Java android中的视频压缩库？
我正在使用SilicCompressor库进行视频压缩。 我的视频大小是15 MB，压缩视频大小将达到500 kb 由于压缩的大小非常小，当点击压缩视频的播放按钮时，显示错误为无法播放视频 如何获得以MB为单位的压缩大小 这是我压缩后的代码Java android中的视频压缩库？,java,android,github,video,video-compression,Java,Android,Github,Video,Video Compression,我正在使用SilicCompressor库进行视频压缩。 我的视频大小是15 MB，压缩视频大小将达到500 kb 由于压缩的大小非常小，当点击压缩视频的播放按钮时，显示错误为无法播放视频 如何获得以MB为单位的压缩大小 这是我压缩后的代码 File imageFile = new File(compressedFilePath); float length = imageFile.length() / 1024f; // Size in KB System.ou
File imageFile = new File(compressedFilePath);
float length = imageFile.length() / 1024f; // Size in KB
System.out.println("length = " + length);
String value;
if (length >= 1024)
value = length / 1024f + " MB";
else
value = length + " KB";
class VideoCompressAsyncTask extends AsyncTask<String, String, String> {
Context mContext;
public VideoCompressAsyncTask(Context context) {
mContext = context;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected String doInBackground(String... paths) {
String filePath = null;
try {
filePath = SiliCompressor.with(mContext).compressVideo(paths[0], paths[1]);
} catch (URISyntaxException e) {
e.printStackTrace();
}
return filePath;
}
@Override
protected void onPostExecute(String compressedFilePath) {
super.onPostExecute(compressedFilePath);
File videoFile = new File(compressedFilePath);
}
}
class VideoCompressAsyncTask extends AsyncTask<String, String, String> {
Context mContext;
public VideoCompressAsyncTask(Context context) {
mContext = context;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected String doInBackground(String... paths) {
String filePath = null;
try {
filePath = SiliCompressor.with(mContext).compressVideo(paths[0], paths[1]);
} catch (URISyntaxException e) {
e.printStackTrace();
}
return filePath;
}
@Override
protected void onPostExecute(String compressedFilePath) {
super.onPostExecute(compressedFilePath);
File videoFile = new File(compressedFilePath);
}
}
这样试试 您可以使用LightCompressor库 调用compressVideo类并向其传递视频路径和所需的压缩视频位置
selectedVideo = data.getData();
compressVideo(getMediaPath(QabaelAdd.this,selectedVideo));
fpath=saveVideoFile(QabaelAdd.this,path).getPath(); //the compressed video location
private static File saveVideoFile(Context context, String filePath) throws IOException {
if (filePath != null) {
File videoFile = new File(filePath);
String videoFileName = "" + System.currentTimeMillis() + '_' + videoFile.getName();
String folderName = Environment.DIRECTORY_MOVIES;
if (Build.VERSION.SDK_INT < 30) {
File downloadsPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
File desFile = new File(downloadsPath, videoFileName);
if (desFile.exists()) {
desFile.delete();
}
try {
desFile.createNewFile();
} catch (IOException var61) {
var61.printStackTrace();
}
return desFile;
}
ContentValues var10 = new ContentValues();
boolean var11 = false;
boolean var12 = false;
var10.put("_display_name", videoFileName);
var10.put("mime_type", "video/mp4");
var10.put("relative_path", folderName);
var10.put("is_pending", 1);
ContentValues values = var10;
Uri collection = MediaStore.Video.Media.getContentUri("external_primary");
Uri fileUri = context.getContentResolver().insert(collection, values);
Void var10000;
if (fileUri != null) {
boolean var13 = false;
Closeable var18 = (Closeable)context.getContentResolver().openFileDescriptor(fileUri, "rw");
boolean var19 = false;
boolean var20 = false;
Throwable var73 = (Throwable)null;
try {
ParcelFileDescriptor descriptor = (ParcelFileDescriptor)var18;
if (descriptor != null) {
boolean var24 = false;
boolean var25 = false;
Closeable var28 = (Closeable)(new FileOutputStream(descriptor.getFileDescriptor()));
boolean var29 = false;
boolean var30 = false;
Throwable var74 = (Throwable)null;
try {
FileOutputStream out = (FileOutputStream)var28;
Closeable var33 = (Closeable)(new FileInputStream(videoFile));
boolean var34 = false;
boolean var35 = false;
Throwable var76 = (Throwable)null;
try {
FileInputStream inputStream = (FileInputStream)var33;
byte[] buf = new byte[4096];
while(true) {
int sz = inputStream.read(buf);
if (sz <= 0) {
Unit var77 = Unit.INSTANCE;
break;
}
out.write(buf, 0, sz);
}
} catch (Throwable var62) {
var76 = var62;
throw var62;
} finally {
//CloseableKt.closeFinally(var33, var76);
}
Unit var75 = Unit.INSTANCE;
} catch (Throwable var64) {
var74 = var64;
throw var64;
} finally {
//CloseableKt.closeFinally(var28, var74);
}
Unit var72 = Unit.INSTANCE;
} else {
var10000 = null;
}
} catch (Throwable var66) {
var73 = var66;
throw var66;
} finally {
//CloseableKt.closeFinally(var18, var73);
}
values.clear();
values.put("is_pending", 0);
context.getContentResolver().update(fileUri, values, (String)null, (String[])null);
return new File(QabaelAdd.getMediaPath(context, fileUri));
}
var10000 = (Void)null;
}
return null;
}
@NotNull
public static String getMediaPath(@NotNull Context context, @NotNull Uri uri) throws IOException {
Intrinsics.checkNotNullParameter(context, "context");
Intrinsics.checkNotNullParameter(uri, "uri");
ContentResolver resolver = context.getContentResolver();
String[] projection = new String[]{"_data"};
Cursor cursor = (Cursor)null;
String var30;
try {
File file;
String var57;
try {
cursor = resolver.query(uri, projection, (String)null, (String[])null, (String)null);
if (cursor != null) {
int columnIndex = cursor.getColumnIndexOrThrow("_data");
cursor.moveToFirst();
var57 = cursor.getString(columnIndex);
Intrinsics.checkNotNullExpressionValue(var57, "cursor.getString(columnIndex)");
} else {
var57 = "";
}
return var57;
} catch (Exception var53) {
String filePath = context.getApplicationInfo().dataDir + File.separator + System.currentTimeMillis();
file = new File(filePath);
InputStream var10000 = resolver.openInputStream(uri);
if (var10000 != null) {
Closeable var13 = (Closeable)var10000;
InputStream inputStream = (InputStream)var13;
Closeable var18 = (Closeable)(new FileOutputStream(file));
FileOutputStream outputStream = (FileOutputStream)var18;
byte[] buf = new byte[4096];
while(true) {
int var25 = inputStream.read(buf);
if (var25 <= 0) {
break;
}
outputStream.write(buf, 0, var25);
}
}
}
var57 = file.getAbsolutePath();
Intrinsics.checkNotNullExpressionValue(var57, "file.absolutePath");
var30 = var57;
} finally {
if (cursor != null) {
cursor.close();
}
}
return var30;
}
private void compressVideo(String path){
VideoCompressor.start(path,fpath , new CompressionListener() {
@Override
public void onStart() {
// Compression start
}
@Override
public void onSuccess() {
// On Compression success
Uri uploadUri = Uri.fromFile(new File(fpath));
Log.e("is dir", String.valueOf(new File(fpath).isDirectory()));
uploadVideoMethod(uploadUri); //upload the video
}
@Override
public void onFailure(String failureMessage) {
// On Failure
Log.e("fail", failureMessage);
Toast.makeText(QabaelAdd.this, "failed to compress video", Toast.LENGTH_LONG).show();
}
@Override
public void onProgress(float v) {
// Update UI with progress value
runOnUiThread(new Runnable() {
public void run() {
progressDialog.setMessage(" جاري تهيئة الفيديو "+String.valueOf(Math.round(v))+"%");
Log.e("progress", String.valueOf(v));
}
});
}
@Override
public void onCancelled() {
// On Cancelled
}
}, VideoQuality.MEDIUM, false, false);
}
您可以使用LightCompressor库 调用compressVideo类并向其传递视频路径和所需的压缩视频位置
selectedVideo = data.getData();
compressVideo(getMediaPath(QabaelAdd.this,selectedVideo));
fpath=saveVideoFile(QabaelAdd.this,path).getPath(); //the compressed video location
private static File saveVideoFile(Context context, String filePath) throws IOException {
if (filePath != null) {
File videoFile = new File(filePath);
String videoFileName = "" + System.currentTimeMillis() + '_' + videoFile.getName();
String folderName = Environment.DIRECTORY_MOVIES;
if (Build.VERSION.SDK_INT < 30) {
File downloadsPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
File desFile = new File(downloadsPath, videoFileName);
if (desFile.exists()) {
desFile.delete();
}
try {
desFile.createNewFile();
} catch (IOException var61) {
var61.printStackTrace();
}
return desFile;
}
ContentValues var10 = new ContentValues();
boolean var11 = false;
boolean var12 = false;
var10.put("_display_name", videoFileName);
var10.put("mime_type", "video/mp4");
var10.put("relative_path", folderName);
var10.put("is_pending", 1);
ContentValues values = var10;
Uri collection = MediaStore.Video.Media.getContentUri("external_primary");
Uri fileUri = context.getContentResolver().insert(collection, values);
Void var10000;
if (fileUri != null) {
boolean var13 = false;
Closeable var18 = (Closeable)context.getContentResolver().openFileDescriptor(fileUri, "rw");
boolean var19 = false;
boolean var20 = false;
Throwable var73 = (Throwable)null;
try {
ParcelFileDescriptor descriptor = (ParcelFileDescriptor)var18;
if (descriptor != null) {
boolean var24 = false;
boolean var25 = false;
Closeable var28 = (Closeable)(new FileOutputStream(descriptor.getFileDescriptor()));
boolean var29 = false;
boolean var30 = false;
Throwable var74 = (Throwable)null;
try {
FileOutputStream out = (FileOutputStream)var28;
Closeable var33 = (Closeable)(new FileInputStream(videoFile));
boolean var34 = false;
boolean var35 = false;
Throwable var76 = (Throwable)null;
try {
FileInputStream inputStream = (FileInputStream)var33;
byte[] buf = new byte[4096];
while(true) {
int sz = inputStream.read(buf);
if (sz <= 0) {
Unit var77 = Unit.INSTANCE;
break;
}
out.write(buf, 0, sz);
}
} catch (Throwable var62) {
var76 = var62;
throw var62;
} finally {
//CloseableKt.closeFinally(var33, var76);
}
Unit var75 = Unit.INSTANCE;
} catch (Throwable var64) {
var74 = var64;
throw var64;
} finally {
//CloseableKt.closeFinally(var28, var74);
}
Unit var72 = Unit.INSTANCE;
} else {
var10000 = null;
}
} catch (Throwable var66) {
var73 = var66;
throw var66;
} finally {
//CloseableKt.closeFinally(var18, var73);
}
values.clear();
values.put("is_pending", 0);
context.getContentResolver().update(fileUri, values, (String)null, (String[])null);
return new File(QabaelAdd.getMediaPath(context, fileUri));
}
var10000 = (Void)null;
}
return null;
}
@NotNull
public static String getMediaPath(@NotNull Context context, @NotNull Uri uri) throws IOException {
Intrinsics.checkNotNullParameter(context, "context");
Intrinsics.checkNotNullParameter(uri, "uri");
ContentResolver resolver = context.getContentResolver();
String[] projection = new String[]{"_data"};
Cursor cursor = (Cursor)null;
String var30;
try {
File file;
String var57;
try {
cursor = resolver.query(uri, projection, (String)null, (String[])null, (String)null);
if (cursor != null) {
int columnIndex = cursor.getColumnIndexOrThrow("_data");
cursor.moveToFirst();
var57 = cursor.getString(columnIndex);
Intrinsics.checkNotNullExpressionValue(var57, "cursor.getString(columnIndex)");
} else {
var57 = "";
}
return var57;
} catch (Exception var53) {
String filePath = context.getApplicationInfo().dataDir + File.separator + System.currentTimeMillis();
file = new File(filePath);
InputStream var10000 = resolver.openInputStream(uri);
if (var10000 != null) {
Closeable var13 = (Closeable)var10000;
InputStream inputStream = (InputStream)var13;
Closeable var18 = (Closeable)(new FileOutputStream(file));
FileOutputStream outputStream = (FileOutputStream)var18;
byte[] buf = new byte[4096];
while(true) {
int var25 = inputStream.read(buf);
if (var25 <= 0) {
break;
}
outputStream.write(buf, 0, var25);
}
}
}
var57 = file.getAbsolutePath();
Intrinsics.checkNotNullExpressionValue(var57, "file.absolutePath");
var30 = var57;
} finally {
if (cursor != null) {
cursor.close();
}
}
return var30;
}
private void compressVideo(String path){
VideoCompressor.start(path,fpath , new CompressionListener() {
@Override
public void onStart() {
// Compression start
}
@Override
public void onSuccess() {
// On Compression success
Uri uploadUri = Uri.fromFile(new File(fpath));
Log.e("is dir", String.valueOf(new File(fpath).isDirectory()));
uploadVideoMethod(uploadUri); //upload the video
}
@Override
public void onFailure(String failureMessage) {
// On Failure
Log.e("fail", failureMessage);
Toast.makeText(QabaelAdd.this, "failed to compress video", Toast.LENGTH_LONG).show();
}
@Override
public void onProgress(float v) {
// Update UI with progress value
runOnUiThread(new Runnable() {
public void run() {
progressDialog.setMessage(" جاري تهيئة الفيديو "+String.valueOf(Math.round(v))+"%");
Log.e("progress", String.valueOf(v));
}
});
}
@Override
public void onCancelled() {
// On Cancelled
}
}, VideoQuality.MEDIUM, false, false);
}
我使用了相同的库，压缩的视频给出了错误。仍然得到相同的错误，10Mb的文件被压缩为400KB的文件。我想增加压缩文件的大小。还有更好的方法吗？为什么要压缩10 MB的文件？只需检查长度是否大于20MB，然后进行压缩。还要检查目标路径。文件应以视频格式保存。然后你就可以玩了。无论大小是400 kb还是15 mb。是的，我的目标路径文件格式为.mp4格式，但无法播放视频idk。这是什么错误？我使用了相同的库，压缩视频出现错误。仍然出现相同的错误，10Mb文件压缩为400KB文件。我想增加压缩文件的大小。还有更好的方法吗？为什么要压缩10 MB的文件？只需检查长度是否大于20MB，然后进行压缩。还要检查目标路径。文件应以视频格式保存。然后你就可以玩了。无论大小是400 kb还是15 mb。是的，我的目标路径文件格式为.mp4格式，但无法播放视频idk。这是什么错误？您可能有路径问题。试试我的答案。没有必要发问号。此外，询问库会导致您的问题被关闭为非主题，因为我们这里不处理非站点资源。您可能有路径问题。试试我的答案。没有必要发问号。此外，询问库会导致您的问题被关闭为非主题，因为我们这里不处理非站点资源。压缩需要多少时间？对我来说，5分钟录制的视频压缩大约需要3-4分钟。你可以更改压缩质量以减少压缩时间，也可以将视频最大时间指定为2分钟。如果我降低压缩质量，则不会有太多更改。有没有办法在拍摄过程中减小视频的大小？压缩需要多少时间？对我来说，5分钟录制的视频压缩大约需要3-4分钟。你可以更改压缩质量以减少压缩时间，也可以将视频最大时间指定为2分钟。如果我降低压缩质量，则不会有太多更改。在拍摄过程中减少视频大小的任何方法。。