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Other interesting software
13 avril 2011, parWe don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
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Videopress
Website : http://videopress.com/
License : GNU/GPL v2
Source code : (...)
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Evolution #4182 : Changer le statut par simple sélection dans la liste sans avoir à cliquer sur [C...
18 novembre 2018, par RastaPopoulos ♥Je suis assez d’accord que c’est pas super ergonomique actuellement. En fait, quand une action (un form) ne comporte vraiment qu’un et un seul champ, et qu’en plus c’est pas un champ libre (comme la recherche), c’est mieux de trouver une méthode pour que l’action se fasse directement. Dans divers framework CSS, ya des systèmes de menus déroulants qui peuvent comporter ce qu’on veut dedans, lien ou bouton/form, à terme ce serait peut-être mieux. Ça se présenterait comme une liste déroulante, mais en HTML ça serait bien des boutons d’action (suivant la norme qu’une action n’est pas un lien donc doit être un bouton).
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FFmpeg Processes keep running even after finishAndRemoveTask()
9 octobre 2018, par katarotyI have a program that gets
Audio filesand converts them usingBravobit FFmpegBravobit FFmpeg github.It works as intended until someone minimizes screen during the convertion process. I am trying to fix that but so far I have not been successful.
This part is in the
Main Activitythat creates and starts myAudioProcessor:AudioProcessor ac = new AudioProcessor(getApplicationContext(), PostNewActivity.this);
ac.setBackgroundMp3File(backgroundAudio);
ac.setMicPcmFile(micOutputPCM);
ac.setOutputFile(tempOutFile);
ac.setListener(new AudioProcessor.AudioProcessorListener() {
public void onStart() {
Log.d("Audioprocessor", "Audioprocessor is successful");
}
public void onSuccess(File output) {
Log.d("Audioprocessor", "Audioprocessor is successful");
goToPublishView();
}
public void onError(String message) {
System.out.println("Audioprocessor: " + message);
}
public void onFinish() {
Log.d("Audioprocessor", "Audioprocessor is finshed");
}
});
try {
if (tempOutFile.exists()) {
tempOutFile.delete();
}
ac.process();
} catch (Exception ex) {
System.out.println("Processing failed!");
ex.printStackTrace();
}And here is the
AudioProcessoritself :public class AudioProcessor {
private Context context;
private FFmpeg ffmpeg;
private AudioProcessorListener listener;
private File micPcmFile;
private File backgroundMp3File;
private File pcmtowavTempFile;
private File mp3towavTempFile;
private File combinedwavTempFile;
private File outputFile;
private File volumeChangedTempFile;
TextView extensionDownload, percentProgress;
public AudioProcessor(Context context, Activity activity) {
ffmpeg = null;
ffmpeg = FFmpeg.getInstance(context);
percentProgress = activity.findViewById(R.id.percentProgress);
percentProgress.setSingleLine(false);
this.context = context;
prepare();
}
/**
* Program main method. Starts running program
* @throws Exception
*/
public void process() throws Exception {
if (!ffmpeg.isSupported()) {
Log.e("AudioProcessor", "FFMPEG not supported! Cannot convert audio!");
throw new Exception("FFMPeg has to be supported");
}
if (!checkIfAllFilesPresent()) {
Log.e("AudioProcessor", "All files are not set yet. Please set file first");
throw new Exception("Files are not set!");
}
Log.e("AudioProcessor", "Start processing audio");
listener.onStart();
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
convertPCMToWav();
}
}, 200);
}
/**
* Prepares program
*/
private void prepare() {
prepareTempFiles();
}
/**
* Converts PCM to wav file. Automatically create new file.
*/
private void convertPCMToWav() {
Log.e("AudioProcessor", "Convert PCM TO Wav");
//ffmpeg -f s16le -ar 44.1k -ac 2 -i file.pcm file.wav
String[] cmd = { "-f" , "s16le", "-ar", "44.1k", "-i", micPcmFile.toString(), "-y", pcmtowavTempFile.toString()};
ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
super.onStart();
percentProgress.setVisibility(View.VISIBLE);
percentProgress.setText("Converting your recording\n"+"1/5");
}
@Override
public void onSuccess(String message) {
super.onSuccess(message);
convertMP3ToWav();
}
@Override
public void onFailure(String message) {
super.onFailure(message);
onError(message);
convertPCMToWav();
}
});
}
/**
* Converts mp3 file to wav file.
* Automatically creates Wav file
*/
private void convertMP3ToWav() {
Log.e("AudioProcessor", "Convert MP3 TO Wav");
//ffmpeg -i file.mp3 file.wav
String[] cmd = { "-i" , backgroundMp3File.toString(), "-y", mp3towavTempFile.toString() };
ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
super.onStart();
percentProgress.setText("Converting background audio\n"+"2/5");
Log.e("AudioProcessor", "Starging convertgf MP3 TO Wav");
}
@Override
public void onSuccess(String message) {
super.onSuccess(message);
changeMicAudio();
}
@Override
public void onFailure(String message) {
super.onFailure(message);
Log.e("AudioProcessor", "Failed to convert MP3 TO Wav");
//onError(message);
throw new RuntimeException("Failed to convert MP3 TO Wav");
//convertMP3ToWav();
}
});
}
/**
* Combines 2 wav files into one wav file. Overlays audio
*/
private void combineWavs() {
Log.e("AudioProcessor", "Combine wavs");
//ffmpeg -i C:\Users\VR1\Desktop\_mp3.wav -i C:\Users\VR1\Desktop\_pcm.wav -filter_complex amix=inputs=2:duration=first:dropout_transition=3 C:\Users\VR1\Desktop\out.wav
String[] cmd = { "-i" , pcmtowavTempFile.toString(), "-i", volumeChangedTempFile.toString(), "-filter_complex", "amix=inputs=2:duration=first:dropout_transition=3", "-y",combinedwavTempFile.toString()};
ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
super.onStart();
percentProgress.setText("Combining the two audio files\n"+"4/5");
}
@Override
public void onSuccess(String message) {
super.onSuccess(message);
encodeWavToAAC();
}
@Override
public void onFailure(String message) {
super.onFailure(message);
onError(message);
}
});
}
private void changeMicAudio(){
Log.e("AudioProcessor", "Change audio volume");
//ffmpeg -i input.wav -filter:a "volume=1.5" output.wav
String[] cmdy = { "-i", mp3towavTempFile.toString(), "-af", "volume=0.9", "-y",volumeChangedTempFile.toString()};
ffmpeg.execute(cmdy, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
super.onStart();
percentProgress.setText("Normalizing volume\n"+"3/5");
}
@Override
public void onSuccess(String message) {
combineWavs();
super.onSuccess(message);
}
@Override
public void onFailure(String message) {
super.onFailure(message);
Log.e("AudioProcessor", message);
}
});
}
/**
* Do something on error. Releases program data (deletes files)
* @param message
*/
private void onError(String message) {
release();
if (listener != null) {
//listener.onError(message);
}
}
/**
* Encode to AAC
*/
private void encodeWavToAAC() {
Log.e("AudioProcessor", "Encode to AAC");
//ffmpeg -i file.wav -c:a aac -b:a 128k -f adts output.m4a
String[] cmd = { "-i" , combinedwavTempFile.toString(), "-c:a", "aac", "-b:a", "128k", "-f", "adts", "-y",outputFile.toString()};
ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
super.onStart();
percentProgress.setText("Normalizing volume\n"+"3/5");
}
@Override
public void onSuccess(String message) {
super.onSuccess(message);
if (listener != null) {
listener.onSuccess(outputFile);
}
release();
}
@Override
public void onFailure(String message) {
super.onFailure(message);
onError(message);
encodeWavToAAC();
}
});
}
/**
* Uninitializes class
*/
private void release() {
if (listener != null) {
listener.onFinish();
}
destroyTempFiles();
}
/**
* Prepares temp required files by deleteing them if they exsist.
* Files cannot exists before ffmpeg actions. FFMpeg automatically creates those files.
*/
private void prepareTempFiles() {
pcmtowavTempFile = new File(context.getFilesDir()+ Common.TEMP_LOCAL_DIR + "/" + "_pcm.wav");
mp3towavTempFile = new File(context.getFilesDir()+ Common.TEMP_LOCAL_DIR + "/" + "_mp3.wav");
combinedwavTempFile = new File(context.getFilesDir()+ Common.TEMP_LOCAL_DIR + "/" + "_combined.wav");
volumeChangedTempFile = new File(context.getFilesDir()+ Common.TEMP_LOCAL_DIR + "/" + "_volumeChanged.wav");
destroyTempFiles();
}
/**
* Destroys temp required files
*/
private void destroyTempFiles() {
pcmtowavTempFile.delete();
mp3towavTempFile.delete();
combinedwavTempFile.delete();
volumeChangedTempFile.delete();
}
/**
* Checks if all files are set, so we can process them
* @return - all files ready
*/
private boolean checkIfAllFilesPresent() {
if(micPcmFile == null || backgroundMp3File == null || outputFile == null) {
Log.e("AudioProcessor", "All files are not set! Set all files!");
return false;
}
return true;
}
public void setOutputFile(File outputFile) {
this.outputFile = outputFile;
}
public void setListener(AudioProcessorListener listener) {
this.listener = listener;
}
public void setMicPcmFile(File micPcmFile) {
this.micPcmFile = micPcmFile;
}
public void setBackgroundMp3File(File backgroundMp3File) {
this.backgroundMp3File = backgroundMp3File;
}
public interface AudioProcessorListener {
void onStart();
void onSuccess(File output);
void onError(String message);
void onFinish();
}
}How I am usually testing it and getting the crashes is letting the
AudioProcessorget to the 2nd method, which isconvertMP3ToWav()and then close the application. When I start it back up again and start processing the files the application crashes.I have tried many ways and I thought about throwing the application back to start when it is minimized with this code in the
Main Activity@Override
protected void onUserLeaveHint()
{
if (Build.VERSION.SDK_INT >= 21) {
finishAndRemoveTask();
} else {
finish();
}
}I thought that it would stop everything but it still kept crashing. After doing some debugging I found that even when I minimize the app and do the
finishAndRemoveTask()theAudioProcessoris still working and it still does all of theffmpegcommands and even calls theonSuccess()/onFinish()methods.How can I completely stop everything or at least stop and clear the
AudioProcessorwhen the application is minimized ?
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