CN109348281B - Video processing method, video processing device, computer equipment and storage medium - Google Patents

Video processing method, video processing device, computer equipment and storage medium Download PDF

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CN109348281B
CN109348281B CN201811324699.1A CN201811324699A CN109348281B CN 109348281 B CN109348281 B CN 109348281B CN 201811324699 A CN201811324699 A CN 201811324699A CN 109348281 B CN109348281 B CN 109348281B
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audio
recording
image
time
video
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CN109348281A (en
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唐志新
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Beijing Microlive Vision Technology Co Ltd
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Beijing Microlive Vision Technology Co Ltd
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    • 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
    • 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
    • H04N21/439Processing of audio elementary streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording

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

Abstract

The present disclosure relates to a video processing method, apparatus, computer device, and storage medium. The method comprises the following steps: acquiring a first video, extracting an audio in the first video as a first audio, and extracting an audio starting time and an audio ending time of the first audio; calculating the audio reference time length of the first audio according to the audio starting time and the audio ending time; receiving a recording instruction for recording a second video, and taking the audio starting time as the recording starting time of the second video; acquiring a second audio from the recording starting moment according to the recording instruction; and when receiving a recording stopping instruction input according to the audio reference time length, stopping collecting the second audio, and taking the collected second audio as the recorded audio in the second video. By adopting the method, the second audio obtained by recording can be ensured to be synchronous with the first audio, thereby ensuring the synchronization of the video.

Description

Video processing method, video processing device, computer equipment and storage medium
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a video processing method and apparatus, a computer device, and a storage medium.
Background
With the development of computer technology, a user can record a video by using a terminal, and when the video is recorded, the user needs to play an existing video at the same time, for example, the user needs to record the video by using the existing video as a reference video, and synchronously play the reference video and the recorded video.
Generally, since a terminal can only play or record a video independently, when a user records the video, the user needs to operate two devices at the same time, which causes the audio contained in the video collected when the user clicks to start recording to be asynchronous with the audio contained in the existing video.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a video processing method, an apparatus, a computer device, and a storage medium capable of ensuring synchronization of audio contained in video in response to the above technical problem.
A method of video processing, the method comprising:
acquiring a first video, extracting an audio in the first video as a first audio, and extracting an audio starting time and an audio ending time of the first audio;
calculating the audio reference time length of the first audio according to the audio starting time and the audio ending time;
receiving a recording instruction for recording a second video, and taking the audio starting time as the recording starting time of the second video;
acquiring a second audio from the recording starting moment according to the recording instruction;
and when receiving a recording stopping instruction input according to the audio reference time length, stopping collecting the second audio, and taking the collected second audio as the recorded audio in the second video.
In one embodiment, the acquiring the second audio from the recording start time includes:
acquiring a current audio from the recording starting moment, and acquiring a current audio acquisition duration corresponding to the current audio;
when the current audio acquisition duration does not reach the audio reference duration, calculating audio missing duration according to the current audio acquisition duration and the audio reference duration, and acquiring an additional recording audio corresponding to the audio missing duration;
and obtaining a second audio according to the current audio and the additional recording audio.
In one embodiment, the receiving a recording instruction for recording a second video, and taking the audio start time as the recording start time of the second video according to the recording instruction, further includes:
acquiring a second image from the recording starting moment;
and when the recording stopping instruction is received, stopping collecting, and taking the collected second image as a recorded image in the second video.
In one embodiment, the acquiring the second image from the recording start time includes:
acquiring a current image from the recording starting moment, and acquiring the current image and a current image acquisition duration corresponding to the current image;
when the current image acquisition duration corresponding to the current image does not reach the audio reference duration, calculating image missing duration according to the current image acquisition duration and the audio reference duration, and acquiring an additional recording image corresponding to the image missing duration;
and obtaining a second image according to the current image and the additional recording image.
In one embodiment, the method comprises:
acquiring the total recording time length of the second audio;
comparing the audio reference time length with the total recording time length to obtain a comparison result;
extracting the time length of the audio with the small time length in the comparison result as standard time length;
and adjusting the length of the audio with the longer time length in the comparison result according to the standard time length.
In one embodiment, the method further comprises:
acquiring audio corresponding to the standard duration as standard audio;
inquiring an image corresponding to the standard audio as a standard image;
and adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
In one embodiment, the taking the audio start time as a recording start time of the second video includes:
inquiring a time range corresponding to the audio starting time;
and taking the time in the time range as the recording starting time.
A video processing device, the device comprising:
the device comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a first video, extracting an audio in the first video as a first audio, and extracting an audio starting time and an audio ending time of the first audio;
the calculation module is used for calculating the audio reference duration of the first audio according to the audio starting time and the audio ending time;
the recording module is used for receiving a recording instruction for recording a second video and taking the audio starting time as the recording starting time of the second video; the recording device is also used for acquiring a second audio from the recording starting moment according to the recording instruction;
and the first stopping module is used for stopping recording the second video when receiving a recording stopping instruction input according to the audio reference time length and taking the acquired second audio as the recorded audio in the second video.
A computer device comprising a memory storing a computer program and a processor implementing the steps of the above method when executing the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method.
According to the video processing method, the device, the computer equipment and the storage medium, only the audio frequency in the first video is needed to be obtained as the first audio frequency, the audio frequency starting time and the audio frequency ending time of the first audio frequency are obtained, the audio frequency reference time length of the first audio frequency is calculated according to the audio frequency starting time and the audio frequency ending time length, the second video recording instruction is received, the audio frequency starting time is used as the recording starting time length of the second audio frequency, the second audio frequency is collected from the recording starting time length according to the second video recording instruction, when the recording stopping instruction input according to the audio frequency reference time length is received, the collection is stopped, the collected second audio frequency is used as the recorded video frequency in the second video frequency, the second audio frequency obtained by recording is ensured to be synchronous with the first audio frequency, and the synchronization of the video frequency can be ensured.
Drawings
FIG. 1 is a flow diagram of a video processing method in one embodiment;
FIG. 2 is a schematic flow chart of a second audio capture step in one embodiment;
FIG. 3 is a schematic flow chart of a second image acquisition step in one embodiment;
FIG. 4 is a block diagram showing the structure of a video processing apparatus according to one embodiment;
FIG. 5 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
In one embodiment, as shown in fig. 1, there is provided a video processing method comprising the steps of:
s102: the method comprises the steps of obtaining a first video, extracting an audio in the first video to serve as a first audio, and extracting an audio starting time and an audio ending time of the first audio.
Specifically, the first video refers to an existing video, and the first video may be a video used as a reference, so that the user may record other videos according to the first video, and the first video may be a video stored in a corresponding video library. The first audio refers to existing audio contained in the first video. Specifically, the terminal acquires an existing video stored in a video library as a first video, extracts a first audio in the first video, and queries an audio starting time and an audio ending time of the first audio. The user may select different videos stored in a video library displayed by the terminal, generate a corresponding selection instruction according to the selection of the user, where the selection instruction carries a video identifier of the selected video, and then the terminal obtains a video corresponding to the corresponding video identifier from the different videos stored in the server according to the selection instruction, where the video is a first video, and when the first video is obtained, extracts a first audio contained in the first video, and further queries an audio start time of the first audio and an audio end time of the first audio.
S104: and calculating the audio reference time length of the first audio according to the audio starting time and the audio ending time.
Specifically, the audio reference time length refers to a total time length of the first audio, and the total time length is a time length of the audio included in the first video, so that the specific time length is used as a time length for recording the audio when the recording is performed according to the first video. When the terminal acquires the first audio and acquires the audio start time and the audio end time corresponding to the first audio, the total duration of the first audio can be calculated, that is, the audio reference duration of the first audio is calculated. The method includes that when the terminal acquires the first audio and acquires the audio starting time and the audio ending time, a difference value between the audio starting time and the audio ending time is calculated, the difference value is further used as audio reference time length, and video recording can be performed according to the audio reference time length in the subsequent recording process.
S106: and receiving a recording instruction for recording the second video, and taking the audio starting time as the recording starting time of the second video.
Specifically, the second video refers to a video obtained by recording according to the first video as a reference video, and the second video may be a second video obtained by recording in an imitation or interactive form according to the first video by a user. The recording start time is a time at which recording of the second video is started. Specifically, the terminal receives a recording instruction for recording a second video, and then may start recording the second video, including acquiring a second audio and a second image, where the recording start time for recording the second video is the audio start time of the acquired first audio. The method includes that when the terminal obtains a first video according to a selection instruction of a user, the first video is displayed, the user inputs a corresponding recording start instruction for starting recording a second video according to the displayed first video, and when the terminal receives the recording instruction, the terminal takes the audio starting time of the first audio extracted from the first video as a recording starting time to start collecting the second audio. For example, when the terminal displays the acquired first video, the user clicks a recording button displayed on the corresponding display interface according to the displayed first video, the terminal generates a corresponding recording start instruction according to the clicking operation of the user, the terminal starts to play the first video, and the audio start time of the first audio contained in the first video is used as the recording start time to acquire a second audio. The generating of the recording instruction may also be that the user presses a recording button displayed on the corresponding display interface for a long time, and the like.
S108: and acquiring a second audio from the recording starting moment according to the recording instruction.
Specifically, the second audio is audio contained in the second video. And when the terminal records the second video according to the recording starting instruction of the user, starting to acquire the recorded audio at the recording starting moment, wherein the recorded audio is the second audio. For example, when the terminal receives the recording instruction, the terminal starts to collect the second audio from the audio start time of the first audio in the first video, that is, collects the occurring background audio or the audio during user interaction or template first video, where the collected audio is the second audio
S110: and when receiving a recording stopping instruction input according to the audio reference time length, stopping collecting the second audio, and taking the collected second audio as the recorded audio in the second video.
Specifically, the instruction to stop recording refers to an instruction input by the user to stop recording the second video. Specifically, when recording the second video, when the user inputs corresponding stop information, a corresponding recording stop instruction is generated, the terminal stops recording the second video according to the recording stop instruction, further inquires the acquired second audio, and uses the acquired second audio as the recorded audio in the second video, at this time, the time length of the acquired second audio as the recorded audio is the same as the audio reference time length corresponding to the first audio, and then the first audio and the second audio can be synchronously played when subsequently playing the first video and the second video. When recording the second video, displaying an audio reference time length on a corresponding display interface, when a user correspondingly clicks a recording stopping button according to the audio reference time length, generating a corresponding recording stopping instruction, and stopping recording the second video by the terminal according to the recording stopping instruction, so that the terminal inquires the second audio collected at the moment, and takes the second audio as the audio in the second video, namely the recorded audio in the second video; or when the user presses the recording button displayed on the corresponding display interface for a long time to record the second video, and when the second audio is collected, when the recording button displayed on the display interface is bounced, the recording of the second video is stopped, so that the terminal inquires the second audio collected at the moment, and the second audio is used as the audio in the second video, namely the recorded audio in the second video.
In the embodiment, the audio in the recorded video is ensured to be synchronous with the audio in the existing video as far as possible without operating different devices by a user, namely, only a single terminal is required to obtain the first video, further acquiring a first audio and an audio start time and an audio end time included in the first video, further calculating to obtain an audio reference time length, starting to record the second video by the terminal, taking the audio starting time as the recording starting time of the second video, and collects the second audio from the recording start time, when receiving the instruction of stopping recording inputted according to the audio reference time length, stopping recording the second video, using the collected second audio as the recorded audio in the second video, therefore, the synchronization of the first audio and the second audio is ensured, namely when the first video and the second video are played, the same frame is played at the same time, and the synchronization of the playing is ensured.
In one embodiment, please refer to fig. 2, which is a schematic flow chart of a step of providing a second audio capture, that is, capturing a second audio from a recording start time, includes: acquiring a current audio from a recording starting moment, and acquiring a current audio acquisition duration corresponding to the current audio; when the current audio acquisition duration does not reach the audio reference duration, calculating audio missing duration according to the current audio acquisition duration and the audio reference duration, and acquiring an additional recording audio corresponding to the audio missing duration; and obtaining a second audio according to the current audio and the complementary recording audio.
Specifically, when the terminal receives a corresponding recording instruction, the terminal starts to record a second video, and when recording, the current recording duration needs to be detected in real time so as to judge whether the audio data acquired at the current moment is acquired or discarded and whether subsequent recording is performed, that is, the terminal starts to acquire a current audio from the recording start moment and further acquires a current audio acquisition duration corresponding to the current audio, compares the current audio acquisition duration with an audio reference duration and further judges whether the current audio acquisition duration reaches the audio reference duration, when the current audio acquisition duration does not reach the audio reference duration, the current audio data is acquired, when the current audio data is acquired, the subsequent audio data needs to be continuously acquired, the terminal calculates an audio missing duration according to the current audio acquisition duration and the audio reference duration, wherein the audio missing duration is the duration needed to continuously acquire the audio, therefore, the terminal continues to collect the additional recording audio corresponding to the audio missing duration, and the audio obtained by the terminal according to the current audio and the additional recording audio is the second audio. When the terminal receives the recording command, the terminal may determine, according to the audio start time of the first audio as the recording start time, and then the second video is recorded from the recording starting time, namely the current audio is collected from the recording starting time, and obtains the current audio obtaining duration corresponding to the current audio, namely, the time difference is calculated from the recording starting time to the current time, the time difference is the current audio acquisition duration, when the current audio acquisition duration does not reach the audio reference duration, collecting the audio data at the current moment, and needing further additional recording, calculating the audio missing time length according to the current audio acquisition time length and the audio reference time length, the audio missing time is the time of the audio needing to be additionally recorded, the terminal collects the additionally recorded audio corresponding to the audio missing time, and the obtained integral audio is the second audio according to the current audio and the additionally recorded audio.
In this embodiment, in the process of acquiring the second audio, whether a complete second audio is acquired may be determined according to the current audio acquisition duration, and if a second audio having a duration corresponding to the first audio is not acquired, the additional recording is continued, so that the additional recording audio and the current audio are used as the second audio, the duration of the recorded second audio is the same as that of the recorded first audio, and the synchronization success rate is improved.
In one embodiment, receiving a recording instruction for recording a second video, and taking an audio start time as a recording start time of the second video according to the recording instruction, further includes: collecting a second image from the recording starting time; and when receiving a recording stopping instruction, stopping collecting, and taking the collected second image as a recorded image in the second video.
Specifically, the second image refers to an image included in the second video, and the image may be an image acquired by the terminal through simulation or interaction performed by the user according to the first image included in the first video. Specifically, when the terminal starts to record the second video, the terminal acquires the second audio, and at the time of acquiring the second audio, the terminal acquires the second image at the same time, that is, the terminal acquires the second image according to the acquired audio start time as the video recording start time.
In this embodiment, a duration of a first image included in the first video may also be used as a reference, that is, an image start time of the first image included in the first video is obtained, and then an image end time of the first image is obtained, the image reference duration is calculated according to the image start time and the image end time, that is, when a second image is acquired, the corresponding first image is acquired according to the image reference duration, and when a corresponding recording stopping instruction is received, the acquired second image is used as a recorded image in the second video.
In this embodiment, when the second image is collected, the second image can be directly obtained according to the audio reference duration of the first audio, so that the collected second image and the second audio can be synchronized, synchronization of the subsequent image and the audio is ensured, and synchronization of the first video and the second video is further ensured.
In one embodiment, referring to fig. 3, a schematic flow chart of a second image capturing step is provided, where the second image capturing step, that is, capturing a second image from the recording start time, includes: acquiring a current image from a recording starting moment, and acquiring the current image and a current image acquisition duration corresponding to the current image; when the current image acquisition duration corresponding to the current image does not reach the audio reference duration, calculating image missing duration according to the current image acquisition duration and the audio reference duration, and acquiring an additional recording image corresponding to the image missing duration; and obtaining a second image according to the current image and the additional recording image.
Specifically, when the terminal receives a recording instruction, the terminal starts to record a second video, and when recording, the current recording duration needs to be detected in real time, so as to judge whether the image frame acquired at the current moment is acquired or discarded and whether subsequent recording is performed, that is, the terminal acquires the current image from the recording start moment and acquires the current image acquisition duration corresponding to the current image, and further judges whether the current image acquisition duration reaches the audio reference duration, that is, whether the acquisition of the first image is completed, when the image acquisition duration does not reach the audio reference duration, the current image frame is acquired, when the current image frame is acquired, the subsequent image frame can be continuously acquired, that is, the terminal calculates the image missing duration according to the current image acquisition duration and the audio reference duration, wherein the image missing duration is the duration missing of the image which needs to be continuously acquired, and the terminal continuously acquires the image corresponding to the image missing duration as the additional recording image, and the image obtained according to the obtained current image and the additional recording image is the second image. When the terminal receives a recording instruction, the terminal starts to record a second video from the recording start time, that is, collects a current image from the recording start time, and obtains a current image acquisition duration corresponding to the current image, that is, calculates a time difference from the recording start time to the current time, where the time difference is the current image acquisition duration, and when the current image acquisition duration does not reach the audio reference duration, collects image data at the current time and needs further recording, calculates an image missing duration according to the current image acquisition duration and the audio reference duration, where the image missing duration is the duration of the image to be recorded, and then the terminal collects a recorded image corresponding to the image missing duration, and according to the current image and the recorded image, the obtained overall image is the second image.
In this embodiment, a duration of a first image included in a first video may be used as a reference, when a second image is acquired if an audio duration included in the video is different from an image duration, the duration of the first image is used as a reference, so that an image reference time is calculated according to an image start time and an image end time of the acquired first image, a current image is acquired from the image start time, the current image and a corresponding current image acquisition duration are acquired, when the current image acquisition duration does not reach the image reference time, an image missing duration is calculated according to the current image acquisition duration and the image reference duration, a supplementary recording image corresponding to the image missing duration is acquired, and the second image is acquired according to the current image and the supplementary recording image.
In this embodiment, when the second image is collected, whether a complete second image corresponding to the first audio is collected or not may be determined according to the current image acquisition duration, and if the complete second image is not collected, the additional recording is continued, so that the additional recording image and the current image are used as the second image, and the synchronization success rate is improved.
In one embodiment, a video processing method includes: acquiring the total recording time length of the second audio; comparing the audio reference time length with the total recording time length to obtain a comparison result; taking the time length of the audio with small time length in the comparison result as standard time length; (ii) a And adjusting the length of the audio with the large time length in the comparison result according to the standard time length.
Specifically, when the recording of the second video is completed, the lengths of the first audio contained in the first video and the second audio contained in the second video are verified, so that the subsequent synchronous playing is further ensured, that is, the terminal obtains the total recording duration of the second audio, further extracts the audio reference duration of the first audio, compares the total recording duration of the second audio with the audio reference duration of the first audio to obtain a comparison result, and takes the duration of the audio with the small time length in the comparison result as the standard duration, further adjusts the length of the audio with the large time length. The terminal may obtain a second audio starting time and a second audio ending time of the second audio, calculate a difference between the second audio starting time and the second audio ending time, where the difference is used as a total recording duration of the second audio, further compare the total recording duration with an audio reference duration and obtain a comparison result, where a duration of an audio with a small time length displayed in the comparison result is used as a standard duration, and delete ending audio data of an audio with a large time length according to the standard duration, so as to obtain an audio with the same duration as the standard duration.
In this embodiment, when the first audio and the second audio are obtained, further verification is needed, so as to further ensure that audio data at the same time is played at a certain time when the first audio and the second audio are played, and ensure synchronization when the first audio and the second audio are played.
In one embodiment, the video processing method further includes: acquiring audio corresponding to the standard time length as standard audio; inquiring an image corresponding to the standard audio as a standard image; and adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
Specifically, when the adjustment of the recorded audio is completed, the first image contained in the first video and the second image contained in the second video are adjusted, and when the image is adjusted, the time length of the adjusted audio is adopted to adjust the corresponding image, thereby ensuring that the audio data of the first video and the second video are synchronous with the image frame at the same moment in the subsequent playing, and ensures that the played image frames of the same first image and the second image are synchronous, the terminal acquires the audio corresponding to the standard time length as the standard audio, and then inquiring the image corresponding to the standard audio as the standard image, and then the other image is the image corresponding to the audio as the standard audio, namely the image corresponding to the audio with a long time length, and further adjusting the length of the other image which is not used as the standard image. The terminal may acquire the audio corresponding to the standard time length as the standard audio, further query the image corresponding to the standard audio as the standard image, query the length of the standard image, delete the end frame data of another image that is not used as the standard image, that is, delete the end data corresponding to the time different from the standard time length, and obtain the image with the same length as the standard image. It should be noted that, in this embodiment, when the duration of the first image in the first video is the same as the duration of the first audio, in order to ensure synchronous playing, the duration of the second image in the second video is also the same as the duration of the second audio, and the terminal may use the duration with a small time length in the comparison result as a standard duration, so as to adjust the length of the image corresponding to the audio with a large time length in the comparison result according to the standard duration. When the time length of the first image in the first video is different from the time length of the second audio, in order to synchronously play and synchronize, the first audio in the first video is synchronized with the second audio in the second video, and the first image in the first video is synchronized with the second image in the second video, so that the standard time length is inquired, the audio corresponding to the standard time length is obtained as the standard audio, the image corresponding to the standard audio is inquired as the standard image, and the length of the image corresponding to the audio with the longer time length in the comparison result is adjusted according to the standard image.
In this embodiment, in order to ensure that the audio data and the image frames of the first video and the second video are synchronized at the same time during subsequent playing, and ensure that the image frames played at the same first image and the same second image are synchronized, that is, the first video and the second video are synchronized.
In one embodiment, taking the audio start time as a recording start time of the second video includes: inquiring a time range corresponding to the audio starting time; the time in the time range is taken as the recording start time.
Specifically, when the recording start time is selected, because the recording start time may not be completely matched with the audio start time of the first audio, the recording start time may be within a preset time range, that is, the selected recording start time may be slightly later than the audio start time of the first audio, the terminal queries a time range corresponding to the audio start time, the time within the time range is effective as the recording start time, and the time queried in the time range is effective as the recording start time, and the time within the time range is slightly later than the audio start time of the first audio.
In this embodiment, when the recording start time is selected, the corresponding recording start time can be found according to the corresponding time range, thereby ensuring the flexibility in selecting the recording start time.
In one embodiment, the terminal may be provided with two display areas, which are a first display area and a second display area, respectively, the first display area includes a first video, the second display area includes a second video, and a user may refer to the first video on the same display interface, so as to record the second video, when the terminal records the second video, the first video in the first display area starts in time, and then the terminal extracts a first audio included in the first video, obtains an audio start time and an audio end time of the first audio, calculates an audio reference time according to the audio start time and the audio end time, and when the second audio is collected from the recording start time, obtains a current audio obtaining time in real time, queries whether the current audio obtaining time reaches the audio reference time, and when the audio reference time is not reached, acquiring audio data corresponding to the difference between the audio reference time length and the current audio acquisition time length and recording the audio additionally, so as to take the current audio and the additionally recorded audio as a second audio, wherein the difference between the audio reference time length and the current audio acquisition time length is the audio missing time length, when a user stops recording according to the recording reference time length on a display interface, the terminal receives a recording stopping instruction, the terminal stops recording the second video, so as to take the acquired second audio as the recorded audio in the second video, in addition, when the recording starting time is selected, the recording starting time can be within a preset time range because the audio starting time can not be completely matched with the recording starting time, namely the selected recording starting time can be slightly later than the audio starting time, and a second image is also acquired while the second audio is acquired, that is, a second image is collected from the recording starting time, that is, a current image is collected from the recording starting time, and the current image is obtained to obtain a corresponding current image obtaining time length, when the audio reference time length is not reached, an image frame corresponding to the difference value between the audio reference time length and the current image obtaining time length is collected and an image is recorded additionally, so that the current image and the additional image are used as the second image, wherein the difference value between the audio reference time length and the current image obtaining time length is the image missing time length, when the first audio, the second audio, the first image and the second image are obtained, further verification can be carried out, that is, the time length of the audio with the small time length in the first audio and the second audio is selected as the standard time length, then another audio is adjusted according to the standard time length, that is, the ending data of the another audio is deleted, and the audio with the same time length as the standard, and adjusting the corresponding image, namely when the audio is adjusted, taking the audio corresponding to the standard time length as the standard audio, taking the image corresponding to the standard audio as the standard image, and further adjusting another image, namely deleting the end frame data of the other image to obtain the image with the time length same as that of the standard image. In this embodiment, it can be ensured that the first video and the second video are both played in the same frame at the same time, that is, the first frame is played at a certain time, so as to ensure synchronous playing.
It should be understood that although the various steps in the flow charts of fig. 1-3 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-3 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 4, there is provided a video processing apparatus 400 comprising: an acquisition module 410, a calculation module 420, a recording module 430, and a stop module 440, wherein:
the obtaining module 410 is configured to obtain a first video, extract an audio in the first video as a first audio, and extract an audio start time and an audio end time of the first audio.
The calculating module 420 is configured to calculate an audio reference duration of the first audio according to the audio starting time and the audio ending time.
The recording module 430 is configured to receive a recording instruction for recording a second video, and use the audio start time as a recording start time of the second video; and the audio acquisition unit is also used for acquiring a second audio from the recording starting moment according to the recording instruction.
The first stopping module 440 is configured to stop acquiring the second audio when receiving a recording stopping instruction input according to an audio reference time length, and use the acquired second audio as a recorded audio in a second video.
In one embodiment, the recording module 430 includes:
and the current audio acquisition unit is used for acquiring the current audio from the recording starting moment and acquiring the current audio acquisition duration corresponding to the current audio.
And the audio complementary recording unit is used for calculating the audio missing duration according to the current audio acquiring duration and the audio reference duration when the current audio acquiring duration does not reach the audio reference duration, and acquiring the complementary recording audio corresponding to the audio missing duration.
And the second audio obtaining unit is used for obtaining a second audio according to the current audio and the complementary recording audio.
In one embodiment, the video processing apparatus further includes:
and the second image acquisition module is used for acquiring a second image from the recording starting moment.
And the second acquisition stopping module is used for stopping acquisition when receiving the recording stopping instruction and taking the acquired second image as a recorded image in the second video.
In one embodiment, the second image acquisition module comprises:
and the current image acquisition unit is used for acquiring a current image from the recording starting moment and acquiring the current image and the current image acquisition duration corresponding to the current image.
And the image complementary recording unit is used for calculating the image missing duration according to the current image acquisition duration and the audio reference duration when the current image acquisition duration corresponding to the current image does not reach the audio reference duration, and acquiring the complementary recording image corresponding to the image missing duration.
And the second image acquisition unit is used for obtaining a second image according to the current image and the additional recording image.
In one embodiment, a video processing apparatus includes:
and the recording total duration acquisition module is used for acquiring the recording total duration of the second audio.
And the comparison module is used for comparing the audio reference time length with the total recording time length to obtain a comparison result.
And the extraction module is used for extracting the time length of the audio with the small time length in the comparison result as the standard time length.
And the first adjusting module is used for adjusting the length of the audio with the longer time length in the comparison result according to the standard time length.
In one embodiment, the video processing apparatus further includes:
and the standard audio acquisition module is used for acquiring the audio corresponding to the standard time length as the standard audio.
And the query module is used for querying the image corresponding to the standard audio as the standard image.
And the second adjusting module is used for adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
In one embodiment, the recording module 430 includes:
and the time range query unit is used for querying the time range corresponding to the audio starting time.
And the recording starting time acquiring unit is used for taking the time in the time range as the recording starting time.
For the specific definition of the video processing apparatus, the above definition of the method of the video processing apparatus can be referred to, and is not repeated herein. The respective modules in the video processing apparatus may be wholly or partially implemented by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 5. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a video processing method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the configuration shown in fig. 5 is a block diagram of only a portion of the configuration associated with the disclosed aspects and does not constitute a limitation on the computing device to which the disclosed aspects apply, as a particular computing device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, there is provided a computer device comprising a memory storing a computer program and a processor implementing the following steps when the processor executes the computer program: the method comprises the steps of obtaining a first video, extracting an audio in the first video to serve as a first audio, and extracting an audio starting time and an audio ending time of the first audio. And calculating the audio reference time length of the first audio according to the audio starting time and the audio ending time. And receiving a recording instruction for recording the second video, and taking the audio starting time as the recording starting time of the second video. And acquiring a second audio from the recording starting moment according to the recording instruction. And when receiving a recording stopping instruction input according to the audio reference time length, stopping collecting the second audio, and taking the collected second audio as the recorded audio in the second video.
In one embodiment, the processor when executing the computer program implements capturing the second audio from the recording start time, comprising: and starting to acquire the current audio from the recording starting moment, and acquiring the current audio acquisition duration corresponding to the current audio. And when the current audio acquisition duration does not reach the audio reference duration, calculating the audio missing duration according to the current audio acquisition duration and the audio reference duration, and acquiring the complementary recording audio corresponding to the audio missing duration. And obtaining a second audio according to the current audio and the complementary recording audio.
In one embodiment, the processor, when executing the computer program, receives a recording instruction for recording the second video, and takes the audio start time as a time after the recording start time of the second video according to the recording instruction: and acquiring a second image from the recording starting moment. And when receiving a recording stopping instruction, stopping collecting, and taking the collected second image as a recorded image in the second video.
In one embodiment, the processor, when executing the computer program, implements acquisition of the second image from the recording start time, comprising: and starting to acquire the current image from the recording starting moment, and acquiring the current image and the current image acquisition duration corresponding to the current image. And calculating the image missing duration according to the current image obtaining duration and the audio reference duration, and acquiring the complementary recording image corresponding to the image missing duration. And obtaining a second image according to the current image and the additional recording image.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and acquiring the total recording time of the second audio. And comparing the audio reference time length with the total recording time length to obtain a comparison result. And extracting the time length of the audio with the small time length in the comparison result as the standard time length. And adjusting the length of the audio with the large time length in the comparison result according to the standard time length.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and acquiring the audio corresponding to the standard time length as the standard audio. And querying the image corresponding to the standard audio as the standard image. And adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
In one embodiment, the processor, when executing the computer program, implements the audio start time as a recording start time of the second video, including: and inquiring a time range corresponding to the audio starting time. The time in the time range is taken as the recording start time.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of: the method comprises the steps of obtaining a first video, extracting an audio in the first video to serve as a first audio, and extracting an audio starting time and an audio ending time of the first audio. And calculating the audio reference time length of the first audio according to the audio starting time and the audio ending time. And receiving a recording instruction for recording the second video, and taking the audio starting time as the recording starting time of the second video. And acquiring a second audio from the recording starting moment according to the recording instruction. And when receiving a recording stopping instruction input according to the audio reference time length, stopping collecting the second audio, and taking the collected second audio as the recorded audio in the second video.
In one embodiment, the computer program when executed by the processor implements capturing second audio from a recording start time, comprising: and starting to acquire the current audio from the recording starting moment, and acquiring the current audio acquisition duration corresponding to the current audio. And when the current audio acquisition duration does not reach the audio reference duration, calculating the audio missing duration according to the current audio acquisition duration and the audio reference duration, and acquiring the complementary recording audio corresponding to the audio missing duration. And obtaining a second audio according to the current audio and the complementary recording audio.
In one embodiment, the computer program, when executed by the processor, implements receiving a recording instruction for recording a second video, and takes an audio start time as a time after the recording start time of the second video according to the recording instruction: and acquiring a second image from the recording starting moment. And when receiving a recording stopping instruction, stopping collecting, and taking the collected second image as a recorded image in the second video.
In one embodiment, the computer program when executed by the processor implements capturing a second image from a recording start time, comprising: and starting to acquire the current image from the recording starting moment, and acquiring the current image and the current image acquisition duration corresponding to the current image. And calculating the image missing duration according to the current image obtaining duration and the audio reference duration, and acquiring the complementary recording image corresponding to the image missing duration. And obtaining a second image according to the current image and the additional recording image.
In one embodiment, the computer program when executed by the processor further performs the steps of: and acquiring the total recording time of the second audio. And comparing the audio reference time length with the total recording time length to obtain a comparison result. And extracting the time length of the audio with the small time length in the comparison result as the standard time length. And adjusting the length of the audio with the large time length in the comparison result according to the standard time length.
In one embodiment, the computer program when executed by the processor further performs the steps of: and acquiring the audio corresponding to the standard time length as the standard audio. And querying the image corresponding to the standard audio as the standard image. And adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
In one embodiment, the computer program when executed by the processor implements the audio start time as a recording start time of the second video, comprising: and inquiring a time range corresponding to the audio starting time. The time in the time range is taken as the recording start time.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided by the present disclosure may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the appended claims.

Claims (8)

1. A method of video processing, the method comprising:
acquiring a first video, extracting an audio in the first video as a first audio, and extracting an audio starting time and an audio ending time of the first audio;
calculating the difference value between the audio starting time and the audio ending time, and taking the difference value as audio reference duration;
receiving a recording instruction for recording a second video, and taking the audio starting time as the recording starting time of the second video; wherein the content of the first and second substances,
the taking the audio starting time as the recording starting time of the second video comprises:
inquiring a time range corresponding to the audio starting time;
taking the time in the time range as the recording starting time; the recording starting time is later than the audio starting time;
acquiring a second audio and a second image from the recording starting moment according to the recording instruction;
displaying the audio reference time length on a display interface, stopping acquiring the second audio and the second image when receiving a recording stopping instruction input according to the audio reference time length, and taking the acquired second audio as a recording audio in the second video; and taking the acquired second image as a recorded image in the second video.
2. The method of claim 1, wherein the capturing second audio from the recording start time comprises:
acquiring a current audio from the recording starting moment, and acquiring a current audio acquisition duration corresponding to the current audio;
when the current audio acquisition duration does not reach the audio reference duration, calculating audio missing duration according to the current audio acquisition duration and the audio reference duration, and acquiring an additional recording audio corresponding to the audio missing duration;
and obtaining a second audio according to the current audio and the additional recording audio.
3. The method of claim 1, wherein said acquiring a second image from said recording start time comprises:
acquiring a current image from the recording starting moment, and acquiring the current image and a current image acquisition duration corresponding to the current image;
when the current image acquisition duration corresponding to the current image does not reach the audio reference duration, calculating image missing duration according to the current image acquisition duration and the audio reference duration, and acquiring an additional recording image corresponding to the image missing duration;
and obtaining a second image according to the current image and the additional recording image.
4. A method according to any one of claims 1 to 3, characterized in that the method comprises:
acquiring the total recording time length of the second audio;
comparing the audio reference time length with the total recording time length to obtain a comparison result;
extracting the time length of the audio with the small time length in the comparison result as standard time length;
and adjusting the length of the audio with the longer time length in the comparison result according to the standard time length.
5. The method of claim 4, further comprising:
acquiring audio corresponding to the standard duration as standard audio;
inquiring an image corresponding to the standard audio as a standard image;
and adjusting the length of the image corresponding to the audio with the longer time length in the comparison result according to the standard image.
6. A video processing apparatus, characterized in that the apparatus comprises:
the device comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a first video, extracting an audio in the first video as a first audio, and extracting an audio starting time and an audio ending time of the first audio;
the computing module is used for computing the difference value between the audio starting time and the audio ending time, and taking the difference value as the audio reference time length;
the recording module is used for receiving a recording instruction for recording a second video and taking the audio starting time as the recording starting time of the second video; the recording device is also used for acquiring a second audio and a second image from the recording starting moment according to the recording instruction; wherein the content of the first and second substances,
the recording module comprises:
the time range query unit is used for querying a time range corresponding to the audio starting time;
a recording start time acquisition unit for taking the time in the time range as the recording start time; the recording starting time is later than the audio starting time;
the first stopping module is used for displaying the audio reference time length on a display interface, stopping collecting the second audio and the second image when receiving a recording stopping instruction input according to the audio reference time length, and taking the collected second audio as a recorded audio in the second video; and taking the acquired second image as a recorded image in the second video.
7. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 5 when executing the computer program.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 5.
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