uvccamera MJPEG格式摄像头打不开预览，求大神指教

一化十 2019-11-26 11:54:49

11-26 02:05:07.854 518 3446 D MtkOmxVenc: [0xee498000] AVC EncTime=16432 (us), RGB_2_YUV=0, FrameCount= 186, buf timestamp=69735894 (69735894048) IsKey(0), Size(4452) Slotbitcount(36000) : in VA=0xEEB46C40, offset=0x00000000, len=12, flags=0x00000010 : out VA=0xEA47F000, offset=0x00000000sec:0x0, 0x0, pending=1
11-26 02:05:07.856 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:07.870 518 3446 D MtkOmxVenc: [0xee498000] AVC EncTime=15248 (us), RGB_2_YUV=0, FrameCount= 187, buf timestamp=69735910 (69735910387) IsKey(0), Size(69) Slotbitcount(36552) : in VA=0xEEB46CA0, offset=0x00000000, len=12, flags=0x00000010 : out VA=0xEA17F000, offset=0x00000000sec:0x0, 0x0, pending=1
11-26 02:05:07.883 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:07.911 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:07.920 2966 3472 W libUVCCamera: [3472*UVCPreview.cpp:119:get_frame]:allocate new frame
11-26 02:05:07.920 2966 3471 W libUVCCamera: [3471*UVCPreview.cpp:119:get_frame]:allocate new frame
11-26 02:05:07.920 2966 3471 W libUVCCamera: [3471*frame-mjpeg.c:61:_error_exit]:err=Not a JPEG file: starts with 0x00 0x00
11-26 02:05:07.930 496 538 D AAL : 11-26 02:05:07.563 BL= 335,ESS= 256, 11-26 02:05:07.830 BL= 336,ESS= 256, 11-26 02:05:07.864 BL= 337,ESS= 256, 11-26 02:05:07.897 BL= 338,ESS= 256, 11-26 02:05:07.930 BL= 339,ESS= 256,
11-26 02:05:07.943 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:07.952 2966 3471 W libUVCCamera: [3471*frame-mjpeg.c:61:_error_exit]:err=Not a JPEG file: starts with 0x00 0x00
11-26 02:05:07.964 518 3446 D MtkOmxVenc: [0xee498000] AVC EncTime=9628 (us), RGB_2_YUV=0, FrameCount= 188, buf timestamp=69736010 (69736010387) IsKey(0), Size(16) Slotbitcount(36680) : in VA=0xEEB46D20, offset=0x00000000, len=12, flags=0x00000010 : out VA=0xE9E7F000, offset=0x00000000sec:0x0, 0x0, pending=1
11-26 02:05:07.971 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:07.984 2966 3471 W libUVCCamera: [3471*frame-mjpeg.c:61:_error_exit]:err=Not a JPEG file: starts with 0x00 0x00
11-26 02:05:07.999 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:08.009 31079 2792 D MonitorService: {"run":"message"}
11-26 02:05:08.020 2966 3471 W libUVCCamera: [3471*frame-mjpeg.c:61:_error_exit]:err=Not a JPEG file: starts with 0x00 0x00
11-26 02:05:08.027 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)
11-26 02:05:08.052 2966 3471 W libUVCCamera: [3471*frame-mjpeg.c:61:_error_exit]:err=Not a JPEG file: starts with 0x00 0x00
11-26 02:05:08.055 375 407 W HWComposer: Ignoring duplicate VSYNC event from HWC (t=0)

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