CN105847897A - Method and device of providing and processing video downloading - Google Patents
Method and device of providing and processing video downloading Download PDFInfo
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- CN105847897A CN105847897A CN201610201652.0A CN201610201652A CN105847897A CN 105847897 A CN105847897 A CN 105847897A CN 201610201652 A CN201610201652 A CN 201610201652A CN 105847897 A CN105847897 A CN 105847897A
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000012634 fragment Substances 0.000 claims abstract description 132
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a method and device of providing and processing video downloading. The method comprises: providing a playing list for a terminal, the playing list including time stamp description information and audio and video fragment network addresses; after receiving the playing list provided by a network side to the terminal, determining the time stamp description information and audio and video fragments to be downloaded, and sending a downloading request carrying network addresses to the network side according to the network addresses in the playing list, providing the time stamp description information and audio and video fragments to the terminal on the network side; and performing time stamp synchronous work according to downloaded audio and video fragments and corresponding time stamp description information. The method and device can reduce redundancy bytes in an HLS protocol in transmitting MPEG2-TS fragments, thereby saving bandwidths.
Description
Technical field
The present embodiments relate to video technique field, a kind of offer is be provided and processes what video was downloaded
Method and apparatus.
Background technology
Video on demand/live broadcast system mainly by film source storehouse system, stream media service system, shadow cabinet system,
Transmission and exchange network, subscriber terminal equipment Set Top Box, and television set or personal computer form.
When video on demand/live broadcast, when user sends and watches request, stream media service system will
According to solicited message, will be stored in being retrieved in film source storehouse or just at live programme information, to regard
Frequency and audio stream file, be sent to user terminal by high-speed transfer network.
During program request/live, widely used HTTP Live Streaming, Apple company
Dynamic code rate adaptive technique increasingly favored by Internet video supplier.
But the deficiency of existing HTTP Live Streaming technology is: the data of transmission include reality
Body is a play list file and some MPEG2-TS (MPEG:Moving Picture Experts
Group, dynamic image expert group；TS:Transport Stream, transmission stream).Video file sheet
Section,.But the information comprising many redundancies in MPEG2-TS form is not necessarily all necessary, it is clear that
These information will take the network bandwidth, causes waste.
Summary of the invention
Embodiments provide a kind of method and apparatus providing and processing video to download, in order to solve
The problem that in prior art, during transmitting video files, occupied bandwidth is bigger.
The embodiment of the present invention provides a kind of method providing video, including:
Provide the terminal with playlist, described playlist carries download VPTS timestamp and describes letter
Breath, APTS timestamp describe information, and video data encoder fragment, the net of coded audio data fragment
Network address, wherein, a VPTS timestamp describes information and matches with a video data encoder fragment,
One APTS timestamp describes information and matches with a coded audio data fragment, an audio frequency and video joint
Mesh is by some video data encoder fragments, coded audio data fragment, and several APTS timestamps are retouched
State information and VPTS timestamp describes information composition；
The download request carrying the network address sent according to terminal provides the terminal with VPTS timestamp and describes
Information, APTS timestamp describe information, video data encoder fragment and coded audio data fragment.
The embodiment of the present invention provides a kind of and processes the method that video is downloaded, including:
Receive the playlist that network side provides the terminal with, described playlist carries download VPTS
Timestamp describes information, APTS timestamp describes information, and video data encoder fragment, audio coding
The network address of data slot, wherein, a VPTS timestamp describes information and a Video coding number
Matching according to fragment, an APTS timestamp describes information and matches with a coded audio data fragment,
One audio/video program by some video data encoder fragments, coded audio data fragment, and several
APTS timestamp describes information and VPTS timestamp describes information composition；
Determine that the required VPTS timestamp downloaded describes information, APTS timestamp describes information, video is compiled
Code data slot and coded audio data fragment；
Carry the download request of the network address to network side transmission according to the network address carried in playlist
After, the VPTS timestamp that downloading network side provides describes information, APTS timestamp describes information, video
Coded data fragment and coded audio data fragment；
To the video data encoder fragment downloaded, coded audio data fragment, and corresponding VPTS
Timestamp describes information, APTS timestamp describes information and carries out the synchronous working of timestamp.
The embodiment of the present invention provides a kind of equipment providing video, including:
Address provides module, is used for providing the terminal with playlist, carries download in described playlist
VPTS timestamp describes information, APTS timestamp describes information, and video data encoder fragment, sound
Frequently the network address of coded data fragment, wherein, a VPTS timestamp describes information and a video
Coded data fragment matches, and an APTS timestamp describes information and a coded audio data fragment
Match, an audio/video program by some video data encoder fragments, coded audio data fragment, and
Several APTS timestamps describe information and VPTS timestamp describes information composition；
Download and module is provided, carry to terminal for the download request carrying the network address sent according to terminal
For VPTS timestamp describes information, APTS timestamp describes information, video data encoder fragment and sound
Frequently coded data fragment.
The embodiment of the present invention provides a kind of and processes the equipment that video is downloaded, including:
Receiver module, for receiving the playlist that network side provides the terminal with, takes in described playlist
With downloading, VPTS timestamp describes information, APTS timestamp describes information, and video data encoder
Fragment, the network address of coded audio data fragment, wherein, VPTS timestamp describe information with
One video data encoder fragment matches, and an APTS timestamp describes information and an audio coding
Data slot matches, and an audio/video program is by some video data encoder fragments, coded audio data
Fragment, and several APTS timestamps describe information and VPTS timestamp describes information composition；
Determine module, for determining that the VPTS timestamp of required download describes information, APTS timestamp is retouched
State information, video data encoder fragment and coded audio data fragment；
Request module, for carrying network according to the network address carried in playlist to network side transmission
After the download request of address, the VPTS timestamp that downloading network side provides describes information, APTS timestamp
Description information, video data encoder fragment and coded audio data fragment；
Download module, is used for the video data encoder fragment downloaded, coded audio data fragment, and with
The VPTS timestamp of correspondence information is described, APTS timestamp describes information and carries out the synchronization work of timestamp
Make.
In a kind of method and apparatus providing and processing video to download that the embodiment of the present invention provides, due to
Provide video scheme in, it is provided that play list file with carry download VPTS timestamp retouch
State information, APTS timestamp describes information, and video data encoder fragment, coded audio data fragment
The network address, wherein, a VPTS timestamp describes information and a video data encoder fragment phase
Coupling, an APTS timestamp describes information and matches with a coded audio data fragment, a sound
Video frequency program is by some video data encoder fragments, coded audio data fragment, and during several APTS
Between stab description information and VPTS timestamp and describe information composition.That is, owing to video file is being split
After video segment, before transmission, respectively by coded audio data fragment/video data encoder fragment/Audio
PTS timestamp describes information/Video PTS timestamp and describes the network address write playlist of information,
And be transmitted respectively when downloading, thus just can download to the broadcasting number that decoder needs according to address
According to and information, and any redundancy bytes data need not be transmitted, therefore, it is possible to while completing playing task,
Save taking of bandwidth.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 provides the method implementing procedure schematic diagram of video for inventive network side；
Fig. 2 is the method implementing procedure schematic diagram that end side of the present invention processes that video is downloaded；
Fig. 3 provides the device structure schematic diagram of video for the present invention；
Fig. 4 is the device structure schematic diagram that the present invention processes that video is downloaded.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Inventor note that during invention
Existing, in widely used HLS streaming media transmission technique, the video file physical format of transmission
Big MPEG2-TS form, (TS is the letter of MPEG2-TS with the TS that connects one by one for this kind of form
Claim), the header data partial bytes of each TS bag is the unwanted redundant data of decoder.Each TS
Bag exists again PES (Packetized Elementary Streams, the primary flow of packet) bag, each
In header data in PES bag, except PTS (PlayTime Stamp, Presentation Time Stamp) timestamp is retouched
Stating information, remaining is the unwanted redundant information data of decoder, such as TS header data, PES
Header data etc., these data, for decoder, are unconcerned.When decoder is only concerned PTS
Between stab description information.So, the most only need to add transmission PTS timestamp and describe information and just can reach
Save the purpose of the network bandwidth.
Based on this, the embodiment of the present invention provides a kind of scheme providing and processing video to download, in order to
During transmission audio/video coding file, individually transmit APTS (Audio PTS, audio frequency PTS)
Timestamp describes information, VPTS (Video PTS, video PTS) timestamp describes information, reduces
The transmission of redundancy.Further, play out owing to scheme have employed playlist, also just have
The code check self adaptation advantage that the HLS protocol that standby same use playlist plays out is possessed.
In declarative procedure, enforcement from terminal with network side respectively is illustrated, wherein network side
Audio coding decoding fragment, video data encoder fragment and timestamp is provided to describe the net of information explanation
The process of network address, end side will explanation coded audio data fragment, video data encoder fragment and
Timestamp describes the downloading process of information, the most also coordinates the example implemented with preferably by providing the two
Understand the enforcement of the scheme provided in the embodiment of the present invention.Such explanation mode is not meant to the two
Enforcement must be coordinated or must individually implement, it practice, when terminal is performed separately with network side,
It the most each solves the problem of end side, network side, and when the two is used in combination, can obtain preferably
Technique effect.
Fig. 1 provides the method implementing procedure schematic diagram of video for network side, as it can be seen, may include that
Step 101, provide the terminal with playlist, described playlist carries download VPTS
Timestamp describes information, APTS timestamp describes information, and video data encoder fragment, audio frequency
The network address of coded data fragment, wherein, a VPTS timestamp describes information and a video
Coded data fragment matches, and an APTS timestamp describes information and a coded audio data sheet
Section match, an audio/video program by some video data encoder fragments, coded audio data fragment,
And several APTS timestamps describe information and VPTS timestamp describes information composition；
Step 102, according to terminal send carry the network address download request provide the terminal with VPTS
Timestamp describes information, APTS timestamp describes information, video data encoder fragment and audio frequency are compiled
Code data slot.
Fig. 2 is the method implementing procedure schematic diagram that end side processes that video is downloaded, as it can be seen, permissible
Including:
The playlist that step 201, reception network side provide the terminal with, carries in described playlist
VPTS timestamp describes information, APTS timestamp describes information download, and Video coding number
According to fragment, the network address of coded audio data fragment, wherein, a VPTS timestamp describes letter
Breath matches with a video data encoder fragment, and an APTS timestamp describes information and a sound
Frequently coded data fragment matches, and an audio/video program is by some video data encoder fragments, audio frequency
Coded data fragment, and several APTS timestamps describe information and VPTS timestamp describes information
Composition；
Step 202, determine that the VPTS timestamp of required download describes information, APTS timestamp is retouched
State information, video data encoder fragment and coded audio data fragment；
Step 203, according to the network address carried in playlist to network side send carry the network address
Download request after, download network side provide VPTS timestamp describe information, APTS timestamp describe
Information, video data encoder fragment and coded audio data fragment；
Step 204, the video data encoder fragment to downloading, coded audio data fragment, and the most right
The VPTS timestamp answered describes information, APTS timestamp describes information and carries out the synchronous working of timestamp.
In enforcement, the broadcasting of transmission when played column tableau format can be HLS protocol playing audio/video programs
Row tableau format.
In being embodied as, playlist can be by HLS (HTTP Live Streaming, Apple
Dynamic code rate adaptive technique) agreement playing video file time transmission playlist.
Illustrate with the enforcement under HLS protocol in detail below, as a example by HLS protocol, be because HLS
Being the agreement for real-time streaming transport defined by Apple company, HLS realizes based on http protocol,
Transferring content includes two parts, and one is that M3U8 describes file, and two is TS media file.On the one hand
Such structure comparison easily realizes the technical scheme provided in the embodiment of the present invention, on the other hand be because of
It is the most the more commonly used, the most representative technology for HLS protocol, so here with HLS
As a example by agreement；But, the technical scheme that the embodiment of the present invention provides is, is to be divided by video file
After being segmented into video segment, before transmission, respectively by coded audio data fragment, video data encoder sheet
Section, Audio PTS timestamp information is described, Video PTS timestamp describe information url network ground
Location write playlist, and be transmitted respectively.In theory, by other agreement or
Other means or the corresponding technical scheme of special configuration realize also possible, therefore, with
It is only used for as a example by HLS protocol instructing the most how those skilled in the art implement the present invention, but it is not intended that
It is only capable of using HLS protocol to realize, implementation process can determine in conjunction with putting into practice needs accordingly
Technological means.
The most first HLS is briefly described.
HLS, Http Live Streaming is the association for real-time streaming transport defined by Apple company
View, HLS realizes based on http protocol, and transferring content includes two parts, and one is playlist M3U8
Describing file, two is TS media file.
Below this programme is illustrated:
1, play list file:
By text mode, media file is described, is made up of a series of labels.Specifically to H.264
The ID of sample and AAC sample, duration, url download address information, the APTS/VPTS time
Stamp information is described.
#EXTM3U
#EXT-X-TARGETDURATION:5
#EXTINF:5,
http://xxxx/0.h264
http://xxxx/0.aac
http://xxxx/0.vpts
http://xxxx/0.apts
#EXTINF:5,
http://xxxx/1.h264
http://xxxx/1.aac
http://xxxx/1.vpts
http://xxxx/0.apts
#EXTM3U: each M3U8 file the first row must be this tag.
#EXT-X-TARGETDURATION: specify maximum media segment time span (second),
The time span specified in #EXTINF is necessarily less than or equal to this maximum.This value can only occur one
Secondary.
#EXTINF: describe the duration of audio/video coding file.It is audio/video coding media file below
The url network address, such as http://xxxx/1.h264 and http://xxxx/1.aac.Followed by for
The url network address of VPTS/APTS timestamp descriptor file, such as: http://xxxx/1.vpts
And http://xxxx/0.apts
2, audio/video coding data file
Audio/video coding data file is divided into video H.264 data file and AAC (Advanced
Audio Coding, Advanced Audio Coding) data file, both send into decoder and can carry out individually
Decoding, but need APTS/VPTS timestamp to describe the work that information carries out synchronizing.
Audio/video coding data file is same as the MPEG2-TS file in HLS simultaneously, enters
It is supplied to terminal after row section, identifies the duration of section with #EXTINF.
3, APTS/VPTS timestamp descriptor file.
Pts timestamp value included in timestamp descriptor file, can be with 16 binary data sides
Formula arranges, if having 4 frames in the H.264 coded data clip file of correspondence, then VPTS file
Form can as follows (pts value should be according to actual pts value, following simply citing):
0x00000001 0x00000002 0x00000003 0x00000004
In like manner, if AAC coded data clip file has 2 frames, then the form of APTS can
With following (pts value should be according to actual pts value, following simply citing):
0x00000001 0x00000002
In enforcement, can further include in terminal:
H.264 the MPEG-TS file format used during HLS protocol playing audio/video programs is changed into
The file of sample and AAC sample form.
In being embodied as, playlist is by the played column form of transmission during HLS protocol playing video file
Formula, is simultaneously introduced APTS/VPTS timestamp and describes information, and during by HLS protocol playing video file
The MPEG-TS used changes H.264 sample and AAC sample into.
Accordingly, can further include at network side:
To change by the network address of the MPEG-TS file used during HLS protocol playing audio/video programs
The network address for H.264 sample and AAC sample file.
In being embodied as, playlist is by the playlist of transmission during HLS protocol playing video file,
Introduce APTS/VPTS timestamp and describe the network address of information, and by HLS protocol playing video file
Time the network address of MPEG-TS that uses change the url network of H.264 sample and AAC sample into
Address.
Concrete, the video data encoder clip file downloaded to is resolved, then takes each
H.264 the PTS timestamp of sample (frame data in Video coding clip file) describes information,
Being resolved by the H.264 Video coding file downloaded to, at extraction, each is H.264 the most simultaneously
The coded data of sample.PTS timestamp is described information and coded data is given at decoder
Reason.The coded audio data clip file downloaded to is resolved simultaneously, then take each AAC
The PTS timestamp of sample (frame data in audio coding clip file) describes information, then same
Time the AAC Video coding file downloaded to is resolved, extract the volume of each AAC sample
Code data.PTS timestamp is described information and coded data is given decoder and processed.By compiling
I.e. can play except the audio/video program needed after code device.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of provide the equipment of video, one
Plant and process the equipment that video is downloaded, owing to these equipment solves the principle of problem and a kind of side providing video
Method, a kind of process video download method similar, therefore the enforcement of these equipment may refer to the reality of method
Execute, repeat no more in place of repetition.
Fig. 3 is for providing the device structure schematic diagram of video, as it can be seen, may include that
Address provides module 301, is used for providing the terminal with playlist, carries in described playlist
VPTS timestamp describes information, APTS timestamp describes information in download, and video data encoder fragment,
The network address of coded audio data fragment, wherein, a VPTS timestamp describes information and regards with one
Frequently coded data fragment matches, and an APTS timestamp describes information and a coded audio data sheet
Section match, an audio/video program by some video data encoder fragments, coded audio data fragment,
And several APTS timestamps describe information and VPTS timestamp describes information composition；
Download and module 302 is provided, ask to end for the download carrying the network address sent according to terminal
End provide VPTS timestamp describes information, APTS timestamp describes information, video data encoder fragment with
And coded audio data fragment.
In enforcement, address provides module can also be further used for providing the terminal with HLS protocol broadcasting sound and regards
Frequently the tabular described playlist of played column of transmission during program.
In enforcement, when download provides module can also be further used for HLS protocol playing audio/video programs
The MPEG-TS file format used changes the file of H.264 sample and AAC sample form into.
Fig. 4 is to process the device structure schematic diagram that video is downloaded, as it can be seen, may include that
Receiver module 401, for receiving the playlist that network side provides the terminal with, described playlist
In carry download VPTS timestamp describes information, APTS timestamp describes information, and Video coding
Data slot, the network address of coded audio data fragment, wherein, a VPTS timestamp describes letter
Breath matches with a video data encoder fragment, and an APTS timestamp describes information and an audio frequency
Coded data fragment matches, and an audio/video program is by some video data encoder fragments, audio coding
Data slot, and several APTS timestamps describe information and VPTS timestamp describes information composition；
Determine module 402, for determining that the VPTS timestamp of required download describes information, APTS time
Stamp description information, video data encoder fragment and coded audio data fragment；
Request module 403, for carrying to network side transmission according to the network address carried in playlist
After the download request of the network address, the VPTS timestamp that downloading network side provides describes information, APTS
Timestamp describes information, video data encoder fragment and coded audio data fragment；
Download module 404, is used for the video data encoder fragment downloaded, coded audio data fragment,
And corresponding VPTS timestamp describes information, APTS timestamp describes information and carries out the same of timestamp
Step work.
In enforcement, receiver module can also be further used for receiving the HLS protocol that network side provides the terminal with
The tabular described playlist of played column of transmission during playing audio/video programs.
In enforcement, request module can also be further used for making during by HLS protocol playing audio/video programs
The network address of MPEG-TS file change the network of H.264 sample and AAC sample file into
Address.
As seen from the above-described embodiment, in the scheme that the embodiment of the present invention provides, provide video at network side
Time, provide the terminal with one and describe information with VPTS timestamp, with a Video coding fragment (H.264
Samples) matching, an APTS timestamp describes information, with an audio coding (AAC samples)
The play list file that fragment matches.One audio/video program is by some audio/video coding fragments and some
Individual APTS/VPTS timestamp describes fragment composition.When end side downloads audio frequency and video, under network side sends
Carry request, request of downloading for for the terminal required audio frequency and video fragment downloaded of instruction network side and
APTS/VPTS timestamp describes information.After terminal downloads describes information to VPTS/APTS timestamp,
Audio/video coding data are worked asynchronously, sends into decoder and be decoded playing.
The technical scheme provided in the embodiment of the present invention is provided, can be similar in HLS protocol with derived class
The adaptive advantage of code check, can reduce in HLS protocol again simultaneously, transmit MPEG2-TS sheet
The redundancy bytes being clipped in during section, thus reach to save the purpose of bandwidth.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. the method that video is provided, it is characterised in that including:
Provide the terminal with playlist, described playlist carries download VPTS timestamp and describes letter
Breath, APTS timestamp describe information, and video data encoder fragment, the net of coded audio data fragment
Network address, wherein, a VPTS timestamp describes information and matches with a video data encoder fragment,
One APTS timestamp describes information and matches with a coded audio data fragment, an audio frequency and video joint
Mesh is by some video data encoder fragments, coded audio data fragment, and several APTS timestamps are retouched
State information and VPTS timestamp describes information composition；
The download request carrying the network address sent according to terminal provides the terminal with VPTS timestamp and describes
Information, APTS timestamp describe information, video data encoder fragment and coded audio data fragment.
Method the most according to claim 1, it is characterised in that described played column tableau format is
The played column tableau format of transmission during HLS protocol playing audio/video programs.
Method the most according to claim 2, it is characterised in that farther include:
H.264 the MPEG-TS file format used during HLS protocol playing audio/video programs is changed into
The file of sample and AAC sample form.
4. one kind processes the method that video is downloaded, it is characterised in that including:
Receive the playlist that network side provides the terminal with, described playlist carries download VPTS
Timestamp describes information, APTS timestamp describes information, and video data encoder fragment, audio coding
The network address of data slot, wherein, a VPTS timestamp describes information and a Video coding number
Matching according to fragment, an APTS timestamp describes information and matches with a coded audio data fragment,
One audio/video program by some video data encoder fragments, coded audio data fragment, and several
APTS timestamp describes information and VPTS timestamp describes information composition；
Determine that the required VPTS timestamp downloaded describes information, APTS timestamp describes information, video is compiled
Code data slot and coded audio data fragment；
Carry the download request of the network address to network side transmission according to the network address carried in playlist
After, the VPTS timestamp that downloading network side provides describes information, APTS timestamp describes information, video
Coded data fragment and coded audio data fragment；
To the video data encoder fragment downloaded, coded audio data fragment, and corresponding VPTS
Timestamp describes information, APTS timestamp describes information and carries out the synchronous working of timestamp.
Method the most according to claim 4, it is characterised in that described played column tableau format is
The played column tableau format of transmission during HLS protocol playing audio/video programs.
Method the most according to claim 5, it is characterised in that farther include:
To change into by the network address of the MPEG-TS file used during HLS protocol playing audio/video programs
H.264sample with the network address of AAC sample file.
7. the equipment that video is provided, it is characterised in that including:
Address provides module, is used for providing the terminal with playlist, carries download in described playlist
VPTS timestamp describes information, APTS timestamp describes information, and video data encoder fragment, sound
Frequently the network address of coded data fragment, wherein, a VPTS timestamp describes information and a video
Coded data fragment matches, and an APTS timestamp describes information and a coded audio data fragment
Match, an audio/video program by some video data encoder fragments, coded audio data fragment, and
Several APTS timestamps describe information and VPTS timestamp describes information composition；
Download and module is provided, carry to terminal for the download request carrying the network address sent according to terminal
For VPTS timestamp describes information, APTS timestamp describes information, video data encoder fragment and sound
Frequently coded data fragment.
Equipment the most according to claim 7, it is characterised in that address provides module to be further used for
The tabular described played column of played column of transmission when providing the terminal with HLS protocol playing audio/video programs
Table.
Equipment the most according to claim 8, it is characterised in that download and provide module to be further used for
H.264sample the MPEG-TS file format used during HLS protocol playing audio/video programs is changed into
File with AAC sample form.
10. one kind processes the equipment that video is downloaded, it is characterised in that including:
Receiver module, for receiving the playlist that network side provides the terminal with, takes in described playlist
With downloading, VPTS timestamp describes information, APTS timestamp describes information, and video data encoder
Fragment, the network address of coded audio data fragment, wherein, VPTS timestamp describe information with
One video data encoder fragment matches, and an APTS timestamp describes information and an audio coding
Data slot matches, and an audio/video program is by some video data encoder fragments, coded audio data
Fragment, and several APTS timestamps describe information and VPTS timestamp describes information composition；
Determine module, for determining that the VPTS timestamp of required download describes information, APTS timestamp is retouched
State information, video data encoder fragment and coded audio data fragment；
Request module, for carrying network according to the network address carried in playlist to network side transmission
After the download request of address, the VPTS timestamp that downloading network side provides describes information, APTS timestamp
Description information, video data encoder fragment and coded audio data fragment；
Download module, is used for the video data encoder fragment downloaded, coded audio data fragment, and with
The VPTS timestamp of correspondence information is described, APTS timestamp describes information and carries out the synchronization work of timestamp
Make.
11. equipment according to claim 10, it is characterised in that receiver module is further used for connecing
The tabular institute of played column of transmission during the HLS protocol playing audio/video programs that receipts network side provides the terminal with
State playlist.
12. equipment according to claim 11, it is characterised in that request module be further used for by
Change into H.264 by the network address of the MPEG-TS file used during HLS protocol playing audio/video programs
The network address of sample and AAC sample file.
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| CN201610201652.0A CN105847897A (en) | 2016-03-31 | 2016-03-31 | Method and device of providing and processing video downloading |
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| CN201610201652.0A CN105847897A (en) | 2016-03-31 | 2016-03-31 | Method and device of providing and processing video downloading |
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| CN201610201652.0A Pending CN105847897A (en) | 2016-03-31 | 2016-03-31 | Method and device of providing and processing video downloading |
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