Problem playing MKV files

[fano]

I've seen problem reading mkv files... Mediaplayer simply hangs!!!

I think it is on all files with mkv extension... i tried a 720p file and a SD file... same result!

This using Alpha1 release.

[dlmcpaul]

Can you supply a link to one of the problem files?

I have mkv files that play.

[fano]

Tonight seems the files that yesterday NOT plays... but they're slow as hell (but I'm in VESA) and no audio is played (no AC3 passtrhougt maybe?)

I'm using the S/PDIF connection of an Creative Audigy so I think the AC3 tracks must be passed "as is" to the receiver....

However if you interrupt the playing Mediaplayer hangs... gbd shows a lot of ??? (bad sign!) and then at the end:

#379 0x00930d3c in acquire_sem () from /boot/system/lib/libroot.so Previous frame inner to this frame (corrupt stack?)

An extract of the file (is only circa 30 sec but is 20 MB) follow soon...

It's a 720p h264 mkv with 3 AC3 audio track and 4 subs.

[fano]

This the problematic file: ​http://www.4shared.com/file/134374430/2eac5555/AKIRA_trailer_720p.html

[dlmcpaul]

Haiku does not have S/PDIF implemented so the only output is analog.

I have downloaded the file and will have a look. I have found a few mkv files that are problematic. Unfortunately the libmatroska code we use is a big blob of code and not easily followed.

[fano]

Well stereo audio is outputed... I think the bitstream that doesn't work! However is pretty difficult in Windows to do this, too (its default is to transform in stereo "prologic" audio).

[stippi]

In hrev38541, I've disabled the Matroska reader and enabled Matroska support in the FFmpeg plugin. Playback of MKV files is not perfect, specifically the audio will take a long time to catch up with the video after seeking, but support for MKV has improved significantly. Also I didn't observe anymore crashes with the FFmpeg plugin as with the Matroska reader. Since the linked stream specifically plays perfectly now, I consider this ticket fixed.