CN112040288B - Multimedia system - Google Patents
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- CN112040288B CN112040288B CN202010923686.7A CN202010923686A CN112040288B CN 112040288 B CN112040288 B CN 112040288B CN 202010923686 A CN202010923686 A CN 202010923686A CN 112040288 B CN112040288 B CN 112040288B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
Abstract
The technical scheme discloses a multimedia system and a vehicle comprising the same, wherein the multimedia system comprises a main playing device connected with a main screen and at least one auxiliary playing device connected with an auxiliary screen, and all the auxiliary playing devices are in communication connection with the main playing device and share a first audio playing device. According to the technical scheme, the flexible playing content sharing between the main playing device and the auxiliary playing device can be realized according to a simple user instruction, the multimedia content playing with mutually independent main display screens and auxiliary display screens can be realized when the main playing device or the auxiliary playing device is externally connected with other audio players, and the increasingly diversified video and audio entertainment requirements of users can be met; meanwhile, the multimedia system is fit for the application scene of the vehicle-mounted environment, and can realize more flexible multimedia content sharing between the vehicle-mounted central control large screen and each demonstration auxiliary screen, thereby greatly improving the driving and riding experience of users, and having wide applicability and popularization value.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a multimedia system.
Background
With the continuous development of multimedia technology, the cross-screen sharing interaction among multiple real screens is a development direction with extremely high attention: the multi-screen interaction means that protocols such as flash connection and the like are utilized, connection among different multimedia terminal devices is achieved through modes such as wired connection or wireless network and a series of operations such as transmission, analysis, display and control of multimedia contents (including but not limited to audio, pictures, videos, dynamic documents and the like) are carried out on the different multimedia terminal devices, and therefore sharing and display of the multimedia contents among the different multimedia terminal devices are achieved. At present, a common and mature multi-screen interaction technology is to project a video to be played in a mobile terminal such as a mobile phone to a large-screen fixed terminal such as a television.
In a scene of realizing multi-screen interaction by sharing a screen, after one multimedia terminal device transmits screen-projecting content to another multimedia terminal device or another multimedia terminal devices, the multimedia playing content of the multimedia terminal device is limited to a certain extent: for example, in the application scenario of the existing vehicle-mounted multimedia system, the vehicle-mounted multimedia system comprises a main control large screen and a plurality of auxiliary screens, when the main control large screen shares and projects content to other auxiliary screens, the main control large screen cannot play multimedia content such as other videos, music, radio stations or audio books, and the sharing and projecting mode is single, and meanwhile, the sharing steps are complex, and the increasing diversified video and audio entertainment of users cannot be met. There is therefore a need for a new multimedia system that solves the above mentioned prior art problems.
Disclosure of Invention
To solve the above problems in the prior art, a multimedia system is provided, and the specific technical solution is as follows:
a multimedia system, comprising:
the main playing device is used for playing a first image content through a corresponding main screen according to an external first user instruction;
at least one auxiliary playing device, which is used for playing a second image content through a corresponding auxiliary screen according to an external second user instruction;
each auxiliary playing device is in communication connection with the main playing device, and the main playing device shares the first image content to the auxiliary playing devices according to an external third user instruction;
all the auxiliary playing devices and the main playing device share one first audio playing device.
Preferably, the multimedia system, wherein the main screen continuously plays the first video content when the main playback device shares the first video content to the sub playback device.
Preferably, in the multimedia system, when the main playback device shares the first video content with the sub playback device, the main screen plays a third video content according to a real-time fourth user command.
Preferably, the multimedia system, wherein the first image content comprises video, photos, static documents and dynamic documents; and/or
The second image content includes video, photos, static documents, and dynamic documents.
Preferably, the multimedia system, wherein the input mode of the first user instruction includes gesture, motion, voice and external control signal input; and/or
The input mode of the second user instruction comprises gesture, action, voice and external control signal input; and/or
The input mode of the third user instruction comprises gesture, motion, voice and external control signal input.
Preferably, the multimedia system, wherein the fourth user command input means includes gesture, motion, voice and external control signal input.
Preferably, in the multimedia system, each sub-playback device is controllably connected to a second audio playback apparatus;
the second audio playing device is connected with and disconnected from the corresponding auxiliary playing equipment according to an external fifth user instruction;
when the second audio playing device is in a connected state, the corresponding sub-playing device plays the audio content corresponding to the currently played image content through the second audio playing device.
Preferably, the multimedia system, wherein each sub-player device comprises a detection module;
the detection module is used for continuously detecting the real-time state of the second audio playing device when the main playing device shares the first image content to the auxiliary playing device according to a third user instruction.
Preferably, in the multimedia system, when the second audio playing device is in the off state, the main playing device controls the currently played video content to be synchronized with the currently played video content of the sub playing device according to the detection result of the detection module, or suspends the currently played video content.
Preferably, in the multimedia system, when the second audio playing device is in a disconnected state, the detection module generates a synchronization signal and transmits the synchronization signal to the main playing device;
and the main playing device controls the synchronization of the currently played image content and the currently played image content of the auxiliary playing device according to the synchronization signal.
Preferably, in the multimedia system, when the second audio playing device is in the connected state, the main playing device enters an idle state according to the detection result of the detection module.
Preferably, the multimedia system further comprises a third video content playing unit for playing a third video content through a real-time fourth user command when the main playing device is in an idle state.
Preferably, in the multimedia system, the main playback device and all the sub playback devices are connected to an external cloud server, and the cloud server is configured to store the first image content and the second image content;
the main playing equipment generates a first image address according to the first user instruction, and accesses the cloud server through the first image address to obtain first image content;
and the auxiliary playing equipment generates a second image address according to the second user instruction, and accesses the cloud server through the second image address to acquire second image content.
Preferably, in the multimedia system, the main playback device includes a first address generating module, configured to generate a first video address according to a first user instruction;
the auxiliary playing device comprises a second address generating module used for generating a second image address according to a second user instruction.
Preferably, in the multimedia system, the main playback device further includes a transmission module, and the transmission module is connected to the first address generation module;
when the main playing device shares the first image content to the auxiliary playing device according to the third user instruction, the transmission module transmits the first image address to the auxiliary playing device;
and the auxiliary playing equipment accesses the cloud server according to the first image address to acquire the first image content.
Preferably, the multimedia system is provided, wherein the system time clocks of the main playback device and the sub playback device are synchronized.
A vehicle comprising the multimedia system of any of the above.
Preferably, the vehicle, wherein the multimedia system comprises a main playback device and a sub playback device;
the main playing device is connected with a main screen, and the main screen is arranged on a main driving side of the whole vehicle;
the auxiliary playing device is connected with an auxiliary screen, and the auxiliary screen is arranged on the auxiliary driving side of the whole vehicle.
Preferably, in the vehicle, the main playback device and the sub playback device are both connected to a vehicle-mounted navigation device, and multimedia broadcast of the navigation information is independently or synchronously executed according to the navigation information generated by the vehicle-mounted navigation device.
Preferably, in the vehicle, the main playback device and the sub playback device are both connected to a vehicle condition monitoring device, and multimedia broadcast of the real-time condition information is executed independently or synchronously according to the real-time condition information generated by the vehicle condition monitoring device.
This technical scheme has following advantage or beneficial effect:
according to the technical scheme, flexible playing content sharing between the main playing device and the auxiliary playing device can be realized according to a simple user instruction, when the main playing device or the auxiliary playing device is externally connected with other audio players, the independent multimedia content playing of the main display screen and the auxiliary display screen can be realized, and the increasingly diversified video and audio entertainment requirements of users can be met; meanwhile, the multimedia system is fit for the application scene of the vehicle-mounted environment, and can realize more flexible multimedia content sharing between the vehicle-mounted central control large screen and each demonstration auxiliary screen, thereby greatly improving the driving and riding experience of users, and having wide applicability and popularization value.
Drawings
Fig. 1 is a schematic structural diagram of a multimedia system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
To solve the above problems in the prior art, a multimedia system is provided, and the specific technical solution is as follows:
a multimedia system, as shown in fig. 1, comprising:
a main playing device 1, for playing a first image content through a corresponding main screen according to an external first user instruction;
at least one sub-player 2, configured to play a second image content through a corresponding sub-screen according to an external second user instruction;
each auxiliary playing device 2 is in communication connection with the main playing device 1, and the main playing device 1 shares the first image content to the auxiliary playing device 2 according to an external third user instruction;
all the sub-playback devices 2 and the main playback device 1 share a first audio playback apparatus 3.
In a preferred embodiment of the present invention, a multimedia system is provided, where the multimedia system includes a main playback device 1 and at least one auxiliary playback device 2, and both the main playback device 1 and the auxiliary playback device 2 can play independent multimedia contents through their own main screens and auxiliary screens, and can also implement shared screen projection of played contents according to user instructions, so as to meet increasingly diversified video and audio entertainment requirements of users.
As a preferred embodiment, the multimedia system, wherein the main screen continuously plays the first video content when the main playback device 1 shares the first video content to the sub playback device 2.
In another preferred embodiment of the present invention, the main playback device 1 is configured to share the first video content with the sub playback device 2 according to a third user instruction, and the sub playback device 2 is configured to default to play the first video content synchronously with the main playback device 1, although the main playback device 1 and the sub playback device 2 share one first audio playback device 3, since the played content is consistent, the first audio playback device 3 can play the first video content synchronously regardless of whether the first video content relates to an audio playback material. Therefore, in this embodiment, during the sharing and screen-casting process, the main screen of the main playback device 1 can continuously play the current first video content without pausing the content presentation.
In a preferred embodiment, the multimedia system is configured such that when the main playback device 1 shares the first video content with the sub playback device 2, the main screen plays a third video content according to a real-time fourth user command.
In another preferred embodiment of the present invention, when the main playing device 1 shares the first video content to the sub-playing device 2 according to the third user instruction, unlike the above preferred embodiment, the main playing device 1 can perform real-time autonomous planning and adjustment on the playing content according to the new fourth user instruction received in real time, and can play other third video content, or can adjust the playing progress for the definition adjustment, pause, continuous playing, speed-doubled fast forward or dragging progress bar of the current first video content.
In the above preferred embodiment, the sub-playback device 2 also has the function of adaptively adjusting the playback content according to the second user instruction, so when the main playback device 1 shares the first video content with the sub-playback device 2, the sub-playback device 2 defaults to play the first video content synchronously with the main playback device 1 — if the viewing user dislikes the playback content or is dissatisfied with the presentation mode of the playback content during the default playing of the first video content, the viewing user can switch the playback content by inputting a new user instruction or perform operations such as adjusting the definition, pausing, continuing playback, fast-forwarding at a double speed or dragging a progress bar to adjust the playback progress of the currently played first video content.
In the above preferred embodiment, considering that the main playback device 1 and the sub playback device 2 share one first audio playback device 3, the independent operation of the main playback device 1 and the sub playback device 2 may cause audio content output conflict, and thus affect the normal operation of the first audio playback device 3, the third video content to be played in the above preferred embodiment may be limited to non-audio multimedia content, including dynamic documents, silent videos, dynamic lyrics, etc. Technical solutions related to audio-containing multimedia content sharing screen projection will be explained and explained in further detail below.
In a preferred embodiment, the multimedia system, wherein the first video content comprises video, photos, static documents and dynamic documents; and/or
The second image content includes video, photos, static documents, and dynamic documents.
In another preferred embodiment of the present invention, the representation forms of the first image content and the second image content are not particularly limited, and may be video, photos, static documents and dynamic documents, and may also be audio or other multimedia representation forms; similarly, the first video content and the second video content are presented independently.
In a preferred embodiment, the multimedia system, wherein the input mode of the first user instruction includes gesture, motion, voice and external control signal input; and/or
The input mode of the second user instruction comprises gesture, action, voice and external control signal input; and/or
The input mode of the third user instruction comprises gesture, motion, voice and external control signal input.
As a preferred embodiment, the multimedia system, wherein the fourth user command input means includes gesture, motion, voice and external control signal input.
In another preferred embodiment of the present invention, the implementation manners of the first user instruction, the second user instruction, the third user instruction and the fourth user instruction are further defined as follows:
in the above preferred embodiment, when the main screen and the sub-screen respectively corresponding to the main playback device 1 and the sub-playback device 2 are screens with touch functions, the first user instruction, the second user instruction, the third user instruction, and the fourth user instruction can be implemented by touch actions, and the user implements corresponding instruction input by a task instruction schematic pattern existing in a corresponding area of the touch screen;
in the above preferred embodiment, when the main playback device 1 and the sub playback device 2 both have the camera modules, the first user instruction, the second user instruction, the third user instruction, and the fourth user instruction can be implemented by gesture actions, and the user makes a gesture action corresponding to the user instruction in the space, and the gesture action is captured and recognized by the camera modules, and is compared with a preset gesture action instruction set to implement the acquisition of the instruction by the main playback device 1 and the sub playback device 2. For example, the user can realize the next switching of video playing or song playing by moving the two-finger gesture to the right.
In the above preferred embodiment, when the main playback device 1 and the sub playback device 2 both have the voice reception module, the first user instruction, the second user instruction, the third user instruction, and the fourth user instruction can be implemented by voice entry, and the user acquires the instruction by speaking the user instruction to be input, and acquiring and recognizing the instruction by the voice reception module through the main playback device 1 and the sub playback device 2.
In the above preferred embodiment, when the main playback device 1 and the sub playback device 2 both have connected external control devices, the first user command, the second user command, the third user command, and the fourth user command can be input through the external control devices, where the external control devices may be virtual control terminals such as mobile phone applications, or physical control terminals such as remote controllers.
In a preferred embodiment, in the multimedia system, each sub-playback device 2 is controllably connected to a second audio playback apparatus 4;
the second audio playing device 4 is connected with and disconnected from the corresponding auxiliary playing device 2 according to an external fifth user instruction;
when the second audio playing device 4 is in the connected state, the corresponding sub-playing device 2 plays the audio content corresponding to the currently played video content through the second audio playing device 4.
In another preferred embodiment of the present invention, it is configured that each of the sub-playback devices 2 is connected to a controllable second audio playback device 4, the connection relationship between the second audio playback device 4 and the sub-playback device 2 is determined by the on state of the second audio playback device 4, when the second audio playback device 4 is turned on, the sub-playback device 2 will not share the first audio playback device 3 with the main playback device but switch to the second audio playback device 4 to play the corresponding audio content, where the main playback device 1 and the sub-playback device 2 respectively have independent image output end and audio output end, and can play the multimedia content independently from each other.
In the above preferred embodiment, when the first audio playing device 3 is a public playing device or a public playing device, the second hidden player 4 is preferably a private playing device for the user, so as to avoid the interaction interference with the public playing audio played by the first audio playing device 3 in the same environment to the greatest extent and further influence the video entertainment experience of the user.
As a preferred embodiment, the multimedia system, wherein each sub-player 2 comprises a detection module 22;
the detecting module 22 is configured to continuously detect a real-time status of the second audio playing device 4 when the main playing device 1 shares the first video content to the sub-playing device according to a third user instruction.
As a preferred embodiment, the multimedia system is configured such that when the second audio playing device 4 is in the off state, the main playing device 1 controls the currently played video content to be synchronized with the currently played video content of the sub playing device 2 or suspends the currently played video content according to the detection result of the detection module 22.
As a preferred embodiment, the multimedia system is such that when the second audio playing device 4 is in the off state, the detection module 22 generates and transmits a synchronization signal to the main playing device 1;
the main playback device 1 controls the currently played video content to be synchronized with the currently played video content of the sub playback device 2 according to the synchronization signal.
As a preferred embodiment, the multimedia system is such that when the second audio playing device 4 is in the connected state, the main playing device 1 enters an idle state according to the detection result of the detection module 22.
In a preferred embodiment, the multimedia system plays a third video content through a real-time fourth user command when the main playback device 1 is in the idle state.
Further, in the above preferred embodiment of the present invention, the sub-playback device 2 further includes a detection module 22, which is capable of detecting a real-time connection state of the sub-playback device 2 and the second audio playback device 4, and generating a synchronization signal when the connection between the sub-playback device 2 and the second audio playback device 4 is in a disconnection state, because the main playback device 1 and the sub-playback device 2 no longer have audio output terminals independent of each other, and cannot play multimedia contents containing audio contents independent of each other, it is necessary to transmit the synchronization signal to the main playback device 1 to complete synchronization between the main playback device 1 and the sub-playback device 2.
In the above preferred embodiment, the detection module 22 performs real-time continuous detection on the connection status of the sub-playback device 2 and the second audio playback device 4: in a specific application scenario, if the bluetooth headset serving as the second audio playing device 4 is disconnected from the sub-playing device 2 during use, the detection module 22 controls the main playing device 1 and the sub-playing device 2 through generation of the synchronization signal to implement synchronous sharing of playing contents.
Further, in the above preferred embodiment, the synchronization between the main playback device 1 and the auxiliary playback device 2 may be to synchronize the video played by the main playback device 1 to the auxiliary playback device 2, or to synchronize the video played by the auxiliary playback device 2 to the main playback device 1.
Further, in the above preferred embodiment of the present invention, when the main playback device 1 does not receive the synchronization signal, it indicates that the second audio playback device 4 and the auxiliary playback device 2 are in a connected state at this time, the main playback device 1 and the auxiliary playback device 2 can perform multimedia content playback independently from each other, and after the sharing and screen-casting action is completed, the first image content played in real time by the main screen can be updated according to the real-time first user instruction, that is, the first image content may not be consistent with the display content of the auxiliary playback device 2; however, when the main playback device 1 receives the synchronization signal, since the playback contents of the sub playback device 2 need to be consistent to avoid audio collision, the first video content played in real time by the main screen needs to be consistent with the second video content played in real time by the sub screen, or the main screen is set to a pause state to give an audio channel to the sub playback device 2.
As a preferred embodiment, the multimedia system is provided, wherein the main playback device 1 and all the auxiliary playback devices 2 are connected to an external cloud server 5, and the cloud server 5 is configured to store the first video content and the second video content;
the main playing device 1 generates a first image address according to the first user instruction, and accesses the cloud server 5 through the first image address to obtain first image content;
and the auxiliary playing device 2 generates a second image address according to the second user instruction, and accesses the cloud server 5 through the second image address to acquire second image content.
As a preferred embodiment, the multimedia system, wherein the main playing device 1 includes a first address generating module 11, configured to generate a first video address according to a first user instruction;
the sub-player 2 includes a second address generating module 21, configured to generate a second video address according to a second user instruction.
In another preferred embodiment of the present invention, the main playback device 1 and the sub playback device 2 are both connected to an external cloud server 5, and the first image content and the second image content are obtained through the cloud server 5 without performing a previous local storage, so that playable contents of the main playback device 1 and the sub playback device 2 can be greatly expanded, and the viewing selection of a user is greatly enriched, and the implementation of sharing a screen projection function is facilitated.
As a preferred embodiment, the multimedia system, wherein the main playing device 1 further includes a transmission module 12, the transmission module 12 is connected to the first address generating module 11;
when the main playing device 1 shares the first image content to the sub-playing device 2 according to the third user instruction, the transmission module 12 transmits the first image address to the sub-playing device 2;
the sub-playback device 2 accesses the cloud server 5 according to the first image address to obtain the first image content.
In another preferred embodiment of the present invention, since the main playback device 1 and the sub playback device 2 are both connected to the external cloud server 5, and the cloud server 5 is used to obtain the first image content and the second image content, during the process of sharing and screen-casting, the main playback device 1 only needs to transmit the screen-casting instruction and the first image address to the sub playback device 2 through the transmission module 12, and the sub playback device 2 obtains the corresponding screen-casting content from the cloud server 5 by itself, so as to complete the screen-casting sharing action.
In the above preferred embodiment, in consideration of the play progress problem, when the first image content is a multimedia material such as a video, the screen-casting instruction should further include the current play progress information of the main playing device 1, so as to implement the synchronization of the play progress.
As a preferred embodiment, the multimedia system is one in which the system time clocks of the main playback device 1 and the sub playback device 2 are synchronized.
In another preferred embodiment of the present invention, the system time clock synchronization of the main playback device 1 and the sub playback device 2 can realize the clock synchronization of the system events of both sides, and is beneficial to the sharing of part of the multimedia content and screen projection: for example, when the user wants to synchronize the lyric content displayed on the main screen to the sub-screen during the audio playing process of the main playing device 1, the system time clocks of the main playing device 1 and the sub-playing device 2 need to be kept synchronized during the sharing and screen-casting process of the scrolling lyrics as dynamic documents, so as to ensure that the scrolling lyrics can be synchronously scrolled on the main screen and the sub-screen after the completion of the screen-casting, thereby ensuring the reliability of the sharing and screen-casting.
A vehicle comprising the multimedia system of any of the above.
In the following preferred embodiment, the multimedia system is applied to a vehicle-mounted system of a whole vehicle, and the technical solution will be further explained and explained with reference to a customized application scenario inside the whole vehicle:
in a preferred embodiment, the vehicle, wherein the multimedia system comprises a main playback device and a sub playback device;
the main playing device is connected with a main screen, and the main screen is arranged on the large screen side of the central control of the whole vehicle;
the auxiliary playing device is connected with an auxiliary screen, and the auxiliary screen is arranged on the auxiliary driving side of the whole vehicle.
In another preferred embodiment of the present invention, the multimedia system includes a main playback device and a sub playback device, the main playback device includes a main screen disposed on a console side of the entire vehicle, and the sub playback device includes a sub screen disposed on a co-driver side of the entire vehicle. In the practical application process, the main screen and the central control large screen of the whole vehicle are integrated in functions, and multimedia video and audio sharing between the main driver and the auxiliary driver can be achieved through the multimedia system.
In the above preferred embodiment, the main screen of the main playback device and the central control large screen of the entire car are integrated: because the central control large screen of the whole vehicle has a touch function and has the functions of recognizing gesture actions and voice instructions, the user control of the main playing device simultaneously supports touch control, gesture actions and voice input control; considering that the user facing the main screen is a driver who needs to keep a high level of mental concentration during driving, the user control command input mode for the main playback device should be as simple and diverse as possible to ensure the driving safety of the user.
In the above preferred embodiment, the first audio playing device shared by the main playing device and the auxiliary playing device is an audio system of the whole vehicle, and when the second audio playing device such as a bluetooth headset is connected to at least one of the main playing device or the auxiliary playing device, the main driver and the auxiliary driver can watch different videos through the main screen and the auxiliary screen respectively, and can also watch videos while listening to music; when a video which is to be shared with the opposite side is encountered, a corresponding sharing screen projection instruction can be input through a double-finger gesture to share the related multimedia content on the screen of the opposite side, and the playing of the multimedia content is not interrupted; during the sharing and screen projection, both sides can adjust the self schedule, the definition and other options, and the playing of the other side cannot be influenced.
In the above preferred embodiment, since the main playback device and the sub playback device are both connected to the external cloud server, and the first image content and the second image content are acquired through the cloud server, in the process of sharing and screen-casting the video resource acquired by the cloud, the main playback device only needs to transmit the screen-casting instruction and the first image address to the sub playback device through a transmission module, and the sub playback device can complete the screen-casting action by acquiring the corresponding screen-casting content from the cloud server; meanwhile, considering the problem that the default playing progress is the same in the process of sharing and screen-casting, in the process of sharing and screen-casting the video resource line acquired by the cloud, the current playing progress information of the main playing device is also included in the screen-casting instruction so as to realize the synchronization of the playing progress.
In the above preferred embodiment, the multimedia video and audio sharing may also be photo or text document content, and the driver can share the photo or text document content to the co-driver screen through a double-finger gesture, so that the main driver and the co-driver can display different photo or text documents in the screen sharing and projection process. Because the format scale of the photos or the text documents is small and the possibility of local storage exists, the screen projection content can be directly sent to the auxiliary playing device by the main playing device in the screen sharing and projection process.
In the above preferred embodiment, the multimedia video sharing may also be content sharing of rolling lyrics: when music is played in the car, a driver can share the rolling lyrics to the auxiliary screen at the auxiliary driving side through gesture actions of two fingers, and the main playing device and the auxiliary playing device synchronously ensure that the rolling lyrics synchronously roll on the main screen and the auxiliary screen after the rolling lyrics are thrown into the screen through the system time clock.
In another preferred embodiment of the present invention, different from the above embodiment, the sub-screen of the sub-playback device can be set more variously according to the actual needs of the user, and the front passenger seat can also be set at the seat back of the front seat, in this case, a plurality of sub-playback devices can be included, each sub-playback device includes a sub-screen to implement independent control, or includes a sub-playback device, and a plurality of sub-screens are configured in the sub-playback device to implement integrated control.
In the vehicle, the main playback device and the sub-playback device are both connected to an onboard navigation device, and multimedia broadcast of the navigation information is performed independently or synchronously according to the navigation information generated by the onboard navigation device.
In another preferred embodiment of the present invention, when applied to a specific entire vehicle environment, the main playback device and the sub playback device of the multimedia system are both connected to a vehicle navigation apparatus of the entire vehicle, and independently or synchronously perform multimedia broadcast of navigation information according to the navigation information, and simultaneously can receive control information from both sides of the main and sub screens to perform synchronous navigation information update: for example, the secondary driver finds that the current navigation path has a long-distance congestion situation ahead, and selects a second navigation selection capable of avoiding a congested road section through secondary screen touch control when the primary driver is not free to adjust the navigation path, and at the moment, the navigation information is synchronously displayed and updated on the primary screen and the secondary screen.
In the vehicle, the main playing device and the sub playing device are both connected with a vehicle condition monitoring device, and multimedia broadcasting of the real-time condition information is independently or synchronously executed according to the real-time condition information generated by the vehicle condition monitoring device.
In another preferred embodiment of the present invention, when the multimedia system is applied to a specific entire vehicle environment, the main playback device and the sub playback device of the multimedia system are both connected to the vehicle condition monitoring device of the entire vehicle to independently or synchronously perform multimedia broadcast of real-time condition information according to the real-time condition information generated by the vehicle condition monitoring device, and can receive user control commands from both sides of the main screen and the sub screen to process the real-time condition information.
In summary, according to the technical scheme, flexible playing content sharing between the main playing device and the auxiliary playing device can be realized according to a simple user instruction, and when the main playing device or the auxiliary playing device is externally connected with other audio players, multimedia content playing with mutually independent main display screens and auxiliary display screens can be realized, so that increasingly diversified video and audio entertainment requirements of users can be met; meanwhile, the multimedia system is fit for the application scene of the vehicle-mounted environment, and can realize more flexible multimedia content sharing between the vehicle-mounted central control large screen and each demonstration auxiliary screen, thereby greatly improving the driving and riding experience of users, and having wide applicability and popularization value.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (17)
1. A multimedia system, comprising:
the main playing device is used for playing a first image content through a corresponding main screen according to an external first user instruction;
at least one auxiliary playing device, which is used for playing a second image content through a corresponding auxiliary screen according to an external second user instruction;
each auxiliary playing device is in communication connection with the main playing device, and the main playing device shares the first image content to the auxiliary playing devices according to an external third user instruction;
all the auxiliary playing devices and the main playing device share a first audio playing device;
each sub-playing device is controllably connected with a second audio playing device;
the second audio playing device is connected with and disconnected from the corresponding auxiliary playing equipment according to an external fifth user instruction;
when the second audio playing device is in a connected state, the corresponding auxiliary playing equipment plays audio content corresponding to the currently played image content through the second audio playing device;
each sub-player device comprises a detection module;
the detection module is used for continuously detecting the real-time state of the second audio playing device when the main playing device shares the first image content to the auxiliary playing device according to the third user instruction;
when the second audio playing device is in a disconnected state, the main playing device controls the currently played image content to be synchronous with the currently played image content of the auxiliary playing device or pauses the currently played image content according to the detection result of the detection module.
2. The multimedia system of claim 1, wherein the main screen continuously plays the first video content when the main playback device shares the first video content to the sub playback device.
3. The multimedia system of claim 1, wherein the main screen plays a third video content according to a fourth real-time user command when the main playback device shares the first video content with the secondary playback device.
4. The multimedia system of claim 1, wherein the first image content comprises video, photos, static documents, and dynamic documents; and/or
The second image content includes video, photos, static documents, and dynamic documents.
5. The multimedia system of claim 1, wherein the input means of the first user instruction comprises gesture, motion, voice and external control signal input; and/or
The input mode of the second user instruction comprises gesture, action, voice and external control signal input; and/or
The input mode of the third user instruction comprises gesture, action, voice and external control signal input.
6. The multimedia system of claim 3, wherein said fourth user command input means comprises gesture, motion, voice and external control signal input.
7. The multimedia system of claim 1, wherein when the second audio playback device is in the off state, the detection module generates and transmits a synchronization signal to the main playback device;
and the main playing device controls the synchronization of the currently played image content and the currently played image content of the auxiliary playing device according to the synchronization signal.
8. The multimedia system of claim 1, wherein the main playback device enters an idle state according to the detection result of the detection module when the second audio playback device is in the connected state.
9. The multimedia system as in claim 8, wherein a third video content is played by a real-time fourth user command when said main playback device is in said idle state.
10. The multimedia system according to claim 1, wherein the main playback device and all the sub playback devices are connected to an external cloud server, and the cloud server is configured to store the first video content and the second video content;
the main playing device generates a first image address according to the first user instruction, and accesses the cloud server through the first image address to obtain the first image content;
and the auxiliary playing equipment generates a second image address according to the second user instruction, and accesses the cloud server through the second image address to acquire the second image content.
11. The multimedia system of claim 10, wherein the main playback device comprises a first address generation module configured to generate the first video address according to the first user command;
the auxiliary playing device comprises a second address generating module used for generating the second image address according to the second user instruction.
12. The multimedia system according to claim 11, wherein the main playback device further comprises a transmission module, the transmission module being connected to the first address generation module;
when the main playing device shares the first image content to the auxiliary playing device according to the third user instruction, the transmission module transmits the first image address to the auxiliary playing device;
and the auxiliary playing equipment accesses the cloud server according to the first image address to acquire the first image content.
13. The multimedia system of claim 1, wherein system time clocks of the main playback device and the sub playback device are synchronized.
14. A vehicle, characterized in that it comprises a multimedia system according to any one of claims 1-13.
15. The vehicle of claim 14, wherein the multimedia system includes a main playback device and a sub playback device;
the main playing device is connected with a main screen, and the main screen is arranged on the side of a central console of the whole vehicle;
the auxiliary playing equipment is connected with an auxiliary screen, and the auxiliary screen is arranged on the auxiliary driving side of the whole vehicle.
16. The vehicle according to claim 14, wherein the main playback device and the sub playback device are each connected to an in-vehicle navigation apparatus, and multimedia broadcast of the navigation information is performed independently or synchronously according to the navigation information generated by the in-vehicle navigation apparatus.
17. The vehicle of claim 14, wherein the main playback device and the sub playback device are both connected to a vehicle condition monitoring device, and multimedia broadcast of the real-time condition information is independently or synchronously executed according to the real-time condition information generated by the vehicle condition monitoring device.
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| CN114919407A (en) * | 2022-05-30 | 2022-08-19 | 广州小鹏汽车科技有限公司 | Entertainment interaction method and device based on vehicle cabin and vehicle |
| CN115499690A (en) * | 2022-09-20 | 2022-12-20 | 北京奇艺世纪科技有限公司 | Video playing method and device, electronic equipment and storage medium |
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