CN111367656B - Method for distributing media resources, computer equipment and storage medium - Google Patents
Method for distributing media resources, computer equipment and storage medium Download PDFInfo
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- CN111367656B CN111367656B CN202010104045.9A CN202010104045A CN111367656B CN 111367656 B CN111367656 B CN 111367656B CN 202010104045 A CN202010104045 A CN 202010104045A CN 111367656 B CN111367656 B CN 111367656B
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
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Abstract
The invention discloses a method for distributing media resources, a computer device and a storage medium, wherein the method comprises the following steps: establishing an allocable DSP queue; through the residual capacity inquiry function provided by the DSP, periodically inquiring the residual capacity of each DSP in the allocable DSP queue to obtain the DSP with the maximum residual capacity; setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number. Because all started DSPs in the system are arranged in the same list, the DSP with the largest residual capacity is selected from the list for distributing media resources, and therefore, the DSP with the largest residual capacity does not need to be found again every time a call is made. Thereby improving the distribution efficiency of the media resources. Meanwhile, the residual capacity query function of the DSP is utilized, and a new device instruction is not needed, so that the method has wide adaptability.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for allocating media resources, a computer device, and a storage medium.
Background
DSP is an abbreviation of digital signal processor (Digital Signal Process) and is a special chip for digital signal processing. According to the coding and decoding type and the maximum channel number provided by the DSP manufacturer, if the total capacity of a DSP is 1000, the resource which one path of a certain coding and decoding should occupy is 1000/the maximum channel number supporting the coding and decoding, so that the maximum channel number of 1000/certain coding and decoding needs to be subtracted from the total capacity when one DSP channel is opened. If the system supports N DSPs, each time the media resource is allocated, the remaining capacity of each DSP needs to be compared, the DSP with the largest capacity is found out, and the media resource is allocated on the DSP. There may actually be two resource types inside the DSP, one being ARM (Advanced RISC Machine) resources that are mainly responsible for the unpacking and packetizing functions, and the other being SPU resources that are responsible for the codec algorithms. Some codecs require more ARM resources (G711, because the number of bytes is 160 bytes for the same 20ms duration code), and some codecs require more SPU resources (e.g., G729, which has high algorithm complexity, and 10 bytes for the 20ms duration code). Whereas its features supported in the channel, such as echo cancellation, only require SPU resources, conference calls require ARM resources, and the checking and generation of tones in turn require ARM and SPU resources. The previous method is not very accurate and the DSP with the largest remaining capacity is found for each call, affecting the efficiency of the allocation.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The invention aims to solve the technical problem that the distribution efficiency of media resources on a DSP is low in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
in a first aspect, an embodiment of the present invention provides a method for allocating media resources, the method including:
establishing an allocable DSP queue;
through the residual capacity inquiry function provided by the DSP, periodically inquiring the residual capacity of each DSP in the allocable DSP queue to obtain the DSP with the maximum residual capacity;
setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number.
The method for distributing media resources further comprises the following steps: setting a DSP resource early warning, when the DSP low resource early warning is monitored, removing the DSP which sends the low resource early warning from the allocable DSP queue, finding out the DSP with the largest residual capacity from the residual DSPs in the allocable DSP queue, setting the DSP as a second residual DSP resource number, and allocating media resources on the second residual DSP resource number.
The method for distributing media resources, wherein when the DSP high-resource early warning is monitored, the DSP which sends the high-resource early warning is added into the allocable DSP queue.
The method for allocating media resources, wherein the querying, by using the residual capacity querying function provided by the DSP, periodically queries the residual capacity of each DSP in the allocable DSP queue to obtain the DSP with the largest residual capacity, includes:
and periodically inquiring the residual capacity of ARM and SPU of each DSP through the residual capacity inquiry function provided by the DSP, and comparing the ARM and SPU capacity of each DSP in a small participation way to obtain the DSP with the maximum residual capacity.
In the method for allocating media resources, if the DSP low-resource early warning is monitored in a period of time, the DSP that sends the low-resource early warning is removed from the allocable DSP queue, the DSP with the largest residual capacity is found out from the DSPs that remain in the allocable DSP queue, and is set as a second remaining DSP resource number, and the media resources are allocated on the second remaining DSP resource number.
The method for distributing media resources, wherein the interval time of the period is 1-5 minutes.
The method for distributing media resources, wherein when the residual capacity of the DSP is less than 5%, sends out low-resource early warning.
In the method for distributing media resources, when the residual capacity of the DSP is more than 20%, a high-resource early warning is sent out.
In a second aspect, a computer device, comprising a processor, a memory, and one or more programs for allocating media resources, wherein the one or more programs for allocating media resources are stored in the memory, and configured to implement the steps in a method for allocating media resources as described above when the one or more programs for allocating media resources are executed by the one or more processors.
In a third aspect, a storage medium, wherein instructions in the storage medium, when executed by a processor of an electronic device, enable the electronic device to perform the method as described above.
The invention has the beneficial effects that: the invention establishes an allocable DSP queue; the residual capacity of each DSP in the allocatable DSP queue is periodically inquired through the residual capacity inquiry function of the DSP, so that the DSP with the maximum residual capacity is obtained; setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number. Because all started DSPs in the system are arranged in the same list, the DSP with the largest residual capacity is selected from the list for distributing media resources, and therefore, the DSP with the largest residual capacity does not need to be found again every time a call is made. Thereby improving the distribution efficiency of the media resources. Meanwhile, the residual capacity query function of the DSP is utilized, and a new device instruction is not needed, so that the method has wide adaptability.
Drawings
FIG. 1 is a schematic diagram of the internal hardware components of a DSP.
Fig. 2 is a flowchart of a method for allocating media resources according to a preferred embodiment of the present invention.
FIG. 3 is a flow chart of a method for allocating media resources according to an embodiment of the present invention.
FIG. 4 is a functional schematic of a computer device according to the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the prior art, when the media resources are allocated on the DSP, the number of the remaining capacity of each DSP needs to be compared, the DSP with the largest remaining capacity is found out, the media resources are allocated on the DSP, and the DSP with the largest remaining capacity needs to be found again for each call, so that the allocation efficiency of the media resources is affected.
In order to solve the above-mentioned problem, in the embodiment of the present invention, when media resources need to be allocated, an allocable list is established for all started DSPs, and the DSP in the list represents all started DSPs in the device, then the remaining capacity of the DSP in the allocable list is queried by calling the remaining capacity query function of the DSP and a certain period, so as to find out the DSP with the largest remaining capacity, which is the preferred DSP for media resource allocation, in other words, when media resources need to be allocated, the DSP is allocated. The method periodically inquires the residual capacity of the DSP, and picks out the maximum residual capacity from the residual capacity, so that the searching is not needed again for each call, and the distribution efficiency of media resources is improved.
Various non-limiting embodiments of the present invention are described in detail below with reference to the attached drawing figures.
Exemplary method
Referring to fig. 2-3, the present embodiment provides a method for allocating media resources, the method including the steps of:
step S100, establishing an allocatable DSP queue.
Specifically, all started DSPs are input into a pre-established allocatable DSP queue, and the host can perform centralized allocation on DSPs in the allocatable DSP queue.
Step 200, periodically inquiring the residual capacity of each DSP in the allocatable DSP queue through the residual capacity inquiry function provided by the DSP to obtain the DSP with the maximum residual capacity;
specifically, because the DSPs provide the function of querying the residual resources, the residual capacity of each DSP in the allocatable DSP queue can be queried periodically by using the function of querying the residual capacity provided by the DSP to obtain the residual capacity data of each DSP, and the obtained residual capacity data can be ordered, for example, the ordering can be from small to large, and can be from large to small. And selecting one DSP with the largest residual capacity for standby.
In this embodiment, in conjunction with fig. 1, the dsp internal hardware components include two ARM processors, implementing grouping and unpacking of RTP packets, and one SPU Array (SPU group), where RTP is an abbreviation for Real-time transport protocol (Real-time Transport Protocol). Which represents a network transmission protocol, is a common protocol in audio and video uploading. The SPU (Signal Processing Unit signal processing unit) group is responsible for the codec algorithm. Since each DSP has a residual capacity inquiry function, the number of the ARM resources and the SPU resources remaining in the DSP can be periodically inquired through the residual capacity inquiry function; each DSP takes part in the comparison of the residual capacity of each DSP by the minimum value of the residual resources of ARM and SPU, and takes the DSP with the maximum residual capacity for standby.
Because some codecs require more ARM resources (e.g., G711, because the same is a 20ms duration code, the number of bytes is 160 bytes), some codecs require more SPU resources (e.g., G729, which is a high algorithm complexity, and the 20ms duration code, the number of bytes is 10 bytes). Whereas its features supported in the channel, such as echo cancellation, only require SPU resources, conference calls require ARM resources, and the checking and generation of tones in turn require ARM and SPU resources. Therefore, by distinguishing the internal resources of the DSP, the resource allocation can be more reasonable.
And step S300, setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number.
Specifically, the first remaining DSP resource number indicates that, in a period, media resources that need to be allocated are allocated directly on the DSP.
In one or more embodiments, a DSP resource alert is set, that is, when a DSP low resource alert is detected, a DSP that sends the low resource alert is removed from the allocable DSP queue, and a DSP with the largest remaining capacity is found out from the remaining DSPs in the allocable DSP queue, and is set as a second remaining DSP resource number, and a media resource is allocated on the second remaining DSP resource number.
Specifically, a resource early warning may be set for the capacity of the DSP, i.e. when the remaining capacity (resource) of the DSP is smaller than a certain threshold (e.g. 5%), a low resource early warning is sent out. And when the residual capacity (resource) of the DSP is larger than a certain threshold (such as 20%), a high-resource early warning is sent out. The thresholds are set to 5% and 20% in order to reduce the unallocated/allocable state switching too fast, a resource reservation of 5% ensures that allocated resources are available. When the DSP low-resource early warning is monitored, the residual capacity of the DSP is smaller, in order to ensure that the allocated resources are available, the DSP which sends the low-resource early warning is removed from the allocable DSP queue, the DSP with the largest residual capacity is found out from the DSPs which remain in the allocable DSP queue, the DSP is set as a second residual DSP resource number, and the media resources are allocated on the second residual DSP resource number.
Further, when the DSP high-resource early warning is monitored, the DSP which sends the high-resource early warning is added into the allocable DSP queue.
Specifically, when the DSP high-resource early warning is monitored, the DSP residual resources, which are removed from the allocatable DSP queue due to the low-resource early warning, are restored from low to a state capable of participating in allocation, and are added into the allocatable DSP queue again.
In one embodiment, if the DSP low-resource early warning is detected within a period of time, the DSP that sends the low-resource early warning is removed from the allocable DSP queue, and the DSP with the largest remaining capacity is found out from the remaining DSPs in the allocable DSP queue, and is set as a second remaining DSP resource number, and the media resource is allocated on the second remaining DSP resource number.
Specifically, for example, the cycle time interval is set to be 5 minutes, and within the set 5 minutes, when the low resource pre-warning is detected, the DSP sending the low resource pre-warning is removed from the allocable DSP queue, the DSP with the largest residual capacity is found out from the DSPs remained in the allocable DSP queue, and is set as a second residual DSP resource number, and the media resource is allocated on the second residual DSP resource number. At this time, it is indicated that the remaining resources of the DSP being used for resource allocation are insufficient, and a new DSP needs to be replaced, and since the remaining capacity of each DSP in the allocable DSP queue is known at this time, the DSP with the largest remaining capacity is directly used for participating in resource allocation, and so on, and the remaining capacity of each DSP does not need to be compared and selected again. Of course, if the set 5 minutes has been completed, this indicates that the next cycle time is to be entered, and then the remaining resources of each DSP of the allocable list are queried to find the largest DSP to allocate resources.
In some real-time modes, the period is 1-5 minutes apart. Alternatively, the period interval is 1 minute, 3 minutes, 5 minutes. If the period interval is less than 1 minute, the inquiry is made too frequently, wasting system resources. If the period interval time is longer than 5 minutes, newly added DSPs (DSPs sending high-resource early warning) are easy to occur, and cannot timely participate in resource allocation, so that reasonable allocation of resources is affected.
Based on the above embodiment, the present invention also provides a computer device, and a functional block diagram thereof may be shown in fig. 4. The computer device includes a processor 10, a memory 20, a communication bus 30, a communication interface 50, and a display screen 60 connected by a system bus. The processor 10 of the control system is used to provide computing and control capabilities, including a CPU and a peripheral interface device DSP. The memory of the control system comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media.
It will be appreciated by those skilled in the art that the functional block diagram shown in FIG. 4 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular control system may include more or fewer components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided that includes a processor 10, a memory 20, and one or more programs that allocate media resources, wherein the one or more programs that allocate media resources are stored in the memory and are configured to be executed by the one or more processors as follows:
establishing an allocable DSP queue;
through the residual capacity inquiry function provided by the DSP, periodically inquiring the residual capacity of each DSP in the allocable DSP queue to obtain the DSP with the maximum residual capacity;
setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
In summary, the present invention establishes an allocable DSP queue; the residual capacity of each DSP in the allocatable DSP queue is periodically inquired through the residual capacity inquiry function of the DSP, so that the DSP with the maximum residual capacity is obtained; setting the DSP with the maximum residual capacity as a first residual DSP resource number, and distributing media resources on the first residual DSP resource number. Because all started DSPs in the system are arranged in the same list, the DSP with the largest residual capacity is selected from the list for distributing media resources, and therefore, the DSP with the largest residual capacity does not need to be found again every time a call is made. Thereby improving the distribution efficiency of the media resources. Meanwhile, the residual capacity query function of the DSP is utilized, and a new device instruction is not needed, so that the method has wide adaptability.
Meanwhile, the resources in the DSPs are distinguished, when the DSP with the largest residual capacity is selected, each DSP is used for participating in the comparison of the residual capacity of each DSP by using the minimum value of the residual resources of ARM and SPU, and the DSP with the largest residual capacity is used for distributing media resources, so that the resource distribution is more reasonable and the usability of the distributed resources is ensured.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (6)
1. A method of allocating media resources, the method comprising:
establishing an allocable digital signal processor queue;
the residual capacity inquiry function provided by the digital signal processor is used for periodically inquiring the residual capacity of each digital signal processor in the allocatable digital signal processor queue to obtain the digital signal processor with the maximum residual capacity;
setting the digital signal processor with the largest residual capacity as a first residual digital signal processor resource number, and distributing media resources on the first residual digital signal processor resource number;
the residual capacity inquiry function provided by the digital signal processor periodically inquires the residual capacity of each digital signal processor in the allocatable digital signal processor queue to obtain the digital signal processor with the largest residual capacity, and the residual capacity inquiry function comprises the following steps:
the method comprises the steps of periodically inquiring the residual capacity of a processor responsible for the unpacking and packing functions of each digital signal processor and a signal processing unit through a residual capacity inquiring function provided by the digital signal processor, and comparing the small and medium capacity participation of the processor responsible for the unpacking and packing functions of each digital signal processor and the signal processing unit to obtain the digital signal processor with the maximum residual capacity;
when the high-resource early warning of the digital signal processor is monitored, adding the digital signal processor which sends the high-resource early warning into the queue of the allocable digital signal processor;
if the low-resource early warning of the digital signal processor is monitored within one period time, the digital signal processor sending the low-resource early warning is removed from the allocable digital signal processor queue, the digital signal processor with the largest residual capacity is found out from the residual digital signal processors in the allocable digital signal processor queue, the digital signal processor is set as a second residual digital signal processor resource number, and the media resource is allocated on the second residual digital signal processor resource number.
2. The method of allocating media resources of claim 1, wherein the period is 1-5 minutes apart.
3. The method of claim 1, wherein a low resource alert is issued when the remaining capacity of the digital signal processor is less than 5%.
4. The method of claim 1, wherein a high resource alert is issued when the remaining capacity of the digital signal processor is greater than 20%.
5. A computer device comprising a processor, a memory, and one or more programs for allocating media resources, wherein the one or more programs for allocating media resources are stored in the memory and configured to implement the steps of a method for allocating media resources as claimed in any one of claims 1-4 when the one or more programs for allocating media resources are executed by the one or more processors.
6. A storage medium, characterized in that instructions in the storage medium, when executed by a processor of an electronic device, enable the electronic device to perform the method of any one of claims 1-4.
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