CN105812907B - A kind of online multimedia program stream sharing method and device - Google Patents
A kind of online multimedia program stream sharing method and device Download PDFInfo
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- CN105812907B CN105812907B CN201610171496.8A CN201610171496A CN105812907B CN 105812907 B CN105812907 B CN 105812907B CN 201610171496 A CN201610171496 A CN 201610171496A CN 105812907 B CN105812907 B CN 105812907B
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 48
- 238000013442 quality metrics Methods 0.000 claims abstract description 44
- 238000007781 pre-processing Methods 0.000 claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001953 sensory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
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- 238000004590 computer program Methods 0.000 description 5
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Classifications
-
- 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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- 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
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
-
- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of online multimedia program stream sharing method and devices, described device includes program stream driving means, shared system and playback equipment, described method includes following steps: program stream driving means sends program data and flow to shared system first, and the program data stream includes video flowing and audio stream；Then Video Quality Metric unit converts the color space of video flowing, and audio format is converted to default processing format by Audio pre-processing unit；Then shared cell by after Video Quality Metric cell processing video flowing and Audio pre-processing unit treated that audio stream is distributed to playback equipment；Then playback equipment receives video flowing and audio stream from shared cell, and plays out.Program stream is pushed to more playback equipments by shared system, only needs a program stream driving means, program stream can be pushed to more different playback equipments, greatly reduce the hardware cost that user watches program stream, bring better sensory experience to user.
Description
Technical field
The present invention relates to field of video applications, in particular to a kind of online multimedia program stream sharing method and device.
Background technique
With the fast development of video industry, set-top box is widely applied, set-top box be a connection television set with
The equipment of outside source.The digital signal of compression can be changed into television content by it, and be shown on a television set.Signal
It can come from wire cable, satellite antenna, broadband network and terrestrial broadcasting.The received content of set-top box can in addition to simulated television
Except the image of offer, sound, more it is that digital content, including electronic program guides, internet webpage, subtitle can be received
Etc..Enable users to watch digital television program on existing television set, and can be interacted by network formula digitlization amusement,
Education and commercialization activity.
When watching video pictures, it is clear, smooth that user is not intended merely to seen video pictures, and it is desirable that set-top box
More program stream datas can be pushed.However, existing top box of digital machine can only often arrange in pairs or groups, a television set is watched,
Either wireless terminal or cable television require after establishing connection with set-top box, just can receive the program of set-top box push,
And the switching of the program of set-top box push is generally required to rely on remote controler to execute, it is cumbersome, and when apart from farther out, just
It is unable to complete the handover operation to program stream.
In conclusion the problems such as how solving existing set-top box program is single, complicated for operation when pushing program stream, is view
Frequency application field a urgent problem needed to be solved.
Summary of the invention
For this reason, it may be necessary to provide a kind of technical solution that online multimedia program stream is shared, exist to solve existing set-top box
The problems such as program is single, complicated for operation when pushing program stream.
To achieve the above object, a kind of online multimedia program stream sharing means are inventor provided, described device includes
Program stream driving means, shared system and playback equipment, the program stream driving means is connect with the shared system, described total
The system of enjoying includes Video Quality Metric unit, Audio pre-processing unit and shared cell；The Video Quality Metric unit and shared cell connect
It connects, the Audio pre-processing unit is connect with shared cell, and the shared cell is connect with playback equipment；
The program stream driving means flow to shared system for sending program data, and the program data stream includes video
Stream and audio stream；
For converting to the color space of video flowing, the Audio pre-processing unit is used for the Video Quality Metric unit
Audio format is converted into default processing format；
The shared cell be used for by after Video Quality Metric cell processing video flowing and Audio pre-processing unit processing after
Audio stream be distributed to playback equipment；
The playback equipment is played out for receiving video flowing and audio stream from shared cell.
Further, the shared system includes wired sharing module and wireless sharing module, then the playback equipment packet
Include wired playback equipment and wireless playing equipment；
Wired sharing module is used for will be at the video flowing and Audio pre-processing unit after Video Quality Metric cell processing
Audio stream after reason is distributed to playback equipment；
The wireless sharing module is for encoding video flowing and audio stream, and by the audio stream and video after coding
Stream is sent to wireless playing equipment.
Further, the shared cell further includes video quality monitoring module；
The video quality monitoring module is used to detect the bandwidth according to current network, to the resolution ratio and code rate of video flowing
It is adjusted.
Further, the shared cell further includes Reverse Turning Control module；
The Reverse Turning Control module is used to receive the program stream playing request of playback equipment transmission, and playing request is forwarded
To program stream driving means；
The program stream driving means is for sending the corresponding program data of the playing request and flowing to after receiving playing request
Shared system.
Further, the Reverse Turning Control module is also used to receive the operational order of playback equipment transmission, and operation is referred to
Order is forwarded to program stream driving means；After the program stream driving means is also used to receive operational order, the operational order is executed
Corresponding operation.
Inventor additionally provides a kind of online multimedia program stream sharing method, and the method is applied to online multimedia section
Mesh stream sharing means, described device include program stream driving means, shared system and playback equipment, the program stream driving means
It is connect with the shared system, the shared system includes Video Quality Metric unit, Audio pre-processing unit and shared cell；It is described
Video Quality Metric unit is connect with shared cell, and the Audio pre-processing unit is connect with shared cell, the shared cell with broadcast
Put equipment connection；Described method includes following steps:
Program stream driving means sends program data and flow to shared system, and the program data stream includes video flowing and audio
Stream；
Video Quality Metric unit converts the color space of video flowing, and Audio pre-processing unit is converted to audio format
Default processing format；
Shared cell is by the video flowing and Audio pre-processing unit treated audio stream after Video Quality Metric cell processing
It is distributed to playback equipment；
Playback equipment receives video flowing and audio stream from shared cell, and plays out.
Further, the shared system includes wired sharing module and wireless sharing module, and the playback equipment includes
Wired playback equipment and wireless playing equipment；The method also includes:
Wired sharing module is by the video flowing and Audio pre-processing unit treated sound after Video Quality Metric cell processing
Frequency flow point is dealt into playback equipment；
Wireless sharing module encodes video flowing and audio stream, and by after coding audio stream and video stream extremely
Wireless playing equipment.
Further, the shared cell further includes video quality monitoring module；The described method includes:
Video quality monitoring module detects the bandwidth according to current network, adjusts to the resolution ratio and code rate of video flowing
Section.
Further, the shared cell further includes Reverse Turning Control module；The described method includes:
Reverse Turning Control module receives the program stream playing request that playback equipment is sent, and playing request is forwarded to program stream
Driving means；
After program stream driving means receives playing request, sends the corresponding program data of the playing request and flow to shared system
System.
Further, the method also includes:
Reverse Turning Control module receives the operational order that playback equipment is sent, and operational order is forwarded to program stream push dress
It sets；
After program stream driving means receives operational order, the corresponding operation of the operational order is executed.
Online multimedia program stream sharing method and device described in above-mentioned technical proposal, the method are applied to online more
Media program stream sharing means, described device include program stream driving means, shared system and playback equipment, and the program stream pushes away
Device is sent to connect with the shared system, the shared system includes Video Quality Metric unit, Audio pre-processing unit and shared list
Member, the shared cell include program stream processing unit and program stream Dispatching Unit；The Video Quality Metric unit and shared cell
Connection, the Audio pre-processing unit are connect with shared cell, and the shared cell is connect with playback equipment；The method includes
Following steps: program stream driving means sends program data and flow to shared system first, and the program data stream includes video flowing
And audio stream；Then Video Quality Metric unit converts the color space of video flowing, and Audio pre-processing unit is by audio format
Be converted to default processing format；Then shared cell is by the video flowing and Audio pre-processing unit after Video Quality Metric cell processing
Treated, and audio stream is distributed to playback equipment；Then playback equipment receives video flowing and audio stream from shared cell, and
It plays out.The video flowing and audio stream transfer that playback equipment is played, so that more playback equipments are without directly and program stream
Driving means connection, and only connection need to be established with shared system.A program stream driving means is only needed, can be saved
Mesh stream is pushed to be established on the different playback equipments of connection from shared system, and compared to one equipment needs and a set-top box
For matched mode, hardware cost is greatly reduced, thus is had a vast market foreground in field of video applications.
Detailed description of the invention
Fig. 1 is the schematic diagram for the online multimedia program stream sharing means that an embodiment of the present invention is related to；
Fig. 2 is the schematic diagram for wired sharing module that an embodiment of the present invention is related to；
Fig. 3 is the schematic diagram for the wireless sharing module that an embodiment of the present invention is related to；
Fig. 4 is the flow chart for the online multimedia program stream sharing method that an embodiment of the present invention is related to；
Fig. 5 is the flow chart of another online multimedia program stream sharing method for implementing to be related to of the present invention；
Fig. 6 is the flow chart of another online multimedia program stream sharing method for implementing to be related to of the present invention.
Description of symbols:
101, program stream driving means；
102, shared system；111, Video Quality Metric unit；112, Audio pre-processing unit；113, shared cell；
121, wired sharing module；122, wireless sharing module；
103, playback equipment；114, wired playback equipment；115, wireless playing equipment.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, the schematic diagram for the online multimedia program stream sharing means being related to for an embodiment of the present invention.Institute
Stating device includes program stream driving means 101, shared system 102 and playback equipment 103, the program stream driving means 101 with
The shared system 102 connects, and the shared system 102 includes Video Quality Metric unit 111, Audio pre-processing unit 112 and is total to
Enjoy unit 113；The Video Quality Metric unit 111 is connect with shared cell 113, the Audio pre-processing unit 112 and shared list
Member 113 connects, and the shared cell 113 is connect with playback equipment 103；
The program stream driving means 101 flow to shared system for sending program data, and the program data stream includes
Video flowing and audio stream；
The Video Quality Metric unit 111 is for converting the color space of video flowing, the Audio pre-processing unit
112 for being converted to default processing format for audio format；
The shared cell 113 be used for by after Video Quality Metric cell processing video flowing and Audio pre-processing unit handle
Audio stream afterwards is distributed to playback equipment；
The playback equipment 103 is played out for receiving video flowing and audio stream from shared cell.
When using online multimedia program stream sharing means, program stream driving means sends program data and flow to altogether first
Enjoy system.The program stream driving means can be OTT set-top box, IPTV set top box, broadcasting and TV set-top box, DTV etc..Institute
Stating program data stream includes video flowing and audio stream.Program stream can be transmitted to shared system by HDMI wire, in shared system
It is provided with HDMI interface and I2S interface.HDMI interface is used to receive the video stream data in program stream, and I2S is for receiving program
Audio stream data in stream, to realize the separation of audio-video in program stream.
Then Video Quality Metric unit converts the color space of video flowing, and Audio pre-processing unit turns audio format
It is changed to default processing format.Video flowing after separation needs to carry out the conversion of color space, so as to be shared in system
Shared cell institute identifying processing.Specifically, it includes: by differential video that Video Quality Metric unit, which carries out conversion to video flowing color space,
Stream signal is converted into the video stream format of YUV or RGB color.Similarly, it is also desirable to the audio stream after separation is converted,
So as to the shared cell identifying processing being shared in system, specifically, Audio pre-processing unit turns audio LPCM format
It is changed to default processing format, the default processing format includes MP3, AC3, AAC, WMA format etc..
Then shared cell is by the video flowing and Audio pre-processing unit treated sound after Video Quality Metric cell processing
Frequency flow point is dealt into playback equipment.In the present embodiment, the shared system includes wired sharing module 121 and wireless sharing mould
Block 122, then the playback equipment includes wired playback equipment 114 and wireless playing equipment 115.Wired playback equipment can be with
For DTV, the wireless playing equipment can be mobile phone, tablet computer, personal computer etc..Wired sharing module
For by after Video Quality Metric cell processing video flowing and Audio pre-processing unit treated that audio stream is distributed to broadcasting sets
It is standby.For wired playback equipment, directly pass through data line (such as HDMI wire) with shared system and establish connection, thus can be with
By after treatment video flowing and audio stream directly push to wired playback equipment.And for wireless playing equipment, it is
Convenient for the wireless transmission of program stream, thus wireless sharing module can encode video flowing and audio stream, and will be after coding
Audio stream and video stream compression be packaged after be sent to wireless playing equipment, be conducive to the transmission of program stream in this way.Then play
Video flowing and audio stream of the equipment from shared cell, and play out.
As shown in Fig. 2, in the present embodiment, wired sharing module includes video source modeling module, audio and video playing
Device module, HDMI outgoing management module, HDMI match management module, video quality monitoring module and CEC Reverse Turning Control module.Depending on
Frequency enhancing module is mainly used for carrying out video flowing noise reduction, the line by line processing such as interlacing, color gamut, picture quality enhancement, to improve video
Flow presented visual effect.Audio/video player module is mainly used for being responsible for the input processing of audio stream and video flowing, and
The synchronization and output of audio-video.HDMI outgoing management module is HDMI driving, and HDMI match management module is set for wired broadcasting
Standby frame per second matching.Such as the received frame per second of wired playback equipment institute energy is 50FPS, and the section that program stream driving means is pushed
The frame per second of mesh stream is 30FPS, thus is just needed to match the frame per second of program stream to be transmitted to wired playback equipment after 50FPS again,
So that wired playback equipment carries out reception broadcasting.
As shown in figure 3, in the present embodiment, wireless sharing module includes video source modeling module, audio/video coder mould
Block, wireless output module, wireless client management module, video quality monitoring module and wirelessly turn CEC Reverse Turning Control module.Depending on
Frequency enhancing module it is similar to the purposes of video source modeling module in wired sharing module, be mainly used for video flowing progress noise reduction,
Interlacing, color gamut, picture quality enhancement etc. are handled line by line, to improve the visual effect that video flowing is presented.Audio/video coder module
For compression Video & Audio data, make it easier to be transmitted in the wireless network.Wireless output module with radio play for setting
It is standby to establish DLNA connection, and outputting video streams and audio stream.Wireless client management module is for building wireless sharing module
The life cycle of all wireless playing equipments of vertical connection is managed, and is specifically included: control wireless playing equipment and it is wireless altogether
It enjoys module to establish or disconnect, and when multiple wireless playing equipments initiate operation requests to wireless sharing module, to this
The execution sequence of a little operation requests interacts control management etc..
In the present embodiment, wired shared cell and wireless sharing unit further include video quality monitoring mould
Block mainly monitors current video quality for the video quality monitoring module in wired shared cell, and dynamic regulation regards
Frequency relevant parameter (code stream of such as video, resolution ratio) enhances user experience so that the effect that video flowing is presented is best.Example
Such as when the video flowing of push is 1080P, there is Caton phenomenon in video, then video flowing dynamically can be adjusted to 720P or 540P again
It is transmitted.For the video quality monitoring module in wireless sharing unit, video quality monitoring module detection basis is worked as
The resolution ratio and code rate of video flowing is adjusted in the bandwidth of preceding network.Due to receiving view for wireless playing equipment
The speed of frequency stream is influenced by network bandwidth, thus can be according to the amount of bandwidth of different user, and dynamic adjusts video flowing
Code stream and resolution ratio show best visual effect to be pushed to the video flowing of terminal user, that is, are guaranteeing not Caton
Under the premise of, resolution ratio reaches highest.
In the present embodiment, the shared cell further includes Reverse Turning Control module.The Reverse Turning Control module is for connecing
The program stream playing request that playback equipment is sent is received, and playing request is forwarded to program stream driving means；The program stream pushes away
Send device for sending the corresponding program data of the playing request and flowing to shared system after receiving playing request, thus by broadcasting
Equipment is put to realize that the program pushed to program stream driving means switches over.In the present embodiment, the Reverse Turning Control
Module is also used to receive the operational order of playback equipment transmission, and operational order is forwarded to program stream driving means；The section
After mesh stream driving means is also used to receive operational order, the corresponding operation of the operational order is executed.The operational order includes sound
Measure regulating command, booting or shutdown command etc..By the setting of Reverse Turning Control module, as long as any playback equipment and shared cell
Connection is established, relevant parameter (such as volume) operation that can be switched over program stream, adjust program stream is efficiently convenient.
Referring to Fig. 4, the flow chart for the online multimedia program stream sharing method being related to for an embodiment of the present invention.Institute
Method is stated applied to online multimedia program stream sharing means, described device includes program stream driving means, shared system and broadcasts
Equipment is put, the program stream driving means is connect with the shared system, and the shared system includes Video Quality Metric unit, audio
Pretreatment unit and shared cell, the shared cell include program stream processing unit and program stream Dispatching Unit；The video
Converting unit is connect with shared cell, and the Audio pre-processing unit is connect with shared cell, and the shared cell is set with broadcasting
Standby connection；Described method includes following steps:
It initially enters step S401 program stream driving means transmission program data and flow to shared system.The program stream push
Device can be OTT set-top box, IPTV set top box, broadcasting and TV set-top box, DTV etc..The program data stream includes video flowing
And audio stream.Program stream can be transmitted to shared system by HDMI wire, and HDMI interface is provided in shared system and I2S connects
Mouthful.HDMI interface is used to receive the video stream data in program stream, and I2S is used to receive the audio stream data in program stream, thus
Realize the separation of audio-video in program stream.
It then enters step S402 Video Quality Metric unit to convert the color space of video flowing, Audio pre-processing unit
Audio format is converted into default processing format.Video flowing after separation needs to carry out the conversion of color space, so as to quilt
Shared cell institute identifying processing in shared system.Specifically, Video Quality Metric unit carries out conversion packet to video flowing color space
It includes: differential video stream signal is converted into the video stream format of YUV or RGB color.Similarly, it is also desirable to the sound after separation
Frequency stream is converted, and so as to the shared cell identifying processing being shared in system, specifically, Audio pre-processing unit will
LPCM audio format is converted to default processing format, and the default processing format includes MP3, AC3, AAC, WMA format etc..
S403 shared cell is then entered step by the video flowing and audio pretreatment list after Video Quality Metric cell processing
Treated that audio stream is distributed to playback equipment for member.In the present embodiment, the shared system includes wired sharing module 121
With wireless sharing module 122, then the playback equipment includes wired playback equipment 114 and wireless playing equipment 115.It is described wired
Playback equipment can be DTV, and the wireless playing equipment can be mobile phone, tablet computer, personal computer etc..It is described
Wired sharing module is used for the video flowing and Audio pre-processing unit treated audio stream after Video Quality Metric cell processing
It is distributed to playback equipment.For wired playback equipment, directly pass through data line (such as HDMI wire) foundation with shared system
Connection, thus can by after treatment video flowing and audio stream directly push to wired playback equipment.And for wirelessly broadcasting
For putting equipment, for the ease of the wireless transmission of program stream, thus wireless sharing module can compile video flowing and audio stream
Code compression, and compressed audio stream and video stream will be encoded to wireless playing equipment, be conducive to the biography of program stream in this way
It is defeated.Video flowing and audio stream of the S404 playback equipment from shared cell are then entered step, and is played out.
In the present embodiment, wired shared cell and wireless sharing unit include video quality monitoring module,
For the video quality monitoring module in wired shared cell, current video quality, and dynamic regulation video are mainly monitored
Relevant parameter (code stream of such as video, resolution ratio) enhances user experience so that the effect that video flowing is presented is best.Such as
When the video flowing of push is 1080P, there is Caton phenomenon in video, then can dynamic by video flowing be adjusted to 720P or 540P again into
Row transmission.For the video quality monitoring module in wireless sharing unit, the detection of video quality monitoring module is according to current
The resolution ratio and code rate of video flowing is adjusted in the bandwidth of network.Due to receiving video for wireless playing equipment
The speed of stream is influenced by network bandwidth, thus can be according to the amount of bandwidth of different user, and dynamic adjusts the code of video flowing
Stream and resolution ratio show best visual effect to be pushed to the video flowing of terminal user, that is, are guaranteeing not Caton
Under the premise of, resolution ratio reaches highest.
In the present embodiment, the shared cell further includes Reverse Turning Control module.As shown in figure 5, shown method is also wrapped
Include step: S501 Reverse Turning Control module receives the program stream playing request that playback equipment is sent, and playing request is forwarded to section
Mesh stream driving means then enters step S502 program stream driving means for sending the playing request after receiving playing request
Corresponding program data flow to shared system.Shared system is after receiving the program stream that program stream driving means is sent again, meeting
Carry out the processing of step S402 again, then again will treated video flowing and audio streams to playback equipment, to pass through
Playback equipment realizes that the program pushed to program stream driving means switches over.
As shown in fig. 6, in the present embodiment, the method also includes steps: initially entering step S601 Reverse Turning Control
Module receives the operational order that playback equipment is sent, and operational order is forwarded to program stream driving means；Then enter step
After program stream driving means described in S602 receives operational order, the corresponding operation of the operational order is executed.The operational order packet
Include volume adjustment instruction, booting or shutdown command etc..By the setting of Reverse Turning Control module, if any playback equipment with it is shared
Unit establishes connection, relevant parameter (such as volume) operation that can be switched over program stream, adjust program stream, efficiently convenient.
Online multimedia program stream sharing method and device described in above-mentioned technical proposal, the method are applied to online more
Media program stream sharing means, described device include program stream driving means, shared system and playback equipment, and the program stream pushes away
Device is sent to connect with the shared system, the shared system includes Video Quality Metric unit, Audio pre-processing unit and shared list
Member, the shared cell include program stream processing unit and program stream Dispatching Unit；The Video Quality Metric unit and shared cell
Connection, the Audio pre-processing unit are connect with shared cell, and the shared cell is connect with playback equipment；The method includes
Following steps: program stream driving means sends program data and flow to shared system first, and the program data stream includes video flowing
And audio stream；Then Video Quality Metric unit converts the color space of video flowing, and Audio pre-processing unit is by audio format
Be converted to default processing format；Then shared cell is by the video flowing and Audio pre-processing unit after Video Quality Metric cell processing
Treated, and audio stream is distributed to playback equipment；Then playback equipment receives video flowing and audio stream from shared cell, and
It plays out.The video flowing and audio stream transfer that playback equipment is played, so that more playback equipments are without directly and program stream
Driving means connection, and only connection need to be established with shared system.A program stream driving means is only needed, can be saved
Mesh stream is pushed to be established on the different playback equipments of connection from shared system, and compared to one equipment needs and a set-top box
For matched mode, hardware cost is greatly reduced, thus is had a vast market foreground in field of video applications.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or the terminal device that include a series of elements not only include those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or end
The intrinsic element of end equipment.In the absence of more restrictions, being limited by sentence " including ... " or " including ... "
Element, it is not excluded that there is also other elements in process, method, article or the terminal device for including the element.This
Outside, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
Being includes this number.
It should be understood by those skilled in the art that, the various embodiments described above can provide as method, apparatus or computer program production
Product.Complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in these embodiments
Form.The all or part of the steps in method that the various embodiments described above are related to can be instructed by program relevant hardware come
It completes, the program can store in the storage medium that computer equipment can be read, for executing the various embodiments described above side
All or part of the steps described in method.The computer equipment, including but not limited to: personal computer, server, general-purpose computations
It is machine, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, smart home device, wearable
Smart machine, vehicle intelligent equipment etc.；The storage medium, including but not limited to: RAM, ROM, magnetic disk, tape, CD, sudden strain of a muscle
It deposits, USB flash disk, mobile hard disk, storage card, memory stick, webserver storage, network cloud storage etc..
The various embodiments described above are referring to the method according to embodiment, equipment (system) and computer program product
Flowchart and/or the block diagram describes.It should be understood that can be realized by computer program instructions every in flowchart and/or the block diagram
The combination of process and/or box in one process and/or box and flowchart and/or the block diagram.It can provide these computers
Program instruction generates a machine to the processor of computer equipment, so that the finger executed by the processor of computer equipment
It enables and generates to specify in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of function.
These computer program instructions, which may also be stored in, to be able to guide computer equipment computer operate in a specific manner and sets
In standby readable memory, so that the instruction being stored in the computer equipment readable memory generates the manufacture including command device
Product, command device realization refer in one or more flows of the flowchart and/or one or more blocks of the block diagram
Fixed function.
These computer program instructions can also be loaded into computer equipment, so that executing on a computing device a series of
Operating procedure is to generate computer implemented processing, so that the instruction executed on a computing device is provided for realizing in process
The step of function of being specified in figure one process or multiple processes and/or block diagrams one box or multiple boxes.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the above description is only an embodiment of the present invention,
It is not intended to limit scope of patent protection of the invention, it is all to utilize equivalent structure made by description of the invention and accompanying drawing content
Or equivalent process transformation, being applied directly or indirectly in other relevant technical fields, similarly includes in patent of the invention
Within protection scope.
Claims (6)
1. a kind of online multimedia program stream sharing means, which is characterized in that described device includes program stream driving means, shares
System and playback equipment, the program stream driving means are connect with the shared system, and the shared system includes Video Quality Metric
Unit, Audio pre-processing unit and shared cell；The Video Quality Metric unit is connect with shared cell, and the audio pretreatment is single
Member is connect with shared cell, and the shared cell is connect with playback equipment；
The program stream driving means flow to shared system for sending program data, the program data stream include video flowing and
Audio stream；HDMI interface and I2S interface are provided in the shared system；The HDMI interface is for receiving in program data stream
Video stream data, the I2S interface is used to receive audio stream data in program data stream；
For converting to the color space of video flowing, the Audio pre-processing unit is used for sound the Video Quality Metric unit
Frequency format is converted to default processing format；
The shared cell is used for the video flowing and Audio pre-processing unit treated sound after Video Quality Metric cell processing
Frequency flow point is dealt into playback equipment；
The shared system includes wired sharing module and wireless sharing module, then the playback equipment includes wired playback equipment
And wireless playing equipment；
Wired sharing module be used for by after Video Quality Metric cell processing video flowing and Audio pre-processing unit processing after
Audio stream be distributed to wired playback equipment；
The wireless sharing module for being encoded to video flowing and audio stream, and by after coding audio stream and video flowing send out
It send to wireless playing equipment；The wireless sharing module is connect by WIFI module with wireless playing equipment；
The playback equipment is played out for receiving video flowing and audio stream from shared cell；
Wired sharing module includes video source modeling module, audio/video player module, HDMI outgoing management module, HDMI
With management module, video quality monitoring module；
The video source modeling module is used to carry out video flowing noise reduction, line by line interlacing, color gamut, picture quality enhancement processing；
Audio/video player module is used to be responsible for the synchronization and output of the input processing and audio-video of audio stream and video flowing；
HDMI outgoing management module is HDMI driving, and frame per second of the HDMI match management module for wired playback equipment matches；
The video quality monitoring module is used to detect the bandwidth according to current network, and the resolution ratio and code rate to video flowing carry out
It adjusts.
2. online multimedia program stream sharing means as described in claim 1, which is characterized in that the shared cell further includes
Reverse Turning Control module；
The Reverse Turning Control module is used to receive the program stream playing request of playback equipment transmission, and playing request is forwarded to section
Mesh stream driving means；
The program stream driving means for after receiving playing request, send the corresponding program data of the playing request flow to it is shared
System.
3. online multimedia program stream sharing means as claimed in claim 2, which is characterized in that the Reverse Turning Control module is also
For receiving the operational order of playback equipment transmission, and operational order is forwarded to program stream driving means；The program stream pushes away
After sending device to be also used to receive operational order, the corresponding operation of the operational order is executed.
4. a kind of online multimedia program stream sharing method, which is characterized in that the method is applied to online multimedia program stream
Sharing means, described device include program stream driving means, shared system and playback equipment, the program stream driving means and institute
Shared system connection is stated, the shared system includes Video Quality Metric unit, Audio pre-processing unit and shared cell, described shared
Unit includes program stream processing unit and program stream Dispatching Unit；The Video Quality Metric unit is connect with shared cell, the sound
Frequency pretreatment unit is connect with shared cell, and the shared cell is connect with playback equipment；Described method includes following steps:
Program stream driving means sends program data and flow to shared system, and the program data stream includes video flowing and audio stream；
HDMI interface and I2S interface are provided in the shared system；The HDMI interface is used to receive the video in program data stream
Flow data, the I2S interface are used to receive the audio stream data in program data stream；
Video Quality Metric unit converts the color space of video flowing, and Audio pre-processing unit is converted to audio format default
Processing format；
Shared cell is by the video flowing and Audio pre-processing unit treated audio stream distribution after Video Quality Metric cell processing
To playback equipment；The shared system includes wired sharing module and wireless sharing module, and the playback equipment includes wired broadcasts
Put equipment and wireless playing equipment；The method also includes:
Wired sharing module is by the video flowing and Audio pre-processing unit treated audio stream after Video Quality Metric cell processing
It is distributed to playback equipment；
Wireless sharing module encodes video flowing and audio stream, and by after coding audio stream and video stream to wireless
Playback equipment；The wireless sharing module is connect by WIFI module with wireless playing equipment；Playback equipment is received from shared
The video flowing and audio stream of unit, and play out；
Wired sharing module includes video source modeling module, audio/video player module, HDMI outgoing management module, HDMI
With management module, video quality monitoring module；
The video source modeling module is used to carry out video flowing noise reduction, line by line interlacing, color gamut, picture quality enhancement processing；
Audio/video player module is used to be responsible for the synchronization and output of the input processing and audio-video of audio stream and video flowing；
HDMI outgoing management module is HDMI driving, and frame per second of the HDMI match management module for wired playback equipment matches；
Video quality monitoring module detects the bandwidth according to current network, and the resolution ratio and code rate of video flowing are adjusted.
5. online multimedia program stream sharing method as claimed in claim 4, which is characterized in that the shared cell further includes
Reverse Turning Control module；The described method includes:
Reverse Turning Control module receives the program stream playing request that playback equipment is sent, and playing request is forwarded to program stream push
Device；
After program stream driving means receives playing request, sends the corresponding program data of the playing request and flow to shared system.
6. online multimedia program stream sharing method as claimed in claim 5, which is characterized in that the method also includes:
Reverse Turning Control module receives the operational order that playback equipment is sent, and operational order is forwarded to program stream driving means；
After program stream driving means receives operational order, the corresponding operation of the operational order is executed.
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| CN105812907A (en) | 2016-07-27 |
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Address after: 350003 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee after: Ruixin Microelectronics Co., Ltd Address before: 350003 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee before: Fuzhou Rockchips Electronics Co.,Ltd. |