CN113365046B - High-performance audio and video data test transmitting method, application and storage medium thereof - Google Patents
High-performance audio and video data test transmitting method, application and storage medium thereof Download PDFInfo
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- CN113365046B CN113365046B CN202110483637.0A CN202110483637A CN113365046B CN 113365046 B CN113365046 B CN 113365046B CN 202110483637 A CN202110483637 A CN 202110483637A CN 113365046 B CN113365046 B CN 113365046B
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a high-performance audio and video data test transmission method, application and storage medium thereof, wherein the scheme adopts a serialization and deserialization mode to accelerate the reading of audio and video data and adopts a public memory to further reduce the consumption of resources such as memory, and meanwhile, the scheme method only comprises the most basic audio and video data transmission logic and does not comprise other redundant logic, so that thousands of paths of audio and video data can be simulated by using few hardware resources, 1000 paths of 720P video (the audio data is much smaller than the video data and can be ignored in theoretical calculation), theoretically, one public memory is 10MB, the public memory is circularly transmitted, and the consumption CPU of 1000 paths of audio and video transmission logic is less than 10% of 1 core (the network IO and the disk IO occupy the same or less and can be ignored compared with the traditional method); under the condition of realizing high-efficiency test, the scheme gets rid of huge hardware cost required by the traditional audio and video simulation test.
Description
Technical Field
The invention relates to the technical field of software testing, in particular to a high-performance audio and video data testing and transmitting method, application and storage medium thereof.
Background
In the development process of an audio-video software system (such as a live broadcast software system and a multi-person conference system), the test of the audio-video software system is indispensable, wherein the test of the number of audio-video paths which can be carried by the audio-video software system is particularly critical.
The current industry generally adopts the steps of stripping the core part of an audio and video software system to form a testing tool to send audio and video, so as to realize the simulation of audio and video data, and further test the number of audio and video paths which can be borne by the audio and video software system.
Therefore, one of the urgent problems to be solved by those skilled in the art is to propose a high-performance audio/video data simulation method for eliminating the huge hardware cost required by the conventional audio/video simulation test.
Disclosure of Invention
In view of the above, the present invention aims to provide a high performance audio/video data test transmission method, application and storage medium thereof, which has low cost, high test efficiency, reliable implementation and capability of greatly reducing the requirements on hardware performance.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a high performance data test transmission method, comprising:
s01, acquiring a plurality of communication packet data;
s02, extracting the Data part of the communication Data packet and arranging the Data part according to the communication time sequence to obtain communication packet Data, and extracting each communication packet interval time of the communication Data packet and arranging the Data part according to the communication packet sequence to obtain communication packet interval time Data;
s03, carrying out serialization processing on communication packet Data and communication packet interval time Data obtained by extracting the communication Data packet, and generating communication Data packet serialization Data;
s04, deserializing the communication data packet serialized data and reading the deserialized data into a public memory;
s05, carrying out logic processing on a communication packet Data part of communication packet serialization Data read into the public memory in a reverse serialization manner, and eliminating noise Data in the public memory;
s06, setting the number of system output bearing paths, wherein each bearing path number transmits the communication packet Data in the public memory to the target address of the receiving end according to the communication packet interval time Data.
As a possible implementation manner, in step S01, the method for acquiring the data of the plurality of communication packets is as follows:
and grabbing the communication file through a grabbing tool, and exporting the communication file into communication data packet data to acquire a plurality of communication packet data.
As a preferred implementation option, preferably, when the communication file is a communication encrypted file, the communication file is further established with data communication through a preset reading system, and then the communication encryption is removed, and then the communication file is grabbed through a grabbing tool.
Based on the method, the invention also provides a high-performance audio and video data test transmission method which comprises the high-performance data test transmission method,
wherein, the liquid crystal display device comprises a liquid crystal display device,
the communication packet data is audio and video communication packet data.
As a possible implementation manner, the audio-video communication packet data includes at least one of audio communication packet data, video communication packet data and audio-video hybrid communication packet.
As a preferred implementation choice, in step S01, preferably, the plurality of communication packet data are generated by the packet capturing tool for capturing and exporting, and when the file captured by the packet capturing tool is an audio/video file, it is determined whether the audio portion and the video portion of the audio/video file are located on the same connection,
when the audio part and the video part are positioned on the same connection, the audio and video file is grabbed, an audio and video mixed communication data packet is derived, and the audio and video mixed communication data packet is set as audio and video communication packet data;
when the audio part and the video part are positioned on different connections, the audio part and the video part of the audio-video file are respectively derived into audio communication packet data and video communication packet data after being grabbed, and the audio communication packet data and the video communication packet data are formed by association.
As a preferred implementation option, preferably, when the communication packet data obtained by acquiring the plurality of communication packet data is formed by associating audio communication packet data with video communication packet data,
after the Data part of the communication Data packet and each communication packet interval time of the communication Data packet are extracted and sequenced, the obtained communication packet Data and communication packet interval time Data respectively comprise communication packet Data and communication packet interval time Data corresponding to audio and video, and the communication packet Data and the communication packet interval time Data are mutually associated.
Based on the method, the invention also provides an audio and video software system testing method which is used for testing the bearing road number of the audio and video software system;
the testing method comprises the high-performance audio and video data sending method;
it also includes:
s07, receiving communication packet Data by a receiving end and performing parallel reading;
s08, acquiring the Data path number of the communication packet Data which is read by the receiving end in parallel normally, and generating an effective reading path number;
s09, comparing the effective reading path number with the set system output bearing path number to obtain a comparison result;
s010, obtaining the bearing road number performance index of the audio and video software system according to the comparison result.
Based on the above method, the present invention further provides a computer readable storage medium, where at least one instruction, at least one section of program, a code set, or an instruction set is stored in the storage medium, where the at least one instruction, at least one section of program, the code set, or the instruction set is loaded and executed by a processor to implement the above high performance data test transmission method or implement the above high performance audio/video data test transmission method or implement the above audio/video software system test method.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: the scheme adopts a serialization and deserialization mode to accelerate the reading of the audio and video data and adopts the public memory, so that the consumption of resources such as the memory is further reduced, and meanwhile, the scheme method only comprises the most basic audio and video data transmission logic, does not comprise other redundant logic, and realizes that thousands of paths of audio and video data can be simulated by using few hardware resources. In the case of 1000 paths of 720P video (audio data is much smaller than video data and can be ignored in theoretical calculation), theoretically, a public memory of 10MB is circularly transmitted, and the consumption of the logic of 1000 paths of audio and video transmission is less than 10% of 1 core (the occupation of network IO and disk IO is the same or less and can be ignored compared with the traditional method); under the condition of realizing high-efficiency test, the scheme gets rid of huge hardware cost required by the traditional audio and video simulation test.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a high performance data test transmission method according to the present invention;
FIG. 2 is a schematic diagram of an example of application of the high performance data test transmission method of the present invention in audio/video data test transmission;
FIG. 3 is a schematic flow chart of the test method of the audio/video software system of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Likewise, the following examples are only some, but not all, of the examples of the present invention, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present invention.
As shown in fig. 1, the method for sending high performance data test in this scheme includes:
s01, acquiring a plurality of communication packet data;
s02, extracting the Data part of the communication Data packet and arranging the Data part according to the communication time sequence to obtain communication packet Data, and extracting each communication packet interval time of the communication Data packet and arranging the Data part according to the communication packet sequence to obtain communication packet interval time Data;
s03, carrying out serialization processing on communication packet Data and communication packet interval time Data obtained by extracting the communication Data packet, and generating communication Data packet serialization Data;
s04, deserializing the communication data packet serialized data and reading the deserialized data into a public memory;
s05, carrying out logic processing on a communication packet Data part of communication packet serialization Data read into the public memory in a reverse serialization manner, and eliminating noise Data in the public memory;
s06, setting the number of system output bearing paths, wherein each bearing path number transmits the communication packet Data in the public memory to the target address of the receiving end according to the communication packet interval time Data.
In this embodiment, as a possible implementation manner, in step S01, the method for obtaining the data of the plurality of communication packets is as follows:
and grabbing the communication file through a grabbing tool, and exporting the communication file into communication data packet data to acquire a plurality of communication packet data.
In addition, in order to avoid that the data to be captured is communication encrypted data, in this scheme, as a preferred implementation choice, preferably, when the communication file is a communication encrypted file, the communication file is further established by a preset reading system, and then the communication encryption is removed, and then captured by a capture tool.
Based on the method, the invention also provides a high-performance audio and video data test transmission method which comprises the high-performance data test transmission method,
wherein the communication packet data is audio/video communication packet data.
In order to maintain data integrity or avoid loss, in this embodiment, as a possible implementation manner, the audio and video communication packet data further includes at least one of audio communication packet data, video communication packet data, and audio and video hybrid communication packet.
As a preferred implementation choice, in step S01, preferably, the plurality of communication packet data are generated by the packet capturing tool for capturing and exporting, and when the file captured by the packet capturing tool is an audio/video file, it is determined whether the audio portion and the video portion of the audio/video file are located on the same connection,
when the audio part and the video part are positioned on the same connection, the audio and video file is grabbed, an audio and video mixed communication data packet is derived, and the audio and video mixed communication data packet is set as audio and video communication packet data;
when the audio part and the video part are positioned on different connections, the audio part and the video part of the audio-video file are respectively derived into audio communication packet data and video communication packet data after being grabbed, and the audio communication packet data and the video communication packet data are formed by association.
As a preferred implementation option, preferably, when the communication packet data obtained by acquiring the plurality of communication packet data is formed by associating audio communication packet data with video communication packet data,
after the Data part of the communication Data packet and each communication packet interval time of the communication Data packet are extracted and sequenced, the obtained communication packet Data and communication packet interval time Data respectively comprise communication packet Data and communication packet interval time Data corresponding to audio and video, and the communication packet Data and the communication packet interval time Data are mutually associated.
The application example of the high-performance audio and video data test and transmission method is shown by focusing on the figure 2, and the specific operation flow is as follows:
(1) Obtaining real audio-video data
The audio-video communication is built by using the tested audio-video software system, communication encryption is removed, then a packet grabbing tool is used for grabbing packets of the audio-video communication, communication packet data is derived (only audio-video operation is conducted in a certain direction, such as A and B are conducted, only audio-video communication packet data from A to B or from B to A are exported), one part of audio and one part of video are obtained (if the audio-video software system of the tested audio-video software system is transmitted on the same connection, only one part of audio and video are mixed, and the subsequent logic is the same).
(2) Extraction of Data portion and time stamp portion of real audio-video Data communication packet
And then, the packet analysis tool is used for respectively extracting the interval time of each communication packet of the audio and video communication packets and arranging the communication packets according to the communication packet sequence, so that the communication packet Data of the audio and video Data and the interval time Data of each communication packet can be obtained, and the audio and video Data can be obtained.
(3) Serializing audio and video data after extraction
Serializing the extracted audio and video data file to generate a serialized file, such as Java serialization (same as other program languages) so as to accelerate the audio and video data reading speed.
(4) The audio and video serialization data is read to the public memory in a deserialization way
And the audio and video serialization data is read in a deserialization mode into a public memory (for example, a Java static variable mode is used, and other program languages are the same), so that the data are shared by all threads, and the consumption of resources such as the memory is reduced.
(5) Logical processing of Data part of audio and video Data
The Data such as seq (serial number) and timestamp (timestamp) exist in Data more or less in different audio-video interaction protocols, the Data generally needs to be increased or generated according to a certain logic, meanwhile, the audio-video Data acquired by the method may contain partial audio-video keep-alive or similar Data, seq, timestamp in the Data is generally special or discontinuous compared with the audio-video Data, so that the values of fields such as seq, timestamp in Data in the front 10 pieces of communication (the number is adjusted according to the condition of the audio-video protocol) and the rear 10 pieces of communication of the audio-video Data are respectively subtracted to obtain a series of Data, the irregular minority Data in the series of Data is removed, the rest Data is used, and the increasing rule of fields such as seq, timestamp is obtained according to the Data interval number (namely the number of Data intervals between the front 10 pieces and the rear 10 pieces).
(6) Audio and video data transmission
Setting the number of transmission bearing paths of the tested audio/video software system, wherein each bearing path number is used for transmitting Data in audio/video Data in a public memory to a target address (such as an IP port of an object receiving the audio/video Data) according to a communication packet time stamp interval time (namely, after a communication is transmitted and waiting for the interval time, the next communication is continuously transmitted), and a transmitting method of an audio/video corresponding protocol (such as UDP (user datagram protocol) is used for transmitting in the case of Java) by using a send method in a Java.net.datagram socket), wherein field values such as seq, timestamp in the Data are replaced and transmitted according to the increment rule obtained in step (5).
The testing method has universality to a certain extent, is not limited to the data transmission test of audio and video, and can be used for the transmission load bearing path number performance test of data such as documents, pictures and the like.
Based on the method, and referring to fig. 3, the present solution also provides a method for testing an audio/video software system, which is used for testing the number of load paths of the audio/video software system;
the testing method comprises the high-performance audio and video data sending method;
the testing method comprises the following steps:
s01, acquiring a plurality of communication packet data;
s02, extracting the Data part of the communication Data packet and arranging the Data part according to the communication time sequence to obtain communication packet Data, and extracting each communication packet interval time of the communication Data packet and arranging the Data part according to the communication packet sequence to obtain communication packet interval time Data;
s03, carrying out serialization processing on communication packet Data and communication packet interval time Data obtained by extracting the communication Data packet, and generating communication Data packet serialization Data;
s04, deserializing the communication data packet serialized data and reading the deserialized data into a public memory;
s05, carrying out logic processing on a communication packet Data part of communication packet serialization Data read into the public memory in a reverse serialization manner, and eliminating noise Data in the public memory;
s06, setting the number of system output bearing paths, wherein each bearing path number transmits communication packet Data in a public memory to a target address of a receiving end according to communication packet interval time Data;
s07, receiving communication packet Data by a receiving end and performing parallel reading;
s08, acquiring the Data path number of the communication packet Data which is read by the receiving end in parallel normally, and generating an effective reading path number;
s09, comparing the effective reading path number with the set system output bearing path number to obtain a comparison result;
s010, obtaining the bearing road number performance index of the audio and video software system according to the comparison result.
In the actual test of the scheme, the set value of the output bearing path number of the system can be continuously adjusted, and the bearing path number performance (namely, approximate upper limit performance) of the audio and video software system can be primarily judged and obtained by combining the effective reading path number obtained by the receiving end and the effective reading path number being smaller than the output bearing path number.
The foregoing description is only a partial embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. A high performance data test transmission method, comprising:
acquiring a plurality of communication packet data;
extracting the Data part of the communication packet Data and arranging the Data part according to the communication time sequence to obtain the communication packet Data, extracting each communication packet interval time of the communication packet Data and arranging the Data part according to the communication packet sequence to obtain the communication packet interval time Data;
carrying out serialization processing on communication packet Data obtained by extracting communication packet Data and communication packet interval time Data to generate communication packet Data serialization Data;
the communication packet data serialization data are read into a public memory in a deserialization mode;
setting the number of the output bearing ways of the system, and sending the communication packet Data in the public memory to the target address of the receiving end by each bearing way according to the communication packet interval time Data.
2. The high performance data test transmission method as claimed in claim 1, further comprising: and carrying out logic processing on the communication packet Data part of the communication packet Data serialization Data read into the public memory in the inverse serialization manner, and eliminating noise Data in the public memory.
3. The method for transmitting high performance data according to claim 1, wherein the method for acquiring the data of the plurality of communication packets comprises:
and grabbing the communication file through a grabbing tool, and exporting the communication file into communication packet data to acquire a plurality of communication packet data.
4. The method for transmitting high-performance data test as claimed in claim 3, wherein when the communication file is a communication encrypted file, the communication file is further established with data communication through a preset reading system, and then the communication encryption is removed, and then the communication file is grabbed through a grabbing tool.
5. A high-performance audio and video data test and transmission method is characterized in that: comprising the high performance data test transmission method according to one of claims 1 to 4,
wherein, the liquid crystal display device comprises a liquid crystal display device,
the communication packet data is audio and video communication packet data.
6. The method for testing and transmitting high-performance audio and video data according to claim 5, wherein the audio and video communication packet data comprises at least one of audio communication packet data, video communication packet data and audio and video mixed communication packet data.
7. The method for testing and transmitting high-performance audio and video data according to claim 6, wherein the plurality of communication packet data are generated by capturing packets and exporting the communication packet data through a capturing tool, and when the file captured by the capturing tool is an audio and video file, determining whether an audio portion and a video portion of the audio and video file are located on the same connection,
when the audio part and the video part are positioned on the same connection, the audio and video file is grabbed, audio and video mixed communication packet data is derived, and the audio and video mixed communication packet data is set as the audio and video communication packet data;
when the audio part and the video part are positioned on different connections, the audio part and the video part of the audio-video file are respectively derived into audio communication packet data and video communication packet data after being grabbed, and the audio communication packet data and the video communication packet data are formed by association.
8. The method for transmitting high-performance audio/video data according to claim 7, wherein when the communication packet data obtained by obtaining the plurality of communication packet data is formed by associating the audio communication packet data with the video communication packet data,
after the Data part of the communication packet Data and each communication packet interval time of the communication packet Data are extracted and sequenced, the obtained communication packet Data and communication packet interval time Data respectively comprise communication packet Data and communication packet interval time Data corresponding to audio and video, and the communication packet Data and the communication packet interval time Data are mutually associated.
9. The method is characterized in that the method is used for testing the bearing road number of the audio-video software system;
the test method comprises the high-performance audio and video data test transmission method according to one of claims 5 to 8;
it also includes:
the receiving end receives the Data of the communication packet and performs parallel reading;
acquiring the Data path number of the communication packet Data which is read by the receiving end in parallel at normal time, and generating an effective reading path number;
comparing the effective reading path number with the set system output bearing path number to obtain a comparison result;
and obtaining the bearing road number performance index of the audio and video software system according to the comparison result.
10. A computer-readable storage medium, characterized by: the storage medium stores at least one instruction, at least one program, a code set, or an instruction set, where the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by the processor to implement a high performance data test transmission method according to one of claims 1 to 4, or implement a high performance audio video data test transmission method according to one of claims 5 to 8, or implement an audio video software system test method according to claim 9.
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