CN104661083A - Video playing method and system as well as stream media playing method, device and system - Google Patents
Video playing method and system as well as stream media playing method, device and system Download PDFInfo
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- CN104661083A CN104661083A CN201510072229.0A CN201510072229A CN104661083A CN 104661083 A CN104661083 A CN 104661083A CN 201510072229 A CN201510072229 A CN 201510072229A CN 104661083 A CN104661083 A CN 104661083A
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- reproduction time
- adjustment
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Classifications
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4583—Automatically resolving scheduling conflicts, e.g. when a recording by reservation has been programmed for two programs in the same time slot
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
Abstract
The embodiment of the invention discloses a video playing method which comprises the following steps: receiving adjusted playing time; searching a key frame not later than the adjusted playing time in a video file; performing decoding from the key frame; starting playing from an image frame corresponding to the adjusted playing time. According to the embodiment of the invention, the key frame not later than the adjusted playing time is searched in the video file, the video file is decoded from the key frame, and the image frame earlier than the adjusted playing time is ignored, so that accurate playing is realized.
Description
Technical field
The embodiment of the present application relates to video display arts field, particularly relates to a kind of video broadcasting method, system, flow media playing method, Apparatus and system.
Background technology
At multimedia messagess such as transmission over networks audio/videos, mainly contain and download and stream transmission two schemes.Defeated audio/video file is general all comparatively large, so the memory capacity needed is also larger; Simultaneously due to the restriction of the network bandwidth, download and usually will spend several minutes even a few hours, so this processing method postpones also very large.During stream transmission, the time-base medias such as sound, image or animation by audio/video server to subscriber computer continuous, transmit in real time, user need not wait until that whole file is all downloaded complete, and only can need watch through the start-up study of several seconds or ten several seconds.When the time-base medias such as sound are play on a client, the remainder of file will continue in server on backstage to download.Stream transmission not only makes start-up study tenfold, hundred times of ground shorten, and do not need too large buffer memory capacity.Stream transmission avoids user and must wait for that the shortcoming that could watch all downloaded from the Internet by whole file.Along with the development of Internet technology, online Technology of Multimedia Stream Playing is widely used.
But user, when being used in line Technology of Multimedia Stream Playing and carrying out video playback, often cannot play by precise positioning.As dragged progress bar in a certain reproduction time as user, background process device searches the key frame of the reproduction time after being not later than this adjustment, carries out video file broadcasting from this key frame.Meanwhile, this problem is also present in the broadcasting of local video file.
Therefore, be necessary to provide a kind of new video broadcasting method, system, flow media playing method, Apparatus and system in fact.
Summary of the invention
The embodiment of the present application provides a kind of video broadcasting method, for realizing the accurate broadcasting of local video file.
The embodiment of the present application provides a kind of audio/video player system, for realizing the accurate broadcasting of local video file.
The embodiment of the present application provides a kind of flow media playing method, for realizing the accurate broadcasting of online Streaming Media.
The embodiment of the present application also provides a kind of streaming medium playing device, for realizing the accurate broadcasting of online Streaming Media.
The embodiment of the present application also provides a kind of stream media play system, for realizing the accurate broadcasting of online Streaming Media.
For solving the problems of the technologies described above, the embodiment of the present application provides:
A kind of video broadcasting method, comprising:
Obtain the reproduction time after adjustment;
The key frame of the reproduction time after being not later than described adjustment is found in video file;
Decode from described key frame;
Play from the picture frame that the reproduction time after described adjustment is corresponding.
A kind of audio/video player system, comprising:
Acquisition device, for obtaining the reproduction time after adjustment;
Processing unit, for finding the key frame of the reproduction time after being not later than described adjustment in video file; And decode from described key frame;
Playing device, for playing the picture frame corresponding from the reproduction time after described adjustment.
A kind of flow media playing method, comprising:
Receive the reproduction time after adjustment;
The key frame of the reproduction time after being not later than described adjustment is found in video file;
Decode from described key frame;
Encode to the picture frame corresponding from the reproduction time after described adjustment;
By the video file transfer after coding to playing foreground.
Further, when the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
Further, by coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
A kind of streaming medium playing device, comprising:
Receiver module, for receiving the reproduction time after adjustment;
Processing module, for finding the key frame of the reproduction time after being not later than described adjustment in video file; Decode from described key frame; Encode to the picture frame corresponding from the reproduction time after described adjustment;
Transport module, for by coding after video file transfer to playing foreground.
Further, described receiver module specifically for, when the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
Further, described transport module specifically for, by coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
A kind of stream media play system, comprising:
Online streaming medium playing device as above;
Play foreground, be connected to described streaming medium playing device, for receiving and playing video file;
Described broadcasting foreground concrete also for, when the reproduction time on described broadcasting foreground is undergone mutation, described broadcasting foreground obtains the reproduction time after adjustment, and the reproduction time after adjustment is transferred to streaming medium playing device.
Further, described system also comprises:
Live streaming media server, for receiving the video file of transmission from described streaming medium playing device, and by video file transfer to playing foreground.
Compared with prior art, the embodiment of the present application has following beneficial effect: the embodiment of the present application by finding the key frame of the reproduction time after being not later than adjustment in video file, video file from key frame is decoded, ignore the picture frame of the reproduction time after early than adjustment, thus realize precisely playing.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present application, form the part of the embodiment of the present application, the schematic application embodiment of the embodiment of the present application and explanation thereof, for explaining the embodiment of the present application, do not form the improper restriction to the embodiment of the present application.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the video broadcasting method that the embodiment of the present application provides;
Fig. 2 is the system construction drawing of the audio/video player system that the embodiment of the present application provides;
Fig. 3 is the schematic flow sheet of the flow media playing method that the embodiment of the present application provides;
Fig. 4 is the structural representation of the streaming medium playing device that the embodiment of the present application provides;
Fig. 5 is the system construction drawing of the stream media play system that the embodiment of the present application provides.
Embodiment
For making the object of the embodiment of the present application, technical scheme and advantage clearly, specifically apply for that embodiment and corresponding accompanying drawing are clearly and completely described the embodiment of the present application technical scheme below in conjunction with the embodiment of the present application.Obviously, described application embodiment is only the embodiment of the present application part application embodiment, instead of whole application embodiments.Based on the application embodiment in the embodiment of the present application, those of ordinary skill in the art are not making the every other application embodiment obtained under creative work prerequisite, all belong to the scope of the embodiment of the present application protection.
Fig. 1 is the schematic flow sheet of the video broadcasting method that the embodiment of the present application provides.
Described video broadcasting method, comprising:
S101: obtain the reproduction time after adjustment.
In the embodiment of the present application, operating main body is the processor of local computing.Described local computing also comprises memory, and described memory stores local video file.Described processor reads local video file and to go forward side by side row relax or broadcasting from memory.
In playing process, when the reproduction time of local video file undergos mutation (dragged as progress bar or manually input the reproduction time after adjustment), described processor obtains the reproduction time after adjustment.
S102: the key frame finding the reproduction time after being not later than described adjustment in video file.
Described processor, according to the reproduction time after adjustment, finds the key frame of the reproduction time after being not later than described adjustment in video file.
S103: decode from described key frame.
Described processor is decoded from described key frame.
S104: play from the picture frame that the reproduction time after described adjustment is corresponding.
Described processor is play from the picture frame that the reproduction time after described adjustment is corresponding.
Fig. 2 is the system construction drawing of the audio/video player system that the embodiment of the present application provides.
Described audio/video player system 100, comprising:
Acquisition device 101, for obtaining the reproduction time after adjustment.
Processing unit 102, for finding the key frame of the reproduction time after being not later than described adjustment in video file; And decode from described key frame.
Playing device 103, for playing the picture frame corresponding from the reproduction time after described adjustment.
Fig. 3 is the schematic flow sheet of the flow media playing method that the embodiment of the present application provides.
Described flow media playing method, comprising:
S201: receive the reproduction time after adjustment.
In the embodiment of the present application, operating main body is background process server.Described background process server is for the treatment of video file, and described background process server is connected with broadcasting foreground and live streaming media server respectively.Described broadcasting foreground is used for streaming media and carries out decoding broadcasting.Described direct broadcast server is used for Streaming Media to be quickly transferred to play foreground.
Described background process server receives the reproduction time after adjustment.
S202: the key frame finding the reproduction time after being not later than described adjustment in video file.
Described background process server, according to the reproduction time after adjustment, finds the key frame of the reproduction time after being not later than described adjustment in video file.
S203: decode from described key frame.
Described background process server is decoded from described key frame.
S204: encode to the picture frame corresponding from the reproduction time after described adjustment.
Described background process server carries out recompile to the picture frame corresponding from the reproduction time after described adjustment.
S205: by the video file transfer after coding to playing foreground.
Described background process server by the video file transfer after recompile to playing foreground.
In online Technology of Multimedia Stream Playing, in order to control taking and the light and flexible of play-back technology itself resource, the code system of online streaming media playing support is limited and fixing.Therefore, online flow media playing method comprises: the > that decodes encode one > decoding, to realize the code system supported from general code system changing into stream medium player, be finally supplied to play foreground play.
Further, when the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
In playing process, when the reproduction time of Streaming Media undergos mutation (dragged as progress bar or manually input the reproduction time after adjustment), described broadcasting foreground obtains the reproduction time after adjustment, and transfers to background process server.Described background process server receives the reproduction time after adjustment.
Further, by coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
The embodiment of the present application, by live streaming media server, by the video file transfer after coding to playing foreground.Therefore, the transmission of video file does not take or the less resource taking background process server, described live streaming media server can ensure the smoothness of streaming media playing, avoids when background process server process pressure is larger, the generation of the situation that video file cannot transmit.
Fig. 4 is the structural representation of the streaming medium playing device that the embodiment of the present application provides.
Described streaming medium playing device 200, comprising:
Receiver module 201, for receiving the reproduction time after adjustment.
Processing module 202, for finding the key frame of the reproduction time after being not later than described adjustment in video file; Decode from described key frame; Encode to the picture frame corresponding from the reproduction time after described adjustment.
Transport module 203, for by coding after video file transfer to playing foreground.
Further, described receiver module 201 specifically for, when the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
Further, described transport module 203 specifically for, by coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
Fig. 5 is the system construction drawing of the stream media play system that the embodiment of the present application provides.
Described stream media play system, comprising:
Online streaming medium playing device 200 as above;
Play foreground 300, be connected to described streaming medium playing device 200, for receiving and playing video file.
Described broadcasting foreground 300 concrete also for, when the reproduction time on described broadcasting foreground 300 is undergone mutation, described broadcasting foreground 300 obtains the reproduction time after adjustment, and the reproduction time after adjustment is transferred to streaming medium playing device 200.
Further, described system also comprises:
Live streaming media server 400, for receiving the video file of transmission from described streaming medium playing device 200, and by video file transfer to playing foreground 300.
The embodiment of the present application, by finding the key frame of the reproduction time after being not later than adjustment in video file, is decoded to the video file from key frame, ignores the picture frame of the reproduction time after early than adjustment, thus realizes precisely playing.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
In one typically configuration, computing equipment comprises one or more processor (CPU), input/output interface, network interface and internal memory.
Internal memory may comprise the volatile memory in computer-readable medium, and the forms such as random access memory (RAM) and/or Nonvolatile memory, as read-only memory (ROM) or flash memory (flashRAM).Internal memory is the example of computer-readable medium.
Computer-readable medium comprises permanent and impermanency, removable and non-removable media can be stored to realize information by any method or technology.Information can be computer-readable instruction, data structure, the module of program or other data.The example of the storage medium of computer comprises, but be not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic random access memory (DRAM), the random access memory (RAM) of other types, read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tape, tape magnetic rigid disk stores or other magnetic storage apparatus or any other non-transmitting medium, can be used for storing the information can accessed by computing equipment.According to defining herein, computer-readable medium does not comprise temporary computer readable media (transitory media), as data-signal and the carrier wave of modulation.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, product or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, product or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, product or the equipment comprising described key element and also there is other identical element.
It will be understood by those skilled in the art that the embodiment of the application can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The foregoing is only the embodiment of the application, be not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any amendment done within all spirit in the application and principle, equivalent replacement, improvement etc., within the right that all should be included in the application.
Claims (10)
1. a video broadcasting method, is characterized in that, comprising:
Obtain the reproduction time after adjustment;
The key frame of the reproduction time after being not later than described adjustment is found in video file;
Decode from described key frame;
Play from the picture frame that the reproduction time after described adjustment is corresponding.
2. an audio/video player system, is characterized in that, comprising:
Acquisition device, for obtaining the reproduction time after adjustment;
Processing unit, for finding the key frame of the reproduction time after being not later than described adjustment in video file; And decode from described key frame;
Playing device, for playing the picture frame corresponding from the reproduction time after described adjustment.
3. a flow media playing method, is characterized in that, comprising:
Receive the reproduction time after adjustment;
The key frame of the reproduction time after being not later than described adjustment is found in video file;
Decode from described key frame;
Encode to the picture frame corresponding from the reproduction time after described adjustment;
By the video file transfer after coding to playing foreground.
4. method as claimed in claim 3, is characterized in that,
Receive the reproduction time after adjustment, specifically comprise:
When the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
5. method as claimed in claim 1 or 2, is characterized in that,
By the video file transfer after coding to playing foreground, specifically comprise:
By coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
6. a streaming medium playing device, is characterized in that, comprising:
Receiver module, for receiving the reproduction time after adjustment;
Processing module, for finding the key frame of the reproduction time after being not later than described adjustment in video file; Decode from described key frame; Encode to the picture frame corresponding from the reproduction time after described adjustment;
Transport module, for by coding after video file transfer to playing foreground.
7. device as claimed in claim 6, is characterized in that,
Described receiver module specifically for, when the reproduction time on described broadcasting foreground is undergone mutation, receive the reproduction time of transmission after the adjustment on described broadcasting foreground.
8. device as claimed in claims 6 or 7, is characterized in that,
Described transport module specifically for, by coding after video file transfer to live streaming media server, described live streaming media server by coding after video file transfer to playing foreground.
9. a stream media play system, is characterized in that, comprising:
Online streaming medium playing device as described in claim 6 or 7 or 8;
Play foreground, be connected to described streaming medium playing device, for receiving and playing video file;
Described broadcasting foreground concrete also for, when the reproduction time on described broadcasting foreground is undergone mutation, described broadcasting foreground obtains the reproduction time after adjustment, and the reproduction time after adjustment is transferred to streaming medium playing device.
10. system as claimed in claim 9, is characterized in that,
Described system also comprises:
Live streaming media server, for receiving the video file of transmission from described streaming medium playing device, and by video file transfer to playing foreground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072229.0A CN104661083A (en) | 2015-02-06 | 2015-02-06 | Video playing method and system as well as stream media playing method, device and system |
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| CN201510072229.0A CN104661083A (en) | 2015-02-06 | 2015-02-06 | Video playing method and system as well as stream media playing method, device and system |
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| CN104661083A true CN104661083A (en) | 2015-05-27 |
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| CN112291591A (en) * | 2020-09-21 | 2021-01-29 | 浙江大华技术股份有限公司 | Video data playback method, electronic equipment and storage medium |
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Application publication date: 20150527 |