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Autres articles (104)
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Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users. -
Participer à sa traduction
10 avril 2011Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
Actuellement MediaSPIP n’est disponible qu’en français et (...) -
MediaSPIP Player : problèmes potentiels
22 février 2011, parLe lecteur ne fonctionne pas sur Internet Explorer
Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)
Sur d’autres sites (11529)
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Load PNG from disk into AVFrame
15 février 2018, par Pedro PereiraI can’t seem to get this to work. This is what I got so far :
// Variables
int retOp; // for holding the operations results
// Initializes FFmpeg
av_register_all();
// Open image
uint8_t *buffer = NULL;
size_t buffer_size;
retOp = av_file_map("in.png", &buffer, &buffer_size, 0, NULL);
if(retOp < 0){
cerr << "Could not load image!" << endl;
system("pause");
return -1;
}
// Initialize AVFrame
AVFrame* frame = av_frame_alloc();
frame->width = 1920;
frame->height = 1080;
frame->format = AV_PIX_FMT_RGBA;The examples in the FFmpeg Doxygen don’t really help and there’s no support on the web. If there is let me know.
Uncompressed RGBA image.
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Compress video FFMPEG doesn't work
13 février 2018, par Douglas AnunciaçãoI’m trying to compress video using FFMPEG and this library : https://github.com/guardianproject/android-ffmpeg-java
I imported ffmpeglib as a module in my project. This is the code is use to compress :
public class MainActivity extends Activity {
private ArrayList<Object> listVideoPaths = new ArrayList<>();<br />
<br />
@Override<br />
protected void onCreate(Bundle savedInstanceState) {<br />
super.onCreate(savedInstanceState);<br />
setContentView(R.layout.activity_main);<br />
<br />
getGalleryVideos();<br />
<br />
File videoFolderFile = new File("/storage/emulated/0/DCIM/Camera/");<br />
<br />
if(videoFolderFile.exists())<br />
Log.e("TEST FFMPEG", "video folder exist");<br />
else<br />
Log.e("TEST FFMPEG", "video folder DON'T exist");<br />
<br />
<br />
File videoInputFile = new File(listVideoPaths.get(0).toString());<br />
<br />
if(videoInputFile.exists())<br />
Log.e("TEST FFMPEG", "video input file exist");<br />
else<br />
Log.e("TEST FFMPEG", "video input file DON'T exist");<br />
<br />
File videoOutputFile = new File(videoFolderFile,"output.mp4");<br />
<br />
if(videoOutputFile.exists())<br />
Log.e("TEST FFMPEG", "video output file exist");<br />
else<br />
Log.e("TEST FFMPEG", "video output file DON'T exist");<br />
<br />
FfmpegController ffmpegController;<br />
<br />
try {<br />
ffmpegController = new FfmpegController(this,videoFolderFile);<br />
<br />
Clip mediaIn = new Clip();<br />
<br />
mediaIn.path = videoInputFile.getAbsolutePath();<br />
<br />
mediaIn.videoFps = "25";<br />
<br />
ffmpegController.convertToMPEG(mediaIn, videoOutputFile.getAbsolutePath(), new ShellUtils.ShellCallback() {<br />
<br />
@Override<br />
public void shellOut(String shellLine) {<br />
Log.e("TEST FFMPEG", "shellOut - " + shellLine);<br />
}<br />
<br />
@Override<br />
public void processComplete(int exitValue) {<br />
Log.e("TEST FFMPEG", "proccess complete - " + exitValue);<br />
}<br />
});<br />
<br />
<br />
} catch (IOException e) {<br />
e.printStackTrace();<br />
} catch (Exception e) {<br />
e.printStackTrace();<br />
}finally {<br />
<br />
if(videoOutputFile.exists())<br />
Log.e("TEST FFMPEG", "finished ffmpeg ---> video output file exist");<br />
else<br />
Log.e("TEST FFMPEG", "finished ffmpeg ---> video output file DON'T exist");<br />
<br />
}<br />
}<br />
<br />
private void getGalleryVideos(){<br />
<br />
Cursor videoCursor = null;<br />
<br />
try {<br />
<br />
final String[] columns = { Media.DATA,<br />
Media._ID,<br />
Media.DATE_ADDED };<br />
<br />
final String orderBy = Media.DATE_ADDED;<br />
<br />
videoCursor = getContentResolver().query(<br />
MediaStore.Video.Media.EXTERNAL_CONTENT_URI, columns,<br />
null, null, orderBy);<br />
<br />
if (videoCursor != null &amp;&amp; videoCursor.getCount() > 0) {<br />
<br />
while (videoCursor.moveToNext()) {<br />
<br />
int dataColumnIndex = videoCursor<br />
.getColumnIndex(Media.DATA);<br />
<br />
listVideoPaths.add(videoCursor<br />
.getString(dataColumnIndex));<br />
<br />
}<br />
<br />
}<br />
<br />
Collections.sort(listVideoPaths,new Comparator());<br />
<br />
} catch (Exception e) {<br />
<br />
e.printStackTrace();<br />
<br />
} finally {<br />
<br />
if (videoCursor != null) {<br />
<br />
if (!videoCursor.isClosed()) {<br />
<br />
videoCursor.close();<br />
<br />
}<br />
<br />
}<br />
<br />
}<br />
<br />
}<br />
<br />
}<br />
</code></pre><br />
<br />
<p>I get no error but the video doesn't play. The log file is:</p><br />
<br />
<blockquote><br />
<p>3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
video folder exist 07-30 14:31:57.389<br><br />
3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
video input file exist 07-30 14:31:57.389<br><br />
3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
video output file DON'T exist 07-30 14:31:58.363<br><br />
3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut -<br />
/data/data/douglasanunciacao.androidffmpegjavateste/app_bin/ffmpeg -y<br />
-i /storage/emulated/0/DCIM/Camera/VID_20150730_142330563.mp4 -f mpeg /storage/emulated/0/DCIM/Camera/output.mp4 07-30 14:31:58.385<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - WARNING: linker:<br />
/data/data/douglasanunciacao.androidffmpegjavateste/app_bin/ffmpeg has<br />
text relocations. This is wasting memory and prevents security<br />
hardening. Please fix. 07-30 14:31:58.390<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg<br />
developers 07-30 14:31:58.391<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - built on Dec 22 2014 12:52:34 with gcc 4.6 20120106<br />
(prerelease) 07-30 14:31:58.391<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - configuration: --arch=arm --cpu=cortex-a8<br />
--target-os=linux --enable-runtime-cpudetect --prefix=/data/data/info.guardianproject.ffmpeg/app_opt --enable-pic --disable-shared --enable-static --cross-prefix=/home/n8fr8/dev/android/ndk/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/arm-linux-androideabi-<br />
--sysroot=/home/n8fr8/dev/android/ndk/platforms/android-16/arch-arm --extra-cflags='-I../x264 -mfloat-abi=softfp -mfpu=neon -fPIE -pie' --extra-ldflags='-L../x264 -fPIE -pie' --enable-version3 --enable-gpl --disable-doc --enable-yasm --enable-decoders --enable-encoders --enable-muxers --enable-demuxers --enable-parsers --enable-protocols --enable-filters --enable-avresample --enable-libfreetype --disable-indevs --enable-indev=lavfi --disable-outdevs --enable-hwaccels --enable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-network --enable-libx264 --enable-zlib 07-30 14:31:58.391<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libavutil 51. 54.100 / 51. 54.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libavcodec 54. 23.100 / 54. 23.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libavformat 54. 6.100 / 54. 6.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libavdevice 54. 0.100 / 54. 0.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libavfilter 2. 77.100 / 2. 77.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libswscale 2. 1.100 / 2. 1.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libswresample 0. 15.100 / 0. 15.100 07-30 14:31:58.391<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - libpostproc 52. 0.100 / 52. 0.100 07-30 14:31:58.868<br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Input #0, mov,mp4,m4a,3gp,3g2,mj2, from<br />
'/storage/emulated/0/DCIM/Camera/VID_20150730_142330563.mp4': 07-30<br />
14:31:58.869 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Metadata: 07-30 14:31:58.869<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - major_brand : mp42 07-30 14:31:58.870<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - minor_version : 0 07-30 14:31:58.871<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - compatible_brands: isommp42 07-30 14:31:58.872<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.873 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Duration: 00:00:01.89, start: 0.000000,<br />
bitrate: 17571 kb/s 07-30 14:31:58.874<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Stream #0:0(eng): Video: h264 (High) (avc1 /<br />
0x31637661), yuv420p, 1920x1080, 15874 kb/s, SAR 65536:65536 DAR 16:9,<br />
23.90 fps, 23.92 tbr, 90k tbn, 180k tbc 07-30 14:31:58.875 3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Metadata: 07-30 14:31:58.876<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - rotate : 270 07-30 14:31:58.877<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.878 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - handler_name : VideoHandle 07-30<br />
14:31:58.878 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Stream #0:1(eng): Audio: aac (mp4a /<br />
0x6134706D), 48000 Hz, stereo, s16, 127 kb/s 07-30 14:31:58.878<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Metadata: 07-30 14:31:58.878<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.878 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - handler_name : SoundHandle 07-30<br />
14:31:58.882 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - [buffer @ 0xb5cce0a0] w:1920 h:1080<br />
pixfmt:yuv420p tb:1/90000 sar:65536/65536 sws_param:flags=2 07-30<br />
14:31:58.882 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - [buffersink @ 0xb5cce0d0] No opaque field<br />
provided 07-30 14:31:58.891<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - [mpeg @ 0xb5c3df00] VBV buffer size not set, muxing may<br />
fail 07-30 14:31:58.892<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Output #0, mpeg, to<br />
'/storage/emulated/0/DCIM/Camera/output.mp4': 07-30 14:31:58.894<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Metadata: 07-30 14:31:58.895<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - major_brand : mp42 07-30 14:31:58.896<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - minor_version : 0 07-30 14:31:58.896<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - compatible_brands: isommp42 07-30 14:31:58.897<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.898 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - encoder : Lavf54.6.100 07-30<br />
14:31:58.898 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Stream #0:0(eng): Video: mpeg1video,<br />
yuv420p, 1920x1080 [SAR 65536:65536 DAR 16:9], q=2-31, 200 kb/s, 90k<br />
tbn, 23.98 tbc 07-30 14:31:58.899<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Metadata: 07-30 14:31:58.899<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - rotate : 270 07-30 14:31:58.900<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.901 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - handler_name : VideoHandle 07-30<br />
14:31:58.906 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Stream #0:1(eng): Audio: mp2, 48000 Hz,<br />
stereo, s16, 128 kb/s 07-30 14:31:58.906<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Metadata: 07-30 14:31:58.906<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - creation_time : 2015-07-30 17:23:34 07-30<br />
14:31:58.906 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - handler_name : SoundHandle 07-30<br />
14:31:58.906 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Stream mapping: 07-30 14:31:58.906<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - Stream #0:0 -> #0:0 (h264 -> mpeg1video) 07-30<br />
14:31:58.906 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Stream #0:1 -> #0:1 (aac -> mp2) 07-30<br />
14:31:58.906 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - Press [q] to stop, [?] for help 07-30<br />
14:31:59.824 3096-3182/douglasanunciacao.androidffmpegjavateste<br />
E/TESTE FFMPEG﹕ shellOut - frame= 4 fps=0.0 q=2.0 size= 0kB<br />
time=00:00:00.08 bitrate= 0.0kbits/s 07-30 14:32:02.029<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 8 fps=2.7 q=10.5 size= 4kB time=00:00:00.25<br />
bitrate= 130.9kbits/s 07-30 14:32:02.536<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 13 fps=3.7 q=25.2 size= 696kB time=00:00:00.45<br />
bitrate=12427.3kbits/s 07-30 14:32:03.045<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 18 fps=4.4 q=31.0 size= 750kB time=00:00:00.66<br />
bitrate=9206.8kbits/s 07-30 14:32:03.582<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 23 fps=5.0 q=31.0 size= 786kB time=00:00:00.87<br />
bitrate=7351.4kbits/s 07-30 14:32:04.140<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 28 fps=5.5 q=31.0 size= 862kB time=00:00:01.08<br />
bitrate=6511.8kbits/s 07-30 14:32:05.239<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 30 fps=4.8 q=31.0 size= 876kB time=00:00:01.16<br />
bitrate=6144.9kbits/s 07-30 14:32:05.746<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 35 fps=5.2 q=31.0 size= 910kB time=00:00:01.37<br />
bitrate=5416.2kbits/s 07-30 14:32:06.317<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 41 fps=5.6 q=31.0 size= 972kB time=00:00:01.62<br />
bitrate=4895.2kbits/s 07-30 14:32:06.832<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - frame= 45 fps=5.7 q=31.0 Lsize= 1022kB<br />
time=00:00:01.83 bitrate=4562.1kbits/s 07-30 14:32:06.832<br><br />
3096-3182/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
shellOut - video:984kB audio:30kB global headers:0kB muxing overhead<br />
0.756932% 07-30 14:32:06.858 3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
proccess complete - 0 07-30 14:32:06.858<br><br />
3096-3096/douglasanunciacao.androidffmpegjavateste E/TESTE FFMPEG﹕<br />
terminou o ffmpeg ---> video output file exist</p><br />
</blockquote><br />
<br />
<p>Does anyone knows how to solve this problem? Thanks in advance.</p> -
FFMPEG - convert video without losing resolution
20 février 2020, par SrhI am using ffmpeg to convert mp4 video from youtube. The video is HD 1080. When I convert it to mpeg2video, the video loses its sharpness, regardless of the
-s 1920x1080
parameter. How can I convert the video without losing picture sharpness ? The command I use is :ffmpeg -i BBB.mp4 -vcodec mpeg2video -s1920x1080 -acodec copy -f mpegts BBB.ts