CN102510543A - Method and system for playing audio/video - Google Patents
Method and system for playing audio/video Download PDFInfo
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Abstract
The invention is applicable to the field of communication and provides a method and system for playing audio/video. The method comprises the following steps: local terminal equipment acquires an original uniform resource locator (URL) of the audio/video required to be played by a user on a WEB site; the local terminal equipment transmits the URL to a URL resolution server through a network for analyzing the URL to obtain an actual URL, corresponding to the URL, of an audio/video file; and a cloud decoding server receives the actual URL, decodes the audio/video file and transmits the decoded audio/video file to the local terminal equipment for playing. The technical scheme provided by the invention has the advantage of reducing design cost.
Description
Technical field
The invention belongs to the communications field, relate in particular to a kind of audio frequency and video player method and system.
Background technology
Development along with the network website; More and more users is chosen on the web website and watches audio frequency and video; Existing in the embedded product field; Method playing the flash audio frequency and video on the web website on the product terminal mostly is the agent through the appointment of Adobe company, develops relevant flash player through these agents.Many times, hardware terminal manufacturer needs to carry out a large amount of cooperatings with the agent of these appointments, and the driving of hardware decoder is cooperated on the flash player that is articulated to these agents' exploitations.
In realizing process of the present invention, find that there is following problem in the technical scheme of prior art:
The design of the decoder of different audio frequency and video playback terminal inside is different in the method that prior art provides; Many times; The design of hardware decoder does not also meet the flash broadcast scheme that provides on the Adobe agency; So just need a large amount of workloads to come the framework and the decoder decode driving of flash player are made amendment, improve design cost.The audio frequency and video playback terminal also runs into similar situation during to the support of audio frequency and video formatted files such as QuickTime in expansion.
On the other hand; From the network audio-video medium the issue in; General to URL (Uniform Resource Location to medium; URL) certain hiding carried out in the address, adopts exactly that direct-connected URL address generally is directly to find the media file that can play on the network, needs through the technology conversion.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of audio frequency and video player method, is intended to solve the high problem of existing technical scheme design cost.
The embodiment of the invention is achieved in that the method that a kind of audio frequency and video are play, and said method comprises:
Local terminal obtains the original uniform resource position mark URL of the audio frequency and video that the user need play on the WEB website;
Local terminal sends to the URL resolution server this URL is resolved the actual URL that obtains the corresponding audio-video document of this URL with this URL through network;
The high in the clouds decoding server receives actual URL, and audio-video document is decoded, and transfers to the local terminal broadcast.
On the other hand, the present invention also provides a kind of audio-video frequency playing system, and said system comprises:
Long-range URL resolution server is used to provide the URL analysis service;
The high in the clouds decoding server is used for long-range URL resolution server and connects, and obtains the primitive network audio-video document, and audio-video document is decoded;
Local terminal is used for connecting with the high in the clouds decoding server, obtains and plays through the ES data flow behind decoding and encapsulation or the secondary coding, and said ES data flow is the audio and video data streams through encapsulation or secondary coding.
In embodiments of the present invention; Technical scheme provided by the invention is through the server in high in the clouds the actual content of URL to be decoded; Local terminal only need be play and get final product; Do not need decoding, thus do not need a large amount of workloads to come the framework and the decoder decode driving of flash player are made amendment, so it has reduced design and maintenance cost.
Description of drawings
Fig. 1 is the flow chart of a kind of audio frequency and video player method provided by the invention;
Fig. 2 is the structure chart of a kind of audio-video frequency playing system provided by the invention;
Fig. 3 is the flow chart of a kind of audio frequency and video player method of providing of the embodiment of the invention one.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The method that the present invention provides a kind of audio frequency and video to play, this method is accomplished by local terminal, long-range URL resolution server, high in the clouds decoding server, and this method is as shown in Figure 1 to be comprised:
S11, local terminal obtain the original URL of the audio frequency and video that the user need play on the WEB website;
S12, long-range URL resolution server send to the URL resolution server so that this URL is resolved with this URL through network, obtain the actual URL of the corresponding audio-video document of this URL;
S13, high in the clouds decoding server receive actual URL, and audio-video document is decoded and encapsulated, and transfer to local terminal and play.
Method provided by the invention is through the high in the clouds decoding server actual content of URL to be decoded; Local terminal only need be play and get final product; Do not need decoding; So do not need a large amount of workloads to come the player to flash, the framework of players such as QuickTime and decoder decode drive and make amendment, so it has reduced design and maintenance cost.
Optional, the step that realizes S13 specifically can for:
The high in the clouds decoding server is downloaded the corresponding audio frequency and video in this actual URL address and is decoded, again through generating the ES data flow behind encapsulation or the secondary coding; Local terminal and high in the clouds decoding server connect, and transmit said ES data flow through the network transmission protocol; Local terminal is play this ES data flow data, and said ES data flow is the audio and video data streams through encapsulation or secondary coding.
Optional; Above-mentioned terminal equipment and high in the clouds server connect; Transmitting said ES data flow through the network transmission protocol specifically can comprise: the high in the clouds server is set up FTP (File Transportation Protocol; Ftp) (Hyper Text Transportation Protocol, http) service is through http agreement or the described ES data flow of ftp protocol transmission for service or HTTP.
Optional, said method also comprises after S13: the high in the clouds decoding server is set up ES data working area, is used for the ES data flow data that the buffer memory audio/video file generates through decoding.
Optional, above-mentioned local terminal is play this ES data flow and is specially:
The high in the clouds decoding server is set up the buffer_thread process, is used to push the ES data flow that generates through decoding; Local terminal is set up data processing process data_thread; This process pushes the ES data flow of coming through receiving the high in the clouds decoding server; The voice data of ES data flow is received in audio buffer; The video data of ES data flow is received in screen buffer, and pushes to corresponding hardware driving broadcast or demonstration to buffered data.
The specific embodiment of the invention also provides a kind of audio-video frequency playing system, and this system is as shown in Figure 2, comprising: long-range URL resolution server 21, high in the clouds decoding server 22 and local terminal 23; Local terminal 23 is connected through Internet with long-range URL resolution server 21, high in the clouds decoding server 22 respectively, wherein:
Long-range URL resolution server 21 is used to provide the URL analysis service;
High in the clouds decoding server 22 is used for long-range URL resolution server and connects, and obtains the primitive network audio-video document, and audio-video document is decoded;
System provided by the invention decodes to the actual content of URL through the server in high in the clouds; Local terminal only need be play and get final product; Do not need decoding; So do not need a large amount of workloads to come the framework and the decoder decode driving of flash or QuickTime player are made amendment, so it has reduced design cost.
Optional, above-mentioned long-range URL resolution server 21 comprises:
Optional, above-mentioned high in the clouds decoding server 22 comprises:
URL analysis request program unit 221 is used for connecting with URL resolution server 21, and request is obtained effective URL address to the parsing of network media URL address;
Optional, be provided with in the above-mentioned decoding unit 222: flash audio/video decoder or QuickTime decoder.
Optional, above-mentioned local terminal 23 comprises:
Teledata receiving element 231 is used for connecting and receiving remote ES data flow with the high in the clouds decoding server;
Audio and video buffer unit 232 is used for the voice data of ES data flow is received in audio buffer, and the video data of ES data flow is received in screen buffer;
Embodiment one
A kind of audio frequency and video player method that the embodiment of the invention one provides, the prerequisite that this method realizes be, preestablishes a URL analysis request program, and the URL of the audio frequency and video that this requestor is used for the user need be play sends to resolution server; This process is accomplished by local terminal, and said local terminal comprises portable terminal, panel computer, PC, intelligent television etc.This method is as shown in Figure 3, comprising:
S31, local terminal obtain the audio frequency and video that the user need play on the WEB website original URL (Uniform Resource Location, URL);
S32, local terminal through URL analysis request program this URL are sent to resolution server through network so that resolution server is resolved the actual URL that obtains the corresponding audio-video document of this URL to this URL;
S33, high in the clouds decoding server receive actual URL, and call decoder the audio-video document of this actual URL is decoded, and transfer to terminal plays equipment and play or show.
Need to prove that above-mentioned actual URL specifically can be the directly corresponding URL address of: the flash audio frequency and video in audio frequency and video source.
Need to prove, the method that realizes S13 specifically can for:
Call the corresponding flash audio frequency and video in the actual URL of local player direct decoding address, obtain network side and pass through Demux generation ES data flow through http agreement or ftp protocol transmission; Play this ES data flow.
Need to prove that above-mentioned the pass through Demux of network side through http agreement or ftp protocol transmission that obtain generates the ES data flow and specifically can comprise:
High in the clouds decoding server equipment is newly opened a data treatment progress buffer_thread (buffer-process) in this locality; In process, safeguard obtaining and sending to audio buffer (audio buffer), video buffer (screen buffer); To audio buffer and video buffer; Set the value of statistical indicant of low level, send level and high level, the transmission of data flow is controlled.
The high in the clouds decoding server is through calling the code stream demux that decoder decode obtains different encapsulation format such as flash, QuickTime; Respectively audio ES, video ES data are pushed among the audio buffer and video buffer in the corresponding buffer thread process, and then play to local terminal through Network Transmission.Along with the raising of network transfer speeds, the remote decoder of the stream medium audio and video that system is also can other frame per second of corresponding support high, the local broadcast;
The high in the clouds decoding server is provided with the buffer_thread process, is used for handling respectively audio buffer and video buffer; Concrete processing mode can for: when the data of audio buffer and video buffer exceed low level value and reach send level value, begin sending data to terminal platform, time-out transmission when data are sent to low level value; When data reached high level value, the buffer_thread process suspension received audio, the video data that the demux process is transmitted, and when reaching send level value, begins to receive audio, video data.
The high in the clouds decoding server is through audio, the video data of http agreement or the transmission of ftp agreement then.
Need to prove, the concrete grammar of this ES data flow of above-mentioned terminal plays can for:
Set up a data treatment progress data_thread; This process receives the high in the clouds decoding server to push the data flow of coming through http agreement or ftp agreement; The voice data of data flow is received in audio buffer, the audio, video data of data flow is received in video buffer.Player is according to the coded system of audio frequency, audio frequency and video; Be pushed directly to audio frequency and video display the play the inlet display the play; Perhaps call corresponding audio frequency and video and audio decoder and carry out the secondary decoding, data drove through corresponding hardware and play and demonstration after decoding finished.
Method provided by the invention is installed a simple URL analysis request program in this locality, network media URL such as flash, QuckTime are resolved to the URL address of the physical medium source existence that can play-over; After by the high in the clouds decoding server the corresponding data of this URL being decoded, be transferred to local terminal, local terminal directly calls local player plays and resolves the URL address of accomplishing.
Those of ordinary skills can recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each certain applications, but this realization should not thought and exceeds scope of the present invention.
The those skilled in the art can be well understood to, for the convenience described with succinct, the concrete course of work of the system of foregoing description, device and unit can repeat no more at this with reference to the corresponding process among the preceding method embodiment.
In several embodiment that the application provided, should be understood that the system that is disclosed, apparatus and method can realize through other mode.For example, device embodiment described above only is schematically, for example; The division of said unit; Only be that a kind of logic function is divided, during actual the realization other dividing mode can be arranged, for example a plurality of unit or assembly can combine or can be integrated into another system; Or some characteristics can ignore, or do not carry out.
Said unit as separating component explanation can or can not be physically to separate also, and the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of unit wherein of reality.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing unit, also can be that the independent physics in each unit exists, and also can be integrated in the unit two or more unit.
If said function realizes with the form of SFU software functional unit and during as independently production marketing or use, can be stored in the computer read/write memory medium.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the said method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method play of audio frequency and video is characterized in that said method comprises:
Local terminal obtains the original uniform resource position mark URL of the audio frequency and video that the user need play on the WEB website;
Local terminal sends to the URL resolution server this URL is resolved the actual URL that obtains the corresponding audio-video document of this URL with this URL through network;
The high in the clouds decoding server receives actual URL, and audio-video document is decoded, and transfers to the local terminal broadcast.
2. audio frequency and video player method according to claim 1 is characterized in that, the actual URL of said reception, and the high in the clouds decoding server is decoded to audio-video document, and transfers to local playback equipment and play and be specially:
The high in the clouds decoding server is downloaded the corresponding audio frequency and video in this actual URL address and is decoded, and again data is encoded, is encapsulated, and generates the ES data flow;
Local terminal and high in the clouds server connect, and transmit said ES data flow through the network transmission protocol;
Local terminal is play this ES data flow.
3. method according to claim 2; Said terminal equipment and high in the clouds server connect; Transmit said ES data flow through the network transmission protocol; It is characterized in that said high in the clouds server is set up FTP ftp service or HTTP http service, through http agreement or the described ES data flow of ftp protocol transmission.
4. method according to claim 2 is characterized in that, described high in the clouds decoding server is set up ES data working area, is used for the ES data flow data that the buffer memory audio/video file generates through decoding.
5. method according to claim 2 is characterized in that, said local terminal is play this ES data flow and is specially:
The high in the clouds decoding server is set up the buffer_thread process, is used to push the ES data flow that generates through decoding;
Local terminal is set up data processing process data_thread; This process pushes the ES data flow of coming through receiving the high in the clouds decoding server; The voice data of ES data flow is received in audio buffer; The video data of ES data flow is received in screen buffer, and pushes to corresponding hardware driving broadcast or demonstration to buffered data.
6. an audio-video frequency playing system is characterized in that, said system comprises:
Long-range URL resolution server is used to provide the URL analysis service;
The high in the clouds decoding server is used for connecting with long-range URL resolution server, obtains the primitive network audio-video document, and audio-video document is decoded;
Local terminal is used for connecting with the high in the clouds decoding server, obtains and plays through decoded ES data flow.
7. Play System according to claim 6 is characterized in that, said long-range URL resolution server comprises:
The URL resolution unit is used for the URL address of telecommunication network medium is resolved, and obtains the actual URL address of telecommunication network medium.
8. Play System according to claim 6 is characterized in that, said high in the clouds decoding server comprises:
URL analysis request program unit is used for connecting with the URL resolution server, and request is obtained effective URL address to the parsing of network media URL address;
Decoding unit is used for said audio, video data is decoded, and generates audio-visual ES data flow;
Transmission unit is used to adopt the described ES data flow of http agreement or ftp protocol transmission.
9. Play System according to claim 8 is characterized in that, is provided with in the said decoding unit: flash audio/video decoder or QuickTime decoder.
10. Play System according to claim 6 is characterized in that, it is characterized in that,
Said local terminal comprises:
The teledata receiving element is used for connecting and receiving remote ES data flow with long-range high in the clouds server;
The audio and video buffer unit is used for the voice data of ES data flow is received in audio buffer, and the video data of ES data flow is received in screen buffer;
Push broadcast unit, be used for described voice data and video data and push to corresponding hardware driving broadcast and show.
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| CN2011103704826A CN102510543A (en) | 2011-11-18 | 2011-11-18 | Method and system for playing audio/video |
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| CN106817590B (en) * | 2015-11-27 | 2019-07-23 | 南宁富桂精密工业有限公司 | Dynamic controls the system and method for multiple video downloads |
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| CN110460888A (en) * | 2019-07-04 | 2019-11-15 | 深圳市福瑞达显示技术有限公司 | A kind of the 3D fan screen display system and its method of network audio-video |
| CN110933470A (en) * | 2019-11-29 | 2020-03-27 | 杭州当虹科技股份有限公司 | Video data sharing method |
| WO2021139045A1 (en) * | 2020-01-10 | 2021-07-15 | 海信视像科技股份有限公司 | Method for playing back media project and display device |
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Application publication date: 20120620 |