CN102263771A - Mobile terminal, adapter as well as method and system for playing multi-media data - Google Patents
Mobile terminal, adapter as well as method and system for playing multi-media data Download PDFInfo
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- CN102263771A CN102263771A CN2010101833777A CN201010183377A CN102263771A CN 102263771 A CN102263771 A CN 102263771A CN 2010101833777 A CN2010101833777 A CN 2010101833777A CN 201010183377 A CN201010183377 A CN 201010183377A CN 102263771 A CN102263771 A CN 102263771A
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Abstract
The invention provides a mobile terminal, an adapter as well as a method and system for playing multi-media data. The method is used to play the multi-media data of the mobile terminal in a play device by the adapter and comprises the following steps: collecting first multi-media data stored in the mobile terminal, coding the collected first multi-media data, and modulating and sending the coded multi-media data to the adapter; decoding the received multi-media data by the adapter, and converting the decoded multi-media data into second multi-media data and then sending the second multi-media data; and receiving and playing the second multi-media data by the play device. According to the invention, AV (audio/video) data in the mobile terminal are transmitted to the adapter, transmitted to the play device with a big screen by the adapter, and played by the play device, thus improving audio visual experience of a user.
Description
Technical field
The application relates to communication technical field, relates in particular to multimedia data playback method and system in a kind of portable terminal, adapter and the portable terminal.
Background technology
Along with the development of terminal technology and Internet technology, the function of mobile phone from strength to strength.Except common call function can be provided, mobile phone can also provide audiovisual experience for the user.For example, existing mobile phone can have the mobile TV function, video telephone function, film playing function, internet function or the like.But owing to be subjected to the restriction of mobile phone display screen size, these audiovisual experience often can not satisfy user's demand.Therefore, a kind of means need be provided, the content of mobile phone can be on for example having, shown than the playback equipment of large-screen.
A kind of mobile phone of the TV-OUT of having function is provided in the prior art, the video signal in the mobile phone can be converted to the vision signal of the display standard that meets television set, and video signal transmission has been arrived television set by data wire.Thereby can on television set, show the video content in the mobile phone.
But the mobile phone of this TV-OUT of having function must link to each other with television set by the mode of external connection with wired connection, uses inconvenience, and has influenced user's experience.In addition, because the TV-OUT interface is present and disunity, can't realize the standardization of interface.
Though, for the mobile phone that Bluetooth function is provided, can be by the audio-video signal in the Bluetooth transmission mobile phone, but because bluetooth bandwidth is limited, realize the transmission of wireless audio and video by bluetooth, per second transmits the 5-6 frame video signal at most, can't satisfy the requirement that the user watches smooth video per second 24 frames.In addition, because present most of television set do not have blue tooth interface, therefore the transmission of carrying out audio-video signal of the Bluetooth function by mobile phone also will be restricted.
For the mobile phone that the WiFi function is provided, can be by WiFi with the vision signal wireless transmission in the mobile phone, still the vision signal that sends in the mobile phone by WiFi has following shortcoming:
At first, because present most of television set do not have the WiFi interface, therefore the transmission of carrying out audio-video signal by the WiFi function of mobile phone will be restricted.
Secondly, need satisfy the IEEE802.11 wireless network protocol for the vision signal that sends in the mobile phone by WiFi, that is, the Frame that is transmitted need satisfy the TCP/IP/UDP agreement.Because the Frame under the TCP/IP/UDP agreement need increase for example a large amount of additional informations such as TCP stem, IP stem and frame stem in the efficient multimedia data, therefore, the multi-medium data effective transmission speed is lower.
In addition, in order to guarantee the audio frequency and video play quality, portable terminal must be able to be handled the audio-video signal with high quality, has consumed the processing resource of a large amount of portable terminals.
Summary of the invention
The application's purpose provides multimedia data playback method and system in a kind of portable terminal, adapter and portable terminal that can partly improve above-mentioned defective of the prior art at least.
Another aspect according to the application, a kind of method of multi-medium data in the portable terminal being play in playback equipment by adapter is disclosed, comprise: gather first multi-medium data of storing in the portable terminal, first multi-medium data of being gathered is encoded, and the modulation of the multi-medium data after will encoding sends; Receive the multi-medium data that described portable terminal modulation sends by described adapter, received multi-medium data is decoded, decoded multi-medium data is converted to second multi-medium data sends; And receive and play described second multi-medium data by described playback equipment.
An aspect according to the application discloses a kind of portable terminal, comprising: acquisition module, gather the multi-medium data of storing in the described portable terminal; Control module is encoded to the multi-medium data of being gathered; And output module, will modulate transmission from the multi-medium data that described control module receiving multimedia data is also received.
Another aspect according to the application discloses a kind of adapter, comprising: receiver module, the multi-medium data behind the portable terminal received code; Control module is decoded to received multi-medium data, and decoded multi-medium data is converted to the multi-medium data that can be play by playback equipment; And output module, the multi-medium data after the conversion is sent.
Another aspect according to the application, disclose a kind of multimedia data play system, having comprised: portable terminal, gather wherein first multi-medium data of storage, first multi-medium data of being gathered is encoded, and the modulation of the multi-medium data after will encoding sends; And adapter, receive the multi-medium data that described portable terminal sends, received multi-medium data is decoded, decoded multi-medium data is converted to second multi-medium data sends; Playback equipment receives and plays described second multi-medium data.
According to the application, audio-video frequency content on the portable terminal is transferred on the adapter by wireless mode, by adapter the audio-video frequency content that receives is converted to and can has the signal that the playback equipment of large-screen is play at television set etc., to play having on the playback equipment of large-screen, improved client's audiovisual experience.
Description of drawings
The adapter that passes through that Fig. 1 shows according to the application carries out the playing system schematic block diagram with the multi-medium data in the portable terminal in playback equipment.
Fig. 2 shows the schematic block diagram according to the portable terminal of the application's a execution mode.
Fig. 3 shows the schematic block diagram according to the portable terminal of another execution mode of the application.
Fig. 4 has shown according to the adding of the application's a execution mode schematic diagram of the multi-medium data behind the coding of side information.
Fig. 5 shows the schematic block diagram according to the adapter of the application's a execution mode.
Fig. 6 shows the schematic block diagram according to the adapter of another execution mode of the application.
Fig. 7 shows adapter is play the multi-medium data in the portable terminal in playback equipment the method flow diagram that passes through according to the application's a execution mode.
Fig. 8 shows adapter is play the multi-medium data in the portable terminal in playback equipment the method flow diagram that passes through according to another execution mode of the application.
Embodiment
With reference to the accompanying drawings multimedia data playback method and system in the disclosed portable terminal of the application, adapter and the portable terminal is elaborated.For simplicity's sake, in the explanation of each embodiment of the application, identical or similar device has used same or analogous Reference numeral.
Fig. 1 shows a kind of multimedia data play system according to the application.Multimedia data play system 1000 comprises portable terminal 100, adapter 200 and playback equipment 300.
Like this, audio-video frequency content on the portable terminal 100 is transferred on the adapter 200 by wireless mode, by adapter 200 audio-video frequency content that receives is converted to and can has the signal that the playback equipment 300 of large-screen is play at television set etc., on playback equipment 300, to play, improved client's audiovisual experience with large-screen.
Below with reference to accompanying drawings, portable terminal 100 and adapter 200 according to the application are described in detail.
Fig. 2 shows the schematic block diagram according to the portable terminal 100 of a kind of execution mode of the application.Wherein, portable terminal 100 can be mobile phone, PDA etc.As shown in Figure 2, portable terminal 100 comprises acquisition module 110, control module 120 and output module 130.
The multi-medium data of output module 130 behind control module 120 received codes, and the multi-medium data that is received modulated, and wireless transmission.
According to a kind of embodiment, as shown in Figure 3, control module 120 may further include coding module 121 and information generating module 122.Wherein, coding module 121 can be encoded to the multi-medium data that acquisition module 110 is gathered.Coding can adopt existing coded system, for example adopts H.264 coded system or Motion JPG coded system etc.
The packet of the multi-medium data form with Frame can be sent in this application.Need increase a large amount of low problems of the efficiency of transmission that additional information caused such as TCP stem, IP stem and frame stem for fear of the Frame that for example adopts the WiFi transmission, among the application according to the purpose and the characteristics of transmitting multimedia data between portable terminal and the adapter, defined the side information that is carried in each Frame, avoid the adding of too much additional information, thereby improved efficiency of transmission.
Fig. 4 has shown according to the adding of the application's a execution mode schematic diagram of the multi-medium data behind the coding of side information.As shown in Figure 4, the side information 420 in the multi-medium data 410 behind the adding coding can comprise frame header message 421, frame per second information 422, coded system information 423, length information 424, signing messages 425, facility information 426 and serial number information 427.Wherein, it is synchronous etc. that frame header message 421 is used for achieve frame; Frame per second information 422 can be indicated current frame transmission rate; Coded system information 423 can be indicated the coded system that is adopted; Length information 424 can the designation data bag byte length; Signing messages 425 can provide the sequence of signature, and signature makes receiving terminal and transmitting terminal coupling; Facility information 426 can the indicating terminal device signal; Serial number information 427 can designation data bag sequence number, and guarantees the accurate reception of data.
Among the application,, can between portable terminal and adapter, set up the advantages of simplicity and high efficiency transmission mechanism, reduce the time delay of wireless transmission audio frequency and video, improve efficiency of transmission by in Frame, adding above-mentioned side information.
In addition, control module 120 can further include encrypting module, and multi-medium data is encrypted.At this moment, may further include cipher mode information in the side information, to indicate the current cipher mode that is adopted.
Fig. 5 shows the schematic block diagram according to the application's adapter 200.As shown in Figure 5, adapter 200 comprises: receiver module 210, control module 220 and output module 230.Wherein, receiver module 210 can be from the multi-medium data behind the portable terminal received code.220 pairs of received multi-medium datas of control module are decoded, and decoded multi-medium data is converted to second multi-medium data.Output module 230 sends second multi-medium data.Wherein, second multi-medium data can be the multi-medium data that is received and play by external played equipment.
According to a kind of embodiment, the multi-medium data behind the coding that receiver module 210 receives from portable terminal has side information.Wherein, side information comprises the frame header message, frame per second information, coded system information, length information, signing messages, facility information and serial number information.
When playback equipment is Digital Television, for example high definition digital television (HDTV), when strengthening definition Digital Television (EDTV) or single-definition digital television (SDTV), second multi-medium data of being changed by adapter 200 then is the signal that meets the Digital Television standard, for example meet Unite States Standard ATSC/8VSB, European standard DVB-C, DVB-T (H), the signal of Nippon Standard ISDB-T or international standard DNB-T etc.
According to a kind of embodiment, the control module of adapter may further include the optimal module that multi-medium data is optimized, at adapter end audio-video frequency content is optimized.Optimal module in the adapter can be optimized the multi-medium data from portable terminal by methods such as sharpening, differences, make that second multi-medium data after the conversion is to have the more multi-medium data of high image quality, tonequality level, and avoided the audio-video signal of necessary directly processing of portable terminal and high quality, the processing resource of having saved portable terminal.According to the application, can select decoded multi-medium data to be optimized by optimal module, also can select second multi-medium data after the conversion is optimized.
Fig. 7 shows a kind of method flow diagram of multi-medium data in the portable terminal being play by adapter in playback equipment.As shown in the figure, this method comprises:
Step 510: by first multi-medium data that the portable terminal collection is wherein stored, first multi-medium data of being gathered is encoded, and the modulation of the multi-medium data after will encoding is sent to adapter.
Step 520: by adapter received multi-medium data is decoded, decoded multi-medium data is converted to second multi-medium data sends.
Step 530: receive and play second multi-medium data by playback equipment.
According to a kind of embodiment, the method for the multi-medium data in the portable terminal being play in playback equipment by adapter may further include: before modulation sends, with the multi-medium data behind the side information adding coding; And adapter obtains described side information according to received multi-medium data, according to described side information received multi-medium data analyzed decoding.Wherein, side information can comprise the frame header message, frame per second information, coded system information, length information, signing messages, facility information, and serial number information.As shown in Figure 8, the method for the multi-medium data in the portable terminal being play in playback equipment by adapter comprises:
Step 610:, first multi-medium data of being gathered is encoded by first multi-medium data that the portable terminal collection is wherein stored.
Step 620: the multi-medium data after portable terminal is encoded the side information adding, and modulation is sent to adapter.
Step 630: by the multi-medium data of adapter reception from portable terminal.
Step 640: obtain described side information by adapter according to received multi-medium data, received multi-medium data is analyzed decoding according to side information.The performed mode of concrete analytic solution coding mode and the analysis module of aforementioned adapter is identical, does not repeat them here.
Step 650: will analyze decoded multi-medium data and be converted to the transmission of second multi-medium data.Wherein, second multi-medium data can be the multi-medium data that is received and play by external played equipment.
Step 660: receive and play described second multi-medium data by described playback equipment.
According to another kind of embodiment, the method for the multi-medium data in the portable terminal being play in playback equipment by adapter may further include the step that before transmission multi-medium data is optimized.For example, can between above-mentioned steps 640 and step 650, be optimized analyzing decoded multi-medium data by methods such as sharpening, differences, also can in step 650, carry out optimization step, send second multi-medium data after optimizing subsequently second multi-medium data after the conversion.Like this, second multi-medium data of transmission is to have the more multi-medium data of high image quality, tonequality level, and has avoided the audio-video signal of necessary directly processing of portable terminal and high quality, the processing resource of having saved portable terminal.
Abovely be described with reference to the exemplary embodiment of accompanying drawing to the application.Those skilled in the art should understand that; above-mentioned embodiment only is for illustrative purposes and the example of being lifted; rather than be used for limiting; all in the application instruction and the claim protection range under done any modification, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (15)
1. method of the multi-medium data in the portable terminal being play in playback equipment by adapter comprises:
Gather first multi-medium data of storing in the portable terminal, first multi-medium data of being gathered is encoded, and the modulation of the multi-medium data after will encoding sends;
Receive the multi-medium data that described portable terminal modulation sends by described adapter, received multi-medium data is decoded, decoded multi-medium data is converted to second multi-medium data sends; And
Receive and play described second multi-medium data by described playback equipment.
2. method according to claim 1, wherein, described method further comprises:
Before modulation sends, the multi-medium data after portable terminal is encoded the side information adding; And
Receive the multi-medium data of described portable terminal modulation transmission at described adapter after, obtain described side information, received multi-medium data is analyzed decoding according to described side information according to received multi-medium data.
3. method according to claim 2, wherein, described side information comprises the frame header message, frame per second information, coded system information, length information, signing messages, facility information, and serial number information.
4. method according to claim 1, wherein, described method further comprises by described adapter and before transmission multi-medium data being optimized.
5. portable terminal comprises:
Acquisition module is gathered the multi-medium data of storing in the described portable terminal;
Control module is encoded to the multi-medium data of being gathered; And
Output module sends the modulation of the multi-medium data behind the coding.
6. portable terminal according to claim 5, wherein, described control module comprises the coding module that the multi-medium data of being gathered is encoded; And information generating module, described information generating module generates side information according to the multi-medium data of being gathered, and with the multi-medium data behind the side information adding coding that is generated.
7. portable terminal according to claim 6, wherein, described side information comprises the frame header message, frame per second information, coded system information, length information, signing messages, facility information, and serial number information.
8. adapter comprises:
Receiver module, the multi-medium data behind the portable terminal received code;
Control module is decoded to received multi-medium data, and decoded multi-medium data is converted to the multi-medium data that can be play by playback equipment; And
Output module sends the multi-medium data after the conversion.
9. adapter according to claim 8, wherein, the multi-medium data behind the coding that described receiver module receives from portable terminal has side information,
Described control module comprises:
The information acquisition module obtains described side information from received multi-medium data;
Analysis module is analyzed decoding according to the multi-medium data of described side information after to described coding; And
Modular converter is converted to the multi-medium data that can be play by playback equipment with analyzing decoded multi-medium data.
10. adapter according to claim 9, wherein, described side information comprises the frame header message, frame per second information, coded system information, length information, signing messages, facility information, and serial number information.
11. adapter according to claim 8, wherein, described control module further comprises the optimal module that multi-medium data is optimized.
12. a multimedia data play system comprises:
Portable terminal is gathered wherein first multi-medium data of storage, first multi-medium data of being gathered is encoded, and the modulation of the multi-medium data after will encoding sends; And
Adapter receives the multi-medium data that described portable terminal sends, and received multi-medium data is decoded, and decoded multi-medium data is converted to second multi-medium data sends;
Playback equipment receives and plays described second multi-medium data.
13. Play System according to claim 12, described portable terminal are before modulation sends, with the multi-medium data behind the side information adding coding; And described adapter obtains described side information according to received multi-medium data, according to described side information received multi-medium data analyzed decoding.
14. Play System according to claim 13, wherein, described side information comprises the frame header message, frame per second information, coded system information, length information, signing messages, facility information, and serial number information.
15. Play System according to claim 12, described adapter is optimized multi-medium data before transmission.
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CN103188210A (en) * | 2011-12-28 | 2013-07-03 | 三星电子(中国)研发中心 | Terminal and method for playing media content of mobile terminal on large screen client |
CN103442451A (en) * | 2013-08-21 | 2013-12-11 | 乐视致新电子科技(天津)有限公司 | Data wireless transmission method, device and system |
CN103596063A (en) * | 2013-11-20 | 2014-02-19 | 海信集团有限公司 | Terminal, television, multi-screen interaction system and method for setting screen capture parameters |
CN104753858A (en) * | 2013-12-26 | 2015-07-01 | 联芯科技有限公司 | Method and system for receiving and sending encrypted service data between heterogeneous network terminals |
WO2015109836A1 (en) * | 2014-01-24 | 2015-07-30 | 贝壳网际(北京)安全技术有限公司 | Cross-screen video playing method and device |
CN112150980A (en) * | 2019-06-28 | 2020-12-29 | 纬联电子科技(中山)有限公司 | Method for synchronously adjusting screen setting and multi-screen system |
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CN103188210A (en) * | 2011-12-28 | 2013-07-03 | 三星电子(中国)研发中心 | Terminal and method for playing media content of mobile terminal on large screen client |
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CN112150980A (en) * | 2019-06-28 | 2020-12-29 | 纬联电子科技(中山)有限公司 | Method for synchronously adjusting screen setting and multi-screen system |
CN112150980B (en) * | 2019-06-28 | 2022-03-04 | 纬联电子科技(中山)有限公司 | Method for synchronously adjusting screen setting and multi-screen system |
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