本文将智能手机触屏硬件和应用软件所实现的视频流，视为一种参与造就了 “后”感知模式危机及转型的计算机媒介问题，并在媒介考古学和姿势现象学的框架 内为“刷视频”这种新的观看症状提供一种理解路径。为了说明触控图像机具的媒介 特性，文章考察了数字触屏装置与“前电影”光学装置、经典电影装置的关系，分析 了“刷视频”姿势的动作模态和标准意图，并追溯了触控技术的历史。触屏视频流的 视觉生产基于硬件和软件的可供性与手部智能的互动关系，这种触控图像是一种基于 身体连续性的操作图像，彰显了信息表面与屏幕边框之间的冲突。

The paper examines the streaming video that are realized by the smartphone touchscreen as a problematic of computer media, which participate to generate the “post-” status that characterizes the perceptual crisis and transformation. It orients to provide a mediaarchaeological and gesture-phenomenological understanding on the new viewing experience that is symptomized by the “video brushing” gesture. To illustrate the medium specificity of the touch-controlled image apparatus, the paper explores connections of the digital touchscreen dispositif with the “pre-cinema” optical dispositif and that with the classicalcinema dispositif; it also interprets the specific modalities of the “video brushing” gesture, and reviews the underlying histories of touch-controlled technologies. It argues that the visual production of the touchscreen streaming videos depends on the interplay of the hardware- and software-affordance of and the hand intelligence; touchscreen images are characterized by the operativeness basing on the corporeal continuity, and they manifest the clash between the endless information-surface and the limited screen-frame.