
Recherche avancée
Autres articles (12)
-
Emballe médias : à quoi cela sert ?
4 février 2011, parCe plugin vise à gérer des sites de mise en ligne de documents de tous types.
Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ; -
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. -
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.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (3549)
-
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



-
ffmpeg x11grab Fedora 22 cannot open display [on hold]
4 août 2015, par voorRunning a fairly recent version of Fedora 22 :
Linux localhost 4.1.3-200.fc22.x86_64 #1 SMP Wed Jul 22 19:51:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Dual screen Acer XB270HU and AOC 2369. Also uses NVIDIA Drivers :
➜ ~ rpm -qa | grep nvidia
nvidia-driver-libs-352.30-1.fc22.x86_64
nvidia-driver-352.30-1.fc22.x86_64
nvidia-settings-352.30-1.fc22.x86_64
nvidia-libXNVCtrl-352.30-1.fc22.x86_64
dkms-nvidia-352.30-1.fc22.x86_64
nvidia-driver-libs-352.30-1.fc22.i686Whenever I attempt to do a x11grab in ffmpeg I get an error :
➜ ~ ffmpeg -f x11grab -r 15 -s 1920x1080 -i :0 -vcodec h264 -crf 30 -y output.mp4
ffmpeg version 2.6.3 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 5.1.1 (GCC) 20150422 (Red Hat 5.1.1-1)
configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-frei0r --enable-gnutls --enable-ladspa --enable-libass --enable-libcdio --enable-libdc1394 --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
libavutil 54. 20.100 / 54. 20.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 25.101 / 56. 25.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.102 / 5. 11.102
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Invalid MIT-MAGIC-COOKIE-1 key[x11grab @ 0x1fe1d40] Cannot open display :0, error 1.
:0: Input/output errorI’ve tried a few different commands basically copy/pasta from the web on how to do screengrabs. I don’t need audio, just video, and all of them result in the same error.
I am able to do
xwininfo
without any problems :➜ ~ xwininfo
xwininfo: Please select the window about which you
would like information by clicking the
mouse in that window.
xwininfo: Window id: 0x1e0006c "linux - ffmpeg x11grab Fedora 22 cannot open display - Stack Overflow - Google Chrome"
Absolute upper-left X: 0
Absolute upper-left Y: 27
Relative upper-left X: 0
Relative upper-left Y: 27
Width: 2560
Height: 1413
Depth: 24
Visual: 0x21
Visual Class: TrueColor
Border width: 0
Class: InputOutput
Colormap: 0x20 (installed)
Bit Gravity State: ForgetGravity
Window Gravity State: NorthWestGravity
Backing Store State: NotUseful
Save Under State: no
Map State: IsViewable
Override Redirect State: no
Corners: +0+27 -1920+27 -1920-0 0
-geometry 2560x14130 -
How to use Intel QSV record screen based on ffmpeg
18 octobre 2020, par zondaI want to record my screen with ffmpeg.

I succeeded in the normal way.

ffmpeg -f gdigrab -framerate 30 -draw_mouse 1 -i desktop -c:v h264 -r 30 -preset ultrafast -tune zerolatency -pix_fmt yuv420p "record.mp4"



But I want use GPU record my screen now.

I'm trying to use Intel QSV on ffmpeg.

ffmpeg -f gdigrab -framerate 30 -draw_mouse 1 -i desktop -c:v h264_qsv -r 30 -tune zerolatency -pix_fmt yuv420p "record.mp4"



It does not work and show :

[h264_qsv @ 0000000000479080] Error initializing the encoder: invalid video parameters (-15)
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height


I don't know what happened.


And I'm trying simple way.

ffmpeg -i test_input.mp4 -c:v h264_qsv -preset:v faster test_output.mp4

It does not work too.


My computer information :

acer notebook : TravelMate P243-MG

OS : windows 7 64bits

CPU : Intel i5-3210M

Graphics card : Nvidia GT-630M


Thanks in advance !