qianqianjingt

simple virtual piano keyboard

vc——使用MediePlay AcriveX控件创建媒体播放器MyMediaPlay(vc- Use MediePlay AcriveX controls to create media player MyMediaPlay)

说明：  用VC编的基于DirectSound的声音播放器，适合多媒体学习之用(VC series based on the voice of DirectSound players, suitable for use multimedia learning)

vs2005编译通过，基于VLC的播放器，能快进和后退和音量调节(Compiled by VS2005, based on VLC player, can fast-forward and rewind and volume regulation)

rgb顺序的视频图片转换为bgr格式的方法，曾经困扰了我一阵子(rgb sequence of video images converted to bgr format, had bothered me for a while)

说明：  C语言编写的MPG4解码程序，包括完整的解码及编码就结构，适合学习MPG4的相关数据结构及处理流程，(C language MPG4 codec procedures, including a complete decoding and encoding on the structure, MPG4 for learning the structure and the related data processing,)

这是一个API绘图小程序，使用C++作为开发工具，在VC下就可以运行(This is a small program drawing API, using C++ as a development tool, can run under VC)

说明：  多媒体播放器是一个多媒体应用，能够播放声音、视频剪辑和图形图像。 该应用程序还可以录制和播放高通PureVoice音频剪辑。 该播放器包括标准的MediaPlayer控制，如播放，快进，快退，停止，暂停和录制。 多媒体播放器支持各种各样的音频，视频和图形格式， 包括MPEG-3，MIDI，BREW的压缩图像（BCI），位图（BMP）和分组模式数据（PMD）。 (MediaPlayer is a multimedia application capable of playing sound and video clips, and displaying still graphic images. The application can also record and play back QUALCOMM PureVoice (QCP® ) audio clips if you have the appropriate CMX® DLLs loaded. Up to 32 multimedia files can be stored for use with this application. MediaPlayer includes standard controls, such as play, fast forward, rewind, stop, pause, and record. MediaPlayer supports a wide variety of audio, video, and still graphic formats including QCP, MPEG Audio Layer 3 (MP3), Musical Instrument Digital Interface (MIDI), BREW Compressed Image (BCI), Bitmap (BMP), and Packet Mode Data (PMD), which contains both audio and video.)

应用Vc中的Active movie控件制作简单的播放器，能够控制播放.可以播放Avi格式的视频，以及大部分的音频文件(Application of Vc in the Active movie control to create a simple player that can control the playback, adjust the volume, can play Avi video format, and most of the audio file)

多媒体播放程序，可以播放图片，影片，网页。(Multimedia player, you can play pictures, videos, web pages.)