WO2023155708A1 - 视角的切换方法、装置、电子设备、存储介质和程序产品 - Google Patents

视角的切换方法、装置、电子设备、存储介质和程序产品 Download PDF

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Publication number
WO2023155708A1
WO2023155708A1 PCT/CN2023/074745 CN2023074745W WO2023155708A1 WO 2023155708 A1 WO2023155708 A1 WO 2023155708A1 CN 2023074745 W CN2023074745 W CN 2023074745W WO 2023155708 A1 WO2023155708 A1 WO 2023155708A1
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WO
WIPO (PCT)
Prior art keywords
video stream
navigation
video
viewing angle
current
Prior art date
Application number
PCT/CN2023/074745
Other languages
English (en)
French (fr)
Inventor
徐斌
金友芝
施澍
Original Assignee
北京字节跳动网络技术有限公司
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.)
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Application filed by 北京字节跳动网络技术有限公司 filed Critical 北京字节跳动网络技术有限公司
Publication of WO2023155708A1 publication Critical patent/WO2023155708A1/zh

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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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4438—Window management, e.g. event handling following interaction with the user interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection

Definitions

  • the present disclosure relates to the technical field of computers, for example, to a viewing angle switching method, device, electronic equipment, storage medium, and program product.
  • users can switch the viewing angle to find their favorite viewing angle and watch the video under this viewing angle.
  • the client detects that the user switches the viewing angle, it will stop playing the video of the current viewing angle, determine the target viewing angle that the user wants to switch to, obtain the video stream of the target viewing angle, and play the video stream of the target viewing angle on the screen .
  • the present disclosure provides a viewing angle switching method, device, electronic equipment, storage medium and program product, so as to shorten the time spent by users searching for and switching to their favorite viewing angles.
  • the present disclosure provides a method for switching perspectives, including:
  • the navigation video frames in the second video stream are extracted from video frames in different first video streams, and the corresponding playback progress of different navigation video frames in the corresponding first video streams is different, different the first video stream has a different viewing angle;
  • the target first video stream is used as the current first video stream, and the current first video stream is played, wherein the second trigger operation is used to instruct switching of the current first video stream, and the The target first video stream is the first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • the present disclosure also provides a viewing angle switching device, including:
  • the window display module is configured to respond to the first trigger during the playback of the current first video stream Operation, displaying the angle of view navigation window, and playing the second video stream in the angle of view navigation window, wherein the first trigger operation is used to instruct to play the second video stream, and the navigation video in the second video stream
  • the frames are obtained by extracting video frames from different first video streams, the corresponding playback progress of different navigation video frames in corresponding first video streams is different, and different first video streams have different viewing angles;
  • the first playing module is configured to use the target first video stream as the current first video stream in response to the second trigger operation, and play the current first video stream, wherein the second trigger operation is used to instruct switching of the current first video stream
  • the first video stream, the target first video stream is a first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • the present disclosure also provides an electronic device, including:
  • processors one or more processors
  • memory configured to store one or more programs
  • the one or more processors are made to implement the above method for switching perspectives.
  • the embodiments of the present disclosure further provide a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the above method for switching an angle of view is implemented.
  • the embodiments of the present disclosure further provide a computer program product, which, when executed by a computer, enables the computer to implement the above method for switching perspectives.
  • FIG. 1 is a schematic flowchart of a method for switching a viewing angle provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic display of a viewing angle navigation window provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic display diagram of another viewing angle navigation window provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart of another method for switching a viewing angle provided by an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of a perspective navigation bar provided by an embodiment of the present disclosure.
  • FIG. 6 is a structural block diagram of a viewing angle switching device provided by an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.
  • the term “comprise” and its variations are open-ended, ie “including but not limited to”.
  • the term “based on” is “based at least in part on”.
  • the term “one embodiment” means “at least one embodiment”; the term “another embodiment” means “at least one further embodiment”; the term “some embodiments” means “at least some embodiments.” Relevant definitions of other terms will be given in the description below.
  • FIG. 1 is a schematic flowchart of a method for switching a viewing angle provided by an embodiment of the present disclosure.
  • the method can be executed by an apparatus for switching an angle of view, wherein the apparatus can be implemented by software and/or hardware, and can be configured in an electronic device, for example, the apparatus can be configured in a mobile phone or a tablet computer.
  • the viewing angle switching method provided by the embodiments of the present disclosure is applicable to a scene of switching a viewing angle, and is especially applicable to a situation of switching a viewing angle of a live broadcast.
  • the method for switching the viewing angle provided in this embodiment may include:
  • the current first video stream may be the currently played first video stream.
  • the first video stream may be a video stream captured at a corresponding viewing angle, that is, a video stream corresponding to a viewing angle.
  • Different first video streams may correspond to different viewing angles. Therefore, the user may switch viewing angles by switching the first video stream, such as switching the viewing angle of the video and/or the viewing angle of the live broadcast.
  • the first trigger operation may be an operation instructing the electronic device to play the second video stream, such as a trigger operation acting on the angle of view navigation control and/or a trigger operation acting on the angle of view navigation bar (such as the angle of view navigation slider in the angle of view navigation bar), etc. .
  • the viewing angle navigation control and/or the viewing angle navigation bar may be displayed inside or outside the video playback window for playing the first video stream.
  • the perspective navigation window can be used to play the second video stream
  • the window may be a different window from the above-mentioned video playback window.
  • the second video stream may include video frames captured under the corresponding viewing angles of each first video stream, so that users can determine the viewing angle they want to switch to by viewing corresponding video frames under different viewing angles, and then switch.
  • the server may generate the second video stream according to the received video frames of the multiple first video streams during the live broadcast, or, after the video author uploads the multiple first video streams of the video, according to the The plurality of first video streams generate a second video stream of the uploaded video.
  • the preset video frame interval is p (p is a positive integer) times of the video frame interval in the perspective video frame, then 0, p, ..., (n- 1) p frame video frame, np, ..., (2n-1)p frame video frame in the second first video stream, ..., (m-1)np, ..., ( mn-1)p frames of video frames are used as navigation video frames in the second video stream, and the (m-1)np, ..., (mn-1)p frames of video frames in the mth first video stream are extracted After that, return to the first first video stream again, and extract the first mnp, ..., [(m+1)n-1]p frame video frames in the first first video stream as video frames in the second video stream , and so on, the second
  • the 0th video frame in the first viewing angle video frame, the 1st video frame in the second viewing angle video frame, ..., the mth viewing angle video frame can be sequentially extracted
  • the m-1th video frame in the second video stream is used as the video frame in the second video stream, and after the m-1th video frame in the m-th first video stream is extracted, the first first video stream is returned again , extract the m-th video frame in the first first video stream as the video frame in the second video stream, and so on, to obtain the second video stream.
  • the electronic device plays the current first video stream in the video play window. Therefore, when the user wants to view the first video stream, for example, when he wants to find the first video stream he wants to switch to based on the second video stream, he can execute the first trigger operation. Correspondingly, when the electronic device receives the user's first trigger operation, it can obtain the second video stream from the server while continuing to play the current first video stream, display the viewing angle navigation window, and play the viewing angle navigation window. Second video stream.
  • the display mode of the viewing angle navigation window can be flexibly set, such as displaying the viewing angle navigation window (as shown in Figure 2 ) in the form of a floating window in the video playback window; Create a viewing angle navigation window and adjust it accordingly according to the size of the viewing angle navigation window The size of video playback window, (as Fig. 3); Also can display navigation window display page, display angle of view navigation window in navigation window display page, and continue to keep playing current first video stream in the video playback window of video playback page.
  • the starting point of playing the second video stream when the second video stream is played in the viewing angle navigation window, the starting point of playing the second video stream can be flexibly set, for example, the first video frame of the second video stream can be used as the starting point for playing the second video stream. flow.
  • the current playing progress of the first video stream played in the video playing window at the current moment i.e.
  • the current playing progress can be used as the playing starting point to play the second video stream, so that the second video stream played in the viewing angle navigation window is the same as
  • the current first video stream played in the video playback window has the same playback progress, so that users can compare and view the video frames displayed in the second video stream with the video frames displayed in other first video streams (ie, the second video stream
  • the video screen shown in provides convenience, so that the user can quickly determine the first video stream to which the user wants to switch.
  • the playing the second video stream in the viewing angle navigation window may include: playing the second video stream in the viewing angle navigation window at the same progress according to the current playing progress of the current first video stream.
  • the user can continue to watch the current first video stream played in the video playback window while , quickly determine the first video stream that you want to switch to, without interrupting the playback of the current first video stream in the video playback window, and without repeatedly switching the first video stream to find the first video stream you want to switch to,
  • the time it takes for the user to search for and switch to the first video stream he likes can be shortened, thereby improving the user experience.
  • the target first video stream is a first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • the second trigger operation may be a trigger operation of switching the first video stream, and the second trigger operation is an operation of triggering the viewing angle switching control, or a click operation acting on the viewing angle navigation bar.
  • the target first video stream may be the first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window when the second trigger operation is received, such as the current navigation video frame displayed in the viewing angle navigation window belongs to First video stream.
  • the current navigation video frame may be the navigation video frame displayed in the video switching window when the second trigger operation is received.
  • the electronic device plays the second video stream in the perspective navigation window. Therefore, the user can view navigation video frames with different viewing angles in the second video stream, and perform a second trigger operation when viewing a navigation video frame whose viewing angle is satisfactory to the user.
  • the electronic device receives the second trigger operation from the user, it can determine the current navigation video frame displayed in the perspective navigation window when the second trigger operation is received, and obtain the target first video frame to which the current navigation video frame belongs. flow, as determined by the The angle of view corresponding to the current navigation video frame, obtain the first video stream corresponding to the angle of view as the target first video stream, and switch the current first video stream played in the video playback window to the target first video stream video stream.
  • the viewing angle navigation window may continue to be displayed until a trigger operation to close the viewing angle navigation window is received, so that the user may Switch the current first video stream played in the video playback window again; it is also possible to close the viewing angle navigation window so that the user can check the current first video stream played in the video playback window.
  • After streaming as the current first video stream it also includes: closing the viewing angle navigation window.
  • the viewing angle switching method in the process of playing the current first video stream, in response to the first trigger operation, the viewing angle navigation window is displayed, and the second video stream is played in the viewing angle navigation window, wherein the first video stream A trigger operation is used to instruct to play the second video stream, the navigation video frame in the second video stream is extracted from different first video streams, and the different navigation video frames correspond to the corresponding second video stream
  • the playback progress of different video streams is different, and different first video streams have different viewing angles; in response to the second trigger operation, the target first video stream with the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window is used as the current first video stream , and play the current viewing angle video frame, wherein the second trigger operation is used to instruct switching of the current first video stream.
  • the time it takes for the user to find and switch to the first video stream he likes can be shortened, and the experience of the user can be improved.
  • FIG. 4 is a schematic flowchart of another method for switching a viewing angle provided by an embodiment of the present disclosure.
  • the solutions in this embodiment can be combined with one or more solutions in the above embodiments.
  • the method further includes: in response to a third trigger operation, determining a first target playback progress corresponding to the third trigger operation, and displaying the second video stream in the perspective navigation window The navigation video frame corresponding to the first target playback progress in the second video stream, and stop playing the second video stream, wherein the third trigger operation is used to instruct to switch the playback progress of the second video stream.
  • After playing the second video stream in the perspective navigation window it also includes: in response to a fifth trigger operation, determining a target navigation video frame in the second video stream, and displaying the target in the perspective navigation window A navigation video frame, wherein the fifth trigger operation is used to indicate a target navigation viewing angle, and the viewing angle of the target navigation video frame is the same as the target navigation viewing angle.
  • the viewing angle switching method provided in this embodiment may include:
  • the third trigger operation may be a trigger operation for adjusting the playback progress of the second video stream, such as a sliding operation along a preset direction (such as horizontal) in the viewing angle navigation window or an operation for adjusting the position of the progress slider of the second video stream wait.
  • the first target playback progress may be the playback progress adjusted to by the third trigger operation.
  • the user can perform a third trigger operation.
  • the electronic device detects the user's third trigger operation, it can determine the first target playback progress corresponding to the third trigger operation, and determine the navigation video frame corresponding to the first target playback progress, that is, determine the first target playback progress.
  • the playback progress corresponding to the second video stream is the navigation video frame of the first target playback progress, stop playing the second video stream in the viewing angle navigation window, and display the viewing angle corresponding to the first target playback progress in the viewing angle navigation window Navigation video frame.
  • the third triggering operation includes adjusting the position of the progress slider of the second video stream, and the method further includes: displaying a playback progress bar of the second video stream, wherein the playing A progress slider is set on the progress bar.
  • the user can adjust the playback progress of the second video stream by dragging the progress slider in the playback progress bar of the second video stream.
  • the electronic device when the electronic device plays the second video stream in the perspective navigation window, it can display the playback progress bar 20 of the second video stream, such as displaying the playback progress bar 20 of the second video stream in the perspective navigation window, And a playback progress slider 21 is displayed on the playback progress bar 20, as shown in FIGS. 2 and 3 . Therefore, when the user wants to adjust the playing progress of the second video stream, he can drag the progress slider 21 .
  • the electronic device when it detects that the user drags the progress slider 21 of the second video stream, it may determine that the third trigger operation for the second video stream is received, and according to the progress slider 21 of the second video stream in the second
  • the position in the playback progress bar 20 of the video stream determines the first target playback progress corresponding to the third trigger operation, and displays the navigation video frame corresponding to the first target playback progress in the second video stream in the viewing angle navigation window, and stop playing the second video stream.
  • the playback of the second video stream is stopped and the navigation video frame corresponding to the playback progress adjusted by the third trigger operation is displayed in the second video stream, so as to avoid such a situation.
  • the navigation video frame is only displayed for a short period of time, that is, it is automatically switched to the next navigation video frame for display as the second video stream is played, so that the user can view the navigation video frame corresponding to the corresponding playback progress, and then determine whether to switch to the corresponding viewing angle. convenient.
  • the navigation video frame displayed in the viewing angle navigation window can be adjusted again based on the third trigger operation , so that the user can view different navigation video frames as needed.
  • the current playback progress of the current first video stream can be used as the playback starting point to continue playing the second video stream in the viewing angle navigation window, In order to facilitate the user to continue to compare and view the video frames in the currently playing video stream and the video frames in the second video stream at the corresponding playback progress.
  • the fourth triggering operation may be an operation of continuing to play the second video stream, such as triggering an operation of a play control of the second video stream.
  • the electronic device After viewing the navigation video frame corresponding to the playback progress of the first target, if the user wants to continue watching the second video stream, he can perform a fourth trigger operation, such as triggering the playback control of the second video stream.
  • a fourth trigger operation such as triggering the playback control of the second video stream.
  • the electronic device receives the user's fourth trigger operation on the second video stream, it can determine the current playback progress of the current first video stream played in the video playback window, and adjust the second video stream according to the current playback progress. and continue playing the second video stream in the perspective navigation window according to the adjusted playback progress.
  • the fifth trigger operation may be an operation of selecting an angle of view for navigation, such as an operation of adjusting the position of the angle of view navigation slider in the angle of view navigation bar or selecting an angle of view among the displayed multiple angles of view as a navigation angle of view.
  • the target navigation viewing angle may be the viewing angle selected by the fifth trigger operation.
  • the target navigation video frame may be a navigation video frame with the same viewing angle as the target navigation viewing angle in the second video stream.
  • the electronic device plays the second video stream in the perspective navigation window.
  • a fifth trigger operation may be performed, such as selecting the view as a navigation view.
  • the electronic device may use the angle of view targeted by the fifth trigger operation as the navigation angle of view, acquire a target navigation video frame in the second video stream whose angle of view is the same as the navigation angle of view, and Display the target navigation video frame in the viewing angle navigation window.
  • multiple target navigation video frames can be displayed in sequence, or, according to the current playback progress of the current first video stream, the corresponding playback progress and the current first video stream can be displayed in the viewing angle navigation window.
  • the current playback progress of the video stream is closest to the target navigation video frame, etc.
  • the navigation video frame corresponding to the navigation viewing angle selected by the user can be displayed to the user in the viewing angle navigation window, so that the user can view different navigation video frames under the viewing angle. Determining whether to switch the current first video stream to the first video stream corresponding to the viewing angle can provide convenience for the user to determine the first video stream to be switched to, and improve user experience.
  • the fifth trigger operation includes an operation for adjusting the position of the angle of view navigation slider
  • the method further includes: displaying an angle of view navigation bar, wherein the angle of view navigation bar is provided with an angle of view navigation slider, so Different positions of the angle of view navigation bar correspond to different angles of view; before the determination of the target navigation video frame in the second video stream, it also includes: setting the angle of view navigation slider on the angle of view indicated on the angle of view navigation bar As a target navigation perspective.
  • the user may perform the second navigation trigger operation by dragging the perspective navigation slider in the perspective navigation bar.
  • the electronic device may display the viewing angle navigation bar 50 when playing the second video stream in the viewing angle navigation window, or when playing the current first video stream in the video playing window, such as displaying the viewing angle navigation bar 50 in the video playing window bar 50, and display the perspective navigation slider 51 on the perspective navigation bar 50, as shown in FIG. 5 (in the figure, the perspective navigation window is displayed in the form of a floating window as an example). Therefore, when the user wants to view the navigation video frame of a viewing angle, the user can drag the viewing angle navigation slider 51 to a position corresponding to the viewing angle.
  • the electronic device when the electronic device detects that the user drags the angle of view navigation slider 51 in the angle of view navigation bar 50, it may determine that the fifth trigger operation is received, and determine the target navigation according to the position of the angle of view navigation slider 51 in the angle of view navigation bar 50.
  • Angle of view such as the angle of view indicated by the angle of view navigation slider 51 on the angle of view navigation bar 50 as the target navigation angle of view, obtain the target navigation video frame whose angle of view is the target navigation angle of view in the second video stream, and display the angle of view in the angle of view navigation window The obtained target navigation video frame.
  • the target navigation video frame can be displayed according to the current playback progress of the current first video stream, for example, it can be shown that the target navigation video frame is closest to the current playback progress of the current first video stream and the corresponding playback progress is located before the current playback progress or The target video frame at the same playback progress as this one.
  • the displaying the target navigation video frame in the viewing angle navigation window may include: acquiring the current target navigation video frame according to the current playing progress of the current first video stream, and displaying the target navigation video frame in the viewing angle navigation window
  • the current target navigation video frame is shown in , wherein the current target navigation video frame is the corresponding The corresponding second target playback progress is less than or equal to the current playback progress, and the absolute value of the difference between the second target playback progress and the current playback progress is the smallest target navigation video frame.
  • the current target navigation video frame may be determined according to the current playback progress of the current first video stream and needs to be displayed in the viewing angle navigation window at the current moment, which may be a distance from the current first video stream
  • the second target playback progress is the playback progress corresponding to the target navigation video frame.
  • the target first video stream is a first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • the electronic device can play the current first video stream in the video playing window, and display a viewing angle navigation control.
  • the user wants to view the second video stream, he can trigger the viewing angle navigation control.
  • the electronic device detects that the user triggers the perspective navigation control, it can display the perspective navigation window, play the second video stream in the perspective navigation window according to the current playback progress of the current first video stream, and display it in the perspective navigation window.
  • the playback progress bar and viewing angle switching control of the second video stream can be used to display a viewing angle navigation control.
  • the user can perform a third trigger operation by dragging the progress slider in the playback progress bar to instruct the electronic device to display the navigation video frame at the corresponding playback progress in the viewing angle navigation window; and can execute by triggering the viewing angle switching control
  • the second trigger operation is to instruct the electronic device to switch the current first video stream played in the video playback window to the target first video stream to which the video frame displayed in the perspective navigation window at the current moment belongs.
  • the electronic device may play the current first video stream in the video playing window and display a viewing angle navigation bar.
  • the user can instruct the electronic device to display the target navigation video frame of the corresponding angle of view by dragging the angle of view navigation slider in the angle of view navigation bar, and can switch the current video frame played in the video playback window by clicking the angle of view navigation slider in the angle of view navigation bar.
  • the electronic device when it detects a press event acting on the perspective navigation slider, it may display the perspective navigation window, and play the second video stream in the perspective navigation window according to the current playback progress of the current first video stream.
  • the position of the viewing angle navigation slider in the viewing angle navigation bar can be adjusted based on the drag event, and the target navigation viewing angle is determined according to the position, and Display the navigation video frame with the same viewing angle as the target navigation viewing angle in the viewing angle navigation window.
  • the current first video stream may not be switched, and the corresponding navigation video frame shall continue to be displayed in the perspective navigation window; it may also be switched
  • the current first video stream e.g., the view indicated by the view navigation slider when the lift event will be received
  • the corner is used as the viewing angle to be switched, and the target first video stream with the same viewing angle as the viewing angle to be switched is obtained, and the current first video stream played in the video playback window is switched to the target first video stream.
  • the perspective navigation slider indicated when the lift event is received can be The viewing angle is used as the viewing angle to be switched, and the target first video stream with the same viewing angle as the viewing angle to be switched is obtained, and the current first video stream played in the video playback window is switched to the target first video stream.
  • the undo gesture can also be set in advance, such as setting the gesture of sliding to a set direction (such as up or down) as the undo gesture, so that the user can undo the action during the above-mentioned drag operation or click operation.
  • Switching of the current first video stream For example, if a lift event is not detected after the above-mentioned press event or drag event, but a preset cancel gesture is detected, the display of the viewing angle navigation window can be stopped, and the current video playback window can continue to be played. A video stream.
  • the viewing angle switching method provided in this embodiment displays the navigation video frame of the corresponding viewing angle in the video playback window based on the trigger operation of the user, which can provide convenience for the user to determine the first video stream to which the user wants to switch, and improve the user experience.
  • FIG. 6 is a structural block diagram of an apparatus for switching a viewing angle provided by an embodiment of the present disclosure.
  • the device can be realized by software and/or hardware, and can be configured in an electronic device, for example, the device can be configured in a mobile phone or a tablet computer, and the viewing angle can be switched by executing a viewing angle switching method.
  • the device for switching the viewing angle provided in this embodiment may include: a window display module 601 and a first playback module 602, wherein,
  • the window display module 601 is configured to, during the process of playing the current first video stream, display a perspective navigation window in response to a first trigger operation, and play a second video stream in the perspective navigation window, wherein the first The trigger operation is used to instruct to play the second video stream.
  • the navigation video frames in the second video stream are extracted from video frames in different first video streams.
  • Different navigation video frames correspond to The playback progress of different first video streams is different, and different first video streams have different viewing angles; the first playback module 602 is set to respond to the second trigger operation, using the target first video stream as the current first video stream, and playing the current first video stream A video stream, wherein the second trigger operation is used to instruct switching of the current first video stream, and the target first video stream is the first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • the viewing angle switching device uses the window display module 601 to display the viewing angle navigation window in response to the first trigger operation during the playback of the current first video stream, and play the second video stream in the viewing angle navigation window , wherein the first trigger operation is used to instruct to play the second video stream, and the navigation video frame in the second video stream is obtained by extracting video frames from different first video streams, different The corresponding playback progress of the navigation video frame in the corresponding second video stream is not the same, and different first video streams have different viewing angles; through the first playback module 602 in response to the second trigger operation, the current viewing angle displayed in the viewing angle navigation window will The navigation video frame has a target first video stream of the same viewing angle as the current first video stream, and the current viewing angle video frame is played, wherein the second trigger operation is used to instruct switching of the current first video stream.
  • the time it takes for the user to find and switch to the first video stream he likes can be shortened, and the experience of the user can be improved.
  • the window display module 601 may be configured to: play the second video stream at the same progress in the viewing angle navigation window according to the current playing progress of the current first video stream.
  • the viewing angle switching device may further include: a window closing module configured to close the viewing angle navigation window after the target first video stream is set as the current first video stream.
  • the viewing angle switching device may further include: a progress adjustment module, configured to, after playing the second video stream in the viewing angle navigation window, determine the third triggering operation corresponding to the third triggering operation A target playback progress, showing the navigation video frame corresponding to the first target playback progress in the second video stream in the viewing angle navigation window, and stopping playing the second video stream, wherein the third The trigger operation is used to instruct to switch the playing progress of the second video stream.
  • a progress adjustment module configured to, after playing the second video stream in the viewing angle navigation window, determine the third triggering operation corresponding to the third triggering operation A target playback progress, showing the navigation video frame corresponding to the first target playback progress in the second video stream in the viewing angle navigation window, and stopping playing the second video stream, wherein the third The trigger operation is used to instruct to switch the playing progress of the second video stream.
  • the third triggering operation may include adjusting the position of the progress slider of the second video stream
  • the window display module 601 may also be configured to: display the playback progress bar of the second video stream, Wherein, a progress slider is set on the playing progress bar.
  • the viewing angle switching device may further include: a second playing module, configured to determine the current position of the current first video stream in response to a fourth trigger operation after the second video stream is stopped playing. Playing progress, adjusting the playing progress of the second video stream to the current playing progress, and continuing to play the second video stream in the viewing angle navigation window, wherein the fourth trigger operation is used to instruct playing the second video stream.
  • a second playing module configured to determine the current position of the current first video stream in response to a fourth trigger operation after the second video stream is stopped playing. Playing progress, adjusting the playing progress of the second video stream to the current playing progress, and continuing to play the second video stream in the viewing angle navigation window, wherein the fourth trigger operation is used to instruct playing the second video stream.
  • the first trigger operation may include a trigger operation acting on the perspective navigation control.
  • the viewing angle switching device may further include: a video frame display module, configured to, after playing the second video stream in the viewing angle navigation window, in response to the fifth trigger operation, determine the target navigation video frame, and display the target navigation video frame in the perspective navigation window, wherein the fifth trigger operation is used to indicate the target navigation perspective, the perspective of the target navigation video frame is the same as the target navigation perspective same.
  • the video frame display module may be configured to: obtain the current target navigation video frame according to the current playback progress of the current first video stream, and display the current target navigation video in the viewing angle navigation window frame, wherein the current target navigation video frame is the corresponding second target The target navigation video frame whose playback progress is less than or equal to the current playback progress and whose absolute value of the difference from the current playback progress is the smallest.
  • the fifth trigger operation may include a position adjustment operation for the viewing angle navigation slider
  • the viewing angle switching device provided in this embodiment may further include: a navigation bar display module configured to display the viewing angle navigation bar, wherein, The viewing angle navigation bar is provided with a viewing angle navigation slider, and different positions of the viewing angle navigation bar correspond to different viewing angles; the video frame display module can also be set to: determine the target in the second video stream Before navigating the video frame, the viewing angle indicated by the viewing angle navigation slider on the viewing angle navigation bar is used as the target navigation viewing angle.
  • the first trigger operation may include a trigger operation acting on the viewing angle navigation bar; and/or, the second triggering operation may include a clicking operation acting on the viewing angle navigation bar.
  • the viewing angle switching device provided in the embodiments of the present disclosure can execute the viewing angle switching method provided in any embodiment of the present disclosure, and has corresponding functional modules and effects for executing the viewing angle switching method.
  • the viewing angle switching method provided in any embodiment of the present disclosure can execute the viewing angle switching method provided in any embodiment of the present disclosure, and has corresponding functional modules and effects for executing the viewing angle switching method.
  • FIG. 7 it shows a schematic structural diagram of an electronic device (such as a terminal device) 700 suitable for implementing an embodiment of the present disclosure.
  • the terminal equipment in the embodiments of the present disclosure may include but not limited to mobile phones, notebook computers, digital broadcast receivers, personal digital assistants (Personal Digital Assistant, PDA), tablet computers (Portable Android Device, PAD), portable multimedia players (Portable Media Player, PMP), vehicle-mounted terminals (such as vehicle-mounted navigation terminals), etc., and fixed terminals such as digital televisions (Television, TV), desktop computers, etc.
  • PDA Personal Digital Assistant
  • PMP portable multimedia players
  • vehicle-mounted terminals such as vehicle-mounted navigation terminals
  • fixed terminals such as digital televisions (Television, TV), desktop computers, etc.
  • the electronic device 700 shown in FIG. 7 is only an example, and should not limit the functions and application scope of the embodiments of the present disclosure.
  • an electronic device 700 may include a processing device (such as a central processing unit, a graphics processing unit, etc.) 708 is loaded into a program in a random access memory (Random Access Memory, RAM) 703 to execute various appropriate actions and processes.
  • a processing device such as a central processing unit, a graphics processing unit, etc.
  • RAM Random Access Memory
  • various programs and data necessary for the operation of the electronic device 700 are also stored.
  • the processing device 701, ROM 702, and RAM 703 are connected to each other through a bus 704.
  • An input/output (Input/Output, I/O) interface 705 is also connected to the bus 704 .
  • an input device 706 including, for example, a touch screen, a touchpad, a keyboard, a mouse, a camera, a microphone, an accelerometer, a gyroscope, etc.; including, for example, a liquid crystal display (Liquid Crystal Display, LCD) , an output device 707 such as a speaker, a vibrator, etc.; a storage device 708 including, for example, a magnetic tape, a hard disk, etc.; and a communication device 709.
  • the communicator 709 may allow The electronic device 700 performs wireless or wired communication with other devices to exchange data.
  • FIG. 7 shows electronic device 700 having various means, it is not a requirement to implement or possess all of the means shown. More or fewer means may alternatively be implemented or provided.
  • embodiments of the present disclosure include a computer program product, which includes a computer program carried on a non-transitory computer readable medium, where the computer program includes program code for executing the method shown in the flowchart.
  • the computer program may be downloaded and installed from a network via communication means 709, or from storage means 708, or from ROM 702.
  • the processing device 701 When the computer program is executed by the processing device 701, the above-mentioned functions defined in the methods of the embodiments of the present disclosure are performed.
  • the computer-readable medium mentioned above in the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two.
  • a computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof.
  • Examples of computer readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer disks, hard disks, RAM, ROM, Erasable Programmable Read-Only Memory (EPROM) or flash memory), optical fiber, portable compact disk read-only memory (Compact Disc Read-Only Memory, CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
  • a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave carrying computer-readable program code therein. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can transmit, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device .
  • the program code contained on the computer readable medium can be transmitted by any appropriate medium, including but not limited to: electric wire, optical cable, radio frequency (Radio Frequency, RF), etc., or any suitable combination of the above.
  • the client and the server can communicate using any currently known or future network protocols such as HyperText Transfer Protocol (HyperText Transfer Protocol, HTTP), and can communicate with digital data in any form or medium Communications (eg, communication networks) are interconnected.
  • Examples of communication networks include local area network (Local Area Network, LAN), wide area network (Wide Area Network, WAN), Internet (for example, Internet) and peer-to-peer network (for example, ad hoc peer-to-peer network), and any currently existing networks that are known or developed in the future.
  • the above-mentioned computer-readable medium may be included in the above-mentioned electronic device, or may exist independently without being incorporated into the electronic device.
  • the above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by the electronic device, the electronic device: in the process of playing the current first video stream, in response to the first trigger operation, displaying a perspective navigation window, and playing a second video stream in the perspective navigation window, wherein the first trigger operation is used to instruct to play the second video stream, and the navigation video frame in the second video stream is from The video frames are extracted from different first video streams, the corresponding playback progress of different navigation video frames in corresponding first video streams is different, and different first video streams have different viewing angles; in response to the second trigger operation, the target The first video stream is used as the current first video stream, and the current first video stream is played, wherein the second trigger operation is used to instruct switching of the current first video stream, and the target first video stream is navigation with a viewing angle
  • the current navigation video frame displayed in the window has the first video stream of the same viewing angle.
  • Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, or combinations thereof, including but not limited to object-oriented programming languages—such as Java, Smalltalk, C++, and Includes conventional procedural programming languages - such as the "C" language or similar programming languages.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer can be connected to the user computer through any kind of network, including a LAN or WAN, or it can be connected to an external computer (eg via the Internet using an Internet Service Provider).
  • each block in a flowchart or block diagram may represent a module, program segment, or portion of code that contains one or more logical functions for implementing specified executable instructions.
  • the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved.
  • each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations can be implemented by a dedicated hardware-based system that performs the specified functions or operations , or may be implemented by a combination of dedicated hardware and computer instructions.
  • the units involved in the embodiments described in the present disclosure may be implemented by software or by hardware. Wherein, the name of the module does not constitute a limitation of the unit itself in one case.
  • exemplary types of hardware logic components include: Field Programmable Gate Arrays (Field Programmable Gate Arrays, FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (Application Specific Standard Parts, ASSP), System on Chip (System on Chip, SOC), Complex Programmable Logic Device (Complex Programming Logic Device, CPLD) and so on.
  • a machine-readable medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution system, apparatus, or device.
  • a machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium.
  • a machine-readable medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. Examples of machine-readable storage media would include one or more wire-based electrical connections, portable computer disks, hard drives, RAM, ROM, EPROM or flash memory, optical fibers, CD-ROMs, optical storage devices, magnetic storage devices, or Any suitable combination of the above.
  • Example 1 provides a viewing angle switching method, including:
  • the navigation video frames in the second video stream are extracted from video frames in different first video streams, and the corresponding playback progress of different navigation video frames in the corresponding first video streams is different, different the first video stream has a different viewing angle;
  • the target first video stream is used as the current first video stream, and the current first video stream is played, wherein the second trigger operation is used to instruct switching of the current first video stream, and the The target first video stream is the first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • example 2 is according to the method described in example 1, and playing the second video stream in the perspective navigation window includes:
  • the second video stream is played at the same progress in the viewing angle navigation window.
  • Example 4 according to the method described in any one of Examples 1-3, after playing the second video stream in the perspective navigation window, further includes:
  • the third trigger operation determines the first target playback progress corresponding to the third trigger operation, and display the navigation video frame corresponding to the first target playback progress in the second video stream in the viewing angle navigation window , and stop playing the second video stream, wherein the third trigger operation is used to instruct to switch the playback progress of the second video stream.
  • example 5 is according to the method described in example 4, the third trigger operation includes an operation for adjusting the position of the progress slider of the second video stream, and the method further includes:
  • a playback progress bar of the second video stream is displayed, wherein a progress slider is set on the playback progress bar.
  • Example 6 according to the method described in Example 4, after the stopping of playing the second video stream, further includes:
  • the fourth trigger operation determine the current playback progress of the current first video stream, adjust the playback progress of the second video stream to the current playback progress, and continue to play the The second video stream, wherein the fourth trigger operation is used to instruct to play the second video stream.
  • Example 7 is according to the method described in Example 4, the first trigger operation includes a trigger operation acting on a perspective navigation control.
  • Example 8 according to the method described in any one of Examples 1-3, after playing the second video stream in the perspective navigation window, further includes:
  • a fifth trigger operation determine a target navigation video frame in the second video stream, and display the target navigation video frame in the viewing angle navigation window, wherein the fifth trigger operation is used to indicate target navigation Viewing angle, the viewing angle of the target navigation video frame is the same as the target navigation viewing angle.
  • Example 9 According to the method described in Example 8, the displaying the target navigation video frame in the perspective navigation window includes:
  • Example 10 is according to the method described in Example 8, the fifth trigger operation includes an operation for adjusting the position of the viewing angle navigation slider, and the method further includes:
  • the angle of view navigation slider is set on the angle of view navigation bar
  • the angle of view navigation bar is set on the angle of view navigation bar.
  • Different positions of the corner navigation bar correspond to different viewing angles;
  • the target navigation video frame in the second video stream Before the determination of the target navigation video frame in the second video stream, it also includes:
  • the viewing angle indicated by the viewing angle navigation slider on the viewing angle navigation bar is used as the target navigation viewing angle.
  • example 11 is according to the method described in example 10, the first trigger operation includes a trigger operation acting on the perspective navigation bar; and/or, the second trigger operation includes The click operation applied to the perspective navigation bar.
  • Example 12 provides a viewing angle switching device, including:
  • the window display module is configured to display a viewing angle navigation window in response to a first trigger operation during playing the current first video stream, and play a second video stream in the viewing angle navigation window, wherein the first triggering The operation is used to instruct to play the second video stream, where the navigation video frames in the second video stream are obtained by extracting video frames from different first video streams, and the corresponding navigation video frames in the corresponding first video streams
  • the playback progress is different, and different first video streams have different perspectives;
  • the first playing module is configured to use the target first video stream as the current first video stream in response to the second trigger operation, and play the current first video stream, wherein the second trigger operation is used to instruct switching of the current first video stream
  • the first video stream, the target first video stream is a first video stream having the same viewing angle as the current navigation video frame displayed in the viewing angle navigation window.
  • Example 13 provides an electronic device, comprising:
  • processors one or more processors
  • memory configured to store one or more programs
  • the one or more processors are made to implement the viewing angle switching method described in any one of Examples 1-11.
  • Example 14 provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the perspective described in any one of Examples 1-11 is realized switching method.
  • Example 15 provides a computer program product.
  • the computer program product When the computer program product is executed by a computer, the computer implements the viewing angle switching method described in any one of Examples 1-11. .

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Abstract

本公开提供了视角的切换方法、装置、电子设备、存储介质和程序产品。该方法包括：在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同；响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。

Description

视角的切换方法、装置、电子设备、存储介质和程序产品
本申请要求在2022年02月21日提交中国专利局、申请号为202210158002.8的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本公开涉及计算机技术领域，例如涉及视角的切换方法、装置、电子设备、存储介质和程序产品。
背景技术
用户在观看视频时，可以通过切换视角查找自身喜欢的视角并在该视角下观看视频。相应的，客户端在检测到用户切换视角的操作时，会停止播放当前视角的视频，确定用户欲切换至的目标视角，获取目标视角的视频流，并在屏幕中播放该目标视角的视频流。
然而，相关技术中，用户查找并切换至自身喜欢的视角需要耗费较长的时间，导致用户体验不佳。
发明内容
本公开提供视角的切换方法、装置、电子设备、存储介质和程序产品，以缩短用户查找并切换至自身喜欢的视角所需耗费的时间。
第一方面，本公开提供了一种视角的切换方法，包括：
在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
第二方面，本公开还提供了一种视角的切换装置，包括：
窗口显示模块，设置为在播放当前第一视频流的过程中，响应于第一触发 操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
第一播放模块，设置为响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
第三方面，本公开还提供了一种电子设备，包括：
一个或多个处理器；
存储器，设置为存储一个或多个程序；
当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现上述的视角的切换方法。
第四方面，本公开实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现上述的视角的切换方法。
第五方面，本公开实施例还提供了一种计算机程序产品，当所述计算机程序产品被计算机执行，使得所述计算机实现上述的视角的切换方法。
附图说明
图1为本公开实施例提供的一种视角的切换方法的流程示意图；
图2为本公开实施例提供的一种视角导航窗口的显示示意图；
图3为本公开实施例提供的另一种视角导航窗口的显示示意图；
图4为本公开实施例提供的另一种视角的切换方法的流程示意图；
图5为本公开实施例提供的一种视角导航条示意图；
图6为本公开实施例提供的一种视角的切换装置的结构框图；
图7为本公开实施例提供的一种电子设备的结构示意图。
具体实施方式
下面将参照附图描述本公开的实施例。虽然附图中显示了本公开的一些实施例，然而本公开可以通过多种形式来实现，提供这些实施例是为了理解本公开。本公开的附图及实施例仅用于示例性作用。
本公开的方法实施方式中记载的多个步骤可以按照不同的顺序执行，和/或并行执行。此外，方法实施方式可以包括附加的步骤和/或省略执行示出的步骤。本公开的范围在此方面不受限制。
本文使用的术语“包括”及其变形是开放性包括，即“包括但不限于”。术语“基于”是“至少部分地基于”。术语“一个实施例”表示“至少一个实施例”；术语“另一实施例”表示“至少一个另外的实施例”；术语“一些实施例”表示“至少一些实施例”。其他术语的相关定义将在下文描述中给出。
本公开中提及的“第一”、“第二”等概念仅用于对不同的装置、模块或单元进行区分，并非用于限定这些装置、模块或单元所执行的功能的顺序或者相互依存关系。
本公开中提及的“一个”、“多个”的修饰是示意性而非限制性的，本领域技术人员应当理解，除非在上下文另有指出，否则应该理解为“一个或多个”。
本公开实施方式中的多个装置之间所交互的消息或者信息的名称仅用于说明性的目的，而并不是用于对这些消息或信息的范围进行限制。
图1为本公开实施例提供的一种视角的切换方法的流程示意图。该方法可以由视角的切换装置执行，其中，该装置可以由软件和/或硬件实现，可配置于电子设备中，例如，该装置可以配置在手机或平板电脑中。本公开实施例提供的视角的切换方法适用于切换观看视角的场景，尤其适用于切换直播的观看视角的情况。如图1所示，本实施例提供的视角的切换方法可以包括：
S101、在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角。
当前第一视频流可以为当前所播放的第一视频流。该第一视频流可以为在相应视角下拍摄得到的视频流，即与一视角对应的视频流。不同第一视频流可以对应不同的视角，从而，用户可以通过切换第一视频流的方式切换观看视角，如切换视频的观看视角和/或直播的观看视角等。
第一触发操作可以为指示电子设备播放第二视频流的操作，如作用于视角导航控件的触发操作和/或作用于视角导航条(如视角导航条中的视角导航滑块)的触发操作等。该视角导航控件和/或该视角导航条可以显示于用于播放第一视频流的视频播放窗口之内或之外。视角导航窗口可以为用于播放第二视频流的 窗口，其与上述视频播放窗口可以为不同的窗口。
第二视频流中可以包含有每一个第一视频流对应的视角下拍摄得到的视频帧，以便于用户通过查看不同视角下的相应视频帧确定其欲切换至的视角，并进行切换。
在本实施例中，服务器可以在直播过程中根据所接收到的多个第一视频流的视频帧生成第二视频流，或者，在视频作者上传视频的多个第一视频流之后，根据该多个第一视频流生成该上传视频的第二视频流。
可以按照顺时针或逆时针的方向，根据预设视频帧间隔(即第二视频流中相邻导航视频帧所对应的播放进度间隔)和预设抽取帧数(即每次从当前需要进行视频帧抽取的视角视频帧中抽取的视频帧的数量)，依次从多个视角视频帧中抽取预设数量的视频帧构成第二视频流。
举例而言，假设存在m(m为正整数)个第一视频流，每个第一视频流中位于同一位置的视频帧对应相同的播放进度，并假设预设抽取帧数为n(n为正整数)，预设视频帧间隔为视角视频帧中的视频帧间隔的p(p为正整数)倍，则可以依次抽取第一个第一视频流中的0、p、…、(n-1)p帧视频帧，第二个第一视频流中的np、…、(2n-1)p帧视频帧，……，第m个视角视频帧的(m-1)np、…、(mn-1)p帧视频帧作为第二视频流中的导航视频帧，并在抽取得到第m个第一视频流中的(m-1)np、…、(mn-1)p帧视频帧后，再次返回第一个第一视频流，抽取第一个第一视频流中的第mnp、…、[(m+1)n-1]p帧视频帧作为第二视频流中的视频帧，以此类推，即可得到第二视频流。
以n和p均为1为例，可以依次抽取第一个视角视频帧中的第0帧视频帧，第二个视角视频帧中的第1帧视频帧，……，第m个视角视频帧中的第m-1帧视频帧作为第二视频流中的视频帧，并在抽取得到第m个第一视频流中的第m-1帧视频帧之后，再次返回第一个第一视频流，抽取第一个第一视频流中的第m帧视频帧作为第二视频流中的视频帧，以此类推，得到第二视频流。
电子设备在视频播放窗口中播放当前第一视频流。从而，用户在欲查看第一视频流时，如在欲基于第二视频流查找自身欲切换至的第一视频流时，可以执行第一触发操作。相应的，电子设备在接收到用户的第一触发操作时，可以在继续播放当前第一视频流的同时，自服务器获取第二视频流，显示视角导航窗口，并在该视角导航窗口中播放该第二视频流。
在本实施例中，视角导航窗口的显示方式可以灵活设置，如可以在视频播放窗口内以悬浮窗的形式显示视角导航窗口(如图2所示)；在当前页面(即视频播放页面)中创建视角导航窗口，并按照该视角导航窗口的尺寸对应调整 视频播放窗口的尺寸，(如图3)；也可以显示导航窗口显示页面，在导航窗口显示页面中显示视角导航窗口，并继续保持在视频播放页面的视频播放窗口中播放当前第一视频流。
在本实施例中，当在视角导航窗口中播放第二视频流时，可以灵活设置第二视频流的播放起点，如可以以第二视频流的首帧视频帧为播放起点，播放第二视频流。可以以视频播放窗口中所播放的当前第一视频流在当前时刻的播放进度(即当前播放进度)为播放起点，播放第二视频流，以使得视角导航窗口中所播放的第二视频流与视频播放窗口内所播放的当前第一视频流具有相同的播放进度，为用户对比查看第二视频流中所展示的视频画面与其他第一视频流中所展示的视频画面(即第二视频流中所展示的视频画面)提供便利，使得用户可以快速确定自身欲切换至的第一视频流。此时，所述在所述视角导航窗口中播放第二视频流，可以包括：按照所述当前第一视频流的当前播放进度，在所述视角导航窗口中以相同进度播放第二视频流。
在本实施例中，通过在视角导航窗口中播放由多个视角下拍摄得到的视频帧构成的第二视频流，使得用户可以在继续观看视频播放窗口中所播放的当前第一视频流的同时，快速确定自身欲切换至的第一视频流，无需中断视频播放窗口中的当前第一视频流的播放，也无需通过反复切换第一视频流的方式查找自身欲切换至的第一视频流，能够缩短用户查找并切换至自身喜欢的第一视频流所耗费的时间，进而提升用户的体验。
S102、响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
第二触发操作可以为切换第一视频流的触发操作，该第二触发操作为触发视角切换控件的操作，或者，作用于视角导航条的点击操作。目标第一视频流可以为接收到第二触发操作时，与视角导航窗口中所显示的当前导航视频帧具有相同视角的第一视频流，如视角导航窗口中所显示的当前导航视频帧所属的第一视频流。相应的，该当前导航视频帧可以为接收到第二触发操作时，视频切换窗口中所显示的导航视频帧。
示例性的，电子设备在视角导航窗口中播放第二视频流。从而，用户可以在第二视频流中查看具有不同视角的导航视频帧，并在查看到自己对其视角较为满意的导航视频帧时，执行第二触发操作。相应的，电子设备在接收到用户的第二触发操作时，可以确定在接收到第二触发操作时视角导航窗口中所显示的当前导航视频帧，获取该当前导航视频帧所属的目标第一视频流，如确定该 当前导航视频帧所对应的视角，获取所对应的视角为该视角的第一视频流，作为目标第一视频流，并将视频播放窗口中所播放的当前第一视频流切换为该目标第一视频流。
在本实施例中，在将视频播放窗口中所播放的当前第一视频流切换为目标第一视频流之后，可以继续显示视角导航窗口，直至接收到关闭视角导航窗口的触发操作，以便于用户再次切换视频播放窗口中所播放的当前第一视频流；也可以关闭视角导航窗口，以便于用户查看视频播放窗口中所播放的当前第一视频流，此时，在所述将目标第一视频流作为当前第一视频流之后，还包括：关闭所述视角导航窗口。
本实施例提供的视角的切换方法，在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在该视角导航窗口中播放第二视频流，其中，该第一触发操作用于指示播放所述第二视频流，该第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第二视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；响应于第二触发操作，将与视角导航窗口中显示的当前导航视频帧具有相同视角的目标第一视频流作为当前第一视频流，并播放该当前视角视频帧，其中，该第二触发操作用于指示切换当前第一视频流。本实施例通过采用上述技术方案，能够缩短用户查找并切换至自身喜欢的第一视频流所耗费的时间，提升用户的体验。
图4为本公开实施例提供的另一种视角的切换方法的流程示意图。本实施例中的方案可以与上述实施例中的一个或多个方案组合。在所述视角导航窗口中播放第二视频流之后，还包括：响应于第三触发操作，确定所述第三触发操作对应的第一目标播放进度，在所述视角导航窗口中展示所述第二视频流中与所述第一目标播放进度对应的导航视频帧，并停止播放所述第二视频流，其中，所述第三触发操作用于指示切换所述第二视频流的播放进度。
在所述停止播放所述第二视频流之后，还包括：响应于第四触发操作，确定所述当前第一视频流的当前播放进度，将所述第二视频流的播放进度调整为所述当前播放进度，并继续在所述视角导航窗口中播放所述第二视频流，其中，所述第四触发操作用于指示播放所述第二视频流。
在所述视角导航窗口中播放第二视频流之后，还包括：响应于第五触发操作，确定所述第二视频流中的目标导航视频帧，并在所述视角导航窗口中展示所述目标导航视频帧，其中，所述第五触发操作用于指示目标导航视角，所述目标导航视频帧的视角与所述目标导航视角相同。
相应的，如图4所示，本实施例提供的视角的切换方法可以包括：
S201、在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，执行S202或S204，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角。
S202、响应于第三触发操作，确定所述第三触发操作对应的第一目标播放进度，在所述视角导航窗口中展示所述第二视频流中与所述第一目标播放进度对应的导航视频帧，并停止播放所述第二视频流，执行S203或S205，其中，所述第三触发操作用于指示切换所述第二视频流的播放进度。
第三触发操作可以为调整第二视频流的播放进度的触发操作，如在视角导航窗口内沿预设方向(如横向等)的滑动操作或者针对第二视频流的进度滑块的位置调整操作等。相应的，第一目标播放进度可以为该第三触发操作所调整至的播放进度。
用户在欲调整第二视频流的播放进度时，可以执行第三触发操作。相应的，电子设备在检测到用户的第三触发操作时，可以确定该第三触发操作所对应的第一目标播放进度，确定与该第一目标播放进度所对应的导航视频帧，即确定第二视频流中所对应的播放进度为该第一目标播放进度的导航视频帧，停止在视角导航窗口中播放第二视频流，并在视角导航窗口中展示该第一目标播放进度所对应的视角导航视频帧。
在一个实施方式中，所述第三触发操作包括针对所述第二视频流的进度滑块的位置调整操作，所述方法还包括：显示第二视频流的播放进度条，其中，所述播放进度条上设置有进度滑块。
在上述实施方式中，用户可以通过拖动第二视频流的播放进度条中的进度滑块的方式调整第二视频流的播放进度。
示例性的，电子设备在视角导航窗口中播放第二视频流时，可以展示该第二视频流的播放进度条20，如可以在视角导航窗口中展示该第二视频流的播放进度条20，并在该播放进度条20上显示播放进度滑块21，如图2和3所示。从而，用户在欲调整第二视频流的播放进度时，可以拖动该进度滑块21。相应的，电子设备在检测到用户拖动第二视频流的进度滑块21时，可以确定接收到针对第二视频流的第三触发操作，根据第二视频流的进度滑块21在第二视频流的播放进度条20中的位置，确定该第三触发操作所对应的第一目标播放进度，在视角导航窗口中显示第二视频流中与该第一目标播放进度对应的导航视频帧， 并停止播放第二视频流。
在本实施例中，当接收到第三触发操作时，停止播放第二视频流并展示第二视频流中与该第三触发操作所调整至的播放进度对应的导航视频帧，能够避免出现该导航视频帧仅展示较短时间即随着第二视频流的播放自动切换至下一导航视频帧进行展示的情况，为用户查看相应播放进度对应的导航视频帧，进而确定是否切换至相应视角提供便利。
在显示与第一目标播放进度对应的导航视频帧之后，当再次接收到针对第二视频流的第三触发操作时，可以再次基于该第三触发操作调整视角导航窗口中所显示的导航视频帧，以便于用户根据需要查看不同的导航视频帧。
S203、响应于第四触发操作，确定所述当前第一视频流的当前播放进度，将所述第二视频流的播放进度调整为所述当前播放进度，并继续在所述视角导航窗口中播放所述第二视频流，执行S205，其中，所述第四触发操作用于指示播放所述第二视频流。
在本实施例中，当用户执行针对第二视频流的第四触发操作时，可以以当前第一视频流播放至的当前播放进度为播放起点，继续在视角导航窗口中播放第二视频流，以便于用户继续对比查看在相应播放进度下当前播放视频流中的视频画面以及第二视频流中的视频画面。
第四触发操作可以为继续播放第二视频流的操作，如触发第二视频流的播放控件的操作等。
用户在查看完与第一目标播放进度对应的导航视频帧之后，若欲继续观看第二视频流，则可以执行第四触发操作，如触发第二视频流的播放控件。相应的，电子设备在接收到用户针对第二视频流的第四触发操作时，可以确定视频播放窗口中所播放的当前第一视频流的当前播放进度，按照该当前播放进度调整第二视频流的播放进度，并按照调整之后的播放进度继续在视角导航窗口中播放第二视频流。
S204、响应于第五触发操作，确定所述第二视频流中的目标导航视频帧，并在所述视角导航窗口中展示所述目标导航视频帧，其中，所述第五触发操作用于指示目标导航视角，所述目标导航视频帧的视角与所述目标导航视角相同。
第五触发操作可以为选择一视角进行导航的操作，如调整视角导航条中的视角导航滑块的位置的操作或者选择所显示的多个视角中的一视角作为导航视角的操作等。目标导航视角可以为该第五触发操作所选择的视角。目标导航视频帧可以为第二视频流中视角与目标导航视角相同的导航视频帧。
电子设备在视角导航窗口中播放第二视频流。从而，用户在欲查看第二视 频流中一视角的视频帧时，可以执行第五触发操作，如选择该视角作为导航视角。相应的，电子设备在接收到用户的第五触发操作时，可以将该第五触发操作所针对的视角作为导航视角，获取第二视频流中视角与该导航视角相同的目标导航视频帧，并在视角导航窗口中展示目标导航视频帧，如可以依次展示多个目标导航视频帧，或者，按照当前第一视频流的当前播放进度，在视角导航窗口中展示所对应的播放进度与当前第一视频流的当前播放进度最为接近的目标导航视频帧，等等。
在本实施例中，当接收到第五触发操作时，可以在视角导航窗口中向用户展示其所选择的导航视角对应的导航视频帧，从而，用户可以通过查看该视角下的不同导航视频帧确定是否将当前第一视频流切换为该视角所对应的第一视频流，能够为用户确定其欲切换至的第一视频流提供便利，提升用户的体验。
在一个实施方式中，所述第五触发操作包括针对视角导航滑块的位置调整操作，所述方法还包括：显示视角导航条，其中，所述视角导航条上设置有视角导航滑块，所述视角导航条的不同位置对应不同的视角；在所述确定所述第二视频流中的目标导航视频帧之前，还包括：将所述视角导航滑块在所述视角导航条上指示的视角作为目标导航视角。
在上述实施方式中，用户可以通过拖动视角导航条中的视角导航滑块的方式执行导航第二触发操作。
示例性的，电子设备可以在视角导航窗口中播放第二视频流时，或者，在视频播放窗口中播放当前第一视频流时，显示视角导航条50，如可以在视频播放窗口中显示视角导航条50，并在该视角导航条50上显示视角导航滑块51，如图5所示(图中以采用悬浮窗的形式显示视角导航窗口为例)。从而，用户在欲查看一视角的导航视频帧时，可以将该视角导航滑块51拖动至该视角对应的位置。相应的，电子设备在检测到用户拖动视角导航条50中的视角导航滑块51时，可以确定接收到第五触发操作，根据视角导航滑块51在视角导航条50中的位置确定目标导航视角，如将视角导航滑块51在视角导航条50上所指示的视角作为目标导航视角，获取第二视频流中视角为该目标导航视角的目标导航视频帧，并在视角导航窗口中展示所获取到的目标导航视频帧。
在本实施例中，可以按照当前第一视频流的当前播放进度展示目标导航视频帧，如可以展示距离当前第一视频流的当前播放进度最近且所对应的播放进度位于该当前播放进度之前或者与该当前播放进度相同的目标视频帧。此时，所述在所述视角导航窗口中展示所述目标导航视频帧，可以包括：按照所述当前第一视频流的当前播放进度，获取当前目标导航视频帧，并在所述视角导航窗口中展示所述当前目标导航视频帧，其中，所述当前目标导航视频帧为所对 应的第二目标播放进度小于或等于所述当前播放进度，且，与所述当前播放进度的进度之差的绝对值最小的目标导航视频帧。在此，该当前目标导航视频帧可以为按照当前第一视频流的当前播放进度所确定的、当前时刻需要在视角导航窗口中进行展示的目标导航视频帧，其可以为距离当前第一视频流的当前播放进度最近且所对应的播放进度位于该当前播放进度之前或者与该当前播放进度相同的目标视频帧。相应的，第二目标播放进度为目标导航视频帧所对应的播放进度。
S205、响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
在一个实施方式中，电子设备可以在视频播放窗口中播放当前第一视频流，并显示视角导航控件。用户在欲查看第二视频流时，可以触发该视角导航控件。相应的，电子设备在检测到用户触发视角导航控件时，可以显示视角导航窗口，按照当前第一视频流的当前播放进度，在视角导航窗口中播放第二视频流，并在视角导航窗口中显示第二视频流的播放进度条和视角切换控件。从而，用户可以通过拖动该播放进度条中的进度滑块执行第三触发操作，以指示电子设备在视角导航窗口中显示相应播放进度处的导航视频帧；并可以通过触发该视角切换控件执行第二触发操作，以指示电子设备将视频播放窗口中所播放的当前第一视频流切换为当前时刻视角导航窗口中所显示的视频帧所属的目标第一视频流。
在另一个实施方式中，电子设备可以在视频播放窗口中播放当前第一视频流，并显示视角导航条。从而，用户可以通过拖动视角导航条中的视角导航滑块指示电子设备展示相应视角的目标导航视频帧，并可以通过点击视角导航条中的视角导航滑块切换视频播放窗口中所播放的当前第一视频流。
例如，电子设备在检测到作用于视角导航滑块的按下事件时，可以显示视角导航窗口，并按照当前第一视频流的当前播放进度，在视角导航窗口中播放第二视频流。
若在该按下事件之后，检测到与该按下事件对应的拖动事件，则可以基于该拖动事件调整视角导航滑块在视角导航条中的位置，根据该位置确定目标导航视角，并在视角导航窗口中展示视角与该目标导航视角相同的导航视频帧。当用户停止拖动视角导航滑块时，如在拖动事件之后检测到抬起事件时，可以不切换当前第一视频流，并继续在视角导航窗口中展示相应的导航视频帧；也可以切换当前第一视频流，如，将接收到抬起事件时视角导航滑块所指示的视 角作为待切换视角，获取视角与该待切换视角相同的目标第一视频流，并将视频播放窗口中所播放的当前第一视频流切换为该目标第一视频流。
若在该按下事件之后，检测到与该按下事件对应的抬起事件，即在接收到作用于视角导航滑块的点击操作时，可以将接收到抬起事件时视角导航滑块所指示的视角作为待切换视角，获取视角与该待切换视角相同的目标第一视频流，并将视频播放窗口中所播放的当前第一视频流切换为该目标第一视频流。
此外，还可以预先设置撤销手势，如将向一设定方向(如向上或向下等)滑动的手势设置为撤销手势，以供用户在执行上述拖动操作或点击操作的过程中，撤销对当前第一视频流的切换。例如，若在上述按下事件或拖动事件之后，并未检测到抬起事件，而是检测到了预先设置的撤销手势，则可以停止显示视角导航窗口，并继续在视频播放窗口中播放当前第一视频流。
本实施例提供的视角的切换方法，基于用户的触发操作，在视频播放窗口中显示相应视角的导航视频帧，能够为用户确定其欲切换至的第一视频流提供便利，提升用户的体验。
图6为本公开实施例提供的一种视角的切换装置的结构框图。该装置可以由软件和/或硬件实现，可配置于电子设备中，例如，该装置可以配置在手机或平板电脑中，可通过执行视角的切换方法进行视角切换。如图6所示，本实施例提供的视角的切换装置可以包括：窗口显示模块601和第一播放模块602，其中，
窗口显示模块601，设置为在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；第一播放模块602，设置为响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
本实施例提供的视角的切换装置，通过窗口显示模块601在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在该视角导航窗口中播放第二视频流，其中，该第一触发操作用于指示播放所述第二视频流，该第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同 导航视频帧在相应第二视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；通过第一播放模块602响应于第二触发操作，将与视角导航窗口中显示的当前导航视频帧具有相同视角的目标第一视频流作为当前第一视频流，并播放该当前视角视频帧，其中，该第二触发操作用于指示切换当前第一视频流。本实施例通过采用上述技术方案，能够缩短用户查找并切换至自身喜欢的第一视频流所耗费的时间，提升用户的体验。
在上述方案中，所述窗口显示模块601可以设置为：按照所述当前第一视频流的当前播放进度，在所述视角导航窗口中以相同进度播放第二视频流。
本实施例提供的视角的切换装置还可以包括：窗口关闭模块，设置为在所述将目标第一视频流作为当前第一视频流之后，关闭所述视角导航窗口。
本实施例提供的视角的切换装置还可以包括：进度调整模块，设置为在所述视角导航窗口中播放第二视频流之后，响应于第三触发操作，确定所述第三触发操作对应的第一目标播放进度，在所述视角导航窗口中展示所述第二视频流中与所述第一目标播放进度对应的导航视频帧，并停止播放所述第二视频流，其中，所述第三触发操作用于指示切换所述第二视频流的播放进度。
在上述方案中，所述第三触发操作可以包括针对所述第二视频流的进度滑块的位置调整操作，所述窗口显示模块601还可以设置为：显示第二视频流的播放进度条，其中，所述播放进度条上设置有进度滑块。
本实施例提供的视角的切换装置还可以包括：第二播放模块，设置为在所述停止播放所述第二视频流之后，响应于第四触发操作，确定所述当前第一视频流的当前播放进度，将所述第二视频流的播放进度调整为所述当前播放进度，并继续在所述视角导航窗口中播放所述第二视频流，其中，所述第四触发操作用于指示播放所述第二视频流。
在上述方案中，所述第一触发操作可以包括作用于视角导航控件的触发操作。
本实施例提供的视角的切换装置还可以包括：视频帧展示模块，设置为在所述视角导航窗口中播放第二视频流之后，响应于第五触发操作，确定所述第二视频流中的目标导航视频帧，并在所述视角导航窗口中展示所述目标导航视频帧，其中，所述第五触发操作用于指示目标导航视角，所述目标导航视频帧的视角与所述目标导航视角相同。
在上述方案中，所述视频帧展示模块可以设置为：按照所述当前第一视频流的当前播放进度，获取当前目标导航视频帧，并在所述视角导航窗口中展示所述当前目标导航视频帧，其中，所述当前目标导航视频帧为所对应的第二目 标播放进度小于或等于所述当前播放进度，且，与所述当前播放进度的进度之差的绝对值最小的目标导航视频帧。
在上述方案中，所述第五触发操作可以包括针对视角导航滑块的位置调整操作，本实施例提供的视角的切换装置还可以包括：导航条显示模块，设置为显示视角导航条，其中，所述视角导航条上设置有视角导航滑块，所述视角导航条的不同位置对应不同的视角；所述视频帧展示模块还可以设置为：在所述确定所述第二视频流中的目标导航视频帧之前，将所述视角导航滑块在所述视角导航条上指示的视角作为目标导航视角。
在上述方案中，所述第一触发操作可以包括作用于所述视角导航条的触发操作；和/或，所述第二触发操作可以包括作用于所述视角导航条的点击操作。
本公开实施例提供的视角的切换装置可执行本公开任意实施例提供的视角的切换方法，具备执行视角的切换方法相应的功能模块和效果。未在本实施例中详尽描述的技术细节，可参见本公开任意实施例所提供的视角的切换方法。
下面参考图7，其示出了适于用来实现本公开实施例的电子设备(例如终端设备)700的结构示意图。本公开实施例中的终端设备可以包括但不限于诸如移动电话、笔记本电脑、数字广播接收器、个人数字助理(Personal Digital Assistant，PDA)、平板电脑(Portable Android Device，PAD)、便携式多媒体播放器(Portable Media Player，PMP)、车载终端(例如车载导航终端)等等的移动终端以及诸如数字电视(Television，TV)、台式计算机等等的固定终端。图7示出的电子设备700仅仅是一个示例，不应对本公开实施例的功能和使用范围带来任何限制。
如图7所示，电子设备700可以包括处理装置(例如中央处理器、图形处理器等)701，其可以根据存储在只读存储器(Read-Only Memory，ROM)702中的程序或者从存储装置708加载到随机访问存储器(Random Access Memory，RAM)703中的程序而执行多种适当的动作和处理。在RAM 703中，还存储有电子设备700操作所需的多种程序和数据。处理装置701、ROM 702以及RAM703通过总线704彼此相连。输入/输出(Input/Output，I/O)接口705也连接至总线704。
通常，以下装置可以连接至I/O接口705：包括例如触摸屏、触摸板、键盘、鼠标、摄像头、麦克风、加速度计、陀螺仪等的输入装置706；包括例如液晶显示器(Liquid Crystal Display，LCD)、扬声器、振动器等的输出装置707；包括例如磁带、硬盘等的存储装置708；以及通信装置709。通信装置709可以允许 电子设备700与其他设备进行无线或有线通信以交换数据。虽然图7示出了具有多种装置的电子设备700，并不要求实施或具备所有示出的装置。可以替代地实施或具备更多或更少的装置。
根据本公开的实施例，上文参考流程图描述的过程可以被实现为计算机软件程序。例如，本公开的实施例包括一种计算机程序产品，其包括承载在非暂态计算机可读介质上的计算机程序，该计算机程序包含用于执行流程图所示的方法的程序代码。在这样的实施例中，该计算机程序可以通过通信装置709从网络上被下载和安装，或者从存储装置708被安装，或者从ROM 702被安装。在该计算机程序被处理装置701执行时，执行本公开实施例的方法中限定的上述功能。
本公开上述的计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质或者是上述两者的任意组合。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的例子可以包括但不限于：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、RAM、ROM、可擦式可编程只读存储器(Erasable Programmable Read-Only Memory，EPROM或闪存)、光纤、便携式紧凑磁盘只读存储器(Compact Disc Read-Only Memory，CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本公开中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。而在本公开中，计算机可读信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。计算机可读信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读信号介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括但不限于：电线、光缆、射频(Radio Frequency，RF)等等，或者上述的任意合适的组合。
在一些实施方式中，客户端、服务器可以利用诸如超文本传输协议(HyperText Transfer Protocol，HTTP)之类的任何当前已知或未来研发的网络协议进行通信，并且可以与任意形式或介质的数字数据通信(例如，通信网络)互连。通信网络的示例包括局域网(Local Area Network，LAN)，广域网(Wide Area Network，WAN)，网际网(例如，互联网)以及端对端网络(例如，ad hoc端对端网络)，以及任何当前已知或未来研发的网络。
上述计算机可读介质可以是上述电子设备中所包含的；也可以是单独存在，而未装配入该电子设备中。
上述计算机可读介质承载有一个或者多个程序，当上述一个或者多个程序被该电子设备执行时，使得该电子设备：在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
可以以一种或多种程序设计语言或其组合来编写用于执行本公开的操作的计算机程序代码，上述程序设计语言包括但不限于面向对象的程序设计语言—诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络——包括LAN或WAN—连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。
附图中的流程图和框图，图示了按照本公开多种实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分，该模块、程序段、或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意，在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个接连地表示的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或操作的专用的基于硬件的系统来实现，或者可以用专用硬件与计算机指令的组合来实现。
描述于本公开实施例中所涉及到的单元可以通过软件的方式实现，也可以通过硬件的方式来实现。其中，模块的名称在一种情况下并不构成对该单元本身的限定。
本文中以上描述的功能可以至少部分地由一个或多个硬件逻辑部件来执行。例如，非限制性地，可以使用的示范类型的硬件逻辑部件包括：现场可编程门阵列(Field Programmable Gate Array，FPGA)、专用集成电路(Application Specific Integrated Circuit，ASIC)、专用标准产品(Application Specific Standard Parts，ASSP)、片上系统(System on Chip，SOC)、复杂可编程逻辑设备(Complex Programming Logic Device，CPLD)等等。
在本公开的上下文中，机器可读介质可以是有形的介质，其可以包含或存储以供指令执行系统、装置或设备使用或与指令执行系统、装置或设备结合地使用的程序。机器可读介质可以是机器可读信号介质或机器可读储存介质。机器可读介质可以包括但不限于电子的、磁性的、光学的、电磁的、红外的、或半导体系统、装置或设备，或者上述内容的任何合适组合。机器可读存储介质的示例会包括基于一个或多个线的电气连接、便携式计算机盘、硬盘、RAM、ROM、EPROM或快闪存储器、光纤、CD-ROM、光学储存设备、磁储存设备、或上述内容的任何合适组合。
根据本公开的一个或多个实施例，示例1提供了一种视角的切换方法，包括：
在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
根据本公开的一个或多个实施例，示例2根据示例1所述的方法，所述在所述视角导航窗口中播放第二视频流，包括：
按照所述当前第一视频流的当前播放进度，在所述视角导航窗口中以相同进度播放第二视频流。
根据本公开的一个或多个实施例，示例3根据示例1所述的方法，在所述将目标第一视频流作为当前第一视频流之后，还包括：
关闭所述视角导航窗口。
根据本公开的一个或多个实施例，示例4根据示例1-3任一所述的方法，在所述视角导航窗口中播放第二视频流之后，还包括：
响应于第三触发操作，确定所述第三触发操作对应的第一目标播放进度，在所述视角导航窗口中展示所述第二视频流中与所述第一目标播放进度对应的导航视频帧，并停止播放所述第二视频流，其中，所述第三触发操作用于指示切换所述第二视频流的播放进度。
根据本公开的一个或多个实施例，示例5根据示例4所述的方法，所述第三触发操作包括针对所述第二视频流的进度滑块的位置调整操作，所述方法还包括：
显示第二视频流的播放进度条，其中，所述播放进度条上设置有进度滑块。
根据本公开的一个或多个实施例，示例6根据示例4所述的方法，在所述停止播放所述第二视频流之后，还包括：
响应于第四触发操作，确定所述当前第一视频流的当前播放进度，将所述第二视频流的播放进度调整为所述当前播放进度，并继续在所述视角导航窗口中播放所述第二视频流，其中，所述第四触发操作用于指示播放所述第二视频流。
根据本公开的一个或多个实施例，示例7根据示例4所述的方法，所述第一触发操作包括作用于视角导航控件的触发操作。
根据本公开的一个或多个实施例，示例8根据示例1-3任一所述的方法，在所述视角导航窗口中播放第二视频流之后，还包括：
响应于第五触发操作，确定所述第二视频流中的目标导航视频帧，并在所述视角导航窗口中展示所述目标导航视频帧，其中，所述第五触发操作用于指示目标导航视角，所述目标导航视频帧的视角与所述目标导航视角相同。
根据本公开的一个或多个实施例，示例9根据示例8所述的方法，所述在所述视角导航窗口中展示所述目标导航视频帧，包括：
按照所述当前第一视频流的当前播放进度，获取当前目标导航视频帧，并在所述视角导航窗口中展示所述当前目标导航视频帧，其中，所述当前目标导航视频帧为所对应的第二目标播放进度小于或等于所述当前播放进度，且，与所述当前播放进度的进度之差的绝对值最小的目标导航视频帧。
根据本公开的一个或多个实施例，示例10根据示例8所述的方法，所述第五触发操作包括针对视角导航滑块的位置调整操作，所述方法还包括：
显示视角导航条，其中，所述视角导航条上设置有视角导航滑块，所述视 角导航条的不同位置对应不同的视角；
在所述确定所述第二视频流中的目标导航视频帧之前，还包括：
将所述视角导航滑块在所述视角导航条上指示的视角作为目标导航视角。
根据本公开的一个或多个实施例，示例11根据示例10所述的方法，所述第一触发操作包括作用于所述视角导航条的触发操作；和/或，所述第二触发操作包括作用于所述视角导航条的点击操作。
根据本公开的一个或多个实施例，示例12提供了一种视角的切换装置，包括：
窗口显示模块，设置为在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
第一播放模块，设置为响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
根据本公开的一个或多个实施例，示例13提供了一种电子设备，包括：
一个或多个处理器；
存储器，设置为存储一个或多个程序；
当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如示例1-11中任一所述的视角的切换方法。
根据本公开的一个或多个实施例，示例14提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现如示例1-11中任一所述的视角的切换方法。
根据本公开的一个或多个实施例，示例15提供了一种计算机程序产品，当所述计算机程序产品被计算机执行，使得所述计算机实现如示例1-11任一所述的视角的切换方法。
此外，虽然采用特定次序描绘了多个操作，但是这不应当理解为要求这些操作以所示出的特定次序或以顺序次序执行来执行。在一定环境下，多任务和并行处理可能是有利的。同样地，虽然在上面论述中包含了多个实现细节，但 是这些不应当被解释为对本公开的范围的限制。在单独的实施例的上下文中描述的一些特征还可以组合地实现在单个实施例中。相反地，在单个实施例的上下文中描述的多种特征也可以单独地或以任何合适的子组合的方式实现在多个实施例中。

Claims (15)

  1. 一种视角的切换方法，包括：
    在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
    响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与所述视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
  2. 根据权利要求1所述的方法，其中，所述在所述视角导航窗口中播放第二视频流，包括：
    按照所述当前第一视频流的当前播放进度，在所述视角导航窗口中以相同进度播放第二视频流。
  3. 根据权利要求1所述的方法，在所述将目标第一视频流作为当前第一视频流之后，还包括：
    关闭所述视角导航窗口。
  4. 根据权利要求1-3任一所述的方法，在所述视角导航窗口中播放第二视频流之后，还包括：
    响应于第三触发操作，确定所述第三触发操作对应的第一目标播放进度，在所述视角导航窗口中展示所述第二视频流中与所述第一目标播放进度对应的导航视频帧，并停止播放所述第二视频流，其中，所述第三触发操作用于指示切换所述第二视频流的播放进度。
  5. 根据权利要求4所述的方法，其中，所述第三触发操作包括针对所述第二视频流的进度滑块的位置调整操作，所述方法还包括：
    显示所述第二视频流的播放进度条，其中，所述播放进度条上设置有所述进度滑块。
  6. 根据权利要求4所述的方法，其中，在所述停止播放所述第二视频流之后，还包括：
    响应于第四触发操作，确定所述当前第一视频流的当前播放进度，将所述第二视频流的播放进度调整为所述当前播放进度，并继续在所述视角导航窗口 中播放所述第二视频流，其中，所述第四触发操作用于指示播放所述第二视频流。
  7. 根据权利要求4所述的方法，其中，所述第一触发操作包括作用于视角导航控件的触发操作。
  8. 根据权利要求1-3任一所述的方法，在所述视角导航窗口中播放第二视频流之后，还包括：
    响应于第五触发操作，确定所述第二视频流中的目标导航视频帧，并在所述视角导航窗口中展示所述目标导航视频帧，其中，所述第五触发操作用于指示目标导航视角，所述目标导航视频帧的视角与所述目标导航视角相同。
  9. 根据权利要求8所述的方法，其中，所述在所述视角导航窗口中展示所述目标导航视频帧，包括：
    按照所述当前第一视频流的当前播放进度，获取当前目标导航视频帧，并在所述视角导航窗口中展示所述当前目标导航视频帧，其中，所述当前目标导航视频帧为所对应的第二目标播放进度小于或等于所述当前播放进度，且，与所述当前播放进度的进度之差的绝对值最小的目标导航视频帧。
  10. 根据权利要求8所述的方法，其中，所述第五触发操作包括针对视角导航滑块的位置调整操作，所述方法还包括：
    显示视角导航条，其中，所述视角导航条上设置有视角导航滑块，所述视角导航条的不同位置对应不同的视角；
    在所述确定所述第二视频流中的目标导航视频帧之前，还包括：
    将所述视角导航滑块在所述视角导航条上指示的视角作为所述目标导航视角。
  11. 根据权利要求10所述的方法，满足以下至少之一：
    所述第一触发操作包括作用于所述视角导航条的触发操作；
    所述第二触发操作包括作用于所述视角导航条的点击操作。
  12. 一种视角的切换装置，包括：
    窗口显示模块，设置为在播放当前第一视频流的过程中，响应于第一触发操作，显示视角导航窗口，并在所述视角导航窗口中播放第二视频流，其中，所述第一触发操作用于指示播放所述第二视频流，所述第二视频流中的导航视频帧自不同第一视频流中进行视频帧抽取得到，不同导航视频帧在相应第一视频流中所对应的播放进度不相同，不同第一视频流具有不同的视角；
    第一播放模块，设置为响应于第二触发操作，将目标第一视频流作为当前第一视频流，并播放所述当前第一视频流，其中，所述第二触发操作用于指示切换当前第一视频流，所述目标第一视频流为与所述视角导航窗口中显示的当前导航视频帧具有相同视角的第一视频流。
  13. 一种电子设备，包括：
    至少一个处理器；
    存储器，设置为存储至少一个程序；
    当所述至少一个程序被所述至少一个处理器执行，使得所述至少一个处理器实现如权利要求1-11中任一所述的视角的切换方法。
  14. 一种计算机可读存储介质，存储有计算机程序，所述程序被处理器执行时实现如权利要求1-11中任一所述的视角的切换方法。
  15. 一种计算机程序产品，当所述计算机程序产品被计算机执行，使得所述计算机实现如权利要求1-11任一所述的视角的切换方法。
PCT/CN2023/074745 2022-02-21 2023-02-07 视角的切换方法、装置、电子设备、存储介质和程序产品 WO2023155708A1 (zh)

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