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如标题,比如我录制一个rec.h264文件,我如何在通过第三方播放器,比如vlc播放的时候,显示类似时间信息的字幕叠加信息啊?
就像我们看国外的电影一样的字幕;
请问在如何实现?
谢谢
你好，
预先把时间等OSD信息的YUV做好，到时候通过EDMA复制相关YUV信息到视频图像里，然后再编码。
