diff options
Diffstat (limited to 'src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs')
| -rw-r--r-- | src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs | 63 |
1 files changed, 35 insertions, 28 deletions
diff --git a/src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs b/src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs index 05dd2162..b95e5bed 100644 --- a/src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs +++ b/src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs @@ -1,5 +1,7 @@ using Ryujinx.Common; +using Ryujinx.Common.Memory; using System; +using System.Buffers; namespace Ryujinx.Audio.Backends.Common { @@ -12,7 +14,8 @@ namespace Ryujinx.Audio.Backends.Common private readonly object _lock = new(); - private byte[] _buffer; + private IMemoryOwner<byte> _bufferOwner; + private Memory<byte> _buffer; private int _size; private int _headOffset; private int _tailOffset; @@ -21,7 +24,8 @@ namespace Ryujinx.Audio.Backends.Common public DynamicRingBuffer(int initialCapacity = RingBufferAlignment) { - _buffer = new byte[initialCapacity]; + _bufferOwner = ByteMemoryPool.RentCleared(initialCapacity); + _buffer = _bufferOwner.Memory; } public void Clear() @@ -33,6 +37,11 @@ namespace Ryujinx.Audio.Backends.Common public void Clear(int size) { + if (size == 0) + { + return; + } + lock (_lock) { if (size > _size) @@ -40,11 +49,6 @@ namespace Ryujinx.Audio.Backends.Common size = _size; } - if (size == 0) - { - return; - } - _headOffset = (_headOffset + size) % _buffer.Length; _size -= size; @@ -58,28 +62,31 @@ namespace Ryujinx.Audio.Backends.Common private void SetCapacityLocked(int capacity) { - byte[] buffer = new byte[capacity]; + IMemoryOwner<byte> newBufferOwner = ByteMemoryPool.RentCleared(capacity); + Memory<byte> newBuffer = newBufferOwner.Memory; if (_size > 0) { if (_headOffset < _tailOffset) { - Buffer.BlockCopy(_buffer, _headOffset, buffer, 0, _size); + _buffer.Slice(_headOffset, _size).CopyTo(newBuffer); } else { - Buffer.BlockCopy(_buffer, _headOffset, buffer, 0, _buffer.Length - _headOffset); - Buffer.BlockCopy(_buffer, 0, buffer, _buffer.Length - _headOffset, _tailOffset); + _buffer[_headOffset..].CopyTo(newBuffer); + _buffer[.._tailOffset].CopyTo(newBuffer[(_buffer.Length - _headOffset)..]); } } - _buffer = buffer; + _bufferOwner.Dispose(); + + _bufferOwner = newBufferOwner; + _buffer = newBuffer; _headOffset = 0; _tailOffset = _size; } - - public void Write<T>(T[] buffer, int index, int count) + public void Write(ReadOnlySpan<byte> buffer, int index, int count) { if (count == 0) { @@ -99,17 +106,17 @@ namespace Ryujinx.Audio.Backends.Common if (tailLength >= count) { - Buffer.BlockCopy(buffer, index, _buffer, _tailOffset, count); + buffer.Slice(index, count).CopyTo(_buffer.Span[_tailOffset..]); } else { - Buffer.BlockCopy(buffer, index, _buffer, _tailOffset, tailLength); - Buffer.BlockCopy(buffer, index + tailLength, _buffer, 0, count - tailLength); + buffer.Slice(index, tailLength).CopyTo(_buffer.Span[_tailOffset..]); + buffer.Slice(index + tailLength, count - tailLength).CopyTo(_buffer.Span); } } else { - Buffer.BlockCopy(buffer, index, _buffer, _tailOffset, count); + buffer.Slice(index, count).CopyTo(_buffer.Span[_tailOffset..]); } _size += count; @@ -117,8 +124,13 @@ namespace Ryujinx.Audio.Backends.Common } } - public int Read<T>(T[] buffer, int index, int count) + public int Read(Span<byte> buffer, int index, int count) { + if (count == 0) + { + return 0; + } + lock (_lock) { if (count > _size) @@ -126,14 +138,9 @@ namespace Ryujinx.Audio.Backends.Common count = _size; } - if (count == 0) - { - return 0; - } - if (_headOffset < _tailOffset) { - Buffer.BlockCopy(_buffer, _headOffset, buffer, index, count); + _buffer.Span.Slice(_headOffset, count).CopyTo(buffer[index..]); } else { @@ -141,12 +148,12 @@ namespace Ryujinx.Audio.Backends.Common if (tailLength >= count) { - Buffer.BlockCopy(_buffer, _headOffset, buffer, index, count); + _buffer.Span.Slice(_headOffset, count).CopyTo(buffer[index..]); } else { - Buffer.BlockCopy(_buffer, _headOffset, buffer, index, tailLength); - Buffer.BlockCopy(_buffer, 0, buffer, index + tailLength, count - tailLength); + _buffer.Span.Slice(_headOffset, tailLength).CopyTo(buffer[index..]); + _buffer.Span[..(count - tailLength)].CopyTo(buffer[(index + tailLength)..]); } } |
