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#3 The Safest Place
16 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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15 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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#2 Typewriter Dance
15 octobre 2011, par
Mis à jour : Février 2013
Langue : English
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#1 The Wires
11 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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ED-ME-5 1-DVD
11 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
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Revolution of Open-source and film making towards open film making
6 octobre 2011, par
Mis à jour : Juillet 2013
Langue : English
Type : Texte
Autres articles (42)
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Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...) -
Contribute to translation
13 avril 2011You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
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Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
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Sur d’autres sites (4049)
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iOS switching between audio & subtitle tracks added using ffmpeg
27 décembre 2019, par Tony MEdit : Title altered to reflect that the answer and comments by @llogan cover switching between both audio and subtitle tracks.
I have an
m.mp4
with English audio and want to add a second audio stream in Italian so that I can play either language using the iPhone. When I used this command :ffmpeg -i m.mp4 -i ita.mp3 -c copy -map 0 -map 1 out.mp4
the output from
ffmpeg -i out.mp4
(see below) shows that a new audio stream is added, and I can switch between audio streams using the VLC player. Yet when I transfer the video to the TV app and play it on either MacOS or iOS it only plays the original English and I see no options to play other languages.How do I get it to be able to switch between either audio on iOS ?
Here is the output from
ffmpeg -i out.mp4:
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 400x300 [SAR 1:1 DAR 4:3], q=2-31, 482 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 24k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 102 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream #0:2: Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 152 kb/s
Metadata:
encoder : LAME3.100
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Stream #1:0 -> #0:2 (copy) -
Multi-language broadcasting title metadata for Audio & subtitle is not working
28 septembre 2022, par Fariduzzaman XenarI have a (.mp4) video file that contains 1 video track, 2 audio tracks & 2 subtitles. I already used different titles for audio tracks on encoding, but it's not working on any web player like JWPlayer, or Flussonic, where Multi-language broadcasting is supported. It shows eng a1, hin a2 for audio | eng t1, ben t2 for subtitle


I want to show it like this English, Hindi for audio | English, Bangla for Subtitle


Here is my video Detail :
[FROM FFPROBE]


Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x800 [SAR 1:1 DAR 12:5], 2254 kb/s, 23.98 fps, 23.98 tbr, 24k tbn (default)
 Metadata:
 handler_name : VideoHandler
 vendor_id : [0][0][0][0]
 Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 129 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 vendor_id : [0][0][0][0]
 Stream #0:2[0x3](hin): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 161 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 vendor_id : [0][0][0][0]
 Stream #0:3[0x4](eng): Subtitle: mov_text (tx3g / 0x67337874), 0 kb/s
 Metadata:
 handler_name : SubtitleHandler
 Stream #0:4[0x5](ben): Subtitle: mov_text (tx3g / 0x67337874), 0 kb/s (default)
 Metadata:
 handler_name : SubtitleHandler
 Stream #0:5[0x6](eng): Data: bin_data (text / 0x74786574)
 Metadata:
 handler_name : SubtitleHandler



[FROM MEDIAINFO]


General
Complete name : video.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 2.64 GiB
Duration : 2 h 28 min
Overall bit rate mode : Variable
Overall bit rate : 2 551 kb/s
Writing application : Lavf59.32.100

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2 h 27 min
Source duration : 2 h 27 min
Bit rate : 2 141 kb/s
Nominal bit rate : 2 250 kb/s
Maximum bit rate : 2 254 kb/s
Width : 1 920 pixels
Height : 800 pixels
Display aspect ratio : 2.40:1


Audio #1
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Channel(s) : 2 channels
Source stream size : 137 MiB (5%)
Title : English
Language : English
Default : Yes
Alternate group : 1
Menus : 6

Audio #2
ID : 3
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Channel(s) : 2 channels
Source stream size : 171 MiB (6%)
Title : Hindi
Language : Hindi
Default : Yes
Alternate group : 2
Menus : 6

Text #1
ID : 4
Format : Timed Text
Muxing mode : sbtl
Codec ID : tx3g
Duration : 2 h 27 min
Bit rate mode : Variable
Bit rate : 69 b/s
Stream size : 74.4 KiB (0%)
Title : English
Language : English
Default : No
Forced : No
Alternate group : 3
Menus : 6

Text #2
ID : 5
Format : Timed Text
Muxing mode : sbtl
Codec ID : tx3g
Duration : 2 h 27 min
Bit rate mode : Variable
Bit rate : 164 b/s
Stream size : 178 KiB (0%)
Title : Bangla
Language : Bengali
Default : Yes
Forced : No
Alternate group : 4
Menus : 6




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Concat gives flickering result
4 avril 2016, par Robin CastlinI really don’t get this ; I use ffmpeg concat one 2 files and the audio is concated well, but the videos aren’t. The second video causes freeze/flicker/green screen instead.
'ffmpeg -y -f concat -i concat.txt -c:v libx264 -pix_fmt yuv420p -c:a copy output.mkv
Comparing the files, I have made them as identical as possible :
- input.mkv1
Video: MPEG4 Video (H264) 1280x720 60fps [V: h264 main L4.1, yuv420p, 1280x720 [default]]
Audio: AAC 48000Hz stereo [A: aac, 48000 Hz, stereo [default]] - input2.mkv
Video: MPEG4 Video (H264) 1280x720 60fps [V: English [eng] (h264 main L4.1, yuv420p, 1280x720) [default]]
Audio: AAC 48000Hz stereo [A: English [eng] (aac, 48000 Hz, stereo) [default]]
What could cause this behavior ?
- input.mkv1