// _1080P
capture: deviceId="", position=FRONT, facingMode=USER, width=1920, height=1080, maxFps=15
publish(main): desc="camera_big"(TRACK_MAIN), codec=H264, maxBitrate=5000*1024, minBitrate=2500*1024, width=1920, height=1080, maxFps=15
publish(sub): desc="camera_small"(TRACK_SUB), codec=H264, maxBitrate=160*1024, minBitrate=80*1024, width=320, height=180, maxFps=15
// _720P
capture: deviceId="", position=FRONT, facingMode=USER, width=1280, height=720, maxFps=15
publish(main): desc="camera_big"(TRACK_MAIN), codec=H264, maxBitrate=2400*1024, minBitrate=1500*1024, width=1280, height=720, maxFps=15
publish(sub): desc="camera_small"(TRACK_SUB), codec=H264, maxBitrate=160*1024, minBitrate=80*1024, width=320, height=180, maxFps=15
// _480P
capture: deviceId="", position=FRONT, facingMode=USER, width=640, height=480, maxFps=15
publish(main): desc="camera_big"(TRACK_MAIN), codec=H264, maxBitrate=800*1024, minBitrate=400*1024, width=640, height=480, maxFps=15
publish(sub): desc="camera_small"(TRACK_SUB), codec=H264, maxBitrate=160*1024, minBitrate=80*1024, width=320, height=180, maxFps=15
// _180P
capture: deviceId="", position=FRONT, facingMode=USER, width=320, height=180, maxFps=15
publish(main): desc="camera_big"(TRACK_MAIN), codec=H264, maxBitrate=160*1024, minBitrate=80*1024, width=320, height=180, maxFps=15
publish(sub): desc="camera_small"(TRACK_SUB), codec=H264, maxBitrate=160*1024, minBitrate=80*1024, width=320, height=180, maxFps=15
