WO2017206810A1 - Procédé et système de commande d'avance rapide/retour d'un lecteur - Google Patents

Procédé et système de commande d'avance rapide/retour d'un lecteur Download PDF

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Publication number
WO2017206810A1
WO2017206810A1 PCT/CN2017/086120 CN2017086120W WO2017206810A1 WO 2017206810 A1 WO2017206810 A1 WO 2017206810A1 CN 2017086120 W CN2017086120 W CN 2017086120W WO 2017206810 A1 WO2017206810 A1 WO 2017206810A1
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WIPO (PCT)
Prior art keywords
sampling point
audio
user
video file
fast forward
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PCT/CN2017/086120
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English (en)
Chinese (zh)
Inventor
王媚
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深圳创维数字技术有限公司
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Publication of WO2017206810A1 publication Critical patent/WO2017206810A1/fr

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    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-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
    • H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play

Definitions

  • the present disclosure relates to the field of player technologies, for example, to a method and system for controlling fast forward and rewind of a player.
  • the fast forward and rewind operation mode used in the prior art player is that the player specifies a fixed movement variable T, that is, the length of time that the user can only move T every time the user rewinds or fast forwards, when the user uses When fast forward and rewind, it is difficult for the user to quickly and accurately move to the user's ideal position.
  • the present disclosure aims to provide a control method and system for fast forward and rewind of a player, and aims to solve the method of fast forward and rewind used on the player in the prior art.
  • the fixed movement variable T that is, the length of time that the user can only move T every time the user rewinds or fast forwards, when the user uses the fast forward and rewind operation, the user is difficult to quickly and accurately move to the user's ideal position. defect.
  • a method for controlling a fast forward and rewind of a player comprising:
  • the current playback position of the audio and video file playback is obtained in real time; And obtaining and judging the user's operation;
  • the play position is positioned to an intermediate position between the initial position of the audio and video file playback and the current play position.
  • the pre-acquiring and currently storing the currently played audio and video file data includes:
  • a time point is sampled in each of the N playback segments, N sampling time points are generated, and N sampling time points are arranged into an array of progress bars in a play order and stored, where N is a natural number.
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playing position is recorded as A[now]
  • the playing position is positioned to an intermediate position between the current playing position and the end position of the audio and video file playback, including:
  • the sampling point A[temp1] is positioned to a position corresponding to the sampling point between the sampling point A[now] and the sampling point A[i];
  • sampling point A[temp1] is repositioned to the position corresponding to the sampling point between the sampling point A[0] and the current sampling point A[temp1].
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playing position is recorded as A[now]
  • the playing position is positioned to an intermediate position between the initial position of the audio and video file playback and the current playing position.
  • the sampling point A[temp2] is positioned to a position corresponding to the sampling point between the sampling point A[0] and the sampling point A[now];
  • sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the current sampling point A[temp2] and the sampling point A[i].
  • the method before the pre-acquiring the currently played audio and video file data and storing the data, the method further includes:
  • a cancel button is set in advance to cancel the positioning of this wheel.
  • a control system for fast forward and rewind of a player comprising:
  • Pre-acquiring and storing the module setting to pre-acquire the currently played audio and video file data and storing;
  • the judging module is configured to acquire the current playing position of the audio and video file playing in real time during the playing of the audio and video file; and obtain and judge the operation of the user;
  • a first positioning module configured to: if the operation of the user is determined to be a fast forward operation, positioning the play position to an intermediate position between the current play position and the end position of the audio and video file;
  • the second positioning module is configured to: if the operation of the user is determined to be a fast reverse operation, position the play position to an intermediate position between the initial position of the audio and video file playback and the current play position.
  • the pre-acquisition and storage module specifically includes:
  • the pre-acquisition unit is configured to pre-acquire the duration of playing the audio and video file, and divide into N pieces according to the playing duration in units of seconds;
  • the storage unit is configured to respectively sample a time point in the N pieces of play, generate N sampling time points, arrange the N sampling time points into an array of progress bars in a play order, and store the same.
  • Medium N is a natural number.
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playback position is recorded as A[now]
  • the first positioning module specifically includes:
  • the first detecting and positioning unit is configured to position the sampling point A[temp1] to a position corresponding to the sampling point between the sampling point A[now] and the sampling point A[i] if the user operates as a fast forward operation ;
  • the second detecting and locating unit is configured to determine an operation performed by the user again. If the user performs the fast forward operation again, the sampling point A[temp1] is repositioned to the middle of the sampling point A[temp1] and the sampling point A[i] The position corresponding to the sampling point; if the user performs the fast rewind operation again, the sampling point A[temp1] is repositioned to the position corresponding to the sampling point between the sampling point A[0] and the current sampling point A[temp1].
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playback position is recorded as A[now]
  • the second positioning module specifically includes:
  • the third detecting and locating unit is configured to position the sampling point A[temp2] to a position corresponding to the sampling point between the sampling point A[0] and the sampling point A[now] if the user operates as a fast rewinding operation ;
  • the fourth detecting and locating unit is configured to determine the operation performed by the user again. If the user performs the fast rewinding operation again, the sampling point A[temp2] is repositioned to the middle of the sampling point A[0] and the current sampling point A[temp2]. If the user performs the fast forward operation again, the sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the current point A[temp2] and the sampling point A[i] of the sampling point.
  • system further includes:
  • the module is preset, and a cancel button is set in advance to cancel the positioning of the wheel.
  • a non-transitory computer readable storage medium storing computer executable instructions arranged to perform the above method.
  • An electronic device comprising:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method described above.
  • the present disclosure provides a control method and system for fast forward and rewind of a player.
  • the present disclosure uses a binary search method to quickly locate a fast forward or fast backward position of a user, and the speed is fast and the search is accurate. It is convenient for users to play audio and video files.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for controlling fast forward and rewind of a player according to the present disclosure
  • Embodiment 2 is a flowchart of Embodiment 2 of a method for controlling fast forward and rewind of a player according to the present disclosure
  • Embodiment 3 is a flowchart of Embodiment 3 of a method for controlling fast forward and rewind of a player according to the present disclosure
  • Embodiment 4 is a flowchart of Embodiment 4 of a method for controlling fast forward and rewind of a player according to the present disclosure
  • FIG. 5 is a functional block diagram of a preferred embodiment of a fast forward and rewind control system for a player according to the present disclosure
  • FIG. 6 is a functional block diagram of a pre-acquisition and storage module of a specific application embodiment of a fast forward and rewind control system for a player according to the present disclosure
  • FIG. 7 is a functional block diagram of a first positioning module of a specific application embodiment of a fast forward and rewind control system for a player according to the present disclosure
  • FIG. 8 is a functional block diagram of a second positioning module of a specific application embodiment of a fast forward and rewind control system for a player according to the present disclosure
  • FIG. 9 is a schematic diagram showing the hardware structure of an electronic device according to the present disclosure.
  • the present disclosure provides a flowchart of a preferred embodiment of a method for controlling a fast forward and rewind of a player, as shown in FIG. 1 , wherein the method includes:
  • Step 100 Acquire and store the currently played audio and video file data in advance.
  • the basic information of the currently played audio and video file may be obtained in advance, including but not limited to the type, size, and length of the audio and video file, thereby composing related data of the audio and video file, and performing storage.
  • step 200 during the playing of the audio and video file, the current playing position of the audio and video file is obtained in real time, and the operation of the user is obtained and determined. If the operation of the user is determined to be a fast forward operation, step 300 is performed. If the operation of the user is a fast rewind operation, step 400 is performed.
  • Step 300 Position the play position to an intermediate position between the current play position and the end position of the audio and video file.
  • Step 400 Position the play position to an intermediate position between the initial position of the audio and video file playback and the current play position.
  • the player of the audio and video file in step 100 is an audio player or a video player.
  • the flow of the second embodiment is basically the same as that of the first embodiment.
  • the difference is that the step 100 of the first embodiment is replaced by the step 101 and the step 102 of the second embodiment, wherein the step 101 and the step 102 are specifically:
  • Step 101 Pre-acquire the duration of playing the audio and video file, and divide it into N pieces according to the playing duration in units of seconds.
  • Step 102 Sampling a time point in each of the N play segments, generating N sampling time points, and arranging the N sampling time points into an array of progress bars in a play order, and storing N, wherein N is a natural number.
  • the method pre-defines the array A[N] to represent an array of progress bars for video playback, the unit can be set to seconds, A[0] represents the starting position of the video, and A[N] represents the last position of the video. A[now] indicates the current viewing position of the user, and A[temp] indicates the temporary position during the movement.
  • the process steps of the third embodiment are substantially the same as those of the first embodiment.
  • the step 300 of the first embodiment is replaced by the step 301 and the step 302 of the third embodiment.
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playback position is recorded as A[now]
  • steps 301 and 302 are specifically:
  • Step 301 If the user operation is a fast forward operation, the sampling point A[temp1] is located to a position corresponding to the sampling point between the sampling point A[now] and the sampling point A[i].
  • Step 302 Determine an operation performed by the user again. If the user performs the fast forward operation again, relocate the sampling point A[temp1] to the sampling point between the current sampling point A[temp1] and the sampling point A[i]. Position; if the user performs the fast rewind operation again, the sampling point A[temp1] is repositioned to the position corresponding to the sampling point between the sampling point A[0] and the current sampling point A[temp1].
  • A[temp1] represents a sampling point of an intermediate position between the current playback position A[now] and the end position A[i]. Assuming the first step of the user's operation is fast forward, then the sampling point A[temp1] Position the position corresponding to the sampling point between the sampling point A[now] and the sampling point A[i]. In the second step, if the user continues to fast forward, reposition the sampling point A[temp1] to the current sampling point A[temp1 ] The position corresponding to the sampling point in the middle of the sampling point A[i], if the second step user is backward, the sampling point A[temp1] is relocated to the sampling point A[0] and the current sampling point A[temp1] The position corresponding to the sampling point in the middle.
  • the flow of the fourth embodiment is substantially the same as that of the first embodiment.
  • the step 400 of the first embodiment is replaced by the step 401 and the step 402 of the fourth embodiment.
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playing position is recorded as A[now]
  • step 401 and step 402 are specifically:
  • Step 401 If the user operation is a fast rewind operation, the sampling point A[temp2] is located to a position corresponding to the sampling point between the sampling point A[0] and the sampling point A[now].
  • Step 402 Determine an operation performed by the user again. If the user performs the fast rewind operation again, relocate the sampling point A[temp2] to the sampling point between the sampling point A[0] and the current sampling point A[temp2]. Position, if the user performs the fast forward operation again, the sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the current sampling point A[temp2] and the sampling point A[i].
  • A[temp2] represents a sampling point of the intermediate position between the starting position A[0] and the current playing position A[now]. Assuming that the first user is backing up, the sampling point A[temp2] is positioned to the position corresponding to the sampling point between the sampling point A[0] and the sampling point A[now], and the second step is to continue the user's operation. Then, the sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the sampling point A[0] and the current sampling point A[temp2]. If the second step of the user's operation is fast forward, the sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the current sampling point A[temp2] and the sampling point A[i].
  • the process steps of the fifth embodiment are substantially the same as those of the first embodiment. The difference is that before the step 100 of the first embodiment, the method further includes:
  • Step 10 Set a cancel button in advance to cancel the current round of positioning.
  • retaining an operation is an operation in which the user cancels the round binary search.
  • the user is using the above method to fast forward and rewind.
  • the original intention is to retreat, that is, to locate a position between A[0] and A[now], but suddenly change the mind to locate A.
  • a certain position between [now] and A[N] you only need to press the strategy to cancel the current binary search to start a new round of binary search process. According to the above steps, it can quickly and accurately locate the user's ideal moving position.
  • the device may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gates An array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable gates
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory comprising instructions executable by a processor of the apparatus to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • the present disclosure also provides a functional block diagram of a preferred embodiment of a control system for fast forward and rewind of a player. As shown in FIG. 5, the system includes:
  • the pre-acquisition and storage module 01 is configured to acquire and store the currently played audio and video file data in advance; as described in the foregoing method embodiment.
  • the determining module 02 is configured to acquire the current playing position of the audio and video file playing in real time during the playing of the audio and video file; and obtain and judge the operation of the user, and determine whether the user operation is a fast forward operation or a fast reverse operation; As described in the examples.
  • the first positioning module 03 is configured to: if it is determined that the operation of the user is a fast forward operation, The placement position is positioned to an intermediate position between the current playback position and the end position of the audio and video file playback; as described in the above method embodiment.
  • the second positioning module 04 is configured to: if it is determined that the operation of the user is a fast rewind operation, locate the play position to an intermediate position between the initial position of the audio and video file playback and the current play position; as described in the foregoing method embodiment.
  • the pre-acquisition and storage module 01 specifically includes:
  • the pre-acquisition unit 011 is configured to pre-acquire the duration of playing the audio and video file, and divide it into N pieces according to the playing duration in units of seconds; as described in the above method embodiment.
  • the storage unit 012 is configured to respectively sample N time segments to generate a sampling time point, and generate N sampling time points, and arrange N sampling time points into a progress bar array in a play order, where N is a natural number; As stated in the example.
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the end position of the audio and video file is corresponding.
  • the sampling point is recorded as A[i]
  • the sampling point corresponding to the current playing position is recorded as A[now]
  • the first positioning module 03 specifically includes:
  • the first detecting and positioning unit 031 is configured to position the sampling point A[temp1] to the sampling point between the sampling point A[now] and the sampling point A[i] if the user operates as a fast forward operation. Position; specifically as described in the method embodiments above.
  • the second detecting and positioning unit 032 is configured to determine an operation performed again by the user. If the user performs the fast forward operation again, the sampling point A[temp1] is repositioned to the middle of the sampling point A[temp1] and the sampling point A[i]. The position corresponding to the sampling point; if the user performs the fast rewind operation again, the sampling point A[temp1] is repositioned to the position corresponding to the sampling point between the sampling point A[0] and the sampling point A[temp1]; As described in the method embodiments above.
  • the progress bar array is recorded as A[N]
  • the sampling point corresponding to the start position of the audio and video file is recorded as A[0]
  • the sampling point corresponding to the end position of the audio and video file is recorded as A[i]
  • the sampling point corresponding to the current playback position is recorded as A[now]
  • the second positioning module 04 specifically includes:
  • the third detecting and positioning unit 041 is configured to position the sampling point A[temp2] to the sampling point between the sampling point A[0] and the sampling point A[now] if the user operates as a fast rewinding operation. Position; specifically as described in the method embodiments above.
  • the fourth detecting and locating unit 042 is configured to determine the operation performed by the user again. If the user performs the fast rewinding operation again, the sampling point A[temp2] is relocated to the sampling point A[0] and the current sampling point A[temp2]. If the user performs the fast forward operation again, the sampling point A[temp2] is repositioned to the position corresponding to the sampling point between the current sampling point A[temp2] and the sampling point A[i]. Specifically as described in the above method examples.
  • system further includes:
  • the module is preset, and a cancel button is preset to cancel the positioning of the current wheel; as described in the above method embodiment.
  • the present disclosure also provides a non-transitory computer readable storage medium storing computer executable instructions arranged to perform the method of any of the above embodiments.
  • the present disclosure also provides a hardware structure diagram of an electronic device.
  • the electronic device can perform the corresponding method steps as the player provided in the above embodiment.
  • the electronic device includes:
  • At least one processor 90 which is exemplified by a processor 90 in FIG. 9; a display 91; and a memory 92, which may further include a communication interface 93 and a bus 94.
  • the processor 90, the display screen 91, the memory 92, and the communication interface 93 can complete communication with each other through the bus 94.
  • the display screen 91 is set to display a preset user guidance interface in the initial setting mode.
  • Communication interface 93 can transmit information.
  • Processor 90 can invoke logic instructions in memory 82 to perform the methods in the above-described embodiments.
  • logic instructions in the memory 92 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium. Quality.
  • the memory 92 is a computer readable storage medium, and can be configured to store a software program, a computer executable program, a program instruction or a module corresponding to the method in the embodiment of the present disclosure.
  • the processor 90 executes the functional applications and data processing by executing software programs, instructions or modules stored in the memory 92, i.e., implements the methods of the above-described embodiments.
  • the memory 92 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal device, and the like. Further, the memory 92 may include a high speed random access memory, and may also include a nonvolatile memory.
  • All or part of the steps of the above embodiments may be completed by hardware, or may be executed by a program to execute related hardware.
  • the program may be stored in a computer readable storage medium, and the storage medium may be a non-transitory storage medium, including a USB flash drive.
  • the present disclosure provides a method and system for controlling a fast forward and rewind of a player.
  • the method includes: acquiring and storing the currently played audio and video file data in advance; and acquiring audio and video in real time during the audio and video file playing process. If the current playback position of the file is played, the operation of the user is obtained and determined; if it is determined that the operation of the user is a fast forward operation, the playback position is positioned to an intermediate position between the current playback position and the end position of the audio and video file playback; If the user's operation is a fast rewind operation, the playback position is positioned to the middle of the initial position of the audio and video file playback and the current playback position.
  • the present disclosure uses the binary search method to quickly locate the user's fast forward or rewind position, and the speed is fast and the search is accurate, which brings convenience for the user to play audio and video files.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Television Signal Processing For Recording (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

La présente invention concerne un procédé et un système de commande d'avance rapide/retour d'un lecteur. Le procédé consiste : à acquérir et à stocker, à l'avance, des données d'un fichier audio/vidéo en cours de lecture ; pendant la lecture du fichier audio/vidéo, à acquérir, en temps réel, la position de lecture actuelle du fichier audio/vidéo, et à acquérir et à déterminer une opération d'un utilisateur ; s'il est déterminé que l'opération de l'utilisateur est une opération d'avance rapide, à positionner la position de lecture à une position intermédiaire entre la position de lecture actuelle et la position de lecture finale du fichier audio/vidéo ; et s'il est déterminé que l'opération de l'utilisateur est une opération de retour, à positionner la position de lecture à une position intermédiaire entre la position de lecture de départ du fichier audio/vidéo et la position de lecture actuelle.
PCT/CN2017/086120 2016-05-31 2017-05-26 Procédé et système de commande d'avance rapide/retour d'un lecteur WO2017206810A1 (fr)

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CN105979378B (zh) * 2016-05-31 2019-08-06 深圳创维数字技术有限公司 一种播放器快进快退的控制方法及系统
CN106409315B (zh) * 2016-10-27 2018-07-20 腾讯科技（深圳）有限公司 一种多媒体快进快退播放的控制方法及装置
CN107608651A (zh) * 2017-07-19 2018-01-19 肇庆市广应科通用航空研究院 播放器快进快退控制方法、系统、存储介质及智能终端
CN108347625B (zh) * 2018-03-09 2020-10-13 北京数码视讯软件技术发展有限公司 一种ts流媒体定位的方法和装置

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