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第 10 章 多媒体应用程序设计 PowerPoint PPT Presentation


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第 10 章 多媒体应用程序设计. 音视频操作是多媒体控制的主要内容。 本章将分别讲述音频和视频两种操作各自的实现过程。. 主要包括以下两个方面: ● 通过 Windows 的组件功能,利用软件提供的音视频播放器为自己的程序轻松实现音视频播放功能; ● 利用比较底层的 Windows API 音视频操作函数。. 本章给出较为详细的实例向读者展示 Windows 对音视频等多媒体操作的基本功能和主要过程,可以加深读者对 Windows 音视频操作的理解,为将来深入了解 Windows 多媒体控制提供基础。. 10.1.

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第 10 章 多媒体应用程序设计

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10



Windows

Windows API


WindowsWindowsWindows


10.1

10.2

10.3


10.1

WindowsWindowsMessageBeep()Windows API


Windows

Windows


WindowsWindows Media Player

10-1Windows Media Player

10-1 Windows Media Player10-1


10-1 1


1Windows Media Player

  • 1Windows Media Player


10-2 ActiveX


10-3 1


  • 2Windows Media Player


10-4

IDEWindows Media Player


10-5

IDEWindows Media Player


2Windows Media Player

Windows Media Player

10-1Windows Media Player


  • 1

  • 2

  • 3

  • 4


  • 10.1.2 MessageBeep()

    MessageBeep()Windows

    10-6


10-6


MessageBeep()

BOOL MessageBeep(

UINT uType

);


10-1uType


  • 10.1.3 API

    Windows Media PlayerMessageBeep()


WindowsAPIPlaySound()MCI


1PlaySound()

PlaySound()WAV

BOOL PlaySound(

LPCSTR pszSound,

HMODULE hmod,

DWORD fdwSound

);


2MCI

10-2 AudioPlayer


10-7 AudioPlayer


  • 1mciSendCommand()

  • 2

  • 3

  • 4

  • 5

  • 6

  • 7

  • 8

  • 9


10.2

WindowsAPI



  • 10.2.1

    Windows

    Windows


WindowsWindows Media PlayerReal Player


10.1.1Windows Media PlayerWindows Media Player


Windows Media Player

Real Player


1Windows Media Player

2Windows Media Player

3Windows Media Player


  • 1

  • 2

  • 3

  • 4


  • 10.2.2 MCIWnd

    Windows APIMCIWnd


MCIWndVFWVideo For Windows

VFW WindowsAPI


WindowsVFWVFW


MCIWndMIDIVCRCD


Visual C++MCIWnd

MCIWnd

10-3 VideoPlayer


10-8 VideoPlayer


1MFCWnd

2

3

4

5

6


7

8MCIWnd

9MCIWnd


  • 1

  • 2

  • 3

  • 4


10MCIWnd

  • 1

  • 2


WindowsWindows


MessageBeep()PlaySound()MCI

MCIWnd


WindowsWindows


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