CN112911364A - Audio and video playing method, computer device and computer readable storage medium - Google Patents
Audio and video playing method, computer device and computer readable storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000004590 computer program Methods 0.000 claims description 19
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- 238000007781 pre-processing Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
Abstract
The invention provides an audio and video playing method, a computer device and a computer readable storage medium, wherein the method comprises the steps of obtaining a target file; judging the type of the target file, and if the target file is an audio and video file, decapsulating the audio and video file into a second audio file and a second video file; the method comprises the steps of obtaining a first control instruction and controlling the playing operation of a first audio file or a second audio file, obtaining a second control instruction and controlling the playing operation of a first video file or a second video file, or obtaining a third control instruction and controlling the playing operation of the first audio file and the first video file at the same time, or obtaining a third control instruction and controlling the playing operation of the second audio file and the second video file at the same time. The invention also provides a computer device and a computer readable storage medium for realizing the method. The present invention can individually control at least one of the loaded audio and video files or simultaneously control the loaded audio and video files.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to an audio and video playing method, a computer device for realizing the method and a computer readable storage medium.
Background
The audio and video file is formed by combining and packaging an audio file and a video file, and when the audio and video file is played: firstly, decapsulating the audio file and the video file by a player to reform the audio file and the video file; decoding the audio file through an audio decoder in the player, and decoding the video file through a video decoder in the player; and finally, simultaneously playing the decoded audio file and the decoded video file by the player. However, the existing player has the following disadvantages: only one target file can be played at a time, and when the played target file is an audio/video file, the audio file and the video file which are unpacked from the audio/video file can be played, paused or switched at the same time, so that the experience of a user is poor.
For example, when the player is applied to a KTV location, a user cannot select an audio file and a video file of a mood meter to play synchronously or asynchronously according to the preference of the user, and cannot pause, switch, skip-play and the like the audio file or the video file in the mood meter. For another example, when the player is a network player, when the user switches the resolution of a video file, the audio file corresponding to the video file is passively switched synchronously, such as: assuming that the resolution of the high-resolution video file is 4K, the audio file corresponding to the high-resolution video file is in a lossless format; the resolution of the low-resolution video file is 720P, and the audio file corresponding to the low-resolution video file is in a lossy format; when a network signal of a network player used by a user is not good, the user usually switches the resolution of a video file, that is, a high-resolution video file is switched to a low-resolution video file, and at this time, an audio file corresponding to the video file is also passively switched from a lossless format to a lossy format, and because the storage capacity occupied by the video file is usually much larger than the storage capacity occupied by the audio file, the current network of the network player can support the user to use the low-resolution video file and the lossless format audio file, but due to the deficiency of the existing player, the user cannot realize the above operation, so that after the video file is switched from the high resolution to the low resolution, the user still passively receives the condition that the tone quality of the audio file is damaged.
Although, the invention patent with publication number CN106375821B discloses an audio and video playing method, which includes: obtaining two paths of multimedia streams, wherein one path of multimedia stream comprises a target video sub-stream and the other path of multimedia stream comprises a target audio sub-stream, respectively separating the video sub-stream and/or the audio sub-stream contained in each path of multimedia stream, respectively decoding and rendering the target video sub-stream and the target audio sub-stream, and then synchronously playing the rendered target video sub-stream and the rendered target audio sub-stream so as to achieve the purpose of mixedly playing the two paths of multimedia streams; in addition, the patent document also discloses that the target video substream and the target audio substream can be grouped according to the timestamps of the two multimedia streams; if the target video substream and the target audio substream are not packaged, the push mechanism and the picture synchronization mechanism of the video substream and the audio substream need to be adjusted, so that the synchronous playing requirement is met; furthermore, the two sub-streams are played separately, so that the video sub-stream or the audio sub-stream can be independently turned off or switched, and if in the audio mode, the downloading of the video sub-stream can be timely turned off, thereby avoiding using excessive flow. However, the video sub-stream or the audio sub-stream in the patent document still cannot be paused and skipped separately, so that the rendered target video sub-stream and the rendered target audio sub-stream need to be played synchronously.
Disclosure of Invention
In order to solve the above problems, it is a primary object of the present invention to provide an audio and video playing method capable of individually controlling at least one of a loaded audio file and a loaded video file or simultaneously controlling the loaded audio file and the loaded video file.
Another object of the present invention is to provide a computer device capable of implementing the above audio/video playing method.
Another object of the present invention is to provide a computer readable storage medium capable of implementing the above-mentioned audio/video playing method.
In order to achieve the main object of the present invention, the present invention provides an audio and video playing method, including obtaining a target file, where the target file includes an audio and video file, or the target file includes a first audio file and a first video file; judging the type of the target file, and if the target file is an audio and video file, decapsulating the audio and video file into a second audio file and a second video file; acquiring a first control instruction, a second control instruction or a third control instruction; controlling the playing operation of the first audio file or the second audio file according to the acquired first control instruction; controlling the playing operation of the first video file or the second video file according to the acquired second control instruction; and simultaneously controlling the playing operation of the first audio file and the first video file according to the acquired third control instruction, or simultaneously controlling the playing operation of the second audio file and the second video file according to the acquired third control instruction.
As can be seen from the above, firstly, pre-processing, such as decapsulation, decoding, and the like, is performed on the target file before playing according to the type of the obtained target file; and then the playing operation of the audio file or the video file is controlled independently according to the corresponding control instruction, or the playing operation of the audio file and the video file is controlled simultaneously according to the corresponding control instruction, so that the purpose of synchronously or asynchronously controlling the playing operation of one audio file and one video file is achieved.
Preferably, the controlling the playing operation of the first audio file or the second audio file according to the first control instruction includes: controlling the first audio file to play, pause, skip, fast forward or fast backward, or switching the first audio file; or controlling the second audio file to play, pause, skip, fast forward or fast backward, or switching the second audio file.
Therefore, the currently loaded audio file can be independently controlled to play, pause, skip play, fast forward or fast backward or switched to another audio file according to the first control instruction, so that the playing of the currently loaded video file is prevented from being interfered when the currently loaded audio file is controlled, and the independent control of the playing flow of the currently loaded audio file is realized.
Another preferred scheme is that the controlling the playing operation of the first video file or the second video file according to the second control instruction includes: controlling the first video file to play, pause, skip, fast forward or fast backward, or switching the first video file; or controlling the second video file to play, pause, skip, fast forward or fast backward, or switching the second video file.
As can be seen from the above, the currently loaded video file can be independently controlled to play, pause, skip, fast forward or fast backward or be switched to another audio file according to the second control instruction, so that the playing of the currently loaded audio file is prevented from being interfered when the currently loaded video file is controlled, and thus, the playing flow of the currently loaded video file is independently controlled.
Another preferable scheme is that the controlling the playing operation of the first audio file and the first video file simultaneously according to the obtained third control instruction comprises: simultaneously controlling the first audio file and the first video file to play, pause, skip play, fast forward or fast backward, or switching the first audio file and the first video file; the step of simultaneously controlling the playing operation of the second audio file and the second video file according to the obtained third control instruction comprises the following steps: and simultaneously controlling the second audio file and the second video file to play, pause, skip play, fast forward or fast backward, or switching the audio and video files.
As can be seen from the above, according to the third control instruction, the currently loaded audio file and video file can be controlled to be played simultaneously, paused simultaneously, jumped simultaneously, fast-forwarded simultaneously or fast-backed simultaneously, or the audio file is switched to another audio file and the video file is switched to another video file, so that the currently loaded audio file and video file can be controlled simultaneously.
Further, the switching the first audio file comprises: switching the first audio file into a third audio file; switching the second audio file includes: the second audio file is switched to a fourth audio file.
Therefore, when the audio files are independently switched, the currently loaded audio files can be switched to the appointed audio files, and meanwhile, the currently loaded video files cannot be interfered in the audio file switching process.
Further, the switching the first video file includes: switching the first video file into a third video file; switching the second video file includes: the second video file is switched to a fourth video file.
Therefore, when the video files are independently switched, the currently loaded video files can be switched to the appointed video files, and meanwhile, the currently loaded audio files cannot be interfered in the video file switching process.
According to a further scheme, when the type of the target file is an audio/video file, the audio/video file is directly played or paused at a first preset position after the audio/video file is loaded.
Therefore, after the audio and video files are loaded, the corresponding playing mode can be executed according to the requirements of the user. If the audio file and the video file are loaded, the audio file and the video file are directly played simultaneously; or after the loading is finished, pausing the audio file and the video file at the first preset position to wait for further operation of the user, such as adjusting the playing position and the playing speed of the audio file, or adjusting the playing position and the playing speed of the video file.
Further, when the type of the target file is the first audio file and the first video file: if the first loaded file is the first audio file, directly playing the first audio file or pausing the first audio file at a second preset position after the first audio file is loaded, then loading the first video file, and directly playing the first video file or pausing the first video file at a third preset position after the first video file is loaded; if the first loaded file is the first video file, after the first video file is loaded, the first video file is directly played or paused at a third preset position, then the first audio file is loaded, and after the first audio file is loaded, the first audio file is directly played or paused at a second preset position.
As can be seen from the above, when the target file is the first audio file and the first video file, the first object (e.g., the audio file) is directly played after being loaded; or pause it at a preset position (e.g. a second preset position) to wait for a subsequent instruction input by the user to perform a corresponding step, such as adjusting its playing position, playing speed or waiting for loading a second object (e.g. a video file), and likewise, play the second object directly after the loading is completed or wait for a subsequent instruction input by the user to perform a corresponding step.
In order to achieve another object of the present invention, the present invention provides a computer device, which includes a processor and a memory, wherein the memory stores a computer program, and the computer program implements the steps of the audio/video playing method when being executed by the processor.
In order to achieve still another object of the present invention, the present invention provides a computer-readable storage medium having a computer program stored thereon, the computer program, when executed by a controller, implementing the steps of the above-mentioned audio/video playing method.
Drawings
Fig. 1 is a flowchart of a first embodiment of an audio/video playing method according to the present invention.
Fig. 2 is a flowchart of the steps of determining the type of the target file and performing the corresponding process in fig. 1.
Fig. 3 is a schematic view of a playing interface of the first embodiment of the audio/video playing method of the present invention.
Fig. 4 is a reference schematic diagram of a first use state of a play interface of the first embodiment of the audio/video playing method according to the present invention.
Fig. 5 is a reference schematic diagram of a second use state of the playing interface of the first embodiment of the audio/video playing method according to the present invention.
Fig. 6 is a reference schematic diagram of a third use state of the play interface of the first embodiment of the audio/video playing method according to the present invention.
Fig. 7 is a reference schematic diagram of a first use state of a play interface of a second embodiment of the audio/video playing method according to the present invention.
Fig. 8 is a reference schematic diagram of a second use state of a playing interface of the second embodiment of the audio/video playing method according to the present invention.
Fig. 9 is a reference schematic diagram of a third use state of a playing interface of the second embodiment of the audio/video playing method according to the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The audio and video playing method is applied to intelligent electronic equipment, such as mobile phones, tablet computers, computers (including notebook computers and desktop computers), song ordering machines and the like, and is used for playing and controlling audio and video files, audio files and video files. Preferably, the intelligent electronic device has an audio/video playing function, for example, the intelligent electronic device is provided with a display, a speaker, an audio decoding chip and a video decoding chip. The computer device of the present invention may be the in-vehicle device product, and the computer readable storage medium may be various storage media with data storage function, including but not limited to non-volatile memories such as FLASH, EEPROM, and the like.
The first embodiment of the audio and video playing method:
the embodiment is applied to an intelligent electronic device with a video playing function, the intelligent electronic device is provided with an audio and video decoding system, the audio and video decoding system is provided with a DDR memory, an audio decoding chip, a video decoding chip and the like, compressed video data are stored in the DDR memory, and the audio decoding chip and/or the video decoding chip read corresponding data to be decoded from the DDR memory and decode the data to be decoded.
The operation of the present embodiment will be described with reference to fig. 1. First, step S1 is executed to acquire a target file. The target file comprises an audio and video file, or the target file comprises a first audio file and a first video file. Of course, when the audio/video playing method of this embodiment is only used for playing an audio file or a video file, the target file may also be an audio file or a video file. The embodiment mainly exemplifies a case where the target file is an audio/video file, or the target file is a first audio file and a first video file.
Next, step S2 is executed to determine the type of the target file and execute the corresponding processing. Because the types of the target file are multiple, after the target file is obtained, the type of the target file needs to be judged first, and corresponding preprocessing is performed before playing according to the type of the target file. For example, when the target file is an audio/video file, the audio/video file needs to be decapsulated in the process of loading the audio/video file, so that the audio/video file is decapsulated into a second audio file and a second video file.
Specifically, with reference to fig. 2, after the target file is acquired, firstly, step S21 is executed to determine whether the loaded file is an audio/video file. And if the loaded file is an audio/video file, executing the step S211, and decapsulating the audio/video file into a second audio file and a second video file.
As shown in fig. 5, after the audio/video file is loaded (at this time, the audio/video file is decapsulated into a second audio file and a second video file), a first control column 1, a second control column 2, and a third control column 3 are displayed on a display interface 10 of the intelligent electronic device, where the first control column 1 is used to control the second audio file, the second control column 2 is used to control the second video file, and the third control column 3 is used to control the audio/video file, that is, the third control column 3 is used to control the second audio file and the second video file at the same time. Of course, when the first control field 1, the second control field 2, and the third control field 3 are generated, the first control field 1, the second control field 2, and the third control field 3 may be hidden and not displayed on the display interface 10.
The first control bar 1 preferably includes a first play/pause key 11, a first switch key 12, a first fast forward key 13, a first fast reverse key 14, a first progress bar 15, and a first name card 16. The first play/pause key 11 is used to control the playing and pausing of the second audio file. The first switching key 12 is used for switching the second audio file into a fourth audio file; when the second audio file is switched to the fourth audio file, the fourth audio file is preferably an independent file, that is, the fourth audio file is not an audio file decapsulated from other audio/video files. The first fast forward key 13 is used for controlling the second audio file to fast forward; for example, when the first fast forward key 13 is pressed for a long time, the second audio file is played (i.e. being played) at a preset speed (e.g. 2 speed, 3 speed, 5 speed, etc.) in the forward direction, so as to realize the forward speed playing of the second audio file; for another example, when the first fast forward key 13 is clicked once, the second audio file directly jumps forward for a preset duration (for example, after the second audio file jumps to the current playing node 10 seconds after the first fast forward key 13 is clicked once), so as to implement forward jumping playing of the second audio file. The first fast backing key 14 is used for controlling the second audio file to fast back; for example, when the first fast reverse key 14 is pressed for a long time, the second audio file is played back (i.e. played back) at a preset speed (e.g. 2 speed, 3 speed, 5 speed, etc.) so as to realize the play of the second audio file at the speed of 2 speed; for another example, when the first fast rewind button 14 is clicked once, the second audio file directly jumps backward for a preset duration (for example, when the first fast rewind button 14 is clicked once, the second audio file jumps to a point 10 seconds before the current playing node), so as to implement backward jumping play of the second audio file. The first progress bar 15 is used for switching the current playing node of the second audio file, and the skip playing function can be realized as well. The first name card 16 is used for displaying the control object of the first control column 1, such as the name of the first name card 16: an audio file.
The second control field 2 preferably comprises a second play/pause key 21, a second switch key 22, a second fast forward key 23, a second fast rewind key 24, a second progress bar 25 and a second name card 26. The second play/pause key 21 is used to control the playing and pausing of the second video file. The second switching key 22 is used for switching the second video file into a fourth video file; and in the process of switching the second video file into the fourth video file, the fourth video file is preferably an independent file, namely the fourth video file is not a video file unpacked from other audio and video files. The second fast forward key 23 is used for controlling the second video file to fast forward; for example, when the second fast forward key 23 is pressed for a long time, the second video file is played (i.e. being played) at a preset double speed (e.g. 2 times speed, 3 times speed, 5 times speed, etc.) in a forward direction, so as to realize forward double speed playing of the second video file; for another example, when the second fast forward key 23 is clicked once, the second video file directly jumps forward for a preset duration (for example, after the second video file is skipped to the currently playing node for 10 seconds when the second fast forward key 23 is clicked once), so as to realize forward skip-playing of the second video file. The second fast backward key 24 is used for controlling the second video file to fast backward; for example, when the second fast backward key 24 is pressed for a long time, the second video file is played backward (i.e. inversely played) at a preset speed (e.g. 2 speed, 3 speed, 5 speed, etc.) so as to realize backward speed playing of the second video file; for another example, when the second fast rewind button 24 is clicked once, the second video file directly jumps backward for a preset duration (for example, when the second fast rewind button 24 is clicked once, the second video file jumps to the current playing node by 10 seconds), so as to implement backward jumping playing of the second video file. The second progress bar 25 is used to switch the currently playing node of the second video file, and can also implement a skip-play function. The second name card 26 is used to display the control object of the second control bar 2, and if the name of the second name card 26 is: a video file.
The third control field 3 preferably comprises a third play/pause key 31, a third switch key 32, a third fast forward key 33, a third fast rewind key 34, a third advance bar 35 and a third name card 36. The third play/pause key 31 is used to control the playing and pausing of the second audio and video files simultaneously, that is: when the third play/pause key 31 is clicked, the second audio file and the second video file are simultaneously stopped; or the second audio file and the second video file are simultaneously played when the third play/pause key 31 is clicked.
The third switching key 32 is used to switch the second audio file to a fourth audio file and the second video file to a fourth video file, that is: when the third switching key 32 is clicked, displaying a second audio file switching dialog box on the display interface 10 and displaying a second video file switching dialog box on the display interface 10; wherein: the second audio file switching dialog box and the second video file switching dialog box can be displayed simultaneously, can be displayed sequentially according to a preset sequence, and can be displayed in a same dialog box in a column; in addition, in the process of switching the second audio file into the fourth audio file, the fourth audio file is preferably an independent file, that is, the fourth audio file is not an audio file decapsulated from other audio and video files, and in the process of switching the second video file into the fourth video file, the fourth video file is preferably an independent file, that is, the fourth video file is not a video file decapsulated from other audio and video files. Of course, the third switching key 32 may also be used to directly switch the audio/video file to another audio/video file.
The third fast forward key 33 is used for controlling the second audio file and the second video file to fast forward at the same time; for example, when the third fast forward key 33 is pressed for a long time, the second audio file and the second video file are simultaneously played forward (i.e. played) at a preset double speed (e.g. 2 times speed, 3 times speed, 5 times speed, etc.) to realize synchronous forward double-speed playing of the second audio file and the second video file; for another example, when the third fast forward key 33 is clicked once, the second audio file and the second video file directly skip forward for a preset time (for example, when the third fast forward key 33 is clicked once, the third audio file and the second video file skip forward for 10 seconds after being played to the current playing node at the same time), so as to implement synchronous forward skip playing of the second audio file and the second video file.
The third fast rewinding key 34 is used for controlling the second audio file and the second video file to fast rewind at the same time; for example, when the third fast reverse key 34 is pressed for a long time, the second audio file and the second video file are played back (i.e. played back) at the same time according to a preset speed (e.g. 2 times speed, 3 times speed, 5 times speed, etc.) so as to realize the synchronous back-speed playback of the second audio file and the second video file; for another example, when the third fast backward key 34 is clicked once, the second audio file and the second video file are simultaneously and directly jumped backwards for a preset duration (for example, when the third fast backward key 34 is clicked once, the second audio file and the second video file are simultaneously jumped to 10 seconds before the current playing node), so as to implement synchronous backward jumped playing of the second audio file and the second video file.
The third progress bar 35 is used for simultaneously switching the current playing nodes of the second audio file and the second video file, and can also realize the skip playing function. The third name card 36 is used to display the control object of the third control column 3, and if the name of the third name card 36 is: and audio and video files.
And when the audio and video file is unpacked into a second audio file and the loading is completed, executing the step S212, and directly playing the audio and video file or pausing the audio and video file at a first preset position after the audio and video file is loaded. That is, after the audio/video file is unpacked into the second audio file and the second video file and loaded, the second audio file and the second video file may be directly played simultaneously, or the second audio file and the second video file may be paused at a first preset position, for example, the second audio file may be paused at an initial position, and the second video file may be paused at an initial position, so as to wait for receiving a corresponding control instruction to perform corresponding control on the second audio file, the second video file, or the audio/video file.
When the loaded file is determined to be a non-audio/video file in the step S21, the step S22 is executed to determine whether the loaded file is a first audio file. If the loaded file is the first audio file, step S221 is executed to directly play the first audio file or pause the first audio file at the second preset position after the first audio file is loaded. For example, after the first audio file is loaded, the first audio file may be preferentially played directly without waiting for the loading of the first video file, or the first audio file may be paused at a second predetermined position, such as a start position, after the first audio file is loaded. After the first audio file is loaded, the first control bar 1 is displayed on the display interface 10, and the first control bar 1 at this time is used to control the first audio file, and in addition, when the first audio file is switched to a third audio file by the first switching key 12, the third audio file is preferably an independent file, that is, the third audio file is not an audio file decapsulated from the audio file.
Next, step S222 is executed to load the first video file. Subsequently, step S223 is executed to directly play the first video file or pause the first video file at a third preset position after the first video file is loaded. For example, after the first video file is loaded, the first video file can be preferentially and directly played without waiting for the playing operation of the first audio file; the first video file can also be paused at a third preset position, such as an initial position, after the first video file is loaded; the first audio file and the first video file can be played simultaneously immediately after the first video file is loaded. After the first video file is loaded, the second control bar 2 is displayed on the display interface 10, and the second control bar 2 is used to control the first video file at this time, and when the first video file is switched to the third video file by the second switching key 22, the third video file is preferably an independent file, that is, the third video file is not a video file decapsulated from an audio/video file.
In addition, after the first audio file and the first video file are loaded, the third control column 3 is displayed on the display interface 10, and at this time, the third control column 3 is used for controlling the first audio file and the first video file at the same time; the third switch key 32 is used to switch the first audio file to a third audio file and to switch the first video file to a third video file. In the same way: when the third switching key 32 is clicked, displaying a first audio file switching dialog box on the display interface 10 and displaying a first video file switching dialog box on the display interface 10; wherein: the first audio file switching dialog box and the first video file switching dialog box can be displayed simultaneously, can be displayed sequentially according to a preset sequence, and can be displayed in a same dialog box in a column; in addition, in the process of switching the first audio file into the third audio file, the third audio file is preferably an independent file, that is, the third audio file is not an audio file decapsulated from other audio/video files, and in the process of switching the first video file into the third video file, the third video file is preferably an independent file, that is, the third video file is not a video file decapsulated from other audio/video files.
When the step S22 determines that the loaded file is not the first audio/video file, the step S23 is executed to determine whether the loaded file is the first video file, and if the loaded file is the first video file, the step S231 is executed to directly play the first video file or pause the first video file at a third preset position after the first video file is loaded. For example, after the first video file is loaded, the first video file may be preferentially played directly without waiting for the loading of the first audio file, or the first video file may be paused at a third predetermined position, such as the start position, after the first video file is loaded. After the first video file is loaded, the second control bar 2 is displayed on the display interface 10, and the second control bar 2 is used to control the first video file at this time, and when the first video file is switched to the third video file by the second switching key 22, the third video file is preferably an independent file, that is, the third video file is not a video file decapsulated from an audio/video file.
Next, step S232 is executed to load the first audio file. Subsequently, step S233 is executed to directly play the first audio file or pause the first audio file at the second preset position after the loading of the first audio file is completed. For example, after the first audio file is loaded, the first audio file can be preferentially and directly played without waiting for the playing operation of the first video file; or pausing the first audio file at a second preset position, such as an initial position, after the first audio file is loaded; the first audio file and the first video file can be played simultaneously immediately after the first audio file is loaded. After the first audio file is loaded, the first control bar 1 is displayed on the display interface 10, and the first control bar 1 is used for controlling the first audio file. In addition, when the first audio file is switched to the third audio file through the first switching key 12, the third audio file is preferably an independent file, that is, the third audio file is not an audio file decapsulated from an audio/video file.
Similarly, after the first audio file and the first video file are loaded, the third control column 3 is displayed on the display interface 10, and at this time, the third control column 3 is used for controlling the first audio file and the first video file at the same time; the third switch key 32 is used to switch the first audio file to a third audio file and to switch the first video file to a third video file. In the same way: when the third switching key 32 is clicked, displaying a first audio file switching dialog box on the display interface 10 and displaying a first video file switching dialog box on the display interface 10; wherein: the first audio file switching dialog box and the first video file switching dialog box can be displayed simultaneously, can be displayed sequentially according to a preset sequence, and can be displayed in a same dialog box in a column; in addition, in the process of switching the first audio file into the third audio file, the third audio file is preferably an independent file, that is, the third audio file is not an audio file decapsulated from other audio/video files, and in the process of switching the first video file into the third video file, the third video file is preferably an independent file, that is, the third video file is not a video file decapsulated from other audio/video files. When it is determined in step S23 that the loaded file is not the first video file, step S24 is performed to cancel the loading of the file.
Preferably, the first control bar 1 further includes a first speed-doubling key 17, where the first speed-doubling key 17 is used to control a playing speed of the first audio file or the second audio file, such as performing 0.5 speed-doubling playing, 0.75 speed-doubling playing, 1 speed-doubling playing, 1.25 speed-doubling playing, 1.5 speed-doubling playing, 2 speed-doubling playing, and the like, when the first speed-doubling key 17 is clicked, the first speed-doubling key 17 displays a pull-down menu bar, and at this time, the user selects a corresponding playing speed on the pull-down menu bar. Preferably, when the play double speed selection is completed, the current play double speed value, such as 0.5, 0.75, 1, 1.25, 1.5, 2, etc., is displayed at the first double speed key 17.
Of course, in other embodiments, the playing speed of the first audio file or the second audio file can also be controlled by clicking the first fast forward key 13 and the first fast backward key 14. For example, if the speed of the first audio file or the second audio file is 1 times, the playing speed of the first audio file or the second audio file is increased in a preset manner when the first fast forward key 13 is clicked once. For example, suppose that the playback speed value increases by 0.25 every time the first fast forward key 13 is clicked, i.e.: if the speed of the first audio file or the second audio file is 1 times of the normal playing speed, after the first fast forward key 13 is clicked once, the playing speed of the first audio file or the second audio file is increased to 1.25 times of the speed; after the first fast forward key 13 is clicked two times, the play speed of the first audio file or the second audio file is increased to 1.5 times. Similarly, when the first fast backward key 14 is clicked once, the playing speed of the first audio file or the second audio file is reduced in a preset manner. For example, suppose that each time the first fast reverse key 14 is clicked, the playback speed value decreases by 0.25, that is: if the speed of the first audio file or the second audio file is 1.25 times of the normal playing speed, after the first fast-backing key 14 is clicked once, the playing speed of the first audio file or the second audio file is reduced to 1 time of the speed; after the first fast backward key 14 is clicked twice, the playing speed of the first audio file or the second audio file is reduced to 0.75 speed. It should be noted that, if the first fast forward key 13 and the first fast backward key 14 are used to control the playing speed of the first audio file or the second audio file, the first fast forward key 13 and the first fast backward key 14 cannot be used to control the skip playing of the first audio file or the second audio file.
Similarly, the second control field 2 further includes a second speed-doubling key 27, where the second speed-doubling key 27 is used to control the speed of playing the first video file or the second video file, such as playing at 0.5 times speed, playing at 0.75 times speed, playing at 1 times speed, playing at 1.25 times speed, playing at 1.5 times speed, playing at 2 times speed, and so on; similarly, in other embodiments, the playing speed of the first video file or the second video file may also be controlled by clicking the second fast forward key 23 and the second fast backward key 24, and if the second fast forward key 23 and the second fast backward key 24 are used to control the playing speed of the first video file or the second video file, neither the second fast forward key 23 nor the second fast backward key 24 can be used to control the skip playing of the first video file or the second video file.
The third control column 3 further comprises a third speed button 37, where the third speed button 37 is used to control the first audio file and the first video file simultaneously, or to control the playing speed of the second audio file and the second video file simultaneously, such as to control the first audio file and the second audio file to play at 0.5 speed, 0.75 speed, 1 speed, 1.25 speed, 1.5 speed, or 2 speed simultaneously; similarly, in other embodiments, the third fast forward key 33 and the third fast backward key 34 may be clicked to simultaneously control the playback speed of the first audio file and the first video file, or simultaneously control the playback speed of the second audio file and the second video file, and at this time, the third fast forward key 33 and the third fast backward key 34 may not be used to control the skip-playing of the first audio file and the first video file, nor the second audio file and the second video file.
After the audio/video file is loaded, or after the first audio file and the first video file are loaded, if the relevant control instruction is obtained, step S3 is executed to obtain the control instruction, and corresponding processing is executed. Preferably, as shown in fig. 3, during the playing of the audio/video file or during the playing of the first audio file and the first video file, the first control bar 1, the second control bar 2, and the third control bar 3 are all hidden, that is, none of the first control bar 1, the second control bar 2, and the third control bar 3 is displayed on the display interface 10. When a control signal is received, for example, when a user touches or presses at least one of a display, a button, and a connected peripheral device (e.g., a mouse, a keyboard, etc.) of the intelligent electronic device, at least one control bar is displayed on the display interface 10, as shown in fig. 4, preferably, only one control bar is displayed on the display interface 10, at this time, the control bar is in a closed state, and a control bar switching button 4 is generated on the control bar for implementing expansion and switching of the control bar. For example, when the control bar switching button 4 is clicked, one control bar (see fig. 4) originally displayed on the display interface 10 may expand multiple control bars (see fig. 5), that is, at this time, the first control bar 1, the second control bar 2, and the third control bar 3 may be simultaneously displayed on the display interface 10, so that the user may directly perform corresponding control on a corresponding target object in the expanded multiple control bars, or may switch one control bar displayed in a state where the control bar is folded and hidden (see fig. 6).
Specifically, when a first control instruction is acquired, controlling the playing operation of a first audio file or a second audio file according to the acquired first control instruction; wherein, the first control command preferably includes at least one of a first play command, a first pause command, a first switch command, a first fast forward command, a first fast rewind command, a first skip play command, and a first double speed switch command, and each of the commands can be obtained by the first control field 1, i.e. the user can send the above-mentioned instructions through the first control bar 1, when the second control instruction is obtained, controlling the playing operation of the first video file or the second video file according to the acquired second control instruction, wherein the second control command preferably includes at least one of a second play command, a second pause command, a second switch command, a second fast forward command, a second fast rewind command, a second skip play command, and a second double speed switch command, and all the above instructions can be obtained by the second control bar 2, that is, the user can send the above instructions through the second control bar 2. When the third control instruction is obtained, the playing operation of the first audio file and the first video file is controlled simultaneously according to the obtained third control instruction, or the playing operation of the second audio file and the second video file is controlled simultaneously according to the obtained third control instruction, wherein the third control instruction preferably includes at least one of a third playing instruction, a third pause instruction, a third switching instruction, a third fast forward instruction, a third fast reverse instruction, a third skip instruction and a third double-speed switching instruction, and the instructions can be obtained by the third control column 3, that is, the user can send the instructions through the third control column 3.
For example, assuming that the currently loaded target file is an audio/video file, when the decapsulated second audio file needs to be controlled to play or pause, selecting the first control column 1, and clicking the first play/pause key 11 on the first control column 1; when the second audio file needs to be switched, selecting the first control bar 1, clicking the first switching key 12 on the first control bar 1, and then selecting a target audio file to be replaced; when the second audio file needs to be fast-forwarded, selecting the first control bar 1, and clicking a first fast-forwarding key 13 on the first control bar 1; when the second audio file needs to be fast backed, selecting the first control bar 1, and clicking a first fast-backing key 14 on the first control bar 1; when the second audio file needs to be played, selecting the first control bar 1, and clicking a corresponding position on a first progress bar 15 on the first control bar 1; when the playing speed of the second audio file needs to be switched, the first control bar 1 is selected, the first speed doubling key 17 on the first control bar 1 is clicked, and the required playing speed is selected from the pull-down menu bar of the first speed doubling key 17.
When the second video file needs to be controlled to play or pause, selecting the second control bar 2, and clicking a second play/pause key 21 on the second control bar 2; when the second video file needs to be switched, selecting the second control bar 2, clicking a second switching key 22 on the second control bar 2, and then selecting a target video file to be replaced; when the second video file needs to be fast-forwarded, selecting the second control bar 2, and clicking a second fast-forward key 23 on the second control bar 2; when the second video file needs to be fast backed, selecting the second control bar 2, and clicking a second fast-backing key 24 on the second control bar 2; when the second video file needs to be played, selecting the second control bar 2, and clicking a corresponding position on a second progress bar 25 on the second control bar 2; when the playing multiple speed of the second video file needs to be switched, the second control bar 2 is selected, the second speed doubling key 27 on the second control bar 2 is clicked, and the required playing multiple speed is selected from the pull-down menu bar of the second speed doubling key 27.
When the second audio file and the second video file need to be controlled to play or pause at the same time, selecting a third control column 3, and clicking a third play/pause key 31 on the third control column 3; when the second audio file and the second video file need to be switched simultaneously, selecting a third control column 3, clicking a third switching key 32 on the third control column 3, and then selecting a target audio file and a target video file to be replaced, or selecting a target audio/video file to be replaced; when the second audio file and the second video file need to be fast-forwarded at the same time, selecting the third control column 3, and clicking a third fast-forward key 33 on the third control column 3; when the second audio file and the second video file need to be fast backed simultaneously, selecting a third control column 3, and clicking a third fast-backing key 34 on the third control column 3; when the second audio file and the second video file need to be played in a jumping mode at the same time, the third control column 3 is selected, and the corresponding position on a third progress bar 35 on the third control column 3 is clicked; when the playing speed of the second audio file and the playing speed of the second video file need to be switched simultaneously, the third control bar 3 is selected, the third speed button 37 on the third control bar 3 is clicked, and the required playing speed is selected from the pull-down menu bar of the third speed button 37.
However, when the currently loaded target file is the first audio file and the first video file, the control principle is the same as that of the loaded target file being the audio/video file, and thus, repeated examples are not described herein.
The second embodiment of the audio and video playing method:
the difference between this embodiment and the first embodiment of the audio/video playing method lies in the display and switching manner of the control bar.
Specifically, as shown in fig. 7, in the present embodiment, the first control field, the second control field, and the third control field share one control field, and the control field switching key 64 is integrated with the name card. As shown in fig. 8, when a control object needs to be switched, for example, the control object is switched from an audio/video file to a first video file or a second video file, by clicking a control bar switching key 64, a pull-down menu is expanded and displayed at a name card, and then selecting a video file name card 62 in the pull-down menu, the third control bar can be switched to the second control bar (see fig. 9), and at this time, the first video file or the second video file can be controlled independently in the current control bar (for example, play, pause, switch, skip play, fast forward, double speed switch, fast backward, etc.).
Similarly, when the first audio file or the second audio file needs to be controlled, the current control bar is switched to the first control bar (corresponding to the audio file name card 61); when the first audio file and the first video file need to be controlled simultaneously or the second audio file and the second video file need to be controlled simultaneously, the current control column is switched to a third control column (corresponding to the audio/video file name card 63).
In summary, the audio/video playing method provided by the present invention can control the playing operation of an audio file or a video file separately, or control the playing operation of an audio file and a video file simultaneously, so as to achieve the purpose of synchronously or asynchronously controlling the playing operation of an audio file and a video file, thereby effectively solving the problem that the prior art cannot realize separate pause and skip playing of a video file or an audio file.
The embodiment of the computer device comprises:
the computer device of this embodiment includes a controller, and the steps in the first embodiment or the second embodiment of the audio/video playing method are implemented when the controller executes a computer program.
For example, a computer program may be partitioned into one or more modules, which are stored in a memory and executed by a controller to implement the present invention. One or more of the modules may be a sequence of computer program instruction segments for describing the execution of a computer program in a computer device that is capable of performing certain functions.
The computer device may include, but is not limited to, a controller, a memory. Those skilled in the art will appreciate that the computer apparatus may include more or fewer components, or combine certain components, or different components, e.g., the computer apparatus may also include input-output devices, network access devices, buses, etc.
For example, the controller may be a Central Processing Unit (CPU), other general purpose controller, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, and so on. The general controller may be a microcontroller or the controller may be any conventional controller or the like. The controller is the control center of the computer device and connects the various parts of the entire computer device using various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the controller may implement various functions of the computer apparatus by executing or otherwise executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. For example, the memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (e.g., a sound receiving function, a sound-to-text function, etc.), and the like; the storage data area may store data (e.g., audio data, text data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Computer-readable storage medium embodiments:
the modules integrated by the computer apparatus of the above embodiments, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the first embodiment or the second embodiment of the audio/video playing method may also be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a controller, the steps of the first embodiment or the second embodiment of the audio/video playing method may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The storage medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (10)
1. The audio and video playing method is characterized by comprising the following steps:
acquiring a target file, wherein the target file comprises an audio and video file, or the target file comprises a first audio file and a first video file;
judging the type of the target file, and if the target file is the audio and video file, decapsulating the audio and video file into a second audio file and a second video file;
acquiring a first control instruction, a second control instruction or a third control instruction;
controlling the playing operation of the first audio file or the second audio file according to the acquired first control instruction;
controlling the playing operation of the first video file or the second video file according to the obtained second control instruction;
controlling the playing operation of the first audio file and the first video file simultaneously according to the obtained third control instruction, or
And simultaneously controlling the playing operation of the second audio file and the second video file according to the acquired third control instruction.
2. The audio-video playing method according to claim 1, characterized in that:
controlling the playing operation of the first audio file or the second audio file according to the first control instruction comprises:
controlling the first audio file to play, pause, skip, fast forward or fast backward, or switching the first audio file; or
And controlling the second audio file to play, pause, skip, fast forward or fast backward, or switching the second audio file.
3. The audio-video playing method according to claim 1, characterized in that:
controlling the playing operation of the first video file or the second video file according to the second control instruction comprises:
controlling the first video file to play, pause, skip, fast forward or fast backward, or switching the first video file; or
And controlling the second video file to play, pause, skip, fast forward or fast backward, or switching the second video file.
4. The audio-video playing method according to claim 1, characterized in that:
the step of simultaneously controlling the playing operation of the first audio file and the first video file according to the obtained third control instruction comprises the following steps:
simultaneously controlling the first audio file and the first video file to play, pause, skip, fast forward or fast backward, or switching the first audio file and the first video file;
the step of simultaneously controlling the playing operation of the second audio file and the second video file according to the obtained third control instruction comprises the following steps:
and simultaneously controlling the second audio file and the second video file to play, pause, skip play, fast forward or fast backward, or switching the audio and video files.
5. The audio-video playing method according to claim 2 or 4, characterized in that:
switching the first audio file comprises:
switching the first audio file to a third audio file;
switching the second audio file comprises:
and switching the second audio file into a fourth audio file.
6. The audio-video playing method according to claim 3 or 4, characterized in that:
switching the first video file comprises:
switching the first video file to a third video file;
switching the second video file comprises:
and switching the second video file into a fourth video file.
7. The audio-video playing method according to any one of claims 1 to 4, characterized in that:
when the type of the target file is the audio and video file, directly playing the audio and video file or pausing the audio and video file at a first preset position after the audio and video file is loaded.
8. The audio-video playing method according to any one of claims 1 to 4, characterized in that:
when the type of the target file is the first audio file and the first video file:
if the first loaded file is the first audio file, directly playing the first audio file or pausing the first audio file at a second preset position after the first audio file is loaded, then loading the first video file, and directly playing the first video file or pausing the first video file at a third preset position after the first video file is loaded;
if the first loaded file is the first video file, after the first video file is loaded, directly playing the first video file or pausing the first video file at the third preset position, then loading the first audio file, and after the first audio file is loaded, directly playing the first audio file or pausing the first audio file at the second preset position.
9. A computer device comprising a processor and a memory, wherein: the memory stores a computer program which, when executed by the processor, carries out the steps of the audio-video playback method as claimed in any one of claims 1 to 8.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a controller, implements the steps of the audio-video playback method as claimed in any one of claims 1 to 8.
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Application publication date: 20210604 |