CN115914670B - Live broadcast playback processing method, device and storage medium - Google Patents
Live broadcast playback processing method, device and storage medium Download PDFInfo
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Abstract
The live broadcast playback processing method, the live broadcast playback processing device and the storage medium are characterized in that in the live broadcast process, video recording instructions aiming at live broadcast content are responded, the live broadcast content can be segmented and recorded according to preset recording rules, corresponding video segmented files are pushed to transcoding equipment to be transcoded in real time, the live broadcast playback files of the live broadcast content are obtained, transcoding is not required to be started after the live broadcast is ended, transcoding waiting time of a user after the live broadcast is ended is greatly shortened, live broadcast playback video can be watched rapidly, and user experience is improved.
Description
Technical Field
The present application relates to the field of video processing, and in particular, to a live broadcast playback processing method, apparatus, and storage medium.
Background
With the rapid development of internet technology, network live broadcast has become one of important modes in various aspects of recreation, learning, work and the like, and users can select a live broadcast room to watch live videos of a host broadcast according to actual demands. In order to facilitate users to watch the live broadcast content after live broadcast is finished, live broadcast playback videos can be recorded in the live broadcast process, so that users can watch the live broadcast content by playing the live broadcast playback videos after live broadcast is finished.
For live broadcast playback video, after live broadcast is finished, a recorded video file is pushed to a transcoding server for transcoding, so that live broadcast playback files which are suitable for different network bandwidths, terminal processing capacities and video playing requirements are obtained. However, the time spent in the video transcoding process is in a one-to-one relationship with the duration of the recorded video file, which results in a longer waiting time for the user to watch the live playback video, and reduces the user experience.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the application provides the following technical scheme:
the application provides a live broadcast playback processing method, which comprises the following steps:
obtaining a video recording instruction aiming at live broadcast content;
responding to the video recording instruction, and carrying out slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
and pushing each obtained video slicing file to transcoding equipment in the slicing recording process, and performing transcoding processing on the video slicing files by the transcoding equipment to obtain live broadcast playback files of the live broadcast content.
Optionally, the step of performing slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file includes:
Obtaining a segment recording time length for the live broadcast content;
and in the live broadcast process, carrying out slicing recording on the live broadcast content according to the slicing recording time length to obtain a continuous video slicing file with the slicing recording time length.
Optionally, the method further comprises:
determining to push the last video slicing file to the transcoding device, and sending a live broadcast ending notification to a storage device so that the storage device can push a live broadcast playback file aiming at the live broadcast content;
wherein the last video clip file is obtained at the end of live for the live content, the storage device storing live playback files from the transcoding device.
The application also provides a live broadcast playback processing method, which comprises the following steps:
obtaining any video slicing file aiming at live broadcast content; the video slicing file is pushed after the video slicing file is subjected to slicing recording on the live broadcast content according to a preset recording rule in the live broadcast process;
in the live broadcast process, transcoding the obtained video slicing file to obtain a corresponding live broadcast playback slicing file;
And obtaining the live broadcast playback file of the live broadcast content by utilizing the live broadcast playback fragmented files aiming at the same live broadcast content.
Optionally, the obtaining the live playback file of the live content by using the live playback fragmented files of the same live content includes:
splicing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content according to the recording time sequence to obtain live broadcast playback files of the live broadcast content; or alternatively, the process may be performed,
determining that the live broadcast playback fragmented file is not the first live broadcast playback fragmented file aiming at the live broadcast content, splicing the live broadcast playback fragmented file to the tail end of the last live broadcast playback fragmented file aiming at the live broadcast content until the last live broadcast playback fragmented file aiming at the live broadcast content is successfully spliced; or alternatively, the process may be performed,
and sequencing the plurality of live broadcast playback fragmented files aiming at the same live broadcast content obtained by transcoding according to the recording time sequence to obtain live broadcast playback files of the live broadcast content.
Optionally, the method further comprises:
and pushing the live broadcast playback file to a storage device, so that the storage device can respond to a live broadcast playback instruction aiming at the live broadcast content and push the live broadcast playback file aiming at the live broadcast content to a terminal sending the live broadcast playback instruction.
Optionally, the pushing the live playback file to the storage device includes:
pushing the live broadcast playback fragmented files obtained through each transcoding process to a storage device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, or performing splicing processing on the plurality of live broadcast playback fragmented files aiming at the same live broadcast content, and storing the live broadcast playback files of the live broadcast content;
if the live broadcast playback file stored in the storage device is a plurality of live broadcast playback fragmented files aiming at corresponding live broadcast content, pushing the live broadcast playback file aiming at the live broadcast content to a terminal sending the live broadcast playback instruction includes:
determining at least one live broadcast playback fragmented file corresponding to the playback time contained in the live broadcast playback instruction, and pushing the determined at least one live broadcast playback fragmented file to a terminal sending the live broadcast playback instruction, so that the terminal plays back live broadcast content according to the live broadcast playback fragmented file and the playback time.
The application also provides a live broadcast playback processing device, which comprises:
the video recording instruction obtaining module is used for obtaining video recording instructions aiming at live broadcast contents;
The slicing recording module is used for responding to the video recording instruction and carrying out slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
and the pushing module is used for pushing each obtained video slicing file to transcoding equipment in the slicing recording process, and the transcoding equipment carries out transcoding processing on the video slicing files so as to obtain live broadcast playback files of the live broadcast contents.
The application also provides a live broadcast playback processing device, which comprises:
the video slicing file obtaining module is used for obtaining any video slicing file aiming at the live broadcast content; the video slicing file is pushed after the video slicing file is subjected to slicing recording on the live broadcast content according to a preset recording rule in the live broadcast process;
the transcoding processing module is used for transcoding the obtained video slicing file in the live broadcast process to obtain a corresponding live broadcast playback slicing file;
and the live broadcast playback file obtaining module is used for obtaining live broadcast playback files of the live broadcast content by utilizing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content.
The application also proposes a computer readable storage medium, characterized in that it has stored thereon a computer program, which is executed by a processor, implementing a live playback processing method as described above.
Based on the technical scheme, the live broadcast playback processing method, the live broadcast playback processing device and the storage medium are provided, in the live broadcast process, video recording instructions aiming at live broadcast contents are responded, the live broadcast contents can be segmented and recorded according to preset recording rules, corresponding video segmented files are pushed to transcoding equipment to be subjected to real-time transcoding processing, the live broadcast playback files of the live broadcast contents are obtained, transcoding is not required to be started after the live broadcast is ended, the time for waiting for transcoding of a user after the live broadcast is ended is greatly shortened, live broadcast playback videos can be watched rapidly, and user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of an alternative example of a live playback processing system proposed in the present application;
fig. 2 is a flowchart of an alternative example one of the live playback processing method proposed in the present application;
Fig. 3 is a schematic flow chart of an alternative example two of the live playback processing method proposed in the present application;
fig. 4 is a flowchart of an alternative example three of the live playback processing method proposed in the present application;
fig. 5 is a flowchart of an alternative example four of the live playback processing method proposed in the present application;
fig. 6 is a schematic structural diagram of an alternative example of a live playback processing apparatus proposed in the present application;
fig. 7 is a schematic structural diagram of still another alternative example of the live playback processing apparatus proposed in the present application.
Detailed Description
For the description of the background section, since during live broadcast, the live push end transmits video data to the streaming center node through RTMP (Real Time Messaging Protocol, real-time messaging protocol), the video data may be in FLV (FLASH VIDEO) streaming format. After the video recording function is started aiming at the live broadcast content, the recording script adopts a copying stream mode to store recorded streaming media data as video files, and after the live broadcast is finished, the recorded video files are FLV format files.
Wherein the video-on-demand format is typically MP4 format. In this way, after live broadcasting is finished, the recorded video file is usually required to be recoded, the video file in the FLV format is transcoded into the video file in the MP4 format, and then the new video file is generated by encoding in the MP4 format, so that the ratio of the video transcoding time length to the live broadcasting video time length is one-to-one relation, the recorded video file time length determines the time length spent for generating the live broadcasting playback file, after the live broadcasting is finished, the live broadcasting playback file can be generated usually only after a long time is needed, and a user cannot play back the target content in the live broadcasting watching process in time.
In order to improve the above problem, it is proposed that after live broadcasting, the recorded video file is encapsulated with a file header again, and then the file is divided into a plurality of fragmented files and then pushed to a storage device (such as a cloud storage server, which may be distributed to each terminal through a CDN (Content Delivery Network, content delivery network) server, etc.), so as to be developed for users to watch. Because the time taken to repackage the header of the file is relatively short, such as 3 minutes to 4 minutes, the user can play back live content as soon as possible. However, once the header encapsulation of the recorded video file fails, transcoding processing is required according to the method described above to ensure consistency of the format of the later video file, and it can be seen that the live playback processing method based on the header encapsulation is poor in reliability.
In order to further solve the problems, the live broadcast playback processing efficiency and reliability are improved, and the method and the device can transcode recorded video files in the live broadcast content recording process, so that live broadcast playback files can be generated after live broadcast is finished, and a user can play back and watch live broadcast content in time. Specifically, in the live broadcast process, the live broadcast content can be subjected to slicing recording according to a preset recording rule to obtain continuous video slicing files, and in the slicing recording process, the obtained video slicing files are pushed to transcoding equipment (such as a transcoding server) to be transcoded, so that when the live broadcast is finished, only the last video slicing file is pushed to the transcoding equipment to be transcoded, and compared with the whole video file, the time for waiting for transcoding by a user is greatly reduced.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is to be understood that the embodiments described are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, a schematic system architecture of an alternative application environment suitable for the live playback processing method proposed in the present application may include a plurality of terminals 110, a live server 120, a transcoding device 130, and a storage device 140, where:
the terminal 110 may configure a client supporting any form of live webcast, such as a live broadcast function of professional live broadcast software or some social software, so that a user can use the client to perform live webcast or log in a live broadcast platform, enter other live broadcast rooms to watch live broadcast content, or select to play back and watch live broadcast content of a live broadcast room with finished live broadcast, so as to meet application requirements of live broadcast or watching live broadcast content of users with different identities under different scenes.
It can be seen that terminal 110 may include, but is not limited to, a smart phone, a tablet, a wearable device, a netbook, an augmented Reality (Augmented Reality, AR) device, a Virtual Reality (VR) device, an in-vehicle device, a desktop computer, and the like. The electronic device shown in fig. 1 is only an example and should not impose any limitation on the functionality and scope of use of the embodiments of the present application. Under different application scenes, users with different identities can select the same or different terminals to realize live playback, and the application is not limited to the live playback.
The live broadcast server 120 may support a service device of a live broadcast service, and may obtain live broadcast stream information including live broadcast content generated by a terminal during a live broadcast process, and push the live broadcast stream information to a terminal of each audience currently watching live broadcast of the live broadcast, so that each audience entering a live broadcast room of the live broadcast may synchronously watch live broadcast content of the live broadcast.
In this embodiment of the present application, in order to enable playback of live content after live broadcasting is finished, a live broadcast server may configure a live broadcast recording function, copy live stream information sent by a live broadcast terminal used by a host, record a video file containing synchronous live broadcast content, typically a flv format video file, and then push the video file to a transcoding device to perform transcoding processing.
Optionally, in practical application, since the live broadcast content of the anchor is live broadcast stream information acquired by a terminal (such as at least one live broadcast device with an audio/video acquisition function) used by the anchor, the live broadcast stream information can be pushed to a live broadcast server, and meanwhile, the live broadcast stream information can be subjected to slice copying by the terminal, so that after a video slice file containing part of the live broadcast content is obtained, the live broadcast content is directly pushed to a transcoding device through the live broadcast server to perform transcoding processing, and the like, the application does not limit a main body for executing slice recording of the live broadcast content, and can be determined according to circumstances.
The transcoding device 130 may be a transcoding server, which supports a video transcoding technology, i.e. converting a video bitstream that has been compression-encoded into another video bitstream, such as converting an FLV streaming media format into an MP4 format, so as to adapt to different network bandwidths, different terminal processing capacities and different user requirements, and the product type of the transcoding device 130 and the transcoding operation procedure thereof will not be described in detail in this application.
It should be understood that in practical application, on any direct broadcast platform, there will be a plurality of live broadcast on a plurality of direct broadcast platforms, if a plurality of live broadcast contents need to be recorded respectively, the live broadcast playback processing method provided in the application is executed, video slicing files of live broadcast contents aiming at different live broadcast will be pushed to the transcoding device in real time, and at this time, the video slicing files are required to carry corresponding live broadcast identifications, so that all video slicing files of the same live broadcast content can be identified according to the live broadcast identifications later, and the implementation process is not described in detail in the application.
The storage device 140 may be a cloud storage server, configured to store the live playback file after the transcoding is successful, and may be a plurality of live playback fragmented files for the same live content, or a complete live playback file obtained by splicing the plurality of live playback fragmented files end to end according to a recording time sequence, so that after the live broadcast is finished, the transcoded live playback file is opened to a user. If the user can use the terminal to send a live broadcast playback request carrying a live broadcast content identifier to the storage device 140, pull a live broadcast playback file corresponding to the live broadcast content identifier in the storage device 140, and play back the corresponding live broadcast content.
In practical applications, the storage device 140 may be an independent device node, or may be a cluster formed by a plurality of device nodes, such as a content distribution network with various structures, so as to meet content distribution requirements in various scenarios, and the composition structure and content distribution principle of the storage device 140 are not described in detail in this application.
Optionally, for the transcoding device and the storage device may be integrated in a live broadcast server that provides a live broadcast service, so that the live broadcast server may not only provide a live broadcast service, but also provide a live broadcast playback service, and have processing functions of transcoding, distributing, and the like, for a recorded video file, an implementation process may refer to descriptions of corresponding parts of a context.
It should be understood that the system architecture shown in fig. 1 does not limit the system architecture of the application environment in the embodiment of the present application, and in practical application, the system may include more devices than those shown in fig. 1, which is not explicitly recited herein.
Referring to fig. 2, a flowchart of an alternative example one of a live broadcast playback processing method provided by the present application may be applied to a computer device, where the computer device may be a live broadcast streaming server or a terminal used by a host to perform live broadcast, and in a scenario where the host uses the terminal to perform live broadcast, in order to quickly obtain a live broadcast playback file after the live broadcast is finished, recording generated live broadcast content and transcoding the live broadcast content into a video file in a playable format, where the present application provides a live broadcast playback processing method as shown in fig. 2, where the method may include:
step S21, obtaining a video recording instruction aiming at live broadcast content;
step S22, responding to the video recording instruction, and carrying out slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
in step S23, in the process of recording the segments, pushing each obtained video segment file to a transcoding device, and performing transcoding processing on the video segment file by the transcoding device to obtain a live broadcast playback file of the live broadcast content.
In the process that the user uses the terminal to conduct live broadcast, if the live broadcast content needs to be recorded, the user or other users can watch the live broadcast content after the live broadcast is finished, a live broadcast recording function on a live broadcast interface can be triggered, or a video recording function of the terminal is triggered, a video recording instruction aiming at the current live broadcast content is generated, the video recording function aiming at the current live broadcast content is triggered, for example, the generated live broadcast stream information (such as the generation of the terminal for capturing the audio and video of a host broadcast) is directly copied, and a recorded video file is obtained.
In order to fully utilize the resources of computer equipment and reduce the waiting time of a user watching live broadcast playback video, the application proposes that a slice recording mode is adopted in the video recording process of responding to the current live broadcast content, so that the video slice file recorded before can be transcoded while the subsequent live broadcast content is recorded, namely, the recorded video file is transcoded while the live broadcast content is recorded, the MP4 format video file is obtained, the recorded complete video file is transcoded after the live broadcast content is not required to be recorded, and thus, after the live broadcast is finished, the user who wants to play back the live broadcast content is not required to wait for the live broadcast duration to obtain the live broadcast playback file.
Based on the method, when the live broadcast content is recorded, the live broadcast content can be segmented and recorded according to preset recording rules or default preset recording rules and the like which are preset for the live broadcast content, so that a video file of the whole live broadcast content is segmented into a plurality of video segments, each time a video segment file is obtained by recording, the video segment file can be timely pushed to a transcoding device to be transcoded, the live broadcast playback segment file of the part of live broadcast content is obtained until the live broadcast is finished, and the last video segment file is pushed to the transcoding device, so that the transcoding device only needs to take a certain time to transcode the video segment file after the live broadcast is finished, and compared with the transcoding process of the whole video file obtained by recording, the time spent by the transcoding device for conversion after the live broadcast is finished is greatly reduced.
Based on the above, if a user needs to play back live content immediately after live broadcasting is finished, according to the live broadcasting playback processing method provided by the application, a complete live broadcasting playback file can be obtained only by waiting for a short time. Of course, if the user selects the playback start time to be earlier, that is, the live playback clip file that has been successfully transcoded is located, the live playback clip file corresponding to the start time may also be directly pulled for playing, and playback of live content may be started without waiting for all recorded video clips to be successfully transcoded.
In addition, in the live broadcast process, the recorded video slicing files are transcoded to obtain video files which can be directly played back, namely live broadcast playback slicing files, so that before live broadcast is finished, historical live broadcast contents, namely live broadcast contents before playback, can be selected to be watched, in this case, at least a certain playback start time can be selected to be watched according to the method, the corresponding live broadcast playback slicing files are pulled to be played according to the method, and the watching requirements of users on live broadcast contents of different nodes are met.
Referring to fig. 3, a flowchart of a second alternative example of the live playback processing method provided in the present application may be an alternative refinement implementation method of the live playback processing method provided above, for example, describing an implementation procedure for implementing slice recording of the current live content based on an alternative content of the preset recording rule, as shown in fig. 3, where the method may include:
step S31, obtaining a video recording instruction aiming at live broadcast content;
step S32, responding to the video recording instruction, and obtaining the segment recording time length for the live broadcast content;
Step S33, in the live broadcast process, the live broadcast content is subjected to slicing recording according to the slicing recording time length, so as to obtain a continuous video slicing file with the slicing recording time length;
in the embodiment of the application, it is proposed that the whole video file of the live broadcast content can be segmented according to a certain duration to generate a continuous video slicing file. For the duration, since the live broadcast content and the live broadcast duration thereof are known by the host, the host can flexibly configure the live broadcast content to be live broadcast, and the corresponding segment recording duration is obtained. Optionally, in combination with the above description about the preset recording rule, the segment recording duration may also be a default duration, and the configuration mode and the numerical value of the segment recording duration are not limited in the present application.
Based on the above analysis, the embodiment may start timing in response to a video recording instruction, that is, start timing when video recording is performed on live broadcast content (for example, copying live stream information generated by a live broadcast terminal), where the timing time reaches a segment recording duration, a video file recorded in the time period is used as a video segment file, and then, according to this manner, a video segment file recorded in the next segment recording duration may be obtained, where the video segment files may be sequentially recorded as files such as 001.flv, 002.flv, 003.flv, etc., so as to advance, and a plurality of video segment files with continuous recording time may be obtained, so as to form a complete recording file of the live broadcast content.
In still other embodiments, after obtaining the segment recording duration, the whole live broadcast content may be divided into a plurality of time segments according to the live broadcast duration recorded in advance for the live broadcast content, and the time of the division point is recorded, so that in the process of synchronously recording the live broadcast content, whether the current live broadcast time reaches the time of any division point is detected, and thus, a video segment file is formed by the live broadcast streams recorded between two adjacent division point times.
Step S34, pushing each obtained video clip file to a transcoding device for real-time transcoding processing in the clip recording process so as to obtain a corresponding live broadcast playback clip file;
according to the technical scheme, each recorded video fragment file can be directly pushed to the transcoding equipment to be subjected to real-time transcoding processing, so that the corresponding live broadcast playback fragment file is obtained, live broadcast content is recorded in real time while live broadcasting is conducted, meanwhile, the video fragment file obtained by the fragment recording is pushed to the transcoding equipment in real time to be subjected to real-time transcoding processing, namely, in the live broadcast process, live broadcast content which is already live broadcast can be recorded and transcoded into a live broadcast playback file in a video stream format capable of being played back, and after live broadcast is finished, the live broadcast duration is not required to be waited, and the complete live broadcast playback file can be rapidly obtained.
The live broadcast is started by the anchor user terminal, the live broadcast stream is successfully pushed to the generated live broadcast stream, the live broadcast stream recording script can be started at the same time, the recorded video file (such as the copied live broadcast stream information) is cut according to the 5-minute duration, after the video slicing file with the 5-minute duration is generated, the next recorded video slicing file does not need to be waited, the first 5-minute video slicing file can be directly pushed to the transcoding device for transcoding processing while the next 5-minute video slicing file is recorded, and after the transcoding is successful, the live broadcast stream can be stored in a storage device such as a cloud storage server, and can also be pushed to a content distribution network CDN for users to watch live broadcast and playback videos.
Step S35, pushing the last obtained video clip file to the transcoding device is determined, and a live broadcast ending notification is sent to the storage device, so that the storage device can push a live broadcast playback file for the live broadcast content.
In order to ensure the integrity of live broadcast playback video, after receiving a plurality of video slicing files aiming at the same live broadcast content, if receiving a video slicing file of a second live broadcast content, the transcoding device can splice the video content of the plurality of video slicing files end to end according to the sequence of recording time, transcoding pushing time and the like, namely, the beginning recording position of the video slicing file of the live broadcast content received later, the end position of the video slicing file of the live broadcast content received earlier (the application refers to adjacent receiving) is spliced, so pushing processing is performed, after the terminal pushes the generated last video slicing file to the transcoding device for transcoding after the live broadcast is finished, the transcoding device can splice the last video slicing file to the end position of the live broadcast playback file spliced before, and the video playback file of the complete live broadcast playback video can be obtained.
Optionally, after the transcoding device transcodes each video clip file successfully according to the above-described transcoding processing method, the video clip file may be sent to a storage device (such as a cloud storage server) for storage, for example, in a list manner, and a plurality of live broadcast playback files for each live broadcast content are recorded according to the recording time sequence, so that the corresponding live broadcast playback video can be pulled and played subsequently. Or, the transcoding device can also send the live broadcast playback file of each live broadcast content after the splicing processing to the storage device for storage, and the storage implementation mode of the live broadcast playback fragmented file/live broadcast playback file is not limited in the application.
In addition, after determining that the live broadcast of a live broadcast room for video recording is finished, sending the corresponding last video slicing file to the transcoding device, sending a corresponding live broadcast finishing notification to the storage device, so that after the storage device receives the live broadcast finishing notification, live broadcast playback files, such as a plurality of live broadcast playback slicing files, of live broadcast contents of the live broadcast room can be pushed, or after determining that complete videos of the live broadcast contents are received (such as determining whether the complete videos are determined by comparing live broadcast time length with recording time length, etc.), pushing the live broadcast playback files, and specifically, pushing the live broadcast playback files through a content distribution network is realized, so that the implementation process is not described in detail in the application.
Based on the analysis, for a live broadcast room starting a video recording function in a live broadcast process, live broadcast recording prompt information/playbackable watching prompt information, such as a preset prompt icon or a text description, can be output at a live broadcast interface, after the live broadcast is finished, a live broadcast playback file of live broadcast content is obtained quickly according to the method described above, and then the output state of the corresponding prompt information is adjusted to indicate that the finished live broadcast content of the current live broadcast room can be watched in a playback manner, and a user can trigger to watch live broadcast playback video, but the implementation mode of watching live broadcast content in a playback manner is not limited to the prompt.
Optionally, in order to increase the number of watching times of the live broadcast content, the host may record the live broadcast content according to, but not limited to, the method described above, and simultaneously, rapidly convert the recorded video file into a live broadcast playback file capable of being played, after the live broadcast is finished, the content distribution network may push the live broadcast playback file of each live broadcast content to the live broadcast account number of the corresponding host in time, output the prompt information of the live broadcast content capable of being played at the corresponding live broadcast address of the live broadcast account number, and the user may directly click to watch the recorded live broadcast content without waiting for transcoding; of course, the audience can also set the live broadcast to watch the live broadcast playback video after the live broadcast is finished, so that after the live broadcast of the corresponding host broadcast is finished, the corresponding live broadcast playback file can be quickly obtained for playing according to the method, and the user experience is improved.
Referring to fig. 4, a flowchart of an optional third example of a live playback processing method provided in the present application, where the method may be applicable to a transcoding device, such as the foregoing transcoding server, and as shown in fig. 4, the live playback processing method performed by the transcoding device may include:
step S41, any video slicing file aiming at live broadcast content is obtained; the video slicing file is pushed after slicing recording is carried out on live broadcast contents according to a preset recording rule in the live broadcast process;
in combination with the live broadcast playback processing method described from the side of the computer device, after the recording function of the live broadcast content is started in the live broadcast process of any host, the live broadcast stream information in the live broadcast room is copied in a slice recording mode, and each time a video slice file is obtained by copying, the live broadcast stream information can be pushed to the transcoding device in real time for transcoding processing, and the live broadcast information is not required to be pushed after being completely copied (for example, the live broadcast information generated by the live broadcast of the host is not sent any more by the live broadcast terminal), so that the description of the corresponding part of the embodiment can be referred to in the acquisition process of the video slice file.
Step S42, in the live broadcast process, transcoding the obtained video slicing file to obtain a corresponding live broadcast playback slicing file;
Step S43, obtaining a live broadcast playback file of the live broadcast content by utilizing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content.
After receiving each video slicing file pushed by a computer device executing a live content recording function, such as a live broadcast terminal or a live broadcast server, the transcoding device can directly transcode the video slicing file without waiting to obtain an MP4 video file, record the MP4 video file as a corresponding live broadcast playback slicing file, and then send the MP4 video file to a storage device for storage.
Optionally, the transcoding device may also send the live broadcast playback fragmented files to the storage device for storage after obtaining all live broadcast playback fragmented files for the same live broadcast content, or send the live broadcast playback fragmented files to the storage device for storage after performing splicing processing, etc., which is not limited in this application.
It should be understood that, because the transcoding device may obtain video clip files of live broadcast content of different live broadcast rooms at the same time, in order to distinguish each live broadcast playback clip file obtained by transcoding, a live broadcast identifier corresponding to the live broadcast content/live broadcast room may be configured, so that the live broadcast identifier and the live broadcast playback clip file are carried and sent to the storage device to be stored, so that when the storage device pushes the live broadcast playback file, the live broadcast playback file corresponding to the live broadcast content required to be played back by the terminal may be selected according to the live broadcast identifier, and the implementation process is not described in detail in the application.
As can be seen from the above analysis, the live playback file of any live content obtained by the transcoding device may include a plurality of live playback clips of the live content, or may include a video file formed by splicing the plurality of live playback clips, which is not limited in this application.
In summary, since the live broadcast content recording side adopts the slicing recording mode, in the live broadcast process, each recorded video slicing file is pushed to the transcoding device in real time, the transcoding device also can transcode the received video slicing file in real time to obtain the corresponding live broadcast playback slicing file, and thus, after the live broadcast is finished, the transcoding device only needs to spend a short time to transcode the last video slicing file, and the complete live broadcast playback file of the live broadcast content can be obtained, so that the waiting transcoding time of a user after the live broadcast is finished is greatly shortened, and the user experience is improved.
Referring to fig. 5, for a flowchart of a fourth alternative example of the live playback processing method provided in the present application, this embodiment may describe an alternative refinement implementation manner of the live playback processing method from the transcoding device side, as shown in fig. 5, where the method may include:
Step S51, any video slicing file aiming at live broadcast content is obtained; the video slicing file is pushed after slicing recording is carried out on live broadcast contents according to a preset recording rule in the live broadcast process;
step S52, in the live broadcast process, transcoding the obtained video slicing file to obtain a corresponding live broadcast playback slicing file;
regarding the implementation procedure of step S51 and step S52, reference may be made to the description of the corresponding parts of the above embodiments, which are not repeated in this embodiment.
Step S53, pushing the live broadcast playback fragmented files to a storage device, and sequencing and storing a plurality of live broadcast playback fragmented files of the same live broadcast content by the storage device according to the recording time sequence.
In this embodiment of the present application, after any video clip file will be received by the transcoding device, the live broadcast playback clip file in a preset video format (such as an MP4 video stream format) may be transcoded in time, and after the transcoding is successful, the live broadcast playback clip file may be sent to the storage device for storage, so as to avoid loss. As described in the corresponding part above, the storage device may use a table manner to associate and store each received live broadcast playback segment file with the live broadcast identifier of the live broadcast content, so that multiple live broadcast playback segment files of the same live broadcast identifier may be stored in sequence according to the recording time sequence/transcoding time sequence.
In some embodiments, the transcoding device may also perform splicing processing on a plurality of live broadcast playback fragmented files aiming at the same live broadcast content according to the recording time sequence after transcoding all video fragmented files of the same live broadcast content successfully, and send the live broadcast playback file to the storage device for storage after obtaining the live broadcast playback file of the live broadcast content.
In still other embodiments, the transcoding device may splice the obtained live playback clip file with the live playback clip file of the same live content that was transcoded successfully before after each time that the transcoding succeeds, that is, after transcoding succeeds in the first video clip file of a live content, it is determined that the live playback clip file obtained by this time is not the first live playback clip file for the live content, and may splice the live playback clip file to the end of the last live playback clip file for the live content until the last live playback clip file for the live content is successfully spliced.
Optionally, after each transcoding success, the transcoding device may push the live playback fragmented file obtained by each transcoding process to the storage device, where the storage device stores multiple live playback fragmented files for the same live content, or performs splicing processing on multiple live playback fragmented files for the same live content, and stores the live playback file for the live content.
In still other embodiments, as described above, the transcoding device may not splice multiple live playback fragmented files of the same live content, directly sequence the multiple live playback fragmented files of the same live content obtained by transcoding according to the recording time sequence, obtain the live playback files of the live content, and send the live playback files containing the multiple live playback fragmented files to the storage device for storage.
Of course, the transcoding device may also send the video file of a certain live content after the splicing process and all live playback fragmented files of the live content that are not spliced to the storage device for storage, so as to meet different subsequent viewing requirements/processing requirements.
In summary, after the storage device obtains the live playback file of any live content, when the user needs to watch the live playback video, the storage device may send a live playback file pulling request/live playback instruction containing a corresponding live identification, obtain the live playback instruction, or generate, based on the live playback file pulling request, a live playback instruction for the live content with the live identification, where the live playback file associated with the live identification may be selected, pushed to a terminal sending the live playback instruction, and the terminal outputs the live playback file to play the live playback video.
Under the condition that the live broadcast playback file stored in the storage device is a plurality of live broadcast playback fragmented files aiming at corresponding live broadcast content, the storage device can determine at least one live broadcast playback fragmented file corresponding to the playback time contained in the live broadcast playback instruction, and then push the determined at least one live broadcast playback fragmented file to a terminal sending the live broadcast playback instruction, so that the terminal plays back the live broadcast content according to the live broadcast playback fragmented file and the playback time, and therefore, under the condition that a user only needs to watch live broadcast playback video in a certain time period, the storage device does not need to distribute the complete live broadcast playback file of the live broadcast content to the terminal, waste of transmission resources is reduced, and live broadcast playback efficiency and accuracy are improved.
Referring to fig. 6, a schematic structural diagram of an alternative example of a live playback processing apparatus provided in the present application, where the apparatus may deploy a computer device supporting a live content recording function, such as a live server or a terminal, and as shown in fig. 6, the apparatus may include:
a video recording instruction obtaining module 61, configured to obtain a video recording instruction for live content;
the slicing recording module 62 is configured to respond to the video recording instruction, and perform slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
And the pushing module 63 is configured to push each obtained video clip file to a transcoding device in the clip recording process, where the transcoding device transcodes the video clip file to obtain a live broadcast playback file of the live broadcast content.
Alternatively, the slice recording module 62 may include:
a segment recording time length obtaining unit, configured to obtain a segment recording time length for the live content;
and the slicing recording unit is used for carrying out slicing recording on the live broadcast content according to the slicing recording time length in the live broadcast process to obtain continuous video slicing files with the slicing recording time length.
In some embodiments, the apparatus may further include:
the live broadcast ending notification sending module is used for determining to push the last obtained video slicing file to the transcoding device and sending a live broadcast ending notification to the storage device so that the storage device can push a live broadcast playback file aiming at the live broadcast content;
wherein the last video clip file is obtained at the end of live for the live content, the storage device storing live playback files from the transcoding device.
Referring to fig. 7, a schematic structural diagram of still another alternative example of a live playback processing apparatus proposed in the present application may be deployed in a transcoding device, such as a transcoding server, as shown in fig. 7, where the apparatus may include:
a video clip file obtaining module 71, configured to obtain any video clip file for live content; the video slicing file is pushed after the video slicing file is subjected to slicing recording on the live broadcast content according to a preset recording rule in the live broadcast process;
the transcoding processing module 72 is configured to transcode the obtained video clip file during the live broadcast process to obtain a corresponding live broadcast playback clip file;
a live playback file obtaining module 73, configured to obtain live playback files of the live content by using a plurality of live playback fragmented files for the same live content
Optionally, the live playback file obtaining module 73 may include:
the first splicing processing unit is used for splicing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content according to the recording time sequence to obtain live broadcast playback files of the live broadcast content; or alternatively, the process may be performed,
the second splicing processing unit is used for determining that the live broadcast playback fragmented file is not the first live broadcast playback fragmented file aiming at the live broadcast content, splicing the live broadcast playback fragmented file to the tail end of the last live broadcast playback fragmented file aiming at the live broadcast content until the last live broadcast playback fragmented file aiming at the live broadcast content is successfully spliced; or alternatively, the process may be performed,
And the sequencing unit is used for sequencing the plurality of live broadcast playback fragmented files aiming at the same live broadcast content obtained by transcoding according to the recording time sequence to obtain live broadcast playback files of the live broadcast content.
Based on the analysis, the apparatus may further include:
and the live broadcast playback file pushing module is used for pushing the live broadcast playback file to a storage device, so that the storage device can respond to a live broadcast playback instruction aiming at the live broadcast content and push the live broadcast playback file aiming at the live broadcast content to a terminal sending the live broadcast playback instruction.
Optionally, the live playback file pushing module may include:
the live broadcast playback fragmented file pushing unit is used for pushing the live broadcast playback fragmented files obtained through each transcoding process to a storage device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, or performing splicing processing on the plurality of live broadcast playback fragmented files aiming at the same live broadcast content, and storing the live broadcast playback files of the live broadcast content;
if the live playback file stored by the storage device is a plurality of live playback fragmented files aiming at corresponding live content, the storage device may include:
A determining unit, configured to determine at least one live playback clip file corresponding to a playback time included in the live playback instruction;
and the pushing unit is used for pushing the determined at least one live broadcast playback fragmented file to a terminal sending the live broadcast playback instruction so that the terminal plays back live broadcast contents according to the live broadcast playback fragmented file and the playback time.
It should be noted that, regarding the various modules, units, and the like in the foregoing embodiments of the apparatus, the various modules and units may be stored as program modules in a memory of a corresponding side device (such as a computer device or a transcoding device), and the processor in the device may execute the program modules stored in the memory to implement corresponding functions, or may be implemented by combining the program modules and hardware, and regarding the functions implemented by each program module and the combination thereof, and the achieved technical effects, the description of corresponding parts of the foregoing method embodiments may be referred to, which is not repeated herein.
The embodiment of the present application further provides a computer readable storage medium, on which a computer program is stored, where the computer program is loaded and executed by a processor, to implement each step of the live broadcast playback processing method on the corresponding device side, and the specific implementation process may refer to the description of the corresponding portion of the foregoing embodiment, which is not repeated in this embodiment.
The present application also proposes a computer device, such as the above-mentioned live broadcast server or transcoding device, which may include a memory and a processor, where the memory may be used to store a program for implementing a live broadcast playback processing method on a corresponding side, and the processor may execute the program to implement a live broadcast playback processing method on a corresponding side.
Finally, it should be noted that, in the embodiments described above, unless the context clearly indicates otherwise, the words "a," "an," "the," and/or "the" are not to be construed as limiting, but rather as including the singular, as well. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.
Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present application, "plurality" means two or more than two.
In addition, various embodiments in the present specification are described in a progressive or parallel manner, and each embodiment is mainly described in a different manner from other embodiments, and identical and similar parts between the various embodiments are only required to be mutually referred. The apparatus and the device disclosed in the embodiments correspond to the method disclosed in the embodiments, so that the description is simpler, and the relevant parts refer to the description of the method.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the particular solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A live playback processing method, the method comprising:
obtaining a video recording instruction aiming at live broadcast content;
responding to the video recording instruction, and carrying out slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
pushing each obtained video clip file to a transcoding device in the process of recording the clips, after the transcoding device transcodes the first video clip file of the content successfully and always, determining that the live broadcast playback clip file obtained by the transcoding is not the first live broadcast playback clip file aiming at the live broadcast content after each time of transcoding successfully one video clip file to obtain the live broadcast playback clip file, and splicing the live broadcast playback clip file to the tail of the last live broadcast playback clip file aiming at the live broadcast content until the last live broadcast playback clip file aiming at the live broadcast content is spliced successfully; obtaining a live playback file of the live content; and pushing the live broadcast playback fragmented file obtained by each transcoding process to a storage device by the transcoding device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, determining at least one live broadcast playback fragmented file corresponding to the playback time contained in the live broadcast playback instruction, and pushing the determined at least one live broadcast playback fragmented file to a terminal for sending the live broadcast playback instruction, so that the terminal plays back the live broadcast content according to the live broadcast playback fragmented file and the playback time.
2. The method of claim 1, wherein the slicing recording the live content according to the preset recording rule to obtain the corresponding video slicing file comprises:
obtaining a segment recording time length for the live broadcast content;
and in the live broadcast process, carrying out slicing recording on the live broadcast content according to the slicing recording time length to obtain a continuous video slicing file with the slicing recording time length.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
determining to push the last video slicing file to the transcoding device, and sending a live broadcast ending notification to a storage device so that the storage device can push a live broadcast playback file aiming at the live broadcast content;
wherein the last video clip file is obtained at the end of live for the live content, the storage device storing live playback files from the transcoding device.
4. A live playback processing method, the method comprising:
obtaining any video slicing file aiming at live broadcast content; the video slicing file is pushed after the video slicing file is subjected to slicing recording on the live broadcast content according to a preset recording rule in the live broadcast process;
In the live broadcast process, transcoding is carried out on the obtained video clip files, after transcoding is successful and the first video clip file of the live broadcast content is always played, after each time transcoding is successful and one video clip file is obtained to obtain a live broadcast playback clip file, determining that the live broadcast playback clip file obtained by the transcoding is not the first live broadcast playback clip file aiming at the live broadcast content, splicing the live broadcast playback clip file to the tail of the last live broadcast playback clip file aiming at the live broadcast content until the last live broadcast playback clip file aiming at the live broadcast content is successfully spliced; obtaining live broadcast playback files of the live broadcast content by utilizing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content;
pushing the live broadcast playback fragmented file obtained through transcoding each time to a storage device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, determining at least one live broadcast playback fragmented file corresponding to the playback time contained in a live broadcast playback instruction, and pushing the determined at least one live broadcast playback fragmented file to a terminal sending the live broadcast playback instruction, so that the terminal plays back the live broadcast content according to the live broadcast playback fragmented file and the playback time.
5. The method according to claim 4, wherein the method further comprises:
pushing the live broadcast playback fragmented files obtained through transcoding each time to a storage device, performing splicing processing on a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, and storing the live broadcast playback files of the live broadcast content.
6. A live playback processing apparatus, the apparatus comprising:
the video recording instruction obtaining module is used for obtaining video recording instructions aiming at live broadcast contents;
the slicing recording module is used for responding to the video recording instruction and carrying out slicing recording on the live broadcast content according to a preset recording rule to obtain a corresponding video slicing file;
the pushing module is used for pushing each obtained video clip file to the transcoding equipment in the process of recording the clips, after the transcoding equipment successfully and always broadcasts the first video clip file of the content, after each time of transcoding succeeds in obtaining a live broadcast playback clip file from one video clip file, determining that the live broadcast playback clip file obtained by the transcoding is not the first live broadcast playback clip file aiming at the live broadcast content, splicing the live broadcast playback clip file to the tail of the last live broadcast playback clip file aiming at the live broadcast content until the last live broadcast playback clip file aiming at the live broadcast content is successfully spliced; obtaining a live playback file of the live content; and pushing the live broadcast playback fragmented file obtained by each transcoding process to a storage device by the transcoding device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, determining at least one live broadcast playback fragmented file corresponding to the playback time contained in the live broadcast playback instruction, and pushing the determined at least one live broadcast playback fragmented file to a terminal for sending the live broadcast playback instruction, so that the terminal plays back the live broadcast content according to the live broadcast playback fragmented file and the playback time.
7. A live playback processing apparatus, the apparatus comprising:
the video slicing file obtaining module is used for obtaining any video slicing file aiming at the live broadcast content; the video slicing file is pushed after the video slicing file is subjected to slicing recording on the live broadcast content according to a preset recording rule in the live broadcast process;
the transcoding processing module is used for carrying out transcoding processing on the obtained video slicing files in the live broadcast process, after transcoding is successful and the first video slicing file of the live broadcast content is always played, after each time transcoding is successful, one video slicing file is obtained to obtain a live broadcast playback slicing file, determining that the live broadcast playback slicing file obtained by the transcoding is not the first live broadcast playback slicing file aiming at the live broadcast content, splicing the live broadcast playback slicing file to the tail end of the last live broadcast playback slicing file aiming at the live broadcast content until the last live broadcast playback slicing file aiming at the live broadcast content is successfully spliced;
a live broadcast playback file obtaining module, configured to obtain live broadcast playback files of the live broadcast content by using a plurality of live broadcast playback fragmented files for the same live broadcast content;
The device is also for: pushing the live broadcast playback fragmented file obtained through transcoding each time to a storage device, storing a plurality of live broadcast playback fragmented files aiming at the same live broadcast content by the storage device, determining at least one live broadcast playback fragmented file corresponding to the playback time contained in a live broadcast playback instruction, and pushing the determined at least one live broadcast playback fragmented file to a terminal sending the live broadcast playback instruction, so that the terminal plays back the live broadcast content according to the live broadcast playback fragmented file and the playback time.
8. A computer-readable storage medium, having stored thereon a computer program, the computer program being executable by a processor to implement the live playback processing method of any one of claims 1-5.
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| CN101951512B (en) * | 2010-08-24 | 2012-11-28 | 中国科学院深圳先进技术研究院 | Fragmentation transcoding method and system of live video and real-time video |
| CN104469401A (en) * | 2014-12-25 | 2015-03-25 | 武汉市烽视威科技有限公司 | HLS based on-demand playing system and method |
| CN105721811A (en) * | 2015-05-15 | 2016-06-29 | 乐视云计算有限公司 | Live video recording method and system |
| CN107948669A (en) * | 2017-12-22 | 2018-04-20 | 成都华栖云科技有限公司 | Based on CDN fast video production methods |
| CN108966008B (en) * | 2018-08-02 | 2020-08-11 | 腾讯科技（深圳）有限公司 | Live video playback method and device |
| CN109561351A (en) * | 2018-12-03 | 2019-04-02 | 网易（杭州）网络有限公司 | Network direct broadcasting back method, device and storage medium |
| CN111901620B (en) * | 2020-07-24 | 2022-07-29 | 北京达佳互联信息技术有限公司 | Live playback video generation method and device, electronic equipment and storage medium |
| CN113873288A (en) * | 2021-12-02 | 2021-12-31 | 北京微吼时代科技有限公司 | Method and device for generating playback in live broadcast process |
| CN114401430A (en) * | 2022-01-21 | 2022-04-26 | 广州虎牙科技有限公司 | Video playback method, device, server, system and storage medium |
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