CN110602416B - Video processing method, terminal and computer readable storage medium - Google Patents
Video processing method, terminal and computer readable storage medium Download PDFInfo
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- CN110602416B CN110602416B CN201910844093.9A CN201910844093A CN110602416B CN 110602416 B CN110602416 B CN 110602416B CN 201910844093 A CN201910844093 A CN 201910844093A CN 110602416 B CN110602416 B CN 110602416B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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Abstract
The application discloses a video processing method. The video processing method comprises the steps of processing a material video to generate a video file; generating a backup video of a material video when a video file is processed, wherein the material video is stored in a first path, the backup video is stored in a second path, and the video file comprises the first path and the second path; and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video. The application also discloses a terminal and a computer readable storage medium. Due to the fact that the backup video is stored, even if the material video cannot be read in the process of processing the video file, the backup video can be read to replace the material video, the processing operation of the user on the video file cannot be interrupted or lost, and user experience is good.
Description
Technical Field
The present application relates to the field of video processing technologies, and in particular, to a video processing method, a terminal, and a computer-readable storage medium.
Background
In the related art, when video editing is performed, whether the video editing can be performed normally is strongly related to whether a video file exists, and when the video file is deleted by mistake in the video editing process, the video editing cannot be performed normally, so that the editing operation performed by a user is lost, and the user experience is poor.
Disclosure of Invention
The embodiment of the application provides a video processing method, a terminal and a computer readable storage medium.
The video processing method of the embodiment of the application comprises the steps of processing a material video to generate a video file; generating a backup video of the material video when the video file is processed, wherein the material video is stored in a first path, the backup video is stored in a second path, and the video file comprises the first path and the second path; and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video.
The terminal comprises a processor, a processing module and a display module, wherein the processor is used for processing a material video to generate a video file; generating a backup video of the material video when the video file is processed, wherein the material video is stored in a first path, the backup video is stored in a second path, and the video file comprises the first path and the second path; and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video.
The computer-readable storage medium of the embodiments of the present application contains computer-readable instructions, which, when executed by a processor, cause the processor to execute the video processing method of the embodiments of the present application.
In the video processing method, the terminal and the computer-readable storage medium of the embodiment of the application, due to the fact that the backup video is stored, even if the material video cannot be read in the process of processing the video file, the backup video can be read to replace the material video, the processing operation of a user on the video file cannot be interrupted or lost, and the user experience is good.
Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a video processing method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 3 and fig. 4 are schematic diagrams illustrating an implementation principle of a video processing method according to an embodiment of the present application;
fig. 5 is a schematic flow chart of a video processing method according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a video processing method according to an embodiment of the present application;
FIG. 7 is a schematic diagram illustrating an implementation principle of a video processing method according to an embodiment of the present application;
fig. 8 is a schematic flow chart of a video processing method according to an embodiment of the present application;
FIG. 9 is a schematic diagram illustrating an implementation principle of a video processing method according to an embodiment of the present application;
fig. 10 is a schematic flow chart of a video processing method according to an embodiment of the present application;
FIG. 11 is a schematic diagram of an interaction between a computer-readable storage medium and a processor according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the embodiments of the present application.
Referring to fig. 1, a video processing method according to an embodiment of the present disclosure includes steps 01, 02, and 03. Step 01 is to process the material video to generate a video file. Step 02 is that a backup video of the material video is generated when the video file is processed, the material video is stored in the first path, the backup video is stored in the second path, and the video file comprises the first path and the second path. Step 03 is to read the backup video through the second path to replace the material video when the video file is processed and the material video cannot be read through the first path.
Referring to fig. 2, the terminal 100 of the present embodiment includes a processor 10. The terminal 100 may be configured to implement the video processing method according to the embodiment of the present application, that is, the terminal 100 may be configured to implement the above steps 01, 02 and 03. Specifically, the processor 10 may be configured to process the material video to generate a video file, generate a backup video of the material video when processing the video file, the material video being stored in a first path, the backup video being stored in a second path, the video file including the first path and the second path; and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video.
In the video processing method and the terminal 100 of the embodiment of the application, due to the fact that the backup video is stored, even if the material video cannot be read in the process of processing the video file, the backup video can be read to replace the material video, the processing operation of the user on the video file cannot be interrupted or lost, and the user experience is good.
Specifically, the terminal 100 may be any terminal such as a mobile phone, a computer, a camera, a tablet computer, a notebook computer, a head display device, a game machine, a smart watch, and a smart television, and the description of the application takes the terminal 100 as a mobile phone as an example, and it is understood that the specific form of the terminal 100 is not limited to a mobile phone. The Processor 10 may be an Application Processor (AP) of the terminal 100 or any dedicated microprocessor within the terminal 100.
The processor 10 performs step 01, i.e. the processor 10 processes the material video to generate a video file. Specifically, the material video may be any video file stored in the storage 20 of the terminal 100, and the storage 20 may be a cache and/or an internal memory of the terminal 100, for example, the material video is a video stored in a media library or an album, the material video may be a video shot by the user using the terminal 100, may also be a video downloaded by the user from a server, and may also be a video received through bluetooth, wifi, or the like, or a video stored in the cloud.
The video file may be a file including information on one or more cut-outs of the material video, one or more thumbnails of the material video, shooting time, shooting location, and the like, and the user may preview the material video through the information in the video file. If the video file is operated, the corresponding processing mode of the operation can be added to the material video.
Referring to fig. 3, in the example shown in fig. 3, the video file 21 in fig. 3a includes a silhouette V11 of the material video, and the user can preview the material video through the silhouette V11, as shown in fig. 3b, the user can process the video file, for example, add background music, clip, add subtitles, and the like to the material video corresponding to the silhouette V11 of the video file.
The processor 10 performs step 02 of generating a backup video of the material video when processing the video file, the material video being stored in the first path and the backup video being stored in the second path, the video file including the first path and the second path.
The execution of step 02 by the processor 10 may be triggered by a predetermined operation by the user. The predetermined operation may be that the user inputs an instruction for confirming that the video file is to be opened, and specifically, the user selects the video file and clicks the edit, or the user clicks the edit first and then confirms the selected video file, or the user opens the video editing APP and imports the video file. When the user does not perform the predetermined operation, the processor 10 may not perform step 02, so as to save the processing resources of the processor 10 and the memory space of the memory 20.
The position where the material video is stored is defined as a first path, and the backup video generated according to the material video is stored in a second path, where the second path may be any storage space opened in the memory 20, and the second path may be, for example, sdcard/data/com. Meanwhile, the video file can also store the index relationship between the material video and the backup video, namely, the position of the backup video can be found according to the request of the material video and the position of the material video can also be found according to the request of the backup video through the index relationship.
In one example, the processor 10 generates and stores one backup video for one material video, and the one material video and the backup video may be indexed with each other. In another example, the processor 10 may generate and store a plurality of backup videos for one material video, and the one material video and the plurality of backup videos may be indexed with each other two by two.
Referring to fig. 3, in the example shown in fig. 3, fig. 3b is an interface where a video file is opened, and when the video file is opened, a silhouette V11 of the material video is displayed on the interface, and at the same time, as shown in fig. 3c, the processor 10 generates a backup video V12 of the material video and stores it in the second path 22.
The processor 10 performs step 03, that is, when the video file is processed and the material video cannot be read through the first path, the backup video is read through the second path to replace the material video. When processing a video file, it means that a user has started processing the video file and has not finished processing the video file at the same time, for example, the user starts processing the video file and edits a silhouette, and has not finished editing at the same time. Failure to read the material video through the first path may be the material video being removed from the original first path, for example, the material video being deleted completely from the storage 20 or the cloud, or the material video being moved to another path in the storage 20 or the cloud.
In the related art, when a video file is processed, for example, in the process of editing a silhouette, a user may switch to processing other items in a terminal, and when the other items are processed, the material video may be deleted, or the terminal may generate a system failure, so that the material video is deleted, or video materials in the cloud are deleted by other users. When the user switches to the item for editing the silhouette again, at this time, since the material video is already deleted, the item for editing cannot be normally performed, a forced quit of the editing interface may occur, or effects such as adding a filter and music can be previewed, but the edited video cannot be finally generated, so that the editing fails, the user spends thinking of performing the editing operation and loses the editing operation, and the user experience is poor.
By implementing the step 03, after the backup video is read to replace the material video, the backup video can transfer all the operation requirements on the material video to the backup video in the process of processing the video file.
Referring to fig. 4, in the example shown in fig. 4, fig. 4a shows that the material video V13 is deleted and the processor 10 cannot read the material video V13 through the first path when processing the video file, at this time, as shown in fig. 4b, the processor 10 reads the backup video V12 through the second path 22 to replace the material video V13, and if the user inputs a request for the material video V13 during processing the video file, the processor 10 replaces the material video V13 with the backup video V12 in response to the request.
Of course, if the material video can be read through the first path while processing the video file, it may not be necessary to read the backup video in place of the material video.
In summary, in the video processing method and the terminal 100 of the embodiment of the application, since the backup video is stored, even if the material video cannot be read in the process of processing the video file, the backup video can be read to replace the material video, the processing operation of the user on the video file cannot be interrupted or lost, and the user experience is better.
Referring to fig. 5, in some embodiments, the video file includes a silhouette of the material video, the silhouette is associated with the first path and the second path, and the video processing method further includes step 04, in which step 04, after the material video cannot be read through the first path, the silhouette is disassociated from the first path. The video editing interface still displays the silhouette when the video file is opened through the video editing interface.
Referring to fig. 2, in some embodiments, the processor 10 may further be configured to implement step 04, that is, the processor 10 is configured to disassociate the silhouette from the first path after the material video cannot be read through the first path. The video editing interface still displays the silhouette when the video file is opened through the video editing interface.
Specifically, the silhouette may be a frame or a plurality of frames of images of the material video, when the user opens the video file through the video editing interface, the user may operate the silhouette, the processor 10 records information of the operations into the video file, and the subsequent processor 10 may find the material video according to the association relationship between the silhouette and the first path, and perform corresponding processing on the material video according to the operation information. However, if the material video cannot be read through the first path, the silhouette is disassociated from the first path, and the processor 10 finds the backup video according to the association relationship between the silhouette and the second path instead of finding the material video according to the association relationship between the silhouette and the first path, and performs corresponding processing on the backup video according to the operation information.
Since the silhouette is included in the video file, the material video cannot be read through the first path, and the silhouette in the video file is not affected. When the video file is opened through the video editing interface, the silhouette is still displayed in the video editing interface, a user cannot perceive that the material video is deleted, the editing operation can be continued, the editing operation which is already performed can be transferred to the backup video, and the editing operation of the user on the silhouette cannot be lost.
Referring to fig. 4, in the example shown in fig. 4, fig. 4c shows a video editing interface in which a silhouette V11 is displayed, and even if the material video V13 is deleted (as shown in fig. 4 a) in a state where the video editing interface has not been closed, the video editing interface still displays a silhouette V11, and the user can still edit the silhouette V11 by operating on the video editing interface.
Referring to fig. 6, in some embodiments, the video processing method further includes a step 05, where the step 05 deletes the backup video in response to the user input to disassociate the silhouette from the first path when the user input deletes the silhouette.
Referring to fig. 2, in some embodiments, the processor 10 may be configured to perform step 05, that is, the processor 10 may be configured to disassociate the silhouette from the first path and delete the backup video in response to a user input to delete the silhouette.
When the user inputs an instruction and deletes the silhouette, it indicates that the user does not want to process the material video corresponding to the silhouette, and then the association between the silhouette and the first path is removed, and the backup video is deleted, so that the backup video is prevented from occupying the storage space of the terminal 100.
In one example, the number of the material videos may be multiple, the user may edit multiple silhouettes corresponding to the multiple material videos at the same time, and the editing operation on the multiple silhouettes may be to stitch the multiple silhouettes. The plurality of material videos may be stored in the same first path or may be stored in different first paths. The number of the backup videos is also multiple corresponding to multiple material videos, each backup video is obtained by the processor 10 according to the corresponding material video, and the multiple backup videos can be stored in the same second path.
When editing a plurality of silhouettes, a user may decide during the editing process that one or more of the silhouettes do not need to be edited, and move the one or more of the silhouettes out of the editing process, that is, delete the one or more of the silhouettes, at which time the user is editing other silhouettes. When the user confirms that one or more of the silhouettes needs to be moved out of the edit, the processor 10 may disassociate the one or more of the silhouettes from the first path and delete the corresponding one or more backup videos to prevent the one or more backup videos from occupying storage space of the memory 20. Of course, if the user adds a silhouette of a new material video to the ongoing video editing, the processor 10 will store a backup video of the new material video corresponding to the new silhouette. Therefore, the backup videos are always in one-to-one correspondence with the silhouettes being edited, and the storage space is not wasted due to the fact that redundant backup videos are stored additionally.
Referring to fig. 7, in the example shown in fig. 7, fig. 7a is an interface for editing the silhouettes of three material videos, after the user moves out one of the silhouettes, the number of the silhouettes being edited is two as shown in fig. 7b, at this time, as shown in fig. 7c, one of the backup videos V12 in the second path 22 is to be deleted, and the backup video V12 is obtained by copying the material video corresponding to the moved-out silhouette.
Referring to fig. 8, in some embodiments, the video processing method further includes a step 06, where the step 06 is to delete the backup video when the video file is closed.
Referring to fig. 2, in some embodiments, the processor 10 may be configured to perform step 06, that is, the processor 10 may be configured to delete the backup video when the video file is closed.
Wherein closing the video file includes completing processing the video file or terminating processing the video file.
Specifically, for example, the video file is opened through the video processing interface, and the video file processing is completed means that when the user confirms that the editing is completed, the processor 10 automatically processes the video file (the material video or the backup video) according to the editing operation, and automatically stores the processed video file in a file directory; the termination of processing the video file refers to that the user gives up video editing, and the instruction for giving up video editing may be that the user clicks a return key in a video editing interface to indicate that the user gives up the editing. Since the backup video is to ensure normal operation of video editing, after the video editing is completed, when there is no need for video editing temporarily, the processor 10 may automatically invoke a process of cleaning the backup video to delete the backup video, so as to avoid the backup video from increasing the cache of the video editing APP, and avoid the backup video from occupying the storage space of the terminal 100.
Referring to fig. 9, when the user clicks to be finished in the editing interface shown in fig. 9a, the processor 10 deletes the backup video V12 in the second path 22 as shown in fig. 9 b.
Further, in the process of processing the video file, if the material video is deleted from the first path, it is determined that the user may delete the material video by mistake, and therefore, before deleting the backup video, the processor 10 may issue an instruction to control the terminal 100 to issue a prompt message to prompt the user whether the material video needs to be restored, for example, a prompt window is displayed through a display screen of the terminal 100, and when the user selects that restoration is needed, the backup storing the backup video is stored in the first path. Therefore, the method is equivalent to restoring the material video to the original first path so as to recover the loss caused by deleting the material video by mistake.
Referring to fig. 10, in some embodiments, when the material video cannot be read through the first path, the video processing method further includes steps 07 and 08. Step 07 is to generate a secondary backup video of the backup video and write a third path storing the secondary backup video into the video file. Step 08 is that when the video file is processed and the backup video cannot be read through the second path, the secondary backup video is read through the third path to replace the backup video.
Referring to fig. 2, in some embodiments, processor 10 may be configured to perform steps 07 and 08. That is, the processor 10 may be configured to generate a secondary backup video of the backup video, write a third path storing the secondary backup video into the video file, and read the secondary backup video through the third path to replace the backup video when the video file is processed and the backup video cannot be read through the second path.
As described above, when a video file is opened, such as during editing of a silhouette of a material video, a backup video replaces the material video after the material video is deleted, however, if the backup video is also deleted during subsequent editing, the editing cannot be performed normally. Therefore, after the material video is deleted, the processor 10 generates a backup of the backup video, i.e., a secondary backup video, and even if the backup video is deleted, the secondary backup video can be used to replace the backup video to receive the processing finally corresponding to the editing operation, and the video editing can still be performed normally. After the video file is subsequently closed, the secondary backup video can be deleted to save the storage space.
Further, if the backup video needs to be replaced by the secondary backup video, the backup video of the secondary backup video, namely the tertiary backup video, can be generated at the same time, when the secondary backup video is deleted when processing the video file, the tertiary backup video can be used for replacing the secondary backup video to receive the final processing corresponding to the editing operation, and after the video file is subsequently closed, the tertiary backup video can be deleted to save the storage space.
Referring to FIG. 12, the present application also provides a non-transitory computer readable storage medium 200 containing computer readable instructions. The computer readable instructions, when executed by the processor 300, cause the processor 300 to perform the video processing method of any of the above embodiments.
Referring to fig. 1 and 11, illustratively, the computer readable instructions, when executed by the processor 300, cause the processor 300 to perform the step 01: processing the material video to generate a video file; step 02: generating a backup video of a material video when processing a video file; and step 03: when the video file is processed and the material video cannot be read through the first path, the backup video is read through the second path to replace the material video.
Referring to fig. 5 and 11, for example, when executed by the processor 300, the computer readable instructions cause the processor 300 to perform the step 04: and after the material video cannot be read through the first path, the relation between the silhouette and the first path is released.
Referring to fig. 6 and 11, illustratively, the computer readable instructions, when executed by the processor 300, cause the processor 300 to perform the step 05: and when the user inputs the deletion of the silhouette, the association between the silhouette and the first path is released, and the backup video is deleted.
Referring to fig. 8 and 11, illustratively, the computer readable instructions, when executed by the processor 300, cause the processor 300 to perform step 06: when the video file is closed, the backup video is deleted.
Referring to fig. 10 and 11, illustratively, the computer readable instructions, when executed by the processor 300, cause the processor 300 to perform step 07: generating a second-level backup video of the backup video and writing a third path for storing the second-level backup video into a video file; and step 08: and when the video file is processed and the backup video cannot be read through the second path, reading the secondary backup video through the third path to replace the backup video.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
Although embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (13)
1. A video processing method, comprising:
processing a material video to generate a video file, and previewing the material video through information in the video file;
generating a backup video of the material video when the video file is processed, wherein the material video is stored in a first path, the backup video is stored in a second path, and the video file comprises the first path and the second path; and
and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video.
2. The video processing method according to claim 1, wherein the video file includes a silhouette of the material video, the silhouette being associated with the first path and the second path, the video processing method further comprising:
after the material video cannot be read through the first path, removing the association between the silhouette and the first path; the video editing interface still displays the silhouette when the video file is opened through the video editing interface.
3. The video processing method according to claim 2, wherein the video processing method further comprises:
and when the user inputs to delete the silhouette, the association between the silhouette and the first path is released, and the backup video is deleted.
4. The video processing method of claim 1, wherein the video processing method further comprises:
and deleting the backup video when the video file is closed.
5. The video processing method of claim 4, wherein said closing the video file comprises: completing processing the video file; or terminate processing the video file.
6. The video processing method according to claim 1, wherein when the material video cannot be read through the first path, the video processing method further comprises:
generating a secondary backup video of the backup video and writing a third path for storing the secondary backup video into the video file; and
and when the video file is processed and the backup video cannot be read through the second path, reading the secondary backup video through the third path to replace the backup video.
7. A terminal, comprising a processor configured to:
processing a material video to generate a video file, and previewing the material video through information in the video file;
generating a backup video of the material video when the video file is processed, wherein the material video is stored in a first path, the backup video is stored in a second path, and the video file comprises the first path and the second path; and
and when the video file is processed and the material video cannot be read through the first path, reading the backup video through the second path to replace the material video.
8. The terminal of claim 7, wherein the video file comprises a silhouette of the material video, the silhouette being associated with the first path and the second path, the processor being further configured to:
after the material video cannot be read through the first path, removing the association between the silhouette and the first path; the video editing interface still displays the silhouette when the video file is opened through the video editing interface.
9. The terminal of claim 8, wherein the processor is further configured to:
and when the user inputs to delete the silhouette, the association between the silhouette and the first path is released, and the backup video is deleted.
10. The terminal of claim 7, wherein the processor is further configured to:
and deleting the backup video when the video file is closed.
11. The terminal of claim 10, wherein the closing the video file comprises: completing processing the video file; or terminate processing the video file.
12. The terminal of claim 7, wherein when the material video cannot be read through the first path, the processor is further configured to:
generating a secondary backup video of the backup video and writing a third path for storing the secondary backup video into the video file; and
and when the video file is processed and the backup video cannot be read through the second path, reading the secondary backup video through the third path to replace the backup video.
13. A non-transitory computer readable storage medium containing computer readable instructions that, when executed by a processor, cause the processor to perform the video processing method of any of claims 1-6.
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