[MPlayer-users] MPlayer not playing HTTP video stream for one specific content from the same source

Joel Ng blood_elves88 at yahoo.com.sg
Thu Jun 29 11:10:00 EEST 2017

On 27/06/2017 2:42 PM, Joel Ng wrote:
> On 26/06/2017 12:37 AM, Reimar Döffinger wrote:
>> On Tue, Jun 20, 2017 at 11:43:07AM +0800, Joel Ng wrote:
>>> Hello,
>>> I am currently using MPlayer to play a video stream from a HTTP 
>>> source. This
>>> HTTP source is created on my own. It is a video capture stream from a 
>>> video
>>> game. I basically capture the video, encode it into a video, then 
>>> stream it
>>> out as HTTP via FFmpeg.
>>> MPlayer works for most of the games I have tried, but in one specific
>>> situation*, MPlayer is not able to display anything. It manages to 
>>> connect,
>>> but then it gets stuck here indefinitely:
>>> "libavformat version 57.72.101 (internal)
>>> Stream not seekable!
>>> H264-ES file format detected"
>> I guess the format is not actually H264-ES but only contains it.
>> It would help to know what the format of the stream really is,
>> probably its detection should be prioritized over H264-ES.
>> -dumpstream should also work for getting us a sample of the problematic
>> stream so we can check what goes on and possibly improve
>> the H264-ES autodetection.
>> It might not be reproducible by playing the dumped file directly,
>> but it should be when piping the problematic file via a fifo
>> or stdin.
> Hi,
> I am not actually sure if the format is ES, but it is definitely H264. I 
> am using Nvidia Codec SDK to do the encoding. FFmpeg streams it via "... 
> -vcodec copy ... -f h264 http://ip:port".
> Here is a dropbox link to the dumped file from -dumpstream: 
> https://www.dropbox.com/s/0fvukbvwrkpbk9u/stream.dump?dl=0
> Playing the dumped file directly has no issue. Piping the dumped file 
> via stdin also has no issue.


I have played the stream this time with "-msglevel all=9". I keep 
getting the message "head_check failed" over and over.

Any idea what that is supposed to mean?

More information about the MPlayer-users mailing list