CN117707467A - Audio path multi-host control method, system, device and storage medium - Google Patents
Audio path multi-host control method, system, device and storage medium Download PDFInfo
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Abstract
An audio path multi-host control method, system, apparatus, and computer readable storage medium, comprising: loading an audio path diagram, and creating a Pipeline to a DSP audio system through a control channel based on the audio path diagram so that a multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel; the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system at least comprises a first host and a second host, and combines unified analysis and independent control modes to achieve the identification of a plurality of hosts on an audio channel, so that related pipeline can be independently controlled, the control of a shared component is initiated by a single host to achieve consistency, and the technical problem of audio signal delay in the related art is solved.
Description
Technical Field
The present disclosure relates to the field of signal control, and in particular, to a method, a system, an apparatus, and a computer readable storage medium for controlling multiple hosts in an audio path.
Background
The multi-host audio path control system uses a division mode of physical field to access and control audio paths of a plurality of host audio subsystems which are taken as cores by a DSP (audio processor) in a vehicle or other SoCs. However, when the audio channel is accessed and controlled, the audio channel can be accessed through different applications due to different audio application scenes of each host, and the audio device has a shared design among a plurality of applications. Therefore, when the audio channel is designed, the independent control is carried out by introducing respective Pipeline based on the task application requirements of multiple hosts, and the audio equipment is required to be shared through a unified audio channel.
At present, an audio channel is accessed by adopting a virtualization mechanism mode, but different virtual machine parts and virtual machine host parts of the audio channel are required to be cut in advance and then are respectively given to each virtual machine and virtual machine host; or, a master-slave system is adopted to divide the audio path statically in advance, and a part of the audio path is placed in the slave and the rest of the audio path is placed in the host, but both the two methods can cause the problem of audio signal delay.
Disclosure of Invention
The application provides an audio path multi-host control method, an audio path multi-host control system, an audio path multi-host control device and a computer readable storage medium, which can solve the technical problem of audio signal delay in the prior art.
In a first aspect, an embodiment of the present application provides an audio path multi-host control method, where the multi-host audio path control method includes:
loading an audio path diagram, and creating a Pipeline to a DSP audio system through a control channel based on the audio path diagram so that a multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
With reference to the first aspect, in an embodiment, the Pipeline includes a first Pipeline, a second Pipeline, and a third Pipeline;
the first Pipeline comprises an interface component 1_1, a memory component 1_1, an algorithm component 1_1 and a memory component 1_2;
the second Pipeline comprises an interface component 2_1, a memory component 2_1, an algorithm component 2_1 and a memory component 2_2;
the third Pipeline comprises an interface component 3, a memory component 3 and an algorithm component 3.
With reference to the first aspect, in an embodiment, the Pipeline includes a first Pipeline, a second Pipeline, and a third Pipeline; the method for enabling the multi-host system to initiate component control to a Pipeline in the DSP audio system through the control channel comprises the following steps:
the first host initiates component control to the first Pipeline and the third Pipeline in the DSP audio system through a first control channel;
the second host initiates component control to the second Pipeline in the DSP audio system through a first control channel.
With reference to the first aspect, in an embodiment, the Pipeline includes a first Pipeline, a second Pipeline, and a third Pipeline, where the third Pipeline is a shared portion, the first Pipeline is the first host, the second Pipeline is an independent portion of the second host, or the first Pipeline is an independent portion of the second host, and the second Pipeline is an independent portion of the first host.
In a second aspect, embodiments of the present application provide an audio path multi-host control system, the multi-host audio path control system including:
a multi-host system and an audio DSP system;
the multi-host system comprises a first host and a second host, is similar to loading an audio path diagram, sends creation information carried by the audio path diagram to the audio DSP system through a control channel, and initiates component control to a Pipeline in the DSP audio system through the control channel;
the audio DSP system is used for receiving the creation information sent by the host system and creating a Pipeline based on the creation information;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
With reference to the second aspect, in one embodiment, the Pipeline includes a first Pipeline, a second Pipeline, and a third Pipeline; the initiating component control to Pipeline in the DSP audio system through the control channel comprises the following steps:
the first host initiates component control to the first Pipeline and the third Pipeline in the DSP audio system through a first control channel;
the second host initiates component control to the second Pipeline in the DSP audio system through a first control channel.
With reference to the second aspect, in an embodiment, the Pipeline includes a first Pipeline, a second Pipeline, and a third Pipeline, where the third Pipeline is a shared portion, the first Pipeline is the first host, the second Pipeline is an independent portion of the second host, or the first Pipeline is an independent portion of the second host, and the second Pipeline is an independent portion of the first host.
In a third aspect, embodiments of the present application provide an audio path multi-host control device, including:
the loading and controlling module is used for loading the audio path diagram, creating a Pipeline to the DSP audio system through a control channel based on the audio path diagram, and enabling the multi-host system to initiate component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
In a fourth aspect, an embodiment of the present application provides an audio path multi-host control device, where the audio path multi-host control device includes a processor, a memory, and an audio path multi-host control program stored on the memory and executable by the processor, where the audio path multi-host control program, when executed by the processor, implements the steps of the audio path multi-host control method as described above.
In a fifth aspect, an embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores an audio path multi-host control program, where the audio path multi-host control program, when executed by a processor, implements the steps of the audio path multi-host control method as described above.
The beneficial effects that technical scheme that this application embodiment provided include:
creating a Pipeline to a DSP audio system through a control channel based on the audio path diagram by loading the audio path diagram, so that a multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel; the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system at least comprises a first host and a second host, and combines unified analysis and independent control modes to achieve the identification of a plurality of hosts on an audio channel, so that related pipeline can be independently controlled, the control of a shared component is initiated by a single host to achieve consistency, and the technical problem of audio signal delay in the related art is solved.
Drawings
FIG. 1 is a flow chart of an embodiment of an audio path multi-host control method of the present application;
FIG. 2 is a schematic diagram of a scenario of an embodiment of an audio path multi-host control method according to the present application;
FIG. 3 is a system diagram of an embodiment of an audio path multi-host control system of the present application;
FIG. 4 is a schematic diagram of an embodiment of an audio path multi-host control system according to the present application;
FIG. 5 is a schematic diagram of functional modules of an embodiment of an audio path multi-host control device according to the present application;
fig. 6 is a schematic hardware structure of an audio path multi-host control device according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
First, some technical terms in the present application are explained so as to facilitate understanding of the present application by those skilled in the art.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In a first aspect, embodiments of the present application provide an audio path multi-host control method.
In an embodiment, referring to fig. 1, fig. 1 is a flowchart of a first embodiment of an audio path multi-host control method according to the present application. As shown in fig. 1, the audio path multi-host control method includes:
step S10: loading an audio path diagram, and creating a Pipeline to a DSP audio system through a control channel based on the audio path diagram so that a multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
Illustratively, the audio path graph is loaded, and after the loaded audio path graph, a Pipeline is created to the DSP audio system through the control channel. For example, as shown in FIG. 2, a multi-host system includes at least two hosts, a first host and a second host. The first host creates a Pipeline1 to the DSP audio system through a control channel 1 based on an interface component 1_1, a memory component 1_1, an algorithm component 1_1 and a memory component 1_2 in the audio path diagram, wherein the Pipeline1 comprises the interface component 1_1, the memory component 1_1, the algorithm component 1_1 and the memory component 1_2; the first host creates a Pipeline3 to the DSP audio system through the control channel 1 based on the interface component 3, the memory component 3 and the algorithm component 3 in the audio path diagram, wherein the Pipeline3 comprises the interface component 3, the memory component 3 and the algorithm component 3. The second host creates a Pipeline2 to the DSP audio system through the control channel 2 based on the interface component 2_1, the memory component 2_1, the algorithm component 2_1 and the memory component 2_2 in the audio path diagram, wherein the Pipeline2 comprises the interface component 2_1, the memory component 2_1, the algorithm component 2_1 and the memory component 2_2.
The first host operating system initiates control of components to the DSP audio system through control drivers and through control channel 1, for example: interface assembly 1_1. The second host operating system initiates control of the components to the DSP audio system by controlling the drivers and by controlling channel 1, for example: memory element 2_1. The first host operating system initiates control of components to the DSP audio system through control drivers and through control channel 1, for example: algorithm component 3. The third Pipeline is a shared portion, the first Pipeline or the second Pipeline is an independent portion of the first host or the second host, the first Pipeline or the second Pipeline is an independent portion of the second host, for example, the first Pipeline is an independent portion of the first host, the second Pipeline is an independent portion of the second host, or the first Pipeline is an independent portion of the second host, and the second Pipeline is an independent portion of the first host. One of the multiple hosts controls the shared portion, and the other hosts control respective independent portions.
In this embodiment, by considering both unified parsing and independent control modes, the recognition of the audio paths by multiple hosts is achieved, so that the related pipeline can be controlled independently, so that the control of the shared component is initiated by a single host to achieve consistency, and the technical problem of audio signal delay in the related art is solved.
In a second aspect, embodiments of the present application further provide an audio path multi-host control system.
In an embodiment, referring to fig. 3, fig. 3 is a flowchart of a second embodiment of the audio path multi-host control system of the present application. As shown in fig. 3, the audio path multi-host control system includes:
a multi-host system 10 and an audio DSP system 20;
the multi-host system 10 includes a first host and a second host, which are the same as loading an audio path diagram, and sends creation information carried by the audio path diagram to the audio DSP system through a control channel, and initiates component control to a Pipeline in the DSP audio system through the control channel;
the audio DSP system 20 is configured to receive the creation information sent by the host system, and create a Pipeline based on the creation information;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
Exemplary, as shown in fig. 4, the multi-host system includes a file system software interface, an audio path diagram in the disk is loaded into the memory through the file system software interface, and the audio path diagram loaded into the memory is parsed by a parser to obtain component information in the audio path diagram. The Pipeline is created to the DSP audio system through a control channel by a controller and a control driver. The DSP audio system creates a Pipeline by controlling the driver upon receiving the component information in the audio path diagram. For example, a multi-host system includes at least two hosts, a first host and a second host. The first host creates a Pipeline1 to the DSP audio system through a control channel 1 based on an interface component 1_1, a memory component 1_1, an algorithm component 1_1 and a memory component 1_2 in the audio path diagram, wherein the Pipeline1 comprises the interface component 1_1, the memory component 1_1, the algorithm component 1_1 and the memory component 1_2; the first host creates a Pipeline3 to the DSP audio system through the control channel 1 based on the interface component 3, the memory component 3 and the algorithm component 3 in the audio path diagram, wherein the Pipeline3 comprises the interface component 3, the memory component 3 and the algorithm component 3. The second host creates a Pipeline2 to the DSP audio system through the control channel 2 based on the interface component 2_1, the memory component 2_1, the algorithm component 2_1 and the memory component 2_2 in the audio path diagram, wherein the Pipeline2 comprises the interface component 2_1, the memory component 2_1, the algorithm component 2_1 and the memory component 2_2.
The first host operating system initiates control of components to the DSP audio system through control drivers and through control channel 1, for example: interface assembly 1_1. The second host operating system initiates control of the components to the DSP audio system by controlling the drivers and by controlling channel 1, for example: memory element 2_1. The first host operating system initiates control of components to the DSP audio system through control drivers and through control channel 1, for example: algorithm component 3. The third Pipeline is a shared portion, the first Pipeline or the second Pipeline is an independent portion of the first host or the second host, the first Pipeline or the second Pipeline is an independent portion of the second host, for example, the first Pipeline is an independent portion of the first host, the second Pipeline is an independent portion of the second host, or the first Pipeline is an independent portion of the second host, and the second Pipeline is an independent portion of the first host. One of the multiple hosts controls the shared portion, and the other hosts control respective independent portions.
In this embodiment, by considering both unified parsing and independent control modes, the recognition of the audio paths by multiple hosts is achieved, so that the related pipeline can be controlled independently, so that the control of the shared component is initiated by a single host to achieve consistency, and the technical problem of audio signal delay in the related art is solved.
In a third aspect, embodiments of the present application further provide an audio path multi-host control apparatus.
In an embodiment, referring to fig. 5, fig. 5 is a schematic functional block diagram of an embodiment of an audio path multi-host control device of the present application. As shown in fig. 5, the audio path multi-host control apparatus includes:
the loading and controlling module 30 is configured to load an audio path diagram, acquire creation information carried by the audio path diagram, and create a Pipeline to a DSP audio system through a control channel, so that the multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
The function implementation of each module in the audio path multi-host control device corresponds to each step in the embodiment of the audio path multi-host control method, and the function and implementation process of each module are not described in detail herein.
In a fourth aspect, embodiments of the present application provide an audio path multi-host control device, which may be a personal computer (personal computer, PC), a notebook computer, a server, or the like, having a data processing function.
Referring to fig. 6, fig. 6 is a schematic hardware structure of an audio path multi-host control device according to an embodiment of the present application. In embodiments of the present application, an audio path multi-host control device may include a processor, a memory, a communication interface, and a communication bus.
The communication bus may be of any type for implementing the processor, memory, and communication interface interconnections.
The communication interfaces include input/output (I/O) interfaces, physical interfaces, logical interfaces, and the like for implementing device interconnections within the audio path multi-host control apparatus, and interfaces for implementing interconnection of the audio path multi-host control apparatus with other apparatuses (e.g., other computing apparatuses or user apparatuses). The physical interface may be an ethernet interface, a fiber optic interface, an ATM interface, etc.; the user device may be a Display, a Keyboard (Keyboard), or the like.
The memory may be various types of storage media such as random access memory (randomaccess memory, RAM), read-only memory (ROM), nonvolatile RAM (non-volatileRAM, NVRAM), flash memory, optical memory, hard disk, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (electrically erasable PROM, EEPROM), and the like.
The processor may be a general-purpose processor, and the general-purpose processor may call the audio path multi-host control program stored in the memory and execute the audio path multi-host control method provided in the embodiment of the present application. For example, the general purpose processor may be a central processing unit (central processing unit, CPU). The method executed when the audio path multi-host control program is called may refer to various embodiments of the audio path multi-host control method of the present application, and will not be described herein.
Those skilled in the art will appreciate that the hardware configuration shown in fig. 6 is not limiting of the application and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
In a fifth aspect, embodiments of the present application also provide a computer-readable storage medium.
The computer readable storage medium of the present application stores an audio path multi-host control program, wherein the audio path multi-host control program, when executed by a processor, implements the steps of the audio path multi-host control method described above.
The method implemented when the audio path multi-host control program is executed may refer to various embodiments of the audio path multi-host control method of the present application, which are not described herein.
It should be noted that, the foregoing embodiment numbers are merely for describing the embodiments, and do not represent the advantages and disadvantages of the embodiments.
The terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the foregoing drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus. The terms "first," "second," and "third," etc. are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order, and are not limited to the fact that "first," "second," and "third" are not identical.
In the description of embodiments of the present application, "exemplary," "such as," or "for example," etc., are used to indicate an example, instance, or illustration. Any embodiment or design described herein as "exemplary," "such as" or "for example" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary," "such as" or "for example," etc., is intended to present related concepts in a concrete fashion.
In the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and in addition, in the description of the embodiments of the present application, "plural" means two or more than two.
In some of the processes described in the embodiments of the present application, a plurality of operations or steps occurring in a particular order are included, but it should be understood that these operations or steps may be performed out of the order in which they occur in the embodiments of the present application or in parallel, the sequence numbers of the operations merely serve to distinguish between the various operations, and the sequence numbers themselves do not represent any order of execution. In addition, the processes may include more or fewer operations, and the operations or steps may be performed in sequence or in parallel, and the operations or steps may be combined.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising several instructions for causing a terminal device to perform the method described in the various embodiments of the present application.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.
Claims (10)
1. An audio path multi-host control method, characterized in that the multi-host audio path control method comprises the following steps:
loading an audio path diagram, and creating a Pipeline to a DSP audio system through a control channel based on the audio path diagram so that a multi-host system initiates component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
2. The audio path multi-host control method of claim 1, wherein the Pipeline comprises a first Pipeline, a second Pipeline, and a third Pipeline;
the first Pipeline comprises an interface component 1_1, a memory component 1_1, an algorithm component 1_1 and a memory component 1_2;
the second Pipeline comprises an interface component 2_1, a memory component 2_1, an algorithm component 2_1 and a memory component 2_2;
the third Pipeline comprises an interface component 3, a memory component 3 and an algorithm component 3.
3. The audio path multi-host control method of claim 1, wherein the Pipeline comprises a first Pipeline, a second Pipeline, and a third Pipeline; the method for enabling the multi-host system to initiate component control to a Pipeline in the DSP audio system through the control channel comprises the following steps:
the first host initiates component control to the first Pipeline and the third Pipeline in the DSP audio system through a first control channel;
the second host initiates component control to the second Pipeline in the DSP audio system through a first control channel.
4. The audio path multi-host control method of claim 1, wherein the Pipeline comprises a first Pipeline, a second Pipeline, and a third Pipeline, the third Pipeline being a shared portion, the first Pipeline being a separate portion of the first host, the second Pipeline being a separate portion of the second host, or the first Pipeline being a separate portion of the second host, the second Pipeline being a separate portion of the first host.
5. An audio path multi-host control system, the multi-host audio path control system comprising:
a multi-host system and an audio DSP system;
the multi-host system comprises a first host and a second host, is similar to loading an audio path diagram, sends creation information carried by the audio path diagram to the audio DSP system through a control channel, and initiates component control to a Pipeline in the DSP audio system through the control channel;
the audio DSP system is used for receiving the creation information sent by the host system and creating a Pipeline based on the creation information;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
6. The audio path multi-host control system of claim 5, wherein the Pipeline comprises a first Pipeline, a second Pipeline, and a third Pipeline; the initiating component control to Pipeline in the DSP audio system through the control channel comprises the following steps:
the first host initiates component control to the first Pipeline and the third Pipeline in the DSP audio system through a first control channel;
the second host initiates component control to the second Pipeline in the DSP audio system through a first control channel.
7. The audio path multi-host control system of claim 5, wherein the Pipeline comprises a first Pipeline, a second Pipeline, and a third Pipeline, the third Pipeline being a shared portion, the first Pipeline being a separate portion of the first host, the second Pipeline being a separate portion of the second host, or the first Pipeline being a separate portion of the second host, the second Pipeline being a separate portion of the first host.
8. An audio path multi-host control device, the audio path multi-host control device comprising:
the loading and controlling module is used for loading the audio path diagram, creating a Pipeline to the DSP audio system through a control channel based on the audio path diagram, and enabling the multi-host system to initiate component control to the Pipeline in the DSP audio system through the control channel;
the control channel at least comprises a first control channel and a second control channel; the Pipeline comprises a shared part and an independent part, and the number of the Pipeline is at least three; the multi-host system includes at least a first host and a second host.
9. An audio path multi-host control device comprising a processor, a memory, and an audio path multi-host control program stored on the memory and executable by the processor, wherein the audio path multi-host control program, when executed by the processor, implements the steps of the audio path multi-host control method according to any one of claims 1 to 4.
10. A computer readable storage medium, wherein an audio path multi-host control program is stored on the computer readable storage medium, wherein the audio path multi-host control program, when executed by a processor, implements the steps of the audio path multi-host control method according to any one of claims 1 to 4.
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