CN107172010A - Fusion net multimedia system based on eMBMS - Google Patents
Fusion net multimedia system based on eMBMS Download PDFInfo
- Publication number
- CN107172010A CN107172010A CN201710253032.6A CN201710253032A CN107172010A CN 107172010 A CN107172010 A CN 107172010A CN 201710253032 A CN201710253032 A CN 201710253032A CN 107172010 A CN107172010 A CN 107172010A
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- Prior art keywords
- embms
- multimedia
- cmt
- agreements
- packet
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
Abstract
The invention discloses a kind of fusion net multimedia system for supporting eMBMS, including multimedia server, eMBMS modules and multiple terminals；Multimedia server, the packet for the original multimedia data received from broadcasting center to be converted into meeting to CMT agreements；EMBMS modules, for receiving the packet for meeting CMT agreements, implement eMBMS operation flows, each terminal are given by the packet delivery for meeting CMT agreements；Any terminal, the packet for meeting CMT agreements described in receiving is supplied to client.The present invention realizes real-time, the diversified multimedia broadcast service system of Consumer's Experience based on fusion net multimedia transmission form and agreement combination eMBMS technologies.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to a kind of fusion net multimedia system based on eMBMS.
Background technology
With MBMS's (Multimedia Broadcast Multicast Service, multimedia broadcast multi-broadcasting business)
Occur, the development of particularly eMBMS (enhanced multimedia broadcast multicast service) technology, operator can carry out mobile TV industry
Business, with bigger bandwidth there is provided more channels and video content, while video pictures become apparent from smoothness, Consumer's Experience is more
It is good.
But only can not also carry out opening for multi-media broadcasting service by enhanced multimedia broadcast multicast service technology
Exhibition, in addition it is also necessary to transport layer and Internet, or even application layer host-host protocol efficient support.
The content of the invention
In order to overcome the defect of above-mentioned prior art, eMBMS is based on the technical problem to be solved in the present invention is to provide one kind
Fusion net multimedia system, to realize multi-media broadcasting service.
In order to solve the above technical problems, a kind of in the present invention supports eMBMS fusion net multimedia system, including many matchmakers
Body server, eMBMS modules and multiple terminals；
The multimedia server, for being converted into the original multimedia data received from broadcasting center to meet CMT associations
The packet of view；
The eMBMS modules, for receiving the packet for meeting CMT agreements, implement eMBMS operation flows, will
The packet delivery for meeting CMT agreements gives each terminal；
Any terminal, the packet for meeting CMT agreements described in receiving is supplied to client.
Alternatively, the multimedia server, will be from wide specifically for according to fusion net multimedia transmission form and agreement
The multi-medium data for broadcasting center reception is converted into meeting the packet of CMT agreements.
Alternatively, it is described according to fusion net multimedia transmission form and agreement, by the multimedia number received from broadcasting center
According to the packet for being converted into meeting CMT agreements, including：
The multi-medium data is demultiplexed into the packet for meeting CMT agreements.
Alternatively, the multimedia server, specifically for media data packet cutting is generated into one or more MEU
Unit；
By each MEU units generation correspondence CMTP packets；
The CMTP packets are sent to the multimedia server.
Specifically, the multimedia server is in cutting, according to the delay requirement to the multi-medium data of setting
Cut.
Specifically, the multimedia server is cut in cutting according to setting key frame.
Specifically, the multimedia server, is additionally operable to the signaling data that will be received from the broadcasting center, by the letter
Make data conversion into the signaling data bag for meeting CMT agreements, the signaling data bag is sent to the eMBMS modules.
Specifically, the eMBMS modules, with specific reference to the CMTP packets received and the signaling data bag point
With multicast ip address, and set up eMBMS bearer path；
The CMTP packets and the signaling data bag are distributed to each described terminal.
Specifically, any terminal, specifically for by the CMTP packets received and the signaling data bag
Unpack respectively, obtain corresponding multi-medium data and signaling information；
The multi-medium data is recombinated, the multi-medium data after restructuring is decoded；
According to the signaling message, there is provided to client after decoded multi-medium data is rendered.
Alternatively, the system also includes：
Broadcasting center, for providing original multimedia data and signaling data, and by the original multimedia data and
Signaling data is sent to the multimedia server.
The present invention has the beneficial effect that：
The present invention realizes that real-time, Consumer's Experience is more based on fusion net multimedia transmission form and agreement combination eMBMS technologies
The multimedia broadcast service system of sample.
Brief description of the drawings
Fig. 1 is the stratal diagram of the fusion net multimedia system based on eMBMS in the embodiment of the present invention；
Fig. 2 is the workflow diagram of the fusion net multimedia system based on eMBMS in the embodiment of the present invention；
Fig. 3 is protocol conversion flow chart in the embodiment of the present invention；
Fig. 4 is the configuration diagram of terminal in the embodiment of the present invention.
Embodiment
In order to realize multi-media broadcasting service, the invention provides a kind of fusion net multimedia system based on eMBMS, with
Lower combination accompanying drawing and embodiment, the present invention will be described in further detail.It should be appreciated that specific implementation described herein
Example does not limit the present invention only to explain the present invention.
A kind of fusion net multimedia system for supporting eMBMS in the embodiment of the present invention, including multimedia server, eMBMS
Module and multiple terminals：
Multimedia server, for the original multimedia data received from broadcasting center to be converted into meeting CMT
The packet of (Convergence network Multimedia Transport, fusion net multimedia transmission) agreement；
EMBMS modules, for receiving the packet for meeting CMT agreements, implement eMBMS operation flows, will be described
Meet the packet delivery of CMT agreements to each terminal；
Any terminal, the packet for meeting CMT agreements described in receiving is supplied to client.
Specifically, Fig. 1 is the framework of the level of the fusion net multimedia system based on eMBMS in the embodiment of the present invention；Such as
Shown in Fig. 1, including application layer, media coding layer, network and transport layer (signaling, media processing units, CMT are transmitted),
IP layers of TCP/UDP over, physical layer (LTE eMBMS).
Fusion net broadcasting center (abbreviation broadcasting center) prepares the content of multimedia that form is not limited.
Net multimedia server (abbreviation multimedia server) is merged according to fusion net multimedia form and agreement many matchmakers
Hold in vivo and be converted into MEU (Media Encapsulation Unit, media encapsulation unit), signaling message etc..Specifically, demultiplex
It is H.264 AAC, SI/PSI etc. with forms such as TS, and according to CMT protocol generation MEU, CMTP (Convergence
Network Multimedia Transport Prot, fusion net media transport protocol) packet etc..
Fusion net eMBMS modules (abbreviation eMBMS modules) distribution multicast ip address, sets up the transmission of eMBMS bearer path
EMBMS data.
Merge network termination (abbreviation terminal) side joint and receive multicast packet, decode render process.Specifically, by eMBMS
Between part solution media data packet and signaling data bag, restructuring MEU, decoded by FFmpeg softwares or hardware, pass through SDL, OpenGL
Rendered Deng multimedia development storehouse.
, will be from specifically for according to fusion net multimedia transmission form and agreement that is, the multimedia server
The multi-medium data that broadcasting center is received is converted into meeting the packet of CMT agreements.
Wherein, it is described according to fusion net multimedia transmission form and agreement, the multi-medium data that will be received from broadcasting center
It is converted into meeting the packet of CMT agreements, including：
The multi-medium data (TS forms) is demultiplexed into meet CMT agreements packet (including H.264, AAC, SI/
PSI etc.).
Specifically, the multimedia server, is additionally operable to one or more MEU by media data packet cutting generation mono-
First (media processing units)；
By each MEU units generation correspondence CMTP packets (fusion net media transport protocol packet)；
The CMTP packets are sent to the multimedia server.
Wherein, the multimedia server enters in cutting according to the delay requirement to the multi-medium data of setting
Row cutting.That is, the MEU of cutting size can be set according to delay requirement.
Wherein, the multimedia server is cut in cutting according to setting key frame.The embodiment of the present invention according to
Key frame is cut, effectively the time delay of reduction multi-medium data.
Furtherly, the multimedia server, is additionally operable to the signaling data that will be received from the broadcasting center, will be described
Signaling data is converted into meeting the signaling data bag of CMT agreements, and the signaling data bag is sent into the eMBMS modules.
The eMBMS modules, multicast is distributed with specific reference to the CMTP packets received and the signaling data bag
IP address, and set up eMBMS bearer path；
The CMTP packets and the signaling data bag are distributed to each described terminal.
Furtherly, any terminal, specifically for by the CMTP packets received and the signaling data
Bag is unpacked respectively, obtains corresponding multi-medium data and signaling information；
The multi-medium data is recombinated, the multi-medium data after restructuring is decoded；
According to the signaling message, there is provided to client after decoded multi-medium data is rendered.
Furtherly, the system also includes：
Broadcasting center, for providing original multimedia data, and the original multimedia data is sent to described many
Media server.
Sketch the multimedia flow of system in the embodiment of the present invention.For convenience of description, fusion net is defined below many
Media transmission form and agreement are CMT agreements.
As shown in Fig. 2 S300, broadcasting center sends content of multimedia.Broadcasting center is the content of multi-media broadcasting service
Offer center.The form of content can be TS forms but be not limited to this form.Audio/video coding form is not limited, Ke Yiwei
H.264, H.265, AVS etc..
S310, CMT server receive the content of multimedia that broadcasting center is sent.And according to fusion net multimedia transmission lattice
Formula and agreement are converted into corresponding content of multimedia the packet for meeting CMT agreements.Packet is divided into media data packet and letter
Make two kinds of packet.
Concrete mode as shown in figure 3, by taking TS forms as an example, by demultiplex TS formatted datas demultiplex into H.264 grade,
The information such as AAC etc. and SI/PSI, wherein video data carry out MEU generations and the generation of CMTP packets according to CMT agreements, MEU's
Generation can need to cut size according to real-time, finally send CMTP packets.Whole process reaches Millisecond processing and sent out
Send, so as to effectively reduce time delay.
S320, eMBMS module receive the packet for meeting CMT agreements that CMT servers are sent, and implement eMBMS business
Flow, including the flow such as business declaration, session start, MBMS notices, data transfer, conversation end, session updates.It is wherein main
Business is distribution IP multicast address, sets up MBMS bearer path, transfers data to each terminal.
S330, each terminal receives multi-medium data, is supplied to client to render after unpacking, recombinating, decode and broadcasts
Put.
The specific framework in end side is as shown in figure 4, wherein LTE Modem chips are to support the chip of eMBMS functions
EMBMS middlewares provide interface, receive multicast data flow.
EMBMS Middleware implementation CMT protocol stacks, it is main to include multicast packet is unpacked and recombinated, to signaling number
It is to extract information according to the unpacking main purpose of bag, for example, plays pattern during media, including position, resolution ratio etc..
Restructuring is the restructuring for media data packet, unpacks after media data packet, is reassembled as meeting the MEU lattice of CMT agreements
Formula data cell.Then data are decoded, using in the following manner but in the following manner can be not limited to during decoding：
Soft decoding is carried out using FFmpeg；
Hardware decoding is carried using mobile phone terminal.
After the completion of decoding, each frame picture is sent to upper strata and rendered, the mode of rendering can be using in the following manner but not
It is limited in the following manner：
SDL multimedia developments storehouse；
OpenGL multimedia developments storehouse；
In render process, the information that can be obtained according to unpacking signaling message gives user diversified presentation, rich interactive
Mode, improves Consumer's Experience.
System in the embodiment of the present invention, by CMT servers, in the multimedia provided according to CMT agreements broadcasting center
Appearance is changed, can be from ISOBMFF angles to Box processing so that the MEU of cutting is smaller, so as to reach real-time broadcasting
The effect of (low time delay).
In the embodiment that the present invention is provided, by signaling message as defined in CMT agreements, carried after unpacking by this message
Information, can to user it is more diversified present, so as to improve Consumer's Experience.
In the embodiment that the present invention is provided, by the combination of CMT servers and eMBMS functions, content can be allowed to provide
Business carries out flexible multi-media broadcasting service.
By to content of multimedia meet the packet encapsulation of CMT agreements, the effect of reduction Playout delay is reached.
Although This application describes the particular example of the present invention, those skilled in the art can not depart from the present invention generally
Variant of the invention is designed on the basis of thought.
Those skilled in the art are under the inspiration that the technology of the present invention is conceived, on the basis of present invention is not departed from, also
Various improvement can be made to the method for the present invention, this still falls within the scope and spirit of the invention.
Claims (10)
1. a kind of fusion net multimedia system for supporting eMBMS, it is characterised in that the system include multimedia server,
EMBMS modules and multiple terminals；
The multimedia server, for being converted into the original multimedia data received from broadcasting center to meet CMT agreements
Packet；
The eMBMS modules, for receiving the packet for meeting CMT agreements, implement eMBMS operation flows, will be described
Meet the packet delivery of CMT agreements to each terminal；
Any terminal, the packet for meeting CMT agreements described in receiving is supplied to client.
2. the system as claimed in claim 1, it is characterised in that the multimedia server, specifically for many according to fusion net
Media transmission form and agreement, the multi-medium data received from broadcasting center are converted into meeting the packet of CMT agreements.
3. the system as claimed in claim 1, it is characterised in that described according to fusion net multimedia transmission form and agreement, will
The multi-medium data received from broadcasting center is converted into meeting the packet of CMT agreements, including：
The multi-medium data is demultiplexed into the packet for meeting CMT agreements.
4. the system as claimed in claim 1, it is characterised in that the multimedia server, specifically for by the media number
One or more MEU units are generated according to bag cutting；
By each MEU units generation correspondence CMTP packets；
The CMTP packets are sent to the multimedia server.
5. system as claimed in claim 4, it is characterised in that the multimedia server is in cutting, according to pair of setting
The delay requirement of the multi-medium data is cut.
6. system as claimed in claim 4, it is characterised in that the multimedia server is crucial according to setting in cutting
Frame is cut.
7. system as claimed in claim 4, it is characterised in that the multimedia server, is additionally operable to from the broadcast
The signaling data that the heart is received, the signaling data is converted into meeting the signaling data bag of CMT agreements, by the signaling data bag
It is sent to the eMBMS modules.
8. system as claimed in claim 7, it is characterised in that the eMBMS modules, specifically for according to receiving
CMTP packets and signaling data bag distribution multicast ip address, and set up eMBMS bearer path；
The CMTP packets and the signaling data bag are distributed to each described terminal.
9. system as claimed in claim 8, it is characterised in that any terminal, specifically for it will receive described in
CMTP packets and the signaling data bag are unpacked respectively, obtain corresponding multi-medium data and signaling information；
The multi-medium data is recombinated, the multi-medium data after restructuring is decoded；
According to the signaling message, there is provided to client after decoded multi-medium data is rendered.
10. the system as described in any one in claim 1-9, it is characterised in that the system also includes：
Broadcasting center, for providing original multimedia data and signaling data, and by the original multimedia data and signaling
Data are sent to the multimedia server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253032.6A CN107172010A (en) | 2017-04-18 | 2017-04-18 | Fusion net multimedia system based on eMBMS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253032.6A CN107172010A (en) | 2017-04-18 | 2017-04-18 | Fusion net multimedia system based on eMBMS |
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| CN107172010A true CN107172010A (en) | 2017-09-15 |
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ID=59812244
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| CN201710253032.6A Pending CN107172010A (en) | 2017-04-18 | 2017-04-18 | Fusion net multimedia system based on eMBMS |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568068A (en) * | 2008-04-22 | 2009-10-28 | 华为技术有限公司 | Broadcasting/multicasting method and broadcasting/multicasting equipment |
| CN101702722B (en) * | 2009-10-28 | 2015-01-21 | 北京中星微电子有限公司 | Multi-media system converging multiple services and control method |
| CN104919756A (en) * | 2013-01-04 | 2015-09-16 | 高通股份有限公司 | EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT |
| CN105165056A (en) * | 2013-05-08 | 2015-12-16 | 高通股份有限公司 | Parallel registration to offload PLMN with single SIM |
| US20160072634A1 (en) * | 2014-09-05 | 2016-03-10 | Qualcomm Incorporated | Header compaction for optimized processing and retransmission of tunneled multicast data for an embms client distributed architecture |
-
2017
- 2017-04-18 CN CN201710253032.6A patent/CN107172010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568068A (en) * | 2008-04-22 | 2009-10-28 | 华为技术有限公司 | Broadcasting/multicasting method and broadcasting/multicasting equipment |
| CN101702722B (en) * | 2009-10-28 | 2015-01-21 | 北京中星微电子有限公司 | Multi-media system converging multiple services and control method |
| CN104919756A (en) * | 2013-01-04 | 2015-09-16 | 高通股份有限公司 | EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICES (eMBMS) CLUSTER MANAGEMENT |
| CN105165056A (en) * | 2013-05-08 | 2015-12-16 | 高通股份有限公司 | Parallel registration to offload PLMN with single SIM |
| US20160072634A1 (en) * | 2014-09-05 | 2016-03-10 | Qualcomm Incorporated | Header compaction for optimized processing and retransmission of tunneled multicast data for an embms client distributed architecture |
Non-Patent Citations (1)
| Title |
|---|
| 江天明等: "TD-LTE MBMS关键技术研究", 《技术创新》 * |
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Application publication date: 20170915 |
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