AV_CLASS_CATEGORY_DEVICE_OUTPUT  118 libavdevice/avdevice.c                        AV_CLASS_CATEGORY_DEVICE_OUTPUT);
AV_CLASS_CATEGORY_DEVICE_OUTPUT  124 libavdevice/avdevice.c                        AV_CLASS_CATEGORY_DEVICE_OUTPUT);
AV_CLASS_CATEGORY_DEVICE_OUTPUT   84 libavutil/log.c     [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT       ] = 13,
AV_CLASS_CATEGORY_DEVICE_OUTPUT  116 libavutil/log.c     [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT       ] = 213 << 8 | 0x15,
AV_CLASS_CATEGORY_DEVICE_OUTPUT   58 libavutil/log.h      ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))