CN109922330B - Data sending method, data receiving method and device - Google Patents
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Abstract
The invention relates to the technical field of virtual reality, in particular to a data sending method, a data receiving method and a device, wherein the method comprises the following steps: acquiring feature data of more than one VR device, wherein the feature data comprises feature types and feature contents corresponding to the feature types; respectively extracting feature types and feature contents in the feature data of each VR device; splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head; splicing the extracted feature contents in the feature data of all VR equipment to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types; splicing the target data head and the target data content to obtain a target VR data packet; and sending the target VR data packet to the main control equipment. The invention realizes that the data transmission of all VR devices can be completed through one-time communication, thereby not only saving occupied system resources and reducing power consumption, but also improving data transmission efficiency.
Description
Technical Field
The present invention relates to the field of virtual reality technologies, and in particular, to a data sending method, a data receiving method, and a device.
Background
Virtual Reality (VR) technology is a computer simulation system capable of creating and experiencing a virtual world, which utilizes a computer to generate a simulation environment, and is a system simulation of multi-source information fusion, interactive three-dimensional dynamic views and entity behaviors.
In a VR system, a master device and multiple VR devices are typically included. In the prior art, the master control device performs independent handshake with each VR device to complete data transmission, which not only occupies a large amount of system resources and causes high power consumption, but also has the problem of low data transmission efficiency.
Disclosure of Invention
In view of the above, the present invention has been made to provide a data transmission method, a data reception method, and an apparatus that overcome or at least partially solve the above problems.
The embodiment of the invention provides a data transmission method, which comprises the following steps:
acquiring feature data of more than one Virtual Reality (VR) device, wherein the feature data comprise feature types and feature contents corresponding to the feature types;
respectively extracting feature types and feature contents in the feature data of each VR device;
splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head;
splicing feature contents in the extracted feature data of all VR equipment to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types;
splicing the target data head and the target data content to obtain a target VR data packet;
and sending the target VR data packet to a main control device.
Preferably, in the target data content, the feature content of one VR device corresponds to one content field, the data length that can be accommodated in all content fields included in the target data content is a target data length, and the target data length is a maximum value of the data length in the feature content of all VR devices.
Preferably, the VR device is a helmet, a handle, a lighthouse, or an audio device comprising a microphone and/or an earpiece.
Preferably, when the VR device is the helmet or the handle or the lighthouse, the feature type is a location feature and/or a behavior feature, and when the VR device is the audio device, the feature type is an audio feature.
The embodiment of the invention also provides a data receiving method, which comprises the following steps:
receiving a target VR data packet, wherein the target VR data packet comprises a target data header and target data content;
analyzing the target data head from the target VR data packet to obtain the feature types of more than one VR device and the splicing sequence of the feature types;
analyzing the target data content from the target VR data packet to obtain the characteristic content of the more than one VR device;
and on the basis of the splicing sequence of the feature types, corresponding the analyzed feature types and the feature contents to obtain feature data corresponding to each VR device.
Preferably, in the target data content, the feature content of one VR device corresponds to one content field, the data length that can be accommodated in all content fields included in the target data content is a target data length, and the target data length is a maximum value of the data length in the feature content of all VR devices.
Preferably, the VR device is a helmet, a handle, a lighthouse, or an audio device comprising a microphone and/or an earpiece.
Preferably, when the VR device is the helmet or the handle or the lighthouse, the feature type is a location feature and/or a behavior feature, and when the VR device is the audio device, the feature type is an audio feature.
An embodiment of the present invention further provides a data transmitting apparatus, where the apparatus includes:
the virtual reality system comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring feature data of more than one Virtual Reality (VR) device, and the feature data comprises feature types and feature contents corresponding to the feature types;
the extraction module is used for respectively extracting the feature types and the feature contents in the feature data of each VR device;
the first splicing module is used for splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head;
the second splicing module is used for splicing the extracted feature contents in the feature data of all VR equipment to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types;
the third splicing module is used for splicing the target data head and the target data content to obtain a target VR data packet;
and the sending module is used for sending the target VR data packet to the main control equipment.
An embodiment of the present invention further provides a data receiving apparatus, where the apparatus includes:
a receiving module, configured to receive a target VR data packet, where the target VR data packet includes a target data header and target data content;
the first analysis module is used for analyzing the target data head from the target VR data packet to obtain the feature types of more than one VR device and the splicing sequence of the feature types;
a second parsing module, configured to parse the target data content from the target VR data packet to obtain feature content of the at least one VR device;
and the obtaining module is used for corresponding the analyzed feature types and the feature contents based on the splicing sequence of the feature types to obtain feature data corresponding to each VR device.
The embodiment of the present invention provides one or more technical solutions in the embodiment of the present invention, and the technical effects or advantages are at least as follows:
after the feature data of the VR equipment is obtained, the feature types and the feature contents in the feature data of each VR equipment are respectively extracted, the extracted feature types in the feature data of all the VR equipment are spliced to obtain the target data head, the extracted feature contents in the feature data of all the VR equipment are spliced to obtain the target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types, then the target data head and the target data contents are spliced to obtain the target VR data packet, and finally the target VR data packet is sent to the main control equipment, so that the data transmission of all the VR equipment can be completed through one-time communication, not only are occupied system resources saved, but also the power consumption is reduced, and the data transmission efficiency is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a flow chart of a data transmission method in an embodiment of the invention;
FIG. 2 shows a schematic diagram of a target data header in an embodiment of the invention;
FIG. 3 is a schematic diagram illustrating targeted data content in an embodiment of the invention;
FIG. 4 shows a schematic diagram of a target VR data packet in an embodiment of the invention;
fig. 5 shows a flow chart of a data receiving method in an embodiment of the invention;
fig. 6 is a block diagram showing a data transmission apparatus in the embodiment of the present invention;
fig. 7 is a block diagram showing a data receiving apparatus in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
A first embodiment of the present invention provides a data transmission method, as shown in fig. 1, the data transmission method including:
step 101: feature data of more than one VR device is obtained.
Specifically, a VR system may include one VR device or may include a plurality of VR devices. Wherein, the VR device may be a helmet, a handle, a lighthouse, or an audio device comprising a microphone and/or an earpiece. Further, there is one feature data for each VR device, e.g., helmet corresponds to helmet feature data and handle corresponds to handle feature data. For each feature data, the feature data contains a feature type and a feature content corresponding to the feature type. When the VR device is a helmet, the feature type of the helmet feature data is a location feature and/or a behavior feature, and correspondingly, the feature content of the helmet feature data is a helmet location and/or a helmet behavior content. It should be noted that, in the present application, the position feature is used to characterize the position where the VR device is located, and the behavior feature is used to characterize the behavior of the VR device, for example, the behavior is head up, head down, left turn or right turn, etc. When the VR device is an audio device and the feature type of the audio device feature data is an audio feature, correspondingly, the feature content of the audio device feature data is audio content.
After step 101 is completed, step 102 is performed: and respectively extracting the feature type and the feature content in the feature data of each VR device.
After step 102 is completed, step 103 is performed: and splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head.
After step 103 is completed, step 104 is performed: and splicing the extracted feature contents in the feature data of all the VR devices to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types.
After completing step 104, step 105 is performed: and splicing the target data head and the target data content to obtain a target VR data packet.
The above steps will be described in detail with reference to a specific example.
If the current VR device contains a helmet, a handle, a lighthouse, a microphone, and a headset, then:
first, helmet characteristic data of a helmet, handle characteristic data of a handle, beacon characteristic data of a beacon, microphone characteristic data of a microphone, and earphone characteristic data of an earphone are acquired.
Then, the feature type and the feature content in the helmet feature data, the feature type and the feature content in the handle feature data, the feature type and the feature content in the lighthouse feature data, the feature type and the feature content in the microphone feature data, and the feature type and the feature content in the headset feature data are extracted, for example, the following are extracted: the headset comprises a helmet behavior feature, a handle position feature, a lighthouse position feature, a microphone audio feature and an earphone audio feature, wherein the feature content corresponding to the helmet behavior feature is head up, the feature content corresponding to the handle position feature is a position A, the feature content corresponding to the lighthouse position feature is a position B, the feature content corresponding to the microphone audio feature is first audio content, and the feature content corresponding to the earphone audio feature is second audio content.
Then, the helmet behavior feature, the handle position feature, the beacon position feature, the microphone audio feature, and the headphone audio feature are spliced to obtain a target data header, as shown in fig. 2, and the head-up, the position a, the position B, the first audio content, and the second audio content are spliced according to the splicing sequence of the feature types to obtain a target data content, as shown in fig. 3, and the target data header and the target data content are spliced to obtain a target VR data packet, as shown in fig. 4.
After completing step 104, step 105 is performed: and sending the target VR data packet to the main control equipment.
After the feature data of the VR equipment is obtained, the feature types and the feature contents in the feature data of each VR equipment are respectively extracted, the extracted feature types in the feature data of all the VR equipment are spliced to obtain the target data head, the extracted feature contents in the feature data of all the VR equipment are spliced to obtain the target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types, then the target data head and the target data contents are spliced to obtain the target VR data packet, and finally the target VR data packet is sent to the main control equipment, so that the data transmission of all the VR equipment can be completed through one-time communication, not only are occupied system resources saved, but also the power consumption is reduced, and the data transmission efficiency is improved.
Further, in order to improve the processing efficiency of the master control device on the data sent by the VR device, in the target data content, the feature content of one VR device corresponds to one content field, the content field is used for containing the feature content, the data length that can be accommodated in all the content fields contained in the target data content is the target data length, and the target data length is the maximum value of the data length in the feature content of all the VR devices. For example, the data length of the head-up is 3, the data length of the position a is 4, the data length of the position B is 5, the data length of the first audio content is 6, and the data length of the second audio content is 7, then the target data length is 7, the target data content includes 5 content fields, the data lengths that can be accommodated by the 5 content fields are all 7, and the 5 content fields respectively correspond to the head-up, the position a, the position B, the first audio content and the second audio content. By setting the data length capable of being accommodated in each content field to be the same target data length, the same processing scheme can be adopted by the main control equipment when the content fields are processed, different processing schemes do not need to be selected according to different lengths of the content fields, and the processing efficiency is improved.
It should be noted that the data transmission method in the first embodiment may be applied to a VR device, so that the VR device becomes an execution subject of the data transmission method of the present application, and after step 105 is completed, the VR device transmits the target VR packet to the master device. In addition, the method can also be applied to a third device except the main control device and the VR device, so that the third device becomes an execution main body of the data transmission method of the present application, the third device can be connected with the VR device through a data interface, the third device obtains feature data from the VR device through the data interface and executes subsequent steps, and finally, the third device transmits the target VR data packet to the main control device.
Based on the same inventive concept, a second embodiment of the present invention further provides a data receiving method, as shown in fig. 5, the method includes:
step 501: and receiving a target VR data packet, wherein the target VR data packet comprises a target data header and target data content.
Step 502: and analyzing a target data head from the target VR data packet to obtain the feature types of more than one VR device and the splicing sequence of the feature types.
Step 503: and analyzing target data content from the target VR data packet to obtain the characteristic content of more than one VR device.
Step 504: and on the basis of the splicing sequence of the feature types, corresponding the analyzed feature types and the feature contents to obtain feature data corresponding to each VR device.
The second embodiment described above will be described in detail with reference to a specific example.
If the received target VR packet is as shown in fig. 4, then:
firstly, a target data header is analyzed from a target VR data packet to obtain feature types of more than one VR device, and if the target data header is as shown in fig. 2, 5 feature types are obtained, which are: helmet behavior feature, handle position feature, lighthouse position feature, microphone audio feature, and headphone audio feature, the sequence of the above 5 feature types being shown in fig. 2. Analyzing target data content from the target VR data packet to obtain feature content of more than one VR device, and if the target data content is as shown in FIG. 3, obtaining 5 feature contents, which are respectively: head up, position a, position B, first audio content, and second audio content.
Then, the behavior characteristic of the helmet, the position characteristic of the handle, the position characteristic of the lighthouse, the audio characteristic of the microphone and the audio characteristic of the earphone are in one-to-one correspondence with the head-up, the position A, the position B, the first audio content and the second audio content, so that: the feature content corresponding to the helmet behavior feature is head-up, the feature content corresponding to the handle position feature is position A, the feature content corresponding to the lighthouse position feature is position B, the feature content corresponding to the microphone audio feature is first audio content, and the feature content corresponding to the earphone audio feature is second audio content, so that the feature data corresponding to the helmet, the feature data corresponding to the handle, the feature data corresponding to the lighthouse, the feature data corresponding to the microphone, and the feature data corresponding to the earphone are obtained.
It should be noted that the data receiving method in the second embodiment may be applied to a master control device, so that the master control device becomes an execution main body of the data receiving method in the present application, and the master control device receives a target VR data packet sent from a VR device or a third device, and executes subsequent steps.
Based on the same inventive concept, a third embodiment of the present invention further provides a data transmission apparatus, as shown in fig. 6, the apparatus comprising:
an obtaining module 601, configured to obtain feature data of one or more Virtual Reality (VR) devices, where the feature data includes a feature type and feature content corresponding to the feature type;
an extraction module 602, configured to extract a feature type and a feature content in feature data of each VR device respectively;
the first splicing module 603 is configured to splice the extracted feature types in the feature data of all VR devices to obtain a target data header;
a second splicing module 604, configured to splice feature contents in the extracted feature data of all VR devices to obtain target data contents, where a splicing sequence of the feature contents corresponds to a splicing sequence of the feature types;
a third splicing module 605, configured to splice the target data header and the target data content to obtain a target VR data packet.
A sending module 606, configured to send the target VR data packet to a master control device.
It should be noted that the data transmission apparatus in the third embodiment may be a separate entity structure, or may be a virtual structure integrated in the VR device. When the data sending device is an independent entity structure, the data sending device may be connected to the VR device through a data interface, and the data interface may be a USB interface. A sending module in the data sending device can be a WIFI module supporting 802.11AC, a microcontroller adopted by the data sending device can be an ARM core CPU chip with a single core and 800MHz as a main frequency, and an open-source FreeRTOS operating system runs on the chip.
Based on the same inventive concept, a fourth embodiment of the present invention further provides a data receiving apparatus, as shown in fig. 7, the apparatus comprising:
a receiving module 701, configured to receive a target VR packet, where the target VR packet includes a target data header and target data content;
a first parsing module 702, configured to parse the target data header from the target VR data packet to obtain feature types of more than one VR device and a splicing sequence of the feature types;
a second parsing module 703, configured to parse the target data content from the target VR data packet to obtain feature content of the at least one VR device;
an obtaining module 704, configured to correspond the analyzed feature types and feature contents based on the splicing sequence of the feature types, and obtain feature data corresponding to each VR device.
It should be noted that the data receiving apparatus in the fourth embodiment may be a virtual structure integrated in the master control device.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
after the feature data of the VR equipment is obtained, the feature types and the feature contents in the feature data of each VR equipment are respectively extracted, the extracted feature types in the feature data of all the VR equipment are spliced to obtain the target data head, the extracted feature contents in the feature data of all the VR equipment are spliced to obtain the target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types, then the target data head and the target data contents are spliced to obtain the target VR data packet, and finally the target VR data packet is sent to the main control equipment, so that the data transmission of all the VR equipment can be completed through one-time communication, not only are occupied system resources saved, but also the power consumption is reduced, and the data transmission efficiency is improved.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some or all of the components in an apparatus according to an embodiment of the invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. A method for transmitting data, the method comprising:
acquiring feature data of a plurality of different Virtual Reality (VR) devices, wherein the feature data comprises feature types and feature contents corresponding to the feature types, and the different VR devices correspond to different feature data;
respectively extracting feature types and feature contents in the feature data of each VR device;
splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head;
splicing feature contents in the extracted feature data of all VR equipment to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types;
splicing the target data head and the target data content to obtain a target VR data packet;
and sending the target VR data packet to a main control device.
2. The method of claim 1, wherein in the target data content, the feature content of one VR device corresponds to one content field, the target data content includes all content fields with a data length that can be accommodated in the target data length, and the target data length is a maximum value of the data length in the feature content of all VR devices.
3. The method of claim 1, wherein the VR device is a helmet, a handle, a lighthouse, or an audio device comprising a microphone and/or an earpiece.
4. The method of claim 3, wherein the feature type is a location feature and/or a behavior feature when the VR device is the helmet or the handle or the lighthouse and an audio feature when the VR device is the audio device.
5. A method for receiving data, the method comprising:
receiving a target VR data packet, wherein the target VR data packet comprises a target data header and target data content;
analyzing the target data head from the target VR data packet to obtain the feature types of a plurality of different VR devices and the splicing sequence of the feature types;
analyzing the target data content from the target VR data packet to obtain the feature content of the different VR devices;
and on the basis of the splicing sequence of the feature types, corresponding the analyzed feature types and the feature contents to obtain feature data corresponding to each VR device.
6. The method of claim 5, wherein in the target data content, the feature content of one VR device corresponds to one content field, the target data content contains all content fields with a data length capable of accommodating the content fields, and the target data length is the maximum value of the data length in the feature content of all VR devices.
7. The method of claim 5, wherein the VR device is a helmet, a handle, a lighthouse, or an audio device that includes a microphone and/or an earpiece.
8. The method of claim 7, wherein the feature type is a location feature and/or a behavior feature when the VR device is the helmet or the handle or the lighthouse and an audio feature when the VR device is the audio device.
9. A data transmission apparatus, characterized in that the apparatus comprises:
the Virtual Reality (VR) device comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring feature data of a plurality of different Virtual Reality (VR) devices, the feature data comprises feature types and feature contents corresponding to the feature types, and the different VR devices correspond to different feature data;
the extraction module is used for respectively extracting the feature types and the feature contents in the feature data of each VR device;
the first splicing module is used for splicing the extracted feature types in the feature data of all VR equipment to obtain a target data head;
the second splicing module is used for splicing the extracted feature contents in the feature data of all VR equipment to obtain target data contents, wherein the splicing sequence of the feature contents corresponds to the splicing sequence of the feature types;
the third splicing module is used for splicing the target data head and the target data content to obtain a target VR data packet;
and the sending module is used for sending the target VR data packet to the main control equipment.
10. A data receiving apparatus, the apparatus comprising:
a receiving module, configured to receive a target VR data packet, where the target VR data packet includes a target data header and target data content;
the first analysis module is used for analyzing the target data head from the target VR data packet to obtain the feature types of a plurality of different VR devices and the splicing sequence of the feature types;
a second parsing module, configured to parse the target data content from the target VR data packet to obtain feature contents of the multiple different VR devices;
and the obtaining module is used for corresponding the analyzed feature types and the feature contents based on the splicing sequence of the feature types to obtain feature data corresponding to each VR device.
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| CN101977305A (en) * | 2010-10-27 | 2011-02-16 | 北京中星微电子有限公司 | Video processing method, device and system |
| CN102301730A (en) * | 2011-07-18 | 2011-12-28 | 华为技术有限公司 | Method, device and system for transmitting and processing multichannel AV |
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| CN101662637A (en) * | 2009-09-25 | 2010-03-03 | 深圳创维数字技术股份有限公司 | Method for playing all packaged programs in transmission code stream and set-top box |
| CN101977305A (en) * | 2010-10-27 | 2011-02-16 | 北京中星微电子有限公司 | Video processing method, device and system |
| CN102301730A (en) * | 2011-07-18 | 2011-12-28 | 华为技术有限公司 | Method, device and system for transmitting and processing multichannel AV |
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