WO2018133309A1 - Procédé et dispositif d'enregistrement vidéo - Google Patents

Procédé et dispositif d'enregistrement vidéo Download PDF

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Publication number
WO2018133309A1
WO2018133309A1 PCT/CN2017/088218 CN2017088218W WO2018133309A1 WO 2018133309 A1 WO2018133309 A1 WO 2018133309A1 CN 2017088218 W CN2017088218 W CN 2017088218W WO 2018133309 A1 WO2018133309 A1 WO 2018133309A1
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WO
WIPO (PCT)
Prior art keywords
video
control signal
information
recording
audio information
Prior art date
Application number
PCT/CN2017/088218
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English (en)
Chinese (zh)
Inventor
钮晨霄
Original Assignee
中兴通讯股份有限公司
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Publication date
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Publication of WO2018133309A1 publication Critical patent/WO2018133309A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording

Definitions

  • Embodiments of the present invention relate to the field of communications, and in particular, to a video recording method and apparatus.
  • the related art mobile electronic devices such as mobile phones, tablet computers, digital cameras, and the like all have shooting functions, and some of the shooting devices have functions such as slow motion shooting and time delay photography in addition to ordinary recording functions.
  • the above-mentioned shooting methods are relatively single when used, and cannot be switched to another mode, or other methods.
  • Embodiments of the present invention provide a video recording method and apparatus to at least solve the technical problem of more complicated operations when shooting high-level video in the related art.
  • a video recording method including: acquiring multimedia information generated by a terminal or preset; converting the multimedia information into a control signal in a video recording process according to a preset rule; The control signal records the video.
  • control signal is used to control at least one of the following parameters: an imaging frame rate and an imaging focal length.
  • the multimedia information includes one of the following: audio information, scene information.
  • acquiring the multimedia information generated by the terminal or preset includes at least one of the following: Receiving audio information collected by the microphone of the terminal; collecting audio information output by the audio player of the terminal in real time; parsing the pre-stored video to obtain scene information described by the pre-stored video; and parsing the image captured by the camera of the terminal to obtain corresponding information Scene information; parsing the preset mode to obtain scene information represented by the preset mode.
  • the method further includes: separately storing the scene picture recorded by the camera and the scene sound collected by the microphone; and resting the scene sound to an audio corresponding to a default frame rate. Data, synthesizing the scene picture and the audio data to generate video data.
  • converting the multimedia information into a control signal in a video recording process according to a preset rule comprises: converting the audio information into a digital rhythm signal; The signal is converted to the control signal.
  • recording a video according to the control signal includes: when recording a video, controlling a focal length of the video according to a control signal corresponding to an amplitude of the audio information, and according to The control signal corresponding to the rhythm of the audio information controls the frame rate of the video.
  • a video recording apparatus includes: an obtaining module configured to acquire multimedia information generated by a terminal or preset; and a conversion module configured to convert the multimedia information according to a preset rule A control signal during recording of the video; a recording module configured to record a video according to the control signal.
  • control signal is used to control at least one of the following parameters: an imaging frame rate and an imaging focal length.
  • the acquiring module includes at least one of: a receiving unit configured to receive audio information collected by a microphone of the terminal; and an acquiring unit configured to collect audio information output by the audio player of the terminal in real time; a parsing unit configured to pre-store the video to obtain the scene information described by the pre-stored video; the second parsing unit is configured to parse the preset mode to obtain the scene information represented by the preset mode; and the third parsing unit is configured to parse the The picture captured by the camera of the terminal is obtained with the corresponding scene information.
  • the converting module includes: a first converting unit configured to convert the audio information into a digital rhythm signal; and a second converting unit configured to set the digital rhythm The signal is converted to the control signal.
  • the recording module includes: a recording unit configured to control a focal length of the video according to a control signal corresponding to an amplitude of the audio information when recording a video, and according to The control signal corresponding to the rhythm of the audio information controls the frame rate of the video.
  • a storage medium is also provided.
  • the storage medium is arranged to store program code for performing the following steps:
  • the multimedia information generated by the terminal or preset is acquired; the multimedia information is converted into a control signal in a video recording process according to a preset rule; and the video is recorded according to the control signal. Since the multimedia information is continuously controlled during the recording process of the video, thereby realizing a function that requires manual operation, the technical problem of more complicated operations when shooting high-level video in the related art can be solved, and the playability of the camera is improved.
  • FIG. 1 is a block diagram showing the hardware structure of a mobile terminal of a video recording method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a video recording method according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing the structure of a video recording apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing the structure of a system according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a control manner according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of video output synthesis according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a system interaction method according to an embodiment of the present invention.
  • FIG. 1 is a hardware structural block diagram of a mobile terminal of a video recording method according to an embodiment of the present invention.
  • the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
  • the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.
  • the memory 104 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the video recording method in the embodiment of the present invention, and the processor 102 executes various programs by running software programs and modules stored in the memory 104. Functional application and data processing, that is, the above method is implemented.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Above network Examples of networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is for receiving or transmitting data via a network.
  • the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • FIG. 2 is a flowchart of a video recording method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 Acquire multimedia information generated by the terminal or preset.
  • Step S204 Convert the multimedia information into a control signal in the video recording process according to a preset rule
  • Step S206 recording a video according to the control signal.
  • the execution body of the foregoing steps may be a mobile phone, a tablet, a GoPro, a video recorder, etc., but is not limited thereto.
  • control signal is used to control at least one of the following parameters: camera frame rate, camera focus, resolution, focus, and other recording parameters that the camera can call.
  • the multimedia information includes one of the following: audio information, scene information, and instruction information.
  • Obtaining multimedia information generated by the terminal or preset includes at least one of the following methods:
  • the steps in this embodiment further include:
  • converting the multimedia information into the control signal in the video recording process according to the preset rule includes:
  • recording the video according to the control signal includes: when recording the video, controlling a focal length of the video according to a control signal corresponding to an amplitude of the audio information, and according to A control signal corresponding to the tempo of the audio information controls the frame rate of the video.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a video recording device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 3 is a structural block diagram of a video recording apparatus according to an embodiment of the present invention. As shown in FIG. 3, the apparatus includes:
  • the obtaining module 30 is configured to acquire multimedia information generated by the terminal or preset;
  • the conversion module 32 is configured to convert the multimedia information into a control signal in a video recording process according to a preset rule
  • the recording module 34 is arranged to record a video according to the control signal.
  • control signal is used to control at least one of the following parameters: a camera frame rate and a camera focus.
  • the obtaining module includes at least one of the following units: a receiving unit configured to receive audio information collected by a microphone of the terminal; and an acquiring unit configured to collect audio information output by the audio player of the terminal in real time; the first analyzing unit, setting The scene information described in the pre-stored video is obtained for the pre-stored video; the second parsing unit is configured to parse the preset mode to obtain the scene information represented by the preset mode; and the third parsing unit is configured to parse the image captured by the camera of the terminal to obtain Corresponding scene information.
  • the converting module includes: a first converting unit configured to convert the audio information into a digital rhythm signal; and a second converting unit configured to convert the digital rhythm signal into a control signal.
  • the recording module includes: setting, when recording the video, controlling a focal length of the video according to a control signal corresponding to an amplitude of the audio information, and controlling according to a control signal corresponding to a tempo of the audio information The frame rate of the video.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • the device applied in this embodiment may be any portable terminal device such as a mobile phone.
  • the video recording system includes a main control system module (corresponding to the video recording device in the above embodiment), a microphone module, a camera module, a music playing module, and a touch screen. Button user interaction module five parts.
  • the main control system module can read the audio information of the microphone module and the music playing module, and read the preset recording parameter template of the device; the microphone module is used to receive the external environment sound effect of the mobile phone and transmit it to the main control system to realize the external The input of the signal; the main function of the music playing module is to transmit the audio information to the main control system when playing the music to realize the identification of the internal signal; the main function of the touch screen button user interaction module is to provide the user with a customized mode.
  • the camera module receives the input signal of the main control system, and realizes the multi-variable and multi-variable video recording described by the device by controlling the real-time change of the camera frame rate and the focal length.
  • the recording mode of this embodiment can implement rich and varied video recording through various ways including but not limited to preset templates, custom parameters, external audio information, internal audio information, and the like.
  • the frame rate and the near-field change of the video recording are controlled by the varying signals in various ways. Due to the real-time change of the frame rate, it will realize the fast and slow change effect with rhythm change when it is played. It has high playability, entertainment and wide applicability, and provides a new automatic recording mode.
  • variable recording mode can be implemented in multiple manners.
  • the control system invokes the electrical signal to control the frame rate and focus variation of the video capture.
  • the terminal device microphone collects audio information such as external music, and converts the audio information into an electric control signal in real time, thereby realizing changing video recording.
  • the device manufacturer or the terminal software provider sets some fixed-change frame rate templates in advance, and the user realizes video recording by calling various built-in various scene recording templates. system. Or directly call the preset template by playing the recognized music.
  • the user can set the shooting change frequency on the basis of the preset template, and can also customize the template through the operation panel.
  • the system implements complex change shooting by calling these custom template data that was previously set.
  • FIG. 4 is a block diagram of a system structure according to an embodiment of the present invention. As shown in FIG. 4, a general framework of the entire system structure is shown.
  • the music module or the microphone module can directly convert the audio information into a digital rhythm signal and convert it into a control coding parameter by transmitting the audio information to the signal processing part of the main control system, and output it to the camera module to realize effective real-time. Control; also can recognize the music represented by the audio information, call the template parameters pre-made in the system to achieve recording control; or the main control system can call the custom video recording change rhythm parameter obtained based on the screen interactive interface, thereby achieving recording control.
  • this embodiment describes the specific implementation in two cases as an example.
  • FIG. 5 is a schematic diagram of a control mode according to an embodiment of the present invention. As shown in FIG. 5, by receiving and analyzing the melody rhythm feature and the intensity amplitude feature of the music, the control signal is obtained, and the recorded focal length change is controlled by the change of the music intensity. The speed of the melody rhythm changes to control the frame rate change during image recording.
  • the signal recognition method of melody speed and music amplitude the music amplitude is obtained by recognizing the maximum loudness of the audio information.
  • the melody length of the music is obtained by timing the intervals of the two maximum amplitudes.
  • Custom or preset templates can control recording by controlling data on the timeline. For example, it is stipulated on the time axis that shooting is performed at a low frame rate for certain periods of time and at a high frame rate for certain periods of time.
  • the terminal device plays the recorded video at a fixed frame rate, which will show a recording effect with real-time changes.
  • the audio information is separated, and the played music data is synthesized with the video data played at the normal frame rate, and finally the video data is derived.
  • FIG. 6 is a schematic diagram of video output synthesis according to an embodiment of the present invention. As shown in FIG. 6, a method for implementing post-video synthesis is described.
  • the following is a specific example to illustrate how the user can use the invention of the system to realize multi-variable video recording in a general scenario, and the terminal uses a mobile phone as an example.
  • a mobile phone is required to enter a shooting software, and a sliding change is selected to enter a multi-variable video recording.
  • the processing control system of the mobile phone has activated the camera and waits for the shooting control signal input;
  • the simple change template is used for shooting; when the user selects the custom option, the user will be allowed to adjust the default parameters to achieve the desired effect parameters and then shoot.
  • the user enters the change camera mode in the photo app.
  • the main interface prompts the user to use that mode.
  • the audio mode can be selected to use the software in the terminal, or the outdoor scene sound can be used for control. At that time, the user can receive the room. The sound played inside is recorded.
  • the system automatically recognizes the music and finds the matching preset template; or simply uses the fixed template to shoot, afterwards, the user can add his favorite music.
  • the time interval is measured in units of 2 seconds, 20 frames and 45 frames, and the final video is played at a speed of 30 frames.
  • the embodiment may further include the following solution:
  • Option 1 Recording a video and then post-processing the video recording mode.
  • This alternative solution enables recording of high frame rate video and post-processing of the video to achieve a converted recording effect.
  • the use of high frame rate is that if the normal frame rate is stretched, the effect of the video will be affected, so the full video uses a high frame rate, which can provide more post-processing space.
  • Option 2 A recording mode that can be implemented for manual fast zoom and variable frame control. Through the interactive interface of the terminal such as a mobile phone, real-time control of relevant shooting data in the case of recording enables multi-variation video recording.
  • This embodiment provides a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs to acquire multimedia information generated by the terminal or preset according to the stored program code in the storage medium
  • the processor performs, according to the stored program code in the storage medium, converting the multimedia information into a control signal in a video recording process according to a preset rule;
  • the processor performs recording of the video according to the control signal according to the stored program code in the storage medium.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the video recording method and apparatus provided in this embodiment have the following beneficial effects: since the multimedia information is continuously controlled during the recording process of the video, thereby realizing functions that require manual operation, the related technology can be solved.
  • the operation of the high-level video is more complicated than the complicated technical problem, which improves the playability of the camera.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Studio Devices (AREA)

Abstract

La présente invention concerne un procédé et un dispositif d'enregistrement vidéo. Le procédé consiste : à acquérir des informations multimédias générées par un terminal ou réglées à l'avance; à convertir, selon une règle prédéfinie, les informations multimédias en un signal de commande pour un processus d'enregistrement vidéo; et à enregistrer une vidéo selon le signal de commande. La présente invention résout un problème technique dans l'état de la technique dans lequel la photographie d'une vidéo de haut niveau nécessite de nombreuses opérations complexes, ce qui permet d'augmenter le plaisir d'utilisation d'une caméra.
PCT/CN2017/088218 2017-01-17 2017-06-14 Procédé et dispositif d'enregistrement vidéo WO2018133309A1 (fr)

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CN201710036328.2A CN108322638A (zh) 2017-01-17 2017-01-17 视频录制方法及装置

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