CN109874028A - A kind of playback method, system and the storage medium of HLS Streaming Media - Google Patents
A kind of playback method, system and the storage medium of HLS Streaming Media Download PDFInfo
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- CN109874028A CN109874028A CN201711250280.1A CN201711250280A CN109874028A CN 109874028 A CN109874028 A CN 109874028A CN 201711250280 A CN201711250280 A CN 201711250280A CN 109874028 A CN109874028 A CN 109874028A
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Abstract
The invention discloses playback method, system and the storage mediums of a kind of HLS Streaming Media, method include: remote stream media server in HLS file index list file and TS slice file encrypt, local streaming media server and after listening to the playing request of media player, local streaming media server obtains index list file from remote stream media server and decrypts, while video playing domain name is replaced with home domain name by media player；Local streaming media server creates new index list file, and TS video segment file path is replaced with into home domain name, local streaming media server downloading TS video segment file is decrypted and caches, so that media player can directly play the TS video segment file after local decryption.The invention enables the media players of Android platform flexibly to support encryption HLS protocol, can be further realized pre-loaded function, adjusts buffer culture size according to network speed situation, reduces and occurs constantly buffering phenomenon in the unstable situation of network speed.
Description
Technical field
The present invention relates to Technology of Multimedia Stream Playing field more particularly to a kind of playback method of HLS Streaming Media, system and deposit
Storage media.
Background technique
HLS(HTTP Live Streaming, hypertext live stream) agreement founded by Apple Inc., for
The design of the communication terminals such as iPhone, iPad, it is based on HTTP(HyperText Transfer Protocol, HyperText Transfer
Agreement) streaming media interaction protocol, and HLS agreement supports automatic rate adaption, and Web takes in HLS technology
Business device provides the audio/video flow of near real-time to communication terminal.
Android Media Player is the multimedia included using the system of Android platform such as smart television
Device easily can play audio, video by means of the support of multimedia class MediaPlayer in the application.
But the system plays device MediaPlayer of Android platform support agreement (not supporting RTMP, MMS etc.) and
Encapsulation format is very limited, and cannot play the HLS Streaming Media of encryption, can not to video source increase user-defined encrypted algorithm and
Door chain technology.
In summary, the existing technology has inconveniences and defects in actual use.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the present invention are to solve prior art defect and deficiency, propose one kind
The playback method of HLS Streaming Media, by creation local http streaming cache proxy server as system media player and remotely
The intermediary of streaming media server answers the request of system media player to complete to encryption by local http streaming cache proxy server
The decryption of HLS Streaming Media simultaneously returns to system media player in real time and plays out, so that the smart television etc. of Android platform
System media player Media Player can flexibly support encryption HLS agreement.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of playback method of HLS Streaming Media, for the HLS Streaming Media in Android platform support user-defined encrypted algorithm
It plays, includes the following steps:
A, remote stream media server in HLS file index list file and TS slice file encrypt；
B, after creating local streaming media server and listening to the playing request of the media player, the local Streaming Media clothes
Business device is obtained from the remote stream media server and index list file and is decrypted, while the media player is by video playing
Domain name replaces with home domain name；
C, local streaming media server creates new index list file, and TS video segment file path is replaced with local domain
Name, the local streaming media server downloading TS video segment file is decrypted and caches, so that the media player is straight
Connect the TS video segment file after playing local decryption.
It is improved as further technical solution, the step A remote stream media server, which carries out encryption to HLS file, is
To the index list file and TS slice file content double-encryption in HLS file, algorithm is using standard AES-128 encryption calculation
Method.
It is improved as further technical solution, it is using lightweight that local streaming media server is created in the step B
Open source http-server NanoHTTPD.
It is improved as further technical solution, local streaming media server described in the step B is from the long-range stream
It is to obtain M3U8 index list file simultaneously from remote stream media server that media server, which obtains index list file and decrypts,
The M3U8 index list file is decrypted.
It is improved as further technical solution, media player described in the step B replaces video playing domain name
It is that the domain name of the video playing is replaced with to local 127.0.0.1 domain name for home domain name, i.e., media player is to described
Ground streaming media server sends request.
It is improved as further technical solution, local streaming media server described in the step C creates new index column
List file is the new M3U8 index list file of creation, and by the TS video segment file in the new M3U8 index list file
Path replacement is local 127.0.0.1 domain name path, so that local streaming media server described in the media renderer plays is
The TS video segment file of downloading.
It is improved as further technical solution, the downloading TS video of local streaming media server described in the step C is cut
Piece file is decrypted and caches, so that the TS video segment file that the media player directly plays after local decryption is specific
Include the following steps:
The local streaming media server obtains TS listed files download address by M3U8 index list document analysis；
The local streaming media server is regarded according to TS listed files download address from remote stream media server downloading TS
Frequency slice file, carries out asynchronous decryption processing to TS video segment file, and is cached to the local streaming media server；
The new M3U8 index list file is returned to the media player by the local streaming media server, by media
Player directly plays the TS video segment file cached on local streaming media server.
The present invention also provides a kind of play systems of HLS Streaming Media, for supporting Custom Encryption to calculate in Android platform
The broadcasting of the HLS Streaming Media of method, including processor, and the memory being connected to the processor, the memory are stored with
The playing program of the playing program of Android platform HLS Streaming Media, Android platform HLS Streaming Media is held by the processor
It is performed the steps of when row
A, remote stream media server in HLS file index list file and TS slice file encrypt；
B, after creating local streaming media server and listening to the playing request of the media player, the local Streaming Media clothes
Business device is obtained from the remote stream media server and index list file and is decrypted, while the media player is by video playing
Domain name replaces with home domain name；
C, local streaming media server creates new index list file, and TS video segment file path is replaced with local domain
Name, the local streaming media server downloading TS video segment file is decrypted and caches, so that the media player is straight
Connect the TS video segment file after playing local decryption.
The present invention also provides a kind of storage medium, the storage medium is stored with the broadcasting of Android platform HLS Streaming Media
The playing program of program, Android platform HLS Streaming Media realizes above-mentioned Android platform HLS stream matchmaker when being executed by processor
The step of playback method of body.
The invention enables the system media players of the intelligent TV set of Android platform etc. flexibly to support as a result,
HLS agreement is encrypted, and can efficiently, directly play TS high definition stream media file using its hard solution function；Preferably
It is that pre-loaded function may be implemented in local http streaming media server end, according to user's network speed situation, adjust automatically buffer culture
Size reduces and occurs constantly buffering phenomenon in the unstable situation of network speed.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the playback method preferred embodiment of HLS Streaming Media of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
HTTP Live Streaming(abbreviation is HLS) it is the Streaming Media based on HTTP proposed by Apple Inc.
The network transmission protocol.It is a part of Apple Inc.'s QuickTime X and iPhone software systems.Its working principle is whole
A stream be divided into it is small one by one downloaded based on the file of HTTP, only download every time.When Media Stream is playing, client
End, which can choose, downloads same resource from many different Back Up Sources with different rates, and flow media session is allowed to adapt to not
Same data rate.HLS simply requests basic HTTP message, can pass through any firewall for passing through of permission HTTP data or
Proxy server, it is also easy to carry out media stream using content distributing network.The encapsulation format of the video of HLS is TS
(Transport Stream) also defines the m3u8 index list file for controlling broadcasting.The Web in HLS technology
Server provides the audio/video flow of near real-time to communication terminal.
NanoHttpd is a very powerful open source library, is the miniature web server realized using Java, be one can be embedding
The HTTP Server for entering the lightweight of application program is an all well and good micro server solution for Android platform
Certainly scheme can be easily integrated into Android application.
Android Media Player is the included multimedia player of the systems such as the smart television of Android platform,
By means of the support of multimedia class MediaPlayer, audio, video can be easily played in the application.But Android
The agreement (not supporting RTMP, MMS etc.) and encapsulation that the system media player MediaPlayer of the smart television of platform etc. is supported
Format is very limited, and cannot play the HLS Streaming Media of encryption, can not increase user-defined encrypted algorithm and antitheft to video source
Chain technology.
For solve Android platform smart television etc. system media player MediaPlayer above-mentioned insufficient and
Problem, the present invention provides a kind of playback methods of Android platform HLS Streaming Media, can be used in Android platform media and broadcast
Put the HLS streaming media playing that device carries out Encryption Algorithm.Such as a kind of process of the playback method preferred embodiment of HLS Streaming Media of Fig. 1
Shown in figure, the preferred embodiment of the present invention includes the following steps:
Step S100, remote stream media server in HLS file index list file and TS slice file encrypt.Its
In, it is in the index list file and TS slice file in HLS file that remote stream media server, which carries out encryption to HLS file,
Hold double-encryption, algorithm uses standard AES-128 Encryption Algorithm, can also take other Encryption Algorithm, herein with no restriction.
Step S200, it is described after creating local streaming media server and listening to the playing request of the media player
Local streaming media server obtains index list file from the remote stream media server and decrypts, while the media play
Video playing domain name is replaced with home domain name by device.
Using the open source Http server NanoHTTPD of lightweight, monitoring system media player MediaPlayer's is broadcast
Request is put, system media player MediaPlayer refers to the included media player of the system based on Android platform.
Media player initiates playing request, and the domain name replaced in URL is local 127.0.0.1, receives new M3U8 rope
Draw listing file, the TS video segment file after playing decryption.
By calling the setDataSource of the system media player MediaPlayer, video playing road is set
Diameter, video path domain name part are substituted for 127.0.0.1, such as: video address is http://stream2.ahtv.cn/
Ahgj/fd/live.m3u8, then the biography ginseng of setDataSource is http: // 127.0.0.1/ahgj/fd/live.m3u8；
The system media player MediaPlayer receives the described new of the local http streaming cache proxy server return
M3U8 index list file after, parse the new M3U8 index list file, the system plays device MediaPlayerr
It is sliced document order according to the TS of the new M3U8 index list file, is asked to the local http streaming cache proxy server
It asks buffered TS video to switch file to play out.
Step S300, local streaming media server creates new index list file, and TS video segment file path is replaced
It is changed to home domain name, the local streaming media server downloading TS video segment file is decrypted and caches, so that the matchmaker
Body player directly plays the TS video segment file after local decryption.
The local streaming cache proxy server receives system media player MediaPlayer and obtains M3U8 index list
After the request of file, M3U8 index list file is obtained from remote stream media server, M3U8 index list file is solved
Close processing, local streaming cache proxy server obtain TS video segment text by the M3U8 index list document analysis to decryption
Part list download address downloads the TS video segment file from remote content the distribution server, to the TS video segment text
Part carries out asynchronous decryption processing, and is saved in inside the local streaming cache proxy server, the local streaming cache proxy clothes
Business device creates new M3U8 index column while downloading the TS video segment file and decrypting caching to it inside catalogue
List file, and the TS video segment file path inside the new M3U8 index list file is replaced with into local
The new M3U8 index list file is returned to the system plays device MediaPlayer by 127.0.0.1 path.
In order to further explain the realization of the method for the present invention, the specific works of the method for the present invention preferred embodiment are understood
Process, below in conjunction with the smart television client creation streaming media server using Android platform and between media player
The course of work be described in detail:
A, client creates local http streaming cache proxy server；
B, client call system media player MediaPlayer initiates playing request, the domain name replacement in video playing URL
For local 127.0.0.1, i.e., playing request is sent to the local streaming cache proxy server；
C, after the local streaming cache proxy server receives the system media player MediaPlayer playing request,
M3U8 index list file is obtained from remote stream media server, and the M3U8 index list file is decrypted；
D, the local streaming cache proxy server obtains TS video by the M3U8 index list document analysis to decryption
It is sliced listed files download address, the TS video segment file is downloaded from remote content the distribution server, to the TS video
It is sliced file and carries out asynchronous decryption processing, and be cached in the local http streaming cache proxy server；
E, the local streaming cache proxy server is while downloading the TS video segment file and decrypting caching to it,
Create new M3U8 index list file inside catalogue, and by the TS video segment inside the new M3U8 index list file
File path replaces with the local path 127.0.0.1, i.e., what the described system plays device MediaPlayer was played be it is local under
The TS video segment file of load；
F, the new M3U8 index list file is returned to the system plays device by the local streaming cache proxy server
MediaPlayer is played out, and the system media player MediaPlayerr is according to the new M3U8 index list text
The TS video segment document order in part requests buffered TS view to the local http streaming cache proxy server
Video segment file plays out.
The present invention also provides a kind of play systems of HLS Streaming Media, for supporting Encryption Algorithm in Android platform
The broadcasting of HLS Streaming Media, including processor, and the memory being connected to the processor, the memory are stored with HLS
The playing program of Streaming Media, the playing program of the HLS Streaming Media perform the steps of when being executed by the processor
Remote stream media server in HLS file index list file and TS slice file encrypt；
After creating local streaming media server and listening to the playing request of the media player, the local streaming media service
Device is obtained from the remote stream media server and index list file and is decrypted, while the media player is by video playing domain
Name replaces with home domain name；
Local streaming media server creates new index list file, and TS video segment file path is replaced with home domain name,
The local streaming media server downloading TS video segment file is decrypted and caches, so that the media player is directly broadcast
TS video segment file after putting local decryption.
The work of the playback method of the specific workflow of the play system of above-mentioned HLS Streaming Media and above-mentioned HLS Streaming Media
Process is identical, does not repeat herein.
The present invention also provides a kind of storage medium, which is computer-readable storage medium, and the storage is situated between
Matter is stored with the playing program of HLS Streaming Media, and the playing program of the HLS Streaming Media realizes above-mentioned HLS stream when being executed by processor
The step of playback method of media.
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not sufficient to limit of the invention
Technical solution within the spirit and principles in the present invention, can add according to the above description for those of ordinary skills
With increase and decrease, replacement, transformation or improvement, and all these increases and decreases, replacement, transformation or improved technical solution, it all should belong to this
The protection scope of invention appended claims.
Claims (9)
1. a kind of playback method of HLS Streaming Media, for carrying out the HLS stream of Encryption Algorithm in Android platform media player
Media play, it is characterised in that include the following steps:
A, remote stream media server in HLS file index list file and TS slice file encrypt；
B, after creating local streaming media server and listening to the playing request of the media player, the local Streaming Media clothes
Business device is obtained from the remote stream media server and index list file and is decrypted, while the media player is by video playing
Domain name replaces with home domain name；
C, local streaming media server creates new index list file, and TS video segment file path is replaced with local domain
Name, the local streaming media server downloading TS video segment file is decrypted and caches, so that the media player is straight
Connect the TS video segment file after playing local decryption.
2. a kind of playback method of HLS Streaming Media according to claim 1, which is characterized in that the step A remotely flows matchmaker
Body server to HLS file carry out encryption be in HLS file index list file and TS slice file content double-encryption,
Algorithm uses standard AES-128 Encryption Algorithm.
3. a kind of playback method of HLS Streaming Media according to claim 1, which is characterized in that create this in the step B
Ground streaming media server is the open source http-server NanoHTTPD using lightweight.
4. a kind of playback method of HLS Streaming Media according to claim 1, which is characterized in that described in the step B originally
It is from remote stream media service that ground streaming media server obtains index list file and decrypt from the remote stream media server
M3U8 index list file is obtained in device and the M3U8 index list file is decrypted.
5. a kind of playback method of HLS Streaming Media according to claim 1, which is characterized in that matchmaker described in the step B
It is that the domain name of the video playing is replaced with local 127.0.0.1 that video playing domain name is replaced with home domain name by body player
Domain name, i.e. media player send request to the local streaming media server.
6. a kind of playback method of HLS Streaming Media according to claim 5, which is characterized in that described in the step C originally
It is the new M3U8 index list file of creation that ground streaming media server, which creates new index list file, and by the new M3U8 index
TS video segment file path in listing file replaces with local 127.0.0.1 domain name path, so that the media player
Play the TS video segment file that the local streaming media server has been downloaded.
7. a kind of playback method of HLS Streaming Media according to claim 6, which is characterized in that described in the step C originally
Streaming media server downloading TS video segment file in ground is decrypted and caches, so that the media player directly plays local
TS video segment file after decryption specifically comprises the following steps:
The local streaming media server obtains TS listed files download address by M3U8 index list document analysis；
The local streaming media server is regarded according to TS listed files download address from remote stream media server downloading TS
Frequency slice file, carries out asynchronous decryption processing to TS video segment file, and is cached to the local streaming media server；
The new M3U8 index list file is returned to the media player by the local streaming media server, by media
Player directly plays the TS video segment file cached on local streaming media server.
8. a kind of play system of HLS Streaming Media, for supporting the HLS Streaming Media of user-defined encrypted algorithm in Android platform
Broadcasting, which is characterized in that including processor, and the memory being connected to the processor, the memory are stored with
The playing program of the playing program of Android platform HLS Streaming Media, Android platform HLS Streaming Media is held by the processor
It is performed the steps of when row
A, remote stream media server in HLS file index list file and TS slice file encrypt；
B, after creating local streaming media server and listening to the playing request of the media player, the local Streaming Media clothes
Business device is obtained from the remote stream media server and index list file and is decrypted, while the media player is by video playing
Domain name replaces with home domain name；
C, local streaming media server creates new index list file, and TS video segment file path is replaced with local domain
Name, the local streaming media server downloading TS video segment file is decrypted and caches, so that the media player is straight
Connect the TS video segment file after playing local decryption.
9. a kind of storage medium, which is characterized in that the storage medium is stored with the playing program of HLS Streaming Media, which flows matchmaker
The step of the playback method of the described in any item HLS Streaming Medias of claim 1 to 7 is realized when the playing program of body is executed by processor
Suddenly.
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| CN110446074A (en) * | 2019-07-17 | 2019-11-12 | 福建天泉教育科技有限公司 | Method, the storage medium of encryption audio-video are played based on AVPlayer |
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| CN115134420A (en) * | 2021-03-24 | 2022-09-30 | 华为技术有限公司 | Media playing method and device and electronic equipment |
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| CN114245233B (en) * | 2021-12-20 | 2023-04-07 | 中电福富信息科技有限公司 | Authentication method based on HLS protocol playing |
| CN114363721A (en) * | 2022-01-19 | 2022-04-15 | 平安国际智慧城市科技股份有限公司 | HLS-based video playing method, device, equipment and storage medium |
| CN114679438A (en) * | 2022-03-03 | 2022-06-28 | 上海艾策通讯科技股份有限公司 | Streaming media data transmission method and device, computer equipment and storage medium |
| CN115460471A (en) * | 2022-08-11 | 2022-12-09 | 北京奇艺世纪科技有限公司 | Video playing method and device, electronic equipment and computer readable medium |
| CN115334359A (en) * | 2022-10-13 | 2022-11-11 | 深圳市华曦达科技股份有限公司 | Encrypted video management method, device and system |
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