device_next       105 libavdevice/avdevice.c     return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
device_next       111 libavdevice/avdevice.c     return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
device_next       117 libavdevice/avdevice.c     return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
device_next       123 libavdevice/avdevice.c     return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,