CN109600562A - Method and apparatus for recorded video - Google Patents

Method and apparatus for recorded video Download PDF

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Publication number
CN109600562A
CN109600562A CN201810865723.6A CN201810865723A CN109600562A CN 109600562 A CN109600562 A CN 109600562A CN 201810865723 A CN201810865723 A CN 201810865723A CN 109600562 A CN109600562 A CN 109600562A
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China
Prior art keywords
video
data
video encoder
video data
mentioned
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Granted
Application number
CN201810865723.6A
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Chinese (zh)
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CN109600562B (en
Inventor
周驿
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Beijing Microlive Vision Technology Co Ltd
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Beijing Microlive Vision Technology Co Ltd
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Priority to CN201810865723.6A priority Critical patent/CN109600562B/en
Publication of CN109600562A publication Critical patent/CN109600562A/en
Priority to JP2021504427A priority patent/JP7008870B2/en
Priority to BR112020024621-2A priority patent/BR112020024621A2/en
Priority to KR1020207035557A priority patent/KR102625410B1/en
Priority to EP19845332.6A priority patent/EP3833010A4/en
Priority to PCT/CN2019/098460 priority patent/WO2020024950A1/en
Application granted granted Critical
Publication of CN109600562B publication Critical patent/CN109600562B/en
Priority to US17/014,391 priority patent/US11114133B2/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334Recording operations

Abstract

The embodiment of the present application discloses the method and apparatus for recorded video.One specific embodiment of this method includes: starting video encoder;In response to detecting recovery record command, determine the duration for the video recorded, the duration is set by the playback progress of audio player, wherein the recovery record command, which is used to indicate, to be continued to acquire video data and continued to play target audio data using the audio player;Start the audio player;After the target audio data are played to the playback progress, in response to collecting video data, to the collected video data of video encoder transmission institute, so that the video encoder encodes the collected video data of institute.Improve the effect of the audio-visual synchronization in the recording process for video of dubbing in background music.

Description

Method and apparatus for recorded video
Technical field
The invention relates to field of computer technology, and in particular to the method and apparatus for recorded video.
Background technique
Recording dub in background music video when, usually using camera carry out video acquisition while carry out audio (dubbing in background music) play. For example, recording the performance movement of user's performance during playing certain song, the video recorded is using the song as background music.? In application with video record function, it is relatively conventional that the nonsynchronous situation of audio-video occurs in the video of dubbing in background music of recording.
When carrying out segmentation recording to video of dubbing in background music, relevant mode is usually after detecting recovery record command, together Shi Kaiqi video encoder and audio player are carried out the coding of video data using video encoder, utilize audio player Continue the broadcasting of audio data.
Summary of the invention
The embodiment of the present application proposes the method and apparatus for recorded video.
In a first aspect, the embodiment of the present application provides a kind of method for recorded video, this method comprises: starting video Encoder;In response to detecting recovery record command, the duration of the encoded video of video encoder is determined, by audio player Playback progress be set as above-mentioned duration, wherein restore record command and be used to indicate to continue to acquire video data and using audio Player continues to play target audio data;Start audio player;After target audio data are played to playback progress, ring Ying Yu collects video data, to the collected video data of video encoder transmission institute, so that video encoder is to being acquired To video data encoded.
In some embodiments, this method further include: in response to detecting recording stop instruction, stop to video encoder The collected video data of transmission institute, and control audio player and stop playing;It controls video encoder and stops coding.
In some embodiments, after control video encoder stops coding, this method further include: determine Video coding The total duration of the encoded video data of device;Total duration is determined as to the final playback progress of audio player;Start video to compile Code device.
In some embodiments, after total duration to be determined as to the final playback progress of audio player, this method is also It include: to extract target using target audio data played indicated by final playback progress as target audio data interval Audio data section;Encoded video data and target audio data interval are stored.
In some embodiments, this method further include: it is played in target audio data to before playback progress, in response to Video data is collected, the collected video data of institute is deleted.
In some embodiments, before starting video encoder, this method further include: the code identification that will be pre-established It is set as the first preset value, wherein the first preset value, which is used to indicate, deletes the video data currently acquired.
In some embodiments, this method further include:, will coding mark when target audio data are played to playback progress Knowledge is set as the second preset value, wherein the second preset value is used to indicate to video encoder and transmits the video data currently acquired.
In some embodiments, this method further include: in response to detecting recording stop instruction, set code identification to First preset value.
Second aspect, the embodiment of the present application provide a kind of device for recorded video, which includes: the first starting Unit is configured to start video encoder;Setting unit is configured in response to detect recovery record command, determines view The playback progress of audio player is set above-mentioned duration by the duration of the encoded video of frequency encoder, wherein restores to record Instruction, which is used to indicate, to be continued to acquire video data and is continued to play target audio data using audio player;Second starting is single Member is configured to start audio player;Transmission unit is configured to after target audio data are played to playback progress, In response to collecting video data, to the collected video data of video encoder transmission institute, so that video encoder is to being adopted The video data collected is encoded.
In some embodiments, device further include: control unit is configured in response to detect that stopping recording referring to It enables, stops transmitting the collected video data of institute to video encoder, and control audio player and stop playing;Video is controlled to compile Code device stops coding.
In some embodiments, device further include: it is encoded to be configured to determine video encoder for the first determination unit Video data total duration;Second determination unit, be configured to for total duration being determined as audio player finally play into Degree;Third start unit is configured to start video encoder.
In some embodiments, the device further include: extraction unit, be configured to by indicated by final playback progress The target audio data of broadcasting extract target audio data interval as target audio data interval;Storage unit is configured to Encoded video data and target audio data interval are stored.
In some embodiments, device further include: delete unit, be configured to be played in target audio data to broadcasting Before degree of putting into, in response to collecting video data, the collected video data of institute is deleted.
In some embodiments, the device further include: the first setting unit, be configured to starting video encoder it Before, the first preset value is set by the code identification pre-established, wherein the first preset value is used to indicate the view that will currently acquire Frequency is according to deletion.
In some embodiments, device further include: the second setting unit is configured to be played when target audio data When to playback progress, the second preset value is set by code identification, wherein the second preset value is used to indicate to video encoder and passes The defeated video data currently acquired.
In some embodiments, device further include: third setting unit is configured in response to detect that stopping is recorded Instruction, sets the first preset value for code identification.
The third aspect, the embodiment of the present application provide a kind of terminal device, comprising: one or more processors;Storage dress Set, be stored thereon with one or more programs, when one or more programs are executed by one or more processors so that one or Multiple processors are realized such as the method for any embodiment in the method for recorded video.
Fourth aspect, the embodiment of the present application provide a kind of computer-readable medium, are stored thereon with computer program, should It is realized when program is executed by processor such as the method for any embodiment in the method for recorded video.
Method and apparatus provided by the embodiments of the present application for recorded video are being detected by starting video encoder To after restoring record command, the duration for the video that the playback progress of audio player is set as having recorded then starts audio Player, after target audio data are played to above-mentioned playback progress, in response to collecting video data, to video encoder The collected video data of transmission institute, so that video encoder encodes the collected video data of institute.It is thus possible to will The duration for the video recorded is set as the playback progress of audio player, avoids the institute caused by the deviation of playback progress There is the nonsynchronous situation of audio-video in the video of recording.Meanwhile pre-cooling video encoder, it is played in target audio data When to above-mentioned playback progress, then to the collected video data of video encoder transmission institute, realize video data encoding and sound The synchronous of frequency data playback carries out, and improves the audio-visual synchronization effect during dubbing in background music video record.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other Feature, objects and advantages will become more apparent upon:
Fig. 1 is that one embodiment of the application can be applied to exemplary system architecture figure therein;
Fig. 2 is the flow chart according to one embodiment of the method for recorded video of the application;
Fig. 3 is the schematic diagram according to an application scenarios of the method for recorded video of the application;
Fig. 4 is the flow chart according to another embodiment of the method for recorded video of the application;
Fig. 5 is the structural schematic diagram according to one embodiment of the device for recorded video of the application;
Fig. 6 is adapted for the structural schematic diagram for the computer system for realizing the terminal device of the embodiment of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is shown can be using the method for recorded video of the application or the example of the device for recorded video Property system architecture 100.
As shown in Figure 1, system architecture 100 may include terminal device 101,102,103, network 104 and server 105. Network 104 between terminal device 101,102,103 and server 105 to provide the medium of communication link.Network 104 can be with Including various connection types, such as wired, wireless communication link or fiber optic cables etc..
User can be used terminal device 101,102,103 and be interacted by network 104 with server 105, to receive or send out Send message (such as audio, video data upload request, audio data acquisition request) etc..It can pacify on terminal device 101,102,103 Equipped with various telecommunication customer end applications, such as the application of video record class, the application of audio broadcast message class, Video coding class application Instant Messenger Letter tool, mailbox client, social platform software etc..
Terminal device 101,102,103 can be hardware, be also possible to software.When terminal device 101,102,103 is hard When part, the various electronic equipments with display screen and video record and audio broadcasting, including but not limited to intelligent hand can be Machine, tablet computer, pocket computer on knee and desktop computer etc..It, can when terminal device 101,102,103 is software To be mounted in above-mentioned cited electronic equipment.Multiple softwares or software module may be implemented into (such as providing point in it Cloth service), single software or software module also may be implemented into.It is not specifically limited herein.
Terminal device 101,102,103 can be equipped with image collecting device (such as camera), to acquire video data. In practice, the minimum vision unit for forming video is frame (Frame).Each frame is the image of width static state.It will be continuous in time Frame sequence be synthesized to and just form dynamic video together.In addition, terminal device 101,102,103 can also be equipped with for will be electric Signal is converted to the device (such as loudspeaker) of sound, to play sound.In practice, audio data is with certain frequency to mould Quasi- audio signal carries out obtained data after analog-to-digital conversion (Analogue-to-Digital Conversion, ADC).Audio The broadcasting of data is that digital audio and video signals are carried out digital-to-analogue conversion, is reduced to analog audio signal, then by analog audio signal (analog audio signal is electric signal) is converted into the process that sound is exported.
Terminal device 101,102,103 can use the image collecting device (such as camera) being mounted thereon and be regarded The acquisition of frequency evidence.And it is possible to carry out the coding of video data using the video encoder being mounted thereon.In addition, may be used also To carry out the broadcasting of audio data using the audio player being mounted thereon.Terminal device 101,102,103 can be to video Encoder, audio player etc. are controlled, are arranged.
Server 105 can be to provide the server of various services, such as to being installed on terminal device 101,102,103 Video record class application provide support background server.Background server can upload received audio, video data The data such as request such as are parsed, are stored at the processing.It can be with audio, video data transmitted by receiving terminal apparatus 101,102,103 Acquisition request, and audio, video data indicated by the audio, video data acquisition request is fed back into terminal device 101,102,103.
It should be noted that server can be hardware, it is also possible to software.When server is hardware, may be implemented At the distributed server cluster that multiple servers form, individual server also may be implemented into.It, can when server is software To be implemented as multiple softwares or software module (such as providing Distributed Services), single software or software also may be implemented into Module.It is not specifically limited herein.
It should be noted that the embodiment of the present application provided by for recorded video method generally by terminal device 101, 102, it 103 executes, correspondingly, the device for recorded video is generally positioned in terminal device 101,102,103.
It should be understood that the number of terminal device, network and server in Fig. 1 is only schematical.According to realization need It wants, can have any number of terminal device, network and server.
With continued reference to Fig. 2, the process of one embodiment of the method for recorded video according to the application is shown 200.This is used for the method for recorded video, comprising the following steps:
Step 201, start video encoder.
In the present embodiment, for the executing subject of the method for recorded video (such as terminal device shown in FIG. 1 101, 102,103) in can install or be deployed with video encoder.Above-mentioned executing subject controls the starting of above-mentioned video encoder or stops Only.Herein, above-mentioned executing subject can star above-mentioned starting video encoder, carries out video record for user and prepares.
It should be noted that video encoder can be used for encoding video data.In practice, Video coding refers to By specific compress technique, the file of some video format is converted into the mode of another video format file.Above-mentioned view Frequency encoder can be the form to existing software (such as some component, code module etc.) or hardware, not limit herein It is fixed.
Step 202, it in response to detecting recovery record command, determines the encoded duration of video encoder, audio is broadcast The playback progress for putting device is set as the duration.
In the present embodiment, it can be obtained in advance in above-mentioned executing subject and be stored with target audio data.Herein, above-mentioned Target audio data can be the predesignated audio data (voice data) dubbed in background music as video of user, such as some refers to Determine the corresponding audio data of song.
In response to detecting recovery record command, the duration of the encoded video of video encoder can be determined, by audio The playback progress of player is set as the duration.Wherein, recovery record command, which can serve to indicate that, continues to acquire video data simultaneously Continue to play target audio data using audio player.Herein, before restoring record command triggering, above-mentioned executing subject can To be stored with video that is prerecording and not recording completion.Herein, the video prerecorded has been subjected to video encoder coding. The duration of the encoded video of video encoder can be determined in above-mentioned executing subject.In practice, in recording process each time, It by the duration of the video of video encoder coding, can be determined as follows: be compiled firstly, determining that this time is recorded to video The initial time and dwell time of code device transmission data;Later, the difference of the dwell time and the initial time is determined as regarding The duration of frequency encoder video encoded in the secondary recording process.In practice, which is also considered as this time and has recorded The duration of successful video.The duration of video encoded in each secondary recording process is summed, video encoder can be obtained The duration of the video of coding.It should be noted that above-mentioned executing subject can also use other methods to determine the video recorded Duration, details are not described herein again.
In practice, audio data is the data after digitizing to voice signal.The digitized process of voice signal is Continuous analog audio signal is converted into digital signal with certain frequency and obtains the process of audio data.In general, sound is believed Number digitized process include sampling, quantization and coding three steps.Wherein, sampling refers to the letter being spaced at regular intervals Number sample value sequence replaces original signal continuous in time.Quantization refers to limited amplitude approximate representation originally in the time The range value of upper consecutive variations, the discrete value that the continuous amplitude of analog signal is become limited quantity, has certain time interval.It compiles Code then refers to according to certain rule, and the discrete value after quantization is indicated with binary numeral.Herein, pulse code modulation (Pulse Code Modulation, PCM) may be implemented by analog audio signal through over-sampling, quantization, code conversion at number The audio data of word.Therefore, above-mentioned target audio data can be the data flow of pcm encoder format.At this point, carrying target sound The format of the file of frequency evidence can be wav format.It should be noted that recording the format of the file of above-mentioned target audio data It can also be extended formatting, such as mp3 format, ape format etc..At this point, above-mentioned target audio data can be other coding lattice The data of formula (such as the lossy compressions format such as AAC (Advanced Audio Coding, Advanced Audio Coding)), are not limited to PCM Coded format.Above-mentioned executing subject can also format this document, be converted into record wav format.At this point, conversion The target audio file in file afterwards is then the data flow of pcm encoder format.
In general, video record class application can be equipped in above-mentioned executing subject.The video record class application can be supported It dubs in background music the recording of video.Above-mentioned video of dubbing in background music can be the video that audio data broadcasting is carried out while video data acquiring. The sound in video of dubbing in background music recorded is the corresponding sound of the audio data.For example, recording user during playing certain song The performance of performance acts, and the video recorded is using the song as background music.Above-mentioned video record class application can be supported to dub in background music The continuous recording and segmentation of video are recorded.When being segmented recording, user can first click on recording key, carry out first segment video Recording.Then, recording key, the instruction of triggering pause video record are again tapped on.Then, recording key is again tapped on, is touched Hair restores record command, to carry out the recording of second segment video.Then, recording key, triggering pause video record are again tapped on Instruction.And so on.It should be noted that can also trigger by other means record command, pause record command and Restore record command.For example, the recording that key carries out every section of video can be recorded by long-pressing.When unclamping recording key, touching The instruction of hair pause video record.Details are not described herein again.
Step 203, start audio player.
In the present embodiment, audio player can be installed or is deployed in above-mentioned executing subject.Wherein, above-mentioned audio is broadcast Device is put for carrying out the broadcasting of audio data.In practice, audio is played, and is that digitized audio data is carried out digital-to-analogue conversion, It is reduced to the process of analog audio signal.Above-mentioned video encoder and audio player can be to existing software (example Such as some component, code module) or hardware form, be not construed as limiting herein.
In the present embodiment, after performing step 202, above-mentioned executing subject can star audio player.In practice, Above-mentioned executing subject can control starting or stoping for above-mentioned audio decoder.
Step 204, after target audio data are played to above-mentioned playback progress, in response to collecting video data, to The collected video data of video encoder transmission institute, so that video encoder encodes the collected video data of institute.
In the present embodiment, after target audio data are played to above-mentioned playback progress, in response to collecting video counts According to the collected video data of institute can be transmitted to video encoder, so that video encoder is to the collected video data of institute It is encoded.Thus, it is possible to be played in target audio data to above-mentioned playback progress, formally start to carry out video data Coding, to realize that the broadcasting of audio data and the code synchronism of video data carry out, to promote video record process of dubbing in background music In audio-visual synchronization effect.
In practice, above-mentioned executing subject can be equipped with image collecting device, such as camera.Above-mentioned executing subject can be with The acquisition of video data is carried out using above-mentioned camera.
In some optional implementations of the present embodiment, target audio data be played to the playback progress it Before, in response to collecting video data, above-mentioned executing subject can be deleted the collected video data of institute.It is above-mentioned in practice Executing subject can use the acquisition that above-mentioned camera carries out video data.It is above-mentioned step 201 execution before, that is, detecting Before restoring record command, camera may be at open state or closed state.If it is in the open state, can continue into Row picture catching, but not by the image transmitting captured to video encoder, also the image captured is not stored, it can To be abandoned (that is, carrying out frame losing processing), until target audio data are played to above-mentioned playback progress.If extensive detecting Before multiple record command, camera is in close state, then can after detecting and restoring record command, open camera into Row picture catching.At this point, also the frame captured is abandoned, until target audio data are played to above-mentioned playback progress.
In some optional implementations of the present embodiment, the above-mentioned method for recorded video can also include as follows Step: in response to detecting recording stop instruction, stop transmitting the collected video data of institute to above-mentioned video encoder, and control Above-mentioned audio player is made to stop playing.Later, it controls above-mentioned video encoder and stops coding.
In some optional implementations of the present embodiment, stop coding in the above-mentioned video encoder of above-mentioned control Afterwards, the above-mentioned method for recorded video can also include: firstly, determining the encoded video data of above-mentioned video encoder Total duration.Herein, the total duration of encoded video data is the total duration of the current video data that can be and recorded.It needs Illustrate, above-mentioned encoded video data, including the video data recorded before step 201.It later, can will be above-mentioned total Duration is determined as the final playback progress of above-mentioned audio player.Finally, can star above-mentioned video encoder.
In some optional implementations of the present embodiment, above-mentioned total duration is determined as above-mentioned audio broadcasting above-mentioned After the final playback progress of device, the above-mentioned method for recorded video can also include: firstly, by above-mentioned final playback progress Indicated played target audio data extract above-mentioned target audio data interval as target audio data interval.This Place, can determine the broadcasting end position of target audio data corresponding to playback progress.The broadcasting of target audio data is risen Beginning position mentions target audio data interval to the section that is constituted of end position is played as target audio data interval It takes.Later, encoded video data and above-mentioned target audio data interval can be stored.It herein, can will be above-mentioned It target audio data interval and is stored respectively comprising encoded video data into two files, and is established above-mentioned two The mapping of file.In addition it is also possible to store above-mentioned target audio data interval and encoded video data to the same text In part.
It is above-mentioned for recording before above-mentioned starting video encoder in some optional implementations of the present embodiment The method of video processed can also include: the code identification that will be pre-established be set as the first preset value (such as " NO ", or " N ", Or " 0 " etc.).Wherein, above-mentioned first preset value, which can serve to indicate that, deletes the video data currently acquired.
In some optional implementations of the present embodiment, the above-mentioned method for recorded video can also include: to work as When above-mentioned target audio data are played to above-mentioned playback progress, by above-mentioned code identification be set as the second preset value (such as " YES ", perhaps " Y " or " 1 " etc.).Wherein, above-mentioned second preset value can serve to indicate that transmits to above-mentioned video encoder The video data currently acquired.
In some optional implementations of the present embodiment, the above-mentioned method for recorded video can also include: sound Ying Yu detects recording stop instruction, sets above-mentioned first preset value for above-mentioned code identification.
With continued reference to the signal that Fig. 3, Fig. 3 are according to the application scenarios of the method for recorded video of the present embodiment Figure.In the application scenarios of Fig. 3, user's hand-held terminal device 301, the recording for the video that dub in background music.It is run in terminal device 301 There is short video record class application.User has selected some (example of dubbing in background music in the interface that the short video record class is applied in advance first Such as song " griggles "), it carries out segmentation and records video of dubbing in background music.This, which is dubbed in background music, is corresponding with target audio data 302.It is recorded in a certain segmentation After the completion of system, terminal device 301 starts video encoder first, records and prepares next time for user.User, which clicks, to be matched After happy video record key, recovery record command is triggered.After detecting the recovery record command, terminal device 301 The duration for the video that the playback progress of audio player is set as having recorded.Then, start audio player, work as target audio Data are played to above-mentioned playback progress, and in response to collecting video data 303, the transmission of Xiang Shangshu video encoder is acquired The video data arrived, so that above-mentioned video encoder encodes the collected video data of institute.
The method provided by the above embodiment of the application is detecting recovery record command by starting video encoder Afterwards, the playback progress of audio player is set to the duration for the video recorded, then starts audio player, work as target sound Frequency is according to being played to above-mentioned playback progress, and in response to collecting video data, to video encoder transmission, institute is collected Video data, so that video encoder encodes the collected video data of institute.It is thus possible to by the video recorded Duration is set as the playback progress of audio player, avoids the video recorded caused by the deviation of playback progress and occurs The nonsynchronous situation of audio-video.Meanwhile pre-cooling video encoder can not execute video encoder after restoring to record Start-up operation, reduce the complexity of operation performed after restoring to record, improve the recovery that response user is triggered The efficiency of record command.Meanwhile institute is transmitted when target audio data are played to above-mentioned playback progress, then to video encoder Collected video data realizes the synchronous progress that video data encoding is played with audio data, improves video record of dubbing in background music Audio-visual synchronization effect during system.
With further reference to Fig. 4, it illustrates the processes 400 of another embodiment of the method for recorded video.The use In the process 400 of the method for recorded video, comprising the following steps:
Step 401, start video encoder.
In the present embodiment, for the executing subject of the method for recorded video (such as terminal device shown in FIG. 1 101, 102,103) in can install or be deployed with video encoder.Above-mentioned executing subject controls the starting of above-mentioned video encoder or stops Only.Herein, above-mentioned executing subject can star above-mentioned starting video encoder.
In the present embodiment, before starting video encoder, coding that above-mentioned executing subject can also will pre-establish Mark is set as the first preset value (such as " NO ", perhaps " N " or " 0 " etc.).Wherein, above-mentioned first preset value can be used for It indicates to delete the video data currently acquired.
In the present embodiment, above-mentioned executing subject can be equipped with image collecting device, such as camera.Above-mentioned execution master Body can use the acquisition that above-mentioned camera carries out video data.It is above-mentioned step 401 execution before, i.e., starting Video coding Before device, camera may be at having turned on state.Above-mentioned executing subject, which can use above-mentioned camera and persistently carry out image, adopts Collection.In response to collecting video data (collecting each frame), can determine whether the value of current code identification is above-mentioned First preset value.If so, the video data currently acquired can be deleted to (that is, carrying out frame losing processing), until above-mentioned coding mark The value of knowledge is the second preset value (such as " YES ", perhaps " Y " or " 1 " etc.).Wherein, above-mentioned second preset value can be used for referring to Show to above-mentioned video encoder and transmits the video data currently acquired.
Step 402, it in response to detecting recovery record command, determines the duration of the encoded video of video encoder, incites somebody to action The playback progress of audio player is set as the duration.
In the present embodiment, above-mentioned executing subject can determine video encoder in response to detecting recovery record command The playback progress of audio player is set the duration by the duration of encoded video.Wherein, restoring record command can use Continue to acquire video data in instruction and continues to play target audio data using audio player.
Step 403, start audio player.
In the present embodiment, audio player can be installed or is deployed in above-mentioned executing subject.Wherein, above-mentioned audio is broadcast Device is put for carrying out the broadcasting of audio data.After performing step 202, above-mentioned executing subject can star audio player. In practice, above-mentioned executing subject can control starting or stoping for above-mentioned audio decoder.
Step 404, after target audio data are played to above-mentioned playback progress, in response to collecting video data, to The collected video data of video encoder transmission institute, so that video encoder encodes the collected video data of institute.
In the present embodiment, after target audio data are played to above-mentioned playback progress, in response to collecting video counts According to the collected video data of institute can be transmitted to video encoder, so that video encoder is to the collected video data of institute It is encoded.Thus, it is possible to be played in target audio data to above-mentioned playback progress, formally start to carry out video data Coding is dubbed in background music during video record to realize that the broadcasting of audio data and the code synchronism of video data are carried out with being promoted Audio-visual synchronization effect.
In addition, when above-mentioned target audio data are played to above-mentioned playback progress, above-mentioned executing subject can also will be upper It states code identification and is set as above-mentioned second preset value, to indicate when collecting video data, the transmission of Xiang Shangshu video encoder The current collected video data of institute.
Step 405, in response to detecting recording stop instruction, stop transmitting the collected video counts of institute to video encoder According to, and control audio player and stop playing.
In the present embodiment, in response to detecting recording stop instruction, above-mentioned executing subject can stop to above-mentioned video The collected video data of encoder transmission institute, meanwhile, it controls above-mentioned audio player and stops playing.
In addition, in response to detecting recording stop instruction, above-mentioned executing subject can also set above-mentioned code identification to Above-mentioned first preset value will continue the video data captured discarding to indicate when continuing to capture video data.
Step 406, control video encoder stops coding.
In the present embodiment, stopping to the collected video data of video encoder transmission institute, and controlling audio broadcasting Device stops after playing, and above-mentioned executing subject can control video encoder and stop coding.That is, stopping above-mentioned video encoder.
Step 407, the total duration of the encoded video data of video encoder is determined.
In the present embodiment, after control video encoder stops coding, above-mentioned executing subject can determine above-mentioned video The total duration of the encoded video data of encoder.Above-mentioned encoded video data, including the video recorded before step 201 Data.
Step 408, total duration is determined as to the final playback progress of audio player.
In the present embodiment, identified total duration can be determined as finally broadcasting for audio player by above-mentioned executing subject Degree of putting into.
Step 409, start video encoder.
In the present embodiment, above-mentioned executing subject can open again after determining the final playback progress of audio player Dynamic video encoder, to carry out the recording of next section of video.
Step 410, using target audio data played indicated by final playback progress as target audio data field Between, extract target audio data interval.
In the present embodiment, above-mentioned executing subject can determine broadcasting for target audio data corresponding to playback progress first Put end position.It then, can be true to the section that end position is constituted is played by the broadcasting initial position of target audio data It is set to target audio data interval.Finally, can be extracted to target audio data interval.
Step 411, encoded video data and target audio data interval are stored.
In the present embodiment, above-mentioned executing subject by above-mentioned target audio data interval and can include encoded video Data are stored respectively into two files, and establish the mapping of above-mentioned two file.In addition it is also possible to by above-mentioned target sound Frequency data interval and encoded video data are stored into same file.
Figure 4, it is seen that the method for recorded video compared with the corresponding embodiment of Fig. 2, in the present embodiment Process 400 embody detect recording stop instruction after performed operation.Due to stopping to video when stopping recording Stop audio coder while encoder transmission video data and plays target audio data.It is thereby achieved that Video coding with The synchronous stopping that audio plays.The audio-visual synchronization effect during dubbing in background music video record is further improved as a result,.In addition, Also highlight the operation to audio, video data storage.Thus, it is possible to realize the generation of audio-video document, broadcast in order to subsequent It puts, upload.
With further reference to Fig. 5, as the realization to method shown in above-mentioned each figure, this application provides one kind for recording view One embodiment of the device of frequency, the Installation practice is corresponding with embodiment of the method shown in Fig. 2, which can specifically answer For in various electronic equipments.
As shown in figure 5, the device 500 described in the present embodiment for recorded video includes: the first start unit 501, quilt It is configured to starting video encoder;Setting unit 502 is configured in response to detect that recovery record command, determination have been recorded Video duration, set above-mentioned duration for the playback progress of audio player, wherein above-mentioned recovery record command is for referring to Show and continues to acquire video data and continue to play target audio data using above-mentioned audio player;Second start unit 503, quilt It is configured to start above-mentioned audio player;Transmission unit 504 is configured to broadcast when above-mentioned target audio data are played to above-mentioned After degree of putting into, in response to collecting video data, the collected video data of Xiang Shangshu video encoder transmission institute, so that above-mentioned Video encoder encodes the collected video data of institute.
In some optional implementations of the present embodiment, which can also include that control unit (is not shown in figure Out).Wherein, above-mentioned control unit may be configured to stop in response to detecting recording stop instruction to above-mentioned Video coding The collected video data of device transmission institute, and control above-mentioned audio player and stop playing;Above-mentioned video encoder is controlled to stop Coding.
In some optional implementations of the present embodiment, which can also be including the first determination unit, second really Order member and third start unit (not shown).Wherein, above-mentioned first determination unit may be configured to determine above-mentioned view The total duration of the encoded video data of frequency encoder.Above-mentioned second determination unit may be configured to determine above-mentioned total duration For the final playback progress of above-mentioned audio player.Above-mentioned third start unit may be configured to start above-mentioned Video coding Device.
In some optional implementations of the present embodiment, which can also include extraction unit and storage unit (not shown).Wherein, may be configured to will be played indicated by above-mentioned final playback progress for said extracted unit Target audio data extract above-mentioned target audio data interval as target audio data interval.Said memory cells can be by It is configured to store encoded video data and above-mentioned target audio data interval.
In some optional implementations of the present embodiment, which can also include deleting unit (not show in figure Out).Wherein, above-mentioned deletion unit may be configured to be played in target audio data to before playback progress, in response to adopting Collect video data, the collected video data of institute is deleted.
In some optional implementations of the present embodiment, which can also be including the first setting unit (in figure not It shows).Wherein, above-mentioned first setting unit may be configured to the coding that will be pre-established before starting video encoder Mark is set as the first preset value, wherein above-mentioned first preset value, which is used to indicate, deletes the video data currently acquired.
In some optional implementations of the present embodiment, which can also be including the second setting unit (in figure not It shows).Wherein, above-mentioned second setting unit may be configured to be played when above-mentioned target audio data to above-mentioned playback progress When, the second preset value is set by above-mentioned code identification, wherein above-mentioned second preset value is used to indicate to above-mentioned video encoder Transmit the video data currently acquired.
In some optional implementations of the present embodiment, which can also be including third setting unit (in figure not It shows).Wherein, above-mentioned third setting unit may be configured to mark above-mentioned coding in response to detecting recording stop instruction Knowledge is set as above-mentioned first preset value.
The device provided by the above embodiment of the application starts video encoder by the first start unit 501, and second opens Moving cell 502 after detecting and restoring record command, video that the playback progress of audio player is set as having recorded when Long, then the second start unit 502 starts audio player, and last transmission unit 503 is played when determining target audio data After to above-mentioned playback progress, in response to collecting video data, to the collected video data of video encoder transmission institute, so that Video encoder encodes the collected video data of institute.It is thus possible to which the duration for the video recorded is set as sound The playback progress of frequency player, avoiding the video recorded caused by the deviation of playback progress, audio-video occur asynchronous The case where.Meanwhile pre-cooling video encoder, the complexity of operation performed after restoring to record can be made to reduce.? When target audio data are played to above-mentioned playback progress, then to the collected video data of video encoder transmission institute, realize The synchronous progress that video data encoding is played with audio data improves the audio-visual synchronization effect during dubbing in background music video record Fruit.
Below with reference to Fig. 6, it illustrates the computer systems 600 for the terminal device for being suitable for being used to realize the embodiment of the present application Structural schematic diagram.Terminal device shown in Fig. 6 is only an example, function to the embodiment of the present application and should not use model Shroud carrys out any restrictions.
As shown in fig. 6, computer system 600 includes central processing unit (CPU) 601, it can be read-only according to being stored in Program in memory (ROM) 602 or be loaded into the program in random access storage device (RAM) 603 from storage section 608 and Execute various movements appropriate and processing.In RAM 603, also it is stored with system 600 and operates required various programs and data. CPU 601, ROM 602 and RAM 603 are connected with each other by bus 604.Input/output (I/O) interface 605 is also connected to always Line 604.
I/O interface 605 is connected to lower component: the importation 606 including keyboard, mouse etc.;Including such as liquid crystal Show the output par, c 607 of device (LCD) etc. and loudspeaker etc.;Storage section 608 including hard disk etc.;And including such as LAN The communications portion 609 of the network interface card of card, modem etc..Communications portion 609 is executed via the network of such as internet Communication process.Driver 610 is also connected to I/O interface 605 as needed.Detachable media 611, semiconductor memory etc. Deng being mounted on driver 610 as needed, in order to be mounted into storage as needed from the computer program read thereon Part 608.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium On computer program, which includes the program code for method shown in execution flow chart.In such reality It applies in example, which can be downloaded and installed from network by communications portion 609, and/or from detachable media 611 are mounted.When the computer program is executed by central processing unit (CPU) 601, limited in execution the present processes Above-mentioned function.It should be noted that computer-readable medium described herein can be computer-readable signal media or Computer readable storage medium either the two any combination.Computer readable storage medium for example can be --- but Be not limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination. The more specific example of computer readable storage medium can include but is not limited to: have one or more conducting wires electrical connection, Portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed read-only deposit Reservoir (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory Part or above-mentioned any appropriate combination.In this application, computer readable storage medium, which can be, any include or stores The tangible medium of program, the program can be commanded execution system, device or device use or in connection.And In the application, computer-readable signal media may include in a base band or the data as the propagation of carrier wave a part are believed Number, wherein carrying computer-readable program code.The data-signal of this propagation can take various forms, including but not It is limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be computer Any computer-readable medium other than readable storage medium storing program for executing, the computer-readable medium can send, propagate or transmit use In by the use of instruction execution system, device or device or program in connection.Include on computer-readable medium Program code can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF etc., Huo Zheshang Any appropriate combination stated.
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction Combination realize.
Being described in unit involved in the embodiment of the present application can be realized by way of software, can also be by hard The mode of part is realized.Described unit also can be set in the processor, for example, can be described as: a kind of processor packet Include the first start unit, setting unit, the second start unit and transmission unit.Wherein, the title of these units is in certain situation Under do not constitute restriction to the unit itself, for example, the first start unit is also described as " starting video encoder Unit ".
As on the other hand, present invention also provides a kind of computer-readable medium, which be can be Included in device described in above-described embodiment;It is also possible to individualism, and without in the supplying device.Above-mentioned calculating Machine readable medium carries one or more program, when said one or multiple programs are executed by the device, so that should Device: starting video encoder;In response to detecting recovery record command, determines the duration for the video recorded, audio is broadcast The playback progress for putting device is set as the duration, wherein the recovery record command, which is used to indicate, to be continued to acquire video data and utilize The audio player continues to play target audio data;Start the audio player;When the target audio data are played to this After playback progress, in response to collecting video data, to the collected video data of video encoder transmission institute, so that the view Frequency encoder encodes the collected video data of institute.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (18)

1. a kind of method for recorded video, comprising:
Start video encoder;
In response to detecting recovery record command, determines the duration of the encoded video of the video encoder, audio is played The playback progress of device is set as the duration, wherein the recovery record command, which is used to indicate, continues to acquire video data and benefit Continued to play target audio data with the audio player;
Start the audio player;
After the target audio data are played to the playback progress, in response to collecting video data, Xiang Suoshu video The collected video data of encoder transmission institute, so that the video encoder encodes the collected video data of institute.
2. the method according to claim 1 for recorded video, wherein the method also includes:
In response to detecting recording stop instruction, stop transmitting the collected video data of institute to the video encoder, and control The audio player is made to stop playing;It controls the video encoder and stops coding.
3. the method according to claim 2 for recorded video, wherein stop in the control video encoder After coding, the method also includes:
Determine the total duration of the encoded video data of the video encoder;
The total duration is determined as to the final playback progress of the audio player;
Start the video encoder.
4. the method according to claim 3 for recorded video, wherein it is described the total duration is determined as it is described After the final playback progress of audio player, the method also includes:
Using target audio data played indicated by the final playback progress as target audio data interval, institute is extracted State target audio data interval;
Encoded video data and the target audio data interval are stored.
5. the method according to claim 1 for recorded video, wherein the method also includes:
It is played in the target audio data to before the playback progress, in response to collecting video data, will be acquired The video data arrived is deleted.
6. the method according to claim 1 for recorded video, wherein before the starting video encoder, institute State method further include:
The first preset value is set by the code identification pre-established, wherein first preset value, which is used to indicate, currently to be adopted The video data of collection is deleted.
7. the method according to claim 6 for recorded video, wherein the method also includes:
When the target audio data are played to the playback progress, the second preset value is set by the code identification, Wherein, second preset value is used to indicate to the video encoder and transmits the video data currently acquired.
8. the method according to claim 7 for recorded video, wherein the method also includes:
In response to detecting recording stop instruction, first preset value is set by the code identification.
9. a kind of device for recorded video, comprising:
First start unit is configured to start video encoder;
Setting unit is configured in response to detect recovery record command, determines the encoded video of the video encoder Duration, set the duration for the playback progress of audio player, wherein the recovery record command is used to indicate continuation Acquisition video data simultaneously continues to play target audio data using the audio player;
Second start unit is configured to start the audio player;
Transmission unit is configured to after the target audio data are played to the playback progress, in response to collecting view Frequency evidence, the collected video data of Xiang Suoshu video encoder transmission institute, so that the video encoder is collected to institute Video data is encoded.
10. the device according to claim 9 for recorded video, wherein described device further include:
Control unit is configured in response to detect recording stop instruction, stops transmitting being acquired to the video encoder The video data arrived, and control the audio player and stop playing;It controls the video encoder and stops coding.
11. the device according to claim 10 for recorded video, wherein described device further include:
First determination unit is configured to determine the total duration of the encoded video data of the video encoder;
Second determination unit is configured to for the total duration being determined as the final playback progress of the audio player;
Third start unit is configured to start the video encoder.
12. the device according to claim 11 for recorded video, wherein described device further include:
Extraction unit is configured to using target audio data played indicated by the final playback progress as target sound Frequency data interval extracts the target audio data interval;
Storage unit is configured to store encoded video data and the target audio data interval.
13. the device according to claim 9 for recorded video, wherein described device further include:
Unit is deleted, is configured to be played in the target audio data to before the playback progress, in response to collecting Video data deletes the collected video data of institute.
14. the device according to claim 9 for recorded video, wherein described device further include:
First setting unit, is configured to before starting video encoder, sets first for the code identification pre-established Preset value, wherein first preset value, which is used to indicate, deletes the video data currently acquired.
15. the device according to claim 14 for recorded video, wherein described device further include:
Second setting unit is configured to when the target audio data are played to the playback progress, by the coding Mark is set as the second preset value, wherein second preset value is used to indicate to the video encoder and transmits current acquisition Video data.
16. the device according to claim 15 for recorded video, wherein described device further include:
Third setting unit is configured in response to detect recording stop instruction, sets described for the code identification One preset value.
17. a kind of terminal device, comprising:
One or more processors;
Storage device is stored thereon with one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real Now such as method described in any one of claims 1-8.
18. a kind of computer-readable medium, is stored thereon with computer program, wherein the realization when program is executed by processor Such as method described in any one of claims 1-8.
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CN201810865723.6A CN109600562B (en) 2018-08-01 2018-08-01 Method and apparatus for recording video
JP2021504427A JP7008870B2 (en) 2018-08-01 2019-07-30 How and equipment to record video
BR112020024621-2A BR112020024621A2 (en) 2018-08-01 2019-07-30 video recording method and device
KR1020207035557A KR102625410B1 (en) 2018-08-01 2019-07-30 Video recording methods and devices
EP19845332.6A EP3833010A4 (en) 2018-08-01 2019-07-30 Video recording method and device
PCT/CN2019/098460 WO2020024950A1 (en) 2018-08-01 2019-07-30 Video recording method and device
US17/014,391 US11114133B2 (en) 2018-08-01 2020-09-08 Video recording method and device

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