Acabei de receber a resposta do suporte do Boinx.
Segue ela na íntegra:
Hello Jose
e.g. the Grassvalley ADVC-HD50 (
http://www.grassvalley.com/products/advc-hd50) does that, also the Matrox MXO2 Mini if your MacBookPro has a expresscard slot.
If HD works smooth depends completely on your hardware configuration. To be honest, we don't recommend HD at the moment beacuse the graphics cards are not really fast enough. On a current MacPro with an ATI Radeon HD 5870 I managed to get two progressive HD streams in 720p running, but the machine is prety busy with that alone. So right now we recommend PAL/NTSC Widescreen as a maximum.
I'd say that using HD sources is not going to work too well with a MacBookPro.
Best regards,
Bastian Wölfle
Boinx Software Ltd.
Boas notícias, o produto existe, é esse do link acima e é necessário um MacBook Pro que tenha o ExpressCard, que são os modelos até Mid2008.
Porém podem perceber que eles recomendam não trabalhar em HD em um MacBook Pro devido às limitações das placas de vídeo.
Abs