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这是我用的M3U8地址：http://hot.vrs.sohu.com/ipad1479474_4601450223274_4680795.m3u8?plat=17&prod=ad
现象：1.播放整个的大视频seekTo时，没有问题，很快就可以继续播放。
2.对M3U8地址视频使用seekTo时可能出现两种情况：1.缓冲很长时间后可以播放 2.缓冲一段时间后视频暂停，点击播放视频从头开始播放。
3.如果seekTo的位置已经预缓冲完成则seekTo可以很快播放。
4.通过Log及播放信息可以看出，缓冲很长时间这个过程中，一直有数据进行下载，且速度并不慢。
请教各位大神帮忙分析下，这个问题很头疼，现在都是用这中分段的视频，缓冲时间过长太影响体验，谢谢了！
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0ct0cat commentedon Mar 22, 2017
maybe you need modify the ffmpeg.make the probe size smaller.
0ct0cat commentedon Mar 22, 2017
the default probe is 5s. too long
Nimger commentedon Mar 23, 2017
使用IJKFFMoviePlayerController的话，我也碰到这问题，后来我直接改用IJKAVMoviePlayerController来显示，拖动进度就很快了，看了下IJKFFMoviePlayerController的日志，拖动的时候，会一个个ts请求下去，直到找到需要的ts，这样不慢才怪，不知道有什么法子直接定位到所需要的ts
Android4MediaPlayer commentedon Mar 25, 2017
有sample url吗
0ct0cat commentedon Mar 27, 2017
IJKAVMoviePlayerController use the ios defalut mediaplayer. not ffplay.
if yout want use ffplay,pls use IJKFFMoviePlayerController.
when the play seek to position.Reduced the probe size make it fast.
drivedreams commentedon Mar 28, 2017
drivedreams commentedon Mar 28, 2017
Hi 0ct0cat,
I checked the codes of ijkplayer, IJKFFMoviePlayerController is used in IOS. How to resolve my problem on android?
0ct0cat commentedon Mar 29, 2017
there is a member probesize in AVFormatContext ,you can set it's value to control the demuxer probe size.
this method can use on android & ios
aasdsjk commentedon Mar 29, 2017
how to set probesize ,and where can i set it's value?
0ct0cat commentedon Mar 30, 2017
just like this
pls->ctx->probesize = 32 * 1024;
in hls.c
hls_read_header
aasdsjk commentedon Mar 30, 2017
thank you
aasdsjk commentedon Mar 30, 2017
I haved tried this, and i make pls->ctx->probesize = 4 * 1024. But it is not helpful. Does it work?
drivedreams commentedon Apr 5, 2017
Hi 0ct0cat,
Could you try my Video address? I has tried a lot of ways to do it, but still can not resolved it. I have to use Vitamio as a temporary resolution.
0ct0cat commentedon Apr 7, 2017
@drivedreams
i test this stream,it's can't seek.
maybe there is a problem in mpegts.c.
after seek, hls.c work normal,it's can find right url to read and down ts data.
but the av_read_frame stop work.i think it's demux's bug.
drivedreams commentedon Apr 9, 2017
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