CN103686336B - Video playing control method and device - Google Patents
Video playing control method and device Download PDFInfo
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- CN103686336B CN103686336B CN201310705492.XA CN201310705492A CN103686336B CN 103686336 B CN103686336 B CN 103686336B CN 201310705492 A CN201310705492 A CN 201310705492A CN 103686336 B CN103686336 B CN 103686336B
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Abstract
The invention is suitable for the technical field of videos, and provides a video playing control method and device. The video playing control method includes the steps of receiving television signals sent by a server, wherein a standard definition video and a high definition video of a same television program are simultaneously transmitted in the television signals; receiving a program mapping table, sent by the server, of the television program, wherein the program mapping table comprises a first identifier for identifying the standard definition video of the television program and a second identifier for identifying the high definition video of the television program; when an audio-video terminal has the playing qualification for the high definition video of the television program, modifying the program mapping table to be characterized through the second identifier, and sending the television signals and the modified program mapping table to the audio-video terminal to enable the audio-video terminal to extract and play the high definition video of the television program. According to the video playing control method and device, the use rate of channel resources for playing the standard definition video and the high definition video and the playing control flexibility are greatly improved.
Description
Technical field
The invention belongs to video technique field, more particularly to a kind of control method for playing back and device of video.
Background technology
With developing rapidly for digital television techniques, at present, digital audio/video terminal is from simple SD audio frequency and video
Terminal develops into the audio-video terminal with the Premium Features such as high definition, two-way.With the improvement of people's living standards, people are to electricity
Depending on there is higher requirement, increasing family is mounted with HDTV and high resolution audio and video terminal.But, still there is many families
Front yard uses Standard Definition Television and SD audio-video terminal.Therefore, television operator needs for same program to be divided into SD and high definition two
Set is simultaneously separately transmitted, such as CCTV-1, CCTV-1HD, channel resource is so not only wasted, while being likely to that SD sound can be caused
Video terminal searches out high-definition program, causes the SD audio-video terminal cannot normal work.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of control method for playing back of video, it is intended to solves existing SD and regards
Frequency is low with the channel resource utilization rate of the broadcasting of HD video, the broadcasting of SD video and HD video selects inflexible asking
Topic.
The embodiment of the present invention is achieved in that a kind of control method for playing back of video, including：
The TV signal that the reception server sends, the SD of the same TV programme of simultaneous transmission is regarded in the TV signal
Frequency and HD video；
Receive the Program Map Table of the TV programme that the server sends, the Program Map Table include for
Identify first identifier and for identifying the HD video of the TV programme second of the SD video of the TV programme
Identifier, and the Program Map Table characterizes with first identifier；
Judge whether audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme；
When the audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme, by the program map
Table is revised as being characterized with second identifier；
The TV signal and the amended Program Map Table are sent to the audio-video terminal, so that the sound is regarded
Second identifier of the frequency terminal in the Program Map Table, extracts the TV programme from the TV signal
HD video is simultaneously played.
The another object of the embodiment of the present invention is to provide a kind of control method for playing back of video, including：
Increase the second identifier, first mark in the Program Map Table of the TV programme characterized by the first identifier
The SD video for identifying the TV programme is accorded with, second identifier is used to identify the high definition of the TV programme and regards
Frequently；
The Program Map Table and TV signal are sent to general-purpose interface device, simultaneous transmission is same in the TV signal
The SD video of one TV programme and HD video, with the broadcasting of the HD video for possessing the TV programme when audio-video terminal
During qualification, the general-purpose interface device is revised as the Program Map Table to be characterized with second identifier so that the sound
Second identifier of the video terminal in the Program Map Table, extracts the TV programme from the TV signal
HD video and play.
The another object of the embodiment of the present invention is to provide a kind of broadcast control device of video, including：
SD video and HD video receiver module, for the TV signal that the reception server sends, the TV signal
The SD video and HD video of the same TV programme of middle simultaneous transmission；
Program Map Table receiver module, for receiving the Program Map Table of the TV programme that the server sends,
The Program Map Table includes the first identifier for identifying the SD video of the TV programme and described for identifying
Second identifier of the HD video of TV programme, and the Program Map Table characterizes with first identifier；
HD video plays qualification judge module, for judging whether audio-video terminal possesses the high definition of the TV programme
The broadcasting qualification of video；
Program Map Table modified module, the HD video for possessing the TV programme when the audio-video terminal is broadcast
When putting qualification, the Program Map Table is revised as to be characterized with second identifier；
Sending module, for sending the TV signal and the amended program map to the audio-video terminal
Table, so that second identifier of the audio-video terminal in the Program Map Table, carries from the TV signal
Take the HD video of the TV programme and play.
The another object of the embodiment of the present invention is to provide a kind of broadcast control device of video, including：
Second identifier increases module, for increasing in the Program Map Table of the TV programme characterized by the first identifier
Second identifier, first identifier is used to identify the SD video of the TV programme, and second identifier is used to mark
Know the HD video of the TV programme；
Program Map Table and TV signal sending module, for sending the Program Map Table and electricity to general-purpose interface device
Depending on signal, the SD video and HD video of the same TV programme of simultaneous transmission in the TV signal, with when audio frequency and video end
During the broadcasting qualification of the HD video that end possesses the TV programme, the general-purpose interface device changes the Program Map Table
It is to be characterized with second identifier so that second mark of the audio-video terminal in the Program Map Table
Symbol, the HD video of the TV programme is extracted from the TV signal and is played.
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Description of the drawings
Fig. 1 is the system block diagram of the broadcasting control system of video provided in an embodiment of the present invention；
Fig. 2 is the flowchart of the control method for playing back of video provided in an embodiment of the present invention；
Fig. 3 is the flowchart of the control method for playing back of the video that another embodiment of the present invention is provided；
Fig. 4 is the structured flowchart of the broadcast control device of video provided in an embodiment of the present invention；
Fig. 5 is the structured flowchart of the broadcast control device of the video that another embodiment of the present invention is provided.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Fig. 1 shows the system block diagram of the broadcasting control system of video provided in an embodiment of the present invention, for convenience of description,
Illustrate only part related to the present embodiment.
With reference to Fig. 1, the system includes server 11, audio-video terminal 12 and general-purpose interface device 13, and server 11 is in electricity
Depending on the SD video and HD video of the same TV programme of simultaneous transmission in signal, and use in the Program Map Table of TV programme
Different identifiers plays the program distinguishing the SD video and HD video of same TV programme in audio-video terminal 12
When, by general-purpose interface device 13 judge audio-video terminal 12 whether possess the broadcasting qualification of the HD video of the TV programme come
Judge to play SD video or HD video, so as to substantially increase the channel resource profit that SD video and HD video are played
The flexibility controlled with the broadcasting of rate, and SD video and HD video.Wherein, for general-purpose interface device 13 and service
The related realization principle of device 11 and structure, will be described in detail in subsequent embodiment, and this is no longer going to repeat them.
In embodiments of the present invention, audio-video terminal can be Set Top Box, intelligent television, panel computer, notebook computer
Deng being not limited thereto.
In embodiments of the present invention, general-purpose interface device 13 can be CI（Common Interface, general-purpose interface）Dress
Put or CI+ devices, be not limited thereto.
Fig. 2 shows the flowchart of the control method for playing back of video provided in an embodiment of the present invention, with reference to Fig. 2：
In step s 201, the TV signal that the reception server sends, the same electricity of simultaneous transmission in the TV signal
Depending on the SD video and HD video of program.
In embodiments of the present invention, general-purpose interface device receives the instruction of the broadcasting TV programme that audio-video terminal is sent,
And the instruction that audio-video terminal plays TV programme is sent to server.Server plays TV programme according to audio-video terminal
Instruction return TV signal, general-purpose interface device the reception server send TV signal.
Here, server transmits the SD video of same program and HD video in same channel, relative to biography
The SD video and HD video that same program is transmitted in two channels of system, the embodiment of the present invention saves channel resource.
In step S202, the Program Map Table of the TV programme that the server sends is received, the program reflects
Firing table includes the first identifier for identifying the SD video of the TV programme and for identifying the TV programme
Second identifier of HD video, and the Program Map Table characterizes with first identifier.
As one embodiment of the present of invention, Program Map Table of the server in TV programme（PMT, Program Map
Table）The middle video identifier by SD video is set to the first identifier PID_1, and the video identifier of HD video is set to
Second identifier PID_2.It should be noted that video identifier is unique identifier of the vision signal in signal bit stream, because
This, by video identifier vision signal can be uniquely determined.
Used as one embodiment of the present of invention, the program of the TV programme that the server that general-purpose interface device is received sends reflects
In firing table, the Program Map Table of TV programme is characterized with the first identifier, that is to say, that in the Program Map Table of TV programme
Video identifier is defaulted as the first identifier PID_1, that is to say, that when audio-video terminal is switched to the corresponding channel of TV programme
When, the SD video of TV programme is played automatically.
Therefore, for it there is no the audio-video terminal of HD video playing function, the height of TV programme can not be received
The interference of clear video, the SD video of TV programme is watched in the very first time.That is, the HD video pair of TV programme
It is transparent in not having for the audio-video terminal of HD video playing function, the sound not with HD video playing function is regarded
The HD video of frequency terminal automatic fitration TV programme, it is to avoid audio-video terminal normal work or cannot break down.
In step S203, judge whether audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme.
Further, judge whether audio-video terminal possesses broadcasting for the HD video of the TV programme described in step S203
Putting qualification includes：
Judge whether the audio-video terminal has HD video playing function；
If the audio-video terminal does not have HD video playing function, the audio-video terminal does not possess the TV
The broadcasting qualification of the HD video of program；
If the audio-video terminal has HD video playing function, the audio-video terminal possesses the TV programme
HD video broadcasting qualification.
Used as one embodiment of the present of invention, the audio-video terminal with HD video playing function possesses TV programme
The broadcasting qualification of HD video.
Further, judge whether audio-video terminal possesses broadcasting for the HD video of the TV programme described in step S203
Putting qualification includes：
Judge whether the audio-video terminal pays to the HD video of TV programme described in present period；
If the audio-video terminal is paid to the HD video of TV programme described in present period, the audio frequency and video end
End possesses the broadcasting qualification of the HD video of the TV programme；
If the audio-video terminal is not paid to the HD video of TV programme described in present period, the audio frequency and video end
End does not possess the broadcasting qualification of the HD video of the TV programme.
Further, it is described if the audio-video terminal is not paid to the HD video of TV programme described in present period
Method also includes：
The price of the HD video of TV programme described in parsing present period simultaneously shows user, receives the user and sees
After seeing the request of HD video of TV programme described in present period, if successfully deducting fees from the remaining sum that prestores of the user,
The audio-video terminal possesses the broadcasting qualification of the HD video of TV programme described in present period.
As the price letter that one embodiment of the present of invention, general-purpose interface device pass through the HD video of parsing TV programme
Whether breath, the HD video for thus judging TV programme charges, so as to play TV programme to whether audio-video terminal has
The qualification of HD video makes a decision.
Used as one embodiment of the present of invention, general-purpose interface device is if it is determined that the HD video charge of TV programme, then enter
One step judges whether the HD video of present period TV programme charges.If the HD video charge of present period TV programme,
Then the price of the HD video of present period TV programme is showed user by general-purpose interface device, if receive user to confirm to see
The request of the HD video of present period TV programme is seen, then general-purpose interface device inquires about the remaining sum that prestores of the user.If the use
The remaining sum that prestores at family is enough, then complete to deduct fees.If the user's prestores that Sorry, your ticket has not enough value, point out user balance not enough, then should
Audio-video terminal does not have the broadcasting qualification of the HD video of present period TV programme, so as to judge that the audio-video terminal does not have
There is the broadcasting qualification of the HD video of TV programme.DTV merogenesis mesh receipts at times are capable of achieving by the embodiment of the present invention
Take, so as to meet the individual demand of user.
In step S204, when the audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme,
The Program Map Table is revised as to be characterized with second identifier.
In step S205, to the audio-video terminal TV signal and the amended program map are sent
Table, so that second identifier of the audio-video terminal in the Program Map Table, carries from the TV signal
Take the HD video of the TV programme and play.
If audio-video terminal has the broadcasting qualification of the HD video of TV programme, by the video mark in Program Map Table
Know symbol and be revised as the second identifier PID_2, the SD video of TV programme is switched to into the HD video of TV programme.
It should be noted that also transmit the supporting information of TV programme in TV signal simultaneously, TV programme it is supporting
Information include it is following at least one：Audio frequency, captions or electronic program guides.In embodiments of the present invention, TV programme are matched somebody with somebody
Set information is shared for the SD video and HD video of the TV programme.Pass respectively in two channels relative to traditional
The supporting information of defeated two sets of identical TV programme, the embodiment of the present invention transmits less the supporting information of a set of TV programme, because
This, the transmission workload of the supporting information of TV programme reduces half, greatly reduces the transmission of data.Here, electronics
Program guide（EPG, Electronic Program Guide）Typically graphical interfaces, including programm name, channel and broadcast
Go out time etc..Preferably, can be by the more detailed content of electronic program guide viewing each program, such as recommended information of program
Deng.
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Fig. 3 is the flowchart of the control method for playing back of the video that another embodiment of the present invention is provided.With reference to Fig. 3, should
Method includes：
In step S301, increase by second in the Program Map Table of the TV programme characterized by the first identifier and identify
Symbol, first identifier is used to identify the SD video of the TV programme, and second identifier is used to identify the electricity
Depending on the HD video of program.
In embodiments of the present invention, Program Map Table of the server in TV programme（PMT, Program Map Table）
The second identifier of middle increase, for identifying the HD video of same TV programme.Here, program of the server in TV programme
The video identifier of SD video is set to into the first identifier PID_1 in mapping table, the video identifier of HD video is set to
Second identifier PID_2.It should be noted that video identifier is unique identifier of the vision signal in signal bit stream, because
This, by video identifier vision signal can be uniquely determined.
In step s 302, the Program Map Table and TV signal, the TV signal are sent to general-purpose interface device
The SD video and HD video of the same TV programme of middle simultaneous transmission, possessing the TV programme when audio-video terminal
During the broadcasting qualification of HD video, the general-purpose interface device is revised as the Program Map Table with the second identifier table
Levy so that second identifier of the audio-video terminal in the Program Map Table, carry from the TV signal
Take the HD video of the TV programme and play.
In embodiments of the present invention, server passes the SD video of same program and HD video in same channel
Defeated, relative to traditional SD video and HD video that same program is transmitted in two channels, the embodiment of the present invention is saved
Channel resource.
Used as one embodiment of the present of invention, the program of the TV programme that the server that general-purpose interface device is received sends reflects
In firing table, the Program Map Table of TV programme is characterized with the first identifier, that is to say, that in the Program Map Table of TV programme
Video identifier is defaulted as the first identifier PID_1, that is to say, that when audio-video terminal is switched to the corresponding channel of TV programme
When, the SD video of TV programme is played automatically.Therefore, for the audio-video terminal without HD video playing function
Speech, can not be disturbed by the HD video of TV programme, and the SD video of TV programme is watched in the very first time.Namely
Say, the HD video of TV programme is transparent for not having the audio-video terminal of HD video playing function, is not had
There is the HD video of the audio-video terminal automatic fitration TV programme of HD video playing function, it is to avoid audio-video terminal cannot be just
Often work or break down.
It is general for the audio-video terminal with HD video playing function as one embodiment of the present of invention
Interface arrangement asks the user whether to need to watch the HD video of TV programme, if receiving user confirms viewing TV programme
The request of HD video, then judge whether audio-video terminal has the height of the TV programme of present period by general-purpose interface device
The broadcasting qualification of clear video.
As the price letter that one embodiment of the present of invention, general-purpose interface device pass through the HD video of parsing TV programme
Whether breath, the HD video for thus judging TV programme charges, so as to play TV programme to whether audio-video terminal has
The qualification of HD video makes a decision.
Used as one embodiment of the present of invention, general-purpose interface device is if it is determined that the HD video charge of TV programme, then enter
One step judges whether the HD video of present period TV programme charges.If the HD video charge of present period TV programme,
Then the price of the HD video of present period TV programme is showed user by general-purpose interface device, if receive user to confirm to see
The request of the HD video of present period TV programme is seen, then general-purpose interface device inquires about the remaining sum that prestores of the user.If the use
The remaining sum that prestores at family is enough, then complete to deduct fees.If the user's prestores that Sorry, your ticket has not enough value, point out user balance not enough, then should
Audio-video terminal does not have the broadcasting qualification of the HD video of present period TV programme, so as to judge that the audio-video terminal does not have
There is the broadcasting qualification of the HD video of TV programme.DTV merogenesis mesh receipts at times are capable of achieving by the embodiment of the present invention
Take, so as to meet the individual demand of user.
If audio-video terminal has the broadcasting qualification of the HD video of TV programme, by the video mark in Program Map Table
Know symbol and be revised as the second identifier PID_2, the SD video of TV programme is switched to into the HD video of TV programme.
Further, TV signal is also including the supporting information of institute's TV programme, the supporting information of TV programme include with
Descend at least one：Audio frequency, captions or electronic program guides.In embodiments of the present invention, the supporting information of TV programme for
The SD video of the TV programme and HD video are shared.Relative to it is traditional two channels transmit respectively two sets it is identical
TV programme supporting information, the embodiment of the present invention transmits less the supporting information of a set of TV programme, therefore, TV programme
The transmission workload of supporting information reduce half, greatly reduce the transmission of data.Here, electronic program guides
（EPG, Electronic Program Guide）Typically graphical interfaces, including programm name, channel and broadcast time etc..
Preferably, can be by the more detailed content of electronic program guide viewing each program, such as recommended information of program etc..
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Fig. 4 shows the structured flowchart of the broadcast control device of video provided in an embodiment of the present invention, the broadcasting of the video
Control device is the general-purpose interface device 13 in Fig. 1, and the broadcast control device of the video is used to run the video described in Fig. 2
Control method for playing back.For convenience of description, illustrate only part related to the present embodiment.
With reference to Fig. 4, the broadcast control device of the video includes：
SD video and HD video receiver module 41, the TV signal that the reception server sends, in the TV signal
The SD video and HD video of the same TV programme of simultaneous transmission.
Program Map Table receiver module 42, receives the Program Map Table of the TV programme that the server sends, institute
State Program Map Table and include the first identifier for identifying the SD video of the TV programme and for identifying the electricity
Characterized with first identifier depending on the second identifier of the HD video of program, and the Program Map Table.
HD video plays qualification judge module 43, judges that the high definition whether audio-video terminal possesses the TV programme is regarded
The broadcasting qualification of frequency.
Program Map Table modified module 44, when the audio-video terminal possesses the broadcasting of the HD video of the TV programme
During qualification, the Program Map Table is revised as to be characterized with second identifier.
Sending module 45, to the audio-video terminal TV signal and the amended Program Map Table are sent,
So that second identifier of the audio-video terminal in the Program Map Table, extracts institute from the TV signal
State the HD video of TV programme and play.
Further, the HD video play qualification judge module 43 specifically for：
Judge whether the audio-video terminal has HD video playing function；
If the audio-video terminal does not have HD video playing function, the audio-video terminal does not possess the TV
The broadcasting qualification of the HD video of program；
If the audio-video terminal has HD video playing function, the audio-video terminal possesses the TV programme
HD video broadcasting qualification.
Further, the HD video play qualification judge module 43 specifically for：
Judge whether the audio-video terminal pays to the HD video of TV programme described in present period；
If the audio-video terminal is paid to the HD video of TV programme described in present period, the audio frequency and video end
End possesses the broadcasting qualification of the HD video of the TV programme；
If the audio-video terminal is not paid to the HD video of TV programme described in present period, the audio frequency and video end
End does not possess the broadcasting qualification of the HD video of the TV programme.
Further, the HD video play qualification judge module 43 specifically for：
If the audio-video terminal is not paid to the HD video of TV programme described in present period, parsing present period institute
State the price of the HD video of TV programme and show user, receive TV programme described in user's viewing present period
HD video request after, if successfully deducting fees from the remaining sum that prestores of the user, the audio-video terminal possesses currently
The broadcasting qualification of the HD video of TV programme described in the period.
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Fig. 5 shows the structured flowchart of the broadcast control device of video provided in an embodiment of the present invention, the broadcasting of the video
Control device is the server 11 in Fig. 1, and the broadcast control device of the video is used to run the broadcasting of the video described in Fig. 3
Control method.For convenience of description, illustrate only part related to the present embodiment.
With reference to Fig. 5, the broadcast control device of the video includes：
Second identifier increases module 51, and the is increased in the Program Map Table of the TV programme characterized by the first identifier
Two identifiers, first identifier is used to identify the SD video of the TV programme, and second identifier is used to identify
The HD video of the TV programme.
Program Map Table and TV signal sending module 52, to general-purpose interface device the Program Map Table and TV are sent
Signal, the SD video and HD video of the same TV programme of simultaneous transmission in the TV signal, working as audio-video terminal
During the broadcasting qualification of the HD video for possessing the TV programme, the general-purpose interface device is revised as the Program Map Table
Characterized with second identifier so that second identifier of the audio-video terminal in the Program Map Table,
The HD video of the TV programme is extracted from the TV signal and is played.
SD video and HD video that the embodiment of the present invention passes through the same TV programme of simultaneous transmission in TV signal,
And distinguish the SD video of same TV programme with different identifiers in the Program Map Table of TV programme and regard with high definition
Frequently, when the TV programme are played, by judging whether audio-video terminal possesses the broadcasting money of the HD video of the TV programme
Lattice judging to play SD video or HD video, so as to substantially increase the channel money that SD video and HD video are played
Source utilization rate, and the flexibility of the broadcasting control of SD video and HD video.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of control method for playing back of video, it is characterised in that include：
The TV signal that the reception server sends, in the TV signal simultaneous transmission SD video of same TV programme and
HD video；
The Program Map Table of the TV programme that the server sends is received, the Program Map Table is included for identifying
First identifier of the SD video of the TV programme and the second mark for identifying the HD video of the TV programme
Symbol, and the Program Map Table characterizes with first identifier, video identifier that will be in TV programme mapping table is given tacit consent to
For the first identifier, when audio-video terminal is switched to the corresponding channel of TV programme, the SD that TV programme are played automatically is regarded
Frequently；
Judge whether audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme；
When the audio-video terminal possesses the broadcasting qualification of the HD video of the TV programme, the Program Map Table is repaiied
It is changed to be characterized with second identifier；
The TV signal and the amended Program Map Table are sent to the audio-video terminal, so that the audio frequency and video end
Second identifier of the end in the Program Map Table, extracts the high definition of the TV programme from the TV signal
Video is simultaneously played.
2. the method for claim 1, it is characterised in that described to judge whether audio-video terminal possesses the TV programme
The broadcasting qualification of HD video include：
Judge whether the audio-video terminal has HD video playing function；
If the audio-video terminal does not have HD video playing function, the audio-video terminal does not possess the TV programme
HD video broadcasting qualification；
If the audio-video terminal has HD video playing function, the audio-video terminal possesses the height of the TV programme
The broadcasting qualification of clear video.
3. the method for claim 1, it is characterised in that described to judge whether audio-video terminal possesses the TV programme
The broadcasting qualification of HD video include：
Judge whether the audio-video terminal pays to the HD video of TV programme described in present period；
If the audio-video terminal is paid to the HD video of TV programme described in present period, the audio-video terminal tool
The broadcasting qualification of the HD video of the standby TV programme；
If the audio-video terminal is not paid to the HD video of TV programme described in present period, the audio-video terminal is not
Possesses the broadcasting qualification of the HD video of the TV programme.
4. method as claimed in claim 3, it is characterised in that if the audio-video terminal is not to TV Festival described in present period
Purpose HD video is paid, and methods described also includes：
The price of the HD video of TV programme described in parsing present period simultaneously shows user, receives user's viewing and works as
It is described if successfully deducting fees from the remaining sum that prestores of the user after the request of the HD video of TV programme described in the front period
Audio-video terminal possesses the broadcasting qualification of the HD video of TV programme described in present period.
5. a kind of control method for playing back of video, it is characterised in that include：
Increase by the second identifier in the Program Map Table of the TV programme characterized by the first identifier, first identifier is used
In the SD video for identifying the TV programme, second identifier is used to identify the HD video of the TV programme, institute
The Program Map Table for stating the TV programme characterized by the first identifier is specially：By the video in the Program Map Table of TV programme
Identifier is defaulted as the first identifier, when audio-video terminal is switched to the corresponding channel of TV programme, TV Festival is played automatically
Purpose SD video；
To general-purpose interface device the Program Map Table and TV signal are sent, the same electricity of simultaneous transmission in the TV signal
Depending on the SD video and HD video of program, with the broadcasting qualification of the HD video for possessing the TV programme when audio-video terminal
When, the general-purpose interface device is revised as the Program Map Table to be characterized with second identifier so that the audio frequency and video
Second identifier of the terminal in the Program Map Table, extracts the height of the TV programme from the TV signal
Clear video is simultaneously played.
6. a kind of broadcast control device of video, it is characterised in that include：
SD video and HD video receiver module, it is same in the TV signal for the TV signal that the reception server sends
When transmit the SD video and HD video of same TV programme；
Program Map Table receiver module, it is described for receiving the Program Map Table of the TV programme that the server sends
Program Map Table includes the first identifier for identifying the SD video of the TV programme and for identifying the TV
Second identifier of the HD video of program, and the Program Map Table characterizes with first identifier, will TV programme
Video identifier in mapping table is defaulted as the first identifier, when audio-video terminal is switched to the corresponding channel of TV programme,
Automatically the SD video of TV programme is played；
HD video plays qualification judge module, for judging whether audio-video terminal possesses the HD video of the TV programme
Broadcasting qualification；
Program Map Table modified module, for the broadcasting money of the HD video for possessing the TV programme when the audio-video terminal
During lattice, the Program Map Table is revised as to be characterized with second identifier；
Sending module, for sending the TV signal and the amended Program Map Table to the audio-video terminal, with
Second identifier of the audio-video terminal in the Program Map Table is made, extracts described from the TV signal
The HD video of TV programme is simultaneously played.
7. device as claimed in claim 6, it is characterised in that the HD video play qualification judge module specifically for：
Judge whether the audio-video terminal has HD video playing function；
If the audio-video terminal does not have HD video playing function, the audio-video terminal does not possess the TV programme
HD video broadcasting qualification；
If the audio-video terminal has HD video playing function, the audio-video terminal possesses the height of the TV programme
The broadcasting qualification of clear video.
8. device as claimed in claim 6, it is characterised in that the HD video play qualification judge module specifically for：
Judge whether the audio-video terminal pays to the HD video of TV programme described in present period；
If the audio-video terminal is paid to the HD video of TV programme described in present period, the audio-video terminal tool
The broadcasting qualification of the HD video of the standby TV programme；
If the audio-video terminal is not paid to the HD video of TV programme described in present period, the audio-video terminal is not
Possesses the broadcasting qualification of the HD video of the TV programme.
9. device as claimed in claim 7, it is characterised in that the HD video play qualification judge module specifically for：
If the audio-video terminal is not paid to the HD video of TV programme described in present period, electricity described in parsing present period
Depending on the HD video of program price and show user, receive the height of TV programme described in user viewing present period
After the request of clear video, if successfully deducting fees from the remaining sum that prestores of the user, the audio-video terminal possesses present period
The broadcasting qualification of the HD video of the TV programme.
10. a kind of broadcast control device of video, it is characterised in that include：
Second identifier increases module, for increasing by second in the Program Map Table of the TV programme characterized by the first identifier
Identifier, first identifier is used to identify the SD video of the TV programme, and second identifier is used to identify institute
The HD video of TV programme is stated, the Program Map Table of the TV programme characterized by the first identifier is specially：By TV
Video identifier in the Program Map Table of program is defaulted as the first identifier, when audio-video terminal is switched to TV programme correspondence
Channel when, the SD video of TV programme is played automatically；
Program Map Table and TV signal sending module, for sending the Program Map Table and TV letter to general-purpose interface device
Number, the SD video and HD video of the same TV programme of simultaneous transmission in the TV signal, having when audio-video terminal
During the broadcasting qualification of the HD video of the standby TV programme, the general-purpose interface device is revised as the Program Map Table to use
Second identifier is characterized so that second identifier of the audio-video terminal in the Program Map Table, from
The HD video of the TV programme is extracted in the TV signal and is played.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705492.XA CN103686336B (en) | 2013-12-19 | 2013-12-19 | Video playing control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705492.XA CN103686336B (en) | 2013-12-19 | 2013-12-19 | Video playing control method and device |
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| Publication Number | Publication Date |
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| CN103686336A CN103686336A (en) | 2014-03-26 |
| CN103686336B true CN103686336B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310705492.XA Expired - Fee Related CN103686336B (en) | 2013-12-19 | 2013-12-19 | Video playing control method and device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3466088B1 (en) * | 2016-05-27 | 2022-10-12 | InterDigital Madison Patent Holdings, SAS | Method and apparatus for personal multimedia content distribution |
| CN108124164B (en) * | 2016-11-28 | 2021-10-26 | 广州方硅信息技术有限公司 | Video playing method and system, anchor terminal equipment and client terminal equipment |
| CN109218828B (en) * | 2018-09-05 | 2021-04-13 | 青岛海信传媒网络技术有限公司 | Method, terminal and storage medium for playing streaming media |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518832A (en) * | 2001-04-24 | 2004-08-04 | ��ķɭ��ɹ�˾ | System and data format for providing seamless stream switching in digital video decoder |
| CN102413293A (en) * | 2010-09-21 | 2012-04-11 | 深圳Tcl新技术有限公司 | System and method for automatically linking high-definition programs |
| CN103024441A (en) * | 2011-09-27 | 2013-04-03 | 海尔集团公司 | Method for playing television programs by mobile terminal |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518832A (en) * | 2001-04-24 | 2004-08-04 | ��ķɭ��ɹ�˾ | System and data format for providing seamless stream switching in digital video decoder |
| CN102413293A (en) * | 2010-09-21 | 2012-04-11 | 深圳Tcl新技术有限公司 | System and method for automatically linking high-definition programs |
| CN103024441A (en) * | 2011-09-27 | 2013-04-03 | 海尔集团公司 | Method for playing television programs by mobile terminal |
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