VideoView should not be affected by hardware acceleration since its
rendering happens in a different window.
On Sat, Nov 26, 2011 at 2:45 PM, New Developer <secur...@isscp.com> wrote:
> Does hardware acceleration effect in any way VideoView when displaying
> a video ?
>
> Thinking back and seeing that onCreate reports hardwareAcceleration as
> false, because this is too early
> and in fact it is true when checked after onCreate.
>
> perhaps all along I have had hardware acceleration, so then the question
> should have been does h/w acc. effect VideoView
> and this is why I can hear but not see the video ?
>
> Thanks
>
>
>
> On 11/26/2011 05:31 PM, New Developer wrote:
>
> Ok then perhaps I'm barking up the wrong tree looking at hardware
> acceleration
>
> LayoutInflater inflater = (LayoutInflater)
> getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
> view = inflater.inflate(R.layout.image_viewer, screen);
>
> FrameLayout parent = (FrameLayout)
> view.findViewById(R.id.image);
> Log.e("main", "view is " + view.isHardwareAccelerated() );
> Media image = null;
> Log.e("main", "parent is " + parent.isHardwareAccelerated() );
>
> image = new Media_Video (getApplicationContext() , parent ,
> fName);
>
> Log.e("main", "=============================================");
> Log.e("main", "view is " + view.isHardwareAccelerated() );
> Log.e("main", "parent is " + parent.isHardwareAccelerated() );
> Log.e("main", "image is " + image.isHardwareAccelerated() );
> Log.e("main", "screen is " + screen.isHardwareAccelerated() );
> Log.e("main", "=============================================");
> image.ButtonSetup(view);
> screen.setOnTouchListener(image);
>
>
> Where Media_Video has the following
> video = (VideoView) screen.findViewById(R.id.video);
> video.setKeepScreenOn(true);
> video.setClickable(true);
> video.setVideoPath(fName);
>
> Log.i("video", "screen is " + screen.isHardwareAccelerated() );
>
> Log.i("video", "video is " + video.isHardwareAccelerated() );
>
> Log.w("video" , "How has focus " + video.findFocus() );
> Log.w("video" , "video Buffer " + video.getBufferPercentage() );
> Log.w("video" , "video Layer Type " + video.getLayerType() );
> Log.w("video" , "video Visibility " + video.getVisibility() );
> Log.w("video" , "video Screen On " + video.getKeepScreenOn() );
> Log.w("video" , "video is Clickable " + video.isClickable() );
> Log.w("video" , "video is Focusable " + video.isFocusable() );
> Log.w("video" , "video is Visibility " + video.getVisibility() );
> Log.w("video" , "video has a Holder " + (video.getHolder() == null) );
> Log.w("video" , "video root View " + video.getRootView() );
> Log.w("video" , "video is Opaque " + video.isOpaque() );
> Log.w("video" , "video is Shown " + video.isShown() );
>
>
> Thus resulting in the following LogCat:
>
> 11-26 17:21:53.000: E/main(21376): screen is true
> 11-26 17:21:53.000: I/CHECK(21376): Child 0 is of type
> LinearLayout
> 11-26 17:21:53.250: E/main(21376): view is true
> 11-26 17:21:53.250: E/main(21376): parent is true
> 11-26 17:21:53.250: I/video(21376): Media constructor started
> 11-26 17:21:53.550: I/video(21376): Media constructor CALLED
> 11-26 17:21:53.550: I/video(21376): Media_video constructor started
> 11-26 17:21:53.550: E/Video Media(21376): VIDEO Initalized
> [/sdcard/DCIM/Videos/Lazy J_Crystal_20110813_102429.3gp]
> 11-26 17:21:53.550: I/video(21376): screen is true
> 11-26 17:21:53.550: I/video(21376): video is true
> 11-26 17:21:53.550: W/video(21376): How has focus
> android.widget.VideoView@40d50d70
> 11-26 17:21:53.550: W/video(21376): video Buffer 0
> 11-26 17:21:53.550: W/video(21376): video Layer Type 0
> 11-26 17:21:53.550: W/video(21376): video Visibility 0
> 11-26 17:21:53.550: W/video(21376): video Screen On true
> 11-26 17:21:53.550: W/video(21376): video is Clickable true
> 11-26 17:21:53.550: W/video(21376): video is Focusable true
> 11-26 17:21:53.550: W/video(21376): video is Visibility 0
> 11-26 17:21:53.550: W/video(21376): video has a Holder false
> 11-26 17:21:53.550: W/video(21376): video root View
> com.android.internal.policy.impl.PhoneWindow$DecorView@4098eb98
> 11-26 17:21:53.550: W/video(21376): video is Opaque true
> 11-26 17:21:53.550: W/video(21376): video is Shown true
> 11-26 17:21:53.610: E/main(21376):
> =============================================
> 11-26 17:21:53.760: E/Surface(21376): surface (identity=3592) is invalid,
> err=-19 (No such device)
> 11-26 17:21:53.770: D/CallStack(21376): Surface#00 pc 00013b5e
> /system/lib/libsurfaceflinger_client.so
> 11-26 17:21:53.770: D/CallStack(21376): Surface#01 pc 00013b9c
> /system/lib/libsurfaceflinger_client.so
> 11-26 17:21:53.770: D/CallStack(21376): Surface#02 pc 00013c1a
> /system/lib/libsurfaceflinger_client.so
> 11-26 17:21:53.770: D/CallStack(21376): Surface#03 pc 00004f38
> /system/lib/libEGL.so
> 11-26 17:21:53.770: D/CallStack(21376): Surface#04 pc 00036dca
> /system/lib/libandroid_runtime.so
> 11-26 17:21:54.120: D/MediaPlayer(21376): getMetadata
>
>
> These all show isHardwareAcceleration as true
> Which still produces the error and Video with NO picture , Video with
> only audio
>
> What then produces the err=-19 error ?
>
>
>
>
>
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--
Romain Guy
Android framework engineer
romain...@android.com
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