android-mediarecorder

问题 I need to record the video and save it but I get error on start() method of media recorder: failed - 19 (what is this error supposed to be? There is no comment on it in documentation :( ) I'm fighting with this error second day, I have tried multiple codes (google tutorial, intel sample, ...) I found all over the web, but couldn't make work any of them. Please help me find what is causing the problem. I'm even starting to doubt that my mobile phone (SE live, wt19i ) is capable of recording

问题 I am trying to record audio in one of my Activities using MediaRecorder. Part of the code is shown below. File file = new File(AppConstants.MSGS_DIR, filename); MediaRecorder recorder = new MediaRecorder(); recorder.setAudioSource(AudioSource.MIC); recorder.setOutputFormat(OutputFormat.THREE_GPP); recorder.setAudioEncoder(AudioEncoder.AMR_WB); recorder.setOutputFile(file.getAbsolutePath()); try { recorder.prepare(); recorder.start(); } catch (IOException e) { System.out.println("Exception: "

问题 I am trying to record audio in one of my Activities using MediaRecorder. Part of the code is shown below. File file = new File(AppConstants.MSGS_DIR, filename); MediaRecorder recorder = new MediaRecorder(); recorder.setAudioSource(AudioSource.MIC); recorder.setOutputFormat(OutputFormat.THREE_GPP); recorder.setAudioEncoder(AudioEncoder.AMR_WB); recorder.setOutputFile(file.getAbsolutePath()); try { recorder.prepare(); recorder.start(); } catch (IOException e) { System.out.println("Exception: "

问题 I am creating an instrument. I want that the record button can record the audio and what was tapped. But when I tap the record button, it only record the audio. I want to record the audio and what was tapped by the user. Here it my code for record. public void startRecord() throws Exception { record = new MediaRecorder(); record.setAudioSource(MediaRecorder.AudioSource.MIC); record.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); record.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB)

问题 I'm trying to record video using MediaRecorder and get raw frames (byte arrays) from onPreviewFrame callback method Seems it's not that easy, mb it's not even possible, I don't know... But I found some answers (for similar questions) and people say that you should reconnect camera instance ( Camera.reconnect() ) after calling MediaRecorder.start() and set preview callback again I tried something like this but it doesn't work (recording works but onPreviewFrame is never called) I also tried to

问题 I am developing an application, in which i need to capture the audio being played. So i implemented OnAudioFocusChangeListener in my activity to listen for any audio changes. But the listener is not getting called when music is played or paused. Below is my code public class AudioManagerExample extends Activity implements OnAudioFocusChangeListener{ AudioReceiver adreceiver; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout

问题 I am implementing an Application that includes the functionality of saving Recorded Video in to Different Video Files based on a certain amount of Time. For Achieving that i have implemented a Custom Camera and used the MediaRecorder.stop() and MediaRecorder.start() in a certain Loop. But this approach is creating a Lag Effect while restarting Media Recorder (Stop and Start). Is it possible to seamlessly Stop and Start Recording using Media Recorder or any Third Party Library ? Any help is

问题 I want to implement pause/resume functionality while recording video. MediaRecorder is not having any method for pause/resume. Native camera application is having pause/resume feature. Is it possible to implement it? Please guide me. Any help or guidance will be well appreciated. 回答1: Finally i find the answer :) i research about ffmpeg it seems more deeply and some more days digging around it but can't get proper resource for ffmepg and i try to use mp4parser lib and successfully completed

问题 Question Statement: I want to start recording when there is some Voice/Noise in vicinity of Phones MIC and stop when user stops speaking. Just Like Talking Tom etc. Is there any third party library or some native code to do this? Thanks 回答1: Just add this code to your application and you will detect when user start to speak and when he stops. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Get the minimum buffer size

问题 Question Statement: I want to start recording when there is some Voice/Noise in vicinity of Phones MIC and stop when user stops speaking. Just Like Talking Tom etc. Is there any third party library or some native code to do this? Thanks 回答1: Just add this code to your application and you will detect when user start to speak and when he stops. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Get the minimum buffer size