CN108494997A - A kind of director system and live streaming recording and broadcasting system - Google Patents
A kind of director system and live streaming recording and broadcasting system Download PDFInfo
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- CN108494997A CN108494997A CN201810675866.0A CN201810675866A CN108494997A CN 108494997 A CN108494997 A CN 108494997A CN 201810675866 A CN201810675866 A CN 201810675866A CN 108494997 A CN108494997 A CN 108494997A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A kind of director system of offer of the embodiment of the present invention and live streaming recording and broadcasting system, wherein director system includes several video cameras, instructor in broadcasting's platform and remote control equipment, and each video camera is connect with instructor in broadcasting's platform, and instructor in broadcasting's platform is connect with remote control equipment；Wherein, remote control equipment includes video switch unit, and video switch unit is used to send video switching command to instructor in broadcasting's platform, and video switching command includes target video source；Instructor in broadcasting's platform is used to receive the video data and video switching command of each video camera shooting, and according to the target video source in video switching command, by instructor in broadcasting's screen switching to the video data of the corresponding video camera shooting in target video source.Director system provided in an embodiment of the present invention and live streaming recording and broadcasting system, simplify the operating process of manual director system, reduce the operation threshold of manual director system, so that amateur instructor in broadcasting personnel again may be by the video guide that remote control equipment realizes high-quality, be conducive to large-scale promotion and the application of manual director system.
Description
Technical field
The present embodiments relate to technical field of video processing more particularly to a kind of director systems and live streaming recording and broadcasting system.
Background technology
With the continuous development of video processing technique and internet, the demand of director system also grows stronger day by day.
Currently, existing director system includes full-automatic and manual two kinds.Wherein, full-automatic director system is fixed by tracking
Position technology carries out camera lens movement and switching along with certain switchover policy, since track and localization is easy to be interfered, to environment
Higher with scene requirement, needing participant to coordinate could effectively use, feature that is not smart enough and cannot embodying individual,
Practical effect is very poor at present.
Thus to the higher important events of instructor in broadcasting's quality requirement, commonly used manual director system.Manual director system
Be the director system of current main-stream, be the instructor in broadcasting's technology for carrying out video tracking and switching by people, disclosure satisfy that live streaming or its
Instructor in broadcasting's quality requirement of his occasion, still, the equipment of manual director system and manipulation are all complex, it is necessary to by professional
Carry out instructor in broadcasting's manipulation.And for application scenarios such as general school and companies, although having large-scale instructor in broadcasting's demand, simultaneously
Do not have the condition that a large amount of professional instructor in broadcasting personnel offer instructors in broadcasting manipulate service that is equipped with, results in can not promoting for manual director system
It uses.
Therefore, the video guide that high-quality how is realized in the case where reducing operation difficulty, is that current industry urgently solves
Project certainly.
Invention content
A kind of director system of offer of the embodiment of the present invention and live streaming recording and broadcasting system, to solve automatically to lead in the prior art
Broadcast system instructor in broadcasting inferior quality and manual director system need professional's manipulation, the higher problem of cost, realize in operation letter
Single high-quality video instructor in broadcasting.
On the one hand, the embodiment of the present invention provides a kind of director system, including several video cameras, instructor in broadcasting's platform and remote control are set
Standby, each video camera is connect with instructor in broadcasting's platform, and instructor in broadcasting's platform is connect with the remote control equipment；
Wherein, the remote control equipment includes video switch unit, and the video switch unit is used to send out to instructor in broadcasting's platform
It includes target video source to send video switching command, the video switching command；
Instructor in broadcasting's platform is used to receive the video data of each video camera shooting and the video switching command, and root
According to the target video source in the video switching command, instructor in broadcasting's screen switching to the corresponding video camera in the target video source is clapped
The video data taken the photograph.
A kind of director system provided in an embodiment of the present invention controls instructor in broadcasting's platform by remote control equipment and carries out video switching, letter
The operating process for having changed manual director system reduces the operation threshold of manual director system so that amateur instructor in broadcasting personnel are same
Sample can realize the video guide of high-quality by remote control equipment, be conducive to large-scale promotion and the application of manual director system.
On the other hand, the embodiment of the present invention provides a kind of live streaming recording and broadcasting system, including director system as described above, also wraps
Include streaming media server and/or local recording arrangement, the streaming media server and the local recording arrangement respectively with it is described
Director system connects；
The network direct broadcasting for instructor in broadcasting's picture that the streaming media server generates for realizing the director system；
The local recording arrangement is regarded for recording and generating instructor in broadcasting instructor in broadcasting's picture that the director system generates
Frequency evidence.
A kind of live streaming recording and broadcasting system provided in an embodiment of the present invention, live streaming and recorded broadcast are increased on the basis of director system
Function enormously simplifies instructor in broadcasting and the workload that recorded broadcast needs is broadcast live, improves the practicability of director system.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of director system structural schematic diagram of the embodiment of the present invention；
Fig. 2 is a kind of live streaming recording and broadcasting system structural schematic diagram of the embodiment of the present invention；
Fig. 3 is a kind of recorded broadcast flow diagram of the embodiment of the present invention；
Fig. 4 is a kind of live streaming recording and broadcasting system structural schematic diagram of the embodiment of the present invention；
Fig. 5 is a kind of director system video data flow diagram of the embodiment of the present invention；
Reference sign：
101- video cameras；102- instructor in broadcasting's platforms；103- remote control equipments；
201- director systems；202- streaming media servers；The locals 203- recording arrangement；
401- coursewares show equipment；402- instructor in broadcasting's keyboards；403- instructor in broadcasting's monitors；
404- audio frequency apparatuses；405- cloud platforms；406- storage devices.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Currently, existing director system includes full-automatic and manual two kinds.Wherein, full-automatic director system is fixed by tracking
Position technology carries out camera lens movement and switching along with certain switchover policy.However, being currently applied to full-automatic director system
Track and localization technology, such as infrared, laser positioning and video plus audio frequency track and localization etc., are all highly prone to ring without exception
Border influences, especially for current various forms of classrooms and activity, such as grouping discussion type, various laboratories, reversion classroom
Complicated classroom form, may directly result in the collapse of full-automatic director system tracing-positioning system.Current full-automatic instructor in broadcasting
The original judgment methods such as whether instructor in broadcasting's strategy of system can only stand up according to people, whether where more, people walks about, completely not
Instructor in broadcasting's switching can be carried out according to actual activity content, the facial expression of people and on-site situation development etc., instructor in broadcasting's quality can not allow
People is satisfied with.Thus to the higher important events of instructor in broadcasting's quality requirement, commonly used manual director system.But manual instructor in broadcasting
The equipment of system and manipulation are all complex, it is necessary to carry out instructor in broadcasting's manipulation by professional.And it is directed to general school and public affairs
The application scenarios such as department do not have a large amount of professional instructor in broadcasting personnel offers of outfit and lead although having large-scale instructor in broadcasting's demand
The condition for broadcasting manipulation service, results in can not promoting the use of for manual director system.
In view of the above-mentioned problems, the embodiment of the present invention proposes one kind reducing instructor in broadcasting behaviour while keeping higher instructor in broadcasting's quality
Control the director system of difficulty.Fig. 1 is a kind of director system structural schematic diagram of the embodiment of the present invention, as shown in Figure 1, director system
Including several video cameras 101, instructor in broadcasting's platform 102 and remote control equipment 103, each video camera 101 is connect with instructor in broadcasting's platform 102, instructor in broadcasting
Platform 102 is connect with remote control equipment 103；Wherein, remote control equipment 103 includes video switch unit, and video switch unit is used for guide
It broadcasts platform 102 and sends video switching command, video switching command includes target video source；Instructor in broadcasting's platform 102 is for receiving each camera shooting
The video data and video switching command that machine 101 is shot, and according to the target video source in video switching command, by instructor in broadcasting's picture
Switch to the video data that the corresponding video camera 101 in target video source is shot.
Specifically, instructor in broadcasting's platform 102 generates instructor in broadcasting and draws for switching over the video data that each video camera 101 is shot
Face, instructor in broadcasting's picture herein are the videos that the corresponding video camera 101 in target video source chosen according to video switching command is shot
The single-image of data.
Wherein, remote control equipment 103 is that have the portable equipment that video switching command function is sent to instructor in broadcasting's platform 102, remote control
Equipment 103 can be remote controler, can also be to be mounted with to the portable of the software of the transmission video switching command function of instructor in broadcasting's platform 102
Smart machine, such as laptop, smart mobile phone, tablet computer etc., the embodiment of the present invention is not especially limited this.User
Video switching command can be sent to instructor in broadcasting by 103 input video switching command of remote control equipment, then by remote control equipment 103
Platform 102, for example, remote control equipment 103 is the intelligent hand for being mounted with the software for sending video switching command function to instructor in broadcasting's platform 102
Machine, it is target video source that No. 1 video camera 101, which can be arranged, by smart mobile phone in user, and smart mobile phone generates No. 1 video camera immediately
101 be the video switching command in target video source, and above-mentioned video switching command is sent by 4G networks or WIFI network
To instructor in broadcasting's platform 102, after instructor in broadcasting's platform 102 receives above-mentioned video switching command, it is No. 1 video camera 101 to obtain target video source, then
The video data that No. 1 video camera 101 is shot is switched into instructor in broadcasting's picture.
It should be noted that the embodiment of the present invention not the seat in the plane of the quantity to video camera 101 and each video camera 101 and
Content of shooting makees specific limit.
The director system that the embodiment of the present invention proposes controls instructor in broadcasting's platform 102 by remote control equipment 103 and carries out video switching,
The operating process for simplifying manual director system reduces the operation threshold of manual director system so that amateur instructor in broadcasting personnel
Again may be by remote control equipment 103 realize high-quality video guide, be conducive to manual director system large-scale promotion and
Using.
Based on above-described embodiment, a kind of director system further includes that courseware shows that equipment, courseware show that equipment connects with instructor in broadcasting's platform
It connects；Accordingly, instructor in broadcasting's platform be used for receive courseware show device plays courseware data, each video camera shooting video data and
Video switching command, and according to the target video source in video switching command, instructor in broadcasting's screen switching to target video source is corresponded to
Courseware show device plays courseware data or video camera shooting video data.
Courseware data herein, that is, courseware shows equipment video data being played on.For classroom instruction scene or meeting
Discuss demonstration, the scenes such as public speech, speaker while giving a lecture may equipped with the forms such as PPT or video courseware with rich
The courseware of rich speech content, the forms such as above-mentioned PPT or video shows equipment displaying or projection, i.e., courseware herein by courseware
Display equipment can be for projecting the desktop computer of courseware, laptop, or the intelligence by wirelessly throwing screen display courseware
Smart machines, the embodiment of the present invention such as energy mobile phone, tablet computer are not especially limited this.
In the embodiment of the present invention, the courseware being connect with instructor in broadcasting's platform is added in director system and shows equipment so that Dao Botai
When carrying out instructor in broadcasting's screen switching, video source is not limited only to video camera, can also include that courseware shows equipment, enrich instructor in broadcasting's picture
Face.Meanwhile between realizing that instructor in broadcasting's picture video data shot in video camera and courseware show the courseware data of device plays
Switching, the video switching command that again may be by remote control equipment transmission is controlled, while strengthening director system function
It ensure that the ease for operation of director system.
Based on any of the above-described embodiment, a kind of director system, remote control equipment further includes scene selecting unit, and scene selection is single
For member for sending scene select command to instructor in broadcasting's platform, scene select command includes target scene；Accordingly, instructor in broadcasting's platform is additionally operable to connect
Wind up scape select command, and according to the target scene in scene select command, control instructor in broadcasting's picture corresponds to the holder of video camera with/
Or camera lens, so that instructor in broadcasting's picture corresponds to the seat in the plane that video camera can switch to photographic subjects scene.
Specifically, it is stored with several default scenes for any video camera in instructor in broadcasting's platform, and is stored with the video camera
The seat in the plane data of default scene can be taken.Instructor in broadcasting's platform receives the scene select command that remote control equipment is sent, and according to scene
Target scene in select command, the seat in the plane number of target scene can be taken by obtaining the corresponding video camera of current instructor in broadcasting's picture
According to, the holder and/or camera lens of the corresponding video camera of current instructor in broadcasting's picture are adjusted according to above-mentioned seat in the plane data, so that this
Video camera can be adjusted to the seat in the plane of photographic subjects scene.Herein, to the adjustment of camera pan-tilt i.e. to video camera shooting angle
Adjustment, the i.e. adjustment to focal length of camera, aperture etc. of adjustment to camera lens, the embodiment of the present invention do not make this specifically
It limits.
Wherein, remote control equipment is that have the portable equipment that video switching command function is sent to instructor in broadcasting's platform, and remote control equipment can
Can also be the portable intelligent equipment for being mounted with the software that video switching command function is sent to instructor in broadcasting's platform, example to be remote controler
Such as laptop, smart mobile phone, tablet computer, the embodiment of the present invention are not especially limited this.User can be by distant
Equipment input scene select command is controlled, then scene select command is sent to by instructor in broadcasting's platform by remote control equipment, for example, remote control equipment
To be mounted with the smart mobile phone for the software for sending scene select command function to instructor in broadcasting's platform, user can be arranged by smart mobile phone
Teacher's feature scene is target scene, and smart mobile phone generates the scene select command that teacher's feature scene is target scene immediately,
And above-mentioned scene select command is sent to instructor in broadcasting's platform by 4G networks or WIFI network, instructor in broadcasting's platform receives above-mentioned scene choosing
After selecting order, acquisition target scene is teacher's feature scene, and religion can be taken by obtaining the corresponding video camera of current instructor in broadcasting's picture
The seat in the plane data of teacher's feature scene, according to above-mentioned seat in the plane data to the holder and/or mirror of the corresponding video camera of current instructor in broadcasting's picture
Head is adjusted, so that the video camera can be adjusted to the seat in the plane of shooting teacher's feature scene, current instructor in broadcasting's picture display religion
Teacher's feature.
The director system that the embodiment of the present invention proposes is controlling the basis that instructor in broadcasting's platform carries out video switching by remote control equipment
On, it adds and the function that instructor in broadcasting's platform carries out scene selection is controlled by remote control equipment, protected while strengthening director system function
The ease for operation of director system is demonstrate,proved.
Based on any of the above-described embodiment, a kind of director system further includes instructor in broadcasting's keyboard, and instructor in broadcasting's keyboard is connect with instructor in broadcasting's platform,
Instructor in broadcasting's keyboard is used to send video switching command and/or scene select command to instructor in broadcasting's platform.
Herein, the conventional controlling apparatus of instructor in broadcasting's keyboard, that is, manual director system, usual staff are real by instructor in broadcasting's keyboard
Now to the control of manual director system.It is that simple video switching and field may be implemented in remote control equipment in the embodiment of the present invention
On the basis of scape selection function, it is incorporated as realizing that more complicated instructor in broadcasting's function provides condition by instructor in broadcasting's keyboard, to improve
Professional, guarantee instructor in broadcasting's quality of director system.
Based on any of the above-described embodiment, a kind of director system further includes instructor in broadcasting's monitor and/or audio frequency apparatus, Dao Bojian
Visual organ and audio frequency apparatus are connect with instructor in broadcasting's platform respectively；Instructor in broadcasting's monitor is used to play instructor in broadcasting's picture of instructor in broadcasting's platform generation.
Herein, instructor in broadcasting's monitor is used to play instructor in broadcasting's picture of instructor in broadcasting's platform generation so that user can be monitored by instructor in broadcasting
Device monitors instructor in broadcasting's picture in real time, is adjusted in real time to director system convenient for user.Instructor in broadcasting's monitor can be television set, projection
Screen or smart mobile phone, tablet computer etc. have the display equipment of video playback capability, and the embodiment of the present invention does not make this to have
Body limits.
Audio frequency apparatus can be the audio processing equipments such as the radio equipments such as microphone and audio processor.Audio frequency apparatus is answered
With, contribute to optimize instructor in broadcasting's quality.
Based on any of the above-described embodiment, a kind of director system, if the courseware that instructor in broadcasting's platform receives shows the courseware of device plays
Data are compressed video data, then instructor in broadcasting's platform is additionally operable to decompression compressed video data.
Specifically, it when courseware shows that equipment is the intelligent mobile terminals such as smart mobile phone, tablet computer, is shown by courseware
The courseware data that equipment is transferred to instructor in broadcasting's platform may be by compressed video data, and for the above situation, instructor in broadcasting's platform is to pressure
The video data to contract unzips it, and will connect switching of the compressed video data for instructor in broadcasting's picture.
Based on any of the above-described embodiment, a kind of director system, remote control equipment is remote controler, remote controler by 2.4G wirelessly with
Instructor in broadcasting's platform connects；Each video camera is connect by HDMI wire with instructor in broadcasting's platform.
Based on any of the above-described embodiment, Fig. 2 is a kind of live streaming recording and broadcasting system structural schematic diagram of the embodiment of the present invention, is such as schemed
Shown in 2, a kind of live streaming recording and broadcasting system, including director system 201, further include streaming media server 202 and/or local recording arrangement
203, streaming media server 202 and local recording arrangement 203 are connect with director system 201 respectively；Streaming media server 202 is used for
Realize the network direct broadcasting for instructor in broadcasting's picture that director system 201 generates；Local recording arrangement 203 is for generating director system 201
Instructor in broadcasting's picture record and generate instructor in broadcasting's video data.
Specifically, on the basis of director system 201 described in above-described embodiment, director system 201 and Streaming Media are taken
Business device 202 connects, and constitutes live broadcast system, and director system 201 is connect with local recording arrangement 203, constitutes recording and broadcasting system.Its
In, streaming media server 202 realizes the network direct broadcasting of instructor in broadcasting's picture of the generation of director system 201 by Technology of Network Streaming Media,
Streaming Media herein refers to the media formats played in Internet by the way of stream transmission.It should be noted that stream matchmaker
The network direct broadcasting of instructor in broadcasting's picture not only may be implemented in body server 202, can also realize instructor in broadcasting's picture and the network direct broadcasting of audio.
The embodiment of the present invention increases live streaming and recorded broadcast function on the basis of director system 201, enormously simplifies instructor in broadcasting
The workload that recorded broadcast needs is broadcast live, improves the practicability of director system 201.
Based on any of the above-described embodiment, a kind of live streaming recording and broadcasting system further includes storage device, and storage device is recorded with local
Equipment connects, and storage device is for storing instructor in broadcasting's video data.Fig. 3 is a kind of recorded broadcast flow diagram of the embodiment of the present invention,
As shown in figure 3, director system, local recording arrangement and storage device work compound, realize recording and storage that instructor in broadcasting's sound is drawn.
Based on any of the above-described embodiment, a kind of live streaming recording and broadcasting system, in director system, remote control equipment further include record it is single
Member, recording elements are used to send record command to local recording arrangement；Local recording arrangement starts according to record command, suspends,
Continue and terminate the recording for instructor in broadcasting's picture that director system generates.
It is carried out in order to better understand with a kind of director system proposed by the present invention and live streaming recording and broadcasting system, the present invention is applied
Following example, and the present invention is not only limited to following example.
Example one：
It is broadcast live in recording and broadcasting system, remote control equipment is the remote controler including at least three buttons, and three buttons are video respectively
Switching key, scene selection key and picture confirm that button, wherein video switching key correspond to the video switching list of remote control equipment
Member, scene selection key correspond to the scene selecting unit of remote control equipment, and picture confirms that button corresponds to the recording elements of remote control equipment.
After entering network instructor in broadcasting, the video of instructor in broadcasting's picture can be switched by using the video switching key of remote controler
Source.When needing shooting of the quick calling camera preset seat in the plane to realize default scene, user can be cut using video first
It changes button and selectes camera views, subsequent usage scenario selection key is switched fast camera preset seat in the plane.If passing through video
Switching key selectes courseware and shows equipment, then can select different coursewares by scene selection key, such as notebook
The courseware that courseware or smart mobile phone are shown by wirelessly throwing screen.
When being recorded, the video selection key on remote controler is clicked, the yellow frame in instructor in broadcasting's monitor is moved to
" beginning " clicks picture and confirms button, and into recording state, there is red icon flicker on instructor in broadcasting's monitor upper left side, and characterization is
It records.In this case, the video selection key on remote controler is clicked, the yellow frame in instructor in broadcasting's monitor is moved to " pause ",
It again taps on picture and confirms button, select " pause ", interrupt and record.Similarly, " continuation " operation and " stopping " being carried out to recording
Operation.
This example greatly simplifies profession originally and complicated operation, and only needs three buttons on remote controler can be complete
Recorded broadcast operation is broadcast live at whole instructors in broadcasting so that at any time can be standby for being broadcast live or recording into resource by a large amount of classroom or activity
With.Due to the simplification of operation so that the people videoeding and the people of shooting can be combined into one, it is movable due to attending class or presiding over
People is also photographer simultaneously so that it naturally combines together in shooting process, classroom or movable excellent place in content level
Host or speaker oneself become apparent from, and when need to shoot that camera lens also becomes apparent from oneself, simple remote controler behaviour
Make realization instructor in broadcasting, do not interfere with the speech process of speaker not only, additionally it is possible to dramatically improve instructor in broadcasting's mass, solve master
Say between people and instructor in broadcasting staff the waste of time cost caused by due to largely exchanging.
Example two：
Fig. 4 is a kind of live streaming recording and broadcasting system structural schematic diagram of the embodiment of the present invention, as shown in figure 4, live streaming recording and broadcasting system
Including director system, streaming media server 202, cloud platform 405, local recording arrangement 203 and storage device 406.Wherein, instructor in broadcasting
System includes 102,3 video cameras 101 of instructor in broadcasting's platform, courseware display equipment 401, instructor in broadcasting's keyboard 402, instructor in broadcasting's monitor 403, audio
103,3 video cameras 101 of equipment 404 and remote control equipment, courseware show equipment 401, instructor in broadcasting's keyboard 402, instructor in broadcasting's monitor 403,
Audio frequency apparatus 404 and remote control equipment 103 are connect with instructor in broadcasting's platform 102 respectively.Instructor in broadcasting's platform 102 is the core equipment of director system, is adopted
With the high-performance embedded framework of multinuclear multi -CPU, software is developed based on Linux+Android dual systems, has following function：
1) uncompressed 1080P high definition original video datas are obtained from video camera 101 by HDMI video line；
2) it is shown from courseware by HDMI video line and obtains courseware data (1080P high definitions in equipment 401 (laptop)
Original video data)；
3) data (+1 road courseware video of 101 video of No. 3 video camera) will be regarded from externally input 4 road 1080P high definitions are original
It is synthesized in a picture and is shown by instructor in broadcasting's monitor 403；
4) video switching command, scene select command and remote control equipment that instructor in broadcasting's keyboard 402 is sent by USB are received
103 by 2.4G wireless transmission video switching command, scene select command；
5) 101 holder of video camera, camera lens are manipulated according to scene select command, according to video switching command for defeated
The video pictures entered switch over operation；
6) multichannel picture is pressed into 1 road list instructor in broadcasting's picture of film mode switching and merging, and dual code stream is carried out according to H.264 algorithm
(1080P+D1) is encoded；
7) RTSP services are provided, so that the streaming media server 202 being connect with instructor in broadcasting's platform 102 can carry out real-time live broadcast
The local recording arrangement 203 being connect simultaneously with instructor in broadcasting's platform 102 can record instructor in broadcasting's audio and video and store storage device
In 406.
In addition, in director system, 3 video cameras 101 are for providing high definition 1080P without compression original video source.Instructor in broadcasting's key
Disk 402 is used to the transmission of instructor in broadcasting's platform 102 include the orders such as video switching command and scene select command, passes through instructor in broadcasting's keyboard 402
Easily the preset seat in the plane of video camera 101 can be configured, video switching and the video camera of instructor in broadcasting's platform 102 can be manipulated
101 holder and camera lens, additionally it is possible to numerous shortcut keys are provided and facilitate live manipulation.Instructor in broadcasting's monitor 403 is for supervising instructor in broadcasting's picture
Face, and projection or large-size screen monitors are then used to show courseware data.Remote control equipment 103 is remote controler, is the operated tool of extremely letter, by distant
It controls device and manipulates instructor in broadcasting, it is whole only to need three buttons that complete whole control actions.
Streaming media server 202 realizes the network direct broadcasting of instructor in broadcasting's video/audio by Technology of Network Streaming Media, and can be real
The network program request of existing WEB platform, streaming media server 202 is using RTSP agreements herein.Cloud platform 405 and streaming media server
202 connections, cloud platform 405 provide video resource management and various configuration features.
This example is to all local video datas being input in instructor in broadcasting's platform 102 or network video data using real-time
Side memory technology is encoded in output, output video is monitored for instructor in broadcasting, and coding is for being broadcast live, and storage is used for recorded broadcast, using hard
The switch speed control of two camera lenses in millisecond rank, is realized seamless connection, accurate link by part technology.
Example three：
Fig. 5 is a kind of director system video data flow diagram of the embodiment of the present invention, and VI is video input in Fig. 5,
VPSS is video processing, and VENC is Video coding, and VDEC decodes for video, and VO exports for video.
With reference to figure 5, by the way that from instructor in broadcasting's platform external input three, the uncompressed HD video data of video camera are plus platform all the way
The unpressed high definition courseware video flowing that formula machine/notebook is sent, four tunnel high definition uncompressed video datas are in instructor in broadcasting's platform altogether
It exists simultaneously.In addition instructor in broadcasting's platform, which also receives, comes automatic network or local mobile terminal wirelessly throws the process compression transmission of screen
The video data to come over, the decoded back in instructor in broadcasting's platform.It follows that one to share five road video datas alternative in instructor in broadcasting's platform, use
Switch in instructor in broadcasting.According to classroom or the actual needs of activity scene, remote control equipment and/or instructor in broadcasting's keyboard send video to instructor in broadcasting's platform
Switching command and scene select command, instructor in broadcasting's platform adjust platform-lens, the courseware content etc. of video camera, intercept the video counts of needs
According to being spliced into a complete single video and audio file.
This example remains the original high definition uncompressed video data that conventional manual director system uses in instructor in broadcasting, true
It is also innovative to introduce network video data and camera video data while guarantor using high-quality local camera video data
It is mixed, it may be convenient to use on mobile terminal or network video as instructor in broadcasting's cutaway.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention rather than right
It is limited；Although the embodiment of the present invention is described in detail with reference to foregoing embodiments, the ordinary skill of this field
Personnel should understand that：It still can be with technical scheme described in the above embodiments is modified, or to which part
Or all technical features carries out equivalent replacement；And these modifications or replacements, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of director system, which is characterized in that including several video cameras, instructor in broadcasting's platform and remote control equipment, each camera shooting
Machine is connect with instructor in broadcasting's platform, and instructor in broadcasting's platform is connect with the remote control equipment；
Wherein, the remote control equipment includes video switch unit, and the video switch unit is used to regard to instructor in broadcasting's platform transmission
Frequency switching command, the video switching command include target video source；
Instructor in broadcasting's platform is used to receive the video data of each video camera shooting and the video switching command, and according to institute
The target video source in video switching command is stated, by instructor in broadcasting's screen switching to the corresponding video camera shooting in the target video source
Video data.
2. director system according to claim 1, which is characterized in that further include that courseware shows that equipment, the courseware are shown
Equipment is connect with instructor in broadcasting's platform；
Accordingly, instructor in broadcasting's platform is used to receive the courseware and shows that the courseware data of device plays, each video camera are clapped
The video data and the video switching command taken the photograph, and according to the target video source in the video switching command, instructor in broadcasting is drawn
Face switches to the corresponding courseware in the target video source and shows the courseware data of device plays or the video data of video camera shooting.
3. director system according to claim 1, which is characterized in that the remote control equipment further includes scene selecting unit,
The scene selecting unit is used to send scene select command to instructor in broadcasting's platform, and the scene select command includes target field
Scape；
Accordingly, instructor in broadcasting's platform is additionally operable to receive the scene select command, and according to the mesh in the scene select command
Scene is marked, holder and/or camera lens that instructor in broadcasting's picture corresponds to video camera are controlled, so that instructor in broadcasting's picture corresponds to video camera
It can switch to the seat in the plane for shooting the target scene.
4. director system according to claim 3, which is characterized in that further include instructor in broadcasting's keyboard, instructor in broadcasting's keyboard and institute
The connection of instructor in broadcasting's platform is stated, instructor in broadcasting's keyboard is used to send video switching command and/or scene select command to instructor in broadcasting's platform.
5. director system according to claim 1, which is characterized in that further include instructor in broadcasting's monitor and/or audio frequency apparatus, institute
Instructor in broadcasting's monitor and the audio frequency apparatus is stated to connect with instructor in broadcasting's platform respectively；
Instructor in broadcasting's monitor is used to play instructor in broadcasting's picture that instructor in broadcasting's platform generates.
6. director system according to claim 2, which is characterized in that set if the courseware that instructor in broadcasting's platform receives is shown
The standby courseware data played are compressed video data, then instructor in broadcasting's platform is additionally operable to decompress the compressed video data.
7. director system according to claim 1, which is characterized in that the remote control equipment is remote controler, the remote controler
It is wirelessly connect with instructor in broadcasting's platform by 2.4G；
Each video camera is connect by HDMI wire with instructor in broadcasting's platform.
8. a kind of live streaming recording and broadcasting system, which is characterized in that including the instructor in broadcasting system described in any claim in claim 1 to 6
System, further includes streaming media server and/or local recording arrangement, and the streaming media server and the local recording arrangement are distinguished
It is connect with the director system；
The network direct broadcasting for instructor in broadcasting's picture that the streaming media server generates for realizing the director system；
The local recording arrangement by instructor in broadcasting's picture that the director system generates for recording and generating instructor in broadcasting's video counts
According to.
9. live streaming recording and broadcasting system according to claim 8, which is characterized in that further include storage device, the storage device
It is connect with the local recording arrangement, the storage device is for storing instructor in broadcasting's video data.
10. live streaming recording and broadcasting system according to claim 8, which is characterized in that in the director system, the remote control equipment
Further include recording elements, the recording elements are used to send record command to the local recording arrangement；
The local recording arrangement starts according to the record command, suspends, continues and terminates leading for the director system generation
Broadcast the recording of picture.
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| CN201810675866.0A CN108494997A (en) | 2018-06-27 | 2018-06-27 | A kind of director system and live streaming recording and broadcasting system |
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| CN201810675866.0A CN108494997A (en) | 2018-06-27 | 2018-06-27 | A kind of director system and live streaming recording and broadcasting system |
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