用于 AR 的 Android 视频流捕获
我希望能够从 Android 手机摄像头捕获视频，然后处理该视频。处理涉及向直播流添加一层 AR。这在安卓上可行吗？很确定应该是这样。
我查看了android网站[http://developer.android.com /guide/topics/media/index.html] 但这似乎与视频捕获和存储有关。我希望能够播放视频预存储。
谢谢，
I would like to be able to capture the video from an android phone camera, and then process this video. Processing involves adding a layer of AR to the live stream. Is this possible on android? Pretty sure it should be.
I have looked at the android site [http://developer.android.com/guide/topics/media/index.html] but this seems to be concerned with video capture and storage. I would like to be able to play with the video pre-storage.
Thanks,
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根据您希望数据的实时程度，您可以使用 <代码>Camera.setPreviewCallback与
Camera.PreviewCallback#onPreviewFrame监听来自相机的预览帧。有关使用的示例可以在 ZXing 源代码（又名条码扫描器）源代码。
Depending on how real-time you want the data to be, you can potentially use
Camera.setPreviewCallbackwithCamera.PreviewCallback#onPreviewFrameto listen for preview frames coming from the camera.An example on usage can be found in the ZXing source code (a.k.a. Barcode Scanner) source code.
我正在研究这个问题。我个人认为最好使用Android MediaRecorder中的视频流，而不是previewPicture中的视频流，因为后者只是一些样本，帧速率较低。
I am studying the problem. Personally I think it is better to use video streams from Android MediaRecorder, rather than from previewPicture, because the latter is just some samples, with lower frame rate.