Sensoray 819 Linuxs SDK - Manual (Page 6)

STREAM_H264_PRI primary H.264 stream.
STREAM_H264_SEC secondary H.264 stream. Resolution must be lower than that of the primary
stream.
STREAM_JPEG JPEG stream.
STREAM_YUV preview stream.
STREAM_AUDIO audio stream.
STREAM_ALARM alarm stream.
STREAM_CAPTION caption (on-screen display, OSD) stream (input).
Capture channel
typedef struct {
int ctrl;
} CONTROL;
Reserved.
typedef struct {
CHAN_MODE cMode; //channel capture mode
STREAM_MODE psMode; //primary H.264 stream
STREAM_MODE ssMode; //secondary H.264 stream
STREAM_MODE jsMode; //JPEG stream
STREAM_MODE vsMode; //preview stream
STREAM_MODE asMode; //audio stream
STREAM_MODE lsMode; //alarm stream
STREAM_MODE csMode; //caption stream (in)
CONTROL ctrl; //reserved
} S819_CHAN;
cMode channel capture mode. Applies to all streams captured from a channel.
psMode primary H.264 stream mode.
ssMode secondary H.264 stream mode.
jsMode JPEG stream mode.
vsMode preview stream mode.
asMode audio stream mode.
lsMode alarm stream mode.
csMode caption stream mode.
control reserved.
Capture buffer
typedef enum {
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