CN103686349A - Multi-screen interaction method and device, set-top box - Google Patents
Multi-screen interaction method and device, set-top box Download PDFInfo
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- CN103686349A CN103686349A CN201310740040.5A CN201310740040A CN103686349A CN 103686349 A CN103686349 A CN 103686349A CN 201310740040 A CN201310740040 A CN 201310740040A CN 103686349 A CN103686349 A CN 103686349A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multi-screen interaction method, a multi-screen interaction device, and a set-top box, applied to the technical field of multi-screen interaction. In some viable embodiments of the invention, the method comprises: when a request command of multi-screen interaction sent by a request end is received, transcoding and compressing transmission streams; cyclically storing the transcoded and compressed transmission streams into N cache pieces of an annular cache, wherein the states of the cache piece includes idle state, storing state and readable state in which storing is completed, and N is an positive integer more than or equal to 2; using the searched cache piece as the initial point of cyclic reading of the N cache pieces, when the state of the reading cache piece is changed from the storing state to the readable state in which storing is completed, reading the transmission stream in the cache piece, and sending to the request end. According to the technical scheme provided by the invention, time delay in multi-screen interaction is greatly reduced, and user experience is increased.
Description
Technical field
The present invention relates to multi-screen interactive technical field, be specifically related to a kind of method, device and Set Top Box of multi-screen interactive.
Background technology
Along with the appearance of multi-screen interactive function, this function that at present increasing Set Top Box is built-in, has enriched domestic consumer's experience effect.
In existing multi-screen interactive technology, the request of multi-screen interactive is proposed to Set Top Box by request end, Set Top Box end directly sends as the transport stream of mpeg standard form to request end, the demonstration of decoding of the transport stream of coming Set Top Box end to send mpeg standard form by self-contained CPU by request end, due to request end style and models weigh many, therefore when the self-contained CPU in request end is limited in one's ability, multi-screen interactive time postpone a meeting or conference greatlyr, the experience bringing to user is poor.
Practice finds, in existing multi-screen interactive technology, multi-screen interactive time postpone a meeting or conference greatlyr, the experience bringing to user is poor.
Summary of the invention
The embodiment of the present invention provides a kind of method, device and Set Top Box of multi-screen interactive, to solve in existing multi-screen interactive technology, multi-screen interactive time postpone a meeting or conference larger, the poor problem of experience of bringing to user.
First aspect present invention provides a kind of method of multi-screen interactive, comprising:
When receiving the request command of the multi-screen interactive that request end sends, transport stream is carried out to transcoding compression;
Transport stream after transcoding compression is circulated in order and deposits N buffer memory sheet of Circular buffer in, and the state of described buffer memory sheet comprises idle condition, and just in store status and store the complete state that can read, N is more than or equal to 2 positive integer;
Search in the buffer memory sheet under store status just;
The starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end.
Second aspect present invention provides a kind of device of multi-screen interactive, comprising:
Transcoding compression module, for when receiving the request command of the multi-screen interactive that request end sends, carries out transcoding compression by transport stream;
Memory module, for the transport stream after transcoding compression is circulated in order and deposits N buffer memory sheet of Circular buffer in, the state of described buffer memory sheet comprises idle condition, just in store status and store the complete state that can read, N is more than or equal to 2 positive integer;
Search module, for searching in the buffer memory sheet under store status just;
Read sending module, the starting point that the buffer memory sheet that is used for usining to find reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading is from just when store status becomes that storage is complete can read state, read the transport stream in buffer memory sheet, and send to described request end.
Third aspect present invention provides a kind of Set Top Box, and described Set Top Box comprises said apparatus.
Therefore, the embodiment of the present invention adopts Circular buffer, search in the buffer memory sheet under store status just, the starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading is from just when store status becomes that storage is complete can read state, read the transport stream in buffer memory sheet, and send to described request end, thereby can greatly reduce the time delay of multi-screen interactive, strengthened user's experience effect, solved in existing multi-screen interactive technology, multi-screen interactive time postpone a meeting or conference larger, the poor problem of experience of bringing to user.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention technical scheme, to the accompanying drawing of required use in embodiment and description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the basic flow sheet of the method for a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 2 is a sub-flow chart of the method for a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 3 is another sub-process figure of the method for a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 4 is the application scenarios illustration intention of the method for a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 5 is the Another Application scene illustration intention of the method for a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 6 is the basic logical structure schematic diagram of the device of a kind of multi-screen interactive of providing of the embodiment of the present invention;
Fig. 7 is another basic logical structure schematic diagram of the device of a kind of multi-screen interactive of providing of the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides the method for multi-screen interactive, to solve in existing multi-screen interactive technology, multi-screen interactive time postpone a meeting or conference larger, the poor problem of experience of bringing to user.The embodiment of the present invention also provides device and the Set Top Box of corresponding multi-screen interactive.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
Below by specific embodiment, be described in detail respectively.
Please refer to Fig. 1, the method for a kind of multi-screen interactive that the embodiment of the present invention provides, can comprise:
110, when receiving the request command of the multi-screen interactive that request end sends, transport stream is carried out to transcoding compression.
In some embodiments of the invention, request end is mobile terminal, specifically can be mobile phone, pad and PC terminal etc.User can by operation requests end to Set Top Box end send multi-screen interactive request command, Set Top Box end just carries out transcoding compression to transport stream after receiving the request command of multi-screen interactive.
In some embodiments of the invention, the request command of multi-screen interactive live request command or adopt the request command of mirror image mode or adopt the request command of DLNA mode.
In some embodiments of the invention, the form of transport stream before transcoding compression is MPEG (Moving Picture Experts Group, Motion Picture Experts Group) reference format can be to be specifically Moving Picture Experts Group-1 form, Moving Picture Experts Group-2 form, MPEG-4 reference format, MPEG-7 reference format or MPEG-21 reference format.
In some embodiments of the invention, can to transport stream, carry out transcoding compression by transcoder, the classification model of transcoder can be selected as required.In addition, can be by the speed that arranges to control transcoding compression of transcoder, and the speed of transcoding compression also can affect accordingly storage, search and read the speed of transmission.
In some embodiments of the invention, describedly transport stream carried out to transcoding compression comprise:
Transport stream is carried out to the transport stream that transcoding is compressed into H264 form.
Can adopt H264 transcoder, transport stream transcoding is compressed into the transport stream of H264 form, by adopting H264 transcoder, compression ratio is higher than common transcoder.
At present transport stream comparatively common format be Moving Picture Experts Group-2 form, therefore transport stream is carried out to the step that transcoding is compressed into the transport stream of H264 form and can be more specifically: Moving Picture Experts Group-2 format transport stream is carried out to the transport stream that transcoding is compressed into H264 form.
120, the transport stream after transcoding compression is circulated in order and deposits N buffer memory sheet of Circular buffer in, the state of described buffer memory sheet comprises idle condition, and just in store status and store the complete state that can read, N is more than or equal to 2 positive integer.
When the state variation of buffer memory sheet, revise accordingly the state of buffer memory sheet, and can carry out with corresponding symbol three states of tag cache sheet.
Please refer to Fig. 2, in some embodiments of the invention, circulate the in order step of N buffer memory sheet depositing Circular buffer in of the transport stream after transcoding compression comprised:
1201, the transport stream after transcoding compression is deposited sequentially successively in to N buffer memory sheet of Circular buffer.
1202, when the state of all buffer memory sheets be storage complete can read state time, empty N buffer memory sheet of the described Circular buffer that resets, return to step 1201, start next circulation.
Wherein, after emptying N buffer memory sheet of the described Circular buffer that resets, the recovering state of all buffer memory sheets is to idle condition.
In some embodiments of the invention, N buffer memory sheet differs in size or equates, equates for preferred version.When N buffer memory sheet equal and opposite in direction, more easily implement.
In some embodiments of the invention, the size of described buffer memory sheet is no more than the difference in network data frame and network packet header.
For example, the size of current network data frame is 1500 bytes, and the size in IP packet header is 20 bytes, and the size in UDP packet header is 8 bytes, and the size of buffer memory sheet is no more than 1500-20-8=1472 byte so.
Because the size of buffer memory sheet is no more than the difference in network data frame and network packet header, so can facilitate Internet Transmission like this, without again the transport stream in buffer memory sheet being split to adjustment, can conveniently give out a contract for a project, save the shared time of network packetization.
In some embodiments of the invention, in described buffer memory sheet, the data of storage comprise length byte and transport stream data packet.The size of transport stream data packet and quantity can arrange as required.
For example, in buffer memory sheet, the data of storage can comprise: length+7 of a 1 byte transport stream data packet.Wherein the size of transport stream data packet is 188 bytes, and 1+7*188=1317 byte, approaches but do not surpass 1472 bytes like this.When the quantity of transport stream data packet is few, the size of its transport stream data packet just can correspondingly increase, and when the quantity of transport stream data packet is many, the size of its transport stream data packet just can correspondingly reduce.
130, search in the buffer memory sheet under store status just.
Please refer to Fig. 3, in some embodiments of the invention, described in search in the buffer memory sheet under store status just and comprise:
310, inquire about the state of described N first buffer memory sheet of buffer memory sheet;
If the state of 320 first buffer memory sheets for just in store status, first buffer memory sheet for to search in the buffer memory sheet under store status just; Or,
If the state of 330 first buffer memory sheets is the complete state that can read of storage, search the state of last buffer memory sheet.
3301, when last buffer memory sheet is idle condition, adopt binary search method or adopt and take the method that last buffer memory sheet searches as starting point backward, searching in the buffer memory sheet under store status just;
3302, when last buffer memory sheet can read state for storage is complete, empty the described Circular buffer that resets, the state of waiting for first buffer memory sheet just becomes when store status, will just become at first buffer memory sheet of store status as in the buffer memory sheet under store status just;
3303, when last buffer memory sheet is just during the buffer memory sheet under store status, last buffer memory sheet for to search in the buffer memory sheet under store status just.
If the state of 340 first buffer memory sheets is idle condition, illustrate Circular buffer just emptied reset complete, when the state of first buffer memory sheet becomes just in store status, first buffer memory sheet be to search in the buffer memory sheet under store status just.
In some embodiments of the invention, when Set Top Box receives the request command of the multi-screen interactive that request end sends, first-selected meeting be carried out transcoding compression by transport stream, then the transport stream after transcoding compression is circulated in order and deposits first buffer memory sheet of Circular buffer, second buffer memory sheet, the 3rd buffer memory sheet etc. in.When transport stream is filled with in first buffer memory sheet, can deposit in order in next buffer memory sheet, after to the last a buffer memory sheet is also filled with, empty reset Circular buffer, again circulation storage in order.Wherein, while not storing transport stream in buffer memory sheet, the state of buffer memory sheet is idle condition, can be designated as IDLE, when transport stream is when storing in buffer memory sheet, the state of buffer memory sheet is for just in store status, can be designated as SAVING, when buffer memory sheet is filled with, the state of buffer memory sheet, for the complete state that can read of storage, can be designated as READ.
Be appreciated that, in all buffer memory sheets, when a moment, only has at most a buffer memory sheet in just under store status SAVING, therefore as long as find in the buffer memory sheet under store status SAVING just, the starting point that the buffer memory sheet that just can find reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading is when store status SAVING becomes the complete readable state READ of storage, read in time the transport stream in buffer memory sheet, and send to described request end, just can greatly reduce the time delay that request end obtains transmission fluxion, thereby reduce the time delay of multi-screen interactive, strengthen user's experience effect.
140, using the starting point that the buffer memory sheet that finds reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end.
In some embodiments of the invention, when the transport stream receiving when request end reaches 1 frame, just by the player in request end, decode and display the play.
Be appreciated that embodiment of the present invention such scheme is such as can specifically implementing at equipment such as Set Top Box.
The technical scheme providing for ease of better understanding the embodiment of the present invention is that example is introduced below by the execution mode under a concrete scene.
Please refer to Fig. 4 and Fig. 5, for example Circular buffer comprises 4 buffer memory sheets, is designated as successively first buffer memory sheet 410, second buffer memory sheet 420, the 3rd buffer memory sheet 430 and the 4th buffer memory sheet 440.
When Set Top Box receives the request command of the multi-screen interactive that request end sends, first-selected transport stream can be carried out to transcoding compression, then the transport stream after transcoding compression be circulated in order and deposit first buffer memory sheet 410 of Circular buffer, second buffer memory sheet 420, the 3rd buffer memory sheet 430 and the 4th buffer memory sheet 440 in.When transport stream is filled with in first buffer memory sheet 410, can be deposited in order in second buffer memory sheet 420, when second buffer memory sheet 420 is filled with, can be deposited in order in the 3rd buffer memory sheet 430, when the 3rd buffer memory sheet 430 is filled with, can be deposited in order in the 4th buffer memory sheet 440, when the 4th buffer memory sheet 440 is also filled with, empty all buffer memory sheets in reset Circular buffer, according to aforesaid order recirculation storage.Wherein, while not storing transport stream in buffer memory sheet, the state of buffer memory sheet is idle condition, can be designated as IDLE, when transport stream is when storing in buffer memory sheet, the state of buffer memory sheet is for just in store status, can be designated as SAVING, when buffer memory sheet is filled with, the state of buffer memory sheet, for the complete state that can read of storage, can be designated as READ.Be appreciated that in all buffer memory sheets, when a moment, to only have at most a buffer memory sheet in just under store status SAVING.As Fig. 5, if the 3rd, what constantly find is second buffer memory sheet 420 in the buffer memory sheet under store status SAVING just, can be at second buffer memory sheet 420 from just when store status SAVING state becomes the complete state that the can read READ of storage, read in time second transport stream in buffer memory sheet 420, and send to request end, and using second starting point that buffer memory sheet 420 reads and sends as circulation, transport stream in buffer memory sheet after the reading and sending that circulates successively, send after second buffer memory sheet 420, at the 3rd buffer memory sheet 430 from just when store status SAVING state becomes the complete state that the can read READ of storage, read in time the 3rd transport stream in buffer memory sheet 430, and send to request end, at the 4th buffer memory sheet 440 from just when store status SAVING state becomes the complete state that the can read READ of storage, read in time the 4th transport stream in buffer memory sheet 440, and send to request end.Empty reset Circular buffer.Wait for that first buffer memory sheet 410, from just when store status SAVING state becomes the complete state that the can read READ of storage, reads in time the transport stream in first buffer memory sheet 410, and sends to request end.Second buffer memory sheet 420, from just when store status SAVING state becomes the complete state that the can read READ of storage, reads in time second transport stream in buffer memory sheet 420, and sends to request end.So circulation is gone down.
Therefore, in feasible execution modes more of the present invention, by adopting Circular buffer, search in the buffer memory sheet under store status just, the starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end, thus can greatly reduce the time delay of multi-screen interactive, strengthened user's experience effect.
In order better to implement the such scheme of the embodiment of the present invention, be also provided for coordinating the relevant apparatus of implementing such scheme below.
Please refer to Fig. 6, the embodiment of the present invention provides a kind of device of multi-screen interactive, can comprise:
Read sending module 640, the starting point that the buffer memory sheet that is used for usining to find reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading is from just when store status becomes that storage is complete can read state, read the transport stream in buffer memory sheet, and send to described request end.
In some embodiments of the invention, described transcoding compression module 610, specifically for when receiving the request command of the multi-screen interactive that request end sends, carries out by transport stream the transport stream that transcoding is compressed into H264 form.
Please refer to Fig. 7, in some embodiments of the invention, described in search module 630 and comprise:
Judging unit 6302, if for the state of first buffer memory sheet for just when the store status, judge first buffer memory sheet for to search in the buffer memory sheet under store status just; Or, if the state of first buffer memory sheet is the complete state that can read of storage, search the state of last buffer memory sheet, when last buffer memory sheet can read state for storage is complete, at described Circular buffer, empty after reset, when the state of first buffer memory sheet becomes just in store status, judge first buffer memory sheet be to search in the buffer memory sheet under store status just; When last buffer memory sheet is just during the buffer memory sheet under store status, judge last buffer memory sheet be to search in the buffer memory sheet under store status just; Or, if the state of the first buffer memory sheet is idle condition, when the state of first buffer memory sheet becomes just in store status, judge first buffer memory sheet be to search in the buffer memory sheet under store status just.
The function of each functional module of device that is appreciated that the multi-screen interactive of the embodiment of the present invention can be according to the method specific implementation in said method embodiment, and its specific implementation process can, with reference to the associated description in said method embodiment, repeat no more herein.
Therefore, in feasible execution modes more of the present invention, by adopting Circular buffer, search in the buffer memory sheet under store status just, the starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end, thus can greatly reduce the time delay of multi-screen interactive, strengthened user's experience effect.
The embodiment of the present invention also provides a kind of Set Top Box, and described Set Top Box comprises above-mentioned device.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
To sum up, the method of embodiment of the present invention multi-screen interactive, device and Set Top Box, by adopting Circular buffer, search in the buffer memory sheet under store status just, the starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end, thus can greatly reduce the time delay of multi-screen interactive, strengthened user's experience effect.
It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other order or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the hardware that instruction is relevant to complete by program, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
The method of the multi-screen interactive above embodiment of the present invention being provided, the device of multi-screen interactive and Set Top Box are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a method for multi-screen interactive, is characterized in that, comprising:
When receiving the request command of the multi-screen interactive that request end sends, transport stream is carried out to transcoding compression;
Transport stream after transcoding compression is circulated in order and deposits N buffer memory sheet of Circular buffer in, and the state of described buffer memory sheet comprises idle condition, and just in store status and store the complete state that can read, N is more than or equal to 2 positive integer;
Search in the buffer memory sheet under store status just;
The starting point that the buffer memory sheet that finds of usining reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading from just store status become storage complete can read state time, read the transport stream in buffer memory sheet, and send to described request end.
2. method according to claim 1, is characterized in that: the size of described buffer memory sheet is no more than the difference in network data frame and network packet header.
3. method according to claim 2, is characterized in that: the equal and opposite in direction of described N buffer memory sheet; In described buffer memory sheet, the data of storage comprise length and 7 transport stream data packet of 1 byte, and the size of described transport stream data packet is 188 bytes.
4. method according to claim 1, is characterized in that: describedly transport stream is carried out to transcoding compression comprise:
Transport stream is carried out to the transport stream that transcoding is compressed into H264 form.
5. method according to claim 1, is characterized in that: described in search in the buffer memory sheet under store status just and comprise:
Inquire about the state of first buffer memory sheet in described N buffer memory sheet;
If the state of first buffer memory sheet for just in store status, first buffer memory sheet be to search in the buffer memory sheet under store status just; Or,
If the state of first buffer memory sheet is the complete state that can read of storage, search the state of last buffer memory sheet, when last buffer memory sheet is idle condition, adopt binary search method or adopt and take the method that last buffer memory sheet searches as starting point backward, search in the buffer memory sheet under store status just; When last buffer memory sheet can read state for storage is complete, at described Circular buffer, empty after reset, when the state of first buffer memory sheet becomes just in store status, first buffer memory sheet be to search in the buffer memory sheet under store status just; When last buffer memory sheet is just during the buffer memory sheet under store status, last buffer memory sheet be to search in the buffer memory sheet under store status just; Or,
If the state of the first buffer memory sheet is idle condition, when the state of first buffer memory sheet becomes just in store status, first buffer memory sheet be to search in the buffer memory sheet under store status just.
6. a device for multi-screen interactive, is characterized in that, comprising:
Transcoding compression module, for when receiving the request command of the multi-screen interactive that request end sends, carries out transcoding compression by transport stream;
Memory module, for the transport stream after transcoding compression is circulated in order and deposits N buffer memory sheet of Circular buffer in, the state of described buffer memory sheet comprises idle condition, just in store status and store the complete state that can read, N is more than or equal to 2 positive integer;
Search module, for searching in the buffer memory sheet under store status just;
Read sending module, the starting point that the buffer memory sheet that is used for usining to find reads as the circulation of N buffer memory sheet, when the buffer memory sheet reading is from just when store status becomes that storage is complete can read state, read the transport stream in buffer memory sheet, and send to described request end.
7. device according to claim 6, is characterized in that: the size of described buffer memory sheet is no more than the difference in network data frame and network packet header.
8. device according to claim 6, is characterized in that: described transcoding compression module, specifically for when receiving the request command of the multi-screen interactive that request end sends, carries out by transport stream the transport stream that transcoding is compressed into H264 form.
9. device according to claim 6, is characterized in that: described in search module and comprise:
Query unit, for inquiring about the state of described N first buffer memory sheet of buffer memory sheet;
Judging unit, if for the state of first buffer memory sheet for just when the store status, judge first buffer memory sheet for to search in the buffer memory sheet under store status just; Or, if the state of first buffer memory sheet is the complete state that can read of storage, search the state of last buffer memory sheet, when last buffer memory sheet can read state for storage is complete, at described Circular buffer, empty after reset, when the state of first buffer memory sheet becomes just in store status, judge first buffer memory sheet be to search in the buffer memory sheet under store status just; When last buffer memory sheet is just during the buffer memory sheet under store status, judge last buffer memory sheet be to search in the buffer memory sheet under store status just; Or, if the state of the first buffer memory sheet is idle condition, when the state of first buffer memory sheet becomes just in store status, judge first buffer memory sheet be to search in the buffer memory sheet under store status just.
10. a Set Top Box, is characterized in that: described Set Top Box comprises the device described in any one in claim 6 to 9.
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| CN201310740040.5A CN103686349B (en) | 2013-12-27 | 2013-12-27 | Multi-screen interaction method and device, set-top box |
| PCT/CN2014/088636 WO2015096538A1 (en) | 2013-12-27 | 2014-10-15 | Multi-screen interaction method and device, set-top box |
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| CN201310740040.5A CN103686349B (en) | 2013-12-27 | 2013-12-27 | Multi-screen interaction method and device, set-top box |
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| WO2015096538A1 (en) * | 2013-12-27 | 2015-07-02 | 深圳市九洲电器有限公司 | Multi-screen interaction method and device, set-top box |
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| CN105516796A (en) * | 2015-12-18 | 2016-04-20 | 深圳市九洲电器有限公司 | Multi-screen interaction management method and system of set top box |
| CN106572383A (en) * | 2015-10-12 | 2017-04-19 | 中国科学院声学研究所 | Video switching method and system based on multi-screen interaction |
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| CN103686349B (en) * | 2013-12-27 | 2017-04-12 | 深圳市九洲电器有限公司 | Multi-screen interaction method and device, set-top box |
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| WO2015096538A1 (en) * | 2013-12-27 | 2015-07-02 | 深圳市九洲电器有限公司 | Multi-screen interaction method and device, set-top box |
| CN104079987A (en) * | 2014-06-25 | 2014-10-01 | 深圳市视维科技有限公司 | HBBTV multi-screen interactive system based on digital TV set-top box and implementation method |
| WO2016029778A1 (en) * | 2014-08-27 | 2016-03-03 | 深圳市九洲电器有限公司 | Resource management method and system |
| CN106572383A (en) * | 2015-10-12 | 2017-04-19 | 中国科学院声学研究所 | Video switching method and system based on multi-screen interaction |
| CN105516796A (en) * | 2015-12-18 | 2016-04-20 | 深圳市九洲电器有限公司 | Multi-screen interaction management method and system of set top box |
| CN105516796B (en) * | 2015-12-18 | 2018-08-31 | 深圳市九洲电器有限公司 | set-top box multi-screen interactive management method and system |
Also Published As
| Publication number | Publication date |
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| WO2015096538A1 (en) | 2015-07-02 |
| CN103686349B (en) | 2017-04-12 |
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