Saturday, October 30, 2010

DSTwo Player Official Testing Report

 DSTwo Player Final Version Official Testing Report

-------- Play RMVB in DS machine -- DStwo player testing

Supercard DStwo video player instroduction

DStwo Player is the movie play software special designed for Supercard DStwo. With a built-in CPU decoding, it can straightly play RMVB, AVI, FLV and other format video without any conversion. DStwo player alsosupports mainstream format audio play.
                              DStwo player support documents format list:
                              Video: Avi,Rm/Rmvb,Mpeg,3gp,Flv,Mov Wmv (fluently play within 480P)
                              Audio: mp3,wma,ape,flav,wav,aac,ogg,ra,m4a

                  
                                               Video playing menu of DStwo Player

                  
                                    Start menu for DStwo Player, fast and beautiful

                  
                     Select menu on upper screen, player button on bottom screen
                             
                        
                                          configure menu of DStwo Player.
                    
You can define the display model and lightness. Switch the menu bar with L or R key if you like. Menus on the bottom is designed for mentioned function, you can click touch screen to reach it.. The display model contains: original, full screen and normal display. Lightness selection is special designed for DSL and DS users. For DSi users, only “Select”, “+”, “-“ key is needed to adjust the lightness. Light default time is special for music play. You can choose 10, 20, 30 seconds or lighting all time.

                  
            Integral configure menu, default English, other language can be choosed

Play model in integral configure menu is also designed for audio play. It contains single circle, single play, circle play, sequently play, random play. English and Chines are available now, other languages are not tested. For CPU frequency, DStwo Player is different from SFC and GBA, it only has Auto and saving model for selection.
            
                   
           DStwo Player Logo appearing on the configure menu. Version on the right-up corner.
 
                  
                                          Close help menu in DStwo Player

                  
                                DStwo Player Voice menu with easy operation

Reopen the video, DStwo Player will remind users to continue last playing or not.

How about the effect of video play in DStwo Player?  We will use 2 videos for testing. Following are the file message. Video with high resolution is named video 1,  low resolution video is named video 2.
  
  
                        
                    
                               Video 1 playing in full-screen model of DStwo Player
                     
                    
                         Video 1 playing in normal mode need a short loading time
                            
                           
                                        Video 1 playing in normal model
                       
                           
                                                                    Video 1 running in DStwo Player original model

For high resolution video play in DStwo Player, the performance is not clear. Sawtooth appears in screen, even with little lag. It is clear there is a limitation of resolution in hardware. Official website suggest DStwo Player to play 640x480 pix video. As we know, the resolution of DS screen is 256x192. I believe the resolution of video should be adjusted to same as DS screen. So I do it. Check the adjusted video 2 performance.
                     
                    
                                                                 Video 2 running in Original model of DStwo Player

Good performance, without any sawtooth. The characters are clear.
                                                                       
                           
                                                                            Video 2 playing in Normal model of DStwo Player

                     
                                                                  Video 2 playing in full-screen model of DStwo Player

Except video play function, DStwo Player also supports FLAC music. Though best playing effect can’t be reached, it is comfortable for DS users. Another merit of DStwo Player is the strong capacity. While playing video, users can drag the schedule strip to adjust the proceeding without any reading time.

DSTwo Player testing sum up

What ever GBA simulator or SFC simulator, or the video player, it is only the additional function of DStwo card. The configuration of DStwo brings these benefit, by which users can enjoy more happiness in spite of DS limitation.
General speaking, this DStwo Player is no bad. It is easy to play RMVB and AVI format. No need Moonshell and DPG conversion. As FLV is not optimized, I didn’t test this format.. If Supercard DStwo offers software to convert the video form, DStwo Player will be perfect.
 
                               



DStwo Player video play performance.

                         
                                            

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