CN112770174A - Video file streaming method and device - Google Patents
Video file streaming method and device Download PDFInfo
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- CN112770174A CN112770174A CN202011617435.2A CN202011617435A CN112770174A CN 112770174 A CN112770174 A CN 112770174A CN 202011617435 A CN202011617435 A CN 202011617435A CN 112770174 A CN112770174 A CN 112770174A
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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
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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
- H04N21/434—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
- H04N21/4344—Remultiplexing of multiplex streams, e.g. by modifying time stamps or remapping the packet identifiers
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a video file streaming method, medium, equipment and device, wherein the method comprises the following steps: acquiring an original video file and corresponding expected data information; and searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer so that the multiplexer directly multiplexes the expected data stream. The streaming extraction method can simply and quickly extract the video file, and improves the streaming extraction efficiency of the video file.
Description
Technical Field
The present invention relates to the field of video processing technologies, and in particular, to a video file streaming method, a computer-readable storage medium, a computer device, and a video file streaming apparatus.
Background
In the related art, when a video file is extracted (video stream information or audio stream information in the video file is extracted), the extracted video stream information or audio stream information needs to be re-encoded and decoded, which results in that the video extraction process is time-consuming and the video extraction efficiency is reduced.
Disclosure of Invention
The present application is based on the recognition and study of the following problems by the inventors:
the process of extracting is to independently extract audio stream data or video stream data in a given video file when only the audio stream data or the video stream data are needed, and the process is called extracting; in the related art, when stream extraction is performed, after data is extracted, the data needs to be decoded, and then format conversion is performed on the decoded data; then, according to the selection of the encoder, format conversion is carried out and encoding is carried out; this method is very complicated in process, and especially the decoding and encoding processes are time-consuming.
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a video file stream extracting method, which can simply and quickly extract a video file, and improve the stream extracting efficiency of the video file.
A second object of the invention is to propose a computer-readable storage medium.
A third object of the invention is to propose a computer device.
The fourth purpose of the invention is to provide a video file stream extraction device.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a video file streaming method, including the following steps: acquiring an original video file and corresponding expected data information; and searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer so that the multiplexer directly multiplexes the expected data stream.
According to the video file streaming method provided by the embodiment of the invention, firstly, an original video file and corresponding expected data information are obtained; then, searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer, so that the multiplexer directly multiplexes the expected data stream; therefore, the streaming of the video file is simply and quickly realized, and the streaming efficiency of the video file is improved.
In addition, the video file stream extracting method proposed by the above embodiment of the present invention may further have the following additional technical features:
optionally, before demultiplexing the desired data stream, the method further includes: creating a target file, acquiring parameter information corresponding to the expected data stream, and storing the parameter information into the target file, so that the multiplexer multiplexes the expected data stream according to the parameter information.
To achieve the above object, a second aspect of the present invention provides a computer-readable storage medium, on which a video file abstraction program is stored, and the video file abstraction program, when executed by a processor, implements the video file abstraction method as described above.
According to the computer-readable storage medium of the embodiment of the invention, the video file stream extraction program is stored, so that the video file stream extraction method is realized when the processor executes the video file stream extraction program, the video file stream extraction is simply and quickly realized, and the stream extraction efficiency of the video file is improved.
In order to achieve the above object, a third embodiment of the present invention provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the video file streaming method as described above is implemented.
According to the computer equipment provided by the embodiment of the invention, the video file stream extraction program is stored through the memory, so that the video file stream extraction method is realized when the processor executes the video file stream extraction program, the video file stream extraction is simply and quickly realized, and the stream extraction efficiency of the video file is improved.
In order to achieve the above object, a fourth aspect of the present invention provides a video file stream extracting apparatus, including: the acquisition module is used for acquiring an original video file and corresponding expected data information; the stream extraction module is used for searching the original video file according to the expected data information so as to obtain a corresponding expected data stream; the demultiplexing module is used for demultiplexing the expected data stream and sending the demultiplexed expected data stream to a multiplexer; a multiplexer for directly multiplexing the desired data stream.
According to the video file stream extraction device provided by the embodiment of the invention, the acquisition module is arranged for acquiring the original video file and the corresponding expected data information; the stream extraction module is used for searching the original video file according to the expected data information so as to obtain a corresponding expected data stream; the demultiplexing module is used for demultiplexing the expected data stream and sending the demultiplexed expected data stream to a multiplexer; a multiplexer is used to directly multiplex the desired data streams. Therefore, the streaming of the video file is simply and quickly realized, and the streaming efficiency of the video file is improved.
In addition, the video file streaming apparatus proposed according to the above embodiment of the present invention may further have the following additional technical features:
optionally, the system further includes a parameter obtaining module, where the parameter obtaining module is configured to create a target file, obtain parameter information corresponding to the expected data stream, and store the parameter information in the target file, so that the multiplexer multiplexes the expected data stream according to the parameter information.
Drawings
FIG. 1 is a flowchart illustrating a video file streaming method according to an embodiment of the present invention;
fig. 2 is a block diagram of a video file streaming apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the related art, when streaming is performed on a video file, the streaming efficiency of the video file is low, and according to the video file streaming method provided by the embodiment of the invention, firstly, an original video file and corresponding expected data information are obtained; then, searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer, so that the multiplexer directly multiplexes the expected data stream; therefore, the streaming of the video file is simply and quickly realized, and the streaming efficiency of the video file is improved.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Fig. 1 is a schematic flowchart of a video file streaming method according to an embodiment of the present invention, and as shown in fig. 1, the video file streaming method includes the following steps:
s101, acquiring an original video file and corresponding expected data information.
That is, an original video file transmitted by a user and desired data information selected by the user (that is, a data stream desired to be extracted by the user is a video data stream or an audio data stream) are acquired.
S102, searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer so that the multiplexer directly multiplexes the expected data stream.
That is, an original video file is searched according to expected data information to obtain an expected data stream (video data stream or audio data stream) expected by a user; then, demultiplexing the acquired expected data stream; and sending the demultiplexed expected data stream to a multiplexer; so that the subsequent multiplexer directly multiplexes the received demultiplexed expected data; therefore, the decoding and encoding processes are not needed, and the streaming efficiency of the video file is improved.
In some embodiments, before demultiplexing the desired data stream, creating a target file, and obtaining parameter information (e.g., format, resolution, size of video frame, etc.) corresponding to the desired data stream; these parameter information are then stored in the destination file, and the subsequent multiplexer can directly multiplex the desired data streams according to the parameter information.
In summary, according to the video file streaming method of the embodiment of the present invention, first, an original video file and corresponding expected data information are obtained; then, searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer, so that the multiplexer directly multiplexes the expected data stream; therefore, the streaming of the video file is simply and quickly realized, and the streaming efficiency of the video file is improved.
In order to implement the above embodiments, an embodiment of the present invention provides a computer-readable storage medium, on which a video file abstraction program is stored, and the video file abstraction program, when executed by a processor, implements the video file abstraction method as described above.
According to the computer-readable storage medium of the embodiment of the invention, the video file stream extraction program is stored, so that the video file stream extraction method is realized when the processor executes the video file stream extraction program, the video file stream extraction is simply and quickly realized, and the stream extraction efficiency of the video file is improved.
In order to implement the foregoing embodiments, an embodiment of the present invention provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the video file streaming method as described above is implemented.
According to the computer equipment provided by the embodiment of the invention, the video file stream extraction program is stored through the memory, so that the video file stream extraction method is realized when the processor executes the video file stream extraction program, the video file stream extraction is simply and quickly realized, and the stream extraction efficiency of the video file is improved.
In order to implement the foregoing embodiment, an embodiment of the present invention provides a video file streaming apparatus, as shown in fig. 2, the video file streaming apparatus includes: an acquisition module 10, a decimation module 20, a demultiplexing module 30 and a multiplexer 40.
The acquiring module 10 is configured to acquire an original video file and corresponding expected data information;
the stream extracting module 20 is configured to search for an original video file according to the expected data information to obtain a corresponding expected data stream;
the demultiplexing module 30 is configured to demultiplex the desired data stream and send the demultiplexed desired data stream to the multiplexer;
the multiplexer 40 is used to directly multiplex the desired data streams.
In some embodiments, a parameter obtaining module (not shown in the figure) is further included; the parameter obtaining module is used for creating a target file, obtaining parameter information corresponding to the expected data stream, and storing the parameter information into the target file, so that the multiplexer can multiplex the expected data stream according to the parameter information.
It should be noted that the above description about the video file streaming method in fig. 1 is also applicable to the video file streaming apparatus, and is not repeated herein.
In summary, according to the video file stream extraction device in the embodiment of the present invention, the acquisition module is configured to acquire the original video file and the corresponding expected data information; the stream extraction module is used for searching the original video file according to the expected data information so as to obtain a corresponding expected data stream; the demultiplexing module is used for demultiplexing the expected data stream and sending the demultiplexed expected data stream to a multiplexer; a multiplexer is used to directly multiplex the desired data streams. Therefore, the streaming of the video file is simply and quickly realized, and the streaming efficiency of the video file is improved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above should not be understood to 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.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, 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 invention.
Claims (6)
1. A video file stream extracting method is characterized by comprising the following steps;
acquiring an original video file and corresponding expected data information;
and searching the original video file according to the expected data information to obtain a corresponding expected data stream, demultiplexing the expected data stream, and sending the demultiplexed expected data stream to a multiplexer so that the multiplexer directly multiplexes the expected data stream.
2. The video file streaming method of claim 1, further comprising, prior to demultiplexing the desired data stream:
creating a target file, acquiring parameter information corresponding to the expected data stream, and storing the parameter information into the target file, so that the multiplexer multiplexes the expected data stream according to the parameter information.
3. A computer-readable storage medium, having stored thereon a video file abstraction program, which when executed by a processor implements the video file abstraction method of any one of claims 1-2.
4. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements the video file streaming method of any of claims 1-2.
5. A video file streaming apparatus, comprising:
the acquisition module is used for acquiring an original video file and corresponding expected data information;
the stream extraction module is used for searching the original video file according to the expected data information so as to obtain a corresponding expected data stream;
the demultiplexing module is used for demultiplexing the expected data stream and sending the demultiplexed expected data stream to a multiplexer;
a multiplexer for directly multiplexing the desired data stream.
6. The video file streaming apparatus according to claim 5, further comprising a parameter obtaining module, wherein the parameter obtaining module is configured to create an object file, obtain parameter information corresponding to the desired data stream, and store the parameter information in the object file, so that the multiplexer multiplexes the desired data stream according to the parameter information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617435.2A CN112770174A (en) | 2020-12-30 | 2020-12-30 | Video file streaming method and device |
| PCT/CN2021/099770 WO2022142156A1 (en) | 2020-12-30 | 2021-06-11 | Video file stream extraction method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011617435.2A CN112770174A (en) | 2020-12-30 | 2020-12-30 | Video file streaming method and device |
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| CN112770174A true CN112770174A (en) | 2021-05-07 |
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| CN202011617435.2A Pending CN112770174A (en) | 2020-12-30 | 2020-12-30 | Video file streaming method and device |
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| WO (1) | WO2022142156A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022142156A1 (en) * | 2020-12-30 | 2022-07-07 | 稿定（厦门）科技有限公司 | Video file stream extraction method and apparatus |
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| CN108668162B (en) * | 2018-03-20 | 2021-06-04 | 海信视像科技股份有限公司 | Video file playing processing method and device and intelligent terminal |
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| CN1230076A (en) * | 1998-03-24 | 1999-09-29 | 三菱电机株式会社 | Digital video receiving apparatus |
| US6377309B1 (en) * | 1999-01-13 | 2002-04-23 | Canon Kabushiki Kaisha | Image processing apparatus and method for reproducing at least an image from a digital data sequence |
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