptr, size_t alignment);
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// Allocates memory of |size| bytes aligned on an |alignment| boundry.
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// The return value is a pointer to the memory. Note that the memory must
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// be de-allocated using AlignedFree.
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void* AlignedMalloc(size_t size, size_t alignment);
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// De-allocates memory created using the AlignedMalloc() API.
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void AlignedFree(void* mem_block);
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// Templated versions to facilitate usage of aligned malloc without casting
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// to and from void*.
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template <typename T>
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T* GetRightAlign(const T* ptr, size_t alignment) {
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return reinterpret_cast<T*>(
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GetRightAlign(reinterpret_cast<const void*>(ptr), alignment));
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}
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template <typename T>
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T* AlignedMalloc(size_t size, size_t alignment) {
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return reinterpret_cast<T*>(AlignedMalloc(size, alignment));
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}
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// Deleter for use with unique_ptr. E.g., use as
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// std::unique_ptr<Foo, AlignedFreeDeleter> foo;
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struct AlignedFreeDeleter {
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inline void operator()(void* ptr) const { AlignedFree(ptr); }
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};
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} // namespace webrtc
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#endif // RTC_BASE_MEMORY_ALIGNED_MALLOC_H_
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