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Médias (1)
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The Slip - Artworks
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (12)
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Emballe médias : à quoi cela sert ?
4 février 2011, parCe plugin vise à gérer des sites de mise en ligne de documents de tous types.
Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ; -
Déploiements possibles
31 janvier 2010, parDeux types de déploiements sont envisageable dépendant de deux aspects : La méthode d’installation envisagée (en standalone ou en ferme) ; Le nombre d’encodages journaliers et la fréquentation envisagés ;
L’encodage de vidéos est un processus lourd consommant énormément de ressources système (CPU et RAM), il est nécessaire de prendre tout cela en considération. Ce système n’est donc possible que sur un ou plusieurs serveurs dédiés.
Version mono serveur
La version mono serveur consiste à n’utiliser qu’une (...) -
Gestion des droits de création et d’édition des objets
8 février 2011, parPar défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
Sur d’autres sites (3546)
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AForge.Video.FFMPEG used in C#
17 janvier 2017, par cuong nguyenI use Visual C# 2008 and want to write AVI file from bmp sequences.
I found AForge.Video.VWF but it’s just for "vmw3" or "DIB " codecs and I want to use AForge.Video.FFMPEG but it got error.
For example I just code :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AForge.Video.FFMPEG;
namespace ConsoleApplication4
{
class Program
{
static void Main(string[] args)
{
VideoFileWriter vfw = new VideoFileWriter();
}
}
}But I got this
filenotfoundexception{"The specified module could not be found. (Exception from HRESULT: 0x8007007E)":null} -
Can MKV hold VP8 Opus combination, and how [closed]
4 février 2013, par BMCI want to create a MKV file with video codec
VP8and audio codecopusI tried the following command in ffmpeg
ffmpeg -y -i ./INPUT.flv -threads 8 -aspect 16:9 -vcodec libvpx -vb 2M -acodec libopus -ac 2 OUTPUT.mkvI have install
libopus0in my ubuntu.
But i am getting the errorDuration: 00:07:53.30, start: 0.000000, bitrate: 541 kb/s
Stream #0.0: Video: h264 (Main), yuv420p, 640x360, 410 kb/s, 29.97 tbr, 1k tbn, 59.94 tbc
Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 131 kb/s
Unknown encoder 'libopus0'What is the problem and how can I correct this issue.
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java.lang.ExceptionInInitializerError in FFmpeg Test Demo
16 mars 2016, par Mehul RanparaI have a demo called FFMpegTest of Android which i downloaded from here..https://github.com/appunite/AndroidFFmpeg..and i also have Library file of FFMpeg which is in this demo and i am using this Library in FFmpegTest..Now when i running..it gives java.lang.ExceptionInInitializerError.. Anyone have an idea about this..please share with me..Thanx in Advance..
which is in...VideoActivity.java
public class VideoActivity extends Activity implements OnClickListener,FFmpegListener, OnSeekBarChangeListener, OnItemSelectedListener
{
private FFmpegPlayer mpegPlayer;
private static boolean isSurfaceView = true;
protected boolean mPlay = false;
private View controlsView;
private View loadingView;
private SeekBar seekBar;
public View videoView;
private Button playPauseButton;
private boolean mTracking = false;
private View streamsView;
private Spinner languageSpinner;
private int languageSpinnerSelectedPosition = 0;
private Spinner subtitleSpinner;
private int subtitleSpinnerSelectedPosition = 0;
private StreamAdapter languageAdapter;
private StreamAdapter subtitleAdapter;
private FFmpegStreamInfo audioStream = null;
private FFmpegStreamInfo subtitleStream = null;
@Override
public void onCreate(Bundle savedInstanceState)
{
this.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
getWindow().setFormat(PixelFormat.RGB_565);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DITHER);
super.onCreate(savedInstanceState);
this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
this.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
this.getWindow().setBackgroundDrawable(null);
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
if (isSurfaceView)
VideoActivity.this.setContentView(R.layout.video_surfaceview);
else
VideoActivity.this.setContentView(R.layout.video_view);
seekBar = (SeekBar) this.findViewById(R.id.seek_bar);
seekBar.setOnSeekBarChangeListener(this);
playPauseButton = (Button) this.findViewById(R.id.play_pause);
playPauseButton.setOnClickListener(this);
controlsView = this.findViewById(R.id.controls);
streamsView = this.findViewById(R.id.streams);
loadingView = this.findViewById(R.id.loading_view);
languageSpinner = (Spinner) this.findViewById(R.id.language_spinner);
subtitleSpinner = (Spinner) this.findViewById(R.id.subtitle_spinner);
languageAdapter = new StreamAdapter(this,android.R.layout.simple_spinner_item,new ArrayList<ffmpegstreaminfo>(), StreamAdapterType.AUDIO);
languageAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
languageSpinner.setAdapter(languageAdapter);
languageSpinner.setOnItemSelectedListener(this);
subtitleAdapter = new StreamAdapter(this,android.R.layout.simple_spinner_item,new ArrayList<ffmpegstreaminfo>(), StreamAdapterType.SUBTITLE);
subtitleAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
subtitleSpinner.setAdapter(subtitleAdapter);
subtitleSpinner.setOnItemSelectedListener(this);
try
{
videoView = this.findViewById(R.id.video_view);
//VideoActivity.this.mpegPlayer = new FFmpegPlayer((FFmpegDisplay)videoView, VideoActivity.this);
this.mpegPlayer = new FFmpegPlayer((FFmpegDisplay)videoView, this);
this.mpegPlayer.setMpegListener(this);
setDataSource();
//Too
}
catch (Exception e)
{
e.printStackTrace();
}
}
private static enum StreamAdapterType
{
AUDIO, SUBTITLE
};
private static class StreamAdapter extends ArrayAdapter<ffmpegstreaminfo>
{
private final StreamAdapterType adapterType;
public StreamAdapter(Context context, int textViewResourceId,List<ffmpegstreaminfo> objects, StreamAdapterType adapterType)
{
super(context, textViewResourceId, objects);
this.adapterType = adapterType;
}
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
TextView view = (TextView) super.getView(position, convertView, parent);
FFmpegStreamInfo item = getItem(position);
Locale locale = item.getLanguage();
String formatter;
if (StreamAdapterType.AUDIO.equals(adapterType))
{
formatter = getContext().getString(R.string.language_spinner_drop_down);
}
else
{
formatter = getContext().getString(R.string.subtitle_spinner_drop_down);
}
String languageName = locale == null ? getContext().getString(R.string.unknown) : locale.getDisplayLanguage();
String text = String.format(formatter, languageName);
view.setText(text);
return view;
}
@Override
public View getDropDownView(int position, View convertView, ViewGroup parent)
{
CheckedTextView view = (CheckedTextView) super.getDropDownView(position, convertView, parent);
FFmpegStreamInfo item = getItem(position);
Locale locale = item.getLanguage();
String languageName = locale == null ? getContext().getString(R.string.unknown) : locale.getDisplayLanguage();
view.setText(languageName);
return view;
}
}
@Override
protected void onPause() {
super.onPause();
};
@Override
protected void onResume() {
super.onResume();
}
@Override
protected void onDestroy()
{
super.onDestroy();
this.mpegPlayer.setMpegListener(null);
this.mpegPlayer.stop();
stop();
}
private void setDataSource()
{
Log.d("url", "checin");
HashMap params = new HashMap();
// set font for ass
File assFont = new File(Environment.getExternalStorageDirectory(),"Roboto.ttf");
params.put("ass_default_font_path", assFont.getAbsolutePath());
Intent intent = getIntent();
String url = intent.getStringExtra(AppConstants.VIDEO_PLAY_ACTION_EXTRA_URL);
Log.d("url", url);
if (url == null)
{
throw new IllegalArgumentException(String.format("\"%s\" did not provided", AppConstants.VIDEO_PLAY_ACTION_EXTRA_URL));
}
if (intent.hasExtra(AppConstants.VIDEO_PLAY_ACTION_EXTRA_ENCRYPTION_KEY))
{
params.put("aeskey", intent.getStringExtra(AppConstants.VIDEO_PLAY_ACTION_EXTRA_ENCRYPTION_KEY));
}
this.playPauseButton.setBackgroundResource(android.R.drawable.ic_media_play);
this.playPauseButton.setEnabled(true);
mPlay = false;
mpegPlayer.setDataSource(url, params, null, audioStream,subtitleStream);
}
@Override
public void onClick(View v)
{
int viewId = v.getId();
switch (viewId)
{
case R.id.play_pause:
resumePause();
return;
default:
throw new RuntimeException();
}
}
@Override
public void onFFUpdateTime(int currentTimeS, int videoDurationS, boolean isFinished)
{
if (!mTracking)
{
seekBar.setMax(videoDurationS);
seekBar.setProgress(currentTimeS);
}
if (isFinished)
{
new AlertDialog.Builder(this)
.setTitle(R.string.dialog_end_of_video_title)
.setMessage(R.string.dialog_end_of_video_message)
.setCancelable(true).show();
}
}
@Override
public void onFFDataSourceLoaded(FFmpegError err, FFmpegStreamInfo[] streams)
{
if (err != null) {
String format = getResources().getString(
R.string.main_could_not_open_stream);
String message = String.format(format, err.getMessage());
Builder builder = new AlertDialog.Builder(VideoActivity.this);
builder.setTitle(R.string.app_name)
.setMessage(message)
.setOnCancelListener(
new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
VideoActivity.this.finish();
}
}).show();
return;
}
playPauseButton.setBackgroundResource(android.R.drawable.ic_media_play);
playPauseButton.setEnabled(true);
this.controlsView.setVisibility(View.VISIBLE);
this.streamsView.setVisibility(View.VISIBLE);
this.loadingView.setVisibility(View.GONE);
this.videoView.setVisibility(View.VISIBLE);
languageAdapter.clear();
subtitleAdapter.clear();
for (FFmpegStreamInfo streamInfo : streams) {
CodecType mediaType = streamInfo.getMediaType();
if (FFmpegStreamInfo.CodecType.AUDIO.equals(mediaType)) {
languageAdapter.add(streamInfo);
} else if (FFmpegStreamInfo.CodecType.SUBTITLE.equals(mediaType)) {
subtitleAdapter.add(streamInfo);
}
}
}
private void displaySystemMenu(boolean visible) {
if (Build.VERSION.SDK_INT >= 14) {
displaySystemMenu14(visible);
} else if (Build.VERSION.SDK_INT >= 11) {
displaySystemMenu11(visible);
}
}
@SuppressWarnings("deprecation")
@TargetApi(11)
private void displaySystemMenu11(boolean visible) {
if (visible) {
this.videoView.setSystemUiVisibility(View.STATUS_BAR_VISIBLE);
} else {
this.videoView.setSystemUiVisibility(View.STATUS_BAR_HIDDEN);
}
}
@TargetApi(14)
private void displaySystemMenu14(boolean visible) {
if (visible) {
this.videoView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
} else {
this.videoView
.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
}
}
public void resumePause() {
this.playPauseButton.setEnabled(false);
if (mPlay) {
mpegPlayer.pause();
} else {
mpegPlayer.resume();
displaySystemMenu(true);
}
mPlay = !mPlay;
}
@Override
public void onFFResume(NotPlayingException result) {
this.playPauseButton
.setBackgroundResource(android.R.drawable.ic_media_pause);
this.playPauseButton.setEnabled(true);
displaySystemMenu(false);
mPlay = true;
}
@Override
public void onFFPause(NotPlayingException err) {
this.playPauseButton
.setBackgroundResource(android.R.drawable.ic_media_play);
this.playPauseButton.setEnabled(true);
mPlay = false;
}
private void stop() {
this.controlsView.setVisibility(View.GONE);
this.streamsView.setVisibility(View.GONE);
this.loadingView.setVisibility(View.VISIBLE);
this.videoView.setVisibility(View.INVISIBLE);
}
@Override
public void onFFStop() {
}
@Override
public void onFFSeeked(NotPlayingException result)
{
// if (result != null)
// throw new RuntimeException(result);
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser)
{
if (fromUser)
{
mpegPlayer.seek(progress);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
mTracking = true;
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
mTracking = false;
}
private void setDataSourceAndResumeState() {
int progress = seekBar.getProgress();
setDataSource();
mpegPlayer.seek(progress);
mpegPlayer.resume();
}
@Override
public void onItemSelected(AdapterView<?> parentView,
View selectedItemView, int position, long id) {
FFmpegStreamInfo streamInfo = (FFmpegStreamInfo) parentView
.getItemAtPosition(position);
if (parentView == languageSpinner) {
if (languageSpinnerSelectedPosition != position) {
languageSpinnerSelectedPosition = position;
audioStream = streamInfo;
setDataSourceAndResumeState();
}
} else if (parentView == subtitleSpinner) {
if (subtitleSpinnerSelectedPosition != position) {
subtitleSpinnerSelectedPosition = position;
subtitleStream = streamInfo;
setDataSourceAndResumeState();
}
} else {
throw new RuntimeException();
}
}
@Override
public void onNothingSelected(AdapterView<?> parentView) {
// if (parentView == languageSpinner) {
// audioStream = null;
// } else if (parentView == subtitleSpinner) {
// subtitleStream = null;
// } else {
// throw new RuntimeException();
// }
// play();
}
}
</ffmpegstreaminfo></ffmpegstreaminfo></ffmpegstreaminfo></ffmpegstreaminfo>and this is my logcat :
01-22 15:29:15.302: E/AndroidRuntime(1560): FATAL EXCEPTION: main
01-22 15:29:15.302: E/AndroidRuntime(1560): java.lang.ExceptionInInitializerError
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.Class.newInstanceImpl(Native Method)
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.Class.newInstance(Class.java:1319)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.ActivityThread.access$600(ActivityThread.java:123)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.os.Handler.dispatchMessage(Handler.java:99)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.os.Looper.loop(Looper.java:137)
01-22 15:29:15.302: E/AndroidRuntime(1560): at android.app.ActivityThread.main(ActivityThread.java:4424)
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.reflect.Method.invokeNative(Native Method)
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.reflect.Method.invoke(Method.java:511)
01-22 15:29:15.302: E/AndroidRuntime(1560): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-22 15:29:15.302: E/AndroidRuntime(1560): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-22 15:29:15.302: E/AndroidRuntime(1560): at dalvik.system.NativeStart.main(Native Method)
01-22 15:29:15.302: E/AndroidRuntime(1560): Caused by: java.lang.UnsatisfiedLinkError: Couldn't load ffmpeg: findLibrary returned null
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.Runtime.loadLibrary(Runtime.java:365)
01-22 15:29:15.302: E/AndroidRuntime(1560): at java.lang.System.loadLibrary(System.java:535)
01-22 15:29:15.302: E/AndroidRuntime(1560): at roman10.ffmpegTest.VideoBrowser.<clinit>(VideoBrowser.java:37)
01-22 15:29:15.302: E/AndroidRuntime(1560): ... 15 more
</clinit>
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