UVCカメラのデータの流れをWindows 7のWiresharkで見てみました。
No. 9のところでアプリを起動して、しばらくして終了してます。
No. Time Source Destination Protocol Length Info
1 0.000000 host 5.1.0 USB 36 GET DESCRIPTOR Request DEVICE
2 0.000000 5.1.0 host USB 46 GET DESCRIPTOR Response DEVICE
3 0.000000 host 5.1.0 USB 36 GET DESCRIPTOR Request CONFIGURATION
4 0.000000 5.1.0 host USB 475 GET DESCRIPTOR Response CONFIGURATION
5 0.000000 host 5.1.0 USB 36 SET CONFIGURATION Request
6 0.000000 5.1.0 host USB 28 SET CONFIGURATION Response
7 0.000000 host 5.1.0 USB 36 GET DESCRIPTOR Request DEVICE
8 0.000000 5.1.0 host USB 46 GET DESCRIPTOR Response DEVICE
9 4.066090 host 5.1.0 USBVIDEO 36 GET CUR Request [Probe]
10 4.066090 5.1.0 host USBVIDEO 54 GET CUR Response [Probe]
11 4.066090 host 5.1.0 USBVIDEO 36 GET MAX Request [Probe]
12 4.066090 5.1.0 host USBVIDEO 54 GET MAX Response [Probe]
13 4.066090 host 5.1.0 USBVIDEO 36 GET MIN Request [Probe]
14 4.066090 5.1.0 host USBVIDEO 54 GET MIN Response [Probe]
15 4.066090 host 5.1.0 USBVIDEO 62 SET CUR Request [Probe]
16 4.067090 5.1.0 host USBVIDEO 28 SET CUR Response [Probe]
17 4.067090 host 5.1.0 USBVIDEO 36 GET CUR Request [Probe]
18 4.068090 5.1.0 host USBVIDEO 54 GET CUR Response [Probe]
19 4.068090 host 5.1.0 USBVIDEO 36 GET MAX Request [Probe]
20 4.068090 5.1.0 host USBVIDEO 54 GET MAX Response [Probe]
21 4.068090 host 5.1.0 USBVIDEO 36 GET MIN Request [Probe]
22 4.068090 5.1.0 host USBVIDEO 54 GET MIN Response [Probe]
23 4.225099 host 5.1.0 USBVIDEO 36 GET CUR Request [Probe]
24 4.226099 5.1.0 host USBVIDEO 54 GET CUR Response [Probe]
25 4.226099 host 5.1.0 USBVIDEO 36 GET MAX Request [Probe]
26 4.226099 5.1.0 host USBVIDEO 54 GET MAX Response [Probe]
27 4.226099 host 5.1.0 USBVIDEO 36 GET MIN Request [Probe]
28 4.226099 5.1.0 host USBVIDEO 54 GET MIN Response [Probe]
29 4.226099 host 5.1.0 USBVIDEO 62 SET CUR Request [Probe]
30 4.226099 5.1.0 host USBVIDEO 28 SET CUR Response [Probe]
31 4.226099 host 5.1.0 USBVIDEO 36 GET CUR Request [Probe]
32 4.227100 5.1.0 host USBVIDEO 54 GET CUR Response [Probe]
33 4.227100 host 5.1.0 USBVIDEO 36 GET MAX Request [Probe]
34 4.227100 5.1.0 host USBVIDEO 54 GET MAX Response [Probe]
35 4.227100 host 5.1.0 USBVIDEO 36 GET MIN Request [Probe]
36 4.228100 5.1.0 host USBVIDEO 54 GET MIN Response [Probe]
37 4.471114 host 5.1.0 USBVIDEO 62 SET CUR Request [Probe]
38 4.472114 5.1.0 host USBVIDEO 28 SET CUR Response [Probe]
39 4.472114 host 5.1.0 USBVIDEO 36 GET CUR Request [Probe]
40 4.472114 5.1.0 host USBVIDEO 54 GET CUR Response [Probe]
41 4.472114 host 5.1.0 USBVIDEO 62 SET CUR Request [Commit]
42 4.472114 5.1.0 host USBVIDEO 28 SET CUR Response [Commit]
43 4.472114 host 5.1.0 USB 36 SET INTERFACE Request
44 4.474114 5.1.0 host USB 28 SET INTERFACE Response
45 4.484114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
46 4.484114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
47 4.484114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
48 4.485114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
49 4.485114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
50 4.485114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
51 4.485114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
52 4.485114 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
53 4.501115 5.1.3 host USB 298867 URB_ISOCHRONOUS in
54 4.501115 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
55 4.517116 5.1.3 host USB 364785 URB_ISOCHRONOUS in
56 4.518116 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
57 4.533117 5.1.3 host USB 300035 URB_ISOCHRONOUS in
58 4.533117 host 5.1.3 USB 1575 URB_ISOCHRONOUS in
省略
362 6.997258 5.1.3 host USB 331567 URB_ISOCHRONOUS in
363 7.013259 5.1.3 host USB 333207 URB_ISOCHRONOUS in
364 7.029260 5.1.3 host USB 361655 URB_ISOCHRONOUS in
365 7.045261 5.1.3 host USB 303123 URB_ISOCHRONOUS in
366 7.061262 5.1.3 host USB 364787 URB_ISOCHRONOUS in
367 7.061262 host 5.1.3 USB 27 URB_FUNCTION_ABORT_PIPE
368 7.061262 5.1.3 host USB 27 URB_FUNCTION_ABORT_PIPE
369 7.061262 host 5.1.3 USB 27 URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL
370 7.061262 5.1.3 host USB 27 URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL
371 7.063262 host 5.1.0 USB 36 SET INTERFACE Request
372 7.064262 5.1.0 host USB 28 SET INTERFACE Response