Sensoray 616 AVStream DirectShow - Manual (Page 8)

8
• Route( 0, 1) // S-video
IX16Cfg
• GetAttr: Gets current attribute in driver
• SetAttr : Sets attribute(see below)
• GetGpio: Gets current Gpio byte
• SetGpio: Sets Gpio value byte
Attributes:
Video Bitrate
ATTR_video_bitrate = 10
Set the bitrate from 60000 to 9000000 (9Mbit/s)
GOP size
ATTR_video_m = 16
Set the GOP size. From2 to 30. Default 8
MPEG compression and size
ATTR_mpeg = 26
enum{
COMP_MPEG2D1
= 0,
COMP_MPEG1_SIF = 3,
COMP_MPEG1_QSIF
= 4,
COMP_MPEG2H720 = 5,
COMP_MPEG2VGA = 6, // NOT supported for PAL
} compression_values_t;
Stream Type
ATTR_stream_type = 27
Value = 0 Multiplexed A/V
Value = 1 Video Only (MPEG compression)