video-recording

问题 I am displaying the camera video in Kivy, but I can't find a way to record the video, I tried to use OpenCV Videowriter but because of the updating ( Clock.schedule_interval(self.update, 1.0/33.0)) it is constantly overwriting so the video that it saved is one image, does anybody have an alternative way. 回答1: Please look into the below code which may serve your purpose. The main code is taken from the link: https://www.codingforentrepreneurs.com/blog/how-to-record-video-in-opencv-python. I

问题 I am displaying the camera video in Kivy, but I can't find a way to record the video, I tried to use OpenCV Videowriter but because of the updating ( Clock.schedule_interval(self.update, 1.0/33.0)) it is constantly overwriting so the video that it saved is one image, does anybody have an alternative way. 回答1: Please look into the below code which may serve your purpose. The main code is taken from the link: https://www.codingforentrepreneurs.com/blog/how-to-record-video-in-opencv-python. I

问题 I am recording a video in android like this List<Camera.Size> list = myCamera.getParameters().getSupportedPictureSizes(); Parameters parameters = myCamera.getParameters(); parameters.setColorEffect(coloreffects.get(index_color_effect)); myCamera.setParameters(parameters); mediaRecorder = new MediaRecorder(); myCamera.unlock(); mediaRecorder.setCamera(myCamera); mediaRecorder.setOrientationHint(90); mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER); mediaRecorder.setVideoSource

问题 I want to record live webcam video on mac OS using ffmpeg in any format. I tried a lot but not able to find out command for recoding of video. So Please any one can tell me ffmpeg command for capture video using web cam for mac os. Thanx in advance. 回答1: for mac os try: ffmpeg -f avfoundation -i "0" -f mpeg1video -b:v 800k -r 30 回答2: FFmpeg can't record using the iSight camera. But, this dude shows how to record a time lapse video on Mac using the cmd-line. 来源： https://stackoverflow.com

问题 I want to record live webcam video on mac OS using ffmpeg in any format. I tried a lot but not able to find out command for recoding of video. So Please any one can tell me ffmpeg command for capture video using web cam for mac os. Thanx in advance. 回答1: for mac os try: ffmpeg -f avfoundation -i "0" -f mpeg1video -b:v 800k -r 30 回答2: FFmpeg can't record using the iSight camera. But, this dude shows how to record a time lapse video on Mac using the cmd-line. 来源： https://stackoverflow.com

问题 I am working on an app in which I am using Surface View only for preview of frames. Can anyone tell me how can I record videos of this SurfaceView preview? 回答1: You have 3 possibilities : 1 - Capture each frame of your SurfaceView and store all the captured bitmaps into an array, after that you can encode it to a video file using MediaRecord Here's a full example of how it works : ViewRecorder 2 - Using EZFilter (I've already tested) , It's a little long but it's worth a try : XML :

问题 I have recording app implementation where user can tap the "record" button to start/stop recording. I achieve this with a basic GPUImageVideoCamera with output set to a GPUImageView as well as a GPUImageMovieWriter . 50% of the time, the recorded clip ends up with a couple (or a single) black frame at either ends, sometimes both. The implementation is fairly straightforward, but here is it anyway. gpuImageView = [[GPUImageView alloc] initWithFrame:cameraView.frame]; gpuImageView.fillMode =

来源： https://stackoverflow.com/questions/21264592/android-split-video-during-capture

来源： https://stackoverflow.com/questions/17877646/ios-record-video-first-frame-is-black

来源： https://stackoverflow.com/questions/17877646/ios-record-video-first-frame-is-black