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Médias (2)
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Exemple de boutons d’action pour une collection collaborative
27 février 2013, par
Mis à jour : Mars 2013
Langue : français
Type : Image
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Exemple de boutons d’action pour une collection personnelle
27 février 2013, par
Mis à jour : Février 2013
Langue : English
Type : Image
Autres articles (55)
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List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...) -
Les vidéos
21 avril 2011, parComme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...) -
Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
Sur d’autres sites (6300)
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I want help in making video collage, tried everything but unsuccessful
16 mars 2016, par Haider AliI want to make Video Collage in which 2 or more videos should be displayed in one frame and then they can be converted into one Video file.
I tried examples but they just add videos at the end of each video to make a long one combine video.
Any Help PleaseString FILE_PATH = "/storage/sdcard0/testing.mp4";
String FILE_PATH2 = "/storage/sdcard0/testing1.mp4";
String FILE_PATH3 = "/storage/sdcard0/testing2.mp4";
File file1 = new File(FILE_PATH);
File file2 = new File(FILE_PATH2);
File file3 = new File(FILE_PATH3);
private ProgressDialog pDialog;
ImageView img,img2,img3;
MediaMetadataRetriever retriever2 = new MediaMetadataRetriever();
MediaMetadataRetriever retriever3 = new MediaMetadataRetriever();
ArrayList<bitmap> bitmapArray1 = new ArrayList<bitmap>();
ArrayList<bitmap> bitmapArray2 = new ArrayList<bitmap>();
ArrayList<bitmap> bitmapArray3 = new ArrayList<bitmap>();
File ScreenDIR = new File("/sdcard/Screens/");
</bitmap></bitmap></bitmap></bitmap></bitmap></bitmap>// have the object build the directory structure, if needed.
double id1=0,id2=0,id3=0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ScreenDIR.mkdirs();
img = (ImageView)findViewById(R.id.imageView);
img2 = (ImageView)findViewById(R.id.imageView2);
img3 = (ImageView)findViewById(R.id.imageView3);
new LoadAllProducts().execute();
}
class LoadAllProducts extends AsyncTask {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(MainActivity.this);
pDialog.setMessage("Extracting Frames. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
}
/**
* getting All products from url
* */
protected String doInBackground(String... args) {
if(file1.exists()){
for (long i = 0; i < 5000; i += 1000/14) { // lenms - video length in milliseconds
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
retriever.setDataSource(file1.toString());
// Bitmap bitmap = retriever.getFrameAtTime((i*1000/14), MediaMetadataRetriever.OPTION_CLOSEST_SYNC);
saveBitmapToCahche( getResizedBitmap((retriever.getFrameAtTime((i*1000/14), MediaMetadataRetriever.OPTION_CLOSEST_SYNC)), 500) ,String.valueOf(id1));
id1++;
//bitmapArray1.add(bitmap);
/* File file = new File(ScreenDIR, "sketchpad1" + id1 + ".png");
FileOutputStream fOut = null;
try {
fOut = new FileOutputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
//bitmap.compress(Bitmap.CompressFormat.PNG, 30, fOut);
try {
fOut.flush();
} catch (IOException e) {
e.printStackTrace();
}
try {
fOut.close();
} catch (IOException e) {
e.printStackTrace();
}*/
}
}
/* if(file2.exists()){
retriever2.setDataSource(file2.toString());
for (long i = 0; i < 3000; i += 1000/24) { // lenms - video length in milliseconds
bitmap2 = retriever2.getFrameAtTime(i*1000/29, MediaMetadataRetriever.OPTION_CLOSEST_SYNC);
//bitmapArray2.add(bitmap2);
File file = new File(ScreenDIR, "sketchpad2" + id2 + ".png");
FileOutputStream fOut = null;
try {
fOut = new FileOutputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
bitmap2.compress(Bitmap.CompressFormat.PNG, 85, fOut);
try {
fOut.flush();
} catch (IOException e) {
e.printStackTrace();
}
try {
fOut.close();
id2++;
} catch (IOException e) {
e.printStackTrace();
}
}
}
if(file3.exists()){
retriever3.setDataSource(file3.toString());
for (long i = 0; i < 3000; i += 1000/24) { // lenms - video length in milliseconds
bitmap3 = retriever3.getFrameAtTime(i*1000/29, MediaMetadataRetriever.OPTION_CLOSEST_SYNC);
// bitmapArray3.add(bitmap3);
File file = new File(ScreenDIR, "sketchpad3" + id3 + ".png");
FileOutputStream fOut = null;
try {
fOut = new FileOutputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
bitmap3.compress(Bitmap.CompressFormat.PNG, 85, fOut);
try {
fOut.flush();
} catch (IOException e) {
e.printStackTrace();
}
try {
fOut.close();
id3++;
} catch (IOException e) {
e.printStackTrace();
}
}
}*/
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
pDialog.dismiss();
img.setImageBitmap(retrieveBitmapFromCache(String.valueOf(id2)));
id2 = 50;
img2.setImageBitmap(retrieveBitmapFromCache(String.valueOf(id2)));
id2 = 69;
img3.setImageBitmap(retrieveBitmapFromCache(String.valueOf(id2)));
// img2.setImageBitmap(bitmapArray2.get(0));
// img3.setImageBitmap(bitmapArray3.get(0));
}
}
public void saveBitmapToCahche(Bitmap bb,String ID ){
Cache.getInstance().getLru().put(ID, bb);
}
public Bitmap retrieveBitmapFromCache(String ID) {
Bitmap bitmap = (Bitmap) Cache.getInstance().getLru().get(ID);
return bitmap;
}
public Bitmap getResizedBitmap(Bitmap image, int maxSize) {
int width = image.getWidth();
int height = image.getHeight();
float bitmapRatio = (float)width / (float) height;
if (bitmapRatio > 0) {
width = maxSize;
height = (int) (width / bitmapRatio);
} else {
height = maxSize;
width = (int) (height * bitmapRatio);
}
return Bitmap.createScaledBitmap(image, width, height, true);
}
}`
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How to make ffmpeg fail when any of multiple circular input buffers overruns
31 mars 2021, par Anonymous CowardI remultiplex two multicasts into one using something like the following :


ffmpeg -i udp://239.1.1.1:5000 -i udp://239.1.1.2:5000 -map 0:v -map 0:a -map 1:a -codec copy -f mpegts udp://239.1.1.3:5000


If one of the multicasts disappears, the other quite quickly overruns its circular buffer, causing that input thread to quit as expected.


Unfortunately, the other circular buffer does not overrun since there is no input, and so ffmpeg hangs doing nothing.


Is it possible to configure ffmpeg in such a way that if any of the input threads exits, ffmpeg will stop ?


Thanks in advance !


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Sample rate not set. Could not write header for output file #0 (incorrect codec parameters ?) : Invalid argument
12 février 2021, par Pasindu DilshanI am using this command to transmit RTP with FEC


ffmpeg -re -i -c copy -map 0 -f rtp_mpegts -fec prompeg=l=5:d=20 rtp ://ip:5000


The following error occurred.


[rtp_mpegts @ 0x7757980] sample rate not set
Could not write header for output file #0 (incorrect codec parameters ?) : Invalid argument


what is the reason for that ? please help me.


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