ff_v4l2_m2m_codec_full_reinit  213 libavcodec/v4l2_context.c         ret = ff_v4l2_m2m_codec_full_reinit(s);
ff_v4l2_m2m_codec_full_reinit  127 libavcodec/v4l2_m2m.h int ff_v4l2_m2m_codec_full_reinit(V4L2m2mContext *ctx);