Could you share what flags you tweaked and what difference each flag made for you?
On Mon, Dec 1, 2014 at 10:47 AM, Manuel Astudillo <[email protected]> wrote: > Hello, > > just a quick update about this issue. We have manage to make it work with > complete hw support. We had to tweek different flags and use crosswalks > lastest version in "master" to make it work. > > Also as a side note, using Phonegap wrappern it would not provide hw > acceleration, we had to completely port the application to crosswalk to > make it work. > > Best regards, > > Manuel. > > > On 20 Nov 2014, at 03:14, Lin, Johnson <[email protected]> wrote: > > Hello, > > It is very common GPU device is put to "blacklist". Last time we saw all > QUALCOMM GPUs are put to anti-alias blacklist by default. Maybe you can try > the command line switch "--ignore-gpu-blacklist " > You can add this flag by "-xwalk-command-line=--ignore-gpu-blacklist " When > you use make_apk.py > > Some other suggestions from internal expert: > > Consider Xwalk actually uses MediaCodec APIs for video playback, it should > share the same pipeline as the native video player. > One thing I think is to check which video format is using, H264, Vp8 .etc; > as well as to make sure the HW decoding for the specified type is > supported, by MediaCodec API checking. If it using codecs like > 'oxm.google.*', it infers still using SW decoding > > You are very welcomed to use XWALK and our team is dedicated to resolve > all the issues customer met with XWALK. If you still have the issue after > trying different solutions, maybe we can figure out a way how to let XWALK > engineer debug on your device directly. > Thanks, > > *From:* Crosswalk-help [ > mailto:[email protected] > <[email protected]>] *On Behalf Of *Manuel > Astudillo > *Sent:* Tuesday, November 18, 2014 11:41 PM > *To:* [email protected] > *Subject:* [Crosswalk-help] gpu_rasterization > > Hello!, > > we are doing some tests with xwalk to see if we can replace our current > phonegap based application. For us the most important feature is being able > to play videos at full HD (1080). This is something that our target android > devices are capable of doing without any problems as it can be demonstrated > by using the built in media player. The hardware is a dual core cortex A9 > 1.6Ghz, with a Quad-core Mali 400 GPU. Android 4.2.2. > > You can read more about it here: > http://www.minix.com.hk/Products/MINIX-NEO-X5mini.html > > Now, when using xwalk we have two issues. The first one is that the video > playback takes between 2 to 5 seconds to start (while starting a video with > builtin media player is instantaneous), the other is that the video > playback is not very smooth, largest problem is that from time to time some > "hack" appears which makes it very noticeable. > > I tried using latest version of Chrome (version 39), video decoding is > even worse here, very jerkey. In the chrome:\\flags it says that it is > using hardware video decoding but not hardware rasterization > (gpu_rasterization disabled), seems like the GPU in this device is not > fully supported. However we can force it to use the GPU in chrome:\\flags, > and after that the video playing is much better. > > So my questions are: > 1) Is GPU rasterization enabled by default in xwalk, or is it disabled as > in Chrome?, if so, can it be forced, and is it a good idea to do it?. > 2) What other tips can you give me to improve the video playing > performance? > > > Best regards, > > Manuel. > > > > > *Manuel Astudillo*, M.Sc.C.E > CEO, founder. > > *OptimalBits* > Ideon Science Park > Scheelevägen 15 > SE-22370, Lund. Sweden. > mobile:+46 (0) 733 329536 > Skype: manast76 > twitter/manast <http://twitter.com/manast> > > www.optimalbits.com > > > *Manuel Astudillo*, M.Sc.C.E > CEO, founder. > > *OptimalBits* > Ideon Science Park > Scheelevägen 15 > SE-22370, Lund. Sweden. > mobile:+46 (0) 733 329536 > Skype: manast76 > twitter/manast <http://twitter.com/manast> > > www.optimalbits.com > > > _______________________________________________ > Crosswalk-help mailing list > [email protected] > https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-help > >
_______________________________________________ Crosswalk-help mailing list [email protected] https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-help
