Sensoray 616 Linux Manual de usuario

SENSORAY CO., INC. 516/616 MPEG Frame Grabbers Programmer’s Manual October 11, 2005  Sensoray 2001 7313 SW Tech Center Dr. Tigard, O

10• SIZE176_1 MPEG-1, NTSC-176x112 PAL-176x144 • SIZE352_1 MPEG-1, NTSC-352x240 PAL-352x288 • SIZE352_2 MPEG-2, NTSC-352x480 PAL-352x576 •

11STREAMTYPE_AES Audio elementary stream, no video, STREAMTYPE_TRANSPORT Transport stream. Return values None. Notes Sets type of the MPEG stream

12Pauses data flow. Sends “PAUSE” command to the board. Application cannot read/write after the PAUSE command until RESUME or STOP command sent.

13None. Notes Sets contrast on video input. SX16_IOC_SET_SATURATION ioctl( handle, SX16_IOC_SET_SATURATION, saturation ); Parameters saturation Satu

14Must be one of the following: CAPTN_window Caption window number. CAPTN_xstart Caption x start position. CAPTN_xstop Caption x stop positi

15Parameters y_start Position of upper edge of window. Default value is 0. Return values None. Notes Sets upper caption window position. SX16_IOC_S

16SX16_IOC_SET_CAPTION_TRANSPARENCY ioctl( handle, SX16_IOC_SET_CAPTION_TRANSPARENCY, transp ); Parameters transp Caption transparency attribute. Mu

174.2.3. Audio Functions SX16_IOC_SET_AUDIO_VOLUME ioctl( handle, SX16_IOC_SET_AUDIO_VOLUME, volume); Parameters volume Volume. Must be between 0 an

18Parameters bitrate Audio bit rate: see table below. Return values None. Notes Sets audio bit rate. Bitrate value Bit Rate (kbps) MPEG Layer I L

19state State of GPIO Return values None. Notes Sets state of GPIO pins: active output is low (output is pulled down when bit is set to 1). To use a

2 1. Introduction... 4

3SX16_IOC_SET_AUDIO_FORMAT... 17 SX16_IOC_SET_AUDIO_ BITRATE...

41. Introduction The Sensoray Models 516 and 616 is an MPEG video encoder decoder board. Some of the features include: General • Real time MPEG-2

5 2. Software Components The software contains the following files: Filename Function sx16ioctl.h sx16core.h Header files driver/*.c, driver/*.h

6 2.1. Installation Procedure 2.1.1. Driver Installation o As root, enter the directory where the files have been installed. o Type 'make cl

7'cp test1.mpg /dev/video1' (use ctrl-c to interrupt) 'cat test1.mpg > /dev/video1' etc... If you have two cards, this shou

84.2. Control Codes 4.2.1. Video Functions SX16_IOC_SET_INPUT ioctl( handle, SX16_IOC_SET_INPUT, input ); Parameters input Video input. Must be bet

9D6 HLVLN status bit for horizontal/vertical loop: LOW = locked, HIGH = unlocked D7 INTL status bit for interlace detection; LOW = non-interlaced, HI