本文整理汇总了Java中com.googlecode.mp4parser.authoring.tracks.CroppedTrack类的典型用法代码示例。如果您正苦于以下问题：Java CroppedTrack类的具体用法？Java CroppedTrack怎么用？Java CroppedTrack使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
CroppedTrack类属于com.googlecode.mp4parser.authoring.tracks包，在下文中一共展示了CroppedTrack类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: crop
import com.googlecode.mp4parser.authoring.tracks.CroppedTrack; //导入依赖的package包/类
private boolean crop() {
try {
// オリジナル動画を読み込み
String filePath = Environment.getExternalStorageDirectory() + "/sample1.mp4";
Movie originalMovie = MovieCreator.build(filePath);
// 分割
Track track = originalMovie.getTracks().get(0);
Movie movie = new Movie();
movie.addTrack(new AppendTrack(new CroppedTrack(track, 200, 400)));
// 出力
Container out = new DefaultMp4Builder().build(movie);
String outputFilePath = Environment.getExternalStorageDirectory() + "/output_crop.mp4";
FileOutputStream fos = new FileOutputStream(new File(outputFilePath));
out.writeContainer(fos.getChannel());
fos.close();
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
示例2: startTrim
import com.googlecode.mp4parser.authoring.tracks.CroppedTrack; //导入依赖的package包/类
public static void startTrim(File src, File dst, double startTime, double endTime) throws IOException {
FileDataSourceImpl file = new FileDataSourceImpl(src);
Movie movie = MovieCreator.build(file);
List<Track> tracks = movie.getTracks();
movie.setTracks(new LinkedList<Track>());
Log.d(TAG, "startTrim: " + startTime + " " + endTime);
for (Track track : tracks) {
long currentSample = 0;
double currentTime = 0;
long startSample = -1;
long endSample = -1;
for (int i = 0; i < track.getSampleDurations().length; i++) {
if (currentTime <= startTime) {
// current sample is still before the new starttime
startSample = currentSample;
}
if (currentTime <= endTime) {
// current sample is after the new start time and still before the new endtime
endSample = currentSample;
} else {
// current sample is after the end of the cropped video
break;
}
currentTime += (double) track.getSampleDurations()[i] / (double) track.getTrackMetaData().getTimescale();
currentSample++;
}
movie.addTrack(new CroppedTrack(track, startSample, endSample));
}
Container out = new DefaultMp4Builder().build(movie);
MovieHeaderBox mvhd = Path.getPath(out, "moov/mvhd");
mvhd.setMatrix(Matrix.ROTATE_180);
if (!dst.exists()) {
dst.createNewFile();
}
FileOutputStream fos = new FileOutputStream(dst);
WritableByteChannel fc = fos.getChannel();
try {
out.writeContainer(fc);
}catch (Exception e){
e.printStackTrace();
} finally {
fc.close();
fos.close();
file.close();
}
}