CN1909630A - Restoring method for automatic guidance function in personal videocorder system - Google Patents

Abstract

The invention relates to a method for using personal recorder, via 1394 port, to receive and store the automatic guide information from IEEE1394 device, wherein said inventive method comprises: if recognizing said IEEE1394, the start signal stored by automatic guide information will judge if it is in activated state; if it is activated, the information pack ID input by the 1394 port will judge if it is matched with the information pack ID; if they are matched, storing said stream; when the automatic guide information stored in the PVR system memory part is deleted, the stored stream, without decomposing system, will insert automatic guide message to improve the system reliability.

Description

The restoration methods of automatic guidance function in the personal video recorder system

[technical field]

The present invention is under the deleted situation of relevant homing information in the PVR system, utilizes 1394 ports to recover " restoration methods of automatic guidance function in the PVR system " of homing information.

[background technology]

Recently, along with extensively popularizing and advanced trend of surface wave receiving system, numerous in variety and baroque product comes out successively.Wherein the most attractive is exactly individual video video tape recorder (PVR, Personal Video Recorder).

PVR writes down the also personal digital video recorder of regenerating information on hard disk, different with the VCR that stores signal of video signal on tape, and it is to write down the also new ideas digital VTR of regenerating information on hard disk.Even do not having under the situation of VCR, this replacement catalog camera also can be by being built in the hard disk drive of set-top box or television set inside, carries out the performance recording of certain hour according to self capacity.

If selected channel, above-mentioned PVR system just is stored in hard disk drive with digital form the signal of current broadcast automatically and regenerates simultaneously.Therefore, if press pause button and then press the regeneration button again, the play signal that is stored just begins to regenerate once more from the time point that suspends.And can watch the program of current broadcast easily again or regenerate with slow motion, also can skip boring part and seek or edit the part of liking.

In above-mentioned PVR system, system makes usage be made of moving image and is stored in the hard disk, can also store in case of necessity to guarantee the homing information that at any time can watch.

When the homing information in the above-mentioned PVR system is eliminated, be exactly earlier hard disk to be separated from system with one of method of its recovery, be connected on the PC then and recover.

Also having a kind of method in addition is that utilization is equipped with identical with above-mentioned hard-disc storage information and " copying device " hard disk that capacity is identical, specification is identical duplicates DISK to Image.

But said method also exists problem, and that is exactly when the homing information of being stored in the PVR system stores portion disappears, if the words of utilizing said method to recover just will be disintegrated system inevitably.

[summary of the invention]

Therefore, purpose of the present invention just provides a kind of " recovering the method for automatic guidance function in the PVR system ".When the automatic guidance function in the reservoir was deleted, this method can be carried out perception to this and be recovered rapidly.

To achieve these goals, according to a side of the present invention, " restoration methods of automatic guidance function in the PVR system " of the present invention receives and stores the method for homing information from the IEEE1394 device by 1394 ports as the PVR system, it has following characteristics: in case identify the existence of above-mentioned IEEE1394 device, the enabling signal that homing information stores is just judged self whether being in state of activation, if being the enabling signal that homing information stores, above-mentioned judged result is in state of activation, whether the packet id of the stream of the above-mentioned 1394 ports input of process is just judged with the packet id of automatic directed flow is corresponding himself so, if above-mentioned judged result is the packet id of above-mentioned stream through 1394 ports inputs and the corresponding words of packet id of directed flow automatically, just above-mentioned stream is stored.

As mentioned above, when homing information stored in the PVR system stores portion is deleted, utilize " restoration methods of automatic guidance function in the PVR system " of the present invention under the prerequisite that system is disintegrated, to insert homing information, thereby improve the reliability of system.

And, utilize " restoration methods of automatic guidance function in the PVR system " of the present invention can consider that the capacity of hard disk promptly inserts automatic introductory content.

[description of drawings]

Fig. 1 is the recovery system schematic diagram based on automatic guidance function in the PVR system of desirable embodiment of the present invention.

Fig. 2 is the formation general block diagram that is used for setting homing information in constituting based on the PVR system of desirable embodiment of the present invention.

Fig. 3 is the method flow diagram that judges whether to store homing information in the PVR system based on desirable embodiment of the present invention.

Fig. 4 is the storage method flow chart based on the homing information of desirable embodiment of the present invention.

[embodiment]

Below with reference to accompanying drawings desirable embodiment of the present invention is elaborated.

Fig. 1 is the recovery system schematic diagram based on automatic guidance function in the PVR system of desirable embodiment of the present invention.

With reference to Fig. 1, whether PVR system 100 is in open mode to automatic guidance function in start-up system judges, and judges whether storing homing information in the reservoir.

If above-mentioned judged result is not have homing information in the above-mentioned reservoir, above-mentioned PVR system just activates the enabling signal that homing information stores.The enabling signal that above-mentioned homing information stores is to embody the signal whether homing information can be stored, and activates expression and can store homing information; Not activating then, expression there is no need maybe can not store homing information.

Above-mentioned PVR system 100 can identify above-mentioned IEEE1394 device 110 when linking to each other with IEEE1394 device 110 by 1394 ports.Whether above-mentioned then PVR system 100 just is in state of activation to the enabling signal of homing information is judged, and receives and store homing information from above-mentioned IEEE1394 device 110.

Fig. 2 is illustrated the PVR system that carries out above-mentioned action.

Fig. 2 is the formation general block diagram that is used for setting homing information in constituting based on the PVR system of desirable embodiment of the present invention.

With reference to Fig. 2, the PVR system comprises: IR acceptance division 200, control part 210, memory 220, tuner 230, demodulation section 240, demultiplexing portion 250, decoder 260, efferent 270, reservoir 280 and 1394 ports 290.

Above-mentioned IR acceptance division 200 is responsible for receiving the remote control mode information of user's selection and it is sent to control part 210.

Above-mentioned control part 210 is responsible for the remote control mode information that above-mentioned IR acceptance division 200 sends is analyzed, and the information that will analyze remote control mode then is sent in the relevant apparatus.

And if system is activated, whether so above-mentioned control part 210 just is in open mode to automatic guidance function is judged, judges whether storing homing information in the above-mentioned reservoir 280 simultaneously.

In addition, 210 pairs of above-mentioned control parts are discerned by the IEEE1394 devices that above-mentioned 1394 ports 290 connect, and the PID of the stream imported from above-mentioned IEEE1394 device by above-mentioned 1394 ports 290 is judged.If above-mentioned judged result assert that the PID of the above-mentioned stream that is transfused to is automatic directed flow, so above-mentioned control part 210 just is stored in above-mentioned stream in the above-mentioned reservoir 280.

Above-mentioned memory 220 comprises the flash memory that stores software such as operation system etc. and the DRAM (dynamic random access memory) that stores at the imaginary picture of the bitmap form that can embody at efferent.

The wireless signal that above-mentioned tuner 230 is responsible for being transmitted by antenna according to the analytical information of the selected remote control mode of user sends demodulation section 240 to, and above-mentioned demodulation section 240 is responsible for the wireless signal of sending out from above-mentioned tuner 230 is converted to the IF signal and sends demultiplexing portion 250 to.

Decomposite a plurality of information such as audio frequency, video and other data of handling through demultiplexing in the signals that above-mentioned demultiplexing portion 250 is responsible for sending out from above-mentioned demodulation section 240.

Decompose resulting audio frequency and vision signal in the above-mentioned demultiplexing of 260 pairs of the above-mentioned decoders portion 250, data-signal carries out decoding processing, and it can be watched by the user and listen to, export by efferent 270 then.

Above-mentioned reservoir 280 is responsible for the play signal of decomposing in the above-mentioned demultiplexing portion 250 and send out is stored.

And above-mentioned reservoir 280 also is responsible for storing the homing information that sends out from above-mentioned control part 210.

Above-mentioned 1394 ports 290 can be supported the interface of IEEE1394 device.

Fig. 3 is the method flow diagram that judges whether to store homing information in the PVR system based on desirable embodiment of the present invention.

With reference to Fig. 3, if system is activated, then whether the PVR system just is in open mode to automatic guidance function and judges step S302.

Be in open mode if the judged result of 302 steps is an automatic guidance function, whether so above-mentioned PVR system just is stored in reservoir to homing information is judged step S304.

Be stored in reservoir if the judged result of 304 steps is a homing information, so above-mentioned PVR system does not just activate the enabling signal that homing information stores, step S306.Do not activate the enabling signal of above-mentioned homing information storage and just represent to there is no need to carry out the storage of homing information.

After executing 306 steps, above-mentioned PVR system just begins normal operation, step S308.

Be not stored in reservoir if the judged result of 304 steps is homing informations, so above-mentioned PVR system just after activating the enabling signal that homing information stores, step S310, beginning is operation normally, step S308.Activate the enabling signal of above-mentioned homing information storage and just represent can or to be necessary to store homing information.

Be not in open mode if the judged result of 302 steps is automatic guidance functions, so above-mentioned PVR system just moves 306 steps.

Fig. 4 is the storage method flow chart based on the homing information of desirable embodiment of the present invention.

With reference to Fig. 4, if connected the IEEE1394 device, the PVR system just discerns the IEEE1394 device so, and judges whether to need to activate the enabling signal that homing information stores, step S402.

If the enabling signal that the judged result of 402 steps is homing informations to be stored is in state of activation, whether so above-mentioned PVR system just judges step S404 with the PID of automatic directed flow is corresponding to the PID of the stream imported.

If the judged result of 404 steps is that the PID of stream of above-mentioned input is corresponding with the PID of automatic directed flow, so above-mentioned PVR system is presented on the picture step S406 with regard to determining transfer rate and printed words that will " automatic guidance function recover in ".

Then, above-mentioned PVR system just is stored in the reservoir step S408 with above-mentioned automatic directed flow.At this moment, above-mentioned PVR system is stored in above-mentioned automatic directed flow on the storage location original in the above-mentioned reservoir.

If the enabling signal that the judged result of 402 steps is homing informations to be stored is in unactivated state, so above-mentioned PVR system just regenerates/records, step S410 the stream of importing.That is, if the enabling signal of homing information is in unactivated state, so above-mentioned PVR system just receives audio from above-mentioned IEEE1394 device, and above-mentioned audio is regenerated/stored.

If the judged result of 404 steps is that the PID of PID and automatic guidance function stream of the above-mentioned stream that is transfused to is not corresponding, so above-mentioned PVR system just moves 410 steps.

The technical scope of this invention is not limited to the content on the specification, and the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.

Claims (1)

1, the restoration methods of automatic guidance function in the personal video recorder system, described method is passed through 1394 ports received and stored homing information from the IEEE1394 device method as personal video recorder system, comprises following step:

If 1. identify above-mentioned IEEE1394 device, just whether the enabling signal that homing information is stored is in the step that state of activation is judged;

If the enabling signal that 2. above-mentioned judged result is a homing information to be stored is in state of activation, just to the packet id that passes through the stream that above-mentioned 1394 ports the are transfused to corresponding step of judging whether with the packet id of automatic directed flow;

If it is not corresponding with the packet id of directed flow automatically that 3. above-mentioned judged result is the packet id of the above-mentioned stream that is transfused to through 1394 ports, just the step that above-mentioned stream is stored.

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