Figure 6 shows the video setting entries for video bit rate, frame rate, video size, and aspect ratio.
图6显示了视频比特率、帧速、视频大小和高宽比的视频设置项。
After using the IMG_Load function to load each video frame into a temporary surface, the SDL_ConvertSurface function is used to make sure all the surfaces used will have the same color format.
先使用img_load函数将视频各帧载入到临时表面,再调用SDL_ConvertSurface函数确保所有用到的表面有相同的色彩格式。
It demarcates the start of active video on each row of a video frame.
它界定了视频帧每一行中有效视频的起始位置。
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