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Organiser par catégorie
17 mai 2013, parDans MédiaSPIP, une rubrique a 2 noms : catégorie et rubrique.
Les différents documents stockés dans MédiaSPIP peuvent être rangés dans différentes catégories. On peut créer une catégorie en cliquant sur "publier une catégorie" dans le menu publier en haut à droite ( après authentification ). Une catégorie peut être rangée dans une autre catégorie aussi ce qui fait qu’on peut construire une arborescence de catégories.
Lors de la publication prochaine d’un document, la nouvelle catégorie créée sera proposée (...) -
Récupération d’informations sur le site maître à l’installation d’une instance
26 novembre 2010, parUtilité
Sur le site principal, une instance de mutualisation est définie par plusieurs choses : Les données dans la table spip_mutus ; Son logo ; Son auteur principal (id_admin dans la table spip_mutus correspondant à un id_auteur de la table spip_auteurs)qui sera le seul à pouvoir créer définitivement l’instance de mutualisation ;
Il peut donc être tout à fait judicieux de vouloir récupérer certaines de ces informations afin de compléter l’installation d’une instance pour, par exemple : récupérer le (...) -
Demande de création d’un canal
12 mars 2010, parEn fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...)
Sur d’autres sites (4306)
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FFmpegAndroid CANNOT LINK EXECUTABLE
3 mars 2020, par israfilllI used this library implementation ’com.writingminds:FFmpegAndroid:0.3.2’.
But i get an error.CANNOT LINK EXECUTABLE "/data/user/0/com.example.newapplication/files/ffmpeg" : "/data/data/com.example.newapplication/files/ffmpeg" has text relocations (https://android.googlesource.com/platform/bionic/+/master/androg-’changes-for-ndk-developers.md#Text-Relocations-Enforced-for-API-level-23)
is there anyone who know reason ?this is code and i just want to trim(cut) video in time range i want. others is not necessary
public class MainActivity extends AppCompatActivity {
String outPutFile;
Uri filePath, filePathSecond, photoUri, AudioUri;
ProgressDialog progressDialog;
private int REQUEST_TAKE_GALLERY_VIDEO = 110;
private int REQUEST_TAKE_GALLERY_VIDEO_2 = 115;
private int REQUEST_TAKE_GALLERY_PHOTO = 120;
private int REQUEST_TAKE_GALLERY_AUDIO = 130;
private FFmpeg ffmpeg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED){
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},1);
}
progressDialog = new ProgressDialog(this);
findViewById(R.id.selectVideo).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setType("video/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Video"), REQUEST_TAKE_GALLERY_VIDEO);
}
});
findViewById(R.id.start).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null) {
executeCutVideoCommand(1000, 4 * 1000, filePath);
}
}
});
findViewById(R.id.background).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null && photoUri != null) {
executeBackgroundCommand(filePath, photoUri);
}
}
});
findViewById(R.id.selectPhoto).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Video"), REQUEST_TAKE_GALLERY_PHOTO);
}
});
findViewById(R.id.speed).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null) {
executeSpeedCommand(.9f, filePath);
}
}
});
findViewById(R.id.rotate).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null) {
executeRotateCommand(3, filePath);
}
}
});
findViewById(R.id.selectAudio).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setType("audio/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Video"), REQUEST_TAKE_GALLERY_AUDIO);
}
});
findViewById(R.id.setAudio).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null && AudioUri != null) {
executeChangeMusicCommand(filePath, AudioUri);
}
}
});
findViewById(R.id.mute).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null) {
executeMuteCommand(filePath);
}
}
});
findViewById(R.id.volume).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null) {
executeVolumeCommand(filePath, .5f);
}
}
});
findViewById(R.id.audio_trim).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (AudioUri != null) {
executeCutAudioCommand(1 * 1000, 10 * 1000, AudioUri);
}
}
});
findViewById(R.id.marge_video).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null && filePathSecond != null)
executeMargeVideoCommand(filePath, filePathSecond);
}
});
findViewById(R.id.selectVideo_2).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setType("video/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Video"), REQUEST_TAKE_GALLERY_VIDEO_2);
}
});
findViewById(R.id.ratio_video).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (filePath != null)
executeRatioCommand(filePath, 2, 5);
}
});
findViewById(R.id.filter_video).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(filePath!=null){
executeFilterCommand(filePath);
}
}
});
loadFFMpegBinary();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_TAKE_GALLERY_VIDEO) {
Uri uri = data.getData();
if (uri != null) {
filePath = uri;
}
}
if (requestCode == REQUEST_TAKE_GALLERY_VIDEO_2) {
Uri uri = data.getData();
if (uri != null) {
filePathSecond = uri;
}
}
if (requestCode == REQUEST_TAKE_GALLERY_PHOTO) {
Uri uri = data.getData();
if (uri != null) {
photoUri = uri;
}
}
if (requestCode == REQUEST_TAKE_GALLERY_AUDIO) {
Uri uri = data.getData();
if (uri != null) {
AudioUri = uri;
}
}
}
private void executeBackgroundCommand(Uri filePath, Uri photoUri) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "set_background_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
String yourRealPathImage = getPath(MainActivity.this, photoUri);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
/* Log.d(TAG, "startTrim: src: " + yourRealPath);
Log.d(TAG, "startTrim: dest: " + dest.getAbsolutePath());
Log.d(TAG, "startTrim: startMs: " + startMs);
Log.d(TAG, "startTrim: endMs: " + endMs);*/
outPutFile = dest.getAbsolutePath();
//String[] complexCommand = {"-i", yourRealPath, "-ss", "" + startMs / 1000, "-t", "" + endMs / 1000, dest.getAbsolutePath()};
String[] complexCommand = {"-i", yourRealPathImage, "-i", yourRealPath
, "-filter_complex", "overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2", outPutFile};
// String[] complexCommand = {"-i", "" + yourRealPath, "-i", "" +yourRealPathImage, "-filter_complex", "overlay=10:main_h-overlay_h-10",outPutFile};
execFFmpegBinary(complexCommand);
}
// video trim
private void executeCutVideoCommand(int startMs, int endMs, Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "cut_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
/* Log.d(TAG, "startTrim: src: " + yourRealPath);
Log.d(TAG, "startTrim: dest: " + dest.getAbsolutePath());
Log.d(TAG, "startTrim: startMs: " + startMs);
Log.d(TAG, "startTrim: endMs: " + endMs);*/
outPutFile = dest.getAbsolutePath();
//String[] complexCommand = {"-i", yourRealPath, "-ss", "" + startMs / 1000, "-t", "" + endMs / 1000, dest.getAbsolutePath()};
String[] complexCommand = {"-ss",
"" + (startMs / 1000),
"-y",
"-i",
yourRealPath,
"-t",
"" + ((endMs - startMs) / 1000),
"-vcodec",
"mpeg4",
"-b:v",
"2097152",
"-b:a",
"48000",
"-ac",
"2",
"-ar",
"22050",
outPutFile};
execFFmpegBinary(complexCommand);
}
private String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
// DocumentProvider
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
if (isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
// TODO handle non-primary volumes
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = "_id=?";
final String[] selectionArgs = new String[]{
split[1]
};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {
return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
}
return null;
}
private boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
*/
private boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is MediaProvider.
*/
private boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
private String getDataColumn(Context context, Uri uri, String selection,
String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = {
column
};
try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
null);
if (cursor != null && cursor.moveToFirst()) {
final int column_index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(column_index);
}
} finally {
if (cursor != null)
cursor.close();
}
return null;
}
private void loadFFMpegBinary() {
try {
if (ffmpeg == null) {
ffmpeg = FFmpeg.getInstance(this);
}
ffmpeg.loadBinary(new LoadBinaryResponseHandler() {
@Override
public void onFailure() {
}
@Override
public void onSuccess() {
}
});
} catch (FFmpegNotSupportedException e) {
} catch (Exception e) {
}
}
private void execFFmpegBinary(final String[] command) {
progressDialog.show();
try {
ffmpeg.execute(command, new ExecuteBinaryResponseHandler() {
@Override
public void onFailure(String s) {
System.out.println("ssss"+s);
}
@Override
public void onSuccess(String s) {
// Log.d(TAG, "SUCCESS with output : " + s);
Toast.makeText(MainActivity.this, "SUCCESS" + outPutFile, Toast.LENGTH_LONG).show();
}
@Override
public void onProgress(String s) {
}
@Override
public void onStart() {
progressDialog.setMessage("Processing...");
progressDialog.show();
}
@Override
public void onFinish() {
progressDialog.dismiss();
}
});
} catch (Exception e ) {
Toast.makeText(MainActivity.this, "EXCEPTION", Toast.LENGTH_LONG).show();
// do nothing for now
}
}
private void executeSpeedCommand(float speed, Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "speed_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String[] complexCommand = {"-y", "-i", yourRealPath, "-filter_complex",
"[0:v]setpts=" + (2.5 - speed) + "*PTS[v];[0:a]atempo=" + speed + "[a]", "-map", "[v]", "-map", "[a]", "-b:v", "2097k", "-r", "60", "-vcodec", "mpeg4", outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeRotateCommand(int rotate, Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "speed_rotation_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String[] complexCommand = null;
if (rotate == 3) {
complexCommand = new String[]{"-i", yourRealPath, "-filter:v", "transpose=2,transpose=2", outPutFile};
} else {
complexCommand = new String[]{"-i", yourRealPath, "-filter:v", "transpose=" + rotate, outPutFile};
}
execFFmpegBinary(complexCommand);
}
private void executeChangeMusicCommand(Uri filePath, Uri audioUri) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "audio_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
String yourRealPathAudio = getPath(MainActivity.this, audioUri);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String[] complexCommand = {"-i", yourRealPath, "-i", yourRealPathAudio, "-c:v", "copy", "-c:a", "aac", "-map", "0:v:0", "-map", "1:a:0", "-shortest", outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeMuteCommand(Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "mute_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String[] complexCommand = {"-i", yourRealPath, "-vcodec", "copy", "-an", outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeVolumeCommand(Uri filePath, float volume) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "volume_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String[] complexCommand = {"-i", yourRealPath, "-filter:a", "volume=" + volume, outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeCutAudioCommand(int startMs, int endMs, Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "cut_video";
String fileExtn = ".mp3";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
/* Log.d(TAG, "startTrim: src: " + yourRealPath);
Log.d(TAG, "startTrim: dest: " + dest.getAbsolutePath());
Log.d(TAG, "startTrim: startMs: " + startMs);
Log.d(TAG, "startTrim: endMs: " + endMs);*/
outPutFile = dest.getAbsolutePath();
//String[] complexCommand = {"-i", yourRealPath, "-ss", "" + startMs / 1000, "-t", "" + endMs / 1000, dest.getAbsolutePath()};
String[] complexCommand = {"-ss",
"" + (startMs / 1000),
"-y",
"-i",
yourRealPath,
"-t",
"" + ((endMs - startMs) / 1000),
"-vcodec",
"mpeg4",
"-b:v",
"2097152",
"-b:a",
"48000",
"-ac",
"2",
"-ar",
"22050",
outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeMargeVideoCommand(Uri filePath, Uri filePathSecond) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "marge_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
String yourRealPath2 = getPath(MainActivity.this, filePathSecond);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
String complexCommand[] = {"-y", "-i", yourRealPath, "-i", yourRealPath2, "-strict", "experimental", "-filter_complex",
"[0:v]scale=iw*min(1920/iw\\,1080/ih):ih*min(1920/iw\\,1080/ih), pad=1920:1080:(1920-iw*min(1920/iw\\,1080/ih))/2:(1080-ih*min(1920/iw\\,1080/ih))/2,setsar=1:1[v0];[1:v] scale=iw*min(1920/iw\\,1080/ih):ih*min(1920/iw\\,1080/ih), pad=1920:1080:(1920-iw*min(1920/iw\\,1080/ih))/2:(1080-ih*min(1920/iw\\,1080/ih))/2,setsar=1:1[v1];[v0][0:a][v1][1:a] concat=n=2:v=1:a=1",
"-ab", "48000", "-ac", "2", "-ar", "22050", "-s", "1920x1080", "-vcodec", "libx264", "-crf", "27",
"-q", "4", "-preset", "ultrafast", outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeRatioCommand(Uri filePath, int w, int h) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "ratio_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
// String complexCommand[] = {"-i", yourRealPath,"-r", "15", "-aspect" ,""+w+":"+""+h ,"-strict" ,"-2",outPutFile};
String complexCommand[] = new String[]{"-i", yourRealPath, "-lavf", "[0:v]scale=1920*2:1080*2,boxblur=luma_radius=min(h,w)/20:luma_power=1:chroma_radius=min(cw,ch)/20:chroma_power=1[bg];[0:v]scale=-1:1080[ov];[bg][ov]overlay=(W-w)/2:(H-h)/2,crop=w=1920:h=1080", outPutFile};
execFFmpegBinary(complexCommand);
}
private void executeFilterCommand(Uri filePath) {
File moviesDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MOVIES
);
String filePrefix = "filter_change_video";
String fileExtn = ".mp4";
String yourRealPath = getPath(MainActivity.this, filePath);
File dest = new File(moviesDir, filePrefix + fileExtn);
int fileNo = 0;
while (dest.exists()) {
fileNo++;
dest = new File(moviesDir, filePrefix + fileNo + fileExtn);
}
outPutFile = dest.getAbsolutePath();
// String complexCommand[] = {"-i", yourRealPath,"-r", "15", "-aspect" ,""+w+":"+""+h ,"-strict" ,"-2",outPutFile};
String complexCommand[] = { "-i",yourRealPath,"-vf", "split [main][tmp]; [tmp] lutyuv=","y=val*5"," [tmp2]; [main][tmp2] overlay", outPutFile};
execFFmpegBinary(complexCommand);
}
} -
Android camera stream with rtmp has stable 5 second latency
8 avril 2014, par native1989I use ffmpeg with h264 build and javacv on android to stream video from camera to rtmp server.
I was trying to set all possible video framerates and bitrates, set preset ultrafast, but I still have stable 5 seconds delay.
If i use android mediarecorder sending mpegts stream with rtmp to server,i have only 2 seconds delay, and if I use -fflags nobuffer options on the client(ffmpeg), the video is appearing immediately.I don`t know how in android ffmpeg reduces this latency.
Here the code :recorder = new FFmpegFrameRecorder(ffmpeg_link, imageWidth, imageHeight, 1);
recorder.setFormat("flv");
recorder.setFrameRate(frameRate);
recorder.setVideoBitrate(900*1000);
recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
recorder.setVideoOption("preset", "ultrafast");
recorder.setVideoOption("tune", "zerolatency");
recorder.setVideoOption("fflags", "nobuffer");
recorder.setVideoOption("analyzeduration", "0"); -
FFMPEG and Mencoder building screenshot returns 0 size images
12 avril 2014, par GenusI have a script and it used to work fine but suddenly it stopped working and giving me zero size images as screenshot after video convert.
here is the command for video screenshot.
$cmd = $GLOBALS["paths"]["ffmpeg"]." -y -i ".$file." -f mjpeg -r 1 -ss ".$time." -vframes 1 -an ".$tmpdir."/00000001.jpg 2>&1";
exec($cmd,$results);Debug :
-----------------------------------------------------
------------mencoder_and_fmpeg.php SCREENSHOT -------
-----------------------------------------------------
COMMAND: ffmpeg -y -i /home/TESTING/public_html/vid/6d/ad/29/6dad2946a2ba102.flv -f mjpeg -r 1 -ss 14.48 -vframes 1 -an /home/TESTING/public_html/scr/42/3a/92/00000001.jpg 2>&1
FFmpeg version SVN-r16244, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration: --disable-mmx --enable-shared --enable-libvorbis --enable-gpl --enable-swscale --enable-pthreads --disable-static --disable-demuxer=v4l --disable-demuxer=v4l2 --enable-libtheora --enable-gpl --enable-libspeex --enable-libmp3lame --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libamr-nb --enable-libamr-wb --enable-nonfree --enable-libxvid
libavutil 49.12. 0 / 49.12. 0
libavcodec 52. 7. 0 / 52.108. 0
libavformat 52.23. 1 / 52.92. 0
libavdevice 52. 1. 0 / 52. 2. 3
libswscale 0. 6. 1 / 0.12. 0
built on Apr 9 2011 22:48:41, gcc: 4.1.2 20080704 (Red Hat 4.1.2-50)
built by Admin-Ahead Server Technologies FFmpeg installer v5.0.6b
Seems stream 0 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 10.92 (131/12)
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
ffmpeg: symbol lookup error: ffmpeg: undefined symbol: frame_hook_process
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