CN103873927A - Stream media data processing method and electronic equipment - Google Patents
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Abstract
The invention provides a stream media data processing method and electronic equipment. The stream media data processing method is applied to the electronic equipment, and comprises the following steps of when an enabled instruction is received, receiving a first transport stream segment at a starting position of corresponding stream media data, wherein the stream media data has first time duration or magnitude, and the first transport stream segment has second time duration or magnitude; decoding and playing the received first transport stream segment; when the first transport stream segment is completely received, calculating remaining time duration or magnitude of the stream media data; selecting uniformly scattered positions from the remaining time duration or magnitude of the stream media data; receiving transport stream segments which have third time duration or magnitude of the stream media data at the selected positions.
Description
Technical field
The present invention relates to the field of electronic equipment, more specifically, the present invention relates to a kind of data processing method, detection method and electronic equipment.
Background technology
Streaming media on demand has become the important content consumption mode in the Internet, but Streaming Media viewing experience at present and local video gap are larger, Main Bottleneck is that the data buffering speed that the network bandwidth causes is slower, starts or searches for the wait that all needs the long period.If can improve the speed of Streaming Media search, no matter for PC or mobile device, all will well improve user and experience, increase usage rate of the user.
Current subject matter is, the search of some broadcasting flow-medium is all the deviation post that calculates (in server end or client) video data after search, start downloading data from new deviation post afterwards, when starting to play after the enough enough data of buffering, as long as downloading process exists, the buffering course after search is all without the speed that reaches local video broadcasting.
For this reason, expect to provide a kind of streaming medium data processing method and electronic equipment, it can improve the speed of streaming media on demand search, improves the speed of the rear data buffering of search, makes it be similar to local video and plays.
Summary of the invention
According to one embodiment of the invention, a kind of streaming medium data processing method is provided, be applied to electronic equipment, the method comprises:
In the time receiving enabled instruction, receive the first transport stream fragment at the starting position place of respective streams media data, described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size;
Decode and play the first transport stream fragment receiving;
In the time that described the first transport stream fragment finishes receiving, calculate the length or size remaining time of described stream medium data;
In the remaining time of described stream medium data length or size, select uniformly discrete location point;
At the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.
Preferably, select uniformly discrete location point to comprise:
Take dichotomy to cut apart the length or size remaining time of described stream medium data, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place; Or
With the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
Preferably, described data processing method also comprises:
In the time search operation being detected, determine the new play position point that search operation is specified;
Determine whether described new play position point place has received transport stream fragment;
If described new play position point place has received transport stream fragment, start to decode and play the transport stream fragment having received from described new play position point; And
If described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and start to decode and play the transport stream fragment having received from this location point.
Preferably, described data processing method also comprises:
In the time starting from this location point decode and play the transport stream fragment having received, suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
Preferably, described data processing method also comprises:
When the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point;
In the remaining time of described stream medium data length or size, select uniformly discrete location point;
At the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.
According to another embodiment of the present invention, a kind of electronic equipment is provided, comprising:
Receiving element, in the time receiving enabled instruction, receives the first transport stream fragment at the starting position place of respective streams media data, and described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size;
Broadcast unit, for decoding and playing the first transport stream fragment of reception;
Computing unit, in the time that described the first transport stream fragment finishes receiving, calculates the length or size remaining time of described stream medium data;
Selected cell, for the length or size remaining time at described stream medium data, selects uniformly discrete location point; And
Control unit, for making described receiving element at the location point place of selecting, receives each transport stream fragment with the 3rd time span or size of described stream medium data.
Preferably, described selected cell is further used for:
Take dichotomy to cut apart the length or size remaining time of described stream medium data, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place; Or
With the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
Preferably, described control unit is further used for:
In the time search operation being detected, determine the new play position point that search operation is specified;
Determine whether described new play position point place has received transport stream fragment; And
If described new play position point place has received transport stream fragment, make described broadcast unit start to decode and play the transport stream fragment having received from described new play position point; And
If described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and make broadcast unit start to decode and play the transport stream fragment having received from this location point.
Preferably, described control unit is further used for:
In the time that broadcast unit starts to decode and plays the transport stream fragment having received from this location point, suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
Preferably, described control unit is further used for:
When the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point;
In the remaining time of described stream medium data length or size, make described selected cell select uniformly discrete location point; And
At the location point place of selecting, make described receiving element receive each transport stream fragment with the 3rd time span or size of described stream medium data.
Therefore, according to the streaming medium data processing method of the embodiment of the present invention and electronic equipment, can improve the speed of streaming media on demand search, improve the speed of the rear data buffering of search, make it be similar to local video and play.
Brief description of the drawings
Fig. 1 is that diagram is according to the flow chart of the streaming medium data processing method of first embodiment of the invention;
Fig. 2 is that diagram is according to the schematic diagram of the dichotomy in the streaming medium data processing method of first embodiment of the invention;
Fig. 3 is the flow chart of diagram in the time carrying out search operation; And
Fig. 4 is that diagram is according to the structured flowchart of the electronic equipment of second embodiment of the invention.
Embodiment
Below, various embodiments of the present invention will be described with reference to the drawings.
Fig. 1 is that diagram is according to the flow chart of the streaming medium data processing method 100 of first embodiment of the invention.This streaming medium data processing method 100 is applied in electronic equipment, and the example of such electronic equipment for example comprises panel computer, smart mobile phone, the intelligent television that is connected to network etc.The not specific restriction of such electronic equipment, as long as it has network connecting function and Streaming Media decoding playing function.Be described as example using panel computer in the present embodiment.
This streaming medium data processing method 100 comprises:
Step S101: in the time receiving enabled instruction, receive the first transport stream fragment at the starting position place of respective streams media data, described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size.
In this step, for example play application when user clicks Internet video on panel computer, and select while starting to play certain video, according to this enabled instruction of user, start to start and receive stream medium data corresponding to this video.Now, consider the order of video playback, start to receive the first transport stream fragment from the starting position of stream medium data corresponding to this video.That is to say, start receiving stream media data from the starting position of this video.
As well known to the skilled person, stream medium data, in the time of transmission, is normally divided into multiple transport stream fragments and transmits.For example, suppose that the stream medium data that this video is corresponding is 600M, the size of each transport stream fragment can be divided into 1M.Or the reproduction time of supposing the stream medium data that this video is corresponding is 90 minutes, the time span of each transport stream fragment can be divided into 1 minutes.Certainly also can adopt as required other dividing mode or length.
Consider the continuity of video playback, the time span of supposing the first transport stream fragment receiving from the starting position of stream medium data is that the size of 3 minutes or this first transport stream fragment is 10M.That is to say, after having downloaded the transport stream fragment of 3 minutes length or 10M, the work for the treatment of that just starts subsequent decoding and play.Transport stream fragment of every download just starts decoding and plays else if, may a transport stream fragment decoded finish playing after next transport stream fragment also do not downloaded, cause starting just to play discontinuously, this will affect user's experience.
Certainly, the time span of the first transport stream fragment or size can freely be arranged by user according to actual conditions.For example, in the time that user's wideband condition is very good, the time span of this first transport stream fragment or size can be arranged less, thereby further shorten period of reservation of number.Or, for example, in the time that user's wideband condition is bad, the time span of this first transport stream fragment or size can be arranged larger, thereby ensure the broadcasting continuity of video.
In the present embodiment, by taking stream medium data corresponding to video as 600M, each transport stream clip size is 1M, and the size of the first transport stream fragment is that 10M is that example is described.
Step S102: decode and play the first transport stream fragment receiving.
In this step, after the first transport stream fragment is finishing receiving, just can decoded and broadcasting.Now, the first transport stream fragment has the size of 10M, and user can watch video corresponding to this first transport stream fragment glibly.
Step S103: in the time that described the first transport stream fragment finishes receiving, calculate the length or size remaining time of described stream medium data.
In this step, after the first transport stream fragment finishes receiving, start to calculate the length or size remaining time of stream medium data.Specifically, after having received the first transport stream fragment of 10M, the size of calculating remaining stream medium data is 590M.
Step S104: in the remaining time of described stream medium data length or size, select uniformly discrete location point.
In this step, for example, in the size of the remaining 590M of described stream medium data, select some uniformly discrete location points as pre-download location point.
Step S105: at the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.
In this step, according to location point definite in step S104, for example, light from this position and start to receive each transport stream fragment with 5M size.
That is to say, start pre-download transport stream fragment at each pre-download location point place, thereby make user after dragging search, dragging location point place accordingly and may exist the stream medium data of pre-download, thereby without waiting for the long period causing from newly starting downloading data from dragging location point.That is to say, by predicting multiple pre-download location points, and in a certain size transport stream fragment of the plurality of pre-download location point place pre-download, thereby in the time that user drags search, may drag the transport stream fragment that location point place has downloaded a certain size, therefore can be directly drag location point and start to play the transport stream fragment of having downloaded from this, and do not need to wait for the long period causing from newly starting downloading data from dragging location point, therefore can improve user and drag the speed of playing after search operation.
Select the mode of uniformly discrete location point can have multiple.In one embodiment, for example, can take dichotomy to cut apart the length or size remaining time of described stream medium data, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
Describe in detail and take dichotomy to cut apart the process of described stream medium data below with reference to Fig. 2.As shown in Figure 2, the stream medium data of the remaining 590M size from 11M to 600M, the equinox of first definite this stream medium data as cut-point, that is, determines that 305M place is as cut-point.Then, start download from this 305M and there is the third-largest little transport stream fragment, for example, suppose in the present embodiment this third-largest little 5M of being.Certainly, this third-largest little can be also other value.
When after the transport stream fragment of this 305M download 5M size completes, definite mid point from 11M to 305M and from 310M to two sections of residual stream media datas of 600M is as cut-point again,, determine that 157.5M place and 455M place are as cut-point, then download respectively again the transport stream fragment of 5M size from these two cut-points.By that analogy, after the third-largest little transport stream fragment at each cut-point place has been downloaded, determine that the mid point of remaining every section of stream medium data is as cut-point, download again respectively the third-largest little transport stream fragment.Thereby can determine the third-largest little transport stream fragment of pre-download point and pre-download, for use in future, possible user drags search operation.
In another embodiment, also can be with the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place.Specifically, for example, can carry out the remaining time length or size of even partition from 11M to the stream medium data of 600M with 20 cut-points, then start to download the transport stream fragment of 5M at each cut-point place.
Below with reference to Fig. 3, the operation in the time carrying out search operation is described.Fig. 3 is the flow chart of describing in the time carrying out search operation.
Step S301: in the time search operation being detected, determine the new play position point that search operation is specified.
In this step, if detect that user carries out search operation, as drag the playing progress bar of video, determine that this progress bar is dragged later new play position point.
Step S302: determine whether described new play position point place has received transport stream fragment.
In this step, whether determine at this new play position point place having received transport stream fragment in pre-download process before.That is to say, determine this new play position point place whether pre-download transport stream fragment.
Step S303: if described new play position point place has received transport stream fragment, start to decode and play the transport stream fragment having received from described new play position point.
In this step, if determine at new play position point place and received transport stream fragment, can start to decode and play the transport stream fragment having received from described new play position point.That is to say, if determine that this new play position point place has downloaded transport stream fragment, can directly start to decode and play the transport stream fragment receiving, and the time of waiting for without any need for buffering.
Step S304: if described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and start to decode and play the transport stream fragment having received from this location point.
On the other hand, as previously mentioned, because pre-download location point is according to variety of way prediction, so described new play position point place may not receive transport stream fragment.Now, a kind of available mode is to calculate to put nearest pre-download location point from described new play position, and play position point is jumped to the pre-download location point that received transport stream fragment nearest with described new play position point, and start to decode and play the transport stream fragment having received from this location point.
Particularly, referring again to Fig. 2, as shown in Figure 2, and in the time carrying out search operation to B point, because B point does not receive transport stream by pre-download, thus start to calculate the pre-download location point nearest apart from B point, that is, and the A point shown in Fig. 2.Then play position point is jumped to pre-download location point A, and start to decode and play the transport stream fragment having received from this location point A.
In this way, also can directly start to decode and play the transport stream fragment receiving, and the time of waiting for without any need for buffering.The shortcoming of this mode is that play position point is not accurate searching position point, and is approximate searching position point, that is to say that search precision is not high enough.Advantage is that after search, broadcasting speed is fast, without the time of the buffering that waits for downloads.
In addition, in the time starting from this location point decode and play the transport stream fragment having received, can suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
Specifically, for example, in the time that user carries out search operation and playing progress bar is dragged to 308M place, because according to pre-download before, download the transport stream fragment from 305M to 310M, so can directly decode and play the transport stream fragment having received from 308M.Now, in order to ensure the fluency of video-see, need to guarantee that enough network bandwidth allocation are to current play position point, until downloaded enough transport stream fragments.Now, can suspend the download of the transport stream fragment of other location point, for example, until the transport stream fragment of having downloaded reaches the fourth-largest little, 10M from this 308M location point.Certainly, the fourth-largest little value can freely arrange as required.
Then,, when the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point.Now, for example, because can guarantee the fluency of the video playback of lighting from 308M position, so can recover the download of other location point.
Therefore, can be according to previously described mode, in the remaining time of described stream medium data length or size, select uniformly discrete location point, then at the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.That is to say, after carrying out search operation and playing, with according to the identical mode of previously described mode, carry out the pre-download of residual stream media data.
In another embodiment, also can not reselect uniformly discrete location point, continue pre-download but suspend position from the last time.
It should be noted that in the time carrying out pre-download, need to calculate the current network bandwidth.For example, suppose that the current network bandwidth is 10Mbps/ second, in order to ensure the fluency of the current video of watching, the bandwidth that needs 5Mbps/ second is fixed for the transmission of the transport stream fragment of the current video of watching, and the bandwidth of remaining 5Mbps/ second is for the pre-download of other location point.That is to say, only, in the case of ensureing the fluency of the current video of watching, the unnecessary network bandwidth can be used for carrying out the pre-download of stream medium data.
Be described as an example of the size of downloading transport stream fragment example above, the time span that can certainly play taking stream medium data be downloaded each transport stream fragment as unit.
As mentioned above, by the time carrying out streaming media playing, carry out the pre-download of predicted position point with the unnecessary network bandwidth.Like this, when user is in the time carrying out search operation, because there is the stream medium data of download, so can carry out the broadcasting of stream medium data to play consistent buffer speed with local video near new play position point.
Therefore, according to the streaming medium data processing method of the embodiment of the present invention, can improve the speed of streaming media on demand search, improve the speed of the rear data buffering of search, make it be similar to local video and play.
< the second embodiment >
Below, describe according to the structured flowchart of the electronic equipment 400 of second embodiment of the invention with reference to Fig. 4.The example of electronic equipment 400 for example comprises panel computer, smart mobile phone, the intelligent television that is connected to network etc.The not specific restriction of such electronic equipment, as long as it has network connecting function and Streaming Media decoding playing function.
Comprise according to the electronic equipment 400 of the second embodiment:
Receiving element 401, in the time receiving enabled instruction, receives the first transport stream fragment at the starting position place of respective streams media data, and described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size;
Described selected cell 404 is further used for:
Take dichotomy to cut apart the length or size remaining time of described stream medium data, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place; Or
With the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
In addition, described control unit 405 is further used for:
In the time search operation being detected, determine the new play position point that search operation is specified;
Determine whether described new play position point place has received transport stream fragment; And
If described new play position point place has received transport stream fragment, make described broadcast unit 402 start to decode and play the transport stream fragment having received from described new play position point; And
If described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and make broadcast unit 402 start to decode and play the transport stream fragment having received from this location point.
In addition, described control unit 405 is further used for:
In the time that broadcast unit 401 starts to decode and plays the transport stream fragment having received from this location point, suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
Preferably, described control unit 405 is further used for:
When the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point;
In the remaining time of described stream medium data length or size, make described selected cell 404 select uniformly discrete location point; And
At the location point place of selecting, make described receiving element 4001 receive each transport stream fragment with the 3rd time span or size of described stream medium data.
In addition, the function of each functional unit, corresponding to the various method steps in previously described the first embodiment, is omitted its detailed description at this.
The functional unit that it should be noted that above unit to be only used for realizing specific function and to configure.In fact, each functional unit can be by realizations such as the CPU of electronic equipment, internal memory, hard disk, buses.In addition, each functional unit can suitably interconnect by internal bus etc.
Therefore, according to the electronic equipment of second embodiment of the invention, can improve the speed of streaming media on demand search, improve the speed of the rear data buffering of search, make it be similar to local video and play.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Finally, also it should be noted that, above-mentioned a series of processing not only comprise the processing of carrying out by time series with order described here, and comprise processing parallel or that carry out respectively instead of in chronological order.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, and can certainly all implement by hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Above the present invention is described in detail, has applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a streaming medium data processing method, is applied to electronic equipment, and the method comprises:
In the time receiving enabled instruction, receive the first transport stream fragment at the starting position place of respective streams media data, described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size;
Decode and play the first transport stream fragment receiving;
In the time that described the first transport stream fragment finishes receiving, calculate the length or size remaining time of described stream medium data;
In the remaining time of described stream medium data length or size, select uniformly discrete location point;
At the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.
2. data processing method as claimed in claim 1, wherein select uniformly discrete location point to comprise:
Take dichotomy to cut apart the length or size remaining time of described stream medium data, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place; Or
With the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
3. data processing method as claimed in claim 1, also comprises:
In the time search operation being detected, determine the new play position point that search operation is specified;
Determine whether described new play position point place has received transport stream fragment;
If described new play position point place has received transport stream fragment, start to decode and play the transport stream fragment having received from described new play position point; And
If described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and start to decode and play the transport stream fragment having received from this location point.
4. data processing method as claimed in claim 3, also comprises:
In the time starting from this location point decode and play the transport stream fragment having received, suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
5. data processing method as claimed in claim 4, also comprises:
When the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point;
In the remaining time of described stream medium data length or size, select uniformly discrete location point;
At the location point place of selecting, receive each transport stream fragment with the 3rd time span or size of described stream medium data.
6. an electronic equipment, comprising:
Receiving element, in the time receiving enabled instruction, receives the first transport stream fragment at the starting position place of respective streams media data, and described stream medium data has very first time length or size, and described the first transport stream fragment has the second time span or size;
Broadcast unit, for decoding and playing the first transport stream fragment of reception;
Computing unit, in the time that described the first transport stream fragment finishes receiving, calculates the length or size remaining time of described stream medium data;
Selected cell, for the length or size remaining time at described stream medium data, selects uniformly discrete location point; And
Control unit, for making described receiving element at the location point place of selecting, receives each transport stream fragment with the 3rd time span or size of described stream medium data.
7. electronic equipment as claimed in claim 6, wherein said selected cell is further used for:
Take dichotomy to cut apart the length or size remaining time of described stream medium data, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place; Or
With the length or size remaining time of stream medium data described in the cut-point even partition of predetermined quantity, and make receiving element start to receive the transport stream fragment with the 3rd time span or size at cut-point place.
8. electronic equipment as claimed in claim 6, wherein said control unit be further used for into:
In the time search operation being detected, determine the new play position point that search operation is specified;
Determine whether described new play position point place has received transport stream fragment; And
If described new play position point place has received transport stream fragment, make described broadcast unit start to decode and play the transport stream fragment having received from described new play position point; And
If described new play position point place does not receive transport stream fragment, play position point is jumped to the location point that received transport stream fragment nearest with described new play position point, and make broadcast unit start to decode and play the transport stream fragment having received from this location point.
9. electronic equipment as claimed in claim 8, wherein said control unit is further used for:
In the time that broadcast unit starts to decode and plays the transport stream fragment having received from this location point, suspend the download of the transport stream fragment of other location point, until the transport stream fragment of having downloaded reaches the 4th time span or size from this location point.
10. electronic equipment as claimed in claim 9, wherein said control unit be further used for into:
When the transport stream fragment of having downloaded reaches the 4th time span or when size, calculate the length or size remaining time of described stream medium data from this location point;
In the remaining time of described stream medium data length or size, make described selected cell select uniformly discrete location point; And
At the location point place of selecting, make described receiving element receive each transport stream fragment with the 3rd time span or size of described stream medium data.
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| WO2015074623A1 (en) * | 2013-11-25 | 2015-05-28 | 乐视致新电子科技（天津）有限公司 | Video playback method, apparatus and intelligent terminal |
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