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DJ Dolores - Oslodum 2004 (includes (cc) sample of “Oslodum” by Gilberto Gil)
15 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
Autres articles (51)
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Personnaliser les catégories
21 juin 2013, parFormulaire de création d’une catégorie
Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire.
Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (8842)
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ffmpeg change metadata inside video file
26 novembre 2020, par virtualsetsHello I have problems to change timecode insdie metadata of a video file "mov"


ruta=r"E:\Brutos-sin-eliminar\inma-ruben-22-2-2020\multicam\\"
nombre=r"A019_02230134_C186.mov"
comand="ffmpeg -i " + nombre + " -ss 0 -map 0 -acodec copy -vcodec copy -timecode 01:20:10:00 -metadata:s:2:0 timecode=01:20:10:00 -metadata:s:1:0 timecode=01:20:10:00 -metadata:s:0:2 -metadata:s:0:2 timecode=01:10:10:00"+ " convert_" + nombre

os.popen(comand)



I need to put muy own timecode to the file but this command not works.


The console give me


mov @ 00000225287fdc00] You requested a copy of the original timecode track so timecode metadata are now ignored
Output #0, mov, to 'convert_A019_02230134_C186.mov':
 Metadata:
 major_brand : qt 
 minor_version : 537199360
 compatible_brands: qt 
 com.blackmagic-design.camera.windowedSensor: 1
 com.apple.proapps.manufacturer: Blackmagic Design
 com.blackmagic-design.camera.uuid: 3cf1dd9e-e307-47ff-864e-5487fea3fa47
 com.blackmagic-design.camera.projectFPS: 25
 com.apple.proapps.shootingRate: 50
 com.blackmagic-design.camera.cameraType: Blackmagic Pocket Cinema Camera 4K
 com.blackmagic-design.camera.shutterAngle: 180°
 com.blackmagic-design.camera.shutterMode: Angle
 com.blackmagic-design.camera.iso: 3200
 com.blackmagic-design.camera.whiteBalanceKelvin: 3000
 com.blackmagic-design.camera.whiteBalanceTint: -44
 com.apple.proapps.customgamma: com.blackmagic-design.camera.filmlog
 com.blackmagic-design.camera.look.LUTName: Blackmagic Pocket 4K Film to Extended Video.cube
 com.blackmagic-design.camera.guides.aspectRatio: 2:1
 com.blackmagic-design.camera.guides.safeArea: 90
 com.blackmagic-design.camera.firmware: 6.6
 com.apple.proapps.clipID: A019_02230134_C186
 com.apple.proapps.reel: 19
 com.apple.proapps.scene: 1
 com.apple.proapps.shot: 99
 com.apple.proapps.isGood: 0
 com.blackmagic-design.camera.environment: interior
 com.blackmagic-design.camera.dayNight: day
 com.apple.proapps.cameraName: A
 com.blackmagic-design.camera.colorScience: Blackmagic Pocket Cinema Camera 4K, Color Science Gen 4
 com.blackmagic-design.camera.dateRecorded: 2020:02:23
 timecode : 01:20:10:00
 encoder : Lavf58.11.101
 Stream #0:0(eng): Video: prores (apcn / 0x6E637061), yuv422p10le(bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 122315 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default)
 Metadata:
 creation_time : 01:10:10:00
 handler_name : ?Apple Alias Data Handler
 encoder : Apple ProRes 422
 timecode : 01:10:10:00
 Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s (default)
 Metadata:
 creation_time : 2020-02-23T00:34:02.000000Z
 handler_name : ?Apple Alias Data Handler
 timecode : 01:20:10:00
 Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
 Metadata:
 creation_time : 2020-02-23T00:34:02.000000Z
 handler_name : ?Apple Alias Data Handler
 timecode : 01:20:10:00
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Stream #0:2 -> #0:2 (copy)
Press [q] to stop, [?] for help
frame= 467 fps=0.0 q=-1.0 Lsize= 281452kB time=00:00:18.64 bitrate=123693.3kbits/s speed=71.1x 
video:278913kB audio:2531kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.002533%



I dont understand why not modificate the mov file... when open the metadata it is oringinal.


Reggards


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FFmpeg generates different number of frame for ORIGINAL and CONVERTED files even though they have same duration and frame rate
24 février 2021, par Mahfujur RahmanI have two files with the following configuration. I am extracting frames using FFmpeg and then encoding the frames with
MediaCodec
using the frame duration to calculate timestamp in android.

While processing the first file, FFmpeg generates around
3000
plus frames but for the second file, FFmpeg generates only around1500
frames.

As I am using the frame duration to encode video, the output video duration changes for the above case. What is it that I am doing wrong ? And Why FFmpeg generates a different number of frames ?




Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'VID-20210223-WA0009.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: mp42isom
 Duration: 00:00:50.39, start: 0.000000, bitrate: 1410 kb/s
 Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 480x848, 1345 kb/s, 59.96 fps, 59.94 tbr, 600 tbn, 1200 tbc (default)
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 62 kb/s (default)
At least one output file must be specified






- 

- Frame pts and duration








Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'VID-20210223-WA0009_1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.48.100
 Duration: 00:00:50.39, start: 0.000000, bitrate: 1376 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc), 480x848, 1301 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 62 kb/s (default)
 Metadata:
 handler_name : SoundHandler
At least one output file must be specified






- 

- Frame Pts and duration
- Converted from the first file using FFmpeg.








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FFMPEG : audio out of sync
15 novembre 2020, par Martinffmpeg -rtsp_transport tcp -i "rtsp://.............." -re -stream_loop -1 -i audio.m4a -filter_complex "[0:a]highpass=f=200,lowpass=f=3000,volume=0.3[mic];[1:a]volume=0.1[mic2];[mic][mic2]amix=duration=shortest[a]" -map 0:v -map "[a]" -c:v copy -b:a 320k -c:a aac -f flv "rtmp://......."


This is my working very well script thanks to @Ilogan


But now i have a problem with an audio out of sync, i don't care about the second one, its just a file audio but the first one is from a microphone of camera IP so it should be synced with the video but now the sound from a microphone is almost 28 seconds later.


Any tips how to do it ?


adelay=28000
? - nope, that didnt help since i need to delay the video to sync this with an audio.Also tried-use_wallclock_as_timestamps 1
but it didnt help neither.
Also i used -itsoffset 28 it helped but for a while, looks like that the delay time between video and audio is rising and now its 40sec+
Whats going on ?

Now i'm trying with
tpad=start_duration=28


edit :


Metadata:
 title : NVT
 comment : From NVT
 Duration: N/A, start: 0.000000, bitrate: N/A
 Stream #0:0: Video: h264 (High), yuvj420p(pc, progressive), 1920x1080, 5 fps, 30 tbr, 90k tbn, 10 tbc
 Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
 Stream #0:2: Data: none
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'audio.m4a':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2mp41
 title : Nature
 artist : 
 date : 2018
 encoder : Lavf58.20.100
 comment : 
 Duration: 08:20:49.15, start: 0.000000, bitrate: 129 kb/s
 Stream #1:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
 Metadata:
 handler_name : ISO Media file produced by Google Inc. Created on: 01/28/2020.
Stream mapping:
 Stream #0:1 (pcm_mulaw) -> highpass
 Stream #1:0 (aac) -> volume
 Stream #0:0 -> #0:0 (copy)
 amix -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[rtsp @ 0x82e490] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
Output #0, flv, to 'rtmp://....':
 Metadata:
 title : NVT
 comment : From NVT
 encoder : Lavf58.20.100
 Stream #0:0: Video: h264 (High) ([7][0][0][0] / 0x0007), yuvj420p(pc, progressive), 1920x1080, q=2-31, 5 fps, 30 tbr, 1k tbn, 90k tbc
 Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 encoder : Lavc58.35.100 aac
frame= 7 fps=0.0 q=-1.0 size= 572kB time=00:00:00.44 bitrate=10634.7kbitsframe= 13 fps= 13 q=-1.0 size= 697kB time=00:00:00.88 bitrate=6463.4kbits/frame= 25 fps= 16 q=-1.0 size= 1185kB time=00:00:01.48 bitrate=6533.1kbits/frame= 33 fps= 16 q=-1.0 size= 1390kB time=00:00:01.99 bitrate=5702.1kbits```