CN110856009A - Network karaoke system, audio and video playing method of network karaoke and related equipment - Google Patents
Network karaoke system, audio and video playing method of network karaoke and related equipment Download PDFInfo
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- CN110856009A CN110856009A CN201911180493.0A CN201911180493A CN110856009A CN 110856009 A CN110856009 A CN 110856009A CN 201911180493 A CN201911180493 A CN 201911180493A CN 110856009 A CN110856009 A CN 110856009A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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]
- H04N21/20—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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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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
- H04N21/439—Processing of audio elementary streams
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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
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
Abstract
The invention provides a network karaoke system, an audio and video playing method of the network karaoke and related equipment, wherein a service server in the system is used for sending a resource address of a target song to a client when a singing instruction of the target song is received; each client is used for judging whether the current client has the singing authority of the target song or not when receiving the resource address of the target song sent by the service server; if not, acquiring a video corresponding to the target song in the CDN server according to the resource address; when receiving the audio and time stamp record generated in the singing process of a target song sent by the streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; determining a target display time stamp corresponding to the audio time stamp in the time stamp record; and adjusting the playing progress of the video according to the target display timestamp. The method and the device can effectively reduce the load of the plug flow server and improve the experience of a user.
Description
Technical Field
The invention relates to the field of audio and video processing, in particular to a network karaoke system, an audio and video playing method of the network karaoke and related equipment.
Background
In recent years, with the development of network technology, people are more and more interested in colorful entertainment activities in the internet, wherein, the network live broadcast is deeply loved by the majority of users, people can watch the content and the live broadcast with rich and colorful forms on each network live broadcast platform, and watching the network live broadcast becomes an important relaxing mode in part of people's lives.
Research shows that in the existing network live broadcast K song scene, a client of a singing user generally plays music MV carrying an accompaniment, and collects the audio of the singing user. The client side of the singing user forms the music MV and the audio into a video stream, and the video stream is sent to the client side of each singing user through a stream pushing server; however, when the streaming server sends the video stream to the clients of the users listening to songs, the load of the streaming server is increased, which easily causes unstable data transmission and brings negative experience to the users.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a network karaoke system, an audio and video playing method of the network karaoke and related equipment, which can effectively reduce the load of a stream pushing server and improve the experience of a user.
In order to achieve the above object, the following solutions are proposed:
a network karaoke system comprising:
the system comprises a business server, a stream pushing server and a plurality of clients;
the business server is used for sending the resource address of the target song to each client when a singing instruction of the target song is received; the target song is a current song to be sung;
each client is used for judging whether the client has the singing permission of the target song or not when receiving the resource address of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address if the client does not have the singing permission of the target song, playing the audio and the video when receiving the record of the audio and the time stamp generated in the singing process of the target song sent by the streaming server, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; adjusting the playing progress of the video according to the target display timestamp so as to realize synchronous playing of the audio and the video; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video.
An audio and video playing method of network K song is characterized by comprising the following steps:
when a preset resource address of a target song sent by a service server is received, judging whether a current client side has the singing permission of the target song, wherein the target song is a current song to be sung;
if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address;
when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video;
in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp;
and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
Optionally, in the method, the video corresponding to the target song is pre-stored in the CDN server;
the process of storing the video to the CDN server comprises the following steps:
acquiring a music video corresponding to the target song;
separating an initial audio and a video picture in the music video to obtain an initial audio corresponding to the music video and a video not carrying the audio;
and storing the video not carrying the audio into the CDN server.
Optionally, the method further includes, after obtaining the initial audio corresponding to the music video:
judging the type of the audio track of the initial audio;
if the track type of the initial audio is a multi-track type, calling an FFMPEG tool preset by application to separate the initial audio to obtain an accompaniment audio and an original singing audio in the initial audio;
if the initial audio is of a single-track type, separating the initial audio by applying a preset human voice separation algorithm to obtain an accompaniment audio and an original singing audio in the initial audio;
and storing the acquired accompaniment audio and the original singing audio in an associated manner with the video.
The above method, optionally, further includes:
if the current client has the singing permission of the target song, acquiring a video and an accompaniment audio corresponding to the target song in the CDN server according to the resource address;
playing the video and the accompaniment audio in the current client so that a user corresponding to the current client sings the target song according to the video and the accompaniment audio;
collecting audio generated by singing the target song during the process that a user corresponding to the current client sings the target song, distributing an audio time stamp for the audio collected at each collection moment, determining a display time stamp of the video corresponding to each collection moment, and associating the audio time stamp corresponding to each collection moment with the display time stamp to obtain a time stamp record;
and sending the collected audio and the time stamp record to the stream pushing server.
Optionally, the determining a display timestamp of the video corresponding to each of the capturing moments includes:
determining the acquisition delay time of the current client;
and determining the display time stamp of the video corresponding to each acquisition moment based on the acquisition delay time length.
Optionally, the method for adjusting the playing progress of the video according to the target display timestamp includes:
acquiring a current playing time stamp of the video;
judging whether the target display timestamp is larger than the play timestamp;
and if the target display timestamp is greater than the playing timestamp, adjusting the current playing picture to a picture corresponding to the target display timestamp in the video.
Optionally, in the above method, in the time stamp recording, determining a target display time stamp corresponding to the currently acquired audio time stamp includes:
traversing the timestamp records according to the currently acquired audio timestamps to acquire display timestamps corresponding to the audio timestamps;
and determining the display time stamp corresponding to the audio time stamp as a target display time stamp.
An audio and video playing device for network karaoke comprises:
the device comprises a receiving unit, a singing unit and a singing unit, wherein the receiving unit is used for judging whether a current client side has the singing authority of a target song when a resource address of the target song sent by a preset service server is received, and the target song is a current song to be sung;
an obtaining unit, configured to obtain, when the current client does not have the singing right of the target song, a video corresponding to the target song in a preset CDN server according to the resource address;
the playing unit is used for playing the audio and the video when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset push streaming server, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp record comprises the corresponding relation between each audio time stamp of the target song in the playing process and the display time stamp of the video;
the determining unit is used for determining a target display time stamp corresponding to the currently acquired audio time stamp in the time stamp record;
and the adjusting unit is used for adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
A storage medium is characterized by comprising a storage instruction, wherein when the instruction runs, a device where the storage medium is located is controlled to execute the audio and video playing method of the network Karaoke.
An electronic device comprising a memory and one or more instructions, wherein the one or more instructions are stored in the memory and configured to be executed by one or more processors to perform the method for playing network karaoke as described above.
Compared with the prior art, the invention has the following advantages:
the invention provides a network karaoke system, an audio and video playing method of the network karaoke and related equipment, wherein the network karaoke system comprises a service server, a stream pushing server and a plurality of clients; the business server is used for sending the resource address of the target song to each client when a singing instruction of the target song is received; the target song is a current song to be sung; each client is used for judging whether the client has the singing permission of the target song or not when receiving the resource address of the target song, acquiring a video corresponding to the target song in the CDN server according to the resource address if the client does not have the singing permission of the target song, playing the audio and the video when receiving the audio and time stamp record generated in the singing process of the target song sent by the streaming server, and acquiring an audio time stamp of the audio in the playing process according to a preset time interval; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; adjusting the playing progress of the video according to the target display timestamp so as to realize synchronous playing of the audio and the video; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video. The load of the plug-flow server can be effectively reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a network karaoke system provided by the present invention;
fig. 2 is a flowchart of a method for playing an audio/video of a network karaoke according to the present invention;
fig. 3 is a flowchart of another method of playing an audio/video of a network karaoke according to the present invention;
fig. 4 is an exemplary diagram of an audio/video playing method for network karaoke provided by the present invention;
fig. 5 is a diagram illustrating another example of an audio/video playing method for a network karaoke provided by the present invention;
fig. 6 is a flowchart of another method of playing an audio/video of a network karaoke according to the present invention;
fig. 7 is a schematic structural diagram of an audio/video playing device for network karaoke provided by the present invention;
fig. 8 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 1, a schematic structural diagram of a network karaoke system provided by the present invention is shown, the network karaoke system includes: a service server 101, a stream pushing server 102 and a plurality of clients 103.
The service server 101 and the stream pushing server 102 may be independent servers, or may be integrated into the same server.
The client 103 may be a personal computer, a server computer, a hand-held or portable device, a tablet-type device, a multi-processor apparatus, a distributed computing environment including any of the above apparatus or devices, and so forth.
The service server 101 interacts with the client 103 through a network, the stream pushing server 102 interacts with the client 103 through a network, and the CDN server 104 interacts with the client 103 through a network, which is a medium providing a communication link according to an embodiment of the present invention and may include various connection types, such as a wired connection, a wireless communication link, or an optical fiber cable.
The service server 101 is configured to send a resource address of a target song to each client when a singing instruction for the target song is received; the target song is a song to be sung currently.
Each client 103 is configured to determine whether the client has the singing permission of the target song when receiving the resource address of the target song, acquire a video corresponding to the target song in a preset CDN server according to the resource address if the client does not have the singing permission of the target song, play the audio and the video when receiving an audio and a timestamp record generated in the singing process of the target song sent by the streaming server 102, and acquire an audio timestamp of the audio in the playing process according to a preset time interval; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; adjusting the playing progress of the video according to the target display timestamp so as to realize synchronous playing of the audio and the video; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video.
In the method provided by the embodiment of the present invention, when the streaming server 102 receives the audio and the timestamp records generated during the singing process of the target song sent by the client with the singing permission, the audio and the timestamp records are sent to each client except the client with the singing permission.
It should be understood that the numbers of the service servers, the stream pushing servers and the clients in fig. 1 are only illustrative and can be set according to actual needs.
By applying the network karaoke system provided by the embodiment of the invention, the load of the stream pushing server can be effectively reduced, and the user experience is improved.
Based on the network karaoke system, an embodiment of the present invention provides an audio/video playing method for network karaoke, which may be applied to a network karaoke system, where an execution subject may be a processor of a client, and a method flowchart of the method is as shown in fig. 2, and specifically includes:
s201: when a preset resource address of a target song sent by a service server is received, judging whether a current client side has the singing permission of the target song, wherein the target song is a current song to be sung.
In the method provided by the embodiment of the present invention, a request including a target song ID may be sent to the service server, and the service server may obtain a resource address of the target song according to the target song ID in the request and send the resource address to each client side in the case of receiving the request, where specifically, the singing permission may be a mcdong permission.
S202: and if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address.
Specifically, the resource address may include lyric resources, accompaniment resources, video resources, and the like, and a video corresponding to the target song may be acquired through the video resources in the resource address, where the video is stored in the CDN server in advance, the video is a video subjected to preprocessing, and the video does not carry audio information.
S203: and when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset stream pushing server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval.
In the method provided by the embodiment of the present invention, the timestamp records a corresponding relationship between each audio timestamp of the target song during the playing process and the display timestamp of the video, and specifically, the audio player may be used to play the audio and the video player is used to play the video, that is, the audio player and the video player are different.
The size of the time interval may be set by a technician according to actual conditions, and may be, for example, 1s, 5s, or 10 s.
S204: and in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp.
In the method provided by the embodiment of the invention, each audio time stamp corresponds to each display time stamp one by one, namely, one display time stamp can be uniquely determined in the time stamp record through one audio time stamp.
S205: and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
Specifically, one way of adjusting the playing progress of the video according to the target display timestamp is as follows: and determining a video frame corresponding to the target display timestamp, and taking the video frame as a current playing picture to realize adjustment of the playing progress of the video, so that the audio and the video are synchronously played.
The audio and video playing method for the network K song provided by the embodiment of the invention comprises the following steps: when a preset resource address of a target song sent by a service server is received, judging whether a current client side has the singing permission of the target song, wherein the target song is a current song to be sung; if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address; when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp record comprises the corresponding relation between each audio time stamp of the target song in the playing process and the display time stamp of the video; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video. Can receive the audio frequency through pushing away the streaming server, receive the video through CDN server, can effectual reduction push away streaming server's load, promote user's experience.
In the method provided by the embodiment of the present invention, based on the implementation process, specifically, the video corresponding to the target song is stored in the CDN server in advance;
the process of storing the video to the CDN server comprises the following steps:
acquiring a music video corresponding to the target song;
separating an initial audio and a video picture in the music video to obtain an initial audio corresponding to the music video and a video not carrying the audio;
and storing the video not carrying the audio into the CDN server.
In the method provided by the embodiment of the invention, the music video is an MV video, the music video comprises original audio, accompaniment audio, video pictures and the like, the initial audio and the video pictures in the music video can be separated through an FFMPEG tool to obtain the video which does not carry the audio in the music video, the target song ID of the music video is determined, and the target song ID and the video are stored in a correlation manner.
Specifically, a video of a target song is stored in a CDN server, a storage address of the video is recorded, the storage address is used as a video resource and is stored in a service server in association with a song ID, when the service server receives a song requesting request of any client, a song ID of a song to be played currently is obtained in the song requesting request, a corresponding video storage address is obtained according to the song ID, and the video storage address is issued to each client.
In the method provided in the embodiment of the present invention, based on the above implementation process, specifically, after obtaining the initial audio corresponding to the music video, the method further includes:
judging the type of the audio track of the initial audio;
if the track type of the initial audio is a multi-track type, separating the initial audio by using a preset FFMPEG tool to obtain an accompaniment audio and an original singing audio in the initial audio;
if the initial audio is of a single-track audio type, separating the initial audio by applying a preset human voice separation algorithm to obtain an accompaniment audio and an original singing audio in the initial audio;
and storing the acquired accompaniment audio and the original singing audio in an associated manner with the video.
In the method provided by the embodiment of the invention, the initial audio comprises an accompaniment audio and an original singing audio, wherein the original singing audio is a vocal audio of original singing; the accompaniment audio and the original singing audio can be in the same track or different tracks; if the track type of the initial audio is a single track type, the accompaniment audio and the original singing audio are in the same track, and under the condition, the initial audio can be separated by adopting a preset human voice separation AI algorithm to obtain the accompaniment audio and the original singing audio; if the track type of the initial audio is a multi-track type, it indicates that the accompaniment audio and the original singing audio are in different tracks.
Specifically, after obtaining the accompaniment audio and the original singing audio contained in the music video, storing the accompaniment audio, the original singing audio and the video to a CDN server, recording resource addresses of the accompaniment audio, the original singing audio and the video by a service server, and issuing the resource addresses before a user sings a song corresponding to the resource addresses, so that the user can select an accompaniment mode or an original singing mode to perform singing in the playing process, and when the user selects the accompaniment mode, a client with a singing authority obtains the accompaniment audio and the video in the CDN server; when the user selects the original singing mode, the client with the singing permission acquires the accompaniment audio, the original singing audio and the video from the CDN server, and the network K song requirements of the user can be met.
In the method provided in the embodiment of the present invention, based on the implementation process, specifically, the method further includes:
if the current client has the singing permission of the target song, acquiring a video and an accompaniment audio corresponding to the target song in a preset CDN server according to the resource address;
playing the video and the accompaniment audio in the current client so that a user corresponding to the current client sings the target song according to the video and the accompaniment audio;
collecting audio generated by singing the target song during the process that a user corresponding to the current client sings the target song, distributing an audio time stamp for the audio collected at each collection moment, determining a display time stamp of the video corresponding to each collection moment, and associating the audio time stamp corresponding to each collection moment with the display time stamp to obtain a time stamp record;
and sending the collected audio and the time stamp record to the stream pushing server.
In the method provided by the embodiment of the invention, if the current client has the singing permission of the song, the current singing mode can be determined, the singing mode can be an original singing mode or an accompaniment mode, and is specifically set by a user, if the current singing mode is the original singing mode, the video, the accompaniment audio and the original singing audio are obtained in the CDN server according to the resource address, and if the current singing mode is the accompaniment mode, the video and the original singing audio are obtained in the CDN server according to the resource address.
The collected audio and the timestamp records are sent to the plug flow server in a real-time manner or according to a preset time interval, and if the audio and the timestamp records are sent according to a certain time interval, the time interval is required to be smaller than the delay time between a client with a singing permission and a client without the singing permission.
Specifically, the display timestamp is a timestamp of a video frame of a video being played at the current moment, and is a timestamp record by recording a corresponding relation between an audio video timestamp and the display timestamp of each acquisition moment, so that the timestamp record is obtained, and the acquired audio is sent to a stream pushing server in the form of an audio stream and the timestamp record, so that the stream pushing server sends the audio stream and the timestamp record to each client except the client in a current K song room of the client, wherein the current K song room of the client can contain a plurality of clients with singing authority, and each client with the singing authority can send the audio generated by playing to other clients through the stream pushing server.
In the method provided in the embodiment of the present invention, based on the implementation process, specifically, the determining the display timestamp of the video corresponding to the acquisition time includes:
determining the acquisition delay time of the current client;
and determining the display time stamp of the video corresponding to each acquisition moment based on the acquisition delay time length.
In the method provided by the embodiment of the invention, a user sings a song while playing videos and accompaniment audios, when a client collects the audio generated by the song sung by the user, a delay exists between the collected audio and the accompaniment audios and videos, so that the collection delay time of the current client needs to be determined, the display time stamp of the video corresponding to the collection time is determined based on the collection delay time so as to ensure that the rhythms of the audio and the accompaniment audios correspond to each other, the collected audio and the accompaniment audios can be mixed according to the collection delay time, and the mixed audio is sent to other clients through a stream pushing server.
In the method provided in the embodiment of the present invention, based on the foregoing implementation process, specifically, the adjusting the playing progress of the video according to the target display timestamp may include, as shown in fig. 3:
s301: and acquiring the current playing time stamp of the video.
In the method provided by the embodiment of the present invention, one way to obtain the current playing timestamp of the video is as follows: and determining a video frame currently played by the video, and reading a playing time stamp on the video frame.
S302: and judging whether the target display timestamp is larger than the play timestamp.
Specifically, if the display timestamp is [00:12:05] and the play timestamp is [00:12:02], it is determined that the target display timestamp is greater than the play timestamp.
S303: and if the target display timestamp is greater than the playing timestamp, adjusting the current playing picture to a picture corresponding to the target display timestamp in the video.
And under the condition that the target display timestamp is greater than the play timestamp, determining a video frame corresponding to the target display timestamp in the video, namely determining a play timestamp consistent with the target display timestamp in the video, and playing the video frame where the play timestamp is located.
If the target display timestamp is equal to the play timestamp, the play picture of the video may not be adjusted.
If the target display timestamp is less than the play timestamp, the video can be selected to be paused until the new target display timestamp is greater than or equal to the play timestamp; or, adjusting the current playing picture to a picture corresponding to the target display time stamp in the video.
Specifically, under the condition that the target display timestamp is smaller than the play timestamp, one way of adjusting the play progress of the video may be: firstly, judging whether the difference value between the target display timestamp and the playing timestamp is greater than a preset threshold value, if so, directly adjusting the current playing picture to a picture corresponding to the target display timestamp in the video, and if not, pausing the playing of the video until the new target display timestamp is greater than or equal to the playing timestamp; the preferred mode is as follows: and directly adjusting the playing picture to a picture corresponding to the target display time stamp in the video.
By applying the method provided by the embodiment of the invention, whether the playing progress of the video and the playing progress of the audio are synchronous can be determined by comparing the relation between the display timestamp and the playing timestamp, and the playing progress of the audio can be determined to be faster than the playing progress of the video under the condition that the display timestamp is greater than the playing timestamp; under the condition that the display timestamp is equal to the play timestamp, the playing progress of the audio and the playing progress of the video can be determined to be synchronous; under the condition that the display timestamp is smaller than the play timestamp, the playing progress of the audio can be determined to be slower than the playing progress of the video; when the video playing progress and the audio playing progress are asynchronous, the video playing progress is adjusted, so that the video playing progress is consistent with the audio playing progress.
In the method provided in the embodiment of the present invention, based on the foregoing implementation process, specifically, in the timestamp recording, determining a target display timestamp corresponding to the currently acquired audio timestamp includes:
traversing the timestamp records according to the currently acquired audio timestamps to acquire display timestamps corresponding to the audio timestamps;
and determining the display time stamp corresponding to the audio time stamp as a target display time stamp.
In the method provided by the embodiment of the present invention, the time stamp record includes a correspondence between each audio time stamp and a display time stamp of the video, and the display time stamp corresponding to the time stamp can be acquired by traversing the time stamp record through the currently acquired audio time stamp.
In an embodiment provided by the present invention, for clearly explaining an implementation process of the present invention, as shown in fig. 4, in an exemplary diagram provided by the present invention, it is assumed that a anchor 401 corresponding to a user 1 is a client currently having a singing permission, and a viewer 403 corresponding to a user 2 is a client not currently having a singing permission, where both the anchor and the viewer can send a song requesting request to a service server 405 to obtain a resource address of a target song, and obtain a corresponding song resource from a CDN server 404 after obtaining the resource address.
The method comprises the steps that a main player 401 plays a video and an accompaniment audio sent by a CDN server 404 under the condition that the video and the accompaniment audio are received, collects sounds generated by a user 1 in a song singing process, distributes an audio time stamp for the audio collected at each collection time, determines a display time stamp of the video corresponding to each collection time, and associates the audio time stamp and the display time stamp corresponding to each collection time to obtain a time stamp record; the captured audio and the timestamp record are sent to the stream push server 402.
The audience 403 receives the video sent by the CDN server 404, plays the audio and the video when receiving the audio and the timestamp record sent by the streaming server 402 and generated when the user 1 sings the target song, and acquires an audio timestamp of the audio in the playing process at a preset time interval; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
The method comprises the steps that one or more anchor ends are arranged, under the condition that the number of the anchor ends is multiple, each anchor end can collect audio generated in the singing process of a corresponding user and send the collected audio to other anchor ends through a streaming server, when any anchor end receives the audio sent by the streaming server, the audio and accompaniment audio played currently are mixed and played, when audience ends receive the audio and timestamp records sent by each anchor end through the streaming server, each audio is mixed according to a first preset mode to obtain chorus audio, each timestamp record is mixed according to a second preset mode to obtain the timestamp record corresponding to the chorus audio.
As shown in fig. 5, another exemplary diagram provided by the present invention, showing a display interface of the client during the process of singing, wherein, a plurality of clients are in the same karaoke room, the client which does not have the singing authority currently receives the audio sent by the client which has the singing authority currently through the plug flow server, the video is obtained in the CDN server, the audio and the video are synchronously played through time stamp recording in the client side which does not have the singing authority currently, wherein, each client can queue for song singing permission, can send a song request in the queuing process to obtain the resource address related to the song request, and before the user starts singing, and acquiring song resources such as accompaniment audio, songs and videos and the like through the resource address, and playing the acquired song resources so that the user sings the song ordered by the user according to the acquired song resources.
In an embodiment provided by the present invention, as shown in fig. 6, a flowchart of a method for playing an audio/video of a network karaoke provided by the present invention specifically includes:
s501: the server separates the video and the initial audio contained in the MV.
The video and the initial audio contained in the MV can be separated through the ffmpeng tool, and the initial audio contains the accompaniment audio and the original singing audio.
S502: judging whether the audio track type in the initial audio is a single audio track type; if yes, executing step S503, otherwise executing step S504;
specifically, if the original audio and the accompaniment audio in the initial audio are in the same track, the track type of the initial audio is a monophonic track type, and if the original audio and the accompaniment audio in the initial audio are in different tracks, the track type of the initial audio is a multi-track type.
S503: and (3) carrying out voice separation in an AI mode, namely separating the initial audio through an AI algorithm to obtain the accompaniment audio and the original singing audio of the initial audio.
S504: the initial audio is separated through a ffmpeng tool, and the accompaniment audio and the original singing audio of the initial audio are obtained.
S505: selecting a corresponding song by a user; specifically, the user may send a song request to the service server through the corresponding client to select a song desired to sing.
S506: and the service server acquires the resource links of the accompaniment audio, the video and the original singing audio according to the song ID, wherein the service server acquires the resource links of the song according to the song ID contained in the song requesting request sent by the client.
S507: the client can play the resources acquired through the resource links by using the player.
S508: and judging whether the current client is the anchor client or not, if so, executing S509, and otherwise, executing S512.
If the current client has the singing permission, the current client is indicated as the anchor terminal, and if the current client does not have the singing permission, the current client is indicated as the audience terminal.
S509: the anchor end enters a singing state, the anchor starts singing, and specifically, when the anchor end enters the singing state, the audio generated by the anchor at the singing song is collected in real time to obtain an audio stream.
S510: and acquiring the playing time stamp of the MV corresponding to each singing moment so as to obtain the time stamp record.
Wherein, the time stamp records the corresponding relation between the audio time stamp of the audio collected at each singing moment and the playing time stamp.
S511: and transmitting the audio stream and the timestamp record to the audience through the stream pushing server.
S512: and the audience terminal adjusts the playing progress of the MV player according to the audio time stamp so as to synchronously play the audio and the video. When the audience terminal acquires the audio stream, the corresponding timestamp information can be solved, and the MV playing progress of the audience terminal is adjusted according to the MV timestamp corresponding to the audio of the anchor terminal during playing, so that the video played by the MV and the audio of the anchor are played synchronously.
The above specific implementations and the derivation processes of the implementations are all within the scope of the present invention.
Corresponding to the method described in fig. 1, an embodiment of the present invention further provides an audio/video playing device for network K song, which is used to implement the method in fig. 1 specifically, the audio/video playing device for network K song provided in the embodiment of the present invention can be applied to a computer terminal or various mobile devices, and a schematic structural diagram of the audio/video playing device is shown in fig. 7, and specifically includes:
a receiving unit 601, configured to, when a resource address of a target song sent by a preset service server is received, determine whether a current client has a singing permission of the target song, where the target song is a current song to be sung;
an obtaining unit 602, configured to obtain, when the current client does not have the singing right of the target song, a video corresponding to the target song in a preset CDN server according to the resource address;
the playing unit 603 is configured to play the audio and the video when receiving a record of an audio and a time stamp generated in a singing process of the target song sent by a preset streaming server, and acquire an audio time stamp of the audio in the playing process according to a preset time interval; the time stamp record comprises the corresponding relation between each audio time stamp of the target song in the playing process and the display time stamp of the video;
a determining unit 604, configured to determine, in the timestamp record, a target display timestamp corresponding to the currently acquired audio timestamp;
an adjusting unit 605, configured to adjust the playing progress of the video according to the target display timestamp, so as to implement synchronous playing of the audio and the video.
According to the audio and video playing device for the network K song, provided by the embodiment of the invention, when a preset resource address of a target song sent by a service server is received, whether a current client side has the singing permission of the target song or not is judged, and the target song is a current song to be sung; if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address; when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp record comprises the corresponding relation between each audio time stamp of the target song in the playing process and the display time stamp of the video; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video. Can receive the audio frequency through pushing away the streaming server, receive the video through CDN server, can effectual reduction push away streaming server's load, promote user's experience.
In an embodiment provided by the present invention, based on the above scheme, specifically, the audio/video playing apparatus for network karaoke further includes:
and the storage unit is used for acquiring the music video corresponding to the target song, separating the initial audio and the video picture in the music video according to a preset separation mode to obtain the video which does not carry the audio and corresponds to the music video, and storing the video into the CDN server.
In an embodiment provided by the present invention, based on the above scheme, specifically, the storage unit further includes:
a first judging subunit, configured to judge a track type of the initial audio;
the first separation unit is used for separating the initial audio by applying a preset FFMPEG tool when the track type of the initial audio is a multi-track type to obtain an accompaniment audio and an original singing audio in the initial audio;
the second separation unit is used for separating the initial audio by applying a preset human voice separation algorithm to obtain an accompaniment audio and an original singing audio when the initial audio is of a single track audio type; and storing the acquired accompaniment audio and the original singing audio in association with the video.
In an embodiment provided by the present invention, based on the above scheme, specifically, the audio/video playing apparatus for network karaoke further includes:
a second obtaining unit, configured to obtain, when the current client has the singing right of the target song, a video and an accompaniment audio corresponding to the target song in the CDN server according to the resource address;
the second playing unit is used for playing the video and the accompaniment audio in the current client so as to enable a user corresponding to the current client to sing the target song according to the video and the accompaniment audio;
the acquisition unit is used for acquiring audio generated by singing the target song in the process of singing the target song by a user corresponding to the current client, distributing an audio time stamp to the audio acquired at each acquisition time, determining a display time stamp of the video corresponding to each acquisition time, and associating the audio time stamp corresponding to each acquisition time with the display time stamp to obtain a time stamp record;
and the sending unit is used for sending the acquired audio and the time stamp record to the stream pushing server.
In an embodiment provided by the present invention, based on the above scheme, specifically, the acquisition unit includes:
the first determining subunit is used for determining the acquisition delay time of the current client;
and the second determining subunit is used for determining the display timestamp of the video corresponding to the acquisition time according to the acquisition delay time.
In an embodiment provided by the present invention, based on the above scheme, specifically, the determining unit 604 includes:
the query subunit is used for traversing the timestamp records according to the currently acquired audio timestamps so as to acquire display timestamps corresponding to the audio timestamps;
and the third determining subunit is used for determining the display time stamp corresponding to the audio time stamp as the target display time stamp.
In an embodiment of the present invention, based on the above scheme, specifically, the adjusting unit 605 includes:
acquiring a current playing time stamp of the video;
judging whether the target display timestamp is larger than the play timestamp;
and if the target display timestamp is greater than the playing timestamp, adjusting the current playing picture to a picture corresponding to the target display timestamp in the video.
The embodiment of the invention also provides a storage medium, which comprises a stored instruction, wherein when the instruction runs, the device where the storage medium is located is controlled to execute the audio and video playing method of the network karaoke.
An electronic device is provided in an embodiment of the present invention, and its schematic structural diagram is shown in fig. 8, which specifically includes a memory 701 and one or more instructions 702, where the one or more instructions 702 are stored in the memory 701, and are configured to be executed by the one or more processors 503 to perform the following operations for the one or more instructions 702:
when a preset resource address of a target song sent by a service server is received, judging whether a current client side has the singing permission of the target song, wherein the target song is a current song to be sung;
if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address;
when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video;
in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp;
and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functions of the units may be implemented in the same software and/or hardware or in a plurality of software and/or hardware when implementing the invention.
From the above description of the embodiments, it is clear to those skilled in the art that the present invention can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The method and the device for playing the audio and video of the network karaoke provided by the invention are described in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (11)
1. A network karaoke system, comprising:
the system comprises a business server, a stream pushing server and a plurality of clients;
the business server is used for sending the resource address of the target song to each client when a singing instruction of the target song is received; the target song is a current song to be sung;
each client is used for judging whether the client has the singing permission of the target song or not when receiving the resource address of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address if the client does not have the singing permission of the target song, playing the audio and the video when receiving the record of the audio and the time stamp generated in the singing process of the target song sent by the streaming server, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp; adjusting the playing progress of the video according to the target display timestamp so as to realize synchronous playing of the audio and the video; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video.
2. An audio and video playing method of network K song is characterized by comprising the following steps:
when a preset resource address of a target song sent by a service server is received, judging whether a current client side has the singing permission of the target song, wherein the target song is a current song to be sung;
if the current client does not have the singing permission of the target song, acquiring a video corresponding to the target song in a preset CDN server according to the resource address;
when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset streaming server, playing the audio and the video, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp records comprise corresponding relations between each audio time stamp of the target song in the playing process and the display time stamp of the video;
in the time stamp record, determining a target display time stamp corresponding to the currently acquired audio time stamp;
and adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
3. The method according to claim 2, wherein the video corresponding to the target song is pre-stored in the CDN server;
the process of storing the video to the CDN server comprises the following steps:
acquiring a music video corresponding to the target song;
separating an initial audio and a video picture in the music video to obtain an initial audio corresponding to the music video and a video not carrying the audio;
and storing the video not carrying the audio into the CDN server.
4. The method of claim 3, after obtaining the initial audio corresponding to the music video, further comprising:
judging the type of the audio track of the initial audio;
if the track type of the initial audio is a multi-track type, separating the initial audio by using a preset FFMPEG tool to obtain an accompaniment audio and an original singing audio in the initial audio;
if the initial audio is of a single-track type, separating the initial audio by applying a preset human voice separation algorithm to obtain an accompaniment audio and an original singing audio in the initial audio;
and storing the acquired accompaniment audio and the original singing audio in an associated manner with the video.
5. The method of claim 2, further comprising:
if the current client has the singing permission of the target song, acquiring a video and an accompaniment audio corresponding to the target song in a preset CDN server according to the resource address;
playing the video and the accompaniment audio in the current client so that a user corresponding to the current client sings the target song according to the video and the accompaniment audio;
collecting audio generated by singing the target song during the process that a user corresponding to the current client sings the target song, distributing an audio time stamp for the audio collected at each collection moment, determining a display time stamp of the video corresponding to each collection moment, and associating the audio time stamp corresponding to each collection moment with the display time stamp to obtain a time stamp record;
and sending the collected audio and the time stamp record to the stream pushing server.
6. The method of claim 5, wherein said determining a display timestamp of said video corresponding to each of said capture moments comprises:
determining the acquisition delay time of the current client;
and determining the display time stamp of the video corresponding to each acquisition moment based on the acquisition delay time length.
7. The method of claim 2, wherein the adjusting the playing progress of the video according to the target display timestamp comprises:
acquiring a current playing time stamp of the video;
judging whether the target display timestamp is larger than the play timestamp;
and if the target display timestamp is greater than the playing timestamp, adjusting the current playing picture to a picture corresponding to the target display timestamp in the video.
8. The method of claim 2, wherein determining a target display timestamp corresponding to the currently acquired audio timestamp in the timestamp record comprises:
traversing the timestamp records according to the currently acquired audio timestamps to acquire display timestamps corresponding to the audio timestamps;
and determining the display time stamp corresponding to the audio time stamp as a target display time stamp.
9. An audio and video playing device for network karaoke is characterized by comprising:
the device comprises a receiving unit, a singing unit and a singing unit, wherein the receiving unit is used for judging whether a current client side has the singing authority of a target song when a resource address of the target song sent by a preset service server is received, and the target song is a current song to be sung;
an obtaining unit, configured to obtain, when the current client does not have the singing right of the target song, a video corresponding to the target song in a preset CDN server according to the resource address;
the playing unit is used for playing the audio and the video when receiving the audio and time stamp record generated in the singing process of the target song sent by a preset push streaming server, and acquiring the audio time stamp of the audio in the playing process according to a preset time interval; the time stamp record comprises the corresponding relation between each audio time stamp of the target song in the playing process and the display time stamp of the video;
the determining unit is used for determining a target display time stamp corresponding to the currently acquired audio time stamp in the time stamp record;
and the adjusting unit is used for adjusting the playing progress of the video according to the target display timestamp so as to realize the synchronous playing of the audio and the video.
10. A storage medium, characterized in that the storage medium comprises a storage instruction, wherein when the instruction runs, a device where the storage medium is located is controlled to execute the audio and video playing method of network karaoke according to any one of claims 2 to 8.
11. An electronic device comprising a memory and one or more instructions, wherein the one or more instructions are stored in the memory and configured to be executed by one or more processors to perform the method for playing network karaoke as claimed in any one of claims 2 to 8.
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