you recieved 0 frames over libusb #52
Description
Hi I was working on android 4.4.2 with the sample project from this library. USB Camera is detected and able to get all the supported resolution sizes from the hardware camera. but getting the following message. please let me know how to fix this issue
Android Version: Android 4.4.2
Arch: x86
the logcat as follows
--------- beginning of /dev/log/main
2025-02-13 15:31:44.727 4337-4337 UVC_Camera_Set_Up humer.uvc_camera I showTestRunMenu pressed;
2025-02-13 15:31:46.307 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
--------- beginning of /dev/log/system
2025-02-13 15:31:46.307 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
2025-02-13 15:31:46.307 4337-4337 ViewRootImpl humer.uvc_camera W Dropping event due to root view being removed: MotionEvent { action=ACTION_HOVER_ENTER, id[0]=0, x[0]=115.3278, y[0]=66.93884, toolType[0]=TOOL_TYPE_MOUSE, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=891716, downTime=891499, deviceId=5, source=0x2002 }
2025-02-13 15:31:46.317 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
2025-02-13 15:31:46.317 4337-4337 ViewRootImpl humer.uvc_camera W Dropping event due to root view being removed: MotionEvent { action=ACTION_HOVER_MOVE, id[0]=0, x[0]=115.3278, y[0]=66.93884, toolType[0]=TOOL_TYPE_MOUSE, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=891716, downTime=891499, deviceId=5, source=0x2002 }
2025-02-13 15:31:47.547 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
2025-02-13 15:31:47.547 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
2025-02-13 15:31:47.547 4337-4337 InputEventReceiver humer.uvc_camera W Attempted to finish an input event but the input event receiver has already been disposed.
2025-02-13 15:31:47.547 4337-4337 ViewRootImpl humer.uvc_camera W Dropping event due to root view being removed: MotionEvent { action=ACTION_HOVER_ENTER, id[0]=0, x[0]=129.32779, y[0]=66.93884, toolType[0]=TOOL_TYPE_MOUSE, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=892956, downTime=892741, deviceId=5, source=0x2002 }
2025-02-13 15:31:47.547 4337-4337 ViewRootImpl humer.uvc_camera W Dropping event due to root view being removed: MotionEvent { action=ACTION_HOVER_MOVE, id[0]=0, x[0]=129.32779, y[0]=66.93884, toolType[0]=TOOL_TYPE_MOUSE, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=892956, downTime=892741, deviceId=5, source=0x2002 }
2025-02-13 15:31:47.647 4337-4550 From libuvc_support humer.uvc_camera D camera_pointer->imageWidth = 640
2025-02-13 15:31:47.647 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D end
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.657 4337-4550 From libuvc_support humer.uvc_camera D Setting Frame Callback
2025-02-13 15:31:47.657 4337-4550 From libuvc_support humer.uvc_camera D Pixel Format = 1
2025-02-13 15:31:47.657 4337-4550 From UVCPreviw humer.uvc_camera D camera->setFrameCallback
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D Calling Callback
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.667 4337-4550 From libuvc_support humer.uvc_camera D setFrameCallback returned: 0
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From libuvc_support humer.uvc_camera D setJavaVM returned: 0
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D startPreview
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D test = 1
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D check test
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D preview_thread Test Mode
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D startPreview finished
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4550 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:47.667 4337-4550 UVC_Camera_Set_Up humer.uvc_camera I Test started ...
2025-02-13 15:31:47.667 4337-4551 From UVCPreviw humer.uvc_camera D prepare_preview
2025-02-13 15:31:47.667 4337-4551 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:47.667 4337-4551 From UVCPreviw humer.uvc_camera D ctrl->bInterfaceNumber
2025-02-13 15:31:47.667 4337-4551 From UVCPreviw humer.uvc_camera D bmHint
2025-02-13 15:31:47.667 4337-4551 From UVCPreviw humer.uvc_camera D control_TransferUVC
2025-02-13 15:31:47.667 4337-4551 from_LibUVC humer.uvc_camera D claiming interface 1
2025-02-13 15:31:47.667 4337-4551 from_LibUVC humer.uvc_camera D uvc_claim_if = UVC_SUCCESS
2025-02-13 15:31:47.667 4337-4551 from_LibUVC humer.uvc_camera D PROBE SET CUR QUERY
2025-02-13 15:31:47.667 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:47.667 4337-4551 from_LibUVC humer.uvc_camera D before the CTL
2025-02-13 15:31:47.747 4337-4551 from_LibUVC humer.uvc_camera D Control Transfer Sucessful
2025-02-13 15:31:47.747 4337-4551 from_LibUVC humer.uvc_camera D result = 0
2025-02-13 15:31:47.747 4337-4551 from_LibUVC humer.uvc_camera D PROBE GET CUR QUERY
2025-02-13 15:31:47.747 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:47.747 4337-4551 from_LibUVC humer.uvc_camera D before the CTL
2025-02-13 15:31:47.757 4337-4551 from_LibUVC humer.uvc_camera D Control Transfer Sucessful
2025-02-13 15:31:47.757 4337-4551 from_LibUVC humer.uvc_camera D result = 0
2025-02-13 15:31:47.757 4337-4551 from_LibUVC humer.uvc_camera D COMMIT SET CUR QUERY
2025-02-13 15:31:47.757 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:47.757 4337-4551 from_LibUVC humer.uvc_camera D before the CTL
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D Control Transfer Sucessful
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D result = 0
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D COMMIT GET CUR QUERY
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D before the CTL
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D Control Transfer Sucessful
2025-02-13 15:31:48.267 4337-4551 from_LibUVC humer.uvc_camera D result = 0
2025-02-13 15:31:48.267 4337-4551 From UVCPreviw humer.uvc_camera D control_TransferUVC = UVC_SUCCESS
2025-02-13 15:31:48.267 4337-4551 From UVCPreviw humer.uvc_camera D ctrl.bmHint = 1, ctrl.bFormatIndex = 1, ctrl.dwMaxPayloadTransferSize = 2460
2025-02-13 15:31:48.277 4337-4551 From UVCPreviw humer.uvc_camera D Skipping ANativeWindow_setBuffersGeometry
2025-02-13 15:31:48.277 4337-4551 From UVCPreviw humer.uvc_camera D end (0)
2025-02-13 15:31:48.277 4337-4551 From UVCPreviw humer.uvc_camera D do_preview(&ctrl)
2025-02-13 15:31:48.277 4337-4551 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D StreamHandle Calloc
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D uvc_claim_if
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D strmh->stream_if->bInterfaceNumber = 1
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D claiming interface 1
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D uvc_stream_ctrl
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D ctrl->bInterfaceNumber = 1
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D uvc_query_stream_ctrl
2025-02-13 15:31:48.277 4337-4551 from_LibUVC humer.uvc_camera D before the CTL
2025-02-13 15:31:48.287 4337-4551 from_LibUVC humer.uvc_camera D Control Transfer Sucessful
2025-02-13 15:31:48.287 4337-4551 from_LibUVC humer.uvc_camera D strmh->running = 0
2025-02-13 15:31:48.287 4337-4551 from_LibUVC humer.uvc_camera D UVC_SUCCESS
2025-02-13 15:31:48.287 4337-4551 from_LibUVC humer.uvc_camera D uvc_stream_start_random
2025-02-13 15:31:48.297 4337-4551 from_LibUVC humer.uvc_camera D &strmh->cur_ctrl;
2025-02-13 15:31:48.297 4337-4551 from_LibUVC humer.uvc_camera D after &strmh->cur_ctrl;
2025-02-13 15:31:48.297 4337-4551 from_LibUVC humer.uvc_camera D UVC_ENTER
2025-02-13 15:31:48.297 4337-4551 from_LibUVC humer.uvc_camera D Set streamhandle
2025-02-13 15:31:48.297 4337-4551 from_LibUVC humer.uvc_camera D uvc_find_frame_desc_stream
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D uvc_frame_format_for_guid
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 59
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 55
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 59
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 32
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 10
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 80
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D AA
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 00
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 38
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 9B
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D 71
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D Frameformat detected by uvc Lib
Frameformat = 3
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 0 // endpoint_byte = 0
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 1 // endpoint_byte = 160
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 2 // endpoint_byte = 208
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 3 // endpoint_byte = 768
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 4 // endpoint_byte = 780
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 5 // endpoint_byte = 812
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 6 // endpoint_byte = 976
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 7 // endpoint_byte = 1020
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 8 // endpoint_byte = 1024
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 9 // endpoint_byte = 1200
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D alt_idx = 10 // endpoint_byte = 1536
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D Altsetting found
2025-02-13 15:31:48.307 4337-4551 from_LibUVC humer.uvc_camera D libusb_set_interface_alt_setting
2025-02-13 15:31:49.077 4337-4551 from_LibUVC humer.uvc_camera D pthread_create
2025-02-13 15:31:49.077 4337-4551 from_LibUVC humer.uvc_camera D submit transfers
2025-02-13 15:31:49.077 4337-4551 From UVCPreviw humer.uvc_camera D running capture Thread
2025-02-13 15:31:49.077 4337-4553 From UVCPreviw humer.uvc_camera D AttachCurrentThread
2025-02-13 15:31:49.087 4337-4553 From UVCPreviw humer.uvc_camera D do_capture(env)
2025-02-13 15:31:49.087 4337-4553 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:49.087 4337-4553 From libuvc_support humer.uvc_camera I [4553*UVCPreview.cpp:326:callbackPixelFormatChanged]:PIXEL_FORMAT_YUY2:
2025-02-13 15:31:52.576 4337-4550 From libuvc_support humer.uvc_camera D stopping the preview
2025-02-13 15:31:52.576 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:52.576 4337-4551 From UVCPreviw humer.uvc_camera D addCaptureFrame yuyv mode
2025-02-13 15:31:52.576 4337-4553 From UVCPreviw humer.uvc_camera D end
2025-02-13 15:31:52.576 4337-4551 from_LibUVC humer.uvc_camera D uvc_stream_stop
2025-02-13 15:31:52.576 4337-4553 From UVCPreviw humer.uvc_camera D DetachCurrentThread() complete
2025-02-13 15:31:52.596 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.596 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.596 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.606 4337-4551 from_LibUVC humer.uvc_camera D libusb_cancel_transfer sucessful
2025-02-13 15:31:52.906 4337-4551 From UVCPreviw humer.uvc_camera D end
2025-02-13 15:31:52.906 4337-4551 From UVCPreviw humer.uvc_camera D end
2025-02-13 15:31:52.906 4337-4550 From UVCPreviw humer.uvc_camera D begin
2025-02-13 15:31:52.906 4337-4550 From UVCPreviw humer.uvc_camera D end
2025-02-13 15:31:52.906 4337-4550 From UVCPreviw humer.uvc_camera D end (0)