CN105677291A - Vehicle-mounted play source quick switching method and device - Google Patents
Vehicle-mounted play source quick switching method and device Download PDFInfo
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Abstract
The invention discloses a vehicle-mounted play source quick switching method. The vehicle-mounted play source quick switching method comprises the following steps: loading a plurality of play source data to a system operating memory; setting a plurality of play source windows, respectively loading each play source data and UI resource corresponding to each play source, and respectively displaying interface information of a corresponding play source on each play source window; acquiring a switching signal of the play source in real time, and switching the audio channel of the current play source according to the switching signal; playing the play source data which are loaded to the system operating memory. The invention further provides a vehicle-mounted play source quick switching device. By implementing the technical scheme provided by the invention, a vehicle-mounted audio source can be switched quickly, the operating frequency of a user on a vehicle-mounted system during a driving process is reduced, the driving risk is reduced, the driving safety is improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted audio playing, in particular to a method and a device for quickly switching vehicle-mounted playing sources.
Background
With the rapid development of social economy and automotive electronics, multimedia vehicle-mounted systems have gradually become the standard of automobiles, and more abundant multimedia technologies are continuously added to vehicle-mounted intelligent terminal platforms, such as MP3 for audio-visual entertainment, DVD vehicle-mounted playing systems, GPS vehicle-mounted navigation systems for driving assistance, bluetooth voice communication systems for wireless communication, and the like. However, there are many factors affecting the driving safety of the automobile, such as consciousness, side-view, misoperation, etc., wherein the excessive frequency and the increased frequency of the operation of the existing on-board system by the driver are one of the important reasons affecting the driving safety.
Statistics show that most drivers are only using two or three functions, such as broadcast reception, USB audio playing and the like, which are most commonly used by vehicle-mounted systems, 95% of the time in driving. However, in the existing technical solution of a vehicle-mounted system UI (user interface), switching of a playback source can be completed by multiple operations.
Fig. 1 is a schematic view of a play source loading relationship in a technical scheme for switching a vehicle-mounted play source according to the prior art. When a driver listens to a broadcast through a radio play source in the driving process, if the driver needs to switch to a USB play source, the driver needs to quit the radio play source first, return to a main menu interface, click an icon of the selected USB play source on the main menu interface, and complete the switching only by operating for at least 2 times, so that the safety risk of the driving process is increased.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a technical scheme for rapidly switching the vehicle-mounted playing sources, so that the rapid switching of the vehicle-mounted audio sources is realized, the operation times of a user on a vehicle-mounted system in the driving process is reduced, the driving risk is reduced, the driving safety is improved, and the user experience is improved.
In order to solve the above technical problem, an embodiment of the present invention provides a method for quickly switching a vehicle-mounted play source, including:
loading a plurality of play source data into a system operation memory;
setting a plurality of play source windows, respectively loading each play source data and UI resources corresponding to each play source, and displaying interface information of the corresponding play source;
acquiring a switching signal of a playing source in real time, and switching an audio channel of a current playing source according to the switching signal; and switching the playing source data loaded into the system operation memory into the current playing source data.
Further, before loading a plurality of play source data into the system operating memory, the method for quickly switching the vehicle-mounted play source further includes: and setting the playing sources to acquire the media data of the plurality of playing sources.
Preferably, the acquiring a switching signal of a play source in real time includes:
automatically sending a play source switching signal according to the identification status bit of the current play source; or, monitoring the play source window in real time, and updating the identification state bit of the current play source and sending a switching signal of the change of the play source when detecting a play interface focus change signal triggered by the user through the play source window.
In an implementation manner, the switching the audio channel of the current playback source according to the switching signal includes:
when the focus change signal of the playing interface is received, switching the current playing source to a first audio channel corresponding to the first playing source data according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source data.
Further, the switching the playing source data loaded into the system operating memory to be the current playing source data includes:
stopping audio playing of the current playing source according to the switching signal; driving the playing source window to play the playing source data which is loaded into the system operation memory and corresponds to the playing source window; the method for rapidly switching the vehicle-mounted playing source further comprises the following steps: refreshing the display state of the playing source window corresponding to the switching signal; and the interface of the current playing source window is displayed on the vehicle-mounted display screen in an amplifying way, and the playing source window in a non-playing state is displayed on the interface in a reducing way.
On the other hand, an embodiment of the present invention further provides a device for quickly switching a vehicle-mounted playback source, including: the data loading modules are respectively used for loading the playing source data into the system operation memory;
the plurality of playing source windows are used for displaying interface information of corresponding playing sources;
and the playing source switching module is used for acquiring a switching signal of a playing source in real time, switching an audio channel of the current playing source according to the switching signal and switching playing source data loaded into a system operation memory into the current playing source data.
Further, the apparatus further comprises: and the playing source setting module is used for setting the playing sources and acquiring the media data of the plurality of playing sources.
Preferably, the play source switching module includes:
the playing source identification submodule is used for marking or updating the playing source to be played through the identification state bit;
the automatic switching submodule is used for automatically sending a playing source switching signal according to the current identification state bit of the playing source identification submodule;
and the monitoring switching submodule is used for monitoring the playing source window in real time, updating the identification state bit of the current playing source of the playing source identification submodule when detecting a playing interface focus change signal triggered by the user through the playing source window, and sending a switching signal of playing source change.
In an implementation manner, the plurality of playback source data includes a first playback source data and a second playback source data, and the playback source switching module further includes:
an audio channel management submodule for: when a play interface focus change signal sent by a monitoring switching submodule is received, switching a current play source to a first audio channel corresponding to the first play source data according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source data.
Further, the play source switching module further includes:
the drive playing submodule is used for stopping the audio playing of the current playing source according to the switching signal; driving the playing source window to play the corresponding playing source data which is loaded into the system operation memory;
the display control submodule is used for refreshing the display state of the playing source window corresponding to the switching signal;
and the interface zooming submodule is used for magnifying and displaying the interface of the current playing source window on the vehicle-mounted display screen and reducing the display interface of the playing source window in a non-playing state.
The technical scheme for rapidly switching the vehicle-mounted playing sources provided by the embodiment of the invention overcomes the limitation that one view interface of a display screen of a vehicle-mounted system is associated with one audio channel resource in the prior art, a plurality of playing source windows are arranged on the vehicle-mounted display screen, each playing source window is respectively associated with a corresponding audio channel, and each playing source is distinguished by adopting an identification state bit. When switching among a plurality of play sources, automatically or by monitoring play instructions of play source windows, switching the working states of the play sources, namely loading corresponding play source data loaded into a system running memory onto a vehicle-mounted display screen for playing and displaying, wherein a user does not need to manually reload the play source data for many times, the operation frequency and the driving risk of a driver on the vehicle-mounted system in the driving process are reduced, and the driving safety is improved; in addition, because the embodiment of the invention can memorize the playing source data frequently used by the user, the user can quickly start the corresponding playing source data by clicking the playing source window, and the user experience is improved to a certain extent.
Drawings
Fig. 1 is a schematic view of a play source loading relationship in a technical scheme for switching a vehicle-mounted play source according to the prior art.
Fig. 2 is a flowchart illustrating steps of an embodiment of a method for quickly switching a vehicle-mounted play source according to the present invention.
Fig. 3 is a schematic flow chart of switching between two playback sources according to the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of the fast switching device for the vehicle-mounted playing source provided by the invention.
FIG. 5 is a schematic diagram of a display interface of a playback source window of a vehicle-mounted display screen according to the present invention.
FIG. 6 is a schematic diagram of a display interface for expanding a menu of a playback source window of a vehicle-mounted display screen according to the present invention.
Fig. 7 is a schematic structural diagram of an implementation manner of the play source switching module provided by the present invention.
Fig. 8 is a schematic diagram of a display interface of two play sources provided by the present invention.
Fig. 9 is a schematic interface diagram for enlarging a current playback source window according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Referring to fig. 2, a flowchart of steps of an embodiment of a method for quickly switching a vehicle-mounted play source provided by the present invention is shown.
In this embodiment, the method for quickly switching the vehicle-mounted playing source mainly includes the following steps:
step S101: loading a plurality of play source data into a system operation memory;
step S102: and setting a plurality of play source windows, respectively loading each play source data and the UI resource corresponding to each play source, and displaying the interface information of the corresponding play source.
Step S103: and acquiring a switching signal of the playing source in real time, switching an audio channel of the current playing source according to the switching signal, and switching playing source data loaded into a system operation memory into the current playing source data.
As shown in fig. 2, optionally, in this embodiment, before step S10, the method for quickly switching vehicle-mounted playback sources further includes:
step S100: and setting the playing sources to acquire data of a plurality of playing sources.
In this embodiment, two playback source windows or display interfaces are set as an example for explanation. It should be noted that the embodiment of the present invention can be applied to a playback source window or a display interface including, but not limited to, two.
Further, in step S103, the present embodiment may acquire the switching signal of the playing source data in an automatic acquisition manner or a user-triggered manner. Specifically, the acquiring a switching signal of a play source in real time includes:
(1) and (4) an automatic acquisition mode. And automatically sending a play source switching signal according to the identification state bit of the current play source. Specifically, when the playing source data is automatically loaded, for example, when the vehicle is started to enter for the first time or other sources are switched to the vehicle-mounted system, the playing source of each audio channel is loaded and displayed, and then the currently working playing source is acquired and a playing source switching signal is sent out.
(2) The user triggers the mode. And updating the identification state bit of the current playing source and sending a switching signal of the playing source change by monitoring the playing source window in real time and when detecting a playing interface focus change signal triggered by the user through the playing source window. Specifically, when two playing sources are adopted, the playing source identification status bit may be composed of "0" and "1", and when the value is "1", it indicates that the first playing source is the current playing source, and when the value is "0", it indicates that the second playing source is the current playing source. The identification status bit is stored in Flash (Flash memory), and when the identification status bit needs to be used or set, data in the Flash can be read or updated in real time.
Preferably, in an implementable manner, if the plurality of playback source data includes a first playback source data and a second playback source data, in step S103, the switching the audio channel of the current playback source according to the switching signal includes: when the play interface focus change signal is received, confirming first play source data or second play source data to be switched; switching the current playing source to a first audio channel corresponding to the first playing source data according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source data.
Fig. 3 is a schematic flow chart of switching between two playback sources according to the present invention.
When switching of the playing source is performed in a user triggering mode, the method obtains a switching signal of the playing source in real time and plays the playing source data loaded into a system operation memory, and specifically includes the following steps:
step S301: detecting that a user clicks a corresponding play source window (interface);
step S302: acquiring a play interface focus change signal of a user clicking a play source;
step S303: judging whether a playing source corresponding to a playing source window where a focus clicked by a user currently is located is a current playing source; if yes, ending the switching process; if not, go to step S304;
step S304: and switching the playing source. Specifically, the step includes two substeps of updating the status bit of the playing source identifier and switching the audio channel of the playing source.
Step S305: and updating the interface of the play source window and starting to play the new play source data.
For example, when the first play source is a USB music play source, it is in a play state when receiving a play interface focus change signal, that is, the audio channel of the USB source is in a working state, and the switching signal requires to switch the current play source to the second play source (radio) for playing, the audio output is switched to the audio channel of the radio broadcast.
In this embodiment, the step S103 specifically further includes: stopping audio playing of the current playing source according to the switching signal; driving the playing source window to play the corresponding playing source data which is loaded into the system operation memory;
furthermore, as shown in fig. 2, the method for quickly switching the vehicle-mounted playing source provided in this embodiment further includes:
step S104: refreshing the display state of the playing source window corresponding to the switching signal; and the interface of the current playing source window is displayed on the vehicle-mounted display screen in an amplifying way, and the playing source window in a non-playing state is displayed on the interface in a reducing way. After the switching signal is detected, according to the requirement of the switching signal, the playing of the original playing source is stopped, the playing of the new playing source is started, and the playing states of the windows/interfaces of the respective playing sources are refreshed.
Further, the invention further provides a device for quickly switching the vehicle-mounted playing source, which corresponds to the method for quickly switching the vehicle-mounted playing source provided by the embodiment.
Fig. 4 is a schematic structural diagram of an embodiment of the device for quickly switching the vehicle-mounted playing source according to the present invention. In this embodiment, an example in which two playback source windows or display interfaces are provided on a vehicle-mounted display screen is described. It should be noted that the embodiment of the present invention can be applied to a playback source window or a display interface including, but not limited to, two.
In this embodiment, the device for quickly switching the vehicle-mounted playing source includes:
the plurality of data loading modules (the first data loading module 11 and the second data loading module 12) are respectively used for loading the playing source data into the system running memory. Specifically, the first data loading module 11 is configured to load data content of a first playing source, and memorize a media source of the first playing source; the second data loading module 12 is configured to load data content of a second playback source and memorize a media source of the second playback source.
The vehicle-mounted play source fast switching device further comprises: and the plurality of play source windows (a first play source window A and a second play source window B) are used for displaying the interface information of the corresponding play sources. Specifically, as shown in fig. 4, further, the present embodiment further includes: the first play source interface module 21 is configured to load a UI (user interface) resource and display data of a first play source, initialize interface display of a play source window, and modify the display data by receiving an input control command from a user. And the second play source interface module 22 is configured to load the UI resource and the display data of the second play source, initialize the interface display of the corresponding play source window, and receive an input control command of the user.
The playing source switching module 30 is configured to obtain a switching signal of a playing source in real time, and switch an audio channel of a current playing source according to the switching signal; and switching the playing source data loaded into the system operation memory into the current playing source data. Preferably, in this embodiment, the vehicle-mounted fast switching device for playing sources further includes a playing source setting module 10, configured to set a playing source and obtain media data of multiple playing sources.
Fig. 5 is a schematic view of a display interface of a playback source window of the vehicle-mounted display screen provided by the invention. Fig. 6 is a schematic view of a display interface for expanding a menu of a play source window of a vehicle-mounted display screen provided by the invention.
The user sets media play source information for the first play source and the second play source respectively through the play source setting module 10. For example, the view interface of the vehicle-mounted system is divided into a left window and a right window, which respectively correspond to a first play source window A and a second play source window B. The first broadcast source corresponding to the first broadcast source window a may be set to a USB mode, and the second broadcast source corresponding to the second broadcast source window B may be set to a radio mode. After the setting is finished, determining the playing media data corresponding to the first playing source and the second playing source; meanwhile, the first data loading module 11 and the second data loading module 12 will store (memorize) the commonly used playing (media) sources set by the user. In a specific implementation process, if the user does not set the play source, two media sources may be adopted by default, for example, a play source/media source accessed by default in a USB mode and a radio mode. As shown in fig. 6, each play source window may be configured with multiple media play sources, and a user may select two commonly used play sources by means of a pull-down menu.
Since most drivers use only the two or three most commonly used broadcast sources most of the time in driving, and the preference of each user is different, some users may often use radio and bluetooth music, while other users may often use bluetooth and SD (secure digital card) sources, the user may be allowed to customize the combination of the two media broadcast sources through the broadcast source window.
The broadcast source switching module 30 is used as a core module of the whole device, and is mainly used for completing management of each broadcast source and coordination and management of mutual switching.
Fig. 7 is a schematic structural diagram of an implementation manner of the play source switching module provided in the present invention.
In this embodiment, the play source switching module 30, as a core module of the on-vehicle play source fast switching device, mainly includes:
and the playing source identification submodule 31 is used for marking or updating the playing source to be played by identifying the status bit. In specific implementation, the play source identifier sub-module 31 determines whether the current play source is the first play source or the second play source according to a play source status bit stored in an internal Flash (Flash memory), and meanwhile, the play source status bit can be set in a user-defined manner.
And the automatic switching submodule 32 is configured to automatically send a play source switching signal according to the current identification status bit of the play source identification submodule 31.
And the monitoring and switching submodule 33 is configured to monitor the play source window in real time, update the identification status bit of the current play source of the play source identification submodule 31 when detecting a play interface focus change signal triggered by the user through the play source window, and send a switching signal of play source change.
In this embodiment, the plurality of playback source data includes first playback source data and second playback source data.
The play source switching module 30 further includes: an audio channel management submodule 34, configured to: when a play interface focus change signal sent by the monitoring switching submodule 33 is received, switching the current play source to a first audio channel corresponding to the first play source according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source. Specifically, the audio channel management sub-module 34 is mainly configured to manage audio channels corresponding to each media source, and complete switching of the audio channels from each play source to the current media play source, and a process of switching the play sources in a user-triggered manner is the same as that in the embodiment of fig. 3, which is not described herein again.
Further, the play source switching module 30 further includes: the drive play sub-module 35 is configured to: stopping audio playing of the current playing source according to the switching signal; and driving the playing source window to play the corresponding playing source data which is loaded into the system running memory.
In the present embodiment:
the display control submodule 36 is configured to refresh the display state of the playback source window corresponding to the switching signal; and the number of the first and second groups,
and the interface zooming submodule 37 is used for magnifying and displaying the interface of the current playing source window on the vehicle-mounted display screen and reducing the playing source window in the non-playing state to display the interface.
Fig. 8 is a schematic diagram of a display interface of two play sources provided by the present invention; fig. 9 is a schematic view of an interface for enlarging a current playback source window according to the present invention.
After the media playing source data is loaded, the first playing source interface module 21 and the second playing source interface module 22 respectively load corresponding UI resources, and display different playing source interfaces, such as a USB interface and a radio interface, in the left window and the right window; after the interface loading display is completed, the first playing source and the second playing source will display the current playing information, and are in a stop state, and wait for the next playing instruction, and the playing interface display is as shown in fig. 8.
Correspondingly, the acquisition of the play source signal and the switching signal by the vehicle-mounted play source fast switching device provided by the embodiment has two forms: an automatic acquisition mode and a user trigger mode. In the automatic obtaining mode, when the whole device is automatically loaded and displayed, for example, when the device is started to enter for the first time or is switched to the device from another source, the first playing source interface module 21 and the second playing source interface module 22 respectively notify the playing source switching module 30 to obtain the currently working playing source from the playing source identifier sub-module 31 after the loading and displaying are completed, and send a playing source switching signal. In the user triggering mode, when a user clicks any area of the first playing interface or the second playing interface, whether a playing source which the user needs to switch currently works or not is judged through the focus change signal; when the user clicks that the current playing source is not, a focus change signal of the left/right playing interface is generated by triggering, after the playing source switching module 30 detects the focus change signal, the identification status bit of the current playing source memorized by the playing source identification submodule 31 is updated, and simultaneously, the playing source switching module 30 sends a switching signal of the playing source change. The playing source identification status bit is composed of "0" and "1", and when the value is "1", the first playing source is the current playing source, and when the value is "0", the second playing source is the current playing source. The identification status bit is preferably stored in the Flash memory and is read or updated in real time when needed for use or setup.
After acquiring the focus change signal of the playing interface and confirming that the media playing source needs to be switched, the playing source switching module 30 notifies the audio channel management submodule 34 to switch to the audio channel corresponding to the first or second media source according to the change of the currently playing media source. If the first broadcast source (USB) is in a broadcast state when receiving the signal, that is, the audio channel of the USB source is in a working state, and the signal requires to switch to the second broadcast source (radio) for broadcast, the audio channel management sub-module 34 switches the audio output to the audio channel of the radio. After the source window detects the switching signal of the source switching module 30, the original source is stopped to play, the new source is started to play, and the playing states of the respective source interfaces are refreshed according to the requirement of the switching signal.
In order to further highlight the use experience of the current playing source, the current playing source interface may be enlarged. For example, clicking the ">" icon between the two playing interfaces in fig. 8 will send a signal for amplifying the current playing source interface, the currently playing display interface expands the interface after receiving the amplification signal, the display interface in the non-playing state correspondingly shrinks the display interface, and the interface changes as shown in fig. 9.
The technical scheme for rapidly switching the vehicle-mounted playing sources provided by the embodiment of the invention overcomes the limitation that one view interface of a display screen of a vehicle-mounted system is associated with one audio channel resource in the prior art, a plurality of playing source windows are arranged on the vehicle-mounted display screen, each playing source window is respectively associated with a corresponding audio channel, corresponding playing source data is respectively loaded on the audio channels, and each playing source can be distinguished by adopting an identification state bit. When switching among a plurality of playing sources, the working states of the playing sources are switched automatically or by monitoring the playing instructions of the playing source windows, so that the playing source data of the corresponding audio channel can be loaded on the vehicle-mounted display screen for playing and displaying, a user does not need to manually reload the playing source data for many times, the operating frequency and the driving risk of a driver on a vehicle-mounted system in the driving process are reduced, and the driving safety is improved; in addition, because the embodiment of the invention can memorize the playing source data frequently used by the user, the user can quickly start the corresponding playing source data by clicking the playing source window, and the user experience is improved to a certain extent.
It should be noted that the above-mentioned system and its functional units (modules) may be implemented in software, hardware or a combination of software and hardware. Wherein the hardware portions may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. When the upgrading system is implemented in a software manner, the upgrading system is the upgrading program. It will be understood by those skilled in the art that all or part of the above aspects may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided, for example, on a carrier medium such as a disk, CD or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier. The system and its functional units in the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of the above hardware circuits and software, for example, firmware.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for quickly switching vehicle-mounted playing sources is characterized by comprising the following steps:
loading a plurality of play source data into a system operation memory;
setting a plurality of play source windows, respectively loading each play source data and UI resources corresponding to each play source, and displaying interface information of the corresponding play source;
acquiring a switching signal of a playing source in real time, and switching an audio channel of a current playing source according to the switching signal; and switching the playing source data loaded into the system operation memory into the current playing source data.
2. The method for rapidly switching the vehicle-mounted playing source according to claim 1, wherein before loading the data of the plurality of playing sources into the system operating memory, the method further comprises:
and setting the playing sources to acquire the media data of the plurality of playing sources.
3. The method for rapidly switching the vehicle-mounted playing source according to claim 2, wherein the step of acquiring the switching signal of the playing source in real time comprises the steps of:
automatically sending a play source switching signal according to the identification status bit of the current play source; or,
and monitoring the play source window in real time, and updating the identification state bit of the current play source and sending a switching signal of the change of the play source when detecting a play interface focus change signal triggered by the user through the play source window.
4. The method for rapidly switching the vehicle-mounted playing source according to claim 3, wherein the plurality of playing source data includes a first playing source data and a second playing source data, and the switching the audio channel of the current playing source according to the switching signal includes:
when the focus change signal of the playing interface is received, switching the current playing source to a first audio channel corresponding to the first playing source data according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source data.
5. The method for rapidly switching the vehicle-mounted playing source according to claim 4, wherein the switching the playing source data loaded into the system operating memory to be the current playing source data comprises:
stopping audio playing of the current playing source according to the switching signal; driving the playing source window to play the playing source data which is loaded into the system operation memory and corresponds to the playing source window;
the method for rapidly switching the vehicle-mounted playing source further comprises the following steps:
refreshing the display state of the playing source window corresponding to the switching signal; and the interface of the current playing source window is displayed on the vehicle-mounted display screen in an amplifying way, and the playing source window in a non-playing state is displayed on the interface in a reducing way.
6. A vehicle-mounted play source rapid switching device is characterized by comprising:
the data loading modules are respectively used for loading the playing source data into the system operation memory;
the plurality of playing source windows are used for displaying interface information of corresponding playing sources;
and the playing source switching module is used for acquiring a switching signal of a playing source in real time, switching an audio channel of the current playing source according to the switching signal and switching playing source data loaded into a system operation memory into the current playing source data.
7. The fast switching device for vehicular playback sources of claim 6, wherein the device further comprises:
and the playing source setting module is used for setting the playing sources and acquiring the media data of the plurality of playing sources.
8. The on-vehicle playback source fast switching apparatus according to claim 7, wherein the playback source switching module includes:
the playing source identification submodule is used for marking or updating the playing source to be played through the identification state bit;
the automatic switching submodule is used for automatically sending a playing source switching signal according to the current identification state bit of the playing source identification submodule;
and the monitoring switching submodule is used for monitoring the playing source window in real time, updating the identification state bit of the current playing source of the playing source identification submodule when detecting a playing interface focus change signal triggered by the user through the playing source window, and sending a switching signal of playing source change.
9. The apparatus for fast switching on vehicle-mounted playback source of claim 8, wherein the plurality of playback source data includes a first playback source data and a second playback source data, and the playback source switching module further includes: an audio channel management submodule for:
when a play interface focus change signal sent by a monitoring switching submodule is received, switching a current play source to a first audio channel corresponding to the first play source data according to the switching signal; or switching the current playing source to a second audio channel corresponding to the second playing source data.
10. The on-vehicle playback source fast switching apparatus according to claim 9, wherein the playback source switching module further comprises:
the drive playing submodule is used for stopping the audio playing of the current playing source according to the switching signal; driving the playing source window to play the corresponding playing source data which is loaded into the system operation memory;
the display control submodule is used for refreshing the display state of the playing source window corresponding to the switching signal;
and the interface zooming submodule is used for magnifying and displaying the interface of the current playing source window on the vehicle-mounted display screen and reducing the display interface of the playing source window in a non-playing state.
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