CN1791204A - Continuous precontract video recording method in optical disk apparatus - Google Patents
Continuous precontract video recording method in optical disk apparatus Download PDFInfo
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- CN1791204A CN1791204A CN 200410089594 CN200410089594A CN1791204A CN 1791204 A CN1791204 A CN 1791204A CN 200410089594 CN200410089594 CN 200410089594 CN 200410089594 A CN200410089594 A CN 200410089594A CN 1791204 A CN1791204 A CN 1791204A
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Abstract
The invention relates to continual subscripted record method in CD, which comprises: on condition setting multiple subscripted record information, executing the first operation; then, searching and determining the startup time of the second subscripted record, if it within set time interval, continuing the operation; then, writing both the opposite playback control information of first and second subscripted record on special position of CD. This invention can prevent broadcast data missing effectively.
Description
(1) technical field
The present invention is the relevant continuous precontract video recording method that carries out in compact disk equipment, refer in particular in DVD recorder compact disk equipments such as (DVD-Recorder), when carrying out the operation of a plurality of subscription and video recordings at the appointed time continuously, can prevent the continuous precontract video recording method in a kind of compact disk equipment of data degradation.
(2) background technology
Recently, the CD of the video data that can imprinting high image quality for a long time and the voice data of high tone quality is imprinted CDs such as erasable DVD-RW and to be researched and developed successfully, and puts on market.Video data and voice data write store in the above-mentioned erasable DVD CD; In recent years, the compact disk equipment that can read broadcast such as DVD recorder (DVD-Recorder) is is also researched and developed success and is put on market.Erasable optical disk is inserted in the above-mentioned DVD recorder, when user's request is carried out the imprinting operation to data, video data and voice data from the outside input are carried out encoding process, file process is become prescribed form, be stored in the user data area (User Data Area) in the above-mentioned erasable DVD CD
On the other hand, in above-mentioned DVD recorder, request according to the user, end data imprinting work, this moment is in order to read the data flow that playback is duplicated, produce guidance information, comprised all kinds of Play Control information such as data format (Data Format), compression ratio (Compression Ratio), imprinting mode (Record Mode) and record unit-sized (VOBU Size) information.These guidance informations are stored in the user data area (User Data Area) in the erasable DVD CD.
In addition, in above-mentioned DVD recorder, according to user's request, when carrying out the data readback operation, the playback control information that is stored in the user data area in the above-mentioned erasable DVD CD will be detected, and the above-mentioned data flow that writes will be by the output of resetting.
On the other hand, be equipped with the DVD recorder (HDD+DVD-Recorder) that the DVD recorder, double as hard disk of the tuner (Tuner) of receiving broadcast signal are used recently, research and develop successfully, and be expected to input and commercially produce.In the above-mentioned DVD recorder that tuner (Tuner) is installed, when carrying out the subscription and video recording operation, be set to " 10:00～11:00 " such as the 1st subscription and video recording time, the 2nd subscription and video recording time was set to " 11:00～12:00 ", in the time of carrying out the 1st subscription and video recording, the associated station channel that selection needs, broadcast data stream has just write in the CD.
In addition, also produce and write the corresponding playback control information of data flow in the above-mentioned CD, this information begins to carry out above-mentioned the 2nd subscription and video recording operation after being written into CD.In the time of carrying out the 2nd video recording operation, the associated station channel that selection needs, broadcast data stream just writes and has stored in the CD.
Generate one with the corresponding playback control documents of data flow that in the 1st subscription and video recording operation, writes, this document writes after the CD, carries out the operation of the 2nd subscription and video recording once more.Consume the regular hour (such as 2 seconds) because start the 2nd subscription and video recording action need, after the 1st subscription and video recording EO, in the time of the 2nd subscription and video recording, will produce the problem that broadcast data stream can't write.
(3) summary of the invention
The objective of the invention is in order to address the above problem, provide a kind of in the DVD recorder of tuner compact disk equipments such as (DVD-Recorder) is housed, within certain time interval, carry out a plurality of subscription and video recording operations continuously, can be under the situation that does not stop to record a video, only regulate reservation broadcasting channel, the just continuous precontract video recording method in the compact disk equipment that broadcast data stream can be write incessantly.
It is feature that continuous precontract video recording method in the compact disk equipment of the present invention is divided into following three steps with its workflow: the 1st step, under the state that configures a plurality of subscription and video recording operation informations, start the 1st subscription and video recording operation process, after this operation is finished, retrieval also confirmed for the 2nd video recording time started, and this is a workflow of the present invention; The 2nd step, the 1st step confirmed for the 2nd subscription and video recording time started, if within certain time interval, the operation of the 2nd subscription and video recording is just carried out continuously; The 3rd step after above-mentioned the 2nd subscription and video recording operation is finished, with operation of the 1st subscription and video recording and the corresponding playback control information of the 2nd subscription and video recording operation recorded data stream, is written into the specific region of CD.
Effect of the present invention:
Continuous precontract video recording method in the compact disk equipment of the present invention carries out the operation of the 1st subscription and video recording under the state that is provided with a plurality of subscription and video recording information, after this EO, retrieve and confirm the time of the 2nd subscription and video recording operation beginning; If the 2nd subscription and video recording operation start time of above affirmation within certain time interval, is just carried out the operation of the 2nd subscription and video recording continuously; After operation was finished, recorded data stream in recorded data stream and the operation of the 2nd subscription and video recording to playback control information should be arranged, write this information respectively the specific region of CD respectively in the operation of the 1st subscription and video recording.The present invention is at compact disk equipment, for example include in the DVD recorder of tuner, within certain time interval, carry out a plurality of subscription and video recording operations continuously, need not to stop the video recording operation, only need to adjust the reservation broadcasting channel, just broadcast data stream can be write in the CD incessantly, after the video recording EO, in the certain hour before the next one video recording operation start, can effectively prevent the loss of broadcast data.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the structure chart that adopts the compact disk equipment of the continuous precontract video recording method among the present invention.
Fig. 2 is according to the present invention, writes the process schematic diagram of playback control information in filesystem information.
Fig. 3 is the relevant operational flowchart that has adopted the continuous precontract video recording method in the compact disk equipment of the present invention.
Fig. 4 is according to the present invention, the flow chart when recording occurring continuously the 1st subscription and video recording data flow and the 2nd subscription and video recording data flow.
The symbol description of major part in the accompanying drawing:
10: CD 11: light picker
12: digital video disk recorder system 13: microcomputer
14: catalogue diagram generating unit 15: memory
16: timer 17: tuner
(5) embodiment
Below in conjunction with accompanying drawing the execution mode of the continuous precontract video recording method in the compact disk equipment of the present invention being done one describes in detail.
Fig. 1 is a structure chart of using compact disk equipment of the present invention.This type of compact disk equipment is made of following several parts such as DVD recorder: light picker 11, digital video disk recorder (VDR:Video Disc Record) system 12, microcomputer 13, catalogue diagram generating unit 14, memory 15, timer 16 and tuner 17.Above-mentioned memory 15 can use flash memory (Flash Memory) or EPROM (Erasable Programmable Read Only Memory) non-volatility memorizers such as (EEPROM, Electrically Erasable Programmable Read Only Memory).
In addition, in above-mentioned microcomputer 13, according to user's requirement, start above-mentioned catalogue diagram generating unit 14, by the screen output menu bar of external connection apparatus such as television set, the user can be provided with the subscription and video recording information of liking by this menu bar.
Receive subscription and video recording information by above-mentioned menu bar input, broadcasting channel (Channel) information, subscription and video recording time started (Start Time) and subscription and video recording concluding time (EndTime) information liked such as the user, and with the information that receives as subscription and video recording information, storage administration is in above-mentioned memory 15.
In addition, in above-mentioned microcomputer 13, if the present moment that is shown by timer 16 is consistent with the time started of any one subscription and video recording in being stored in above-mentioned memory 15, above-mentioned tuner 17 and digital video disk recorder VDR system 12 just start working, and broadcast data stream is with regard to the user data area (User Dater Area) of the CD 10 that places in the writing station.Generate and the corresponding playback control information of above-mentioned broadcast data stream, be stored in the above-mentioned memory 15, simultaneously after above-mentioned subscription and video recording operation is finished, the next subscription and video recording time started is retrieved and confirms, this moment is in above-mentioned microcomputer 13, if the subscription and video recording time started of confirming is in Preset Time, only broadcasting channel is changed adjusting, just be stored in the memory with the information of corresponding expression time PTS of channel alteration time (Presentation Time tamp), video recording operation does not simultaneously stop yet.
In addition, in above-mentioned microcomputer 13, as shown in Figure 2, Fig. 2 is according to the present invention, in filesystem information, write the process schematic diagram of playback control information, after the subscription and video recording operation is finished continuously, continuous recording data flow is the benchmark Classification Management with PTS (Presentation Time tamp), the playback control information that the while data flow is corresponding respectively, comprise data format (Data Format), compression ratio (Compression Ratio), all kinds of Play Control information such as imprinting mode (Record Mode) and record unit-sized (VOBU Size) information, as filesystem information (File System Information), be stored in the user data area (User Data Area) in the CD.Relevant with this operation is described in detail as follows:
Fig. 3 is the flow chart of doing that carries out subscription and video recording in compact disk equipment continuously shown in the present.
S10, the the 1st and the 2nd subscription and video recording information stores that the user selectes is under the state of above-mentioned memory 15, set subscription and video recording standby mode (the 1st subscription and video recording information is carried out storage administration), in above-mentioned microcomputer 13, constantly confirmed the present moment that timer is counted.
S11, above the present moment confirmed, judge whether to be the 1st subscription and video recording information operating time started.If do not arrive, flow process is got back to S10.
S12, if arrived in the 1st subscription and video recording above-mentioned microcomputer 13 zero hour that is stored in the memory broadcasting channel of the 1st subscription and video recording information confirmed after, start above-mentioned tuner, selected relevant broadcasting channel;
The above-mentioned digital video disk recorder of start-up operation system 12 copies to relevant broadcast data stream in the CD 10.
In addition, for the playback controls broadcast data stream, produce guidance information in the above-mentioned microcomputer 13, this information comprises all kinds of Play Control information such as data format (Data Format), compression ratio (Compression Ratio), imprinting mode (Record Mode) and record unit-sized (VOBU Size) information, is stored in the above-mentioned memory 15.
S13 on the other hand, judges whether above-mentioned the 1st subscription and video recording operation is finished.
S15, if above-mentioned the 1st subscription and video recording operation is finished, 13 pairs of above-mentioned microcomputers are stored in the 2nd subscription and video recording in the memory 15 and check the zero hour and confirm, for instance, the 2nd subscription and video recording zero hour of confirming, if since time interval of the 1st subscription and video recording EO to the 2 subscription and video recordings in certain hour (such as 2 seconds).
S16, at this moment, need to judge since time interval of the 1st subscription and video recording EO to the 2 subscription and video recordings whether within certain hour.
S17, if since the time interval of the 1st subscription and video recording EO to the 2 subscription and video recordings be within certain hour, under the state that does not stop the subscription and video recording operation, after the broadcasting channel of above-mentioned the 2nd subscription and video recording information confirmed, start above-mentioned tuner 17, select relevant broadcasting channel; Start above-mentioned digital video disk recorder system 12, relevant broadcast data stream is write in the CD 10.
S18, in addition, in above-mentioned microcomputer 13, the 2nd subscription and video recording start-up time point corresponding a record position, PTS (Presentation Time tamp) is exactly an information of discerning this record position; In the operation of the 2nd subscription and video recording, write down and stored broadcast data stream, information and above-mentioned PTS information to this data flow is carried out playback and control write and store in the above-mentioned memory 15.
S19 judges whether the operation of the 2nd subscription and video recording finishes.
After having carried out operation of the 1st subscription and video recording and the operation of the 2nd subscription and video recording continuously, in above-mentioned microcomputer 13, with PTS (the Presentation Time tamp) information that is stored in the memory 15 is benchmark, respectively recorded data in recorded data stream in the operation of the 1st subscription and video recording and the operation of the 2nd subscription and video recording is flow to line pipe and manages.
S20, if the operation of the 2nd subscription and video recording finishes, in addition, with reference to Fig. 2, as previously mentioned, the Play Control information that has write in the memory 15 as filesystem information, is recorded separately in the user data area (User Dater Area) of CD.In addition, if in step S16 the time interval since the 1st subscription and video recording EO to the 2 subscription and video recordings be not within certain hour, directly enter step S20.
Thus, the different data streams that is write down by the operation of the 1st and the 2nd subscription and video recording is write above-mentioned CD 10 continuously.For instance, as shown in Figure 4, the video time of the 1st subscription and video recording is set at " 10:00～11:00 ", the video time of the 2nd subscription and video recording is set at " 11:00～12:00 ", and after the operation of the 1st subscription and video recording was finished, the operation of the 2nd subscription and video recording began immediately.Therefore, the video recording operation in the stipulated time before restarting (such as 2 minutes), can effectively prevent the loss (DataLoss) of broadcast data after finishing.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (6)
1, the continuous precontract video recording method in a kind of compact disk equipment is characterized in that comprising:
The 1st step under the state that is provided with a plurality of subscription and video recording information, is carried out the operation of the 1st subscription and video recording, after this EO, retrieves and confirm the time of the 2nd subscription and video recording operation beginning;
The 2nd step is operated if the 2nd subscription and video recording operation start time of above affirmation within certain time interval, is just carried out the 2nd subscription and video recording continuously; The 3rd step, after the 2nd video recording operation is finished, recorded data stream in recorded data stream and the operation of the 2nd subscription and video recording in the operation of the 1st subscription and video recording, producing respectively has corresponding playback control information, this information is write the specific region of CD respectively.
2, the continuous precontract video recording method in the compact disk equipment as claimed in claim 1 is characterized in that:
In described the 1st step, corresponding playback control information has been given birth in the miscarriage of described the 1st subscription and video recording operation recorded data, is stored in the non-volatility memorizer of device inside.
3, the continuous precontract video recording method in the compact disk equipment as claimed in claim 1 is characterized in that:
In described the 2nd step, if the moment of the 2nd subscription and video recording of described affirmation operation beginning is within certain time interval, promptly finishing the back from data write operation within the time interval of new recording start, this moment, the operation of the 2nd subscription and video recording was just carried out continuously, and the information of discerning the expression time of the 2nd subscription and video recording starting position point simultaneously also is stored in the interior non-volatility memorizer of device.
4, the continuous precontract video recording method in the compact disk equipment as claimed in claim 1 is characterized in that:
In described the 3rd step, after described the 2nd subscription and video recording EO, recorded data stream in recorded data stream and the operation of the 2nd subscription and video recording in the operation of the 1st subscription and video recording, producing respectively has corresponding playback control information, is used as the user area that filesystem information is write CD respectively.
5, the continuous precontract video recording method in the compact disk equipment as claimed in claim 1 is characterized in that:
Comprise in the following information one or several in the described playback control information: data format, compression ratio, imprinting mode and record unit size information.
6, the continuous precontract video recording method in the compact disk equipment as claimed in claim 1 is characterized in that:
Described CD is erasable DVD CD;
Described compact disk equipment is a DVD recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410089594 CN1791204A (en) | 2004-12-15 | 2004-12-15 | Continuous precontract video recording method in optical disk apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410089594 CN1791204A (en) | 2004-12-15 | 2004-12-15 | Continuous precontract video recording method in optical disk apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN1791204A true CN1791204A (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410089594 Pending CN1791204A (en) | 2004-12-15 | 2004-12-15 | Continuous precontract video recording method in optical disk apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7711243B2 (en) | 2005-01-06 | 2010-05-04 | Lg Electronics Inc. | Method and apparatus for consecutively recording broadcast programs |
| CN110519477A (en) * | 2006-06-23 | 2019-11-29 | 埃科360公司 | Embedded equipment for multimedia capture |
-
2004
- 2004-12-15 CN CN 200410089594 patent/CN1791204A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7711243B2 (en) | 2005-01-06 | 2010-05-04 | Lg Electronics Inc. | Method and apparatus for consecutively recording broadcast programs |
| CN1856068B (en) * | 2005-01-06 | 2012-07-18 | Lg电子株式会社 | Method and apparatus for consecutively recording broadcast programs |
| CN110519477A (en) * | 2006-06-23 | 2019-11-29 | 埃科360公司 | Embedded equipment for multimedia capture |
| CN110519477B (en) * | 2006-06-23 | 2023-01-10 | 埃科360公司 | Embedded device for multimedia capture |
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