如何将裁剪视频mp4文件保存到SD卡中? 我有字符串存储视频的裁剪时间我想将此字符串转换为字节,所以我得到视频如何做到这一点?
commandStr = "ffmpeg -i " + RecordActivity.video_path_save + " -vcodec copy -acodec copy -ss 00:" + stm + ":" +
start_total_second + " -t 00:" + etm + ":" + end_total_second
+ " " + path + "/name" + _timeRef + ".mp4";
这是我在裁剪后获得的字符串。