Serwer mediów robota umiera na camera.takePicture()

Question

Motorola Droid, firmware 2.1-update1 Kernel 2.9.29-omap1, Budowanie # ESE81

Kiedy próbuje zrobić zdjęcie, Serwer mediów umiera z segmentacji winy.

Próbowałem wstawić takePicture w zegar i uruchomić go kilka sekund po inicjalizacji kamery, aby sprawdzić warunki wyścigu, ale bez zmian. Tylko dzwonienie pod numer Camera.open() nie powoduje awarii. Również wywoływanie Camera.open() powoduje, że myślę, że jest to silnik autofokusa, który wydaje podobny dźwięk.

Kod, który łamie:

import android.app.Activity; 
import android.os.Bundle; 

public final class ChopperMain extends Activity { 
    public void onCreate(Bundle savedInstanceState) { 
    try { 
     Camera camera = Camera.open(); 
     catch (Exception e) { 
      e.printStackTrace(); 
     } 
     camera.takePicture(
       new Camera.ShutterCallback() { 
        public void onShutter() { 
         ; 
        } 
       }, 
       new Camera.PictureCallback() { 
        public void onPictureTaken(byte[] data, Camera camera) { 
         ; 
        } 
       }, 
       new Camera.PictureCallback() { 
        public void onPictureTaken(byte[] data, Camera camera) { 
         ; 
        } 
       }, 
      new PictureCallback() { 
       public void onPictureTaken(byte[] data, Camera camera) { 
        System.out.println("Ta da."); 
       } 
      } 
     }); 

    } 
    catch (Exception e) { 
     e.printStackTrace(); 
    } 
    } 
} 

Debug Log:

D/CameraHal(10158): CameraSettings constructor 
D/CameraHal(10158): CameraHal constructor 
D/CameraHal(10158): Model ID: Droid 
D/CameraHal(10158): Software ID 2.1-update1 
D/dalvikvm( 988): GC freed 2 objects/56 bytes in 215ms 
D/ViewFlipper(1074): updateRunning() mVisible=false, mStarted=true, mUserPresent=false, mRunning=false 
I/HPAndroidHAL(10158): Version 2988. Build Time: Oct 26 2009:11:21:55. 
D/CameraHal(10158): 19 default parameters 
D/CameraHal(10158): Immediate Zoom/1:0. Current zoom level/1:0 
D/CameraHal(10158): CameraHal constructor exited ok 
D/CameraService(10158): Client::Client X (pid 10400) 
D/CameraService(10158): CameraService::connect X 
D/CameraService(10158): takePicture (pid 10400) 
I/DEBUG (10159): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 
I/DEBUG (10159): Build fingerprint: 'verizon/voles/sholes/sholes:2.1-update1/ESE81/29593:user/release-keys' 
I/DEBUG (10159): pid: 10158, tid: 10158 >>> /system/bin/mediaserver <<< 
I/DEBUG (10159): signal 11 (SIGSEGV), fault addr 00000008 
I/DEBUG (10159): r0 00000000 r1 00000000 r2 a969030c r3 a9d1bfe0 
I/DEBUG (10159): r4 00045eb0 r5 0000eb10 r6 000153a0 r7 a9c89fd2 
I/DEBUG (10159): r8 00000000 r9 00000000 10 00000000 fp 00000000 
I/DEBUG (10159): ip a969085c sp bec4fba0 lr a9689c65 pc a9d1bfde cpsr 60000030 
I/DEBUG (10159):   #00 pc 0001bfde /system/lib/libutils.so 
I/DEBUG (10159):   #01 pc 00009c62 /system/lib/libcamera.so 
I/DEBUG (10159):   #02 pc 00007b0c /system/lib/libcameraservice.so 
I/DEBUG (10159):   #03 pc 00021f98 /system/lib/libui.so 
I/DEBUG (10159):   #04 pc 00015514 /system/lib/libbinder.so 
I/DEBUG (10159):   #05 pc 00018dd8 /system/lib/libbinder.so 
I/DEBUG (10159):   #06 pc 00018fa6 /system/lib/libbinder.so 
I/DEBUG (10159):   #07 pc 000087d2 /system/bin/mediaserver 
I/DEBUG (10159):   #08 pc 0000c228 /system/lib/libc.so 
I/DEBUG (10159): 
I/DEBUG (10159): code around pc: 
I/DEBUG (10159): a9d1bfcc bd1061e3 f7f3b510 bd10e97e 4d17b570 
I/DEBUG (10159): a9d1bfdc 6886a300 460418ed fff4f7ff d10a4286 
I/DEBUG (10159): a9d1bfec 46234913 20054a13 f06f1869 18aa040a 
I/DEBUG (10159): 
I/DEBUG (10159): code around lr: 
I/DEBUG (10159): a9689c54 e0240412 0204f8d0 050cf104 edf0f7fd 
I/DEBUG (10159): a9689c64 f7fd4628 f8d4ecf2 b1533204 f852681a 
I/DEBUG (10159): a9689c74 18581c0c 7101f504 ed82f7fd f8c42000 
I/DEBUG (10159): 
I/DEBUG (10159): stack: 
I/DEBUG (10159):  bec4fb60 4000902c /dev/binder 
I/DEBUG (10159):  bec4fb64 a9d19675 /system/lib/libutils.so 
I/DEBUG (10159):  bec4fb68 00002bb4 
I/DEBUG (10159):  bec4fb6c a9d1b26f /system/lib/libutils.so 
I/DEBUG (10159):  bec4fb70 bec4fbbc [stack] 
I/DEBUG (10159):  bec4fb74 00095080 [heap] 
I/DEBUG (10159):  bec4fb78 a9c8c028 /system/lib/libcameraservice.so 
I/DEBUG (10159):  bec4fb7c a9c8c028 /system/lib/libcameraservice.so 
I/DEBUG (10159):  bec4fb80 00015390 [heap] 
I/DEBUG (10159):  bec4fb84 a9c89fd2 /system/lib/libcameraservice.so 
I/DEBUG (10159):  bec4fb88 00045ebc [heap] 
I/DEBUG (10159):  bec4fb8c afe0f110 /system/lib/libc.so 
I/DEBUG (10159):  bec4fb90 00000000 
I/DEBUG (10159):  bec4fb94 afe0f028 /system/lib/libc.so 
I/DEBUG (10159):  bec4fb98 df002777 
I/DEBUG (10159):  bec4fb9c e3a070ad 
I/DEBUG (10159): #00 bec4fba0 00045eb0 [heap] 
I/DEBUG (10159):  bec4fba4 00045ebc [heap] 
I/DEBUG (10159):  bec4fba8 000153a0 [heap] 
I/DEBUG (10159):  bec4fbac a9689c65 /system/lib/libcamera.so 
I/DEBUG (10159): #01 bec4fbb0 a9c8c028 /system/lib/libcameraservice.so 
I/DEBUG (10159):  bec4fbb4 00015390 [heap] 
I/DEBUG (10159):  bec4fbb8 000153a0 [heap] 
I/DEBUG (10159):  bec4fbbc a9c87b0f /system/lib/libcameraservice.so 
I/DEBUG (10159): debuggerd committing suicide to free the zombie! 
I/DEBUG (10426): debuggerd: Mar 22 2010 17:31:05 
W/MediaPlayer(1021): MediaPlayer server died! 
I/ServiceManager( 984): service 'media.audio_flinger' died 
I/ServiceManager( 984): service 'media.player' died 
I/ServiceManager( 984): service 'media.camera' died 
I/ServiceManager( 984): service 'media.audio_policy' died 
W/Camera (10400): Camera server died! 
W/Camera (10400): ICamera died 
E/Camera (10400): Error 100 
I/System.out(10400): Camera error, code 100 
W/AudioSystem(1021): AudioFlinger server died! 
W/AudioSystem(1021): AudioPolicyService server died! 
I/  (10425): ServiceManager: 0xad08 
E/AudioPostProcessor(10425): 
E/AudioPostProcessor(10425): AudioMgr Error:Failed to open gains file /data/ap_gain.bin 
E/AudioPostProcessor(10425): 
E/AudioPostProcessor(10425): AudioMgr Error:Failed to read gains/coeffs from /data 
E/AudioPostProcessor(10425): Audio coeffs init success. 
I/CameraService(10425): CameraService started: pid=10425 
D/Audio_Unsolicited(10425): in readyToRun 
D/Audio_Unsolicited(10425): Create socket successful 10 
I/AudioFlinger(10425): AudioFlinger's thread 0x11c30 ready to run 
E/AudioService(1021): Media server died. 
E/AudioService(1021): Media server started. 
W/AudioPolicyManager(10425): setPhoneState() setting same state 0 

Answer 1

Brakuje większość kodu niezbędnego do pracy z Camera. Here is a sample project, który jest bardziej kompletny.