CN104602138B - A kind of method and device for making streaming media server support HLS protocol - Google Patents
A kind of method and device for making streaming media server support HLS protocol Download PDFInfo
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- CN104602138B CN104602138B CN201510051752.5A CN201510051752A CN104602138B CN 104602138 B CN104602138 B CN 104602138B CN 201510051752 A CN201510051752 A CN 201510051752A CN 104602138 B CN104602138 B CN 104602138B
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
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- 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
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The present invention proposes a kind of method and device for making streaming media server support HLS protocol, it is related to stream media technology field, to in the case where reducing occupancy server storage so that existing streaming media server supports the real time streaming based on HLS protocol.This method includes：Obtain the file identification and characteristic parameter of the media file stored in the server identification and streaming media server of streaming media server；The characteristic parameter of media file includes at least：The file size and file duration of media file；Obtain fragment segmentation duration and fragment segmentation size；The characteristic parameter of each virtual clip in media file is determined according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size, and the index entry in index file is constructed according to the characteristic parameter of the server identification of streaming media server, the file identification of media file and each virtual clip.
Description
Technical field
The present invention relates to stream media technology field, more particularly to one kind to make streaming media server support HLS (HTTP Live
Streaming, hypertext live TV stream；The agreement that real time streaming is realized based on HTTP proposed by Apple Inc.) agreement
Method and device.
Background technology
With the development of network, the relation of daily life and internet is more and more closer.Since internet provides
Video resource it is rich, more and more users by internet program request TV play, film, variety show or other sounds/
Video information.
General playback method is that user is selected after needing the audio/video file that obtains, downloaded from server the sound/
Video file (after this document is all downloaded, then on a user device plays out the audio/video file.In order to
The limitation that general playback method needs to play after first file is all downloaded is broken through, developer proposes the general of Streaming Media
Read, i.e., will be stored after audio/video compressing file on the server, played for user when downloading.
Realizing the agreement of streaming media in the prior art mainly has two kinds, and a kind of is conventional live streaming media agreement
(such as RTMP (Real Time Messaging Protocol, real-time messages transport protocol), RTSP (Real Time
Streaming Protocol, real time streaming transport protocol), (Microsoft Media Server Protocol are (micro- for mobile agent server protocol
Soft media server agreement) etc.), another kind is HLS protocol.In method using conventional live streaming media agreement, Streaming Media
Server is stored audio/video file as an entirety.Relative to conventional live streaming media agreement, HLS associations are supported
Whole audio/video file is divided into segmental file small one by one and is stored by the streaming media server of view, due to segmental file
Duration it is very short, therefore, in the playing process of audio/video file, client can select from different audio/video sources with
Different speed downloads same audio/video resource, the switching of code check is carried out, to adapt to the broadcasting under the conditions of different bandwidth.Mirror
In above-mentioned advantage, HLS protocol is more and more widely used in the broadcasting of various audio/video files.
In order to make the streaming media server of support routine live streaming media agreement also to support HLS protocol, the prior art
Implementation method can be：First the media file stored in conventional streaming media server will be supported to download, and by download
Media file cuts into small segmental file one by one, and segmental file then is uploaded to streaming media server, will then divide
The fileinfo of segment file writes a m3u8 and (media file after segmentation is described with text mode) in file, finally
The m3u8 files of generation are uploaded into the streaming media server.
State in realization during making streaming media server support HLS protocol, inventor has found in the prior art at least
There are the following problems：With the above-mentioned prior art, although streaming media server can support conventional live streaming media to assist at the same time
Negotiation HLS protocol, but need to store two kinds of files for representing same information of segmental file after original big file and cutting,
Add the disk load of server storage.
The content of the invention
The embodiment of the present invention provides a kind of method and device for making streaming media server support HLS protocol, to subtract
In the case of taking server storage less so that existing streaming media server supports the real time flow medium based on HLS protocol
Transmission.
To reach above-mentioned purpose, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, an embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, including：
Obtain the file identification and feature ginseng of the media file stored in the server identification and streaming media server of streaming media server
Number；The characteristic parameter of media file includes at least：The file size of media file, the file duration of media file；Obtain fragment
Split duration and fragment segmentation size；Matchmaker is determined according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size
The characteristic parameter of each virtual clip in body file, and according to the server identification of streaming media server, the file of media file
Index entry in the characteristic parameter of mark and each virtual clip construction index file；The characteristic parameter of virtual clip is used in matchmaker
Virtual clip is uniquely determined out in body file.
Second aspect, an embodiment of the present invention provides a kind of streaming media server, including：Acquiring unit, flows for obtaining
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of media server；Media
The characteristic parameter of file includes at least：The file size of media file, the file duration of media file；Acquiring unit, is additionally operable to
Obtain fragment segmentation duration and fragment segmentation size；Processing unit, when splitting for the characteristic parameter according to media file, fragment
Long, fragment segmentation size determines the characteristic parameter of each virtual clip in media file, and according to the service of streaming media server
Index entry in the characteristic parameter construction index file of device mark, the file identification of media file and each virtual clip；Virtually
The characteristic parameter of fragment is used to uniquely determine out virtual clip in media file.
A kind of method and device for making streaming media server support HLS protocol provided in an embodiment of the present invention, obtains stream matchmaker
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of body server, and obtain
Fragment splits duration and fragment segmentation size；It is true according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size
Determine the characteristic parameter of each virtual clip in media file, and according to the server identification of streaming media server, media file
Index entry in file identification and the characteristic parameter of each virtual clip construction index file.Pass through stroke by media file virtually
It is divided into virtual clip, the index entry of each virtual clip is then constructed in indexed file, so that in streaming media server
The whole media file of storage has corresponding index file, only needs just to be obtained respectively according to index file in program request
To the content of each virtual clip so that streaming media server can support HLS protocol, simultaneously because index file is relative to existing
There is the segmental file after media file is split in technology to greatly reduce compared to the memory spaces of needs, accounted for so less
The memory space of server.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow signal of method for making streaming media server support HLS protocol provided in an embodiment of the present invention
Figure；
Fig. 2 is that the flow that another kind provided in an embodiment of the present invention makes streaming media server support the method for HLS protocol is shown
It is intended to；
Fig. 3 is that the flow that another kind provided in an embodiment of the present invention makes streaming media server support the method for HLS protocol is shown
It is intended to；
Fig. 4 is that the flow that another kind provided in an embodiment of the present invention makes streaming media server support the method for HLS protocol is shown
It is intended to；
Fig. 5 is a kind of functional schematic of streaming media server provided in an embodiment of the present invention；
Fig. 6 is the functional schematic of another streaming media server provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
It should be noted that HLS protocol is the agreement for real time streaming, its main feature is that media file is carried out
Segment transmissions, the content of transmission include two parts, and a part is TS (the Transport Stream for storage media data
(transport stream；Full name MPEG2-TS) media file, another part is the M3U8 index files for indexing TS media files.Terminal
M3U8 file acquisitions to TS media files can be passed through.
It should be noted that the streaming media server in all embodiments of the invention refers to support the live agreement of Conventional media
(such as RTMP, RTSP, mobile agent server protocol), while the streaming media server of HLS protocol is not supported.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, as shown in Figure 1, including：
101st, the file of the media file stored in the server identification and streaming media server of streaming media server is obtained
Mark and characteristic parameter.
Wherein, the characteristic parameter of media file includes at least：The file size of media file, media file file when
It is long.
It should be noted that the identification information of streaming media server can be host number and the port of streaming media server
Number, the other identifier that can uniquely determine out streaming media server is can also be, for example, domain name, IP address (Internet
Protocol Address, internet protocol address) or node identification etc..The present invention is without limitation.
It should be noted that one or more media files can be stored with streaming media server, and the media stored
File is whole file.All embodiments of the present invention are illustrated from the angle of any one media file.
It should also be noted that, the server identification of streaming media server is used for one service of unique mark in internet
Device.The file identification of media file is used for one media file of unique mark in streaming media server.The file of media file
Size refers to the size of the memory space shared by the media file.The file duration of media file refers to play a media text
Time needed for part.
Specifically, can be from the server identification and streaming media server that streaming media server obtains streaming media server
The file identification and characteristic parameter of the media file of storage or by the server identification of streaming media server, Streaming Media
The file identification and characteristic parameter of the media file stored in server are stored into storage device, are obtained and are flowed from the storage device
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of media server.
102nd, fragment segmentation duration and fragment segmentation size are obtained.
It should be noted that media file to be virtually divided into multiple virtual clips, wherein virtual clip is to media
Division on Documents Logical, media file of the actual storage in streaming media server are still the audio/video text of an entirety
Part.When fragment segmentation duration refers to be divided media file, in addition to last virtual clip, other all virtual pieces
Duration corresponding to section, that is to say, that fragment segmentation duration is other all virtual clips in addition to last virtual clip
Average duration.Exemplary, if the file duration of a media file is 130 seconds, if a length of 3 seconds when fragment is split.So root
The media file can be divided into 44 virtual clips according to fragment segmentation duration, wherein, the duration of preceding 43 virtual clips is all
Equal to fragment segmentation duration 3 seconds, the 44th virtual clip when a length of 1 second.
Specifically, obtaining fragment segmentation duration set in advance, or obtain the fragment segmentation duration of user configuration.
It should be noted that fragment segmentation size refers to the size of the corresponding file of fragment segmentation duration.Fragment segmentation is big
It is small when referring to be divided media file, in addition to last virtual clip, the text corresponding to other all virtual clips
The size of part.
Specifically, it can obtain fragment segmentation size set in advance or acquisition to obtain fragment segmentation size
The fragment segmentation size of user configuration, can also be that splitting duration according to the characteristic parameter and fragment of media file determines fragment point
Cut size.
Under normal circumstances, default fragment segmentation size is the integral multiple of 188 bytes.
Wherein, determine that fragment segmentation size specifically includes according to the characteristic parameter of media file and fragment segmentation duration：It is first
Unit interval corresponding file size is first determined according to the file size and file duration of media file, then according to the unit interval
Corresponding file size and fragment segmentation duration determines that fragment splits size.
It should be noted that minimum dividing unit during due to division media file is byte (Byte), and according to above-mentioned
The fragment segmentation that method calculates not of uniform size is integral words section surely, then when dividing virtual clip, the first of virtual clip
A byte and last byte may not be a complete byte, the two bytes are imperfect when playing virtual clip pair
User's viewing sense is affected to be can be ignored.
In order to eliminate the shadow that each virtual clip first character section and last byte are not a complete bytes
Ring, the fragment calculated can be split to size according to the downward rounding of byte, if for example, the fragment segmentation size calculated is
384.125 bytes, then according to obtaining 384 bytes after the downward rounding of byte, then can determine that it is 384 words to separate clip size
Section, then the size of all virtual clips in addition to last virtual clip is equal to 384 bytes, except last is empty
Intend the error that all virtual clips outside fragment add up, can be all modified in last byte.In order to eliminate each void
Intend the influence that fragment first character section and last byte are not a complete bytes, each byte can also calculated
End position when, byte number is added one according to the integer part of end position or subtracts one, with to each virtual clip
The error of one byte or last byte is modified, if for example, calculating a certain void according to the clip size of calculating
The end position for intending fragment is the 122.875th byte, then according to rounding up, the end position of the virtual clip is arranged to
123rd byte.
It should be noted that obtained in the fragment segmentation size for obtaining fragment segmentation size or user configuration set in advance
In the case of fragment segmentation size, step 101 does not have sequencing with step 102, can first carry out step 101, then perform step
Rapid 102；Step 102 can also be first carried out, then performs step 101；Step 101 and step 102 can also be performed at the same time, the present invention
This is not restricted.In the case where the characteristic parameter according to media file and fragment segmentation duration determine fragment segmentation size,
" obtaining fragment segmentation duration " in step 101 and step 102 must be first carried out, then could obtain fragment segmentation size, but
It is not have sequencing between " obtaining fragment segmentation duration " in step 101 and step 102.
103rd, determined according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size every in media file
The characteristic parameter of one virtual clip, and according to the server identification of streaming media server, the file identification of media file and each
Index entry in the characteristic parameter construction index file of virtual clip.
Wherein, the characteristic parameter of virtual clip is used to uniquely determine out virtual clip in media file.
It should be noted that before the index entry in constructing index file, it is also necessary to create index file and write basis
Character string.It is the character string required by the form of index file that index file, which is divided into basic character string,.
It should be noted that the characteristic parameter of all virtual clips in media file can be first calculated, and will be each virtual
The characteristic parameter of fragment is stored, then according to the server identification of streaming media server, media file file identification and
The construction index file of the characteristic parameter of each virtual clip of storage；The feature of a virtual clip can also often calculated
During parameter, with regard to adding the corresponding index entry of the virtual clip in indexed file.
It should be noted that in order to uniquely determine out a virtual clip, so the parameter needed has virtual clip in matchmaker
Specific location in body file, media file mark in the server and stores the server of the media file in a network
Mark.URL (Uniform Resource Locator (universal resource locator) sentence construction indexes are used in M3U8 files
, the wherein general type of URL is：<The access mode of URL：://<Host：:<Port：/<Path：.
It should be noted that the characteristic parameter of each virtual clip includes：The clip durations of each virtual clip, start bit
Put and end position.Correspondingly, step 103 can be achieved by the steps of：
The initial position of S1, initialization of virtual fragment.
It should be noted that the initial position of virtual clip is exactly the phase for needing to configure respective index item respective file fragment
For the position of whole file.Generally using the first address of whole file as 0 into line displacement.
Specifically, in the case where needing to make the corresponding index file of entirety of media file, initialization of virtual fragment
Initial position relative to whole media file offset be 0.So under normal circumstances, at this time can rising the virtual clip
Beginning, position was arranged to 0.
S2, judge whether virtual clip is last virtual clip in media file.
It should be noted that due to needing to divide file according to fixed fragment segmentation size, it is possible that most
Differing in size for the virtual clip divided afterwards splits size in fragment, correspondingly, the time of the virtual clip may not also
Split duration equal to fragment, then the definite method of the relevant parameter of last virtual clip and the parameter of other virtual clips
Definite method it is different, so needing to judge whether the pending virtual clip such as current is last virtual clip.
It should be noted that it is different according to the result of judgement, perform different steps.If virtual clip is not media file
In last virtual clip, then perform step S3；If virtual clip is last virtual clip in media file,
Perform step S4.
If S3, virtual clip are not last virtual clips in media file, according to the start bit of virtual clip
Put and fragment splits the end position that size determines virtual clip, when fragment segmentation duration is determined as the fragment of virtual clip
It is long, rope is constructed according to the characteristic parameter of the server identification of streaming media server, the file identification of media file and virtual clip
The corresponding index entry of virtual clip in quotation part, and the initial position of virtual clip is updated, jump to and whether judge virtual clip
For last virtual clip in media file.
It should be noted that prepare calculate characteristic parameter virtual clip be not last virtual clip situation
Under, then the clip durations of this virtual clip are equal to fragment segmentation duration, and the size of this virtual clip is equal to fragment
Split size.
It should be noted that if the virtual clip is the virtual clip of first division, then the starting of the virtual clip
Address is exactly the initial position of virtual clip when initializing；If the virtual clip is not the virtual clip of first division, then
The initial position of the virtual clip is determined when its previous virtual clip divides.
Specifically, by the initial position of virtual clip plus the end for subtracting one and being determined as virtual clip after fragment segmentation size
The initial position of end position=virtual clip of position, i.e. virtual clip+fragment segmentation size -1 (byte), and virtual piece
The clip durations of section=fragment segmentation duration, then according to the construction rule of index entry, according to the server mark of media server
The corresponding index of the virtual clip is added in the characteristic parameter indexed file of knowledge, the file identification of media file and virtual clip
, the index entry construction of current virtual fragment finishes at this time, then just jumps to next virtual clip, specially updates virtual clip
Initial address for virtual clip end address plus fragment split size, then jump device step S2, continue to judge next
Whether virtual clip is last virtual clip.
If S4, virtual clip are last virtual clips in media file, according to the file size of media file
Determine the end position of virtual clip, virtual clip is determined according to the initial position of the characteristic parameter of media file and virtual clip
Clip durations, according to the feature of the server identification of streaming media server, the file identification of media file and virtual clip join
The corresponding index entry of virtual clip in number construction index file.
It should be noted that in the case where the virtual clip for preparing calculating characteristic parameter is last virtual clip,
So the clip durations of this virtual clip and clip size need specifically to be determined according to relevant parameter.
Specifically, the corresponding value of the file size of media file to be determined as to the end position of virtual clip, then basis
The size of media file and the initial position of virtual clip determine last virtual clip includes how many byte, then according to matchmaker
The file size and file duration of body file determine duration needed for each byte, are finally included according to last virtual clip
Duration needed for byte number and each byte determines the clip durations of last virtual clip.Then according to the construction of index entry
Rule, is indexing according to the characteristic parameter of the server identification of media server, the file identification of media file and virtual clip
The corresponding index entry of the virtual clip is added in file, the index entry construction of all virtual clips finishes at this time.
It should be noted that judge that the method for the clip durations of last virtual clip can also be media file
It is that the clip durations that file duration subtracts all virtual clips in addition to last virtual clip obtain as a result, being determined as last
The clip durations of a virtual clip.
It should be noted that due to initialization of virtual fragment initial position when by the initial position of first virtual clip
0 is arranged to relative to the offset of whole media file, so at this time the stop bits of last virtual clip can be installed
It is set to the value corresponding to media file size.If the initial position of first virtual clip sets N, then last virtual piece
The end position of section is equal to the value corresponding to N+ media file sizes.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, obtains streaming media service
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of device, and obtain fragment point
Cut duration and fragment segmentation size；Media are determined according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size
The characteristic parameter of each virtual clip in file, and according to the files-designated of the server identification of streaming media server, media file
Know and the index entry in the characteristic parameter of each virtual clip construction index file.By by media file it is virtual be divided into void
Intend fragment, the index entry of each virtual clip is then constructed in indexed file, so that stored in streaming media server
Whole media file has corresponding index file, only needs just be got respectively according to index file in program request each
The content of virtual clip so that streaming media server can support HLS protocol, simultaneously because index file is relative to the prior art
It is middle media file is split after segmental file greatly reduce compared to the memory spaces of needs, so the less clothes of occupancy
The memory space of business device.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, as shown in Fig. 2, including：
201st, the file of the media file stored in the server identification and streaming media server of streaming media server is obtained
Mark and characteristic parameter.
Wherein, the characteristic parameter of media file includes at least：The file size of media file, media file file when
It is long.
Specifically, referring to step 101, details are not described herein.
202nd, fragment segmentation duration and fragment segmentation size are obtained.
Specifically, referring to step 102, details are not described herein.
203rd, the initial position of initialization of virtual fragment, and during broadcasting remaining according to the initialization of the file duration of media file
It is long.
It should be noted that when remaining playing duration is exactly the playback of media files a to virtual clip, the matchmaker is played
Body file is left the duration needed for content.
Specifically, the method for the initial position of initialization of virtual fragment refers to the S1 of step 103, details are not described herein.
Specifically, when constructing the index file of full content of media file, the corresponding residue of first virtual clip
Playing duration is determined as the file duration of media file.
204th, judge whether remaining playing duration is less than or equal to fragment segmentation duration.
It should be noted that step 204 be judge current virtual fragment whether be last virtual clip one kind side
Method, can also use other methods, such as be judged according to the size of remaining unallocated media file size and segmentation.This hair
It is bright without limitation.
It should be noted that when obtaining fragment segmentation size, if employ according to the characteristic parameter of media file and
The method that fragment segmentation duration determines fragment segmentation size, and in order to eliminate each virtual clip first character section and last
A byte is not the influence of a complete byte, and the fragment calculated is split size according to the downward rounding of byte, then by
Being less than segmentation duration in the clip size of other virtual clips in addition to last virtual clip actually should corresponding fragment
Size, is less than fragment segmentation duration it is possible that occurring when remaining time, but also unallocated file size is more than fragment
Split the situation of size, need to determine whether last virtual piece according to remaining playing duration and fragment segmentation duration at this time
Section.
If the 205, remaining playing duration is more than fragment segmentation duration, split according to the initial position of virtual clip and fragment
Size determines the end position of virtual clip, fragment segmentation duration is determined as to the clip durations of virtual clip, according to Streaming Media
Virtual piece in the characteristic parameter construction index file of the server identification of server, the file identification of media file and virtual clip
The corresponding index entry of section, and initial position and the played file residual time length of virtual clip are updated, jump to judgement virtual clip
Whether it is last virtual clip in media file.
Specifically, the end position of virtual clip is determined according to the initial position of virtual clip and fragment segmentation size, will
Fragment segmentation duration is determined as the clip durations of virtual clip, according to the server identification of streaming media server, media file
The corresponding index entry of virtual clip in file identification and the characteristic parameter of virtual clip construction index file, and update virtual clip
Initial position, jump to judge virtual clip whether be last virtual clip in media file method, refer to
S3 in step 103, is not repeating herein.
It should be noted that since in addition to last virtual clip, the duration of other virtual clips is equal to fragment point
Duration is cut, so specifically renewal played file residual time length subtracts fragment segmentation duration for current residual time length.
In the case that the 206th, if remaining playing duration is less than or equal to fragment segmentation duration, according to the file of media file
Size determines the end position of virtual clip, is determined virtually according to the initial position of the characteristic parameter of media file and virtual clip
The clip durations of fragment, according to the spy of the server identification of streaming media server, the file identification of media file and virtual clip
Levy the corresponding index entry of virtual clip in parametric configuration index file.
Specifically, referring to the S4 in step 103, do not repeating herein.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, obtains streaming media service
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of device, and obtain fragment point
Cut duration and fragment segmentation size；Media are determined according to the characteristic parameter of media file, fragment segmentation duration, fragment segmentation size
The characteristic parameter of each virtual clip in file, and according to the files-designated of the server identification of streaming media server, media file
Know and the index entry in the characteristic parameter of each virtual clip construction index file.By by media file it is virtual be divided into void
Intend fragment, the index entry of each virtual clip is then constructed in indexed file, so that stored in streaming media server
Whole media file has corresponding index file, only needs just be got respectively according to index file in program request each
The content of virtual clip so that streaming media server can support HLS protocol, simultaneously because index file is relative to the prior art
It is middle media file is split after segmental file greatly reduce compared to the memory spaces of needs, so the less clothes of occupancy
The memory space of business device.
A kind of method for making streaming media server support HLS protocol of the embodiment of the present invention, at this time, user's program request is matchmaker
Part in body file, can not have to the corresponding index file of all the elements of construction media file, only construct program request part pair
The index file answered.It is corresponding as shown in figure 3, including：
301st, the file of the media file stored in the server identification and streaming media server of streaming media server is obtained
Mark and characteristic parameter.
Wherein, the characteristic parameter of media file includes at least：The file size of media file, media file file when
It is long.
Specifically, referring to step 101, details are not described herein.
302nd, initial time and the end time of played file are obtained.
Wherein, played file is part or all of in media file.
It should be noted that when user only carries out program request to the partial document in media file, user in media file
The part of program request is called played file, only can make index file to the partial document.Carried out in user using HLS protocol
During program request, it is merely able to there is the partial document in the media file of index file to carry out program request.
It should be noted that the initial time of played file and the value of end time are in 0 and the file duration of media file
Between.
Specifically, media file can be divided into several parts, each section can serve as a played file, at this time may be used
To obtain initial time and the end time of played file from streaming media server.It can also be the user program request media file
A part, at this time from terminal obtain played file initial time end time.
It should be noted that user only sets the initial time of program request under normal circumstances, so terminating at this point it is possible to give tacit consent to
Time is the file duration of media file.
It should be noted that in the case where played file is the whole of media file, when giving tacit consent to the starting of played file
Between be 0, end time of played file is the file duration of media file.
303rd, played file is determined according to the initial time and end time of the characteristic parameter of media file and played file
Initial position and end position.
Specifically, determine that unit interval corresponding file is big according to the file size of media file and file duration first
It is small, the initial position of played file is then determined according to the initial time of unit interval corresponding file size and played file,
And the end position of played file is determined according to the end time of unit interval corresponding file size and played file.
It should be noted that the mode of above-mentioned specific implementation be by the offset of the first address of media file be arranged to 0 into
Row calculates.If the offset for setting the first address of media file is M, correspondingly, the initial position of played file and end position
Add M on the basis of above-mentioned calculating respectively.
304th, fragment segmentation duration and fragment segmentation size are obtained.
Specifically, referring to step 102, details are not described herein.
305th, according to the characteristic parameter of media file, the initial time of played file and end time, fragment segmentation duration,
Fragment segmentation size, initial position and the end position of played file determine that the feature of each virtual clip in media file is joined
Number, and according to the characteristic parameter of the server identification of streaming media server, the file identification of media file and each virtual clip
Construct the index entry of the index file of played file in media file.
It should be noted that at this time except initialization of virtual fragment initial position for played file initial position, with
And judging whether virtual clip is last virtual clip in played file, other all refer to step 103, herein no longer
Repeat.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, obtains streaming media service
The file identification and characteristic parameter of the media file stored in the server identification and streaming media server of device, obtain played file
Initial time and end time and the enlightenment initial position and the end position that calculate played file, then obtain fragment segmentation
Duration and fragment segmentation size；According to the characteristic parameter of media file, the initial time of played file and end time, fragment point
Cut duration, fragment segmentation size, the initial position of played file and end position and determine each virtual clip in media file
Characteristic parameter, and according to the spy of the server identification of streaming media server, the file identification of media file and each virtual clip
Levy the index entry of the index file of played file in parametric configuration media file.By the way that the played file in media file is virtual
The index entry for being divided into virtual clip, each virtual clip then being constructed in indexed file, so that streaming media service
Played file in device in media file has corresponding index file, only needs just be divided according to index file in program request
The content of each virtual clip is not got so that streaming media server can support HLS protocol simultaneously because index file phase
Greatly reduce for memory space of the segmental file after media file is split in the prior art compared to needs, so compared with
The memory space of the server taken is lacked.
Further, as shown in figure 4, on the basis of the index file method of construction media file, further include such as Fig. 4 institutes
The lookup flow shown.Including；
401st, the program request instruction of terminal is obtained.
Wherein, program request instruction is used in program request streaming media server the media file stored.
It should be noted that can first carry out step 401 obtains program request instruction, it is then interim dynamically to construct index text
Part；Can also be just that the media file in streaming media server constructs before performing step 401 and obtaining program request instruction
Index file.The present invention is without limitation.But the execution of step 402 must construct the media file that needs program request
Index file after perform.
402nd, instructed according to program request, virtual clip is searched from media file using index file, and successively by virtual piece
Section is sent to terminal.
Specifically, terminal first accesses the corresponding index file of media file for needing program request of program request instruction instruction, successively
Obtain index entry and parse index entry, then the server identification in index entry finds corresponding streaming media server,
Corresponding media file is found in streaming media server according to the file identification of media file, according to the feature of virtual clip
Parameter determines the virtual clip in media file, finally by the data sending in the virtual clip to terminal.
An embodiment of the present invention provides a kind of method for making streaming media server support HLS protocol, is making media file
Index file outside, the virtual clip searched according to index file in media file is additionally provided, and successively by virtual clip
Send to terminal, index file so can be used by program request instruction, streaming media server is supported HLS protocol.Together
When due to the storage of index file needs compared with the segmental file after media file is split in the prior art it is empty
Between greatly reduce, so the memory space of the less server taken.
As shown in figure 5, it is a kind of functional schematic of streaming media server provided in an embodiment of the present invention.With reference to figure 5
Shown, which includes：Acquiring unit 501 and processing unit 502.
Acquiring unit 501, the matchmaker stored in the server identification and streaming media server for obtaining streaming media server
The file identification and characteristic parameter of body file.
Wherein, the characteristic parameter of media file includes at least：The file size of media file, media file file when
It is long.
The identification information of streaming media server includes：The host number and port numbers of streaming media server.
Acquiring unit 501, is additionally operable to obtain fragment segmentation duration and fragment segmentation size.
Further, acquiring unit 501, determine specifically for the characteristic parameter according to media file and fragment segmentation duration
Fragment splits size.
Processing unit 502, determines for the characteristic parameter according to media file, fragment segmentation duration, fragment segmentation size
The characteristic parameter of each virtual clip in media file, and according to the server identification of streaming media server, the text of media file
Part identifies and the index entry in the characteristic parameter of each virtual clip construction index file.
Wherein, the characteristic parameter of virtual clip is used to uniquely determine out virtual clip in media file.
Specifically, the characteristic parameter of each virtual clip includes：Clip durations, initial position and the knot of each virtual clip
Beam position.
Processing unit 502, specifically for the initial position of initialization of virtual fragment, and judges whether virtual clip is matchmaker
Last virtual clip in body file；
In the case of last virtual clip during virtual clip is not media file, processing unit 502 is specifically used
The end position of virtual clip is determined in the initial position according to virtual clip and fragment segmentation size, fragment segmentation duration is true
It is set to the clip durations of virtual clip, according to the server identification of streaming media server, the file identification of media file and virtual
The corresponding index entry of virtual clip in the characteristic parameter construction index file of fragment, and the initial position of virtual clip is updated, jump
Go to and judge whether virtual clip is last virtual clip in media file；
In the case of last virtual clip during virtual clip is media file, processing unit 502 is specifically used for
The end position of virtual clip is determined according to the file size of media file, according to the characteristic parameter and virtual clip of media file
Initial position determine the clip durations of virtual clip, according to the server identification of streaming media server, the file of media file
Identify index entry corresponding with virtual clip in the characteristic parameter of virtual clip construction index file.
Further, processing unit 502, are additionally operable to initialize remaining playing duration according to the file duration of media file.
Correspondingly, processing unit 502, during specifically for judging whether remaining playing duration is less than or equal to fragment segmentation
It is long；
Virtual clip is not that last virtual clip in media file includes：If remaining playing duration is more than fragment point
Duration is cut, then it is not last virtual clip in media file to judge virtual clip；
Virtual clip is that last virtual clip in media file includes：If remaining playing duration is less than or equal to piece
Section segmentation duration, then it is last virtual clip in media file to judge virtual clip；
Processing unit 502, is additionally operable to renewal played file residual time length.
Further, acquiring unit 501, are additionally operable to obtain initial time and the end time of played file；
Wherein, played file is part or all of in media file.
Correspondingly, processing unit 502, be additionally operable to according to the characteristic parameter of media file and the initial time of played file and
End time determines initial position and the end position of played file.
Processing unit 502, specifically for the characteristic parameter according to media file, the initial time of played file and at the end of
Between, fragment segmentation duration, fragment segmentation size, played file initial position and end position determine each void in media file
Intend the characteristic parameter of fragment, and according to the server identification of streaming media server, the file identification of media file and each virtual
The index entry of the index file of played file in the characteristic parameter construction media file of fragment.
On the basis of Fig. 5, further, as shown in fig. 6, the streaming media server further includes：Transmitting element 503.
Correspondingly, acquiring unit 501, is additionally operable to obtain the program request instruction of terminal.
Wherein, program request instruction is used in program request streaming media server the media file stored.
Processing unit 502, is additionally operable to be instructed according to program request, and virtual clip is searched from media file using index file.
Transmitting element 503, for successively sending virtual clip to terminal.
An embodiment of the present invention provides a kind of streaming media server, obtains the server identification of streaming media server and flows matchmaker
The file identification and characteristic parameter of the media file stored in body server, obtain initial time and the end time of played file
And initial position and the end position of played file are calculated, then obtain fragment segmentation duration and fragment segmentation size；According to
The characteristic parameter of media file, the initial time of played file and end time, fragment segmentation duration, fragment are split size, are broadcast
Put the initial position of file and end position determines the characteristic parameter of each virtual clip in media file, and taken according to Streaming Media
It is engaged in playing in the characteristic parameter construction media file of the server identification of device, the file identification of media file and each virtual clip
The index entry of the index file of file.By by the played file in media file it is virtual be divided into virtual clip, Ran Hou
The index entry of each virtual clip is constructed in index file, so that the played file in streaming media server in media file
There is corresponding index file, only need just be got respectively in each virtual clip according to index file in program request
Hold so that streaming media server can support HLS protocol, simultaneously because index file is relative in the prior art by media file
Segmental file after being split greatly reduces compared to the memory space for needs, so the storage sky of the less server taken
Between.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
In network unit.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That the independent physics of unit includes, can also two or more units integrate in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the portion of each embodiment the method for the present invention
Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (8)
- A kind of 1. method for making streaming media server support hypertext live TV stream HLS protocol, it is characterised in that including：The file identification of the media file stored in the server identification and the streaming media server of acquisition streaming media server And characteristic parameter；The characteristic parameter of the media file includes at least：The file size of the media file, the media file File duration；Obtain fragment segmentation duration and fragment segmentation size；The media are determined according to the characteristic parameter of the media file, fragment segmentation duration, fragment segmentation size The characteristic parameter of each virtual clip in file, and according to the server identification of the streaming media server, the media file File identification and each virtual clip characteristic parameter construction index file in index entry；The spy of the virtual clip Sign parameter is used to uniquely determine out the virtual clip in the media file；Wherein, the characteristic parameter of the virtual clip includes：Clip durations, initial position and the stop bits of the virtual clip Put；Described in the characteristic parameter, fragment segmentation duration, fragment segmentation size according to the media file determines The characteristic parameter of each virtual clip in media file, and according to the server identification of the streaming media server, the media The file identification of file and the characteristic parameter of each virtual clip construct the index entry in the index file, specific bag Include：The initial position of initialization of virtual fragment；Judge whether the virtual clip is last virtual clip in the media file；If the virtual clip is not last virtual clip in the media file, according to rising for the virtual clip Beginning position and fragment segmentation size determine the end position of the virtual clip, fragment segmentation duration is determined as institute The clip durations of virtual clip are stated, according to the server identification of the streaming media server, the file identification of the media file The corresponding index entry of virtual clip described in the index file is constructed with the characteristic parameter of the virtual clip, and described in updating The initial position of virtual clip, jump to it is described judge the virtual clip whether be in the media file last is empty Intend fragment；If the virtual clip is last virtual clip in the media file, according to the file of the media file Size determines the end position of the virtual clip, according to the starting of the characteristic parameter of the media file and the virtual clip The clip durations of virtual clip described in location determination, according to the server identification of the streaming media server, the media file File identification and the characteristic parameter of the virtual clip construct the corresponding index entry of virtual clip described in the index file.
- 2. according to the method described in claim 1, it is characterized in that, judge whether the virtual clip is the media described Before last virtual clip in file, further include：Remaining playing duration is initialized according to the file duration of the media file；It is described to judge whether the virtual clip is that last virtual clip in the media file includes：Judge described surplus Whether remaining playing duration is less than or equal to fragment segmentation duration；The virtual clip is not that last virtual clip in the media file includes：If the residue playing duration is big Split duration in the fragment, then it is not last virtual clip in the media file to judge the virtual clip；The virtual clip is that last virtual clip in the media file includes：If the residue playing duration is less than Or split duration equal to the fragment, then it is last virtual clip in the media file to judge the virtual clip；At the initial position of the renewal virtual clip, further include：Update the remaining playing duration.
- 3. according to the method described in claim 1, it is characterized in that, in the characteristic parameter according to the media file, institute State fragment segmentation duration, the fragment splits the characteristic parameter that size determines each virtual clip in the media file, and root According to the feature of the server identification of the streaming media server, the file identification of the media file and each virtual clip After index entry in parametric configuration index file, further include：Obtain the program request instruction of terminal；The program request instruction is used in streaming media server described in program request the media text stored Part；Instructed according to the program request, virtual clip is searched from the media file using the index file, and successively by institute Virtual clip is stated to send to the terminal.
- 4. according to the method described in claim 1, it is characterized in that, in the characteristic parameter according to the media file, institute State fragment segmentation duration, the fragment splits the characteristic parameter that size determines each virtual clip in the media file, and root According to the feature of the server identification of the streaming media server, the file identification of the media file and each virtual clip Before index entry in parametric configuration index file, further include：Obtain initial time and the end time of played file；The played file is the part or complete in the media file Portion；The played file is determined according to the initial time and end time of the characteristic parameter of the media file and played file Initial position and end position；Described in the characteristic parameter, fragment segmentation duration, fragment segmentation size according to the media file determines The characteristic parameter of each virtual clip in media file, and according to the server identification of the streaming media server, the media The index entry of the file identification of file and the characteristic parameter of each virtual clip construction index file includes：Split according to the characteristic parameter of the media file, the initial time of the played file and end time, the fragment Duration, fragment segmentation size, the initial position of the played file and end position determine each in the media file The characteristic parameter of virtual clip, and according to the server identification of the streaming media server, the file identification of the media file The index entry of the index file of played file described in the media file is constructed with the characteristic parameter of each virtual clip.
- 5. according to the method described in claim 1, it is characterized in that, the acquisition fragment segmentation size includes：The fragment segmentation size is determined according to the characteristic parameter of the media file and fragment segmentation duration.
- 6. according to the method described in claim 1, it is characterized in that,The identification information of the streaming media server includes：The host number and port numbers of the streaming media server.
- A kind of 7. streaming media server, it is characterised in that including：Acquiring unit, for obtain streaming media server server identification and the streaming media server in store media text The file identification and characteristic parameter of part；The characteristic parameter of the media file includes at least：The file size of the media file, The file duration of the media file；The acquiring unit, is additionally operable to obtain fragment segmentation duration and fragment segmentation size；Processing unit, for the characteristic parameter according to the media file, fragment segmentation duration, fragment segmentation size Determine the characteristic parameter of each virtual clip in the media file, and according to the server identification of the streaming media server, Index entry in the file identification of the media file and the characteristic parameter of each virtual clip construction index file；It is described The characteristic parameter of virtual clip is used to uniquely determine out the virtual clip in the media file；Wherein, the characteristic parameter of the virtual clip includes：Clip durations, initial position and the stop bits of the virtual clip Put；The processing unit, specifically for the initial position of initialization of virtual fragment, and judge the virtual clip whether be Last virtual clip in the media file；In the case of last virtual clip during the virtual clip is not the media file, the processing unit tool Body is used for the end position that the virtual clip is determined according to the initial position of the virtual clip and fragment segmentation size, Fragment segmentation duration is determined as to the clip durations of the virtual clip, according to the server mark of the streaming media server The characteristic parameter of knowledge, the file identification of the media file and the virtual clip constructs virtual piece described in the index file The corresponding index entry of section, and update the initial position of the virtual clip, jump to it is described judge the virtual clip whether be Last virtual clip in the media file；In the case of last virtual clip during the virtual clip is the media file, the processing unit is specific For determining the end position of the virtual clip according to the file size of the media file, according to the spy of the media file The initial position of sign parameter and the virtual clip determines the clip durations of the virtual clip, according to the streaming media server Server identification, the file identification of the media file and the characteristic parameter of the virtual clip construct in the index file The corresponding index entry of the virtual clip.
- 8. streaming media server according to claim 7, it is characterised in thatThe processing unit, is additionally operable to initialize remaining playing duration according to the file duration of the media file；The processing unit, specifically for judging whether the remaining playing duration is less than or equal to fragment segmentation duration；The virtual clip is not that last virtual clip in the media file includes：If the residue playing duration is big Split duration in the fragment, then it is not last virtual clip in the media file to judge the virtual clip；The virtual clip is that last virtual clip in the media file includes：If the residue playing duration is less than Or split duration equal to the fragment, then it is last virtual clip in the media file to judge the virtual clip；The processing unit, is additionally operable to update the remaining playing duration.
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| CN201510051752.5A CN104602138B (en) | 2015-01-30 | 2015-01-30 | A kind of method and device for making streaming media server support HLS protocol |
| CN201810119061.8A CN108124202B (en) | 2015-01-30 | 2015-01-30 | Method for making stream media server support H L S protocol |
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| CN104883626A (en) * | 2015-05-22 | 2015-09-02 | 深圳市九洲电器有限公司 | Method and system for streaming media management |
| CN105302883B (en) * | 2015-10-13 | 2018-12-21 | 深圳市乐唯科技开发有限公司 | A kind of management method and system of time-based media file |
| CN106658230A (en) * | 2015-10-29 | 2017-05-10 | 北京国双科技有限公司 | Method and device for dividing video time length |
| CN106658229A (en) * | 2015-10-29 | 2017-05-10 | 北京国双科技有限公司 | Video duration time dividing method and video duration time dividing device |
| CN107277081A (en) * | 2016-04-06 | 2017-10-20 | 北京优朋普乐科技有限公司 | Section method for down loading and device, the stream media system of stream medium data |
| CN105872598A (en) * | 2016-04-25 | 2016-08-17 | 乐视控股（北京）有限公司 | Multimedia live method and device |
| CN107613321A (en) * | 2016-07-12 | 2018-01-19 | 北京数码视讯科技股份有限公司 | A kind of method of program recording and device |
| CN106488259B (en) * | 2016-10-25 | 2019-09-06 | 上海网达软件股份有限公司 | A kind of joining method and system of HLS Streaming Media fragment |
| CN106973080A (en) * | 2017-02-20 | 2017-07-21 | 绿网天下（福建）网络科技股份有限公司 | A kind of big document distribution method of LAN and system |
| CN107370726B (en) * | 2017-06-22 | 2021-05-04 | 上海网达软件股份有限公司 | Virtual slicing method and system for distributed media file transcoding system |
| CN111866549B (en) | 2019-04-29 | 2023-03-24 | 腾讯科技（深圳）有限公司 | Video processing method and device, terminal and storage medium |
| CN110740342B (en) * | 2019-09-06 | 2022-02-18 | 浙江大华技术股份有限公司 | Storage medium, streaming media transmission and playing method, and slicing method and device |
| CN112256634B (en) * | 2020-10-14 | 2024-03-26 | 杭州当虹科技股份有限公司 | Http-based low-memory large file analysis method |
| CN113806316B (en) * | 2021-09-15 | 2022-06-21 | 星环众志科技(北京)有限公司 | File synchronization method, equipment and storage medium |
| CN117336311B (en) * | 2023-11-30 | 2024-03-12 | 深圳市小溪流科技有限公司 | Method and device for keeping consistency of multiple HLS server slices |
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| CN108124202A (en) | 2018-06-05 |
| CN108124202B (en) | 2020-07-21 |
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