WO2017071524A1 - Procédé et appareil de publication de ressources multimédia - Google Patents

Procédé et appareil de publication de ressources multimédia Download PDF

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Publication number
WO2017071524A1
WO2017071524A1 PCT/CN2016/102763 CN2016102763W WO2017071524A1 WO 2017071524 A1 WO2017071524 A1 WO 2017071524A1 CN 2016102763 W CN2016102763 W CN 2016102763W WO 2017071524 A1 WO2017071524 A1 WO 2017071524A1
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Prior art keywords
multimedia resource
resource
version
multimedia
different versions
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PCT/CN2016/102763
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English (en)
Chinese (zh)
Inventor
柏杨
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中兴通讯股份有限公司
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Publication of WO2017071524A1 publication Critical patent/WO2017071524A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/762—Media network packet handling at the source 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/765—Media network packet handling intermediate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23113—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving housekeeping operations for stored content, e.g. prioritizing content for deletion because of storage space restrictions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and an apparatus for distributing multimedia resources.
  • IPTV/OTT technology provides a way to transmit video, audio, pictures and other media content in the network, and thus has been widely used in multimedia service systems, especially mobile multimedia services.
  • users have higher and higher requirements for the clarity and smoothness of video services. How to solve the problem of improving user experience and reducing storage space and bandwidth usage is extremely urgent.
  • the traditional content distribution technology solution generally pulls the original film source into the local storage system intact, and the original film source with multiple code rates will occupy a relatively large storage space.
  • the high-frequency content of the ball game and the low-frequency content such as cartoons are often wasteful and not suitable (high-frequency content, under the condition of a certain bandwidth, the highest code rate is removed under the premise of ensuring the user's smooth experience; low frequency Content, under the guarantee of the user's service experience, remove the highest code rate and save bandwidth).
  • the embodiment of the invention provides a method and a device for a multimedia resource, so as to at least solve the problem that the storage space and the bandwidth are too large when the multimedia resource is released in the related art.
  • a method for distributing a multimedia resource including: a media publishing server receiving a request message for requesting to issue a multimedia resource; and the media publishing server acquiring the multimedia resource from a content providing server Different versions, wherein code rates between different versions of the multimedia resource are different; the media publishing server deletes a partial version from different versions of the multimedia resource, and stores the remaining versions of the multimedia resource; The media publishing server selects one or more of the remaining versions of the multimedia resource for publishing.
  • the media publishing server deleting the partial version from the different versions of the multimedia resource includes: determining, by the media publishing server, whether the partial version needs to be deleted according to the resource type of the multimedia resource and a predetermined publishing policy; Determining that the partial version needs to be deleted, the media publishing server deletes a partial version from different versions of the multimedia resource.
  • the media publishing server determining, by the media publishing server, whether the partial version is required to be deleted according to the resource type of the multimedia resource and the predetermined publishing policy, the media publishing server determining, by the predetermined publishing policy, that the target version needs to be deleted Whether the target resource type of the target multimedia resource includes the resource type of the multimedia resource; Describe the resource type of the multimedia resource, and determine that the partial version needs to be deleted.
  • deleting, by the media publishing server, a partial version from different versions of the multimedia resource the media publishing server determining whether different versions of the multimedia resource include the target version, and if the target version is included, The target version is then deleted from a different version of the multimedia resource.
  • deleting, by the media publishing server, a partial version from different versions of the multimedia resource comprises: the media publishing server deleting a version with the highest code rate from different versions of the multimedia resource.
  • a device for distributing a multimedia resource includes: a receiving module, configured to receive a request message for requesting to issue a multimedia resource; and an acquiring module configured to acquire the content from the content providing server Different versions of the multimedia resource, wherein the code rates between different versions of the multimedia resource are different; the processing module is configured to delete a partial version from different versions of the multimedia resource and to have a remaining version of the multimedia resource Performing a storage; a publishing module, configured to select one or more of the remaining versions of the multimedia resource for publishing.
  • the processing module further includes: a first determining unit, configured to determine, according to the resource type of the multimedia resource, and a predetermined publishing policy, whether to delete the partial version; the first deleting unit is configured to determine that the content is needed Deleting the partial version removes a partial version from a different version of the multimedia resource.
  • the determining unit includes: a determining subunit, configured to determine whether the target resource type of the target multimedia resource that needs to delete the target version indicated by the predetermined publishing policy includes a resource type of the multimedia resource; And if it is set to include the resource type of the multimedia resource, it is determined that the partial version needs to be deleted.
  • the processing module further includes: a second determining unit, configured to determine whether the different version of the multimedia resource includes the target version; and the second deleting unit is configured to: if the target version is included, The target version is deleted in different versions of the multimedia resource.
  • the processing module further includes: a third deleting unit, configured to delete the version with the highest code rate from different versions of the multimedia resource.
  • a storage medium is also provided.
  • the storage medium is arranged to store program code for performing the following steps:
  • Receiving a request message for requesting to issue a multimedia resource acquiring different versions of the multimedia resource from a content providing server, wherein a code rate between different versions of the multimedia resource is different; from different versions of the multimedia resource Partial versions are deleted and the remaining versions of the multimedia resources are stored; one or more of the remaining versions of the multimedia resources are selected for publishing.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the version with the highest code rate is removed from different versions of the multimedia resource.
  • the media publishing server receives a request message for requesting to issue a multimedia resource; the media publishing server acquires different versions of the multimedia resource from the content providing server, where different versions of the multimedia resource are The code rate is different; the media publishing server deletes a partial version from different versions of the multimedia resource, and stores the remaining version of the multimedia resource; the media publishing server is from the remaining versions of the multimedia resource Select one or more to publish.
  • the invention solves the problem that the storage space and the bandwidth are too large when the multimedia resources are released in the related art, thereby achieving the effect of saving storage space and bandwidth under the service experience of the user.
  • FIG. 1 is a flowchart of a method for distributing a multimedia resource according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a device for distributing multimedia resources according to an embodiment of the present invention
  • FIG. 3 is a block diagram 1 of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention
  • FIG. 4 is a block diagram 2 of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention
  • FIG. 5 is a block diagram 3 of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of a system for distributing multimedia resources according to an embodiment of the present invention.
  • FIG. 7 is a timing chart showing the operation of a multimedia resource distribution system according to an alternative embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an Apple HLS based scenario in accordance with an alternative embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a DASH based scenario according to an alternative embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an HSS based scenario in accordance with an alternate embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for publishing a multimedia resource according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S102 The media publishing server receives a request message for requesting to issue a multimedia resource.
  • the multimedia resource may be a video resource, an audio resource, or a picture or other multimedia resource.
  • the multimedia publishing server receives the request message and performs subsequent processing.
  • the multimedia publishing server may be a website of a video website, a live broadcast platform, a sharing platform, or a software server.
  • Step S104 The media publishing server acquires different versions of the multimedia resources from the content providing server, where the code rates between different versions of the multimedia resources are different.
  • the multimedia resource includes one or more versions, and each version may have different definitions due to different code rates, such as ultra high definition, high definition, normal, etc., each version occupies the capacity of the multimedia resource, correspondingly Each multimedia resource of the version occupies a corresponding capacity and bandwidth when the multimedia resource is saved or transmitted.
  • Step S106 The media publishing server deletes a partial version from different versions of the multimedia resource, and stores the remaining version of the multimedia resource.
  • some versions of multimedia resources such as Ultra HD versions, do not need to be published on the publishing server because of the multimedia itself, or the memory capacity and bandwidth, or the reason why the user uses too little.
  • Different versions of the multimedia resource are deleted, the unneeded version is deleted, and the storage is to be released.
  • Step S108 The media publishing server selects one or more of the remaining versions of the multimedia resources for publishing.
  • the multimedia publishing server receives the request for the transmission of the multimedia resource or the message downloaded from the server, one or more of the remaining versions of the multimedia resource to be released are stored.
  • the media publishing server receives a request message for requesting to issue a multimedia resource, and the media publishing server acquires different versions of the multimedia resource from the content providing server, where a code rate between different versions of the multimedia resource is different;
  • the publishing server deletes part of the version from the different versions of the multimedia resource and stores the remaining versions of the multimedia resource; the media publishing server selects one or more of the remaining versions of the multimedia resource for publishing.
  • the media publishing server deleting the partial version from different versions of the multimedia resource includes:
  • the media publishing server determines, according to the resource type of the multimedia resource and the predetermined publishing policy, whether a partial version needs to be deleted.
  • the resource type of the multimedia resource is related to the frequency of the multimedia resource, and the frequency may be a frame speed during video playback, and is related to the fluency of the resource playing, and the different multimedia resources may be classified into a high frequency and an intermediate frequency according to the type of the resource.
  • the low-frequency three-speed, resource type information is carried in the request message when the resource request is issued, and is generated by the upper layer network, that is, the video frequency Video Frequency field, 1 indicates low frequency, 2 indicates intermediate frequency, and 3 indicates high frequency.
  • the high frequency type multimedia resource may be a live ball game content
  • the low frequency type multimedia resource may be an animation
  • the predetermined publishing policy may be pre-set processing of deleting a partial version of one or more types of multimedia resources, such as deleting a high frequency. And partial versions of multimedia resources of low frequency type, but no processing of multimedia resources of intermediate frequency type.
  • the media publishing server deletes the partial version from different versions of the multimedia resource.
  • the media publishing server determines whether the partial version needs to be deleted according to the resource type of the multimedia resource and the predetermined publishing policy, and the media publishing server determines whether the target resource type of the target multimedia resource that needs to delete the target version indicated by the predetermined publishing policy includes multimedia.
  • the resource type of the resource if the resource type of the multimedia resource is included, it is determined that the partial version needs to be deleted.
  • the resource type that needs to be deleted in the partial release policy is deleted, and the Video Frequency field of the multimedia resource is parsed. If the resource type corresponding to the predetermined publishing policy is deleted, the multimedia resource is deleted. Version processing.
  • the media publishing server deleting the partial version from different versions of the multimedia resource includes: the media publishing server determining whether the different versions of the multimedia resource include the target version, and if the target version is included, deleting the target version from different versions of the multimedia resource.
  • the predetermined release policy also indicates which specific version of the multimedia resource is deleted, such as deleting the high frequency and intermediate frequency versions of the multimedia resource, then the high frequency and the intermediate frequency are the target versions, and only the low frequency version is retained, and all of the multimedia resources are
  • the version includes a version in which the predetermined policy indicates deletion, the target version is deleted, and when all versions of the multimedia resource do not have the target version, no processing is performed.
  • the version of the multimedia resource is not deleted.
  • the media publishing server deleting the partial version from the different versions of the multimedia resource includes the media publishing server deleting the version with the highest rate from the different versions of the multimedia resource. It can be an Ultra HD version that deletes multimedia resources. Optionally, the version with the highest bit rate of the high frequency type and the low frequency type is deleted.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a device for distributing a multimedia resource is provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module" can achieve a predetermined function a combination of software and / or hardware.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the device may be configured to set a multimedia resource publishing server, and the device includes: a receiving module 20, an obtaining module 22, and a processing module 24. , publishing module 26, wherein
  • the receiving module 20 is configured to receive a request message for requesting to issue a multimedia resource
  • the obtaining module 22 is coupled to the receiving module 20 and configured to obtain different versions of the multimedia resources from the content providing server, where the code rates between different versions of the multimedia resources are different;
  • the processing module 24 is coupled to the obtaining module 22, configured to delete a partial version from different versions of the multimedia resource, and store the remaining versions of the multimedia resource;
  • the publishing module 26 is coupled to the processing module 24 and is configured to select one or more of the remaining versions of the multimedia resource for publishing.
  • FIG. 3 is a block diagram of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention. As shown in FIG. 3, the device further includes: a first determining unit, in addition to all the modules shown in FIG. 30. The first deleting unit 32, wherein
  • the first determining unit 30 is configured to determine, according to the resource type of the multimedia resource and the predetermined publishing policy, whether the partial version needs to be deleted;
  • the first deleting unit 32 is coupled to the first determining unit 30, and is configured to delete the partial version from different versions of the multimedia resource if it is determined that the partial version needs to be deleted.
  • FIG. 4 is a block diagram 2 of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention.
  • the device includes, in addition to all the modules shown in FIG. 3, the first determining unit 30 further includes: a determining unit. Unit 40, determining subunit 42, wherein
  • the determining sub-unit 40 is configured to determine whether the target resource type of the target multimedia resource that needs to delete the target version indicated by the predetermined publishing policy includes the resource type of the multimedia resource;
  • the determining sub-unit 42 is coupled to the determining sub-unit 40, and is set to determine that the partial version needs to be deleted if the resource type of the multimedia resource is included.
  • FIG. 5 is a block diagram 3 of an optional structure of a device for distributing multimedia resources according to an embodiment of the present invention. As shown in FIG. 5, the device further includes: a second determining unit, in addition to all the modules shown in FIG. 50. The second deleting unit 52, wherein
  • the second determining unit 50 is configured to determine whether different versions of the multimedia resource include the target version
  • the second deleting unit 52 is configured to delete the target version from different versions of the multimedia resource if the target version is included.
  • the processing module 24 further includes: a third deleting unit (not shown in the drawing), configured to delete the version with the highest code rate from different versions of the multimedia resource, and the third deleting unit may be set in FIG. 2 3.
  • a third deleting unit (not shown in the drawing), configured to delete the version with the highest code rate from different versions of the multimedia resource, and the third deleting unit may be set in FIG. 2 3.
  • the optional embodiment utilizes the type judgment of the content to be released in advance, and then releases the highest content rate after the source content is released, so as to reduce the occupation of the storage space and the use of bandwidth while satisfying the user experience.
  • FIG. 6 is a structural diagram of a multimedia resource issuance system according to an embodiment of the present invention.
  • the system includes: a content management system 60, a content interface machine 61, a system management device 62, and a configuration device 63.
  • a server 64 a media distribution server 65, wherein
  • Content management system CMS60 content management system (CMS), responsible for uploading, reviewing, packaging and other business logic processing, and finally publishing content request message (including Video Frequency field, 1 means low frequency, 2 means The intermediate frequency, 3 indicates high frequency) is sent to the content distribution network (Content Distribution Network, CDN for short) content distribution system;
  • CMS content management system
  • Content interface machine CIMP61 Content Interface Management Platform (CIMP), which is responsible for parsing the content distribution message of the CMS, and converting it into a CDN internal message, transparently transmitting the VideoFrequency field, and notifying the CDNMGR to publish the content;
  • CIMP Content Interface Management Platform
  • the system management device CDNMGR/DB 62 is the administrator of the internal CDN system (Content Distribution Network Manager/Database), is responsible for content distribution and storage control, transparently transmits the VideoFrequency field, and forwards the published message to the service managed by the node to be released.
  • Service Load Balance (SLB) server is the administrator of the internal CDN system (Content Distribution Network Manager/Database), is responsible for content distribution and storage control, transparently transmits the VideoFrequency field, and forwards the published message to the service managed by the node to be released.
  • SLB Service Load Balance
  • the configuration device CDNWEB63 which is a WEB server that configures CDN data, saves the configured content distribution policy into a CDNDB (Content Distribution Network Database), and synchronizes to the media distribution server;
  • the SLB server 64 the service load balancing server, is responsible for receiving the content distribution message of the CDNMGR, and transparently transmitting the VideoFrequency field according to the load condition of each media publishing server, and transmitting the publishing message to the media publishing server with the lightest load;
  • the media publishing server 65 is configured to receive a content publishing message of the SLB (Service Load Balance), and includes a plurality of media publishing modules, and obtains a content from the source station according to the Video Frequency field value in the publishing request message and the content publishing policy synchronized by the CDNWEB server. Content, released after removing the highest code rate;
  • SLB Service Load Balance
  • the CIMP waits to receive a content publishing request of the CMS.
  • the SLB waits to receive a content distribution request of the CDNMGR
  • the media publishing server waits to receive a content publishing request of the SLB.
  • the CMS sends a content publishing request to the CIMP.
  • the CIMP converts the message into a CDN internal message, and notifies the CDNMGR to publish the content
  • the CDNMGR forwards the message to the SLB, and notifies the SLB to perform content distribution;
  • the media publishing server receives the content publishing request of the SLB, according to the VideoFrequency field value in the publishing request message (1 indicates low frequency, 2 indicates intermediate frequency, 3 indicates high frequency), and the content publishing policy synchronized by the CDNWEB, and the source station obtains Content, released after removing the highest code rate;
  • the media publishing server in the core network plane, the media publishing server according to the VideoFrequency field value in the release request message (1 indicates low frequency, 2 indicates intermediate frequency, 3 indicates high frequency), and CDNWEB synchronizes
  • the content publishing strategy go to the source station to get the content, remove the highest code rate and release it.
  • FIG. 7 is a timing diagram of operations of a multimedia resource distribution system according to an alternative embodiment of the present invention. As shown in FIG. 7, the method includes the following steps:
  • Step S301 The CIMP server starts monitoring, and is responsible for receiving a content publishing request sent by the CMS.
  • Step S302 The CDNMGR server starts monitoring, and is responsible for receiving the content publishing request sent by the CIMP;
  • Step S303 The SLB server starts monitoring, and is responsible for receiving the content publishing request sent by the CDNMGR.
  • Step S304 The media publishing server starts monitoring, and is responsible for receiving the content publishing request sent by the SLB;
  • Step S305 The CMS server initiates a content publishing request to the CIMP server, where the request message includes a VideoFrequency field value (1 indicates a low frequency, 2 indicates an intermediate frequency, and 3 indicates a high frequency);
  • Step S306 The CIMP server receives the content publishing request of the CMS server, converts it into an internal message format, and transparently transmits the value of the VideoFrequency field to the CDNMGR server.
  • Step S307 The CDNMGR server transparently transmits the VideoFrequency field value to the SLB server, and forwards the content publishing request.
  • Step S308 The SLB server transparently transmits the value of the VideoFrequency field according to the load balancing policy, and forwards the message to the media publishing server with the lightest load;
  • Step S309 The media publishing server according to the VideoFrequency field value in the content distribution request message (1 indicates low frequency, 2 indicates intermediate frequency, 3 indicates high frequency), and combines the content publishing strategy to obtain the content from the source station, and removes the highest code rate and then releases the content;
  • Step S310 The media publishing server returns a content publishing result to the SLB server.
  • Step S311 The SLB server returns a content publishing result to the CDNMGR server;
  • Step S312 The CDNMGR server returns a content publishing result to the CIMP server.
  • Step S313 The CIMP server returns a content publishing result to the CMS server.
  • the media publishing server is responsible for synchronizing the content publishing policy of the CDNWEB configuration, and receiving After the content is published, the content is processed according to the content type and the publishing policy.
  • FIG. 8 is a schematic diagram of an Apple HLS based scenario according to an alternative embodiment of the present invention. As shown in FIG. 8, the method includes:
  • Step S401 The CMS initiates an Apple HLS (Dynamic Rate Rate Adaptive Technology) content publishing request to the CIMP, including VideoFrequency;
  • Apple HLS Dynamic Rate Rate Adaptive Technology
  • Step S402 CIMP transparently transmits VideoFrequency to CDNMGR;
  • Step S403 CDNMGR transparently transmits VideoFrequency to the SLB;
  • Step S404 The SLB transparently transmits VideoFrequency to the media publishing server
  • Step S405 The media publishing server requests the main index file index.m3u8 from the source station;
  • Step S406 The media publishing server parses the index.m3u8 file, and obtains the code rate parameter values in the file;
  • Step S407 The media publishing server removes the highest code rate in the main index index.m3u8 file, and locally distributes the source file corresponding to the remaining code rate.
  • FIG. 9 is a schematic diagram of a DASH-based scenario according to an alternative embodiment of the present invention. As shown in FIG. 9, the method includes:
  • Step S501 The CMS initiates a DASH content publishing request to the CIMP, including VideoFrequency;
  • Step S502 CIMP transparently transmits VideoFrequency to CDNMGR;
  • Step S503 CDNMGR transparently transmits VideoFrequency to the SLB;
  • Step S504 The SLB transparently transmits VideoFrequency to the media publishing server;
  • Step S505 The media publishing server requests the index file manifest.mpd from the source station;
  • Step S506 The media publishing server parses the manifest.mpd file, and obtains the code rate parameter values in the file;
  • Step S507 The media publishing server removes the highest code rate in the manifest.mpd file, and locally distributes the source file corresponding to the remaining code rate.
  • FIG. 10 is a schematic diagram of an HSS-based scenario according to an alternative embodiment of the present invention. As shown in FIG. 10, the method includes:
  • Step S601 The CMS initiates a DASH content publishing request to the CIMP, including VideoFrequency;
  • Step S602 CIMP transparently transmits VideoFrequency to CDNMGR;
  • Step S603 CDNMGR transparently transmits VideoFrequency to the SLB;
  • Step S604 The SLB transparently transmits VideoFrequency to the media publishing server;
  • Step S605 The media publishing server requests the index file xxx.ism from the source station;
  • Step S606 The media publishing server parses the xxx.ism file, and obtains the code rate parameter values in the file;
  • Step S607 The media publishing server removes the highest code rate in the xxx.ism file, and locally distributes the source file corresponding to the remaining code rate.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the media publishing server receives a request message for requesting to publish a multimedia resource.
  • the media publishing server acquires different versions of the multimedia resource from the content providing server, where a code rate between different versions of the multimedia resource is different.
  • the media publishing server deletes a partial version from different versions of the multimedia resource, and stores the remaining versions of the multimedia resource.
  • the media publishing server selects one or more of the remaining versions of the multimedia resource for publishing.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the media publishing server receives a request message for requesting to issue a multimedia resource; the media publishing server acquires different versions of the multimedia resource from the content providing server, where the multimedia resource The code rate is different between different versions; the media publishing server deletes a partial version from different versions of the multimedia resource, and stores the remaining version of the multimedia resource; the media publishing server from the multimedia resource Select one or more of the remaining versions to publish.
  • the invention solves the problem that the storage space and the bandwidth are too large when the multimedia resources are released in the related art, thereby achieving the effect of saving storage space and bandwidth under the service experience of the user.

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  • Information Transfer Between Computers (AREA)

Abstract

La présente invention concerne un procédé et un appareil de publication de ressources multimédia. Le procédé comprend les étapes suivantes : un serveur de publication multimédia reçoit un message de demande servant à demander la publication d'une ressource multimédia ; le serveur de publication multimédia acquiert différentes versions de la ressource multimédia depuis un serveur de fourniture de contenu, les différentes versions de la ressource multimédia ayant des débits de code différents ; le serveur de publication multimédia supprime certaines des différentes versions de la ressource multimédia et stocke les versions restantes de la ressource multimédia ; et le serveur de publication multimédia sélectionne et publie une ou plusieurs des versions restantes de la ressource multimédia. La présente invention résout le problème existant dans l'art antérieur d'une occupation excessive d'espaces de stockage et de largeurs de bande lors de la publication d'une ressource multimédia, ce qui permet de réaliser des économies d'espaces de stockage et de largeurs de bande, tout en offrant à l'utilisateur une expérience de service satisfaisante.
PCT/CN2016/102763 2015-10-27 2016-10-20 Procédé et appareil de publication de ressources multimédia WO2017071524A1 (fr)

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