CN105847850A - Panorama video real time playing method and apparatus - Google Patents

Panorama video real time playing method and apparatus Download PDF

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Publication number
CN105847850A
CN105847850A CN201610183526.7A CN201610183526A CN105847850A CN 105847850 A CN105847850 A CN 105847850A CN 201610183526 A CN201610183526 A CN 201610183526A CN 105847850 A CN105847850 A CN 105847850A
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CN
China
Prior art keywords
panoramic video
real
time
video file
gravity sensing
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Pending
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CN201610183526.7A
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Chinese (zh)
Inventor
白雪松
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LeTV Holding Beijing Co Ltd
LeTV Information Technology Beijing Co Ltd
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LeTV Holding Beijing Co Ltd
LeTV Information Technology Beijing Co Ltd
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Priority to CN201610183526.7A priority Critical patent/CN105847850A/en
Publication of CN105847850A publication Critical patent/CN105847850A/en
Pending legal-status Critical Current

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    • 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
    • H04N21/21Server components or server architectures
    • H04N21/218Source of audio or video content, e.g. local disk arrays
    • H04N21/21805Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
    • 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
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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
    • H04N21/47202End-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 requesting content on demand, e.g. video on demand

Abstract

The embodiment of the invention provides a panorama video real time playing method and apparatus, and is applicable to a mobile terminal. The method includes the steps of receiving a real-time panorama video stream from panorama record equipment, conducting data processing on the real-time panorama video stream to obtain a panorama video file, obtaining gravity induction parameters of the terminal, determining the gravity induction direction according to the gravity induction parameters, and playing the panorama video file according to the gravity induction direction on a real-time basis. Panorama video files are made on a mobile terminal, the gravity induction parameters of the terminal are obtained, the gravity induction direction is determined according to the gravity induction parameters, and the panorama video file is played according to the gravity induction direction on a real-time basis. Real-time playing of a panorama video file on a mobile terminal is realized, the playing direction of the panorama video file and the gravity induction direction of the mobile terminal are consistent, and the user experience is improved.

Description

The real time playing method of panoramic video and device
Technical field
The present embodiments relate to panoramic video technical field, particularly relate to broadcasting in real time of a kind of panoramic video Put method and device.
Background technology
At present, to playing panoramic video file, panoramic video player needs first to get can be direct The panoramic video file play, wherein, the making of the panoramic video file that can directly play typically requires Complete at server, and to spend the more time.It is thus impossible to realize the record of panoramic video file System and broadcasting real-time synchronization.It is to say, current panoramic video plays a kind of aphorama The process of frequency file program request.
Meanwhile, on mobile terminals during playing panoramic video file, if user rotates in place mobile whole End, makes the screen of mobile terminal and horizontal plane there is certain angle, the viewing picture of panoramic video or regard Angle can change, and affects Consumer's Experience.
Summary of the invention
The embodiment of the present invention provides real time playing method and the device of a kind of panoramic video, must not in order to solution Real-time play panoramic video, and when playing panoramic video, broadcasting pictures is along with the rotation of mobile terminal And rotate, the problem affecting Consumer's Experience.
The embodiment of the present invention provides the real time playing method of a kind of panoramic video, is applied to mobile terminal, institute The method of stating includes:
Receive the real-time panoramic video stream from panorama recording arrangement;
Described real-time panoramic video is flow to the process of row data and obtains panoramic video file;
Obtain the gravity sensing parameter of terminal, according to described gravity sensing parameter determination gravity sensing direction;
According to panoramic video file described in the real-time play of described gravity sensing direction.
Correspondingly, the embodiment of the present invention additionally provides the real-time play device of a kind of panoramic video, is applied to Mobile terminal, described device includes:
Receiver module, for receiving the real-time panoramic video stream from panorama recording arrangement;
Processing module, obtains panoramic video file for described real-time panoramic video flows to the process of row data;
Determine module, for obtaining the gravity sensing parameter of described mobile terminal, according to described gravity sensing Parameter determination gravity sensing direction;
Playing module, for according to panoramic video file described in the real-time play of described gravity sensing direction.
The real time playing method of a kind of panoramic video that the embodiment of the present invention provides and device, recorded by panorama Control equipment records panoramic video stream, receives panoramic video stream on mobile terminals, and to panoramic video stream Carry out data process and obtain panoramic video file, it is achieved make panoramic video file on mobile terminals.Obtain Take the gravity sensing parameter of mobile terminal, according to gravity sensing parameter determination gravity sensing direction, and according to Gravity sensing direction real-time play panoramic video file, also achieves real-time play panorama on mobile terminals Video file, and the broadcasting direction of panoramic video file is consistent with the gravity sensing direction of mobile terminal, Improve the experience of user.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to required in embodiment Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of steps of the real time playing method of a kind of panoramic video in the embodiment of the present invention one;
Fig. 2 is horizontally slipping in the real time playing method of a kind of panoramic video in the embodiment of the present invention one Schematic diagram;
Fig. 3 is sliding up and down in the real time playing method of a kind of panoramic video in the embodiment of the present invention one Schematic diagram;
Fig. 4 be a kind of panoramic video in the embodiment of the present invention one real time playing method in horizontal direction sliding Dynamic it is not provided with threshold value and above-below direction slides and arranges the slip schematic diagram of threshold value;
Fig. 5 be a kind of panoramic video in the embodiment of the present invention one real time playing method in broadcasting pictures begin Keep the schematic diagram of level eventually;
Fig. 6 is the structural representation of the real-time play device of a kind of panoramic video in the embodiment of the present invention two.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiment one
The real time playing method of a kind of panoramic video that the embodiment of the present invention one propose is discussed in detail.Apply Mobile terminal, described mobile terminal can be smart mobile phone, panel computer etc..
With reference to Fig. 1, it is shown that the real time playing method of a kind of panoramic video in the embodiment of the present invention one Flow chart of steps.
Step 100, receives the real-time panoramic video stream from panorama recording arrangement.
Panorama recording arrangement in the embodiment of the present invention can be recorded and in real time by each by multiple video cameras Cameras capture to picture splicing become a complete panorama, obtain real-time panoramic video stream.Entirely Scape recording arrangement can be monitoring device based on iBeacon technology, and iBeacon is that mobile terminal operation is The New function being equipped with on system.Its working method is, the terminal equipped with low-power consumption function of Bluetooth communication uses Low-power consumption Bluetooth technology sends oneself distinctive identification information to around, receives the application of this identification information Program can take some actions according to this identification information.Therefore, before described step 100, it is also possible to Including: judging whether the identification information of described panorama recording arrangement belongs to presupposed information, if belonging to, then holding Row step 100;If being not belonging to, then flow process terminates.Wherein, described presupposed information can be preset credible The identification information of the panorama recording arrangement appointed.
If the identification information received belongs to presupposed information, then may determine that the identification information source received In panorama recording arrangement, the real-time panoramic video stream from this panorama recording arrangement can be received further.
Step 102, flows to the process of row data and obtains panoramic video file described real-time panoramic video.
Panorama recording arrangement captures angled image in three dimensions, image by multiple photographic head Each pixel corresponding three-dimensional space in unique coordinate.Described step 102 is specifically as follows: according to Unique coordinate in the three dimensions that each pixel of described image is corresponding, by described real-time panoramic video Angled image mosaic in stream is a spherical diagram picture, and described spherical diagram picture is stretched as plane graph Picture.
The transcoding of real-time panoramic video stream is identical with the technology of ordinary video flow with transmission, simply real time panoramic The transmission of video flowing is higher to the network bandwidth requirement of mobile terminal.Mobile terminal receives real time panoramic and regards After frequency stream, real-time panoramic video stream is done decoding process, different to the decoding process of ordinary video flow, The space coordinates being primarily based on mobile terminal place creates a threedimensional model, obtains after then stretching Plane picture is converted to spherical diagram picture.Specifically can be in described threedimensional model, according to mobile terminal place The concordance of the coordinate in the space unique coordinate corresponding with each pixel, spherical diagram picture is converted to entirely Scape video file.
The picture of the panoramic video file play on mobile terminals is a screen-picture all the time, along with shifting The change in location of dynamic terminal and angle change, the picture of the panoramic video file of broadcasting changes the most therewith.? During generation obtains panoramic video file, coordinate based on space, mobile terminal place creates three-dimensional mould Type, according to the image of each angle in coordinate and the real-time panoramic video stream in space, mobile terminal place The relation that the unique coordinate of each pixel is corresponding, obtains panoramic video file.
Step 104, obtains the gravity sensing parameter of described mobile terminal, true according to described gravity sensing parameter Determine gravity sensing direction.
Described gravity sensing parameter can be the acceleration of gravity of the gyroscope return of mobile terminal, according to weight Power acceleration determines horizontal direction and vertical direction, and wherein, vertical direction includes positive vertical direction and bears perpendicular Nogata to.
Step 106, according to panoramic video file described in the real-time play of described gravity sensing direction.
According to the unique coordinate in the three dimensions that each pixel of described image is corresponding, adjust described entirely The horizontal direction of the broadcasting pictures of scape video file keeps consistent with described horizontal direction, and described broadcasting picture The vertical direction in face keeps consistent with described vertical direction.
Owing to panoramic video file is by the space spherical diagram being recorded under true gravity-space and being spliced into Picture, so the actual spatial coordinates of each pixel in the broadcasting pictures of panoramic video file is unique, And will not be changed.When playing panoramic video file, space sphere image is projected threedimensional model On, if the coordinate in space, mobile terminal place changes, correspondingly change the drawing of playing panoramic video file, Realize real-time play panoramic video file, as long as determining the space coordinates at mobile terminal place, it is possible to Ensure the direction of the broadcasting pictures of panoramic video file and the concordance in the direction at mobile terminal place.
In another embodiment of the invention, can be slided by gesture and/or gravity sensing changes panorama The viewing visual angle of video or picture.
Gesture is slided and can be divided into and horizontally slip and slide up and down, the schematic diagram that horizontally slips as in figure 2 it is shown, Finger (left) to the right slides, and current picture (left) to the right rotates, and left (right) side picture occurs, finger When the displacement slided is equal to screen width (distance from left to right), picture rotates 120 °.Slide up and down Schematic diagram as it is shown on figure 3, finger is to upper (lower) slip, current picture to upper (lower) rotation, under On () appearance of side picture, when the displacement that finger slides is equal to screen height (distance from top to bottom), draw Face half-twist.
Sliding due to gesture is a kind of mode of operation being generally used on mobile terminals, therefore, at this In inventive embodiments, during playing panoramic video file, it is also possible to broadcasting pictures is performed gesture and slides, logical Cross the gesture on picture to slide, it is possible to achieve in the case of the invariant position of mobile terminal, play complete Any picture in scape video file, it is not necessary to change the position of mobile terminal on a large scale, with multi-angle i.e. May be viewed by any picture of panoramic video file, improve experience.
It is additionally, since the original intention that panoramic video produces, i.e. goes out one by viewing panoramic video file analogy The effect that user is on the spot in person, in actual viewing experience, due to body structure, Bu Huiwu Limitation ground continues to change broadcasting pictures to a direction, and such as coming back and bowing has certain angle limits, And hence it is also possible to arrange the threshold values that gesture is slided, specifically, it is not provided with threshold values, Ke Yiwu in the horizontal direction Limit is slided;At vertical direction, needing to define horizontal plane, and set horizontal plane as 0 °, upwards maximum can turn Dynamic 90 °, downward maximum can rotate 90 °.As shown in Figure 4, be perpendicular to horizontal 4 face A, B, C, D (four Thursday face), when finger slides to the same side, can be with unlimited rotary, such as from A The face rotating 360 degrees that sets out can also return to A face.It is parallel to horizontal 2 faces E, F (upper and lower two Face), picture along be perpendicular to horizontal direction slide time, maximum can only half-twist, such as from B Maximum half-twist is set out to E face or F face in face.
Gravity sensing aspect, when mobile terminal self be perpendicular to horizontal plane rotate time, panoramic video literary composition The horizontal line of the broadcasting pictures of part all the time with plane-parallel, as shown in Figure 5.When mobile terminal is in three-dimensional In space, rotating 360 degrees in the horizontal direction, the broadcasting pictures of panoramic video file also rotating 360 degrees;When In three dimensions, vertically rotating 360 degrees, the broadcasting pictures of panoramic video file is also for mobile terminal Rotating 360 degrees.
In sum, the technical scheme in the embodiment of the present invention, record aphorama by panorama recording arrangement Frequency stream, receives panoramic video stream on mobile terminals, and panoramic video stream carries out data processes and obtain Panoramic video file, it is achieved make on mobile terminals and real-time panoramic video file.Mobile by obtaining The gravity sensing parameter of terminal, according to gravity sensing parameter determination gravity sensing direction, and according to gravity-feed tank Answer direction real-time play panoramic video file, it is possible to realize broadcasting direction and the movement of panoramic video file The gravity sensing direction of terminal is consistent, the broadcasting pictures of panoramic video will not follow mobile terminal rotation and Rotate, improve the experience of user.
Embodiment two
The real-time play device of a kind of panoramic video that the embodiment of the present invention two propose is discussed in detail, is applied to Mobile terminal, described mobile terminal can include smart mobile phone, panel computer etc..
With reference to Fig. 6, it is shown that the real-time play device of a kind of panoramic video in the embodiment of the present invention two Structural representation.
Described device may include that receiver module 60, processing module 62, determines module 64 and play mould Block 66.
Relation function and each module of each module between is discussed in detail separately below.
Receiver module 60, for receiving the real-time panoramic video stream from panorama recording arrangement.
Processing module 62, obtains panoramic video literary composition for described real-time panoramic video flows to the process of row data Part.
Determine module 64, for obtaining the gravity sensing parameter of described mobile terminal, according to described gravity-feed tank Answer parameter determination gravity sensing direction.
Playing module 66, for according to panoramic video file described in the real-time play of described gravity sensing direction.
Preferably, described device can also include judge module, for receiving at described receiver module 60 Before the real-time panoramic video stream of panorama recording arrangement, it is judged that the identification information of described panorama recording arrangement Whether belong to presupposed information;If belonging to, the most described receiver module 60 receives the reality from panorama recording arrangement Time panoramic video stream operation.
Described real-time panoramic video stream comprises angled image in three dimensions, described image each Unique coordinate in pixel corresponding three-dimensional space.Preferably, described processing module 62, may include that Concatenation module, the unique coordinate in the three dimensions corresponding according to each pixel of described image, It is a spherical diagram picture by the angled image mosaic in described real-time panoramic video stream;Stretching module, For described spherical diagram picture is stretched as plane picture;Modular converter, is used for creating threedimensional model, according to Described plane picture is converted to panoramic video file by described threedimensional model.
Preferably, described determine module 64, may include that acceleration of gravity acquisition module, be used for obtaining The acceleration of gravity that the gyroscope of described mobile terminal returns;Direction determines module, for according to described heavy Power acceleration determines horizontal direction and vertical direction, wherein, described vertical direction include positive vertical direction and Negative vertical direction.
Preferably, described playing module 66 is according in three dimensions corresponding to each pixel of described image Unique coordinate, adjust horizontal direction and the described horizontal direction of the broadcasting pictures of described panoramic video file Keep consistent, and the vertical direction of described broadcasting pictures keeps consistent with described vertical direction.
In sum, the technical scheme in the embodiment of the present invention, record aphorama by panorama recording arrangement Frequency stream, receives panoramic video stream on mobile terminals, and panoramic video stream carries out data processes and obtain Panoramic video file, it is achieved make panoramic video file on mobile terminals.Obtain the gravity of mobile terminal Sensed parameter, according to gravity sensing parameter determination gravity sensing direction and real-time according to gravity sensing direction Playing panoramic video file, also achieves real-time play panoramic video file on mobile terminals, and entirely The broadcasting direction of scape video file is consistent with the gravity sensing direction of mobile terminal, improves the use of user Experience.
Device embodiment described above is only schematically, wherein said illustrates as separating component Unit can be or may not be physically separate, the parts shown as unit can be or Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words Dividing and can embody with the form of software product, this computer software product can be stored in computer can Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one Computer equipment (can be personal computer, server, or the network equipment etc.) performs each embodiment Or the method described in some part of embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it Limit;Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or Person carries out equivalent to wherein portion of techniques feature;And these amendments or replacement, do not make corresponding skill The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. the real time playing method of a panoramic video, it is characterised in that be applied to mobile terminal, described Method includes:
Receive the real-time panoramic video stream from panorama recording arrangement;
Described real-time panoramic video is flow to the process of row data and obtains panoramic video file;
Obtain the gravity sensing parameter of terminal, according to described gravity sensing parameter determination gravity sensing direction;
According to panoramic video file described in the real-time play of described gravity sensing direction.
Method the most according to claim 1, it is characterised in that record from panorama in described reception Before the real-time panoramic video stream of equipment, described method also includes:
Judge whether the identification information of described panorama recording arrangement belongs to presupposed information;
If belonging to presupposed information, then perform the described reception real-time panoramic video stream from panorama recording arrangement Operation.
Method the most according to claim 1, it is characterised in that described real-time panoramic video stream comprises Angled image in three dimensions, unique in each pixel corresponding three-dimensional space of described image Coordinate;
Described described real-time panoramic video is flow to row data process obtain panoramic video file, including:
According to the unique coordinate in the three dimensions that each pixel of described image is corresponding, by described in real time Angled image mosaic in panoramic video stream is a spherical diagram picture;
Described spherical diagram picture is stretched as plane picture;
Create threedimensional model, according to described threedimensional model, described plane picture is converted to panoramic video file.
Method the most according to claim 1, it is characterised in that the gravity sensing of described acquisition terminal Parameter, according to described gravity sensing parameter determination gravity sensing direction, including:
Obtain the acceleration of gravity that the gyroscope of described mobile terminal returns;
Horizontal direction and vertical direction, wherein, described vertical direction bag is determined according to described acceleration of gravity Include positive vertical direction and negative vertical direction.
Method the most according to claim 4, it is characterised in that described according to described gravity sensing side To panoramic video file described in real-time play, including:
According to the unique coordinate in the three dimensions that each pixel of described image is corresponding, adjust described entirely The horizontal direction of the broadcasting pictures of scape video file keeps consistent with described horizontal direction, and described broadcasting picture The vertical direction in face keeps consistent with described vertical direction.
6. the real-time play device of a panoramic video, it is characterised in that be applied to mobile terminal, described Device includes:
Receiver module, for receiving the real-time panoramic video stream from panorama recording arrangement;
Processing module, obtains panoramic video file for described real-time panoramic video flows to the process of row data;
Determine module, for obtaining the gravity sensing parameter of described mobile terminal, according to described gravity sensing Parameter determination gravity sensing direction;
Playing module, for according to panoramic video file described in the real-time play of described gravity sensing direction.
Device the most according to claim 6, it is characterised in that also include:
Judge module, for receiving the real-time panoramic video from panorama recording arrangement at described receiver module Before stream, it is judged that whether the identification information of described panorama recording arrangement belongs to presupposed information;
If belonging to, the most described receiver module receives the behaviour of the real-time panoramic video stream from panorama recording arrangement Make.
Device the most according to claim 6, it is characterised in that described real-time panoramic video stream comprises Angled image in three dimensions, unique in each pixel corresponding three-dimensional space of described image Coordinate;
Described processing module, including:
Concatenation module, the unique seat in the three dimensions corresponding according to each pixel of described image Mark, is a spherical diagram picture by the angled image mosaic in described real-time panoramic video stream;
Stretching module, for being stretched as plane picture by described spherical diagram picture;
Modular converter, is used for creating threedimensional model, is changed by described plane picture according to described threedimensional model For panoramic video file.
Device the most according to claim 8, it is characterised in that described determine module, including:
Acceleration of gravity acquisition module, the gravity returned for obtaining the gyroscope of described mobile terminal accelerates Degree;
Direction determines module, for determining horizontal direction and vertical direction according to described acceleration of gravity, its In, described vertical direction includes positive vertical direction and negative vertical direction.
Device the most according to claim 9, it is characterised in that described playing module is according to described Unique coordinate in the three dimensions that each pixel of image is corresponding, adjusts described panoramic video file The horizontal direction of broadcasting pictures keeps consistent with described horizontal direction, and the vertical direction of described broadcasting pictures Keep consistent with described vertical direction.
CN201610183526.7A 2016-03-28 2016-03-28 Panorama video real time playing method and apparatus Pending CN105847850A (en)

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