Tag: bug

Windows 10 AVI Splitter bug

There were a few reports that in Windows 10 it is unable to play AVI files, which played fine in earlier versions of Windows, AVI files specifically. Windows 10 DirectShow problem Windows 10 DirectShow problem with AVI OK, the problem does exist. More to say, the problem exist in Windows component that implements AVI Splitter…

Read the full article

PolyTextOut API – Does It Work?

As MSDN says, The PolyTextOut function draws several strings using the font and text colors currently selected in the specified device context. The article also mentions ExtTextOut as a simpler sister function: To draw a single string of text, the application should call the ExtTextOut function. It looks like the API is not so Unicode friendly. Code as simple as PolyTextOut(L”Мама мыла раму”); PolyTextOut(L”Mother…

Read the full article

Media Foundation MPEG-4 Property Handler might report incorrect Video Frame Rate

To follow up previous post with Media Foundation bug, here goes another one related to property handler for MPEG-4 files (.MP4) and specific property PKEY_Video_FrameRate which reports frame rate for given media file. This is the object responsible for filling columns in explorer, or otherwise visually the bug might look like this: The values of the properties are…

Read the full article

The case of incorrect behavior of stock DirectX Media Objects

Since Microsoft Windows Vista, Media Foundation API offers a set of convenient Digital Signal Processors for video and audio processing. These include conversion helpers for video and audio, dual interfaced as Media Foundation Transforms (MFTs) and DirectX Media Objects (DMOs). Earlier posts shed some light on DMO interfaces, and use of DMOs in DirectShow graphs…

Read the full article