Winusb - Как получить изохронные данные от высокой скорости USB 2.0 от Capture Card? [закрыто] ⇐ C++

[Anonymous]

Я получаю ошибку, чтобы получить изохронные данные с USB -устройства, которое является картой захвата. Пожалуйста, не советуйте мне использовать драйверы UVC, если Winusb не сможет выполнить задачу. /Код> Чтобы правильно выполнить запрос для получения данных. < /p>
Failed to start a `WinUsb_ReadIsochPipe` request. ---->: Error Code: [ 57 ], Error Meaning: [ The parameter is incorrect. ]

Вот winusb C ++ API -код:
eMem>https://pastebin.com/cqj5s7sg
Примечание: Stackoverflow делает Не разрешать предоставлять полный код, потому что они имеют только способность размещать короткие коды, которые неудачны.
F:\AI_Componets\WinUSB\main_test>main.exe

Checking Alternate Setting 1 with [1] endpoints:

Isochronous In Pipe Transfer Size: 24576

Isochronous In Pipe Packet Count: 8

Pipe 0 in Alternate Setting 1: PipeId = 130, PipeType = 1, MaximumBytesPerInterval = 3072, Interval = 1

Initiating Read transfer.

Parameters, BEFORE calling `WinUsb_RegisterIsochBuffer`:

Original Buffer Address: 00000259E2B15F70

Buffer Size in Memory (Bytes): 8

WinusbHandle Address: 00000259E2B130A0

IsochReadBufferHandle: Address FFFFFFFFFFFFFFFF

WinUsb_ReadIsochPipeAsap Parameters, AFTER calling `WinUsb_RegisterIsochBuffer`:

IsochReadBufferHandle: Address 00000259E2B1C4B0

TransferSize: 24576

PacketCount: 8

Buffer Address: 00000259E2B15F70

Buffer Size in Memory (Bytes): 8

WinusbHandle Address: 00000259E2B130A0

BufferLength: 24576

Transfer 1: Offset = 0

Read transfer sent by using ASAP flag.

Failed to start a `WinUsb_ReadIsochPipe` request. ---->: Error Code: [ 57 ], Error Meaning: [ The parameter is incorrect. ]

Requested 24576 bytes in 8 packets per transfer.

Transfer 1 completed. Read 33360 bytes.

Failed to unregister isoch read buffer.

< /code>
Вот дескрипторы USB (примечание: USB - 2,0): < /p>
USBView.exe:

------------

[Port2] : USB Composite Device

Is Port User Connectable: yes

Is Port Debug Capable: no

Companion Port Number: 0

Companion Hub Symbolic Link Name:

Protocols Supported:

USB 1.1: yes

USB 2.0: yes

USB 3.0: no

Device Power State: PowerDeviceD0

---===>Device Information Device Bus Speed: High (is not SuperSpeed or higher capable)

Device Address: 0x01

Open Pipes: 0

*!*ERROR: No open pipes!

===>Device Descriptor This is a Multi-interface Function Code Device

bDeviceSubClass: 0x02 -> This is the Common Class Sub Class

bDeviceProtocol: 0x01 -> This is the Interface Association Descriptor protocol

bMaxPacketSize0: 0x40 = (64) Bytes

idVendor: 0xEBA4 = Vendor ID not listed with USB.org

idProduct: 0x7588

bcdDevice: 0x0328

iManufacturer: 0x01

English (United States) "USB3.0 HD Audio Capture"

iProduct: 0x02

English (United States) "USB3.0 HD Video Capture"

iSerialNumber: 0x06

*!*ERROR: No String Descriptor for index 6!

bNumConfigurations: 0x01

---===>Full Configuration DescriptorConfiguration Descriptor Validated

bNumInterfaces: 0x04

bConfigurationValue: 0x01

iConfiguration: 0x00

bmAttributes: 0x80 -> Bus Powered

MaxPower: 0x64 = 200 mA

===>IAD Descriptor Video Interface Class

bFunctionSubClass: 0x03 -> Video Interface Collection

bFunctionProtocol: 0x00 -> PC_PROTOCOL_UNDEFINED protocol

iFunction: 0x05

*!*ERROR: No String Descriptor for index 5!

===>Interface Descriptor Video Interface Class

bInterfaceSubClass: 0x01 -> Video Control Interface SubClass

bInterfaceProtocol: 0x00

iInterface: 0x05

*!*ERROR: No String Descriptor for index 5!

===>Class-Specific Video Control Interface Header Descriptor Validated

dwClockFreq: 0x017D7840 = (25000000) Hz

bInCollection: 0x01

baInterfaceNr[1]: 0x01

USB Video Class device: spec version 1.0

===>Video Control Input Terminal Descriptor

Подробнее здесь: https://stackoverflow.com/questions/793 ... dpoint-fro