Runtime Quality Attributes For Windows Media Player Computer Science Essay

Published:

This report defines the relationship on the bases of the questionnaire asked to the clients in between different attributes of quality assurance. The following requirement study will further detail the functional areas like plug in usage market shares and windows media player version supports identified in this report.

At the completion of this report it will help the users an easy way to measures the quality assurance attributes in graphical format. It will provide information about the different functionality of WMP Version 7 or later.

Windows Media Player (abbreviated WMP) is a proprietary digital media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as on Pocket PC and Windows Mobile-based devices. Editions of Windows Media Player were also released for Mac OS, Mac OS X and Solaris but development of these has since been discontinued.

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In addition to being a media player, Windows Media Player includes the ability to rip music from and copy music to compact discs, burn recordable discs in Audio CD format or as data discs with playlists such as an MP3 CD, synchronize content with a digital audio player (MP3 player) or other mobile devices, and enable users to purchase or rent music from a number of online music stores.

Windows Media Player replaced an earlier application called Media Player, adding features beyond simple video or audio playback.

Windows Media Player 12 is the most recent version of Windows Media Player as of July 2009. It was released in July 22, 2009 [3] along with Windows 7 and has not been released for previous versions of Windows.[4]

Windows Media Player 11 is available for Windows XP and included in Windows Vista and Windows Server 2008. The default file formats are Windows Media Video (WMV), Windows Media Audio (WMA), and Advanced Systems Format (ASF), and supports its own XML based playlist format called Windows Playlist (WPL). The player is also able to utilize a digital rights management service in the form of Windows Media DRM.

Windows Media Player 11 gives you more music and more choices, and for the first time makes it possible to sync high-quality music, video, and photos to the latest portable device.

Analysis

Below are some questions which are asked to some clients of WMP. In next step on the basis of these questions we draw graphs which compare the relationships between different attributes of quality assurance.

Functionality

Do Media Player allows files of each type to be played

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Is Media Player equally good for Audio and Video File Formats

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Do Media Player supports visualizations

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Features universal brightness, contrast, saturation and hue adjustments and pixel aspect ratio for all playable video formats

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Integrates web-browsing support to browse online music stores, shop for music and tune to internet radio stations

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Performance / Efficiency

As compared to other media players, window media player has high latency and lower frames per second

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Window Media Player makes extensive use of resources like processor and memory as compared to other Media Players like Jet Audio etc

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Using Multimedia Class Scheduler Service (MMCSS), Windows Media Player boosts up the CPU and also increase the I/O priority of thread. Have you noticed significant performance by installing this feature

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Security

Does Media Players support extensive configurable privacy and security settings

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Windows Media Player contained a coding error that permitted "remote code execution if a user opened a specially crafted media file". What do you think about the significance of this bug? Is it highly critical?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Availability &Reliability

11.

12.

Does WMP halts when we open more then one videos at the same time?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Do WMP available to run any picture format like mp3,mp4 or mpeg?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Usability

13.

Does Media Players provides Full keyboard-based operation, in case user has no mouse or any problem or want quick operation

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

14.

Does Media Player provides files to be played by drag and drop

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Portability

15.

Do the WMP run on all platforms?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

16.

Can WMP be accessed through networking on same or different platforms?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

17.

Can we move the .exe file of WMP from one to another place by copying on USB?

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Interoperability

18.

Support for any media codec and container format

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

19.

Does Media Player provides universal brightness, contrast, saturation and hue adjustments and pixel aspect ratio for ALL PLAYABLE VIDEO FORMATS

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

20.

Does Windows media Player has its versions for Mobile, Mac OS etc

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Windows Media Player

Windows Media Player Plugin Usage Market Share

This report displays usage data for the Windows Media Player plugin. The report is broken down by the version of Media Player that is supported. This is very important information for web developers and designers to consider when implementing video on web sites. We only list versions that have amassed at least 0.1% of the market share during the selected time period.

Windows Media Player Version Support

Windows Media Player Plugin Support by Subversion (Trend Analysis)

The data below is based upon the market share for the Windows Media Player version(s) we selected. Please remember that we only display Media Player versions that tallied at least 0.1% of the overall market share for these selected versions:

Version 9, Version 10 and Version 11.

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Total Clients = 100

Attribute Name

Strongly Recommend

Recommend

Agree

Disagree

Strongly Disagree

Functionality

90%

3%

5%

1%

1%

Performance

85%

5%

7%

3%

0%

Security

80%

5%

10%

3%

2%

Availability/ Reliability

88%

5%

6%

1%

0%

Usability

85%

5%

7%

3%

0%

Portability

76%

10%

4%

5%

5%

Interoperatability

80%

5%

10%

3%

2%

Conclusion

From the analysis of the above chart we can say that there is very little difference in between different attributes of quality assurance. But Performance is more percentage as compares to others. So we can say that performance vise its best.