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Bug de détection d’ogg
22 mars 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Video
Autres articles (12)
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Le plugin : Podcasts.
14 juillet 2010, parLe problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
Types de fichiers supportés dans les flux
Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...) -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Taille des images et des logos définissables
9 février 2011, parDans beaucoup d’endroits du site, logos et images sont redimensionnées pour correspondre aux emplacements définis par les thèmes. L’ensemble des ces tailles pouvant changer d’un thème à un autre peuvent être définies directement dans le thème et éviter ainsi à l’utilisateur de devoir les configurer manuellement après avoir changé l’apparence de son site.
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Sur d’autres sites (5828)
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Android ffmpeg - 3gp to mp4 videos not playing
17 juillet 2013, par santhoshI am doing an android application which is used to merge two videos and after merge completed play the result video. For this I am using ffmpeg.
When I record two mpeg or mp4 videos, the result merged video playing fine. Now I record the videos as 3gp and convert it into mp4 and merged it. Then the result video is not playing.
Can anybody help me What may be the problem ?
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Why ffmpeg command results in blank video ?
17 juillet 2013, par kheyaI am trying to conver mov file to H264 encoded mp4
Same command converts another mov file just fine.But fails for a particular mov file. Original video is 29.6MB after conversion I get 966KB
I get the sound and duration right. But all the frames are black even though original video is fine.
Here is the command :
ffmpeg -i file3.mov -movflags +faststart -vcodec libx264 -preset slow -crf 20 -vf -threads 0 -acodec libvo_aacenc -b:a 128k "file3.mp4"
Here is the result of ffmpeg -i : >ffmpeg.exe -i file3.mov
ffmpeg version N-54691-g7f4a1fd Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 12 2013 16:31:48 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
libavutil 52. 39.100 / 52. 39.100
libavcodec 55. 18.102 / 55. 18.102
libavformat 55. 12.102 / 55. 12.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 80.101 / 3. 80.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000003077e0] sample aspect ratio already set to
118:81, ignoring 'pasp' atom (10000:7031)
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file3.mov':
Metadata:
creation_time : 2009-02-12 01:19:22
Duration: 00:00:08.00, start: 0.000000, bitrate: 30338 kb/s
Stream #0:0(eng): Video: dvvideo (dvpp / 0x70707664), yuv411p, 720x576 [SAR
64:45 DAR 16:9], 28800 kb/s, SAR 118:81 DAR 295:162, 25 fps, 25 tbr, 600 tbn, 25
tbc
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data Handler
Stream #0:1(eng): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s1
6, 1536 kb/s
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data HandlerDuring conversion here is what I see (nothing unusual or no errors) :
ffmpeg version N-54691-g7f4a1fd Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 12 2013 16:31:48 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
libavutil 52. 39.100 / 52. 39.100
libavcodec 55. 18.102 / 55. 18.102
libavformat 55. 12.102 / 55. 12.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 80.101 / 3. 80.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000024aafe0] sample aspect ratio already set to
118:81, ignoring 'pasp' atom (10000:7031)
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file3.mov':
Metadata:
creation_time : 2009-02-12 01:19:22
Duration: 00:00:08.00, start: 0.000000, bitrate: 30338 kb/s
Stream #0:0(eng): Video: dvvideo (dvpp / 0x70707664), yuv411p, 720x576 [SAR
64:45 DAR 16:9], 28800 kb/s, SAR 118:81 DAR 295:162, 25 fps, 25 tbr, 600 tbn, 25
tbc
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data Handler
Stream #0:1(eng): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s1
6, 1536 kb/s
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data Handler
No pixel format specified, yuv422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0000000000347340] using SAR=118/81
[libx264 @ 0000000000347340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX
[libx264 @ 0000000000347340] profile High 4:2:2, level 2.1, 4:2:2 8-bit
[libx264 @ 0000000000347340] 264 - core 133 r2334 a3ac64b - H.264/MPEG-4 AVC cod
ec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 r
ef=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed
_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pski
p=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 deci
mate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_
adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=2
5 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=crf mbtree=1 crf=20.0 qcomp=0.6
0 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'file4a.mp4':
Metadata:
encoder : Lavf55.12.102
Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv422p, 4
80x320 [SAR 118:81 DAR 59:27], q=-1--1, 12800 tbn, 25 tbc
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data Handler
Stream #0:1(eng): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000
Hz, stereo, s16, 128 kb/s
Metadata:
creation_time : 2009-02-12 01:19:22
handler_name : Apple Alias Data Handler
Stream mapping:
Stream #0:0 -> #0:0 (dvvideo -> libx264)
Stream #0:1 -> #0:1 (pcm_s16be -> libvo_aacenc)
Press [q] to stop, [?] for help
[swscaler @ 00000000024b0740] Warning: data is not aligned! This can lead to a s
peedloss
frame= 78 fps=0.0 q=25.0 size= 128kB time=00:00:02.14 bitrate= 487.8kbits/
frame= 113 fps=109 q=25.0 size= 272kB time=00:00:04.27 bitrate= 520.9kbits/
frame= 145 fps= 94 q=25.0 size= 399kB time=00:00:05.36 bitrate= 609.2kbits/
frame= 182 fps= 89 q=25.0 size= 571kB time=00:00:06.45 bitrate= 725.0kbits/
Starting second pass: moving header on top of the file
frame= 200 fps= 70 q=-1.0 Lsize= 965kB time=00:00:08.00 bitrate= 987.2kbits
/s
video:832kB audio:126kB subtitle:0 global headers:0kB muxing overhead 0.755121%
[libx264 @ 0000000000347340] frame I:1 Avg QP:21.14 size: 39885
[libx264 @ 0000000000347340] frame P:50 Avg QP:21.80 size: 7412
[libx264 @ 0000000000347340] frame B:149 Avg QP:26.25 size: 2960
[libx264 @ 0000000000347340] consecutive B-frames: 0.5% 0.0% 1.5% 98.0%
[libx264 @ 0000000000347340] mb I I16..4: 13.7% 46.7% 39.7%
[libx264 @ 0000000000347340] mb P I16..4: 0.5% 19.7% 3.8% P16..4: 32.8% 11.9
% 14.1% 0.0% 0.0% skip:17.1%
[libx264 @ 0000000000347340] mb B I16..4: 0.0% 5.1% 1.3% B16..8: 14.4% 9.2
% 2.9% direct: 7.3% skip:59.8% L0:42.8% L1:38.3% BI:19.0%
[libx264 @ 0000000000347340] 8x8 transform intra:79.4% inter:71.7%
[libx264 @ 0000000000347340] direct mvs spatial:97.3% temporal:2.7%
[libx264 @ 0000000000347340] coded y,uvDC,uvAC intra: 92.8% 80.1% 26.3% inter: 2
4.2% 28.8% 8.1%
[libx264 @ 0000000000347340] i16 v,h,dc,p: 64% 17% 3% 16%
[libx264 @ 0000000000347340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 1% 33% 4% 3% 8%
2% 35% 2% 11%
[libx264 @ 0000000000347340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 3% 23% 5% 4% 11%
5% 33% 4% 13%
[libx264 @ 0000000000347340] i8c dc,h,v,p: 38% 40% 14% 8%
[libx264 @ 0000000000347340] Weighted P-Frames: Y:2.0% UV:0.0%
[libx264 @ 0000000000347340] ref P L0: 39.9% 10.0% 25.6% 8.7% 15.3% 0.6%
[libx264 @ 0000000000347340] ref B L0: 76.9% 15.1% 5.7% 2.3%
[libx264 @ 0000000000347340] ref B L1: 96.3% 3.7%
[libx264 @ 0000000000347340] kb/s:851.49 -
ffmpeg says : "option framerate not found"
16 juillet 2013, par JasonGood afternoon.
I've been trying to use ffmpeg to split a .mpeg into a sequence of .jpeg images. Please note that this is the inverse problem of the one specified here, but the problem I'm facing is not the same as the problem the author of that thread is facing.
Specifically, I have tried all the following mpeg codecs available in my ffmpeg installation :
DEV D ffv1 FFmpeg video codec #1
DEVSD ffvhuff Huffyuv FFmpeg variant
DEVSDT mpeg1video MPEG-1 video
D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
D V D mpeg2_crystalhd MPEG-2 Video (CrystalHD acceleration)
DEVSDT mpeg2video MPEG-2 video
DEVSDT mpeg4 MPEG-4 part 2
D V D mpeg4_crystalhd MPEG-4 Part 2 (CrystalHD acceleration)
D V DT mpeg4_vdpau MPEG-4 part 2 (VDPAU)
D VSDT mpegvideo MPEG-1 video
D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)
D VSDT mpegvideo_xvmc MPEG-1/2 video XvMC (X-Video Motion Compensation)
DEVSD msmpeg4 MPEG-4 part 2 Microsoft variant version 3
D V D msmpeg4_crystalhd MPEG-4 Part 2 Microsoft variant version 3 (CrystalHD acceleration)
D VSD msmpeg4v1 MPEG-4 part 2 Microsoft variant version 1
DEVSD msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2I've tried supplying ffmpeg with all different codecs to try to split an input .mpeg video file with 2548 frames into 2548 .jpegs, by using the -vcodec option :
ffmpeg -r 2548 -i frames.mpeg frames_%06d.jpg -vcodec $codec
where
$codec
is any codec among the ones listed above, e.g.ffv1
,mpeg4
, etc. However, all my efforts result in the following error :[NULL @ 0x1948f20] Value 4707126720094797824.000000 for parameter 'probesize' out of range
[NULL @ 0x1948f20] Value 4707126720094797824.000000 for parameter 'analyzeduration' out of range
[NULL @ 0x1948f20] Value 4697254411347427328.000000 for parameter 'indexmem' out of range
[NULL @ 0x1948f20] Value 4703785510416416768.000000 for parameter 'rtbufsize' out of range
[NULL @ 0x1948f20] Value -4616189618054758400.000000 for parameter 'fpsprobesize' out of range
[NULL @ 0x1948f20] Value 4607182418800017408.000000 for parameter 'f_err_detect' out of range
[NULL @ 0x1948f20] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
Option framerate not found.Which is weird, because I've actually specified the frame rate parameter through the -r switch. I googled a bit and it appears that this error was mentioned approximately a year and a half ago on the ffmpeg bug tracker but that information makes little sense to me because it's relevant to the devs. Curiously, if I interchange the position of the parameters and put -r after -i or even after -vcodec, the error message changes to :
[NULL @ 0x24abf20] Value 4707126720094797824.000000 for parameter 'probesize' out of range
[NULL @ 0x24abf20] Value 4707126720094797824.000000 for parameter 'analyzeduration' out of range
[NULL @ 0x24abf20] Value 4697254411347427328.000000 for parameter 'indexmem' out of range
[NULL @ 0x24abf20] Value 4703785510416416768.000000 for parameter 'rtbufsize' out of range
[NULL @ 0x24abf20] Value -4616189618054758400.000000 for parameter 'fpsprobesize' out of range
[NULL @ 0x24abf20] Value 4607182418800017408.000000 for parameter 'f_err_detect' out of range
[NULL @ 0x24abf20] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
[NULL @ 0x24b23c0] Value 4686111960511545344.000000 for parameter 'b' out of range
[NULL @ 0x24b23c0] Value 4683532506232782848.000000 for parameter 'ab' out of range
[NULL @ 0x24b23c0] Value 4705844345939427328.000000 for parameter 'bt' out of range
[NULL @ 0x24b23c0] Value 4617315517961601024.000000 for parameter 'me_method' out of range
[NULL @ 0x24b23c0] Value 4622945017495814144.000000 for parameter 'g' out of range
[NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'qmin' out of range
[NULL @ 0x24b23c0] Value 4629418941960159232.000000 for parameter 'qmax' out of range
[NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'qdiff' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'wpredp' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'bug' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'er' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
[NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'ec' out of range
[NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'ildctcmp' out of range
[NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'subq' out of range
[NULL @ 0x24b23c0] Value 4696837138094751744.000000 for parameter 'ibias' out of range
[NULL @ 0x24b23c0] Value 4696837138094751744.000000 for parameter 'pbias' out of range
[NULL @ 0x24b23c0] Value 4642507528377204736.000000 for parameter 'lmin' out of range
[NULL @ 0x24b23c0] Value 4660262442142531584.000000 for parameter 'lmax' out of range
[NULL @ 0x24b23c0] Value 4696130710463840256.000000 for parameter 'flags2' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'threads' out of range
[NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'nssew' out of range
[NULL @ 0x24b23c0] Value -4586705114244317184.000000 for parameter 'profile' out of range
[NULL @ 0x24b23c0] Value -4586705114244317184.000000 for parameter 'level' out of range
[NULL @ 0x24b23c0] Value 4623507967449235456.000000 for parameter 'skipcmp' out of range
[NULL @ 0x24b23c0] Value 4642507528377204736.000000 for parameter 'mblmin' out of range
[NULL @ 0x24b23c0] Value 4660262442142531584.000000 for parameter 'mblmax' out of range
[NULL @ 0x24b23c0] Value 4643211215818981376.000000 for parameter 'mepc' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'bidir_refine' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'cqp' out of range
[NULL @ 0x24b23c0] Value 4627730092099895296.000000 for parameter 'keyint_min' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'refs' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'directpred' out of range
[NULL @ 0x24b23c0] Value 4618441417868443648.000000 for parameter 'sc_factor' out of range
[NULL @ 0x24b23c0] Value 4643211215818981376.000000 for parameter 'mv0_threshold' out of range
[NULL @ 0x24b23c0] Value 4630826316843712512.000000 for parameter 'b_sensitivity' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'compression_level' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'min_prediction_order' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'max_prediction_order' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'prediction_order_method' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'min_partition_order' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'max_partition_order' out of range
[NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'ticks_per_frame' out of range
[NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'color_primaries' out of range
[NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'color_trc' out of range
[NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'colorspace' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'aq_mode' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'rc_lookahead' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'lpc_type' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'lpc_passes' out of range
[NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'thread_type' out of range
[NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'request_sample_fmt' out of range
frames.mpeg: could not find codec parametersI'm at a loss as to what to do with this problem, and am looking for some assistance.
Kind regards,
Jason