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Médias (1)
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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (33)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Other interesting software
13 avril 2011, parWe don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
We don’t know them, we didn’t try them, but you can take a peek.
Videopress
Website : http://videopress.com/
License : GNU/GPL v2
Source code : (...) -
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 (7988)
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avformat/movenc : ensure we don't write the major brand as a compatible brand more...
1er décembre 2019, par James Almeravformat/movenc : ensure we don't write the major brand as a compatible brand more than once
Signed-off-by : James Almer <jamrial@gmail.com>
- [DH] libavformat/movenc.c
- [DH] tests/ref/acodec/alac
- [DH] tests/ref/acodec/pcm-s16be
- [DH] tests/ref/acodec/pcm-s24be
- [DH] tests/ref/acodec/pcm-s32be
- [DH] tests/ref/acodec/pcm-s8
- [DH] tests/ref/fate/adtstoasc_ticket3715
- [DH] tests/ref/fate/binsub-movtextenc
- [DH] tests/ref/fate/copy-trac236
- [DH] tests/ref/fate/copy-trac3074
- [DH] tests/ref/fate/hapqa-extract-nosnappy-to-hapalphaonly-mov
- [DH] tests/ref/fate/hapqa-extract-nosnappy-to-hapq-mov
- [DH] tests/ref/fate/movenc
- [DH] tests/ref/fate/prores-metadata
- [DH] tests/ref/lavf-fate/av1.mp4
- [DH] tests/ref/lavf-fate/h264.mp4
- [DH] tests/ref/lavf-fate/qtrle_mace6.mov
- [DH] tests/ref/lavf/mov
- [DH] tests/ref/lavf/mov_rtphint
- [DH] tests/ref/lavf/mp4
- [DH] tests/ref/seek/acodec-alac
- [DH] tests/ref/seek/acodec-pcm-s16be
- [DH] tests/ref/seek/acodec-pcm-s24be
- [DH] tests/ref/seek/acodec-pcm-s32be
- [DH] tests/ref/seek/acodec-pcm-s8
- [DH] tests/ref/seek/lavf-mov
- [DH] tests/ref/seek/vsynth_lena-dnxhd-1080i
- [DH] tests/ref/seek/vsynth_lena-mpeg4
- [DH] tests/ref/seek/vsynth_lena-svq1
- [DH] tests/ref/vsynth/vsynth1-avui
- [DH] tests/ref/vsynth/vsynth1-dnxhd-1080i
- [DH] tests/ref/vsynth/vsynth1-dnxhd-1080i-10bit
- [DH] tests/ref/vsynth/vsynth1-dnxhd-1080i-colr
- [DH] tests/ref/vsynth/vsynth1-dnxhd-hr-hq-mov
- [DH] tests/ref/vsynth/vsynth1-dnxhd-hr-lb-mov
- [DH] tests/ref/vsynth/vsynth1-dnxhd-hr-sq-mov
- [DH] tests/ref/vsynth/vsynth1-mov-bgr24
- [DH] tests/ref/vsynth/vsynth1-mov-bpp15
- [DH] tests/ref/vsynth/vsynth1-mov-bpp16
- [DH] tests/ref/vsynth/vsynth1-mpeg4
- [DH] tests/ref/vsynth/vsynth1-prores
- [DH] tests/ref/vsynth/vsynth1-prores_444
- [DH] tests/ref/vsynth/vsynth1-prores_444_int
- [DH] tests/ref/vsynth/vsynth1-prores_int
- [DH] tests/ref/vsynth/vsynth1-prores_ks
- [DH] tests/ref/vsynth/vsynth1-qtrle
- [DH] tests/ref/vsynth/vsynth1-qtrlegray
- [DH] tests/ref/vsynth/vsynth1-svq1
- [DH] tests/ref/vsynth/vsynth1-vc2-420p
- [DH] tests/ref/vsynth/vsynth1-vc2-420p10
- [DH] tests/ref/vsynth/vsynth1-vc2-420p12
- [DH] tests/ref/vsynth/vsynth1-vc2-422p
- [DH] tests/ref/vsynth/vsynth1-vc2-422p10
- [DH] tests/ref/vsynth/vsynth1-vc2-422p12
- [DH] tests/ref/vsynth/vsynth1-vc2-444p
- [DH] tests/ref/vsynth/vsynth1-vc2-444p10
- [DH] tests/ref/vsynth/vsynth1-vc2-444p12
- [DH] tests/ref/vsynth/vsynth1-vc2-t5_3
- [DH] tests/ref/vsynth/vsynth1-vc2-thaar
- [DH] tests/ref/vsynth/vsynth2-avui
- [DH] tests/ref/vsynth/vsynth2-dnxhd-1080i
- [DH] tests/ref/vsynth/vsynth2-dnxhd-1080i-10bit
- [DH] tests/ref/vsynth/vsynth2-dnxhd-1080i-colr
- [DH] tests/ref/vsynth/vsynth2-dnxhd-hr-hq-mov
- [DH] tests/ref/vsynth/vsynth2-dnxhd-hr-lb-mov
- [DH] tests/ref/vsynth/vsynth2-dnxhd-hr-sq-mov
- [DH] tests/ref/vsynth/vsynth2-mov-bgr24
- [DH] tests/ref/vsynth/vsynth2-mov-bpp15
- [DH] tests/ref/vsynth/vsynth2-mov-bpp16
- [DH] tests/ref/vsynth/vsynth2-mpeg4
- [DH] tests/ref/vsynth/vsynth2-prores
- [DH] tests/ref/vsynth/vsynth2-prores_444
- [DH] tests/ref/vsynth/vsynth2-prores_444_int
- [DH] tests/ref/vsynth/vsynth2-prores_int
- [DH] tests/ref/vsynth/vsynth2-prores_ks
- [DH] tests/ref/vsynth/vsynth2-qtrle
- [DH] tests/ref/vsynth/vsynth2-qtrlegray
- [DH] tests/ref/vsynth/vsynth2-svq1
- [DH] tests/ref/vsynth/vsynth2-vc2-420p
- [DH] tests/ref/vsynth/vsynth2-vc2-420p10
- [DH] tests/ref/vsynth/vsynth2-vc2-420p12
- [DH] tests/ref/vsynth/vsynth2-vc2-422p
- [DH] tests/ref/vsynth/vsynth2-vc2-422p10
- [DH] tests/ref/vsynth/vsynth2-vc2-422p12
- [DH] tests/ref/vsynth/vsynth2-vc2-444p
- [DH] tests/ref/vsynth/vsynth2-vc2-444p10
- [DH] tests/ref/vsynth/vsynth2-vc2-444p12
- [DH] tests/ref/vsynth/vsynth2-vc2-t5_3
- [DH] tests/ref/vsynth/vsynth2-vc2-thaar
- [DH] tests/ref/vsynth/vsynth3-dnxhd-1080i-10bit
- [DH] tests/ref/vsynth/vsynth3-dnxhd-1080i-colr
- [DH] tests/ref/vsynth/vsynth3-dnxhd-hr-hq-mov
- [DH] tests/ref/vsynth/vsynth3-dnxhd-hr-lb-mov
- [DH] tests/ref/vsynth/vsynth3-dnxhd-hr-sq-mov
- [DH] tests/ref/vsynth/vsynth3-mov-bgr24
- [DH] tests/ref/vsynth/vsynth3-mov-bpp15
- [DH] tests/ref/vsynth/vsynth3-mov-bpp16
- [DH] tests/ref/vsynth/vsynth3-mpeg4
- [DH] tests/ref/vsynth/vsynth3-prores
- [DH] tests/ref/vsynth/vsynth3-prores_444
- [DH] tests/ref/vsynth/vsynth3-prores_444_int
- [DH] tests/ref/vsynth/vsynth3-prores_int
- [DH] tests/ref/vsynth/vsynth3-prores_ks
- [DH] tests/ref/vsynth/vsynth3-qtrle
- [DH] tests/ref/vsynth/vsynth3-svq1
- [DH] tests/ref/vsynth/vsynth_lena-avui
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-1080i
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-1080i-10bit
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-1080i-colr
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-hr-hq-mov
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-hr-lb-mov
- [DH] tests/ref/vsynth/vsynth_lena-dnxhd-hr-sq-mov
- [DH] tests/ref/vsynth/vsynth_lena-mov-bgr24
- [DH] tests/ref/vsynth/vsynth_lena-mov-bpp15
- [DH] tests/ref/vsynth/vsynth_lena-mov-bpp16
- [DH] tests/ref/vsynth/vsynth_lena-mpeg4
- [DH] tests/ref/vsynth/vsynth_lena-prores
- [DH] tests/ref/vsynth/vsynth_lena-prores_444
- [DH] tests/ref/vsynth/vsynth_lena-prores_444_int
- [DH] tests/ref/vsynth/vsynth_lena-prores_int
- [DH] tests/ref/vsynth/vsynth_lena-prores_ks
- [DH] tests/ref/vsynth/vsynth_lena-qtrle
- [
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Revision b04d766800 : Use small transform size in non-rd real-time mode In non-rd real-time mode, cho
30 mai 2014, par Yunqing WangChanged Paths :
Modify /vp9/encoder/vp9_encodeframe.c
Modify /vp9/encoder/vp9_speed_features.c
Modify /vp9/encoder/vp9_speed_features.h
Use small transform size in non-rd real-time modeIn non-rd real-time mode, choosing smaller transform size in
encoding gives better video quality and good speed gain than
choosing larger transform size. This patch set tx size search
method to ALLOW_8X8, which is better than using 4x4 or other
larger sizes.Borg tests on rtc set at speed 6 showed significant gain on quality.
PSNR gain : 11.034% and SSIM gain : 15.466%.The speed gain is 5% - 12% for <720p clips, and 2% - 7% for
720p clips.Change-Id : If4dc74ed2df359346b059f47fb73b4a0193ec548
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Accord.Video.FFMpeg : Problem of duration difference between recording time and video time
5 mars 2020, par ckrbyI want to save the footage I get from the webcam as a video in webM (Vp8) format. I use the Accord library. But when recording, there is almost 2-3 times the difference between the time spent and the video time. The code I use and some debug outputs are below.
Accord.Video.FFMpeg 3.8.2-Alpha (double pts/dts bug fixed version)
Video Save Format : VP8 (.WebM)Record Start Settings :
videoCodec = VideoCodec.Vp8;
bitrate : 1250000
framerate :10
height :720
width: 1280
videoSource.VideoResolution: 1280x720, 30 fps (30 max fps), 24 bpp
FileWriter.BitRate = bitRate;
FileWriter.FrameRate = new Accord.Math.Rational((int)framerate );
FileWriter.Width = width;
FileWriter.Height = height;
FileWriter.VideoCodec = videoCodec;
FileWriter.Open(FileName);
_recording = true;
StartTimeStamp = DateTime.Now;newFrame Event
private void VideoSourcePlayer1_NewFrame(object sender, ref Bitmap image)
{
if (_recording)
{
try
{
Bitmap CurrentBitmap = image;
DateTime CurrentTimeStamp = DateTime.Now;
TimeSpan CurrentTimeSpan = StartTimeStamp - CurrentTimeStamp;
Console.WriteLine("Video Write Timespan: " + CurrentTimeSpan.ToString());
FileWriter.WriteVideoFrame(CurrentBitmap, CurrentTimeSpan);
// FileWriter.WriteVideoFrame(image);
}
catch (Exception ex)
{
Console.WriteLine("VideoSourcePlayer1_NewFrame catch: " + ex.Message);
}
}
}Note : It is the same issue with timespan or without timespan writing.
In the 122 second (02.02 min) period, 50 seconds of video recording is created. I couldn’t solve it.
Little Part of the debug output :
Video Write Timespan : -00:01:55.4107365
pts:4,730000e+004 pts_time:47,3 dts:4,730000e+004 dts_time:47,3 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:55.6136263
pts:4,740000e+004 pts_time:47,4 dts:4,740000e+004 dts_time:47,4 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:55.8354960
pts:4,750000e+004 pts_time:47,5 dts:4,750000e+004 dts_time:47,5 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:56.5161088
pts:4,760000e+004 pts_time:47,6 dts:4,760000e+004 dts_time:47,6 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:56.7309841
pts:4,770000e+004 pts_time:47,7 dts:4,770000e+004 dts_time:47,7 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:56.9758413
pts:4,780000e+004 pts_time:47,8 dts:4,780000e+004 dts_time:47,8 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:57.1947200
pts:4,790000e+004 pts_time:47,9 dts:4,790000e+004 dts_time:47,9 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:57.4375834
pts:4,800000e+004 pts_time:48 dts:4,800000e+004 dts_time:48 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:01:57.5804983The last two outputs :
Video Write Timespan : -00:02:02.7505463
pts:5,000000e+004 pts_time : 50 dts:5,000000e+004 dts_time : 50 duration:1,000000e+002 duration_time:0,1
Video Write Timespan : -00:02:02.9884038
pts:5,010000e+004 pts_time : 50,1 dts:5,010000e+004 dts_time : 50,1 duration:1,000000e+002 duration_time:0,1Why is there a difference between timespan and dts/pts time ? Could the problem be due to this ?
Note : When I set the framerate to 30 ; Another process 95 seconds (1.35 min) recording time is 16 seconds in the video.
As the frame rate increases, the length of the video gets shorter and
shorter than the actual value it should be.Output :
Video Write Timespan : -00:01:35.1086178
pts:1,606700e+004 pts_time : 16,067 dts:1,606700e+004 dts_time : 16,067 duration:3,300000e+001 duration_time:0,033
Video Write Timespan : -00:01:35.2565302
pts:1,610000e+004 pts_time : 16,1 dts:1,610000e+004 dts_time : 16,1 duration:3,300000e+001 duration_time:0,033
Video Write Timespan : -00:01:35.3984494
pts:1,613300e+004 pts_time : 16,133 dts:1,613300e+004 dts_time : 16,133 duration:3,300000e+001 duration_time:0,033So the video duration is like dts_time. Why is the video duration not
value of timespan time, I still can’t find it ??Soory for my bad english & expression,