CN115442659B - MSE media source playing method and system - Google Patents
MSE media source playing method and system Download PDFInfo
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- CN115442659B CN115442659B CN202211052852.6A CN202211052852A CN115442659B CN 115442659 B CN115442659 B CN 115442659B CN 202211052852 A CN202211052852 A CN 202211052852A CN 115442659 B CN115442659 B CN 115442659B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002159 abnormal effect Effects 0.000 claims abstract description 75
- 238000004458 analytical method Methods 0.000 claims abstract description 72
- 230000005856 abnormality Effects 0.000 claims description 23
- 238000000605 extraction Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
-
- 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
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to the technical field of multimedia playing, and discloses a playing method and a playing system of an MSE media source, aiming at solving the problem of insufficient data fault tolerance of the existing MSE playing system, wherein the scheme mainly comprises the following steps: receiving MSE slice data, and performing pre-analysis processing on the MSE slice data; positioning and identifying abnormal data of MSE slice data after pre-analysis processing; performing corresponding abnormal processing on MSE slice data according to the type of the abnormal data; and sending the MSE slice data subjected to the exception processing and the broadcasting control instruction to a player module, and decoding, playing, displaying and presenting the MSE slice data by the player module according to the broadcasting control instruction. The invention improves the overall fault tolerance and robustness of MSE media source play, and also improves the overall experience of user watching, and is suitable for browsers.
Description
Technical Field
The invention relates to the technical field of multimedia playing, in particular to a playing method and a playing system of an MSE media source.
Background
MSE (Media Source Extensions) is a browser extension media source standard proposed by W3C organization, and currently, the mainstream browser supports media source playing in MSE format. The MSE media source is favored by wide content operators due to the flexibility and non-plug-in characteristics, more and more media contents are released and operated on the basis of the MSE mode, and meanwhile, the stability and the safety of the browser are greatly improved due to the fact that the playing of the MSE is not dependent on a specific playing plug-in, and the MSE media source is technically favored by various manufacturers.
At present, the playing process of the MSE media source by the mainstream browser mainly comprises the following steps: step one: resolving an MSE media source in a webpage and extracting an original media source address; step two: downloading media data from an original media source address, and transcoding the media data into MSE slice data; step three: the MSE slice data is issued to the player in an audio+video mode; step four: the player analyzes MSE slice data, decodes and plays; in the above process, if the MSE slice data in the second step is wrong, the player cannot parse the MSE slice data, so that the whole playing process is stopped by the error. The fault tolerance of the current flow to the media data is low, so that the continuous and stable running and playing of the MSE media source are influenced, and the actual user video watching experience is reduced.
Disclosure of Invention
The invention aims to solve the problem of insufficient data fault tolerance of the existing MSE playing system and provides a playing method and a playing system of an MSE media source.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in one aspect, a method for playing an MSE media source is provided, including the following steps:
receiving MSE slice data, and performing pre-analysis processing on the MSE slice data;
positioning and identifying abnormal data of MSE slice data after pre-analysis processing;
performing corresponding abnormal processing on MSE slice data according to the type of the abnormal data;
and sending the MSE slice data subjected to the exception processing and the broadcasting control instruction to a player module, and decoding, playing, displaying and presenting the MSE slice data by the player module according to the broadcasting control instruction.
Further, the receiving MSE slice data specifically includes:
resolving an MSE media source in a webpage and extracting an original media source address;
media data is downloaded from an original media source address and transcoded into MSE slice data.
Further, the MSE slice data includes at least: audio slice data, video slice data, and subtitle slice data.
Further, the types of the abnormal data at least include: incomplete slice data exception, erroneous slice data resolution exception, and abnormal slice data format switching exception.
Further, the performing corresponding exception processing on the MSE slice data according to the type of the exception data specifically includes:
if the type of the abnormal data is incomplete abnormal, the corresponding slice data is completely discarded, and a request for resending the corresponding slice data is uploaded;
if the type of the abnormal data is that the analysis of the slice data is wrong, discarding the corresponding slice data, reinitializing the analysis module, and re-analyzing the slice data through the analysis module;
and if the type of the abnormal data is abnormal in the format switching of the slice data, releasing the original analysis module, re-creating a new analysis module, and re-switching the format of the slice data through the analysis module.
In another aspect, a play system of an MSE media source is provided, including:
the pre-analysis module is used for receiving MSE slice data and carrying out pre-analysis processing on the MSE slice data;
the abnormal positioning module is used for positioning and identifying abnormal data of the MSE slice data after the pre-analysis processing;
the abnormal processing module is used for carrying out corresponding abnormal processing on the MSE slice data according to the type of the abnormal data and sending the MSE slice data subjected to the abnormal processing and the broadcasting control instruction to the player module;
and the player module is used for decoding, playing, displaying and presenting the MSE slice data according to the playing control instruction.
Further, the system further comprises:
the extraction module is used for analyzing the MSE media source in the webpage and extracting the original media source address;
and the transcoding module is used for downloading the media data from the original media source address, transcoding the media data into MSE slice data and sending the MSE slice data to the pre-analysis module.
Further, the MSE slice data includes at least: audio slice data, video slice data, and subtitle slice data.
Further, the types of the abnormal data at least include: incomplete slice data exception, erroneous slice data resolution exception, and abnormal slice data format switching exception.
Further, the exception handling module is specifically configured to:
if the type of the abnormal data is incomplete abnormal, the corresponding slice data is completely discarded, and a request for resending the corresponding slice data is uploaded;
if the type of the abnormal data is that the analysis of the slice data is wrong, discarding the corresponding slice data, reinitializing the analysis module, and re-analyzing the slice data through the analysis module;
and if the type of the abnormal data is abnormal in the format switching of the slice data, releasing the original analysis module, re-creating a new analysis module, and re-switching the format of the slice data through the analysis module.
The beneficial effects of the invention are as follows: the playing method and the playing system of the MSE media source can pre-analyze, pre-find and pre-process various abnormal data of the MSE media source, ensure the correct analysis and execution of the subsequent playing flow, improve the integral fault tolerance and the robustness of the MSE media source playing and also improve the integral experience of the user for watching the video.
Drawings
FIG. 1 is a schematic diagram of a playback system of an MSE media source according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a playing method of an MSE media source according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The playing system of the MSE media source provided by the invention, as shown in fig. 1, mainly comprises: the device comprises a preresolution module, an anomaly positioning module, an anomaly processing module and a player module, wherein the preresolution module is used for preresolution of received MSE slice data, the anomaly positioning module is used for positioning and identifying the anomaly data of the preresolution MSE slice data, the anomaly processing module is used for carrying out corresponding anomaly processing according to the type of the anomaly data, and the player module is used for analyzing, decoding and playing and presenting the slice data.
Based on the playing system of the MSE media source, the playing method of the MSE media source provided by the invention, as shown in fig. 2, comprises the following steps:
step 1, receiving MSE slice data, and performing pre-analysis processing on the MSE slice data;
wherein the MSE slice data includes audio slice data, video slice data, and subtitle slice data; each slice data can be subdivided into configuration information data, slice header data, slice middle data and slice tail data.
Specifically, the invention can firstly analyze the MSE media source in the webpage through the extraction module and extract the original media source address; the method comprises the steps that a transcoding module is used for downloading media data from an original media source address, transcoding the media data into MSE slice data, sending the MSE slice data to a pre-analysis module, and carrying out pre-analysis processing on the received MSE slice data after receiving the MSE slice data; the specific analysis content comprises analysis of the type of the current slice data and analysis of the subdivision type of the current slice data.
Step 2, positioning and identifying abnormal data of MSE slice data after pre-analysis processing;
the types of the abnormal data at least comprise: incomplete slice data exception, erroneous slice data resolution exception, and abnormal slice data format switching exception. Specifically, the abnormality locating module confirms abnormal data and types of the abnormal data in the MSE slice data according to corresponding identification rules, for example, if the switching change of the audio and video format of the MSE source is detected, the slice data is determined to be abnormal and the types of the abnormal data are determined to be abnormal in the switching of the slice data format; for another example, if the head data of the next slice is received without receiving all the data of the current slice, it is determined that the data of the current slice is abnormal and the type of the abnormal data is incomplete abnormality of the slice data; for another example, if there is data that cannot be analyzed normally in the current slice, it is determined that the current slice data is abnormal and the type of the abnormal data is a slice data analysis error abnormality.
Step 3, performing corresponding exception processing on MSE slice data according to the type of the exception data;
specifically, if the type of the abnormal data is incomplete abnormality of the slice data, the corresponding slice data is completely discarded, and a request for resending the corresponding slice data is uploaded;
discarding the corresponding slice data and reinitializing the analysis module aiming at the type of the abnormal data, namely the slice data analysis error abnormality, and reinterpreting the slice data through the analysis module;
and if the type of the abnormal data is abnormal in the format switching of the slice data, releasing the original analysis module, re-creating a new analysis module, and re-switching the format of the slice data through the new analysis module.
Step 4, sending the MSE slice data and the playing control instruction after the exception processing to a player module;
it may be understood that after the abnormality processing module performs corresponding abnormality processing on the MSE slice data, the slice data is completely normal and complete MSE slice data, and the abnormality processing module sends the completely normal and complete MSE slice data and a corresponding play control instruction to the player module, where the play control instruction may be: SEEK instructions, play, pause, exit, etc.
And 5, the player module decodes, plays and displays the MSE slice data according to the playing control instruction.
Specifically, after receiving the completely normal and complete MSE slice data and the playing instruction, the player module analyzes the playing control instruction and then executes the playing control instruction, and decodes, plays and displays the received MSE slice data.
Embodiments of the present invention will be described in detail with reference to examples.
The following three embodiments all set the following play scenarios:
the MSE media resource to be played is divided into two paths of data, wherein one path of audio data and one path of video data;
each complete slice of audio data contains 6 seconds of audio content;
each complete slice of video data contains 6 seconds of video content;
the packaging format of the audio and video data is mp4 or webm format;
the MSE media source has started to send data to the playing system of the MSE media source, and the playing system of the MSE media source has processed the normal playing process.
Example 1
Step one: the pre-parsing module receives MSE audio and video slice data; wherein the package format of the audio slice data is mp4, and wherein the package format of the video slice data is mp4;
step two: the pre-analysis module performs pre-analysis processing on the audio and video slice data, receives new audio format switching configuration data, and analyzes and obtains a new audio encapsulation format which is a webm format; the pre-analysis module receives new video format switching configuration data and analyzes and obtains a new video encapsulation format as a webm format;
step three: the abnormality positioning module confirms that the audio and video formats of the MSE source are changed in a switching manner, and determines that the abnormality type is abnormal in the switching of the slice data formats;
step four: the method comprises the steps that an abnormality processing module detects that the slice data format is abnormal in switching, an original mp4 analysis module is released, and a new webm audio analysis module and a new webm video analysis module are created;
step five: the abnormality processing module sends audio and video format switching data to the player module, and specifically comprises new audio format switching configuration data and new video format switching configuration data;
step six: the player module analyzes the new audio and video format switching configuration data and analyzes the correct media resource format;
step seven: the player receives the new media asset data and parses, decodes and plays the display presentation in the new format.
By executing the steps, the error reporting and termination of the whole playing process caused by abnormal switching of the slice data formats can be avoided, the correct analysis and execution of the subsequent playing process are ensured, the integral fault tolerance and the robustness of MSE media source playing are improved, and the integral experience of watching the video by a user is also improved.
Example 2
Step one: the pre-analysis module receives the 26 th audio slice data and the 26 th video slice data; the 26 th audio slice data consists of three data, and all the data are received completely; the No. 26 video slice data consists of 15 data, 10 data are received, and 5 data are left to be received;
step two: the pre-analysis module receives the head data of the No. 27 slice of the video;
step three: the abnormality locating module locates incomplete data of a No. 26 slice of the video and determines incomplete abnormality of the slice data;
step four: the exception handling module discards all data of the video No. 26 slice and notifies the upper layer that the video No. 26 slice does not exist;
step five: the pre-analysis module re-receives the video No. 26 slice data, pre-analyzes the video No. 26 slice data, the abnormal positioning module does not recognize the abnormal data, and the slice data is sent to the player module through the abnormal processing module;
step six: the player module analyzes the instruction, executes the instruction, decodes, plays and displays the received slice data.
By executing the steps, the error reporting and termination of the whole playing process caused by incomplete abnormality of slice data can be avoided, the correct analysis and execution of the subsequent playing process are ensured, the integral fault tolerance and robustness of MSE media source playing are improved, and the integral experience of user watching is also improved.
Example 3
Step one: the pre-analysis module receives MSE slice data, wherein complete data of an audio No. 68 slice is received, and 9 th data of video No. 68 slice data is received;
step two: the pre-analysis module performs pre-analysis processing on the 9 th data of the 68 th slice of the received video;
step three: the abnormality locating module confirms that the 9 th data of the 68 th slice of the video is abnormal in analysis and cannot be normally analyzed, so that the 9 th data of the 68 th slice of the video is located and identified to belong to abnormal data, and the current abnormal type is abnormal in data analysis;
step four: the exception handling module discards all data of the No. 68 slice of the video and reinitializes the video analysis module;
step five: the exception handling module sends a SEEK instruction to the player, wherein the time point of the SEEK is the starting time of the 69 th slice of the video; the data preprocessing module sends 69 th slice data of video and audio to the player module;
step six: the player module analyzes the SEEK instruction and executes SEEK operation, and starts to analyze the playing presentation from a new time point.
By executing the steps, the error reporting and termination of the whole playing flow caused by the analysis abnormality of the slice data can be avoided, the correct analysis and execution of the subsequent playing flow are ensured, the integral fault tolerance and the robustness of MSE media source playing are improved, and the integral experience of watching the video by a user is also improved.
In summary, according to the playing method and system of the MSE media source in the embodiment, various abnormal data of the MSE media source can be pre-analyzed, pre-found and pre-processed, so that correct analysis and execution of a subsequent playing process are ensured, the overall fault tolerance and robustness of the MSE media source playing are improved, and the overall viewing experience of a user is also improved.
Claims (4)
1. A method of playing a media source of MSE, comprising the steps of:
receiving MSE slice data, and performing pre-analysis processing on the MSE slice data;
positioning and identifying abnormal data of MSE slice data after pre-analysis processing;
performing corresponding abnormal processing on MSE slice data according to the type of the abnormal data;
the MSE slice data after exception processing and the broadcasting control instruction are sent to a player module, and the player module decodes, plays and displays the MSE slice data according to the broadcasting control instruction;
the receiving MSE slice data specifically comprises:
resolving an MSE media source in a webpage and extracting an original media source address;
downloading media data from an original media source address and transcoding the media data into MSE slice data;
the types of the abnormal data include: incomplete abnormality of slice data, analysis error abnormality of slice data and format switching abnormality of slice data;
the performing corresponding exception processing on the MSE slice data according to the type of the exception data specifically includes:
if the type of the abnormal data is incomplete abnormal, the corresponding slice data is completely discarded, and a request for resending the corresponding slice data is uploaded;
if the type of the abnormal data is that the analysis of the slice data is wrong, discarding the corresponding slice data, reinitializing the analysis module, and re-analyzing the slice data through the analysis module;
and if the type of the abnormal data is abnormal in the format switching of the slice data, releasing the original analysis module, re-creating a new analysis module, and re-switching the format of the slice data through the analysis module.
2. The method of playing a MSE media source of claim 1, wherein the MSE slice data comprises: audio slice data, video slice data, and subtitle slice data.
3. A play system for a MSE media source, comprising:
the pre-analysis module is used for receiving MSE slice data and carrying out pre-analysis processing on the MSE slice data;
the abnormal positioning module is used for positioning and identifying abnormal data of the MSE slice data after the pre-analysis processing;
the abnormal processing module is used for carrying out corresponding abnormal processing on the MSE slice data according to the type of the abnormal data and sending the MSE slice data subjected to the abnormal processing and the broadcasting control instruction to the player module;
the player module is used for decoding, playing, displaying and presenting the MSE slice data according to the playing control instruction;
the system further comprises:
the extraction module is used for analyzing the MSE media source in the webpage and extracting the original media source address;
the transcoding module is used for downloading media data from an original media source address, transcoding the media data into MSE slice data and sending the MSE slice data to the pre-analysis module;
the types of the abnormal data include: incomplete abnormality of slice data, analysis error abnormality of slice data and format switching abnormality of slice data;
the exception handling module is specifically configured to:
if the type of the abnormal data is incomplete abnormal, the corresponding slice data is completely discarded, and a request for resending the corresponding slice data is uploaded;
if the type of the abnormal data is that the analysis of the slice data is wrong, discarding the corresponding slice data, reinitializing the analysis module, and re-analyzing the slice data through the analysis module;
and if the type of the abnormal data is abnormal in the format switching of the slice data, releasing the original analysis module, re-creating a new analysis module, and re-switching the format of the slice data through the analysis module.
4. A play system of an MSE media source as claimed in claim 3, wherein the MSE slice data comprises: audio slice data, video slice data, and subtitle slice data.
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