Are you accessing the MediaPlayer object from two threads? There isn't a lot of code on the application side and it seems suspicious that it would be crashing there. We did try to make it thread-safe, but it's possible we missed an edge case.
On Dec 6, 3:31 pm, Jason Proctor <[EMAIL PROTECTED]> wrote: > logged as bug 1464. > > i replaced the VideoView with a combination of SurfaceView and > manually installed MediaPlayer. this combination has worked for me in > other applications, but in this particular instance, calling > MediaPlayer.prepare() causes a VM crash -- > > 12-06 15:30:09.837: INFO/DEBUG(826): *** *** *** *** *** *** *** *** > *** *** *** *** *** *** *** *** 12-06 15:30:09.837: INFO/DEBUG(826): > Build fingerprint: > 'tmobile/kila/dream/trout:1.0/TC4-RC30/116143:user/ota-rel-keys,release-keys' > 12-06 15:30:09.837: INFO/DEBUG(826): pid: 882, tid: 882 >>> > com.particlebrand.uooo.android <<< 12-06 15:30:09.837: > INFO/DEBUG(826): signal 11 (SIGSEGV), fault addr 0000000c 12-06 > 15:30:09.837: INFO/DEBUG(826): r0 bef9d5dc r1 00000001 r2 0000a6d8 > r3 00000000 12-06 15:30:09.837: INFO/DEBUG(826): r4 0000000c r5 > bef9d5d8 r6 bef9d5a8 r7 bef9d578 12-06 15:30:09.837: > INFO/DEBUG(826): r8 bef9d630 r9 4104dd6c 10 4104dd58 fp 00000000 > 12-06 15:30:09.837: INFO/DEBUG(826): ip a9d45784 sp bef9d568 lr > a9d25303 pc ab218752 cpsr 80000030 12-06 15:30:09.907: > INFO/DEBUG(826): #00 pc ab218752 /system/lib/libmedia.so > 12-06 15:30:09.907: INFO/DEBUG(826): #01 pc ab215abe > /system/lib/libmedia.so 12-06 15:30:09.917: INFO/DEBUG(826): > #02 pc ab302ea8 /system/lib/libmedia_jni.so 12-06 15:30:09.917: > INFO/DEBUG(826): #03 pc ad00d9f4 /system/lib/libdvm.so > i'm starting to think that having both camera preview and video in > the same tab activity is just destined for failure. i really hope not. > > tx > j > > >The black screen is probably the result of the 2D engine trying to > >composite from an empty camera preview frame buffer. > > >The video push buffer surfaces were a late addition to SurfaceFlinger > >to facilitate the use of video hardware pipelines. I'm not surprised > >there are some rough edges because it didn't get any testing outside > >of the basic use cases. > > >I suggest you log a bug. If you have a code snippet that demonstrates > >the problem, that would be even better. > > >On Dec 3, 7:04 pm, Jason Proctor <[EMAIL PROTECTED]> wrote: > >> another quite alarming detail is that if i initially remove the video > >> view from its tab in my activity's onCreate(), then that results in a > >> black screen where the camera preview should be. if i leave the video > >> view installed, then the preview works fine. > > >> this is somewhat baffling! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---
