CN104185033A - Method, device and system for processing multiple images of television - Google Patents
Method, device and system for processing multiple images of television Download PDFInfo
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- CN104185033A CN104185033A CN201410387924.1A CN201410387924A CN104185033A CN 104185033 A CN104185033 A CN 104185033A CN 201410387924 A CN201410387924 A CN 201410387924A CN 104185033 A CN104185033 A CN 104185033A
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Abstract
The invention relates to the field of television applications, and discloses a method, a device and a system for processing multiple images of a television. The method comprises the steps of acquiring at least two video streams, carrying out compression and recoding on the video streams so as to generating additional video streams corresponding to the video streams, multiplexing the additional video streams to the corresponding video streams, adding information descriptions of the additional video streams to an EPG (electronic program guide) in the video streams so as to generate a multiplexing video stream, and sending the multiplexing video stream. According to the method, the device and the system disclosed by the invention, the user experience in multi-image browsing is improved, multi-image browsing channel switching is realized, and requirements for the decoding performance of a television terminal are reduced.
Description
Technical field
The present invention relates to television applications field, relate in particular to a kind of processing method, Apparatus and system of multiple frames of television.
Background technology
Digital television majority is in the market with previewing programs function, facilitates user to search oneself to like the television channel of watching.User starts after previewing programs function, digital television received television program information, in decoding and image processing process, decodes digital television programs information, comprise the Word message such as program inventory, reproduction time under channel, each channel, and play successively.The advantage of the method is the information that can check program that other channels are broadcast when watching selected program.Shortcoming is not directly perceived, and user can only obtain TV program information from Word message, and because number of channels is too much, spectators are difficult to find fast the own programme information of liking channel.
Even if some existing Digital Television has adopted multichannel picture processing capacity, but in the time that user starts this multichannel picture function, also can be from first channel, decode successively and process the video frequency program of each channel, and adopting the mode of many pictures to show on TV.But this many pictures are static images, only have current program of decoding playing in real time, program browsing effect is had a greatly reduced quality, and user experiences very general.
Summary of the invention
The invention provides a kind of processing method, Apparatus and system of multiple frames of television, solving existing television set, that many pictures are browsed to support is not high, affects the technical problem that user experiences.
The object of the invention is to be achieved through the following technical solutions:
A processing method for multiple frames of television, comprising:
Obtain at least two video flowings;
Described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams;
Send described multiplexing video flowing.
A processing method for multiple frames of television, comprising:
Obtain the PID of at least two additional video streams;
According to the PID of described at least two additional video streams, described at least two additional video streams are decompressed and decoded;
Decompression and decoded additional video streams are arranged in to many picture displies on video screen, browse for user.
A processing unit for multiple frames of television, comprising:
The first acquisition module, for obtaining at least two video flowings;
Compressed encoding module, compresses and recodes for the described video flowing that described the first acquisition module is obtained, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Multiplexing module, be multiplexed into corresponding described video flowing for the described additional video streams that described compressed encoding module is generated, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams;
Sending module, for sending described multiplexing video flowing.
A receiving system for multiple frames of television, comprising:
The second acquisition module, for obtaining the PID of at least two additional video streams;
Uncompressed encoding module, for the PID of described at least two additional video streams of obtaining according to described the second acquisition module, decompresses and decodes described at least two additional video streams;
Display module, for decompression and decoded additional video streams are arranged in to many picture displies at video screen, browses for user.
A treatment system for multiple frames of television, comprising: at least one many pictures dispensing device and picture receiving system more than, wherein,
Described many pictures dispensing device, for obtaining at least two video flowings; Described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency; Described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams; Send described multiplexing video flowing;
Described many pictures receiving system, for obtaining the PID of at least two additional video streams; According to the PID of described at least two additional video streams, described at least two additional video streams are decoded; Decoded additional video streams is arranged in to many picture displies on video screen, browses for user.
By processing method, the Apparatus and system of a kind of multiple frames of television provided by the invention, by obtaining at least two video flowings, described video flowing is compressed and recoded, to generate the additional video streams corresponding with described video flowing, described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing describes, to generate multiplexing video flowing, send described multiplexing video flowing.Promote user's experience that many pictures are browsed, realized browsing of many pictures and cut platform, reduced the requirement to television terminal decoding performance.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, also can obtain according to these accompanying drawings other accompanying drawing.
The application scenarios figure of the processing method of a kind of multiple frames of television that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the processing method of a kind of multiple frames of television that Fig. 2 provides for the embodiment of the present invention;
The flow chart of the processing method of the another kind of multiple frames of television that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the processing unit of a kind of multiple frames of television that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the receiving system of a kind of multiple frames of television that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of TV set control system that Fig. 6 provides for the embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
A kind of application scenarios figure of processing method of multiple frames of television is provided in the embodiment of the present invention, as shown in Figure 1, television program broadcasting sends front end 110 (can have the broadcast transmission front end of multiple TV programme in practical application), television terminal 120 (can be the display terminal with TV broadcasting function in practical application, for example: television set, mobile phone, PC, flat board etc.).
In order to make the technical scheme of the embodiment of the present invention clearer, below the technical term in television program video is simply described as follows:
EPG (Electronic Program Guide, electronic program guides)
PID (Packet Identifier, Packet Identifier)
PSI (Program Special Information, program specific information)
PMT (Program Map Table, Program Map Table)
PCR (Program Clock Reference, program clock reference)
Based on the application scenarios shown in Fig. 1, before sending front end 110 video flowing is sent with television program broadcasting, be treated to example, the processing method of a kind of multiple frames of television providing in the embodiment of the present invention is provided, as shown in Figure 2, the method comprises the steps:
Step 201, obtain at least two video flowings;
Step 202, described video flowing is compressed and recoded, to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Wherein, user is less demanding for the video resolution under many image modes and frame per second, therefore, in order to reduce bandwidth occupancy and codec burden, can described video be compressed and be recoded, it can have various ways, and final purpose is all the code check in order to reduce video flowing, for example: dwindle the resolution of described video flowing and/or reduce the frame per second of described video flowing and/or increase the compression ratio of described video flowing, to generate the additional video streams corresponding with described video flowing.
Step 203, described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing describes, to generate multiplexing video flowing;
Wherein, described information is described the PID Packet Identifier that comprises described additional video streams; The described information that increases described additional video streams in PMT Program Map Table in the PSI of described video flowing program specific information is described.For example adding in the following manner the information of additional video streams describes:
In addition, share for PCR (program clock reference) additional video and former video.
Step 204, send described multiplexing video flowing.
By the processing method of a kind of multiple frames of television provided by the invention, by obtaining at least two video flowings, described video flowing is compressed and recoded, to generate the additional video streams corresponding with described video flowing, described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing describes, to generate multiplexing video flowing, send described multiplexing video flowing.Promote user's experience that many pictures are browsed, realized browsing of many pictures and cut platform, reduced the requirement to television terminal decoding performance.
Based on the application scenarios shown in Fig. 1, what with television terminal 120, video flowing is received is treated to example, and the processing method of a kind of multiple frames of television providing in the embodiment of the present invention is provided, and as shown in Figure 3, the method comprises the steps:
Step 301, obtain the PID of at least two additional video streams;
Step 302, according to the PID of described at least two additional video streams, described at least two additional video streams are decompressed and are decoded;
Step 303, decompression and decoded additional video streams are arranged in to many picture displies on video screen, browse for user.
Wherein, the program search feature of TV need to increase the search link of program additional video streams.In program searching process, while often searching a television video program, need the privately owned description of additional video streams of extra pmt table of resolving this program, No. PID of storing this program additional video streams, therefore, before step 301, can also comprise:
Step 301-a, search for described additional video streams;
Wherein, described additional video streams is multiplexing in video flowing;
Step 301-b, the information of resolving the described additional video streams in the PMT in the PSI of described video flowing are described, and obtain and store the PID of described additional video streams
Wherein, described information is described the PID that comprises described additional video streams.
By the processing method of a kind of multiple frames of television provided by the invention, by obtaining the PID of at least two additional video streams, according to the PID of described at least two additional video streams, described at least two additional video streams are decompressed and decoded, decompression and decoded additional video streams are arranged in to many picture displies on video screen, browse for user.Promote user's experience that many pictures are browsed, realized browsing of many pictures and cut platform, reduced the requirement to television terminal decoding performance.
The embodiment of the present invention provides a kind of processing unit of multiple frames of television, and as shown in Figure 4, this device comprises:
The first acquisition module 410, for obtaining at least two video flowings;
Compressed encoding module 420, compresses and recodes for the described video flowing that described the first acquisition module 401 is obtained, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Multiplexing module 430, be multiplexed into corresponding described video flowing for the described additional video streams that described compressed encoding module 402 is generated, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams;
Sending module 440, for sending described multiplexing video flowing.
Wherein, described compressed encoding module 420, comprising:
Resolution adjustment unit 421, for dwindling the resolution of described video flowing;
And/or,
Frame per second adjustment unit 422, for reducing the frame per second of described video flowing;
And/or,
Compression ratio adjustment unit 423, for increasing the compression ratio of described video flowing.
Wherein, described Multiplexing module 430, comprising:
Multiplexing Unit 431, is multiplexed into corresponding described video flowing for the described additional video streams that described compressed encoding module is generated;
EPG processing unit 432, describes for the described information that increases described additional video streams in the PMT Program Map Table of the PSI of described video flowing program specific information.
Inventive embodiments also provides a kind of receiving system of multiple frames of television, and as shown in Figure 5, this device comprises:
The second acquisition module 510, for obtaining the PID of at least two additional video streams;
Uncompressed encoding module 520, for the PID of described at least two additional video streams of obtaining according to described the second acquisition module 510, decompresses and decodes described at least two additional video streams;
Display module 530, for decompression and decoded additional video streams are arranged in to many picture displies at video screen, browses for user.
Wherein, described device, can also comprise:
Search module 540, for searching for described additional video streams, wherein, described additional video streams is multiplexing in video flowing;
Parsing module 550, describes for the information of resolving the described additional video streams in the PMT of PSI of described video flowing, obtains and store the PID of described additional video streams, and described information is described the PID that comprises described additional video streams.
The embodiment of the present invention provides a kind for the treatment of system of multiple frames of television, and as shown in Figure 6, this system comprises: at least one many pictures dispensing device and picture receiving system more than, wherein,
Described many pictures dispensing device 610, for obtaining at least two video flowings; Described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency; Described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams; Send described multiplexing video flowing;
Described many pictures receiving system 620, for obtaining the PID of at least two additional video streams; According to the PID of described at least two additional video streams, described at least two additional video streams are decoded; Decoded additional video streams is arranged in to many picture displies on video screen, browses for user.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, can certainly all implement by hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Above the present invention is described in detail, has 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 (11)
1. a processing method for multiple frames of television, is characterized in that, comprising:
Obtain at least two video flowings;
Described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams;
Send described multiplexing video flowing.
2. method according to claim 1, is characterized in that, described described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, comprising:
Dwindle the resolution of described video flowing and/or reduce the frame per second of described video flowing and/or increase the compression ratio of described video flowing, to generate the additional video streams corresponding with described video flowing.
3. method according to claim 1 and 2, is characterized in that, the information that increases described additional video streams on described EPG TV Guide in described video flowing is described, and to generate multiplexing video flowing, comprising:
The described information that increases described additional video streams in PMT Program Map Table in the PSI of described video flowing program specific information is described.
4. a processing method for multiple frames of television, is characterized in that, comprising:
Obtain the PID of at least two additional video streams;
According to the PID of described at least two additional video streams, described at least two additional video streams are decompressed and decoded;
Decompression and decoded additional video streams are arranged in to many picture displies on video screen, browse for user.
5. method according to claim 4, is characterized in that, described in obtain the PID of at least two additional video streams before, also comprise:
Search for described additional video streams, wherein, described additional video streams is multiplexing in video flowing;
Resolve the information of the described additional video streams in the PMT in the PSI of described video flowing and describe, obtain and store the PID of described additional video streams, described information is described the PID that comprises described additional video streams.
6. a processing unit for multiple frames of television, is characterized in that, comprising:
The first acquisition module, for obtaining at least two video flowings;
Compressed encoding module, compresses and recodes for the described video flowing that described the first acquisition module is obtained, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency;
Multiplexing module, be multiplexed into corresponding described video flowing for the described additional video streams that described compressed encoding module is generated, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams;
Sending module, for sending described multiplexing video flowing.
7. device according to claim 6, is characterized in that, described compressed encoding module, comprising:
Resolution adjustment unit, for dwindling the resolution of described video flowing;
And/or,
Frame per second adjustment unit, for reducing the frame per second of described video flowing;
And/or,
Compression ratio adjustment unit, for increasing the compression ratio of described video flowing.
8. according to the device described in claim 6 or 7, it is characterized in that, described Multiplexing module, comprises
Multiplexing Unit, is multiplexed into corresponding described video flowing for the described additional video streams that described compressed encoding module is generated;
EPG processing unit, describes for the described information that increases described additional video streams in the PMT Program Map Table of the PSI of described video flowing program specific information.
9. a receiving system for multiple frames of television, is characterized in that, comprising:
The second acquisition module, for obtaining the PID of at least two additional video streams;
Uncompressed encoding module, for the PID of described at least two additional video streams of obtaining according to described the second acquisition module, decompresses and decodes described at least two additional video streams;
Display module, for decompression and decoded additional video streams are arranged in to many picture displies at video screen, browses for user.
10. device according to claim 9, is characterized in that, described device, also comprises:
Search module, for searching for described additional video streams, wherein, described additional video streams is multiplexing in video flowing;
Parsing module, describes for the information of resolving the described additional video streams in the PMT of PSI of described video flowing, obtains and store the PID of described additional video streams, and described information is described the PID that comprises described additional video streams.
The treatment system of 11. 1 kinds of multiple frames of televisions, is characterized in that, comprising: at least one many pictures dispensing device and picture receiving system more than, wherein,
Described many pictures dispensing device, for obtaining at least two video flowings; Described video flowing is compressed and recoded, and to generate the additional video streams corresponding with described video flowing, the code check of described additional video streams is less than the code check of described video frequency; Described additional video streams is multiplexed on corresponding described video flowing, and the information that increases described additional video streams on EPG TV Guide in described video flowing is described, to generate multiplexing video flowing, described information is described the PID Packet Identifier that comprises described additional video streams; Send described multiplexing video flowing;
Described many pictures receiving system, for obtaining the PID of at least two additional video streams; According to the PID of described at least two additional video streams, described at least two additional video streams are decoded; Decoded additional video streams is arranged in to many picture displies on video screen, browses for user.
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