CN102724584B - The online player method of Internet video, the online playing device of video and intelligent television - Google Patents
The online player method of Internet video, the online playing device of video and intelligent television Download PDFInfo
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Abstract
The present invention is applicable to Internet video and plays field, it is provided that a kind of online player method of Internet video, the online playing device of video and intelligent television；The online player method of Internet video includes: S1: obtain the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and starts to receive audio-video document；S2: the part that decoding audio-video document has been received by, puts into decoded voice data described audio buffer space, decoded video data is put into described video cache space；S3: judge audio buffer space or video cache space whether have one full；If so, from full audio buffer space and video cache space, then take out decoded data play out.In the present invention, the online player method of Internet video makes program data can better first be buffered on local internal memory by dynamically adjusting buffering, and broadcasting limit, limit is cushioned, and is effectively reduced high-definition program and plays the phenomenon of frequently card online.
Description
Technical field
The invention belongs to Internet video and play field, particularly relate to a kind of online player method of Internet video, the online playing device of video and intelligent television.
Background technology
Along with popularizing of intelligent television, increasing domestic consumer buys intelligent television；When using intelligent television viewing TV programme, being no longer limited to the program that television station pushes, user can select the video frequency program that some portal websites release to play online.But during online playing network television program, due to the restriction of bandwidth, some HD videos frequently occur the phenomenon playing card when playing.
Intelligent television is because internal memory limits, it is impossible to open up very big internal memory to buffering, card can often occur when playing HD video.Main reason is that the data of high-definition video file transmitted per unit time are relatively more, and the network bandwidth is inadequate, or when network congestion, multimedia decoder is when playing, it is thus achieved that documentation plays the phenomenon causing that audio frequency and video frequently occur card not.
Summary of the invention
The purpose of the embodiment of the present invention is in that to provide a kind of online player method of Internet video, it is intended to owing to the restriction of bandwidth causes playing the problem that card pauses when solving existing online playing network television program.
The embodiment of the present invention is achieved in that a kind of online player method of Internet video, comprises the steps:
S1: obtain the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and starts to receive described audio-video document；
S2: decode the part that described audio-video document has been received by, puts into described audio buffer space by decoded voice data, and decoded video data is put into described video cache space；
S3: judge whether described audio buffer space or described video cache space have one full；If, then from described audio buffer space and described video cache space, take out described decoded voice data and video data plays out, if data are zero in audio buffer space, or the data in video cache space are zero, then user waiting prompt, waits until one of them data cached full follow-up continuous playing audio-video data.
Further, described step S1 comprises the steps:
S11: obtain the form of described audio-video document to be played；
S12: calculate the audio buffer space needed for buffer memory and video cache space size according to the form of described audio-video document to be played；
S13: judge whether it is play first time or play after search；If then entering step S14, then enter step S16 if not；
S14: to data buffering before decoding；
S15: before determining whether described decoding, whether the data of buffering reach a frame decoding, if so, then proceeds to described step S2 and enters audio/video decoding；If it is not, then perform described step S14；
S16: calculate period of reservation of number according to described audio buffer space and described video cache space size and network speed；
S17: prompting program buffering neutralizes period of reservation of number, treats that period of reservation of number arrives, enters described step S15.
Further, described step S2 comprises the steps:
S21: according to the described audio buffer space calculated in described step S12 and described video cache space size, open up audio buffer space and video cache space；
S22: audio/video decoding；
S23: decoded audio, video data is respectively put into described audio buffer space and described video cache space.
Further, described step S3 comprises the steps:
S31: judge whether it is play first time or play after search, if so, then enter described step S33, if it is not, then enter step S32；
S32: judge whether described audio buffer space or described video cache space have one full, if so, then enter step S33, if it is not, be then back to the sub-step S14 of described step S1；
S33: playing audio-video；
S34: judge whether there is one in described audio buffer space and described video cache space for sky, if so, then enters step S35, if it is not, be then back to described step S33；
S35: judge that audio-video document is play and whether terminate；If then this flow process terminates, if it is not, be then back to the sub-step S13 of described step S1.
The present invention also aims to provide a kind of adopts the online player method of above-mentioned Internet video to realize the online playing device of video that Internet video is play online, including:
Audio-video document acquisition module, for obtaining the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and receives audio-video document according to the form of audio-video document to be played；
Cache module, including the audio buffer space for buffered audio data and the video cache space for buffered video data；
Decoder module, for the partial decoding of h being had been received by by the audio-video document that audio-video document acquisition module receives, and is respectively put into audio buffer space and the video cache space of correspondence by decoded audio, video data；
Judge module, is used for judging that whether cache module sound intermediate frequency spatial cache or video cache space be full；Commence play out when audio buffer space or video cache space have full then notice playing module；
Playing module, play out for taking out decoded data from cache module after receiving the play command of judge module, if data are zero in audio buffer space, or the data in video cache space are zero, then user waiting prompt, waits until one of them data cached full follow-up continuous playing audio-video data.
The present invention also aims to provide a kind of intelligent television including the online playing device of above-mentioned video.
In embodiments of the present invention, the online player method of Internet video designs different bufferings and buffering memory size according to different multimedia forms, is effectively reduced the utilization of internal memory, is capable of again the principle of buffering；Making program data can better first be buffered on local internal memory by dynamically adjusting buffering, broadcasting limit, limit is cushioned, and is effectively reduced high-definition program and plays the phenomenon of frequently card online；And dynamically can effectively utilize system physical internal memory as buffering, solve Online Video and play the phenomenon of frequently card, improve user and see smooth sense and the comfort of Internet video.Simultaneously because method of the present invention adopts first decodes the mode cushioned afterwards, it is different from and widely used at present first cushions the mode decoded afterwards, can being easy to the realization of multi-screen interactive, the slave of multi-screen interactive is no longer necessary to powerful decoding operational capability and has only to obtain the data playback in audio buffer space and video cache space.And can according to the needs of slave and function, one of the data in the selective data extracting audio buffer space or video cache space are play.
Accompanying drawing explanation
Fig. 1 is the flow chart of the online player method of a kind of Internet video that the embodiment of the present invention provides；
Fig. 2 is the flow chart of the online player method refinement of a kind of Internet video that the embodiment of the present invention provides；
Fig. 3 is the modular structure schematic diagram of the online playing device of video that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 illustrates the flow process of the online player method of a kind of Internet video that the embodiment of the present invention provides；For the ease of illustrating, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
A kind of online player method of Internet video comprises the steps:
S1: obtain the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and starts to receive audio-video document；
S2: the part that decoding audio-video document has been received by, puts into decoded voice data described audio buffer space, decoded video data is put into described video cache space；
S3: judge whether audio buffer space or video cache space have one full；If so, then from audio buffer space and video cache space, take out decoded voice data and video data plays out.
The online player method of Internet video that the embodiment of the present invention provides improves for the Caton phenomenon often occurred in prior art, specifically, according to video format dynamic calculation audio buffer space and video cache space.The part that decoding audio-video document has been received by, puts into decoded voice data described audio buffer space, decoded video data is put into described video cache space；Judge whether audio buffer space or video cache space have one full, from full audio buffer space and video cache space, if so, then take out decoded data play out.Solve online HD video of playing and frequently block the problem timed.Simultaneously because method of the present invention adopts first decodes the mode cushioned afterwards, it is different from and widely used at present first cushions the mode decoded afterwards, can being easy to the realization of multi-screen interactive, the slave of multi-screen interactive is no longer necessary to powerful decoding operational capability and has only to obtain the data playback in audio buffer space and video cache space.And can according to the needs of slave and function, one of the data in the selective data extracting audio buffer space or video cache space are play.
As in figure 2 it is shown, in embodiments of the present invention, step S1 specifically includes following step:
S11: obtain the form of audio-video document to be played；
S12: calculate the audio buffer space needed for buffer memory and video cache space size according to the form of audio-video document to be played；
S13: judge whether it is play first time or play after search；If then entering step S14, then enter step S16 if not；
S14: to data buffering before decoding；
S15: determine whether that before decoding, whether the data of buffering reach a frame decoding, if so, then proceed to step S2 and enter audio/video decoding；If it is not, then perform step S14；
S16: calculate period of reservation of number according to audio buffer space and video cache space size and network speed；
S17: prompting program buffering neutralizes period of reservation of number, treats that period of reservation of number arrives, enters step S15.
In embodiments of the present invention, step S2 specifically includes following step:
S21: according to the audio buffer space calculated in step S12 and video cache space size, open up audio buffer space and video cache space；
S22: audio/video decoding；
S23: decoded audio, video data is respectively put into audio buffer space and video cache space.
In embodiments of the present invention, the physical memory of intelligent television is opened up two pieces of spatial caches, for storing voice data after decoding and video data, play cushioning effect, can in the process play, longer buffer time is provided, thus solving Online Video to play the phenomenon of card to data transmission.After one piece of spatial cache in both video cache space or audio buffer space is filled with, commence play out, simultaneously multimedia system continue to receive audio, video data to be played, by decoder decoding audio data and video data, then decoded voice data and video data are continued to be respectively stored among voice data spatial cache and video data spatial cache.In the process play, data in moment monitoring audio buffer space and video cache space, if data are zero in audio buffer space, or the data in video cache space are zero, then user waiting prompt, waits until one of them data cached full follow-up continuous playing audio-video data.
In embodiments of the present invention, step S3 comprises the steps:
S31: judge whether it is play first time or play after search, if so, then enter step S33, if it is not, then enter step S32；
S32: judge whether audio buffer space or video cache space have one full, if so, then enter step S33, if it is not, be then back to the sub-step S14 of step S1；
S33: playing audio-video；
S34: judge whether there is one in audio buffer space and video cache space for sky, if so, then enters step S35, if it is not, be then back to step S33；
S35: judge that audio-video document is play and whether terminate；If then this flow process terminates, if it is not, be then back to the sub-step S13 of step S1.
In embodiments of the present invention, there is one in audio buffer space or video cache space for, after sky, calculating the waiting time according to audio buffer space, video cache space and network speed, display period of reservation of number, in waiting process, carry out audio/video decoding, data buffering.In audio buffer space or video cache space, both have a spatial cache completely then to commence play out, in the process play, multimedia system is still constantly respectively put into decoded voice data and video data in audio buffer space and video cache space, form a circulation, until network audio-video file finishes, such circulation pattern can effectively utilize physical memory, solves in the process that Online Video is play, frequently the problem of card.Being different from and widely used at present first cushion the mode decoded afterwards, can be easy to the realization of multi-screen interactive, the slave of multi-screen interactive is no longer necessary to powerful decoding operational capability and has only to obtain the data playback in audio buffer space and video cache space.And can according to the needs of slave and function, one of the data in the selective data extracting audio buffer space or video cache space are play.
In embodiments of the present invention, the audio-video document to be played of different-format, decoded audio-video document varies in size, required buffer memory also differs, therefore different media formats needs the cache size that dynamic calculation is different, just can effectively utilize the physical memory of system, solve the online problem playing frequently card.Step S12 is as follows according to the computational methods in the audio buffer space needed for the form calculating buffer memory of audio-video document to be played and video cache space size: the different-format according to video and audio frequency, open up the memory size of 10 seconds required informations of buffer memory, if the container with MKV1080P, H.264 video is, audio frequency is AC3, decode through multimedia decoder, video after decoding is rgb format, audio frequency after decoding is PCM format, sample frequency is that 44100HZ illustrates, then video cache space size=1920*1080*3*10/1024*1024=61Mbyte；Wherein: the resolution of 1080P is that each pixel of 1920*1080, RGB uses 3byte to represent, 10 represent 10 seconds buffer memorys；Audio buffer space size=44100*2*16*10/8=1764000byte=1.68Mbyte；Wherein: sample rate is 44100sample per second, 2 sound channels, every sample uses 16bit to represent, 10 represent 10 seconds buffer memorys.
The online player method of Internet video that the embodiment of the present invention provides, according to different media formats, dynamically adjusts cache size, effectively utilizes system physical internal memory, solves online HD video of playing and frequently blocks the problem timed.
A kind of adopt the online player method of above-mentioned Internet video to realize the online playing device of video that Internet video is play online as it is shown on figure 3, present invention also offers, for the ease of illustrating, illustrate only the part relevant to the embodiment of the present invention.Wherein: audio-video document acquisition module 31, for obtaining the form of audio-video document to be played, calculates spatial cache, and receives audio-video document；The decoder module 32 partial decoding of h for the audio-video document that audio-video document acquisition module 31 receives is had been received by, and decoded audio, video data is respectively put into audio buffer space 331 and the video cache space 332 of correspondence；Cache module 33 is including the audio buffer space 331 for buffered audio data and the video cache space 332 for buffered video data；Judge module 34 is used for judging that whether cache module 33 sound intermediate frequency spatial cache 331 or video cache space 332 be full；Commence play out when audio buffer space 331 or video cache space 332 have full then notice playing module 35；Playing module 35 plays out for taking out decoded data from cache module after receiving the play command of judge module 34.
In embodiments of the present invention, the online player method of Internet video designs different bufferings and buffering memory size according to different multimedia forms, is effectively reduced the utilization of internal memory, is capable of again the principle of buffering；Making program data can better first be buffered on local internal memory by dynamically adjusting buffering, broadcasting limit, limit is cushioned, and is effectively reduced high-definition program and plays the phenomenon of frequently card online；And dynamically can effectively utilize system physical internal memory as buffering, solve Online Video and play the phenomenon of frequently card, improve user and see smooth sense and the comfort of Internet video.Simultaneously because method of the present invention adopts first decodes the mode cushioned afterwards, it is different from and widely used at present first cushions the mode decoded afterwards, can being easy to the realization of multi-screen interactive, the slave of multi-screen interactive is no longer necessary to powerful decoding operational capability and has only to obtain the data playback in audio buffer space and video cache space.And can according to the needs of slave and function, one of the data in the selective data extracting audio buffer space or video cache space are play.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. the online player method of Internet video, it is characterised in that comprise the steps:
S1: obtain the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and starts to receive described audio-video document according to the form of audio-video document to be played；
S2: decode the part that described audio-video document has been received by, puts into described audio buffer space by decoded voice data, and decoded video data is put into described video cache space；
S3: judge described audio buffer space or described video cache space whether have one full；If, then from described audio buffer space and described video cache space, take out described decoded voice data and video data plays out, if data are zero in audio buffer space, or the data in video cache space are zero, then user waiting prompt, waits until one of them data cached full follow-up continuous playing audio-video data.
2. the online player method of Internet video as claimed in claim 1, it is characterised in that described step S1 comprises the steps:
S11: obtain the form of described audio-video document to be played；
S12: calculate the audio buffer space needed for buffer memory and video cache space size according to the form of described audio-video document to be played；
S13: judge whether it is play first time or play after search；If then entering step S14, then enter step S16 if not；
S14: to data buffering before decoding；
S15: before determining whether described decoding, whether the data of buffering reach a frame decoding, if so, then proceeds to described step S2 and enters audio/video decoding；If it is not, then perform described step S14；
S16: calculate period of reservation of number according to described audio buffer space and described video cache space size and network speed；
S17: prompting program buffering neutralizes period of reservation of number, treats that period of reservation of number arrives, enters described step S15.
3. the online player method of Internet video as claimed in claim 2, it is characterised in that described step S2 comprises the steps:
S21: according to the described audio buffer space calculated in described step S12 and described video cache space size, open up audio buffer space and video cache space；
S22: audio/video decoding；
S23: decoded audio, video data is respectively put into described audio buffer space and described video cache space.
4. the online player method of Internet video as claimed in claim 3, it is characterised in that described step S3 comprises the steps:
S31: judge whether it is play first time or play after search, if so, then enter step S33, if it is not, then enter step S32；
S32: judge described audio buffer space or described video cache space whether have one full, if so, then enter step S33, if it is not, be then back to the sub-step S14 of described step S1；
S33: playing audio-video；
S34: judge whether described audio buffer space and described video cache space have one for sky, if so, then enters step S35, if it is not, be then back to described step S33；
S35: judge that audio-video document is play and whether terminate；If then this flow process terminates, if it is not, be then back to the sub-step S13 of described step S1.
5. the device that an Internet video is play online, it is characterised in that including:
Audio-video document acquisition module, for obtaining the form of audio-video document to be played, calculates the audio buffer space needed for buffer memory and video cache space, and receives audio-video document according to the form of audio-video document to be played；
Cache module, including the audio buffer space for buffered audio data and the video cache space for buffered video data；
Decoder module, for the partial decoding of h being had been received by by the audio-video document that audio-video document acquisition module receives, and is respectively put into audio buffer space and the video cache space of correspondence by decoded audio, video data；
Judge module, is used for judging that whether cache module sound intermediate frequency spatial cache or video cache space be full；When audio buffer space or video cache space have full then notice playing module to commence play out；
Playing module, play out for taking out decoded data from cache module after receiving the play command of judge module, if data are zero in audio buffer space, or the data in video cache space are zero, then user waiting prompt, waits until one of them data cached full follow-up continuous playing audio-video data.
6. an intelligent television, it is characterised in that include the device that the Internet video described in claim 5 is play online.
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