Sensoray 616 Linux User Manual download pdf (Page 18)

Parameters

bitrate

Audio bit rate: see table below.

Return values

None.

Notes

Sets audio bit rate.

Bitrate value

Bit Rate (kbps)

MPEG Layer I Layer II

128

160

192

224

256

288

320

352

384

416

448

112

128

160

192

224

256

320

384

4.2.4. Digital I/O Functions

Note: Different models have different number of IO pins. Please refer the hardware manual for your board.

SX16_IOC_GET_GPIO

ioctl( handle, SX16_IOC_GET_GPIO, 0 );

Parameters

None.

Return values

State of GPIO

Notes

Reads state of GPIO pins: active input is low (when input is pulled down, bit is set to 1).

SX16_IOC_SET_GPIO

ioctl( handle, SX16_IOC_SET_GPIO, state );

Parameters

1 2 ... 13 14 15 16 17 18 19

SENSORAY CO., INC 1
1. Introduction 4
2. Software Components 5
2.1. Installation Procedure 6
3. Demo Applications 7
4. Functions Reference 7
4.2. Control Codes 8
SX16_IOC_SET_VIDEO_SYSTEM 9
SX16_IOC_SET_BITRATE 9
SX16_IOC_SET_MPEG 9
SX16_IOC_SET_N 10
SX16_IOC_SET_M 10
SX16_IOC_SET_STREAM_TYPE 10
SX16_IOC_SET_VBR 11
SX16_IOC_RW_STOP 11
SX16_IOC_RW_PAUSE 11
SX16_IOC_SET_BRIGHTNESS 12
SX16_IOC_SET_CONTRAST 12
SX16_IOC_RW_RESUME 12
SX16_IOC_RW_RESET 12
SX16_IOC_SET_SATURATION 13
SX16_IOC_SET_COLORBARS 13
SX16_IOC_SET_CAPTION_WINDOW 14
SX16_IOC_SET_CAPTION_XSTART 14
SX16_IOC_SET_CAPTION_YSTART 14
SX16_IOC_SET_CAPTION_SCALE 15
SX16_IOC_SET_CAPTION_COLOR 15
SX16_IOC_SET_CAPTION_TEXT 16
SX16_IOC_SET_CAPTION_ON 16
4.2.3. Audio Functions 17
SX16_IOC_SET_AUDIO_VOLUME 17
SX16_IOC_SET_AUDIO_MUTE 17
SX16_IOC_SET_AUDIO_FORMAT 17
SX16_IOC_SET_AUDIO_ BITRATE 17
SX16_IOC_GET_GPIO 18
SX16_IOC_SET_GPIO 18
4.3. Other commands 19

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