WO2016155228A1 - 播放控制方法及装置、电子设备 - Google Patents
播放控制方法及装置、电子设备 Download PDFInfo
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- WO2016155228A1 WO2016155228A1 PCT/CN2015/088687 CN2015088687W WO2016155228A1 WO 2016155228 A1 WO2016155228 A1 WO 2016155228A1 CN 2015088687 W CN2015088687 W CN 2015088687W WO 2016155228 A1 WO2016155228 A1 WO 2016155228A1
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- video file
- playback
- motion
- speed playback
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
- G06V20/46—Extracting features or characteristics from the video content, e.g. video fingerprints, representative shots or key frames
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
Definitions
- the present disclosure relates to the field of wearable technologies, and in particular, to a playback control method and apparatus, and an electronic device.
- the present disclosure provides a playback control method and apparatus, and an electronic device to solve the deficiencies in the related art.
- a playback control method including:
- the video file is subjected to variable speed playback.
- the acquiring the video file includes:
- a video file that is captured by the camera of another device and obtained by the camera is received.
- the determining whether the subject in the video file meets a predefined variable-speed playback condition includes:
- the motion feature parameter includes at least one of the following: a motion speed, a motion frequency;
- the motion feature parameter when the motion feature parameter includes a motion speed, if the motion speed belongs to a preset speed range, the motion severity of the subject belongs to a preset degree range; when the motion feature parameter includes a motion frequency If the motion frequency belongs to a preset frequency range, the motion intensity of the subject belongs to a preset The extent of the degree.
- the boundary value of the preset speed range is positively correlated with the shooting distance of the subject.
- the performing variable-speed playback of the video file includes:
- the video file is played slowly.
- the determining whether the subject in the video file meets a predefined variable-speed playback condition includes:
- the determining whether the subject in the video file meets a predefined variable-speed playback condition includes:
- the performing variable-speed playback of the video file includes:
- the overall variable speed playback is performed on the video capture screen including the subject.
- the performing variable-speed playback of the video file includes:
- the extracted play data is played in an overlapping manner.
- the performing variable-speed playback of the video file includes:
- the extracted play data is overlapped and played in the playback area of the preset position.
- the performing variable-speed playback of the video file includes:
- a playback control apparatus including:
- a determining unit determining whether the subject in the video file satisfies a predefined variable speed playback condition
- the playback unit performs variable-speed playback of the video file if the determination result is satisfied.
- the obtaining unit includes: a calling subunit or a receiving subunit;
- the calling subunit is used to call a camera of the device, and the subject is photographed;
- the receiving subunit is configured to receive a video file that is captured by the camera of another device and obtained by the camera.
- the determining unit includes:
- a parameter determining subunit determining, according to the value of the motion feature parameter, whether the motion severity of the subject belongs to a preset degree range; wherein, if it belongs, determining that the subject satisfies a predefined variable speed playback condition .
- the motion feature parameter includes at least one of the following: a motion speed, a motion frequency;
- the motion feature parameter when the motion feature parameter includes a motion speed, if the motion speed belongs to a preset speed range, the motion severity of the subject belongs to a preset degree range; when the motion feature parameter includes a motion frequency If the motion frequency belongs to a preset frequency range, the motion severity of the subject belongs to a preset degree range.
- the boundary value of the preset speed range is positively correlated with the shooting distance of the subject.
- the playback unit includes:
- the determining unit includes:
- the local judgment subunit determines whether each component of the subject satisfies a predefined variable speed playback condition.
- the determining unit includes:
- a scene recognition subunit identifying a shooting scene of the video file according to a type of the subject or a type of an execution action of the subject;
- a scene determination subunit determining the video according to whether the shooting scene belongs to a preset variable speed playback scene Whether the subject in the file satisfies a predefined variable-speed playback condition; wherein, if it belongs, it is determined to be satisfied.
- the playback unit includes:
- the overall playback sub-unit performs overall variable-speed playback of the video capture screen including the subject.
- the playback unit includes:
- a first data extracting subunit extracting, from the video capturing screen of the video file, playing data corresponding to a component of the subject or the subject that satisfies the variable speed playback condition
- the first overlapping playback sub-unit performs overlay playback on the extracted play data when the video file is normally played back.
- the playback unit includes:
- a second data extraction subunit that extracts, from the video capture screen of the video file, play data corresponding to a component that satisfies the variable speed playback condition of the subject or the subject;
- the second overlapping playback sub-unit performs overlay playback on the extracted play data in the playback area of the preset position when the video file is normally played back.
- the playback unit includes:
- a third data extraction subunit that extracts, from the video capture screen of the video file, play data corresponding to a component that satisfies the variable speed playback condition of the subject or the subject;
- An element erasing subunit from the video capturing picture of the video file, erasing the original picture element corresponding to the extracted playing data in the video shooting picture, to obtain a processed video file;
- the third overlapping playback sub-unit performs overlay playback on the extracted play data when the processed video file is normally played back.
- an electronic device including:
- a memory for storing processor executable instructions
- processor is configured to:
- the video file is subjected to variable speed playback.
- the present disclosure can automatically perform variable-speed playback of a video file by analyzing the satisfaction of the subject to the variable-speed playback condition during shooting, so that when the subject moves quickly, the user can clearly observe through automatic slow playback.
- the subject and, when the subject is moving slowly, the user can quickly browse the overall movement of the subject through automatic fast playback, which helps to enhance the user's viewing experience.
- FIG. 1 is a flowchart of a playback control method according to an exemplary embodiment.
- FIG. 2 is a schematic diagram of a scene for capturing a video, according to an exemplary embodiment.
- FIG. 3 is a schematic diagram of another scene of capturing a video according to an exemplary embodiment.
- FIG. 4 is a flowchart of another playback control method according to an exemplary embodiment.
- FIG. 5-8 are schematic diagrams of a video capture screen, according to an exemplary embodiment.
- 9-11 are schematic diagrams of a variable speed play, according to an exemplary embodiment.
- FIGS. 12-21 are block diagrams of a playback control apparatus, according to an exemplary embodiment.
- FIG. 22 is a schematic structural diagram of an apparatus for playing control according to an exemplary embodiment.
- FIG. 1 is a flowchart of a playback control method according to an exemplary embodiment. As shown in FIG. 1 , the method is applied to a wearable device, and may include the following steps.
- step 102 a video file is obtained.
- the wearable device may include smart glasses or the like, and by photographing and conditional judgment of the subject, it is possible to automatically guess whether or not the video file needs to be played at a variable speed, thereby optimizing the viewing process of the user.
- the subject can be directly photographed by the smart glasses.
- the smart glasses can be directly called by the smart glasses.
- the camera captures the subject and performs variable-speed playback on the display when the subject satisfies the preset variable-speed playback conditions.
- the smart glasses may be photographed in cooperation with other devices.
- the camera may not be configured on the smart glasses, and only the display screen is configured.
- Smart glasses After the subject can be photographed by a camera of another device (such as a smartphone) and a video file is obtained, Smart glasses only need to receive the video file; or, even if the camera is equipped with a smart phone, if the other device such as a smart phone is equipped with a better camera, the video file can be transmitted after the video is captured by the smart phone.
- the camera such as a smartphone
- the transmission of the video file can be implemented by using a wireless method such as Bluetooth between the smart glasses and the smart phone; of course, any wireless or wired data transmission mode can be applied to the technical solution of the present disclosure, and the disclosure does not limit.
- step 104 it is determined whether the subject in the video file satisfies a predefined variable speed playback condition.
- variable-speed playback condition such as the intensity of the exercise, the shooting scene, etc.
- step 106 if satisfied, the video file is subjected to variable speed playback.
- the present disclosure can automatically perform variable-speed playback of a video file by analyzing the satisfaction of the subject to the variable-speed playback condition during shooting, so that when the subject moves quickly, the automatic slow playback can be performed.
- the user can quickly browse the overall movement of the subject through automatic fast playback, which helps to enhance the user's viewing experience.
- FIG. 4 is a flowchart of a playback control method according to an exemplary embodiment. As shown in FIG. 4, the method may include the following steps.
- step 402 the video capture function of the smart glasses is activated, and a photographing operation on the subject is performed.
- step 404 a motion feature parameter of the subject is acquired.
- step 406 according to the value of the motion feature parameter, it is determined whether the motion severity of the subject belongs to the preset degree range (ie, "is normal"), if yes, then proceeds to step 408, otherwise proceeds to step 410.
- the user when the subject's exercise is too high, the user may not be able to see the shot.
- the motion of the object when the subject's motion is too low, it may cause the user to pay attention to the motion of the subject for a long time. It can be seen that when the intensity of exercise is too high or too low, the user cannot get a good viewing experience.
- the process is different based on the type of the motion feature parameter.
- the speed of movement is too fast or too slow.
- FIG. 5 shows the user's field of view when the user watches the racing game, wherein the actual speed of the car is v, and based on the current shooting distance of the car (distance between the camera and the car), the trajectory of the car is in the user's field of view.
- the upper boundary value of the "preset degree range” (this is equivalent to the “preset speed range”) is L/t, that is, as long as the racing car is secured
- the actual motion speed v is less than L/t, which ensures that the motion state of the car can be clearly observed by the user, otherwise the video file should be played back slowly.
- the motion frequency is also too fast or too slow.
- Figure 7 shows the user's field of view when the hummingbird is flying.
- the hummingbird may have been watching during the viewing process. It is within the user's field of view, but the frequency of flapping the wings is usually greater than 50 times / sec, and the maximum may even reach hundreds of times / sec, resulting in the user can not directly observe the flight process of the hummingbird.
- the description is taken as an example of “too fast”; similarly, the lower boundary value of the “predetermined extent range” may also be set, thereby Or when the motion frequency is lower than the lower boundary value, it is determined that the exercise intensity is too low, and the user's viewing experience needs to be optimized by fast playback of the video file. Wherein, when the corresponding lower boundary value is set for the motion speed, the lower boundary value is also positively correlated with the shooting distance.
- FIG. 8 shows the user's field of view when the snail crawls.
- the snail may take tens of minutes to pass the current user's field of view, which is not conducive to the user's overall viewing and evaluation of the entire exercise process. Therefore, through the rapid playback of the snail crawling process, the user can completely observe the entire crawling process in a short time, and better observe the snail's motion trajectory and motion state.
- step 408 no playback or normal playback of the video file is performed.
- step 410 the video file is subjected to variable speed playback.
- the above describes an embodiment based on the comparison of the motion feature parameters, determining the intensity of the motion of the subject, and finally determining whether or not the video file needs to be played at a variable speed.
- the video file is quickly played; when the value of the motion feature parameter is greater than the upper boundary value of the preset range, the video file is played slowly.
- the smart glasses can identify the shooting scene of the video file according to the type of the subject or the type of the action performed by the subject; and then, according to whether the shooting scene belongs to the preset variable-speed playback scene, determine whether the subject in the video file satisfies the pre-preview Defined variable speed playback conditions.
- variable-speed playback scene by defining a scene that requires variable-speed playback, that is, "preset variable-speed playback scene", and setting identification features of each preset variable-speed playback scene, such as the type of the subject, the execution of the subject.
- the type of action, etc. can be used to determine the shooting scene of the video file.
- the smart glasses For the shooting scene of the racing game shown in FIG. 5, it can be determined in advance as a shooting scene that requires slow playback, and the "racing" feature and the “driving" motion of the racing car are used as the recognition features of the current shooting scene, then the smart glasses only need It is recognized that the current subject is a racing car, and the racing car is in a running state, and it can be determined that the current shooting scene needs to be subjected to the variable speed playback processing, and is actually a slow playback processing.
- the smart glasses can determine that the current shooting scene needs to be subjected to the variable speed playback processing, and is actually fast as long as the current shooting object is identified as a snail. Playback processing.
- variable speed playback of video files there may be many forms, which are exemplified below in several possible forms, but the disclosure does not limit this.
- the play data corresponding to the components satisfying the variable speed playback condition of the subject or the subject is extracted; then, when the video file is normally played back, the extracted play data is overlapped and played.
- the object is a vehicle
- the dotted line vehicle on the left side in FIG. 9 is a picture element extracted in the video shooting picture, and the picture elements extracted in all the video shooting pictures constitute the extracted playing data
- the solid line vehicle on the right side of Figure 9 is the original picture element in the video file. Therefore, in the variable speed playback process, in the video capture screen of the solid line vehicle including the right side, the dotted line vehicle on the left side, that is, the extracted picture element is superimposed and displayed, thereby obtaining the display screen finally shown in FIG. It can be played through the display screen of the smart glasses shown in Figure 2 or Figure 3.
- the preset position may be the lower right corner of the user's field of view, or any other position, and It should also be ensured that the preset position does not obscure the original picture elements. Therefore, the user can simultaneously watch the normally played video file, and can view the playback data of the slow playback from the preset position, thereby achieving contrast viewing between the two.
- the original picture elements in the video file may be directly erased; since the user wishes to view the picture elements of the variable speed playback, it does not affect User's viewing experience.
- overall variable speed playback may be performed on a video capture screen containing a subject.
- the video file corresponding to the snail crawling process can be directly played back as a whole, so that the video playback screen of the video file does not need to be complicatedly processed.
- the present disclosure also provides an embodiment of the playback control apparatus.
- FIG. 12 is a block diagram of a playback control apparatus according to an exemplary embodiment.
- the apparatus includes an acquisition unit 1201, a determination unit 1202, and a playback unit 1203.
- the obtaining unit 1201 is configured to capture a subject and generate a corresponding video file.
- the determining unit 1202 is configured to determine whether the subject satisfies a predefined variable speed playback condition
- the playback unit 1203 is configured to perform variable-speed playback of the video file if the determination result is satisfied.
- FIG. 13 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the implementation unit 1201 may include: calling a subunit on the basis of the foregoing embodiment shown in FIG. 1201A or receiving subunit 1201B.
- the calling subunit 1201A is configured to invoke a camera of the device to capture the subject;
- the receiving subunit 1201B is configured to receive a video file obtained by capturing a photo of the subject by a camera of another device.
- FIG. 14 is a block diagram of another playback control apparatus according to an exemplary embodiment, which is based on the foregoing embodiment shown in FIG. 12, and the determining unit 1202 may include: a parameter acquisition sub- Unit 1202A and parameter determination sub-unit 1202B.
- the parameter acquisition sub-unit 1202A is configured to acquire a motion feature parameter of the subject
- the parameter determining sub-unit 1202B is configured to determine, according to the value of the motion feature parameter, whether the motion severity of the subject belongs to a preset degree range; wherein, if it belongs, it is determined that the subject satisfies a predefined Variable speed playback conditions.
- the motion feature parameter includes at least one of the following: a motion speed, a motion frequency;
- the motion feature parameter when the motion feature parameter includes a motion speed, if the motion speed belongs to a preset speed range, the motion severity of the subject belongs to a preset degree range; when the motion feature parameter includes a motion frequency If the motion frequency belongs to a preset frequency range, the motion severity of the subject belongs to a preset degree range.
- the boundary value of the preset speed range is positively correlated with the shooting distance of the subject.
- the configurations of the parameter obtaining subunit 1202A and the parameter judging subunit 1202B in the device embodiment shown in FIG. 14 may also be included in the foregoing device embodiment of FIG. 13, and the disclosure is not limited thereto.
- FIG. 15 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the playback unit 1203 may include: a fast player. Unit 1203A and slow play subunit 1203B.
- the fast play sub-unit 1203A is configured to perform fast play on the video file when the value of the motion feature parameter is less than a lower boundary value of the preset degree range;
- the slow play subunit 1203B is configured to perform slow play on the video file when the value of the motion feature parameter is greater than an upper boundary value of the preset degree range.
- FIG. 16 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the embodiment may include: a local judgmentr based on the foregoing embodiment shown in FIG. Unit 1202C.
- the local judgment sub-unit 1202C is configured to determine whether each component of the subject satisfies a predefined variable-speed playback condition.
- the configuration of the local judging subunit 1202C in the apparatus embodiment shown in FIG. 16 may also be included in the foregoing apparatus embodiment of FIG. 13-15, and the disclosure is not limited thereto.
- FIG. 17 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the determining unit 1202 may include: a scene identifier. Unit 1202D and scene determination sub-unit 1202E.
- the scene recognition sub-unit 1202D is configured to identify a shooting scene of the video file according to the type of the subject or the type of the performed action of the subject;
- the scene determination sub-unit 1202E is configured to determine, according to whether the shooting scene belongs to a preset variable-speed playback scene, Determining whether the subject in the video file satisfies a predefined variable-speed playback condition; wherein, if it belongs, it is determined to be satisfied.
- FIG. 18 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the playback unit 1203 may include: an overall playback subtitle based on the foregoing embodiment shown in FIG. Unit 1203C.
- the overall playback sub-unit 1203C is configured to perform overall variable-speed playback on the video capture screen including the subject.
- FIG. 19 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the playback unit 1203 may include: first data.
- the sub-unit 1203D and the first overlap playback sub-unit 1203E are extracted.
- the first data extraction sub-unit 1203D is configured to extract, from the video capture screen of the video file, play data corresponding to a component of the subject or the subject that satisfies the variable-speed playback condition. ;
- the first overlap playback sub-unit 1203E is configured to perform overlap playback on the extracted play data when the video file is normally played back.
- first data extraction subunit 1203D and the first overlap playback subunit 1203E in the device embodiment shown in FIG. 19 above may also be included in the foregoing device embodiments of FIGS. 13-18.
- the disclosure is not limited.
- FIG. 20 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the playback unit 1203 may include: second data, based on the foregoing embodiment shown in FIG.
- the subunit 1203F and the second overlap playback subunit 1203G are extracted.
- the second data extraction sub-unit 1203F is configured to extract, from the video capture screen of the video file, play data corresponding to a component of the subject or the subject that satisfies the variable-speed playback condition. ;
- the second overlapping playback sub-unit 1203G is configured to perform overlapping playback of the extracted play data in a playback area of the preset position when the video file is normally played back.
- the second data extraction subunit 1203F and the first in the device embodiment shown in FIG. 20 above The structure of the two overlapping playback sub-units 1203G may also be included in the foregoing device embodiments of FIGS. 13-19, and the present disclosure is not limited thereto.
- FIG. 21 is a block diagram of another playback control apparatus according to an exemplary embodiment.
- the playback unit 1203 may include: third data, based on the foregoing embodiment shown in FIG.
- the third data extraction sub-unit 1203H is configured to extract, from the video capture screen of the video file, play data corresponding to a component of the subject or the subject that satisfies the variable-speed playback condition. ;
- the element erasure sub-unit 1203I is configured to erase the original picture element corresponding to the extracted play data in the video capture picture from the video capture picture of the video file, to obtain the processed video file;
- the third overlap playback sub-unit 1203J is configured to perform overlay playback on the extracted play data when the processed video file is normally played back.
- the structures of the third data extraction subunit 1203H, the element erasure subunit 1203I, and the third overlap playback subunit 1203J in the device embodiment shown in FIG. 21 above may also be included in the foregoing FIG. 13-20.
- the present disclosure is not limited thereto.
- the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
- the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the present disclosure. Those of ordinary skill in the art can understand and implement without any creative effort.
- the present disclosure further provides a playback control apparatus, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to: capture a subject, and generate a corresponding video file Determining whether the subject satisfies a predefined variable speed playback condition; if so, performing a variable speed playback of the video file.
- the present disclosure also provides a terminal, the terminal including a memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be executed by one or more processors
- the one or more programs include instructions for: capturing a subject and generating a corresponding video file; determining whether the subject satisfies a predefined variable speed playback condition; if satisfied, the video The file is played back in variable speed.
- FIG. 22 is a block diagram of an apparatus 2200 for playback control, according to an exemplary embodiment.
- the device 2200 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, a wearable device such as smart glasses, and the like.
- apparatus 2200 can include one or more of the following components: processing component 2202, memory 2204, power component 2206, multimedia component 2208, audio component 2210, input/output (I/O) interface 2212, sensor component 2214, And a communication component 2216.
- Processing component 2202 typically controls the overall operation of device 2200, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 2202 can include one or more processors 2220 to execute instructions to perform all or part of the steps of the above described methods.
- processing component 2202 can include one or more modules to facilitate interaction between component 2202 and other components.
- processing component 2202 can include a multimedia module to facilitate interaction between multimedia component 22022 and processing component 2202.
- Memory 2204 is configured to store various types of data to support operation at device 2200. Examples of such data include instructions for any application or method operating on device 2200, contact data, phone book data, messages, pictures, videos, and the like.
- the memory 2204 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 2206 provides power to various components of device 2200.
- Power component 2206 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 2200.
- the multimedia component 2208 includes a screen between the device 2200 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 2208 includes a front camera and/or a rear camera. When the device 2200 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 2210 is configured to output and/or input an audio signal.
- audio component 2210 includes a microphone (MIC) that is configured to receive an external audio signal when device 2200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 2204 or transmitted via communication component 2216.
- the audio component 2210 also includes a speakerphone For outputting audio signals.
- the I/O interface 2212 provides an interface between the processing component 2202 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 2214 includes one or more sensors for providing device 2200 with a status assessment of various aspects.
- sensor assembly 2214 can detect an open/closed state of device 2200, a relative positioning of components, such as the display and keypad of device 2200, and sensor component 2214 can also detect a change in position of a component of device 2200 or device 2200. The presence or absence of user contact with device 2200, device 2200 orientation or acceleration/deceleration and temperature change of device 2200.
- Sensor assembly 2214 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor assembly 2214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor assembly 2214 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 2216 is configured to facilitate wired or wireless communication between device 2200 and other devices.
- the device 2200 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- communication component 2216 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 2216 also includes a near field communication (NFC) module to facilitate short range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- device 2200 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 A gate 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 A gate array
- 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 2204 comprising instructions executable by processor 2220 of apparatus 2200 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.
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Abstract
Description
Claims (25)
- 一种播放控制方法,其特征在于,包括:获取视频文件;判断所述视频文件中的被摄对象是否满足预定义的变速回放条件;若满足,则对所述视频文件进行变速回放。
- 根据权利要求1所述的方法,其特征在于,所述获取视频文件,包括:调用本设备的摄像头,对所述被摄对象进行拍摄;或者,接收其他设备的摄像头对所述被摄对象进行拍摄并得到的视频文件。
- 根据权利要求1所述的方法,其特征在于,所述判断所述视频文件中的被摄对象是否满足预定义的变速回放条件,包括:获取所述被摄对象的运动特征参数;根据所述运动特征参数的数值,判断所述被摄对象的运动剧烈程度是否属于预设程度范围;其中,若属于,则判定所述被摄对象满足预定义的变速回放条件。
- 根据权利要求3所述的方法,其特征在于,所述运动特征参数包括以下至少之一:运动速度、运动频率;其中,当所述运动特征参数包括运动速度时,若所述运动速度属于预设速度范围,则所述被摄对象的运动剧烈程度属于预设程度范围;当所述运动特征参数包括运动频率时,若所述运动频率属于预设频率范围,则所述被摄对象的运动剧烈程度属于预设程度范围。
- 根据权利要求4所述的方法,其特征在于,所述预设速度范围的边界值与所述被摄对象的拍摄距离呈正相关。
- 根据权利要求3所述的方法,其特征在于,所述对所述视频文件进行变速回放,包括:当所述运动特征参数的数值小于所述预设程度范围的下边界值时,对所述视频文件进行快速播放;当所述运动特征参数的数值大于所述预设程度范围的上边界值时,对所述视频文件进行慢速播放。
- 根据权利要求1所述的方法,其特征在于,所述判断所述视频文件中的被摄对象是否满足预定义的变速回放条件,包括:判断所述被摄对象的每一组成部分是否满足预定义的变速回放条件。
- 根据权利要求1所述的方法,其特征在于,所述判断所述视频文件中的被摄对 象是否满足预定义的变速回放条件,包括:根据所述被摄对象的类型或所述被摄对象的执行动作的类型,识别所述视频文件的拍摄场景;根据所述拍摄场景是否属于预设变速回放场景,判断所述视频文件中的被摄对象是否满足预定义的变速回放条件;其中,若属于则判定为满足。
- 根据权利要求1所述的方法,其特征在于,所述对所述视频文件进行变速回放,包括:对包含所述被摄对象的视频拍摄画面进行整体变速回放。
- 根据权利要求1所述的方法,其特征在于,所述对所述视频文件进行变速回放,包括:从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;对所述视频文件进行正常回放时,对提取的播放数据进行重叠播放。
- 根据权利要求1所述的方法,其特征在于,所述对所述视频文件进行变速回放,包括:从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;对所述视频文件进行正常回放时,在预设位置的回放区域内,对提取的播放数据进行重叠播放。
- 根据权利要求1所述的方法,其特征在于,所述对所述视频文件进行变速回放,包括:从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;从所述视频文件的视频拍摄画面中,擦除提取的播放数据在所述视频拍摄画面中对应的原始画面元素,得到处理后的视频文件;对所述处理后的视频文件进行正常回放时,对提取的播放数据进行重叠播放。
- 一种播放控制装置,其特征在于,包括:获取单元,获取视频文件;判断单元,判断所述视频文件中的被摄对象是否满足预定义的变速回放条件;回放单元,在判断结果为满足的情况下,对所述视频文件进行变速回放。
- 根据权利要求13所述的装置,其特征在于,所述获取单元包括:调用子单元或接收子单元;其中,所述调用子单元用于调用本设备的摄像头,对所述被摄对象进行拍摄;所述接收子单元用于接收其他设备的摄像头对所述被摄对象进行拍摄并得到的视频文件。
- 根据权利要求13所述的装置,其特征在于,所述判断单元包括:参数获取子单元,获取所述被摄对象的运动特征参数;参数判断子单元,根据所述运动特征参数的数值,判断所述被摄对象的运动剧烈程度是否属于预设程度范围;其中,若属于,则判定所述被摄对象满足预定义的变速回放条件。
- 根据权利要求15所述的装置,其特征在于,所述运动特征参数包括以下至少之一:运动速度、运动频率;其中,当所述运动特征参数包括运动速度时,若所述运动速度属于预设速度范围,则所述被摄对象的运动剧烈程度属于预设程度范围;当所述运动特征参数包括运动频率时,若所述运动频率属于预设频率范围,则所述被摄对象的运动剧烈程度属于预设程度范围。
- 根据权利要求16所述的装置,其特征在于,所述预设速度范围的边界值与所述被摄对象的拍摄距离呈正相关。
- 根据权利要求15所述的方法,其特征在于,所述回放单元包括:快速播放子单元,当所述运动特征参数的数值小于所述预设程度范围的下边界值时,对所述视频文件进行快速播放;慢速播放子单元,当所述运动特征参数的数值大于所述预设程度范围的上边界值时,对所述视频文件进行慢速播放。
- 根据权利要求13所述的装置,其特征在于,所述判断单元包括:局部判断子单元,判断所述被摄对象的每一组成部分是否满足预定义的变速回放条件。
- 根据权利要求13所述的装置,其特征在于,所述判断单元包括:场景识别子单元,根据所述被摄对象的类型或所述被摄对象的执行动作的类型,识别所述视频文件的拍摄场景;场景判断子单元,根据所述拍摄场景是否属于预设变速回放场景,判断所述视频文件中的被摄对象是否满足预定义的变速回放条件;其中,若属于则判定为满足。
- 根据权利要求13所述的装置,其特征在于,所述回放单元包括:整体回放子单元,对包含所述被摄对象的视频拍摄画面进行整体变速回放。
- 根据权利要求13所述的装置,其特征在于,所述回放单元包括:第一数据提取子单元,从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;第一重叠回放子单元,对所述视频文件进行正常回放时,对提取的播放数据进行重叠播放。
- 根据权利要求13所述的装置,其特征在于,所述回放单元包括:第二数据提取子单元,从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;第二重叠回放子单元,对所述视频文件进行正常回放时,在预设位置的回放区域内,对提取的播放数据进行重叠播放。
- 根据权利要求13所述的装置,其特征在于,所述回放单元包括:第三数据提取子单元,从所述视频文件的视频拍摄画面中,提取所述被摄对象或所述被摄对象中满足所述变速回放条件的组成部分对应的播放数据;元素擦除子单元,从所述视频文件的视频拍摄画面中,擦除提取的播放数据在所述视频拍摄画面中对应的原始画面元素,得到处理后的视频文件;第三重叠回放子单元,对所述处理后的视频文件进行正常回放时,对提取的播放数据进行重叠播放。
- 一种电子设备,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:获取视频文件;判断所述视频文件中的被摄对象是否满足预定义的变速回放条件;若满足,则对所述视频文件进行变速回放。
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| CN104702919B (zh) | 2015-03-31 | 2019-08-06 | 小米科技有限责任公司 | 播放控制方法及装置、电子设备 |
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- 2015-10-30 US US14/927,590 patent/US10217487B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113411674A (zh) * | 2021-02-08 | 2021-09-17 | 腾讯科技(深圳)有限公司 | 视频的播放控制方法、装置、电子设备及存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2015015112A (es) | 2016-12-05 |
| KR101712306B1 (ko) | 2017-03-03 |
| EP3076664A1 (en) | 2016-10-05 |
| JP6374598B2 (ja) | 2018-08-15 |
| RU2015150036A (ru) | 2017-05-25 |
| JP2017514427A (ja) | 2017-06-01 |
| US20160293209A1 (en) | 2016-10-06 |
| US10217487B2 (en) | 2019-02-26 |
| MX355081B (es) | 2018-04-04 |
| KR20160127630A (ko) | 2016-11-04 |
| BR112015028827A2 (pt) | 2017-07-25 |
| CN104735385B (zh) | 2018-10-12 |
| CN104735385A (zh) | 2015-06-24 |
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