Tools/raw materials:
Huawei glory 50Pro
Mobile phone 4.2.0. 157
Clip 6.9.0
1. Open the clip home page and click the video below, as shown below:
2. Select the main video track and move the white pointer to the beginning of the video, as shown in the following figure:
3. Click the prismatic icon above to add a key frame to the white pointer, as shown in the following figure:
4. Then drag the white pointer to the end of the video, click the prismatic icon above, and then use two fingers to enlarge the picture. This forms a dynamic video, as shown in the following figure: