CN101335843A - Video playing apparatus and program recording method applying the same - Google Patents
Video playing apparatus and program recording method applying the same Download PDFInfo
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- CN101335843A CN101335843A CNA2007100152235A CN200710015223A CN101335843A CN 101335843 A CN101335843 A CN 101335843A CN A2007100152235 A CNA2007100152235 A CN A2007100152235A CN 200710015223 A CN200710015223 A CN 200710015223A CN 101335843 A CN101335843 A CN 101335843A
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Abstract
The invention discloses a video playback device, including: a receiving module, for receiving input signals; a processor module, for performing data processing to the received input signals and outputting them; a storage module, for storing the data output by the processor module; a real-time clock module, for generating clock signals when the video playback device is in standby; and a control module, for receiving program record command at least including REC start and stop time, and controlling the receiving module, the processor module and the storage module to stop or start working according to the time produced by the real time clock module. The implementation of the present invention can realize program REC of video playback device apparatus in standby state, provides more convenience for users, and simultaneously improves the safety of unattended program REC of television set, and also reduces the power loss expenditure of users. The invention also provides a program REC method of video playback device in the standby state.
Description
Technical field
The present invention relates to a kind of record device and method, relate in particular to a kind of playback equipment and method of program recording thereof of audio/video program.
Background technology
Along with the quickening of 3C convergence, also more and more to the requirement of television set.In the past, television set can be described as one does not have the handling audio-visual tool of saying most, the user can only follow the rhythm of TV station to walk passively, and most of television manufacturers also only have been placed on " allowing TV up to now seem more clear " to the focus of paying close attention to, seeing on the mode of TV that the change of internal is not all arranged in decades.
Given this, in the recent period some TV production firms have released the television set based on the performance recording function, can realize the functions such as " suspend and play ", " excellent playback ", " recording immediately ", " recorded broadcast is same puts " of program although it is so when the user watches TV programme.But, in case the user is because some other thing need be left television set, and have favorite television programs of users to broadcast during this period, then this moment, the user can only select to abandon watching of TV programme that oneself is liked, or television set was opened always and set performance recording time recording with the TV programme that realizes oneself is liked.But, it is evident that a kind of way in back needs television set still to open, and is not only dangerous under the unmanned state in room, and can cause the consumption of the energy, also a no small burden concerning the user.
Summary of the invention
Problem to be solved by this invention is to provide a kind of video playback apparatus and method of program recording, to be implemented in recording of program under the device standby state, reaches the purpose of energy savings.
In order to address the above problem, the present invention has at first proposed a kind of video playback apparatus, comprising:
Receiver module is used for receiving inputted signal;
Processor module, the input signal that is used for receiving carry out data processing and output;
Memory module is used for the data that storage processor module is exported;
Real-time clock module is used for clocking when described video playback apparatus standby;
Control module is used to receive comprise the performance recording instruction of recording the beginning and ending time at least and control described receiver module, processor module and memory module according to the time that described real-time clock module produces and stops or starting working.
Wherein, described programme signal is the transmission stream signal of audio frequency or video or audio frequency and video mixing, and described processor module carried out the demultiplexing processing to programme signal earlier before carrying out Data Format Transform.
Further, in video playback apparatus, also comprise modular converter, coding module; Described modular converter is used for the programme signal that described receiver module is received and carries out analog-to-digital conversion and output; Described coding module is used for the data of described modular converter output being encoded and exporting; The data of described processor module received code module output; The time that described control module produces according to described real-time clock module is controlled described modular converter and coding module and stops or starting working.
Optionally, described receiver module institute program receiving signal is the CVBS signal.
Further again, described memory module is a movable storage device, or the Flash memory; The preferred NAND of employing Flash memory is realized.
Further again, described processor module also is used to receive user's time adjustment instruction and according to this instruction the clock that described real-time clock module produced is adjusted.
Accordingly, the invention allows for a kind of method of program recording, may further comprise the steps:
A, reception comprise the performance recording instruction of recording the beginning and ending time at least;
B, time of producing of the real-time clock module of continuous firing still during according to standby, whether monitoring arrives the given zero-time of recording in the described record command, if arrive, and execution in step c then;
C, start receiver module and work on power, program receiving signal, and whether the real-time monitoring of time that produces according to real-time clock module arrive given recording the termination time in the described record command, if do not arrive, execution in step d then, otherwise, execution in step e;
D, the programme signal that receives among the step c is carried out Data Format Transform and exported memory device to;
E, end performance recording.
Wherein, described steps d further is refined as:
D1, the programme signal that receives described in the step c is carried out analog-to-digital conversion;
D2, with the signal encoding output of carrying out in the steps d 1 after the analog-to-digital conversion;
D3, dateout in the steps d 2 is carried out Data Format Transform and exported memory device to.
Further, described programme signal is the transmission stream signal of audio frequency or video or audio frequency and video mixing, and carries out in the described steps d earlier programme signal being carried out the demultiplexing processing before the Data Format Transform.
Optionally, the target memory of the storage operation in the described steps d can be movable storage device or Flash memory etc.; The preferred NAND of employing Flash memory is realized.
Implement the present invention and can realize the performance recording of display device under holding state, be more convenient for user's use, the fail safe that has also improved television set unattended operation program recording has simultaneously reduced the extra expenses that the user produces because of electric energy loss.
Description of drawings
Fig. 1 is the functional block diagram of an embodiment of a kind of video playback apparatus of the present invention;
Fig. 2 is the functional block diagram of an embodiment of real-time clock module among Fig. 1;
Fig. 3 is the functional block diagram of another embodiment of a kind of video playback apparatus of the present invention;
Fig. 4 is based on the flow chart of an embodiment of the method for program recording of video playback apparatus shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing and concrete real-time mode video playback apparatus proposed by the invention and the method for program recording of using this video playback apparatus are described in detail.
With reference to figure 1, illustrate the functional block diagram of an embodiment of video playback apparatus proposed by the invention.In the present embodiment, be CVBS (Composite VideoBroadcast Signal, Composite Video Broadcast Signal) signal with the programme signal that receives, and this video playback apparatus is that example describes with the television set, as shown in the figure, video playback apparatus 1 comprises:
Modular converter 12 is used for receiver module 11 received CVBS signals are carried out analog-to-digital conversion and output; In one embodiment of the invention, the simulated audio signal in the CVBS signal is converted to digital audio and video signals through modular converter 12, passes through I
2The output of S bus; Vision signal in the CVBS signal is converted to the output of YCbCr numeral color difference components signal through modular converter 12.Described YCbCr signal can be 10Bit4: 2: 2 YCbCr signal perhaps is the color difference components signal of other ratios or bit number, YCbCr signal of 4: 4: 4 etc. for example, and the present invention does not specifically limit this.
What deserves to be explained is, described processor module 14 can also will be stored behind the TS stream file demultiplexing that receive again, be mpeg data stream after memory encoding module 13 is encoded or AVS data flow etc., and this moment if following memory module 15 be external movable storage device, then the user can easily recorded program be dumped to watch among the PC or carry out other processing etc.
Real-time clock module 17 is used for clocking, and receives the clock adjustment instruction of described processor module 14; Described clock can just be provided with when television set dispatches from the factory, and perhaps is provided with or adjusts by the button of television set outside by the user.Described clock can be adjusted into the Beijing time of standard or other national time, and for example Chinese user will be recorded start-stop known program of Beijing time, and the Beijing time accurately that just sets in the time of then can appearing on the scene according to real-time clock module 17 records; If Chinese user will be recorded the live U.S. of Chinese TV platform time program, and do not know this moment Beijing time of its start-stop, and only know U.S.'s time of start-stop, then the user can adjust setting to carry out performance recording accurately to this real-time clock module 17 according to U.S.'s time.For the detailed structure of this real-time clock module 17, can describe with reference to figure 2 and corresponding character.In order to make television set still can realize the performance recording function at holding state, described real-time clock module 17 must still be in the pattern of working on power when the television set standby.
It should be noted that the function that described control module 16 is brought into play can be integrated among the CPU of TV SKD, promptly adopt existing C PU on the TV SKD to be used as control module 16 among the present invention,, reduce cost to simplify circuit structure.
With reference to figure 2, illustrate the functional block diagram of an embodiment of real-time clock module 17 among Fig. 1; As shown in the figure, comprise crystal oscillator 171, the clock timing chip 172 that is electrically connected with crystal oscillator 171, and power supply 174 and the battery 173 of giving described clock timing chip 172 power supplies, and described clock timing chip 172 all is electrically connected with described control module 16 and processor module 14, specifically can adopt I/O mouth or I
2The C bus mode connects.Wherein, described clock timing chip 172 is used to receive the time adjustment instruction of described processor module 14 outputs, with the requirement according to the user time is adjusted.Described power supply 174 can provide by the power panel of television set, and the effect that power supply 174 and battery 173 are set simultaneously is: when television set is in holding state, promptly have only the CPU of TV SKD to power on this moment, and remaining circuit all is in power-down state, promptly do not work, but for the performance recording beginning and ending time that supervisory user is set, just make its work for described clock timing chip 172 power supplies by described battery 173 this moment, provides the correct time guarantee thereby record for standby; On the other hand, when television set is in normal operating conditions, this moment described power supply 174 operate as normal, and described battery 173 just stops to have preserved electric weight to 172 power supplies of described clock timing chip.And, in another embodiment of the present invention, clock timing chip 172 detects the electric weight (this can realize by the positive voltage that detects battery 173) of battery 173 in real time, when being lower than the normal working voltage of clock timing chip 172, can charge this moment by 174 pairs of batteries 173 of described power supply.Wherein, for when adopting power supply 174 power supplies when to adopt battery 173 power supplies to realize by clock timing chip 172, this clock timing chip 172 is preferential selects power supplys 174 power supplies, when clock timing chip 172 detects power supply 174 and is in power-down state, then switches to battery 173 power supplies.In addition, all can adopt existing techniques in realizing,, no longer be described in detail at this because this part technology is very ripe for the charging circuit of described battery 173 (figure does not show).
Need to prove, the embodiment of real-time clock module 17 shown in Figure 2 is its preferable embodiment, it can certainly only adopt powered battery to realize the performance recording under the described television set holding state, though perhaps adopt above-mentioned power supply and powered battery, but described battery is rechargeable battery not, by changing battery or the like between the user at regular intervals.
With reference to figure 3, illustrate the functional block diagram of another embodiment of video playback apparatus proposed by the invention.In the present embodiment, be TS stream with the programme signal that receives, and be that example describes this video playback apparatus that as shown in Figure 3, video playback apparatus 3 comprises with the television set:
Equally, described processor module 32 can also will be stored behind the TS stream file demultiplexing that receive again, and this moment if following memory module 33 be external movable storage device, then the user can easily recorded program be dumped to watch among the PC or other processing etc.
Real-time clock module 35 is used for clocking, and the adjustment instruction that receives described processor module 32 was adjusted its time.For the detailed structure of this real-time clock module 35, can describe with reference to figure 2 and corresponding character.
Described control module 34 can adopt existing C PU realization on the TV SKD.
With reference to figure 4, illustrate workflow based on an embodiment of the method for program recording of video playback apparatus shown in Figure 1.As shown in Figure 4, may further comprise the steps:
S401 judges whether to arrive the performance recording zero-time of user's appointment, if arrive, and execution in step S402 then, otherwise, continue to wait for.Wherein, the performance recording zero-time is to obtain by the performance recording instruction that the user sends, and judges whether to arrive the described performance recording beginning and ending time, then can realize by judging the time that real-time clock module produced;
S402 activates each module in the described video playback apparatus, and it is worked on power; This step can be controlled to power to each module of described video playback apparatus and realize by control module;
S403, the program receiving signal; Promptly receive the CVBS signal in the present embodiment, this signal can be from the CVBS signal of the tuner of television set output, or comes from the CVBS signal etc. of Video Decoder output;
S404 carries out analog-to-digital conversion with the CVBS signal that receives among the step S403; Wherein, the simulated audio signal in the CVBS signal can be converted to digital audio and video signals, passes through I
2The S bus transfer; Vision signal in the CVBS signal can be converted to the output of YCbCr signal;
S405 is to carrying out the data after A output of encoding among the step S404; Data output after audio signal after being about to change and encoding video signal also will be encoded, wherein, after described coded system can adopt the MPEG2 coded system to described vision signal and coding audio signal, the form output of flowing again with TS; Certainly, described coded system is not limited to above-mentioned MPEG2 coded system, also can adopt the AVS coded system, and then with the form output of TS stream etc.;
S406 carries out Data Format Transform and storage to the TS stream signal of exporting among the step S405; Wherein, the concrete data converted form of wanting depends on transmission means, for example adopts the usb bus transmission, then is converted to the usb data form, also can adopt the pci bus transmission, thereby be converted to pci data form transmission etc.; In this step, with the storage after the described conversion in outside movable storage device, as portable hard drive, flash disk etc., or in storage and the built-in NAND Flash memory;
S407 judges whether to arrive performance recording termination time of user's appointment, if arrive, and execution in step S408 then, otherwise execution in step S403; Wherein, the performance recording termination time is to obtain by the performance recording instruction that the user sends, and judges whether to arrive the described performance recording termination time, can obtain by judging the time that real-time clock module produced;
S408 finishes this recording process.Wherein, end operation can cut off the power supply of each module in the described video playback apparatus by described control module, realizes to stop power supply.
It should be noted that, step S406 can also be the data behind the coding among the step S405 with described TS stream demultiplexing earlier, be MPEG2 data or AVS data etc., and then described MPEG2 data or AVS data etc. are carried out Data Format Transform, can be for this point with reference to described in the above-mentioned steps S406.
In the another one embodiment of method of program recording of the present invention, the programme signal that receives is to comprise audio frequency or video, the perhaps TS stream signal that all has of audio frequency and video, after receiving this TS stream signal, just directly it is stored in the memory module, perhaps also can be to be stored to again in the memory module after TS is flowed demultiplexing, promptly omit step S404 and the S405 of the described embodiment of Fig. 4.Because other processes and embodiment illustrated in fig. 4 all roughly the same, those skilled in the art can not sum up by performing creative labour by flow chart embodiment illustrated in fig. 4 and this section foregoing description and draw, therefore, the detailed process of present embodiment is not described in detail at this.
Above disclosed technological means only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this.Those skilled in the art can be integrated into the function of certain above-mentioned several module in the module fully, perhaps the function of certain module is finished by several modules respectively, perhaps several steps is combined into one, perhaps carry out thinner fractionation again, all should belong to equivalent variations of the present invention, still belong to the scope that the present invention is contained.
Claims (10)
1, a kind of video playback apparatus comprises:
Receiver module is used for receiving inputted signal;
Processor module, the input signal that is used for receiving carry out data processing and output;
It is characterized in that described video play device also comprises:
Memory module is used for the data that storage processor module is exported;
Real-time clock module is used for clocking when described video playback apparatus standby;
Control module is used to receive comprise the performance recording instruction of recording the beginning and ending time at least and control described receiver module, processor module and memory module according to the time that described real-time clock module produces and stops or starting working.
2, video playback apparatus according to claim 1 is characterized in that, described video playback apparatus also comprises modular converter and coding module; Described modular converter is used for the input signal that described receiver module is received and carries out analog-to-digital conversion and output; Described coding module is used for the data of described modular converter output being encoded and exporting; The data of described processor module received code module output; The time that described control module produces according to described real-time clock module is controlled described modular converter and coding module and stops or starting working.
3, video playback apparatus according to claim 1 and 2, it is characterized in that, described input signal is the transmission stream signal of audio frequency or video or audio frequency and video mixing, and described processor module carried out demultiplexing to input signal earlier before carrying out data processing handles.
4, video playback apparatus according to claim 3 is characterized in that, described input signal is the CVBS signal.
5, video playback apparatus according to claim 1 and 2 is characterized in that, described memory module is a movable storage device, or the Flash memory.
6, video playback apparatus according to claim 1 and 2 is characterized in that, described processor module also is used to receive user's time adjustment instruction and according to this instruction the clock that described real-time clock module produced is adjusted.
7, a kind of method of program recording may further comprise the steps:
A, reception comprise the performance recording instruction of recording the beginning and ending time at least;
B, time of producing of the real-time clock module of continuous firing still during according to standby, whether monitoring arrives the given zero-time of recording in the described record command, if arrive, and execution in step c then;
C, start receiver module and work on power, program receiving signal, and whether the real-time monitoring of time that produces according to real-time clock module arrive given recording the termination time in the described record command, if do not arrive, execution in step d then, otherwise, execution in step e;
D, the programme signal that receives among the step c is carried out Data Format Transform and exported memory device to;
E, end performance recording.
8, method of program recording according to claim 7 is characterized in that, described steps d further is refined as:
D1, the programme signal that receives described in the step c is carried out analog-to-digital conversion;
D2, with the signal encoding output of carrying out in the steps d 1 after the analog-to-digital conversion;
D3, dateout in the steps d 2 is carried out Data Format Transform and exported memory device to.
9, method of program recording according to claim 7, it is characterized in that, described programme signal is the transmission stream signal of audio frequency or video or audio frequency and video mixing, and carries out in the described steps d earlier programme signal being carried out the demultiplexing processing before the Data Format Transform.
According to arbitrary described method of program recording in the claim 7,8,9, it is characterized in that 10, the target memory of the storage operation in the described steps d is movable storage device or Flash memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100152235A CN101335843A (en) | 2007-06-26 | 2007-06-26 | Video playing apparatus and program recording method applying the same |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100152235A CN101335843A (en) | 2007-06-26 | 2007-06-26 | Video playing apparatus and program recording method applying the same |
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| CN101335843A true CN101335843A (en) | 2008-12-31 |
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| CNA2007100152235A Pending CN101335843A (en) | 2007-06-26 | 2007-06-26 | Video playing apparatus and program recording method applying the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917578A (en) * | 2010-08-26 | 2010-12-15 | 青岛海信电器股份有限公司 | Method and device for recording standby programs |
| CN104320689A (en) * | 2014-10-31 | 2015-01-28 | 东莞宇龙通信科技有限公司 | Remote control unit and terminal control method |
| CN105430530A (en) * | 2015-11-24 | 2016-03-23 | 上海熙菱信息技术有限公司 | Video stream forwarding method and system capable of avoiding network congestion and frame loss |
-
2007
- 2007-06-26 CN CNA2007100152235A patent/CN101335843A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917578A (en) * | 2010-08-26 | 2010-12-15 | 青岛海信电器股份有限公司 | Method and device for recording standby programs |
| CN101917578B (en) * | 2010-08-26 | 2012-12-12 | 青岛海信电器股份有限公司 | Method and device for recording standby programs |
| CN104320689A (en) * | 2014-10-31 | 2015-01-28 | 东莞宇龙通信科技有限公司 | Remote control unit and terminal control method |
| CN104320689B (en) * | 2014-10-31 | 2019-01-22 | 东莞宇龙通信科技有限公司 | Remote controler and terminal control method |
| CN105430530A (en) * | 2015-11-24 | 2016-03-23 | 上海熙菱信息技术有限公司 | Video stream forwarding method and system capable of avoiding network congestion and frame loss |
| CN105430530B (en) * | 2015-11-24 | 2019-05-03 | 上海熙菱信息技术有限公司 | A kind of video stream forwarding method and system avoiding network congestion and frame losing |
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Open date: 20081231 |