just do IT

Before asking a question, it's a good habit to describe your intention clearly. Below is a real story happened between me and a coworker...

Streaming media refers to the capability of playing media data while the data is being transferred from server. The user doesn't need t...

Personally, I prefer wireshark to network monitor for: Wireshark runs on many platforms including windows, linux, mac os x, etc. I need t...

I read from Tomas's post that newer version windbg can't be downloaded from microsoft directly anymore. To get newer windbg, we ha...

After google moved their service from china mainland to hongkong, I can't access google.com or google.cn from mainland anymore. I always...

A problem I encountered while developing my source filter's output pin is that inside FillBuffer method, the media type and size of the...

In this post, I'll summarize some features that make directshow stand out, from a developer's point of view. The architecture of dir...

1. View graph When we render a media file, directshow uses intelligent connect to build a working graph for us. It may add some filters imp...

I've used freecommander for years. It greatly improves my efficiency. Unfortunately, for some unkonwn reasons, my freecommander configu...

Having used consolas font for a period, I felt very comfortable with it. I've used it in putty, vim, visual studio. And I tried to use i...

As described in rfc3261 , sip is a layered protocol. Its layers are shown in the image below. Unlike other sophisicated sip libiraies, exosi...

In the previous post, native programming on android , I showed how to use code sourcery toolchain to do native programming on android. But ...