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Autres articles (53)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...) -
Contribute to a better visual interface
13 avril 2011MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.
Sur d’autres sites (8682)
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ffmpeg screen blending mode makes transparent png pink
28 janvier 2014, par gilad sI have a sequence of PNG files with transparency - I'd like screen-blend them on top of a video
ffmpeg -i video.mp4 -i "Images/%03d.png" -filter_complex "blend=all_mode='screen':all_opacity=0.7" output.mp4the images are indeed merged on top of the video but with a pink overlay ?!
I also tried to add "-vcodec png" and "-vcodec libx264" and to try a .mov video but got the same result.
ffmpeg version N-58061-g5231eec Copyright (c) 2000-2013 the FFmpeg developers
built on Nov 14 2013 05:35:15 with gcc 4.6 (Debian 4.6.3-1)
configuration: --prefix=/root/ffmpeg-static/64bit --extra-cflags='-I/root/ffmpeg-
static/64bit/include -static' --extra-ldflags='-L/root/ffmpeg-static/64bit/lib -static'
--extra-libs='-lxml2 -lexpat -lfreetype' --enable-static --disable-shared --disable-
ffserver --disable-doc --enable-bzlib --enable-zlib --enable-postproc --enable-runtime-
cpudetect --enable-libx264 --enable-gpl --enable-libtheora --enable-libvorbis --enable-
libmp3lame --enable-gray --enable-libass --enable-libfreetype --enable-libopenjpeg --
enable-libspeex --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-version3 --
enable-libvpx
libavutil 52. 52.100 / 52. 52.100
libavcodec 55. 41.101 / 55. 41.101
libavformat 55. 21.100 / 55. 21.100
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 91.100 / 3. 91.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf54.2.100
Duration: 00:00:18.88, start: 0.000000, bitrate: 595 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x480, 461 kb/s,
25.16 fps, 25 tbr, 1000k tbn, 2000k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s
(default)
Metadata:
handler_name : SoundHandler
Input #1, image2, from 'Dots2/%03d.png':
Duration: 00:00:10.00, start: 0.000000, bitrate: N/A
Stream #1:0: Video: png, rgba, 640x480, 25 fps, 25 tbr, 25 tbn, 25 tbc
[libx264 @ 0x292ad60] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x292ad60] profile High, level 3.0
[libx264 @ 0x292ad60] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Copyleft
2003-2012 - 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
Output #0, mp4, to 'output_Dots.mp4':
Metadata:
major_brand : isom
Stream #0:1(und): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, stereo,
s16, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 (h264) -> blend:top (graph 0)
Stream #1:0 (png) -> blend:bottom (graph 0)
blend (graph 0) -> Stream #0:0 (libx264)
Stream #0:1 -> #0:1 (aac -> libvo_aacenc)
Press [q] to stop, [?] for help
frame= 475 fps=105 q=-1.0 Lsize= 1660kB time=00:00:18.92 bitrate= 718.7kbits/s
video:1349kB audio:295kB subtitle:0 global headers:0kB muxing overhead 0.993598%
[libx264 @ 0x292ad60] frame I:2 Avg QP:19.79 size: 33501
[libx264 @ 0x292ad60] frame P:176 Avg QP:23.16 size: 5651
[libx264 @ 0x292ad60] frame B:297 Avg QP:27.76 size: 1074
[libx264 @ 0x292ad60] consecutive B-frames: 13.3% 8.8% 3.8% 74.1%
[libx264 @ 0x292ad60] mb I I16..4: 1.7% 69.9% 28.4%
[libx264 @ 0x292ad60] mb P I16..4: 3.3% 8.1% 1.0% P16..4: 47.1% 14.7% 7.5% 0.0%
0.0% skip:18.3%
[libx264 @ 0x292ad60] mb B I16..4: 0.1% 0.0% 0.0% B16..8: 44.4% 2.6% 0.8%
direct: 0.9% skip:51.2% L0:46.0% L1:50.5% BI: 3.5%
[libx264 @ 0x292ad60] 8x8 transform intra:64.9% inter:74.0%
[libx264 @ 0x292ad60] coded y,uvDC,uvAC intra: 47.0% 50.4% 13.1% inter: 11.8% 12.7% 0.5%
[libx264 @ 0x292ad60] i16 v,h,dc,p: 50% 18% 9% 23%
[libx264 @ 0x292ad60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 15% 22% 4% 6% 6% 7% 5% 5%
[libx264 @ 0x292ad60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 19% 19% 4% 6% 6% 6% 4% 4%
[libx264 @ 0x292ad60] i8c dc,h,v,p: 55% 17% 25% 2%
[libx264 @ 0x292ad60] Weighted P-Frames: Y:29.0% UV:23.9%
[libx264 @ 0x292ad60] ref P L0: 63.5% 20.9% 13.2% 2.3% 0.2%
[libx264 @ 0x292ad60] ref B L0: 96.8% 2.8% 0.4%
[libx264 @ 0x292ad60] ref B L1: 98.4% 1.6%
[libx264 @ 0x292ad60] kb/s:581.24 -
FFMPEG : create movie from timestamped images
26 août 2015, par HyperDevilIm trying to make a small movie file from a folder with webcam images.
They are named like this :
00-00-38.jpg
00-05-37.jpg
00-10-37.jpg
00-15-37.jpgH-M-S.jpg format
Although i tried patterntype glob and simpler commands i cannot get it to work.
This is what i tried :
ffmpeg -r 1 -pattern_type glob -i '*.jpg' -scale=720:-1 -c:v libx264 out.mp4
(got only one image)
ffmpeg -r 25 -i *.jpg -vf "scale=720:-1" output.mp4
(same size as a jpg file but no video)Console output :
ffmpeg -framerate 1 -pattern_type glob -i "*.jpg" -vf scale=720:-1 -c:v libx264 -pix_fmt yuv420p out.mp4
ffmpeg version 1.0.10 Copyright (c) 2000-2014 the FFmpeg developers built on Jul 25 2014 07:50:40 with gcc 4.7 (Debian 4.7.2-5)
configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security '
--extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis
--enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --
enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --
enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64
-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enabl
e-libopus --enable-fontconfig --enable-libfdk-aac --enable-libdc1394 --disable-altivec --dis
libavutil 51. 73.101 / 51. 73.101
libavcodec 54. 59.100 / 54. 59.100
libavformat 54. 29.104 / 54. 29.104
libavdevice 54. 2.101 / 54. 2.101
libavfilter 3. 17.100 / 3. 17.100
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[image2 @ 0x1d53f00] max_analyze_duration 5000000 reached at 5000000
Input #0, image2, from '*.jpg':
Duration: 00:04:48.00, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj420p, 800x593 [SAR 96:96 DAR 800:593], 1 fps, 1 tbr, 1 tbn, 1 tbc
[libx264 @ 0x1d35bc0] using SAR=1780/1779
[libx264 @ 0x1d35bc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX XOP FMA4 FMA3 SSEMisalign LZCNT BMI1
[libx264 @ 0x1d35bc0] profile High, level 2.2
[libx264 @ 0x1d35bc0] 264 - core 132 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: ca
bac=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 8x8dc
t=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 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 key
int_min=1 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
Output #0, mp4, to 'out.mp4':
Metadata:
encoder : Lavf54.29.104
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 720x534 [SAR 1780:1779 DAR 800:593], q=-1--1, 1 tbn, 1 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg -> libx264)
Press [q] to stop, [?] for help
frame= 288 fps=145 q=32763.0 Lsize= 349kB time=00:04:46.00 bitrate= 10.0kbits/s
video:345kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.208469%
[libx264 @ 0x1d35bc0] frame I:2 Avg QP: 2.80 size:130328
[libx264 @ 0x1d35bc0] frame P:73 Avg QP: 4.70 size: 1167
[libx264 @ 0x1d35bc0] frame B:213 Avg QP:17.33 size: 30
[libx264 @ 0x1d35bc0] consecutive B-frames: 1.4% 0.0% 0.0% 98.6%
[libx264 @ 0x1d35bc0] mb I I16..4: 20.2% 24.9% 55.0%
[libx264 @ 0x1d35bc0] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 4.3% 0.1% 0.2% 0.0% 0.0% skip:95.5%
[libx264 @ 0x1d35bc0] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.8% 0.0% 0.0% direct: 0.0% skip:99.2% L0: 5.4% L1:94.5% BI: 0.0
%
[libx264 @ 0x1d35bc0] 8x8 transform intra:24.9% inter:51.5%
[libx264 @ 0x1d35bc0] coded y,uvDC,uvAC intra: 99.4% 0.0% 0.0% inter: 0.6% 0.0% 0.0%
[libx264 @ 0x1d35bc0] i16 v,h,dc,p: 5% 19% 52% 25%
[libx264 @ 0x1d35bc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 28% 21% 4% 6% 4% 8% 5% 15%
[libx264 @ 0x1d35bc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 27% 13% 6% 8% 5% 9% 6% 12%
[libx264 @ 0x1d35bc0] i8c dc,h,v,p: 100% 0% 0% 0%
[libx264 @ 0x1d35bc0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x1d35bc0] ref P L0: 98.1% 0.0% 1.7% 0.2%
[libx264 @ 0x1d35bc0] ref B L0: 52.0% 48.0%
[libx264 @ 0x1d35bc0] ref B L1: 73.0% 27.0%
[libx264 @ 0x1d35bc0] kb/s:9.78The video is 364KB without any video.
-
FFMPEG : create movie from timestamped images
28 mai 2017, par HyperDevilIm trying to make a small movie file from a folder with webcam images.
They are named like this :
00-00-38.jpg
00-05-37.jpg
00-10-37.jpg
00-15-37.jpgH-M-S.jpg format
Although i tried patterntype glob and simpler commands i cannot get it to work.
This is what i tried :
ffmpeg -r 1 -pattern_type glob -i '*.jpg' -scale=720:-1 -c:v libx264 out.mp4
(got only one image)
ffmpeg -r 25 -i *.jpg -vf "scale=720:-1" output.mp4
(same size as a jpg file but no video)Console output :
ffmpeg -framerate 1 -pattern_type glob -i "*.jpg" -vf scale=720:-1 -c:v libx264 -pix_fmt yuv420p out.mp4
ffmpeg version 1.0.10 Copyright (c) 2000-2014 the FFmpeg developers built on Jul 25 2014 07:50:40 with gcc 4.7 (Debian 4.7.2-5)
configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security '
--extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis
--enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-li
bopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --
enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --
enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64
-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enabl
e-libopus --enable-fontconfig --enable-libfdk-aac --enable-libdc1394 --disable-altivec --dis
libavutil 51. 73.101 / 51. 73.101
libavcodec 54. 59.100 / 54. 59.100
libavformat 54. 29.104 / 54. 29.104
libavdevice 54. 2.101 / 54. 2.101
libavfilter 3. 17.100 / 3. 17.100
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[image2 @ 0x1d53f00] max_analyze_duration 5000000 reached at 5000000
Input #0, image2, from '*.jpg':
Duration: 00:04:48.00, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj420p, 800x593 [SAR 96:96 DAR 800:593], 1 fps, 1 tbr, 1 tbn, 1 tbc
[libx264 @ 0x1d35bc0] using SAR=1780/1779
[libx264 @ 0x1d35bc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX XOP FMA4 FMA3 SSEMisalign LZCNT BMI1
[libx264 @ 0x1d35bc0] profile High, level 2.2
[libx264 @ 0x1d35bc0] 264 - core 132 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: ca
bac=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 8x8dc
t=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 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 key
int_min=1 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
Output #0, mp4, to 'out.mp4':
Metadata:
encoder : Lavf54.29.104
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 720x534 [SAR 1780:1779 DAR 800:593], q=-1--1, 1 tbn, 1 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg -> libx264)
Press [q] to stop, [?] for help
frame= 288 fps=145 q=32763.0 Lsize= 349kB time=00:04:46.00 bitrate= 10.0kbits/s
video:345kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.208469%
[libx264 @ 0x1d35bc0] frame I:2 Avg QP: 2.80 size:130328
[libx264 @ 0x1d35bc0] frame P:73 Avg QP: 4.70 size: 1167
[libx264 @ 0x1d35bc0] frame B:213 Avg QP:17.33 size: 30
[libx264 @ 0x1d35bc0] consecutive B-frames: 1.4% 0.0% 0.0% 98.6%
[libx264 @ 0x1d35bc0] mb I I16..4: 20.2% 24.9% 55.0%
[libx264 @ 0x1d35bc0] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 4.3% 0.1% 0.2% 0.0% 0.0% skip:95.5%
[libx264 @ 0x1d35bc0] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.8% 0.0% 0.0% direct: 0.0% skip:99.2% L0: 5.4% L1:94.5% BI: 0.0
%
[libx264 @ 0x1d35bc0] 8x8 transform intra:24.9% inter:51.5%
[libx264 @ 0x1d35bc0] coded y,uvDC,uvAC intra: 99.4% 0.0% 0.0% inter: 0.6% 0.0% 0.0%
[libx264 @ 0x1d35bc0] i16 v,h,dc,p: 5% 19% 52% 25%
[libx264 @ 0x1d35bc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 28% 21% 4% 6% 4% 8% 5% 15%
[libx264 @ 0x1d35bc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 27% 13% 6% 8% 5% 9% 6% 12%
[libx264 @ 0x1d35bc0] i8c dc,h,v,p: 100% 0% 0% 0%
[libx264 @ 0x1d35bc0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x1d35bc0] ref P L0: 98.1% 0.0% 1.7% 0.2%
[libx264 @ 0x1d35bc0] ref B L0: 52.0% 48.0%
[libx264 @ 0x1d35bc0] ref B L1: 73.0% 27.0%
[libx264 @ 0x1d35bc0] kb/s:9.78The video is 364KB without any video.
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