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How does QWebKit play a flash?

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  • F Offline
    F Offline
    frank.fang.kun
    wrote on last edited by
    #1

    Hi guys,

    I am using Qt 4.7.1 and hope to use QWebView to open a web site that has some flash source files.
    My code like this:

    @QWebView* webView = new QWebView;
    webView->settings()->setAttribute(QWebSettings::PluginEnabled, true);
    webView->load(QUrl("http://news.sina.com.cn/"));
    webView->show();@

    The above code can work on Windows. But, on Mac, I see some icons(a box with a question mark on it). Obviously, it is failed to load the plug-in. However, as the matter of fact, I installed the plug-in in "/Library/Internet Plug-Ins/Flash Player.plugin". And, I can open this website with Safari/Firefox on Mac OS. By the way, my Mac is iMac and OS is 10.6.6.

    I don't know what is wrong in my code. Could you give me some help? Thank you so much.

    • Frank

    EDIT: added @ tag (vcsala)

    Frank | Frank.Fang.Kun@gmail.com

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    • R Offline
      R Offline
      rmccarthy
      wrote on last edited by
      #2

      Hi Frank,

      I had a similar problem recently. My issue was that I was running my app as 64-bit and the flash plugin is 32-bit, so they cannot interact.

      I'm using Python and PyQt, so my solution is probably different to yours, but you'll need to make sure your application compiles as 32-bit and possibly Qt as well (although this may have been compiled to support both architectures)

      Hope this helps,
      Rory

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      • F Offline
        F Offline
        frank.fang.kun
        wrote on last edited by
        #3

        Hi Rory,

        Thanks for your response.

        Yes, my application is 64bit. The installed flash plug-in is 32bit. I guess that it could be the reason. But, my application must run as 64bit. So, :-(.

        However, my Safari is 64bit. Why can it play flash? I searched this question on Internet. Some people think that I should lunch WebKitPluginHost.app. Through this host application, access 32bit flash plugin. Your idea? And, how do I lunch it in Qt? Could you help me? Thank you so much. Maybe, I should install a 64bit flash plugin. But, I don't search it on Internet. Does flash plugin have 64bit version?

        • Frank

        Frank | Frank.Fang.Kun@gmail.com

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        • F Offline
          F Offline
          frank.fang.kun
          wrote on last edited by
          #4

          I gdb my application. There is the error:


          Error loading /Library/Internet
          Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player:
          dlopen(/Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash
          Player, 262): no suitable image found. Did find:
          /Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player:
          no matching architecture in universal wrapper

          Frank | Frank.Fang.Kun@gmail.com

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          • R Offline
            R Offline
            rmccarthy
            wrote on last edited by
            #5

            Hi Frank,

            As far as I know, there is no version of flash for 64-bit architectures.

            I don't know what the solution to your problem is if you can't compile your app as 32-bit. But you're right, Safari is able to overcome this issue so it must be possible.

            Using a 32-bit host app to run the flash plugin certainly sounds like a possibility, but I don't have any experience using this. Sorry.

            Good luck,
            Rory

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            • T Offline
              T Offline
              tomma
              wrote on last edited by
              #6

              There is preview version of 64bit adobe-flash and it works fine on linux.
              http://labs.adobe.com/downloads/flashplayer10_square.html

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              • F Offline
                F Offline
                frank.fang.kun
                wrote on last edited by
                #7

                Hi Rory,
                Thanks for this quick response. When build my application as 32bit, a flash can be shown. But unfortunately, my application must be 64bit. Ooops...

                Hi Tomma,
                Thanks for your response. In fact, I installed this version of flash plug-in from "http://download.macromedia.com/pub/labs/flashplayer10/flashplayer10_2_p3_64bit_mac_111710.dmg". But, you can see that this plug-in still be 32bit, when use nm command to check its information(nm /Users/frank/Desktop/Test/fancybrowser/build/Debug/fancybrowser.app/Contents/MacOS/fancybrowser -arch x86_64). So, even if install this version of flash plug-in, a flash can not be shown, yet.

                Hi Rory and Tomma,
                Is there other way to show flash in Qt except for QtWebKit? Today, I will try Phonon library. Hope to see any progress. Thank guys.

                -Frank

                Frank | Frank.Fang.Kun@gmail.com

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                • F Offline
                  F Offline
                  frank.fang.kun
                  wrote on last edited by
                  #8

                  Hi guys,

                  Today, I tried Phonon library to play a flash. It is failed because QuickTime on which Phonon depends does not support swf(flash file format). Ooops :-(

                  -Frank

                  Frank | Frank.Fang.Kun@gmail.com

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                  • M Offline
                    M Offline
                    MAMartins
                    wrote on last edited by
                    #9

                    I have the same problem, how do i compile my app as 32bit?

                    if I make an project only of qml and use an webview I can run html5 videos with no problem but the debugger shows lots of errors and some times the app crash, on qt I get the same error as the OP

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                    • M Offline
                      M Offline
                      MAMartins
                      wrote on last edited by
                      #10

                      any help?!

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                      • F Offline
                        F Offline
                        frank.fang.kun
                        wrote on last edited by
                        #11

                        Do you work on XCode?

                        If so, follow the step: "Targets" -> "(Your Application)" -> "Get Info" -> go to "Build" table -> go to "Architectures" -> go to "Architectures" -> Select "32-bit Itel".

                        That's all. Hope that it can help you.

                        Frank | Frank.Fang.Kun@gmail.com

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                        • F Offline
                          F Offline
                          frank.fang.kun
                          wrote on last edited by
                          #12

                          I resolved this problem. The solution just is to invoke a 32bit process(in fact, it is a application) to play a flash while a 64bit application executes. So far, everything is OK. By the way, I don't use WebKitPluginHost.app. :-)

                          Generally, I expect that Adobe can release early 64bit flash plug-in. After all, it is a real way.

                          Frank | Frank.Fang.Kun@gmail.com

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                          • F Offline
                            F Offline
                            frank.fang.kun
                            wrote on last edited by
                            #13

                            Anyway, thank Rory and Tomma.

                            Frank | Frank.Fang.Kun@gmail.com

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                            • M Offline
                              M Offline
                              MAMartins
                              wrote on last edited by
                              #14

                              thanks, I don't work on xcode but i've figured it out how to do.

                              i've added this to my .pro file:
                              CONFIG -= x86_64 ppc64
                              CONFIG *= x86

                              I don't need a native 64bit app so i can build it all in 32 :)

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                              • G Offline
                                G Offline
                                goetz
                                wrote on last edited by
                                #15

                                If you want to make some older Mac users with PowerPC machines (yes, there are still a lot of them around running OS X 10.5!), then change your line to this in order to make a 32 bit universal app:

                                @
                                CONFIG *= x86 ppc
                                @

                                http://www.catb.org/~esr/faqs/smart-questions.html

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                                • M Offline
                                  M Offline
                                  MAMartins
                                  wrote on last edited by
                                  #16

                                  with ppc I get errors as i've posted in the other thread :)

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                                  • G Offline
                                    G Offline
                                    goetz
                                    wrote on last edited by
                                    #17

                                    Sorry, I missed that. It was just that people slowly forget about this ancient platforms in their apps :-) In most cases there is no or little technical reason for this.

                                    http://www.catb.org/~esr/faqs/smart-questions.html

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                                    • P Offline
                                      P Offline
                                      pump705
                                      wrote on last edited by
                                      #18

                                      I had a similar problem recently,os:embedded linux
                                      firefox play is ok , but Qtwebkit is not play

                                      @
                                      QWebSettings::globalSettings()->setAttribute(QWebSettings::PluginsEnabled, true);
                                      QWebSettings::globalSettings()->setAttribute(QWebSettings::JavascriptEnabled, true);
                                      QWebSettings::globalSettings()->setAttribute(QWebSettings::AutoLoadImages, true);
                                      view = new QWebView(this);
                                      view->load(url);
                                      @

                                      libflashplayer.so is save /root/.mozilla/plugins

                                      [EDIT: code formatting, please wrap in @-tags, Volker]

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                                      • P Offline
                                        P Offline
                                        pump705
                                        wrote on last edited by
                                        #19

                                        who help me?

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