jiangdongguo
预览失败
2020-07-16 14:52:32.482 17032-17144/com.jiangdg.usbcamera D/OpenGLRenderer: disableOutlineDraw is true 2020-07-16 14:52:32.503 17032-17144/com.jiangdg.usbcamera D/mali_winsys: EGLint new_window_surface(egl_winsys_display , void , EGLSurface, EGLConfig, egl_winsys_surface **, EGLBoolean) returns 0x3000 2020-07-16 14:52:32.957 17032-18248/com.jiangdg.usbcamera V/UVCCameraTextureView: getPreviewTexture: 2020-07-16 14:52:32.957 17032-17305/com.jiangdg.usbcamera I/UVCCameraTextureView: RenderThread#updatePreviewSurface: 2020-07-16 14:52:32.957 17032-17305/com.jiangdg.usbcamera D/UVCCameraTextureView: updatePreviewSurface:release mPreviewSurface 2020-07-16 14:52:32.960 17032-17305/com.jiangdg.usbcamera V/UVCCameraTextureView: updatePreviewSurface:tex_id=1 2020-07-16 14:52:32.963 17032-17301/com.jiangdg.usbcamera V/CameraThread: handleStartPreview: 2020-07-16 14:52:33.064 17032-17301/com.jiangdg.usbcamera I/libUVCCamera: [17301UVCPreview.cpp:276:callbackPixelFormatChanged]:PIXEL_FORMAT_YUV20SP: 2020-07-16 14:52:33.256 17032-18252/com.jiangdg.usbcamera I/libUVCCamera: [18252UVCPreview.cpp:492:prepare_preview]:frameSize=(640,480)@MJPEG 2020-07-16 14:52:33.326 17032-18252/com.jiangdg.usbcamera E/libuvc/stream: [18252stream.c:1605:uvc_stream_start_bandwidth]:fail 2020-07-16 14:52:33.332 17032-18252/com.jiangdg.usbcamera W/libUVCCamera: [18252diag.c:88:uvc_perror]:failed start_streaming:Unknown error (-99) 2020-07-16 14:52:34.472 17032-17144/com.jiangdg.usbcamera W/libEGL: EGLNativeWindowType 0x74f5371010 disconnect failed 2020-07-16 14:54:34.656 17032-17032/com.jiangdg.usbcamera W/InputMethodManager: startInputReason = 8
预览失败，提示:failed start_streaming:Unknown error (-99)，我之前使用UVCCamera那个库也出现这种情况，但是它的DEMO是正常的
