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Médias (1)
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Bug de détection d’ogg
22 mars 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Video
Autres articles (63)
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La file d’attente de SPIPmotion
28 novembre 2010, parUne file d’attente stockée dans la base de donnée
Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...) -
D’autres logiciels intéressants
12 avril 2011, parOn ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
La liste suivante correspond à des logiciels qui tendent peu ou prou à faire comme MediaSPIP ou que MediaSPIP tente peu ou prou à faire pareil, peu importe ...
On ne les connais pas, on ne les a pas essayé, mais vous pouvez peut être y jeter un coup d’oeil.
Videopress
Site Internet : (...) -
Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.
Sur d’autres sites (7517)
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GStreamer x264enc and SIGSEGV on Android
18 juillet 2012, par CipiI am trying to play around with GStreamer-java and it's h.264 encoder (x264enc) on Android.
Now, I tried to encode raw video from test video source (set its is-live property to TRUE), and when data starts flowing into the x264enc Element, I get SIGSEGV in libx264.so and my app crashes. And it looks like code is dereferencing a NULL... Exact error location is in file "gstreamer_ndk_bundle/x264/encoder/analyse.c" line 963. And it is this line :
h->mc.memcpy_aligned( h->mb.pic.i8x8_dct_buf, h->dct.luma8x8, sizeof(h->mb.pic.i8x8_dct_buf) );
My device's CPU is Cortex 8 and it has NEON feature...
I tried to printout to a file all
h
structure fields, and no field is uninitialized.Android DEBUG info from LogCat : HERE
My questions :
- How can I know what is throwing SIGSEGV, because this line of code seems to be ok ?
- Is this a known bug or an expected behavior of x264 encoder on ARM CPU or I am missing some encoder configuration ?
- I noticed that if I set property analyse of the encoder to 0x3:0x113 (some random value I found online) I don't get SIGSEGV, encoder seems to work, but I get error in pipeline : Data flow error. Can I just set analyse to a meaningful value ?
Update
I fprintf-ed all important "h" fields just before execution runs in x264_mb_analyse_intra() function and just before the line that it breaks, guess it could help : http://pastebin.com/sAfX239j
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GStreamer x264enc and SIGSEGV on Android
18 juillet 2012, par CipiI am trying to play around with GStreamer-java and it's h.264 encoder (x264enc) on Android.
Now, I tried to encode raw video from test video source (set its is-live property to TRUE), and when data starts flowing into the x264enc Element, I get SIGSEGV in libx264.so and my app crashes. And it looks like code is dereferencing a NULL... Exact error location is in file "gstreamer_ndk_bundle/x264/encoder/analyse.c" line 963. And it is this line :
h->mc.memcpy_aligned( h->mb.pic.i8x8_dct_buf, h->dct.luma8x8, sizeof(h->mb.pic.i8x8_dct_buf) );
My device's CPU is Cortex 8 and it has NEON feature...
I tried to printout to a file all
h
structure fields, and no field is uninitialized.Android DEBUG info from LogCat : HERE
My questions :
- How can I know what is throwing SIGSEGV, because this line of code seems to be ok ?
- Is this a known bug or an expected behavior of x264 encoder on ARM CPU or I am missing some encoder configuration ?
- I noticed that if I set property analyse of the encoder to 0x3:0x113 (some random value I found online) I don't get SIGSEGV, encoder seems to work, but I get error in pipeline : Data flow error. Can I just set analyse to a meaningful value ?
Update
I fprintf-ed all important "h" fields just before execution runs in x264_mb_analyse_intra() function and just before the line that it breaks, guess it could help : http://pastebin.com/sAfX239j
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How to combine a .mp4 video with a .wav audio with an offset in ffmpeg from command line ?
15 mars 2014, par minder42I've got a TV clip in mp4 format containing audio and video, and an WAV audio_commentary track.
I've been trying to combine them in ffmpeg and then play it online with a flash player (which can only take h264 format)
What's the best ffmpeg command to accomplish this ? My inputs are MP4 video, WAV audio, and an offset in seconds, the time the audio commentary starts relative to the start of the mp4 video.
I tried
ffmpeg -i input_audio.wav -i input_vid.mp4 -vcodec copy output.mp4
and
ffmpeg -vcodec copy -ss offset -i input_audio.wav -i input_video.mp4 output.mp4
nether of these do what I want and output the video in the h264 format that is good for flash players- Is there a way to do this from command line in ffmpeg ?