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Update README.MD

MoeClub 5 years ago
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24596cb58f
1 changed files with 6 additions and 0 deletions
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      ffmpeg/README.MD

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ffmpeg/README.MD

@@ -17,3 +17,9 @@ ffprobe -v error -show_entries format=bit_rate -of default=noprint_wrappers=1:no
 ```
 ffmpeg -i <File> -threads 2 -thread_type slice -vcodec copy -acodec aac -bsf:v h264_mp4toannexb -map 0 -f segment -segment_list output.m3u8 -segment_time 10 output_%03d.ts
 ```
+
+# 分片时长计算(大约)
+```
+分片时间 = (文件限制大小[M] * 1024 * 1024) / (媒体文件比特率[b] * 突发码率比率 / 8)
+突发码率视情况取值: 一般取值 1.25 
+```