On Thu, Jun 23, 2011 at 01:14:04PM -0400, Alan Stern wrote:
On Thu, 23 Jun 2011, Kirill Smelkov wrote:
At 480 Mb/s, each microframe holds 7500 bytes (less if you count
bit-stuffing). 4% of that is 300 bytes, which is not enough for a
512-byte bulk packet. I think you'd run into
On Wed, Jun 22, 2011 at 03:22:28PM -0400, Alan Stern wrote:
On Wed, 22 Jun 2011, Kirill Smelkov wrote:
There are cases, when 80% max isochronous bandwidth is too limiting.
For example I have two USB video capture cards which stream uncompressed
video, and to stream full NTSC + PAL
On Wed, Jun 22, 2011 at 10:35:44AM -0700, matt mooney wrote:
On 10:30 Wed 22 Jun , matt mooney wrote:
On 20:02 Wed 22 Jun , Kirill Smelkov wrote:
There are cases, when 80% max isochronous bandwidth is too limiting.
For example I have two USB video capture cards which stream
On Thu, 23 Jun 2011, Kirill Smelkov wrote:
At 480 Mb/s, each microframe holds 7500 bytes (less if you count
bit-stuffing). 4% of that is 300 bytes, which is not enough for a
512-byte bulk packet. I think you'd run into trouble trying to do any
serious bulk transfers on such a tight
There are cases, when 80% max isochronous bandwidth is too limiting.
For example I have two USB video capture cards which stream uncompressed
video, and to stream full NTSC + PAL videos we'd need
NTSC 640x480 YUV422 @30fps ~17.6 MB/s
PAL 720x576 YUV422 @25fps ~19.7 MB/s
isoc
On 20:02 Wed 22 Jun , Kirill Smelkov wrote:
There are cases, when 80% max isochronous bandwidth is too limiting.
For example I have two USB video capture cards which stream uncompressed
video, and to stream full NTSC + PAL videos we'd need
NTSC 640x480 YUV422 @30fps ~17.6 MB/s
On 10:30 Wed 22 Jun , matt mooney wrote:
On 20:02 Wed 22 Jun , Kirill Smelkov wrote:
There are cases, when 80% max isochronous bandwidth is too limiting.
For example I have two USB video capture cards which stream uncompressed
video, and to stream full NTSC + PAL videos we'd need
