Hi Harri, Thanks so much for your input! I will surely try that!
It was extremely hard for me to debug this issue because the the exception was intermittent even when I called it two times in a row, it only happened twice and I could never reproduce it again, so for me, it was rather hard to test. I am curious and at awe at your over-the-air support, how did you know I was calling it more than once? Thanks again! On Mon, May 26, 2014 at 9:21 AM, Harri Smatt <[email protected]> wrote: > Hello, > > In that case it *might* help if you create RS context and script intrinsic > blur *only once* and call invoke as many times you need to. > > If recreating RS context and/script is the cause, it is something you > could test rather easily since the crash would happen on second call to > your blur method. > > -- > H > On May 25, 2014 10:43 AM, "Chang Sheng-Dean 章聖典" <[email protected]> > wrote: > >> I call this method two consecutive times because I needed a blur radius >> of 40px, but the SDK limitation was only 25px, so I thought I would just >> blur it twice with 20px. >> >> >> On Fri, May 23, 2014 at 1:18 PM, Harri Smatt <[email protected]> wrote: >> >>> Hi, >>> >>> How frequently do you call this method? I mean, you re-create both >>> RenderScript and IntrinsicBlur objects on every call. And I am wondering >>> how the underlying native implementation copes with this if the method is >>> called twice or more within short a period. >>> >>> -- >>> H >>> On May 20, 2014 10:08 PM, "littledot" <[email protected]> wrote: >>> >>>> I am implementing Gaussian blurring using the ScriptIntrinsicBlur >>>> class. However, I have faced an intermittent issue where sometimes >>>> ScriptIntrinsicBlur.create() throws RSRuntimeException: Internal >>>> error: Object id 0. >>>> >>>> Here is the most stacktrace that I can post: >>>> >>>> android.renderscript.RSRuntimeException: Internal error: Object id 0. >>>> >>>> >>>> at android.renderscript.BaseObj.getID(BaseObj.java:57) >>>> >>>> >>>> at android.renderscript.Script.setVar(Script.java:202) >>>> >>>> >>>> at >>>> android.renderscript.ScriptIntrinsicBlur.setRadius(ScriptIntrinsicBlur.java:80) >>>> >>>> >>>> at >>>> android.renderscript.ScriptIntrinsicBlur.create(ScriptIntrinsicBlur.java:54) >>>> >>>> >>>> The bitmap that is being blurred is usually around 300*300 ~ 400*400 >>>> pixels and the blurRadius is set to 20. >>>> >>>> private static Bitmap blurBitmap(Context context, Bitmap bm, float >>>> blurRadius) { >>>> if (context == null || bm == null || blurRadius < 0) { >>>> return null; >>>> } >>>> >>>> try { >>>> /* Make image width a multiple of 4. This is to avoid a bug >>>> in the >>>> * implementation of ScriptIntrinsicBlur that causes visual >>>> * artifacts Source: >>>> * https://plus.google.com/+RomanNurik/posts/TLkVQC3M6jW */ >>>> if (bm.getWidth() % 4 != 0) { >>>> bm = Bitmap.createBitmap(bm, 0, 0, bm.getWidth() - >>>> (bm.getWidth() % 4), bm.getHeight()); >>>> } >>>> >>>> final RenderScript rs = RenderScript.create(context); >>>> final Allocation input = Allocation.createFromBitmap(rs, >>>> bm, Allocation.MipmapControl.MIPMAP_NONE, >>>> >>>> Allocation.USAGE_SCRIPT); >>>> final Allocation output = Allocation.createTyped(rs, >>>> input.getType()); >>>> final ScriptIntrinsicBlur script = >>>> ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); >>>> >>>> script.setRadius(blurRadius); >>>> script.setInput(input); >>>> script.forEach(output); >>>> output.copyTo(bm); >>>> >>>> } catch (RSRuntimeException e) { >>>> /* Throws android.renderscript.RSRuntimeException: Internal >>>> error: >>>> * Object id 0. */ >>>> } >>>> return bm; >>>> } >>>> >>>> The exception is being thrown when create() is being called. I traced >>>> the ScriptIntrinsicBlur.create() method and it am guessing that my problem >>>> starts here: >>>> >>>> int id = rs.nScriptIntrinsicCreate(5, e.getID(rs)); >>>> ScriptIntrinsicBlur sib = new ScriptIntrinsicBlur(id, rs); >>>> sib.setRadius(5.f); >>>> >>>> I am guessing that the native method nScriptIntrinsicCreate() may be >>>> returning 0, which is passed to the constructor, then when setRadius() is >>>> called it does a check and throws the exception. My questions are: >>>> 1. What does nScriptIntrinsicCreate() do and what can cause >>>> nScriptIntrinsicCreate() to return 0? >>>> 2. How do you go about debugging native methods? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To post to this group, send email to >>>> [email protected] >>>> To unsubscribe from this group, send email to >>>> [email protected] >>>> For more options, visit this group at >>>> http://groups.google.com/group/android-developers?hl=en >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected] >>> For more options, visit this group at >>> http://groups.google.com/group/android-developers?hl=en >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "Android Developers" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/android-developers/kGxHq3bcBdc/unsubscribe >>> . >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Thank you for your time. >> >> Yours truly, >> Sheng-Dean Chang 章聖典 >> ([email protected], [email protected]) >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Android Developers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > --- > You received this message because you are subscribed to a topic in the > Google Groups "Android Developers" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/android-developers/kGxHq3bcBdc/unsubscribe > . > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Thank you for your time. Yours truly, Sheng-Dean Chang 章聖典 ([email protected], [email protected]) -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
