Shiro ADSL 2/2+ Ethernet Modem Manual de usuario descargar pdf (Pagina 633)

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STLF-NA-TRD-REQ-7220 Support for IPC (Interprocess communication and semaphores). I - -

STLF-NA-TRD-REQ-7230 Support for Non volatile storage devices for booting system like

flash/RAM/ROM.

I - -

STLF-NA-TRD-REQ-7240 Support for Socket Unix. I - -

STLF-NA-TRD-REQ-7250 Standard support for hard disk and DVD-ROM devices. I - -

STLF-NA-TRD-REQ-7260 Support for Ethernet Devices at 10/100Mbps. I - -

STLF-NA-TRD-REQ-7270 Support for PCMCIA devices. I - -

STLF-NA-TRD-REQ-7280 Support for USB Webcam, Keyboards and mice. I - -

STLF-NA-TRD-REQ-7290 Support for virtual terminal on console. I - -

STLF-NA-TRD-REQ-7300 Support for framebuffer devices with 16,24 and/or 32 bits of color depth. I - -

STLF-NA-TRD-REQ-7310 Support for OSS interface. I - -

STLF-NA-TRD-REQ-7320 Support CRAMFS, NFS, ROMFS,RAMFS, EXT2/3 partitions. I - -

STLF-NA-TRD-REQ-7330 The platform must provide Linux DVB API, if hardware decoding is

considered.

I - -

STLF-NA-TRD-REQ-7340 When decoding via software, the decoding software must work over a

secondary video plane (the main one will be running web browser).

I - -

STLF-NA-TRD-REQ-7350 The platform must support two video planes. The mixing of the signal must

be done through a alpha parameter (Alphablending), or through a ColourKey

parameter (ColourKey).

In the first case, each of the points of the main plane has an alpha value

associated. This value ranges between all 0 (main plane visible) to all 1

(secondary plane visible). For intermediate values, a weighted average of the

values of the point in the two planes is used. The number of bits of the alpha

value will be 1 when using a colour space of 16 bits and 8 when using a

colour space of 32 bits.

In the second case, the colour key is used as "transparent" colour. The pixels

in the main plane with this colour will present the value of the secondary

plane. The value of the colour key must be configurable.

The main video plane must be visible in the Linux user region across a

framebuffer device. The secondary video plane, used for video decoding, will

be visible when the digital signal can’t be decoded with a special hardware.

I - -

STLF-NA-TRD-REQ-7360 The platform must implement antiflicker filters in the main plane in order to

avoid the flickering that it is produced on the TV (a interlaced device) when

graphics are displayed.

I - -

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