UVCCamera

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Latency in Image preview

6

Does latency when showing the .png file to the image preview can be reduced by showing Bitmap directly?

asadasivam

int num_urbs = tpriv->num_urbs; // segfault(SIGSEGV(SEGV_MAPERR))

1

static int handle_iso_completion(struct libusb_device_handle *handle, // XXX added saki struct usbi_transfer *itransfer, struct usbfs_urb *urb) { struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer); struct android_transfer_priv *tpriv = usbi_transfer_get_os_priv(itransfer); int num_urbs = tpriv->num_urbs;...

tianyatmq

stopPreview概率性奔溃

12

JNI DETECTED ERROR IN APPLICATION: jmethodID was NULL in call to CallVoidMethodV art/runtime/runtime.cc:415] at com.serenegiant.usb.UVCCamera.nativeStopPreview(Native method) art/runtime/runtime.cc:415] at com.serenegiant.usb.UVCCamera.stopPreview(UVCCamera.java:402) art/runtime/runtime.cc:415] - locked (a com.serenegiant.usb.UVCCamera) art/runtime/runtime.cc:415] at com.lgh.uvccamera.UVCCameraProxy.stopPreview(UVCCameraProxy.java:421) art/runtime/runtime.cc:415] at com.lgh.uvccamera.UVCCameraProxy$2.onSurfaceTextureDestroyed(UVCCameraProxy.java:216)...

yzq666

Hi! Is it possible to use MediaRecorder instead of MediaEncoder. It is interesting for me because i want to record video into .ts format, but MediaMuxer can not do this!...

1goresha

The preview freezes when you press record on the Samsung a54

1

The preview freezes when you press record on the Samsung a54 (but it takes photos) on other smartphones everything works

TheSevaOne

test0项目里面，多次点击按钮开启关闭预览，大约30次左右会无响应。

3

git-tree

Modify the code to increase the frame rate to 30

7

I changed the code inUVCPreview. cpp to convert MJPEG directly to RGBX. I'm calling the function uvc_mjpeg2rgbx in theframe_mjpepe.c library,The frame rate can reach 30fps , but sometimes the conversion...

GoldenStrawberry

Getting multiple errors: Caused by: org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException: Could not resolve all files for configuration ':app:debugRuntimeClasspath'. Caused by: org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find com.serenegiant:common:2.12.5. Hot to build it?

RedwanSharafatKabir

After multiple attempts to open the UVC camera, it fails to reopen. Assistance is requested

2

"Hello, let me provide an overview of our usage pattern. We frequently need to open and close the camera multiple times. However, after repeated openings, we noticed significant heating of...

makeking

When we click a picture from the camera....then on returning to previous activity app freezes and after some secs crashes throwing following logs.

2

E/BufferQueueProducer: [unnamed-10193-1] dequeueBuffer: BufferQueue has been abandoned E/Surface: dequeueBuffer failed (No such device) E/BufferQueueProducer: [unnamed-10193-1] dequeueBuffer: BufferQueue has been abandoned E/Surface: dequeueBuffer failed (No such device) E/BufferQueueProducer: [unnamed-10193-1] dequeueBuffer: BufferQueue...

yuvraj24