[mythtv] FFmpeg sync comming

[Matthew Grant]

Hi!

Please give me a day or two to get some local version control
happening.  As I am going to be dealing with a number of patches
against mythtv SVN trunk and producing my own system specific builds,
I want to be able to produce clean patches, and maybe even base my
MythTV builds against ffmpeg and ffmpeg-mt.

I am thinking of using git on my personal machine.  Could I please
have SVN access to the mythtv repository for my own branch(es)? This
is so I can push up working versions of my development work so that
fixes can be merged back into SVN trunk easily.  Or are good patches
enough for the meanwhile.

I want to make sure the patches that I process meet ffmpeg coding
standards.  We are all going to be better off.

Also, I have heard from Robert Swain <robert.swain at gmail.com> that he
is going to get this work merged upstream.  I can act as a test-bed
for these changes against NZ live DVB-T.  Is it easy to build MythTV
against  ffmpeg trunk instead of its internal copy of ffmpeg?

Cheers,

Matthew Grant

On Tue, Jul 7, 2009 at 12:39 PM, Jean-Yves Avenard<jyavenard at gmail.com> wrote:
> Hi
>
> 2009/7/7 Janne Grunau <janne-mythtv at grunau.be>:
>> Hi,
>>
>> I just want to give a little advance warning that I'm going to commit
>> FFmpeg sync in a couple of minutes.
>>
>> It's not extensively tested so a couple of minor things might be broken.
>> Usual configurations on x86 and x86_64 should work though (including
>> VDPAU and XvMC playback).
>
> Here are some videos that do not play nicely anymore after the ffmpeg resync.
>
> H264 files: plays too fast
> http://www.avenard.org/files/media/videotest/h264-latmaac-vdpau_corruption.mpg
>
> (there are some visual corruptions when using VDPAU, but there's a
> known fix for those)
>
> MPEG2: those two plays okay if you use libavformat/mpegts.c from ffmpeg trunk.
> Recording after High Quality mythtranscode.
> http://www.avenard.org/files/media/videotest/dodgyHDvideo.nuv
>
> Plain recording mpeg2 1080i recording:
> http://www.avenard.org/files/media/videotest/test-mpegts.mpg
>
> All those recordings played fine with either 0.21-fixes or trunk prior
> ffmpeg sync
>
> Hope this help
> Jean-Yves
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