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

Steve Lhomme steve.lhomme
Mon Mar 13 18:45:27 CET 2006

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 

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