| ChromiumOS Yet Another V4L2 Test Application |
| |
| cros-yavta is a V4L2 test application (our main usage is camera testing). It is |
| based on another open source project, yavta, http://git.ideasonboard.org/yavta.git. |
| |
| == Features |
| Inheritance from original yavta: |
| - pure command line tool |
| - open/close devices; start/stop streaming |
| - specify resolution, framerate, format, etc. |
| - get/set control values |
| - dump raw frames to file |
| |
| More features: |
| - display on X window |
| - simulcast |
| - dump raw frame to ivf format |
| - dump decoded frame to ppm or y4m format |
| - builtin mini web server |
| + some basic features from web interface |
| + streaming webm (for VP8 format) |
| - remote server |
| |
| == Sample usage |
| |
| Output frames on the screen |
| $ ./yavta --output --capture /dev/video0 |
| |
| Output mjpeg frames |
| $ ./yavta --output --capture --format mjpeg /dev/video1 |
| |
| Output 100 frames on the screen and dump to file |
| $ ./yavta --output --capture=100 --dump /dev/video0 |
| |
| Web interface |
| --port 9999 |
| Hint: You may need to change firewall rule to accept remote connection. |
