Hi, I was wondering if you could help me. I have an EzCAP 116 USB 2.0 Video Capture device purchased directly from http://www.ezcap.tv/ I can play audio from the device, however all my attempts to view video from it result in either a green or black screen v4l2-ctl appears to not be working correctly with it. This is illustrated by trying to set the standard on the device as shown below. Any advice on how to get both video and audio from the device would be much appreciated The device is connected to a raspberry pi running raspian: ?Linux raspi1 3.2.27+ #114 PREEMPT Tue Sep 4 00:15:33 BST 2012 armv6l GNU/Linux? Listing the available standards shows: pi@raspi1 ~/capture $ v4l2-ctl --list-standards supported by the device shows ioctl: VIDIOC_ENUMSTD Index : 0 ID : 0x000000000000B000 Name : NTSC Frame period: 1001/30000 Frame lines : 525 Index : 1 ID : 0x0000000000001000 Name : NTSC-M Frame period: 1001/30000 Frame lines : 525 Index : 2 ID : 0x0000000000002000 Name : NTSC-M-JP Frame period: 1001/30000 Frame lines : 525 Index : 3 ID : 0x0000000000008000 Name : NTSC-M-KR Frame period: 1001/30000 Frame lines : 525 Index : 4 ID : 0x0000000000004000 Name : NTSC-443 Frame period: 1001/30000 Frame lines : 525 Index : 5 ID : 0x00000000000000FF Name : PAL Frame period: 1/25 Frame lines : 625 Index : 6 ID : 0x0000000000000007 Name : PAL-BG Frame period: 1/25 Frame lines : 625 Index : 7 ID : 0x0000000000000008 Name : PAL-H Frame period: 1/25 Frame lines : 625 Index : 8 ID : 0x0000000000000010 Name : PAL-I Frame period: 1/25 Frame lines : 625 Index : 9 ID : 0x00000000000000E0 Name : PAL-DK Frame period: 1/25 Frame lines : 625 Index : 10 ID : 0x0000000000000100 Name : PAL-M Frame period: 1001/30000 Frame lines : 525 Index : 11 ID : 0x0000000000000200 Name : PAL-N Frame period: 1/25 Frame lines : 625 Index : 12 ID : 0x0000000000000400 Name : PAL-Nc Frame period: 1/25 Frame lines : 625 Index : 13 ID : 0x0000000000000800 Name : PAL-60 Frame period: 1001/30000 Frame lines : 525 Index : 14 ID : 0x0000000000FF0000 Name : SECAM Frame period: 1/25 Frame lines : 625 Index : 15 ID : 0x0000000000010000 Name : SECAM-B Frame period: 1/25 Frame lines : 625 Index : 16 ID : 0x0000000000040000 Name : SECAM-G Frame period: 1/25 Frame lines : 625 Index : 17 ID : 0x0000000000080000 Name : SECAM-H Frame period: 1/25 Frame lines : 625 Index : 18 ID : 0x0000000000320000 Name : SECAM-DK Frame period: 1/25 Frame lines : 625 Index : 19 ID : 0x0000000000400000 Name : SECAM-L Frame period: 1/25 Frame lines : 625 Index : 20 ID : 0x0000000000800000 Name : SECAM-Lc Frame period: 1/25 Frame lines : 625 If I try and set the standard to PAL-60: pi@raspi1 ~/capture $ v4l2-ctl --set-standard PAL-60 Standard set to 0000b000 It sets the standard ID to 0000b000 which is NTSC rather than the 0000800 ID associated with PAL-60 This confirmed by then reading the standard back from the device: pi@raspi1 ~/capture $ v4l2-ctl --get-standard Video Standard = 0x0000b000 NTSC-M/M-JP/M-KR If however I set the standard using the index for PAL-60 it correctly sets the standard: pi@raspi1 ~/capture $ v4l2-ctl --set-standard 13 Standard set to 00000800 Which is confirmed by: pi@raspi1 ~/capture $ v4l2-ctl --get-standard Video Standard = 0x00000800 PAL-60 The device is identified as follows by lsusb pi@raspi1 ~/capture $ lsusb -s 1:39 Bus 001 Device 039: ID eb1a:2861 eMPIA Technology, Inc. Dmesg shows the following when the device is plugged in: [37368.868492] usb 1-1.3.1.3: new high-speed USB device number 39 using dwc_otg [37368.968977] usb 1-1.3.1.3: New USB device found, idVendor=eb1a, idProduct=2861 [37368.969001] usb 1-1.3.1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [37369.056218] em28xx: New device @ 480 Mbps (eb1a:2861, interface 0, class 0) [37369.056440] em28xx #0: chip ID is em2860 [37369.171780] em28xx #0: board has no eeprom [37369.283182] em28xx #0: found i2c device @ 0x4a [saa7113h] [37369.317938] em28xx #0: Your board has no unique USB ID. [37369.317961] em28xx #0: A hint were successfully done, based on i2c devicelist hash. [37369.317973] em28xx #0: This method is not 100% failproof. [37369.317982] em28xx #0: If the board were missdetected, please email this log to: [37369.317993] em28xx #0: V4L Mailing List <linux-media@xxxxxxxxxxxxxxx> [37369.318004] em28xx #0: Board detected as EM2860/SAA711X Reference Design [37369.408323] em28xx #0: Identified as EM2860/SAA711X Reference Design (card=19) [37369.408346] em28xx #0: Registering snapshot button... [37369.415731] input: em28xx snapshot button as /devices/platform/bcm2708_usb/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1.3/input/input12 4 [37370.049046] saa7115 0-0025: saa7113 found (1f7113d0e100000) @ 0x4a (em28xx #0) [37371.328710] em28xx #0: Config register raw data: 0x10 [37371.368476] em28xx #0: AC97 vendor ID = 0x83847652 [37371.388482] em28xx #0: AC97 features = 0x6a90 [37371.388500] em28xx #0: Sigmatel audio processor detected(stac 9752) [37372.148451] em28xx #0: v4l2 driver version 0.1.3 [37373.856981] em28xx #0: V4L2 video device registered as video0 [37373.857009] em28xx #0: V4L2 VBI device registered as vbi0 [37373.859948] usbcore: registered new interface driver em28xx [37373.859973] em28xx driver loaded usb-devices for the device shows: T: Bus=01 Lev=04 Prnt=05 Port=02 Cnt=02 Dev#= 39 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=eb1a ProdID=2861 Rev=01.00 C: #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=ff Driver=em28xx I: If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio I: If#= 2 Alt= 0 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio I?ve also tried using a few different card ID?s for the device using: pi@raspi1 ~/capture $ sudo rmmod ex28xx Followed by pi@raspi1 ~/capture $ sudo modprobe em28xx card=<n> With different values of <n> but given that there are 77 cards listed I haven?t managed to find one that works yet! Is it possible that the device is being incorrectly identified or is the device not currently supported? Let me know if you want me to do anything to further diagnose the issue. Thanks, Fergal -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
