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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
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Sur d’autres sites (10116)
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converting a UYVY FFmpeg
19 février 2013, par EngineI want to read and show a video using opencv. I've recorded with Direct-show, the Video has UYVY (4:2:2) codec, since opencv can't read that format, I want to convert the codec to an RGB color model, I readed about ffmpeg and I want to know if it's possible to get this done with it ? if not if you a suggestion I'll be thankful.
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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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