Re: [android-developers] how to play a video on an OpenGL texture

[Fabien R]

On 03/12/2012 17:50, bob wrote:
>  
>
> I actually tried calling it in onDrawFrame, and that yields a slightly 
> different error:
>
>
> 12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
> updateTexImage: error binding external texture image 0x9046042f (slot 5): 
> 0x502
>   
How did you bind your texture ?
-
Fabien

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Re: [android-developers] how to play a video on an OpenGL texture

[bob]

I fiddled with a bunch of approaches for binding.  The current code looks 
like this:

int[] textures = new int[1];
GLES20.glGenTextures(1, textures, 0);
mTextureID = textures[0];
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);

GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,
GLES20.GL_NEAREST);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
GLES20.GL_TEXTURE_MAG_FILTER,
GLES20.GL_LINEAR);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
GLES20.GL_REPEAT);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
GLES20.GL_REPEAT);

Statics.st = new SurfaceTexture(textures[0]);



On Tuesday, December 4, 2012 3:08:16 AM UTC-6, Fabien R wrote:
>
> On 03/12/2012 17:50, bob wrote: 
> >   
> > 
> > I actually tried calling it in onDrawFrame, and that yields a slightly 
> > different error: 
> > 
> > 
> > 12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
> > updateTexImage: error binding external texture image 0x9046042f (slot 
> 5): 
> > 0x502 
> >   
> How did you bind your texture ? 
> - 
> Fabien 
>

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Re: [android-developers] how to play a video on an OpenGL texture

[RichardC]

I don't think your bind texture call is correct see *bold* below:

*"The texture object uses the GL_TEXTURE_EXTERNAL_OES texture target, which 
is defined by the 
GL_OES_EGL_image_externalOpenGL
 ES extension. This limits how the texture may be used. Each time the 
texture is bound it must be bound to the GL_TEXTURE_EXTERNAL_OES target 
rather than the GL_TEXTURE_2D target. Additionally, any OpenGL ES 2.0 
shader that samples from the texture must declare its use of this extension 
using, for example, an "#extension GL_OES_EGL_image_external : require" 
directive. Such shaders must also access the texture using the 
samplerExternalOES GLSL sampler type."*
*
*
*From:
*http://developer.android.com/reference/android/graphics/SurfaceTexture.html


On Tuesday, December 4, 2012 3:13:06 PM UTC, bob wrote:
>
> I fiddled with a bunch of approaches for binding.  The current code looks 
> like this:
>
> int[] textures = new int[1];
> GLES20.glGenTextures(1, textures, 0);
> mTextureID = textures[0];
> GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);
>
> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,
> GLES20.GL_NEAREST);
> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
> GLES20.GL_TEXTURE_MAG_FILTER,
> GLES20.GL_LINEAR);
> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
> GLES20.GL_REPEAT);
> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
> GLES20.GL_REPEAT);
>
> Statics.st = new SurfaceTexture(textures[0]);
>
>
>
> On Tuesday, December 4, 2012 3:08:16 AM UTC-6, Fabien R wrote:
>>
>> On 03/12/2012 17:50, bob wrote: 
>> >   
>> > 
>> > I actually tried calling it in onDrawFrame, and that yields a slightly 
>> > different error: 
>> > 
>> > 
>> > 12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
>> > updateTexImage: error binding external texture image 0x9046042f (slot 
>> 5): 
>> > 0x502 
>> >   
>> How did you bind your texture ? 
>> - 
>> Fabien 
>>
>

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Re: [android-developers] how to play a video on an OpenGL texture

[bob]

Yes, you're right.

I had to change the bind calls to this:

GLES20.glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTextureID);

Thanks.



On Tuesday, December 4, 2012 6:06:18 PM UTC-6, RichardC wrote:
>
> I don't think your bind texture call is correct see *bold* below:
>
> *"The texture object uses the GL_TEXTURE_EXTERNAL_OES texture target, 
> which is defined by the 
> GL_OES_EGL_image_externalOpenGL
>  ES extension. This limits how the texture may be used. Each time the 
> texture is bound it must be bound to the GL_TEXTURE_EXTERNAL_OES target 
> rather than the GL_TEXTURE_2D target. Additionally, any OpenGL ES 2.0 
> shader that samples from the texture must declare its use of this extension 
> using, for example, an "#extension GL_OES_EGL_image_external : require" 
> directive. Such shaders must also access the texture using the 
> samplerExternalOES GLSL sampler type."*
> *
> *
> *From:
> *
> http://developer.android.com/reference/android/graphics/SurfaceTexture.html
>
>
> On Tuesday, December 4, 2012 3:13:06 PM UTC, bob wrote:
>>
>> I fiddled with a bunch of approaches for binding.  The current code looks 
>> like this:
>>
>> int[] textures = new int[1];
>> GLES20.glGenTextures(1, textures, 0);
>> mTextureID = textures[0];
>> GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);
>>
>> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,
>> GLES20.GL_NEAREST);
>> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
>> GLES20.GL_TEXTURE_MAG_FILTER,
>> GLES20.GL_LINEAR);
>> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
>> GLES20.GL_REPEAT);
>> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
>> GLES20.GL_REPEAT);
>>
>> Statics.st = new SurfaceTexture(textures[0]);
>>
>>
>>
>> On Tuesday, December 4, 2012 3:08:16 AM UTC-6, Fabien R wrote:
>>>
>>> On 03/12/2012 17:50, bob wrote: 
>>> >   
>>> > 
>>> > I actually tried calling it in onDrawFrame, and that yields a slightly 
>>> > different error: 
>>> > 
>>> > 
>>> > 12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
>>> > updateTexImage: error binding external texture image 0x9046042f (slot 
>>> 5): 
>>> > 0x502 
>>> >   
>>> How did you bind your texture ? 
>>> - 
>>> Fabien 
>>>
>>

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Re: [android-developers] how to play a video on an OpenGL texture

[Romain Guy]

You must call updateTexImage() on SurfaceTexture when a new frame is
available (use an OnFrameAvailableListener to be notified.)


On Thu, Nov 29, 2012 at 11:39 AM, bob  wrote:

> Does anyone know how to play a video on an OpenGL texture?
>
> I tried something like this, but no dice:
>
> int[] textures = new int[1];
> GLES20.glGenTextures(1, textures, 0);
> SurfaceTexture st = new SurfaceTexture(textures[0]);
> Statics.mp.setSurface(new Surface(st));
>
>
>
> try {
>  Statics.mp.prepare();
> } catch (IllegalStateException e1) {
> // TODO Auto-generated catch block
>  e1.printStackTrace();
> } catch (IOException e1) {
> // TODO Auto-generated catch block
>  e1.printStackTrace();
> }
> Statics.mp.start();
>
>
>  --
> You received this message because you are subscribed to the Google
> Groups "Android Developers" group.
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-- 
Romain Guy
Android framework engineer
romain...@android.com

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Re: [android-developers] how to play a video on an OpenGL texture

[bob]

I'm calling updateTexImage now, and I'm getting some weird error:

E/libEGL  ( 4995): validate_display:198 error 3008 (EGL_BAD_DISPLAY)
E/SurfaceTexture( 4995): [unnamed-4995-0] error creating EGLImage: 0x3008
D/AndroidRuntime( 4995): Shutting down VM
W/dalvikvm( 4995): threadid=1: thread exiting with uncaught exception 
(group=0x40c521f8)
E/AndroidRuntime( 4995): FATAL EXCEPTION: main
E/AndroidRuntime( 4995): java.lang.RuntimeException: Error during 
updateTexImage (see logs)
E/AndroidRuntime( 4995): at 
android.graphics.SurfaceTexture.updateTexImage(SurfaceTexture.java:164)
E/AndroidRuntime( 4995): at 
com.example.android.basicglsurfaceview.GLES20TriangleRenderer$1.onFrameAvailable(GLES20TriangleRenderer.java:137)
E/AndroidRuntime( 4995): at 
android.graphics.SurfaceTexture$EventHandler.handleMessage(SurfaceTexture.java:244)
E/AndroidRuntime( 4995): at 
android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime( 4995): at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime( 4995): at 
android.app.ActivityThread.main(ActivityThread.java:4507)
E/AndroidRuntime( 4995): at java.lang.reflect.Method.invokeNative(Native 
Method)
E/AndroidRuntime( 4995): at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime( 4995): at 
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:978)
E/AndroidRuntime( 4995): at 
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)
E/AndroidRuntime( 4995): at dalvik.system.NativeStart.main(Native Method)

Any ideas?


On Thursday, November 29, 2012 1:49:55 PM UTC-6, Romain Guy (Google) wrote:
>
> You must call updateTexImage() on SurfaceTexture when a new frame is 
> available (use an OnFrameAvailableListener to be notified.)
>
>
> On Thu, Nov 29, 2012 at 11:39 AM, bob 
> > wrote:
>
>> Does anyone know how to play a video on an OpenGL texture?
>>
>> I tried something like this, but no dice:
>>
>> int[] textures = new int[1];
>> GLES20.glGenTextures(1, textures, 0);
>> SurfaceTexture st = new SurfaceTexture(textures[0]);
>> Statics.mp.setSurface(new Surface(st));
>> 
>> 
>> 
>> try {
>>  Statics.mp.prepare();
>> } catch (IllegalStateException e1) {
>> // TODO Auto-generated catch block
>>  e1.printStackTrace();
>> } catch (IOException e1) {
>> // TODO Auto-generated catch block
>>  e1.printStackTrace();
>> }
>> Statics.mp.start();
>> 
>>
>>  -- 
>> You received this message because you are subscribed to the Google
>> Groups "Android Developers" group.
>> To post to this group, send email to 
>> android-d...@googlegroups.com
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>
>
>
>
> -- 
> Romain Guy
> Android framework engineer
> roma...@android.com 
>
>  

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Re: [android-developers] how to play a video on an OpenGL texture

[bob]

I've been baffling my brain with this some more.

I suspect the solution to the problem lies in this text.

/**
 * Update the texture image to the most recent frame from the image 
stream.  This may only be
 * called while the OpenGL ES context that owns the texture is current 
on the calling thread.
 * It will implicitly bind its texture to the GL_TEXTURE_EXTERNAL_OES 
texture target.
 */
public void updateTexImage() {
nativeUpdateTexImage();
}


I suspect the key is figuring out what "while the OpenGL ES context that 
owns the texture is current on the calling thread" means.

Anyone have some Advil and a Babel fish?


On Thursday, November 29, 2012 2:50:15 PM UTC-6, bob wrote:
>
> I'm calling updateTexImage now, and I'm getting some weird error:
>
> E/libEGL  ( 4995): validate_display:198 error 3008 (EGL_BAD_DISPLAY)
> E/SurfaceTexture( 4995): [unnamed-4995-0] error creating EGLImage: 0x3008
> D/AndroidRuntime( 4995): Shutting down VM
> W/dalvikvm( 4995): threadid=1: thread exiting with uncaught exception 
> (group=0x40c521f8)
> E/AndroidRuntime( 4995): FATAL EXCEPTION: main
> E/AndroidRuntime( 4995): java.lang.RuntimeException: Error during 
> updateTexImage (see logs)
> E/AndroidRuntime( 4995): at 
> android.graphics.SurfaceTexture.updateTexImage(SurfaceTexture.java:164)
> E/AndroidRuntime( 4995): at 
> com.example.android.basicglsurfaceview.GLES20TriangleRenderer$1.onFrameAvailable(GLES20TriangleRenderer.java:137)
> E/AndroidRuntime( 4995): at 
> android.graphics.SurfaceTexture$EventHandler.handleMessage(SurfaceTexture.java:244)
> E/AndroidRuntime( 4995): at 
> android.os.Handler.dispatchMessage(Handler.java:99)
> E/AndroidRuntime( 4995): at android.os.Looper.loop(Looper.java:137)
> E/AndroidRuntime( 4995): at 
> android.app.ActivityThread.main(ActivityThread.java:4507)
> E/AndroidRuntime( 4995): at java.lang.reflect.Method.invokeNative(Native 
> Method)
> E/AndroidRuntime( 4995): at 
> java.lang.reflect.Method.invoke(Method.java:511)
> E/AndroidRuntime( 4995): at 
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:978)
> E/AndroidRuntime( 4995): at 
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)
> E/AndroidRuntime( 4995): at dalvik.system.NativeStart.main(Native Method)
>
> Any ideas?
>
>
> On Thursday, November 29, 2012 1:49:55 PM UTC-6, Romain Guy (Google) wrote:
>>
>> You must call updateTexImage() on SurfaceTexture when a new frame is 
>> available (use an OnFrameAvailableListener to be notified.)
>>
>>
>> On Thu, Nov 29, 2012 at 11:39 AM, bob  wrote:
>>
>>> Does anyone know how to play a video on an OpenGL texture?
>>>
>>> I tried something like this, but no dice:
>>>
>>> int[] textures = new int[1];
>>> GLES20.glGenTextures(1, textures, 0);
>>> SurfaceTexture st = new SurfaceTexture(textures[0]);
>>> Statics.mp.setSurface(new Surface(st));
>>> 
>>> 
>>> 
>>> try {
>>>  Statics.mp.prepare();
>>> } catch (IllegalStateException e1) {
>>> // TODO Auto-generated catch block
>>>  e1.printStackTrace();
>>> } catch (IOException e1) {
>>> // TODO Auto-generated catch block
>>>  e1.printStackTrace();
>>> }
>>> Statics.mp.start();
>>> 
>>>
>>>  -- 
>>> You received this message because you are subscribed to the Google
>>> Groups "Android Developers" group.
>>> To post to this group, send email to android-d...@googlegroups.com
>>> To unsubscribe from this group, send email to
>>> android-developers+unsubscr...@googlegroups.com
>>> For more options, visit this group at
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>>
>>
>>
>>
>> -- 
>> Romain Guy
>> Android framework engineer
>> roma...@android.com
>>
>>  

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Re: [android-developers] how to play a video on an OpenGL texture

[Fabien R]

On 30/11/2012 21:13, bob wrote:
> I've been baffling my brain with this some more.
>
> I suspect the solution to the problem lies in this text.
>
> /**
>  * Update the texture image to the most recent frame from the image 
> stream.  This may only be
>  * called while the OpenGL ES context that owns the texture is current 
> on the calling thread.
>  * It will implicitly bind its texture to the GL_TEXTURE_EXTERNAL_OES 
> texture target.
>  */
> public void updateTexImage() {
> nativeUpdateTexImage();
> }
>
>
> I suspect the key is figuring out what "while the OpenGL ES context that 
> owns the texture is current on the calling thread" means.
>
> Anyone have some Advil and a Babel fish?
>   
You may call it in OnDrawFrame().
-
Fabien

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Re: [android-developers] how to play a video on an OpenGL texture

[bob]

 

I actually tried calling it in onDrawFrame, and that yields a slightly 
different error:


12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
updateTexImage: error binding external texture image 0x9046042f (slot 5): 
0x502

12-03 10:47:23.342: W/dalvikvm(2753): threadid=11: thread exiting with 
uncaught exception (group=0x41aac930)

12-03 10:47:23.342: E/AndroidRuntime(2753): FATAL EXCEPTION: GLThread 228

12-03 10:47:23.342: E/AndroidRuntime(2753): java.lang.RuntimeException: 
Error during updateTexImage (see logcat for details)

12-03 10:47:23.342: E/AndroidRuntime(2753): at 
android.graphics.SurfaceTexture.nativeUpdateTexImage(Native Method)

12-03 10:47:23.342: E/AndroidRuntime(2753): at 
android.graphics.SurfaceTexture.updateTexImage(SurfaceTexture.java:162)

12-03 10:47:23.342: E/AndroidRuntime(2753): at 
com.example.android.basicglsurfaceview.GLES20TriangleRenderer.onDrawFrame(GLES20TriangleRenderer.java:56)

12-03 10:47:23.342: E/AndroidRuntime(2753): at 
android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1516)

12-03 10:47:23.342: E/AndroidRuntime(2753): at 
android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1240)




On Monday, December 3, 2012 2:33:37 AM UTC-6, Fabien R wrote:
>
> On 30/11/2012 21:13, bob wrote: 
> > I've been baffling my brain with this some more. 
> > 
> > I suspect the solution to the problem lies in this text. 
> > 
> > /** 
> >  * Update the texture image to the most recent frame from the image 
> > stream.  This may only be 
> >  * called while the OpenGL ES context that owns the texture is 
> current 
> > on the calling thread. 
> >  * It will implicitly bind its texture to the 
> GL_TEXTURE_EXTERNAL_OES 
> > texture target. 
> >  */ 
> > public void updateTexImage() { 
> > nativeUpdateTexImage(); 
> > } 
> > 
> > 
> > I suspect the key is figuring out what "while the OpenGL ES context that 
> > owns the texture is current on the calling thread" means. 
> > 
> > Anyone have some Advil and a Babel fish? 
> >   
> You may call it in OnDrawFrame(). 
> - 
> Fabien 
>

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Re: [android-developers] how to play a video on an OpenGL texture

[Linda Li]

Did you get any good result?
Could you share your code? Thanks in advance.
 
I am looking at it too. It seems there are a bunch of spaces to modify in 
order to let video output to an OpenGL texture.
 
Just a little wondering why Google doesn't publish an example, since it 
seems many people ask the same question from my searching result.

On Wednesday, December 5, 2012 9:58:04 AM UTC-6, bob wrote:

> Yes, you're right.
>
> I had to change the bind calls to this:
>
> GLES20.glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTextureID);
>
> Thanks.
>
>
>
> On Tuesday, December 4, 2012 6:06:18 PM UTC-6, RichardC wrote: 
>>
>> I don't think your bind texture call is correct see *bold* below: 
>>
>> *"The texture object uses the GL_TEXTURE_EXTERNAL_OES texture target, 
>> which is defined by the 
>> GL_OES_EGL_image_externalOpenGL
>>  ES extension. This limits how the texture may be used. Each time the 
>> texture is bound it must be bound to the GL_TEXTURE_EXTERNAL_OES target 
>> rather than the GL_TEXTURE_2D target. Additionally, any OpenGL ES 2.0 
>> shader that samples from the texture must declare its use of this extension 
>> using, for example, an "#extension GL_OES_EGL_image_external : require" 
>> directive. Such shaders must also access the texture using the 
>> samplerExternalOES GLSL sampler type."*
>> *
>> *
>> *From:
>> *
>> http://developer.android.com/reference/android/graphics/SurfaceTexture.html
>>
>>
>> On Tuesday, December 4, 2012 3:13:06 PM UTC, bob wrote: 
>>>
>>> I fiddled with a bunch of approaches for binding.  The current code 
>>> looks like this:
>>>
>>> int[] textures = new int[1];
>>> GLES20.glGenTextures(1, textures, 0);
>>> mTextureID = textures[0];
>>> GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);
>>>
>>> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, 
>>> GLES20.GL_TEXTURE_MIN_FILTER,
>>> GLES20.GL_NEAREST);
>>> GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
>>> GLES20.GL_TEXTURE_MAG_FILTER,
>>> GLES20.GL_LINEAR);
>>> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
>>> GLES20.GL_REPEAT);
>>> GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
>>> GLES20.GL_REPEAT);
>>>
>>> Statics.st = new SurfaceTexture(textures[0]);
>>>
>>>
>>>
>>> On Tuesday, December 4, 2012 3:08:16 AM UTC-6, Fabien R wrote: 

 On 03/12/2012 17:50, bob wrote: 
 >   
 > 
 > I actually tried calling it in onDrawFrame, and that yields a 
 slightly 
 > different error: 
 > 
 > 
 > 12-03 10:47:23.282: E/SurfaceTexture(2753): [unnamed-2753-0] 
 > updateTexImage: error binding external texture image 0x9046042f (slot 
 5): 
 > 0x502 
 >   
 How did you bind your texture ? 
 - 
 Fabien 

>>>

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