Opened 8 years ago

Closed 8 years ago

#10064 closed Bug Report - General (Unverified)

internal player vorbis error

Reported by: Matt Garman <matthew.garman@…> Owned by: markk
Priority: minor Milestone: unknown
Component: MythTV - Video Playback Version: 0.24-fixes
Severity: medium Keywords:
Cc: Ticket locked: no

Description

I've got several DVD rips that I've encoded with x264+ogg/vorbis (using MeGUI on Windows) that don't play in MythVideo? (using MythTV's internal player), but play fine in mplayer.

Steps to reproduce:

(1) Use MeGUI to encode a video, using Ogg/Vorbis? for audio (2) Try to play the video in MythTV (e.g. via MythVideo?)

The video will not play in Myth, and will generate a lot of vorbis errors, but plays fine in mplayer, without any errors or warnings (see attachments).

Attachments (3)

mythbackend_version.txt (830 bytes) - added by Matt Garman <matthew.garman@…> 8 years ago.
mythbackend --version info
myth_vorbis_errors.txt (1.7 KB) - added by Matt Garman <matthew.garman@…> 8 years ago.
front end log with vorbis errors
mplayer_ok.txt (1.1 KB) - added by Matt Garman <matthew.garman@…> 8 years ago.
mplayer on same file

Download all attachments as: .zip

Change History (6)

Changed 8 years ago by Matt Garman <matthew.garman@…>

Attachment: mythbackend_version.txt added

mythbackend --version info

Changed 8 years ago by Matt Garman <matthew.garman@…>

Attachment: myth_vorbis_errors.txt added

front end log with vorbis errors

Changed 8 years ago by Matt Garman <matthew.garman@…>

Attachment: mplayer_ok.txt added

mplayer on same file

comment:1 Changed 8 years ago by robertm

Status: newinfoneeded_new

We need a sample file. The errors you are seeing come from libavcodec, not myth itself-- it's entirely likely that the version of libav* compiled into the copy of mythtv you have has a bug whereas the version your mplayer is compiled against does not.

comment:2 Changed 8 years ago by Matt Garman <matthew.garman@…>

I'm unable to find an appropriately licensed (e.g. creative commons) video with which I can replicate this problem.

For what it's worth, the source DVD has Dolby 5.1 audio, and I'm encoding using MeGUI w/ogg vorbis for the audio. What I've found is that if I downmix to stereo (2.0 audio, for the audio encoding portion), the problem goes away. So it appears that it's a problem with Dolby 5.1 ogg encodes.

If anyone can point me to a CC video with Dolby 5.1 audio, I'll see if I can replicate it as per the original bug filing.

comment:3 Changed 8 years ago by Raymond Wagner

Resolution: Unverified
Status: infoneeded_newclosed

Using all internal MeGUI tools, recompressing a video to h264, 6-channel vorbis, and mkv, I am unable to reproduce this on Master. Closing until a sample is provided that exhibits these issues, or lacking that, MeGUI encoder settings that allow me to produce such a sample.

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