Sensoray 2251 Linux Ver.X User Manual
Usb mpeg capture device software manual (linux)
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Table of contents
Document Outline
- Software
- Feature Summary
- Installation
- Troubleshooting
- Enter s2250loader_probe 2.6 kernel
- vendor id 0x1943, device id 0xa250 devnum:3
- s2250loader_probe: Device 3 on Bus 1 Minor 0
- loading 2250 loader
- usb 1-7: firmware: requesting s2250_loader.fw
- usb 1-7: firmware: requesting s2250.fw
- usbcore: registered new interface driver s2250-loader
- s2250loader_init: driver registered
- s2250: disconnect
- go7007-usb: probing new GO7007 USB board
- Sensoray 2250 found
- go7007 1-7:1.0: firmware: requesting go7007fw.bin
- go7007: registering new Sensoray 2250/2251
- s2250: initializing video decoder on WIS GO7007SB EZ-USB
- s2250: initialized successfully
- go7007: registered device video0 [v4l2]
- API Reference
- The Video4linux2 API can be found online http://www.linuxtv.org/downloads/video4linux/API/V4L2_API/
- The driver supports the following USER CLASS controls, and acceptable values:
- The driver supports the following MPEG CLASS controls, and acceptable values:
- V4L2_CID_MPEG_STREAM_TYPE V4L2_MPEG_STREAM_TYPE_MPEG2_DVD V4L2_MPEG_STREAM_TYPE_MPEG_ELEM
- V4L2_CID_MPEG_VIDEO_ENCODING V4L2_MPEG_VIDEO_ENCODING_MPEG_1 V4L2_MPEG_VIDEO_ENCODING_MPEG_2 V4L2_MPEG_VIDEO_ENCODING_MPEG_4
- V4L2_CID_MPEG_VIDEO_ASPECT V4L2_MPEG_VIDEO_ASPECT_1x1 V4L2_MPEG_VIDEO_ASPECT_4x3 V4L2_MPEG_VIDEO_ASPECT_16x9
- V4L2_CID_MPEG_VIDEO_GOP_SIZE integer
- V4L2_CID_MPEG_VIDEO_BITRATE 64000 .. 10000000
- Demo Application
- A simple video and audio application “capture” is provided to demonstrate the features of the device. The application options are presented below. By default, only a limited number of frames are captured. If more useful functionality is required, the provided application source code must be modified. To recompile the application, type “make demo”.
- ./capture -h
- Options:
- -d | --device name Video device name [/dev/video0]
- -h | --help Print this message
- -j | --mjpeg Motion Jpeg
- -4 | --mpeg4 MPEG4
- -1 | --mpeg1 MPEG1
- -2 | --mpeg2 MPEG2
- -a | --audio name Audio device [/dev/dsp]
- -i | --ainput Select audio input
- -w | --wavefile name dump audio to wav file
- -s | --size size 0=vga, 1=1/2 VGA
- -o | --out name output file name (MPEG only)
- -b | --br bitrate change bitrate(MBs)
- -p | --pal Set Standard to PAL
- -v | --svideo Use S-Video input
- A simple video and audio application “capture” is provided to demonstrate the features of the device. The application options are presented below. By default, only a limited number of frames are captured. If more useful functionality is required, the provided application source code must be modified. To recompile the application, type “make demo”.