[FFmpeg-user] Use of "-color_range"

[Thomas Worth]

On Tue, Jul 5, 2011 at 12:00 AM, Tim Nicholson <tim.nicholson at bbc.co.uk> wrote:
> On 05/07/11 07:49, Thomas Worth wrote:
>>>
>>> Mind you there is a lot of "broadcast" kit making things to the wrong
>>> spec.
>>> I know of one major application that outputs V210 YUV quicktimes in full
>>> range, and another that outputs RGB dpx's to reduced range......
>>
>> Blackmagic Design's DPX handling is a complete mess, if that's what
>> you're referring to. It's something that can't be fixed, either. Their
>> codecs ONLY handle broadcast range. That means DPX is always scaled
>> from broadcast to full range. If you attempt to capture full range
>> using a BM card, BM's software will clip to broadcast range, then
>> scale to full range for DPX output. As I said, complete mess. The only
>> way around it is to write your own capture app using their SDK.
>
> Not directly, although if that is the hardware they are using it may help
> account for it.

What is listed in the "creator" field of one of the DPX files?