IStream 和 IRandomAccessStream^ 互转
IRandomAccessStream^ --> IStream: CreateStreamOverRandomAccessStream
IStream --> IRandomAccessStream^: CreateRandomAccessStreamOverStream
IStream 和 IMFByteStream 互转
IStream --> IMFByteStream: MFCreateMFByteStreamOnStream
IMFByteStream --> IStream: MFCreateStreamOnMFByteStream
IMFByteStream 和 IRandomAccessStream^ 互转
IRandomAccessStream^ --> IMFByteStream: MFCreateMFByteStreamOnStreamEx
IMFByteStream --> IRandomAccessStream^: MFCreateStreamOnMFByteStreamEx
另:
MFCreateMFByteStreamOnStreamEx 的MSDN文档有错误,第一个参数应该是 IUnknown* 而非 IUnknown ;
IRandomAccessStream^ 转为 IUnknown* 使用 reinterpret_cast<IUnknown *>() 或者 reinterpret_cast<IInspectable*>() 。
- 1楼vbfool
- 少见的MF开发啊。要做播放器还是做VOIP啊?
- Re: 小时了了
- @vbfool,播放器