diff options
Diffstat (limited to 'device.h')
| -rw-r--r-- | device.h | 20 |
1 files changed, 11 insertions, 9 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: device.h 1.68 2006/01/06 13:20:25 kls Exp $ + * $Id: device.h 1.69 2006/01/07 14:50:45 kls Exp $ */ #ifndef __DEVICE_H @@ -170,14 +170,16 @@ public: ///< Returns the card index of this device (0 ... MAXDEVICES - 1). int DeviceNumber(void) const; ///< Returns the number of this device (0 ... MAXDEVICES - 1). - virtual int ProvidesCa(const cChannel *Channel) const;//XXX PLUGINS.html!!! - //XXX describe changed functionality!!! - ///< Checks whether this device provides the given value in its - ///< caCaps. Returns 0 if the value is not provided, 1 if only this - ///< value is provided, and > 1 if this and other values are provided. - ///< If the given value is equal to the number of this device, - ///< 1 is returned. If it is 0 (FTA), 1 plus the number of other values - ///< in caCaps is returned. + virtual int ProvidesCa(const cChannel *Channel) const; + ///< Checks whether this device provides the conditional access + ///< facilities to decrypt the given Channel. + ///< Returns 0 if the Channel can't be decrypted, 1 if this is a + ///< Free To Air channel or only exactly this device can decrypt it, + ///< and > 1 if this device can decrypt the Channel. + ///< If the result is greater than 1 and the device has more than one + ///< CAM, the value will be increased by the number of CAMs, which + ///< allows to select the device with the smallest number of CAMs + ///< in order to preserve resources for other recordings. virtual bool HasDecoder(void) const; ///< Tells whether this device has an MPEG decoder. |