[mythtv-users] Internal Player selecting the wrong audio track

[Robert McNamara]

On Wed, Jan 12, 2011 at 12:40 PM, John Finlay <finlay at moeraki.com> wrote:
> On 1/12/11 12:09 PM, Robert McNamara wrote:
>>
>> On Wed, Jan 12, 2011 at 11:31 AM, Nick Rout<nick.rout at gmail.com>  wrote:
>>>
>>> On Thu, Jan 13, 2011 at 6:11 AM, Robert McNamara
>>> <robert.mcnamara at gmail.com>  wrote:
>>>>
>>>> On Wed, Jan 12, 2011 at 8:46 AM, Joseph Fry<joe at thefrys.com>  wrote:
>>>>
>>>>> I could be wrong, but I believe it chooses the first appropriate audio
>>>>> track
>>>>> for your speaker configuration.  So if you have a 5.1 AC3 and a stereo
>>>>> AC3
>>>>> track and only two speakers, logically it will choose the stereo track.
>>>>> Unfortunately, in your case the stereo track is the commentary, not a
>>>>> downmix.  Not sure if there is a way to change that.
>>>>
>>>> This is incorrect.  MythTV will attempt to choose the best available
>>>> codec, with the greatest number of channels, in the highest bitrate,
>>>> in your frontend language.  Failing that, it will attempt to select
>>>> your guide language, and in the absence of language information, it
>>>> will attempt to select by best codec, bitrate, and number of channels.
>>>>  Codec selection does not take into account your speaker configuration
>>>> in any way.  If the wrong track is being selected, It is often a
>>>> mastering issue.
>>>>
>>>> DVD Playback is one place where everyone who cares about it absolutely
>>>> should be running .24.  Mark Kendall put more work into solidifying
>>>> DVD playback than anyone has done in many releases, and I daresay it's
>>>> more stable and reliable than it has been in a long time, if not ever.
>>>
>>> Funnily enough I see many problems described by other users with DVD
>>> iso playback in 0.24, including unencrypted isos not working over
>>> SG's, attempting to play an iso resulting in the system trying to play
>>> a physical DVD and others.
>>
>> If it accesses the physical DVD, then the image isn't unencrypted.
>>
> My experience with 0.24 playing dvd iso images has been not much improvement
> since 0.21.

Sorry that's been your experience-- My perspective as a developer has
been that you are the exception rather than the rule.

Virtually none of my unencrypted iso images will play from
> storage groups and even when playing iso images from an nfs mount the player
> has problems handling the menu navigation similar to problems I saw with
> 0.21 or just crashes the frontend. Unfortunately, I have no idea what
> information I should collect to help the developers debug the problems I'm
> seeing and the logging seems to have little useful information.

Better to let us determine what is or is not useful information.

Please debug crashes by providing a backtrace with debug
symbols/packages as explained here:

http://www.mythtv.org/wiki/Debugging

All DVD playback issue tickets should include logs with -v playback.

Robert