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Autres articles (25)
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Librairies et binaires spécifiques au traitement vidéo et sonore
31 janvier 2010, parLes logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
Binaires complémentaires et facultatifs flvtool2 : (...) -
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 (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)
Sur d’autres sites (1299)
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FFmpeg, MPEG4 video rotate and Windows
25 décembre 2017, par user3768884I have this kind of video recorded in some Samsung Galaxy phone (info from : "ffprobe -v error -show_format -show_streams filename.mp4")
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_time_base=7048499/423000000
codec_tag_string=avc1
codec_tag=0x31637661
width=1920
height=1080
coded_width=1920
coded_height=1080
has_b_frames=0
sample_aspect_ratio=0:1
display_aspect_ratio=0:1
pix_fmt=yuv420p
level=40
color_range=unknown
color_space=unknown
color_transfer=unknown
color_primaries=unknown
chroma_location=left
field_order=unknown
timecode=N/A
refs=1
is_avc=true
nal_length_size=4
id=N/A
r_frame_rate=30/1
avg_frame_rate=211500000/7048499
time_base=1/90000
start_pts=0
start_time=0.000000
duration_ts=7048499
duration=78.316656
bit_rate=17010472
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=2350
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
TAG:rotate=90
TAG:creation_time=2017-12-17T13:42:14.000000Z
TAG:language=eng
TAG:handler_name=VideoHandle
[SIDE_DATA]
side_data_type=Display Matrix
displaymatrix=
00000000: 0 65536 0
00000001: -65536 0 0
00000002: 0 0 1073741824
rotation=-90
[/SIDE_DATA]
[/STREAM]
[STREAM]
index=1
codec_name=aac
codec_long_name=AAC (Advanced Audio Coding)
profile=LC
codec_type=audio
codec_time_base=1/48000
codec_tag_string=mp4a
codec_tag=0x6134706d
sample_fmt=fltp
sample_rate=48000
channels=2
channel_layout=stereo
bits_per_sample=0
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_pts=0
start_time=0.000000
duration_ts=3772416
duration=78.592000
bit_rate=126154
max_bit_rate=128000
bits_per_raw_sample=N/A
nb_frames=3684
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
TAG:creation_time=2017-12-17T13:42:14.000000Z
TAG:language=eng
TAG:handler_name=SoundHandle
[/STREAM]
[FORMAT]
filename=original_galaxy.mp4
nb_streams=2
nb_programs=0
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime / MOV
start_time=0.000000
duration=78.592000
size=167808936
bit_rate=17081528
probe_score=100
TAG:major_brand=isom
TAG:minor_version=0
TAG:compatible_brands=isom3gp4
TAG:creation_time=2017-12-17T13:42:14.000000Z
[/FORMAT]Since all my media players does not support rotate-knowledge, I have turned the video over again, and at the same time slightly decreased the resolution of command "ffmpeg -i "input.mp4" -vf "scale=720:1280,transpose=0,transpose=0" -c:a copy "output.mp4""
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_time_base=1/60
codec_tag_string=avc1
codec_tag=0x31637661
width=720
height=1280
coded_width=720
coded_height=1280
has_b_frames=2
sample_aspect_ratio=0:1
display_aspect_ratio=0:1
pix_fmt=yuv420p
level=31
color_range=unknown
color_space=unknown
color_transfer=unknown
color_primaries=unknown
chroma_location=left
field_order=unknown
timecode=N/A
refs=1
is_avc=true
nal_length_size=4
id=N/A
r_frame_rate=30/1
avg_frame_rate=30/1
time_base=1/15360
start_pts=0
start_time=0.000000
duration_ts=1203717
duration=78.366992
bit_rate=2570692
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=2351
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
TAG:language=eng
TAG:handler_name=VideoHandler
[/STREAM]
[STREAM]
index=1
codec_name=aac
codec_long_name=AAC (Advanced Audio Coding)
profile=LC
codec_type=audio
codec_time_base=1/48000
codec_tag_string=mp4a
codec_tag=0x6134706d
sample_fmt=fltp
sample_rate=48000
channels=2
channel_layout=stereo
bits_per_sample=0
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_pts=0
start_time=0.000000
duration_ts=3772416
duration=78.592000
bit_rate=126154
max_bit_rate=126154
bits_per_raw_sample=N/A
nb_frames=3684
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
TAG:language=eng
TAG:handler_name=SoundHandler
[/STREAM]
[FORMAT]
filename=from_ffmpeg.mp4
nb_streams=2
nb_programs=0
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime / MOV
start_time=0.000000
duration=78.592000
size=26503544
bit_rate=2697836
probe_score=100
TAG:major_brand=isom
TAG:minor_version=512
TAG:compatible_brands=isomiso2avc1mp41
TAG:encoder=Lavf57.41.100
[/FORMAT]This works very well in VLC, for example. However, Windows Media Player or Samsung TV does not play it. Windows Explorer does not even show a video thumbnail, so the video file is broken by Windows.
Is not FFmpeg able to produce a standard MPEG4 file, or what the hell is this about ? I’ve tried all the alternatives presented, such as "-fflags +genpts", "-fflags genpts", "-movflags faststart", "-movflags +faststart", "pix_fmt=yuv420p" etc. but nothing worked.
The sound I copied directly.
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Using ffmpeg to generate dash manifest and it cannot be played by dash.js
18 mars 2019, par PunkheadI’m using ffmpeg to encode incoming stream via rtmp protocol, the code as following :
ffmpeg -re -i rtmp://localhost:1935${StreamPath} -use_timeline 1 /
-use_template 1 -window_size 10 -min_seg_duration 5000 -f dash out.mpdThe manifest looks like this :
<?xml version="1.0" encoding="utf-8"?>
<mpd xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" type="static" mediapresentationduration="PT1M36.4S" minbuffertime="PT8.3S">
<programinformation>
</programinformation>
<period start="PT0.0S">
<adaptationset contenttype="video" segmentalignment="true" bitstreamswitching="true" framerate="30/1">
<representation mimetype="video/mp4" codecs="avc1.640028" width="1920" height="1080" framerate="30/1">
<segmenttemplate timescale="15360" initialization="init-stream$RepresentationID$.m4s" media="chunk-stream$RepresentationID$-$Number%05d$.m4s" startnumber="4">
<segmenttimeline>
<s t="384000" d="128000"></s>
<s d="71680"></s>
<s d="128000" r="4"></s>
<s d="56832"></s>
<s d="128000"></s>
<s d="72704"></s>
</segmenttimeline>
</segmenttemplate>
</representation>
</adaptationset>
<adaptationset contenttype="audio" segmentalignment="true" bitstreamswitching="true">
<representation mimetype="audio/mp4" codecs="mp4a.40.2" bandwidth="128000" audiosamplingrate="44100">
<audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
<segmenttemplate timescale="44100" initialization="init-stream$RepresentationID$.m4s" media="chunk-stream$RepresentationID$-$Number%05d$.m4s" startnumber="4">
<segmenttimeline>
<s t="1099755" d="367616"></s>
<s d="205824"></s>
<s d="367616" r="4"></s>
<s d="162816"></s>
<s d="367616"></s>
<s d="207872"></s>
</segmenttimeline>
</segmenttemplate>
</representation>
</adaptationset>
</period>
</mpd>When I try to play it on dash.js player, a error occured :
[112] Parsing complete: ( xml2json: 3.50ms, objectiron: 1.76ms, total: 0.00526s) Debug.js:127
[116] SegmentTimeline detected using calculated Live Edge Time Debug.js:127
[118] MediaSource attached to element. Waiting on open... Debug.js:127
[119] Manifest has been refreshed at Tue Jan 02 2018 01:57:35 GMT+0800 [1514829455.1] Debug.js:127
[155] MediaSource is open! Debug.js:127
[156] Duration successfully set to: 96.4 Debug.js:127
[157] Added 0 inline events Debug.js:127
[158] video codec: video/mp4;codecs="avc1.640028" Stream.js:225
Uncaught TypeError: Cannot read property 'type' of null
at z (Stream.js:225)
at C (Stream.js:285)
at D (Stream.js:373)
at E (Stream.js:398)
at Object.d [as activate] (Stream.js:107)
at y (StreamController.js:363)
at MediaSource.c (StreamController.js:342)then it fails to playback...
Is it because I didn’t set the parameters right on ffmpeg or this is a bug in dash.js ?
I really stuck here !
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FFMPEG : watermark 4k Video failed
10 janvier 2018, par Diaa SaadaI’m using FFMPEG to watermark my videos and it is working fine when the output is 1080p or lower even if the input is 4K
ffmpeg -i 4k.mkv -i watermark.png -filter_complex "scale=-2:1080,overlay=10:10" output1080.mp4But if I tried to output a 4K video
ffmpeg -i 4k.mkv -i watermark.png -filter_complex "overlay=10:10" output4k.mp4I get this error message
x264 [error]: malloc of size 26199520 failedme=00:00:00.88 bitrate= 0.0kbits/s speed=1.72x
Video encoding failed
[aac @ 0xaa42240] Qavg: 17612.034
[aac @ 0xaa42240] 2 frames left in the queue on closing
Conversion failed!the linux I am working on is 32x so I’m using 32 version of ffmpeg
how can I fix this ?
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