8000 can't runing .... · Issue #22 · openstf/minicap · GitHub
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can't runing .... #22

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workzj opened this issue Mar 3, 2016 · 3 comments
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can't runing .... #22

workzj opened this issue Mar 3, 2016 · 3 comments

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@workzj
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workzj commented Mar 3, 2016

i build on windows7 use NDKR10D and AOSP is android 4.4

the code like this :

android::sp<android::SurfaceComposerClient> sc = new android::SurfaceComposerClient();
if ((err = sc->initCheck()) != android::NO_ERROR) {
  MCERROR("Unable to initialize SurfaceComposerClient");
  return err;
}

all ways return error , why ? i checked the android4.4 source , and class SurfaceComposerClient:

SurfaceComposerClient::SurfaceComposerClient()
: mStatus(NO_INIT), mComposer(Composer::getInstance())
{
}

status_t SurfaceComposerClient::initCheck() const {
return mStatus;
}

the code means , initCheck is allways return NO_INIT .
@sorccu
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sorccu commented Mar 3, 2016

I don't know, maybe the Android.mk files behave a bit differently on Windows and something breaks. I only build on Linux, so I can't help you. If you get it working, please submit a patch.

Also, you said that you're always getting an error, but didn't actually post the error.

@workzj
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workzj commented Mar 3, 2016

i means , view the code , when you new SurfaceComposerClient , mStatus is set NO_INIT ,
BUT immediately the code : sc->initCheck(); check mStatus is not NO_ERROR, so the code is always return err;

AOSP version is 4.4.

@sorccu
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sorccu commented Mar 3, 2016 
void SurfaceComposerClient::onFirstRef() {
    sp<ISurfaceComposer> sm(ComposerService::getComposerService());
    if (sm != 0) {
        sp<ISurfaceComposerClient> conn = sm->createConnection();
        if (conn != 0) {
            mClient = conn;
            mStatus = NO_ERROR;
        }
    }
}

This is magic that gets called before we call initCheck().

@workzj workzj closed this as completed Mar 4, 2016
@qwldcl qwldcl mentioned this issue Apr 24, 2017
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