JavaCV
Java interface to OpenCV and more.
Merging 2 videos using JavaCV, second video has no sound
아래의 예제는, 하나의 MP3, 세 개의 비디오를 JavaCV를 사용하여 연결하는 방법이다.
try {
FrameGrabber mp3Grabber = new FFmpegFrameGrabber(MOVIE_INTRO_BGM_PATH);
mp3Grabber.start();
FrameGrabber grabber1 = new FFmpegFrameGrabber(kIntroMoviePath);
grabber1.start();
FrameGrabber grabber2 = new FFmpegFrameGrabber(kMainMoviePath);
grabber2.start();
FrameGrabber grabber3 = new FFmpegFrameGrabber(kEndingMoviePath);
grabber3.start();
int audioChannels = mp3Grabber.getAudioChannels();
int sampleFormat = mp3Grabber.getSampleFormat();
int sampleRate = mp3Grabber.getSampleRate();
FrameRecorder recorder2 = new FFmpegFrameRecorder(kMergeVideoPath, grabber2.getImageWidth(), grabber2.getImageHeight(),
mp3Grabber.getAudioChannels());
recorder2.setFrameRate(grabber2.getFrameRate());
// recorder2.setSampleFormat(mp3Grabber.getSampleFormat());
// recorder2.setSampleFormat(grabber2.getSampleFormat());
recorder2.setFormat("mp4");
recorder2.setSampleRate(mp3Grabber.getSampleRate());
recorder2.start();
Frame frame;
Frame frame2;
IplImage image;
Buffer[] buffer;
while ((frame = grabber1.grabFrame()) != null) {
frame2 = mp3Grabber.grabFrame();
recorder2.record(frame2);
recorder2.record(frame);
grabber1.getFrameNumber());
}
Log.i("mergeVideo", "after while1");
while ((frame = grabber2.grabFrame()) != null) {
frame2 = mp3Grabber.grabFrame();
recorder2.record(frame2);
recorder2.record(frame);
Log.i("mergeVideo", "while2");
}
Log.i("mergeVideo", "Recorder.stop");
while ((frame = grabber3.grabFrame()) != null) {
frame2 = mp3Grabber.grabFrame();
recorder2.record(frame2);
recorder2.record(frame);
Log.i("mergeVideo", "while3");
}
Log.i("mergeVideo", "Recorder.stop");
recorder2.stop();
grabber3.stop();
grabber2.stop();
grabber1.stop();
mp3Grabber.stop();
Log.i("mergeVideo", "end concatenate");
successMerge = true;
} catch (com.googlecode.javacv.FrameRecorder.Exception e) {
Log.i("mergeVideo", "FrameRecorder exception: " + e.toString());
} catch (Exception e) {
Log.i("mergeVideo", "Unknown exception: " + e.toString());
}