WO2022217409A1 - 手机多场景直播系统与脚本控制切换方法 - Google Patents
手机多场景直播系统与脚本控制切换方法 Download PDFInfo
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- WO2022217409A1 WO2022217409A1 PCT/CN2021/086515 CN2021086515W WO2022217409A1 WO 2022217409 A1 WO2022217409 A1 WO 2022217409A1 CN 2021086515 W CN2021086515 W CN 2021086515W WO 2022217409 A1 WO2022217409 A1 WO 2022217409A1
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- mobile phone
- audio
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- 238000013515 script Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 34
- 230000037431 insertion Effects 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 21
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000006855 networking Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
Definitions
- the invention relates to the field of live broadcast and the Internet, in particular to a mobile phone multi-scene live broadcast system and a script control switching method.
- Live video is to collect and encode real-time video signals (mobile phones, cameras) into standard stream data in real time, and transmit them to viewers in real time through live broadcast platforms and networks.
- the existing TV station live broadcast system involves video and audio content collection, management, editing, storage, multimedia content review and release, advertisement management and release, etc.
- the live broadcast system is complex, requires a special team to operate, and the system is expensive.
- the method of online live broadcast is relatively simple. Usually, a live broadcast mobile phone is used for live broadcast, which cannot provide multi-scene switching and content insertion. It is also impossible to enhance the live broadcast narrative ability by pre-editing scripts like TV stations produce live broadcast programs, and insert short videos and graphics. .
- the host's mobile phone runs the live video control script to control the live video to switch from the host's mobile phone to the standby video in the slave mobile phone or the cloud standby server.
- the anchor mobile phone runs the audio insertion control script to control the audio and sound effect insertion at the same time.
- the live video control script and the audio insert control script can be edited according to the timeline template.
- the system of the present invention includes: a host mobile phone, at least one slave mobile phone, at least one cloud backup server and a wireless network: the host mobile phone is used for live video and running live video control scripts. , control the switching of the slave mobile phone, the insertion of multimedia content from the cloud standby server, and receive the streaming from the slave mobile phone or obtain the cloud standby multimedia content from the cloud standby server; the slave mobile phone is used to stream its live video stream.
- Push streams to the host's mobile phone through a wireless network the cloud standby server is used to provide registered users with multimedia content storage and URL lists, and push the corresponding URL content to the host's mobile phone according to the host's data-fetching instruction; the wireless network , used for wireless networking between the host mobile phone and the slave mobile phone, connecting the cloud backup server, and transmitting live video streams and multimedia data.
- the mobile phone automatically forms a network through broadcasting. After the live broadcast mobile phone and the slave broadcast mobile phone go online, the network broadcast information packet is actively sent.
- the broadcast information package includes: software version, IP address and role (host cell phone or slave cell phone 1, slave cell phone 2•••••, etc.).
- the host mobile phone After receiving the network broadcast information packet of the slave mobile phone, the host mobile phone adds the slave mobile phone and the broadcast information packet information to the list of the slave mobile phone.
- Scene switching and content insertion are controlled by a live video control script running on the host's mobile phone.
- the live video control script is a timeline instruction control template.
- the starting point of the t-axis of the timeline is t_0. According to t_1 ⁇ t_2•••t_ (n-1) ⁇ t_n are arranged in ascending order, and each time node t_n corresponds to an event S_n.
- the event S_n corresponds to the switching of the live broadcast [CV]_m from the mobile phone video broadcast or the insertion of the cloud-ready multimedia content [MM]_n.
- the multimedia content can be video, audio, sound effects, or graphics and text, which is stored and managed by the cloud backup server, and each multimedia content has a URL link, so that when the script runs, according to the URL from the URL The cloud backup server obtains the corresponding multimedia content.
- the live video control script can be edited directly on the host's mobile phone, the event S_n corresponding to t_n is directly input into the timeline template, and the script editing is completed after all events corresponding to time nodes are input.
- live video control scripts can be edited and stored on the live mobile phone at the same time. But at runtime, only one of the live video control scripts can be selected to run.
- the host mobile phone runs the live broadcast switching control script and the audio insertion control script, and controls the live video switching and audio or sound effect insertion according to the scripts.
- the event S_n corresponding to the running time node t_n of the live broadcast control script is to switch the video of the slave mobile phone
- the live broadcast mobile phone initiates a push request to the slave mobile phone, and the slave mobile phone sends the video stream it is live broadcasting to. Pushed to the anchor's mobile phone to replace the video stream captured by its camera.
- the audio insertion control script is used to control live audio and sound effect insertion.
- the audio insertion control script is a timeline instruction control template.
- the starting point of the t-axis of the timeline is t_0, arranged in ascending order according to t_1 ⁇ t_2•••t_(n-1) ⁇ t_n, and each time node t_n corresponds to an event S_n.
- the event S_n corresponds to audio or sound effects in the cloud standby server, and each audio or sound effect has a URL link, so that when the script runs, the corresponding audio can be obtained from the cloud standby server according to the URL. or sound effects.
- the audio insertion control script can be edited directly on the host's mobile phone, the event S_n corresponding to t_n is directly input into the timeline template, and the script editing is completed after all events corresponding to time nodes are input.
- multiple audio insertion control scripts can be edited and stored on the live mobile phone at the same time. However, at runtime, only one of the audio insertion control scripts can be selected to run.
- the anchor's mobile phone runs the script, and controls the insertion of live audio and sound effects according to the script.
- the mobile phone multi-scene live broadcast system and script control switching method for the live video of the present invention provide ordinary users with a method for automatically completing multi-camera live scene switching or cloud-ready content insertion through a mobile terminal.
- Control mode through the pre-programmed video live control script and audio insertion control script, you can switch the scene arbitrarily during live broadcast, insert video content at any time, insert audio and sound effects, greatly enrich the live broadcast content and effects, and greatly enhance the possibility of live video streaming. Demonstrate competence and professionalism.
- FIG. 1 is a diagram of a mobile phone multi-scene live broadcast system provided by a preferred embodiment of the present invention
- FIG. 2 is a flow chart of the automatic networking of a host mobile phone and a slave mobile phone provided by a preferred embodiment of the present invention
- FIG. 3 is a video live broadcast according to the preferred embodiment of the present invention.
- Control script timeline template FIG. 4 is an audio insertion control script timeline template according to a preferred embodiment of the present invention.
- FIG. 1 is a diagram of a mobile phone multi-scene live broadcast system provided by a preferred embodiment of the present invention.
- 1 is the wireless network (WiFi) of this embodiment
- 2 is the host mobile phone
- 3 is the slave mobile phone
- 4 is the Internet
- 5 is the cloud backup server.
- the system described in this embodiment includes two slave mobile phones 3. 2 and 3 are connected to the same WiFi network 1 at the same time; then 1 is connected to the Internet 4, and 5 is also connected to 4; When the live stream is switched from 2 to 3, the video stream of 3 is transmitted to 2 through 1; when the host mobile phone 2 controls the instruction to switch the live video stream to multimedia content, 2 directly obtains the multimedia content from 4 through the URL.
- FIG. 2 is a flowchart of automatic networking of a host mobile phone and a slave mobile phone according to a preferred embodiment of the present invention.
- the networking includes the following steps: S11, the host and the slave mobile phones on the same WiFi network segment send broadcast packets to the same network segment, and the broadcast packet characters include: IP address, software version number and roles (roles are respectively the host mobile phone or the slave mobile phone); S12. After receiving the host mobile phone broadcast packet from the host mobile phone, the slave mobile phone also returns the online signal to the host mobile phone by broadcasting, including: IP address, software version number and role; S13. After the host cell phone receives the online signal sent by the slave cell phone, the online information, software version number, IP address and role of the slave cell phone are added to the list of slave cell phones; S14, when the host cell phone adds all the slave cell phones After the list of mobile phones is broadcasted, the networking is completed.
- FIG. 3 is a timeline template of a live video control script according to a preferred embodiment of the present invention.
- the time nodes are divided into t_0, t_1, t_2•••t_(n-1), t_n, and the live broadcast starts at time t_0.
- the host The mobile phone starts the live broadcast, and the live broadcast scene is recorded as the main scene; when the time node t_1 is reached, as shown in S21, the corresponding event is switching to the slave mobile phone 1, and the live broadcast scene is the slave broadcast scene 1.
- the specific real-time process is: first, the host mobile phone initiates a push request to the slave mobile phone at time node t_1; after the slave mobile phone receives the push request, it pushes the stream to the host mobile phone; after the host mobile phone receives the push flow from the slave mobile phone , send it to the buffer area to replace the live stream of the host's mobile phone camera; when the time reaches the time node t_2, S22 instructs to enter event 2, return to the host's main scene, the host's mobile phone stops receiving the stream from the host's mobile phone, and returns to the host Mobile video live stream; when the time reaches the time node t_(n-1), the event S_(n-1) indicated by S23 is to insert an advertisement, and the anchor mobile phone links through the pre-programmed URL at the time of t_(n-1), Get the video advertisement from the cloud backup server; S24 is the event corresponding to time t_n.
- FIG. 4 is a timeline template of an audio insertion control script according to a preferred embodiment of the present invention.
- the time nodes are divided into t_0, t_1, t_2•••t_(n-1), t_n, and audio is inserted at time t_0, as shown in S31, time point t_0 Insert the main melody music; proceed to the time node t_1, as shown in S32, the corresponding event is the insertion sound effect, the anchor mobile phone takes the sound effect from the cloud standby server through the URL, and replaces the main melody music being played at t_1; When the time reaches the time node t_2 At the time, enter event 2 shown in S33, insert music 2, and the anchor mobile phone takes music 2 from the cloud standby server through the URL, and replaces the sound effect being played; When time arrives at node t_(n-1), shown in S34 , insert music 2, the anchor mobile phone fetches music 2 from the cloud backup server
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Abstract
本发明公开一种手机多场景直播系统与脚本控制切换方法，其特征在于，在由一个主播手机和多个从播手机组网的直播系统中，主播手机运行视频直播控制脚本控制视频直播从主播手机任意切换到从播手机或云备播服务器中的备播视频，运行音频插播控制脚本控制音频和音效插入。所述视频直播控制脚本和音频插播控制脚本可以按照时间线模板编辑。本发明的技术方案为用户通过多个移动终端和云备播音视频支撑，实现手机多机位切换（场景），预编直播场景，随时插入视频内容、音频和音效，极大地丰富直播内容与效果。
Description
本发明涉及直播和互联网领域，特别涉及一种手机多场景直播系统与脚本控制切换方法。
视频直播是把现场的实时视频信号(手机、摄像机)进行实时采集并编码成标准流数据，通过直播平台和网络实时传送给观看者观看。中国现有超过5.6亿网络直播用户，在会议直播、活动直播、培训直播，娱乐直播，商品销售直播，游戏直播，学校课堂直播等领域都有巨大的直播需求。现有电视台直播系统，涉及视音频内容采集、管理、编辑、存储，涉及多媒体内容审核发布、广告管理发布等，直播系统复杂，需要专门团队操作，系统造价昂贵。目前网络直播方式比较简单，通常采用一台直播手机进行直播，无法提供多场景切换和内容插播，更无法像电视台制作直播节目那样，通过预先编辑脚本来增强直播叙事能力，插播短视频和图文。
在由一个主播手机和多个从播手机组网的直播系统中，为增强叙事能力，需要编写脚本来控制视频场景和音频片段的切换。的主播手机运行视频直播控制脚本控制视频直播从主播手机任意切换到从播手机或云备播服务器中的备播视频。主播手机同时运行音频插播控制脚本控制音频和音效插入。所述视频直播控制脚本和音频插播控制脚本可以按照时间线模板编辑。
为有效解决上述技术问题，本发明所述系统包括：一个主播手机、至少一个从播手机、至少一台云备播服务器和无线网络：所述主播手机，用于视频直播和运行视频直播控制脚本，操控从播手机切换、云备播服务器多媒体内容插播，并接收从播手机向其推流或从云备播服务器获取云备播多媒体内容；所述从播手机，用于将其直播视频流通过无线网络向所述主播手机推流；所述云备播服务器，用于为注册用户提供多媒体内容存储、URL列表，并根据主播取数据指令将相应URL内容推送给主播手机；所述无线网络，用于所述主播手机和从播手机无线组网，连接所述云备播服务器，传输直播视频流和多媒体数据。根据本发明的一个方面，所述手机通过广播自动组网。所述直播手机和从播手机上线后主动发送组网广播信息包。所述广播信息包包括：软件版本、IP地址和角色（主播手机或从播手机1、从播手机2••••••等）。优选地，主播手机收到从播手机组网广播信息包后，将所述从播手机和所述广播信息包信息加入到其从播手机列表中。场景切换和内容插播由运行在主播手机上的视频直播控制脚本控制，所述视频直播控制脚本是一个时间线指令控制模板，所述时间线t轴起点为t_0，按照t_1<t_2•••t_(n-1)<t_n升序排列，每个时间节点t_n对应一个事件S_n。优选地，所述事件S_n对应的可以是从播手机视频直播〖CV〗_m切换或云备播多媒体内容〖MM〗_n插播。进一步，所述多媒体内容可以是视频、音频、音效、或图文，由云备播服务器存储与管理，并且，每一个多媒体内容都有一个URL链接，以便在脚本运行时，根据所述URL从云备播服务器获取相应的多媒体内容。优选地，所述视频直播控制脚本可以在主播手机上直接编辑，直接将t_n对应的事件S_n输入到时间线模板中，将所有时间节点对应的事件都输入完成后，脚本编辑完成。进一步，在直播手机上可以同时编辑和存储多个视频直播控制脚本。但在运行时，只能选取其中一个视频直播控制脚本运行。优选地，所述主播手机运行所述直播切换控制脚本和音频插播控制脚本，并根据所述脚本控制直播视频切换和音频或音效插入。进一步，当所述直播控制脚本运行时间节点t_n所对应的事件S_n是切换从播手机视频时，直播手机向所述从播手机发起推流请求，所述从播手机将其正在直播的视频流推送给主播手机，替代其摄像头拍摄的视频流。当所述视频直播控制脚本运行时间点t_n所对应的事件S_n是云备播服务器的多媒体内容时，主播手机将通过对应事件的URL链接，从云备播服务器取对应的多媒体内容。根据本发明的再一方面，所述音频插播控制脚本用于控制直播音频和音效插入。所述音频插播控制脚本是一个时间线指令控制模板，所述时间线t轴起点为t_0，按照t_1<t_2•••t_(n-1)<t_n升序排列，每个时间节点t_n对应一个事件S_n。优选地，所述事件S_n对应的是云备播服务器中的音频或音效，每一个音频或音效都有一个URL链接，以便在脚本运行时，根据所述URL从云备播服务器获取相应的音频或音效。优选地，所述音频插播控制脚本可以在主播手机上直接编辑，直接将t_n对应的事件S_n输入到时间线模板中，将所有时间节点对应的事件都输入完成后，脚本编辑完成。进一步，在直播手机上可以同时编辑和存储多个音频插播控制脚本。但在运行时，只能选取其中一个音频插播控制脚本运行。优选地，所述主播手机运行所述脚本，并根据所述脚本控制直播音频和音效插入。
优选地，从播手机收到主播手机组网广播信息后，记录主播手机IP地址信息和软件版本号。根据本发明的另一方面，所述直播视频本发明手机多场景直播系统与脚本控制切换方法，为普通用户提供了一种通过移动终端自动完成多机位直播场景切换或云备播内容插播的控制方式，通过预编视频直播控制脚本和音频插播控制脚本，可以在直播时任意切换场景，随时插入视频内容，插入音频和音效，极大地丰富直播内容与效果，极大地增强直播视频流的可展示能力和专业化水平。
为使本发明的上述目的、特征和优点能够更为明显易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚完整的描述，显然所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明实施例，本领域普通技术人员在没有做出创造性劳动前提下，所获得的所有其它实施例都属于本发明保护的范围。图1为本发明优先实施例提供的手机多场景直播系统图；图2为本发明优先实施例提供的主播手机和从播手机自动组网流程图；图3为本发明优先实施例的视频直播控制脚本时间线模板；图4是本发明优先实施例的音频插播控制脚本时间线模板。
现在结合附图和优选实施例对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本原理、基本结构和基本功能，因此其仅显示与本发明有关的构成。本领域的一般技术人员可能会意识到本发明的一些变体以及等同替代，但这些变体和等同替代不应理解为超出了本发明的保护范围。图1为本发明优先实施例提供的手机多场景直播系统图。如图1所示，1为本实施例的无线网络（WiFi）、2为所述主播手机、3为所述从播手机、4是所述互联网、5是所述云备播服务器。本实施例所述系统包括两个从播手机3。2和3同时连接到同一个WiFi网络1上；然后1再连接到互联网4上，5也连接到4上；当主播手机2操控指令将直播流从2切换到3时，3的视频流通过1传送给2；当主播手机2操控指令将直播视频流切换到多媒体内容时，2通过所述URL直接从4获取所述多媒体内容。图2为本发明优先实施例提供的主播手机和从播手机自动组网流程图。如图2所示，所述组网包括以下步骤：S11、在同一个WiFi网段上的主播和从播手机向同一网段发送广播包，所述广播包字符包括：IP地址、软件版本号和角色（角色分别为主播手机或从播手机）；S12、从播手机收到主播手机广播包后，也通过广播方式向主播手机返回已在线信号，包括：IP地址、软件版本号和角色；S13、主播手机收到从播手机发出的在线信号后，将该从播手机在线信息、软件版本号、IP地址和角色加入到从播手机列表中；S14、当主播手机将所有从播手机加入从播手机列表后，组网完成。图3为本发明优先实施例的视频直播控制脚本时间线模板。如图3所示，在时间轴S20上，将时间节点分为，t_0,t_1,t_2•••t_(n-1)，t_n，在t_0时间开始直播，所述系统组网完毕后，主播手机开始直播，直播场景记为主场景；进行到时间节点t_1，如S21所示，对应事件为切换到从播手机1，直播场景为从播场景1。具体实时流程是，首先是主播手机在时间节点t_1时刻向从播手机发起推流请求；从播手机收到推流请求后，向主播手机推流；主播手机收到从播手机的推流后，将其送人缓存区，替代主播手机摄像头的直播流；当时间到达时间节点t_2点时，S22指示进入事件2，返回主播的主场景，主播手机停止接收从播手机推流，回到主播手机视频直播流；当时间到达时间节点t_(n-1)时，S23指示的事件S_(n-1)为插入广告，主播手机在t_(n-1)时刻通过预编入的URL链接，从所述云备播服务器取所述视频广告；S24为在t_n时刻对应的事件。图4是本发明优先实施例的音频插播控制脚本时间线模板。如图4所示，在时间轴S30上，将时间节点分为，t_0,t_1,t_2•••t_(n-1)，t_n，在t_0时间开始插入音频，如S31所示，t_0时间点插播主旋律音乐；进行到时间节点t_1，如S32所示，对应事件为插播音效，主播手机通过所述URL从云备播服务器取音效，在t_1替换正在播放的主旋律音乐；当时间到达时间节点t_2点时，S33所示进入事件2，插播音乐2，主播手机通过所述URL从云备播服务器取音乐2，替换正在播放的音效；当时间到达节点t_(n-1)时，S34所示，插播音乐2，主播手机通过所述URL从云备播服务器取音乐2，替换或接替正在播放的音乐或音效； S35为在t_n时刻对应的事件，为返回主旋律音乐。本发明虽然已以较佳实施例公开如上，但其并不是用来限定本发明，任何本领域 技术人员在不脱离本发明的精神和范围内，都可以利用上述揭示的方法和技术内容对本发明技术方案做出可能的变动和修改，因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化及修饰，均属于本发明技术方案的保护范围。
Claims (7)
- 一种手机多场景直播系统与脚本控制切换方法，其特征在于，所述方法采用视频直播控制脚本控制视频场景切换和云备播内容插播；采用音频插播控制脚本控制音频和音效插播。
- 根据权利要求1所述视频直播控制脚本，其特征在于，所述控制脚本是一个时间线指令控制模板，在时间轴上按照t_1<t_2•••t_(n-1)<t_n升序排列，每个时间节点t_n对应一个事件S_n。所述脚本在主播手机上运行实现所述场景切换和云备播内容插播。
- 根据权利要求1所述视频直播控制脚本，其特征在于，所述事件S_n对应的是从播手机视频直播流切换或云备播多媒体内容插播。在所述事件对应从播手机直播流切换时，由主播手机向从播手机发起推流请求，从播手机向所述主播手机推流；在所述事件对应多媒体内容插播时，由主播手机根据所述内容URL，从云备播服务器取数据。
- 根据权利要求1所述视频直播控制脚本，其特征在于，所述视频直播控制脚本可以在主播手机上编辑，直接将t_n对应的事件S_n输入到时间线模板中，将所有时间节点对应的事件都输入完成后，所述脚本编辑完成。
- 根据权利要求1所述音频插播控制脚本，其特征在于，是一个时间线指令控制模板，在时间轴上按照t_1<t_2•••t_(n-1)<t_n升序排列，每个时间节点t_n对应一个事件S_n。
- 根据权利要求1所述音频插播控制脚本，其特征在于，所述事件S_n对应的是云备播服务器中的音频或音效，每一个音频或音效都有一个URL链接，在脚本运行时，根据所述URL从云备播服务器获取相应的音频或音效。
- 根据权利要求1所述音频插播控制脚本，其特征在于，所述音频插播控制脚本可以在主播手机上编辑，直接将t_n对应的事件S_n输入到时间线模板中，将所有时间节点对应的事件都输入完成后，所述脚本编辑完成。
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