ff_decklink_init_device  205 libavdevice/decklink_common.h int ff_decklink_init_device(AVFormatContext *avctx, const char* name);
ff_decklink_init_device 1058 libavdevice/decklink_dec.cpp     ret = ff_decklink_init_device(avctx, avctx->url);
ff_decklink_init_device  576 libavdevice/decklink_enc.cpp     ret = ff_decklink_init_device(avctx, avctx->url);