WO2012075842A1 - 流媒体视频内容的播放方法和装置 - Google Patents

流媒体视频内容的播放方法和装置 Download PDF

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Publication number
WO2012075842A1
WO2012075842A1 PCT/CN2011/079403 CN2011079403W WO2012075842A1 WO 2012075842 A1 WO2012075842 A1 WO 2012075842A1 CN 2011079403 W CN2011079403 W CN 2011079403W WO 2012075842 A1 WO2012075842 A1 WO 2012075842A1
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WO
WIPO (PCT)
Prior art keywords
video content
frame
played
streaming
playing
Prior art date
Application number
PCT/CN2011/079403
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English (en)
French (fr)
Inventor
甘漠
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 EP11846939.4A priority Critical patent/EP2597885A4/en
Publication of WO2012075842A1 publication Critical patent/WO2012075842A1/zh
Priority to US13/781,074 priority patent/US20130179547A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/764Media network packet handling at the destination 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005Reproducing at a different information rate from the information rate of recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/432Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47217End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/858Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/783Adaptations for reproducing at a rate different from the recording rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Definitions

  • the present invention relates to video playback technologies, and in particular, to a method and apparatus for playing streaming media video content. Background technique
  • Internet video refers to a media server or a download server that deploys the Internet, and sends the Internet video content to the terminal player when requested by the terminal player, and the terminal player decodes the broadcasted service. Users can experience different video playback services such as on-demand and live broadcast on various terminals such as personal computers and mobile phones.
  • HTTP Streaming has gradually become the mainstream network transmission protocol.
  • HTTP Streaming specifications such as Microsoft, Apple, 3GPP, OIPF, etc., which define their respective HTTP Streaming specifications.
  • video content is required to be stored on the server side in a fragmented manner; moreover, when streaming video content is played, the server and the terminal player are interactively akin.
  • the method for playing streaming video content in the prior art is: the terminal player sends a description file request, the server receives the description file request and returns a corresponding description file; after receiving the description file, the terminal player requests the server to correspond to the fragment corresponding to the description file.
  • the server receives the request for the corresponding fragment, and returns the corresponding fragment; the terminal player decodes and plays the corresponding fragment.
  • the description file describes files corresponding to different code rates and different resolutions, and which fragments are composed of each description file, and the start time and duration of each slice, corresponding playback and download uniform resource locators (Uniform I) Universal Resource Locator , URL) and other information.
  • the inventors have found that in the prior art video positioning seek operation, after pressing the time progress bar, the user can see the time point at which the current time progress bar is dragged, but the current time cannot be seen.
  • Embodiments of the present invention provide a method and apparatus for playing streaming media video content, which can quickly and intuitively locate a screen that a user desires to see when the video is positioned.
  • a method for playing a streaming video content including: acquiring a video positioning seek time of a streaming video content to be played; acquiring the video from an I frame included in the streaming video content to be played Positioning the target I frame corresponding to the seek time; playing the target I frame.
  • a method for playing a streaming media video content including: acquiring service information for video playback, wherein the service information includes preview information and multi-chapter information of the streaming media video content; The service information is obtained by acquiring an I frame included in the streaming video content to be played; playing the I frame.
  • a playback device for streaming video content including: a video positioning seek time acquisition module, configured to acquire a video positioning seek time of the streaming video content to be played;
  • a target I frame obtaining module configured to acquire, from an I frame included in the streaming media video content to be played, a target I frame corresponding to a video positioning seek time acquired by the video positioning seek time acquiring module;
  • the target I frame playing module is configured to play the target I frame acquired by the target I frame acquiring module.
  • a playback device for streaming video content including: a service information acquisition module, configured to acquire service information for video playback, where the service information includes preview information and multi-chapter information of the streaming media video content. ;
  • a second I frame obtaining module configured to acquire, according to the service information of the video playing by the service information acquiring module, an I frame included in the streaming media video content to be played;
  • a second playing module configured to play the I frame acquired by the second I frame acquiring module.
  • the method and device for playing streaming video content obtained by the embodiment of the present invention obtains a target I frame corresponding to the seek time of the video and plays it, so that the terminal player can not only see the time progress bar when the video is positioned for seek. At the time of arrival, you can also see the picture at the time point, which can quickly and intuitively locate the picture that the user expects to see.
  • the embodiment of the present invention solves the problem in the prior art that when the video is positioned for seek, the user can only see the time point when the current time progress bar is dragged after pressing the time progress bar, and the current time progress bar cannot be seen.
  • FIG. 1 is a flow chart of a method for playing streaming media video content according to Embodiment 1 of the present invention
  • FIG. 2 is a flow chart of a method for playing streaming media video content according to Embodiment 2 of the present invention
  • FIG. 3 is a flowchart of a method for playing streaming media video content according to Embodiment 3 of the present invention
  • 4 is a schematic structural diagram of a device for playing streaming media video content according to Embodiment 4 of the present invention
  • FIG. 5 is a schematic structural diagram of a target I frame acquiring module in a streaming media video content playing apparatus according to Embodiment 4 of the present invention.
  • FIG. 6 is a second schematic structural diagram of a streaming video content playing device according to Embodiment 4 of the present invention.
  • FIG. 7 is a schematic structural diagram of a first I frame acquiring module in a streaming media video content playing apparatus according to Embodiment 4 of the present invention.
  • FIG. 8 is a schematic structural diagram 3 of a device for playing a streaming media video content according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic structural diagram of a playback device for streaming video content according to Embodiment 5 of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the technical scope of the present invention.
  • the embodiment of the present invention provides a method and apparatus for playing streaming video content.
  • a method for playing streaming video content according to Embodiment 1 of the present invention includes:
  • Step 101 Obtain a video positioning seek time of the streaming media video content to be played.
  • the terminal player may perform a video positioning seek operation during playback of the streaming video content to be played or paused.
  • step 101 is performed to obtain a video positioning seek time of the streaming media video content to be played. .
  • Step 102 Acquire a target I frame corresponding to the video positioning seek time from the I frame included in the streaming video content to be played.
  • step 102 obtains an I frame corresponding to the video positioning seek time, and may directly obtain a target I frame corresponding to the video positioning seek time from the server; or may acquire all the I frames included in the streaming video content to be played in advance. And cached locally, and obtain the target I frame corresponding to the seek time of the video from the local.
  • Step 103 Play the target I frame.
  • the user can obtain the video positioning seek time after pressing the time progress bar, obtain the target I frame corresponding to the video positioning seek time according to the video positioning seek time, and play the target.
  • I frame the terminal player can not only display the time point when the current time progress bar is dragged, but also display the time point of the current time progress bar dragging, which is convenient for the user to perform video positioning seek operation, and can quickly and intuitively locate To the picture that the user expects to see
  • the method for playing the streaming video content obtained by the embodiment of the present invention obtains the target I frame corresponding to the video positioning seek time and plays it, so that the terminal player can not only see the time progress bar dragged when the video is positioned in the seek. At the time point, you can also see the picture at the time point, which can quickly and intuitively locate the picture that the user expects to see.
  • the embodiment of the present invention solves the problem in the prior art that when the video is positioned for seek, the user can only see the time point when the current time progress bar is dragged after pressing the time progress bar, and the current time progress bar cannot be seen.
  • the method for playing the streaming video content provided by the first embodiment of the present invention is further improved. As shown in FIG. 2, the streaming video content provided by the second embodiment of the present invention is provided.
  • the playing method, the specific steps may include:
  • Step 201 Acquire an I frame included in the streaming video content to be played.
  • step 201 is performed to obtain the I frame included in the streaming media video content to be played; or the terminal may cache enough fragments and cache the next segment.
  • step 201 is performed to obtain an I frame included in the streaming video content to be played.
  • step 201 may not download all the I frames included in the streaming video content to be played at one time.
  • the number of subsequent fragments sent by the terminal player receiving server is set to 2.
  • the terminal player controls to receive the n+2 fragment and does not receive immediately.
  • the n+3 slice will continue to be received only after the user starts playing the n+1th slice. There is idle time between the reception of the n+2 slice and the reception of the n+3 slice. If the current step 201 has received the I frame of the n+m slice, the current nth slice is completed, and after receiving the n+3 slice sent by the server, the n+m+ sent by the server is continuously received. 1 sliced I frame.
  • step 201 may only obtain the start I frame included in the streaming media video content to be played.
  • the time to get the starting I frame contained in the streaming video content to be played is relatively short.
  • a 1-hour transmission rate of 500 kilobits per second (kbps) is taken as an example. If there is one slice every 10 seconds, the sum of the sizes of all the fragmented I frames is 2.25. Megabytes (M), then it takes 36 seconds to receive all the fragmented I frames, which is very short. Even if the request for different fragments needs to be sent multiple times to request a profile request, all fragmented I frames can still be received in a short time.
  • the step 201 is to obtain the I frame included in the streaming media content to be played, which may include: I. Send I frame request information to the server, where the I frame request information includes a uniform resource locator URL for identifying an I frame belonging fragment and a byte range corresponding to the I frame.
  • the uniform resource locator URL may cause the server to locate the fragment to which the I frame belongs, and the byte range corresponding to the I frame may enable the terminal player to obtain the required I frame from the fragment.
  • the I frame included in the streaming video content corresponding to the I frame request information sent by the receiving server 1.
  • Step 202 Store an I frame included in the streaming video content to be played.
  • step 202 may use a separate I frame file to store the I frame included in the streaming media video content to be played; or may store the I frame included in the video content to be played and the streaming video content to be played as the same file.
  • Step 203 Obtain a video positioning seek time of the streaming media video content to be played.
  • the terminal player may perform a video positioning seek operation during the playback of the streaming video content to be played or paused.
  • step 203 is performed to obtain the search time of the streaming video content to be played.
  • Step 204 Obtain a duration of any one of the fragments corresponding to the streaming video content to be played.
  • the streaming media video content to be played may correspond to multiple shards, and the duration of each shard is generally the same. Therefore, step 204 can obtain the duration of any one of the fragments corresponding to the streaming video content to be played.
  • Step 205 Determine a target I frame according to a duration of the fragment corresponding to the streaming video content to be played and a video positioning seek time.
  • step 205 may determine the target I frame by dividing the video positioning seek time by the duration of the fragment corresponding to the streaming video content to be played.
  • Step 206 Play the target I frame.
  • the foregoing steps may be performed on a video Position the seek operation, and when the video is positioned to seek, not only can you see the time that the time progress bar is dragged, but you can also see the screen corresponding to the time that the time progress bar is dragged.
  • the fast forward or fast reverse operation can also be performed.
  • the embodiment may further include:
  • Step 207 Calculate a playback speed of the I frame included in the streaming video content to be played.
  • step 207 may first obtain a speed multiplier of video playback during fast forward or rewind, and obtain a duration of any one of the segments corresponding to the streaming video content to be played, and then divide the duration by The speed multiplier obtains a playback speed of the I frame included in the streaming media video content to be played.
  • Step 208 Play the I frame included in the streaming video content to be played forward or backward at the playback speed.
  • the terminal player plays the I frame included in the streaming media video content to be played in the forward playback speed calculated in step 207, and performs fast playback of the streaming video content.
  • the terminal player reversely plays the I frame included in the streaming video content to be played at the playback speed calculated in step 207, and performs a fast rewind operation in the playback of the streaming video content.
  • step 208 is performed to calculate the playing speed of the I frame included in the streaming video content to be played in step 207, and play the I frame included in the streaming video content to be played in the forward or reverse direction.
  • the user can obtain the video positioning seek time after pressing the time progress bar, obtain the I frame corresponding to the video positioning seek time according to the video positioning seek time, and play the I frame, and the terminal player can not only The time point at which the current time progress bar is dragged is displayed, and the time point at which the current time progress bar is dragged is displayed, which is convenient for the user to perform a video positioning seek operation, and can quickly and intuitively locate the picture that the user desires to see.
  • the video when the video is located seek, only the target I frame is acquired, and the target is not acquired. All the I frames included in the video content can also be used to see the time point when the time progress bar is dragged.
  • the method for playing the streaming media video content obtains the target I frame corresponding to the video positioning seek time from the I frame included in the streaming media video content to be played, and plays the same, so that the terminal player is positioned in the video.
  • the embodiment of the present invention solves the problem in the prior art that when the video is positioned for seek, the user can only see the time point when the current time progress bar is dragged after pressing the time progress bar, and the current time progress bar cannot be seen.
  • the time point of the screen there is a certain delay between the time when the user releases the time progress bar and the time point at which the current time progress bar is dragged. The user needs to keep trying to locate the user expecting to see. The problem with the picture.
  • the method for playing the streaming video content provided by the embodiment of the present invention can also be used for other related services, such as the preview service of the streaming video content and the multi-chapter service of the streaming video content.
  • the playing method of the media video content, as shown in FIG. 3, may further include:
  • Step 301 Obtain service information of video playback, where the service information includes preview information and multi-chapter information of the streaming media video content to be played.
  • step 301 acquires the preview information of the streaming video content of interest.
  • the user may perform step 301 to obtain multiple chapter information of the video playback according to the content of the video to be played.
  • the multi-chapter information may include: a number of chapters that the user wishes to separate the content of the video to be played.
  • Step 302 Acquire an I frame included in the content of the streaming media video to be played according to the service information played by the video.
  • the preview information may include: a preview indication of the streaming media video content, The preview indicates that the corresponding streaming video content is the streaming video content to be played; the multi-chapter information may include: a total duration of the streaming video content, and a number of chapters of the streaming video content division.
  • Step 302 According to the preview information of the streaming media video content, the streaming media video content to be played may be determined, so as to obtain the I frame included in the streaming media video content to be played, in order to save time for the terminal player to obtain the I frame, only the time may be obtained.
  • the streaming video content to be played corresponds to the starting I frame of the slice.
  • step 302 may determine, according to the multi-chapter information of the video content of the streaming media, the corresponding content of the video content included in each chapter, obtain the I frame of each chapter according to the fragment, or obtain only the initial I frame of each chapter. User preview.
  • the process of obtaining the I frame included in the video content of the streaming media in step 302 may include:
  • I. Sending I frame request information to the server, where the I frame request information includes a uniform resource locator URL for identifying an I frame belonging fragment and a byte range corresponding to the I frame;
  • the I frame included in the streaming video content corresponding to the I frame request information sent by the receiving server 1.
  • Step 303 playing an I frame.
  • the user after performing the step 303 to play the I frame, the user can determine whether to play the normal streaming video content according to the previewed streaming video content or according to the preview information of the multi-chapter start screen.
  • the method for playing the streaming media video content can implement the preview service of the streaming media video content: when the user previews the video content, the terminal player may not receive the preview content segment, but only receive the preview content segment.
  • the I frame can preview the video content during playback of the streaming video content; the user can determine whether to perform normal video playback according to the preview I frame file, and does not need to specifically create a preview file for the video content, and realize the video content. Preview business. It can also realize multi-chapter service of streaming video playback: According to user needs, the video content is divided into multiple chapters, and for each chapter The I frame is made into a poster for the user to select to play a certain chapter normally.
  • the device for playing streaming video content provided by the fourth embodiment of the present invention, as shown in FIG. 4, includes:
  • the video positioning seek time obtaining module 401 is configured to obtain a video positioning seek time of the streaming video content to be played.
  • the terminal player may perform a video positioning seek operation during playback of the streaming video content to be played or paused.
  • the video positioning seek time obtaining module 401 is used to obtain the streaming video content to be played. Video positioning seek time.
  • the target I frame obtaining module 402 is configured to obtain, from the I frame included in the streaming media video content to be played, the target I frame corresponding to the video positioning seek time acquired by the video positioning seek time acquiring module.
  • the target I frame obtaining module 402 may directly acquire the target I frame corresponding to the video positioning seek time from the server; or may acquire all the I frames included in the streaming media video content to be played in advance, and cache the local I frame. Locally acquire the target I frame corresponding to the video positioning seek time.
  • the target I frame playing module 403 is configured to play the acquired target I frame.
  • the video positioning seek time obtaining module 401 can obtain the video positioning seek time, and the target I frame acquiring module 402 obtains the seek time according to the video positioning.
  • the video locates the target I frame corresponding to the seek time, and uses the target I frame playback module to play the target I frame; the terminal player can not only display the time point when the current time progress bar is dragged, but also display the current time progress bar dragged to
  • the time point picture is convenient for the user to perform the video positioning seek operation, and can quickly and intuitively locate the picture that the user desires to see.
  • the target I frame obtaining module 402 may include: a fragmentation duration acquisition submodule 4021, configured to acquire a streaming media content pair to be played. The length of any shard that should be.
  • the streaming media video content to be played may correspond to multiple shards, and the duration of each shard is generally the same. Therefore, the fragmentation duration acquisition sub-module 4021 can obtain the duration of any fragment corresponding to the streaming video content to be played, wherein each fragmentation duration is the same.
  • the target I frame determining sub-module 4022 is configured to determine the target I frame according to the duration of the fragment obtained by the sub-module acquired by the fragmentation duration and the video positioning seek time.
  • the target I frame determining sub-module 4022 may determine the target I frame by dividing the video positioning seek time by the duration of the fragment corresponding to the streaming video content to be played.
  • the playback device for streaming video content provided in this embodiment may further include:
  • the first I frame obtaining module 404 is configured to obtain the content of the streaming media content to be played.
  • the first I frame acquiring module 404 before the terminal player starts playing the streaming media video content, the first I frame acquiring module 404 is used to obtain the I frame included in the streaming media video content to be played; or the terminal player may buffer enough. In the idle time of fragmenting and buffering the next fragment, the first I frame obtaining module 404 acquires the I frame included in the streaming video content to be played. In this embodiment, the first I frame obtaining module 404 may not download all the I frames included in the streaming video content to be played at one time.
  • the number of subsequent fragments sent by the receiving server is set to
  • the terminal player controls not receiving the n+3 slice immediately after receiving the n+2 slice, and the user will continue to receive only after the user starts playing the n+1 slice.
  • the n+3 slice There is idle time between receiving the n+2 slice and receiving the n+3 slice. If the current first frame acquisition module 404 has received the i+m fragment of the I frame, the current nth slice is completed, and after receiving the n+3 slice sent by the server, the receiving server continues to send the message. I frame of the n+m+1 slice.
  • the first I frame obtaining module 404 may only acquire the starting I frame included in the streaming media video content to be played.
  • the time for obtaining the initial I frame included in the streaming video content to be played is relatively short.
  • the time for obtaining the initial I frame included in the streaming video content to be played is relatively short.
  • the current home network bandwidth taking a 1-hour transmission rate of 500 kilobits per second (kbops) as an example, if there is one slice every 10 seconds, the sum of the sizes of all the fragmented I frames is 2.25. Megabytes (M), then it takes 36 seconds to receive all the fragmented I frames, which is very short. Even if it is necessary to send a profile request multiple times in consideration of requesting different slices, the reception of all sliced I frames can be completed in a short time.
  • kbops kilobits per second
  • the storage module 405 is configured to store an I frame included in the streaming video content to be played by the I frame acquiring module.
  • the storage module 405 may use a separate I frame file to store the I frame included in the streaming media content to be played, or may store the I frame included in the video content to be played and the streaming video content to be played as The same file.
  • the first I frame obtaining module 404 may further include: a request sending submodule 4041, configured to send I frame request information to the server, where
  • the I frame request information includes a uniform resource locator for identifying an I frame belonging fragment and a byte range corresponding to the I frame.
  • the uniform resource locator URL may cause the server to locate the fragment to which the I frame belongs, and the byte range corresponding to the I frame may enable the terminal player to obtain the required I frame from the fragment.
  • the I frame receiving submodule 4042 is configured to receive an I frame included in the streaming video content corresponding to the I frame request information sent by the server.
  • the playback device of the streaming video content provided in this embodiment may further include:
  • the play speed calculation module 406 is configured to calculate a play speed of the I frame included in the streaming media video content to be played.
  • the play speed acquisition module 406 can include a first acquisition submodule and a calculation submodule.
  • the first obtaining sub-module is configured to obtain a speed multiplier of the video playback during the fast forward or fast rewind, and obtain a duration of any one of the fragments corresponding to the streaming video content to be played; and a calculation submodule, which is used for acquiring The duration is divided by the speed multiplier to obtain the playback speed of the I frame included in the streaming video content to be played.
  • the first I frame playing module 407 is configured to play the I frame included in the streaming media content to be played in the forward or reverse direction at the playback speed acquired by the playback speed acquisition module.
  • the terminal player when the user performs the fast forward operation, uses the playback speed calculated by the playback speed calculation module 406 to play the I frame included in the streaming video content to be played, and plays the streaming video content.
  • the terminal player uses the playback speed calculated by the playback speed calculation module 406 to reversely play the I frame included in the streaming video content to be played, and plays the streaming video content. Rewind operation in the middle.
  • the first I frame playing module 407 plays the I frame included in the streaming media content to be played in the forward or reverse direction of the playback speed calculated by the playback speed calculation module 406, and when the user needs to view the screen, Can get normal playback information, play streaming video content at normal speed
  • the device for playing streaming video content acquires a target I frame corresponding to the video positioning seek time by using the target I frame acquiring module, and plays the target I frame by using the target I frame playing module, so that the terminal player is positioned in the video.
  • the embodiment of the present invention solves the problem in the prior art that when the video is positioned for seek, the user can only see the time point when the current time progress bar is dragged after pressing the time progress bar, and the current time progress bar cannot be seen.
  • the time point of the screen there is a certain delay between the time when the user releases the time progress bar and the time point at which the current time progress bar is dragged. The user needs to keep trying to locate the user expecting to see. The problem with the picture.
  • the playback device of the streaming video content may further include:
  • the service information obtaining module 901 is configured to obtain service information for video playback, where the service information includes preview information and multi-chapter information of the streaming media video content.
  • the service information obtaining module 901 may include: a preview information acquiring submodule and a multi-chapter information obtaining submodule.
  • the preview information acquisition sub-module is used for previewing the streaming video content, and the preview indicates that the corresponding streaming video content is the streaming video content to be played;
  • the multi-chapter information obtaining sub-module is configured to obtain the total of the streaming video content. Duration, and the number of chapters in which streaming video content is divided.
  • the streaming media video content to be played may be determined, so as to obtain the I frame included in the streaming media video content to be played, in order to save time for the terminal player to obtain the I frame, only the waiting time may be obtained.
  • the played streaming video content corresponds to the starting I frame of the slice.
  • the service information obtaining module 901 may determine, according to the multi-chapter information of the streaming media content, the corresponding content of the video content included in each chapter, and obtain the I frame of each chapter according to the fragment, or may only obtain the start of each chapter. I frames are previewed by the user.
  • the second I frame obtaining module 902 is configured to obtain, according to the service information of the video broadcast acquired by the service information acquiring module, an I frame included in the video content of the streaming media to be played;
  • the second I frame obtaining module 902 can obtain the I frame included in the streaming media video content according to the preview information of the streaming media video content, and can only obtain the streaming media in order to save the time for the terminal player to obtain the I frame.
  • the video content corresponds to the starting I frame of the slice.
  • the second I frame obtaining module 902 may obtain the I frame of each chapter according to the multiple chapter information of the streaming media video content, or may only obtain the starting I frame of each chapter for the user to preview.
  • the second I frame obtaining module 902, as shown in FIG. 7, may further include: a request sending submodule 4041, configured to send I frame request information to the server, where the I frame request information is included a uniform resource locator for identifying an I frame belonging fragment and a byte range corresponding to the I frame;
  • the I frame receiving submodule 4042 is configured to receive an I frame included in the streaming video content corresponding to the I frame request information sent by the server.
  • the second playing module 903 is configured to play the I frame acquired by the second I frame acquiring module.
  • the user can determine whether to play the normal streaming video content according to the previewed streaming video content or according to the preview information of the multi-chapter start screen.
  • the playback device of the streaming media video content can implement the preview service of the streaming media video content: when the user previews the video content, the terminal player may not receive the preview content segment, but only receive the preview content segment.
  • the I frame can preview the video content during playback of the streaming video content; the user can determine whether to perform normal video playback according to the preview I frame file, and does not need to specifically create a preview file for the video content, and realize the video content. Preview business. It can also realize multi-chapter service of streaming video playback: According to the user's needs, the video content is divided into multiple chapters, and the I frame of each chapter is made into a poster, so that the user can choose to play a certain chapter normally.
  • the method and device for playing streaming video content obtained by the embodiment of the present invention obtains a target I frame corresponding to the seek time of the video and plays it, so that the terminal player can not only see the time progress bar when the video is positioned for seek. At the time of arrival, you can also see the picture at the time point, which can quickly and intuitively locate the picture that the user expects to see.
  • the embodiment of the present invention solves the problem in the prior art that when the video is positioned for seek, the user can only see the time point when the current time progress bar is dragged after pressing the time progress bar, and the current time progress bar cannot be seen.
  • the method and device for playing streaming media video content may use various network transmission protocols such as HTTP, HTTP Streaming, TCP, UDP, etc., and are applicable to various terminals such as computers and mobile phones.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented directly in hardware, a software module executed by a processor, or a combination of both.
  • the software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.
  • RAM random access memory
  • ROM read only memory
  • electrically programmable ROM electrically erasable programmable ROM
  • registers hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)

Description

流媒体视频内容的播放方法和装置 技术领域
本发明涉及视频播放技术, 尤其涉及一种流媒体视频内容的播放 方法和装置。 背景技术
互联网视频是指通过部署互联网的媒体服务器或下载服务器, 在 终端播放器请求时将互联网视频内容发送到终端播放器, 由终端播放 器解码播放的业务。 用户可以在个人电脑、 手机等多种终端上体验点 播、 直播等不同的视频播放业务。
随着互联网视频播放技术的发展, 可以使用多种网络传输协议规 范来实现服务器和终端播放器间视频内容的传输。 其中, HTTP Streaming逐步成为主流的网络传输协议, 目前有多种 HTTP Streaming 规范, 例如 Microsoft , Apple , 3GPP、 OIPF等都定义了各自的 HTTP Streaming规范。 无论哪种网络传输协议规范, 为了实现动态的码率调 整, 都要求视频内容以分片的方式在服务器侧存放; 而且, 在流媒体 视频内容的播放时, 服务器和终端播放器在交互上是类似的。
现有技术播放流媒体视频内容的方法是: 终端播放器发送描述文 件请求, 服务器接收描述文件请求并返回对应的描述文件; 终端播放 器接收到描述文件后, 向服务器请求描述文件对应的分片, 服务器接 收到对应分片的请求, 返回对应的分片; 终端播放器解码播放对应的 分片。 其中, 描述文件描述了不同码率和不同分辨率对应的文件, 以 及每个描述文件由哪些分片组成和每个分片的开始时间、 时长、 对应 的播放和下载统一资源定位符 ( Uniform I Universal Resource Locator , URL ) 等信息。
在实现本发明的过程中, 发明人发现, 现有技术在视频定位 seek操 作时, 用户在按下时间进度条后, 可以看到当前时间进度条拖动到的时 间点, 但看不到当前时间进度条拖动到的时间点的画面; 用户松开时间 进度条, 发送对应的分片请求与接收到对应的分片期间, 仍然看不到当 前时间进度条拖动到的时间点的画面, 只有请求到对应的分片, 才能看 到当前进度条拖动到的时间点的画面。 因此, 需要不停的尝试才能定位 到用户期望看到的画面。 发明内容
本发明的实施例提供一种流媒体视频内容的播放方法和装置, 在 视频定位 seek时, 能够快速直观准确的定位到用户期望看到的画面。
一方面, 提供一种流媒体视频内容的播放方法, 包括: 获取待播 放的流媒体视频内容的视频定位 seek时间; 从所述待播放的流媒体视 频内容包含的 I帧中, 获取所述视频定位 seek时间对应的目标 I帧; 播放所述目标 I帧。
另一方面, 提供了一种流媒体视频内容的播放方法, 包括: 获取 视频播放的业务信息,其中,所述业务信息包含流媒体视频内容的预览 信息和多章节信息; 根据所述视频播放的业务信息,获取待播放的流媒 体视频内容包含的 I帧; 播放所述 I帧。
再一方面, 提供了一种流媒体视频内容的播放装置, 包括: 视频定位 seek时间获取模块, 用于获取待播放的流媒体视频内容 的视频定位 seek时间;
目标 I帧获取模块,用于从所述待播放的流媒体视频内容包含的 I 帧中,获取所述视频定位 seek时间获取模块获取的视频定位 seek时间 对应的目标 I帧; 目标 I帧播放模块, 用于播放所述目标 I帧获取模块获取的目标 I 帧。
又一方面, 提供了一种流媒体视频内容的播放装置, 包括: 业务信息获取模块,用于获取视频播放的业务信息,其中,所述业务 信息包含流媒体视频内容的预览信息和多章节信息;
第二 I 帧获取模块, 用于根据所述业务信息获取模块获取的视频 播放的业务信息,获取待播放的流媒体视频内容包含的 I帧;
第二播放模块, 用于播放所述第二 I帧获取模块获取的 I帧。
本发明实施例提供的流媒体视频内容的播放方法和装置, 通过获取 视频定位 seek时间对应的目标 I帧, 并播放, 使终端播放器在视频定位 seek时, 不仅能看到时间进度条拖动到的时间点, 还能看到时间点的画 面, 能够快速直观准确的定位到用户期望看到的画面。 本发明实施例解 决了现有技术中, 视频定位 seek时, 用户在按下时间进度条后, 只能看 到当前时间进度条拖动到的时间点, 看不到当前时间进度条拖动到的时 间点的画面, 在用户松开时间进度条与看到当前时间进度条拖动到的时 间点的画面之间, 有一定的时延, 用户需要不停的尝试才能定位到用户 期望看到的画面的问题。 附图说明
图 1为本发明实施例一提供的流媒体视频内容的播放方法的流程 图;
图 2为本发明实施例二提供的流媒体视频内容的播放方法的流程 图;
图 3为本发明实施例三提供的流媒体视频内容的播放方法的流程 图; 图 4为本发明实施例四提供的流媒体视频内容的播放装置的结构 示意图;
图 5为图 4所示的本发明实施例四提供的流媒体视频内容的播放 装置中目标 I帧获取模块的结构示意图;
图 6为本发明实施例四提供的流媒体视频内容的播放装置的结构 示意图二;
图 7为图 6所示的本发明实施例四提供的流媒体视频内容的播放 装置中第一 I帧获取模块的结构示意图;
图 8为本发明实施例四提供的流媒体视频内容的播放装置的结构 示意图三;
图 9为本发明实施例五提供的流媒体视频内容的播放装置的结构示 意图。 具体实施方式 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方 案进行清楚、 完整的描述, 显然, 所描述的实施例仅仅是本发明的一 部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域 普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施 例, 都属于本发明保护的技术范围。
为了解决现有技术在视频定位 seek时, 不能快速直观准确的定位 到用户期望看到的画面的问题, 本发明实施例提供一种流媒体视频内 容的播放方法和装置。
如图 1所示,本发明实施例一提供的流媒体视频内容的播放方法, 包括:
步骤 101 , 获取待播放的流媒体视频内容的视频定位 seek时间。 在本实施例中, 终端播放器在播放待播放的流媒体视频内容或者 暂停的过程中, 可以实施视频定位 seek操作, 此时执行步骤 101 , 获 取待播放的流媒体视频内容的视频定位 seek时间。
步骤 102 ,从待播放的流媒体视频内容包含的 I帧中, 获取视频定 位 seek时间对应的目标 I帧。
在本实施例中, 步骤 102获取视频定位 seek时间对应的 I帧, 可 以直接从服务器获取视频定位 seek时间对应的目标 I帧; 也可以预先 获取待播放的流媒体视频内容包含的所有 I 帧, 并緩存到本地, 从本 地获取视频定位 seek时间对应的目标 I帧。
步骤 103 , 播放目标 I帧。
在本实施例中, 用户如果进行视频定位 seek操作, 用户在按下时 间进度条后, 可以获取视频定位 seek时间, 根据视频定位 seek时间, 获取视频定位 seek时间对应的目标 I帧, 并播放目标 I帧, 终端播放 器不仅能显示当前时间进度条拖动到的时间点, 还能显示当前时间进 度条拖动到的时间点的画面, 方便用户进行视频定位 seek操作, 能够 快速直观准确的定位到用户期望看到的画面
本发明实施例提供的流媒体视频内容的播放方法, 通过获取视频 定位 seek时间对应的目标 I帧,并播放,使终端播放器在视频定位 seek 时, 不仅能看到时间进度条拖动到的时间点, 还能看到时间点的画面, 能够快速直观准确的定位到用户期望看到的画面。 本发明实施例解决 了现有技术中, 视频定位 seek时, 用户在按下时间进度条后, 只能看 到当前时间进度条拖动到的时间点, 看不到当前时间进度条拖动到的 时间点的画面, 在用户松开时间进度条与看到当前时间进度条拖动到 的时间点的画面之间, 有一定的时延, 用户需要不停的尝试才能定位 到用户期望看到的画面的问题。 频内容的播放方法, 在本发明的实施例二中, 对本发明实施例一提供 的流媒体视频内容的播放方法做进一步改进, 如图 2所示, 本发明实 施例二提供的流媒体视频内容的播放方法, 具体步骤可以包括:
步骤 201 , 获取待播放的流媒体视频内容包含的 I帧。
在本实施例中,可以在终端播放器开始播放流媒体视频内容之前, 执行步骤 201 , 获取待播放的流媒体视频内容包含的 I帧; 也可以在终 端緩存到足够分片与緩存下一分片的空闲时间里, 执行步骤 201 , 获 取待播放的流媒体视频内容包含的 I帧。 在本实施例中, 步骤 201可 以不一次性下载完待播放的流媒体视频内容包含的所有 I帧。
例如: 在本实施例中, 设置终端播放器接收服务器发送的后续分 片的个数为 2 , 当用户播放第 n分片时, 终端播放器控制接收第 n+2 分片后不会立即接收第 n+3分片, 只有用户开始播放第 n+1分片后, 才会继续接收第 n+3分片。 在接收到第 n+2分片与接收第 n+3分片之 间, 有空闲时间。 如果当前步骤 201 已接收到第 n+m分片的 I帧, 则 在当前第 n分片播放完成, 接收完服务器发送的第 n+3分片后, 继续 接收服务器发送的第 n+m+1分片的 I帧。
在本实施例中, 为了节省终端播放器获取 I 帧的时间, 步骤 201 可以只获取待播放的流媒体视频内容包含的起始 I帧。 获取待播放的 流媒体视频内容包含的起始 I 帧的时间比较短。 对目前家庭网络带宽 而言,以一个 1小时传输速率为 500千位 /秒( kilobits per second , kbps ) 为例, 如果每 10秒一个分片, 则所有分片 I帧的大小的总和为 2.25 兆字节 (M ) , 那么接收完所有分片的 I帧需要 36秒, 时间很短。 即 使考虑到请求不同分片需要多次发送描述文件请求, 仍然可以在短时 间内完成所有分片 I帧的接收。
在本实施例中, 步骤 201 获取待播放的流媒体视频内容包含的 I 帧, 可以包括: 一、 向服务器发送 I帧请求信息,其中, I帧请求信息包含用于识别 I帧归属分片的统一资源定位符 URL和 I帧对应的字节范围。
在本实施例中, 统一资源定位符 URL可以使服务器定位到 I帧归 属的分片, I帧对应的字节范围可以使终端播放器从该分片中获取所需 的 I帧。
二、 接收服务器发送的 I 帧请求信息对应的流媒体视频内容包含 的 I帧。
步骤 202 , 存储待播放的流媒体视频内容包含的 I帧。
在本实施例中, 步骤 202可以使用单独 I帧文件存储待播放的流 媒体视频内容包含的 I帧; 或者可以将待播放的视频内容包含的 I帧 与待播放的流媒体视频内容存储为同一文件。
步骤 203 , 获取待播放的流媒体视频内容的视频定位 seek时间。 在本实施例中, 终端播放器在播放待播放的流媒体视频内容或者 暂停的过程中, 可以实施视频定位 seek操作, 此时执行步骤 203 , 获 取待播放的流媒体视频内容的搜索时间。
步骤 204 , 获取待播放的流媒体视频内容对应的任意一个分片的 时长。
在本实施例中, 待播放的流媒体视频内容可以对应多个分片, 各 个分片的时长一般相同。 因此, 步骤 204可以获取待播放的流媒体视 频内容对应的任意一个分片的时长。
步骤 205 , 根据待播放的流媒体视频内容对应的分片的时长和视 频定位 seek时间, 确定目标 I帧。
在本实施例中, 步骤 205可以使用视频定位 seek时间除以待播放 的流媒体视频内容对应的分片的时长, 确定目标 I帧。
步骤 206 , 播放目标 I帧。
本实施例提供的流媒体视频的播放方法, 上述步骤可以进行视频 定位 seek操作, 并且在视频定位 seek时, 不仅能看到时间进度条拖动 到的时间, 还能看到时间进度条拖动到的时间对应的画面。 为了本实 施例还可以进行快进或快退操作, 本实施例还可以包括:
步骤 207 , 计算待播放的流媒体视频内容包含的 I帧的播放速度。 在本实施例中, 步骤 207可以首先获取快进或快退时视频播放的 速度倍数, 并获取所述待播放的流媒体视频内容对应的任意一个分片 的时长, 然后将所述时长除以所述速度倍数, 得到所述待播放的流媒 体视频内容包含的 I帧的播放速度。
步骤 208 , 以该播放速度正向或反向播放待播放的流媒体视频内 容包含的 I帧。
在本实施例中, 当用户实施快进操作时, 终端播放器以步骤 207 计算的播放速度, 正向播放待播放的流媒体视频内容包含的 I 帧, 进 行流媒体视频内容的播放中的快进操作; 当用户实施快退操作时, 终 端播放器以步骤 207计算的播放速度, 反向播放待播放的流媒体视频 内容包含的 I帧, 进行流媒体视频内容的播放中的快退操作。
在本实施例中, 执行步骤 208以步骤 207计算待播放的流媒体视 频内容包含的 I 帧的播放速度, 正向或反向播放待播放的流媒体视频 内容包含的 I帧, 当到达用户需要看的画面时, 可以获取正常播放信 息, 以正常速度播放流媒体视频内容。
用户如果进行视频定位 seek操作, 用户在按下时间进度条后, 可 以获取视频定位 seek时间, 根据视频定位 seek 时间, 获取视频定位 seek时间对应的 I帧, 并播放 I帧, 终端播放器不仅能显示当前时间 进度条拖动到的时间点, 还能显示当前时间进度条拖动到的时间点的 画面, 方便用户进行视频定位 seek操作, 能够快速直观准确的定位到 用户期望看到的画面。
在本实施例中, 在视频定位 seek时, 只获取目标 I帧, 而不获取 视频内容包含的所有 I帧, 也可以在进行视频定位 seek时, 不仅能看 到时间进度条拖动到的时间点, 还能看到时间点的画面。
本发明实施例提供的流媒体视频内容的播放方法, 通过对从待播 放的流媒体视频内容包含的 I帧中获取视频定位 seek时间对应的目标 I帧, 并播放, 使终端播放器在视频定位 seek时, 不仅能看到时间进 度条拖动到的时间点, 还能看到时间点的画面, 能够快速直观准确的 定位到用户期望看到的画面。 本发明实施例解决了现有技术中, 视频 定位 seek时, 用户在按下时间进度条后, 只能看到当前时间进度条拖 动到的时间点, 看不到当前时间进度条拖动到的时间点的画面, 在用 户松开时间进度条与看到当前时间进度条拖动到的时间点的画面之 间, 有一定的时延, 用户需要不停的尝试才能定位到用户期望看到的 画面的问题。
为了使本发明实施例提供的流媒体视频内容的播放方法, 还能够 用于其他相关业务, 如流媒体视频内容的预览业务、 流媒体视频内容 的多章节业务, 本发明实施例三提供的流媒体视频内容的播放方法, 如图 3所示, 还可以包括:
步骤 301 , 获取视频播放的业务信息,其中,业务信息包含待播放的 流媒体视频内容的预览信息和多章节信息。
在本实施例中, 用户在互联网上浏览视频内容的介绍时, 可以预 览感兴趣的视频内容, 步骤 301获取感兴趣的流媒体视频内容的预览 信息。 或者, 用户可以根据需要播放的视频的内容, 执行步骤 301获 取视频播放的多章节信息。 所述多章节信息可以包括: 用户希望将需 要播放的视频的内容分出的章节数。
步骤 302 , 根据视频播放的业务信息,获取待播放的流媒体视频内 容包含的 I帧。
在本实施例中, 预览信息可以包括: 流媒体视频内容的预览指示, 该预览指示对应的流媒体视频内容为待播放的流媒体视频内容; 多章 节信息可以包括: 流媒体视频内容的总时长, 以及流媒体视频内容划 分的章节数。 步骤 302根据流媒体视频内容的预览信息, 可以确定待 播放的流媒体视频内容, 从而获取待播放的流媒体视频内容包含的 I 帧, 为了节省终端播放器获取 I帧的时间, 也可以只获取待播放的流 媒体视频内容对应分片的起始 I帧。 或者, 步骤 302根据流媒体视频 内容的多章节信息, 可以确定各个章节包含的视频内容对应分片, 根 据所述分片获取各个章节的 I帧, 也可以只获取各个章节的起始 I帧 供用户预览。
在本实施例中, 步骤 302中获取流媒体视频内容包含的 I帧的过 程, 可以包括:
一、 向服务器发送 I帧请求信息,其中, I帧请求信息包含用于识别 I帧归属分片的统一资源定位符 URL和 I帧对应的字节范围;
二、 接收服务器发送的 I 帧请求信息对应的流媒体视频内容包含 的 I帧。
步骤 303 , 播放 I帧。
在本实施例中, 执行步骤 303播放 I帧以后, 用户可以根据预览 的流媒体视频内容, 或者根据多章节起始画面的预览信息, 判断是否 要进行正常的流媒体视频内容的播放。
本实施例提供的流媒体视频内容的播放方法, 可以实现流媒体视 频内容的预览业务: 用户在进行视频内容的预览时, 终端播放器可以 不接收预览内容分片, 而只接收预览内容分片的 I帧, 可以流媒体视 频内容的播放中视频内容的预览业务; 用户可以根据预览 I帧文件, 确定是否要进行正常的视频播放, 而不需要针对视频内容, 专门制作 预览文件, 实现视频内容的预览业务。 也可以实现流媒体视频播放的 多章节业务: 根据用户需要将视频内容分成多章节, 并对每个章节的 I帧做成海报, 以供用户选择对某个章节进行正常播放。
本发明实施例四提供的流媒体视频内容的播放装置,如图 4所示, 包括:
视频定位 seek时间获取模块 401 , 用于获取待播放的流媒体视频 内容的视频定位 seek时间。
在本实施例中, 终端播放器在播放待播放的流媒体视频内容或者 暂停的过程中, 可以实施视频定位 seek操作, 此时使用视频定位 seek 时间获取模块 401 获取待播放的流媒体视频内容的视频定位 seek 时 间。
目标 I帧获取模块 402 , 用于从待播放的流媒体视频内容包含的 I 帧中,获取视频定位 seek时间获取模块获取的视频定位 seek时间对应 的目标 I帧。
在本实施例中, 目标 I帧获取模块 402可以直接从服务器获取视 频定位 seek时间对应的目标 I帧; 也可以预先获取待播放的流媒体视 频内容包含的所有 I帧, 并緩存到本地, 从本地获取视频定位 seek时 间对应的目标 I帧。
目标 I帧播放模块 403 , 用于播放获取的目标 I帧。
在本实施例中, 用户如果进行视频定位 seek操作, 用户在按下时 间进度条后, 视频定位 seek时间获取模块 401可以获取视频定位 seek 时间, 目标 I帧获取模块 402根据视频定位 seek时间, 获取视频定位 seek时间对应的目标 I帧, 并使用目标 I帧播放模块播放目标 I帧; 终 端播放器不仅能显示当前时间进度条拖动到的时间点, 还能显示当前 时间进度条拖动到的时间点的画面,方便用户进行视频定位 seek操作, 能够快速直观准确的定位到用户期望看到的画面。
进一步的, 如图 5所示, 目标 I帧获取模块 402可以包括: 分片时长获取子模块 4021 , 用于获取待播放的流媒体视频内容对 应的任意一个分片的时长。
在本实施例中, 待播放的流媒体视频内容可以对应多个分片, 各 个分片的时长一般相同。 因此, 分片时长获取子模块 4021可以获取待 播放的流媒体视频内容对应的任意一个分片的时长, 其中各分片时长 均相同。
目标 I帧确定子模块 4022 , 用于根据分片时长获取子模块获取的 分片的时长和视频定位 seek时间, 确定所述目标 I帧。
在本实施例中, 目标 I帧确定子模块 4022可以使用视频定位 seek 时间除以待播放的流媒体视频内容对应的分片的时长, 确定目标 I帧。
进一步的, 如图 6所示, 本实施例提供的流媒体视频内容的播放 装置, 还可以包括:
第一 I帧获取模块 404 ,用于获取待播放的流媒体视频内容包含的
I帧。
在本实施例中,可以在终端播放器开始播放流媒体视频内容之前, 使用第一 I帧获取模块 404获取待播放的流媒体视频内容包含的 I帧; 也可以在终端播放器緩存到足够的分片与緩存下一个分片的空闲时间 里, 第一 I帧获取模块 404获取待播放的流媒体视频内容包含的 I帧。 在本实施例中, 第一 I帧获取模块 404可以不一次性下载完待播放的 流媒体视频内容包含的所有 I帧。
例如: 在本实施例中, 设置接收服务器发送的后续分片的个数为
2 , 当用户播放第 n分片时, 终端播放器控制接收第 n+2分片后不会立 即接收第 n+3分片, 只有用户开始播放第 n+1分片后, 才会继续接收 第 n+3分片。 在接收到第 n+2分片与接收第 n+3分片之间, 有空闲时 间。 如果当前第一 I帧获取模块 404 已接收到第 n+m分片的 I帧, 则 在当前第 n分片播放完成, 接收完服务器发送的第 n+3分片后, 继续 接收服务器发送的第 n+m+1分片的 I帧。 在本实施例中, 为了节省终端播放器获取 I帧的时间, 第一 I帧 获取模块 404可以只获取待播放的流媒体视频内容包含的起始 I帧。 获取待播放的流媒体视频内容包含的起始 I 帧的时间比较短。 对目前 家庭网络带宽而言,以一个 1小时传输速率为 500千位 /秒(kilobits per second , kbps ) 为例, 如果每 10秒一个分片, 则所有分片 I帧的大小 的总和为 2.25兆字节 (M ) , 那么接收完所有分片的 I帧需要 36秒, 时间很短。 即使考虑到请求不同分片需要多次发送描述文件请求, 仍 然可以在短时间内完成所有分片 I帧的接收。
存储模块 405 ,用于存储 I帧获取模块获取的待播放的流媒体视频 内容包含的 I帧。
在本实施例中, 存储模块 405可以使用单独 I帧文件存储待播放 的流媒体视频内容包含的 I帧;或者可以将待播放的视频内容包含的 I 帧与待播放的流媒体视频内容存储为同一文件。
进一步的, 如图 7所示, 第一 I帧获取模块 404还可以包括: 请求发送子模块 4041 ,用于向服务器发送 I帧请求信息,其中,所述
I帧请求信息包含用于识别 I帧归属分片的统一资源定位符和 I帧对应 的字节范围。
在本实施例中, 统一资源定位符 URL可以使服务器定位到 I帧归 属的分片, I帧对应的字节范围可以使终端播放器从该分片中获取所需 的 I帧。
I帧接收子模块 4042 , 用于接收服务器发送的所述 I帧请求信息 对应的流媒体视频内容包含的 I帧。
进一步的, 在本实施例中, 为了进行快进或快退操作, 如图 8所 示, 本实施例提供的流媒体视频内容的播放装置, 还可以包括:
播放速度计算模块 406 , 用于计算待播放的流媒体视频内容包含 的 I帧的播放速度。 在本实施例中, 播放速度获取模块 406可以包括第一获取子模块 和计算子模块。 其中, 第一获取子模块, 用于获取快进或快退时视频 播放的速度倍数, 并获取待播放的流媒体视频内容对应的任意一个分 片的时长; 计算子模块, 用于将获取的时长除以速度倍数, 得到待播 放的流媒体视频内容包含的 I帧的播放速度。
第一 I帧播放模块 407 ,用于以播放速度获取模块获取的播放速度 正向或反向播放所述待播放的流媒体视频内容包含的 I帧。
在本实施例中, 当用户实施快进操作时, 终端播放器以播放速度 计算模块 406计算的播放速度, 正向播放待播放的流媒体视频内容包 含的 I 帧, 进行流媒体视频内容的播放中的快进操作; 当用户实施快 退操作时, 终端播放器以播放速度计算模块 406计算的播放速度, 反 向播放待播放的流媒体视频内容包含的 I帧, 进行流媒体视频内容的 播放中的快退操作。
在本实施例中, 第一 I帧播放模块 407 以播放速度计算模块 406 计算的播放速度正向或反向播放待播放的流媒体视频内容包含的 I帧, 当到达用户需要看的画面时, 可以获取正常播放信息, 以正常速度播 放流媒体视频内容
本发明实施例提供的流媒体视频内容的播放装置, 通过目标 I 帧 获取模块获取视频定位 seek时间对应的目标 I帧, 并使用目标 I帧播 放模块播放目标 I帧, 使终端播放器在视频定位 seek时, 不仅能看到 时间进度条拖动到的时间点, 还能看到时间点的画面, 能够快速直观 准确的定位到用户期望看到的画面。本发明实施例解决了现有技术中, 视频定位 seek时, 用户在按下时间进度条后, 只能看到当前时间进度 条拖动到的时间点, 看不到当前时间进度条拖动到的时间点的画面, 在用户松开时间进度条与看到当前时间进度条拖动到的时间点的画面 之间, 有一定的时延, 用户需要不停的尝试才能定位到用户期望看到 的画面的问题。
为了使本发明实施例提供的流媒体视频内容的播放装置, 还能够 用于其他相关业务, 如流媒体视频内容的预览业务、 流媒体视频内容 的多章节业务, 本发明实施例五提供的流媒体视频内容的播放装置, 如图 9所示, 还可以包括:
业务信息获取模块 901 , 用于获取视频播放的业务信息,其中,所述 业务信息包含流媒体视频内容的预览信息和多章节信息。
在本实施例中, 业务信息获取模块 901 可以包括: 预览信息获取 子模块和多章节信息获取子模块。 其中, 预览信息获取子模块用于流 媒体视频内容的预览指示, 该预览指示对应的流媒体视频内容为待播 放的流媒体视频内容; 多章节信息获取子模块用于获取流媒体视频内 容的总时长, 以及流媒体视频内容划分的章节数。 业务信息获取模块
901 根据流媒体视频内容的预览信息, 可以确定待播放的流媒体视频 内容, 从而获取待播放的流媒体视频内容包含的 I帧, 为了节省终端 播放器获取 I帧的时间, 也可以只获取待播放的流媒体视频内容对应 分片的起始 I帧。 或者, 业务信息获取模块 901根据流媒体视频内容 的多章节信息, 可以确定各个章节包含的视频内容对应分片, 根据所 述分片获取各个章节的 I帧, 也可以只获取各个章节的起始 I帧供用 户预览。
第二 I帧获取模块 902 ,用于根据所述业务信息获取模块获取的视 频播放的业务信息,获取待播放的流媒体视频内容包含的 I帧;
在本实施例中, 第二 I帧获取模块 902根据流媒体视频内容的预 览信息, 可以获取流媒体视频内容包含的 I 帧, 为了节省终端播放器 获取 I帧的时间, 也可以只获取流媒体视频内容对应分片的起始 I帧。 或者, 第二 I帧获取模块 902可以根据流媒体视频内容的多章节信息, 获取各个章节的 I帧, 也可以只获取各个章节的起始 I帧供用户预览。 在本实施例中,第二 I帧获取模块 902 ,如图 7所示,也可以包括: 请求发送子模块 4041 ,用于向服务器发送 I帧请求信息,其中,所述 I帧请求信息包含用于识别 I帧归属分片的统一资源定位符和 I帧对应 的字节范围;
I帧接收子模块 4042 , 用于接收服务器发送的所述 I帧请求信息 对应的流媒体视频内容包含的 I帧。
第二播放模块 903 , 用于播放所述第二 I帧获取模块获取的 I帧。 在本实施例中, 第二播放模块 903播放 I帧以后, 用户可以根据 预览的流媒体视频内容, 或者根据多章节起始画面的预览信息, 判断 是否要进行正常的流媒体视频内容的播放。
本实施例提供的流媒体视频内容的播放装置, 可以实现流媒体视 频内容的预览业务: 用户在进行视频内容的预览时, 终端播放器可以 不接收预览内容分片, 而只接收预览内容分片的 I帧, 可以流媒体视 频内容的播放中视频内容的预览业务; 用户可以根据预览 I帧文件, 确定是否要进行正常的视频播放, 而不需要针对视频内容, 专门制作 预览文件, 实现视频内容的预览业务。 也可以实现流媒体视频播放的 多章节业务: 根据用户需要将视频内容分成多章节, 并对每个章节的 I帧做成海报, 以供用户选择对某个章节进行正常播放。
本发明实施例提供的流媒体视频内容的播放方法和装置, 通过获 取视频定位 seek时间对应的目标 I帧, 并播放, 使终端播放器在视频 定位 seek时, 不仅能看到时间进度条拖动到的时间点, 还能看到时间 点的画面, 能够快速直观准确的定位到用户期望看到的画面。 本发明 实施例解决了现有技术中, 视频定位 seek时, 用户在按下时间进度条 后, 只能看到当前时间进度条拖动到的时间点, 看不到当前时间进度 条拖动到的时间点的画面, 在用户松开时间进度条与看到当前时间进 度条拖动到的时间点的画面之间, 有一定的时延, 用户需要不停的尝 试才能定位到用户期望看到的画面的问题。 本发明实施例提供的流媒体视频内容的播放方法和装置, 可以使 用 HTTP、 HTTP Streaming , TCP , UDP等多种网络传输协议, 适用于 计算机、 手机等多种终端上。 结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬 件、 处理器执行的软件模块, 或者二者的结合来实施。 软件模块可以置于 随机存储器 (RAM ) 、 内存、 只读存储器 (ROM ) 、 电可编程 ROM、 电 可擦除可编程 ROM、 寄存器、 硬盘、 可移动磁盘、 CD-ROM、 或技术领 域内所公知的任意其它形式的存储介质中。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不 局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围 内, 可轻易想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应所述以权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种流媒体视频内容的播放方法, 应用于流媒体视频通信系统 中,其特征在于, 包括:
获取待播放的流媒体视频内容的视频定位 seek时间;
从所述待播放的流媒体视频内容包含的 I帧中, 获取所述视频定 位 seek时间对应的目标 I帧;
播放所述目标 I帧。
2、 根据权利要求 1所述的流媒体视频内容的播放方法, 其特征在 于, 所述从所述待播放的流媒体视频内容包含的 I帧中, 获取所述视 频定位 seek时间对应的目标 I帧, 包括:
获取所述待播放的流媒体视频内容对应的任意一个分片的时长, 所述各分片时长均相同;
根据所述待播放的流媒体视频内容对应的分片的时长和所述视频 定位 seek时间, 确定所述目标 I帧。
3、 根据权利要求 1所述的流媒体视频内容的播放方法, 其特征在 于, 所述获取待播放的流媒体视频内容的视频定位 seek时间之前, 包 括:
获取所述待播放的流媒体视频内容包含的 I帧;
存储所述获取的待播放的流媒体视频内容包含的 I帧。
4、 根据权利要求 3所述的流媒体视频内容的播放方法, 其特征在 于, 所述获取所述待播放的流媒体视频内容包含的 I帧, 包括:
向服务器发送 I帧请求信息,其中,所述 I帧请求信息包含用于识别 I帧归属分片的统一资源定位符 URL和所述 I帧对应的字节范围; 接收服务器发送的所述 I 帧请求信息对应的待播放的流媒体视频 内容包含的 I帧。
5、 根据权利要求 3 所述的流媒体视频内容的播放方法,其特征在 于,所述存储所述待播放的流媒体视频内容包含的 I帧,包括:
使用单独 I帧文件存储所述待播放的流媒体视频内容包含的 I帧。
6、 根据权利要求 3 所述的流媒体视频内容的播放方法,其特征在 于,所述存储所述待播放的流媒体视频内容包含的 I帧,包括:
将所述待播放的视频内容包含的 I 帧与所述待播放的流媒体视频 内容存储为同一文件。
7、 根据权利要求 1所述的流媒体视频内容的播放方法, 其特征在 于, 还包括:
计算所述待播放的流媒体视频内容包含的 I帧的播放速度; 以所述播放速度正向或反向播放所述待播放的流媒体视频内容包 含的 I帧。
8、 根据权利要求 7所述的流媒体视频内容的播放方法, 其特征在 于, 所述计算所述待播放的流媒体视频内容包含的 I 帧的播放速度, 包括:
获取快进或快退时视频播放的速度倍数, 并获取所述待播放的流 媒体视频内容对应的任意一个分片的时长, 所述各分片时长均相同; 将所述时长除以所述速度倍数, 得到所述待播放的流媒体视频内 容包含的 I帧的播放速度。
9、 一种流媒体视频内容的播放方法, 其特征在于, 包括: 获取视频播放的业务信息,其中,所述业务信息包含流媒体视频内 容的预览信息和多章节信息;
根据所述视频播放的业务信息,获取待播放的流媒体视频内容包 含的 I帧;
播放所述 I帧。
10、 根据权利要求 9流媒体视频内容的播放方法, 其特征在于: 所述预览信息, 包括: 流媒体视频内容的预览指示, 所述预览指 示对应的流媒体视频内容为待播放的流媒体视频内容;
所述多章节信息, 包括: 所述流媒体视频内容的总时长, 以及所 述流媒体视频内容划分的章节数。
11、 一种流媒体视频内容的播放装置, 其特征在于, 包括: 视频定位 seek时间获取模块, 用于获取待播放的流媒体视频内容 的视频定位 seek时间;
目标 I帧获取模块,用于从所述待播放的流媒体视频内容包含的 I 帧中, 获取所述视频定位 seek时间对应的目标 I帧;
目标 I帧播放模块, 用于播放所述获取的目标 I帧。
12、 根据权利要求 11所述的流媒体视频内容的播放装置, 其特征 在于, 所述目标 I帧获取模块, 还包括:
分片时长获取子模块, 用于获取所述待播放的流媒体视频内容对 应的任意一个分片的时长, 所述各分片时长均相同;
目标 I 帧确定子模块, 用于根据所述分片时长获取子模块获取的 分片的时长和所述视频定位 seek时间, 确定所述目标 I帧。
13、 根据权利要求 11所述的流媒体视频内容的播放装置, 其特征 在于, 还包括:
第一 I 帧获取模块, 用于获取所述待播放的流媒体视频内容包含 的 I帧;
存储模块, 用于存储所述第一 I帧获取模块获取的待播放的流媒 体视频内容包含的 I帧。
14、 根据权利要求 13所述的流媒体视频内容的播放装置, 其特征 在于, 所述第一 I帧获取模块, 包括:
请求发送子模块, 用于向服务器发送 I帧请求信息,其中,所述 I帧 请求信息包含用于识别 I帧归属分片的统一资源定位符 URL和所述 I 帧对应的字节范围;
I帧接收子模块,用于接收服务器发送的所述 I帧请求信息对应的 待播放的流媒体视频内容包含的 I帧。
15、 根据权利要求 11所述的流媒体视频内容的播放装置, 其特征 在于, 还包括:
播放速度计算模块, 用于计算所述待播放的流媒体视频内容包含 的 I帧的播放速度;
第一 I 帧播放模块, 用于以所述播放速度获取模块获取的播放速 度正向或反向播放所述待播放的流媒体视频内容包含的 I帧。
16、 根据权利要求 15所述的流媒体视频内容的播放装置, 其特征 在于, 所述播放速度计算模块, 包括:
第一获取子模块, 用于获取快进或快退时视频播放的速度倍数, 并获取所述待播放的流媒体视频内容对应的任意一个分片的时长, 所 述各分片时长均相同;
计算子模块, 用于将所述获取的时长除以所述速度倍数, 得到所 述待播放的流媒体视频内容包含的 I帧的播放速度。
17、 一种流媒体视频内容的播放装置, 其特征在于, 包括: 业务信息获取模块,用于获取视频播放的业务信息,其中,所述业务 信息包含流媒体视频内容的预览信息和多章节信息;
第二 I帧获取模块, 用于根据所述获取的视频播放的业务信息,获 取待播放的流媒体视频内容包含的 I帧;
第二播放模块, 用于播放所述获取的 I帧。
18、 根据权利要求 17所述的流媒体视频内容的播放装置, 其特征 在于, 所述业务信息获取模块, 包括:
预览信息获取子模块,用于获取所述流媒体视频内容的预览指示; 多章节信息获取子模块,用于获取所述流媒体视频内容的总时长, 以及所述流媒体视频内容划分的章节数 <
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EP2597885A1 (en) 2013-05-29
US20130179547A1 (en) 2013-07-11

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