CN107995522A - Onboard system plays the method and device of video - Google Patents
Onboard system plays the method and device of video Download PDFInfo
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- CN107995522A CN107995522A CN201711378288.6A CN201711378288A CN107995522A CN 107995522 A CN107995522 A CN 107995522A CN 201711378288 A CN201711378288 A CN 201711378288A CN 107995522 A CN107995522 A CN 107995522A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000010586 diagram Methods 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41422—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Onboard system proposed by the present invention plays the method and device of video, and wherein method includes：Obtain video file；Analyze the Format Type of the video file；Judge the video file Format Type whether with system API support broadcast format type matching；If so, then the mode of system API is selected to play the video file.Onboard system proposed by the present invention plays the method and device of video, it is intended to so that onboard system is in the form that video file is supported for system API, the mode playing video file of prioritizing selection system API.
Description
Technical field
The present invention relates to onboard system technical field, especially relate to a kind of onboard system play video method and
Device.
Background technology
Automobile mounted system is used for realization audio-visual amusement, satellite positioning, voice are led as a kind of important instrument on automobile
The multiple functions such as boat and automotive safety protection.Existing onboard system is mainly broadcast when playing video by two ways
Put video, by system API (Application Programming Interface, application programming interface) directly into
The mode that row plays, or the mode for taking third party to play play out, specifically by software libraries such as libavcodec storehouses
Played to realize.When being played out with the mode of system API, the form that it is supported is fewer, causes many format video texts
Part can not play；And when by the way of third party plays, basic all formats can play, but be needed in playing process
Soft decoding is carried out, so that the occupancy to CPU can be increased, and also in the form that play system API is supported, its result of broadcast is than logical
The effect for crossing system API to play is poor, therefore, optimal broadcast mode is selected according to the form of video file, is become urgently
Solve the problems, such as.
The content of the invention
The main object of the present invention plays the method and device of video for a kind of onboard system of offer, it is intended to so that vehicle-mounted system
Unite in the form that video file is supported for system API, the mode playing video file of prioritizing selection system API.
The present invention proposes a kind of method that onboard system plays video, including：
Obtain video file；
Analyze the Format Type of the video file；
Judge the video file Format Type whether with system API support broadcast format type matching；
If so, then the mode of system API is selected to play the video file.
Further, the Format Type for judging the video file whether with system API support broadcast format class
Include after the step of type matches：
If it is not, the mode for then selecting third party to play plays the video file.
Further, the Format Type for judging the video file whether with system API support broadcast format class
The matched method of type includes：
Judge the video file suffix whether with system API support broadcast format type suffix match.
Further, include after the step of mode of the selection system API plays the video file：
Judge the file video whether normal play：
If it is not, the mode for then selecting third party to play plays the video file.
Further, it is described judge the file video whether normal play the step of include：
Judge in preset time whether the video file to be decoded into audio stream and video flowing；
If it is not, then judge that the video file is unable to normal play.
The present invention proposes that a kind of onboard system plays the device of video, including：
Acquiring unit, for obtaining video file；
Analytic unit, for analyzing the Format Type of the video file；
First judging unit, for judge the video file Format Type whether with system API support broadcasting lattice
Formula type matching；
First execution unit, for the broadcast format type supported when the Format Type of the video file with system API
During matching, then the mode of system API is selected to play the video file.
Further, the device of the onboard system broadcasting video further includes：
Second execution unit, for judging the Format Type and system of the video file when first judging unit
When the broadcast format type that API is supported mismatches, then the mode for selecting third party to play plays the video file.
Further, first judging unit be specifically used for judge the video file suffix whether with system API
The suffix match of the broadcast format type of support.
Further, the device of the onboard system broadcasting video further includes；
Second judging unit, for judging whether the file video can normal play；
3rd execution unit, for the mode for when the file video is unable to normal play, then selecting third party to play
Play the video file.
Further, second judging unit includes：
Judgment module, for judging in preset time whether the video file to be decoded into audio stream and video flowing；
Determination module, for when that the video file cannot be decoded into audio stream and video flowing in preset time,
Then judge that the video file is unable to normal play.
Beneficial effects of the present invention are：Obtain video file；Analyze the Format Type of the video file；Regarded described in judgement
The Format Type of frequency file whether with system API support broadcast format type matching；If so, then select the mode of system API
Play the video file so that onboard system is in the form that video file is supported for system API, prioritizing selection system API
Mode playing video file.
Brief description of the drawings
Fig. 1 is the step schematic diagram of the method for the onboard system broadcasting video in one embodiment of the invention；
Fig. 2 is the step schematic diagram of the method for the onboard system broadcasting video in another embodiment of the present invention；
Fig. 3 is the step schematic diagram of the method for the onboard system broadcasting video in further embodiment of this invention；
Fig. 4 is the structure diagram of the device of the onboard system broadcasting video in one embodiment of the invention；
Fig. 5 is the structure diagram of the device of the onboard system broadcasting video in another embodiment of the present invention；
Fig. 6 is the structure diagram of the device of the onboard system broadcasting video in further embodiment of this invention；
Fig. 7 is the structural frames of the second judging unit of the device of the onboard system broadcasting video in one embodiment of the invention
Figure.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
With reference to Fig. 1, method that the onboard system in the present embodiment plays video, including：
Step S1, obtains video file；
Step S2, analyzes the Format Type of the video file；
Step S3, judge the video file Format Type whether with system API support broadcast format type matching.
Step S4, if so, then selecting the mode of system API to play the video file.
In step sl, when onboard system needs to play out video file, all storage files are first scanned,
The corresponding store path of video file to be played and video file to be played are found, obtains video file to be played.
In step s 2, according to the video file to be played of acquisition, the information of video file to be played is analyzed to obtain
To the Format Type of video file to be played.
In step s3, the format type information for the video file to be played that onboard system is obtained according to analysis, judges to treat
The Format Type of playing video file whether with system API support broadcast format type matching.
In step s 4, when the broadcast format type matching that the Format Type of video file to be played is supported with system API
When, onboard system will select to play video file to be played by way of system API so that onboard system is in video file
During the form that system API is supported, the mode playing video file of prioritizing selection system API.
With reference to Fig. 2, method that the onboard system in another embodiment plays video, the lattice for judging the video file
Whether formula type after the step S3 of the system API broadcast format type matchings supported with including：
Step S5, if it is not, the mode for then selecting third party to play plays the video file.
In step s 5, the broadcast format type supported as Format Type and the system API of video file to be played is not
Timing, the then mode for selecting third party to play play video file to be played, wherein, it is specifically as follows and passes through calling
Libavcodec storehouses realize, the software of video playback capability is realized in libavcodec storehouses as onboard system by soft decode
Storehouse so that the form that onboard system energy play system API is not supported, needs to take system CPU (operation during its calling
Memory).Libavcodec treats in storehouse the decoding that playing video file realizes Voice ＆ Video, in decoding process, can pass through
Whether the FFmpeg in libavcodec storehouses is monitored malfunctions in decoding process, in playing process, can also pass through
FFmpeg in libavcodec storehouses monitors whether playing process malfunctions, when decoding process or playing process malfunction at that time, then
Send error prompting, prompt onboard system can not by way of third party plays playing video file.When video to be played text
During the broadcast format type matching that the Format Type of part is supported with system API, onboard system will be selected by way of system API
Play video file to be played, when the broadcast format type that Format Type and the system API of video file to be played are supported not
Timing, the then mode for selecting third party to play play video file to be played so that onboard system can be according to video to be played
The Format Type of file selects suitable broadcast mode.
The method that onboard system in the present embodiment plays video, whether the Format Type for judging the video file
Include with the method for the system API broadcast format type matchings supported：
Judge the video file suffix whether with system API support broadcast format type suffix match.
Onboard system obtains the suffix of video file to be played, judge video file to be played suffix whether with system
The suffix match for the broadcast format type that API is supported, the suffix one for the video file that the broadcast mode of wherein system API is supported
As include .aiff .avi .mov .ram .mpg and .qt, onboard system by judge video file to be played suffix whether
Belong to one kind in above-mentioned suffix, if so, then illustrating the video text that video to be played is supported by the broadcast mode of system API
Part.
With reference to Fig. 3, method that the onboard system in another embodiment plays video, the mode of the selection system API is broadcast
Put the step S4 of the video file includes afterwards：
Step S6, judge the file video whether normal play：
Step S7, if it is not, the mode for then selecting third party to play plays the video file.
In step s 6, when by way of system API come playing video file, it will determine that video file to be played
Whether can normal play
In the step s 7, when the Format Type of video file to be played belongs to the Format Type of system API supports, when passing through
When system API is unable to normal play video file to be played, then the mode that onboard system can also select third party to play plays
Video file to be played so that when onboard system mistake occurs by system API playing video files, can also select optimal
Broadcast mode carrys out playing video file.
Whether the step S6 of normal play includes the file video that judges in the present embodiment：
Step S61, judges in preset time whether the video file to be decoded into audio stream and video flowing；
Step S62, if it is not, then judging that the video file is unable to normal play.
In step S61, onboard system is by judging whether can be decoded into video file to be played in preset time
For audio stream and video flowing, so that can judge by system API come normal play video to be played.
In step S62, become audio stream and video when that video file to be played cannot be decoded in preset time
During stream, then judge that video file to be played is unable to normal play, conversely, then judging that video file to be played can normally be broadcast
Put.The audio stream and video flowing that onboard system is obtained by broadcast decoder, realize and video text are played by way of system API
Part.When video file decoding to be played is become audio stream and video flowing in preset time, then to be played regard is judged
Frequency file energy normal play；The mode for then selecting third party to play plays the video file.
With reference to Fig. 4, the onboard system that the embodiment of the present invention proposes plays the device of video, including：
Acquiring unit 10, for obtaining video file；
Analytic unit 20, for analyzing the Format Type of the video file；
First judging unit 30, for judge the video file Format Type whether with system API support broadcasting
Format Type matches；
First execution unit 40, for the broadcast format class supported when the Format Type of the video file with system API
When type matches, then the mode of system API is selected to play the video file.
When onboard system needs to play out video file, all storage files are first scanned, are found to be played
The corresponding store path of video file and video file to be played, acquiring unit 10 obtain video file to be played.
According to the video file to be played of acquisition, analytic unit 20 analyzes the information of video file to be played to acquire
The Format Type of video file to be played.
The format type information for the video file to be played that onboard system is obtained according to analysis, the first judging unit 30 judge
The Format Type of video file to be played whether with system API support broadcast format type matching.
When the broadcast format type matching that the Format Type of video file to be played is supported with system API, first performs
Unit 40 will select to play video file to be played by way of system API so that onboard system is system in video file
During the form that API is supported, the mode playing video file of prioritizing selection system API.
With reference to Fig. 5, the onboard system in another embodiment plays the device of video, further includes：
Second execution unit 50, for judging the Format Type and system of the video file when the first judging unit 30
When the broadcast format type that API is supported mismatches, then the mode for selecting third party to play plays the video file.
When the Format Type of video file to be played is mismatched with the system API broadcast format types supported, second holds
The mode that row unit 50 selects third party to play plays video file to be played, wherein, it is specifically as follows and passes through calling
Libavcodec storehouses realize, the software of video playback capability is realized in libavcodec storehouses as onboard system by soft decode
Storehouse so that the form that onboard system energy play system API is not supported, needs to take system CPU (operation during its calling
Memory).Libavcodec treats in storehouse the decoding that playing video file realizes Voice ＆ Video, in decoding process, can pass through
Whether the FFmpeg in libavcodec storehouses is monitored malfunctions in decoding process, in playing process, can also pass through
FFmpeg in libavcodec storehouses monitors whether playing process malfunctions, when decoding process or playing process malfunction at that time, then
Send error prompting, prompt onboard system can not by way of third party plays playing video file.When video to be played text
During the broadcast format type matching that the Format Type of part is supported with system API, onboard system will be selected by way of system API
Play video file to be played, when the broadcast format type that Format Type and the system API of video file to be played are supported not
Timing, the then mode for selecting third party to play play video file to be played so that onboard system can be according to video to be played
The Format Type of file selects suitable broadcast mode.
Onboard system in the present embodiment plays the device of video, and first judging unit 30 is specifically used for described in judgement
The suffix of video file whether with system API support broadcast format type suffix match.
Onboard system obtains the suffix of video file to be played, after the first judging unit 30 judges video file to be played
Sew whether the suffix match with the system API broadcast format types supported, the video that the broadcast mode of wherein system API is supported
The suffix of file generally comprises .aiff .avi .mov .ram .mpg and .qt, and onboard system is by judging video text to be played
Whether the suffix of part belongs to one kind in above-mentioned suffix, if so, then illustrating the broadcast mode institute of video to be played for system API
The video file of support.
With reference to Fig. 6, the onboard system in another embodiment plays the device of video, further includes；
Second judging unit 60, for judging whether the file video can normal play；
3rd execution unit 70, for the side for when the file video is unable to normal play, then selecting third party to play
Formula plays the video file.
When by way of system API come playing video file, the second judging unit 60 will determine that video to be played
Whether file can normal play
When the Format Type of video file to be played belongs to the Format Type of system API supports, when by system API but not
Can normal play video file to be played when, the mode that the 3rd execution unit 70 selection third party plays plays to be played regard
Frequency file so that when onboard system mistake occurs by system API playing video files, can also select optimal broadcast mode
Playing video file.
With reference to Fig. 7, the onboard system in the present embodiment plays the device of video, and second judging unit 60 includes：
Judgment module 610, for judging in preset time whether the video file to be decoded into audio stream and video
Stream；
Determination module 620, audio stream and video flowing cannot be decoded into for working as in preset time by the video file
When, then judge that the video file is unable to normal play.
Judgment module 610 by judge in preset time whether video file to be played to be decoded become audio stream and
Video flowing, so that can judge by system API come normal play video to be played.
When that video file decoding to be played cannot be become audio stream and video flowing in preset time, determination module
620 judge that video file to be played is unable to normal play；The audio stream and video flowing that onboard system is obtained by broadcast decoder,
Realize the playing video file by way of system API.When video file to be played being decoded in preset time become sound
When frequency stream and video flowing, then video file energy normal play to be played is judged；The mode for then selecting third party to play plays institute
State video file.
In conclusion the embodiment of the present invention has the beneficial effect that：Obtain video file；Analyze the form of the video file
Type；Judge the video file Format Type whether with system API support broadcast format type matching；If so, then select
The mode for selecting system API plays the video file；If it is not, the mode for then selecting third party to play plays the video file.
When the broadcast format type matching that the Format Type of video file to be played is supported with system API, onboard system will select logical
The mode for crossing system API plays video file to be played, when the Format Type of video file to be played is broadcast with what system API was supported
When putting Format Type mismatch, then the mode for selecting third party to play plays video file to be played so that onboard system energy
Suitable broadcast mode is selected according to the Format Type of video file to be played.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made, it is related to be directly or indirectly used in other
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of method that onboard system plays video, it is characterised in that including：
Obtain video file；
Analyze the Format Type of the video file；
Judge the video file Format Type whether with system API support broadcast format type matching；
If so, then the mode of system API is selected to play the video file.
2. the method that onboard system according to claim 1 plays video, it is characterised in that described to judge the video text
Include after the step of broadcast format type matching whether Format Type of part is supported with system API：
If it is not, the mode for then selecting third party to play plays the video file.
3. the method that onboard system according to claim 1 plays video, it is characterised in that described to judge the video text
Whether the Format Type of part includes with the system API methods of broadcast format type matching supported：
Judge the video file suffix whether with system API support broadcast format type suffix match.
4. the method that onboard system according to claim 1 plays video, it is characterised in that the selection system API's
Mode includes after playing the step of video file：
Judge the file video whether normal play：
If it is not, the mode for then selecting third party to play plays the video file.
5. the method that onboard system according to claim 4 plays video, it is characterised in that described to judge that the file regards
Frequency whether normal play the step of include：
Judge in preset time whether the video file to be decoded into audio stream and video flowing；
If it is not, then judge that the video file is unable to normal play.
6. a kind of onboard system plays the device of video, it is characterised in that including：
Acquiring unit, for obtaining video file；
Analytic unit, for analyzing the Format Type of the video file；
First judging unit, for judge the video file Format Type whether with system API support broadcast format class
Type matches；
First execution unit, for the broadcast format type matching supported when the Format Type of the video file with system API
When, then select the mode of system API to play the video file.
7. onboard system according to claim 6 plays the device of video, it is characterised in that further includes：
Second execution unit, for judging the Format Type and system API branch of the video file when first judging unit
When the broadcast format type held mismatches, then the mode for selecting third party to play plays the video file.
8. onboard system according to claim 6 plays the device of video, it is characterised in that the first judging unit tool
Body be used for judge the video file suffix whether with system API support broadcast format type suffix match.
9. onboard system according to claim 6 plays the device of video, it is characterised in that further includes；
Second judging unit, for judging whether the file video can normal play；
3rd execution unit, for when the file video is unable to normal play, then the mode for selecting third party to play to play
The video file.
10. onboard system according to claim 9 plays the device of video, it is characterised in that second judging unit
Including：
Judgment module, for judging in preset time whether the video file to be decoded into audio stream and video flowing；
Determination module, for when that the video file cannot be decoded into audio stream and video flowing in preset time, then sentencing
The fixed video file is unable to normal play.
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| CN201711378288.6A CN107995522A (en) | 2017-12-19 | 2017-12-19 | Onboard system plays the method and device of video |
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| CN201711378288.6A CN107995522A (en) | 2017-12-19 | 2017-12-19 | Onboard system plays the method and device of video |
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Family
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| CN113395585A (en) * | 2021-02-09 | 2021-09-14 | 腾讯科技（北京）有限公司 | Video detection method, video playing control method and device and electronic equipment |
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