Merci.

Je suis sous Debian 11 (Oldstable)

J'ai une carte-mère MSI X470 Gaming Plus

       _,met$$$$$gg.
    ,g$$$$$$$$$$$$$$$P.       ----------------
  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 11 (bullseye) x86_64
 ,$$P'              `$$$.     Host: MS-7B79 2.0 ',$$P       ,ggs.     `$$b:   Kernel: 5.10.0-26-amd64
`d$$'     ,$P"'   .    $$$    Uptime: 1 hour, 57 mins
 $$P      d$'     ,    $$P    Packages: 2266 (dpkg)
 $$:      $$.   -    ,d$$'    Shell: bash 5.1.4
 $$;      Y$b._   _,d$P'      Resolution: 2560x1440
 Y$$.    `.`"Y$$$$P"'         DE: GNOME 3.38.6
 `$$b      "-.__              WM: Mutter
  `Y$$                        WM Theme: Adwaita
   `Y$$.                      Theme: Adwaita [GTK2/3]
     `$$b.                    Icons: Adwaita [GTK2/3]
       `Y$$b.                 Terminal: gnome-terminal
          `"Y$b._             CPU: AMD Ryzen 7 3700X (16) @ 3.600GHz
              `"""            GPU: AMD ATI Radeon RX 470/480/570/570X/580/580X/590
                              Memory: 2924MiB / 32083MiB




Mon lspci donne ça :

00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
Root Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU 00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
GPP Bridge
00:01.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
GPP Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
GPP Bridge
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
PCIe Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller
(rev 61)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge
(rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 5
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 6
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse Device
24: Function 7
01:00.0 Non-Volatile memory controller: Phison Electronics Corporation
E12 NVMe Controller (rev 01)
03:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43d0
(rev 01)
03:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset SATA Controller (rev 01)
03:00.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Bridge (rev 01)
20:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
20:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
20:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
20:03.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
20:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
20:08.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series
Chipset PCIe Port (rev 01)
22:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
26:00.0 USB controller: ASMedia Technology Inc. ASM1142 USB 3.1 Host
Controller
27:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev e7)
27:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere
HDMI Audio [Radeon RX 470/480 / 570/580/590]
28:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices,
Inc. [AMD] Starship/Matisse PCIe Dummy Function
29:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices,
Inc. [AMD] Starship/Matisse Reserved SPP
29:00.1 Encryption controller: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Cryptographic Coprocessor PSPCPP
29:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB
3.0 Host Controller

et hwinfo me dit ça pour ma carte graphique :

64: PCI 2700.0: 0300 VGA compatible controller (VGA)
  [Created at pci.386]
  Unique ID: ALE3.JeBNM10xUjB
  Parent ID: w+J7.V4+oF1N0NW1
  SysFS ID: /devices/pci0000:00/0000:00:03.1/0000:27:00.0
  SysFS BusID: 0000:27:00.0
  Hardware Class: graphics card
  Model: "Sapphire Radeon RX 570 Pulse 4GB"
  Vendor: pci 0x1002 "ATI Technologies Inc"
  Device: pci 0x67df "Ellesmere [Radeon RX 470/480/570/570X/580/580X/590]"
  SubVendor: pci 0x1da2 "Sapphire Technology Limited"
  SubDevice: pci 0xe353 "Radeon RX 570 Pulse 4GB"
  Revision: 0xe7
  Driver: "amdgpu"
  Driver Modules: "amdgpu"
  Memory Range: 0xd0000000-0xdfffffff (ro,non-prefetchable)
  Memory Range: 0xe0000000-0xe01fffff (ro,non-prefetchable)
  I/O Ports: 0xe000-0xefff (rw)
  Memory Range: 0xfce00000-0xfce3ffff (rw,non-prefetchable)
  Memory Range: 0x000c0000-0x000dffff (rw,non-prefetchable,disabled)
  IRQ: 72 (662300 events)
  Module Alias: "pci:v00001002d000067DFsv00001DA2sd0000E353bc03sc00i00"
  Driver Info #0:
    Driver Status: amdgpu is active
    Driver Activation Cmd: "modprobe amdgpu"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #27 (PCI bridge)

et xdpyinfo :

name of display:    :0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    12011000
X.Org version: 1.20.11
maximum request size:  16777212 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  None
number of extensions:    24
    BIG-REQUESTS
    Composite
    DAMAGE
    DOUBLE-BUFFER
    DRI3
    GLX
    Generic Event Extension
    MIT-SHM
    Present
    RANDR
    RECORD
    RENDER
    SECURITY
    SHAPE
    SYNC
    X-Resource
    XC-MISC
    XFIXES
    XFree86-VidModeExtension
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
default screen number:    0
number of screens:    1

screen #0:
  dimensions:    4160x1440 pixels (1100x381 millimeters)
  resolution:    96x96 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
  root window id:    0x525
  depth of root window:    24 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x26
  default number of colormap cells:    256
  preallocated pixels:    black 0, white 16777215
  options:    backing-store WHEN MAPPED, save-unders NO
  largest cursor:    4160x1440
  current input event mask:    0xda0000
    StructureNotifyMask      SubstructureNotifyMask SubstructureRedirectMask
    PropertyChangeMask       ColormapChangeMask
  number of visuals:    390
  default visual id:  0x27

Ensuite je veux juste pouvoir obtenir des captures vidéo avec des images nettes à 30 FPS en 720p ou 1080p.

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