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Autres articles (53)
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Modifier la date de publication
21 juin 2013, parComment changer la date de publication d’un média ?
Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
Dans la rubrique "Champs à ajouter, cocher "Date de publication "
Cliquer en bas de la page sur Enregistrer -
Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...)
Sur d’autres sites (5699)
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Revision 14301116e2 : Merge "WIP : Multiple decoder instances support"
31 janvier 2013, par Jim BankoskiMerge "WIP : Multiple decoder instances support"
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I wonder why logcat says "NO SUCH A FILE OR DIRECTORY(2)"
22 septembre 2013, par autoexebatI wanna play audio on Android with ffmpeg.
But when I run this project, error has occurredwhat should I do ?
java SIDE
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Activity;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioTrack;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.SystemClock;
public class FFmpegBasic extends Activity
{
private AudioTrack track;
private FileOutputStream os;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
createEngine();
int bufSize = AudioTrack.getMinBufferSize(44100,
AudioFormat.CHANNEL_CONFIGURATION_STEREO,
AudioFormat.ENCODING_PCM_16BIT);
track = new AudioTrack(AudioManager.STREAM_MUSIC,
44100,
AudioFormat.CHANNEL_CONFIGURATION_STEREO,
AudioFormat.ENCODING_PCM_16BIT,
bufSize,
AudioTrack.MODE_STREAM);
byte[] bytes = new byte[bufSize];
try {
os = new FileOutputStream("/sdcard/a.out",false);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String result = "/mnt/sdcard/Wildlife.mp3";
loadFile(result,bytes);
try {
os.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
void playSound(byte[] buf, int size) {
if(track.getPlayState()!=AudioTrack.PLAYSTATE_PLAYING)
track.play();
track.write(buf, 0, size);
try {
os.write(buf,0,size);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private native void createEngine();
private native void loadFile(String file, byte[] array);
/** Load jni .so on initialization*/
static {
System.loadLibrary("avutil");
System.loadLibrary("avcore");
System.loadLibrary("avcodec");
System.loadLibrary("avformat");
System.loadLibrary("avdevice");
System.loadLibrary("swscale");
System.loadLibrary("avfilter");
System.loadLibrary("ffmpeg");
System.loadLibrary("basicplayer");
}
}
c SIDE
#include
#include
#include
#include <android></android>log.h>
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "avcodec.h"
#include "avformat.h"
void Java_net_jbong_FFmpegBasic_FFmpegBasic_createEngine(JNIEnv* env, jclass clazz)
{
//avcodec_init();
av_register_all();
}
void Java_net_jbong_FFmpegBasic_FFmpegBasic_loadFile(JNIEnv* env, jobject obj, jstring file, jbyteArray array)
{
AVFormatContext *gFormatCtx = NULL;
AVCodecContext *gAudioCodecCtx = NULL;
AVCodec *gAudioCodec = NULL;
int gAudioStreamIdx = -1;
char *gAudioBuffer = NULL;
int i, outsize = 0;
AVPacket packet;
const char *str;
str = (*env)->GetStringUTFChars(env, file, NULL);
jclass cls = (*env)->GetObjectClass(env, obj);
jmethodID play = (*env)->GetMethodID(env, cls, "playSound", "([BI)V");
if (gFormatCtx != NULL)
return -1;
if (av_open_input_file(&gFormatCtx,str,NULL,0,NULL)!=0)
return -2;
if (av_find_stream_info(gFormatCtx) < 0)
return -3;
for(i=0; inb_streams; i++)
{
if(gFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
{
gAudioStreamIdx = i;
break;
}
}
if (gAudioStreamIdx == -1)
return -4;
gAudioCodecCtx = gFormatCtx->streams[gAudioStreamIdx]->codec;
gAudioCodec = avcodec_find_decoder(gAudioCodecCtx->codec_id);
if (gAudioCodec == NULL)
return -5;
if (avcodec_open(gAudioCodecCtx, gAudioCodec)<0)
return -6;
gAudioBuffer = (char *)av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE *2);
int decode = 0;
while (av_read_frame(gFormatCtx, &packet) >= 0)
{
if (gFormatCtx-> streams[packet.stream_index]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
{
int data_size = AVCODEC_MAX_AUDIO_FRAME_SIZE * 8;
gAudioBuffer = (char *)av_malloc(data_size);
int size=packet.size;
while(size > 0)
{
int len = avcodec_decode_audio3(gAudioCodecCtx,
(short *) gAudioBuffer, &data_size, &packet);
if (data_size > 0)
{
jbyte *bytes = (*env)->GetByteArrayElements(env, array, NULL);
memcpy(bytes + decode, (int16_t *)gAudioBuffer, size);
(*env)->ReleaseByteArrayElements(env, array, bytes, 0);
(*env)->CallVoidMethod(env, obj, play, array, data_size);
decode += size;
size -= len;
}
}
}
av_free_packet(&packet);
}
av_close_input_file(gFormatCtx);
return 0;
}Why my android logcat show me this message ?
"error opening trace file : No such file or directory (2)" -
Added "previewdone" callback. Closes #2011.
16 janvier 2013m js/jquery.fileupload-ui.js Added "previewdone" callback. Closes #2011. The rendered preview element can be accessed the following way : $('#fileupload').on('fileuploadpreviewdone', function (e, data) console.log($(e.originalEvent.target).children()) ; (...)