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  1. Descriptors obtained with the command "lsusb-v-d 0471:2034" with only the use of Linux. Linux was started and the webcam was connected. The audio from the webcam does not work now.
  2.  
  3.  
  4. Bus 001 Device 003: ID 0471:2034 Philips
  5. Device Descriptor:
  6. bLength 18
  7. bDescriptorType 1
  8. bcdUSB 2.00
  9. bDeviceClass 239 Miscellaneous Device
  10. bDeviceSubClass 2 ?
  11. bDeviceProtocol 1 Interface Association
  12. bMaxPacketSize0 64
  13. idVendor 0x0471 Philips
  14. idProduct 0x2034
  15. bcdDevice 0.00
  16. iManufacturer 0
  17. iProduct 1 USB Video Camera
  18. iSerial 0
  19. bNumConfigurations 1
  20. Configuration Descriptor:
  21. bLength 9
  22. bDescriptorType 2
  23. wTotalLength 422
  24. bNumInterfaces 4
  25. bConfigurationValue 1
  26. iConfiguration 0
  27. bmAttributes 0x80
  28. (Bus Powered)
  29. MaxPower 98mA
  30. Interface Association:
  31. bLength 8
  32. bDescriptorType 11
  33. bFirstInterface 0
  34. bInterfaceCount 2
  35. bFunctionClass 14 Video
  36. bFunctionSubClass 3 Video Interface Collection
  37. bFunctionProtocol 0
  38. iFunction 1 USB Video Camera
  39. Interface Descriptor:
  40. bLength 9
  41. bDescriptorType 4
  42. bInterfaceNumber 0
  43. bAlternateSetting 0
  44. bNumEndpoints 1
  45. bInterfaceClass 14 Video
  46. bInterfaceSubClass 1 Video Control
  47. bInterfaceProtocol 0
  48. iInterface 1 USB Video Camera
  49. VideoControl Interface Descriptor:
  50. bLength 13
  51. bDescriptorType 36
  52. bDescriptorSubtype 1 (HEADER)
  53. bcdUVC 1.00
  54. wTotalLength 77
  55. dwClockFrequency 48.000000MHz
  56. bInCollection 1
  57. baInterfaceNr( 0) 1
  58. VideoControl Interface Descriptor:
  59. bLength 18
  60. bDescriptorType 36
  61. bDescriptorSubtype 2 (INPUT_TERMINAL)
  62. bTerminalID 1
  63. wTerminalType 0x0201 Camera Sensor
  64. bAssocTerminal 0
  65. iTerminal 0
  66. wObjectiveFocalLengthMin 0
  67. wObjectiveFocalLengthMax 0
  68. wOcularFocalLength 0
  69. bControlSize 3
  70. bmControls 0x00000000
  71. VideoControl Interface Descriptor:
  72. bLength 11
  73. bDescriptorType 36
  74. bDescriptorSubtype 5 (PROCESSING_UNIT)
  75. Warning: Descriptor too short
  76. bUnitID 3
  77. bSourceID 1
  78. wMaxMultiplier 0
  79. bControlSize 2
  80. bmControls 0x0000157b
  81. Brightness
  82. Contrast
  83. Saturation
  84. Sharpness
  85. Gamma
  86. White Balance Temperature
  87. Backlight Compensation
  88. Power Line Frequency
  89. White Balance Temperature, Auto
  90. iProcessing 80
  91. bmVideoStandards 0x1a
  92. NTSC - 525/60
  93. SECAM - 625/50
  94. NTSC - 625/50
  95. VideoControl Interface Descriptor:
  96. bLength 26
  97. bDescriptorType 36
  98. bDescriptorSubtype 6 (EXTENSION_UNIT)
  99. bUnitID 6
  100. guidExtensionCode {d2090058-6fe7-2446-8512-76cdd8dda14e}
  101. bNumControl 2
  102. bNrPins 1
  103. baSourceID( 0) 3
  104. bControlSize 1
  105. bmControls( 0) 0x03
  106. iExtension 0
  107. VideoControl Interface Descriptor:
  108. bLength 9
  109. bDescriptorType 36
  110. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  111. bTerminalID 2
  112. wTerminalType 0x0101 USB Streaming
  113. bAssocTerminal 0
  114. bSourceID 6
  115. iTerminal 0
  116. Endpoint Descriptor:
  117. bLength 7
  118. bDescriptorType 5
  119. bEndpointAddress 0x82 EP 2 IN
  120. bmAttributes 3
  121. Transfer Type Interrupt
  122. Synch Type None
  123. Usage Type Data
  124. wMaxPacketSize 0x0008 1x 8 bytes
  125. bInterval 16
  126. Interface Descriptor:
  127. bLength 9
  128. bDescriptorType 4
  129. bInterfaceNumber 1
  130. bAlternateSetting 0
  131. bNumEndpoints 0
  132. bInterfaceClass 14 Video
  133. bInterfaceSubClass 2 Video Streaming
  134. bInterfaceProtocol 0
  135. iInterface 0
  136. VideoStreaming Interface Descriptor:
  137. bLength 14
  138. bDescriptorType 36
  139. bDescriptorSubtype 1 (INPUT_HEADER)
  140. bNumFormats 1
  141. wTotalLength 157
  142. bEndPointAddress 131
  143. bmInfo 0
  144. bTerminalLink 2
  145. bStillCaptureMethod 1
  146. bTriggerSupport 1
  147. bTriggerUsage 0
  148. bControlSize 1
  149. bmaControls( 0) 27
  150. VideoStreaming Interface Descriptor:
  151. bLength 27
  152. bDescriptorType 36
  153. bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
  154. bFormatIndex 1
  155. bNumFrameDescriptors 2
  156. guidFormat {59555932-0000-1000-8000-00aa00389b71}
  157. bBitsPerPixel 16
  158. bDefaultFrameIndex 1
  159. bAspectRatioX 0
  160. bAspectRatioY 0
  161. bmInterlaceFlags 0x00
  162. Interlaced stream or variable: No
  163. Fields per frame: 1 fields
  164. Field 1 first: No
  165. Field pattern: Field 1 only
  166. bCopyProtect 0
  167. VideoStreaming Interface Descriptor:
  168. bLength 54
  169. bDescriptorType 36
  170. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  171. bFrameIndex 1
  172. bmCapabilities 0x01
  173. Still image supported
  174. wWidth 640
  175. wHeight 480
  176. dwMinBitRate 1179648000
  177. dwMaxBitRate 147456000
  178. dwMaxVideoFrameBufferSize 614400
  179. dwDefaultFrameInterval 333333
  180. bFrameIntervalType 7
  181. dwFrameInterval( 0) 333333
  182. dwFrameInterval( 1) 400000
  183. dwFrameInterval( 2) 499998
  184. dwFrameInterval( 3) 666666
  185. dwFrameInterval( 4) 999996
  186. dwFrameInterval( 5) 1333332
  187. dwFrameInterval( 6) 1999992
  188. VideoStreaming Interface Descriptor:
  189. bLength 62
  190. bDescriptorType 36
  191. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  192. bFrameIndex 2
  193. bmCapabilities 0x01
  194. Still image supported
  195. wWidth 320
  196. wHeight 240
  197. dwMinBitRate 1179648000
  198. dwMaxBitRate 147456000
  199. dwMaxVideoFrameBufferSize 153600
  200. dwDefaultFrameInterval 166666
  201. bFrameIntervalType 9
  202. dwFrameInterval( 0) 166666
  203. dwFrameInterval( 1) 200000
  204. dwFrameInterval( 2) 333333
  205. dwFrameInterval( 3) 400000
  206. dwFrameInterval( 4) 499998
  207. dwFrameInterval( 5) 666666
  208. dwFrameInterval( 6) 999996
  209. dwFrameInterval( 7) 1333332
  210. dwFrameInterval( 8) 1999992
  211. Interface Descriptor:
  212. bLength 9
  213. bDescriptorType 4
  214. bInterfaceNumber 1
  215. bAlternateSetting 1
  216. bNumEndpoints 1
  217. bInterfaceClass 14 Video
  218. bInterfaceSubClass 2 Video Streaming
  219. bInterfaceProtocol 0
  220. iInterface 0
  221. Endpoint Descriptor:
  222. bLength 7
  223. bDescriptorType 5
  224. bEndpointAddress 0x83 EP 3 IN
  225. bmAttributes 5
  226. Transfer Type Isochronous
  227. Synch Type Asynchronous
  228. Usage Type Data
  229. wMaxPacketSize 0x1400 3x 1024 bytes
  230. bInterval 1
  231. Interface Association:
  232. bLength 8
  233. bDescriptorType 11
  234. bFirstInterface 2
  235. bInterfaceCount 2
  236. bFunctionClass 1 Audio
  237. bFunctionSubClass 2 Streaming
  238. bFunctionProtocol 0
  239. iFunction 1 USB Video Camera
  240. Interface Descriptor:
  241. bLength 9
  242. bDescriptorType 4
  243. bInterfaceNumber 2
  244. bAlternateSetting 0
  245. bNumEndpoints 0
  246. bInterfaceClass 1 Audio
  247. bInterfaceSubClass 1 Control Device
  248. bInterfaceProtocol 0
  249. iInterface 1 USB Video Camera
  250. AudioControl Interface Descriptor:
  251. bLength 9
  252. bDescriptorType 36
  253. bDescriptorSubtype 1 (HEADER)
  254. bcdADC 1.00
  255. wTotalLength 38
  256. bInCollection 1
  257. baInterfaceNr( 0) 3
  258. AudioControl Interface Descriptor:
  259. bLength 12
  260. bDescriptorType 36
  261. bDescriptorSubtype 2 (INPUT_TERMINAL)
  262. bTerminalID 3
  263. wTerminalType 0x0201 Microphone
  264. bAssocTerminal 0
  265. bNrChannels 1
  266. wChannelConfig 0x0000
  267. iChannelNames 0
  268. iTerminal 0
  269. AudioControl Interface Descriptor:
  270. bLength 8
  271. bDescriptorType 36
  272. bDescriptorSubtype 6 (FEATURE_UNIT)
  273. bUnitID 5
  274. bSourceID 3
  275. bControlSize 1
  276. bmaControls( 0) 0x43
  277. Mute
  278. Volume
  279. Automatic Gain
  280. iFeature 0
  281. AudioControl Interface Descriptor:
  282. bLength 9
  283. bDescriptorType 36
  284. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  285. bTerminalID 4
  286. wTerminalType 0x0101 USB Streaming
  287. bAssocTerminal 0
  288. bSourceID 5
  289. iTerminal 0
  290. Interface Descriptor:
  291. bLength 9
  292. bDescriptorType 4
  293. bInterfaceNumber 3
  294. bAlternateSetting 0
  295. bNumEndpoints 0
  296. bInterfaceClass 1 Audio
  297. bInterfaceSubClass 2 Streaming
  298. bInterfaceProtocol 0
  299. iInterface 0
  300. Interface Descriptor:
  301. bLength 9
  302. bDescriptorType 4
  303. bInterfaceNumber 3
  304. bAlternateSetting 1
  305. bNumEndpoints 1
  306. bInterfaceClass 1 Audio
  307. bInterfaceSubClass 2 Streaming
  308. bInterfaceProtocol 0
  309. iInterface 0
  310. AudioStreaming Interface Descriptor:
  311. bLength 7
  312. bDescriptorType 36
  313. bDescriptorSubtype 1 (AS_GENERAL)
  314. bTerminalLink 4
  315. bDelay 1 frames
  316. wFormatTag 1 PCM
  317. AudioStreaming Interface Descriptor:
  318. bLength 29
  319. bDescriptorType 36
  320. bDescriptorSubtype 2 (FORMAT_TYPE)
  321. bFormatType 1 (FORMAT_TYPE_I)
  322. bNrChannels 1
  323. bSubframeSize 2
  324. bBitResolution 16
  325. bSamFreqType 7 Discrete
  326. tSamFreq[ 0] 8000
  327. tSamFreq[ 1] 11025
  328. tSamFreq[ 2] 16000
  329. tSamFreq[ 3] 22050
  330. tSamFreq[ 4] 32000
  331. tSamFreq[ 5] 44100
  332. tSamFreq[ 6] 48000
  333. Endpoint Descriptor:
  334. bLength 9
  335. bDescriptorType 5
  336. bEndpointAddress 0x81 EP 1 IN
  337. bmAttributes 1
  338. Transfer Type Isochronous
  339. Synch Type None
  340. Usage Type Data
  341. wMaxPacketSize 0x0100 1x 256 bytes
  342. bInterval 4
  343. bRefresh 0
  344. bSynchAddress 0
  345. AudioControl Endpoint Descriptor:
  346. bLength 7
  347. bDescriptorType 37
  348. bDescriptorSubtype 1 (EP_GENERAL)
  349. bmAttributes 0x00
  350. bLockDelayUnits 0 Undefined
  351. wLockDelay 0 Undefined
  352. Device Qualifier (for other device speed):
  353. bLength 10
  354. bDescriptorType 6
  355. bcdUSB 2.00
  356. bDeviceClass 239 Miscellaneous Device
  357. bDeviceSubClass 2 ?
  358. bDeviceProtocol 1 Interface Association
  359. bMaxPacketSize0 64
  360. bNumConfigurations 1
  361. Device Status: 0x0000
  362. (Bus Powered)
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