Types of no signal modes
Synopsis:
#include <vcapture/capture.h>
enum capture_no_signal_mode {
CAPTURE_NO_SIGNAL_DEFAULT_MODE = 0,
CAPTURE_NO_SIGNAL_NOISE_MODE,
CAPTURE_NO_SIGNAL_BLACK_MODE,
CAPTURE_NO_SIGNAL_BLUE_MODE,
CAPTURE_NO_SIGNAL_TABLE_MODE
};
Data:
- CAPTURE_NO_SIGNAL_DEFAULT_MODE
- Default behavior; defined by driver or hardware (unknown).
- CAPTURE_NO_SIGNAL_NOISE_MODE
- Show color or black-and-white noise (snow) on the display if there isn't an input video source.
This is a common mode for hardware that doesn't support detection of video source signals
- CAPTURE_NO_SIGNAL_BLACK_MODE
- Fill all frames with black (or close to black) color if no video source signal state is detected.
- CAPTURE_NO_SIGNAL_BLUE_MODE
- Fill all frames with blue (or close to blue) color if no video source signal state is detected.
- CAPTURE_NO_SIGNAL_TABLE_MODE
- Use a hardware or software pre-defined picture (usually with text "NO SIGNAL") if no video source signal state is detected.
Library:
libcapture