CN101345883A - Method for fast displaying multimedia broadcasting channel image - Google Patents
Method for fast displaying multimedia broadcasting channel image Download PDFInfo
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- CN101345883A CN101345883A CNA2008101467294A CN200810146729A CN101345883A CN 101345883 A CN101345883 A CN 101345883A CN A2008101467294 A CNA2008101467294 A CN A2008101467294A CN 200810146729 A CN200810146729 A CN 200810146729A CN 101345883 A CN101345883 A CN 101345883A
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Abstract
The invention discloses a method of fast displaying multimedia broadcast channel images, which can fast display still images of each channel played at present, to enable a user to fast obtain channel program information and select the interested channel program. The method comprises: a user automatically enters into an image browse mode through a functional key or before selecting a special channel program, a terminal decodes a real-time still image from the program stream of one channel and displays to the user; when displaying the still image of the current channel, the terminal previously receives and decodes the program stream of the next channel according to the channel order, and caches the decoded still image; when the user presses the functional key of switching to the still image of the next channel or after a predetermined period of time, the terminal displays the still image of the cached next channel to the user, the steps of displaying and meanwhile previously receiving and caching are repeated until the user selects a channel to play or log out the play program.
Description
Technical field
The present invention relates to the multimedia broadcasting field, relate in particular to a kind of method of display of broadcast channel image.
Background technology
Mobile Multimedia Broadcasting can allow the terminal use watch the multimedia programming content whenever and wherever possible, and the user can be by browsing the programme information that electron service instruction or electronic program guides obtain broadcasting channel, thereby select programs of interest to watch.This mainly is to determine by programm name in electron service instruction or the electronic program guides or simple description of program.But electron service instruction or electronic program guides mainly provide the program timetable usually, and the content description information that provides is less and not directly perceived, the user can not determine sometimes which program whether can meet the requirement of watching of oneself, watches through relatively choosing a channel after perhaps thinking to browse general each channel sometimes.But because portable terminal restriction to some extent on channel switch speed and decoding capability, for China Mobile multimedia broadcasting CMMB terminal on average there is 1～3 second the time interval when the video pictures of channel switches, causes user's broadcast to experience interruption to some extent or delay.If improve because channel switches the delay that brings, need to improve the disposal ability of existing receiving chip, chip is finished the program stream data that can export a plurality of channels behind demodulation, the demultiplexing simultaneously.Therefore can only adopt software processing mode to improve user's experience at present.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of fast displaying multimedia broadcasting channel image, can show the rest image of each channel of current broadcast fast, so that the user obtains channel program information fast, selects interested channel program.
In order to solve the problems of the technologies described above, the invention provides a kind of method of fast displaying multimedia broadcasting channel image, comprising:
The user is by a function key or selecting to enter the picture browsing pattern automatically before the specific channel program, terminal decodes real-time rest image and is shown to the user from the program stream of certain channel, when showing the rest image of current channel, terminal receives in advance according to channel order and the program stream of the succeeding channel of decoding, and the rest image that decodes of buffer memory, after the user presses function key that switches to the succeeding channel rest image or a period of time of being scheduled to, terminal is shown to the user with the rest image of the succeeding channel of buffer memory, repeats the step of above-mentioned demonstration while reception in advance and buffer memory and selects a cannel broadcast or withdraw from playing program up to the user.
Further, when for the demonstration rest image program stream of channel being decoded, terminal is only decoded to the I frame of program stream and is obtained the rest image of this channel.
Further, terminal shows the channel and/or the channel designation of this channel simultaneously when the rest image of indicated channel.
Further, in the picture browsing pattern, default channel switching time, if the user has been switched channel by function button in this time, then reclocking, if the user is active switching channels in this time not, then at timing then, terminal automatically switches to the rest image of succeeding channel.
Further, the rest image of user by selecting channel is realized the selection to this channel, the program stream of the pairing channel of rest image that terminal is only selected the user carries out audio/video decoding and plays, and stops simultaneously the decoding of other channels and the demonstration of rest image.
Further, when terminal begin to receive the decode user-selected rest image before the program stream of corresponding channel, the demonstration that keeps this channel rest image is till having decoded audio, video data output to play.
Further, when having shown the rest image of last channel, Automatic Cycle shows the rest image of each channel.
Further, when circulation showed the rest image of each channel, the program stream of each channel of decoding again showed the rest image that new decoding goes out.
Further, after user selected channel entered play mode, the user was switched back the rest image browse mode again by certain function button.
Further, switch back the rest image browse mode after, the program stream of first channel of decoding shows the rest image of this channel, the program stream of the next channel of last broadcasting channel of perhaps decoding shows the rest image of this channel.
Adopt the method for the invention, each real-time rest image and channel information that only shows a channel, when the user browses current channel displayed image and information, receive the also channel image of buffer memory succeeding channel, so make the real-time rest image that the user can each channel program of fast browsing, understand the content that each channel program is play intuitively, be convenient to the user and select programs of interest.The user can not feel to interrupt or time delay in this process, has realized that the nothing that channel image switches postpones, and has improved user's experience.Simultaneously, the inventive method is less demanding to the disposal ability of terminal, realizes easily.
Description of drawings
Fig. 1 is that embodiment of the invention picture browsing pattern and play mode are handled schematic diagram;
Terminal processes flow chart when Fig. 2 is the channel selection of the embodiment of the invention.
Embodiment
Design of the present invention is: the user is by a function key or selecting to enter the picture browsing pattern automatically before the specific channel program, terminal decodes real-time rest image and is shown to the user from the program stream (multimedia data stream) of certain channel, when showing the rest image of current channel, terminal receives in advance according to channel order and the program stream of the succeeding channel of decoding, and the rest image that decodes of buffer memory, after the user presses function key that switches to the succeeding channel rest image or a period of time of being scheduled to, terminal is shown to the user with the rest image of the succeeding channel of buffer memory, repeats the step of above-mentioned demonstration while reception in advance and buffer memory and selects a cannel broadcast or withdraw from playing program up to the user.
When showing that rest image is decoded the program stream of channel, terminal is only decoded to the I frame of program stream and is obtained the real-time rest image of this channel.
The rest image of user by selecting channel is realized the selection to this channel, and the program stream of the pairing channel of rest image that terminal is only selected the user carries out audio/video decoding and plays, and stops the decoding of other channels and the demonstration of rest image.
During the rest image of indicated channel, can show channel information such as the channel of this channel and/or channel designation simultaneously.
When having shown the rest image of last channel, but Automatic Cycle shows the rest image of each channel.Can decode the again this moment program stream of each channel shows the rest image that new decoding goes out, to guarantee real-time.
After the user selected to play, when carrying out play mode, the user can be switched back the rest image browse mode again by specific function button.Can begin to show that perhaps the next channel from last broadcasting channel begins to show this moment from the rest image of first channel.
Below in conjunction with drawings and the specific embodiments implementation of the present invention is further specified.
As shown in Figure 1, during in terminal receiving multimedia broadcast data and when the non-selected channel of user, the carries out image browse mode, promptly terminal is carried out the rest image decoding to the program stream of each channel successively, and shows that on terminal the rest image that is decoded supplies the user to browse (step 100); The user browses shown rest image, in elected behind the width of cloth rest image, carry out play mode, promptly terminal is carried out the audio/video decoding broadcast to the channel program of this rest image correspondence, stops the rest image decoding of other channels simultaneously and shows (step 110).
The terminal processes flow process that multimedia broadcasting (DMB) channels is selected may further comprise the steps as shown in Figure 2:
Rest image in this step is decoded from program stream and is obtained, and for example the I frame compressed image in the program stream is decoded.This decode procedure only carries out picture decoding, does not have video, Audio Processing, so terminal execution decoding and displaying speed is accelerated greatly.In order further to accelerate the surfing of rest image, when showing the image of some channels, simultaneously the image of next channel is decoded and buffer memory in advance, can accelerate the surfing of each channel image by that analogy.
When showing above-mentioned rest image, the user can browse the rest image of each channel successively by function button (as turning over the screen function key) operation, perhaps also can turn over screen by self-timing, perhaps dual mode is combined, promptly default channel image switching time is if the user has been switched channel by button in this time, then reclocking, if the user is the rest image of active switching channels in this time not, then then, automatically switch to the rest image of succeeding channel at timing.
After switching to last channel image, can return the image that shows first channel.When the rest image of indicated channel, show that simultaneously the channel of this channel and/or channel designation be convenient to User Recognition.
In the above-mentioned situation, when returning step 200, the rest image of certain channel shows it may is to show that once more the rest image that this moment, decoding made new advances in the program stream of this channel also shows, dynamically updates after taking turns circulation through one.
In the above-mentioned steps, when terminal begin to receive the decode user-selected rest image before the program stream of corresponding channel, the demonstration that keeps this channel rest image is till having decoded audio, video data output to play.Switch to audio frequency and video by rest image like this and just can carry out seamless switching.
The present invention is specially adapted among the China Mobile multimedia broadcasting CMMB.
The present invention's employing simultaneously to the picture decoding and the buffer memory of succeeding channel, reaches the purpose of fast browsing when showing the rest image of a certain channel.The present invention adopts the method that shows each channel rest image by screen successively, once do not show a plurality of channel image information and adopt, because when showing a plurality of channel image simultaneously, terminal need all receive the program stream data of each channel, the operation of demultiplexing, decoding, this has relatively high expectations for terminal processing capacity, and be easy to occur first channel and shown and finish, and last channel still is in decoding or demultiplexing stage, user experience is relatively poor.Browse the mutual time and the present invention has made full use of the user, add and utilize image buffer storage, the surfing that the user experienced is accelerated greatly.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof, those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the claim of invention.
Claims (10)
1, a kind of method of fast displaying multimedia broadcasting channel image is characterized in that,
The user is by a function key or selecting to enter the picture browsing pattern automatically before the specific channel program, terminal decodes real-time rest image and is shown to the user from the program stream of certain channel, when showing the rest image of current channel, terminal receives in advance according to channel order and the program stream of the succeeding channel of decoding, and the rest image that decodes of buffer memory, after the user presses function key that switches to the succeeding channel rest image or a period of time of being scheduled to, terminal is shown to the user with the rest image of the succeeding channel of buffer memory, repeats the step of above-mentioned demonstration while reception in advance and buffer memory and selects a cannel broadcast or withdraw from playing program up to the user.
2, the method for claim 1 is characterized in that,
When for the demonstration rest image program stream of channel being decoded, terminal is only decoded to the I frame of program stream and is obtained the rest image of this channel.
3, the method for claim 1 is characterized in that,
Terminal shows the channel and/or the channel designation of this channel simultaneously when the rest image of indicated channel.
4, the method for claim 1 is characterized in that,
In the picture browsing pattern, default channel switching time is if the user has been switched channel by function button in this time, then reclocking, if the user is active switching channels in this time not, then at timing then, terminal automatically switches to the rest image of succeeding channel.
5, the method for claim 1 is characterized in that,
The rest image of user by selecting channel is realized the selection to this channel, and the program stream of the pairing channel of rest image that terminal is only selected the user carries out audio/video decoding and plays, and stops simultaneously the decoding of other channels and the demonstration of rest image.
6, method as claimed in claim 5 is characterized in that,
When terminal begin to receive the decode user-selected rest image before the program stream of corresponding channel, the demonstration that keeps this channel rest image is till having decoded audio, video data output to play.
7, the method for claim 1 is characterized in that,
When having shown the rest image of last channel, Automatic Cycle shows the rest image of each channel.
8, method as claimed in claim 7 is characterized in that,
When circulation showed the rest image of each channel, the program stream of each channel of decoding again showed the rest image that new decoding goes out.
9, the method for claim 1 is characterized in that,
After user selected channel entered play mode, the user was switched back the rest image browse mode again by certain function button.
10, method as claimed in claim 9 is characterized in that,
After switching back the rest image browse mode, the program stream of first channel of decoding shows the rest image of this channel, and the program stream of the next channel of last broadcasting channel of perhaps decoding shows the rest image of this channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101467294A CN101345883B (en) | 2008-08-27 | 2008-08-27 | Method for fast displaying multimedia broadcasting channel image |
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| CN2008101467294A CN101345883B (en) | 2008-08-27 | 2008-08-27 | Method for fast displaying multimedia broadcasting channel image |
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| CN101345883A true CN101345883A (en) | 2009-01-14 |
| CN101345883B CN101345883B (en) | 2010-09-01 |
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| CN2008101467294A Expired - Fee Related CN101345883B (en) | 2008-08-27 | 2008-08-27 | Method for fast displaying multimedia broadcasting channel image |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338407A (en) * | 2013-05-31 | 2013-10-02 | 天津三星电子有限公司 | Television set and television set channel browsing method |
| CN103716535A (en) * | 2013-12-12 | 2014-04-09 | 乐视致新电子科技（天津）有限公司 | Method for switching photographing mode, and electronic device |
| CN105430446A (en) * | 2015-10-27 | 2016-03-23 | 深圳创维数字技术有限公司 | Set top box service pushing method, set top box, and related server |
| CN105872657A (en) * | 2016-03-29 | 2016-08-17 | 福建新大陆通信科技股份有限公司 | Method and system for sharing photo album of mobile terminal on digital television set-top box |
| WO2017161751A1 (en) * | 2016-03-22 | 2017-09-28 | 乐视控股（北京）有限公司 | Video preview method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100793736B1 (en) * | 2006-02-23 | 2008-01-10 | 삼성전자주식회사 | Digital broadcasting receiver for simultaneously displaying multi-channel video |
| KR20080060921A (en) * | 2006-12-27 | 2008-07-02 | 삼성전자주식회사 | Broadcast receiving apparatus and method |
-
2008
- 2008-08-27 CN CN2008101467294A patent/CN101345883B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338407A (en) * | 2013-05-31 | 2013-10-02 | 天津三星电子有限公司 | Television set and television set channel browsing method |
| CN103338407B (en) * | 2013-05-31 | 2016-07-27 | 天津三星电子有限公司 | A kind of method of television set and TV set for browsing channel |
| CN103716535A (en) * | 2013-12-12 | 2014-04-09 | 乐视致新电子科技（天津）有限公司 | Method for switching photographing mode, and electronic device |
| CN103716535B (en) * | 2013-12-12 | 2018-04-27 | 乐视致新电子科技（天津）有限公司 | One kind switching screening-mode method and electronic equipment |
| CN105430446A (en) * | 2015-10-27 | 2016-03-23 | 深圳创维数字技术有限公司 | Set top box service pushing method, set top box, and related server |
| WO2017161751A1 (en) * | 2016-03-22 | 2017-09-28 | 乐视控股（北京）有限公司 | Video preview method and device |
| CN105872657A (en) * | 2016-03-29 | 2016-08-17 | 福建新大陆通信科技股份有限公司 | Method and system for sharing photo album of mobile terminal on digital television set-top box |
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| CN101345883B (en) | 2010-09-01 |
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Granted publication date: 20100901 Termination date: 20160827 |