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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
Autres articles (52)
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Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...) -
Ajouter notes et légendes aux images
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Sur d’autres sites (7628)
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Convert videos from .264 to .265 (HEVC) with ffmpeg [closed]
11 août 2024, par John TerragnoliI see that there are a few questions on this subject but I am still getting errors. All I want to do is convert videos in my library to HEVC so they take up less space.

I've tried this :


ffmpeg -i input.mp4 -c:v libx265 output.mp4




ffmpeg seems to take a long time and the output seems to be about the right size. The video will play with VLC but the icon is weird and when I try to open it with QuickTime, I get the error : 'The document “output.mov” could not be opened. The file isn’t compatible with QuickTime Player.'



I don't want to change any of the fancy settings. I just want the files to take up less space and with minimal or no quality loss.



Thanks !



EDIT : 
Having trouble keeping the time stamp that I put into the videos.

Originally I was using exiftool in terminal. But, sometimes that doesn’t work with videos, so I would airdrop them to my iPhone, use an app called Metapho to change the dates, and then airdrop them back. Exiftool was create but sometimes I just wouldn’t work. It would change the date to something like 1109212 Aug 2nd. Weird. Bottom line is that when I do these conversions, I really don’t want lose the time stamps in them.


ORIGINAL FILE THAT I TIMESTAMPED, IN .264



ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with Apple clang version 11.0.0 (clang-1100.0.33.8)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test_original.mov':
 Metadata:
 major_brand : qt 
 minor_version : 0
 compatible_brands: qt 
 creation_time : 2019-10-22T18:48:43.000000Z
 encoder : HandBrake 0.10.2 2015060900
 com.apple.quicktime.creationdate: 1994-12-25T18:00:00Z
 Duration: 00:01:21.27, start: 0.000000, bitrate: 800 kb/s
 Chapter #0:0: start 0.000000, end 81.265000
 Metadata:
 title : Chapter 12
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709, progressive), 710x482 [SAR 58409:65535 DAR 1043348:794715], 634 kb/s, SAR 9172:10291 DAR 404229:307900, 29.95 fps, 29.97 tbr, 90k tbn, 180k tbc (default)
 Metadata:
 creation_time : 2019-10-22T18:48:43.000000Z
 handler_name : Core Media Video
 encoder : 'avc1'
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 160 kb/s (default)
 Metadata:
 creation_time : 2019-10-22T18:48:43.000000Z
 handler_name : Core Media Audio
 Stream #0:2(und): Data: bin_data (text / 0x74786574), 0 kb/s
 Metadata:
 creation_time : 2019-10-22T18:48:43.000000Z
 handler_name : Core Media Text
At least one output file must be specified




FILE CONVERTED TO HEVC, WITHOUT -COPYTS TAG



ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with Apple clang version 11.0.0 (clang-1100.0.33.8)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test_original_HEVC.mov':
 Metadata:
 major_brand : qt 
 minor_version : 512
 compatible_brands: qt 
 encoder : Lavf58.29.100
 Duration: 00:01:21.30, start: 0.000000, bitrate: 494 kb/s
 Chapter #0:0: start 0.000000, end 81.265000
 Metadata:
 title : Chapter 12
 Stream #0:0: Video: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, progressive), 710x482 [SAR 9172:10291 DAR 404229:307900], 356 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 29.97 tbc (default)
 Metadata:
 handler_name : Core Media Video
 encoder : Lavc58.54.100 libx265
 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 handler_name : Core Media Audio
 Stream #0:2(eng): Data: bin_data (text / 0x74786574), 0 kb/s
 Metadata:
 handler_name : SubtitleHandler
At least one output file must be specified




FILE CONVERTED TO HEVC, WITH -COPYTS TAG



ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with Apple clang version 11.0.0 (clang-1100.0.33.8)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test_original_HEVC_keepts.mov':
 Metadata:
 major_brand : qt 
 minor_version : 512
 compatible_brands: qt 
 encoder : Lavf58.29.100
 Duration: 00:01:21.30, start: 0.000000, bitrate: 494 kb/s
 Chapter #0:0: start 0.000000, end 81.265000
 Metadata:
 title : Chapter 12
 Stream #0:0: Video: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, progressive), 710x482 [SAR 9172:10291 DAR 404229:307900], 356 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 29.97 tbc (default)
 Metadata:
 handler_name : Core Media Video
 encoder : Lavc58.54.100 libx265
 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 handler_name : Core Media Audio
 Stream #0:2(eng): Data: bin_data (text / 0x74786574), 0 kb/s
 Metadata:
 handler_name : SubtitleHandler
At least one output file must be specified



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RTSP to RTMP in iOS as Transcoding
15 mars 2019, par Naman ShethI am getting live feed from some IP camera as an RTSP url and then i want to convert it to RTMP.
Here is two aspects that we have to implement
- What we convert from RTSP to RTMP is transcoding.
- I have my iPad/iPhone Camera that user can switch and add live feed to RTMP url at this point I want to stop RTSP feed. i.e. Encoding
This all scenario want to do with FFMPEG
I have searched on this url but not able to figure out in iOS
ffmpeg -i "[your rtsp link]" -f flv -r -s -an "[Your rtmp link]"
Thanks in Advance !
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[ffmpeg]How do I play udp streams on my phone
30 décembre 2018, par 徐思龙I used FFMPEG to record the screen push stream [UDP]
This is the command line I typed
Ffmpeg-f gdigrab-framerate 25-offset_x 10-offset_y 20-video_size 640x480-i desktop vcodec libx264-preset :v ultrafast-tune :vzerolatency -f h264 udp ://localhost:8888
ffplay can be played on the localhost :ffplay udp ://192.168.31.18:8888
Use VLC APP on IPHONE, input udp ://192.168.31.18:8888, it can’t play.
What do I need to do ?
thank you