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The Slip - Artworks
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (111)
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Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...) -
Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs
12 avril 2011, parLa manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras. -
Que fait exactement ce script ?
18 janvier 2011, parCe script est écrit en bash. Il est donc facilement utilisable sur n’importe quel serveur.
Il n’est compatible qu’avec une liste de distributions précises (voir Liste des distributions compatibles).
Installation de dépendances de MediaSPIP
Son rôle principal est d’installer l’ensemble des dépendances logicielles nécessaires coté serveur à savoir :
Les outils de base pour pouvoir installer le reste des dépendances Les outils de développements : build-essential (via APT depuis les dépôts officiels) ; (...)
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29 mai 2023, par Erin — GDPR -
FFmpeg command to capture video/Audio from Android mobile
17 juillet 2023, par UdayI'm trying to capture Vido/Audio from my Android mobile using FFmpeg.
Tried the below commands and the recorded clip has nothing in it, it's just a dark black screen with no audio/video.


Actually, I wanted to recode the audio from Android Mobile.
Any Idea what's wrong with this command ?


Given all Android permission for the microphone & camera.


Lib used : ffmpeg_kit_flutter


Command :


FFmpegKit.execute('-y -f android_camera -i 0:0 -r 30 -c:v mpeg4 -f mp4 "/storage/emulated/0/Download/androidvideo.mp4"');

FFmpegKit.execute('-y -f android_camera -i 0:0 -r 30 -pixel_format bgr0 "/storage/emulated/0/Download/androidvideo.mp4"');



This command records video but no audio in it


FFmpegKit.execute('-video_size hd720 -f android_camera -camera_index 1 -i anything -r 10 -t 00:00:15 "$dir/androidvideo.mp4”');



Response


I/flutter (22881): Loading ffmpeg-kit-flutter.
D/ffmpeg-kit-flutter(22881): FFmpegKitFlutterPlugin com.arthenica.ffmpegkit.flutter.FFmpegKitFlutterPlugin@7f3db78 started listening to events on io.flutter.plugin.common.EventChannel$IncomingStreamRequestHandler$EventSinkImplementation@518a6b1.
I/flutter (22881): Loaded ffmpeg-kit-flutter-android-https-arm64-v8a-5.1.0.
D/VendorTagDescriptor(22881): addVendorDescriptor: vendor tag id 3854507339 added
W/MapperHal(22881): buffer descriptor with invalid usage bits 0x202000
D/ViewRootImpl@53a7452[FlutterFragmentActivity](22881): ViewPostIme pointer 1
W/ACameraCaptureSession(22881): Device is closed but session 0 is not notified
I/flutter (22881): logs:ffmpeg version n5.1.2
I/flutter (22881): logs: Copyright (c) 2000-2022 the FFmpeg developers
I/flutter (22881): logs:
I/flutter (22881): logs: built with Android (7155654, based on r399163b1) clang version 11.0.5 (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d)
I/flutter (22881): logs: configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --target-os=android --enable-neon --enable-asm --enable-inline-asm --ar=aarch64-linux-android-ar --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --ranlib=aarch64-linux-android-ranlib --strip=aarch64-linux-android-strip --nm=aarch64-linux-android-nm --extra-libs='-L/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --disable-autodetect --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --disable-static --enable-shared --enable-pthreads --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --
I/flutter (22881): logs: libavutil 57. 28.100 / 57. 28.100
I/flutter (22881): logs: libavcodec 59. 37.100 / 59. 37.100
I/flutter (22881): logs: libavformat 59. 27.100 / 59. 27.100
I/flutter (22881): logs: libavdevice 59. 7.100 / 59. 7.100
I/flutter (22881): logs: libavfilter 8. 44.100 / 8. 44.100
I/flutter (22881): logs: libswscale 6. 7.100 / 6. 7.100
I/flutter (22881): logs: libswresample 4. 7.100 / 4. 7.100
I/flutter (22881): logs:[android_camera @ 0x7450bb2f80] Requested video_size 0x0 not available, falling back to 4032x3024
I/flutter (22881): logs:Input #0, android_camera, from '0:0':
I/flutter (22881): logs: Duration: 
I/flutter (22881): logs:N/A
I/flutter (22881): logs:, start: 
I/flutter (22881): logs:299109.760553
I/flutter (22881): logs:, bitrate: 
I/flutter (22881): logs:N/A
I/flutter (22881): logs:
I/flutter (22881): logs: Stream #0:0
I/flutter (22881): logs:: Video: rawvideo (NV21 / 0x3132564E), nv21, 4032x3024
I/flutter (22881): logs:, 
I/flutter (22881): logs:30 fps, 
I/flutter (22881): logs:30 tbr, 
I/flutter (22881): logs:1000000000.00 tbn
I/flutter (22881): logs:
I/flutter (22881): logs: Side data:
I/flutter (22881): logs: 
I/flutter (22881): logs:displaymatrix: rotation of -90.00 degrees
I/flutter (22881): logs:
I/flutter (22881): logs:Stream mapping:
I/flutter (22881): logs: Stream #0:0 -> #0:0
I/flutter (22881): logs: (rawvideo (native) -> mpeg4 (native))
I/flutter (22881): logs:
I/flutter (22881): logs:Press [q] to stop, [?] for help
I/flutter (22881): logs:Output #0, mp4, to '/storage/emulated/0/Download/androidvideo.mp4':
I/flutter (22881): logs: Metadata:
I/flutter (22881): logs: encoder : 
I/flutter (22881): logs:Lavf59.27.100
I/flutter (22881): logs:
I/flutter (22881): logs: Stream #0:0
I/flutter (22881): logs:: Video: mpeg4 (mp4v / 0x7634706D), yuv420p(tv, progressive), 3024x4032, q=2-31, 200 kb/s
I/flutter (22881): logs:, 
I/flutter (22881): logs:30 fps, 
I/flutter (22881): logs:15360 tbn
I/flutter (22881): logs:
I/flutter (22881): logs: Metadata:
I/flutter (22881): logs: encoder : 
I/flutter (22881): logs:Lavc59.37.100 mpeg4
I/flutter (22881): logs:
I/flutter (22881): logs: Side data:
I/flutter (22881): logs: 
I/flutter (22881): logs:cpb: 
I/flutter (22881): logs:bitrate max/min/avg: 0/0/200000 buffer size: 0 
I/flutter (22881): logs:vbv_delay: N/A
I/flutter (22881): logs:
I/flutter (22881): logs: 
I/flutter (22881): logs:displaymatrix: rotation of -0.00 degrees
I/flutter (22881): logs:
I/flutter (22881): logs:frame= 1 fps=0.0 q=3.4 size= 0kB time=00:00:00.00 bitrate=5415.4kbits/s speed=32.5x 
I/flutter (22881): logs:frame= 2 fps=0.0 q=2.0 size= 0kB time=00:00:00.03 bitrate= 10.5kbits/s speed=0.0475x 
I/flutter (22881): logs:frame= 9 fps=6.8 q=10.9 size= 256kB time=00:00:00.26 bitrate=7863.7kbits/s dup=5 drop=0 speed=0.202x 
I/flutter (22881): logs:frame= 13 fps=6.6 q=22.7 size= 512kB time=00:00:00.40 bitrate=10484.9kbits/s dup=7 drop=0 speed=0.203x 
I/flutter (22881): logs:frame= 28 fps=8.4 q=31.0 size= 512kB time=00:00:00.90 bitrate=4660.4kbits/s dup=20 drop=0 speed=0.269x 
I/flutter (22881): logs:frame= 55 fps= 11 q=31.0 size= 1024kB time=00:00:01.80 bitrate=4660.4kbits/s dup=45 drop=0 speed=0.368x 
I/flutter (22881): logs:frame= 60 fps=9.8 q=31.0 size= 1280kB time=00:00:01.96 bitrate=5331.7kbits/s dup=49 drop=0 speed=0.321x 
I/flutter (22881): logs:frame= 73 fps=9.4 q=31.0 Lsize= 1500kB time=00:00:02.40 bitrate=5121.4kbits/s dup=61 drop=0 speed=0.309x 
I/flutter (22881): logs:video:1499kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.079011%
I/flutter (22881): logs:frame= 73 fps=9.4 q=31.0 Lsize=N/A time=00:00:02.40 bitrate=N/A dup=61 drop=0 speed=0.309x 
I/flutter (22881): logs:video:1499kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
I/flutter (22881): logs:[android_camera @ 0x7450bb2f80] Android camera capture session was closed.
I/flutter (22881): logs:Exiting normally, received signal 2.
I/flutter (22881): output:ffmpeg version n5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
I/flutter (22881): built with Android (7155654, based on r399163b1) clang version 11.0.5 (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d)
I/flutter (22881): configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --target-os=android --enable-neon --enable-asm --enable-inline-asm --ar=aarch64-linux-android-ar --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --ranlib=aarch64-linux-android-ranlib --strip=aarch64-linux-android-strip --nm=aarch64-linux-android-nm --extra-libs='-L/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --disable-autodetect --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-s
I/flutter (22881): failStackTrace:null
I/flutter (22881): result code:255



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FFmpeg command to capture Audio from Android mobile
24 novembre 2023, par UdayI'm trying to capture Audio from my Android mobile using FFmpeg.
Tried the below commands and the recorded clip has no Audio in it, it's just a dark black screen with no audio/video.


Basically, I want to stream the live microphone audio to the RTSP server


Given all Android permission for the microphone & camera.


Lib used : ffmpeg_kit_flutter


Here are the commands which I tried :


FFmpegKit.execute('-y -f android_camera -i 0:1 -r 30 -c:a aac -f rtsp -rtsp_transport tcp "$Url"');



Command :


FFmpegKit.execute('-y -f android_camera -i 0:1 -r 30 -c:a libmp3lame -qscale:a 2 "/storage/emulated/0/Download/androidvideo.mp3"');

FFmpegKit.execute('-y -f android_camera -i 0:0 -r 30 -c:a wavpack -b:a 64k "/storage/emulated/0/Download/androidvideo.wav"');



This command records video but no audio in it


FFmpegKit.execute('-video_size hd720 -f android_camera -camera_index 1 -i anything -r 10 -t 00:00:15 "$dir/androidvideo.mp4”');



Response


I/flutter (22881): Loading ffmpeg-kit-flutter.
D/ffmpeg-kit-flutter(22881): FFmpegKitFlutterPlugin com.arthenica.ffmpegkit.flutter.FFmpegKitFlutterPlugin@7f3db78 started listening to events on io.flutter.plugin.common.EventChannel$IncomingStreamRequestHandler$EventSinkImplementation@518a6b1.
I/flutter (22881): Loaded ffmpeg-kit-flutter-android-https-arm64-v8a-5.1.0.
D/VendorTagDescriptor(22881): addVendorDescriptor: vendor tag id 3854507339 added
W/MapperHal(22881): buffer descriptor with invalid usage bits 0x202000
D/ViewRootImpl@53a7452[FlutterFragmentActivity](22881): ViewPostIme pointer 1
W/ACameraCaptureSession(22881): Device is closed but session 0 is not notified
I/flutter (22881): logs:ffmpeg version n5.1.2
I/flutter (22881): logs: Copyright (c) 2000-2022 the FFmpeg developers
I/flutter (22881): logs:
I/flutter (22881): logs: built with Android (7155654, based on r399163b1) clang version 11.0.5 (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d)
I/flutter (22881): logs: configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --target-os=android --enable-neon --enable-asm --enable-inline-asm --ar=aarch64-linux-android-ar --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --ranlib=aarch64-linux-android-ranlib --strip=aarch64-linux-android-strip --nm=aarch64-linux-android-nm --extra-libs='-L/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --disable-autodetect --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --disable-static --enable-shared --enable-pthreads --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --
I/flutter (22881): logs: libavutil 57. 28.100 / 57. 28.100
I/flutter (22881): logs: libavcodec 59. 37.100 / 59. 37.100
I/flutter (22881): logs: libavformat 59. 27.100 / 59. 27.100
I/flutter (22881): logs: libavdevice 59. 7.100 / 59. 7.100
I/flutter (22881): logs: libavfilter 8. 44.100 / 8. 44.100
I/flutter (22881): logs: libswscale 6. 7.100 / 6. 7.100
I/flutter (22881): logs: libswresample 4. 7.100 / 4. 7.100
I/flutter (22881): logs:[android_camera @ 0x7450bb2f80] Requested video_size 0x0 not available, falling back to 4032x3024
I/flutter (22881): logs:Input #0, android_camera, from '0:0':
I/flutter (22881): logs: Duration: 
I/flutter (22881): logs:N/A
I/flutter (22881): logs:, start: 
I/flutter (22881): logs:299109.760553
I/flutter (22881): logs:, bitrate: 
I/flutter (22881): logs:N/A
I/flutter (22881): logs:
I/flutter (22881): logs: Stream #0:0
I/flutter (22881): logs:: Video: rawvideo (NV21 / 0x3132564E), nv21, 4032x3024
I/flutter (22881): logs:, 
I/flutter (22881): logs:30 fps, 
I/flutter (22881): logs:30 tbr, 
I/flutter (22881): logs:1000000000.00 tbn
I/flutter (22881): logs:
I/flutter (22881): logs: Side data:
I/flutter (22881): logs: 
I/flutter (22881): logs:displaymatrix: rotation of -90.00 degrees
I/flutter (22881): logs:
I/flutter (22881): logs:Stream mapping:
I/flutter (22881): logs: Stream #0:0 -> #0:0
I/flutter (22881): logs: (rawvideo (native) -> mpeg4 (native))
I/flutter (22881): logs:
I/flutter (22881): logs:Press [q] to stop, [?] for help
I/flutter (22881): logs:Output #0, mp4, to '/storage/emulated/0/Download/androidvideo.mp4':
I/flutter (22881): logs: Metadata:
I/flutter (22881): logs: encoder : 
I/flutter (22881): logs:Lavf59.27.100
I/flutter (22881): logs:
I/flutter (22881): logs: Stream #0:0
I/flutter (22881): logs:: Video: mpeg4 (mp4v / 0x7634706D), yuv420p(tv, progressive), 3024x4032, q=2-31, 200 kb/s
I/flutter (22881): logs:, 
I/flutter (22881): logs:30 fps, 
I/flutter (22881): logs:15360 tbn
I/flutter (22881): logs:
I/flutter (22881): logs: Metadata:
I/flutter (22881): logs: encoder : 
I/flutter (22881): logs:Lavc59.37.100 mpeg4
I/flutter (22881): logs:
I/flutter (22881): logs: Side data:
I/flutter (22881): logs: 
I/flutter (22881): logs:cpb: 
I/flutter (22881): logs:bitrate max/min/avg: 0/0/200000 buffer size: 0 
I/flutter (22881): logs:vbv_delay: N/A
I/flutter (22881): logs:
I/flutter (22881): logs: 
I/flutter (22881): logs:displaymatrix: rotation of -0.00 degrees
I/flutter (22881): logs:
I/flutter (22881): logs:frame= 1 fps=0.0 q=3.4 size= 0kB time=00:00:00.00 bitrate=5415.4kbits/s speed=32.5x 
I/flutter (22881): logs:frame= 2 fps=0.0 q=2.0 size= 0kB time=00:00:00.03 bitrate= 10.5kbits/s speed=0.0475x 
I/flutter (22881): logs:frame= 9 fps=6.8 q=10.9 size= 256kB time=00:00:00.26 bitrate=7863.7kbits/s dup=5 drop=0 speed=0.202x 
I/flutter (22881): logs:frame= 13 fps=6.6 q=22.7 size= 512kB time=00:00:00.40 bitrate=10484.9kbits/s dup=7 drop=0 speed=0.203x 
I/flutter (22881): logs:frame= 28 fps=8.4 q=31.0 size= 512kB time=00:00:00.90 bitrate=4660.4kbits/s dup=20 drop=0 speed=0.269x 
I/flutter (22881): logs:frame= 55 fps= 11 q=31.0 size= 1024kB time=00:00:01.80 bitrate=4660.4kbits/s dup=45 drop=0 speed=0.368x 
I/flutter (22881): logs:frame= 60 fps=9.8 q=31.0 size= 1280kB time=00:00:01.96 bitrate=5331.7kbits/s dup=49 drop=0 speed=0.321x 
I/flutter (22881): logs:frame= 73 fps=9.4 q=31.0 Lsize= 1500kB time=00:00:02.40 bitrate=5121.4kbits/s dup=61 drop=0 speed=0.309x 
I/flutter (22881): logs:video:1499kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.079011%
I/flutter (22881): logs:frame= 73 fps=9.4 q=31.0 Lsize=N/A time=00:00:02.40 bitrate=N/A dup=61 drop=0 speed=0.309x 
I/flutter (22881): logs:video:1499kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
I/flutter (22881): logs:[android_camera @ 0x7450bb2f80] Android camera capture session was closed.
I/flutter (22881): logs:Exiting normally, received signal 2.
I/flutter (22881): output:ffmpeg version n5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
I/flutter (22881): built with Android (7155654, based on r399163b1) clang version 11.0.5 (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d)
I/flutter (22881): configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --target-os=android --enable-neon --enable-asm --enable-inline-asm --ar=aarch64-linux-android-ar --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --ranlib=aarch64-linux-android-ranlib --strip=aarch64-linux-android-strip --nm=aarch64-linux-android-nm --extra-libs='-L/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --disable-autodetect --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-s
I/flutter (22881): failStackTrace:null
I/flutter (22881): result code:255