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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. -
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.
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Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
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Sur d’autres sites (5316)
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FFMPEG audio conversion is taking too much time
26 octobre 2018, par Sachin VarmaHow to make the audio conversion ultrafast ?
It is now taking more than 2 minutes for converting an audio around 2mb in size.
The command i’m using for execution of conversion is
String[] cmd = {"-y", "-i", audioPath, outputPath};How to preset the ultrafast mode ?
While i’m trying it like
String[] cmd = {"-y", "-i", audioPath,"-preset", "ultrafast" ,outputPath};It is taking same time itself.
Using the library https://github.com/WritingMinds/ffmpeg-android-java
Log :
D : ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
D : built with gcc 4.8 (GCC) D : configuration : —target-os=linux
—cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi-
—arch=arm —cpu=cortex-a8 —enable-runtime-cpudetect —sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot
—enable-pic —enable-libx264 —enable-libass —enable-libfreetype —enable-libfribidi —enable-libmp3lame —enable-fontconfig —enable-pthreads —disable-debug —disable-ffserver —enable-version3 —enable-hardcoded-tables —disable-ffplay —disable-ffprobe —enable-gpl —enable-yasm —disable-doc —disable-shared —enable-static —pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config —prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a —extra-cflags=’-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all’ —extra-ldflags=’-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib
-Wl,-z,relro -Wl,-z,now -pie’ —extra-libs=’-lpng -lexpat -lm’ —extra-cxxflags= D : libavutil 55. 17.103 / 55. 17.103 D : libavcodec 57. 24.102 / 57. 24.102 D : libavformat 57. 25.100
/ 57. 25.100 D : libavdevice 57. 0.101 / 57. 0.101 D :
libavfilter 6. 31.100 / 6. 31.100 D : libswscale 4. 0.100
/ 4. 0.100 D : libswresample 2. 0.101 / 2. 0.101 D :
libpostproc 54. 0.100 / 54. 0.100 D : [mp3 @ 0xf2a25000] Skipping
0 bytes of junk at 33. D : [mp3 @ 0xf2a25000] Estimating duration from
bitrate, this may be inaccurate D : Input #0, mp3, from
’/storage/emulated/0/Bluetooth1/Aluva Puzha Song with Lyrics Premam
Malayalam Movie Song 2015 ft Nivin Pauly.mp3’ : D : Metadata : D :
encoder : Lavf52.64.2 D : Duration : 00:03:03.28, start :
0.000000, bitrate : 128 kb/s D : Stream #0:0 : Audio : mp3, 44100 Hz, stereo, s16p, 128 kb/s D : Codec AVOption preset (Set the encoding
preset (cf. x264 —fullhelp)) specified for output file #0
(/storage/emulated/0/SACLO.m4a) has not been used for any stream. The
most likely reason is either wrong type (e.g. a video option with no
video streams) or that it is a private option of some encoder which
was not actually used for any stream. D : Output #0, ipod, to
’/storage/emulated/0/SACLO.m4a’ : D : Metadata : D : encoder
: Lavf57.25.100 D : Stream #0:0 : Audio : aac (LC) (mp4a /
0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s D : Metadata : D :
encoder : Lavc57.24.102 aac D : Stream mapping : D : Stream0:0 -> #0:0 (mp3 (native) -> aac (native)) D : Press [q] to stop, [?] for help D : size= 6kB time=00:00:01.78 bitrate= 25.6kbits/s
speed=3.54x D : size= 18kB time=00:00:02.53 bitrate=
57.1kbits/s speed=2.51x D : size= 30kB time=00:00:03.32 bitrate= 74.1kbits/s speed=2.18x D : size= 42kB
time=00:00:04.08 bitrate= 84.9kbits/s speed=2.02x D : size=
50kB time=00:00:04.57 bitrate= 89.5kbits/s speed=1.81x D : size=
61kB time=00:00:05.27 bitrate= 95.4kbits/s speed=1.73x D : size=
70kB time=00:00:05.82 bitrate= 98.6kbits/s speed=1.64x D : size=
80kB time=00:00:06.45 bitrate= 101.4kbits/s speed=1.59x D : size=
91kB time=00:00:07.17 bitrate= 104.4kbits/s speed=1.57x D : size=
103kB time=00:00:07.91 bitrate= 106.8kbits/s speed=1.56x D : size=
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137kB time=00:00:10.05 bitrate= 111.6kbits/s speed=1.52x D : size=
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558kB time=00:00:36.73 bitrate= 124.4kbits/s speed= 1.5x D : size=
570kB time=00:00:37.50 bitrate= 124.5kbits/s speed= 1.5x D : size=
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656kB time=00:00:42.95 bitrate= 125.0kbits/s speed=1.51x D : size=
666kB time=00:00:43.58 bitrate= 125.2kbits/s speed= 1.5x D : size=
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861kB time=00:00:55.96 bitrate= 126.1kbits/s speed=1.53x D : size=
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952kB time=00:01:01.74 bitrate= 126.3kbits/s speed=1.54x D : size=
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978kB time=00:01:03.41 bitrate= 126.4kbits/s speed=1.54x D : size=
992kB time=00:01:04.27 bitrate= 126.4kbits/s speed=1.54x D : size=
1005kB time=00:01:05.10 bitrate= 126.4kbits/s speed=1.54x D : size=
1018kB time=00:01:05.94 bitrate= 126.5kbits/s speed=1.54x D : size=
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1044kB time=00:01:07.61 bitrate= 126.5kbits/s speed=1.55x D : size=
1058kB time=00:01:08.45 bitrate= 126.6kbits/s speed=1.55x D : size=
1071kB time=00:01:09.33 bitrate= 126.6kbits/s speed=1.55x D : size=
1085kB time=00:01:10.17 bitrate= 126.6kbits/s speed=1.55x D : size=
1098kB time=00:01:11.00 bitrate= 126.6kbits/s speed=1.55x D : size=
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1123kB time=00:01:12.63 bitrate= 126.7kbits/s speed=1.55x D : size=
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1188kB time=00:01:16.71 bitrate= 126.8kbits/s speed=1.56x D : size=
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1420kB time=00:01:31.32 bitrate= 127.4kbits/s speed=1.53x D : size=
1432kB time=00:01:32.04 bitrate= 127.5kbits/s speed=1.53x D : size=
1442kB time=00:01:32.67 bitrate= 127.5kbits/s speed=1.52x D : size=
1455kB time=00:01:33.50 bitrate= 127.5kbits/s speed=1.53x D : size=
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1480kB time=00:01:35.06 bitrate= 127.6kbits/s speed=1.53x D : size=
1489kB time=00:01:35.57 bitrate= 127.6kbits/s speed=1.52x D : size=
1499kB time=00:01:36.24 bitrate= 127.6kbits/s speed=1.52x D : size=
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1945kB time=00:02:04.41 bitrate= 128.0kbits/s speed=1.54x D : size=
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1971kB time=00:02:06.06 bitrate= 128.1kbits/s speed=1.54x D : size=
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2100kB time=00:02:14.21 bitrate= 128.2kbits/s speed=1.55x D : size=
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2246kB time=00:02:23.36 bitrate= 128.3kbits/s speed=1.54x D : size=
2258kB time=00:02:24.10 bitrate= 128.3kbits/s speed=1.54x D : size=
2270kB time=00:02:24.84 bitrate= 128.4kbits/s speed=1.54x D : size=
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2308kB time=00:02:27.23 bitrate= 128.4kbits/s speed=1.53x D : size=
2317kB time=00:02:27.77 bitrate= 128.5kbits/s speed=1.53x D : size=
2327kB time=00:02:28.35 bitrate= 128.5kbits/s speed=1.53x D : size=
2334kB time=00:02:28.77 bitrate= 128.5kbits/s speed=1.52x D : size=
2342kB time=00:02:29.30 bitrate= 128.5kbits/s speed=1.52x D : size=
2355kB time=00:02:30.11 bitrate= 128.5kbits/s speed=1.52x D : size=
2364kB time=00:02:30.67 bitrate= 128.5kbits/s speed=1.52x D : size=
2374kB time=00:02:31.27 bitrate= 128.5kbits/s speed=1.52x D : size=
2386kB time=00:02:32.02 bitrate= 128.6kbits/s speed=1.52x D : size=
2398kB time=00:02:32.76 bitrate= 128.6kbits/s speed=1.52x D : size=
2411kB time=00:02:33.60 bitrate= 128.6kbits/s speed=1.52x D : size=
2422kB time=00:02:34.27 bitrate= 128.6kbits/s speed=1.52x D : size=
2435kB time=00:02:35.13 bitrate= 128.6kbits/s speed=1.52x D : size=
2448kB time=00:02:35.87 bitrate= 128.6kbits/s speed=1.52x D : size=
2460kB time=00:02:36.64 bitrate= 128.7kbits/s speed=1.52x D : size=
2472kB time=00:02:37.40 bitrate= 128.7kbits/s speed=1.52x D : size=
2485kB time=00:02:38.22 bitrate= 128.7kbits/s speed=1.52x D : size=
2496kB time=00:02:38.89 bitrate= 128.7kbits/s speed=1.52x D : size=
2509kB time=00:02:39.70 bitrate= 128.7kbits/s speed=1.52x D : size=
2519kB time=00:02:40.35 bitrate= 128.7kbits/s speed=1.51x D : size=
2530kB time=00:02:41.00 bitrate= 128.7kbits/s speed=1.51x D : size=
2539kB time=00:02:41.61 bitrate= 128.7kbits/s speed=1.51x D : size=
2553kB time=00:02:42.47 bitrate= 128.7kbits/s speed=1.51x D : size=
2566kB time=00:02:43.28 bitrate= 128.7kbits/s speed=1.51x D : size=
2578kB time=00:02:44.07 bitrate= 128.7kbits/s speed=1.51x D : size=
2591kB time=00:02:44.86 bitrate= 128.7kbits/s speed=1.51x D : size=
2602kB time=00:02:45.55 bitrate= 128.8kbits/s speed=1.51x D : size=
2615kB time=00:02:46.39 bitrate= 128.8kbits/s speed=1.51x D : size=
2628kB time=00:02:47.18 bitrate= 128.8kbits/s speed=1.51x D : size=
2641kB time=00:02:47.99 bitrate= 128.8kbits/s speed=1.51x D : size=
2649kB time=00:02:48.53 bitrate= 128.8kbits/s speed=1.51x D : size=
2657kB time=00:02:49.04 bitrate= 128.8kbits/s speed=1.51x D : size=
2671kB time=00:02:49.85 bitrate= 128.8kbits/s speed=1.51x D : size=
2681kB time=00:02:50.50 bitrate= 128.8kbits/s speed=1.51x D : size=
2691kB time=00:02:51.10 bitrate= 128.8kbits/s speed=1.51x D : size=
2703kB time=00:02:51.89 bitrate= 128.8kbits/s speed=1.51x D : size=
2716kB time=00:02:52.71 bitrate= 128.8kbits/s speed=1.51x D : size=
2729kB time=00:02:53.47 bitrate= 128.9kbits/s speed=1.51x D : size=
2741kB time=00:02:54.26 bitrate= 128.9kbits/s speed=1.51x D : size=
2753kB time=00:02:55.00 bitrate= 128.9kbits/s speed=1.51x D : size=
2766kB time=00:02:55.79 bitrate= 128.9kbits/s speed=1.51x D : size=
2779kB time=00:02:56.65 bitrate= 128.9kbits/s speed=1.51x D : size=
2792kB time=00:02:57.44 bitrate= 128.9kbits/s speed=1.51x D : size=
2806kB time=00:02:58.32 bitrate= 128.9kbits/s speed=1.51x D : size=
2819kB time=00:02:59.14 bitrate= 128.9kbits/s speed=1.51x D : size=
2831kB time=00:02:59.90 bitrate= 128.9kbits/s speed=1.51x D : size=
2844kB time=00:03:00.74 bitrate= 128.9kbits/s speed=1.51x D : size=
2878kB time=00:03:03.27 bitrate= 128.6kbits/s speed=1.53x D :
video:0kB audio:2846kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead : 1.109895% D : [aac @ 0xf2a70c00] Qavg :
2111.697Any help will be appreciated.
-
FFMPEG : custom sequence input images
31 juillet 2018, par Dmitriy PuchkovI created a video from a set of images.
The command look like :
ffmpeg -i bg.jpeg -i img_%d.png -filter_complex overlay=5:H-h-5[b]-shortest testvid.mp4Problem :
The input
-i img_%d.pngmeansimg_0.png,img_1.png,img_2.png, ...But I have custom sequence like this :
{img_0.png, img_1.png, img_1.png, img_2.png, img_1.png, img5.png, img_4.png}Question :
Can I put my image sequence into input of ffmpeg ?
Updated
cmd :
ffmpeg -i bg.jpeg -f concat -fflags +genpts -i test.txt -filter_complex overlay=5:H-h-5 -shortest testvid.mp4output :
ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
configuration: --enable-gpl --enable-libx264 --enable-libfreetype
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Input #0, image2, from 'bg.jpeg':
Duration: 00:00:00.04, start: 0.000000, bitrate: 47329 kb/s
Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 600x800 [SAR 1:1 DAR 3:4], 25 tbr, 25 tbn, 25 tbc
Input #1, concat, from 'test.txt':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #1:0: Video: png, pal8(pc), 200x200, 25 tbr, 25 tbn, 25 tbc
File 'testvid.mp4' already exists. Overwrite ? [y/N] y
[swscaler @ 0x2a18360] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x2a05d80] using SAR=1/1
[libx264 @ 0x2a05d80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x2a05d80] profile High, level 3.1
[libx264 @ 0x2a05d80] 264 - core 148 r2705 3f5ed56 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 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_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x2a04b20] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Output #0, mp4, to 'testvid.mp4':
Metadata:
encoder : Lavf57.41.100
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 600x800 [SAR 1:1 DAR 3:4], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
Metadata:
encoder : Lavc57.48.101 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
Stream #0:0 (mjpeg) -> overlay:main
Stream #1:0 (png) -> overlay:overlay
overlay -> Stream #0:0 (libx264)
Press [q] to stop, [?] for help
[concat @ 0x29e2400] DTS -230575710986777 < 0 out of order
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
DTS -230575710986777, next:40000 st:0 invalid dropping
PTS -230575710986777, next:40000 invalid dropping st:0
frame= 4 fps=0.0 q=-1.0 Lsize= 39kB time=00:00:00.04 bitrate=8050.9kbits/s dup=0 drop=65 speed=0.516x
video:39kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.222729%
[libx264 @ 0x2a05d80] frame I:1 Avg QP:24.64 size: 37536
[libx264 @ 0x2a05d80] frame P:1 Avg QP:27.18 size: 1085
[libx264 @ 0x2a05d80] frame B:2 Avg QP:29.93 size: 73
[libx264 @ 0x2a05d80] consecutive B-frames: 25.0% 0.0% 75.0% 0.0%
[libx264 @ 0x2a05d80] mb I I16..4: 1.7% 86.1% 12.2%
[libx264 @ 0x2a05d80] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 1.7% 1.3% 1.5% 0.0% 0.0% skip:95.5%
[libx264 @ 0x2a05d80] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 2.4% 0.0% 0.0% direct: 0.0% skip:97.6% L0:62.6% L1:37.4% BI: 0.0%
[libx264 @ 0x2a05d80] 8x8 transform intra:86.1% inter:33.9%
[libx264 @ 0x2a05d80] coded y,uvDC,uvAC intra: 91.5% 84.4% 38.5% inter: 0.6% 0.4% 0.1%
[libx264 @ 0x2a05d80] i16 v,h,dc,p: 9% 12% 3% 76%
[libx264 @ 0x2a05d80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 19% 17% 8% 4% 5% 5% 7% 10%
[libx264 @ 0x2a05d80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 18% 10% 10% 9% 7% 10% 8% 7%
[libx264 @ 0x2a05d80] i8c dc,h,v,p: 45% 21% 26% 8%
[libx264 @ 0x2a05d80] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x2a05d80] ref B L0: 84.2% 15.8%
[libx264 @ 0x2a05d80] kb/s:1938.35 -
FFmpeg - Concat videos with different time base [duplicate]
3 mai 2019, par XysThis question already has an answer here :
I’m trying to concat videos with the concat demuxer, but it does not work when using one video ("video2.mp4" below). By does not work, I mean playing the concatenated video on a player will work until the second video part starts (it just cannot read the video anymore). It works with the concat filter though. They are both mp4 videos, so I think it’s because of the time base ? I can concat other videos with the concat demuxer and it works fine (even with different resolutions/bitrate). It only happens when trying to concat "video2.mp4".
Also, I have a lot of warning/errors like this, probably when ffmpeg starts concatenating the 2nd video :
[mp4 @ 0x7f847a814800] Non-monotonous DTS in output stream 0:0; previous: 906906, current: 302359; changing to 906907. This may result in incorrect timestamps in the output file.What would be the best way to have a minimum concat time ? Do I really need to use the concat filter or can I change the time base of "video1.mp4" if it’s really the problem ?
Any help would be appreciated, thanks !
Video 1 :
ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-vda
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libavresample 3. 1. 0 / 3. 1. 0
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video1.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2016-08-17T22:50:35.000000Z
Duration: 00:00:10.11, start: 0.000000, bitrate: 38018 kb/s
Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 1696x848, 37832 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 180k tbc (default)
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : VideoHandle
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : SoundHandleVideo 2 :
ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-vda
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libavresample 3. 1. 0 / 3. 1. 0
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video2.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42mp41
creation_time : 2017-01-06T22:30:23.000000Z
Duration: 00:00:08.19, start: 0.000000, bitrate: 101474 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 4096x2048 [SAR 1:1 DAR 2:1], 101549 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
Metadata:
creation_time : 2017-01-06T22:30:23.000000Z
handler_name : ?Mainconcept Video Media Handler
encoder : AVC Coding
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 125 kb/s (default)
Metadata:
creation_time : 2017-01-06T22:30:23.000000Z
handler_name : #Mainconcept MP4 Sound Media HandlerFFMpeg Command :
ffmpeg -f concat -safe 0 -i concat.txt -c copy result.mp4concat.txt :
file '/path/to/video1.mp4'
file '/path/to/video2.mp4'Command result :
ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-vda
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libavresample 3. 1. 0 / 3. 1. 0
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbd8b808c00] Auto-inserting h264_mp4toannexb bitstream filter
Input #0, concat, from 'concat.txt':
Duration: N/A, start: 0.000000, bitrate: 38021 kb/s
Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 1696x848, 37832 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 180k tbc
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : VideoHandle
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : SoundHandle
Output #0, mp4, to 'result.mp4':
Metadata:
encoder : Lavf57.56.100
Stream #0:0(eng): Video: h264 (Baseline) ([33][0][0][0] / 0x0021), yuv420p, 1696x848, q=2-31, 37832 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 90k tbc
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : VideoHandle
Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 189 kb/s
Metadata:
creation_time : 2016-08-18T00:02:24.000000Z
handler_name : SoundHandle
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 112 fps=0.0 q=-1.0 size= 12701kB time=00:00:03.70 bitrate=28092.2kbits/s speed= 7.4x
frame= 151 fps=151 q=-1.0 size= 18853kB time=00:00:05.00 bitrate=30857.5kbits/s speed= 5x
frame= 224 fps=149 q=-1.0 size= 30042kB time=00:00:07.44 bitrate=33074.8kbits/s speed=4.95x
frame= 268 fps=134 q=-1.0 size= 36596kB time=00:00:08.90 bitrate=33650.8kbits/s speed=4.44x
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fbd8a808000] Auto-inserting h264_mp4toannexb bitstream filter.9x
[mp4 @ 0xb545d000] Non-monotonous DTS in output stream 0:1; previous: 484352, current: 445939; changing to 484353. This may result in incorrect timestamps in the output file.
[concat @ 0xb545c400] DTS 304057 < 906906 out of order
[mp4 @ 0xb545d000] Non-monotonous DTS in output stream 0:0; previous: 906906, current: 304057; changing to 906907. This may result in incorrect timestamps in the output file.
[mp4 @ 0xb545d000] Non-monotonous DTS in output stream 0:1; previous: 484353, current: 446963; changing to 484354. This may result in incorrect timestamps in the output file.
...
... like 100 DTS errors ...
...
[mp4 @ 0xb545d000] Non-monotonous DTS in output stream 0:0; previous: 907150, current: 548301; changing to 907151. This may result in incorrect timestamps in the output file.
frame= 548 fps=169 q=-1.0 Lsize= 148399kB time=00:00:18.28 bitrate=66493.7kbits/s speed=5.64x
video:148027kB audio:359kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.008622%Thank you in advance !
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