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Autres articles (67)
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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 (...) -
Le plugin : Podcasts.
14 juillet 2010, parLe problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
Types de fichiers supportés dans les flux
Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)
Sur d’autres sites (3527)
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Tagline challenge : what’s in a tagline ?
23 octobre 2018, par Joselyn Khor — Marketing
Our new website needs a new tagline !
We’ve been going with the words “liberating analytics” for a few years and believe it’s time for a refresh.
Coming up with a new tagline is leading to a few sleepless nights so we’ve decided to reach out to you guys to see if you’re up for a challenge.
We’ve tried a few options but they don’t seem quite right, just yet :
“Complete analytics”
“All-in-one analytics”
“Your analytics”
“Beyond analytics”
“Analytics for humans”We’ve gone through about 46 so far and none have stuck so we want your ideas. Are you feeling the options above, or can you (surely) come up with one even better ?
Leave it in the comments section of our Mastodon, Facebook, Twitter pages, DM or post about it. You can also get in touch through the site ! Do whatever is necessary to let us know. Have what it takes to think of a tagline for a global analytics company ?
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FFMPEG output duration using "-t" is too long by 10 ms
9 octobre 2018, par Ze'evI’m using this command to take video from a 35 second QuickTime file and replace audio with a WAV :
ffmpeg -i 'video.mov' -i 'audio.wav' -c:v copy -c:a copy -map 0:v:0 -map 1:a:0 -t 35.0000 'output.mov'But the audio is slightly longer than the video, and I’m trying to make ffmpeg trim the output to exactly 35 seconds with
-t 35but the output is 35.01 seconds.I also tried
-t 35.000and-to 35and several other options, but it’s alway 10ms too long.ffmpegoutput :ffmpeg version N-91789-g11cec34829 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.2)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-appkit --enable-avfoundation --enable-coreimage --enable-audiotoolbox
libavutil 56. 19.100 / 56. 19.100
libavcodec 58. 27.101 / 58. 27.101
libavformat 58. 17.106 / 58. 17.106
libavdevice 58. 4.101 / 58. 4.101
libavfilter 7. 26.100 / 7. 26.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2018-10-09T13:41:49.000000Z
Duration: 00:00:35.00, start: 0.000000, bitrate: 172467 kb/s
Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(tv, bt709, progressive), 1920x1080, 170692 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc (default)
Metadata:
creation_time : 2018-10-09T13:41:49.000000Z
handler_name : Apple Video Media Handler
encoder : Apple ProRes 422 (HQ)
timecode : 00:01:12:22
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
creation_time : 2018-10-09T13:41:49.000000Z
handler_name : Apple Sound Media Handler
timecode : 00:01:12:22
Stream #0:2(eng): Data: none (tmcd / 0x64636D74) (default)
Metadata:
creation_time : 2018-10-09T13:41:49.000000Z
handler_name : Time Code Media Handler
timecode : 00:01:12:22
Guessed Channel Layout for Input Stream #1.0 : stereo
Input #1, wav, from 'audio.wav':
Metadata:
encoded_by : Pro Tools
originator_reference: aaygKpJ1bvMk
date : 2018-10-02
creation_time : 12:29:34
time_reference : 172800000
Duration: 00:00:35.04, bitrate: 2316 kb/s
Stream #1:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s
Output #0, mov, to 'output.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
encoder : Lavf58.17.106
Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 170692 kb/s, 0.04 fps, 25 tbr, 12800 tbn, 25 tbc (default)
Metadata:
creation_time : 2018-10-09T13:41:49.000000Z
handler_name : Apple Video Media Handler
encoder : Apple ProRes 422 (HQ)
timecode : 00:01:12:22
Stream #0:1: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #1:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 875 fps=479 q=-1.0 Lsize= 739138kB time=00:00:34.99 bitrate=173024.6kbits/s speed=19.2x
video:729276kB audio:9846kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.002153% -
FFMpeg Error initializing filter 'drawtext' on Android project
14 janvier 2019, par user3884677I try to draw a text on a video using FFMpeg but I have the error :
ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.8 (GCC)
configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
libavutil 55. 17.103 / 55. 17.103
libavcodec 57. 24.102 / 57. 24.102
libavformat 57. 25.100 / 57. 25.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 31.100 / 6. 31.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/mediapicker/videos/eb89fc80-ebcc-4848-a95c-6983b2c5b09d.mp4':
Metadata:
major_brand : 3gp4
minor_version : 0
compatible_brands: isom3gp4
creation_time : 2018-10-03 15:46:13
com.android.version: 6.0
Duration: 00:00:04.78, start: 0.000000, bitrate: 6167 kb/s
Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, 6122 kb/s, SAR 1:1 DAR 16:9, 19.95 fps, 19.92 tbr, 90k tbn, 180k tbc (default)
Metadata:
rotate : 90
creation_time : 2018-10-03 15:46:13
handler_name : VideoHandle
Side data:
displaymatrix: rotation of -90.00 degrees
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
creation_time : 2018-10-03 15:46:13
handler_name : SoundHandle
Fontconfig error: Cannot load default config file
[Parsed_drawtext_0 @ 0xb561e040] impossible to init fontconfig
[AVFilterGraph @ 0xb5609140] Error initializing filter 'drawtext' with args '"fontfile=/usr/share/fonts/TTF/Vera.ttf: text=Test Heading"'
Error opening filters!This is my code :
private GLSurfaceView mGLView;
private Button chooseVideo;
private Button valideButton;
private String SelectedVideo;
private VideoView videoView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
chooseVideo= findViewById(R.id.choose_video);
chooseVideo.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
new VideoPicker.Builder(MainActivity.this)
.mode(VideoPicker.Mode.GALLERY)
.directory(VideoPicker.Directory.DEFAULT)
.extension(VideoPicker.Extension.MP4)
.enableDebuggingMode(true)
.build();
}
});
videoView = (VideoView) findViewById(R.id.videoView);
final FFmpeg ffmpeg = FFmpeg.getInstance(MainActivity.this);
try {
ffmpeg.loadBinary(new LoadBinaryResponseHandler() {
@Override
public void onStart() {
}
@Override
public void onFailure() {
}
@Override
public void onSuccess() {
}
@Override
public void onFinish() {
}
});
} catch (FFmpegNotSupportedException e) {
}
valideButton= findViewById(R.id.valide);
valideButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
try {
String[] cmd = {"-y" , "-i", SelectedVideo,
"-vf", "drawtext=\"fontfile=/usr/share/fonts/TTF/Vera.ttf: text=\'Test Heading\'\"",
"-acodec",
"copy", Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_MOVIES+"/output.mp4"};
ffmpeg.execute(cmd, new ExecuteBinaryResponseHandler() {
@Override
public void onStart() {
}
@Override
public void onProgress(String message) {
}
@Override
public void onFailure(String message) {
Log.i("ffmpegFailure",message);
}
@Override
public void onSuccess(String message) {
Log.i("ffmpegExecute",message);
videoView.setVideoPath(Environment.getExternalStorageDirectory()+"/"+Environment.DIRECTORY_MOVIES+"/output.mp4");
videoView.requestFocus();
videoView.start();
}
@Override
public void onFinish() {
}
});
} catch (FFmpegCommandAlreadyRunningException e) {
// Handle if FFmpeg is already running
}
}
});
}My problem is that I can not use the option ’drawtext’. When I don’t use the option ’drawtext’ it’s work. I do not know which syntax I should use.
I tried a lot of possibilities without success.
I use this library : http://writingminds.github.io/ffmpeg-android-java/Can you help me ?
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