CN106169998B - The treating method and apparatus of media file - Google Patents
The treating method and apparatus of media file Download PDFInfo
- Publication number
- CN106169998B CN106169998B CN201610552779.7A CN201610552779A CN106169998B CN 106169998 B CN106169998 B CN 106169998B CN 201610552779 A CN201610552779 A CN 201610552779A CN 106169998 B CN106169998 B CN 106169998B
- Authority
- CN
- China
- Prior art keywords
- data
- file
- audio
- live
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23116—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving data replication, e.g. over plural servers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
-
- 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
- H04N21/440263—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 altering the spatial resolution, e.g. for displaying on a connected PDA
Abstract
The invention discloses a kind for the treatment of method and apparatus of media file.Wherein, this method comprises: acquiring media file by terminal；The media file is encoded to obtain Backup Data using the first coding mode, and the media file is encoded to obtain live data using the second coding mode, wherein, the distortion rate of first coding mode is lower than the distortion rate of second coding mode；The Backup Data is stored in the local of the terminal, and passes through live data described in network transmission.The present invention solves obtains live data and the lower technical problem of Backup Data efficiency in the prior art.
Description
Technical field
The present invention relates to MultiMedia Fields, in particular to a kind for the treatment of method and apparatus of media file.
Background technique
The camera shooting terminals such as existing web camera generally have there are two types of function, another one is recording local video
Kind is net cast.Wherein, the video file that local video is recorded will be stored in storage card under normal circumstances, for being stored in
Video file in storage card, the often higher video file of resolution ratio, that is to say, that the video file being locally stored is general
It is the video file of high definition, so that user can check afterwards.Net cast refers to that the video file for recording camera shooting terminal leads to
It crosses network to play out in video terminal, due to the limitation of network, the video file for net cast is usually resolution ratio
Lower video file, to guarantee smoothness of video during live streaming.It is therefore desirable to the video text that local video is recorded
Part and video file for net cast are provided separately.
In the prior art, the video file for local video recording and the video file for net cast are generating
It in the process, is one group of image data of acquisition, wherein the image data of acquisition is high-resolution image data.Then, by right
This group of image data replicated, drop frame and the mode of coding obtains the video file for net cast.But invention human hair
It is existing, since the image data of acquisition is the image data of high definition, in a replication process, extend the processing of video file
Time affects the live streaming effect of video.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind for the treatment of method and apparatus of media file, at least to solve to obtain in the prior art
Cut-off multicast data and the lower technical problem of Backup Data efficiency.
According to an aspect of an embodiment of the present invention, a kind of processing method of media file is provided, comprising: pass through terminal
Acquire media file；The media file is encoded using the first coding mode to obtain Backup Data, and is compiled using second
Code mode is encoded to obtain live data to the media file, wherein the distortion rate of first coding mode is lower than institute
State the distortion rate of the second coding mode；The Backup Data is stored in the local of the terminal, and by described in network transmission
Live data.
According to another aspect of an embodiment of the present invention, a kind of processing unit of media file is additionally provided, comprising: coding is single
Member is obtained Backup Data for being encoded using the first coding mode to the media file, and uses the second coding mode
The media file is encoded to obtain live data, wherein the distortion rate of first coding mode is lower than described second
The distortion rate of coding mode；First processing units for the Backup Data to be stored in the local of the terminal, and pass through net
Network transmits the live data.
In embodiments of the present invention, the media file is encoded to obtain backup number using using the first coding mode
According to, and the media file is encoded to obtain live data using the second coding mode, wherein first coding mode
Distortion rate be lower than second coding mode distortion rate；The Backup Data is stored in the local of the terminal, and is led to
Cross live data mode described in network transmission, by two kinds of different coding modes of distortion rate to collected media file into
Row coded treatment obtains the different two kinds of video files of resolution ratio, and then has reached and do not needed to replicate media file
It is obtained with the purpose of live data and Backup Data, quickly and efficiently obtains live data and Backup Data to realize
Technical effect, and then solve and obtain live data and the lower technical problem of Backup Data efficiency in the prior art.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the hardware environment schematic diagram of the processing method of media file according to an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the processing method of media file according to an embodiment of the present invention；
Fig. 3 is the flow chart of the processing method of another media file according to an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the processing unit of media file according to an embodiment of the present invention；And
Fig. 5 is according to an embodiment of the present invention a kind of for implementing the terminal of the processing method of above-mentioned media file.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the method that can be executed by the application Installation practice is provided,
It should be noted that step shown in the flowchart of the accompanying drawings can be in the department of computer science of such as a group of computer-executable instructions
It is executed in system, although also, logical order is shown in flow charts, and it in some cases, can be to be different from herein
Sequence execute shown or described step.
This application involves the explanations of the technical term arrived:
Code rate: referring to bit (bit) number of transmission per second, and unit is bps (Bit Per Second), wherein bit rate
Higher, transmission data speed is faster.Bit rate in sound refers to analoging sound signal is converted into digital audio signal after, it is single
Binary data amount in the time of position, is an index of indirect measure audio quality.Bit rate (code rate) principle in video
It is identical as in sound, all refer to after being converted to digital signal by analog signal, the binary data amount in the unit time.
Frame per second: frame per second (Frame rate) is the measurement for measuring display frame number.So-called measurement unit is per second aobvious
Show frame number (Frames per Second, referred to as: FPS) or " hertz " (Hz).
Resolution ratio: resolution ratio can classify from display resolution with image resolution ratio both direction.Display resolution (screen
Curtain resolution ratio) be screen picture precision, refer to pixel that display can be shown how many.
According to embodiments of the present invention, a kind of processing method of media file is provided.
Optionally, in the present embodiment, the processing method of above-mentioned media file can be applied to terminal as shown in Figure 1
102 and the hardware environment that is constituted of server 104 in.As shown in Figure 1, terminal 102 is connected by network with server 104
Connect, above-mentioned network includes but is not limited to: mobile communications network, wide area network, Metropolitan Area Network (MAN) or local area network, terminal 102 can be camera shooting
Machine is also possible to the camera shooting terminal that mobile phone, PC terminal, notebook terminal or tablet computer terminal etc. can be used in camera shooting.
The main operational principle of hardware environment system shown in Fig. 1 is:
In embodiments of the present invention, the media file that photographic device (for example, video camera) is recorded can be acquired with terminal 102,
Including audio file and video file.Then, in terminal 102, to collected media file according in the first coding mode
Indicated coding parameter encodes media file, obtains Backup Data, and according to indicated in the second coding mode
Coding parameter encodes media file, obtains live data.In embodiments of the present invention, Backup Data will be stored in terminal
Local, to facilitate user to check afterwards, for example, be stored in RAM card of terminal etc. storage equipment in；Live data is for leading to
It crosses network (for example, internet) to transmit to server 104, to realize the live streaming to live data.Under normal circumstances, it is stored in end
It holds the high resolution of local Backup Data in the live data for live streaming, therefore, is passing through the first coding mode to media
Document No. obtains Backup Data, and when being encoded to obtain live data to media file by the second coding mode, it is desirable that
The distortion rate of first coding mode guarantees the high resolution of Backup Data in straight in turn lower than the distortion rate of the second coding mode
The resolution ratio of multicast data.
Fig. 2 is the flow chart of the processing method of media file according to an embodiment of the present invention, below in conjunction with Fig. 2 to the present invention
The processing method of media file provided by embodiment does specific introduction, as shown in Fig. 2, the processing method of the media file is main
Include the following steps S202 to step S206:
Step S202 acquires media file by terminal；
It in embodiments of the present invention, include audio file and video file in media file, wherein can be adopted by terminal
Collect the video file that photographic device (for example, video camera) is recorded, wherein the terminal is mobile phone terminal, PC terminal, notebook terminal
With the intelligent terminals such as tablet computer.
Step S204 encodes media file using the first coding mode to obtain Backup Data, and is compiled using second
Code mode encodes media file to obtain live data, wherein the distortion rate of the first coding mode is lower than the second coding staff
The distortion rate of formula；
After collecting media file by terminal, so that it may to collected media file according to the first coding staff
Formula and the second coding mode are separately encoded.It specifically, can be according to coding parameter pair indicated in the first coding mode
Media file is encoded, and Backup Data is obtained, at the same time it can also according to the coding parameter indicated in the second coding mode to matchmaker
Body file is encoded, and live data is obtained.Under normal circumstances, the high resolution of the Backup Data encoded is in encoding
To live data, because in an encoding process, indicated distortion rate is lower than institute in the second coding mode in the first coding mode
The distortion rate of instruction.
In embodiments of the present invention, if distortion rate is higher, show that the clarity of the video is lower；If distortion rate is got over
It is low, then show that the clarity of the video is higher.
Backup Data is stored in the local of terminal, and passes through network transmission live data by step S206；
In embodiments of the present invention, Backup Data can be stored in the local memory of terminal, for example, intelligent mobile phone terminal
Exented memory card or computer " D disk " or " E disk " medium storage device；Terminal can will be above-mentioned straight by internet
Unicast data transmission is to server, to realize the live streaming to live data.
In embodiments of the present invention, collected media file is carried out by two kinds of different coding modes of distortion rate
Coded treatment obtains the different two kinds of video files of resolution ratio, and then has reached and do not needed to replicate just media file
The purpose of live data and Backup Data can be obtained, quickly and efficiently obtains live data and Backup Data to realize
Technical effect, and then solve and obtain live data and the lower technical problem of Backup Data efficiency in the prior art.
The description in S202 is it is found that in embodiments of the present invention through the above steps, media file include video file and
Audio file, wherein can be by with video camera recording medium file, and pass through terminal acquisition camera recording medium text
Part, wherein video camera can be attached with terminal by wired mode.Therefore, to media file according to the first coding staff
When formula is encoded, collected video file and audio file can be compiled respectively respectively using the first coding mode
Code, obtains the video backup data of video file and the audio backup data of audio file.Wherein, include in the first coding mode
Coding parameter for being encoded to media file, for example, the parameters such as resolution ratio and code prosecutor formula.
In the above embodiment of the present invention, the format of video file can be rgb format, can also be yuv format；Video
The resolution ratio of file can be 720P, can also be 1080P；The frame per second of video file can be set to 15-30fps；Audio text
The format of part can be the formats such as mp4 or mp3.
To the video file in media file and after audio file encodes according to the first coding mode, so that it may
To after coding video backup data and audio backup data be packaged, the data after being encapsulated are (that is, obtain backup number
According to), and the data after encapsulation are stored in the local of terminal, wherein the format of the data after encapsulating can for mov format or
Person's mp4 format etc..Specifically, mode video backup data and audio backup data being packaged can there are many kinds of, example
Such as, video backup data are put into video track, audio backup data are put into audio track, and then obtain packaged data, i.e.,
Backup Data.
It should be noted that in embodiments of the present invention, supporting H.264 coding and H.263 encoding, that is to say, that is above-mentioned
H.264, first coding mode can be to encode, can also be H.263 to encode, and user can choose specifically according to actual needs
Coding mode.
In a specific embodiment, the sport of " zz glasss " held in " yy country " is broadcast live by " xx sports show "
Race.Specifically, camera work personnel can record sport acquisition in " yy country ", then, be acquired by terminal
The media file for the competitive sports that video camera is recorded, wherein media file includes video file and audio file, collected view
The format of frequency file is rgb format, and the resolution ratio of collected video file is 1080P, the frame per second of collected video file
For 20fps.It, can be by the first coding mode (for example, H.264 encoding after being acquired by terminal to media file
Mode) video file in media file is encoded, obtain video backup data, and by the first coding mode (for example,
H.264 coding mode) audio file in media file is encoded, obtain audio backup data.Then, by audio backup
Data and video backup data are packaged, and obtain Backup Data, wherein after encapsulation, obtained Backup Data can be mov
The data of format can also be the data of mp4 format.After the Backup Data after being encapsulated, so that it may sport match
The Backup Data of thing is stored in terminal local, checks so that user is subsequent.
In the above-described embodiments, it describes and media file is encoded according to the first coding mode, obtain Backup Data；
While being encoded to obtain Backup Data to media file, in the embodiment of the present invention, it can also be collected to by terminal
Media file video file and audio file are encoded respectively using the second coding mode, obtain the video of video file
The live audio data of live data and audio file.It wherein, include for being compiled to media file in the second coding mode
The coding parameter of code, for example, the parameters such as resolution ratio and code prosecutor formula.
In the above embodiment of the present invention, the format of video file can be rgb format, can also be yuv format；Video
The resolution ratio of file can be 720P, can also be 1080P；It can be set to by the frame per second of the collected video file of terminal
15-30fps；The format of audio file can be the formats such as mp4 or mp3.
To the video file in media file and after audio file encodes according to the second coding mode, so that it may
To after coding net cast data and live audio data be packaged, data after being encapsulated are (that is, obtain live streaming number
According to), and the data preservation after encapsulation is transmitted through the network in server, wherein the format of the live data after encapsulating
It can be the formats such as mov format or mp4.Specifically, mode net cast data and live audio data being packaged
Can there are many kinds of, for example, net cast data are put into video track, live audio data are put into audio track, and then obtain
Packaged data, i.e. live data.
It should be noted that in embodiments of the present invention, supporting H.264 coding and H.263 encoding, that is to say, that is above-mentioned
H.264, second coding mode can be to encode, can also be H.263 to encode, and user can choose specifically according to actual needs
Coding mode.
In a specific embodiment, it is assumed that is held above by " xx sports show " live streaming in " yy country "
The competitive sports of " zz glasss ".After the media file recorded by terminal to video camera is acquired, it can be compiled by second
Code mode (for example, H.264 coding mode) encodes the video file in media file, obtains net cast data, and
The audio file in media file is encoded by the second coding mode (for example, H.264 coding mode), it is straight to obtain audio
Multicast data.Then, live audio data and net cast data are packaged, obtain Backup Data, wherein after encapsulation,
Obtained Backup Data can be the data of flv format.It, can be by live data after the live data after being encapsulated
It is transmitted through the network to server, in this way, for real-time broadcasting can be watched in " xx sports show " website
?.
As can be seen from the above description, in embodiments of the present invention, media file can be carried out by the first coding mode
Coding, obtains Backup Data, and encode simultaneously by the second coding mode to media file, obtains live data, wherein
The distortion rate of first coding mode is lower than the distortion rate of the second coding mode, that is to say, that encode to media file
When to live data, frame rate reduction processing has been carried out to media file, so that, the resolution ratio of live data is lower than the resolution of Backup Data
Rate.However, in the prior art, the high definition media file that resolution ratio is 1080P can also be recorded, then, by the media of high definition
File is stored in local, at the same time it can also replicate the media file of 1080P, then, the media file of 1080P is handled to obtain
For the video file of live streaming, still, since the media file that resolution ratio is 1080P is larger, in a replication process, wave
Many times are taken, if the media file of 720P is chosen, it cannot be guaranteed that being stored in the clarity of local video file.Cause
This, can be in the high quality for the Backup Data for guaranteeing to be locally stored using media file playing method provided in an embodiment of the present invention
Under the premise of, it equally can be realized the data volume for reducing network transmission video.
After being encoded to obtain live data to media file to the second coding mode of use in above-mentioned steps S204,
Above-mentioned live data can be acquired using default code rate in video playing terminal.Then, last moment transmission live data is obtained
When network transfer speeds, and according to the network transfer speeds of last moment adjust current time frame to be transmitted transmission code
Rate, wherein transmission code rate is set as increasing as network transfer speeds are accelerated, and presets code rate not when adjusting transmission code rate
Become.
In a specific embodiment, it is assumed that is held above by " xx sports show " live streaming in " yy country "
The competitive sports of " zz glasss ".Live data from terminal available last moment to the competitive sports of server transport " zz glasss " when
Network transfer speeds, if last moment network transfer speeds be less than current time network transfer speeds, that is to say, that network
Transmission speed is accelerated, at this point it is possible to increase the transmission code rate of transmission live data；If last moment network transfer speeds are greater than
Current time network transfer speeds, that is to say, that network transfer speeds slow down, at this point it is possible to reduce the biography of transmission live data
Defeated code rate.It should be noted that acquiring the default of live data in transmission code rate of the adjustment to server transport live data
Code rate remains unchanged.
To sum up, in the processing method of media file provided in an embodiment of the present invention, if video camera recording is high score
The media file of resolution, before transmitting live data, can in its media file video file and audio file carry out
Separation.For video file, encoded to obtain video backup data using the first coding mode, and pass through the second coding mode
It is encoded to obtain net cast data, wherein the video backup data of the high code rate obtained by the first coding mode are used for
Backup is recording end without transmission, and the net cast data of the low bit- rate obtained by the second coding mode can be used for
Broadcasting end is transferred to be broadcast live.Similarly, for audio file, can also be encoded to obtain sound using the first coding mode
Frequency Backup Data, and encoded to obtain live audio data by the second coding mode, wherein it is obtained by the first coding mode
The audio backup data of the high code rate arrived are recording end without transmission for backing up, and are obtained by the second coding mode
The live audio data of low bit- rate can be used for being transferred to broadcasting end and be broadcast live.Finally, by the high code rate of front backup coding
Video backup data and audio backup data be packaged into the formats Backup Data such as mov or mp4, and be stored in terminal sheet
Ground；And the live data that net cast data and live audio data be packaged into the formats such as flv is subjected to transmission transmission.
Fig. 3 is the flow chart of the processing method of another media file according to an embodiment of the present invention, as shown in figure 3, should
The processing method of media file mainly includes the following steps S301 to step S306:
Step S301 acquires video file and audio file, wherein video file and audio file are that terminal is got
Media file；
In the above embodiment of the present invention, it can be rgb format by the format of video file, can also be yuv format；
The resolution ratio of video file can be 720P, can also be 1080P；The frame per second of video file can be set to 15-30fps audio
The format of file can be the formats such as mp4 or mp3.
Step S302, wherein step S302 includes step S3021 and step S3022；
Step S3021 encodes audio file and video file by the first coding mode, obtains audio backup number
According to video backup data；
Step S3022 encodes audio file and video file by the second coding mode, obtains live audio number
According to net cast data；
In embodiments of the present invention, after getting video file and audio file, the first coding mode can be passed through
Video file and audio file are encoded, audio backup data and video backup data are obtained.At the same time it can also pass through the
Two coding modes encode audio file and video file, obtain live audio data and net cast data.
It should be noted that in embodiments of the present invention, supporting H.264 coding and H.263 encoding, that is to say, that is above-mentioned
H.264, second coding mode can be to encode, can also be H.263 to encode, and user can choose specifically according to actual needs
Coding mode.
Step S303, wherein step S303 includes step S3031 and step S3032；
Step S3031, is packaged video backup data and audio backup data, the data after being encapsulated；
Step S3032, is packaged net cast data and live audio data, the data after being encapsulated；
In embodiments of the present invention, after executing step S3021, obtain video backup data and audio backup data it
Afterwards, video backup data and audio backup data can be packaged, obtains Backup Data, and execute following step S3041,
Data after will encapsulating are stored in the local of terminal, for example, being stored in " the D disk " or " E disk " of computer.Executing step
It, can be by net cast data and live audio number after obtaining net cast data and live audio data after rapid S3022
It according to being packaged, obtains live data, and executes following step S3042, i.e., the data after being encapsulated by network transmission, for example,
Live data is transmitted in server, the live streaming of video is carried out.
Step S304, wherein step S304 includes step S3041 and step S3042；
Data after encapsulation are stored in the local of terminal by step S3041；
Step S3042, the data after being encapsulated by network transmission.
In the processing method of media file provided in an embodiment of the present invention, duplication does not acquire the original YUV number of output
According to, but same a media file is separately encoded according to the first coding mode and the second coding mode, obtain Backup Data and
Live data.Further, during live data is uploaded in terminal to server, if network environment difference is to being not enough to
It, can be by reducing the transmission code rate of the transmission frame at current time, so that postponing to reach flat with network speed when transmitting whole frame numbers
Weighing apparatus.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 2
According to embodiments of the present invention, it additionally provides a kind of for implementing the media file of the processing method of above-mentioned media file
Processing unit, the processing unit of the media file be mainly used for execute above content of the embodiment of the present invention provided by media text
The processing method of part, the processing unit for being provided for the embodiments of the invention media file below do specific introduction:
Fig. 4 is the schematic diagram of the processing unit of media file according to an embodiment of the present invention, as shown in figure 4, the media are literary
The processing unit of part specifically includes that the first acquisition unit 401, coding unit 402 and storage unit 403, in which:
First acquisition unit 401, for acquiring media file by terminal；
It in embodiments of the present invention, include audio file and video file in media file, wherein can be adopted by terminal
Collect the video file that photographic device (for example, video camera) is recorded, wherein the terminal is mobile phone terminal, PC terminal, notebook terminal
With the intelligent terminals such as tablet computer.
Coding unit 402 for being encoded to obtain Backup Data to media file using the first coding mode, and uses
Second coding mode encodes media file to obtain live data, wherein the distortion rate of the first coding mode is lower than second
The distortion rate of coding mode；
After collecting media file by terminal, so that it may to collected media file according to the first coding staff
Formula and the second coding mode are separately encoded.It specifically, can be according to coding parameter pair indicated in the first coding mode
Media file is encoded, and Backup Data is obtained, at the same time it can also according to the coding parameter indicated in the second coding mode to matchmaker
Body file is encoded, and live data is obtained.Under normal circumstances, the high resolution of the Backup Data encoded is in encoding
To live data, because in an encoding process, indicated distortion rate is lower than institute in the second coding mode in the first coding mode
The distortion rate of instruction.
In embodiments of the present invention, if distortion rate is higher, show that the clarity of the video is lower；If distortion rate is got over
It is low, then show that the clarity of the video is higher.
Storage unit 403 for Backup Data to be stored in the local of terminal, and passes through network transmission live data.
In embodiments of the present invention, Backup Data can be stored in the local memory of terminal, for example, intelligent mobile phone terminal
Exented memory card or computer " D disk " or " E disk " medium storage device；Live data can then be passed by internet
Server is transported to, to realize the live streaming to live data.
In embodiments of the present invention, collected media file is carried out by two kinds of different coding modes of distortion rate
Coded treatment obtains the different two kinds of video files of resolution ratio, and then has reached and do not needed to replicate just media file
The purpose of live data and Backup Data can be obtained, quickly and efficiently obtains live data and Backup Data to realize
Technical effect, and then solve and obtain live data and the lower technical problem of Backup Data efficiency in the prior art.
Optionally, media file includes video file and audio file, and coding unit includes: the first coding module, is used for
Video file and audio file are encoded respectively using the first coding mode, obtain video file video backup data and
The audio backup data of audio file.
Optionally, storage unit includes: the first package module, in the video backup data and sound for obtaining video file
After the audio backup data of frequency file, video backup data and audio backup data are packaged, the number after being encapsulated
According to；First preserving module, for the data after encapsulation to be stored in the local of terminal.
In embodiments of the present invention, media file includes video file and audio file, wherein can be by having camera shooting
Machine recording medium file, and pass through terminal acquisition camera recording medium file, wherein video camera can be by wired with terminal
Mode is attached.Therefore, when encoding to media file according to the first coding mode, the first coding mode can be used
Collected video file and audio file are encoded respectively respectively, obtain the video backup data and audio of video file
The audio backup data of file.It wherein, include coding parameter for being encoded to media file, example in the first coding mode
Such as, the parameters such as resolution ratio and code prosecutor formula.
In the above embodiment of the present invention, the format of video file can be rgb format, can also be yuv format；Video
The resolution ratio of file can be 720P, can also be 1080P；The frame per second of video file can be set to 15-30fps；Audio text
The format of part can be the formats such as mp4 or mp3.
To the video file in media file and after audio file encodes according to the first coding mode, so that it may
To after coding video backup data and audio backup data be packaged, the data after being encapsulated are (that is, obtain backup number
According to), and the data after encapsulation are stored in the local of terminal, wherein the format of the data after encapsulating can for mov format or
The formats such as person mp4.Specifically, mode video backup data and audio backup data being packaged can there are many kinds of, example
Such as, video backup data are put into video track, audio backup data are put into audio track, and then obtain packaged data, i.e.,
Backup Data.
It should be noted that in embodiments of the present invention, supporting H.264 coding and H.263 encoding, that is to say, that is above-mentioned
H.264, first coding mode can be to encode, can also be H.263 to encode, and user can choose specifically according to actual needs
Coding mode.
Optionally, media file includes video file and audio file, and coding unit includes: the second coding module, is used for
Video file and audio file are encoded respectively using the second coding mode, obtain video file net cast data and
The live audio data of audio file.
It optionally, include: the second package module by network transmission live data, in the video for obtaining video file
After live data and the live audio data of audio file, net cast data and live audio data are packaged, are obtained
Data after to encapsulation；Second preserving module, for the data after being encapsulated by network transmission.
In the above-described embodiments, it describes and media file is encoded according to the first coding mode, obtain Backup Data；
While being encoded to obtain Backup Data to media file, in the embodiment of the present invention, it can also be collected to by terminal
Media file video file and audio file are encoded respectively using the second coding mode, obtain the video of video file
The live audio data of live data and audio file.It wherein, include for being compiled to media file in the second coding mode
The coding parameter of code, for example, the parameters such as resolution ratio and code prosecutor formula.
In the above embodiment of the present invention, the format of video file can be rgb format, can also be yuv format；Video
The resolution ratio of file can be 720P, can also be 1080P；It can be set to by the frame per second of the collected video file of terminal
15-30fps；The format of audio file can be the formats such as mp4 or mp3.
To the video file in media file and after audio file encodes according to the second coding mode, so that it may
To after coding net cast data and live audio data be packaged, data after being encapsulated are (that is, obtain live streaming number
According to), and the data preservation after encapsulation is transmitted through the network in server, wherein the format of the live data after encapsulating
It can be the formats such as mov format or mp4.Specifically, mode net cast data and live audio data being packaged
Can there are many kinds of, for example, net cast data are put into video track, live audio data are put into audio track, and then obtain
Packaged data, i.e. live data.
It should be noted that in embodiments of the present invention, supporting H.264 coding and H.263 encoding, that is to say, that is above-mentioned
H.264, second coding mode can be to encode, can also be H.263 to encode, and user can choose specifically according to actual needs
Coding mode.
In a specific embodiment, it is assumed that is held above by " xx sports show " live streaming in " yy country "
The competitive sports of " zz glasss ".After the media file recorded by terminal to video camera is acquired, it can be compiled by second
Code mode (for example, H.264 coding mode) encodes the video file in media file, obtains net cast data, and
The audio file in media file is encoded by the second coding mode (for example, H.264 coding mode), it is straight to obtain audio
Multicast data.Then, live audio data and net cast data are packaged, obtain Backup Data, wherein after encapsulation,
Obtained Backup Data can be the data of flv format.It, can be by live data after the live data after being encapsulated
It is transmitted through the network to server, in this way, for real-time broadcasting can be watched in " xx sports show " website
?.
Optionally, device further include: the second acquisition unit, for being compiled using the second coding mode to media file
After code obtains live data, live data is acquired using default code rate；Acquiring unit, for obtaining last moment transmission live streaming
Network transfer speeds when data；Adjustment unit, for according to the network transfer speeds of last moment adjust current time to
The transmission code rate of transmission frame, wherein transmission code rate is arranged to increase as network transfer speeds are accelerated, in adjustment transmission code
It is constant that code rate is preset when rate.
It is above-mentioned to being encoded to obtain live data to media file using the second coding mode after, can be in video
Playback terminal acquires above-mentioned live data using default code rate.Then, network when obtaining last moment transmission live data passes
Defeated speed, and the transmission code rate of the frame to be transmitted according to the network transfer speeds of last moment adjustment current time, wherein transmission
Code rate is set as increasing as network transfer speeds are accelerated, and default code rate is constant when adjusting transmission code rate.
In a specific embodiment, it is assumed that is held above by " xx sports show " live streaming in " yy country "
The competitive sports of " zz glasss ".Live data from terminal available last moment to the competitive sports of server transport " zz glasss " when
Network transfer speeds, if last moment network transfer speeds be less than current time network transfer speeds, that is to say, that network
Transmission speed is accelerated, at this point it is possible to increase the transmission code rate of transmission live data；If last moment network transfer speeds are greater than
Current time network transfer speeds, that is to say, that network transfer speeds slow down, at this point it is possible to reduce the biography of transmission live data
Defeated code rate.It should be noted that acquiring the default of live data in transmission code rate of the adjustment to server transport live data
Code rate remains unchanged.
Embodiment 3
According to embodiments of the present invention, additionally provide it is a kind of for implementing the terminal of the processing method of above-mentioned media file, such as
Shown in Fig. 5, which mainly includes processor 501, camera 502, display 503, data-interface 504, memory 505 and net
Network interface 506, in which:
Camera 502 is mainly used for recording medium file.
Data-interface 504 then mainly obtains the media file of third party's tool recording in such a way that data are transmitted.
Memory 505 is mainly used for storing the Backup Data encoded according to the first coding mode and according to the second coding
The live data that mode encodes.
Network interface 506 is mainly used for carrying out network communication with server, is used for server transport live data.
Display 503 is mainly used for showing live data or Backup Data.
Processor 501 is mainly used for performing the following operations:
Media file is acquired by terminal；Media file is encoded to obtain Backup Data using the first coding mode,
And media file is encoded to obtain live data using the second coding mode, wherein the distortion rate of the first coding mode is low
In the distortion rate of the second coding mode；Backup Data is stored in the local of terminal, and passes through network transmission live data.
Processor 501 is also used to acquire live data using default code rate；When acquisition last moment transmission live data
Network transfer speeds；The transmission code rate of the frame to be transmitted at current time is adjusted according to the network transfer speeds of last moment, wherein
Transmission code rate is arranged to increase as network transfer speeds are accelerated, and it is constant that code rate is preset when adjusting transmission code rate.
Processor 501 is also used in the case where media file includes video file and audio file, using the first coding
Mode respectively encodes video file and audio file, obtains the video backup data of video file and the sound of audio file
Frequency Backup Data.
Processor 501 be also used to the video backup data and audio file that obtain video file audio backup data it
Afterwards, video backup data and audio backup data are packaged, the data after being encapsulated；Data after encapsulation are stored in
The local of terminal.
Processor 501 is also used in the case where media file includes video file and audio file, using the second coding
Mode respectively encodes video file and audio file, obtains the net cast data of video file and the sound of audio file
Frequency live data.
Processor 501 be also used to the net cast data and audio file that obtain video file live audio data it
Afterwards, net cast data and live audio data are packaged, the data after being encapsulated；After being encapsulated by network transmission
Data.
Optionally, the specific example in the present embodiment can be shown with reference to described in above-described embodiment 1 and embodiment 2
Example, details are not described herein for the present embodiment.
Embodiment 4
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
The program code of the processing method of the media file of the embodiment of the present invention for storage.
Optionally, in the present embodiment, above-mentioned storage medium can be located at mobile communications network, wide area network, Metropolitan Area Network (MAN) or
At least one network equipment in multiple network equipments in the network of local area network.
Optionally, in the present embodiment, storage medium is arranged to store the program code for executing following steps:
S1 acquires media file by terminal；
S2 encodes media file using the first coding mode to obtain Backup Data, and uses the second coding mode
Media file is encoded to obtain live data, wherein the distortion rate of the first coding mode is lower than the mistake of the second coding mode
It is sincere；
Backup Data is stored in the local of terminal, and passes through network transmission live data by S3.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or
The various media that can store program code such as CD.
Optionally, the specific example in the present embodiment can be shown with reference to described in above-described embodiment 1 and embodiment 2
Example, details are not described herein for the present embodiment.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
If the integrated unit in above-described embodiment is realized in the form of SFU software functional unit and as independent product
When selling or using, it can store in above-mentioned computer-readable storage medium.Based on this understanding, skill of the invention
Substantially all or part of the part that contributes to existing technology or the technical solution can be with soft in other words for art scheme
The form of part product embodies, which is stored in a storage medium, including some instructions are used so that one
Platform or multiple stage computers equipment (can be personal computer, server or network equipment etc.) execute each embodiment institute of the present invention
State all or part of the steps of method.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed client, it can be by others side
Formula is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, and only one
Kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of processing method of media file characterized by comprising
Media file is acquired by terminal；
The media file is encoded using the first coding mode to obtain Backup Data, and using the second coding mode to institute
It states media file to be encoded to obtain live data, wherein the distortion rate of first coding mode is lower than second coding
The distortion rate of mode；
The Backup Data is stored in the local of the terminal, and passes through live data described in network transmission.
2. the method according to claim 1, wherein being carried out using the second coding mode to the media file
After coding obtains live data, the method also includes:
The live data is acquired using default code rate；
Acquisition last moment transmits the network transfer speeds when live data；
The transmission code rate of the frame to be transmitted at current time is adjusted according to the network transfer speeds of last moment, wherein described
Transmission code rate is arranged to increase, the code presupposition when adjusting the transmission code rate as the network transfer speeds are accelerated
Rate is constant.
3. the method according to claim 1, wherein the media file includes video file and audio file,
The media file is encoded to obtain Backup Data using the first coding mode include:
The video file and the audio file are encoded respectively using first coding mode, obtain the video
The video backup data of file and the audio backup data of the audio file.
4. according to the method described in claim 3, being wrapped it is characterized in that, the Backup Data is stored in the local of the terminal
It includes:
After the audio backup data of the video backup data and the audio file that obtain the video file, to the view
Frequency Backup Data and the audio backup data are packaged, the data after being encapsulated；
Data after the encapsulation are stored in the local of the terminal.
5. the method according to claim 1, wherein the media file includes video file and audio file,
The media file is encoded to obtain live data using the second coding mode include:
The video file and the audio file are encoded respectively using second coding mode, obtain the video
The net cast data of file and the live audio data of the audio file.
6. according to the method described in claim 5, it is characterized in that, including: by live data described in network transmission
After the live audio data of the net cast data and the audio file that obtain the video file, to the view
Frequency live data and the live audio data are packaged, the data after being encapsulated；
Pass through the data after encapsulating described in the network transmission.
7. a kind of processing unit of media file characterized by comprising
First acquisition unit, for acquiring media file by terminal；
Coding unit, for being encoded to obtain Backup Data to the media file using the first coding mode, and using the
Two coding modes are encoded to obtain live data to the media file, wherein the distortion rate of first coding mode is low
In the distortion rate of second coding mode；
Storage unit, for the Backup Data to be stored in the local of the terminal, and by the way that number is broadcast live described in network transmission
According to.
8. device according to claim 7, which is characterized in that described device further include:
Second acquisition unit, for using the second coding mode to the media file encoded to obtain live data it
Afterwards, the live data is acquired using default code rate；
Acquiring unit, for obtain last moment transmit the live data when network transfer speeds；
Adjustment unit, the transmission code of the frame to be transmitted for adjusting current time according to the network transfer speeds of last moment
Rate, wherein the transmission code rate is arranged to increase as the network transfer speeds are accelerated, and is adjusting the transmission code rate
It is constant that Shi Suoshu presets code rate.
9. device according to claim 7, which is characterized in that the media file includes video file and audio file,
The coding unit includes:
First coding module, for being carried out respectively to the video file and the audio file using first coding mode
Coding, obtains the video backup data of the video file and the audio backup data of the audio file.
10. device according to claim 9, which is characterized in that the storage unit includes:
First package module, for the audio backup in the video backup data and the audio file that obtain the video file
After data, the video backup data and the audio backup data are packaged, the data after being encapsulated；
First preserving module, for the data after the encapsulation to be stored in the local of the terminal.
11. device according to claim 7, which is characterized in that the media file includes video file and audio file,
The coding unit includes:
Second coding module, for being carried out respectively to the video file and the audio file using second coding mode
Coding, obtains the net cast data of the video file and the live audio data of the audio file.
12. device according to claim 11, which is characterized in that include: by live data described in network transmission
Second package module, for the live audio in the net cast data and the audio file that obtain the video file
After data, the net cast data and the live audio data are packaged, the data after being encapsulated；
Second preserving module, for passing through the data after encapsulating described in the network transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552779.7A CN106169998B (en) | 2016-07-13 | 2016-07-13 | The treating method and apparatus of media file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552779.7A CN106169998B (en) | 2016-07-13 | 2016-07-13 | The treating method and apparatus of media file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106169998A CN106169998A (en) | 2016-11-30 |
| CN106169998B true CN106169998B (en) | 2019-01-08 |
Family
ID=58066260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610552779.7A Active CN106169998B (en) | 2016-07-13 | 2016-07-13 | The treating method and apparatus of media file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106169998B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111870A (en) * | 2017-12-28 | 2018-06-01 | 苏州麦迪斯顿医疗科技股份有限公司 | A kind of method for processing video frequency and device |
| CN108462720A (en) * | 2018-03-27 | 2018-08-28 | 南京纳加软件股份有限公司 | A kind of live streaming media hot backup system |
| CN113315973B (en) * | 2019-03-06 | 2022-12-20 | 深圳市道通智能航空技术股份有限公司 | Encoding method, image encoder, and image transmission system |
| CN109961611A (en) * | 2019-03-14 | 2019-07-02 | 钧捷智能（深圳）有限公司 | Long-range command system and its application method based on driver fatigue monitor system |
| CN110708314A (en) * | 2019-10-09 | 2020-01-17 | 北京字节跳动网络技术有限公司 | Live streaming data uploading method and device, electronic equipment and storage medium |
| CN110636326A (en) * | 2019-11-14 | 2019-12-31 | 广州酷狗计算机科技有限公司 | Live video processing method and device and storage medium |
| CN111277864B (en) * | 2020-02-18 | 2021-09-10 | 北京达佳互联信息技术有限公司 | Encoding method and device of live data, streaming system and electronic equipment |
| CN113038270A (en) * | 2021-03-23 | 2021-06-25 | 深圳市方维达科技有限公司 | Video converter with protection function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065302A (en) * | 2011-02-09 | 2011-05-18 | 复旦大学 | H.264 based flexible video coding method |
| CN104219500A (en) * | 2014-08-27 | 2014-12-17 | 天津市中信互联科技有限公司 | Device and method for monitoring video live broadcast |
| CN104754366A (en) * | 2015-03-03 | 2015-07-01 | 腾讯科技（深圳）有限公司 | Audio and video file live broadcasting method, device and system |
| CN105049918A (en) * | 2015-07-08 | 2015-11-11 | 成都西可科技有限公司 | Method for separating local recorded video and network live video |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150026718A1 (en) * | 2013-07-19 | 2015-01-22 | United Video Properties, Inc. | Systems and methods for displaying a selectable advertisement when video has a background advertisement |
-
2016
- 2016-07-13 CN CN201610552779.7A patent/CN106169998B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065302A (en) * | 2011-02-09 | 2011-05-18 | 复旦大学 | H.264 based flexible video coding method |
| CN104219500A (en) * | 2014-08-27 | 2014-12-17 | 天津市中信互联科技有限公司 | Device and method for monitoring video live broadcast |
| CN104754366A (en) * | 2015-03-03 | 2015-07-01 | 腾讯科技（深圳）有限公司 | Audio and video file live broadcasting method, device and system |
| CN105049918A (en) * | 2015-07-08 | 2015-11-11 | 成都西可科技有限公司 | Method for separating local recorded video and network live video |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106169998A (en) | 2016-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106169998B (en) | The treating method and apparatus of media file | |
| US9514783B2 (en) | Video editing with connected high-resolution video camera and video cloud server | |
| CN105025327B (en) | A kind of method and system of mobile terminal live broadcast | |
| CN108377399B (en) | Live video stream code-transferring method, device and computer readable storage medium | |
| CN110139113B (en) | Transmission parameter distribution method and device for video resources | |
| CN110868600B (en) | Target tracking video plug-flow method, display method, device and storage medium | |
| US11153615B2 (en) | Method and apparatus for streaming panoramic video | |
| CN104639951B (en) | The pumping frame processing method and device of video code flow | |
| CN108924600A (en) | Sending and receiving methods, device and the electronic equipment of live data | |
| CN110636294B (en) | Video decoding method and device, and video encoding method and device | |
| WO2018046705A3 (en) | Partial video decoding method, device and system | |
| US20150156557A1 (en) | Display apparatus, method of displaying image thereof, and computer-readable recording medium | |
| DE102020108357A1 (en) | RE-ENCODING PREDICTED IMAGES IN LIVE VIDEOSTREAM APPLICATIONS | |
| CN103607578B (en) | Full multi-perspective picture based on Video coding browses system | |
| CN107113447A (en) | High frame rate low frame rate rate transmission technology | |
| EP3792731A1 (en) | Multimedia information transmission method and apparatus, and terminal | |
| CN106658113B (en) | Multimedia data processing method and device | |
| CN106993199A (en) | A kind of method and system of real-time video transcoding | |
| WO2021057477A1 (en) | Video encoding and decoding method and related device | |
| CN106792155A (en) | A kind of method and device of the net cast of multiple video strems | |
| CN105391699A (en) | Transmission method, device and system of video data | |
| CN106604047A (en) | Multi-video-stream video direct broadcasting method and device | |
| CN107613365A (en) | A kind of video broadcasting method and device | |
| DE60126944T2 (en) | Apparatus and method for displaying information | |
| CN111193928B (en) | Method and apparatus for delivering region of interest information in video |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |