Hi, please post these questions in one of the android platform groups such
as android-platform; this group is for developing with the SDK.
On Wed, Nov 19, 2008 at 11:21 PM, Ye Haomiao <[EMAIL PROTECTED]> wrote:
>
> hi, I try to use SurfaceComposerClient and SurfaceFlinger to create a
> Surface, but all failed, the point = null, can you help how to create
> a surface?
>
> when I try to sp<Surface> mysurface = client->createSurface(getpid(),
> 0, info.w , info.h, info.pixelFormatInfo.format , 0);
> and sp<ISurface> myISurface = FlingerClient->createSurface
> (¶m ,getpid(), 0, info.w , info.h, info.pixelFormatInfo.format,0);
> all failed, the pointer return null
>
>
> ////////my code////////////////////
> sp<SurfaceComposerClient> client;
> DisplayInfo info;
> uint32_t flags = 0x00000000;
>
> client = new SurfaceComposerClient;
> sp<IBinder> mybinder = client->connection();
> client->openTransaction();
> client->openGlobalTransaction();
> ssize_t number = client->getNumberOfDisplays();
> printf("number =%d \n", number);
> client->getDisplayInfo(0,&info);
> printf("w =%d h=%d format =%d \n", info.w,info.h,
> info.pixelFormatInfo.format);
>
> w=100; h=100;
>
> sp<Surface> mysurface = client->createSurface(getpid(), 0,
> info.w , info.h, info.pixelFormatInfo.format , 0);
> if(mysurface == NULL){
> printf(" create surface failed ! \n");
> }
>
> sp<ISurfaceComposer> SurfaceFlinger = _get_surface_manager();
> if(SurfaceFlinger == NULL)
> printf("SurfaceFlinger == null\n");
> sp<ISurfaceFlingerClient> FlingerClient = SurfaceFlinger-
> >createConnection();
> if(FlingerClient == NULL)
> printf("SurfaceFlingerclient == null\n");
> ISurfaceFlingerClient::surface_data_t param;
>
> sp<ISurface> myISurface = FlingerClient->createSurface
> (¶m ,getpid(), 0, info.w , info.h, info.pixelFormatInfo.format,0);
> if( myISurface == NULL)
> printf(" myISurface == null\n");
>
> /////my output//////////////////////
> ./myclient
> Running in emulation - fallback to software codecs
> number =1
> w =320 h=480 format =4
> create surface failed !
> myISurface == null
> myclient quit
>
> >
>
--
Dianne Hackborn
Android framework engineer
[EMAIL PROTECTED]
Note: please don't send private questions to me, as I don't have time to
provide private support. All such questions should be posted on public
forums, where I and others can see and answer them.
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