[Ffmpeg-devel] [ bug ] converting png to dv gives solid black

Måns Rullgård mru
Mon Mar 13 20:48:32 CET 2006

Steve Lhomme <steve.lhomme at free.fr> writes:

> M?ns Rullg?rd wrote:
>> Erik Slagter said:
>>> On Mon, 2006-03-13 at 14:11 +0100, Michael Niedermayer wrote:
>>>>> I really hope this silly technical artifact dies very soon, as will NTSC
>>>>> (and PAL and SECAM).
>>>> iam surely in favor of having */1001 and interlacing killed but for
>>>> existing videos which have been sampled at */1001 interlaced theres
>>>> no choice, you cant losslessly convert them to progressive integer fps
>>> I'd suggest broadcasting everything in 30 fps and upsample the audio
>>> accordingly, just like movie -> B/G conversion. The difference is even
>>> less...
>> In fact, 3:2 telecined material would run at the correct rate rather
>> than
>> slightly slow as is the case today.
>>> I am sure conventional analogue TV sets can display 30 fps
>>> equally well as 30000/1001 fps.
>> The reason for using 30000/1001 fps remains as long as NTSC TV sets
>> are in use.
> IIRC analog broadcasting will stop in the USA in 2012 (or something
> like that).

Could be, but they won't be destroying all the old TV sets just
because of that.

M?ns Rullg?rd
mru at inprovide.com

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