CN114780324A - Media delay testing method and device for android system - Google Patents
Media delay testing method and device for android system Download PDFInfo
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- CN114780324A CN114780324A CN202210697006.3A CN202210697006A CN114780324A CN 114780324 A CN114780324 A CN 114780324A CN 202210697006 A CN202210697006 A CN 202210697006A CN 114780324 A CN114780324 A CN 114780324A
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- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
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Abstract
The application discloses a media delay test method and a media delay test device for an android system, wherein the method comprises the following steps: determining a stage to be tested in the transmission process of the media data; setting a universal input/output port at the stage to be tested; and when the media data reaches the stage to be detected, measuring the level change time difference of the input/output port, and recording the change time difference as the transmission delay of the media data at the stage to be detected, so that the problems of high cost, complex operation and great environmental influence in the prior art of measuring the media delay through a sound sensor are solved.
Description
Technical Field
The invention relates to the technical field of media delay testing, in particular to a media delay testing method and device for an android system.
Background
With the development of society, people pay more and more attention to the movie and television effect in the Android (Android operating system) audio and video field; wherein, the avsync (audio-video synchronization) of the media is an important parameter which directly influences the sense of the user. In the prior art, the avsync uses a sound sensor to measure the time delay of the Audio in the Android device, however, the traditional sound sensor is expensive and complex in operation steps, and the test result is greatly influenced by the environment.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the problems of high media delay cost, complex operation and large environmental impact in the prior art measured by a sound sensor, thereby providing a media delay test method and device for an android system.
In order to solve the technical problem, the disclosed embodiments of the present invention at least provide a media delay testing method and apparatus for an android system.
In a first aspect, an embodiment of the present disclosure provides a media delay testing method for an android system, including:
determining a stage to be tested in the transmission process of the media data;
setting a universal input/output port at the stage to be tested;
and when the media data reaches the stage to be tested, measuring the level change time difference of the input and output ports, wherein the change time difference is recorded as the transmission delay of the media data at the stage to be tested.
Optionally, the stage to be tested includes: the method comprises the steps that a digital-to-analog conversion device acquires an Audio media stage, a Bluetooth device acquires the Audio media stage, a 12S transmission stage, a Bluetooth transmission stage, an android device chip decoding stage, an ADSP decoding stage, a 12S transmission to power amplifier output stage, an HDMI transmission to power amplifier output stage and all transmission processes of media data.
Optionally, the media data transmission process includes: the media data input stage and the media data output stage.
Optionally, the measuring the level change time difference of the input/output port is: and measuring the level change time difference of the input and output ports by using an oscilloscope.
Optionally, the input/output port is configured for the stage to be tested by driving.
Optionally, the number of the stages to be tested is multiple, and the setting of the general input/output port in the stages to be tested is as follows: and setting a universal input/output port at each stage to be tested.
In a second aspect, an embodiment of the disclosure of the present invention further provides a media delay testing apparatus for an android system, including:
the device comprises a to-be-tested stage determining module, a to-be-tested stage determining module and a to-be-tested stage determining module, wherein the to-be-tested stage determining module is used for determining a to-be-tested stage in the media data transmission process;
the test port setting module is used for setting a general input/output port at the stage to be tested;
and the level measurement module is used for measuring the level change time difference of the input and output ports when the media data reaches the stage to be detected, and the change time difference is recorded as the transmission delay of the media data at the stage to be detected.
Optionally, the media data transmission process includes: the media data input stage and the media data output stage.
In a third aspect, an embodiment of the present disclosure further provides a computer device, including: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating via the bus when the computer device is running, the machine-readable instructions when executed by the processor performing the steps of the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, the disclosed embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored, and the computer program is executed by a processor to perform the steps in the first aspect or any one of the possible implementation manners of the first aspect.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
on android equipment, the time delay of audio data in a terminal can be tested at low cost, and the time delay can be measured only by one common oscilloscope; by acquiring each node part of Audio data in an android link, respectively assigning different GPIOs (General-purpose input/output) at each node, changing the level of the GPIOs after the data reaches the GPIOs, and capturing the time difference of the level change by using an oscilloscope, the specific time delay of the Audio at each node part of the android device can be accurately acquired.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a flowchart of a media delay testing method for an android system according to an embodiment of the present disclosure;
fig. 2 shows a flowchart of another media delay testing method for an android system according to the disclosed embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a media delay testing apparatus for an android system according to an embodiment of the present disclosure;
fig. 4 shows a schematic structural diagram of a computer device according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
As shown in fig. 1, a flowchart of a media delay testing method for an android system provided in the embodiment of the present disclosure is provided, where the method includes:
s11: determining a stage to be tested in the transmission process of the media data;
s12: setting a universal input/output port at a stage to be tested;
s13: and when the media data reaches the stage to be detected, measuring the level change time difference of the input and output ports, and recording the change time difference as the transmission delay of the media data at the stage to be detected.
It can be understood that, according to the technical scheme provided by this embodiment, the time delay of the audio data in the terminal can be tested at low cost on the android device, and the time delay can be measured only by using one common oscilloscope; by acquiring each node part of Audio data in an android link, respectively assigning different GPIOs (General-purpose input/output) at each node, changing the level of the GPIOs after the data reaches the GPIOs, and capturing the time difference of the level change by using an oscilloscope, the specific time delay of the Audio at each node part of the android device can be accurately acquired.
Example 2
As shown in fig. 2, a flowchart of another media delay testing method for an android system according to the embodiment of the present disclosure includes:
s21: determining one or more stages to be tested in a media data transmission process, wherein the media data transmission process comprises the following steps: a media data input stage and a media data output stage;
s22: setting a universal input/output port at each stage to be tested through driving;
s23: and when the media data reach the stage to be measured, measuring the level change time difference of each input/output port by using an oscilloscope, and recording the change time difference as the transmission delay of the media data at the stage to be measured.
In a specific practice, the phases to be tested include: the digital-to-analog conversion equipment acquires an Audio media stage, the Bluetooth equipment acquires the Audio media stage, a 12S transmission stage, a Bluetooth transmission stage, an android device chip decoding stage, an ADSP decoding stage, a 12S transmission to power amplifier output stage, an HDMI transmission to power amplifier output stage and a media data transmission process.
In a specific practice, when Audio data is transmitted to each stage to be tested, different GPIOs are configured in each stage, and when data arrives, the level of the GPIOs is pulled down from high, and at this time, the time difference of the change of the high and low levels of each GPIO is measured by an oscilloscope, so that the time delay part between each stage can be obtained.
Conversely, when the Audio is output, the Audio output delay can be measured in the process of decoding and transmitting the Audio acquired from the network or locally.
It can be understood that, according to the technical scheme provided by this embodiment, the time delay of the audio data in the terminal can be tested at low cost on the android device, and the time delay can be measured only by using one common oscilloscope; by acquiring each node part of Audio data in an android link, respectively assigning different GPIOs (General-purpose input/output) at each node, changing the level of the GPIOs after the data reaches the GPIOs, and capturing the time difference of the level change by using an oscilloscope, the specific time delay of the Audio at each node part in the android device can be accurately acquired.
Example 3
As shown in fig. 3, an embodiment of the present invention further provides a media delay testing apparatus for an android system, including:
a to-be-tested stage determining module 31, configured to determine a to-be-tested stage in a media data transmission process;
a test port setting module 32, configured to set a general purpose input/output port at a stage to be tested;
the level measurement module 33 is configured to measure a level change time difference of the input/output port when the media data reaches a stage to be measured, where the change time difference is recorded as a transmission delay of the media data at the stage to be measured.
In a specific practice, the media data transmission process includes: a media data input stage and a media data output stage.
In a specific practice, the level measurement module 33 measures the level change time difference of the input/output port as: the level measurement module 33 measures the level change time difference of the input and output ports using an oscilloscope.
In particular practice, test port setup module 32 configures the input and output ports for the stage under test by driving.
It can be understood that, according to the technical scheme provided by the embodiment, the time delay of the audio data in the terminal can be tested at low cost on the android device, and the time delay can be measured only by using an ordinary oscilloscope; by acquiring each node part of Audio data in an android link, respectively assigning different GPIOs (General-purpose input/output) at each node, changing the level of the GPIOs after the data reaches the GPIOs, and capturing the time difference of the level change by using an oscilloscope, the specific time delay of the Audio at each node part in the android device can be accurately acquired.
Example 4
Based on the same technical concept, an embodiment of the present application further provides a computer device, which includes a memory 1 and a processor 2, as shown in fig. 4, where the memory 1 stores a computer program, and the processor 2 implements any one of the above media delay testing methods for an android system when executing the computer program.
The memory 1 includes at least one type of readable storage medium, which includes a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, and the like. The memory 1 may in some embodiments be an internal storage unit of the OTT video traffic monitoring system, e.g. a hard disk. The memory 1 may also be an external storage device of the OTT video service monitoring system in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the memory 1 may also include both an internal storage unit and an external storage device of the OTT video traffic monitoring system. The memory 1 may be used to store not only application software installed in the OTT video service monitoring system and various data, such as codes of OTT video service monitoring programs, but also temporarily store data that has been output or is to be output.
The processor 2 may be a Central Processing Unit (CPU), a controller, a microcontroller, a microprocessor or other data Processing chip in some embodiments, and is used to run program codes stored in the memory 1 or process data, for example, execute an OTT video service monitoring program.
It can be understood that, according to the technical scheme provided by this embodiment, the time delay of the audio data in the terminal can be tested at low cost on the android device, and the time delay can be measured only by using one common oscilloscope; by acquiring each node part of Audio data in an android link, respectively assigning different GPIOs (General-purpose input/output) at each node, changing the level of the GPIOs after the data reaches the GPIOs, and capturing the time difference of the level change by using an oscilloscope, the specific time delay of the Audio at each node part in the android device can be accurately acquired.
The disclosed embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the media delay testing method for an android system described in the above method embodiment are executed. The storage medium may be a volatile or non-volatile computer-readable storage medium.
The computer program product for the media delay testing method for the android system provided in the embodiment of the present disclosure includes a computer readable storage medium storing a program code, where instructions included in the program code may be used to execute steps of the media delay testing method for the android system described in the above method embodiment, which may be specifically referred to in the above method embodiment and are not described herein again.
The embodiments disclosed herein also provide a computer program, which when executed by a processor implements any one of the methods of the preceding embodiments. The computer program product may be embodied in hardware, software or a combination thereof. In an alternative embodiment, the computer program product is embodied in a computer storage medium, and in another alternative embodiment, the computer program product is embodied in a Software product, such as a Software Development Kit (SDK) or the like.
The content arrangement of the video service monitoring panel provided by the embodiment of the invention can more clearly and comprehensively present the monitored service indexes, realize the visualization of data and ensure the monitoring effect.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar contents in other embodiments may be referred to for the contents which are not described in detail in some embodiments.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: discrete logic circuits with logic gates for implementing logic functions on data signals, application specific integrated circuits with appropriate combinational logic gates.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer-readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (10)
1. A media delay test method for an android system is characterized by comprising the following steps:
determining a stage to be tested in the transmission process of the media data;
setting a universal input/output port at the stage to be tested;
and when the media data reaches the stage to be tested, measuring the level change time difference of the input and output ports, and recording the change time difference as the transmission delay of the media data at the stage to be tested.
2. The media delay test method for the android system as claimed in claim 1, wherein the stage to be tested includes: the method comprises the steps that a digital-to-analog conversion device acquires an Audio media stage, a Bluetooth device acquires the Audio media stage, a 12S transmission stage, a Bluetooth transmission stage, an android device chip decoding stage, an ADSP decoding stage, a 12S transmission to power amplifier output stage, an HDMI transmission to power amplifier output stage and all transmission processes of media data.
3. The media delay test method for the android system of claim 2, wherein the media data transmission process includes: the media data input stage and the media data output stage.
4. The media delay test method for the android system according to any one of claims 1 to 3, wherein the measuring a level change time difference of the input and output ports is: and measuring the level change time difference of the input and output ports by using an oscilloscope.
5. The media delay test method for the android system as claimed in any one of claims 1 to 3, wherein the input/output port is configured for the stage to be tested by driving.
6. The media delay test method for the android system according to any one of claims 1 to 3, wherein the number of stages to be tested is plural, and the setting of the general purpose input/output port at the stage to be tested is: and setting a universal input/output port at each stage to be tested.
7. A media time delay testing arrangement for tall and erect system of ann, its characterized in that includes:
the to-be-tested stage determining module is used for determining a to-be-tested stage in the media data transmission process;
the test port setting module is used for setting a universal input/output port at the stage to be tested;
and the level measurement module is used for measuring the level change time difference of the input and output ports when the media data reaches the stage to be detected, and the change time difference is recorded as the transmission delay of the media data at the stage to be detected.
8. The media latency testing apparatus for android system of claim 7, wherein the media data transmission process includes: the media data input stage and the media data output stage.
9. A computer device, comprising: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating over the bus when a computer device is running, the machine-readable instructions when executed by the processor performing the method for media latency testing for an android system as claimed in any one of claims 1 to 6.
10. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, performs the media latency testing method for an android system as claimed in any one of claims 1 to 6.
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