Video(virtools BB模块汉语翻译及用法详解)

Video

Dx8 Video Dependency

Version 1.00 - Virtools Categorized in Video/Dependency

Description

Apply to a BEOBJECT.

Add this BB to your composition to download the DirectX 8 Video Engine in the Virtools 3D Life Player.

Technical Information

By default, no video engine is downloaded by the Virtools Web player. Add this BB to your composition to ensure the Dx8 Video Engine is downloaded by the users' Virtools Web Player. If DirectX 8 is installed, video playback will be available for your composition with the Dx8 Video Engine.

Warning

The Dx8 video engine is more compact, while video playback with a Dx9 rasterizer will be better optimised with the Dx9 Video Engine. While the Dx8 Video Dependency BB will work under a Dx9 (rasterizer). The inverse - a DX8 (rasterizer) with the Dx9 video Engine) - is incompatible, so if you use the Dx9 Video Dependency BB, you should also use the Dx8 Video Dependency.

Note: You may choose only to include the Dx8 Video Dependency BB to decrease the Web Player

installation time.

视频

DX8 视频附属

在Video/Dependency中将其分类

描述

适用于交互对象

添加这个BB到你的项目中，就可以在Virtools 3D播放器中下载DX8视频引擎。

技术信息

以默认值，没有视频引擎被下载到Virtools网络播放器中。添加这个BB 到你的项目中并确保DX8视频引擎在用户的Virtools网络播放器中。如果DX8被要求，视频的录制功能将使用DX8 视频引擎被用在你的项目中

警告

DX8视频引擎更加结实，当Dx8 Video Dependency BB在DX9下工作时，在一个DX9的光栅下录制视频时将更好的在DX9视频引擎下。所以，如果你使用Dx9 Video Dependency BB,你应该也使用DX8视频附属

提示：你可以只选择包含DX8 Video Dependency BB来减小网络播放器的使用时间。

Dx9 Video Dependency

Version 1.00 - Virtools Categorized in Video/Dependency

Description

Apply to a BEOBJECT.

Add this BB to your composition to download the DirectX 9 Video Engine in the Virtools 3D Life Player.

Technical Information

By default, no video engine is downloaded by the Virtools Web player. Add this BB to your composition to ensure the Dx9 Video Engine is downloaded by the users' Virtools 3D Life Player. If DirectX 9 (rasterizer) is installed, video playback will be available for your composition with the Dx9 Video Engine.

Warning

Video playback with a Dx9 rasterizer will be better optimised with the Dx9 Video Engine; however, the Dx8 Video Dependency BB will work under a Dx9 (rasterizer). The inverse - a DX8 (rasterizer) with the Dx9 video Engine) - is incompatible, so if you use the Dx9 Video Dependency BB, you should also use the Dx8 Video Dependency BB .

Note: You may choose only to include the Dx8 Video Dependency BB to decrease the Web Player installation time. DX9 视频附属

在Video/Dependency中将其分类

描述

适用于交互对象

添加这个BB到你的项目中，就可以在Virtools 3D播放器中下载DX9视频引擎。

技术信息

以默认值，没有视频引擎被下载到Virtools网络播放器中。添加这个BB 到你的项目中并确保DX9视频引擎在用户的Virtools网络播放器中。如果DX9被要求，视频的录制功能将使用DX9 视频引擎被用在你的项目中

警告

DX9视频引擎更加结实，当Dx8 Video Dependency BB在DX9下工作时，在一个DX9的光栅下录制视频时将更好的在DX9视频引擎下。所以，如果你使用Dx9 Video Dependency BB,你应该也使用DX8视频附属

提示：你可以只选择包含DX8 Video Dependency BB来减小网络播放器的使用时间。

Get Video Input Formats

Version 1.00 - Virtools Categorized in Video/Basic

Description

Apply to a VIDEO.

Get the available input format descriptions for the given capture ID.

AllVideoBBs.cmo

Technical Information

In: triggers the process.

Loop In: triggers the next step in the process loop.

Out: is activated when the process is completed. Loop Out: is activated when the process need to loop.

Capture ID: the BB will retrieve the available input format for the camera with this ID. Count: total number of formats available. ID: identifier for this format.

Name: video type used by this format (RGB, YUV, FOURCC...).

Size: image with and height used by this format.

Frequency: minimum and maximum frequency that is advised for this format.

Remarks

Only devices with a WDM driver (most of todays cameras provide such a driver) will return a list of available formats. For olders drivers, the BB will directly return with a format count of -1 and you won't be able to change the input format.

To modify the format used by a live video, use the Video Input Control BB.设置视频输入格式

在Video/Basic中将其分类

描述

适用于视频

获取一个可用的输入格式来描述给定的记录的ID

AllVideoBBs.cmo

技术信息

In：触发该进程

Loop In：在进程循环中触发下一步

Out：当进程完成时则被激活

Loop Out：当进程需要循环时则被激活

Capture ID：这个BB将为这个ID的摄影机重新取回可用的输入格式

Count：可用的格式的总数

ID：这个格式的识别号

Name：使用这个格式的视频的类型（RGB，YUV，FOURCC…）

Size：使用这个格式里的图片的尺寸Frequency：对这个格式建议的最小值和最大值

评论

只有WDM驱动的设备（在现有的摄影机里都有提供这样的一个驱动）将返回一个可用格式的清单。对于老一点的驱动，这个BB将直接返回一个格式计算为-1，并且你不能改变他的输入格式

来修改这个格式使用一个活的视频，使用Video Input Control BB.

Video Input Control

Version 1.00 - Virtools Categorized in Video/Controls

Description

Apply to a VIDEO.

Modify a video's input controls (runtime parameters). AllVideoBBs.cmo

Technical Information

In: activates the process.

Out: is activated if In has finished.

Error: is activated if the building block encounters an error, Error pOut giving a description of what went wrong.

Format ID: format identifier to use for the live video input (se …… 此处隐藏：25649字，全部文档内容请下载后查看。喜欢就下载吧 ……