CN101252618B - Method for realizing application of picture-in-picture in mobile phone stream medium - Google Patents
Method for realizing application of picture-in-picture in mobile phone stream medium Download PDFInfo
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- CN101252618B CN101252618B CN2008100357780A CN200810035778A CN101252618B CN 101252618 B CN101252618 B CN 101252618B CN 2008100357780 A CN2008100357780 A CN 2008100357780A CN 200810035778 A CN200810035778 A CN 200810035778A CN 101252618 B CN101252618 B CN 101252618B
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Abstract
The invention relates to a method for realizing the application of picture in picture (PIP) in the mobile phone stream media. The mobile phone has a common configuration comprising a processor and a universal multi-media chip; wherein the processor supports the software decoding function of the current stream media format and the universal multi-media chip supports the hardware decoding function of the current stream media format; the configuration of the mobile phone also comprises a PIP module. The method includes the following steps that firstly, obtain a plurality of streaming media URL from a plurality of data sources, wherein the data source in the main channel is quickly decoded by the multimedia chip, the data source of a second channel or the data sources of other channels are decoded in shared time by the processor; under the control of the software module of the processor, the data after the decoding are synthesized into data which are displayed on a screen to the user. The method provides the simple and clear PIP playing function of the stream media, ensures the user to select the appreciate programs in time to watch according to self preferences, reduces the back-and-forth switch for program browsing and brings convenience to the user.
Description
Technical field
The present invention relates to moving communicating field, especially realization and the application of the picture-in-picture in the portable terminal in mobile phone flow medium.
Background technology
In life, run into such situation through regular meeting; mobile phone is watched program by DST PLAYER; usually various types of programs is clicked and selected or inlet flow medium URL (UniformResource Locator; on the WWW of Internet service routine, be used to specify the method for expressing of information position); Streaming Media begins to connect the data buffering regular hour.When playing programs, find that content is not own real concern, have to again repetition previous action of user is operated other programs, and whole process is more loaded down with trivial details, and the time that needs is also many.
The technology that current picture-in-picture adopts mainly is that the picture-in-picture multimedia chip is carried out encoding and decoding, and the monopoly of this chip may cause whole mobile phone cost too high.
Summary of the invention
The present invention is the defective that overcomes above-mentioned prior art, two or more flow-medium performances broadcast picture-in-picture function on a kind of mobile phone are provided, can understand the particular content of different programs at one time simultaneously, be very easy to the selection of user mobile phone stream medium program.
Technical scheme of the present invention is:
By current general mobile phone hardware framework: processor+universal multimedia chip, realize the function of picture-in-picture.For binary channels or multi-channel data source, utilize universal multimedia chip fast decoding, other channel datas to utilize the processor timesharing to decode by main channel data (first passage) and finish.The screen of decoding back data shows and merge generation under the software control of processor.Basic demand to system: processor is supported the soft decoding function of all kinds of stream media formats, and the universal multimedia chip is supported the hard decoder function of all kinds of stream media formats.The picture-in-picture module of software requires: URL obtains administration module, Multi-ported Data download module, video data merger module, screen display the timesharing decoding of management, processor and the chip control module of decoding is set.
URL obtains two or more Streaming Media addresses that administration module obtains connection, the Multi-ported Data download module is submitted in this address, this module is responsible for timesharing decoding and the chip decoding control module that linking number is reportedly given processor, simultaneously video data merger module is responsible for according to screen display display parameters that management sets being set and is carried out data and show merger, finishes the demonstration of picture-in-picture.
Description of drawings
Fig. 1 is that picture-in-picture is created and the flow chart of implementation procedure in the Streaming Media;
Fig. 2 is a picture-in-picture screen display process flow diagram;
Fig. 3 is a picture-in-picture software module relation.
Embodiment
The timesharing decoding of processor and chip decoding control module are the keys of dealing with problems, and its process is divided into chip decoding and two parts of processor decodes.On decoding process, the universal multimedia chip is all supported the main flow form MP4/H264/AVS of Streaming Media.The decode procedure of universal multimedia chip: processor sends decodes commands, chip is provided with decoding parametric, require to load the decoding algorithm storehouse to the chip internal memory according to codec format from external internal memory or fast storage, internal storage data is input in the chip decodes, output to external screen after decoding finishes and show in the internal memory.This processing mode is the main channel, in other words conj.or perhaps single pass multimedia chip decoding.This mode is exactly the hard decoder known to everybody.
When need decode in other channel data sources, the processor timesharing is decoded, whole process is as follows: when other channel data sources meet decoding request, processor provides processor decodes according to timesharing mechanism, processor obtains information such as stream media format from channel sessions descriptor table, load corresponding soft decoding algorithm, carry out convergent-divergent according to the convergent-divergent configuration of display requirement, the data behind the convergent-divergent output to the memory field of appointment.
Because screen shows data and there is one-to-one relationship in internal storage data, the internal storage data of processor processing is input to the regional area data field that corresponding screen shows, thereby the internal storage data that forms picture-in-picture merges.
As shown in Figure 1, from obtaining Streaming Media URL, judge whether mobile phone supports the Multi-ported Data business, if support then create corresponding URL to connect, will show that corresponding data puts into display control module, display control module is exported data after reunification.Obtaining of URL will be satisfied following requirement: mobile phone is supported the input interface managing of a plurality of URL or can be carried out a plurality of selection functions to the Streaming Media URL that preserves.
As shown in Figure 2, after data based URL address chain is connected into merit, video data is by UDP (User Data gram Protocol, be User Datagram Protoco (UDP)) etc. mode obtain and put into internal memory, according to different screen management modes, we are divided into picture-in-picture: MS master-slave display mode and divide equally mode, different modes adopts different convergent-divergents and flush mechanism.This dual mode can be provided with parameter by cell phone software, and after data decode was finished, this was provided with the foundation that parameter is a convergent-divergent.When the pattern of described screen display was set to the MS master-slave display mode, the data behind the hard decoder directly outputed to display memory; Described processor should soft decoded data carry out convergent-divergent according to fixed size, outputed to the corresponding district of fixing display memory then, and memory content that directly should the correspondence district covers; When the pattern of described screen display was set to divide equally mode, the data behind the hard decoder need carry out putting into half zone that screen shows memory headroom behind the convergent-divergent according to dividing equally ratio; Described processor is put into the data behind the convergent-divergent other half area of space that described screen shows memory headroom simultaneously according to dividing equally the soft decoded data of proportional zoom.The control mobile phone that screen shows data need satisfy following requirement: mobile phone provides screen to show the setup menu management.
Fig. 3 provides picture-in-picture software module relation, understands the picture-in-picture control procedure of whole software from the angle of software module.In whole software configuration, having only URL management and screen display control is the external interface module, and other all is an internal control module.
The Streaming Media picture-in-picture function externally is an independently module, provides two public interface function: URL to obtain and the display screen branch, for other module invokes.The provide support input of a plurality of URL and the preservation of URL of URL parameter acquiring read, and preserves the file address if preserve to read to provide.This function is responsible for judging that the validity of URL and mobile phone multi-data source obtain situation, supports that the picture-in-picture return results is true.The Streaming Media picture-in-picture returns when supporting successfully, and display parameters that calling module provides control public function interface is provided with between screen display mode and screen area information such as size; The Streaming Media picture-in-picture module is according to the parameter setting, and the conversion displaying contents provides explicit address to supply with other modules demonstrations and calls.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (4)
1. method that realizes that picture-in-picture is used in mobile phone flow medium, this mobile phone has common configuration: processor and universal multimedia chip, this processor is supported the soft decoding function of all kinds of stream media formats, and this universal multimedia chip is supported the hard decoder function of all kinds of stream media formats; This mobile phone also has picture-in-picture module, it is characterized in that, described method comprises following steps:
1) obtain a plurality of Streaming Media URL from a plurality of data sources, wherein the data source of main channel utilizes the data source of multimedia chip fast decoding, other passages to utilize processor timesharing decoding;
2) data that obtain of decoding in the step 1) are merged the generation data under the control of the software module of described processor and carry out screen display then.
2. method according to claim 1, it is characterized in that, the step of described timesharing decoding is: when the data source of described other passages meets decoding request, described processor at first obtains stream media format information according to timesharing mechanism from channel sessions descriptor table, load corresponding soft decoding algorithm then, carry out convergent-divergent according to the convergent-divergent configuration of display requirement at last, the data behind the convergent-divergent output to the memory field of appointment.
3. method according to claim 1 is characterized in that, the pattern of described screen display is the MS master-slave display mode or divides equally mode;
When the pattern of described screen display was set to the MS master-slave display mode, the data behind the hard decoder directly outputed to display memory; Described processor should soft decoded data carry out convergent-divergent according to fixed size, outputed to the corresponding district of fixing display memory then, and memory content that directly should the correspondence district covers;
When the pattern of described screen display was set to divide equally mode, the data behind the hard decoder need carry out putting into half zone that screen shows memory headroom behind the convergent-divergent according to dividing equally ratio; Described processor is put into the data behind the convergent-divergent other half area of space that described screen shows memory headroom simultaneously according to dividing equally the soft decoded data of proportional zoom.
4. method according to claim 1, it is characterized in that, described picture-in-picture module comprises that URL obtains administration module, Multi-ported Data download module, video data merger module, apparent timesharing decoding and the chip decoding control module that administration module, processor are set of screen, wherein:
URL obtains two or more Streaming Media addresses that administration module obtains connection, and this address submitted to the Multi-ported Data download module, this Multi-ported Data download module is responsible for the timesharing decoding that connects data and send processor to and chip decoding control module, simultaneously video data merger module is responsible for showing according to screen and display parameters that administration module sets are set are carried out data and show merger, finishes the demonstration of picture-in-picture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100357780A CN101252618B (en) | 2008-04-09 | 2008-04-09 | Method for realizing application of picture-in-picture in mobile phone stream medium |
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| CN2008100357780A CN101252618B (en) | 2008-04-09 | 2008-04-09 | Method for realizing application of picture-in-picture in mobile phone stream medium |
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| CN101252618A CN101252618A (en) | 2008-08-27 |
| CN101252618B true CN101252618B (en) | 2011-01-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101986708A (en) * | 2010-10-29 | 2011-03-16 | 北京中星微电子有限公司 | Video decoding method and decoder |
| CN104185062B (en) * | 2013-05-27 | 2018-11-09 | 南京中兴新软件有限责任公司 | A kind of method and terminal of terminal processes video flowing |
| CN103780951A (en) * | 2014-01-17 | 2014-05-07 | 上海聚力传媒技术有限公司 | Method and device for playing videos in mobile equipment and other equipment at the same time |
| CN105120305A (en) * | 2015-08-10 | 2015-12-02 | 合一网络技术(北京)有限公司 | Method of playing picture in picture video on mobile terminal and system thereof |
| CN109640179B (en) * | 2018-11-27 | 2020-09-22 | Oppo广东移动通信有限公司 | Video decoding control method and device and electronic equipment |
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Owner name: WINGTECH COMMUNICATION CO., LTD. Free format text: FORMER OWNER: WENTAI COMMUNICATION SCIENCE + TECHNOLOGY CO., LTD., JIAXING CITY Effective date: 20120315 |
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Effective date of registration: 20120315 Address after: 314006, No. 777, Middle South Road, Nanhu District, Zhejiang, Jiaxing (Jiaxing science and technology city) Patentee after: Wingtech Communication Co., Ltd. Address before: 314006, Jiaxing, Zhejiang on the north side of South Central Road, two West Road Patentee before: Wentai Communication Science & Technology Co., Ltd., Jiaxing City |
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