av_hwdevice_ctx_init  257 libavcodec/rkmppdec.c     ret = av_hwdevice_ctx_init(decoder->device_ref);
av_hwdevice_ctx_init  634 libavutil/hwcontext.c     ret = av_hwdevice_ctx_init(device_ref);
av_hwdevice_ctx_init  690 libavutil/hwcontext.c                 ret = av_hwdevice_ctx_init(dst_ref);
av_hwdevice_ctx_init  276 libavutil/hwcontext.h int av_hwdevice_ctx_init(AVBufferRef *ref);
av_hwdevice_ctx_init  251 libavutil/hwcontext_qsv.c     ret = av_hwdevice_ctx_init(child_device_ref);