WO2013097091A1 - Procédé et système de distribution de vidéos et procédé et système de lecture de vidéos - Google Patents

Procédé et système de distribution de vidéos et procédé et système de lecture de vidéos Download PDF

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Publication number
WO2013097091A1
WO2013097091A1 PCT/CN2011/084735 CN2011084735W WO2013097091A1 WO 2013097091 A1 WO2013097091 A1 WO 2013097091A1 CN 2011084735 W CN2011084735 W CN 2011084735W WO 2013097091 A1 WO2013097091 A1 WO 2013097091A1
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WO
WIPO (PCT)
Prior art keywords
video
information
url
source
provider
Prior art date
Application number
PCT/CN2011/084735
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English (en)
Chinese (zh)
Inventor
孙斗
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180003109.5A priority Critical patent/CN103503486B/zh
Priority to PCT/CN2011/084735 priority patent/WO2013097091A1/fr
Publication of WO2013097091A1 publication Critical patent/WO2013097091A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2181—Source of audio or video content, e.g. local disk arrays comprising remotely distributed storage units, e.g. when movies are replicated over a plurality of video servers
    • 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
    • H04N21/232—Content retrieval operation locally within server, e.g. reading video streams from disk arrays
    • H04N21/2323—Content retrieval operation locally within server, e.g. reading video streams from disk arrays using file mapping
    • 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
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]

Definitions

  • Video publishing method and system video playing method and system
  • the present invention relates to the field of communications technologies, and in particular, to a video publishing method and system, a video playing method and system, and a video management system.
  • the existing video management system can realize the life cycle management of source video injection, storage, editing, distribution and traffic statistics.
  • Video publishers often convert the injected source video into a different format, or a different rate of release video, and then publish the output video through different channels (such as websites, mobile phones, TVs), this time
  • Each published video establishes a URL that can be accessed (Uniform/Universal Resource Locator, also known as a web address, which is the address of a standard resource on the Internet), and the user can publish the video accordingly through the URL access. If the video is unpublished, the user can no longer continue to access the published video via the URL.
  • Uniform/Universal Resource Locator also known as a web address, which is the address of a standard resource on the Internet
  • the video management system needs to collect the traffic information during video playback, so as to accurately analyze the user source (user geographic location, user IP address, playback client used by the user to access the video, etc.), video hotspots that the user pays attention to, Distribute information such as traffic generated by the CDN (Content Delivery Network).
  • CDN Content Delivery Network
  • the video provider, the source video, and the released video are stored in a video management system in a hierarchical relationship, that is, the video management system manages information of multiple video providers, and each video provider can Multiple source video files are injected, and each source video file can be transcoded into multiple published videos. Therefore, if you want to obtain more comprehensive video traffic statistics, the video player needs to obtain at least video provider information, source video information, and video information when accessing and playing video information according to the URL, so as to facilitate the video management system to play video statistics. Traffic information.
  • an implementation manner of acquiring video provider information, source video information, and publishing video information is provided: mapping a time stamp to an actual storage address of a video by using a URL mapping method, and providing video provider information and a source
  • the video information is placed in the head of the video file and parsed by the video player during video playback.
  • the URL obtained by the video player is similar to: Htt : //www.huawei.com/xwBb lf5; where xwBb 1 f5 is the timestamp.
  • the video provider information and the source video information are placed in the video file header, so that any video can be read ( Programs that include local reads can take advantage of both of these information; when a video is published, relying on timestamps to generate URLs can reduce system overhead.
  • the technical solution also hides the actual storage address of the video, and improves the security of video distribution.
  • the technical solution puts the video provider information and the source video information into the video file header, the video player needs to read related information from the video stream before the video is played, and parse out the video provider information and the source video. Information, which increases the resolution overhead of the video player and extends the parsing time.
  • the embodiment of the invention provides a video publishing method and system, a video playing method and system, and a video management system, so as to ensure video publishing security while reducing video resolution overhead.
  • the technical solution adopted by the embodiment of the present invention is:
  • a video publishing method comprising:
  • a video playing method comprising:
  • the video player sends a video play request to the video storage server, where the video play request includes a uniform resource locator URL of the video, so that the video storage server according to the mapping relationship between the URL of the saved video and the actual storage address of the video. Finding an actual storage address of the video corresponding to the URL of the video, and returning a video stream of the video to the video player;
  • the video player receives, by the video player, the video stream, and collecting traffic information of the video;
  • the video player transmits the traffic information, and the names of the video provider information, the source video information, and the video included in the URL of the video to the video management system.
  • a video distribution system comprising:
  • a first receiving unit configured to receive a video publishing request sent by the video providing end, where the video publishing request includes an identifier of the video
  • a searching unit configured to search for video provider information and source video information from the video storage server according to the video publishing request
  • mapping unit configured to generate a uniform resource locator URL of the video according to the video provider information, the source video information, and the name of the video, and establish a mapping relationship between the URL of the video and the actual storage address of the video, Saving the mapping relationship to the video storage server;
  • the first sending unit is configured to send information that the video is successfully posted to the video providing end.
  • a video playing system comprising:
  • a third sending unit configured to send a video play request to the video storage server, where the video play request includes a uniform resource locator URL of the video, so that the video storage server is configured according to the URL of the saved video and the actual storage address of the video. a mapping relationship, searching for an actual storage address of the video corresponding to the URL of the video, and returning a video stream of the video to the video player; a statistical unit, configured to receive the video stream, and count the video
  • the fourth sending unit is configured to send the traffic information, and the names of the video provider information, the source video information, and the video included in the URL of the video to the video management system.
  • a video management system where the video management system communicates with the video playback system, specifically:
  • a third receiving unit configured to receive, by the video playing system, traffic information, video provider information, source video information, and a name of the video;
  • a first recording unit configured to record the traffic information received by the third receiving unit to a video database corresponding to the name of the video
  • a second recording unit configured to record the traffic information received by the third receiving unit to a source video database corresponding to the source video information
  • a third recording unit configured to record the traffic information received by the third receiving unit to a video provider database corresponding to the video provider information.
  • the video publishing method and system provided by the embodiment of the present invention generate a video URL by using the name of the video provider, the source video information, and the video, and establish a mapping of the URL to the actual storage address of the video, so as to implement traffic statistics. Guarantee the security of video distribution, and reduce the video resolution overhead.
  • the embodiment of the present invention further provides a video playing method and system, and a video management system. When playing a video, the video player can directly report the traffic information to the video management system by using the URL. .
  • FIG. 1 is a schematic diagram of a storage structure of a video provider, a source video, and a distribution video in a video management system;
  • FIG. 2 is a schematic flowchart of a video distribution method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a process for releasing a video in a video distribution method according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a video distribution system according to an embodiment of the present invention
  • FIG. 5 is another schematic structural diagram of a video distribution system according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a video playing method according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a video playing system according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a video management system according to an embodiment of the present invention.
  • the video distribution method and system of the embodiment of the present invention generates a video URL by using the name of the video provider, the source video information, and the video, and establishes a mapping of the URL to the actual storage address of the video, so as to ensure that the video is released when performing traffic statistics. Security also reduces the video resolution overhead.
  • Step 101 Receive a video publishing request sent by a video providing end.
  • the video provider sends a video distribution request to the video management system by using a video provider (for example, a computer), and the video distribution request includes at least an identifier of the video, that is, a video ID.
  • Step 102 Search for video provider information and source video information from the video storage server according to the video publishing request.
  • Step 103 Generate a uniform resource locator URL of the video according to the name of the video provider, the source video information, and the video, and establish a mapping relationship between the URL of the video and the actual storage address of the video, and save the mapping relationship to the video storage server.
  • the video management system finds the video provider information and the source video information corresponding to the request from the video storage server according to the video ID in the video distribution request, according to the video provider information, the source video information, and the name of the video.
  • the aspect information generates a URL of the video, so that when the video is played, the video player can directly report the video traffic information to the video management system according to the above three aspects after obtaining the URL of the video, without parsing the video file header.
  • the method obtains video provider information and source video information, which greatly reduces the resolution cost of the video and shortens the parsing time.
  • the video management system needs to establish a mapping relationship between the URL of the video and the actual storage address of the video to hide the actual storage path of the video and prevent the illegal user from scanning the video address maliciously.
  • an Alias command of the Apache server may be used: Alias/key/var/web, key/introduction. mp4 is mapped to /var/web/introduction.mp4.
  • the mapping between the URL of the video and the actual storage address of the video is established by using other methods, which is not limited in this embodiment of the present invention.
  • Step 104 Send information that the video is successfully posted to the video provider.
  • the video management system After the video management system completes the two steps of generating a URL including the video provider information, the source video information, and the video name, and establishing a mapping relationship between the URL and the actual storage address of the video, the video provider returns a successful video distribution. Information, at this point, the entire process of video distribution of the embodiment of the present invention is completed.
  • the video distribution method provided by the embodiment of the present invention further includes:
  • the video management system Before performing step 103, the video management system first encodes and converts the video provider information and/or the source video information found in step 102, and hides the real storage data of the video provider information and/or the source video information in the video storage server. In order to further improve the security of video distribution. Specifically, Base62 encoding or hashing can be used to complete the encoding conversion. The following is a brief introduction to the process of encoding and converting video provider information and source video information by taking Base62 encoding as an example.
  • the video management system acquires the video Provider's storage serial number (ie, video provider information) from the video storage server according to the video distribution request, and performs the video Provider's storage serial number.
  • video Provider's storage serial number ie, video provider information
  • the Base 62 code converts to form a video provider ID with a fixed bit length.
  • the video management system obtains the storage sequence number (ie, source video information) of the source video from the video storage server according to the video distribution request, and performs Base62 encoding conversion on the storage sequence number of the source video to form a source video ID having a fixed bit length. ;
  • the video publishing method provided by the embodiment of the present invention further includes:
  • the URL includes:
  • the URL also includes timestamp information. That is to say, the URL at this time includes four aspects of video provider information, source video information, video name and time stamp information. Since the timestamp information of each video release is different, even if the names of the video provider information, the source video information, and the video are the same, it is guaranteed that the generated URL is different, and the video provider can utilize the timestamp. Information sets user permissions and manages the videos it publishes.
  • video provider A publishes a video and provides the generated URL-1 to friend B (ie, B has the right to publish the video through URL-1 access), and provides the generated URL-2 to friend C (ie C has the right to publish the video through URL-2, where URL-1 is different from the timestamp information contained in URL-2. If video provider A cancels the video corresponding to URL-1, then Friend B can no longer access the video through URL-1, but friend C can still continue to access the video released by A through URL-2, which is convenient for A to control the video it publishes.
  • the video distribution method of the embodiment of the present invention further includes: after the timestamp information is obtained, the timestamp information is encoded and converted, and the URL of the generated video in step 103 includes: Time-stamped information that has been encoded and converted.
  • the encoding conversion of the timestamp information can also be done using Base62 encoding or hashing.
  • mapping relationship between the URL of the video and the actual storage address of the video can be established by using the following four mapping rules, where WRZA6 is the video provider information, kUKYPr is the source video information, and introduction.mp4 For the name of the video, xwBblf5 is the timestamp information:
  • Map the video provider information, source video information, and timestamp information as the same path of the URL for example:
  • Http //www.huawei.com/blRZA6-kUKYPr- xwBblf5/introduction.mp4.
  • the video provider information and the source video information are mapped as different paths of the URL, and the time stamp information is used as a URL parameter, for example: xwBblf5.
  • the video provider can also cancel the video distribution according to the actual playing condition of the video.
  • FIG. 3 it is a schematic flowchart of canceling video distribution in the video publishing method provided by the embodiment of the present invention.
  • Step 201 Receive a cancel release request sent by the video provider, and cancel the URL including the video in the release request.
  • Step 202 Delete a mapping of the URL of the video to the actual storage address of the video.
  • Step 203 Send information to the video providing end that the unpublishing is successful.
  • the video provider wants to cancel the release of a certain video, it first needs to submit a cancellation request to the video management system, and the cancellation request should at least include the URL of the video, so that the video management system can search from the video storage server according to the URL of the video. And delete the mapping of the URL to the actual storage address of the video. After the video management system deletes the mapping relationship between the URL and the actual storage address of the video, the information about the unpublished success is returned to the video provider. At this time, if the video player requests the video storage server to play the video corresponding to the URL, the video storage The server returns a request for error information to the video player, that is, the user cannot continue to access the video through the original URL.
  • the mapping between the URL and the actual storage address is established when the video is released, and the mapping of the URL to the actual storage address is deleted when the publication is cancelled, which reduces the publishing overhead, and has better performance under the large concurrent access volume, that is, Said that the video management system can handle more video publishing requests and unpublishing requests at the same time under the same hardware conditions such as CPU and memory system.
  • FIG. 4 is a schematic structural diagram of a video distribution system, including:
  • the first receiving unit 301 is configured to receive a video publishing request sent by the video providing end, where the video publishing request includes an identifier of the video;
  • the searching unit 302 is configured to search for video provider information and source video information from the video storage server according to the video publishing request.
  • the mapping unit 303 is configured to generate a URL of the video according to the name of the video provider, the source video information, and the video, and establish a mapping relationship between the URL of the video and the actual storage address of the video, and save the mapping relationship to the video storage server.
  • the first sending unit 304 is configured to send information that the video is successfully posted to the video providing end.
  • the video distribution system provided by the embodiment of the present invention further includes:
  • the first transcoding unit 305 is configured to: before the mapping unit generates the URL of the video, encode and convert the video provider information and/or the source video information; and then notify the mapping unit to generate a URL of the video, where the URL of the video specifically includes the encoding Converted video provider information and/or encoded source video information.
  • the video distribution system provided by the embodiment of the present invention further includes:
  • the obtaining unit 306 is configured to obtain timestamp information before the mapping unit generates the URL of the video, and then notify the mapping unit to generate a URL of the video, where the URL of the video further includes timestamp information.
  • the video distribution system provided by the embodiment of the present invention further includes:
  • the second transcoding unit 307 is configured to: after the obtaining unit obtains the timestamp information, encode and convert the timestamp information; and then notify the mapping unit to generate a URL of the video, where the URL of the video specifically includes the encoded timestamp information.
  • the video provider can also cancel the video release according to the actual playback of the video.
  • the video distribution system provided by the embodiment of the present invention further includes:
  • the second receiving unit 308 is configured to: after the first sending unit sends the video publishing success information to the video providing end, receive the unpublishing request sent by the video providing end, and cancel the publishing request including the URL of the video;
  • the deleting unit 309 is configured to delete the mapping of the URL of the video to the actual storage address of the video.
  • the second sending unit 310 is configured to send the cancellation to the video providing end after the deleting unit deletes the mapping of the URL of the video to the actual storage address of the video. Post successful information.
  • the video publishing method and system provided by the embodiment of the present invention generate a video URL by using the name of the video provider, the source video information, and the video, and establish a mapping of the URL to the actual storage address of the video, so as to implement traffic statistics. Guarantee the security of video distribution, and reduce the video resolution overhead.
  • the embodiment of the present invention further provides a video playing method, as shown in FIG. 6 , which is a flowchart of a video playing method according to an embodiment of the present invention, including: Step 401, a video player
  • the video storage server sends a video play request, and the video play request includes a uniform resource locator URL of the video, so that the video storage server searches for the actual video corresponding to the video URL according to the mapping relationship between the URL of the saved video and the actual storage address of the video. Store the address and return the video stream of the video to the video player.
  • Step 402 The video player receives the video stream and collects the traffic information of the video.
  • Step 403 the video player provides the flow information, and the video included in the URL of the video.
  • the name of the person information, source video information and video is sent to the video management system.
  • the URL in the video playing method provided by the embodiment of the present invention may include the following two forms:
  • the URL includes three aspects: video provider information, source video information, and video name; (2) The URL includes video provider information, source video information, video name, and timestamp information.
  • the video management system may encode and convert the video provider information and/or the source video information and/or the time stamp information in the above two forms. If the scheme of the code conversion is adopted, the video The information contained in the URL is encoded and converted, and is no longer here - an explanation.
  • the video playing method provided by the embodiment of the present invention further includes:
  • the video management system receives the traffic information, the video provider information, the source video information, and the video name sent by the video player, and records the traffic information to the video provider database corresponding to the video provider information, and the source video corresponding to the source video information.
  • the video database corresponding to the name of the database.
  • the video management system may first record the traffic information in the database of the published video corresponding to the name of the video, and summarize the traffic information of the published video;
  • the traffic information is recorded in the source video database corresponding to the published video, and the traffic information of the plurality of posted videos transcoded by the source video is summarized.
  • the traffic information may be recorded in the video provider database corresponding to the source video, and the information is summarized. Traffic information for multiple source videos provided by the video provider.
  • the video management system first inversely converts the encoded video provider information, and then records the traffic information to the inverse conversion.
  • the video provider database corresponding to the subsequent video provider information.
  • the video management system first inversely converts the encoded source video information, and then The traffic information is recorded to the source video database corresponding to the inverse converted source video information.
  • the embodiment of the present invention further provides a video playing system (that is, the video player 20), as shown in FIG. 7, which is a structural schematic diagram of a video playing system, including:
  • the third sending unit 501 is configured to send a video play request to the video storage server 30, where the video play request includes a uniform resource locator URL of the video, so that the video storage server maps the URL of the saved video according to the actual storage address of the video. Relationship, find the actual storage address of the video corresponding to the URL of the video, and return the video stream of the video to the video player;
  • a statistical unit 502 configured to receive a video stream, and collect traffic information of the video
  • the fourth sending unit 503 is configured to send the traffic information, and the name of the video provider information, the source video information, and the video included in the URL of the video to the video management system 10.
  • an embodiment of the present invention further provides a video management system, which is shown in the figure.
  • FIG. 8 is a structural schematic diagram of the video management system, specifically including:
  • the third receiving unit 601 is configured to receive the traffic information, the video provider information, the source video information, and the name of the video sent by the video playing system.
  • the first recording unit 602 is configured to record the traffic information received by the third receiving unit to a video database corresponding to the name of the video;
  • the second recording unit 603 is configured to record the traffic information received by the third receiving unit to the source video database corresponding to the source video information;
  • the third recording unit 604 is configured to record the traffic information received by the third receiving unit to the video provider database corresponding to the video provider information.
  • the video management system further includes:
  • the first inverse conversion unit 605 is configured to perform inverse conversion on the encoded converted source video information, and then notify the second recording unit to record the flow information to the source video database corresponding to the inverse converted source video information.
  • the video management system further includes:
  • the second inverse conversion unit 606 is configured to perform inverse conversion on the video provider information, and then notify the third recording unit to record the traffic information to the video provider database corresponding to the inverse-converted video provider information.
  • the video playback method and system provided by the embodiment of the present invention enable the video player to directly report the traffic information to the video management system by using the URL without playing through the parsing of the video file header.
  • the method of the department obtains video provider information and source video information, which greatly reduces the resolution cost of the video and shortens the parsing time.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

L'invention concerne un procédé et un système de distribution de vidéos. Le procédé comporte les étapes consistant à : recevoir une demande de distribution de vidéos envoyée par une extrémité fournissant la vidéo, la demande de distribution de vidéos comprenant un identifiant de la vidéo ; rechercher des informations de fournisseur de vidéo et des informations de vidéo source en provenance d'un serveur de stockage de vidéos en fonction de la demande de distribution de vidéos ; générer un URL de la vidéo en fonction des informations de fournisseur de vidéo, des informations de vidéo source et du titre de la vidéo, établir une relation de correspondance de l'URL à l'adresse réelle de stockage de la vidéo et sauvegarder la relation de correspondance dans le serveur de stockage de vidéos ; et envoyer des informations concernant la distribution réussie de la vidéo à l'extrémité fournissant la vidéo. Sur la base du procédé et du système de la solution décrite ci-dessus, l'invention concerne également un procédé et un système de lecture de vidéos. Au moyen des procédés et des systèmes de la présente invention, non seulement la sécurité de la distribution de vidéos peut être assurée, mais la surcharge de la résolution des vidéos peut également être réduite dans les statistiques de trafic.
PCT/CN2011/084735 2011-12-27 2011-12-27 Procédé et système de distribution de vidéos et procédé et système de lecture de vidéos WO2013097091A1 (fr)

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CN201180003109.5A CN103503486B (zh) 2011-12-27 2011-12-27 一种视频发布方法及系统、视频播放方法及系统
PCT/CN2011/084735 WO2013097091A1 (fr) 2011-12-27 2011-12-27 Procédé et système de distribution de vidéos et procédé et système de lecture de vidéos

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