视频创作的图片和音频的安卓 [英] Video Creation with Images and Audio in Android
本文介绍了视频创作的图片和音频的安卓的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想创建于Android的视频与一些图像和音频文件。 我搜索了这一点，发现有用的库是 OpenCV的，javacv和ffmpeg的。 我使用的库和随后的过程中给的链接 - https://github.com/bytedeco/javacv
我想知道这个过程
- 是本机开发套件是必要的任务。是否有必要即使我们有 。所以我们的文件，因为我使用我说上面的资源达到任务 通过简单地把.so文件在 armeabi 在库目录下的文件夹中。
- 我创建的视频，但要求是该视频应与声音加入
- 声音已经被用户和图像被记录在运行时必须被来自位图 其也以在运行时被创建。
解决方案
1）。请下载的驱动这个zip文件： https://drive.google.com/file/d/0B71R0Zw0m1zQM3RVOWNWM2poVHc/edit ？USP =共享
2）解压缩下载的zip，并把所有文件下同
赋予相同的给定库/ armeabi文件夹 
3）在activty使用下面code
请输入follwing文件。
进口静态com.google code.javacv.cpp.opencv_highgui.cvLoadImage;
进口com.google code.javacv.cpp.av codeC;
进口com.google code.javacv.cpp.opencv_core.IplImage;
和实际code此处
新的AsyncTask＆LT;虚空，虚空，虚空＆GT;（）{
ProgressDialog对话框;
在preExecute保护无效（）{
对话框=新ProgressDialog（MainActivity.this）;
dialog.setMessage（Genrating视频，请等待.........）;
dialog.setCancelable（假）;
dialog.show（）;
};
@覆盖
保护无效doInBackground（虚空......为arg0）{
文件夹=环境
.getExternalStoragePublicDirectory（Environment.DIRECTORY_DCIM）;
字符串路径= folder.getAbsolutePath（）+/摄像头;
ArrayList的＆LT;字符串＆GT;路径=（ArrayList的＆LT;字符串＆GT;）getListOfFiles（
路径，JPG）;
FFmpegFrameRecorder记录=新FFmpegFrameRecorder（路径
+/+test.mp4，400，400）;
将videoPath =路径+/+test.mp4;
尝试 {
//recorder.setVideo$c$cc(5）;
recorder.setVideo codeC（AV codec.AV_ codeC_ID_MPEG4）;
//recorder.setFormat("3gp）;
recorder.setFormat（MP4）;
recorder.setFrameRate（帧率）;
recorder.setVideoBitrate（30）;
的startTime = System.currentTimeMillis的（）;
recorder.start（）;
的for（int i = 0; I＆LT; paths.size（）;我++）{
IplImage的形象= cvLoadImage（路径+/+ paths.get（一））;
长T = 3000 *（System.currentTimeMillis的（） - startTime时）;
如果（T＆GT; recorder.getTimestamp（））{
recorder.setTimestamp（T）;
recorder.record（图像）;
}
}
的System.out.println（总时间： - + recorder.getTimestamp（））;
recorder.stop（）;
}赶上（例外五）{
e.printStackTrace（）;
}
返回null;
}
保护无效onPostExecute（无效的结果）{
dialog.dismiss（）;
意向意图=新的意图（Intent.ACTION_VIEW）;
intent.setDataAndType（Uri.parse（将videoPath），视频/ MP4）;
startActivity（意向）;
Toast.makeText（MainActivity.this，完成，Toast.LENGTH_SHORT）
。显示（）;
};
}。执行（）;
请自由地问，如果您有任何疑问。
I want to create a video in Android with some images and an audio file. I searched for that and found useful libraries for that are opencv, javacv and ffmpeg. I used that libraries and followed the process give on the link - https://github.com/bytedeco/javacv
I want to know for the process
- Is Native Development Kit is necessary for the task. Is it necessary even if we have .so files with us, Since I achieved the task with using the resources I stated above by simply putting the .so files in the armeabi folder of the libs directory.
- I created the video but the requirement is that the video should be added with the sound
- Sound has to be recorded at run-time by the user and images has to be come from bitmaps which are also to be created at run-time.
解决方案
1). Please download this zip file from drive: https://drive.google.com/file/d/0B71R0Zw0m1zQM3RVOWNWM2poVHc/edit?usp=sharing
2) unzip the downloaded zip and put all file same like given libs/armeabi folder given below
3) use below code in your activty
please import follwing file.
import static com.googlecode.javacv.cpp.opencv_highgui.cvLoadImage;
import com.googlecode.javacv.cpp.avcodec;
import com.googlecode.javacv.cpp.opencv_core.IplImage;
and actual code here
new AsyncTask<Void, Void, Void>() {
ProgressDialog dialog;
protected void onPreExecute() {
dialog = new ProgressDialog(MainActivity.this);
dialog.setMessage("Genrating video, Please wait.........");
dialog.setCancelable(false);
dialog.show();
};
@Override
protected Void doInBackground(Void... arg0) {
File folder = Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
String path = folder.getAbsolutePath() + "/Camera";
ArrayList<String> paths = (ArrayList<String>) getListOfFiles(
path, "jpg");
FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(path
+ "/" + "test.mp4", 400, 400);
videoPath = path + "/" + "test.mp4";
try {
//recorder.setVideoCodec(5);
recorder.setVideoCodec(avcodec.AV_CODEC_ID_MPEG4);
//recorder.setFormat("3gp");
recorder.setFormat("mp4");
recorder.setFrameRate(frameRate);
recorder.setVideoBitrate(30);
startTime = System.currentTimeMillis();
recorder.start();
for (int i = 0; i <paths.size(); i++) {
IplImage image = cvLoadImage(path + "/" + paths.get(i));
long t = 3000 * (System.currentTimeMillis() - startTime);
if (t > recorder.getTimestamp()) {
recorder.setTimestamp(t);
recorder.record(image);
}
}
System.out.println("Total Time:- " + recorder.getTimestamp());
recorder.stop();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(Void result) {
dialog.dismiss();
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse(videoPath), "video/mp4");
startActivity(intent);
Toast.makeText(MainActivity.this, "Done", Toast.LENGTH_SHORT)
.show();
};
}.execute();
please free to asked if you have any query.
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