[mythtv-users] Problem with 1080i h264 video - video appears to be twice as long as it should.
nick.rout at gmail.com
Tue Jun 2 20:56:27 UTC 2009
On Wed, Jun 3, 2009 at 5:29 AM, John P Poet <jppoet at gmail.com> wrote:
> On Tue, Jun 2, 2009 at 10:02 AM, Manuel McLure<manuel at mclure.org> wrote:
>> On Tue, Jun 2, 2009 at 12:06 AM, belcampo <belcampo at zonnet.nl> wrote:
>>> Manuel McLure wrote:
>>>> My TV provider (which uses IPTV) recently switched from MPEG2 to h264
>>>> streams, and since then I'm seeing a problem with new recordings. When
>>>> they're playing, Mythtv shows the length as being twice what it really
>>>> is - i.e. a recording from 5:00 to 6:00 shows as 1:59 in length. Also,
>>>> fast forwarding and rewinding as well as commercial skip don't work
>>>> correctly - sometimes a "skip forward" command will actually skip back
>>>> in the show.
>>> That's because it's interlaced material and ffmpeg libs until recently
>>> wasn't able to distinguish between field and frames. So that's why it
>>> doubles and seeking is a problem.
>> I'm building against ffmpeg 0.5 - what version do I need for this to
>> work correctly? Also, interlaced 1080i MPEG2 streams work fine - is
>> the ffmpeg limitation only applicable to h264 streams?
> Recording with Myth, right? The problem as actually with Myth's basic
> parsing of the H.264 stream during recording. This has been fixed in
> trunk, but is unlikely to be backported to the fixes branch.
May I ask why not? Surely this is truly a 'fix' ?
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