CN104618736A - Multimedia downloading method and device - Google Patents
Multimedia downloading method and device Download PDFInfo
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- CN104618736A CN104618736A CN201510052101.8A CN201510052101A CN104618736A CN 104618736 A CN104618736 A CN 104618736A CN 201510052101 A CN201510052101 A CN 201510052101A CN 104618736 A CN104618736 A CN 104618736A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 93
- 230000000694 effects Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000002459 sustained effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
- H04N21/64738—Monitoring network characteristics, e.g. bandwidth, congestion level
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses multimedia downloading method and device. The method comprises the steps of detecting network transmission quality between the downloading device and at least one playing device at a preset time interval by the downloading device while receiving a target multimedia playing request; determining the playing quality property of the target multimedia which can be played by the at least one playing device through the downloading device according to the network transmission; downloading multimedia code streams meeting the playing quality property by the download device from a server; sending the multimedia code stream to the at least one playing device to play. According to the method, playing quality property of the target multimedia which can be played can be determined according to the network transmission quality between the download device and each playing device, and therefore, each playing device can synchronously play the same target multimedia, and as a result, the playing effect can be improved; in addition, the intelligence and convenience of multimedia loading can be further improved.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of multimedia downloading method and device thereof.
Background technology
Along with the development of terminal equipment and network technology, the multimedia messages such as video, music has been an indispensable part in people's normal life, the mode of tradition play multimedia is by a playback equipment, nowadays, by multiple playback equipment play multimedia also more and more welcomed by the people.Such as, in home environment, people can in parlor, bedroom, the room such as study respectively place one or more playback equipment, and multiple equipment can be allowed to play same video or same music etc. simultaneously.And in a practical situation, network transmission quality can be made different because of the position of each playback equipment, environment difference, when playing network multimedia, there will be the situation that indivedual playback equipment smooth playing, individually playback equipment card pause, have impact on result of broadcast, reduce the intelligent and convenience that multimedia is downloaded.
Summary of the invention
The embodiment of the present invention provides a kind of multimedia downloading method and device thereof, and each playback equipment can be made to play identical played file simultaneously.
Embodiment of the present invention first aspect provides a kind of multimedia downloading method, can comprise:
When download apparatus receives the playing request of destination multimedia, detect the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Described download apparatus downloads the multimedia code stream meeting described play quality attribute from server, and described in being sent to by described multimedia code stream, at least one playback equipment is play.
Embodiment of the present invention second aspect provides a kind of multimedia download apparatus, can comprise:
Detecting unit, for when receiving the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Determining unit, for according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Download unit, for downloading the multimedia code stream meeting described play quality attribute from server;
First transmitting element, plays for described multimedia code stream being sent at least one playback equipment described.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of multimedia downloading method that the embodiment of the present invention provides;
Fig. 2 is the schematic flow sheet of the another kind of multimedia downloading method that the embodiment of the present invention provides;
Fig. 3 is the schematic flow sheet of another multimedia downloading method that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of multimedia download apparatus that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the another kind of multimedia download apparatus that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The multimedia downloading method that the embodiment of the present invention provides and device can be applied to the scene that same a piece of music play by multiple playback equipment simultaneously, such as: use multiple playback equipment jointly to play music, and from multiple playback equipment, select any one playback equipment as download apparatus, when download apparatus receives the playing request of target music, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the target music that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the music code stream of described play quality attribute, and music code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the target music that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play described target music simultaneously, improve result of broadcast, and then improve the intelligent of music download and convenience.
The playback equipment that the embodiment of the present invention relates to and download apparatus can be any possess communicate and the equipment of memory function, such as: panel computer, mobile phone, electronic reader, remote controller, personal computer (PersonalComputer, PC), notebook computer, mobile unit, Web TV, wearable device etc. have the intelligent playback equipment of network function.
Below in conjunction with accompanying drawing 1-accompanying drawing 3, the multimedia downloading method that the embodiment of the present invention provides is described in detail.
Refer to Fig. 1, for embodiments providing a kind of schematic flow sheet of multimedia downloading method.As shown in Figure 1, the described method of the embodiment of the present invention can comprise the following steps S101-step S103.
S101, when download apparatus receives the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Concrete, when receiving the playing request of destination multimedia, described download apparatus detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval.Wherein, described download apparatus is playback equipment equally, can with at least one playback equipment described play multimedia file simultaneously, described destination multimedia can be by word, picture, photo, sound, two kinds, animation and film etc. and two or more media combine composition, software program can be used to control described download apparatus by terminal use to the playing request of destination multimedia and described multiple playback equipment sends, in the alternative, also can be controlled graphic user interface (the Graphical UserInterface of download apparatus by terminal use to the playing request of destination multimedia, GUI) send.Described download apparatus with prefixed time interval, such as 1 minute or 3 minutes etc., the network transmission quality of download apparatus described in Real-Time Monitoring and at least one playback equipment described.Because the situations such as the unsteadiness of network, the position of playback equipment change can affect the network transmission quality of download apparatus and at least one playback equipment described, by its network transmission quality of Real-Time Monitoring, the intelligent of download apparatus and playback equipment can be improved.
S102, described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Concrete, described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play.Described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.Described play quality attribute comprises transformat and transmission code rate.Pass through the transmission code rate of multimedia file format that detected described network transmission quality can determine to play and described download apparatus and at least one playback equipment described.
S103, described download apparatus downloads the multimedia code stream meeting described play quality attribute from server, and described in being sent to by described multimedia code stream, at least one playback equipment is play.
Concrete, described download apparatus downloads the multimedia code stream meeting described play quality attribute from server, and described in being sent to by described multimedia code stream, at least one playback equipment is play.Such as: described download apparatus is when receiving the playing request to target music, the play quality attribute of determined this music of broadcasting is Mp3 form, 320kpbs speed, described download apparatus downloading rate can be less than or equal to the music file of the Mp3 form of 320kbps from server, and at least one playback equipment is play described in being sent to by described multimedia code stream, according to determined play quality attribute down-load music, the play multimedia that each player can be more smooth can be made, improve result of broadcast.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
Refer to Fig. 2, for embodiments providing the schematic flow sheet of another kind of multimedia downloading method.As shown in Figure 2, the described method of the embodiment of the present invention can comprise the following steps S201-step S204.
S201, when download apparatus receives the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Concrete, when receiving the playing request of destination multimedia, described download apparatus detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval.Wherein, described download apparatus is playback equipment equally, can with at least one playback equipment described play multimedia file simultaneously, described destination multimedia can be combined by two kinds, word, picture, photo, sound, animation and film etc. and two or more media and form, software program can be used to control described download apparatus by terminal use to the playing request of destination multimedia and described multiple playback equipment sends, in the alternative, the gui interface that the playing request of destination multimedia also can control download apparatus by terminal use is sent.Described download apparatus with prefixed time interval, such as 1 minute or 3 minutes etc., the network transmission quality of download apparatus described in Real-Time Monitoring and at least one playback equipment described.Because the situations such as the unsteadiness of network, the position of playback equipment change can affect the network transmission quality of download apparatus and at least one playback equipment described, by its network transmission quality of Real-Time Monitoring, the intelligent of download apparatus and playback equipment can be improved.
S202, described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Concrete, described download apparatus, according to the described network transmission quality between at least one playback equipment described, determines the play quality attribute of the destination multimedia that play quality attribute corresponding to the poorest network transmission quality can be play as at least one playback equipment described.Described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.Wherein, throughput refers to when not having LOF, the maximum rate that equipment can accept; Network congestion is a kind of network state of sustained overload, and now the demand of user to Internet resources (comprising link bandwidth, memory space and processor disposal ability etc.) has exceeded intrinsic capacity; Network delay refers to that data miscellaneous are transmitted by procotol (as TCP/IP) in network medium, is very much not limited if amount of information is crossed, and the network traffics exceeded the quata will cause equipment reaction slow, cause network delay; The error rate weighs the index of data transfer of data accuracy at the appointed time; Packet loss refers to that in test, institute's lost data packets quantity accounts for the ratio of sent packet.Described play quality attribute comprises transformat and transmission code rate.The described download apparatus at least one can passed through in detected network throughput, network congestion, network delay, the error rate and packet loss determines transformat and the transmission code rate of the destination multimedia that will play.
S203, described download apparatus downloads the multimedia code stream meeting described play quality attribute from server;
Concrete, described download apparatus downloads the multimedia code stream meeting described transformat and transmission code rate from server.Such as: described download apparatus is when receiving the playing request to target music, the play quality attribute of determined this music of broadcasting is Mp3 form, 320kpbs speed, and described download apparatus can be less than or equal to the music file of the Mp3 form of 320kbps by download bit rate from server.In preferred scheme, prioritizing selection is closest to the multimedia file of determined transmission rate.Can allow like this while playback equipment and download apparatus flow process play multimedia file and can also ensure that downloaded multimedia file is the best in quality.
S204, described multimedia code stream is carried out decoding and obtains multi-medium data by described download apparatus, and decoded described multi-medium data is sent at least one playback equipment described;
Concrete, described multimedia code stream is carried out decoding and obtains multi-medium data by described download apparatus, and decoded described multi-medium data is sent at least one playback equipment described, play described multi-medium data to make at least one playback equipment described and described download apparatus simultaneously.According to determined play quality attribute down-load music, the play multimedia that each player can be more smooth can be made, improve result of broadcast.
In the present embodiment, it should be noted that, described download apparatus adopts grid network to be connected with at least one playback equipment described, common grid network has ad-hoc mode network, Mesh network etc., wireless mesh network can communicate with other network cooperating, being the network architecture can constantly expanded dynamically, all can keeping wireless interconnected to using any two equipment of wireless Mesh netword.Because Mesh network can communicate with other network cooperatings, therefore, in multiple playback equipment, select one of them to be connected with WIFI or cable network, the function of play multimedia while of multiple playback equipment can be realized, enhance the intelligent of play multimedia and convenience.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
Refer to Fig. 3, for embodiments providing the schematic flow sheet of another kind of multimedia downloading method.As shown in Figure 2, the described method of the embodiment of the present invention can comprise the following steps S301-step S304.
S301, when download apparatus receives the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
S302, described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
S303, described download apparatus downloads the multimedia code stream meeting described play quality attribute from server;
The step S301-step S303 of the present embodiment can the step S201-step S203 of embodiment shown in Figure 2, is not repeated herein.
S304, described multimedia code stream is sent at least one playback equipment described by described download apparatus,
Concrete, described multimedia code stream is sent at least one playback equipment described by described download apparatus, to make at least one playback equipment described to after described multimedia code stream decoding acquisition multi-medium data, at least one playback equipment described and described download apparatus play described multi-medium data simultaneously.According to determined play quality attribute down-load music, the play multimedia that each player can be more smooth can be made, improve result of broadcast.
In the present embodiment, it should be noted that, described download apparatus adopts grid network to be connected with at least one playback equipment described, common grid network has ad-hoc mode network, Mesh network etc., wireless mesh network can communicate with other network cooperating, being the network architecture can constantly expanded dynamically, all can keeping wireless interconnected to using any two equipment of wireless Mesh netword.Because Mesh network can communicate with other network cooperatings, therefore, in multiple playback equipment, select one of them to be connected with WIFI or cable network, the function of play multimedia while of multiple playback equipment can be realized, enhance the intelligent of play multimedia and convenience.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
Below in conjunction with accompanying drawing 4-accompanying drawing 5, the multimedia download apparatus that the embodiment of the present invention provides is described in detail.It should be noted that, multimedia download apparatus shown in accompanying drawing 4-accompanying drawing 5, for performing the method for Fig. 1 of the present invention-embodiment illustrated in fig. 3, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, and please refer to the embodiment shown in Fig. 1-Fig. 3 of the present invention.
Refer to Fig. 3, for embodiments providing a kind of structural representation of multimedia download apparatus.As shown in Figure 3, the described multimedia download apparatus of the embodiment of the present invention can comprise: detecting unit 11, determining unit 12, download unit 13 and the first transmitting element 14.
Detecting unit 11, for when receiving the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
In specific implementation, when receiving the playing request of destination multimedia, described detecting unit 11 detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval.Wherein, described download apparatus is playback equipment equally, can with at least one playback equipment described play multimedia file simultaneously, described destination multimedia can be combined by two kinds, word, picture, photo, sound, animation and film etc. and two or more media and form, software program can be used to control described download apparatus by terminal use to the playing request of destination multimedia and described multiple playback equipment sends, in the alternative, the gui interface that the playing request of destination multimedia also can control download apparatus by terminal use is sent.Described download apparatus with prefixed time interval, such as 1 minute or 3 minutes etc., the network transmission quality of download apparatus described in Real-Time Monitoring and at least one playback equipment described.Because the situations such as the unsteadiness of network, the position of playback equipment change can affect the network transmission quality of download apparatus and at least one playback equipment described, by its network transmission quality of Real-Time Monitoring, the intelligent of download apparatus and playback equipment can be improved.
Determining unit 12, for according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
In specific implementation, described determining unit 12, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play.Described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.Described play quality attribute comprises transformat and transmission code rate.Pass through the transmission code rate of multimedia file format that detected described network transmission quality can determine to play and described download apparatus and at least one playback equipment described.
Download unit 13, for downloading the multimedia code stream meeting described play quality attribute from server;
In specific implementation, described download unit 13 downloads the multimedia code stream meeting described transformat and transmission code rate from server.Such as: described download apparatus is when receiving the playing request to target music, the play quality attribute of determined this music of broadcasting is Mp3 form, 320kpbs speed, and described download unit 13 downloading rate can be less than or equal to the music file of the Mp3 form of 320kbps from server.
First transmitting element 14, plays for described multimedia code stream being sent at least one playback equipment described.
In specific implementation, described multimedia code stream is sent at least one playback equipment described by described first transmitting element 14, to make at least one playback equipment described to after described multimedia code stream decoding acquisition multi-medium data, at least one playback equipment described and described download apparatus play described multi-medium data simultaneously.According to determined play quality attribute down-load music, the play multimedia that each player can be more smooth can be made, improve result of broadcast.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
Refer to Fig. 4, for embodiments providing the structural representation of another kind of multimedia download apparatus.As shown in Figure 4, the described multimedia download apparatus of the embodiment of the present invention can comprise: detecting unit 11, determining unit 12, download unit 13, first transmitting element 14, decoding unit 141, second transmitting element 142.
Detecting unit 11, for when receiving the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
In specific implementation, when receiving the playing request of destination multimedia, described detecting unit 11 detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval.Wherein, described download apparatus is playback equipment equally, can with at least one playback equipment described play multimedia file simultaneously, described destination multimedia can be combined by two kinds, word, picture, photo, sound, animation and film etc. and two or more media and form, software program can be used to control described download apparatus by terminal use to the playing request of destination multimedia and described multiple playback equipment sends, in the alternative, the gui interface that the playing request of destination multimedia also can control download apparatus by terminal use is sent.Described download apparatus with prefixed time interval, such as 1 minute or 3 minutes etc., the network transmission quality of download apparatus described in Real-Time Monitoring and at least one playback equipment described.Because the situations such as the unsteadiness of network, the position of playback equipment change can affect the network transmission quality of download apparatus and at least one playback equipment described, by its network transmission quality of Real-Time Monitoring, the intelligent of download apparatus and playback equipment can be improved.
Determining unit 12, for according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
In specific implementation, described determining unit 12, according to the described network transmission quality between at least one playback equipment described, determines the play quality attribute of the destination multimedia that play quality attribute corresponding to the poorest network transmission quality can be play as at least one playback equipment described.Described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.Wherein, throughput refers to when not having LOF, the maximum rate that equipment can accept; Network congestion is a kind of network state of sustained overload, and now the demand of user to Internet resources (comprising link bandwidth, memory space and processor disposal ability etc.) has exceeded intrinsic capacity; Network delay refers to that data miscellaneous are transmitted by procotol (as TCP/IP) in network medium, is very much not limited if amount of information is crossed, and the network traffics exceeded the quata will cause equipment reaction slow, cause network delay; The error rate weighs the index of data transfer of data accuracy at the appointed time; Packet loss refers to that in test, institute's lost data packets quantity accounts for the ratio of sent packet.Described play quality attribute comprises transformat and transmission code rate.Described determining unit 12 at least one can passed through in detected network throughput, network congestion, network delay, the error rate and packet loss determines transformat and the transmission code rate of the destination multimedia that will play.
Download unit 13, for downloading the multimedia code stream meeting described play quality attribute from server;
In specific implementation, described download unit 13 downloads the multimedia code stream meeting described transformat and transmission code rate from server.Such as: described download apparatus is when receiving the playing request to target music, the play quality attribute of determined this music of broadcasting is Mp3 form, 320kpbs speed, and described download apparatus can be less than or equal to the music file of the Mp3 form of 320kbps by download bit rate from server.In preferred scheme, prioritizing selection is closest to the multimedia file of determined transmission rate.Can allow like this while playback equipment and download apparatus flow process play multimedia file and can also ensure that downloaded multimedia file is the best in quality.
First transmitting element 14, plays for described multimedia code stream being sent at least one playback equipment described.
In specific implementation, described first transmitting element 14 can comprise: decoding unit 141, second transmitting element 142.
Decoding unit 141, obtains multi-medium data for described multimedia code stream being carried out decoding;
In specific implementation, described multimedia code stream is decoded by described decoding unit 141, is converted to multi-medium data, can play to make described multi-medium data.
Second transmitting element 142, for being sent at least one playback equipment described by decoded described multi-medium data;
In specific implementation, described second transmitting element 142, by decoded multi-medium data, is sent at least one playback equipment described, plays described multi-medium data to make at least one playback equipment described and described download apparatus simultaneously.According to determined play quality attribute down-load music, the play multimedia that each player can be more smooth can be made, improve result of broadcast.
In the present embodiment, it should be noted that, described download apparatus adopts grid network to be connected with at least one playback equipment described, common grid network has ad-hoc mode network, Mesh network etc., wireless mesh network can communicate with other network cooperating, being the network architecture can constantly expanded dynamically, all can keeping wireless interconnected to using any two equipment of wireless Mesh netword.Because Mesh network can communicate with other network cooperatings, therefore, in multiple playback equipment, select one of them to be connected with WIFI or cable network, the function of play multimedia while of multiple playback equipment can be realized, enhance the intelligent of play multimedia and convenience.
In the present embodiment, when download apparatus receives the playing request of destination multimedia, detect the network transmission quality of download apparatus and one or more playback equipment with prefixed time interval; Download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that one or more playback equipment can be play; Download apparatus is downloaded from server and is met the multimedia code stream of described play quality attribute, and multimedia code stream is sent to described one or more playback equipment and plays.By determining the play quality attribute of the destination multimedia that can play according to the network transmission quality of download apparatus and each playback equipment, make each playback equipment can play identical destination multimedia simultaneously, improve result of broadcast, and then improve the intelligent and convenience of multimedia download.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (14)
1. a multimedia downloading method, is applied in multiple playback equipments of common play multimedia, and selects any one playback equipment as download apparatus from described multiple playback equipment, it is characterized in that, comprising:
When described download apparatus receives the playing request of destination multimedia, detect the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Described download apparatus, according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Described download apparatus downloads the multimedia code stream meeting described play quality attribute from server, and described in being sent to by described multimedia code stream, at least one playback equipment is play.
2. method according to claim 1, is characterized in that, described download apparatus, according to described network transmission quality, is determined the play quality attribute of the destination multimedia that at least one playback equipment described can be play, being comprised:
Described download apparatus, according to the described network transmission quality between at least one playback equipment described, determines the play quality attribute of the destination multimedia that play quality attribute corresponding to the poorest network transmission quality can be play as at least one playback equipment described.
3. method according to claim 1 and 2, is characterized in that, comprising: described play quality attribute comprises transformat and transmission code rate.
4. method according to claim 1, is characterized in that, comprising: described download apparatus adopts grid network to be connected with at least one playback equipment described.
5. method according to claim 1, is characterized in that, comprising: described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.
6. method according to claim 1, is characterized in that, described multimedia code stream is sent at least one playback equipment described and plays by described download apparatus, comprising:
Described multimedia code stream is carried out decoding and obtains multi-medium data by described download apparatus, and decoded described multi-medium data is sent at least one playback equipment described, play described multi-medium data to make at least one playback equipment described and described download apparatus simultaneously.
7. method according to claim 1, is characterized in that, described multimedia code stream is sent at least one playback equipment described and plays by described download apparatus, comprising:
Described multimedia code stream is sent at least one playback equipment described by described download apparatus, to make at least one playback equipment described to after described multimedia code stream decoding acquisition multi-medium data, at least one playback equipment described and described download apparatus play described multi-medium data simultaneously.
8. a multimedia download apparatus, is applied in multiple playback equipments of common play multimedia, and selects any one playback equipment as download apparatus from described multiple playback equipment, it is characterized in that, comprising:
Detecting unit, for when described download apparatus receives the playing request of destination multimedia, detects the network transmission quality of described download apparatus and at least one playback equipment with prefixed time interval;
Determining unit, for according to described network transmission quality, determines the play quality attribute of the destination multimedia that at least one playback equipment described can be play;
Download unit, for downloading the multimedia code stream meeting described play quality attribute from server;
First transmitting element, plays for described multimedia code stream being sent at least one playback equipment described.
9. device according to claim 8, it is characterized in that, described determining unit specifically for according to and at least one playback equipment described between described network transmission quality, determine the play quality attribute of the destination multimedia that play quality attribute corresponding to the poorest network transmission quality can be play as at least one playback equipment described.
10. device according to claim 8 or claim 9, is characterized in that, comprising: described play quality attribute comprises transformat and transmission code rate.
11. devices according to claim 8, is characterized in that, comprising: described download apparatus adopts grid network to be connected with at least one playback equipment described.
12. devices according to claim 8, is characterized in that, comprising: described network transmission quality comprises: at least one in network throughput, network congestion, network delay, the error rate and packet loss.
13. devices according to claim 8, is characterized in that, described first transmitting element comprises:
Decoding unit, obtains multi-medium data for described multimedia code stream being carried out decoding;
Second transmitting element, for decoded described multi-medium data being sent at least one playback equipment described, plays described multi-medium data to make at least one playback equipment described and described download apparatus simultaneously.
14. devices according to claim 8, it is characterized in that, described first transmitting element is specifically for being sent at least one playback equipment described by described multimedia code stream, to make at least one playback equipment described to after described multimedia code stream decoding acquisition multi-medium data, at least one playback equipment described and described download apparatus play described multi-medium data simultaneously.
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