CN108900877B - Method for controlling audio and video playing equipment to play audio and video files and service equipment - Google Patents
Method for controlling audio and video playing equipment to play audio and video files and service equipment Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims abstract description 193
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- 238000001514 detection method Methods 0.000 claims description 4
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- 238000004590 computer program Methods 0.000 description 8
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26233—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving content or additional data duration or size, e.g. length of a movie, size of an executable file
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26241—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the time of distribution, e.g. the best time of the day for inserting an advertisement or airing a children program
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Abstract
The invention discloses a method for controlling audio and video playing equipment to play audio and video files and service equipment, wherein the method comprises the following steps: the service equipment sends audio and video contents of the audio and video files needing to be played by the audio and video playing equipment to the audio and video playing equipment through a first transmission line; the service equipment times the real-time duration of audio and video contents of an audio and video file issued through a first transmission line; and when the real-time duration reaches the preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through the second transmission line, wherein the audio and video playing equipment is used for playing the audio and video content issued by the first transmission line when the first transmission line is normal and playing the audio and video content issued by the second transmission line when the first transmission line is in fault. Therefore, by implementing the embodiment of the invention, the audio and video content of the audio and video file is transmitted in a delayed manner through the second transmission line, the occurrence of audio and video content loss can be reduced, and the playing effect of the audio and video playing equipment is improved.
Description
Technical Field
The invention relates to the technical field of audio and video playing, in particular to a method for controlling audio and video playing equipment to play audio and video files and service equipment.
Background
When important matters need to be notified through the audio and video playing equipment in a large hearing test, relevant personnel copy audio and video files needing to be played to the service equipment in advance, and when the time reaches the set playing time, the service equipment issues the uploaded audio and video files to the audio and video playing equipment through a wireless transmission line or an analog transmission line so as to trigger the audio and video playing equipment to play the audio and video files. Practice shows that when one of the transmission lines has a fault, the service device needs to switch the transmission line, and the audio/video playing device also needs to switch the receiving line (corresponding to the transmission line of the service device), which results in the problem of audio/video content loss due to the fact that certain time is needed for line switching, thereby reducing the playing effect of the audio/video playing device.
Disclosure of Invention
The embodiment of the invention discloses a method for controlling audio and video playing equipment to play audio and video files and service equipment, which can improve the playing effect of the audio and video playing equipment.
The first aspect of the embodiment of the invention discloses a method for controlling audio and video playing equipment to play audio and video files, which comprises the following steps:
the service equipment sends audio and video contents of the audio and video files needing to be played by the audio and video playing equipment to the audio and video playing equipment through a first transmission line;
the service equipment times the real-time duration of the audio and video content of the audio and video file transmitted through the first transmission line;
when the real-time duration reaches a preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line;
the audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in fault.
As an optional implementation manner, in the first aspect of this embodiment of the present invention, the method further includes:
the service equipment counts transmission line fault information reported by massive target audio and video playing equipment, wherein the transmission line fault information comprises target duration of audio and video content lost when the transmission line of each target audio and video playing equipment is in fault;
and the service equipment determines the preset switching time length according to the target time length included by all the transmission line fault information.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, the determining, by the service device, the preset switching duration according to the target duration included in all the transmission line fault information includes:
the service equipment calculates the average time length of the target time length included by all the transmission line fault information as the preset switching time length; or,
the service equipment determines the equipment type and the accumulated service time of each target audio and video playing equipment, and determines the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
the service equipment sets a corresponding weight value for each target audio and video playing equipment in the audio and video playing equipment set according to the difference value between the accumulated use time length of each target audio and video playing equipment in the audio and video playing equipment set and the accumulated use time length of the audio and video playing equipment;
the service equipment calculates the product of the weight value of each target audio and video playing equipment in the audio and video playing equipment set and the target duration corresponding to the target audio and video playing equipment and the sum of all the products;
and the service equipment calculates the ratio of the sum of all the products to the number of target audio and video playing equipment included in the audio and video playing equipment set as the preset switching duration.
As an optional implementation manner, in the first aspect of this embodiment of the present invention, the method further includes:
the service equipment receives the total effective playing time fed back by the audio and video playing equipment, wherein the total effective playing time is fed back by the audio and video playing equipment after the audio and video file is played, and the total effective playing time is the total effective playing time of the audio and video playing equipment for playing the audio and video content of the audio and video file;
the service equipment judges whether the total effective playing time length is less than the total time length of the audio and video files or not;
when the total effective playing time length is smaller than the total effective playing time length of the audio and video files, the service equipment adjusts the preset switching time length to obtain a target switching time length, and the target switching time length is larger than the preset switching time length.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, after determining that the total effective playing time is less than the total effective playing time of the audio/video file, before the service device adjusts the preset switching time to obtain a target switching time, the method further includes:
the service equipment outputs a switching duration adjustment prompt, and the switching duration adjustment prompt is used for prompting whether to adjust the preset switching duration or not;
and the service equipment detects whether a switching duration adjustment response aiming at the switching duration adjustment prompt is received, and if the switching duration adjustment response is received, the preset switching duration is adjusted to obtain a target switching duration.
A second aspect of an embodiment of the present invention discloses a service device, where the service device includes:
the communication unit is used for sending audio and video contents of an audio and video file needing to be played by the audio and video playing equipment to the audio and video playing equipment through a first transmission line;
the timing unit is used for timing the real-time duration of the audio and video content of the audio and video file issued by the communication unit through the first transmission line;
the communication unit is further used for sending the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line when the real-time duration reaches a preset switching duration;
the audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in fault.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the service apparatus further includes:
the statistical unit is used for counting transmission line fault information reported by massive target audio and video playing devices, wherein the transmission line fault information comprises target duration of audio and video contents lost when each target audio and video playing device has a fault in a transmission line;
and the determining unit is used for determining the preset switching time length according to the target time length included by all the transmission line fault information.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, a manner in which the determining unit determines the preset switching time length according to the target time lengths included in all the transmission line fault information is specifically:
calculating the average time length of the target time length included in all the transmission line fault information as the preset switching time length; or,
determining the equipment type and the accumulated use duration of each target audio and video playing equipment, and determining the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
setting a corresponding weight value for each target audio and video playing device in the audio and video playing device set according to the difference value between the accumulated use time of each target audio and video playing device in the audio and video playing device set and the accumulated use time of the audio and video playing device;
calculating the product of the weighted value of each target audio and video playing device in the audio and video playing device set and the target duration corresponding to the target audio and video playing device and the sum of all the products;
and calculating the ratio of the sum of all the products to the number of the target audio and video playing devices included in the audio and video playing device set as the preset switching duration.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the communication unit is further configured to receive a total effective playing duration fed back by the audio/video playing device, where the total effective playing duration is fed back by the audio/video playing device after the audio/video file is played, and the total effective playing duration is a total duration for the audio/video playing device to effectively play audio/video content of the audio/video file;
the service device further includes:
the judging unit is used for judging whether the total effective playing time length is less than the total effective playing time length of the audio and video files;
and the adjusting unit is used for adjusting the preset switching time length to obtain a target switching time length when the judging unit judges that the total effective playing time length is less than the total time length of the audio and video files, and the target switching time length is greater than the preset switching time length.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the service apparatus further includes:
the output unit is used for outputting a switching duration adjustment prompt after the judging unit judges that the effective playing total duration is smaller than the total duration of the audio and video files, and the switching duration adjustment prompt is used for prompting whether to adjust the preset switching duration or not;
a detection unit, configured to detect whether a switching duration adjustment response to the switching duration adjustment prompt is received;
the adjusting unit is specifically configured to adjust the preset switching duration to obtain a target switching duration when the judging unit judges that the total effective playing duration is less than the total duration of the audio/video file and when the detecting unit detects that the switching duration adjustment response is received.
A third aspect of the embodiments of the present invention discloses another service device, where the service device includes:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the method for controlling the audio and video playing equipment to play the audio and video files disclosed by the first aspect of the embodiment of the invention.
A fourth aspect of the present invention discloses a computer-readable storage medium storing a computer program, where the computer program enables a computer to execute the method for controlling an audio/video playing device to play an audio/video file disclosed in the first aspect of the present invention.
A fifth aspect of embodiments of the present invention discloses a computer program product, which, when running on a computer, enables the computer to execute the method for controlling an audio/video playing device to play an audio/video file disclosed in the first aspect.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, the service equipment sends the audio and video content of the audio and video file needing to be played by the audio and video playing equipment to the audio and video playing equipment through the first transmission line; the service equipment times the real-time duration of audio and video contents of an audio and video file issued through a first transmission line; and when the real-time duration reaches the preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through the second transmission line, wherein the audio and video playing equipment is used for playing the audio and video content issued by the first transmission line when the first transmission line is normal and playing the audio and video content issued by the second transmission line when the first transmission line is in fault. Therefore, the embodiment of the invention can enable the service equipment to issue the audio and video files through the two transmission lines, wherein the time for issuing the audio and video files through one transmission line is later than the time for issuing the audio and video files through the other transmission line, and the time interval is determined by the switching duration, so that the situation of audio and video content missing can be reduced in a mode of delaying the issuing of the audio and video content of the audio and video files through the second transmission line, and the playing effect of the audio and video playing equipment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for controlling an audio/video playing device to play an audio/video file according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of another method for controlling an audio/video playing device to play an audio/video file according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a service device disclosed in the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another service device disclosed in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of another service device disclosed in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, of embodiments of the present invention are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses a method for controlling audio and video playing equipment to play audio and video files and service equipment, which can enable the service equipment to issue the audio and video files through two transmission lines, wherein the time for issuing the audio and video files through one transmission line is later than that of issuing the audio and video files through the other transmission line, and the time interval is determined by the switching duration, so that the situation of audio and video content missing can be reduced in a mode of delaying the issuing of the audio and video contents of the audio and video files through a second transmission line, and the playing effect of the audio and video playing equipment is improved. The following are detailed below.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart of a method for controlling an audio/video playing device to play an audio/video file according to an embodiment of the present invention. As shown in fig. 1, the method for controlling an audio/video playing device to play an audio/video file may include the following operations:
101. the service equipment sends audio and video contents of the audio and video files needing to be played by the audio and video playing equipment to the audio and video playing equipment through the first transmission line.
In the embodiment of the present invention, the transmission line between the service device and the audio/video playing device may include at least two transmission lines, where the at least two transmission lines include a wireless transmission line and an analog transmission line. And as the wireless transmission line has the advantages of high transmission speed, high transmission reliability and the like, the service equipment can preferentially send the audio and video contents of the audio and video files to be played to the audio and video playing equipment through the wireless transmission line. And after receiving the audio and video content sent by the service device through the wireless transmission line, the audio and video playing device needs to perform power amplification operation on the audio and video content first and then play the audio and video content. The audio/video playing device may include, but is not limited to, a network broadcast microphone with a broadcasting function of an audio/video broadcasting function, a rack-mounted network broadcast adapter, a wall-mounted network broadcast adapter, a mobile multimedia device, a mobile phone, a tablet, a computer, and the like.
In the embodiment of the present invention, specifically, the service device may first detect whether the current time reaches the preset playing time, and when it is detected that the current time reaches the preset playing time, the service device sends, to the audio and video playing device, the audio and video content of the audio and video file that needs to be played by the audio and video playing device through the first transmission line. Therefore, the audio and video playing equipment can play the audio and video content on time.
102. The service equipment times the real-time duration of the audio and video content of the audio and video file transmitted through the first transmission line.
In the embodiment of the invention, the service equipment starts to time from the starting time of transmitting the audio and video content of the audio and video file through the first transmission line to obtain the real-time duration of transmitting the audio and video content, wherein the real-time duration of transmitting the audio and video content is the duration of playing the audio and video content in real time by the audio and video playing equipment.
In the embodiment of the present invention, when the real-time duration obtained by timing in step 102 does not reach the preset switching duration, step 102 may be repeatedly executed until the real-time duration obtained by timing reaches the preset switching duration; and when the real-time duration obtained by timing in the step 102 reaches the preset switching duration, triggering to execute the step 103.
103. And when the real-time duration reaches the preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line.
In the embodiment of the invention, the audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in failure. Specifically, if the audio/video playing device cannot receive the audio/video content issued by the service device through the first transmission line, the audio/video playing device switches the receiving line of the audio/video playing device from the first transmission line to the second transmission line, and plays the audio/video content issued by the service device through the second transmission line.
In the embodiment of the invention, the switching time length exists when the audio and video playing device switches the receiving circuit, and the service device sends the audio and video contents of the audio and video file through the second transmission line when the real-time length of sending the audio and video contents through the first transmission line reaches the preset switching time length, so that the condition that the audio and video contents played by the audio and video playing device are lost due to the fact that the audio and video playing device switches the receiving circuit can be reduced, and the playing effect is improved. The preset switching duration is determined according to the switching duration of the audio and video playing device when the receiving circuit is switched, the preset switching duration is greater than or equal to the switching duration, and preferably, the preset switching duration is equal to the switching duration. Optionally, the switching duration may be determined by the service device according to a counted average value of durations of audio and video content deletion each time when the audio and video content deletion exists in the audio and video playing device for multiple times, which is not limited in the embodiment of the present invention. Therefore, the accuracy of the determined switching time length can be improved.
In the embodiment of the present invention, for example, the predetermined switching time length of the audio/video playing device when the receiving line is switched is 0.5 seconds, that is, the preset switching time length is 0.5 seconds. When the time length of the service equipment for issuing the audio and video contents through the first transmission line reaches 0.5 second, the service equipment starts to issue the audio and video contents through the second transmission line, namely, the time for issuing the audio and video contents of the audio and video files through the second transmission line is delayed by 0.5 second compared with the time for issuing the audio and video contents of the audio and video files through the first transmission line. If the audio and video content played by the audio and video playing device is within 1 minute and 10 seconds of the whole audio and video file, at this time, the audio and video content received by the audio and video playing device through the second transmission line is within 1 minute and 5 seconds of the whole audio and video file. Supposing that the audio and video playing device detects the first transmission circuit fault (namely, the audio and video content cannot be received through the first transmission circuit), the audio and video playing device takes 0.5 second for switching the circuit, and the audio and video content received through the second transmission circuit is just located in 1 minute 10 seconds of the whole audio and video file, so that the integrity of the played audio and video content is ensured.
As an optional implementation manner, the method for controlling an audio/video playing device to play an audio/video file may further include the following operations:
after detecting that the fault of the first transmission line is eliminated, the service equipment detects whether the audio and video content of the audio and video file is completely issued;
when the fact that the audio and video content of the audio and video file is not completely issued is detected, the service device determines the target time of the audio and video content issued through the second transmission line in the audio and video file, timing is started from the moment that the fault of the first transmission line is detected to be eliminated, when the timing duration reaches a certain switching duration, the service device sends the target audio and video content to the audio and video playing device through the first transmission line, wherein the starting time of the target audio and video content on the audio and video file is the target time. Compared with the mode of issuing the audio and video contents in a delayed manner by the second transmission line after the fault of the first transmission line is eliminated, the audio and video contents played by the audio and video playing device are reduced to be missing when the second transmission line is in fault, the integrity of the audio and video contents played by the audio and video playing device is ensured, and the playing effect of the audio and video playing device is further improved.
Optionally, the certain switching duration is equal to a switching duration for switching from the second transmission line to the first transmission line. The switching duration of the audio and video playing device from the first transmission line to the second transmission line can be equal to the switching duration from the second transmission line to the first transmission line, namely, a certain switching duration is equal to the preset switching duration; the switching duration of the audio/video playing device from the first transmission line to the second transmission line may not be equal to the switching duration from the second transmission line to the first transmission line, that is, a certain switching duration is not equal to the preset switching duration.
It can be seen that, by implementing the method for controlling the audio/video playing device to play the audio/video file described in fig. 1, the service device can issue the audio/video file through two transmission lines, where the time of issuing the audio/video file by one transmission line is later than the time of issuing the audio/video file by the other transmission line, and the time interval is determined by the switching duration, so that the occurrence of audio/video content missing can be reduced by delaying the issuing of the audio/video content of the audio/video file by the second transmission line, which is beneficial to ensuring the integrity of the audio/video content played by the audio/video playing device, and improving the playing effect.
Example two
Referring to fig. 2, fig. 2 is a schematic flowchart of another method for controlling an audio/video playing device to play an audio/video file according to an embodiment of the present invention. As shown in fig. 2, the method for controlling an audio/video playing device to play an audio/video file may include the following operations:
201. the service equipment counts transmission line fault information reported by mass target audio and video playing equipment, wherein the transmission line fault information comprises target duration of audio and video content lost when each target audio and video playing equipment has a fault in a transmission line.
In the embodiment of the invention, when a certain audio and video playing device with a playing task controlled by a service device plays the audio and video content of a corresponding audio and video file, the certain audio and video playing device can record the total effective playing time of the audio and video file, and compare the total effective playing time with the total effective playing time of the audio and video file, and when the total effective playing time is less than the total effective playing time of the audio and video file, the certain audio and video playing device confirms that the audio and video content is lost due to the fault of a transmission line in the playing process and generates the fault information of the transmission line. The transmission line fault information may at least include a target duration of the audio/video content lost by the certain audio/video playing device, where the target duration may be equal to a total duration of the audio/video file played by the certain audio/video playing device minus a total effective playing duration. The service device may count transmission line fault information reported by a mass of target audio/video playing devices received within a certain time period (e.g., within one month or within three months), where the number of the mass of target audio/video devices may be greater than or equal to a preset number threshold.
202. And the service equipment determines preset switching time length according to the target time length included by all the transmission line fault information.
203. The service equipment sends audio and video contents of the audio and video files needing to be played by the audio and video playing equipment to the audio and video playing equipment through the first transmission line.
204. The service equipment times the real-time duration of the audio and video content of the audio and video file transmitted through the first transmission line.
205. And when the real-time duration reaches the preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line.
In the embodiment of the present invention, when the real-time duration obtained by timing in step 204 does not reach the preset switching duration, step 204 may be repeatedly executed until the real-time duration obtained by timing reaches the preset switching duration.
Therefore, in the embodiment of the invention, the service equipment can determine the preset switching time length based on the mass data, so that the accuracy of the determined preset switching time length is improved, and the playing effect of the audio and video playing equipment is further improved.
In an optional embodiment, after the step 205 is performed, the method for controlling an audio and video playing device to play an audio and video file may further include the following operations:
206. the service equipment receives the total effective playing time fed back by the audio and video playing equipment, wherein the total effective playing time is fed back by the audio and video playing equipment after the audio and video file is played.
In the embodiment of the invention, the total effective playing time is the total time for the audio and video playing equipment to effectively play the audio and video contents of the audio and video file.
207. The service equipment judges whether the total effective playing time length is less than the total effective playing time length of the audio/video file, and if the judgment result in the step 207 is yes, the step 208 is triggered and executed; when the determination result in step 207 is negative, the present process may be ended.
208. The service equipment adjusts the preset switching duration to obtain a target switching duration, wherein the target switching duration is greater than the preset switching duration.
In the embodiment of the present invention, the adjusting, by the service device, the preset switching duration to obtain the target switching duration may include:
the service equipment determines a preset time length step which is smaller than the preset switching time length, optionally, the preset time length step can be equal to 1/n times of the preset switching time length, and n is a positive integer greater than or equal to 1;
the service equipment calculates the sum of the preset switching duration and the preset duration step length as the target switching duration.
It should be noted that, in the embodiment of the present invention, when the total effective playing time length is greater than the total time length of the audio/video file, the service device determines that the preset switching time length is longer, and the service device may calculate a difference between the preset switching time length and a preset time length step length, which is used as the preset switching time length when the audio/video content of the audio/video file is subsequently transmitted.
In the embodiment of the invention, after the preset switching time length is determined by the big data, the service equipment can also adaptively adjust the preset switching time length according to the actual switching condition of the audio and video playing equipment, so that the adjusted target switching time length is more consistent with the specific condition of the audio and video playing equipment.
In another optional embodiment, when the determination result in step 207 is yes and before step 208 is executed, the method for controlling the audio and video playing device to play the audio and video file may further include the following operations:
the service equipment outputs a switching duration adjustment prompt which is used for prompting whether to adjust the preset switching duration or not;
the service equipment detects whether a switching duration adjustment response aiming at the switching duration adjustment prompt is received, and if the switching duration adjustment response is received, the preset switching duration is adjusted to obtain the target switching duration.
Therefore, the optional embodiment can send a prompt to the operator or the monitoring personnel when the preset switching time needs to be adjusted is judged according to the total effective playing time fed back by the audio and video playing equipment, so that the operator and the monitoring personnel can determine whether to adjust the preset switching time according to actual conditions, and the reliability of adjusting the preset switching time is improved.
In yet another alternative implementation, the determining, by the service device, the preset switching duration according to the target duration included in all the transmission line fault information may include:
the service equipment calculates the average time length of target time lengths included by all transmission line fault information as preset switching time length; or,
the service equipment determines the equipment type and the accumulated use duration of each target audio and video playing equipment, and determines the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
the service equipment sets a corresponding weight value for each target audio and video playing equipment in the audio and video playing equipment set according to the difference value between the accumulated use time length of each target audio and video playing equipment in the audio and video playing equipment set and the accumulated use time length of the audio and video playing equipment, wherein the smaller the difference value is, the larger the weight value is, the larger the difference value is, and the smaller the weight value is;
the service equipment calculates the product of the weighted value of each target audio and video playing equipment in the audio and video playing equipment set and the target duration corresponding to the target audio and video playing equipment and the sum of all the products;
and the service equipment calculates the ratio of the sum of all the products to the number of the target audio and video playing equipment contained in the audio and video playing equipment set as preset switching duration.
It can be seen that, by implementing the method for controlling the audio/video playing device to play the audio/video file described in fig. 2, the service device can issue the audio/video file through two transmission lines, where the time of issuing the audio/video file by one transmission line is later than the time of issuing the audio/video file by the other transmission line, and the time interval is determined by the switching duration, so that the occurrence of audio/video content missing can be reduced by delaying the issuing of the audio/video content of the audio/video file through the second transmission line, and the playing effect of the audio/video playing device is improved; in addition, the preset switching time length can be determined based on mass data, so that the accuracy of the determined preset switching time length is improved, and the playing effect of the audio and video playing equipment is further improved; and after the preset switching time length is determined through the big data, the preset switching time length can be adaptively adjusted according to the actual switching condition of the audio and video playing equipment, so that the adjusted target switching time length is more consistent with the specific condition of the audio and video playing equipment, and a prompt is sent to an operator or a monitoring person under the condition that the preset switching time length needs to be adjusted is judged according to the effective playing total time length fed back by the audio and video playing equipment, so that the operator and the monitoring person can determine whether to adjust the preset switching time length according to the actual condition, and the reliability of adjusting the preset switching time length is improved.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a service device according to an embodiment of the present invention. As shown in fig. 3, the service apparatus may include:
the communication unit 301 is configured to send audio and video content of an audio and video file to be played by the audio and video playing device to the audio and video playing device through the first transmission line.
In the embodiment of the present invention, the transmission line between the service device and the audio/video playing device may include at least two transmission lines, where the at least two transmission lines include a wireless transmission line and an analog transmission line. And as the wireless transmission line has the advantages of high transmission speed, high transmission reliability and the like, the communication unit 301 can preferentially send the audio and video content of the audio and video file to be played to the audio and video playing device through the wireless transmission line. And after receiving the audio and video content sent by the service device through the wireless transmission line, the audio and video playing device needs to perform power amplification operation on the audio and video content first and then play the audio and video content.
In the embodiment of the present invention, specifically, the communication unit 301 may first detect whether the current time reaches a preset playing time, and when it is detected that the current time reaches the preset playing time, send the audio and video content of the audio and video file that needs to be played by the audio and video playing device to the audio and video playing device through the first transmission line. Therefore, the audio and video playing equipment can play the audio and video content on time.
The timing unit 302 is configured to time a real-time duration of audio and video content of the audio and video file issued by the communication unit 301 through the first transmission line.
In the embodiment of the present invention, the timing unit 302 starts timing from the initial time when the communication unit 301 issues the audio and video content of the audio and video file through the first transmission line, so as to obtain the real-time duration of issuing the audio and video content, where the real-time duration of issuing the audio and video content is the duration of playing the audio and video content in real time by the audio and video playing device.
The communication unit 301 is further configured to send the audio and video content of the audio and video file to the audio and video playing device through the second transmission line when the real-time duration obtained by timing by the timing unit 302 reaches the preset switching duration.
The audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in fault. Specifically, if the audio/video playing device cannot receive the audio/video content issued by the service device through the first transmission line, the audio/video playing device switches the receiving line of the audio/video playing device from the first transmission line to the second transmission line, and plays the audio/video content issued by the service device through the second transmission line.
It can be seen that, the service device described in fig. 3 can issue the audio/video file through two transmission lines, where the time of issuing the audio/video file through one transmission line is later than the time of issuing the audio/video file through the other transmission line, and the time interval is determined by the switching duration, so that the occurrence of audio/video content missing can be reduced in a manner of issuing the audio/video content of the audio/video file through the delay of the second transmission line, and the playing effect of the audio/video playing device is improved.
In an optional embodiment, as shown in fig. 4, the service device may further include:
the statistical unit 303 is configured to count transmission line fault information reported by a large number of target audio/video playback devices, where the transmission line fault information includes a target duration of audio/video content lost when a transmission line of each target audio/video playback device fails.
A determining unit 304, configured to determine the preset switching time length according to target time lengths included in all transmission line fault information.
In this optional embodiment, further optionally, the manner that the determining unit 304 determines the preset switching time length according to the target time lengths included in all transmission line fault information may specifically be:
calculating the average time length of the target time lengths included in the fault information of all the transmission lines as the preset switching time length; or,
determining the equipment type and the accumulated use duration of each target audio and video playing equipment, and determining the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
setting a corresponding weight value for each target audio and video playing device in the audio and video playing device set according to the difference value between the accumulated use time length of each target audio and video playing device in the audio and video playing device set and the accumulated use time length of the audio and video playing device;
calculating the product of the weight value of each target audio and video playing device in the audio and video playing device set and the target duration corresponding to the target audio and video playing device and the sum of all the products;
and calculating the ratio of the sum of all the products to the number of the target audio and video playing devices included in the audio and video playing device set as the preset switching duration.
Therefore, the service device described in fig. 4 can also determine the preset switching duration based on the mass data, so that the accuracy of the determined preset switching duration is improved, and the playing effect of the audio and video playing device is further improved.
In another alternative embodiment, as shown in fig. 4, the service device may further include a determining unit 305 and an adjusting unit 306, where:
the communication unit 301 may further be configured to receive a total effective playing duration fed back by the audio/video playing device, where the total effective playing duration is fed back by the audio/video playing device after the audio/video file is played, and the total effective playing duration is a total duration for the audio/video playing device to effectively play the audio/video content of the audio/video file.
The judging unit 305 is configured to judge whether the total effective playing time received by the communication unit 301 is less than the total time of the audio/video file.
An adjusting unit 306, configured to adjust the preset switching duration to obtain a target switching duration when the determining unit 305 determines that the total effective playing duration is smaller than the total duration of the audio/video file, where the target switching duration is greater than the preset switching duration.
When the determining unit 305 determines that the total effective playing duration is smaller than the total duration of the audio/video file, the adjusting unit 306 adjusts the preset switching duration, and the manner of obtaining the target switching duration may specifically be:
determining a preset time length step, wherein the preset time length step is smaller than the preset switching time length, optionally, the preset time length step can be equal to 1/n times of the preset switching time length, and n is a positive integer greater than or equal to 1;
and calculating the sum of the preset switching duration and the preset duration step length as the target switching duration.
Optionally, the adjusting unit 306 may be further configured to calculate a difference between the preset switching duration and a preset duration step length when the determining unit 305 determines that the total effective playing duration is greater than the total duration of the audio/video file, and use the difference as the preset switching duration when the audio/video content of the audio/video file is subsequently transmitted.
It can be seen that, the service device described in fig. 4 can also adaptively adjust the preset switching duration according to the actual switching situation of the audio/video playing device after determining the preset switching duration through the big data, so that the adjusted target switching duration better conforms to the specific situation of the audio/video playing device.
In this another optional embodiment, further optionally, as shown in fig. 4, the service device may further include an output unit 307 and a detection unit 308, where:
an output unit 307, configured to output a switching duration adjustment prompt after the determining unit 305 determines that the total effective playing duration is smaller than the total duration of the audio/video file, where the switching duration adjustment prompt is used to prompt whether to adjust a preset switching duration.
In this embodiment of the present invention, optionally, after the output unit 307 outputs the switching duration adjustment prompt, the detection unit 308 may be triggered to start.
The detecting unit 308 is configured to detect whether a switching duration adjustment response for the switching duration adjustment prompt is received.
The adjusting unit 306 is specifically configured to adjust the preset switching duration to obtain a target switching duration when the determining unit 305 determines that the total effective playing duration is smaller than the total duration of the audio/video file and when the detecting unit 308 detects that a switching duration adjustment response is received.
It can be seen that, the service device described in fig. 4 can also send a prompt to an operator or a monitoring person when the total effective playing time fed back by the audio/video playing device is determined to be required to adjust the preset switching time, so that the operator and the monitoring person can determine whether to adjust the preset switching time according to actual conditions, and the reliability of adjusting the preset switching time is improved.
In yet another optional embodiment, the detecting unit 308 may be further configured to detect whether the audio and video content of the audio and video file is completely issued after detecting that the fault of the first transmission line is eliminated; the determining unit 304 may be further configured to determine, when the detecting unit 308 detects that the audio/video content of the audio/video file is not completely issued, that the audio/video content issued through the second transmission line is at a target time of the audio/video file; the timing unit 302 may be further configured to start timing from a time when it is detected that the fault of the first transmission line is eliminated; the communication unit 301 may further be configured to send target audio and video content to the audio and video playing device through the first transmission line when the timing duration reaches a certain switching duration, where an initial time of the target audio and video content on the audio and video file is the target time, and the certain switching duration is equal to a switching duration for switching from the second transmission line to the first transmission line.
Therefore, the service device described in fig. 4 can also issue the audio and video content in a delayed manner compared with the second transmission line after the fault of the first transmission line is eliminated, so that the situation that the audio and video content played by the audio and video playing device is missing when the second transmission line is in fault can be reduced, the integrity of the audio and video content played by the audio and video playing device is ensured, and the playing effect of the audio and video playing device is further improved.
Example four
Referring to fig. 5, fig. 5 is a schematic structural diagram of another service device according to an embodiment of the present invention. As shown in fig. 5, the service apparatus may include:
a memory 501 in which executable program code is stored;
a processor 502 coupled to a memory 501;
the processor 502 calls the executable program code stored in the memory 501 to execute the steps in the method for controlling the audio/video playing device to play the audio/video file described in fig. 1 or fig. 2.
In this embodiment of the present invention, it should be noted that the processor 502 may be integrated by one chip or integrated by multiple chips, which is not limited in this embodiment of the present invention.
EXAMPLE five
The embodiment of the invention discloses a computer-readable storage medium which stores a computer program for electronic data exchange, wherein the computer program enables a computer to execute the steps in the method for controlling an audio and video playing device to play an audio and video file described in fig. 1 or fig. 2.
EXAMPLE six
An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer readable storage medium storing a computer program, and the computer program is operable to make a computer execute the steps in the method for controlling an audio/video playing device to play an audio/video file described in fig. 1 or fig. 2.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not imply an inevitable order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
In the embodiments provided herein, it should be understood that "B corresponding to A" means that B is associated with A from which B can be determined. It should also be understood, however, that determining B from a does not mean determining B from a alone, but may also be determined from a and/or other information.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. The integrated units, if implemented as software functional units and sold or used as a stand-alone product, may be stored in a computer accessible memory. Based on such understanding, the technical solution of the present invention, which is a part of or contributes to the prior art in essence, or all or part of the technical solution, can be embodied in the form of a software product, which is stored in a memory and includes several requests for causing a computer device (which may be a personal computer, a server, a network device, or the like, and may specifically be a processor in the computer device) to execute part or all of the steps of the above-described method of each embodiment of the present invention.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The method for controlling audio and video playing equipment to play audio and video files and the service equipment disclosed by the embodiment of the invention are described in detail, a specific embodiment is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A method for controlling audio and video playing equipment to play audio and video files is characterized by comprising the following steps:
the service equipment sends audio and video contents of the audio and video files needing to be played by the audio and video playing equipment to the audio and video playing equipment through a first transmission line;
the service equipment times the real-time duration of the audio and video content of the audio and video file transmitted through the first transmission line;
when the real-time duration reaches a preset switching duration, the service equipment sends the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line;
the audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in fault;
the service equipment receives the total effective playing time fed back by the audio and video playing equipment, wherein the total effective playing time is fed back by the audio and video playing equipment after the audio and video file is played, and the total effective playing time is the total effective playing time of the audio and video playing equipment for playing the audio and video content of the audio and video file;
the service equipment judges whether the total effective playing time length is less than the total time length of the audio and video files or not;
when the total effective playing time length is less than the total time length of the audio and video files, the service equipment determines a preset time length step which is less than the preset switching time length;
the service equipment calculates the sum of the preset switching duration and the preset duration step length as a target switching duration;
and the service equipment adjusts the preset switching duration to the target switching duration according to the actual switching condition of the audio and video playing equipment.
2. The method of claim 1, further comprising:
the service equipment counts transmission line fault information reported by massive target audio and video playing equipment, wherein the transmission line fault information comprises target duration of audio and video content lost when the transmission line of each target audio and video playing equipment is in fault;
and the service equipment determines the preset switching time length according to the target time length included by all the transmission line fault information.
3. The method according to claim 2, wherein the determining, by the service device, the preset switching duration according to the target duration included in all the transmission line fault information includes:
the service equipment calculates the average time length of the target time length included by all the transmission line fault information as the preset switching time length; or,
the service equipment determines the equipment type and the accumulated service time of each target audio and video playing equipment, and determines the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
the service equipment sets a corresponding weight value for each target audio and video playing equipment in the audio and video playing equipment set according to the difference value between the accumulated use time length of each target audio and video playing equipment in the audio and video playing equipment set and the accumulated use time length of the audio and video playing equipment;
the service equipment calculates the product of the weight value of each target audio and video playing equipment in the audio and video playing equipment set and the target duration corresponding to the target audio and video playing equipment and the sum of all the products;
and the service equipment calculates the ratio of the sum of all the products to the number of target audio and video playing equipment included in the audio and video playing equipment set as the preset switching duration.
4. The method according to claim 1, wherein after determining that the total effective playing duration is less than the total duration of the audio/video file, the service device adjusts the preset switching duration, and before obtaining a target switching duration, the method further comprises:
the service equipment outputs a switching duration adjustment prompt, and the switching duration adjustment prompt is used for prompting whether to adjust the preset switching duration or not;
and the service equipment detects whether a switching duration adjustment response aiming at the switching duration adjustment prompt is received, and if the switching duration adjustment response is received, the preset switching duration is adjusted to obtain a target switching duration.
5. A service device, characterized in that the service device comprises:
the communication unit is used for sending audio and video contents of an audio and video file needing to be played by the audio and video playing equipment to the audio and video playing equipment through a first transmission line;
the timing unit is used for timing the real-time duration of the audio and video content of the audio and video file issued by the communication unit through the first transmission line;
the communication unit is further used for sending the audio and video content of the audio and video file to the audio and video playing equipment through a second transmission line when the real-time duration reaches a preset switching duration;
the audio and video playing device is used for playing the audio and video content of the audio and video file issued by the first transmission line when the first transmission line is normal and playing the audio and video content of the audio and video file issued by the second transmission line when the first transmission line is in fault;
the communication unit is further configured to receive a total effective playing duration fed back by the audio/video playing device, where the total effective playing duration is fed back by the audio/video playing device after the audio/video file is played, and the total effective playing duration is a total duration for the audio/video playing device to effectively play audio/video content of the audio/video file;
the service device further includes:
the judging unit is used for judging whether the total effective playing time length is less than the total effective playing time length of the audio and video files;
the adjusting unit is used for determining a preset time length step when the judging unit judges that the total effective playing time length is less than the total time length of the audio and video files, and the preset time length step is less than the preset switching time length;
the adjusting unit is further configured to calculate a sum of the preset switching duration and the preset duration step length as a target switching duration;
the adjusting unit is further configured to adjust the preset switching duration to the target switching duration according to an actual switching condition of the audio/video playing device.
6. The service device of claim 5, wherein the service device further comprises:
the statistical unit is used for counting transmission line fault information reported by massive target audio and video playing devices, wherein the transmission line fault information comprises target duration of audio and video contents lost when each target audio and video playing device has a fault in a transmission line;
and the determining unit is used for determining the preset switching time length according to the target time length included by all the transmission line fault information.
7. The service device according to claim 6, wherein the determining unit determines the preset switching duration according to the target duration included in all the transmission line fault information in a specific manner:
calculating the average time length of the target time length included in all the transmission line fault information as the preset switching time length; or,
determining the equipment type and the accumulated use duration of each target audio and video playing equipment, and determining the target audio and video playing equipment with the equipment type same as that of the audio and video playing equipment from all the target audio and video playing equipment to obtain an audio and video playing equipment set;
setting a corresponding weight value for each target audio and video playing device in the audio and video playing device set according to the difference value between the accumulated use time of each target audio and video playing device in the audio and video playing device set and the accumulated use time of the audio and video playing device;
calculating the product of the weighted value of each target audio and video playing device in the audio and video playing device set and the target duration corresponding to the target audio and video playing device and the sum of all the products;
and calculating the ratio of the sum of all the products to the number of the target audio and video playing devices included in the audio and video playing device set as the preset switching duration.
8. The service device of claim 5, wherein the service device further comprises:
the output unit is used for outputting a switching duration adjustment prompt after the judging unit judges that the effective playing total duration is smaller than the total duration of the audio and video files, and the switching duration adjustment prompt is used for prompting whether to adjust the preset switching duration or not;
a detection unit, configured to detect whether a switching duration adjustment response to the switching duration adjustment prompt is received;
the adjusting unit is specifically configured to adjust the preset switching duration to obtain a target switching duration when the judging unit judges that the total effective playing duration is less than the total duration of the audio/video file and when the detecting unit detects that the switching duration adjustment response is received.
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